A folding bed chair

Abstract

This utility model relates to the field of chairs, and more particularly to a folding bed chair. A folding bed chair includes: a steel pipe frame and a chair fabric; the chair fabric is installed onto the steel pipe frame; the steel pipe frame includes: a main seat frame, a front frame, a backrest frame, a locking frame for locking the backrest frame position, support legs for supporting the backrest frame, a rear leg frame, a front leg frame, a telescopic rod assembly, and armrests; the main seat frame includes: a connecting rod and two side rods; the side rods include: an integrally formed long rod portion and a short rod portion; one end of the side rod is bent to form the short rod portion; both ends of the connecting rod are fixed to the two side rods; an abutment block is installed at the end of the short rod portion away from the long rod portion. The beneficial effects of this utility model are: by optimizing the structure of the main seat frame and the rear leg frame, the support strength and reliability of the rear legs are improved.

Description

Technical Field

[0001] This utility model relates to the field of chairs, and in particular to a folding bed chair. Background Technology

[0002] Traditional folding bed chairs typically have a main seat frame constructed from a single steel tube bent into a U-shape, as shown in the folding bed chair disclosed in document 201630088770.6. The rear legs are then attached to the bottom of the U-shaped main seat frame. This configuration results in relatively low strength at the rear leg connection points, necessitating optimization to improve overall strength. Utility Model Content

[0003] The purpose of this utility model is to provide a folding bed chair to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution:

[0005] A folding bed chair includes: a steel tube frame and a chair fabric; the chair fabric is installed on the steel tube frame; the steel tube frame includes: a main seat frame, a front frame, a backrest frame, a locking frame for locking the backrest frame, support legs for supporting the backrest frame, a rear leg frame, a front leg frame, a telescopic rod assembly, and armrests; the main seat frame includes: a connecting rod and two side rods; the side rods include: an integrally formed long rod portion and a short rod portion; one end of the side rod is bent to form the short rod portion; both ends of the connecting rod are fixed to the two side rods; an abutment block is installed at the end of the short rod portion away from the long rod portion; the front frame, backrest frame, locking frame, support legs, front leg frame, and rear leg frame are all formed into a U-shape by bending.

[0006] The two ends of the front frame are pivotally mounted to the ends of the two long poles away from the short poles; the two ends of the backrest frame are pivotally mounted to the two long poles; the two ends of the locking frame are pivotally mounted to the two ends of the backrest frame; the locking frame is provided with multiple positioning slots; the two ends of the outrigger frame are pivotally mounted to the two ends of the backrest frame; the two ends of the rear leg frame are pivotally mounted to the end of the short pole near the long pole; the front leg frame is pivotally mounted to the long pole.

[0007] The two ends of the armrest are pivotally connected to the front leg frame and the backrest frame, respectively; the two ends of the telescopic rod assembly are pivotally connected to the front leg frame and the front frame, respectively; the steel pipe frame has a chair state and a bed state; in the chair state, the connecting rod is embedded in the positioning groove, the abutment block abuts against the rear leg frame, and the front leg frame and the rear leg frame are in contact with the ground to provide support; in the bed state, the connecting rod is removed from the positioning groove, the abutment block abuts against the rear leg frame, and the front leg frame, the rear leg frame and the support frame are in contact with the ground to provide support.

[0008] As a further embodiment of this utility model: a crossbar is provided on the front leg frame; the crossbar connects the two ends of the front leg frame; in the bed state, the crossbar is located below the long rod section and supports the long rod section.

[0009] As a further embodiment of this utility model: the crossbar is fixed to the side of the front leg frame facing the front frame.

[0010] As a further embodiment of this utility model: a pipe clamp is provided in the middle of the support frame; the pipe clamp is snapped onto the support frame; in the bed state, the pipe clamp serves as a foot pad for the support frame and contacts the ground.

[0011] As a further embodiment of this utility model: the pivot axes of the armrest and the locking frame are coaxial with respect to the backrest frame.

[0012] As a further embodiment of this utility model: the telescopic rod assembly includes an inner rod and an outer rod that can slide telescopically; the inner rod is provided with an elastic locking pin; the outer rod is provided with a plurality of pin holes for cooperating with the elastic locking pin; the elastic locking pin is inserted into the pin holes to lock the relative positions of the inner rod and the outer rod.

[0013] As a further embodiment of this utility model: the two ends of the support leg frame are provided with pivoting parts; the support leg frame is pivotally mounted to the backrest frame through the pivoting parts.

[0014] As a further embodiment of this utility model: the pivot member is formed with a first limiting groove; the groove wall of the first limiting groove is formed with a limiting protrusion; in the bed state, the backrest frame is inserted into the first limiting groove, the limiting protrusion is located above the backrest frame, the bottom of the first limiting groove is located below the backrest frame, and the limiting protrusion and the bottom of the first limiting groove restrict the position of the backrest frame from the upper and lower sides.

[0015] As a further embodiment of this utility model: the pivot member is formed with a second limiting groove; in the chair state, the backrest frame is inserted into the second limiting groove, and the limiting protrusion is located below the backrest frame and abuts against the backrest frame.

[0016] As a further embodiment of this utility model: the chair fabric is installed on the main seat frame, the front frame and the backrest frame.

[0017] Compared with the prior art, the beneficial effects of this utility model are: by optimizing the structure of the main seat frame and the rear leg frame, the support strength and reliability of the rear legs are improved.

[0018] The front end of the short rod is connected to the rear leg frame, and the rear end is equipped with an abutment block. The extended lever arm abuts against the rear leg frame to form a two-point support at the front and rear, thereby improving the reliability of the structure.

[0019] The backrest frame is equipped with support legs to make the product more stable.

[0020] The locking frame functions as a folding mechanism, and the combination of multiple positioning slots and connecting rods enables multiple positions, allowing control of different tilt angles of the chair back.

[0021] The telescopic rod assembly allows for multi-position adjustment of the front frame, enabling various usage angles.

[0022] Other features and advantages of this utility model will be disclosed in detail in the following specific embodiments and accompanying drawings. Attached Figure Description

[0023] Figure 1 This is a perspective view of a folding bed and chair according to the present invention, showing the folding bed and chair in the chair state;

[0024] Figure 2 yes Figure 1 A 3D view of the back of the folding bed and chair;

[0025] Figure 3 yes Figure 1 Floor plan of the folding bed and chair;

[0026] Figure 4 yes Figure 1 A 3D view of the folding bed chair in its bed configuration;

[0027] Figure 5 yes Figure 4 Floor plan of the folding bed and chair;

[0028] Figure 6 yes Figure 1 A three-dimensional view of the pivot component of a folding bed-chair;

[0029] Figure 7 yes Figure 6 A three-dimensional view of the central transfer component from another perspective.

[0030] List of reference numerals in the attached diagram:

[0031] Steel pipe frame 10, main support frame 11, connecting rod 111, side rod 112, long rod section 1121, short rod section 1122, abutment block 113, front frame 12, backrest frame 13, locking frame 14, positioning groove 141, support leg frame 15, pipe clamp 151, pivot component 152, first limiting groove 153, limiting protrusion 1531, second limiting groove 154, rear leg frame 16, front leg frame 17, crossbar 171, telescopic rod assembly 18, inner rod 181, outer rod 182, elastic locking pin 183, handrail 19. Detailed Implementation

[0032] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0033] like Figures 1 to 7As shown, a folding bed chair includes: a steel tube frame 10 and a chair fabric. The chair fabric is installed on the steel tube frame 10. The steel tube frame 10 includes: a main seat frame 11, a front frame 12, a backrest frame 13, a locking frame 14, a support leg frame 15, a rear leg frame 16, a front leg frame 17, a telescopic rod assembly 18, and armrests 19. The locking frame 14 is used to lock the backrest frame 13 in position. The support leg frame 15 is used to support the backrest frame 13. The main seat frame 11 includes: a connecting rod 111 and two side rods 112. The side rods 112 include: a long rod portion 1121 and a short rod portion 1122. The long rod portion 1121 and the short rod portion 1122 are integrally formed. One end of the side rod 112 is bent to form the short rod portion 1122. Both ends of the connecting rod 111 are fixed to the two side rods 112. An abutment block 113 is installed at the end of the short pole 1122 away from the long pole 1121. The front frame 12, backrest frame 13, locking frame 14, outrigger frame 15, front leg frame 17 and rear leg frame 16 are all formed into a U-shape by bending.

[0034] Both ends of the front frame 12 are pivotally mounted to the ends of the two long poles 1121 away from the short poles 1122. Both ends of the backrest frame 13 are pivotally mounted to the two long poles 1121. Both ends of the locking frame 14 are pivotally mounted to the ends of the backrest frame 13. The locking frame 14 is provided with multiple positioning slots 141. Both ends of the support leg frame 15 are pivotally mounted to the ends of the backrest frame 13. The rear leg frame 16 is pivotally mounted to the end of the short pole 1122 near the long pole 1121. The front leg frame 17 is pivotally mounted to the long pole 1121.

[0035] The two ends of the armrest are pivotally connected to the front leg frame 17 and the backrest frame 13, respectively. The two ends of the telescopic rod assembly 18 are pivotally connected to the front leg frame 17 and the front frame 12, respectively. The steel pipe frame 10 has a chair state and a bed state. In the chair state, the connecting rod 111 is embedded in the positioning groove 141, the abutment block 113 abuts against the rear leg frame 16, and the front leg frame 17 and the rear leg frame 16 are in contact with the ground for support. In the bed state, the connecting rod 111 is removed from the positioning groove 141, the abutment block 113 abuts against the rear leg frame 16, and the front leg frame 17, the rear leg frame 16, and the support leg frame 15 are in contact with the ground for support.

[0036] In one specific implementation, the front leg frame 17 is provided with a crossbar 171. The crossbar 171 connects the two ends of the front leg frame 17. In the bed state, the crossbar 171 is located below the long rod portion 1121 and supports the long rod portion 1121.

[0037] In one specific implementation, the crossbar 171 is fixed to the side of the front leg frame 17 facing the front frame 12.

[0038] In one specific implementation, the support leg 15 has a pipe clamp 151 in the middle. The pipe clamp 151 is snapped onto the support leg 15. In the bed position, the pipe clamp 151 serves as a foot pad for the support leg 15 and contacts the ground.

[0039] In one specific implementation, the armrests and locking frame 14 are coaxial with the pivot axis of the backrest frame 13.

[0040] In one specific implementation, the telescopic rod assembly 18 includes an inner rod 181 and an outer rod 182. The inner rod 181 and the outer rod 182 slide telescopically. The inner rod 181 is provided with a resilient locking pin 183. The outer rod 182 is provided with multiple pin holes. The pin holes are used to engage with the resilient locking pin 183. The resilient locking pin 183 is inserted into the pin holes to lock the relative position of the inner rod 181 and the outer rod 182.

[0041] In one specific implementation, the support leg frame 15 is provided with pivot members 152 at both ends. The support leg frame 15 is pivotally mounted to the backrest frame 13 via the pivot members 152.

[0042] In one specific implementation, the pivot member 152 is formed with a first limiting groove 153. The groove wall of the first limiting groove 153 is formed with a limiting protrusion 1531. In the bed state, the backrest frame 13 is inserted into the first limiting groove 153, with the limiting protrusion 1531 located above the backrest frame 13 and the bottom of the first limiting groove 153 located below the backrest frame 13. The limiting protrusion 1531 and the bottom of the first limiting groove 153 restrict the position of the backrest frame 13 from the upper and lower sides.

[0043] In one specific implementation, the pivot member 152 is formed with a second limiting groove 154. In the chair state, the backrest frame 13 is engaged in the second limiting groove 154, and the limiting protrusion 1531 is located below the backrest frame 13 and abuts against the backrest frame 13.

[0044] In one specific implementation, the chair fabric is installed on the main seat frame 11, the front frame 12, and the backrest frame 13.

[0045] In one specific implementation, the ratio of the distance between the contact point of the abutment block and the rear leg frame to the pivot axis of the rear leg frame and the leg length of the rear leg frame is greater than 0.2 and less than 0.6.

[0046] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0047] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A foldable bed chair comprising: Steel pipe frame (10) and chair fabric; The chair fabric is installed onto the steel pipe frame (10); characterized in that the steel pipe frame (10) includes: a main seat frame (11), a front frame (12), a backrest frame (13), a locking frame (14) for locking the position of the backrest frame (13), a support leg frame (15) for supporting the backrest frame (13), a rear leg frame (16), a front leg frame (17), a telescopic rod assembly (18), and an armrest (19); the main seat frame (11) includes: a connecting rod (111) and two side rods (112); the side rods (112) include: an integrally formed long rod. The side rod (1121) and the short rod (1122) are connected by bending one end to form the short rod (1122); the two ends of the connecting rod (111) are fixed to the two side rods (112); an abutment block (113) is installed at the end of the short rod (1122) away from the long rod (1121); the front frame (12), the backrest frame (13), the locking frame (14), the support leg frame (15), the front leg frame (17) and the rear leg frame (16) are all formed into a U-shape by bending. The two ends of the front frame (12) are pivotally mounted to the ends of the two long rods (1121) away from the short rods (1122); the two ends of the backrest frame (13) are pivotally mounted to the two long rods (1121); the two ends of the locking frame (14) are pivotally mounted to the two ends of the backrest frame (13); the locking frame (14) is provided with a plurality of positioning slots (141); the two ends of the support leg frame (15) are pivotally mounted to the two ends of the backrest frame (13); the rear leg frame (16) is pivotally mounted to the end of the short rod (1122) near the long rod (1121); the front leg frame (17) is pivotally mounted to the long rod (1121). The two ends of the armrest are pivotally connected to the front leg frame (17) and the backrest frame (13), respectively; the two ends of the telescopic rod assembly (18) are pivotally connected to the front leg frame (17) and the front frame (12), respectively; the steel pipe frame (10) has a chair state and a bed state; in the chair state, the connecting rod (111) is embedded in the positioning groove (141), the abutting block (113) abuts against the rear leg frame (16), and the front leg frame (17) and the rear leg frame (16) are in contact with the ground for joint support; in the bed state, the connecting rod (111) is taken out from the positioning groove (141), the abutting block (113) abuts against the rear leg frame (16), and the front leg frame (17), the rear leg frame (16) and the support leg frame (15) are in contact with the ground for joint support.

2. A folding bed and chair according to claim 1, characterized in that, The front leg frame (17) is provided with a crossbar (171); the crossbar (171) connects the two ends of the front leg frame (17); in the bed state, the crossbar (171) is located below the long rod part (1121) and supports the long rod part (1121).

3. A folding bed and chair according to claim 2, characterized in that, The crossbar (171) is fixed to the side of the front leg frame (17) facing the front frame (12).

4. A folding bed and chair according to claim 1, characterized in that, The support frame (15) is provided with a pipe clamp (151) in the middle; the pipe clamp (151) is snapped onto the support frame (15); in the bed state, the pipe clamp (151) serves as a foot pad for the support frame (15) and contacts the ground.

5. A folding bed and chair according to claim 1, characterized in that, The armrest and the locking frame (14) are coaxial with respect to the pivot axis of the backrest frame (13).

6. A folding bed and chair according to claim 1, characterized in that, The telescopic rod assembly (18) includes an inner rod (181) and an outer rod (182) that can slide telescopically; the inner rod (181) is provided with an elastic locking pin (183); the outer rod (182) is provided with a plurality of pin holes for cooperating with the elastic locking pin (183); the elastic locking pin (183) is inserted into the pin holes to lock the relative position of the inner rod (181) and the outer rod (182).

7. A folding bed and chair according to claim 1, characterized in that, The support leg frame (15) is provided with pivot members (152) at both ends; the support leg frame (15) is pivotally mounted to the backrest frame (13) through the pivot members (152).

8. A folding bed and chair according to claim 7, characterized in that, The pivot member (152) has a first limiting groove (153); the groove wall of the first limiting groove (153) has a limiting protrusion (1531); in the bed state, the backrest frame (13) is inserted into the first limiting groove (153), the limiting protrusion (1531) is located above the backrest frame (13), the bottom of the first limiting groove (153) is located below the backrest frame (13), and the limiting protrusion (1531) and the bottom of the first limiting groove (153) restrict the position of the backrest frame (13) from the upper and lower sides.

9. A folding bed and chair according to claim 8, characterized in that, The pivot (152) has a second limiting groove (154); in the chair state, the backrest frame (13) is inserted into the second limiting groove (154), and the limiting protrusion (1531) is located below the backrest frame (13) and abuts against the backrest frame (13).

10. A folding bed and chair according to claim 1, characterized in that, The chair fabric is installed on the main seat frame (11), the front frame (12) and the backrest frame (13).

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