Outdoor folding chair

Abstract

The utility model relates to an outdoor folding chair, which is used for solving the technical problems in the prior art that when a user changes postures or applies lateral pressure, a clamping groove is easy to slide accidentally, so that the supporting angle is changed, a cushion part is suddenly inclined, the gravity center of the user is unbalanced, and the risk of falling or collision exists. Comprising a first support, a second support and a third support. First supporting rods are symmetrically and fixedly arranged on the two sides of the first support, and the end of the second support is rotationally connected with the first support through the two first supporting rods. Second supporting rods are symmetrically and fixedly arranged on the two sides of the second support, and a third support is rotationally arranged on the two second supporting rods. A third supporting rod is fixedly arranged at the end, away from the second support, of the third support; a plurality of clamping grooves are formed in the first support at intervals in the length direction of the first support, the third supporting rod is in clamping fit with one clamping groove, and a plurality of locking assemblies used for preventing the third supporting rod from sliding out of the clamping grooves are arranged on the first support.

Description

TECHNICAL FIELD

[0001] The utility model relates to a chair processing technical field, concretely relates to an outdoor folding chair. BACKGROUND

[0002] The folding chair is portable and can be stacked, has the advantages of convenient moving and space saving, and is widely used in various scenes of production and life.

[0003] A folding chair in the prior art is disclosed in the utility model patent document with the patent name "adjustable folding chair" and the authorization announcement number "CN219877768U", which comprises a first support and a second support, the first support and the second support are hingedly connected, support rods are hingedly connected to the two sides of the first support away from the hinged area of the second support, adjusting rods are fixedly connected to the bottom of the support rods, a plurality of clamping grooves are formed in the second support corresponding to the abutting position of the adjusting rods, seat cloth is detachably arranged on the inner side of the end of the first support away from the clamping grooves and the end of the second support close to the support rods, and the length of the seat cloth is adjustable.

[0004] When the user changes the posture or applies lateral pressure, the clamping groove in the above patent document is prone to accidental slipping, which leads to the change of the support angle, causes the sudden inclination of the seat cushion part, causes the imbalance of the user's center of gravity, and has the risk of falling or bumping. UTILITY MODEL CONTENT

[0005] The utility model aims at the shortage of the prior art, and provides an outdoor folding chair, which is used to solve the technical problem that when the user changes the posture or applies lateral pressure, the clamping groove in the folding chair in the prior art is prone to accidental slipping, which leads to the change of the support angle, causes the sudden inclination of the seat cushion part, causes the imbalance of the user's center of gravity, and has the risk of falling or bumping.

[0006] The above technical purpose of the utility model is realized through the following technical scheme:

[0007] An outdoor folding chair comprises a first support, a second support and a third support, the two sides of the first support are symmetrically and fixedly provided with first support rods, the end of the second support is rotatably connected with the first support through the two first support rods, the two sides of the second support are symmetrically and fixedly provided with second support rods, the third support is rotatably arranged on the two second support rods, the end of the third support away from the second support is fixedly provided with a third support rod, a plurality of clamping grooves are arranged on the first support along the length direction of the first support, the third support rod is in clamping cooperation with one of the clamping grooves, and a plurality of locking assemblies for preventing the third support rod from slipping out of the clamping groove are arranged on the first support.

[0008] Working principle:

[0009] When the height of the seat needs to be adjusted, the operator pulls the third support frame upward or downward, drives the third support rod to disengage from the current clamping groove, and moves to the target clamping groove position along the length direction of the first support frame, and through the multiple interval distribution clamping grooves, the third support rod can be selectively clamped into different gears, so as to change the support angle of the third support frame and the overall height of the seat.

[0010] When the third support rod is clamped into the target clamping groove, the user locks the third support rod in the clamping groove through the locking assembly on the first support frame, and forms lateral limiting of the third support rod to prevent it from accidentally slipping out of the clamping groove.

[0011] The first support frame and the second support frame are rotationally connected through the first support rod, and the second support frame and the third support frame are rotationally connected through the second support rod, forming a triple hinge structure, when the seat is unfolded, the third support frame is clamped with the clamping groove, the rotational freedom of the second support frame is converted into rigid support of the first support frame, forming a stable triangular force structure (first support frame-second support frame-third support frame), ensuring the overall stability of the seat when bearing.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] First, the first support frame, the second support frame and the third support frame are provided, the third support frame is rotated around the second support rod by pushing, the clamping groove and the third support rod are clamped, and the seat height multi-gear adjustment is realized.

[0014] Second, the locking assembly is provided, when the third support rod is clamped into the target clamping groove, the locking assembly forms lateral limiting of the third support rod, even if the seat is shaken by external force, the third support rod can still be stably clamped, and the slipping risk is significantly reduced. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the utility model embodiment;

[0016] Figure 2 It is a structural schematic view of the folding chair storage state;

[0017] Figure 3 It is Figure 2 It is an enlarged structural schematic view of the middle A;

[0018] Figure 4 It is an assembly sectional view structural schematic view of the sliding block and the locking groove;

[0019] Figure 5 It is a structural schematic view of the folding chair storage state;

[0020] Figure 6 It is a structural schematic view of the seat cloth and the ring.

[0021] Explanation of reference signs: first support 1, second support 2, third support 3, first support rod 4, second support rod 5, third support rod 6, clamping groove 7, rotating block 8, guide rod 9, sliding block 10, spring 11, sliding groove 13, locking groove 14, clamping groove 15, clamping block 16, fourth support rod 17, fourth support 18, armrest 19, leg support 20, fixing rod 21, connecting rod 22, seat cloth 23, bolt 24, circular ring 25. DETAILED DESCRIPTION

[0022] The technical solutions in the utility model will be further explained below in combination with the drawings and examples.

[0023] Example:

[0024] As shown in Figure 1 and Figure 2 , an outdoor folding chair comprises a first support 1, a second support 2 and a third support 3; the first support 1 is symmetrically provided with a first support rod 4 on both sides, and the second support 2 is rotatably connected to the first support 1 through the two first support rods 4; the second support 2 is symmetrically provided with a second support rod 5 on both sides, and the third support 3 is rotatably arranged on the two second support rods 5; the end of the third support 3 away from the second support 2 is fixedly provided with a third support rod 6; a plurality of clamping grooves 7 are arranged on the first support 1 at intervals along the length direction of the first support 1, and the third support rod 6 is clamped with one of the clamping grooves 7; the second support 2 is rotatably unfolded through the first support rod 4 and the first support 1, and the third support 3 is rotatable through the second support rod 5 and the second support 2, thereby driving the third support rod 6 to move to the target clamping groove 7 to form clamping, so that the seat height is adjusted in multiple gears through the clamping of the clamping groove 7 and the third support rod 6.

[0025] As shown in Figure 1 and Figure 2 and Figure 3 , the first support 1 is provided with a plurality of locking assemblies for preventing the third support rod 6 from sliding out of the clamping groove 7, the locking assembly comprises a rotating block 8, a guide rod 9, a sliding block 10 and a spring 11, the rotating block 8 is rotatably arranged on the first support 1, the rotating block 8 is provided with a sliding groove 13, the guide rod 9 is fixedly arranged in the sliding groove 13, the sliding block 10 is slidably arranged on the guide rod 9 and the sliding block 10 is slidably connected with the sliding groove 13, the spring 11 is sleeved on the guide rod 9 and the two ends of the spring 11 are respectively fixedly connected with the inner wall of the sliding groove 13 and the sliding block 10, the side edge of the first support 1 is provided with a locking groove 14, the locking groove 14 is located on one side of the clamping groove 7, the sliding block 10 can slide into the locking groove 14 to realize position locking after the rotating block 8 is rotated, the rotating block 8 rotates around the first support 1, then the sliding block 10 is pushed to slide along the guide rod 9 and stretch the spring 11, when the rotating block 8 is rotated to the position, the spring 11 rebounds to push the sliding block 10 into the locking groove 14 to limit the axial displacement of the third support rod 6.

[0026] As Figure 3 and Figure 4 shown, the locking groove 14 is provided with a clamping groove 15, and the sliding block 10 is provided with a clamping block 16 at the bottom, the outer wall of the clamping block 16 abuts against the inner wall of the clamping groove 15, when the sliding block 10 slides into the locking groove 14, the clamping block 16 abuts against the inner wall of the clamping groove 15, further preventing the sliding block 10 from retracting due to external force, Figure 3 The spring is in a natural state.

[0027] As Figure 1 and Figure 2 shown, the first support 1 is symmetrically and fixedly connected with a fourth support rod 17 on both sides, and the fourth support rod 17 is rotatably connected with a fourth support 18, and the first support 1 is rotatably connected with a handrail 19 on both sides, and the handrail 19 is hingedly connected with the corresponding fourth support 18 away from the first support 1, and the fourth support 18 rotates around the fourth support rod 17 when the folding chair is unfolded, and drives the handrail 19 to lift to the use position, and the hinged connection of the handrail 19 and the fourth support 18 forms a triangular stable structure, which improves the load-bearing capacity of the seat.

