CN116674632A - Novel locking device and baby carrier with same - Google Patents

Abstract

The invention belongs to the technical field of children supplies, and relates to a novel locking device and a baby carrier with the novel locking device, wherein a first installation part and a second installation part are respectively arranged on two sides of the locking device, the first installation part is used for being connected with a child carrier, and the second installation part is used for being connected with a frame; the first locking component is used for locking and fixing the child carrier; the first unlocking driving assembly is connected with the first locking assembly and is used for enabling the first locking assembly to be switched from a locking state to an unlocking state relative to the child carrier; the linkage reset component is connected with the first locking component, so that the first locking component can be reset from an unlocking state to a locking state; when the first locking component is in an unlocking state, the linkage reset component is used for enabling the first locking component to be kept in the unlocking state and limiting the first locking component to be converted into a locking state; the first locking component is kept in an unlocking state through the linkage resetting component, so that a user can directly detach the child carrier from the frame, and other child carriers can be replaced conveniently.

Description

A new locking device and baby carriage with the new locking device

technical field

The invention relates to the technical field of children's products, in particular to a novel locking device and a stroller with the novel locking device.

Background technique

The baby stroller is the baby's "transportation tool" and needs someone to help push or pull it. In the market, children's strollers can be roughly divided into luxury types suitable for general home use and long-term use outside the home, lightweight types suitable for frequent outings, and a tricycle that is convenient for guardians to exercise outdoors.

Children's strollers are generally equipped with child vehicles such as child seats and baskets for children to use. Existing child strollers are generally equipped with detachable locking mechanisms for installing child vehicles such as child seats. When the user disassembles the child vehicle Usually, it is necessary to check out the fixed point of the child carrier on the stroller, remove the lock buckle on the fixed point, and then operate some corresponding buttons to remove the child carrier from the stroller. The process is complicated and the operation is troublesome, which is not conducive to fast Replace different children's vehicles for use.

The present invention researches and proposes aiming at the deficiencies in the prior art.

Contents of the invention

The present invention aims at the above-mentioned problem that the detachable locking mechanism in the existing children's stroller is complicated to disassemble, the operation is troublesome, and it is not conducive to quickly changing the use of different children's vehicles, and proposes a new type of locking device and a new type of locking device stroller.

The technical scheme that the present invention solves its technical problem adopts is:

A new type of locking device, comprising: a first mounting part and a second mounting part, which are respectively arranged on both sides of the locking device, the first mounting part is used for connecting with a child carrier, and the second mounting part is used for connected to the vehicle frame; the first locking component is used to lock and fix the child carrier; the first unlocking drive component is connected to the first locking component, and the first unlocking drive component is used to make the first lock The locking component switches from the locked state to the unlocked state relative to the child carrier; the linkage reset component is connected to the first locking component, and the linkage reset component can reset the first locking component from the unlocked state to the locked state State: when the first locking component is in the unlocked state, the linkage reset component is used to keep the first locking component in the unlocked state and restrict the first locking component from switching to the locked state.

A new type of locking device as described above, the locking device includes a first housing, the first locking assembly includes a moving member that can be lifted and lowered in the first housing, and is arranged in the moving member and faces The first slot on the outside of the first housing, the first housing is provided with a second slot communicating with the first slot, and the moving member is driven by the first unlocking drive assembly in the first slot. The casing moves down, and drives the first slot to move down relative to the second slot, so that the first slot and the second slot are staggered, so that the first locking component is switched to an unlocked state.

In the novel locking device as described above, the first housing is provided with a first elastic member connected to the moving member, and the first elastic member is used to make the moving member move up and reset in the first housing, And drive the first slot to move up relative to the second slot to be aligned with the second slot, so that the first locking component is converted to a locked state.

In the novel locking device as described above, the first unlocking drive assembly includes a first unlocking button installed in the first casing in a liftable manner, the first unlocking button is connected with the moving member, and the first unlocking button The key is used to drive the moving member to move up and down in the first housing.

According to a new type of locking device as described above, the linkage reset assembly includes a locking bar connected to the moving member, a second elastic member arranged between the locking bar and the moving member, and the first housing is provided with a The first stopper corresponding to the lock bar, the moving member moves down in the first housing through the first unlocking drive assembly, so as to drive the lock bar to move down relative to the first stopper, and the lock The rod is ejected by the second elastic member to abut against the bottom of the first limiting portion, and the first locking component is kept in the unlocked state by the first limiting portion.

According to the novel locking device as described above, the first limiting part includes a baffle plate arranged in the first housing and close to the top of the first housing, a limiting part for accommodating the locking rod slot, the limiting groove is set inside the first housing, and the lower part of the baffle is also provided with an ejection port communicating with the limiting groove, when the locking bar moves down relative to the baffle through the moving At this time, the lock bar is ejected through the ejection opening through the second elastic member, and abuts against the bottom of the baffle.

In the novel locking device as described above, a protrusion is provided on the outer side of the lock bar, and a first guide part is provided at the bottom of the protrusion. When the lock bar is ejected through the second elastic member, the protrusion The block follows the locking bar and pops out to the outside of the baffle, and the first guide part can shrink the locking bar into the limiting groove under external force.

The present invention also provides a baby carriage with a novel locking device, including a vehicle frame and a child carrier, the vehicle frame includes the locking device as described above, and the child carrier is connected to the vehicle frame through the locking device, The children's vehicle includes a third mounting portion correspondingly connected to the first mounting portion, and the vehicle frame further includes a fourth mounting portion correspondingly connected to the second mounting portion.

According to the baby carriage with a novel locking device as described above, the locking device further includes a second unlocking drive assembly for unlocking the second mounting part to unlock the fourth mounting part, and the second unlocking drive assembly is connected to the second mounting part connect.

As mentioned above, a baby carriage with a new locking device, the locking device also includes positioning grooves located on the upper side of the first mounting part, and there are several positioning grooves distributed at intervals along the height direction of the locking device. The children's carrier also includes a sliding block that can be retracted inside and outside the third installation part, and the positioning groove is matched with the sliding block.

Compared with prior art, the beneficial effect of the present invention is:

1. Keep the first locking component in the unlocked state through the linkage reset component, so that the user can directly disassemble the child vehicle from the frame, so as to facilitate the replacement of other child vehicles;

2. The first locking component is driven by the first unlocking drive component to unlock with one key, and the first mounting part is detachable, so that the child carrier can be easily disassembled. During the disassembly process of the child carrier, the linkage resets External force on the component can make the first locking component switch from the unlocked state to the locked state, so as to facilitate the quick installation and fixation of the children's carrier, the operation is simple, time-saving and labor-saving, and it is convenient for users to replace different children's carriers according to their needs.

The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

Description of drawings

Fig. 1 is a three-dimensional view one of the locking device of the present invention;

Fig. 2 is a second perspective view of the locking device of the present invention;

Fig. 3 is a three-dimensional view of the locking device of the present invention;

Fig. 4 is an exploded view one of the locking device of the present invention;

Fig. 5 is the second explosion diagram of the locking device of the present invention;

Figure 6 is a top view of the locking device of the present invention;

Fig. 7 is A-A sectional view one among Fig. 5;

Fig. 8 is A-A sectional view two among Fig. 5;

Fig. 9 is a perspective view of the vehicle frame of the present invention;

Figure 10 is an enlarged view of part B in Figure 9;

Fig. 11 is a perspective view of the children's carrier of the present invention.

Detailed ways

Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

As shown in Figures 1-11, a new type of locking device provided by the present invention includes: a first mounting part 14 and a second mounting part 15, which are respectively arranged on both sides of the locking device 1, and the first mounting part The part 14 is used for connecting with the child carrier 3, and the second mounting part 15 is used for connecting with the vehicle frame 2; the first locking component 11 is used for locking and fixing the child carrier 3; the first unlocking drive component 12, Connected with the first locking component 11, the first unlocking drive component 12 is used to make the first locking component 11 switch from the locked state to the unlocked state relative to the child carrier 3; the linkage reset component 13 is connected with the The first locking component 11 is connected, and the linkage reset component 13 can reset the first locking component 11 from the unlocked state to the locked state; when the first locking component 11 is in the unlocked state, the linkage The reset component 13 is used to keep the first locking component 11 in an unlocked state and restrict the first locking component 11 from being converted to a locked state.

