CN223286817U - A bundle-type folding chair with adjustable backrest - Google Patents
A bundle-type folding chair with adjustable backrestInfo
- Publication number
- CN223286817U CN223286817U CN202422710322.7U CN202422710322U CN223286817U CN 223286817 U CN223286817 U CN 223286817U CN 202422710322 U CN202422710322 U CN 202422710322U CN 223286817 U CN223286817 U CN 223286817U
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- Prior art keywords
- tube
- seat
- folding
- rotatably connected
- foot
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Abstract
本实用新型公开一种靠背可调的捆式折叠椅，包括椅架，所述椅架包括：前脚管、后脚管、座管、靠背管、扶手管、前交叉管折叠组件、后交叉折叠撑紧组件和前后脚管折叠组件；所述前交叉管折叠组件的上端可转动地与座管的前部相连，下端可转动地与前脚管的下端相连；所述座管的后端与靠背管下端活动连接；后交叉折叠撑紧组件的上端滑动连接在靠背管上，下端可转动地与后脚管相连；前后脚管折叠组件包括：翻转件和调档件，调档件安装在扶手管上，扶手管的后端可转动地与靠背管相连，前脚管和后脚管的上端接入调档件；翻转件的一端可转动地与后脚管相连，另一端可转动地与座管后端相连。本实用新型具有椅架扎实牢靠，承重好，靠背可多档位调节的优点。
The utility model discloses a folding chair with an adjustable backrest, comprising a chair frame, the chair frame including a front leg tube, a rear leg tube, a seat tube, a backrest tube, an armrest tube, a front cross tube folding assembly, a rear cross folding and tightening assembly, and a front and rear leg tube folding assembly. The upper end of the front cross tube folding assembly is rotatably connected to the front portion of the seat tube, and the lower end is rotatably connected to the lower end of the front leg tube. The rear end of the seat tube is movably connected to the lower end of the backrest tube. The upper end of the rear cross folding and tightening assembly is slidably connected to the backrest tube, and the lower end is rotatably connected to the rear leg tube. The front and rear leg tube folding assembly includes a flip member and a shift member. The shift member is mounted on the armrest tube, the rear end of the armrest tube is rotatably connected to the backrest tube, and the upper ends of the front and rear leg tubes are connected to the shift member. One end of the flip member is rotatably connected to the rear leg tube, and the other end is rotatably connected to the rear end of the seat tube. The utility model has the advantages of a solid and reliable chair frame, good load-bearing capacity, and a backrest that can be adjusted in multiple gears.
Description
Technical Field
The utility model relates to the technical field of seats, in particular to a bundle-type folding chair with an adjustable backrest.
Background
Most of the existing bundle-type folding chairs are provided with front and rear groups of cross pipes to realize bundle-type folding, or rear cross pipe assemblies are arranged on a rear backrest to realize bundle-type folding. The folding chair with the front and rear groups of cross pipes can not be adjusted, and the bundle folding chair with the rear cross pipe assemblies arranged on the rear backrest can be adjusted, but the rear foot pipes are not supported by the cross pipes, so that the chair is relatively swaying and is not firm.
Disclosure of utility model
In order to solve the technical problems in the prior art, the utility model provides a bundle-type folding chair with an adjustable backrest, which has the following specific technical scheme:
A bundle-type folding chair with an adjustable backrest comprises a chair frame, wherein the chair frame comprises a front foot tube, a rear foot tube, a seat tube, a backrest tube, an armrest tube, a front cross tube folding assembly, a rear cross folding tightening assembly and a front foot tube folding assembly and a rear foot tube folding assembly, the upper end of the front cross tube folding assembly is rotatably connected with the front part of the seat tube, the lower end of the front cross tube folding assembly is rotatably connected with the lower end of the front foot tube, the rear end of the seat tube is movably connected with the lower end of the backrest tube, the upper end of the rear cross folding tightening assembly is slidably connected onto the backrest tube, the lower end of the rear cross folding tightening assembly is rotatably connected with the rear foot tube, the front foot tube folding assembly and the rear foot tube folding assembly comprise a turnover piece and a gear piece, the gear piece is mounted on the armrest tube, the rear end of the armrest tube is rotatably connected with the backrest tube, one end of the front foot tube and the upper end of the rear foot tube is rotatably connected with the gear piece, and the other end of the turnover piece is rotatably connected with the rear end of the seat tube.
Further, the lower end of the front foot tube is provided with a first hinging piece, the front end of the seat tube is provided with a second hinging piece, the front cross tube folding assembly comprises two front cross tubes which are connected with each other in a rotating mode, the upper end of each front cross tube is connected to the second hinging piece in a rotating mode, and the lower end of each front cross tube is connected to the first hinging piece in a rotating mode.
The back cross folding bracing assembly comprises a bracing structure, a sliding sleeve, a back swing pipe, a fourth hinging piece and two back cross pipes which are connected with each other in a rotating mode, wherein the bracing structure is connected between the two back cross pipes which are connected with each other in a rotating mode, a third hinging piece is arranged on the body side of the sliding sleeve, the sliding sleeve is sleeved on the backrest pipe, the upper end of the back cross pipe is connected with the third hinging piece, the lower end of the back cross pipe is connected with one end of the back swing pipe in a rotating mode, and the other end of the back swing pipe is arranged on the back foot pipe in a rotatable mode through the fourth hinging piece.
Further, the supporting structure comprises a handle, wherein two ends of the handle are rotatably connected with supporting pipes, and the other ends of the supporting pipes are rotatably connected to two back cross pipes which are rotatably connected with each other.
Further, the other end of the turnover piece is provided with a limiting seat, the turnover piece is rotatably connected to the rear end side of the seat tube through the limiting seat, and the limiting seat abuts against the rear foot tube after the seat frame is unfolded.
Further, the gear shifting piece comprises a foot tube connecting seat and a gear shifting seat, wherein the gear shifting seat is arranged below the handrail tube, a gear tooth is arranged at the top of the foot tube connecting seat with a sliding tooth socket in the gear shifting seat, two tube orifices are arranged at the bottom of the gear shifting seat, the gear tooth is movably arranged in the sliding tooth socket, the upper end of the rear foot tube is fixedly connected into one tube orifice of the foot tube connecting seat, and the upper end of the front foot tube is riveted into the other tube orifice of the foot tube connecting seat.
Further, the front foot tube is provided with a supporting buckle, and the tube body of the seat tube is buckled into the supporting buckle.
Further, the rear end of the seat tube is connected with the lower end of the backrest tube by adopting an adapter.
Further, foot pads are arranged at the bottoms of the front foot tube and the rear foot tube.
Further, the seat tube and the backrest tube are provided with oxford or teslin.
The folding chair has the advantages of simple and reliable structure, firm compaction, good bearing, multi-gear adjustment of the backrest and small packaging volume.
Drawings
Fig. 1 is a schematic view of the structure of the front oblique angle in the opened state of the bundle-type folding chair of the present embodiment;
Fig. 2 is a schematic view of the structure of the rear angle of view in the opened state of the bundle-type folding chair of the present embodiment;
FIG. 3 is a schematic side view of the bundle-type folding chair of the present embodiment in an opened state;
FIG. 4 is a schematic view showing the structure of the front oblique angle in the half folded state of the bundle-type folding chair according to the present embodiment;
FIG. 5 is a schematic view showing the structure of the rear angle of view in the half-folded state of the bundle-type folding chair according to the present embodiment;
FIG. 6 is a schematic side view of the bundle-type folding chair of the present embodiment in a semi-folded state;
FIG. 7 is a schematic side view of the bundle-type folding chair of the present embodiment in a folded state;
FIG. 8 is a schematic view showing the structure of the rear angle of view in the folded state of the bundle-type folding chair of the present embodiment;
FIG. 9 is a schematic view of a sliding spline inside a shift seat of the bundle-type folding chair of the present embodiment;
In the figure, 1, a foot pad, 2, a first hinging piece, 3, a front cross pipe, 4, a front foot pipe, 5, a seat pipe, 6, a second hinging piece, 7, a rear foot pipe, 8, a turnover piece, 9, a limit seat, 10, a handrail pipe, 11, a foot pipe connecting seat, 12, a gear shifting seat, 13, a sliding sleeve, 14, a backrest pipe, 15, a third hinging piece, 16, a rear cross pipe, 17, a stay pipe, 18, a handle, 19, a rear swing pipe, 20, a fourth hinging piece, 21, an adapter, 22 and a support buckle.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
As shown in fig. 1 to 9, the present embodiment discloses a bundle-type folding chair with an adjustable backrest, wherein the chair frame structure of the folding chair is bilaterally symmetrical, and the chair frame comprises two front leg tubes 4, two rear leg tubes 7, two seat tubes 5, two backrest tubes 14, two armrest tubes 10, a front cross tube folding assembly, a rear cross folding tightening assembly, and a front and rear leg tube folding assembly.
Specifically, the bottoms of the two front foot tubes 4 and the two rear foot tubes 7 are respectively provided with a foot pad 1.
The upper ends of the front cross tube folding assembly are respectively riveted at the front parts of the two seat tubes 5, and the lower ends of the front cross tube folding assembly are respectively riveted at the lower ends of the two front foot tubes 4. The front foot pipe 4 is provided with a supporting buckle 22, the pipe body of the seat pipe 5 is buckled in the supporting buckle 22, and the rear end of the seat pipe 5 is riveted with the lower end of the backrest pipe 14 by adopting an adapter piece 21. The support buckle 22 plays a role in supporting assistance after the chair frame is unfolded, and plays a role in guiding the seat tube 5 during folding and unfolding.
The upper ends of the back cross folding bracing assembly are respectively connected to the two backrest tubes 14 in a sliding manner, and the lower ends of the back cross folding bracing assembly are respectively riveted to the two rear foot tubes 7. The back cross folding bracing assembly is provided with a bracing structure for bracing the firm chair frame during unfolding, so that the back cross folding bracing assembly is convenient to fold and carry.
The front foot tube folding assembly comprises a turnover piece 8 and a gear shifting piece. One end of the turnover piece 8 is riveted with the rear foot tube 7, the other end of the turnover piece is riveted with the rear end side of the seat tube 5, the gear shifting piece is fixedly arranged below the armrest tube 10, the rear end of the armrest tube 10 is riveted with the backrest tube 14, the upper end of the front foot tube 4 at the corresponding side is riveted and connected with the gear shifting piece, and the upper end of the rear foot tube 7 is fixedly connected with the gear shifting piece.
More specifically, the other end of the turnover member 8 is fixed with a limiting seat 9, and is riveted to the rear end side of the seat tube 5 through the limiting seat 9. The limiting seat 9 is used for propping and limiting the rear foot tube 7 after the chair frame is unfolded, so that the use stability of the chair frame is enhanced. The seat tube 5 can be pulled by clockwise swinging the overturning folding piece 8, so that the front foot and the rear foot are close to each other for folding.
The gear shifting piece comprises a foot pipe connecting seat 11 and a gear shifting seat 12, wherein the gear shifting seat 12 is fixedly arranged below the handrail pipe 10, a sliding tooth slot for adjusting the angle of a backrest is arranged in the gear shifting seat, gear teeth are arranged at the top of the foot pipe connecting seat 11, two pipe orifices are arranged at the bottom of the foot pipe connecting seat, the gear teeth are movably arranged in the sliding tooth slot, the upper end of a rear foot pipe 7 is fixedly connected into one pipe orifice of the foot pipe connecting seat 11, and the upper end of a front foot pipe 4 is riveted into the other pipe orifice of the foot pipe connecting seat 11. By pulling the armrest tube 10 back and forth, a change in the angle of the backrest is achieved.
The front cross tube folding assembly and the rear cross folding tightening assembly synchronously move, the seat tube 5 is driven to move forwards or backwards by the other end of the turnover folding piece 8 after rotating, the chair frame can be unfolded or folded in the left side direction and the right side direction, the front foot tube 4 riveted at the gear shifting piece is matched to rotate, the rear foot tube 7 is far away or close, the chair frame is unfolded or folded in the front-back direction, and rapid folding, storage and unfolding are realized. Wherein, when the backrest tube 14 is unfolded and used, the front-back amplitude adjustment of the backrest tube 10 is completed by shifting the armrest tube through a shifting piece.
The lower end of the front foot pipe 4 is provided with a first hinging piece 2, the front end of the seat pipe 5 is provided with a second hinging piece 6, the front cross pipe folding assembly comprises two front cross pipes 3 which are riveted with each other, the upper end of each front cross pipe 3 is riveted on the second hinging piece 6, and the lower end of each front cross pipe 3 is riveted on the first hinging piece 2.
The supporting structure comprises a supporting pipe 17 and a handle 18, the back cross folding supporting assembly further comprises a sliding sleeve 13, a back swing pipe 19, a fourth hinging piece 20 and two back cross pipes 16 which are riveted with each other, a third hinging piece 15 is arranged on the body side of the sliding sleeve 13, the sliding sleeve 13 is sleeved on the backrest pipe 14 and can freely slide, the upper end of the back cross pipe 16 is connected with the third hinging piece 15, the lower end of the back cross pipe is riveted with one end of the back swing pipe 19, the other end of the back swing pipe 19 is connected with the fourth hinging piece 20, the fourth hinging piece 20 is riveted on the back foot pipe 7, and the handle 18 is riveted between the two back cross pipes 16 through the supporting pipe 17. The chair frame structure controls the back cross folding and tightening assembly to fold or unfold through the handle 18 and drives the front cross tube folding assembly, so that the folding of the whole chair frame and the tightening of the chair frame in a firm unfolded state can be completed quickly and in a labor-saving manner, and the use experience of a user is greatly improved.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear) in the embodiments of the present utility model are merely used to explain the relative positional relationship between the components, the movement condition, and the like in a certain specific posture, and if the specific posture is changed, the directional indicator is changed accordingly. In the present utility model, unless explicitly specified and limited otherwise, the terms "connected," "fixed," and the like are to be construed broadly, and for example, "fixed" may be fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements or in an interaction relationship between two elements, unless otherwise explicitly specified. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the foregoing detailed description of the utility model has been provided, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing examples, and that certain features may be substituted for those illustrated and described herein. Modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (10)
1. A bundle-type folding chair with an adjustable backrest comprises a chair frame, wherein the chair frame comprises a front foot tube (4), a rear foot tube (7), a seat tube (5), a backrest tube (14), an armrest tube (10), a front cross tube folding assembly, a rear cross folding tightening assembly and a front foot tube folding assembly, and is characterized in that the upper end of the front cross tube folding assembly is rotatably connected with the front part of the seat tube (5), the lower end of the front cross tube folding assembly is rotatably connected with the lower end of the front foot tube (4), the rear end of the seat tube (5) is movably connected with the lower end of the backrest tube (14), the upper end of the rear cross folding tightening assembly is slidably connected to the backrest tube (14), the lower end of the rear cross folding tightening assembly is rotatably connected with the rear foot tube (7), the front foot tube folding assembly and the rear foot tube folding assembly comprise a turnover piece (8) and a gear piece, the gear piece is arranged on the armrest tube (10), the rear end of the armrest tube (10) is rotatably connected with the backrest tube (14), the rear end of the front foot tube (4) and the upper end of the rear foot tube (7) are rotatably connected with one end of the seat tube (5).
