CN221671282U - Back pushing chair frame and back pushing chair - Google Patents
Back pushing chair frame and back pushing chair Download PDFInfo
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- CN221671282U CN221671282U CN202420219244.8U CN202420219244U CN221671282U CN 221671282 U CN221671282 U CN 221671282U CN 202420219244 U CN202420219244 U CN 202420219244U CN 221671282 U CN221671282 U CN 221671282U
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- seat
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- 230000008569 process Effects 0.000 abstract description 3
- 230000009977 dual effect Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
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- 238000010586 diagram Methods 0.000 description 1
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- 230000005484 gravity Effects 0.000 description 1
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- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The seat main body frame comprises a seat frame and a seat back frame which rotates relative to one end of the seat frame, one end of the seat frame is connected with the seat back frame through a bolt assembly, the other end of the seat frame is connected with the seat back frame through a gear adjusting assembly, the double-rocker telescopic assembly and the gear adjusting assembly are positioned at the bottom of the seat frame, and the gear adjusting assembly is used for controlling the rotation angle between the seat frame and the seat back frame and synchronously driving the double-rocker telescopic assembly to move; compared with the prior art, the connection mode of each kinematic pair is the connection of the bolt component, so that the disassembly and assembly process of the back pushing chair frame is simple and convenient, and a user can adjust the inclination angle of the chair back and the overall posture of the back pushing chair frame by lifting the rope when lying and leaning, thereby providing good use experience.
Description
Technical Field
The utility model relates to the technical field of furniture, in particular to a back pushing chair frame and a back pushing chair.
Background
The back pushing chair is a seat with unique design and aims at providing comfortable sitting posture support and lying experience. The back pushing chair is usually provided with an adjusting function such as adjusting the angle of a backrest, so that different requirements of people are met; when the chair is in work, people can adjust the back pushing chair to a sitting posture state, so that the vertebrae and the waist can be well supported, and when the chair is in rest, the people can adjust the back pushing chair to a leaning state for rest, thereby being beneficial to relaxing muscles and relieving physical fatigue. Meanwhile, in order to avoid the back pushing chair occupying a small space when not in use, the back pushing chair is generally designed into a structure favorable for storage, so that people can use and store the back pushing chair at any time according to requirements.
In order to solve the above problems, chinese patent application number 202021106088.2 discloses a seat with adjustable backrest angle, the disclosed seat with adjustable backrest angle is of a foldable structure, occupies less space during storage, can save storage space, and can adjust backrest angle by manually adjusting connection relation of a fixed structure. However, the above disclosed chair with the adjustable backrest angle is inconvenient to assemble and disassemble, the space occupied by the chair during transportation and storage cannot be reduced to the maximum extent, and the backrest angle cannot be adjusted during lying.
Disclosure of utility model
The utility model aims to overcome the defects in the prior art and provide the back pushing chair frame and the back pushing chair, which are convenient to assemble and disassemble and can adjust the lying gear of the back pushing chair when lying.
According to one aspect of the present utility model, there is provided an adjustable push back chair comprising: the seat comprises a seat main body frame, a double-rocker telescopic assembly and a gear adjusting assembly; the seat main body frame comprises a seat frame and a seat back frame which rotates relative to one end of the seat frame; one end of the seat frame is connected with the seat back frame through a bolt assembly, and the other end of the seat frame is connected with the seat back frame through a gear adjusting assembly; the double-rocker telescopic assembly and the gear adjusting assembly are positioned at the bottom of the seat frame, and the gear adjusting assembly is used for controlling the rotation angle between the seat frame and the back frame and synchronously driving the double-rocker telescopic assembly to move.
As a preferred embodiment of the present utility model, the gear adjusting assembly includes a gear piece, a limiter, an elastic member, a pull cord, a support link and a transmission link; one end of the elastic element is connected with the tail end of the gear sheet, and the other end of the elastic element is connected with the seat frame; the lifting rope is connected to the gear piece; the limiter is fixedly arranged on the supporting connecting rod; one end of the transmission connecting rod is connected with the supporting connecting rod, and the other end is connected with the chair back frame.
As a preferred embodiment of the present utility model, the gear position adjusting assembly further comprises a positioning frame; the locating frame is fixedly arranged on the supporting connecting rod, the limiter is arranged in the locating frame, and the lifting rope penetrates through the locating frame to be connected with the gear piece.
As a preferred embodiment of the utility model, the gear sheet is provided with at least two limit clamping grooves which are matched and clamped with the limit device.
As a preferred embodiment of the utility model, the double rocker telescopic assembly comprises symmetrically arranged telescopic rocker mechanisms; the two telescopic rocker mechanisms are fixedly connected through a support connecting rod; one end of the two telescopic rocker mechanisms is rotationally connected through a bolt assembly.
As a preferred embodiment of the present utility model, the telescopic rocker mechanism comprises a first active link and a second active link; one end of the first driving connecting rod and one end of the second driving connecting rod are rotationally connected with the bolt assembly; a first driven connecting rod is rotationally connected between the first driving connecting rod and the second driving connecting rod; the bottom of first initiative connecting rod is connected with the one end of first driven connecting rod, and the other end of first driven connecting rod is connected with the foot rest mounting panel, is connected with the one end of second driven connecting rod on the foot rest mounting panel, and the other end of second driven connecting rod rotates with the bottom of second initiative connecting rod to be connected.
As a preferred embodiment of the present utility model, the latch assembly includes a latch positioning block, a latch body and a latch stop bar; the bolt locating block is provided with a mounting through hole, and the bolt main body penetrates through the mounting through hole and is connected with the bolt limiting strip.
As a preferred embodiment of the utility model, at least two mounting hanging holes are formed on the foot rest mounting plate, and the mounting hanging holes are distributed along the length direction of the foot rest mounting plate.
As a preferred embodiment of the utility model, the aperture of the mounting hanging hole is in a structure with a large upper part and a small lower part.
According to another aspect of the present utility model there is provided a push back chair comprising a push back chair frame of any one of the above.
Compared with the prior art, the utility model has the beneficial effects that:
1. The connection mode of each kinematic pair is a latch assembly connection, so that the disassembly and assembly process of the back pushing chair frame is simple, and the back pushing chair frame can be quickly disassembled into parts when the back pushing chair frame is transported or stored, so that the occupied space is reduced;
2. The user can be through carrying the pulling rope of pulling on the gear adjustment subassembly when lying, change the position relation of gear piece and stopper for the user can be through lying lean on back of the chair frame and adjust back of the chair frame's inclination, drives simultaneously and pushes away the gesture that back of the chair frame was pushed away to the transmission connecting rod that is connected with back of the chair frame, makes the user can obtain good sitting and lying experience.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic structural view of a seat body frame;
FIG. 3 is a schematic structural view of a gear position adjustment assembly;
FIG. 4 is a schematic view of the structure of a dual rocker telescoping assembly;
FIG. 5 is a schematic structural view of the latch assembly;
Reference numerals: the seat comprises a seat main body frame 100, a seat frame 110, a backrest frame 120, a double-rocker telescopic assembly 200, a telescopic rocker mechanism 210, a first driving connecting rod 211, a first driven connecting rod 212, a second driving connecting rod 213, a second driven connecting rod 214, a foot support mounting plate 220, a mounting hanging hole 221, a gear adjusting assembly 300, a gear piece 310, a limiting clamping groove 311, a limiter 320, an elastic element 330, a lifting rope 340, a supporting connecting rod 350, a transmission connecting rod 360, a positioning frame 370, a bolt assembly 400, a bolt positioning block 410, a mounting through hole 411, a bolt main body 420 and a bolt limiting bar 430.
Detailed Description
Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
According to one aspect of an embodiment of the present application, there is provided a push back chair frame; as shown in fig. 1 and 2, a push back chair frame comprising: the seat comprises a seat body frame 100, a double-rocker telescopic assembly 200 and a gear adjusting assembly 300, wherein the seat body frame 100 comprises a seat frame 110 and a seat back frame 120 which rotates relative to one end of the seat frame 110, one end of the seat frame 110 is connected with the seat back frame 120 through a bolt assembly 400, the other end of the seat frame 110 is connected with the seat back frame 120 through the gear adjusting assembly 300, the double-rocker telescopic assembly 200 and the gear adjusting assembly 300 are positioned at the bottom of the seat frame 110, and the gear adjusting assembly 300 is used for controlling the rotation angle between the seat frame 110 and the seat back frame 120 and synchronously driving the double-rocker telescopic assembly 200 to move.
As shown in fig. 3, a schematic structural view of the gear position adjusting assembly; specifically, the gear adjusting assembly 300 includes a gear plate 310, a limiter 320, an elastic element 330, a lifting rope 340, a support link 350 and a transmission link 360, wherein one end of the elastic element 330 is connected with the end of the gear plate 310, the other end is connected with the seat frame 110, and the lifting rope 340 is connected to the gear plate 310; the limiter 320 is fixedly arranged on the support link 350, one end of the transmission link 360 is connected with the support link 350, and the other end is connected with the chair back frame 120; the elastic element 330 always keeps the contracted state and pulls the gear piece 310, so that the gear piece 310 always moves along the contracted direction of the elastic element 330, when the lifting rope 340 is pulled, the gear piece 310 is separated from the limiter 320, a user lies on the chair back frame 120, the support connecting rod 350 is pushed to move through the transmission connecting rod 360, the relative position relationship between the limiter 320 fixedly arranged on the support connecting rod 350 and the gear piece 310 is adjusted, when the user releases the lifting rope 340, the gear piece 310 moves along the contracted direction of the elastic element 330 under the action of the elastic element 330 and falls on the limiter 320, the limiter 320 resumes the displacement limitation of the gear piece 310, and the gear adjustment is completed.
As shown in fig. 3, a schematic structural view of the gear position adjusting assembly; specifically, the gear adjusting assembly 300 further includes a positioning frame 370, the positioning frame 370 is fixedly disposed on the support link 350, the limiter 320 is located in the positioning frame 370, and the lifting rope 340 passes through the positioning frame 370 to be connected with the gear piece 310; the positioning frame 370 is used for determining the force direction of the pulling rope 340 relative to the gear piece 310, so that when the pulling rope 340 is pulled, the pulling force can act on the gear piece 310 correctly, and the deviation of the pulling force direction is avoided.
As shown in fig. 3, a schematic structural view of the gear position adjusting assembly; specifically, at least two limiting clamping grooves 311 which are matched and clamped with the limiters 320 are formed on the gear piece 310; the limit clamping groove 311 is matched with the limiter 320 and is used for controlling the displacement of the gear piece, and meanwhile, the more the limit clamping groove 311 is, the more the gear of the lying angle which can be adjusted by a user is.
FIG. 4 is a schematic illustration of a dual rocker telescoping assembly; specifically, the dual-rocker telescopic assembly 200 includes symmetrically arranged telescopic rocker mechanisms 210, the two telescopic rocker mechanisms 210 are fixedly connected through a support connecting rod 350, and one ends of the two telescopic rocker mechanisms 210 are rotatably connected through a latch assembly 400; the telescopic rocker mechanism 210 and the chair back frame 120 are matched through the transmission connecting rod 360 to transfer motion, so that the overall posture of the back pushing chair frame is controlled, and a user can obtain better sitting and leaning experience.
FIG. 4 is a schematic illustration of a dual rocker telescoping assembly; specifically, the telescopic rocker mechanism 210 includes a first driving link 211 and a second driving link 213, one ends of the first driving link 211 and the second driving link 213 are both rotatably connected with the latch assembly 400, a first driven link 212 is rotatably connected between the first driving link 211 and the second driving link 213, the bottom of the first driving link 211 is connected with one end of the first driven link 212, the other end of the first driven link 212 is connected with a foot rest mounting plate 220, one end of the second driven link 214 is connected on the foot rest mounting plate 220, and the other end of the second driven link 214 is rotatably connected with the bottom of the second driving link 213; the linear motion input by the transmission link 360 is converted into a curved motion or a combination motion of a straight line and a curved line, and the motion characteristics of the end part mounted to the telescopic rocker mechanism 210 are adjusted.
FIG. 5 is a schematic view of a latch assembly; specifically, the latch assembly 400 includes a latch positioning block 410, a latch main body 420 and a latch limiting bar 430, wherein a mounting through hole 411 is formed on the latch positioning block 410, and the latch main body 420 passes through the mounting through hole 411 and is connected with the latch limiting bar 430; the latch assembly 400 can be quickly assembled or disassembled, so that the process of assembling or disassembling the push back chair frame is simpler and more convenient for a user, meanwhile, the latch limiting bar 430 can be round or square, the round latch limiting bar 430 does not completely limit the rotational freedom of the component, and the square latch limiting bar 430 completely limits the rotational freedom of the component.
FIG. 4 is a schematic illustration of a dual rocker telescoping assembly; specifically, at least two mounting holes 221 are formed on the mounting plate 220, and the mounting holes 221 are arranged along the length direction of the mounting plate 220; the mounting hanging holes 221 provide positioning when mounting the foot rest plate, facilitating user installation.
FIG. 4 is a schematic illustration of a dual rocker telescoping assembly; specifically, the aperture of the mounting hanging hole 221 is in a structure with a large upper part and a small lower part; when an external part (such as a foot supporting plate) is installed, the bolt is pushed in from the position with larger aperture, and simultaneously under the action of gravity, the bolt slides to the position with smaller aperture, so that the auxiliary positioning is carried out on the installation of the bolt, and the external part is convenient for a user to install.
According to another aspect of embodiments of the present application, there is also provided a push back chair comprising the push back chair frame of any of the embodiments described above.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model; thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Although the reference numerals in the figures are used more herein: the seat body frame 100, the seat frame 110, the seatback frame 120, the double rocker telescopic assembly 200, the telescopic rocker mechanism 210, the first driving link 211, the first driven link 212, the second driving link 213, the second driven link 214, the foot rest mounting plate 220, the mounting hanging hole 221, the gear adjusting assembly 300, the gear piece 310, the limit clamping groove 311, the limiter 320, the elastic element 330, the lifting rope 340, the support link 350, the transmission link 360, the positioning frame 370, the latch assembly 400, the latch positioning block 410, the mounting through hole 411, the latch body 420, the latch limit bar 430, and the like, but the possibility of using other terms is not excluded. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.
Claims (10)
1. A push back chair frame, which is characterized by comprising a chair main body frame (100), a double-rocker telescopic assembly (200) and a gear adjusting assembly (300);
The seat main body frame (100) includes a seat frame (110) and a back frame (120) that rotates with respect to one end of the seat frame (110); one end of the seat frame (110) is connected with the chair back frame (120) through a bolt assembly (400), and the other end of the seat frame (110) is connected with the chair back frame (120) through a gear adjusting assembly (300);
The double-rocker telescopic assembly (200) and the gear adjusting assembly (300) are positioned at the bottom of the seat frame (110), and the gear adjusting assembly (300) is used for controlling the rotation angle between the seat frame (110) and the chair back frame (120) and synchronously driving the double-rocker telescopic assembly (200) to move.
2. A push back chair frame according to claim 1, wherein the gear adjustment assembly (300) comprises a gear plate (310), a stop (320), a resilient element (330), a lift cord (340), a support link (350) and a transmission link (360); one end of the elastic element (330) is connected with the tail end of the gear piece (310), and the other end is connected with the seat frame (110); the lifting rope (340) is connected to the gear piece (310); the limiter (320) is fixedly arranged on the supporting connecting rod (350); one end of the transmission connecting rod (360) is connected with the supporting connecting rod (350), and the other end is connected with the chair back frame (120).
3. A push back chair frame according to claim 2, wherein the gear adjustment assembly (300) further comprises a positioning frame (370); the locating frame (370) is fixedly arranged on the supporting connecting rod (350), the limiter (320) is arranged in the locating frame (370), and the lifting rope (340) penetrates through the locating frame (370) to be connected with the gear piece (310).
4. A push back chair frame according to claim 2, wherein the gear piece (310) is formed with at least two limit clamping grooves (311) which are matched and clamped with the limit device (320).
5. A push back chair frame according to claim 1, wherein the double rocker telescopic assembly (200) comprises symmetrically arranged telescopic rocker mechanisms (210); the two telescopic rocker mechanisms (210) are fixedly connected through a support connecting rod (350); one end of each telescopic rocker mechanism (210) is rotatably connected through a bolt assembly (400).
6. A push back chair frame according to claim 5, wherein the telescopic rocker mechanism (210) comprises a first active link (211) and a second active link (213); one end of each of the first driving connecting rod (211) and the second driving connecting rod (213) is rotationally connected with the bolt assembly (400); a first driven connecting rod (212) is rotationally connected between the first driving connecting rod (211) and the second driving connecting rod (213); the bottom of first initiative connecting rod (211) is connected with the one end of first driven connecting rod (212), and the other end of first driven connecting rod (212) is connected with foot rest mounting panel (220), is connected with the one end of second driven connecting rod (214) on foot rest mounting panel (220), and the other end of second driven connecting rod (214) rotates with the bottom of second initiative connecting rod (213) and is connected.
7. The push back chair frame according to claim 1, wherein the latch assembly (400) comprises a latch locating block (410), a latch body (420) and a latch stop bar (430); the bolt locating block (410) is provided with a mounting through hole (411), and the bolt main body (420) passes through the mounting through hole (411) and is connected with the bolt limiting strip (430).
8. The frame of a push chair according to claim 6, wherein the footrest mounting plate (220) has at least two mounting holes (221), the mounting holes (221) being disposed along the length of the footrest mounting plate (220).
9. A push back chair frame according to claim 8, wherein the aperture of the mounting hole (221) is of a top-large bottom-small configuration.
10. A push back chair comprising a push back chair frame according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420219244.8U CN221671282U (en) | 2024-01-30 | 2024-01-30 | Back pushing chair frame and back pushing chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420219244.8U CN221671282U (en) | 2024-01-30 | 2024-01-30 | Back pushing chair frame and back pushing chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221671282U true CN221671282U (en) | 2024-09-10 |
Family
ID=92624766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420219244.8U Active CN221671282U (en) | 2024-01-30 | 2024-01-30 | Back pushing chair frame and back pushing chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221671282U (en) |
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2024
- 2024-01-30 CN CN202420219244.8U patent/CN221671282U/en active Active
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