As shown in Figures 1-8, the first locking assembly 11 in Figures 2 and 7 is in a locked state, and the first locking assembly 11 in Figures 3 and 8 is in an unlocked state. In this embodiment, the The above-mentioned locking device 1 is installed in the stroller, and child carriers 3 such as child seats and child baskets can be installed on the stroller through the locking device 1. In this embodiment, the child seat is used as an example. Through the first installation The part 14 is detachably connected with the child seat, and the child seat is locked and fixed by the first locking component 11, so that the child seat is more stable when installed or disassembled. In practical applications, the first locking component 11. The child seat has a locked state and an unlocked state. When the first locking assembly 11 is in the locked state, the child seat can be firmly installed in the stroller for use by children, so as to improve the safety and security of children. Comfortable, and it is convenient for the guardian to carry the child out; when the user manually drives the first unlocking drive assembly 12, the first locking assembly 11 can be converted from the locked state to the unlocked state, and the user can lift the child The carrier 3 moves up relative to the vehicle frame 2 to disassemble the child carrier 3, and the first locking component 11 maintains the unlocked state through the linkage reset component 13, so as to facilitate the user to remove the child seat from the The vehicle frame 2 is directly disassembled to facilitate the replacement of other children’s vehicles 3 such as children’s baskets, and the first locking assembly 11 is driven by the first unlocking drive assembly 12 to be unlocked with one key, and the first installation The part 14 is detachable, so that the children's carrier 3 can be easily disassembled. During the disassembly process of the children's carrier 3, the linkage reset component 13 is subjected to an external force to make the first locking component 11 switch from the unlocked state. To the locked state, so as to facilitate the quick installation and fixing of the children's carrier 3, the operation is simple, time-saving and labor-saving, and it is convenient for the user to replace different children's carriers 3 according to the needs. Preferably, the locking device 1 is suitable for a variety of The installation of the children's vehicle 3 has strong versatility and does not need to be equipped with an additional adaptation installation mechanism, which is convenient for daily use.

Specifically, the locking device 1 includes a first housing 16, and the first locking assembly 11 includes a moving member 111 that can be lifted and lowered in the first housing 16, and is arranged in the moving member 111 and faces toward The first slot 112 on the outside of the first housing 16, the first housing 16 is provided with a second slot 161 communicating with the first slot 112, and the first unlocking drive assembly 12 drives the The moving member 111 moves down in the first housing 16, and drives the first slot 112 to move down relative to the second slot 161, so that the first slot 112 and the second slot 161 are staggered, so that The first locking component 11 is switched to an unlocked state. Further, the first housing 16 is provided with a first elastic member 113 connected to the moving member 111 , and the first elastic member 113 is used to move the moving member 111 back inside the first housing 16 , and drive the first slot 112 to move up relative to the second slot 161 to be aligned with the second slot 161, so that the first locking assembly 11 is switched to a locked state.

As shown in Figures 2 and 3, in this embodiment, the first housing 16 is provided with a moving space for the moving member 111 to move up and down and communicate with the outside, and the moving member 111 is installed in the moving space and the first slot 112 and the second slot 161 face the side of the children's carrier 3 to facilitate the direct connection of the children's carrier 3; preferably, the children's carrier 3 is provided with a laterally telescopic slider , when the first locking component 11 is in the locked state, the first slot 112 and the second slot 161 are aligned and combined to form a positioning slot 101, and the positioning slot 101 is adapted to the slider, so that the slider can be fixed in the positioning groove 101, so that the first locking component 11 locks the child carrier 3, further preferably, both sides of the first slot 112 are provided with The second slot 161; when the moving member 111 moves down in the first housing 16 through the first unlocking drive assembly 12, the moving member 111 drives the first slot 112 relative to the second slot 161 Move down, so that the first slot 112 and the second slot 161 are staggered, and now the first locking assembly 11 is in the unlocked state, as shown in Figures 2 and 3, preferably, the moving member 111 is provided with There is a first guide slope 1121 located on the upper part of the first slot 112. During the downward movement of the first slot 112, the slider is pushed through the first guide slope 1121, and at the same time due to the second The slot 161 moves down relative to the first slot 112, and the wall on the upper part of the second slot 161 in the first housing 16 forms a second limit for preventing the slider from being inserted into the positioning slot 101. position, so that the slider remains retracted toward the child carrier 3 to break away from the positioning groove 101, so that the child carrier 3 can be unlocked and disassembled from the first locking assembly 11; moreover, the first housing 16 is provided with a first elastic piece 113, the first elastic piece 113 is connected to the lower part of the moving member 111, when the linkage reset assembly 13 is released from the restriction on the first locking assembly 11 by external force, the moving The member 111 can automatically move up and reset in the first housing 16 through the first elastic member 113, so as to drive the first slot 112 to move up relative to the second slot 161 to the corresponding second slot 161. so that when the user installs the child carrier 3 again, the slider can directly extend into the aligned first slot 112 and second slot 161, so that the child carrier 3 is fixed on the vehicle. In the frame 2; through the above settings, the user only needs to manually drive the first unlocking drive assembly 12 to make the first locking assembly 11 unlock the child carrier 3, so that the child carrier 3 can be disassembled from the frame 2 , the operation is simple, convenient and quick, moreover, the first locking assembly 11 has a memory characteristic, automatically resets to the lockable state through the first elastic member 113, the design is ingenious and the structure is simple, and it is easy to produce and implement. Preferably, the The first elastic member 113 adopts a return spring, which is easy to obtain and has low production cost; further preferably, several first slots 112 can be set in the moving member 111, and the first slots 112 are vertically spaced apart In the moving member 111, the first housing 16 may be provided with a second slot 161 corresponding to each of the first slots 112, and the child carrier 3 moves up and down relative to the locking device 1 under external force. , and drive the slider to move up and down relative to the first slot 112 and the second slot 161, when the first locking assembly 11 is in the locked state, the first slot 112 and the second slot The position 161 is aligned and forms a positioning slot 101 that is fixedly engaged with the slider. By setting the first slot 112 and the second slot 161 in multiple stages, the child carrier 3 can be adjusted and installed. height, thereby increasing the functionality of the vehicle frame 2 and further optimizing user experience.

Further, the first unlocking drive assembly 12 includes a first unlocking button 121 that is liftably installed in the first housing 16, the first unlocking button 121 is connected with the moving member 111, and the first unlocking button 121 It is used to drive the moving member 111 to move up and down in the first housing 16 . As shown in Figures 7 and 8, in this embodiment, the first unlocking button 121 is connected to the upper part of the moving member 111 and is close to the top of the first housing 16, and the first unlocking button 121 is exposed on The side facing the human body is convenient for the user to operate. The first unlocking button 121 is manually driven to move down in the first housing 16, and the moving member 111 is driven to move down in the first housing 16, so that The first locking assembly 11 is switched from the locked state to the unlocked state to realize one-key unlocking, which is easy to operate and saves time and effort; when resetting, the moving member 111 passes through the first elastic member 113 in the first housing The body 16 moves up and resets, driving the first unlock button 121 to move up and reset, so that the first unlock button 121 can be automatically reset, easy to operate, and further optimizes user experience; in other embodiments, the first The unlocking button 121 and the moving member 111 are integrally formed, which enhances the overall structural stability of the first unlocking button 121 and the moving member 111, and has a simple structure and is easy to produce and implement, so as to improve the efficiency of production; further preferably, the The first unlocking button 121 is provided with a first connecting portion 1211, and the first casing 16 is provided with a second connecting portion 163 corresponding to the first connecting portion 1211, which can slide through the first connecting portion 1211. Plugged on the second connecting part 163 to realize the liftable connection of the first unlocking button 121, the structure is simple and easy to manufacture and implement; in other embodiments, the first connecting part 1211 is set as a groove Or a board, the second connecting portion 163 is correspondingly set as a board or a groove, and the depth of the groove is greater than the height of the board, providing sufficient movement for the lifting process of the first unlock button 121 space.

Specifically, the interlock reset assembly 13 includes a locking bar 131 connected to the moving member 111, a second elastic member 132 arranged between the locking bar 131 and the moving member 111, and the first housing 16 is provided with a The first limit portion 162 corresponding to the lock bar 131, the moving member 111 moves down in the first housing 16 through the first unlocking drive assembly 12, so as to drive the lock bar 131 relative to the first limit The part 162 moves down, and the locking bar 131 pops up to abut against the bottom of the first limiting part 162 through the second elastic member 132, and the first locking assembly 11 is kept in the position through the first limiting part 162. Describe the unlocked status. Further, the first limiting portion 162 includes a baffle 1621 disposed in the first housing 16 and close to the top of the first housing 16 , a limiting groove 1622 for accommodating the locking rod 131 , the limiting groove 1622 is provided inside the first housing 16, and the lower part of the baffle plate 1621 is also provided with an ejection port 1623 communicating with the limiting groove 1622, when the locking bar 131 passes through the moving member When 111 moves down relative to the blocking plate 1621 , the locking bar 131 is ejected through the ejection opening 1623 through the second elastic member 132 and abuts against the bottom of the blocking plate 1621 .

As shown in Figures 4, 5, 7, and 8, in this embodiment, the lock bar 131 is installed on the upper part of the moving member 111 and is located on one side of the first unlock button 121. Preferably, the lock bar 131 is connected to the The moving member 111 is pivotally connected so that the locking bar 131 can rotate relative to the moving member 111 to a certain extent. A second elastic member 132 is provided between the locking bar 131 and the moving member 111. When the first locking When the assembly 11 is in the locked state, the first slot 112 is aligned with the second slot 161 , and at this time, the locking rod 131 is placed in the limiting slot 1622 and abuts against the inner wall of the baffle 1621 so that the second elastic member 132 stores energy, and when the first locking assembly 11 is switched to the unlocked state, the moving member 111 moves down in the first housing 16 and drives the locking rod 131 Move down relative to the baffle 1621 to the pop-up opening 1623, at this time the lock bar 131 is ejected outward by the elastic force of the second elastic member 132, and the top of the lock bar 131 abuts against the baffle 1621, so as to limit the return of the moving member 111 through the first elastic member 113, so as to keep the first locking assembly 11 in the unlocked state, so that the user can better disassemble the child carrier 3 The linkage reset assembly 13 has a simple overall structure and is easy to produce and implement. Further preferably, the second elastic member 132 adopts a torsion spring, which is easy to obtain, has low production cost, and is easy to assemble; the limiting groove 1622 is preferably set Being a part of the moving space in the first housing 16 , the structure of the first limiting portion 162 is simplified and the production cost is reduced.

Further, a protruding block 1311 is provided on the outer side of the locking bar 131, and a first guide portion 1312 is provided at the bottom of the protruding block 1311. When the locking bar 131 is ejected through the second elastic member 132, the protruding block 1311 follows the lock bar 131 and pops out to the outside of the baffle 1621 , and the first guide part 1312 can shrink the lock bar 131 into the limiting groove 1622 under external force. As shown in 2, 3, 7, and 8, in this embodiment, when the first locking assembly 11 is in the unlocked state, the user can lift the child carrier 3 and move it up relative to the frame 2 to carry the child. The tool 3 is directly disassembled. At this time, the lock bar 131 abuts against the bottom of the baffle 1621, and the protrusion 1311 is located on the outside of the baffle 1621. During the upward movement of the child carrier 3, the child The carrier 3 is in contact with the protruding block 1311, and the protruding block 1311 is pushed by the child carrier 3 and guides the locking bar 131 to reversely rotate through the first guide part 1312 and retract to the limit. In the groove 1622, at this time, the moving member 111 can drive the locking bar 131 to move up and reset through the first elastic member 113, so that the first locking assembly 11 is converted from the unlocked state to the locked state, which is convenient for children to carry. The quick installation of the tool 3 is easy to operate without additional reset operations, saving time and effort in daily use, thereby optimizing the user experience; further preferably, the side of the child carrier 3 opposite to the bump 1311 can be set The second guide part corresponding to the first guide part 1312, so as to ensure that the first guide part 1312 runs smoothly, and the first guide part 1312 and the second guide part are preferably set as matching guide slopes, The structure is simple, and it is easy to produce and implement.

As shown in Figures 9-11, the present invention also provides a baby carriage with a new locking device, including a frame 2 and a child carrier 3, wherein the frame 2 includes the locking device 1 as described above, The child carrier 3 is connected to the frame 2 through the locking device 1, the child carrier 3 includes a third mounting portion 31 correspondingly connected to the first mounting portion 14, and the frame 2 also includes The fourth installation part 21 correspondingly connected with the second installation part 15 . Further, the locking device 1 further includes a second unlocking drive assembly 17 for unlocking the second installation part 15 to unlock the fourth installation part 21 , and the second unlocking drive assembly 17 is connected to the second installation part 15 .

As shown in Figures 1, 2, 3, 10, and 11, in this embodiment, through the corresponding insertion of the third mounting part 31 and the first mounting part 14, the child carrier 3 and the locking device 1 can Detachable connection; through the corresponding insertion of the second mounting part 15 and the fourth mounting part 21, the locking device 1 is detachably mounted on the vehicle frame 2; specifically, the first mounting part 14 Located on the same side as the first slot 112 and the second slot 161, the first installation part 14 includes raised strips 141 respectively arranged on the left and right sides of the side of the first casing 16, and the two raised strips The strips 141 are spaced apart from the first housing 16 and form the first receiving space 142. The third installation part 31 includes first connecting sections 311 respectively arranged on the left and right sides of the side of the children's vehicle 3. A connecting section 311 is arranged opposite to each other, and the ends of the two first connecting sections 311 are provided with a second connecting section 312, and the two second connecting sections 312 extend towards each other for a certain distance and are arranged at intervals. 312 are separated from the children's carrier 3 and form a second accommodation space 313, and the upper and lower ends of the third installation part 31 are open ends, and the first accommodation space 142 is used to respectively accommodate two of the second The connecting section 312, the second accommodating space 313 is used to accommodate the protruding strip 141, further preferably, the bottom of the first mounting part 14 is also provided with a supporting part 164, and when assembled, the second connecting section 312 is movably inserted into the first accommodation space 142, and the protruding strip 141 is movably inserted into the second accommodating space 313. The first blocking structure that restricts the relative lateral movement of the first mounting part 14 and the third mounting part 31 is plugged into the first mounting part 14 through the third mounting part 31 to slide up and down, so that the child carrier The tool 3 is slidably plugged into the locking device 1 up and down, the supporting part 164 is used to limit the downward movement distance of the child carrier 3 relative to the locking device 1, and the first mounting part 14 and the third mounting part The installation method of 31 is simple, easy to disassemble and assemble, and the structure is stable when in use.

Further, the second installation part 15 and the first installation part 14 are located on different sides, specifically, the second installation part 15 is arranged on the lower side of the first unlock button 121, and the second installation part 15 includes a first slide rail portion 151 and a second slide rail portion 152 oppositely arranged, the fourth installation portion 21 is arranged in the vehicle frame 2 and corresponds to the second installation portion 15, the fourth installation portion 21 The mounting part 21 includes a second housing 211 connected to the vehicle frame 2, a locking block 214 connected in the second housing 211 in a laterally telescopic manner, a third slide rail part 212 arranged on the lower side of the locking block 214 and The fourth slide rail part 213, the structure of the third slide rail part 212 is similar to the structure of the first mounting part 14, the structure of the first slide rail part 151 and the second slide rail part 152 is similar to the structure of the first slide rail part 152 The structures of the three installation parts 31 are similar. When assembling, the first slide rail part 151 and the third slide rail part 212, the second slide rail part 152 and the fourth slide rail part 213 are respectively plugged in, and the first A second blocking structure is formed between the first sliding rail part 151 and the third sliding rail part 212, the second sliding rail part 152 and the fourth sliding rail part 213, and the second blocking structure is used to limit the second mounting part 15 Relative to the fourth installation part 21, it moves laterally to enhance the connection stability of the locking device 1. The installation method between the second installation part 15 and the fourth installation part 21 is simple and easy to disassemble.

Furthermore, the locking device 1 further includes a second unlocking drive assembly 17 for unlocking the second installation part 15 to the fourth installation part 21 , and the second unlocking drive assembly 17 is connected to the second installation part 15 . As shown in Figures 1, 4, 5, 7, and 8, in this embodiment, in order to enhance the connection stability between the second installation part 15 and the fourth installation part 21, the second unlocking drive assembly is provided 17. Specifically, the second unlocking drive assembly 17 is arranged in the first casing 16 and connected to the upper side of the second installation part 15, and the second unlocking drive assembly 17 includes a sliding connection on the first The second unlocking button 171 in the housing 16, the third elastic member 172 arranged in the first housing 16 and connected to the second unlocking button 171, the second unlocking button 171 extends out of the first housing 16 In order to facilitate the user's operation, a lock groove 173 matching the lock block 214 is formed between the lower part of the second unlock button 171 and the first housing 16, and the top of the lock block 214 is provided with a second guide Slope 2141, during assembly, the second mounting part 15 and the fourth mounting part 21 are movably plugged together so that the locking device 1 is detachably mounted on the frame 2, and at this time the locking block 214 is inserted into the In the lock groove 173, when the user manually presses the second unlocking button 171 to move down, the second guide slope 2141 guides the lock block 214 to retract toward the frame 2, so that the lock block 214 disengages from the lock groove 173, so that the second mounting part 15 moves up relative to the fourth mounting part 21 to remove the locking device 1 from the frame 2, and the second unlocking drive assembly 17 is integrated The structure is simple, easy to produce and implement, and easy to operate, so that the locking device 1 is easy to disassemble; the third elastic member 172 is used to make the second unlock button 171 move up and reset, so that the second unlock button 171 It can be reset automatically, saving time and labor. Preferably, the third elastic member 172 is a spring, which is easy to obtain and has low production cost.

Preferably, the locking device 1 further includes positioning grooves 101 located on the upper side of the first mounting part 14, and several positioning grooves 101 are arranged at intervals along the height direction of the locking device 1. The child carrier 3 also includes It includes a sliding block that can be stretched inside and outside the third mounting portion 31 , and the positioning groove 101 is adapted to the sliding block. As shown in Figure 2 and Figure 3, in this embodiment, the positioning groove 101 is formed by the combination of the first groove 112 and the second groove 161, and the positioning groove 101 is suitable for the slider Specifically, several first slots 112 can be set in the moving member 111, and the first slots 112 are vertically spaced in the moving member 111, and the first housing 16 A second slot 161 corresponding to each of the first slots 112 can be provided, and the child carrier 3 moves up and down relative to the locking device 1 under external force, and drives the slider relative to the first slot 112 and The second slot 161 moves up and down, and when the first locking assembly 11 is in the locked state, the first slot 112 is aligned with the second slot 161 and forms a corresponding engagement with the slider. The positioning slot 101 is provided with multiple levels of the first slot 112 and the second slot 161, so that the child carrier 3 can adjust the installation height in the stroller, thereby increasing the functionality of the frame 2, Further optimize the user experience; and when the child carrier 3 is moved up and down relative to each of the positioning slots 101 by external force, the third mounting part 31 is slidably inserted into the first mounting part 14, which strengthens the child's The stability of the installation height of the carrier 3 is adjusted, and it is not easy to fall, so as to protect the safety of children.

The above only uses examples to further illustrate the technical content of the present invention, so that readers can understand more easily, but it does not mean that the implementation of the present invention is limited to this, and any technical extension or re-creation done according to the present invention is subject to the present invention. protection of. The protection scope of the present invention shall be determined by the claims.

Claims (10)

1. A novel locking device, comprising:

a first mounting part (14) and a second mounting part (15) which are respectively arranged at two sides of the locking device (1), wherein the first mounting part (14) is used for being connected with the child carrier (3), and the second mounting part (15) is used for being connected with the frame (2);

a first locking assembly (11) for locking and fixing the child carrier (3);

the first unlocking driving assembly (12) is connected with the first locking assembly (11), and the first unlocking driving assembly (12) is used for enabling the first locking assembly (11) to be switched from a locking state to an unlocking state relative to the child carrier (3);

the linkage reset assembly (13) is connected with the first locking assembly (11), and the linkage reset assembly (13) can reset the first locking assembly (11) from an unlocking state to a locking state;

when the first locking component (11) is in an unlocking state, the linkage reset component (13) is used for enabling the first locking component (11) to be kept in the unlocking state and limiting the first locking component (11) to be switched to the locking state.

