CN216293553U

CN216293553U - Armrest connecting structure

Info

Publication number: CN216293553U
Application number: CN202122998871.5U
Authority: CN
Inventors: 曾寒星; 黄庚华; 曾万超; 何文辉
Original assignee: Foshan Haisite Furniture Co ltd
Current assignee: Foshan Haisite Furniture Co ltd
Priority date: 2021-12-01
Filing date: 2021-12-01
Publication date: 2022-04-15
Anticipated expiration: 2031-12-01

Abstract

The utility model discloses an armrest connecting structure which comprises an armrest, a base frame, a rotating part and a limiting part, wherein the armrest is rotatably connected to the base frame through the rotating part, when the armrest rotates to a horizontal position and a vertical position, the limiting part can limit the position of the armrest, so that the armrest can be rotatably stopped at the horizontal position and the vertical position, when the armrest is rotatably stopped at the vertical position, a user can conveniently mount and dismount the armrest, and the rotating part and the limiting part are strong in structural stability.

Description

Armrest connecting structure

Technical Field

The utility model relates to the technical field of footbath chairs, in particular to a handrail connecting structure.

Background

The armrest of the existing footbath chair mostly has a rotating function, but the existing rotating structure is not stable, does not have an effective limiting function, has poor bearing performance and is easy to shake during rotation.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a handrail connecting structure, wherein a handrail can be placed horizontally and vertically, when a user sits on and sits down, the handrail is stopped at a vertical position, the user sits on and sits down conveniently, and the rotating part and the limiting part are strong in structural stability.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the handrail connecting structure comprises a handrail, a base frame, a rotating part and a limiting part, wherein the handrail is rotatably connected to the base frame through the rotating part;

when the armrest rotates to the horizontal position and the vertical position, the limiting part can limit the position of the armrest.

Therefore, the limit part can limit the rotation angle of the handrail, so that the handrail can be rotated and stopped at a flat position and a standing position, the conversion between the position and the state is realized, the handrail can be rotated and stopped at the standing position, and the upper seat and the lower seat are convenient to mount and dismount.

In some embodiments, the rotating portion includes a rotating shaft, a bushing, and a first shaft limit portion;

one end of the rotating shaft is linked with the handrail;

the other end of the rotating shaft is rotatably connected with the shaft hole of the shaft sleeve;

the first shaft limit portion can define an axial relative position between the rotating shaft and the shaft sleeve.

In some embodiments, the first shaft limiting part comprises an axial screw and a gasket, an end face of one end of the rotating shaft, which is far away from the handrail, is provided with an axial screw hole, and the axial screw penetrates through the gasket and is connected to the axial screw hole;

the gasket can be abutted against the end face of the shaft sleeve.

In some embodiments, the armrest further includes a second stop configured to define an axial position of the axial screw relative to the shaft.

In some embodiments, the second shaft limiting portion includes a radial screw hole and a radial screw, the radial screw hole is disposed on the outer circumferential surface of the rotating shaft and communicates with the axial screw hole;

the radial screw is connected to the radial screw hole, and the end face of the radial screw can be abutted against the axial screw.

In some embodiments, the shaft sleeve is further provided with a groove, the groove extends along the circumferential direction of the shaft sleeve and is communicated with the shaft hole;

the pivot is connected behind the axle sleeve, and radial screw can expose in the space of recess.

In some embodiments, a first shaft shoulder is arranged at one end of the rotating shaft close to the handrail, a disc body is connected to one end of the first shaft shoulder close to the handrail, and the disc body is connected with the handrail;

the end of the rotating shaft far away from the handrail is provided with a second shoulder, the rotating shaft is connected with the support of the base frame, and the second shoulder is propped against one side of the support far away from the handrail.

In some embodiments, the limiting portion comprises an arc groove and a bump;

one end of the rotating shaft, which is close to the handrail, is provided with a first shaft shoulder, the end face of the first shaft shoulder, which is close to the shaft sleeve, is provided with an arc groove, and the end face of the rotating shaft, which is close to the first shaft shoulder, is provided with a convex block.

In some embodiments, the base frame is provided with a bearing sheet, and when the armrest rotates to the flat position, the bottom of the armrest can be abutted against the bearing sheet.

The utility model has the beneficial effects that: the handrail can be placed horizontally and placed vertically, and when a user sits on the handrail, the handrail can be stopped at the vertical position, so that the handrail is convenient to sit on the handrail;

and, the simple and ingenious combination of structure of rotation portion and spacing portion improves the steadiness of rotating the connection, also does benefit to the compactness and the miniaturization of structure.

Drawings

Fig. 1 is a structural view of the armrest coupling structure of the present invention, in which the armrest is in a laid-flat position;

fig. 2 is a structural view of the armrest coupling structure of the present invention, in which the armrest is in an upright position;

fig. 3 is an isometric view of the armrest connection structure of the present invention;

fig. 4 is an exploded view of the rotating part of the present invention, in which the armrest is omitted;

FIG. 5 is an enlarged view of a portion of FIG. 4 at A;

FIG. 6 is another exploded view of the rotating portion of the present invention, with the armrest omitted;

FIG. 7 is a partial enlarged view of FIG. 6 at B;

fig. 8 is a structural view of the base frame of the present invention;

wherein: 1-a handrail; 2-a rotating part; 21-a rotating shaft; 211-axial screw hole; 212-radial screw hole; 213-first shoulder; 22-shaft sleeve; 221-shaft hole; 222-a groove; 223-second shoulder; 23-a tray body; 24-axial screw; 25-a gasket; 26-radial screws; 3-a limiting part; 31-arc groove; 32-bumps; 4-a base frame; 41-putting on shelves; 411-support; 412-a support sheet; 413-a drive section; and 42, descending the shelf.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 to 8, the handrail connecting structure includes a handrail 1, a base frame 4, a rotating portion 2 and a limiting portion 3, wherein the handrail 1 is rotatably connected to the base frame 4 through the rotating portion 2;

when the armrest 1 is rotated to the horizontal position and the vertical position, the stopper 3 can limit the position of the armrest 1.

The armrest 1 is applicable to a chair such as a footbath chair, and the armrest 1 is capable of rotating between a horizontal position, which is understood to be a position where the armrest 1 is placed horizontally, but not limited to being completely or absolutely horizontal, and may be approximately horizontal, and a vertical position, which is understood to be a position where the armrest 1 is placed vertically, but not limited to being completely or absolutely vertical, and may be approximately vertical, and it is understood that the rotation angle of the armrest 1 should be approximately 90 degrees.

The limiting part 3 can limit the rotation angle of the armrest 1, so that the armrest 1 can be rotatably stopped at a horizontal position and a vertical position to realize the conversion between the position and the state, the armrest can be conveniently placed by hands when being at the horizontal position, and the armrest can be conveniently placed when being at the vertical position.

Further, the rotating part 2 includes a rotating shaft 21, a shaft sleeve 22 and a first shaft limiting part;

one end of the rotating shaft 21 is linked with the handrail 1;

the other end of the rotating shaft 21 is rotatably connected with a shaft hole 221 of the shaft sleeve 22;

the first axial limit portion can define an axial relative position between the rotation shaft 21 and the sleeve 22.

Further, the first shaft limiting part comprises an axial screw 24 and a gasket 25, an axial screw hole 211 is formed in the end surface of one end, away from the handrail 1, of the rotating shaft 21, and the axial screw 24 penetrates through the gasket 25 and is connected to the axial screw hole 211;

the washer 25 can abut against the end surface of the boss 22.

The outer diameter of the washer 25 is larger than the diameter of the shaft hole 221, so that the washer 25 can abut against the end surface of the shaft sleeve 22 to define the axial relative position between the rotating shaft 21 and the shaft sleeve 22.

To explain, in order to make the rotation between the rotating shaft 21 and the shaft sleeve 22 have a certain damping effect, a rubber pad 27 is disposed between the washer 25 and the shaft sleeve 22, so that the shaking during the rotation can be reduced.

Further explaining, the armrest 1 further comprises a second limit portion capable of defining an axial position of the axial screw 24 relative to the rotary shaft 21. The axial screw 24 is connected with the rotating shaft 21 through a thread structure, loosening exists, the position of the axial screw 24 is further limited by the second shaft limiting part, and the connection stability is improved.

Further, the second shaft limiting portion includes a radial screw hole 212 and a radial screw 26, the radial screw hole 212 is disposed on the outer peripheral surface of the rotating shaft 21 and is communicated with the axial screw hole 211;

the radial screw 26 is connected to the radial screw hole 212, and an end surface of the radial screw 26 can abut against the axial screw 24.

The radial screw 26 extends to the axial screw hole 211 along the radial direction of the rotating shaft 21, and after the axial screw 24 is assembled in place, the radial screw 26 is screwed into the radial screw hole 212, and the end face of the radial screw 26 is urged against the axial screw 24, so that the axial screw 24 is prevented from loosening.

Further, the shaft sleeve 22 is further provided with a groove 222, and the groove 222 extends along the circumferential direction of the shaft sleeve 22 and is communicated with the shaft hole 221;

after the shaft 21 is connected to the sleeve 22, the radial screw hole 212 can be exposed to the space of the groove 222.

The groove 222 provides a clearance space for the radial screw 26 to connect with the radial screw hole 212, and after the rotating shaft 21 is assembled on the shaft sleeve 22, the position of the radial screw hole 212 is just in the space of the groove 222, so that the radial screw 26 can pass through the groove 222 and be screwed into the radial screw hole 212, and the arrangement is also beneficial to the connection structure of the rotating shaft 21 and the shaft sleeve 22 to be more compact and more miniaturized.

Further, a first shaft shoulder 213 is arranged at one end of the rotating shaft 21 close to the armrest 1, a tray body 23 is connected to one end of the first shaft shoulder 213 close to the armrest 1, and the tray body 23 is connected to the armrest 1;

the end of the rotating shaft 21 away from the armrest 1 is provided with a second shoulder 223, the rotating shaft 21 is connected to the support 411 of the base frame 4, and the second shoulder 223 abuts against the side of the support 411 away from the armrest.

The first shoulder 213 can define the axial position of the shaft 21 and the second shoulder 223 can define the axial position of the sleeve 22.

Further, the limiting part 3 comprises an arc groove 31 and a bump 32;

the end of the rotating shaft 21 close to the armrest 1 is provided with a first shoulder 213, the end surface of the first shoulder 213 close to the shaft sleeve 22 is provided with an arc groove 31 extending in an arc direction, and the end surface of the rotating shaft 21 close to the first shoulder 213 is provided with a protrusion 32.

The edge part of the end face of the first shaft shoulder 213 is provided with an arc groove 31, the edge part of the end face of the rotating shaft 21 is provided with a convex block 32, the convex block 32 can move relatively along the arc groove 31, when the convex block 32 moves to the end part of the arc groove 31, the armrest 1 can be limited in a flat position and a standing position, rotation limitation is realized through the cooperation of the arc groove 31 and the convex block 32, certain guiding effect is achieved, the rotating stability is improved, in addition, the bearing capacity of the limiting structure of the arc groove 31 and the convex block 32 is better, and the bearing capacity of the armrest is improved.

Further, the base frame 4 is provided with a supporting plate 412, and when the armrest 1 rotates to the flat position, the bottom of the armrest 1 can be abutted against the supporting plate 412. The supporting piece 412 can improve the bearing force of the armrest 1 in the flat position, and specifically, the supporting piece 412 may be disposed on one side of the upper frame 41 of the base frame 4.

To explain further, the base frame 4 includes an upper frame 41 and a lower frame 42, the upper frame 41 is slidably connected to the lower frame 42, and the armrest 1 is rotatably connected to the upper frame 41.

The upper frame 41 is provided with a support 411, the support 411 is a vertically placed pipe structure, the support 411 is provided with a mounting hole, the shaft sleeve 22 is assembled in the mounting hole, and the second shoulder 223 of the shaft sleeve 22 abuts against the side surface of the support 411.

