CN220403550U - Waist chasing chair structure - Google Patents
Waist chasing chair structure Download PDFInfo
- Publication number
- CN220403550U CN220403550U CN202322184422.6U CN202322184422U CN220403550U CN 220403550 U CN220403550 U CN 220403550U CN 202322184422 U CN202322184422 U CN 202322184422U CN 220403550 U CN220403550 U CN 220403550U
- Authority
- CN
- China
- Prior art keywords
- screw rod
- chair structure
- cushion
- waist
- bidirectional screw
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 33
- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 125000003003 spiro group Chemical group 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 210000004705 lumbosacral region Anatomy 0.000 description 2
- 206010048961 Localised oedema Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
Landscapes
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
A waist chasing chair structure is characterized in that a bidirectional screw rod and a sliding block moving along the bidirectional screw rod are arranged between a backrest and a cushion, and the two sliding blocks move oppositely to drive a transmission rod to deform, so that the cushion connected with the transmission rod is driven to move back and forth. The waist-chasing chair has simple structure and low manufacturing cost, but can effectively meet the requirement of front-back adjustment of the back cushion, thereby effectively maintaining the correct sitting posture of a user and protecting the physical health of the user; meanwhile, the bidirectional screw rod is stable in transmission, extremely high in structural strength and supporting strength, capable of meeting the use requirements of personnel of different body types, and convenient and quick to adjust and operate.
Description
Technical Field
The utility model relates to a chair, in particular to a waist-chasing chair structure capable of adjusting back support.
Background
The seat is widely applied to various scenes as important furniture for daily life and office work of people, the traditional seat is of a fixed structure, and more seats adopt adjustable structures in order to meet the use needs of different crowds. The seat with the adjustable structure can realize the adjustment of the height of the seat cushion and the inclination of the seat back, but lacks the adjustment of the back front and back direction, namely the back direction of the user, and the position of the back front and back direction is related to whether the correct sitting posture of the user can be effectively maintained or not.
Disclosure of Invention
The utility model aims to provide a waist-chasing chair structure capable of adjusting a chair back so as to better form effective support for the waist and the back of a user and protect the health of the user.
The utility model relates to a waist-chasing chair structure, which comprises a backrest arranged at the rear side and a back cushion arranged at the front side of the backrest, wherein a bidirectional screw rod is arranged between the backrest and the back cushion, the two sides of the middle part of the bidirectional screw rod are respectively provided with a threaded section with threads, the threads of the two threaded sections are opposite in rotation direction, sliding blocks are respectively connected with the two threaded sections in a threaded manner, a transmission rod capable of moving towards or back to the backrest is connected between the two sliding blocks, one side of the transmission rod, which is back to the backrest, is fixedly connected with the back cushion, and at least one end of the bidirectional screw rod is connected with a driver for driving the bidirectional screw rod to rotate.
Further, the front side of the backrest is provided with a concave table which is concave backward, and the bidirectional screw rod is arranged in the concave table.
Further, the back cushion is a waist cushion for supporting the waist, and the concave table of the backrest is arranged at the bottom of the front side.
Further, armrests are arranged on two sides, and two ends of the bidirectional screw rod are arranged on the armrests.
Or, two ends of the bidirectional screw rod are arranged on the backrest.
Further, the driver is a handle or knob fixedly connected with the end part of the bidirectional screw rod.
Further, both ends of the two-way screw rod are connected with handles or knobs.
Alternatively, the drive includes a rotary electric machine, and a controller that controls the operation of the rotary electric machine.
Further, the controller is mounted on the armrest.
Further, the transmission rod comprises a movable seat and two swing arms, the movable seat is fixedly arranged on the back of the back cushion, two ends of the two swing arms are respectively hinged with the sliding block and the movable seat, and a connecting line of two hinged ends of the swing arms points to the back of the back cushion from the sliding block.
According to the waist-chasing chair structure, a user sits on the waist-chasing chair, and the back of the user props against the back cushion for normal use; when the back cushion position is required to be adjusted to adjust the back support, the driver drives the bidirectional screw rod to rotate, and due to the arrangement of reverse threads at the two ends of the bidirectional screw rod, the two sliding blocks screwed at the two ends of the bidirectional screw rod move oppositely or reversely, so that the transmission rod between the two sliding blocks is driven to deform, the back cushion is driven to move forwards or backwards, and the adjustment requirement is realized. The beneficial effects are that: the waist-chasing chair has simple structure and low manufacturing cost, but can effectively meet the requirement of front-back adjustment of the back cushion, thereby effectively maintaining the correct sitting posture of a user and protecting the physical health of the user; meanwhile, the bidirectional screw rod is stable in transmission, extremely high in structural strength and supporting strength, capable of meeting the use requirements of personnel of different body types, and convenient and quick to adjust and operate.
Drawings
Fig. 1 is a schematic structure view of a chair for chasing the waist.
Fig. 2 is an exploded view of the chair structure of fig. 1.
Fig. 3 is a schematic diagram of the connection structure of the back cushion, the bidirectional screw rod, the sliding block, the transmission rod and the driver.
Fig. 4 is a schematic diagram of the connection structure of the bi-directional screw, the slider, the transmission rod and the driver.
Fig. 5 is a schematic view of another embodiment of the chair structure.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. 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.
It should be noted that, in the embodiment of the present utility model, directional indications (such as up, down, left, right, front, rear, top, bottom, inner, outer, vertical, lateral, longitudinal, counterclockwise, clockwise, circumferential, radial, axial … …) are referred to, and the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
If there is a description of "first" or "second" etc. in an embodiment of the present utility model, the description of "first" or "second" etc. is used for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
The utility model provides a waist-chasing chair structure.
In the embodiment of the utility model, the waist-chasing chair structure comprises a backrest 1 arranged at the rear side and a back cushion 2 arranged at the front side of the backrest, a bidirectional screw rod 3 is arranged between the backrest and the back cushion, the two sides of the middle part of the bidirectional screw rod are screw thread sections provided with screw threads, the screw threads of the two screw thread sections are opposite in rotation direction, sliding blocks 4 are respectively screwed on the two screw thread sections, a transmission rod capable of moving towards or back to the backrest is connected between the two sliding blocks, one side of the transmission rod, which is back to the backrest, is fixedly connected with the back cushion, and at least one end of the bidirectional screw rod is connected with a driver for driving the bidirectional screw rod to rotate.
The waist-chasing chair structure is characterized in that a user sits on the waist-chasing chair, and the back of the user props against the back cushion for normal use; when the back cushion position is required to be adjusted to adjust the back support, the driver drives the bidirectional screw rod to rotate, and due to the arrangement of reverse threads at the two ends of the bidirectional screw rod, the two sliding blocks screwed at the two ends of the bidirectional screw rod move oppositely or reversely, so that the transmission rod between the two sliding blocks is driven to deform, the back cushion is driven to move forwards or backwards, and the adjustment requirement is realized.
In the structure of the waist-chasing chair, the concave table 11 which is concave backwards is arranged on the front side of the backrest 1, and the bidirectional screw rod 3 is arranged in the concave table, so that a transmission mechanism formed by parts such as the bidirectional screw rod, the sliding block and the transmission rod is hidden, the transmission mechanism can be protected, and the aesthetic property of the waist-chasing chair can be improved. The two ends of the bidirectional screw rod 3 can be arranged on the backrest 1 and also can be arranged on armrests 6 on two sides of the seat so as to meet the requirements of seats with different specifications or different use requirements. The driver for driving the bidirectional screw rod to rotate can be a handle or a knob 7 fixedly connected with the end part of the bidirectional screw rod 3, as shown in fig. 5, and a user drives the bidirectional screw rod to rotate by manually rotating the handle or the knob; in order to further improve the operation convenience, the two ends of the bidirectional screw rod 3 are connected with handles or knobs 7. The driver can also be as shown in fig. 2-4, and comprises a rotating motor 8, and a controller 9 for controlling the rotating motor to work in order to improve the operation convenience, wherein the controller 9 can be a remote control which is wireless and hand-held, can also be arranged on the armrest 6, and can be conveniently operated by a user sitting on the chair.
The transmission rod can be an elastic sheet or other appliances capable of deforming back and forth through relative movement of two ends, and can also be as shown in fig. 1-5, the transmission rod comprises a movable seat 51 and two swing arms 52, the movable seat is fixedly arranged on the back of the back cushion 2, two ends of the two swing arms are respectively hinged with a sliding block 4 and the movable seat, when the driver drives the two sliding blocks to move through a bidirectional screw rod, the two swing arms rotate relative to the sliding blocks and the movable seat through two hinged ends, so that the movable seat and the back cushion are driven to move back and forth, and the connecting line of the two hinged ends of the swing arms points to the back of the back cushion from the sliding blocks, so that the phenomenon of blocking caused by excessive backward movement of the movable seat is avoided. The back cushion 2 is a lumbar cushion for supporting the lumbar region, and supports the lumbar region of the user, and the concave portion 11 of the backrest 1 is provided at the bottom of the front side.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.
Claims (10)
1. The utility model provides a chair structure of chasing after, includes back (1) and cushion (2) of setting in back front side in the rear side, its characterized in that: be equipped with two-way lead screw (3) between back and the cushion, the both sides at two-way lead screw middle part are the screw thread section that is equipped with the screw thread, and the screw thread of two screw thread sections revolves to opposite, and the spiro union has slider (4) on two screw thread sections respectively, is connected with the transfer line that can face towards or back to the back removal between two sliders, and one side and the cushion that the transfer line was backed to the back are fixed connection mutually, and at least one end of two-way lead screw is connected with the driver that drives its pivoted.
2. The chair structure of claim 1, wherein: the front side of the backrest (1) is provided with a concave table (11) which is concave backwards, and the bidirectional screw rod (3) is arranged in the concave table.
3. The chair structure according to claim 2, wherein: the back cushion (2) is a waist cushion for supporting the waist, and the concave table (11) of the backrest (1) is arranged at the bottom of the front side.
4. The chair structure of claim 1, wherein: the two-way screw rod is provided with armrests (6) arranged on two sides, and two ends of the two-way screw rod (3) are arranged on the armrests.
5. The chair structure of claim 1, wherein: two ends of the two-way screw rod (3) are arranged on the backrest (1).
6. The chair structure according to any one of claims 1-5, wherein: the driver is a handle or knob (7) fixedly connected with the end part of the bidirectional screw rod (3).
7. The chair structure of claim 6, wherein: both ends of the two-way screw rod (3) are connected with handles or knobs (7).
8. The chair structure according to any one of claims 1-5, wherein: the driver comprises a rotating motor (8) and a controller (9) for controlling the operation of the rotating motor.
9. The chair structure of claim 8, wherein: the controller (9) is arranged on the handrail (6).
10. The chair structure according to any one of claims 1-5, wherein: the transmission rod comprises a movable seat (51) and two swing arms (52), the movable seat is fixedly arranged on the back of the back cushion (2), two ends of the two swing arms are respectively hinged with the sliding block (4) and the movable seat, and a connecting line of two hinged ends of the swing arms points to the back of the back cushion from the sliding block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322184422.6U CN220403550U (en) | 2023-08-15 | 2023-08-15 | Waist chasing chair structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322184422.6U CN220403550U (en) | 2023-08-15 | 2023-08-15 | Waist chasing chair structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220403550U true CN220403550U (en) | 2024-01-30 |
Family
ID=89653613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322184422.6U Active CN220403550U (en) | 2023-08-15 | 2023-08-15 | Waist chasing chair structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220403550U (en) |
-
2023
- 2023-08-15 CN CN202322184422.6U patent/CN220403550U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |