CN221330702U - Chair with turnover armrests - Google Patents
Chair with turnover armrests Download PDFInfo
- Publication number
- CN221330702U CN221330702U CN202323197608.1U CN202323197608U CN221330702U CN 221330702 U CN221330702 U CN 221330702U CN 202323197608 U CN202323197608 U CN 202323197608U CN 221330702 U CN221330702 U CN 221330702U
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- Prior art keywords
- chair
- armrests
- seat
- reversible
- plate
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- 230000007306 turnover Effects 0.000 title claims abstract description 8
- 230000002457 bidirectional effect Effects 0.000 claims description 13
- 230000002441 reversible effect Effects 0.000 claims description 10
- 241001122767 Theaceae Species 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001739 rebound effect Effects 0.000 description 1
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Abstract
The utility model belongs to the technical field of seats, and particularly relates to a chair with a turnover armrest. The utility model comprises a chair seat, a chair back arranged on one side of the chair seat, armrests arranged above two sides of the chair seat, an extension assembly arranged between the armrests and the chair seat, and a support assembly arranged on the extension assembly. The worm is rotated to drive the worm wheel to rotate, so that the connecting plate can be driven to rotate, when the connecting plate rotates to be horizontal, the handrail is turned over, the stability of the handrail after turning over can be improved by utilizing the self-locking property of the worm and the worm wheel, and at the moment, the surface of the movable plate can be used as a placing plate so as to be convenient for placing tea and food for a user to relax and rest; and through pulling the pin rod and outwards pulling the fly leaf, slide in the activity intracavity portion through the connecting plate for realized the extension to the device, and utilize the cooperation of pin rod and pinhole after releasing the pin rod, can fix the fly leaf after the extension.
Description
Technical Field
The utility model belongs to the technical field of seats, and particularly relates to a chair with a turnover armrest.
Background
Chairs are a piece of daily life and office furniture, each comprising a seating surface for a person to sit on, and a backrest for providing support and comfort in a sitting position, some chairs also being provided with armrests for supporting the arms and providing additional comfort. In addition, in order to further satisfy the needs of users, some chair armrests have a flat surface, which can be used for placing articles, such as teacups, magazines or remote controllers, etc., so that the design provides a comfortable armrest and a convenient space for placing articles for users, but the armrest has a problem of large occupied space.
In the prior art, the armrests capable of holding articles are designed into a storable form, for example, chinese patent utility model patent publication No. CN215271587U discloses a turnover armrests chair, the device rotates through a hinge to enable a chair seat and a chair back to be opened at a certain angle or to be horizontal, a buckle is inserted into a corresponding clamping groove, a first inserting strip is rotated until a hanging ring on a second inserting strip is sleeved on a hanging bolt, the chair seat and the chair back are fixed, free assembly of the chair and a small table is realized through a plug-in device, daily life of people is met, daily use of people is facilitated, meanwhile, the chair is convenient to detach and fold, the whole occupied volume is small, and the chair is convenient to store. However, when the device is in actual use, the small table serving as the handrail which is inserted is not stable enough, and the device is easy to shake when placing articles.
In view of the above, there is a need for a seat that improves the stability of stowable armrests.
Disclosure of utility model
The utility model aims to provide a chair with a reversible armrest. The worm is rotated through rotating the worm to drive the worm wheel to rotate, so that the connecting plate can be driven to rotate, when the connecting plate rotates to be horizontal, the overturning of the handrail is realized, the self-locking property of the worm and the worm wheel is utilized, the stability of the handrail after overturning can be improved, and the surface of the movable plate can be used as a placing plate at the moment so as to be convenient for placing tea and food for a user to relax and rest.
The utility model adopts the technical proposal that: a chair with turnover armrests comprises a chair seat, a chair back arranged on one side of the chair seat, armrests arranged above two sides of the chair seat, an extension assembly arranged between the armrests and the chair seat, and a support assembly arranged on the extension assembly.
The extension assembly comprises a movable plate fixedly connected with the armrest, a movable cavity formed in the movable plate, a connecting plate with one end movably connected with the seat through a bracket and the other end slidably connected with the movable cavity, pin holes formed in two sides of the connecting plate at equal intervals, connecting pieces fixedly connected to two sides of the bottom of the movable plate, a pin rod slidably connected with the connecting pieces, and a spring sleeved outside the pin rod.
As a further improvement of the scheme, the supporting component comprises a moving groove arranged outside the movable plate, a bidirectional screw rod rotatably connected inside the moving groove, moving blocks screwed outside two sides of the bidirectional screw rod, a supporting plate arranged outside the movable plate, a connecting rod hinged between the moving blocks and the supporting plate, and an adjusting knob coaxially and fixedly connected with one end of the bidirectional screw rod.
As a further improvement of the scheme, the two sides of the chair seat are rotatably connected with the rotating shaft, the support is fixedly sleeved outside the rotating shaft, one end of the rotating shaft is coaxially and fixedly connected with the worm wheel, and the chair seat is rotatably connected with the worm and meshed with the worm wheel.
As a further improvement of the scheme, a connecting shaft is inserted between the chair back and the chair seat.
As a further improvement of the scheme, limiting protrusions are symmetrically arranged on the outer portion of the connecting shaft, and one end of the connecting shaft is fixedly connected with a grab handle end.
As a further improvement of the scheme, the two sides of the bottom of the chair seat are fixedly connected with supporting legs, and anti-slip pads are additionally arranged at the bottoms of the supporting legs.
As a further improvement of the scheme, the surfaces of the armrests, the chair backs and the chair seats are provided with flexible cushion layers.
As a further improvement of the scheme, the diameter of the pin hole is not smaller than the diameter of the pin rod
As a further improvement of the above solution, the moving block is slidably connected with the moving groove.
As a further improvement of the above, the outer surface of the support plate is uniformly provided with cleats.
Compared with the prior art, the utility model has the beneficial effects that:
1. According to the utility model, the worm is rotated to drive the worm wheel to rotate, so that the connecting plate can be driven to rotate, when the connecting plate rotates to be horizontal, the handrail is overturned, the stability of the overturned handrail can be improved by utilizing the self-locking property of the worm and the worm wheel, and at the moment, the surface of the movable plate can be used as a placing plate, so that tea and food can be placed conveniently for a user to relax and rest, and the device is simple to operate and high in practicability.
2. According to the utility model, the movable plate is pulled outwards while the pin rod is pulled, the movable plate slides in the movable cavity through the connecting plate, so that the expansion of the device is realized, the pin rod is matched with the pin hole after the pin rod is released, the expanded movable plate can be fixed, the bidirectional screw rod is driven to rotate through rotating the adjusting knob, the two groups of moving blocks are driven to move in opposite directions by rotating the bidirectional screw rod, the moving blocks and the supporting plate are matched with the hinging of the connecting rod, so that the supporting plate can be driven to move vertically downwards, the supporting plate is conveniently contacted with the ground to support the movable plate from the bottom, a user can rest on a chair conveniently, the problem that injury is easily brought to the body of the user due to sitting for a long time is effectively avoided, and the practicability of the device is further improved.
3. According to the utility model, the chair back is convenient to detach by pulling out the connecting shaft, and the worm wheel is driven to rotate by rotating the worm, so that the armrests can be driven to rotate to the lower parts of two sides of the chair seat, the chair is convenient to stack when in rest, the occupation of space is reduced, and the practicability is strong.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic perspective view of the extension assembly and support assembly of the present utility model;
fig. 3 is a schematic perspective view of a connecting shaft according to the present utility model.
In the drawings, the components represented by the respective reference numerals are as follows: 1. a seat; 2. a chair back; 3. an armrest; 4. a rotating shaft; 5. a worm wheel; 6. a worm; 7. a connecting shaft; 8. support legs; 101. a movable plate; 102. a connecting plate; 103. a connecting piece; 104. a pin rod; 105. a spring; 201. a two-way screw rod; 202. a moving block; 203. a support plate; 204. a connecting rod; 71. a limit protrusion; 72. a handle end.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.
Please combine fig. 1-3, a chair with turnover armrests in this embodiment, including seat 1, the back of the chair 2 of setting in seat 1 one side, set up the armrests 3 in seat 1 both sides top, set up the extension subassembly between armrests 3 and seat 1, and set up the supporting component on the extension subassembly, the both sides of seat 1 all rotate and be connected with pivot 4 and the fixed cover of support establish in the outside of pivot 4, the coaxial fixedly connected with worm wheel 5 of one end of pivot 4, still rotate on seat 1 and be connected with worm 6 and with worm wheel 5 meshing connection, be convenient for overturn armrests 3, the bottom both sides of seat 1 are all fixedly connected with supporting leg 8, the bottom of supporting leg 8 is added and is equipped with the slipmat, can prevent that the chair from appearing sliding when using, the armrests 3, the surface of back of the chair 2 and seat 1 all is added and is equipped with flexible bed course, can increase the travelling comfort of chair.
The extension assembly comprises a movable plate 101 fixedly connected with the armrest 3, a movable cavity formed in the movable plate 101, a connecting plate 102 with one end movably connected with the seat 1 through a bracket and the other end slidably connected with the movable cavity, pin holes formed in two sides of the connecting plate 102 at equal intervals, connecting pieces 103 fixedly connected to two sides of the bottom of the movable plate 101, pin rods 104 slidably connected with the connecting pieces 103, and springs 105 sleeved outside the pin rods 104, wherein the diameter of the pin rods 104 is matched with that of the pin holes.
The support assembly comprises a moving groove formed in the outer portion of the movable plate 101, a bidirectional screw rod 201 rotatably connected to the inner portion of the moving groove, moving blocks 202 in threaded connection with the outer portions of two sides of the bidirectional screw rod 201, a supporting plate 203 arranged on the outer portion of the movable plate 101, a connecting rod 204 hinged between the moving blocks 202 and the supporting plate 203, and an adjusting knob fixedly connected with one end of the bidirectional screw rod 201 in a coaxial mode, the moving blocks 202 and the moving groove are slidably connected, the moving of the moving blocks 202 can be guided, anti-slip protrusions are uniformly arranged on the outer surface of the supporting plate 203, and friction between the supporting plate 203 and the ground can be increased.
The embodiment of the application provides a chair with a reversible armrest, which is implemented by the following principle: when a user needs to rest, the worm wheel 5 is driven to rotate by rotating the worm 6, so that the rotating shaft 4 can be driven to rotate, the connecting plate 102 can be driven to rotate, when the user rotates to the horizontal state, the overturning of the handrail 3 is realized, the stability of the overturned handrail 3 can be improved by utilizing the self-locking property of the worm 6 and the worm wheel 5, at the moment, the surface of the movable plate 101 can be used as a placing plate so as to be convenient for placing tea and food for the user to relax and rest, when the user wants to sleep, the movable plate 101 is pulled outwards while the pin rod 104 is pulled, the connecting plate 102 slides in the movable cavity, the extension of the device is realized, and after the pin rod 104 is released, the rebound effect of the spring 105 and the cooperation of the pin rod 104 and the pin hole are utilized, the extended movable plate 101 can be fixed, the bidirectional screw rod 201 is driven to rotate through the rotation adjusting knob, the bidirectional screw rod 201 rotates to drive two groups of moving blocks 202 to move in opposite directions, the moving blocks 202 and the supporting plates 203 are utilized to be in hinged fit with the connecting rods 204, so that the supporting plates 203 can be driven to move vertically downwards, the movable plates 101 are conveniently contacted with the ground to support the movable plates from the bottom, a user can rest on a chair conveniently, the problem that the body of the user is easy to be damaged due to sitting for a long time is effectively avoided, when the chair is not needed, the chair is convenient to detach through pulling out the connecting shaft 7, the worm wheel 5 is driven to rotate through the rotating worm 6, and the armrests 3 can be driven to rotate to the lower parts of the two sides of the chair seat 1, so that the chair can be conveniently stacked when the chair is idle, and occupation of the space is reduced.
Example 2:
The further improvement of this embodiment on the basis of embodiment 1 is that: a connecting shaft 7 is inserted between the chair back 2 and the chair seat 1, limiting protrusions 71 are symmetrically arranged outside the connecting shaft 7, one end of the connecting shaft 7 is fixedly connected with a grab handle end 72, and the quick assembly and disassembly of the chair back 2 and the chair seat 1 are convenient.
Furthermore, wherever possible, the same or similar reference numbers are used in the drawings and the description to refer to the same or like parts or steps. The drawings are presented in simplified form and are not drawn to precise scale. For convenience and clarity only, directional terms, such as top, bottom, left, right, upward, above, below, rear and front, may be used with respect to the accompanying drawings. These and similar directional terms should not be construed to limit the scope of the disclosure in any way.
Claims (9)
1. A chair with reversible armrests, comprising:
The chair comprises a chair seat (1), a chair back (2) arranged on one side of the chair seat (1), armrests (3) arranged above two sides of the chair seat (1), an extension assembly arranged between the armrests (3) and the chair seat (1), and a support assembly arranged on the extension assembly;
The stretching assembly comprises a movable plate (101) fixedly connected with the armrest (3), a movable cavity arranged on the movable plate (101), a connecting plate (102) with one end movably connected with the seat (1) through a bracket and the other end slidably connected with the movable cavity, pin holes equidistantly arranged on two sides of the connecting plate (102), connecting pieces (103) fixedly connected on two sides of the bottom of the movable plate (101), a pin rod (104) slidably connected with the connecting pieces (103), and a spring (105) sleeved outside the pin rod (104); both sides of seat support (1) are all rotated and are connected with pivot (4) and the outside at pivot (4) is established to the fixed cover of support, the coaxial fixedly connected with worm wheel (5) of one end of pivot (4), still rotate on seat support (1) and be connected with worm (6) and with worm wheel (5) meshing connection.
2. The chair with the reversible armrest according to claim 1, wherein the supporting assembly comprises a moving slot formed outside the movable plate (101), a bidirectional screw rod (201) rotatably connected inside the moving slot, moving blocks (202) threadedly connected outside both sides of the bidirectional screw rod (201), a supporting plate (203) arranged outside the movable plate (101), a connecting rod (204) hinged between the moving blocks (202) and the supporting plate (203), and an adjusting knob coaxially and fixedly connected with one end of the bidirectional screw rod (201).
3. A chair with reversible armrests according to claim 1, characterized in that a connecting shaft (7) is interposed between the back (2) and the seat (1).
4. A chair with reversible armrests according to claim 3, characterized in that the outer part of the connecting shaft (7) is symmetrically provided with limit protrusions (71), and one end of the connecting shaft (7) is fixedly connected with a grab handle end (72).
5. The chair with the turnover armrests according to claim 1, wherein the two sides of the bottom of the chair seat (1) are fixedly connected with supporting legs (8), and anti-slip pads are additionally arranged at the bottoms of the supporting legs (8).
6. The chair with the reversible armrests according to claim 1, wherein the surfaces of the armrests (3), the chair back (2) and the chair seat (1) are respectively provided with a flexible cushion layer.
7. The chair with reversible armrests according to claim 1, characterized in that the diameter of the pin holes is not smaller than the diameter of the pins (104).
8. A chair with reversible armrests according to claim 2, characterized in that the moving block (202) is slidingly connected with the moving slot.
9. A chair with reversible armrests according to claim 2, characterized in that the outer surface of the support plate (203) is provided with anti-slip protrusions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323197608.1U CN221330702U (en) | 2023-11-27 | 2023-11-27 | Chair with turnover armrests |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323197608.1U CN221330702U (en) | 2023-11-27 | 2023-11-27 | Chair with turnover armrests |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221330702U true CN221330702U (en) | 2024-07-16 |
Family
ID=91845025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323197608.1U Active CN221330702U (en) | 2023-11-27 | 2023-11-27 | Chair with turnover armrests |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221330702U (en) |
-
2023
- 2023-11-27 CN CN202323197608.1U patent/CN221330702U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |