CN220124318U - Chair armrest - Google Patents

Abstract

The utility model discloses a seat armrest, which comprises a seat main body, wherein an armrest box is fixedly arranged on one side of the seat main body, a cover plate is rotatably arranged at the top of the armrest box, a lifting table plate assembly is hidden in the armrest box, and a supporting assembly for supporting the lifting table plate assembly is arranged in the armrest box. When a user needs to use the table plate, the cover plate is opened, the lifting table plate assembly is taken out from the armrest box and unfolded, the supporting assembly is unfolded at the same time and can support the lifting table plate assembly, the height of the lifting plate can be properly adjusted according to the use requirement of the user, the lifting plate can be adjusted without being adjusted when the user does not need to adjust the lifting plate, the table plate is directly used, when the user does not use the table plate any more, the cover plate is opened, then the table plate is rotated to one side of the armrest box, the table plate is placed into the armrest box, and the cover plate is covered, so that the storage of the lifting table plate assembly is completed.

Description

Chair armrest

Technical Field

The utility model relates to the technical field of seats, in particular to a seat armrest.

Background

The seat is a seat with a backrest and armrests, and can be classified into an aluminum alloy seat, a stainless steel seat, an iron seat, a wooden seat, and other material seats according to materials, and can be classified into an airport seat, an automobile seat, a bus seat, a family seat, a restaurant seat, a child safety seat, a leisure seat and the like according to use scenes, especially on some long-distance vehicles such as high-speed rails, the comfort and the practicability of the seat are higher, and therefore the functions of the seat are required to be expanded.

In the prior art, a seat armrest and a seat with cup holders, which are disclosed as CN211748248U, comprise an armrest body and a cup holder lining, wherein the armrest body comprises a first armrest body and a second armrest body, the front end of the first armrest body is bent downwards and is continuously bent backwards and horizontally extends to form a supporting plate, and the supporting plate and the first armrest body are arranged in parallel; a semicircular hole longitudinally penetrating up and down is reserved on the first handrail body, and the first handrail body and the second handrail body are arranged as two parts which are bilaterally symmetrical; the saucer lining is set into hollow sleeve, and the saucer lining is placed to the semicircle hole position that first handrail body and second handrail body were reserved, uses the bolt to connect first handrail body and second handrail body and fasten, when connecting the fastening, saucer lining also links as an organic wholely with first handrail body and second handrail body simultaneously. The assembling process of the seat armrest is simple, convenient and easy to operate, and can meet the design of more appearance modeling components and large-scale mass production after the modeling design is finished. However, the prior art still has great disadvantages, such as:

1. in the device and the prior art, the hollow sleeve is arranged at the handrail for fixing the water cup, but the articles carried by people are not only the water cup when people travel daily, so that the requirements of people on places for preventing the articles are higher, and the more functions the seat can develop are required to be expanded;

2. at present, the popularity of electronic products such as mobile phones, tablet computers, notebook computers and the like is very high, and desk boards are arranged on some seats, but in the actual use process, when users with different heights place the electronic products such as the notebook computers, the tablet computers, the mobile phones and the like on the desk boards, the requirements on the height of the desk boards are different, the electronic products are always kept in the same posture, and the electronic products are used in irregular postures for a long time, so that the cervical vertebra and lumbar vertebra are ache.

3. The table plate developed by the chair armrests in the prior art is generally fixed on one side of the armrests through a hinge, and the table plate far away from one side of the armrests is possibly bent or even broken after being used for a long time due to lack of support.

Disclosure of Invention

The present utility model is directed to a chair armrest, which solves the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the seat armrest comprises a seat main body, an armrest is fixedly arranged on one side of the seat main body, an armrest box is fixedly arranged on the other side of the seat main body, and a cover plate is rotatably arranged on the top of the armrest box.

The handrail case is inside to be hidden and is provided with lift table subassembly, just the handrail incasement portion is provided with the supporting component who is used for supporting lift table subassembly, works as lift table subassembly takes out from the handrail case and when expanding, supporting component expands simultaneously and supports lift table subassembly.

Preferably, the lifting table plate assembly comprises a movable block rotationally connected with the armrest box, a connecting plate is rotationally arranged above the movable block, two guide rails are fixedly arranged above the connecting plate, a table plate is slidably arranged above the connecting plate, two sliding grooves are fixedly arranged below the table plate, and the guide rails slide in the sliding grooves;

two connecting blocks are arranged above the table plate, lifting bars are rotatably arranged on the two connecting blocks, and lifting plates are rotatably arranged on the two lifting bars.

Preferably, a driving gear is fixedly arranged on one side, close to the seat main body, of the movable block, and the driving gear is rotationally connected with the inner wall of the armrest box;

the handrail box is characterized in that a rotating shaft is fixedly arranged on the inner wall of the handrail box, a driven gear meshed with the driving gear is rotatably arranged on the rotating shaft, and a first sliding block is fixedly arranged on the driven gear at an eccentric position.

Preferably, the support assembly comprises a fixed plate fixedly arranged on the inside of the armrest box, a first guide groove is formed in the fixed plate, a second sliding block is movably arranged in the first guide groove, a support rod is movably arranged on the fixed plate, the second sliding block is fixedly arranged at one end, close to the fixed plate, of the support rod, and an L-shaped ejector rod is rotatably arranged in the middle of the support rod;

the handrail box is characterized in that a guide sleeve is fixedly arranged on the inner side of the handrail box, the L-shaped ejector rod is arranged in the guide sleeve in a sliding mode, a second guide groove is transversely formed in the L-shaped ejector rod, and the first sliding block is arranged in the second guide groove in a sliding mode.

Preferably, a bar-shaped groove is formed in the armrest box, and a through groove is formed below the bar-shaped groove.

Preferably, a protective sleeve is fixedly arranged at one end, far away from the second sliding block, of the supporting rod.

Preferably, a square groove for one end of the supporting rod to movably extend into is formed below the connecting plate, and the square groove does not penetrate through the connecting plate.

Preferably, a cup groove is formed in the surface of the lifting plate, and a first limiting block is arranged on one side, close to the seat main body, of the lifting plate.

Preferably, the end parts of the two sliding grooves are provided with second limiting blocks.

Preferably, a third limiting block is fixedly arranged on the movable block.

Compared with the prior art, the utility model has the beneficial effects that:

1. through the arrangement of the lifting table plate assembly, the functions of the seat armrests can be expanded, more comfortable and convenient experience can be brought to users, and when the table plate is not needed to be used, the users can store the table plate into the armrest box;

2. through the arrangement of the supporting components, when the lifting table plate component is taken out from the armrest box, the supporting components are unfolded at the same time to support the lifting table plate component, so that the table plate is supported and fixed more firmly;

3. through the arrangement of the lifting plate, a user can adjust the height of the lifting plate according to the requirements, so that the use requirements of different people on different desk heights are met;

in the using process, an operator firstly opens the cover plate on the armrest box, takes the lifting table plate assembly out of the armrest box, rotates the table plate towards the seat main body when the table plate is in a vertical state, enables the table plate to be in a horizontal state, covers the cover plate, adjusts the height of the lifting plate according to the using requirement of the user, and can directly use the table plate without adjusting the lifting plate when the lifting plate is not required to be adjusted;

when the user leaves the seat or does not use the desk plate any more, if the lifting plate is not attached to the desk plate, the lifting plate is attached to the desk plate, the cover plate on the armrest box is opened, then the desk plate is rotated to one side of the armrest box, when the desk plate is in a vertical state, the desk plate is placed in the armrest box, and the cover plate is covered, so that the storage of the lifting desk plate assembly is completed.

Drawings

FIG. 1 is a perspective view of the overall structure of the present utility model;

figure 2 is an expanded perspective view of the integrally constructed table of the present utility model;

FIG. 3 is a schematic perspective view of a lifting table assembly and a support assembly according to the present utility model;

FIG. 4 is a schematic perspective view of a support assembly according to the present utility model;

FIG. 5 is a schematic perspective view of a support assembly according to the present utility model;

FIG. 6 is a schematic perspective view of a bar-shaped groove of the present utility model;

FIG. 7 is a schematic perspective view of a support rod and a protective sleeve according to the present utility model;

FIG. 8 is a schematic view of the connection position of the L-shaped ejector rod and the support rod;

FIG. 9 is a schematic perspective view of a support bar and a first guide slot according to the present utility model;

FIG. 10 is a schematic perspective view of a connecting plate according to the present utility model;

fig. 11 is a schematic perspective view of a table according to the present utility model.

In the figure: 1. a seat main body; 2. an armrest; 3. a handrail box; 4. a cover plate; 5. a movable block; 6. a connecting plate; 7. a guide rail; 8. a table plate; 9. a chute; 10. a connecting block; 11. lifting bars; 12. a lifting plate; 13. a drive gear; 14. a rotating shaft; 15. a driven gear; 16. a first slider; 17. a fixing plate; 18. a first guide groove; 19. a second slider; 20. a support rod; 21. an L-shaped ejector rod; 22. guide sleeve; 23. a second guide groove; 24. a bar-shaped groove; 25. a through groove; 26. a protective sleeve; 27. a square groove; 28. a water cup groove; 29. a first limiting block; 30. a second limiting block; 31. and a third limiting block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-11, the present utility model provides a technical solution:

embodiment one:

the utility model provides a seat armrest, including seat main part 1, seat main part 1 one side is fixed to be provided with handrail 2, the handrail 2 in this embodiment is fixed to be provided with handrail case 3 in the left side of seat main part 1, the last bar groove 24 of seting up of handrail case 3, bar groove 24 in this embodiment is used for accomodating hidden bracing piece 20, the logical groove 25 has been seting up to bar groove 24 below, bracing piece 20 passes logical groove 25, handrail case 3 inboard is fixed to be provided with guide pin bushing 22, L shape ejector pin 21 slides and sets up in guide pin bushing 22, L shape ejector pin 21 transversely has seted up second guide slot 23, first slider 16 slides and sets up in second guide slot 23. The top of the armrest box 3 is rotatably provided with a cover plate 4, the cover plate 4 in this embodiment being used to support the elbow of the user.

The lifting table plate component is hidden inside the armrest box 3, and the supporting component for supporting the lifting table plate component is arranged inside the armrest box 3, and when the lifting table plate component is taken out from the armrest box 3 and unfolded, the supporting component is unfolded simultaneously to support the lifting table plate component.

The lifting desk plate assembly comprises a movable block 5 rotationally connected with the armrest box 3, a third limiting block 31 is fixedly arranged on the movable block 5, the third limiting block 31 in the embodiment is used for limiting the rotation angle of the connecting plate 6, the lifting desk plate assembly is prevented from rotating to one side of the principle seat main body 1, the connecting plate 6 is rotationally arranged above the movable block 5, and a square groove 27 for the movable extension of one end of the supporting rod 20 is formed below the connecting plate 6.

The fixed two guide rails 7 that are provided with in connecting plate 6 top, connecting plate 6 top slip is provided with table 8, and table 8 four corners in this embodiment need advance the fillet, prevents to cause and snag and scratch to the user, and table 8 below is fixed and is provided with two spouts 9, and guide rail 7 slides in spout 9, and the tip of two spouts 9 all is equipped with second stopper 30, and second stopper 30 in this embodiment is used for preventing that table 8 and guide rail 7 break away from, also uses to fix a position table 8.

The desk top 8 top is provided with two connecting blocks 10, rotate on two connecting blocks 10 and be provided with lifter 11, can adjust the angle between them according to user's demand between connecting block 10 and the lifter 11 in this embodiment, need design great damping between connecting block 10 and the lifter 11, can add the rubber that is used for the antiskid between the two, prevent lifter 11 because outside vibrations and produce unnecessary rotation, rotate on two lifter 11 and be provided with lifter plate 12, lifter 11 and lifter plate 12 in this embodiment can adjust the angle of two according to user's demand, need design great damping between lifter 11 and the lifter plate 12, can add the rubber that is used for the antiskid between the two, prevent lifter plate 12 because outside vibrations produce unnecessary rotation, lifter plate 12 four corners need advance the chamfer, prevent to cut off the staff and set up water cup 28 on the lifter plate 12 surface, the diameter of water cup 28 in this embodiment can set up to the diameter of most water cups in the market, lifter plate 12 is provided with first embodiment 29 that is arranged in the stopper that is close to user's demand, first embodiment 29 is used for preventing that the stopper from falling on the first seat 12 from falling, this embodiment 29 need to prevent that stopper on the first stopper is used for the stopper, the first article is used for preventing the stopper from falling on the first person to be used to be rubbed.

The movable block 5 is fixedly provided with a driving gear 13 on one side close to the seat main body 1, the movable block 5 in the embodiment can drive the driving gear 13 to synchronously rotate while rotating, the movable block 5 and the driving gear 13 can be respectively processed and then assembled, and an integral injection molding process can be adopted, so that the driving gear 13 is rotationally connected with the inner wall of the armrest box 3.

The inner wall of the armrest box 3 is fixedly provided with a rotating shaft 14, a driven gear 15 meshed with the driving gear 13 is rotatably arranged on the rotating shaft 14, a first sliding block 16 is fixedly arranged on the driven gear 15 at an eccentric position, the first sliding block 16 in the embodiment is slidably arranged in a second guide groove 23 formed in the upper end of the L-shaped ejector rod 21, and the driven gear 15 drives the L-shaped ejector rod 21 to slide up and down while rotating.

Embodiment two:

the support assembly comprises a fixed plate 17 fixedly arranged on the inside of the handrail box 3, the fixed plate 17 in the embodiment is connected to the inner wall of the handrail box 3 through screws, a first guide groove 18 is formed in the fixed plate 17, a second slide block 19 is movably arranged in the first guide groove 18, the first guide groove 18 in the embodiment is used for providing guidance for the second slide block 19, a support rod 20 is movably arranged on the fixed plate 17, the support rod 20 in the embodiment is used for supporting the connecting plate 6 and stretches into a square groove 27 below the connecting plate 6, a protective sleeve 26 is fixedly arranged at one end of the support rod 20 far away from the second slide block 19, the protective sleeve 26 in the embodiment is used for preventing a user from being scratched, the second slide block 19 is fixedly arranged at one end of the support rod 20 close to the fixed plate 17, an L-shaped push rod 21 is rotatably arranged in the middle of the support rod 20, and the L-shaped push rod 21 in the embodiment is used for driving the support rod 20 to move up and down.

Working principle: an operator firstly opens a cover plate 4 on the armrest box 3 to take out the lifting table plate assembly from the armrest box 3, at the moment, the movable block 5 and the driving gear 13 rotate simultaneously, the driving gear 13 drives the driven gear 15 to rotate, a first sliding block 16 eccentrically arranged on the driven gear 15 drives an L-shaped ejector rod 21 to move upwards, the L-shaped ejector rod 21 drives a supporting rod 20 to move upwards, a second sliding block 19 at the lower end of the L-shaped ejector rod 21 moves upwards under the limit of a first guide groove 18 on a fixed plate 17, and then rotates outwards, when the table plate 8 is in a vertical state, the supporting rod 20 also reaches a working position, the table plate 8 rotates towards the seat main body 1 to enable the table plate 8 to be in a horizontal state, at the moment, the supporting rod 20 supports the connecting plate 6, then covers the cover plate 4, and according to the use requirement of a user, the height of the lifting plate 12 is adjusted, and when the lifting plate 12 is not required to be adjusted, and the lifting plate is directly used;

when the user leaves the seat or does not use the desk plate any more, if the lifting plate 12 is not attached to the desk plate 8, the lifting plate 12 is attached to the desk plate 8, the cover plate 4 on the armrest box 3 is opened, then the desk plate 8 is rotated to one side of the armrest box 3, when the desk plate 8 is in a vertical state, the desk plate 8 is placed in the armrest box 3, and the cover plate 4 is covered, so that the storage of the lifting desk plate assembly is completed.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. A seat armrest comprising a seat body (1), characterized in that: an armrest (2) is fixedly arranged on one side of the seat main body (1), an armrest box (3) is fixedly arranged on the other side of the seat main body (1), and a cover plate (4) is rotatably arranged at the top of the armrest box (3);

the lifting table plate assembly is hidden in the armrest box (3), the supporting assembly used for supporting the lifting table plate assembly is arranged in the armrest box (3), and when the lifting table plate assembly is taken out from the armrest box (3) and unfolded, the supporting assembly is unfolded simultaneously to support the lifting table plate assembly.

2. A chair armrest according to claim 1, characterized in that: the lifting table plate assembly comprises a movable block (5) rotationally connected with the armrest box (3), a connecting plate (6) is rotationally arranged above the movable block (5), two guide rails (7) are fixedly arranged above the connecting plate (6), a table plate (8) is slidably arranged above the connecting plate (6), two sliding grooves (9) are fixedly arranged below the table plate (8), and the guide rails (7) slide in the sliding grooves (9);

two connecting blocks (10) are arranged above the table plate (8), lifting strips (11) are rotatably arranged on the two connecting blocks (10), and lifting plates (12) are rotatably arranged on the two lifting strips (11).

3. A chair armrest as claimed in claim 2, wherein: a driving gear (13) is fixedly arranged on one side, close to the seat main body (1), of the movable block (5), and the driving gear (13) is rotationally connected with the inner wall of the armrest box (3);

the handrail box is characterized in that a rotating shaft (14) is fixedly arranged on the inner wall of the handrail box (3), a driven gear (15) meshed with the driving gear (13) is rotatably arranged on the rotating shaft (14), and a first sliding block (16) is fixedly arranged on the driven gear (15) at an eccentric position.

4. A chair armrest according to claim 3, characterized in that: the support assembly comprises a fixed plate (17) fixedly arranged on the inside of the armrest box (3), a first guide groove (18) is formed in the fixed plate (17), a second sliding block (19) is movably arranged in the first guide groove (18), a support rod (20) is movably arranged on the fixed plate (17), the second sliding block (19) is fixedly arranged at one end, close to the fixed plate (17), of the support rod (20), and an L-shaped ejector rod (21) is rotatably arranged in the middle of the support rod (20);

the handrail box is characterized in that a guide sleeve (22) is fixedly arranged on the inner side of the handrail box (3), an L-shaped ejector rod (21) is arranged in the guide sleeve (22) in a sliding mode, a second guide groove (23) is formed in the transverse direction of the L-shaped ejector rod (21), and a first sliding block (16) is arranged in the second guide groove (23) in a sliding mode.

5. A chair armrest according to claim 4, wherein: the handrail box (3) is provided with a strip-shaped groove (24), a through groove (25) is formed below the strip-shaped groove (24), and the supporting rod (20) penetrates through the through groove (25).

6. A chair armrest according to claim 4, wherein: one end of the supporting rod (20) far away from the second sliding block (19) is fixedly provided with a protective sleeve (26).

7. A chair armrest according to claim 4, wherein: a square groove (27) into which one end of the supporting rod (20) movably stretches is formed below the connecting plate (6).

8. A chair armrest as claimed in claim 2, wherein: the surface of the lifting plate (12) is provided with a water cup groove (28), and one side of the lifting plate (12) close to the seat main body (1) is provided with a first limiting block (29).

9. A chair armrest as claimed in claim 2, wherein: the end parts of the two sliding grooves (9) are respectively provided with a second limiting block (30).

10. A chair armrest as claimed in claim 2, wherein: and a third limiting block (31) is fixedly arranged on the movable block (5).