Backrest adjusting structure of a camping chair

Abstract

A backrest adjusting structure of a camping chair, comprising a camping chair body, the camping chair body comprising a sitting pocket, an upper frame and a lower frame, the sitting pocket being installed on the upper frame, further comprising a first rotating seat and a rotating shaft, the rotating shaft being provided with the first rotating seat at both ends, the first rotating seats being synchronously rotated through the rotating shaft, the upper frame being connected with the upper end of the first rotating seat, the lower frame being connected with the lower end of the first rotating seat, and the first rotating seat being capable of driving the sitting pocket to rotate to adjust the angle of the sitting pocket. The application adjusts the angle of the sitting pocket by driving the first rotating seat to synchronously rotate through the rotating shaft, so that the user is more convenient in adjustment, and the safety of the sitting pocket in angle adjustment is effectively improved.

Description

Technical Field

[0001] This utility model relates to outdoor products, and more particularly to a backrest adjustment structure for a camping chair. Background Technology

[0002] As a popular piece of outdoor leisure equipment, the core function of a camping chair is to provide users with a temporary and portable seating solution. Currently, there are many basic camping chair models on the market, one of the most significant features of which is that the seat back angle is fixed and cannot be adjusted. Later, camping chairs with foldable backrests appeared.

[0003] For example, Chinese Patent CN219680141U discloses a folding bracket and a folding chair: a folding bracket includes a seat bracket, the seat bracket includes four sets of intersecting support rods forming four facades, the lower end of the support rod in each facade is pivotally connected to the lower end of the support rod in the adjacent facade to a base, the upper end of the support rod in each facade is pivotally connected to the upper end of the support rod in the adjacent facade to a connecting seat, one side of one facade is provided with a backrest tube frame with one end pivotally connected to the base and the other end passing through the connecting seat, the connecting seat is provided with a receiving groove for the backrest tube frame to pass through and accommodate the backrest tube frame to flip, an adjustment mechanism is provided between the backrest tube frame and the support rod in the adjacent facade, using the backrest tube frame and the connecting seat as the flip fulcrum to drive the backrest tube frame to flip to be vertical or inclined relative to the ground, but the adjustment mechanism in this patent is not convenient enough for adjustment, so it needs to be improved. Summary of the Invention

[0004] This utility model addresses the shortcomings of existing adjustment mechanisms, such as inconvenience in adjustment, by providing a new backrest adjustment structure for camping chairs.

[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0006] A backrest adjustment structure for a camping chair includes a camping chair body, which includes a seat, an upper frame, and a lower frame. The seat is mounted on the upper frame. The structure also includes a first rotating seat and a pivot. The pivot has the first rotating seat at both ends, and the first rotating seats rotate synchronously through the pivot. The upper frame is connected to the upper end of the first rotating seat, and the lower frame is connected to the lower end of the first rotating seat. The first rotating seat can drive the seat to rotate to adjust the angle of the seat.

[0007] This application uses a rotating shaft to drive the first rotating seat to rotate synchronously to adjust the angle of the seat. This structure makes it more convenient for users to adjust the seat angle and also effectively improves the safety of adjusting the seat angle.

[0008] Preferably, in the above-described backrest adjustment structure for a camping chair, the first rotating seat includes a fixed part and a rotating part. The fixed part is provided with a fixed seat, and the rotating part is provided with a second rotating seat, wherein the second rotating seat encloses the fixed seat, and the rotating shaft cooperates with the fixed seat of the fixed part.

[0009] Preferably, in the above-described backrest adjustment structure for a camping chair, the first rotating seat is provided with a locking device, which includes a button, a connecting rod, and a return spring. The fixed part has a first fixing hole, and the rotating part has a second fixing hole. The button is disposed in the second fixing hole and protrudes from the rotating part. One end of the connecting rod is disposed in the first fixing hole, and the other end of the connecting rod is connected to the button. The return spring is disposed between the first fixing hole and the connecting rod.

[0010] Preferably, in the above-described camping chair backrest adjustment structure, the rotating part has a first locking hole and a second locking hole, which are connected to each other. The connecting rod has a locking part, and the button can drive the locking part to cooperate with the first locking hole or the second locking hole.

[0011] Preferably, in the above-described backrest adjustment structure for a camping chair, the connecting rod is further provided with a stop block, the first fixing hole includes a first movable groove, the stop block is disposed in the first movable groove, and the stop block can move back and forth in the first movable groove, the outer diameter of the stop block is larger than the inner diameter of the first locking hole and the second locking hole.

[0012] Preferably, in the above-described backrest adjustment structure for a camping chair, the first fixing hole further includes a fixing groove, one end of the return spring is disposed in the fixing groove, and the other end of the return spring cooperates with the stop block.

[0013] Preferably, in the above-described camping chair backrest adjustment structure, the rotating part is provided with second movable grooves on both sides of the button, and movable blocks are provided on both sides of the button, and the button is connected to the second movable grooves through the movable blocks.

[0014] Preferably, in the above-described camping chair backrest adjustment structure, the upper frame includes at least four first support rods, and the rotating part is provided with a first mounting seat, wherein the first support rods are detachably connected to the first mounting seat.

[0015] Preferably, the backrest adjustment structure of the camping chair described above further includes a reinforcing rod, and a second mounting seat is provided near the first mounting seat of the rotating part, and the reinforcing rod is detachably connected to the second mounting seat.

[0016] Preferably, in the above-described camping chair backrest adjustment structure, the lower frame includes at least four second support rods, and the fixing part is provided with a third mounting seat, wherein the second support rods are detachably connected to the third mounting seat.

[0017] The present invention has the following advantages through the above structural improvements:

[0018] Compared with conventional backrest adjustment, this application has the advantage of being easy to adjust. The first rotating seat is controlled to rotate by a locking device, and the first rotating seat is made to rotate synchronously by a rotating shaft. Therefore, on the one hand, it can improve the convenience of the user when adjusting the backrest, and on the other hand, the user needs to press the locking device at the same time to rotate, thereby improving the safety of the seat when adjusting. Attached Figure Description

[0019] Figure 1 This is a three-dimensional structural diagram of the main body of the camping chair of this utility model;

[0020] Figure 2 This is a three-dimensional structural diagram of the first rotating seat of this utility model;

[0021] Figure 3 This is a longitudinal section diagram of the first rotating seat of this utility model;

[0022] Figure 4 This is a three-dimensional structural schematic diagram of the first rotating seat of this utility model in cross-section;

[0023] Figure 5 This is an exploded view of the first rotating seat and button of this utility model.

[0024] The reference numerals are as follows: 1. Camping chair body; 11. Seat pocket; 12. Upper frame; 13. Lower frame; 121. First support rod; 131. Second support rod.

[0025] 2. First rotating seat; 21. Fixed part; 22. Rotating part; 214. Third mounting seat; 216. Fixed seat; 227. Second rotating seat; 211. First fixing hole; 221. Second fixing hole; 222. First locking hole; 223. Second locking hole; 224. Second mounting seat; 225. Second movable groove; 226. First mounting seat; 2111. First movable groove; 2112. Fixed groove.

[0026] 3. Shaft.

[0027] 4. Locking device; 41. Button; 42. Connecting rod; 43. Return spring; 421. Locking part; 422. Stopping block; 411. Moving block.

[0028] 5. Reinforcing bar. Detailed Implementation

[0029] The following is in conjunction with the appendix Figure 1-5 The present invention will be further described in detail with reference to specific embodiments, but these are not intended to limit the present invention: Example 1

[0030] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 As shown, a backrest adjustment structure for a camping chair includes a camping chair body 1. The camping chair body 1 includes a seat 11, an upper frame 12, and a lower frame 13. The seat 11 is mounted on the upper frame 12. It also includes a first rotating seat 2 and a rotating shaft 3. The first rotating seats 2 are provided at both ends of the rotating shaft 3, and the first rotating seats 2 rotate synchronously through the rotating shaft 3. The upper frame 12 is connected to the upper end of the first rotating seat 2, and the lower frame 13 is connected to the lower end of the first rotating seat 2. The first rotating seat 2 can drive the seat 11 to rotate to adjust the angle of the seat 11.

[0031] Preferably, the first rotating seat 2 includes a fixed part 21 and a rotating part 22. The fixed part 21 is provided with a fixed seat 216, and the rotating part 22 is provided with a second rotating seat 227, and the second rotating seat 227 encloses the fixed seat 216. The rotating shaft 3 cooperates with the fixed seat 216 of the fixed part 21.

[0032] Specifically, after the rotating shaft 3 is inserted into the fixed seat 216, the bolt passes through the second rotating seat 227 and connects with the rotating shaft 3.

[0033] Preferably, the first rotating seat 2 is provided with a locking device 4, which includes a button 41, a connecting rod 42 and a return spring 43. The fixing part 21 is provided with a first fixing hole 211, and the rotating part 22 is provided with a second fixing hole 221. The button 41 is disposed in the second fixing hole 221 and protrudes from the rotating part 22. One end of the connecting rod 42 is disposed in the first fixing hole 211, and the other end of the connecting rod 42 is connected to the button 41. The return spring 43 is disposed between the first fixing hole 211 and the connecting rod 42.

[0034] Specifically, the locking device 4 is used to control the rotation of the rotating part 22 of the first rotating seat 2 and to fix it after rotation.

[0035] Preferably, the rotating part 22 is provided with a first locking hole 222 and a second locking hole 223, which are connected to each other. The connecting rod 42 is provided with a locking part 421, and the button 41 can drive the locking part 421 to cooperate with the first locking hole 222 or the second locking hole 223.

[0036] Specifically, the angle adjustment of the seat 11 can be controlled by the locking part 421 cooperating with the first locking hole 222 or the second locking hole 223.

[0037] Preferably, the connecting rod 42 is further provided with a stop block 422, the first fixing hole 211 includes a first movable groove 2111, the stop block 422 is disposed in the first movable groove 2111, and the stop block 422 can move back and forth in the first movable groove 2111. The outer diameter of the stop block 422 is larger than the inner diameter of the first locking hole 222 and the second locking hole 223.

[0038] More specifically, the stop block 422 prevents the connecting rod 42 from moving excessively, thereby making the locking part 421 more stable when it is in the first locking hole 222 and the second locking hole 223.

[0039] Preferably, the first fixing hole 211 further includes a fixing groove 2112, one end of the reset spring 43 is disposed in the fixing groove 2112, and the other end of the reset spring 43 cooperates with the stop block 422.

[0040] Specifically, the return spring 43 is used to provide a reset for the stop block 422.

[0041] Preferably, the rotating part 22 is provided with a second movable groove 225 on both sides of the button 41, and movable blocks 411 are provided on both sides of the button 41. The button 41 is connected to the second movable groove 225 through the movable blocks 411.

[0042] Specifically, the button 41 is slidable by the cooperation of the movable block 411 and the second movable groove 225 to control the forward and backward extension of the connecting rod 42.

[0043] Preferably, the upper frame 12 includes at least four first support rods 121, and the rotating part 22 is provided with a first mounting seat 226, wherein the first support rods 121 are detachably connected to the first mounting seat 226.

[0044] Specifically, the first mounting base 226 facilitates the installation or removal of the first support rod 121.

[0045] Preferably, a reinforcing rod 5 is also included, and a second mounting base 224 is provided near the first mounting base 226 of the rotating part 22, and the reinforcing rod 5 is detachably connected to the second mounting base 224.

[0046] More specifically, the structural stability of the upper frame 12 can be effectively improved by setting the reinforcing rod 5.

[0047] Preferably, the lower frame 13 includes at least four second support rods 131, and the fixing part 21 is provided with a third mounting seat 214, wherein the second support rods 131 are detachably connected to the third mounting seat 214.

[0048] Specifically, the third mounting base 214 facilitates the installation or removal of the second support rod 131, and the second support rod 131 is also equipped with an anti-slip device.

[0049] In this embodiment, when in use, the user needs to simultaneously press the button 41 of the locking device 4 located on the first rotating seat 2 on both sides of the camping chair body 1. At this time, the button 41 drives the connecting rod 42 to move inward, so that the locking part 421 disengages from the first locking hole 222, and the return spring 43 is in a tightened state. At this time, the user can adjust the seat 11. When the adjustment is completed, the user releases the button 41. At this time, the return spring 43 drives the connecting rod 42 to reset, so that the locking part 421 of the connecting rod 42 engages with the second locking hole 223, thus completing the adjustment of the seat 11.

[0050] In summary, the above description is only a preferred embodiment of the present utility model. All equivalent changes and modifications made within the scope of the patent application of the present utility model shall be covered by the present utility model.

Claims

1. A backrest adjustment structure for a camping chair, comprising a camping chair body (1), the camping chair body (1) comprising a seat (11), an upper frame (12) and a lower frame (13), the seat (11) being mounted on the upper frame (12), characterized in that: It also includes a first rotating seat (2) and a rotating shaft (3). The first rotating seat (2) is provided at both ends of the rotating shaft (3), and the first rotating seat (2) rotates synchronously through the rotating shaft (3). The upper frame (12) is connected to the upper end of the first rotating seat (2), and the lower frame (13) is connected to the lower end of the first rotating seat (2). The first rotating seat (2) can drive the seat (11) to rotate to adjust the angle of the seat (11). The first rotating seat (2) includes a fixed part (21) and a rotating part (22). The fixed part (21) is provided with a fixed seat (216), and the rotating part (22) is provided with a second rotating seat (227), and the second rotating seat (227) wraps the fixed seat (216) inside. The rotating shaft (3) cooperates with the fixed seat (216) of the fixed part (21). The first rotating seat (2) is provided with a locking device (4). The locking device (4) includes a button (41), a connecting rod (42) and a return spring (43). The fixed part (21) is provided with a first fixing hole (211), and the rotating part (22) is provided with a second fixing hole (221). The button (41) is located in the second fixing hole (221) and protrudes from the rotating part (22). One end of the connecting rod (42) is located in the first fixing hole (211), and the other end of the connecting rod (42) is connected to the button (41). The return spring (43) is located between the first fixing hole (211) and the connecting rod (42).

2. The backrest adjustment structure of a camping chair according to claim 1, characterized in that: The rotating part (22) is provided with a first locking hole (222) and a second locking hole (223), which are connected to each other. The connecting rod (42) is provided with a locking part (421), and the button (41) can drive the locking part (421) to cooperate with the first locking hole (222) or the second locking hole (223).

3. The backrest adjustment structure of a camping chair according to claim 2, characterized in that: The connecting rod (42) is also provided with a stop block (422). The first fixing hole (211) includes a first movable groove (2111). The stop block (422) is disposed in the first movable groove (2111) and can move back and forth in the first movable groove (2111). The outer diameter of the stop block (422) is larger than the inner diameter of the first locking hole (222) and the second locking hole (223).

4. The backrest adjustment structure of a camping chair according to claim 3, characterized in that: The first fixing hole (211) also includes a fixing groove (2112), one end of the reset spring (43) is disposed in the fixing groove (2112), and the other end of the reset spring (43) cooperates with the stop block (422).

5. The backrest adjustment structure of a camping chair according to claim 1, characterized in that: The rotating part (22) is provided with a second movable groove (225) on both sides of the button (41). The button (41) is provided with movable blocks (411) on both sides. The button (41) is connected to the second movable groove (225) through the movable blocks (411).

6. The backrest adjustment structure of a camping chair according to claim 1, characterized in that: The upper frame (12) includes at least four first support rods (121), and the rotating part (22) is provided with a first mounting seat (226). The first support rods (121) are detachably connected to the first mounting seat (226).

7. The backrest adjustment structure of a camping chair according to claim 6, characterized in that: It also includes a reinforcing rod (5), and the rotating part (22) is provided with a second mounting base (224) near the first mounting base (226). The reinforcing rod (5) is detachably connected to the second mounting base (224).

8. The backrest adjustment structure of a camping chair according to claim 1, characterized in that: The lower frame (13) includes at least four second support rods (131), and the fixing part (21) is provided with a third mounting seat (214). The second support rods (131) are detachably connected to the third mounting seat (214).

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