CN216316579U

CN216316579U - Chair with liftable armrests

Info

Publication number: CN216316579U
Application number: CN202123183102.6U
Authority: CN
Inventors: 黄文恭
Original assignee: Quanzhou Auto Furniture Co ltd
Current assignee: Quanzhou Auto Furniture Co ltd
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-04-19
Anticipated expiration: 2031-12-17

Abstract

The utility model belongs to the field of machinery, in particular to a chair with liftable handrails, which comprises a main body, wherein the side of the main body is provided with a fixed rod, the outer wall of the fixed rod is provided with a rotating rod, the side of the rotating rod is provided with a supporting sleeve rod, the outer wall of the supporting sleeve rod is provided with a straight gear, the straight gear is provided with an umbrella-shaped gear at the side, the inner side of the umbrella-shaped gear is provided with a lifting screw, the end part of the lifting screw is provided with the handrails, the outer wall of the handrail is provided with a movable groove, the inner side of the movable groove is provided with a limiting slide block, the outer side of the limiting slide block is provided with a limiting groove, a translation mechanism is arranged below the main body, the outer wall of the main body is provided with a first clamping block, and the side of the first clamping block is provided with a second clamping block; the lifting screw and the translation mechanism are arranged, so that the efficiency of lifting the handrail can be improved conveniently, a user can support an object when having a rest conveniently, and the user can use the chair conveniently.

Description

Chair with liftable armrests

Technical Field

The utility model relates to the field of machinery, in particular to a chair with liftable armrests.

Background

The chair is a daily-life furniture, a seat with a backrest and armrests, and nowadays, the styles of the chair are diversified, such as an office chair, a rocking chair, a folding chair and the like. However, the armrests of the existing chairs on the market are mostly fixed in height and cannot be adjusted, so that different consumers can feel different comfort levels due to the difference of body types, and the sitting posture is incorrect and fatigue is easy to occur. If the chair works or performs other activities under the condition of improper sitting posture for a long time, the hand fatigue and the physical discomfort are easily caused, and various occupational diseases can be caused if the chair is serious, so that the chair is harmful to the human body.

The existing chair has the problems that the efficiency of lifting the armrests is not convenient to improve, a user cannot support objects during resting, and the user cannot use the chair in a combined mode.

Therefore, a chair with liftable armrests is proposed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In order to make up the defects of the prior art, the problems that the efficiency of lifting the handrails is not convenient to improve, a user has a supporting object when having a rest, and the user can not use the chair in a combined manner are solved.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model relates to a chair with a liftable armrest, which comprises a main body, wherein a fixed rod is arranged at the side of the main body, a rotating rod is arranged on the outer wall of the fixed rod, a supporting sleeve rod is arranged at the side of the rotating rod, a straight gear is arranged on the outer wall of the supporting sleeve rod, an umbrella-shaped gear is arranged at the side of the straight gear, a lifting screw is arranged at the inner side of the umbrella-shaped gear, an armrest is arranged at the end part of the lifting screw, a movable groove is formed in the outer wall of the armrest, a limiting slide block is arranged at the inner side of the movable groove, a limiting groove is formed in the outer side of the limiting slide block, a translation mechanism is arranged below the main body, a first clamping block is arranged on the outer wall of the main body, and a second clamping block is arranged at the side of the first clamping block.

Preferably, the straight gear and the bevel gear are in meshed connection, and the bevel gear and the lifting screw are in threaded connection.

Preferably, the movable groove and the limiting sliding block are connected in a nested mode, and the outer size of the limiting sliding block is matched with the inner size of the limiting groove.

Preferably, translation mechanism includes fixed groove block, movable block, inlays slider, bolt and leg pad, the avris of fixed groove block is provided with the movable block, and the inboard of fixed groove block is provided with inlays the slider, the inboard of inlaying the slider is provided with the bolt, and the avris of bolt is provided with the leg pad.

Preferably, the fixed groove block and the embedding sliding block are connected in a nested mode, the embedding sliding block and the bolt are connected in a threaded mode, and the bolt and the movable block are movably connected.

Preferably, the first engaging block and the second engaging block are connected in an engaging manner, and the first engaging block and the second engaging block have the same length.

The utility model has the advantages that:

1. the user can drive the bevel gear by rotating the straight gear, so that the lifting screw rod in threaded connection with the bevel gear rotates in the support sleeve rod, the lifting of the handrail is realized, meanwhile, the user can limit the movement of the handrail by the limiting slide block on the side of the handrail, the handrail is convenient to keep parallel with the main body when being lifted and used by the user, the user can also enable the limiting slide block to move in the movable groove by the nested connection of the limiting slide block and the movable groove, and the connection of the limiting slide block on the limiting groove can be cancelled;

2. the user can guarantee the rest quality of the user through the arrangement of the translation mechanism, the device is more practical and convenient, the user can draw out the leg pad when wanting to rest, so that the embedding slider fixedly connected with the user slides on the bolt, the embedding slider can rotate on the bolt, and the movable connection of the bolt and the movable block is also convenient for implementing the device;

3. the device can make the chair use by combining through the installation of the first block of main part avris and second block, and the user can rotate the dwang on the dead lever, is convenient for pack up the handrail, makes the chair be built-up connection under the effect of first block of block and second block.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic perspective view of the overall front view of the present invention;

FIG. 2 is a schematic perspective view of the present invention in an overall side view;

fig. 3 is a perspective view of the whole rear view of the present invention.

In the figure: 1. a main body; 2. fixing the rod; 3. rotating the rod; 4. supporting the loop bar; 5. a spur gear; 6. a bevel gear; 7. a lifting screw; 8. a handrail; 9. a movable groove; 10. a limiting slide block; 11. a limiting groove; 12. a translation mechanism; 1201. fixing the groove block; 1202. a movable block; 1203. embedding a sliding block; 1204. a bolt; 1205. a leg pad; 13. a first engaging block; 14. a second engaging block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a chair with a liftable armrest comprises a main body 1, a fixed rod 2 is disposed at a side of the main body 1, a rotating rod 3 is disposed on an outer wall of the fixed rod 2, a supporting sleeve rod 4 is disposed at a side of the rotating rod 3, a spur gear 5 is disposed on an outer wall of the supporting sleeve rod 4, an umbrella-shaped gear 6 is disposed at a side of the spur gear 5, a lifting screw 7 is disposed at an inner side of the umbrella-shaped gear 6, an armrest 8 is disposed at an end of the lifting screw 7, a movable groove 9 is disposed on an outer wall of the armrest 8, a limiting slider 10 is disposed at an inner side of the movable groove 9, a limiting groove 11 is disposed at an outer side of the limiting slider 10, a translation mechanism 12 is disposed below the main body 1, a first engaging block 13 is disposed on an outer wall of the main body 1, and a second engaging block 14 is disposed at a side of the first engaging block 13.

The straight gear 5 and the bevel gear 6 are in meshed connection, and the bevel gear 6 and the lifting screw 7 are in threaded connection; the user can drive the bevel gear 6 by rotating the straight gear 5, so that the lifting screw 7 in threaded connection with the bevel gear 6 rotates in the support sleeve rod 4, and the lifting of the handrail 8 is realized.

The movable groove 9 and the limiting slide block 10 are connected in a nested manner, and the external dimension of the limiting slide block 10 is matched with the internal dimension of the limiting groove 11; the user can be through the motion of the spacing handrail 8 of the spacing slider 10 of handrail 8 avris to be convenient for handrail 8 and main part 1 keep parallel when going up and down, the user's of being convenient for use, the user also can be through the nested connection of spacing slider 10 and activity groove 9, makes spacing slider 10 move about in activity groove 9, can cancel the connection of spacing slider 10 on spacing groove 11.

The translation mechanism 12 comprises a fixed groove block 1201, a movable block 1202, an embedded sliding block 1203, a bolt 1204 and a leg pad 1205, wherein the movable block 1202 is arranged on the side of the fixed groove block 1201, the embedded sliding block 1203 is arranged on the inner side of the fixed groove block 1201, the bolt 1204 is arranged on the inner side of the embedded sliding block 1203, and the leg pad 1205 is arranged on the side of the bolt 1204; the user can guarantee the rest quality of the user through the arrangement of the translation mechanism 12, and the device is more practical and convenient.

The fixed groove block 1201 and the embedded sliding block 1203 are arranged to be in nested connection, the embedded sliding block 1203 and the bolt 1204 are arranged to be in threaded connection, and the bolt 1204 and the movable block 1202 are arranged to be in movable connection; when a user wants to rest, he can pull out the leg pad 1205, so that the insert block 1203 fixedly connected with the leg pad slides on the bolt 1204, the insert block 1203 will rotate on the bolt 1204, and the movable connection between the bolt 1204 and the movable block 1202 is also convenient for implementing the device.

The first clamping block 13 and the second clamping block 14 are in clamping connection, and the lengths of the first clamping block 13 and the second clamping block 14 are equal; the device can make the chair be combined and used by installing the first clamping block 13 and the second clamping block 14 at the side of the main body 1, and a user can rotate the rotating rod 3 on the fixed rod 2 to be convenient for retracting the armrest 8, so that the chair is combined and connected under the action of the first clamping block 13 and the second clamping block 14.

The working principle is as follows: firstly, a user can drive the bevel gear 6 by rotating the straight gear 5, so that the lifting screw 7 in threaded connection with the bevel gear 6 rotates in the support sleeve rod 4, thereby realizing the lifting of the handrail 8, meanwhile, the user can limit the movement of the handrail 8 through the limiting slide block 10 at the side of the handrail 8, thereby being convenient for the handrail 8 to keep parallel with the main body 1 when lifting, being convenient for the use of the user, and the user can also enable the limiting slide block 10 to move in the movable groove 9 by the nested connection of the limiting slide block 10 and the movable groove 9, namely canceling the connection of the limiting slide block 10 on the limiting groove 11;

then, the user can guarantee the rest quality of the user through the arrangement of the translation mechanism 12, the device is more practical and convenient, the user can draw out the leg pad 1205 when wanting to rest, so that the embedding slider 1203 fixedly connected with the user slides on the bolt 1204, the embedding slider 1203 rotates on the bolt 1204, and the movable connection between the bolt 1204 and the movable block 1202 is convenient for the implementation of the device;

finally, the device can be combined by installing the first engaging block 13 and the second engaging block 14 at the side of the main body 1, so that the user can rotate the rotating rod 3 on the fixed rod 2 to conveniently fold the armrest 8, and the chair can be combined and connected under the action of the first engaging block 13 and the second engaging block 14.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims

1. The utility model provides a chair with liftable handrail which characterized in that: comprises a main body (1), the avris of main body (1) is provided with a fixed rod (2), the outer wall of fixed rod (2) is provided with a rotating rod (3), the avris of rotating rod (3) is provided with a supporting sleeve rod (4), the outer wall of supporting sleeve rod (4) is provided with a straight gear (5), the avris of straight gear (5) is provided with an umbrella-shaped gear (6), the inner side of umbrella-shaped gear (6) is provided with a lifting screw (7), the end part of lifting screw (7) is provided with a handrail (8), the outer wall of handrail (8) is provided with a movable groove (9), the inner side of movable groove (9) is provided with a limit slider (10), the outer side of limit slider (10) is provided with a limit groove (11), the lower part of main body (1) is provided with a translation mechanism (12), the outer wall of main body (1) is provided with a first clamping block (13), and a second clamping block (14) is arranged at the side of the first clamping block (13).

2. The chair with the liftable armrests as claimed in claim 1, wherein: straight-teeth gear (5) set up to be connected for the meshing with umbrella type gear (6), and umbrella type gear (6) set up to threaded connection with lifting screw (7).

3. The chair with the liftable armrests as claimed in claim 1, wherein: the movable groove (9) and the limiting slide block (10) are connected in a nested manner, and the external size of the limiting slide block (10) is matched with the internal size of the limiting groove (11).

4. The chair with the liftable armrests as claimed in claim 1, wherein: translation mechanism (12) are including fixed groove block (1201), movable block (1202), inlay slider (1203), bolt (1204) and leg pad (1205), the avris of fixed groove block (1201) is provided with movable block (1202), and the inboard of fixed groove block (1201) is provided with inlays slider (1203), the inboard of inlaying slider (1203) is provided with bolt (1204), and the avris of bolt (1204) is provided with leg pad (1205).

5. The chair with the liftable armrests as claimed in claim 4, wherein: the fixed groove block (1201) and the embedding sliding block (1203) are connected in a nested mode, the embedding sliding block (1203) and the bolt (1204) are connected in a threaded mode, and the bolt (1204) and the movable block (1202) are movably connected.

6. The chair with the liftable armrests as claimed in claim 1, wherein: the first clamping block (13) and the second clamping block (14) are connected in a clamping mode, and the first clamping block (13) and the second clamping block (14) are equal in length.