CN213551513U - Foldable armrest - Google Patents
Foldable armrest Download PDFInfo
- Publication number
- CN213551513U CN213551513U CN202022247213.8U CN202022247213U CN213551513U CN 213551513 U CN213551513 U CN 213551513U CN 202022247213 U CN202022247213 U CN 202022247213U CN 213551513 U CN213551513 U CN 213551513U
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- locking
- armrest
- handrail
- foldable
- sleeve
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Abstract
本实用新型实施例涉及机械装置领域，公开了一种可折叠扶手。本实用新型中，可折叠扶手包括：安装座、以及可转动地设置在安装座上的扶手本体，安装座上固定设置有锁止卡轮，锁止卡轮的轮缘上设置有卡槽；扶手本体内设置有处于压缩状态的第一弹性件、以及与第一弹性件相连的锁止部；可折叠扶手处于展开状态时，扶手本体位于第一位置，且第一弹性件将锁止部抵持在卡槽外的轮缘上；扶手本体相对安装座转动时，锁止部沿锁止卡轮的轮缘滑向卡槽；可折叠扶手处于折叠状态时，扶手本体位于第二位置，锁止部滑入卡槽、并在第一弹性件的弹力作用下卡持于卡槽内。本实用新型提供的可折叠扶手，可以在需要使用时被展开、在不需要使用时被折叠，提高了便利性。
The embodiment of the utility model relates to the field of mechanical devices, and discloses a foldable handrail. In the utility model, the foldable armrest comprises: an installation seat and an armrest body rotatably arranged on the installation seat, a locking wheel is fixedly arranged on the installation seat, and a locking groove is arranged on the rim of the locking wheel; The armrest body is provided with a first elastic member in a compressed state and a locking portion connected with the first elastic member; when the foldable armrest is in an unfolded state, the armrest body is located at the first position, and the first elastic member locks the locking portion It is pressed against the rim outside the card slot; when the armrest body rotates relative to the mounting seat, the locking portion slides to the card slot along the rim of the locking wheel; when the foldable armrest is in the folded state, the armrest body is in the second position, The locking portion slides into the card slot, and is held in the card slot under the elastic force of the first elastic member. The foldable armrest provided by the utility model can be unfolded when needed and folded when not needed, thereby improving convenience.
Description
Technical Field
The embodiment of the utility model provides a relate to the mechanical device field, in particular to collapsible handrail.
Background
To improve convenience, handrails are used in a variety of industrial or life scenarios. In the prior art, the handrail is generally fixedly installed on equipment such as bathroom products through a fixing seat, or directly fixedly installed on a wall.
The inventor finds that at least the following problems exist in the prior art: the scheme that the handrail is fixedly arranged on equipment such as bathroom products or a wall body is not convenient, and the handrail can obstruct a user when not needed.
SUMMERY OF THE UTILITY MODEL
An object of the embodiment of the utility model is to provide a foldable handrail for foldable handrail can be expanded when needs use, is folded when need not use, has improved the convenience.
In order to solve the above technical problem, an embodiment of the present invention provides a foldable handrail, including: the handrail device comprises a mounting seat and a handrail body which is rotatably arranged on the mounting seat, wherein a locking clamping wheel is fixedly arranged on the mounting seat, and a clamping groove is formed in the rim of the locking clamping wheel; the handrail body is internally provided with a first elastic piece in a compressed state and a locking part connected with the first elastic piece; when the foldable handrail is in an unfolded state, the handrail body is located at a first position, and the first elastic piece enables the locking part to be abutted against the rim outside the clamping groove; when the foldable handrail is switched from the unfolded state to the folded state, the handrail body rotates relative to the mounting seat, and the locking part slides to the clamping groove along the rim of the locking clamping wheel under the driving of the handrail body and the abutting of the first elastic piece; when the foldable handrail is in a folded state, the handrail body is located at the second position, and the locking part slides into the clamping groove and is clamped in the clamping groove under the elastic action of the first elastic piece.
Compared with the prior art, the embodiment of the utility model provides an because the mount pad and the handrail body that rotationally sets up on the mount pad, fixed locking card wheel that is provided with on the mount pad, be provided with the draw-in groove on the rim of locking card wheel, be provided with in the handrail body in the first elastic component of compression state and the locking portion that links to each other with first elastic component, when collapsible handrail is in the expansion state, the handrail body is located the first position, and first elastic component supports the locking portion on the rim outside the draw-in groove, and the user can use collapsible handrail this moment; when a user does not need to use the foldable handrail, the foldable handrail can be switched from a self-unfolding state to a folding state, at the moment, the handrail body rotates relative to the mounting seat, the locking part slides to the clamping groove along the rim of the locking clamping wheel under the driving of the handrail body and the supporting of the first elastic piece until the foldable handrail is in a folding state, the handrail body is located at the second position, the locking part slides into the clamping groove and is clamped in the clamping groove under the elastic force of the first elastic piece, the whole process that the foldable handrail is folded is completed, and the foldable handrail can be firmly kept in the folding state because the locking part is clamped in the clamping groove; when the user needs to use the handrail next time, the handrail body can be rotated in the opposite direction, so that the locking part slides out of the clamping groove, and the handrail can be used again. That is, by rotating the armrest body, the foldable armrest can be unfolded when needed and folded when not needed, and convenience is improved.
In addition, the handrail device also comprises a second elastic piece connected with the handrail body, and when the handrail body is positioned at the first position, the second elastic piece is in a compressed state; in the process that the armrest body rotates from the first position to the second position, the second elastic piece restores to the original state and pushes the armrest body to rotate; in the process that the armrest body rotates from the second position to the first position, the second elastic piece deforms under the action of external force applied by the armrest body and blocks the rotation of the armrest body. In the process that the armrest body rotates from the first position to the second position, the second elastic piece restores to the original state and releases elastic potential energy, so that the upward lifting acting force of a user during folding of the armrest is relieved; in the process that the armrest body rotates from the second position to the first position, the second elastic piece deforms and converts the gravitational potential energy part of the armrest body into elastic potential energy, so that the impact from the folded state (vertical state) to the unfolded state (horizontal state) can be reduced, and the hand feeling of the unfolded armrest is improved.
In addition, the locking card wheel is fixed via the pivot on the mount pad, the second elastic component is the torsional spring, the pivot passes the torsional spring, just the one end of torsional spring with this body coupling of handrail, the other end with the locking card takes turns to and is connected.
In addition, the fixed axle sleeve that is provided with on the handrail body, the axle sleeve includes: the locking device comprises a first sleeve sleeved on the rotating shaft, a second sleeve sleeved on the first sleeve, and a connecting part for connecting the first sleeve and the second sleeve, wherein the locking clamping wheel penetrates through two sides of the first sleeve, and a through hole is formed in the second sleeve so that the locking part is in contact with the locking clamping wheel; the first sleeve and the second sleeve are arranged at intervals to form an accommodating space, the torsional spring is located in the accommodating space and sleeved on the first sleeve, one end of the torsional spring is connected with the inner wall of the shaft sleeve, and the other end of the torsional spring is connected with the locking clamping wheel.
In addition, the number of the second elastic pieces is two, and the two second elastic pieces are respectively located on two sides of the locking clamping wheel. So set up, the elasticity that the handrail body left and right sides received equals for it is more steady comfortable when expanding or folding handrail.
In addition, the locking card wheel is cylindrical, and the handrail body is rotatable along the circumference of locking card wheel.
In addition, the locking part is spherical, and the clamping groove is matched with the locking part in shape.
In addition, the first elastic piece is a spiral spring, one end of the spiral spring is fixedly connected with the handrail body, and the other end of the spiral spring is fixedly connected with the locking part.
In addition, the armrest body includes: the U-shaped main body part and the holding parts are connected with two opposite sides of the U-shaped main body part, and the first tail end of the U-shaped main body part is rotatably arranged on the mounting seat. So set up, the handrail body can satisfy multiple posture of gripping, and is more convenient.
In addition, a fixing groove is formed in the mounting seat and located below the first tail end of the U-shaped main body portion, and when the armrest body rotates to the first position, the second tail end of the U-shaped main body portion is contained in the fixing groove. So set up, on the rotation direction of perpendicular to handrail body, the fixed slot plays limiting displacement to handrail body, can avoid handrail body to rock.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.
Fig. 1 is a schematic view of a foldable armrest provided in a first embodiment of the present invention in an unfolded state;
fig. 2 is a schematic view of a foldable handrail provided in a first embodiment of the present invention in a folded state;
fig. 3 is a sectional view of a foldable armrest provided in a first embodiment of the present invention in an unfolded state;
fig. 4 is a sectional view of the foldable handrail provided in the first embodiment of the present invention in a folded state;
fig. 5 is a schematic view of the internal structure of a foldable handrail provided in the first embodiment of the present invention;
fig. 6 is a sectional view of a foldable handrail provided in a first embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following will explain in detail each embodiment of the present invention with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that in various embodiments of the invention, numerous technical details are set forth in order to provide a better understanding of the present application. However, the technical solution claimed in the present application can be implemented without these technical details and various changes and modifications based on the following embodiments.
A first embodiment of the present invention relates to a foldable armrest, as shown in fig. 1 to 6, including: the handrail device comprises a mounting seat 11 and a handrail body 12 which is rotatably arranged on the mounting seat 11, wherein a locking clamping wheel 13 is fixedly arranged on the mounting seat 11, and a clamping groove 14 is arranged on the rim of the locking clamping wheel 13; a first elastic piece 15 in a compressed state and a locking part 16 connected with the first elastic piece 15 are arranged in the armrest body 12; when the foldable handrail is in an unfolded state, the handrail body 12 is located at the first position, and the first elastic piece 15 abuts against the locking part 16 on the rim outside the clamping groove 14; when the foldable handrail is switched from the unfolded state to the folded state, the handrail body 12 rotates relative to the mounting seat 11, and the locking part 16 slides to the clamping groove 14 along the rim of the locking clamping wheel 13 under the driving of the handrail body 12 and the propping of the first elastic piece 15; when the foldable handrail is in a folded state, the handrail body 12 is located at the second position, and the locking portion 16 slides into the clamping groove 14 and is clamped in the clamping groove 14 under the elastic force of the first elastic member 15.
In the using process, when the foldable handrail is in the unfolding state, the first elastic piece 15 supports the locking part 16 on the rim outside the clamping groove 14, and the user can use the foldable handrail at this time.
When the user need not use, can switch collapsible handrail from the state of expanding to fold condition, at this moment, handrail body 12 rotates for mount pad 11, locking portion 16 slides to draw-in groove 14 along the rim of locking card wheel 13 under the drive of handrail body 12 and the support of first elastic component 15, until collapsible handrail is in fold condition, handrail body 12 is located the second position, locking portion 16 slides into draw-in groove 14, and the card is held in draw-in groove 14 under the elastic force effect of first elastic component 15, accomplish the whole process that collapsible handrail was folded, because locking portion 16 is held in draw-in groove 14 by the card, consequently, collapsible handrail can be firm the keeping under fold condition.
When the user again desires to use, the armrest body 12 may be rotated in the opposite direction so that the locking portion 16 slides out of the slot 14, thereby enabling the foldable armrest to be used again.
Optionally, the foldable armrest may further include a second elastic member 17 connected to the armrest body 12, and when the armrest body 12 is located at the first position, the second elastic member 17 is in a compressed state; in the process that the armrest body 12 rotates from the first position to the second position, the second elastic element 17 restores to the original state and pushes the armrest body 12 to rotate; in the process that the armrest body 12 rotates from the second position to the first position, the second elastic element 17 deforms under the action of the external force applied by the armrest body 12 and blocks the armrest body 12 from rotating.
In the process that the armrest body 12 rotates from the first position to the second position, the second elastic element 17 restores to the original state and releases elastic potential energy, so that the upward acting force of a user during folding the armrest is reduced; in the process that the armrest body 12 rotates from the second position to the first position, the second elastic piece 17 deforms to convert part of gravitational potential energy of the armrest body 12 into elastic potential energy, so that impact from a folded state (vertical state) to an unfolded state (horizontal state) can be reduced, and hand feeling of the unfolded armrest can be improved.
Specifically, the locking catch wheel 13 is fixed on the mounting seat 11 through the rotating shaft 18, the rotating shaft 18 can be fixed on the mounting seat 11 through a locking screw, a bracket 19 can be arranged in the mounting seat 11, a mounting hole is formed in the bracket 19, and the locking screw is clamped at the edge of the mounting hole from the outer side of the bracket 19.
Further, second elastic component 17 can be the torsional spring, and pivot 18 passes the torsional spring, and the one end and the handrail body 12 of torsional spring are connected, the other end is connected with locking card wheel 13, and handrail body 12 is last to be fixed to be provided with axle sleeve 20, and axle sleeve 20 includes: the locking device comprises a first sleeve 201 sleeved on the rotating shaft 18, a second sleeve 202 sleeved on the first sleeve 201, and a connecting part 203 for connecting the first sleeve 201 and the second sleeve 202, wherein the locking clamping wheel 13 penetrates through two sides of the first sleeve 201, and a through hole is formed in the second sleeve 202 so that the locking part 16 is in contact with the locking clamping wheel 13; the first sleeve 201 and the second sleeve 202 are arranged at intervals to form an accommodating space, the torsion spring is located in the accommodating space and sleeved on the first sleeve 201, one end of the torsion spring is connected with the inner wall of the shaft sleeve 20, and the other end of the torsion spring is connected with the locking clamping wheel 13.
That is to say, when the armrest body 12 rotates, the rotating shaft 18 and the locking catch wheel 13 are not moved, the shaft sleeve 20 is driven by the armrest body 12 to rotate, one end of the torsion spring is connected with the rotating shaft sleeve 20, and the other end of the torsion spring is connected with the immovable locking catch wheel 13, so that the accumulation and release of elastic potential energy are realized, the locking part 16 is driven by the armrest body 12 to slide on the rim of the locking catch wheel 13, and when the foldable armrest is in the folded state, the locking part 16 is caught in the catching groove 14 on the locking catch wheel 13.
In this embodiment, the quantity of second elastic component 17 can be two, and two second elastic components 17 are located the both sides of locking card wheel 13 respectively, and two second elastic components 17 can be the torsional spring, so set up, and the elasticity that the handrail body 12 left and right sides received equals for it is more steady comfortable when expanding or folding handrail. In addition, the first elastic element 15 may be a coil spring, one end of which is fixedly connected with the bottom wall of the receiving groove inside the armrest body 12 (or abuts against the bottom wall of the receiving groove inside the armrest body 12), and the other end of which is fixedly connected with the locking portion 16 (or is clamped on the locking portion 16).
Specifically, the locking catch wheel 13 is cylindrical, the armrest body 12 is rotatable along the circumferential direction of the locking catch wheel 13, the locking portion 16 is spherical, the shape of the locking portion 16 matches that of the locking portion 14, and specifically, the locking portion 14 may be complementary to the spherical partial structure (smaller than a hemisphere) or conical, and the like.
To facilitate gripping, the armrest body 12 may include: the handrail body 12 can meet various holding postures, and is more convenient, and optionally, a plurality of anti-slip grooves or anti-slip particles can be arranged on the holding part 122 and/or the U-shaped main body part.
In practical applications, the fixing groove 21 may be disposed on the mounting seat 11, the fixing groove 21 is located below the first end 123 of the U-shaped main body portion 121, and when the armrest body 12 rotates to the first position, the second end 124 of the U-shaped main body portion 121 is accommodated in the fixing groove 21, so that the fixing groove 21 limits the armrest body 12 in a direction perpendicular to the rotation direction of the armrest body 12, thereby preventing the armrest body 12 from shaking.
The foldable handrail can be applied to various scenes in life or industry, for example, the mounting seat 11 can be locked to a wall by a locking bolt to be mounted in a scene such as a toilet, or mounted on a sanitary product such as a bathtub, and the like.
Compared with the prior art, the embodiment of the utility model, through rotating handrail body 12, can realize that collapsible handrail expandes when needs use and folding when need not use, improved the convenience.
It will be understood by those skilled in the art that the foregoing embodiments are specific examples of the invention, and that various changes in form and details may be made therein without departing from the spirit and scope of the invention in its practical application.
Claims (10)
1. A foldable armrest, comprising: the handrail device comprises a mounting seat and a handrail body which is rotatably arranged on the mounting seat, wherein a locking clamping wheel is fixedly arranged on the mounting seat, and a clamping groove is formed in the rim of the locking clamping wheel; the handrail body is internally provided with a first elastic piece in a compressed state and a locking part connected with the first elastic piece;
when the foldable handrail is in an unfolded state, the handrail body is located at a first position, and the first elastic piece enables the locking part to be abutted against the rim outside the clamping groove;
when the foldable handrail is switched from the unfolded state to the folded state, the handrail body rotates relative to the mounting seat, and the locking part slides to the clamping groove along the rim of the locking clamping wheel under the driving of the handrail body and the abutting of the first elastic piece;
when the foldable handrail is in a folded state, the handrail body is located at the second position, and the locking part slides into the clamping groove and is clamped in the clamping groove under the elastic action of the first elastic piece.
2. The foldable armrest of claim 1, further comprising a second resilient member coupled to the armrest body, the second resilient member being in compression when the armrest body is in the first position;
in the process that the armrest body rotates from the first position to the second position, the second elastic piece restores to the original state and pushes the armrest body to rotate;
in the process that the armrest body rotates from the second position to the first position, the second elastic piece deforms under the action of external force applied by the armrest body and blocks the rotation of the armrest body.
3. The foldable handrail of claim 2, wherein the locking catch wheel is fixed on the mounting seat via a rotating shaft, the second elastic member is a torsion spring, the rotating shaft penetrates through the torsion spring, and one end of the torsion spring is connected with the handrail body while the other end is connected with the locking catch wheel.
4. The foldable armrest of claim 3, wherein a bushing is fixedly disposed on the armrest body, the bushing comprising: the locking device comprises a first sleeve sleeved on the rotating shaft, a second sleeve sleeved on the first sleeve, and a connecting part for connecting the first sleeve and the second sleeve, wherein the locking clamping wheel penetrates through two sides of the first sleeve, and a through hole is formed in the second sleeve so that the locking part is in contact with the locking clamping wheel;
the first sleeve and the second sleeve are arranged at intervals to form an accommodating space, the torsional spring is located in the accommodating space and sleeved on the first sleeve, one end of the torsional spring is connected with the inner wall of the shaft sleeve, and the other end of the torsional spring is connected with the locking clamping wheel.
5. The foldable armrest of claim 2, wherein the number of the second elastic members is two, and the two second elastic members are respectively located at both sides of the locking catch wheel.
6. The foldable handrail of claim 1, wherein the locking wheel is cylindrical, and the handrail body is rotatable in a circumferential direction of the locking wheel.
7. The foldable armrest of claim 1, wherein the locking portion is spherical and the catch matches the shape of the locking portion.
8. The foldable armrest of claim 1, wherein the first elastic member is a coil spring, and one end of the coil spring is fixedly connected to the armrest body and the other end of the coil spring is fixedly connected to the locking portion.
9. The foldable armrest of claim 1, wherein the armrest body comprises: the U-shaped main body part and the holding parts are connected with two opposite sides of the U-shaped main body part, and the first tail end of the U-shaped main body part is rotatably arranged on the mounting seat.
10. The foldable armrest of claim 9, wherein the mounting seat is provided with a retaining groove located below the first end of the U-shaped main body portion, and the second end of the U-shaped main body portion is received in the retaining groove when the armrest body is rotated to the first position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022247213.8U CN213551513U (en) | 2020-10-10 | 2020-10-10 | Foldable armrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022247213.8U CN213551513U (en) | 2020-10-10 | 2020-10-10 | Foldable armrest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213551513U true CN213551513U (en) | 2021-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022247213.8U Active CN213551513U (en) | 2020-10-10 | 2020-10-10 | Foldable armrest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213551513U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115957106A (en) * | 2023-01-07 | 2023-04-14 | 嵊州市科美电器有限公司 | Electric safety handrail |
| CN117398013A (en) * | 2023-10-17 | 2024-01-16 | 箭牌家居集团股份有限公司 | Safety armrest and toilet assembly |
-
2020
- 2020-10-10 CN CN202022247213.8U patent/CN213551513U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115957106A (en) * | 2023-01-07 | 2023-04-14 | 嵊州市科美电器有限公司 | Electric safety handrail |
| CN117398013A (en) * | 2023-10-17 | 2024-01-16 | 箭牌家居集团股份有限公司 | Safety armrest and toilet assembly |
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