2. A novel locking device according to claim 1, wherein the locking device (1) comprises a first shell (16), the first locking assembly (11) comprises a moving member (111) arranged in the first shell (16) in a lifting manner, and a first groove (112) arranged in the moving member (111) and facing to the outer side of the first shell (16), a second groove (161) communicated with the first groove (112) is arranged in the first shell (16), the first unlocking driving assembly (12) drives the moving member (111) to move downwards in the first shell (16) and drives the first groove (112) to move downwards relative to the second groove (161), so that the first groove (112) is staggered with the second groove (161) to enable the first locking assembly (11) to be switched to an unlocking state.

3. A novel locking device according to claim 2, wherein a first elastic member (113) connected to the moving member (111) is disposed in the first housing (16), and the first elastic member (113) is configured to move the moving member (111) upward in the first housing (16) to reset, and drive the first slot (112) to move upward relative to the second slot (161) to align with the second slot (161), so as to switch the first locking assembly (11) to the locked state.

4. A novel locking device according to claim 2 or 3, characterized in that the first unlocking driving assembly (12) comprises a first unlocking key (121) which is installed in the first housing (16) in a lifting manner, the first unlocking key (121) is connected with the moving member (111), and the first unlocking key (121) is used for driving the moving member (111) to move up and down in the first housing (16).

5. The novel locking device according to claim 1, wherein the linkage resetting assembly (13) comprises a lock rod (131) connected with the moving member (111), a second elastic piece (132) arranged between the lock rod (131) and the moving member (111), a first limiting part (162) corresponding to the lock rod (131) is arranged in the first shell (16), the moving member (111) moves downwards in the first shell (16) through the first unlocking driving assembly (12) so as to drive the lock rod (131) to move downwards relative to the first limiting part (162), and the lock rod (131) ejects to be abutted to the bottom of the first limiting part (162) through the second elastic piece (132), so that the first locking assembly (11) is kept in the unlocking state through the first limiting part (162).

6. The novel locking device according to claim 5, wherein the first limiting portion (162) comprises a baffle plate (1621) arranged in the first housing (16) and close to the top of the first housing (16), and a limiting groove (1622) for accommodating the lock rod (131), the limiting groove (1622) is arranged inside the first housing (16), an ejecting port (1623) communicated with the limiting groove (1622) is further arranged at the lower part of the baffle plate (1621), and when the lock rod (131) moves downwards relative to the baffle plate (1621) through the moving member (111), the lock rod (131) ejects through the ejecting port (1623) through the second elastic piece (132) and is abutted to the bottom of the baffle plate (1621).

7. The novel locking device according to claim 6, wherein a protruding block (1311) is arranged on the outer side of the lock rod (131), a first guiding portion (1312) is arranged at the bottom of the protruding block (1311), when the lock rod (131) ejects through the second elastic component (132), the protruding block (1311) follows the lock rod (131) to eject to the outer side of the baffle plate (1621), and the first guiding portion (1312) can enable the lock rod (131) to retract into the limiting groove (1622) under the action of external force.

8. Child vehicle with novel locking device, comprising a frame (2) and a child carrier (3), characterized in that the frame (2) comprises a locking device (1) according to any one of claims 1-7, the child carrier (3) is connected to the frame (2) by the locking device (1), the child carrier (3) comprises a third mounting part (31) correspondingly connected to the first mounting part (14), and the frame (2) further comprises a fourth mounting part (21) correspondingly connected to the second mounting part (15).

9. A stroller with a novel locking device according to claim 8, characterized in that the locking device (1) further comprises a second unlocking drive assembly (17) for unlocking the second mounting part (15) from the fourth mounting part (21), the second unlocking drive assembly (17) being connected to the second mounting part (15).

10. A stroller with novel locking device according to claim 8, characterized in that the locking device (1) further comprises a positioning groove (101) located at the upper side of the first mounting portion (14), the positioning grooves (101) are provided with a plurality of positioning grooves and are distributed at intervals along the height direction of the locking device (1), the child carrier (3) further comprises a sliding block which can be telescopic inside and outside the third mounting portion (31), and the positioning grooves (101) are matched with the sliding block.