2. The bundle folding chair according to claim 1, characterized in that the lower end of the front leg tube (4) is provided with a first hinge (2), the front end of the seat tube (5) is provided with a second hinge (6), the front cross tube folding assembly comprises two front cross tubes (3) rotatably connected with each other, the upper ends of the front cross tubes (3) are rotatably connected to the second hinge (6), and the lower ends of the front cross tubes (3) are rotatably connected to the first hinge (2).
3. The bundle-type folding chair according to claim 1, wherein the back cross folding tightening assembly comprises a tightening structure, a sliding sleeve (13), a back swing pipe (19), a fourth hinging piece (20) and two back cross pipes (16) which are connected with each other in a rotating mode, the tightening structure is connected between the two back cross pipes (16) which are connected with each other in a rotating mode, a third hinging piece (15) is arranged on the body side of the sliding sleeve (13), the sliding sleeve (13) is sleeved on a backrest pipe (14), the upper end of the back cross pipe (16) is connected with the third hinging piece (15), the lower end of the back cross pipe is connected with one end of the back swing pipe (19) in a rotating mode, and the other end of the back swing pipe (19) is rotatably arranged on a rear foot pipe (7) through the fourth hinging piece (20).
4. A bundle-type folding chair according to claim 3, characterized in that the bracing structure comprises a handle (18), wherein two ends of the handle (18) are rotatably connected with a bracing tube (17), and the other ends of the bracing tube (17) are rotatably connected with two back cross tubes (16) which are rotatably connected with each other.
5. The bundle folding chair according to claim 1, characterized in that the other end of the turnover piece (8) is provided with a limiting seat (9) and is rotatably connected to the rear end side of the seat tube (5) through the limiting seat (9), and the limiting seat (9) abuts against the rear foot tube (7) after the chair frame is unfolded.
6. The bundle folding chair according to claim 1, wherein the gear shifting piece comprises a foot tube connecting seat (11) and a gear shifting seat (12), the gear shifting seat (12) is arranged below the handrail tube (10), a sliding tooth socket is arranged in the gear shifting seat (12), gear teeth are arranged at the top of the foot tube connecting seat (11), two tube orifices are arranged at the bottom of the foot tube connecting seat, the gear teeth are movably arranged in the sliding tooth socket, the upper end of the rear foot tube (7) is fixedly connected into one tube orifice of the foot tube connecting seat (11), and the upper end of the front foot tube (4) is riveted into the other tube orifice of the foot tube connecting seat (11).
7. The bundle folding chair according to claim 1, characterized in that the front leg tube (4) is provided with a supporting buckle (22), and the tube body of the seat tube (5) is buckled into the supporting buckle (22).
8. The bundle folding chair according to claim 1, characterized in that the rear end of the seat tube (5) is connected with the lower end of the backrest tube (14) by means of an adapter (21).
9. The bundle folding chair according to claim 1, characterized in that the bottoms of the front foot tube (4) and the rear foot tube (7) are provided with foot pads (1).
10. The bundle-type folding chair according to claim 1, characterized in that it further comprises oxford or teslin arranged on the seat tube (5) and the backrest tube (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422710322.7U CN223286817U (en) | 2024-11-07 | 2024-11-07 | A bundle-type folding chair with adjustable backrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422710322.7U CN223286817U (en) | 2024-11-07 | 2024-11-07 | A bundle-type folding chair with adjustable backrest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223286817U true CN223286817U (en) | 2025-09-02 |
Family
ID=96872980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422710322.7U Active CN223286817U (en) | 2024-11-07 | 2024-11-07 | A bundle-type folding chair with adjustable backrest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223286817U (en) |
-
2024
- 2024-11-07 CN CN202422710322.7U patent/CN223286817U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |