CN220832437U - Chair frame structure - Google Patents

Abstract

The utility model relates to the technical field of chairs and discloses a chair frame structure, which comprises two armrest frames, wherein a cushion is arranged on one side, close to each other, of each armrest frame, the cushion is connected with the armrest frame through a first mounting assembly, front standing feet are arranged at the front ends of the bottom sides of the two armrest frames, rear standing feet are arranged at the rear ends of the bottom sides of the two armrest frames, the front standing feet and the rear standing feet are connected with the armrest frame through a second mounting assembly, anti-slip pads are fixedly connected to the bottom sides of the front standing feet and the rear standing feet, a backrest frame is rotatably connected to the bottom ends of the rear side of the armrest frame, and a rotating rod is fixedly connected to the bottom ends of the backrest frame. According to the utility model, the angle of the backrest of the chair can be freely adjusted, so that the scheme of adjusting the most comfortable backrest angle of a user during use can be adopted according to the user, the flexibility of the structure is improved, and the comfort of the user is improved.

Description

Chair frame structure

Technical Field

The utility model relates to the technical field of chairs, in particular to a chair frame structure.

Background

The chair is a daily furniture, a seat with a backrest and armrests. Modern chairs are attractive and fashionable, and some chairs are not used as seats alone, so that the life of people is more convenient under the combination of science and technology.

Through searching, chinese patent discloses a multipurpose chair (bulletin number is CN 218852267U), which comprises a bottom frame and a seat body, and further comprises: the height adjusting assembly is arranged at the top of the underframe and is connected with the base body; the armrests are arranged on the side walls of the seat body; the placing tables are arranged on the handrails and symmetrically provided with two groups, and the two groups of placing tables are connected through the clamping assembly; the boss is arranged on the side wall of the seat body and is matched with the placing table; the support telescopic column is arranged between the underframe and the seat body; the chair is simple in structure and convenient to use, is suitable for adults and infants, can be suitable for different crowds, is high in practicability and comfort, does not need to independently purchase an adult chair and an infant chair, and effectively reduces the occupied space and the purchase cost of the chair.

The above-mentioned patent search technology can be adapted to different people for use, but the problem that the chair backrest can not be adjusted, thus leading to the chair lacking certain comfort, therefore, the person skilled in the art provides a chair frame structure to solve the problem presented in the above-mentioned background technology.

Disclosure of utility model

The utility model aims to solve the defects in the prior art, and provides a chair frame structure which aims to solve the problem that a chair backrest cannot be adjusted to lack certain comfortableness in the prior art.

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

The utility model provides a chair frame structure, includes two handrail frames, two near one side of handrail frames is provided with the cushion, link to each other through installation component one between cushion and the handrail frames, two the bottom side front end of handrail frames is provided with the front and stands the foot, two the bottom side rear end of handrail frames is provided with the back and stands the foot, front and back stand the foot and all link to each other with the handrail frames through installation component two, the equal fixedly connected with slipmat of bottom of front and back stand the foot, the rear side bottom rotation of handrail frames is connected with back frame, back frame's bottom fixedly connected with bull stick, the outer wall fixedly connected with locating part of bull stick, the spout has been seted up to the bottom of one side of handrail frames near the locating part, the inside sliding connection of spout has the block, the block links to each other with the periphery of locating part, one side that the locating part was kept away from to the block is provided with reset assembly, front and back stand the near one side of foot is provided with flexible subassembly.

Through above-mentioned technical scheme, a plurality of recesses have been seted up to locating part periphery, after the back frame rotates different angles, in going into the recess through the block card, restrict the locating part, prevent its rotation, and then fix the angle of back frame. When the angle of the chair backrest is adjusted, the clamping block is pressed into the sliding groove, the limit of the clamping block on the limiting piece is relieved, the backrest frame is then rotated around the rotating rod, the angle of the backrest frame is adjusted, the angle of a structure connected with the backrest frame is adjusted, the angle of the chair backrest is adjusted, after the angle is adjusted, the clamping block rebounds through the spring and is clamped into the groove of the limiting piece again, the backrest frame is fixed, and the angle adjustment of the chair backrest is completed.

Further, the bottom fixedly connected with two swivel mounts one of them handrail frame is close to another handrail frame one side, another handrail frame is close to one of them handrail frame one side's bottom fixedly connected with two swivel mounts two, swivel mount one's top side and swivel mount two's bottom side all rotate and be connected with the rotating member, two rotate and be connected with the rotating member between the rotating member.

Through above-mentioned technical scheme, through rotating a plurality of both ends of rotating the piece respectively on swivel mount one, swivel mount two and rotating the piece, can realize that two handrail frames are expanded or accomodate together with the back frame of being connected with handrail frame between, make the chair can dismantle the back, reduce the occupation space who accomodates.

Further, the first installation component includes two slots and two plug-ins, two the slot respectively fixed connection is in two the bottom of the close one side of handrail frame, one of them the slot sets up two the close one side of swivel mount one, another the slot sets up two the close one side of swivel mount two, two the plug-in components are fixed connection respectively both ends about the bottom side of cushion, slot interference fit is in the inside of plug-in components.

Through above-mentioned technical scheme, the structure bottom side of cushion is the plastic slab of stereoplasm, and the plastic slab top side is comfortable soft material constitution. In order to install the seat cushion between the two armrest frames by inserting the insert into the slot, the stability of the structure of the two armrest frames is stabilized.

Further, the second installation component comprises a first sliding part and a second sliding part, the first sliding part is fixedly connected to the rear end of the bottom side of the handrail frame, the second sliding part is fixedly connected to the front end of the bottom side of the handrail frame, the first sliding groove is formed in the top side of the front standing leg, the second sliding part is connected to the inner portion of the first sliding groove in a sliding mode, the second sliding groove is formed in the top side of the rear standing leg, and the first sliding part is connected to the inner portion of the second sliding groove in a sliding mode.

Through the technical scheme, the front standing leg and the rear standing leg can be detached or installed from the handrail frame by sliding, detaching and sliding installing the first sliding groove and the second sliding groove on the corresponding first sliding piece and the second sliding piece.

Further, the flexible subassembly includes flexible cover, telescoping member one and telescoping member two, one end fixed connection of telescoping member one is on the one side that the back stand foot is close to the preceding stand foot, one end fixed connection of telescoping member two is on the one side that the front stand foot is close to the back stand foot, the flexible cover sets up in the close one side of front stand foot and back stand foot, the other end of telescoping member one with the equal sliding connection of the other end of telescoping member two is inside the flexible cover.

Through the technical scheme, when the front standing leg and the rear standing leg are installed, the first telescopic piece and the second telescopic piece slide in the telescopic sleeve and extend outwards, the distance between the front standing leg and the rear standing leg is further increased, the first sliding piece and the second sliding piece are aligned, the first sliding groove is installed on the second sliding piece, the rear standing leg is pushed, the first telescopic piece and the second telescopic piece slide in the telescopic sleeve, the distance between the front standing leg and the rear standing leg is shortened, the second sliding groove is installed inside the first sliding piece, and the installation of the front standing leg and the rear standing leg is completed.

Further, reset assembly includes the spring, the one end of spring links to each other with the one side that the clamping piece kept away from the locating part, the other end of spring links to each other with the one side that the spout is close to the locating part.

Through above-mentioned technical scheme, the spring possesses the effect that resets simultaneously and support, when back frame does not rotate, through the position of spring support block, utilizes the recess that the block blocked the locating part, fixes it, prevents that the locating part from rotating, fixes back frame promptly, prevents that it from rotating. After the back frame is actively adjusted, the pressed clamping block is ejected out of the inside of the chute again by the acting force of the spring under the rebound action of the compressed spring and clamped on the groove of the limiting piece.

Further, two the close one side fixed connection of back frame is all fixedly connected with a plurality of installed parts, and a plurality of the close one side of installed part is provided with the back, both ends are provided with a plurality of wiring about the back, the mounting hole has been seted up to the outer wall of installed part, wiring links to each other with the mounting hole.

Through above-mentioned technical scheme, the back comprises the screen cloth, can fold when the chair accomodates.

Further, a third sliding part is fixedly connected to the rear side of the backrest frame, and the third sliding part is connected to the inside of the first sliding groove in a sliding mode.

Through above-mentioned technical scheme, accessible carries out the slip with telescoping member one and telescoping member two in the flexible cover, and the interval of extension front standing foot and back standing foot is put down back frame and is connected the structure through rotating back frame and then with back frame, on follow the rear side sliding installation of slider three with spout two through gliding mode, and then with the chair change into the structure that can lie down.

The utility model has the following beneficial effects:

1. according to the utility model, the angle of the backrest of the chair can be freely adjusted by mutually matching the rotating rod, the limiting piece, the spring and the clamping block, so that the scheme of adjusting the most comfortable backrest angle of a user during use can be adopted according to the user, the flexibility of the structure is improved, and the comfort of the user is improved.

2. According to the utility model, the chair can be conveniently and rapidly disassembled and assembled through the mutual matching of the telescopic component, the first rotating seat, the second rotating seat, the rotating component, the first mounting component and the second mounting component, so that the occupied space of the chair during storage is reduced, and the storage and transportation of the chair are more convenient.

Drawings

FIG. 1 is a perspective view of a chair frame structure according to the present utility model;

FIG. 2 is a flat view of a back frame of a chair frame structure according to the present utility model;

FIG. 3 is a schematic view of a rotating member of a chair frame structure according to the present utility model;

FIG. 4 is a schematic view of a telescopic sleeve of a chair frame structure according to the present utility model;

Fig. 5 is a schematic structural view of a limiting component of a chair frame structure according to the present utility model;

FIG. 6 is a schematic view of the position of the first and third sliders in a chair frame configuration according to the present utility model;

Fig. 7 is a schematic view illustrating the storage of an armrest frame in a chair frame structure according to the present utility model;

Fig. 8 is an enlarged view at a of fig. 1.

Legend description:

1. A handrail frame; 2. a cushion; 3. a backrest frame; 4. front stand legs; 5. a rear standing foot; 6. a telescopic sleeve; 7. a first telescopic piece; 8. a second telescopic member; 9. an anti-slip pad; 10. a first slider; 11. a second slider; 12. a third slide; 13. a backrest; 14. a mounting member; 15. binding ropes; 16. a rotating rod; 17. a limiting piece; 18. a clamping block; 19. a spring; 20. rotating the first base; 21. a second rotating seat; 22. a rotating member; 23. a rotating member; 24. a slot; 25. an insert.

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, 3 and 5, one embodiment provided by the present utility model is: the chair frame structure comprises two handrail frames 1, a seat cushion 2 is arranged on one side of the two handrail frames 1 close to each other, the seat cushion 2 is connected with the handrail frames 1 through a first mounting component, front standing feet 4 are arranged at the front ends of the bottom sides of the two handrail frames 1, rear standing feet 5 are arranged at the rear ends of the bottom sides of the two handrail frames 1, the front standing feet 4 and the rear standing feet 5 are connected with the handrail frames 1 through a second mounting component, anti-skid pads 9 are fixedly connected to the bottom sides of the front standing feet 4 and the rear standing feet 5, a backrest frame 3 is rotatably connected to the bottom ends of the rear side of the handrail frames 1, a rotating rod 16 is fixedly connected to the bottom ends of the backrest frame 3, a limiting piece 17 is fixedly connected to the outer wall of the rotating rod 16, a sliding groove is formed in the bottom end of one side, close to the limiting piece 17, of the sliding groove is slidably connected with a clamping block 18, a reset component is arranged on one side, far away from the limiting piece 17, of the clamping block 18, and a telescopic component is arranged on one side, close to the front standing feet 4 and the rear standing feet 5; the reset assembly comprises a spring 19, one end of the spring 19 is connected with one side of the clamping block 18, which is far away from the limiting piece 17, and the other end of the spring 19 is connected with one side of the chute, which is close to the limiting piece 17;

Specifically, the spring 19 has the functions of resetting and supporting at the same time, when the backrest frame 3 does not rotate, the position of the clamping block 18 is supported by the spring 19, the groove of the limiting piece 17 is clamped by the clamping block 18, the limiting piece 17 is fixed, and the backrest frame 3 is prevented from rotating, namely, the backrest frame 3 is fixed. The periphery of the limiting piece 17 is provided with a plurality of grooves, after the backrest frame 3 rotates for different angles, the limiting piece 17 is limited after being clamped into the grooves through the clamping blocks 18, so that the rotation of the limiting piece 17 is prevented, and the angle of the backrest frame 3 is fixed;

When the angle of the backrest of the chair is adjusted, the clamping block 18 is pressed into the sliding groove, the spring 19 is compressed, the limit of the clamping block 18 on the limiting piece 17 is released, then the backrest frame 3 rotates around the rotating rod 16, the angle of the backrest frame is adjusted, the angle of a structure connected with the backrest frame 3 is adjusted, the angle of the backrest of the chair is adjusted, after the angle is adjusted, the pressed clamping block 18 is ejected out of the sliding groove again under the resilience action of the compressed spring 19 under the action of the acting force of the spring 19, and is clamped into the groove of the limiting piece 17 again, so that the backrest frame 3 is fixed, and the angle adjustment of the backrest of the chair is completed.

Referring to fig. 1 and 8, a plurality of mounting members 14 are fixedly connected to one side of the two backrest frames 3, a backrest 13 is arranged on one side of the two backrest frames 14, a plurality of binding ropes 15 are arranged at the left end and the right end of the backrest 13, mounting holes are formed in the outer walls of the mounting members 14, and the binding ropes 15 are connected with the mounting holes;

Specifically, the backrest 13 is made of mesh cloth, and can be folded when the chair is stored. Both the left and right ends of the backrest are mounted in mounting holes of the mounting member 14 through the binding 15, and when the backrest 13 is damaged, the backrest 13 can be replaced by releasing the binding 15.

Referring to fig. 3, 6 and 7, the bottom end of one side of the armrest frame 1, which is close to the other armrest frame 1, is fixedly connected with two first rotary seats 20, the bottom end of the other armrest frame 1, which is close to one side of the armrest frame 1, is fixedly connected with two second rotary seats 21, the top side of the first rotary seat 20 and the bottom side of the second rotary seats 21 are both rotatably connected with rotary pieces 22, and a rotary piece 23 is rotatably connected between the two rotary pieces 22; the first installation component comprises two slots 24 and two plug-in pieces 25, wherein the two slots 24 are respectively and fixedly connected to the bottom ends of the adjacent sides of the two armrest frames 1, one slot 24 is arranged on the adjacent side of the two first rotary seats 20, the other slot 24 is arranged on the adjacent side of the two second rotary seats 21, the two plug-in pieces 25 are respectively and fixedly connected to the left end and the right end of the bottom side of the seat cushion 2, and the slots 24 are in interference fit inside the plug-in pieces 25;

Specifically, by rotating the two ends of the plurality of rotating members 22 on the first swivel seat 20, the second swivel seat 21 and the rotating member 23, the two armrest frames 1 and the backrest frame 3 connected with the armrest frames 1 can be unfolded or stored, so that the occupied space for storing is reduced after the chair is disassembled. The bottom side of the cushion 2 is a hard plastic plate, and the top side of the plastic plate is made of comfortable soft materials. In order to mount the seat cushion 2 between the two armrest frames 1 by inserting the insert 25 into the slot 24, the stability of the structure of the two armrest frames 1 is stabilized. The front leg 4 and the rear leg 5 can be detached or attached from the armrest frame 1 by sliding the first and second runners on the corresponding first and second slides 10, 11.

Referring to fig. 4 and 6, the telescopic assembly comprises a telescopic sleeve 6, a telescopic first 7 and a telescopic second 8, wherein one end of the telescopic first 7 is fixedly connected to one side of the rear standing leg 5 close to the front standing leg 4, one end of the telescopic second 8 is fixedly connected to one side of the front standing leg 4 close to the rear standing leg 5, the telescopic sleeve 6 is arranged on one side close to the front standing leg 4 and the rear standing leg 5, and the other end of the telescopic first 7 and the other end of the telescopic second 8 are both in sliding connection inside the telescopic sleeve 6;

Specifically, when the front stand 4 and the rear stand 5 are installed, the first telescopic piece 7 and the second telescopic piece 8 slide in the telescopic sleeve 6 and extend outwards, the distance between the front stand 4 and the rear stand 5 is increased, the first sliding piece 10 and the second sliding piece 11 are aligned, the first sliding groove is installed on the second sliding piece 11, the rear stand 5 is pushed, the first telescopic piece 7 and the second telescopic piece 8 slide in the telescopic sleeve 6, the distance between the front stand 4 and the rear stand 5 is shortened, the second sliding groove is installed in the first sliding piece 10, and the installation of the front stand 4 and the rear stand 5 is completed.

Referring to fig. 2, a third slider 12 is fixedly connected to the rear side of the backrest frame 3, and the third slider 12 is slidably connected to the inside of the first chute;

Specifically, the first telescopic member 7 and the second telescopic member 8 can slide in the telescopic sleeve 6, the distance between the front standing leg 4 and the rear standing leg 5 is prolonged, the backrest frame 3 and the connected structure are flattened by rotating the backrest frame 3, the sliding groove two is slidably arranged from the rear side of the third sliding member 12, and the chair is further changed into a structure capable of lying down.

Working principle: when the angle of the backrest of the chair is adjusted, firstly, the clamping block 18 is pressed into the chute, the spring 19 is compressed under the action of the clamping block 18, the limit of the clamping block 18 to the limiting piece 17 is released, then the backrest frame 3 rotates around the rotating rod 16, the angle of the backrest frame 3 is adjusted, the angle of the structure connected with the backrest frame 3 is adjusted, the angle of the backrest of the chair is adjusted, the limiting piece is driven by the rotating rod 16 to rotate simultaneously, after the angle is adjusted, the pressed clamping block 18 is ejected from the inside of the chute again under the rebound action of the compressed spring 19, and is clamped into the groove of the limiting piece 17 again, so that the backrest frame 3 is fixed, and the angle adjustment of the backrest of the chair is completed. Still accessible is with telescoping member one 7 and telescoping member two 8 slide in telescopic sleeve 6, and the interval of extension front leg 4 and back leg 5 is put back frame 3 and is put down with the structure of connection through rotating back frame 3 and then, on sliding the installation from the rear side sliding of slider three 12 through the gliding mode with spout two-way, and then changes the chair into the structure that can lie down.

When the chair is installed, the two ends of the rotating pieces 22 are respectively rotated on the first swivel seat 20, the second swivel seat 21 and the rotating piece 23, so that the two armrest frames 1 and the backrest frame 3 connected with the armrest frames 1 can be unfolded, then the plug-in piece 25 is inserted into the slot 24, the cushion 2 is installed between the two armrest frames 1, the stability of the structures of the two armrest frames 1 is stabilized, then the first telescopic piece 7 and the second telescopic piece 8 slide in the telescopic sleeve 6 and extend outwards, the distance between the front standing leg 4 and the rear standing leg 5 is increased, the first sliding groove is installed on the second sliding piece 11, the rear standing leg 5 is pushed, the first telescopic piece 7 and the second telescopic piece 8 slide in the telescopic sleeve 6, the distance between the front standing leg 4 and the rear standing leg 5 is shortened, the second sliding groove is installed in the first sliding piece 10, the installation of the front standing leg 4 and the rear standing leg 5 is completed, and the chair can be disassembled and stored in a reverse operation.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (8)

1. A chair frame structure comprising two armrest frames (1), characterized in that: two near one side of handrail frame (1) is provided with cushion (2), link to each other through installation component one between cushion (2) and handrail frame (1), two the bottom side front end of handrail frame (1) is provided with preceding standing foot (4), two the bottom side rear end of handrail frame (1) is provided with back standing foot (5), preceding standing foot (4) and back standing foot (5) all link to each other with handrail frame (1) through installation component two, the bottom side of preceding standing foot (4) and back standing foot (5) is all fixedly connected with slipmat (9), the rear side bottom rotation of handrail frame (1) is connected with back frame (3), the bottom fixedly connected with bull stick (16) of back frame (3), outer wall fixedly connected with locating part (17) of bull stick (16), the spout has been seted up to the bottom of the one side of being close to locating part (17) of handrail frame (1), the inside sliding connection of spout has block (18), block (18) and the equal fixedly connected with of bottom side of back standing foot (5) are located outside the locating part (17), the limit part is kept away from to the setting up with the one side of the expansion and is kept away from the expansion and is located one side of the assembly (5).

2. A chair frame structure according to claim 1, wherein: one of them handrail frame (1) is close to another handrail frame (1) the bottom fixedly connected with two transposition one (20) of one side, another handrail frame (1) is close to one of them handrail frame (1) the bottom fixedly connected with two transposition two (21) of one side, the top side of transposition one (20) and the bottom side of transposition two (21) all rotate and are connected with rotating piece (22), two rotate between rotating piece (22) and be connected with rotating piece (23).

3. A chair frame structure according to claim 2, wherein: the first installation component comprises two slots (24) and two plug-ins (25), wherein the two slots (24) are respectively and fixedly connected to the bottom ends of the similar sides of the handrail frame (1), one slot (24) is arranged on the similar sides of the two first rotating seats (20), the other slot (24) is arranged on the similar sides of the two second rotating seats (21), the two plug-ins (25) are respectively and fixedly connected to the left and right ends of the bottom sides of the seat cushion (2), and the slots (24) are in interference fit with the inside of the plug-ins (25).

4. A chair frame structure according to claim 1, wherein: the mounting assembly comprises a first sliding part (10) and a second sliding part (11), the first sliding part (10) is fixedly connected to the rear end of the bottom side of the handrail frame (1), the second sliding part (11) is fixedly connected to the front end of the bottom side of the handrail frame (1), a first sliding groove is formed in the top side of the front standing leg (4), the second sliding part (11) is connected to the inside of the first sliding groove in a sliding mode, a second sliding groove is formed in the top side of the rear standing leg (5), and the first sliding part (10) is connected to the inside of the second sliding groove in a sliding mode.

5. A chair frame structure according to claim 1, wherein: the telescopic component comprises a telescopic sleeve (6), a first telescopic part (7) and a second telescopic part (8), one end of the first telescopic part (7) is fixedly connected to one side, close to the front standing leg (4), of the rear standing leg (5), one end of the second telescopic part (8) is fixedly connected to one side, close to the rear standing leg (5), of the front standing leg (4), the telescopic sleeve (6) is arranged on one side, close to the front standing leg (4) and the rear standing leg (5), and the other end of the first telescopic part (7) and the other end of the second telescopic part (8) are connected to the inside of the telescopic sleeve (6) in a sliding mode.

6. A chair frame structure according to claim 1, wherein: the reset assembly comprises a spring (19), one end of the spring (19) is connected with one side, far away from the limiting piece (17), of the clamping block (18), and the other end of the spring (19) is connected with one side, close to the limiting piece (17), of the sliding groove.

7. A chair frame structure according to claim 1, wherein: the two similar one sides of back frame (3) are all fixedly connected with a plurality of installed parts (14), and a plurality of near one sides of installed parts (14) are provided with back (13), both ends are provided with a plurality of binding ropes (15) about back (13), the mounting hole has been seted up to the outer wall of installed part (14), binding ropes (15) link to each other with the mounting hole.

8. A chair frame structure according to claim 4, wherein: the back frame (3) is fixedly connected with a third sliding part (12) at the rear side, and the third sliding part (12) is connected in the first sliding groove in a sliding way.