CN217864471U

CN217864471U - Seat armrest fixing structure for scooter

Info

Publication number: CN217864471U
Application number: CN202221687741.8U
Authority: CN
Inventors: 王海军; 胡翔; 汪小林; 楼彥平
Original assignee: Dongyang Linix Machine Electricity Co Ltd
Current assignee: Dongyang Linix Machine Electricity Co Ltd
Priority date: 2022-07-01
Filing date: 2022-07-01
Publication date: 2022-11-22
Anticipated expiration: 2032-07-01

Abstract

The utility model relates to a car of riding instead of walk, concretely relates to car of riding instead of walk armrest fixed knot constructs. The utility model provides a car seat handrail fixed knot that rides instead of walk constructs, its characterized in that includes the handrail body that extends along the fore-and-aft direction, handrail body rear end rotates fixedly with the back, the skew tip department of handrail body rotates fixedly with the upper end of bracing piece, the bracing piece lower extreme rotates fixedly with the seat, the seat side is equipped with the first spacing arch or the first spacing groove that extend to side, first spacing arch and first spacing groove all have be used for with the spacing face of the protruding contact of first activity, the skew tip department of bracing piece is equipped with first activity arch, first activity arch is in along bracing piece length direction sliding fit setting on the bracing piece. The utility model has the advantages of more convenient folding of the chair, and higher use stability and safety.

Description

Seat armrest fixing structure for scooter

Technical Field

The utility model relates to a car of riding instead of walk, concretely relates to car of riding instead of walk armrest fixed knot constructs.

Background

In order to be stored conveniently, all parts of the existing scooter and wheelchair can be folded, folding locking structures are arranged at the folding parts to ensure the use safety, and when the seat is folded, namely the backrest needs to be laid down, the folding locking structures need to be released firstly. The existing folding locking structure comprises a mode of locking through an elastic pin or adopting bolt fastening, the setting position of the folding locking is lower, a user needs to bend down or squat, and the use is troublesome.

Chinese patents with application numbers of 201710351887.2, 201720752037.9 and the like disclose a scooter, wherein a frame body and a seat of the scooter are linked, the frame body can be folded simultaneously when the seat is folded, and the whole scooter can be folded at one time. In the wheelchair of application No. 202120630943.8, when the wheelchair is folded and unlocked, the elastic pin located on the lower side of the frame needs to be pulled out, and then the wheelchair can be folded.

The Chinese patent with the application number of 201620343072.0 discloses a scooter, wherein the folding of a frame of the scooter and the folding of a seat are separately carried out, but a bolt for folding and locking is positioned at the rear side of a seat plate of the seat, the bolt at the seat plate needs to be loosened when the seat is folded, and if the folding or unfolding state of the seat needs to be locked, the bolt needs to be screwed, so that the use is troublesome; if the bolts are not tightened, safety accidents can also occur.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a car armrest fixed knot that rides instead of walk that enables folding of seat more convenient, and stability in use and security are higher constructs.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a car seat handrail fixed knot constructs rides instead of walk, includes the handrail body that extends along the fore-and-aft direction, handrail body rear end rotates fixedly with the back, the skew tip department of handrail body rotates fixedly with the upper end of bracing piece, the bracing piece lower extreme rotates fixedly with the seat, the seat side is equipped with the first spacing arch or the first spacing groove that extend to side, first spacing arch and first spacing groove all have be used for with the protruding spacing face of contact of first activity, the skew tip department of bracing piece is equipped with first activity arch, first activity arch is in along bracing piece length direction sliding fit setting on the bracing piece, work as when first activity arch is located lower spacing department, first activity arch is located the positive rear side of spacing face and overturns forward with the restriction bracing piece.

When the folding lock is not released, the backrest has a tendency to turn forward under external force, and the backrest and the armrest body are fixed in a rotating manner, and the armrest body is supported on the seat plate through the supporting rod, so that the armrest body can turn forward under the action of the backrest, the first movable protrusion on the supporting rod is abutted against the first limiting protrusion of the seat plate or the limiting surface of the first limiting groove, and the rotation of the backrest is limited. When the backrest needs to be folded, a user drives the first movable protrusion to slide upwards along the length direction of the supporting rod, so that the front side of the first movable protrusion is not blocked, the folding locking is released, and the backrest is turned over finally, so that the front end face of the backrest is close to the upper end face of the seat plate. The utility model can realize the unlocking of the seat only by operating the armrests, the operating position is relatively close to the upper part, the stooping range of the user is smaller, and the user can turn over and fold the backrest of the seat more conveniently; when the utility model discloses during normal use, first activity arch is avoided shifting up under the action of gravity, and the user sits on the seat to can avoid the seat to be folded by the mistake.

Preferably, the support rod comprises a fixed rod rotationally fixed with the seat plate and a movable rod rotationally fixed with the armrest body, the movable rod is sleeved outside the fixed rod in a sliding manner, and the first movable protrusion is fixed on the outer side of the lower end of the movable rod.

Preferably, the support rod is provided with a strip-shaped sliding groove, the inner end of the first movable protrusion slides in the strip-shaped sliding groove, and the first movable protrusion is matched with a return spring which is used for enabling the first movable protrusion to have a downward movement tendency force. When the supporting rod is sleeved with the inner sleeve and the outer sleeve and can be stretched, a user can realize the folding locking structure only by operating the handrail body, the operating position is higher, the user does not need to bend down, and the use is more convenient. When the first movable protrusion capable of sliding up and down is arranged, the elastic force of the return spring can be overcome, and compared with a mode of screwing a bolt to unlock, the unlocking device is more convenient.

Preferably, the lower end of the fixed rod is provided with a supporting protrusion extending towards the circumferential outer side, and the movable rod is always located above the supporting protrusion. Through the arrangement, the first movable protrusion is prevented from excessively moving downwards to be separated from the first limiting protrusion or the first limiting groove.

Preferably, the upper end of the supporting rod is provided with a rotating protrusion extending towards the side, the armrest body is provided with a first matching groove which is downward opened and used for accommodating the upper end of the supporting rod, the distance of the lower end opening of the first matching groove along the front-back direction is greater than the distance of the supporting rod along the front-back direction, and the side of the first matching groove is communicated with a second matching groove which is downward opened and used for accommodating the rotating protrusion.

Preferably, the rear end of the armrest body is provided with a second movable bulge extending towards the side, and the side of the backrest is provided with a second limiting bulge extending towards the side and always positioned at the front side or the rear side of the second movable bulge; or the backrest is provided with a second limiting groove with an opening towards the side, and one end of the second movable bulge, which is far away from the armrest body, extends into the second limiting groove. Through the setting in order to avoid the backrest to overturn excessively backward, in order to improve the utility model discloses stability in use.

Preferably, the second limiting groove is arc-shaped, and one end, far away from the handrail body, of the second movable protrusion is always located in the second limiting groove. Carry on spacingly with the rotation angle to handrail and back through above-mentioned setting, in order to further improve the utility model discloses stability in use and security.

The utility model has the advantages of more convenient folding of the chair, and higher use stability and safety.

Drawings

Fig. 1 is a schematic structural view of a seat of the present invention;

FIG. 2 is a schematic structural view of the scooter of the present invention;

FIG. 3 is an enlarged view of FIG. 1 at A;

fig. 4 is a schematic structural view of a support rod according to embodiment 1 of the present invention;

fig. 5 is a schematic structural view of the armrest of the present invention;

fig. 6 is a schematic structural view of a second limiting groove of the backrest of the present invention;

fig. 7 is a schematic structural view of a support rod according to embodiment 2 of the present invention.

Detailed Description

The invention will be further described with reference to the drawings and the specific embodiments.

Example 1

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the embodiment discloses a seat armrest fixing structure for a scooter, including an armrest body 1 extending along a front-back direction, a rear end of the armrest body 1 is rotationally fixed with a backrest 2, a position of a deviation end of the armrest body 1 is rotationally fixed with an upper end of a support rod 3, a lower end of the support rod 3 is rotationally fixed with a seat plate 4, a first limiting protrusion 41 extending laterally is arranged on a side surface of the seat plate 4, the first limiting protrusion 41 has a limiting surface for contacting with the first movable protrusion 30, a position of a deviation end of the support rod 3 is provided with the first movable protrusion 30, the first movable protrusion 30 is slidably arranged on the support rod 3 along a length direction of the support rod, and when the first movable protrusion 30 is located at a lower limiting position, the first movable protrusion 30 is located at a position right rear side of the limiting surface to limit forward turning of the support rod 3. Wherein, the lower end of the support rod 3 is provided with a connecting column 39 which is rotationally fixed with the seat plate 4, and the first movable bulge 30 is positioned above the connecting column 39.

As shown in fig. 3 and 4, the support rod 3 includes a fixed rod 31 fixed to the seat plate 4 in a rotating manner and a movable rod 32 fixed to the armrest body 1 in a rotating manner, the movable rod 32 is slidably disposed outside the fixed rod 31, the first movable protrusion 30 is fixed to the outer side of the lower end of the movable rod 32, a support protrusion 311 extending to the outer side in the circumferential direction is disposed at the lower end of the fixed rod 31, and the movable rod 32 is always located above the support protrusion 311.

As shown in fig. 5, the upper end of the support rod 3 has a rotation protrusion 33 extending laterally, the armrest body 1 has a first engagement groove 11 opening downward and accommodating the upper end of the support rod 3, the distance between the lower end opening of the first engagement groove 11 in the front-rear direction is greater than the outer diameter of the upper end of the support rod 3, and the first engagement groove 11 is communicated laterally with a second engagement groove 12 opening downward and accommodating the rotation protrusion 33.

As shown in fig. 5 and 6, a second movable protrusion 13 extending laterally is provided at the rear end of the armrest body 1, a second limiting groove 21 opening laterally is provided at the side of the backrest 2, and one end of the second movable protrusion 13 away from the armrest body 1 extends into the second limiting groove 21. The second limiting groove 21 is arc-shaped, and one end of the second movable protrusion 13 away from the handrail body 1 is always located in the second limiting groove 21.

Example 2

As shown in fig. 7, the present embodiment is different from embodiment 1 only in the structure of the support rod. The support rod 3 of this embodiment is provided with a strip-shaped sliding groove 38, the inner end of the first movable protrusion 30 slides in the strip-shaped sliding groove 38, and the inner end of the first movable protrusion 30 is provided with a return spring 37 for making the first movable protrusion 30 have a downward movement tendency, and the return spring is located in the strip-shaped sliding groove 38 and is a compression spring.

Claims

1. The utility model provides a car seat armrest fixed knot constructs rides instead of walk, its characterized in that includes the handrail body that extends along the fore-and-aft direction, handrail body rear end rotates fixedly with the back, the skew tip department of handrail body rotates fixedly with the upper end of bracing piece, the bracing piece lower extreme rotates fixedly with the seat, the seat side is equipped with the first spacing arch or the first spacing groove that extend to side, first spacing arch and first spacing groove all have be used for with the first protruding spacing face that contacts that moves about, the skew tip department of bracing piece is equipped with first activity arch, first activity arch is in along bracing piece length direction sliding fit setting on the bracing piece, works as when first activity arch is located lower spacing department, first activity arch is located the positive rear side of spacing face and overturns forward with the restriction bracing piece.

2. The armrest fixing structure for scooter according to claim 1, wherein the supporting rod comprises a fixed rod rotatably fixed to the seat plate and a movable rod rotatably fixed to the armrest body, the movable rod is slidably disposed outside the fixed rod, and the first movable protrusion is fixed to an outer side of a lower end of the movable rod.

3. The armrest fixing structure for scooter according to claim 1, wherein the support bar is provided with a bar-shaped sliding slot, the inner end of the first movable protrusion slides in the bar-shaped sliding slot, and the first movable protrusion is provided with a return spring for making the first movable protrusion have a downward movement tendency.

4. The armrest fixing structure for a scooter according to claim 2, wherein the lower end of the fixed lever is provided with a support protrusion extending outward in the circumferential direction, and the movable lever is always located above the support protrusion.

5. The armrest fixing structure for a scooter according to claim 1, wherein the upper end of the support rod has a rotation protrusion extending laterally, the armrest body has a first fitting groove opening downward and adapted to receive the upper end of the support rod, a distance of the opening at the lower end of the first fitting groove in the front-rear direction is greater than a distance of the support rod in the front-rear direction, and a second fitting groove opening downward and adapted to receive the rotation protrusion is communicated laterally with the first fitting groove.

6. The seat armrest fixing structure for the scooter according to claim 1, wherein a second movable protrusion extending laterally is provided at the rear end of the armrest body, and a second limiting protrusion extending laterally and always located at the front side or the rear side of the second movable protrusion is provided at the side of the backrest; or the backrest is provided with a second limiting groove with an opening towards the side, and one end of the second movable bulge, which is far away from the armrest body, extends into the second limiting groove.

7. The seat armrest fixing structure for the scooter according to claim 6, wherein the second limiting groove is provided in an arc shape, and one end of the second movable protrusion, which is far away from the armrest body, is located in the second limiting groove all the time.