阅读说明：本技术 座椅扶手支撑垫角度调整结构 (Angle adjusting structure for supporting pad of armrest of chair ) 是由 朱家田 潘冬春 于 2019-03-05 设计创作，主要内容包括：本发明公开了一种座椅扶手支撑垫角度调整结构,包括一接合柱、一定位块、一支撑垫,该接合柱下方与座椅主体接合,上方具有一下接合面,该下接合面具有一容置槽、一枢槽、至少一限位槽,该枢槽中央具有一接合孔；又该定位块由具弹性材料制造,并设于接合柱的容置槽内,又设置可上、下挠性位移动作的弹片部,该弹片部上方凸设一定位体；又该支撑垫具一底座,该底座下方对应接合柱的下接合面位置设置上接合面,该上接合面对应接合柱的枢槽位置设置枢柱,该枢柱中央设置接合孔,又设置多个分布于不同角度位置并可与定位体接合的定位槽；又于上接合面设置可于限位槽动作的限位体；借此本发明可具较佳调整支撑垫角度稳定性。(The invention discloses an angle adjusting structure of a supporting pad of a seat armrest, which comprises a joint column, a positioning block and a supporting pad, wherein the lower part of the joint column is jointed with a seat main body, the upper part of the joint column is provided with a lower joint surface, the lower joint surface is provided with a containing groove, a pivot groove and at least one limiting groove, and the center of the pivot groove is provided with a joint hole; the positioning block is made of elastic material and is arranged in the containing groove of the joint column, and is also provided with a spring plate part which can move up and down flexibly, and a positioning body is convexly arranged above the spring plate part; the supporting pad is provided with a base, an upper joint surface is arranged below the base corresponding to the lower joint surface of the joint post, a pivot post is arranged on the upper joint surface corresponding to the pivot groove of the joint post, the center of the pivot post is provided with a joint hole, and a plurality of positioning grooves which are distributed at different angle positions and can be jointed with the positioning body are also arranged; a limiting body which can act on the limiting groove is arranged on the upper joint surface; therefore, the invention has better stability of adjusting the angle of the supporting pad.)

1. The utility model provides a seat armrest supporting pad angular adjustment structure which characterized in that includes:

the lower part of the joint column is jointed with the seat main body, the top end of the joint column is provided with a lower joint surface, the lower joint surface is provided with an accommodating groove, a pivot groove and at least one limiting groove, and the center of the pivot groove is provided with a joint hole;

a positioning block made of elastic material, arranged in the accommodating groove of the joint column and provided with a spring plate part capable of flexibly moving up and down, and a positioning body is convexly arranged above the spring plate part;

a supporting pad with a base, an upper joint surface is arranged under the base corresponding to the lower joint surface of the joint post, a pivot post is arranged on the upper joint surface corresponding to the pivot groove of the joint post, a joint hole is arranged in the center of the pivot post, and the supporting pad can be inserted into the joint hole combination of the joint post by a joint component; a plurality of positioning grooves which are distributed at different angle positions and can be jointed with the positioning body are arranged on the upper jointing surface corresponding to the positioning body; and a limiting body which can act on the limiting groove is arranged at the position of the upper joint surface corresponding to the limiting groove.

2. The structure of claim 1, wherein the angular adjustment of the support pad comprises: the pivot groove of the joint column is arranged at the rear position of the containing groove, an arc-shaped rear limiting groove is arranged in front of the pivot groove, and an arc-shaped front limiting groove is arranged in front of the containing groove; the support pad is provided with a rear limiting body which can act in the rear limiting groove in front of the pivot column of the upper joint surface, and a front limiting body which can move in the front limiting groove is arranged in the front of the upper joint surface corresponding to the front limiting groove of the joint column, and the front limiting body and the rear limiting body can respectively abut against the side walls of the front limiting groove and the rear limiting groove to limit the maximum pivot angle of the support pad.

3. The structure of claim 1, wherein the angular adjustment of the support pad comprises: the supporting pad also comprises an upper cover, a through hole which can be inserted into the joint component is arranged above the base corresponding to the joint hole, and a plurality of inserting columns are arranged above the base; and the lower part of the upper cover is provided with a slot which can be jointed with the inserted column.

Technical Field

The invention relates to an angle adjusting structure of a supporting pad of a seat armrest, in particular to an angle adjusting structure of a supporting pad of a seat armrest with a stable angle structure of an adjustable supporting pad of a seat armrest.

Background

In a conventional seat, armrests are generally disposed on two sides of the seat, and the armrests support the front arms to improve the riding comfort, and a joint column capable of being jointed with the seat body is disposed below the armrests.

However, the supporting pad with a fixed angle cannot support the forearm in the direction of the forearm because the user's sitting posture is different and the forearm angle of the user is different when he/she is resting or doing other work such as typing or doing other work.

The bottom of the supporting pad is pivoted with the joint post, and the supporting pad can be pivoted to the joint post to adjust the angle, however, the supporting pad cannot be stably assembled on the joint post and cannot stably position the angle of the supporting pad when the pivoting force is large due to poor assembly stability.

Disclosure of Invention

The invention aims to provide an angle adjusting structure for a supporting pad of a seat armrest, which can adjust the angle of the supporting pad and has better stability.

To achieve the above object, the present invention adopts the following technical means.

An angle adjusting structure of a supporting pad of a chair armrest comprises a joint column, a positioning block and a supporting pad, wherein the lower part of the joint column is jointed with a chair main body, the top end of the joint column is provided with a lower joint surface, the lower joint surface is provided with an accommodating groove, a pivot groove and at least one limiting groove, and the center of the pivot groove is provided with a joint hole; the positioning block is made of elastic material, is arranged in the containing groove of the joint column, is also provided with a spring sheet part which can move up and down flexibly, and a positioning body is convexly arranged above the spring sheet part; the support pad is provided with a base, an upper joint surface is arranged below the base corresponding to the lower joint surface of the joint post, a pivot post is arranged on the upper joint surface corresponding to the pivot groove of the joint post, a joint hole is arranged in the center of the pivot post, and the joint assembly can be used for inserting the support pad and the joint hole combination of the joint post; a plurality of positioning grooves which are distributed at different angle positions and can be jointed with the positioning body are arranged on the upper jointing surface corresponding to the positioning body; and a limiting body which can act on the limiting groove is arranged at the position of the upper joint surface corresponding to the limiting groove.

Furthermore, the pivot groove of the joint column is arranged at the rear position of the containing groove, an arc-shaped rear limiting groove is arranged in front of the pivot groove, and an arc-shaped front limiting groove is arranged in front of the containing groove; the support pad is provided with a rear limiting body which can act in the rear limiting groove in front of the pivot column of the upper joint surface, and a front limiting body which can move in the front limiting groove is arranged in the front of the upper joint surface corresponding to the front limiting groove of the joint column, and the front limiting body and the rear limiting body can respectively abut against the side walls of the front limiting groove and the rear limiting groove to limit the maximum pivot angle of the support pad.

Furthermore, the supporting pad also comprises an upper cover, a through hole which can be inserted into the joint component is arranged above the base corresponding to the joint hole, and a plurality of inserting columns are arranged above the base; the lower part of the upper cover is provided with a slot which can be jointed with the inserted column.

Through the technical scheme, after the combination, the joint column is jointed with the supporting pad through the lower joint surface and the upper joint surface with large area, so that the combination stability is better, the handrail is pivoted by the joint column and the pivot groove, the front and the rear direction are respectively jointed with the front and the rear limiting grooves through the front and the rear limiting bodies, the central position is jointed with the positioning groove through the positioning body, so that the handrail can be evenly stressed and supported to have better combination stability, the positioning block is made of better flexible materials, so that the positioning body and the positioning groove can have better positioning stability, the side walls of the front and the rear limiting grooves can provide a block to ensure that the supporting pad cannot excessively rotate and deviate during the rotation operation, and the handrail has better action stability and service life.

Drawings

Fig. 1 is an exploded view of the present invention.

Fig. 2 is an assembled perspective view of the present invention.

Fig. 3 is an assembled cross-sectional view of the present invention.

Fig. 4 is an assembled top view of the present invention.

Fig. 5 is a schematic view illustrating the adjustment of the angle of the support pad according to the present invention.

[ notation ] to show

1 joint column 11 lower joint surface 12 containing groove

13 the pivot slot 14 is connected with the rear limiting slot of the hole 15

16 front limit groove

2 positioning block 21 elastic piece part 22 positioning body

3 support pad 31 base 311 upper joint surface

312 Pivot post 313 engages hole 314 through hole

315 engagement assembly 316 rear retainer 317 front retainer

318 positioning slot 319 column 32 upper cover

321, and a slot.

Detailed Description

Referring to fig. 1 to 4, the present invention includes a joint post 1, a positioning block 2, and a supporting pad 3, wherein the lower portion of the joint post 1 is connected to a seat main body (not shown), the upper portion thereof has a lower joint surface 11, the center of the lower joint surface 11 has an accommodating groove 12, the rear portion of the accommodating groove 12 has a pivot groove 13, the center of the pivot groove 13 has a joint hole 14, an arc rear limiting groove 15 is disposed in front of the pivot groove 13, and an arc front limiting groove 16 is disposed in front of the accommodating groove 12.

The positioning block 2 is made of elastic material, and is arranged in the containing groove 12 of the joint column 1, and is also provided with a spring plate part 21 which can move up and down flexibly, and a positioning block 22 is arranged above the spring plate part 21 in a protruding way.

The support pad 3 has a base 31, an upper cover 32, the lower of the base 31 is provided with an upper joint surface 311 corresponding to the lower joint surface 11 of the joint post 1, the upper joint surface 311 is provided with a pivot post 312 corresponding to the pivot groove 13 of the joint post 1, the center of the pivot post 312 is provided with a joint hole 313, the upper of the base 31 is provided with a through hole 314 corresponding to the joint hole 313, a joint component 315 can be inserted into the through hole 314 and the joint hole 313 of the support pad 3 to be combined with the joint hole 14 of the joint post 1, the front of the pivot post 312 is provided with a rear limit body 316 capable of acting on the rear limit groove 15, the front of the upper joint surface 311 is provided with a front limit body 317 capable of displacing in the front limit groove 16 corresponding to the front limit groove 16, the front and rear limit bodies 317, 316 can respectively abut against the side walls of the front and rear limit grooves 16, 15 to limit the maximum pivot angle of the support pad 3, and the upper joint surface 22 is provided with a plurality of positioning grooves 318 distributed at different angle positions, a plurality of insert posts 319 are arranged above the base 31; the top cover 32 is provided with a plurality of slots 321 on the bottom surface for engaging the posts 319.

When the invention is assembled, the positioning block 2 can be arranged in the containing groove 12 of the joint column 1, the positioning body 22 faces upwards, the base 31 of the supporting pad 3 is separated from the upper cover 32, and the lower joint surface 11 is abutted against the upper joint surface 311, and the pivot column 312 can be inserted into the pivot groove 13, the front and rear retainers 317, 316 can be inserted into the front and rear retaining grooves 16, 15 respectively, and the engaging member 315 can be inserted through the through hole 314 and the engaging hole 313 of the base 31 to engage with the engaging hole 14 of the engaging post 1, so that the retainer 22 can engage with a retaining groove 318 corresponding to the central position, and the upper cover 32 can cover the base 31 to engage the slot 321 with the engaging post 319 to complete the assembly, thereby facilitating the assembly and making the armrest have a better overall tactile sensation, the positioning block 2 of the present invention is an independent component with light volume, which can reduce cost and can be made of materials with better elasticity and difficult fracture so as to have better service life.

After the combination of the present invention, the joint column 1 and the supporting pad 3 are jointed by the large area of the lower and upper joint surfaces 11, 311, which can have better combination stability, the pivot column 312 is jointed with the pivot groove 13, the front and back direction of the armrest is jointed with the front and back limiting grooves 16, 15 by the front and back limiting bodies 317, 316, respectively, and the central position can be jointed by the positioning body 22 and the positioning groove 318, which can be evenly stressed and supported to have better combination stability, and can prevent the supporting pad 3 from deviating when the arm is placed above the supporting pad 3.

Referring to fig. 3-5, the supporting pad 3 of the present invention can adjust the angle in accordance with the position of the forearm of the rider, the elastic sheet portion 21 of the positioning block 2 can flexibly move up and down when the supporting pad 3 pivots in correspondence to the engaging post 1, and the positioning body 22 can engage with the positioning slots 318 with different angles, and the pivoting post 312 can pivot in the pivoting slot 13 when the supporting pad 3 pivots, and the engaging assembly 315 can also improve the strength of the pivoting position; when the support pad 3 pivots, the front and rear direction of the pivot position is engaged with the front and rear limiting grooves 16, 15 by the front and rear limiting bodies 317, 316, so as to have better motion stability.

The positioning block 2 of the present invention is made of a flexible material, so that the positioning body 22 and the positioning groove 318 can have a better positioning stability, and the side walls of the front and rear limiting grooves 16, 15 can provide a stop against the front and rear limiting bodies 317, 316, so as to ensure that the supporting pad 3 will not excessively rotate and shift, and have a better operation stability and a longer service life.

In summary, the present invention has better assembling reliability and supporting and positioning stability, and the foregoing embodiments are illustrative of the present invention and not limiting, and all equivalent changes according to the spirit of the present invention should fall within the scope of the present invention. Although specific embodiments have been described for illustrative purposes, many modifications and variations are possible without departing from the scope of the invention, which is defined in the appended claims.