The upper frame 41 and the lower frame 42 can slide relative to each other through a rail structure, wherein the position of the upper frame 41 can be adjusted through the driving part 413, the driving part 413 can be an air cylinder or an electric push rod, one end of the air cylinder or the electric push rod is connected to the lower frame 42, and the other end of the air cylinder or the electric push rod is connected to the upper frame 41.

The foregoing disclosure discloses only some embodiments of the utility model. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept herein, and it is intended to cover all such modifications and variations as fall within the scope of the utility model.

Claims

1. The handrail connecting structure is characterized by comprising a handrail (1), a base frame (4), a rotating part (2) and a limiting part (3), wherein the handrail (1) is rotatably connected to the base frame (4) through the rotating part (2);

when the handrail (1) rotates to a horizontal position and a vertical position, the limiting part (3) can limit the position of the handrail (1);

the rotating part (2) comprises a rotating shaft (21) and a shaft sleeve (22);

spacing portion (3) are including arc groove (31) and lug (32) of mutually supporting, pivot (21) are equipped with arc groove (31), axle sleeve (22) are equipped with lug (32).

2. The handrail connection structure according to claim 1, wherein the rotating portion (2) includes a first shaft limiting portion;

one end of the rotating shaft (21) is linked with the handrail (1);

the other end of the rotating shaft (21) is rotatably connected with a shaft hole (221) of the shaft sleeve (22);

the first bearing section can define an axial relative position between the rotary shaft (21) and a bushing (22).

3. The handrail connecting structure according to claim 2, wherein the first shaft limiting part comprises an axial screw (24) and a washer (25), an end surface of the rotating shaft (21) at an end far away from the handrail (1) is provided with an axial screw hole (211), and the axial screw (24) passes through the washer (25) and is connected to the axial screw hole (211);

and a rubber pad (27) is arranged between the gasket (25) and the shaft sleeve (22).

4. The handrail connection structure according to claim 3, further comprising a second axial limit portion capable of defining an axial relative position of the axial screw (24) and the rotary shaft (21).

5. The handrail connecting structure according to claim 4, wherein the second axial limit portion includes a radial screw hole (212) and a radial screw (26), the radial screw hole (212) being provided on an outer peripheral surface of the rotary shaft (21) and communicating with the axial screw hole (211);

the radial screw (26) is connected to the radial screw hole (212), and an end surface of the radial screw (26) can abut against the axial screw (24).

6. The armrest connecting structure according to claim 5, wherein the boss (22) is further provided with a groove (222), the groove (222) extending along a circumferential direction of the boss (22) and communicating with the shaft hole (221);

after the rotating shaft (21) is connected to the shaft sleeve (22), the radial screw hole (212) can be exposed in the space of the groove (222).

7. The handrail connecting structure according to claim 6, wherein a first shoulder (213) is provided at an end of the rotating shaft (21) close to the handrail (1), a disc body (23) is connected to an end of the first shoulder (213) close to the handrail (1), and the disc body (23) is connected to the handrail (1);

one end, far away from handrail (1), of rotating shaft (21) is provided with a second shoulder (223), rotating shaft (21) is connected to support (411) of bed frame (4), and second shoulder (223) supports against one side, far away from handrail (1), of support (411).

8. The handrail connecting structure according to any one of claims 1 to 7, wherein a first shoulder (213) is provided at an end of the rotating shaft (21) close to the handrail (1), the arc groove (31) is provided at an end surface of the first shoulder (213) close to the shaft sleeve (22), and the protrusion (32) is provided at an end surface of the rotating shaft (21) close to the first shoulder (213).

9. The handrail connection structure according to claim 8, wherein the base frame (4) is provided with a support piece (412), and when the handrail (1) rotates to the flat position, the bottom of the handrail (1) can abut against the support piece (412).

10. The handrail connection structure according to claim 9, wherein the base frame (4) includes an upper frame (41) and a lower frame (42), the upper frame (41) is slidably connected to the lower frame (42), and the handrail (1) is rotatably connected to the upper frame (41).