TWM567704U - Fast dismounting wheel structure - Google Patents

Abstract

The utility model relates to a quick release wheel structure, which comprises a wheel axle set, a wheel seat and a quick release group. The axle assembly a wheel axle and a cover body combined with the wheel axle; the wheel seat is combined with the quick release set and a caster set; wherein the axle has a fitting section; the wheel base has a shaft hole and an assembly space, the fast Disassembling a latching member having an elastic displacement, the latching member having a limiting hole having a latching portion, the latching member being mounted in the assembly space; the axle is inserted from the axle bore The limiting hole of the latching component located in the assembly space; the elastic displacement of the latching component causes the latching portion to form a latching state with the engaging section, and the axle can not be pulled out from the shaft hole to achieve shortening The effect of the assembly time; further, the elastic displacement of the latching element can release the locking state of the limiting hole and the axle, thereby rapidly separating the wheel seat from the axle set.

Description

Quick release wheel structure

This creation relates to the technical field of a wheel body, in particular a quick release wheel structure which can be quickly disassembled and assembled.

Casters are now widely used in a variety of items, such as luggage, slidable office chairs or cabinets; the user can easily move the item to a designated location by pushing the item. The casters are the key components for the article to be easily moved. Since the wheel body of the caster must bear the weight of the entire article and roll over the uneven ground for a long time, the wheel body may be damaged due to wear or impact.

However, the conventional casters are fixed by the screw lock installation method, which is quite inconvenient when replacing the wheel body. The replacer must remove the screw lock components for fixing, and replace the new wheel body with the screw. The lock element is locked, causing the replacement to spend more work time.

As described in the detachable wheel of the Republic of China, the new patent publication No. M524115, the detachable wheel set includes a roller set and a wheel angle seat, the roller set has a clamping member, and the wheel corner seat has a a fixing member, the clamping member and the fixing member are rotatably engaged. However, although the roller set and the wheel angle group can be joined or separated by rotation, the convenience is still insufficient.

The purpose of the present invention is to provide a quick-disconnecting wheel structure, which can facilitate the user to release the locking state of the axle set and the wheel seat in a one-handed manner, thereby quickly disassembling the wheel seat to solve the conventional replacement. When it comes to the wheel base, it takes a long time.

In order to achieve the above objects and effects, the present invention discloses a quick-disconnecting wheel structure for rapidly assembling or disengaging a wheel seat and a wheel axle set, the axle set having an axle and a cover body combined with the axle; the wheel seat Mainly composed of a quick release group and a caster set, the caster set has at least one wheel, wherein: the axial direction of the axle comprises a fitting section, and the two outer surface sections respectively connect the ends of the fitting section The outer diameter of the fitting portion is smaller than the outer diameter of the outer surface portion; the inner portion of the wheel housing has an assembly space, and a shaft hole is located at one end of the wheel housing and communicates with the assembly space, and the quick release group is installed at the The quick release group includes a latching member having a limiting hole, the latching member being elastically displaceably mounted in the assembly space; wherein the axle is inserted into the assembly space from the shaft bore and the limit In the position of the hole, the latching member is elastically displaced, so that the limiting hole is engaged with the engaging portion to form a state in which the latch is engaged.

10‧‧‧Axle set

12‧‧‧ Cover

14‧‧‧Axle

16‧‧‧Merge segment

18‧‧‧Outer surface section

20‧‧‧ wheel seat

22‧‧‧Ontology

24‧‧‧Axis hole

30‧‧‧Quick-opening group

36‧‧‧First opening

37‧‧‧Assembly space

38‧‧‧ second opening

40‧‧‧Carton components

42‧‧‧ first side

44‧‧‧ second side

46‧‧‧Limited holes

47‧‧‧ wearing department

48‧‧‧Card Department

49‧‧‧ convex

50‧‧‧ casters

52‧‧‧ Wheels

60‧‧‧ first button

62‧‧‧First elastic hook

64‧‧‧second button

66‧‧‧Second elastic hook

68‧‧‧ recessed hole

70‧‧‧Flexible components

The first picture is a perspective view of the creation.

The second picture is an exploded view of the structure of the creation.

The third picture is a structural exploded view of the quick-release part of the creation.

The fourth picture is a sectional view of the quick-release part of the creation.

The fifth figure is the first state of the combination of the creative axle and the cassette element.

The sixth picture is a sectional view 2 of the quick-release part of the creation.

The seventh picture is the combination state diagram of the original wheel axle and the cassette element.

Referring to FIG. 1 , the quick-disconnecting wheel structure disclosed in the present invention is mainly composed of a wheel axle set 10 and a wheel base 20, which is coupled with a quick-release group 30 and a caster set 50, the caster set. 50 has at least one wheel 52, which is shown in the present embodiment with two wheels 52. The wheel base 20 and the axle set 10 can be assembled and separated quickly by operating the quick release set 30.

Referring to FIG. 2, the wheel base 20 includes a body 22 having a shaft hole 24. The quick release set 30 is composed of a click element 40, an elastic element 70, a first button 60 and a second button 64. The axle set 10 has an axle 14 and a cover 12 is coupled to the axle 14. The axle 14 is for inserting into the shaft hole 24. The axle 14 has a mating section 16 and two outer surface sections 18. The fitting section 16 is formed in the axial direction of the axle 14, and the outer surface section 18 is connected to the end of the fitting section 16, respectively, and the fitting section 16 has an outer diameter smaller than the outer diameter of the outer surface section 18.

Referring to FIG. 3, the body 22 of the wheel base 20 has a cylindrical shape. The shaft hole 24 is axially opened at a center of the top surface of the body 22. A first opening 36 is formed on the circumferential surface of the body 22 and has a rectangular shape. A second opening 38 is formed on the circumferential surface of the body 22 and has a rectangular shape. The first opening 36 is opposite the second opening 38.

An assembly space 37 is formed inside the body 22. The assembly space 37 communicates with the first opening 36 and the second opening 38. The latching element 40 has a rectangular sheet shape and has a first side 42 and a second side 44 opposite to the second side 44. A limiting hole 46 is defined in the central portion of the latching member 40. The limiting hole 46 is formed by a through portion 47 and a latching portion 48. The through portion 47 is connected to the latch portion 48 and the The diameter of the insertion portion 47 is larger than the diameter of the latch portion 48. A convex portion 49 is formed to extend from the second side 44.

The first button 60 has a rectangular block shape, and one side surface of the first button 60 forms a wave configuration. A first elastic hook portion 62 is formed at each end of the first button 60. The second button 64 has a rectangular block shape, and a surface of one side of the second button 64 is formed into a wave shape, and a recessed hole 68 is recessed in the other side surface, and a second elastic hook is formed at each end of the second button 64. Department 66.

Referring to FIG. 4 , the second button 64 is mounted on the second opening 38 of the body 22 , and the second elastic hook portion 66 is located in the assembly space 37 , and the second elastic hook portion 66 is engaged with the assembly. The inner wall surface of the space 37 is formed in a position such that the second button 64 does not come out of the second opening 38 in a normal state. Additionally, a suitable stop configuration can be provided in the assembly space 37 to prevent the second button 64 from moving excessively toward the interior of the assembly space 37.

The cassette element 40 is mounted within the assembly space 37. The convex portion 49 of the latching member 40 is placed at one end of the elastic member 70 such that the second side 44 abuts against the elastic member 70. The other end of the resilient member 70 is embedded in the recess 68, whereby the resilient member 70 is coupled to the second button 64.

The first button 60 is mounted to the first opening 36 of the body 22 and is in an movable state. The first elastic hook portion 62 is located in the assembly space 37, and the first elastic hook portion 62 is engaged with the inner wall surface of the assembly space 37 to form a positioning shape, so that the first button 62 does not come out in the normal state. An opening 36.

It can be understood that a portion of the elastic member 70 exposes the recess 38, and the assembly space 37 can be provided with a suitable track configuration for carrying the latch member 40, such that the latch member 40 can be in the assembly space 37. The elastic displacement is performed inside.

According to the structural configuration disclosed above, please refer to FIGS. 4 and 5, the first button 60 is pressed to push the latching member 40 to move in the direction of the second button 64, and the elastic member 70 is compressed. In the shape, the insertion portion 47 of the limiting hole 46 moves to a position below the shaft hole 24.

The outer diameter of the outer surface portion 18 of the axle 14 of the present invention is smaller than the inner diameter of the shaft hole 24 and the through portion 47, so the wheel shaft 14 can be inserted into the limiting hole 46 from the shaft hole 24 . In the portion 47, the fitting section 16 of the axle 14 is opposed to the latching portion 48.

Referring to Figures 6 and 7, releasing the force acting on the first button 60, the latching member 40 and the first button 60 are displaced to the initial position by the restoring force of the elastic member 70, and the card is further depressed. The portion 48 engages the mating segment 16. Since the inner diameter of the latch portion 48 is smaller than the outer diameter of the outer surface portion 18, the axle 14 is restricted by the latch portion 48, and the axle 14 cannot be pulled out from the axle hole 24.

Referring to FIG. 4 again, the pressing of the first button 60 can displace the latching member 40 and move the wearing portion 47 of the limiting hole 46 to a position below the shaft hole 24 to achieve the card. The latching portion 48 of the cymbal element 40 is unlocked from the fitting portion 16 of the axle 14, and the axle 14 is detachable from the shaft bore 24. In other words, the user can conveniently separate the axle set (not shown) from the wheel mount (not shown).

According to the above description, it is known that by operating the quick release group 30, the wheel base 20 and the axle assembly 10 can be quickly assembled and separated, and the user can release the wheel carrier 20 and the axle assembly with one hand. The card-bonding state of 10 has the effect of shortening the assembly time, and solving the complicated problems of the conventional method and process of replacing the wheel base 20.

The above embodiments are illustrative of the creation of the present invention and its effects, and are not intended to limit the present invention. Any person skilled in the art can implement the above embodiments without departing from the technical principles and spirit of the present invention. Modifications and changes are made, therefore, the scope of protection of this creation shall be as set forth in the scope of the patent application described later.

Claims (8)

A quick-disconnecting wheel structure for quickly assembling or disengaging a wheel base and an axle set, the axle set having an axle; the wheel mount is combined with a quick release set and a caster set, wherein: the axle of the axle The end portion of the fitting portion is respectively connected to a fitting portion, and the outer surface portion of the fitting portion has an outer diameter smaller than an outer diameter of the outer surface portion; the inner portion of the wheel housing has an assembly space and a shaft hole Positioned at one end of the wheel base and communicating with the assembly space, the quick release group is installed in the assembly space; the quick release group includes a latching member having a limiting hole, and the latching member is elastically displaceably mounted on the assembly An assembly space, wherein the axle is inserted into the assembly space and the limiting hole from the shaft hole, and the latching member is elastically displaced, so that the limiting hole is latched into the engaging portion to form a latching state . The quick release wheel structure of claim 1, wherein the limiting hole has a through portion and a latch portion, the diameter of the through portion being larger than a diameter of the latch portion, the latch portion In contact with the fitting section, the axle penetrates from the wearing portion, and the latching member is elastically displaced to form a latching engagement by the latching portion engaging the fitting section. The quick release wheel structure of claim 1, wherein the quick release set has an elastic element that is in contact with the click element, and the click element is coupled to the elastic element to form an elastic displacement. The quick release wheel structure of claim 3, wherein the latching member has a first side and a second side, the second side is outwardly formed with a convex portion, and the elastic member is sleeved on the Convex. The quick release wheel structure of claim 3, wherein the wheel base has a first opening and a second opening, the assembly space is located between the first opening and the second opening, and the group The loading space communicates with the first opening and the second opening, and the component members of the quick release group are respectively mounted on the assembly space, the first opening and the second opening. The quick release wheel structure of claim 5, wherein the quick release group has a first button mounted on the first opening, the first button is opposite to the latching component, and the first button is used to drive The cassette element is displaced. The quick release wheel structure of claim 6, wherein the opposite ends of the first button each have a first elastic hook portion, and the elastic hook portion is used for hooking the assembly space of the wheel seat. The inner wall. The quick release wheel structure of claim 5, wherein the quick release group has a second button mounted to the second opening, the second button having a recessed hole relative to the latching member, the elastic member One end of the elastic member is embedded in the recessed hole, and one end of the elastic member abuts against the latching member.