[0028] As Figure 1 and Figure 2 and Figure 5 shown, the first support 1 is rotatably provided with a leg support 20, and the first support 1 is symmetrically and fixedly connected with a plurality of fixed rods 21 on both sides, and the leg support 20 is rotatably provided with a connecting rod 22 away from the first support 1, and the connecting rod 22 is selectively connected with any fixed rod 21, and the leg support 20 is driven to rotate around the first support 1, and the connecting rod 22 is driven to select different fixed rods 21, and the connecting rod 22 is rigidly connected with the fixed rod 21 through a hook or a buckle, and the angle of the leg support 20 is locked.

[0029] As Figure 5 and Figure 6 shown, the first support 1 is rotatably provided with a leg support 20, and the first support 1 is symmetrically and fixedly connected with a plurality of fixed rods 21 on both sides, and the leg support 20 is rotatably provided with a connecting rod 22 away from the first support 1, and the connecting rod 22 is selectively connected with any fixed rod 21, and the leg support 20 is driven to rotate around the first support 1, and the connecting rod 22 is driven to select different fixed rods 21, and the connecting rod 22 is rigidly connected with the fixed rod 21 through a hook or a buckle, and the angle of the leg support 20 is locked.

[0030] Working principle:

[0031] First, when the user needs to use the folding chair, the second support 2 is pushed to rotate around the first support rod 4 to unfold, driving the third support 3 to rotate synchronously around the second support rod 5, the third support rod 6 moves with the third support 3, and is clamped into the target clamping groove 7 on the first support 1 to form height adjustment, and the fourth support 18 rotates around the fourth support rod 17 with the unfolding of the folding chair, driving the handrail 19 to be lifted to the horizontal position, and the handrail 19 and the fourth support 18 form a triangular support structure to disperse the stress when the seat bears the load and improve the overall stability.

[0032] After the third support rod 6 is clamped into the clamping groove 7, the rotating block 8 is manually rotated, the sliding block 10 is pushed to slide along the guide rod 9 and stretch the spring 11, and when the sliding block 10 slides into the locking groove 14, the spring 11 rebounds, forcing the clamping block 16 to be embedded into the clamping groove 15, at this time, the sliding block 10 abuts against the third support rod 6 to prevent it from slipping out of the clamping groove 7.

[0033] When the user needs to use the leg support 20, the leg support 20 is lifted to drive the connecting rod 22 to move to the target fixed rod 21 position, and the hook or buckle at the end of the connecting rod 22 engages with the fixed rod 21 to lock the unfolding angle of the leg support 20.

[0034] The user can fix the seat cloth 23 by tightening the bolt 24, and can disassemble the seat cloth 23 for cleaning or replacement by reversing the bolt 24.

[0035] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the present application and are not limiting, although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced equivalently without departing from the purpose and scope of the technical solutions of the present application, and all should be covered in the scope of the claims of the present application.

Claims

1. An outdoor folding chair, characterized in that, The utility model provides a kind of supporting device, including first support (1), second support (2) and third support (3);The first support (1) both sides symmetry fixed with first support rod (4), and the second support (2) end is rotatably connected with first support (1) by two first support rods (4);The second support (2) both sides symmetry fixed with second support rod (5), and two second support rods (5) are rotatably provided with third support (3);The end of the third support (3) away from second support (2) is fixed with third support rod (6);The first support (1) is provided with a plurality of clamping grooves (7) on the length direction interval, and the third support rod (6) is clamped with one of the clamping grooves (7), and the first support (1) is provided with a plurality of locking components for preventing third support rod (6) from slipping out of the clamping groove (7).

2. An outdoor folding chair according to claim 1, characterized in that: The locking component includes a rotating block (8), a guide rod (9), a sliding block (10) and a spring (11), the rotating block (8) is rotatably arranged on the first support (1), a sliding groove (13) is formed in the rotating block (8), the guide rod (9) is fixedly arranged in the sliding groove (13), the sliding block (10) is slidably arranged on the guide rod (9) and the sliding block (10) is slidably connected with the sliding groove (13), the spring (11) is sleeved on the guide rod (9) and the two ends of the spring (11) are fixedly connected with the inner wall of the sliding groove (13) and the sliding block (10) respectively, a locking groove (14) is formed in the side edge of the first support (1), the locking groove (14) is located on one side of the clamping groove (7), and the sliding block (10) can slide into the locking groove (14) to realize position locking after the rotating block (8) is rotated.

3. An outdoor folding chair according to claim 2, wherein: A clamping groove (15) is formed in the locking groove (14), a clamping block (16) is fixedly arranged on the bottom of the sliding block (10), and the outer wall of the clamping block (16) abuts against the inner wall of the clamping groove (15).

4. The outdoor folding chair of claim 1, wherein: The first support (1) is fixedly connected with a fourth support rod (17) on both sides, a fourth support (18) is rotatably connected with the fourth support rod (17), a handrail (19) is rotatably connected with the first support (1) on both sides, and the end of the handrail (19) away from the first support (1) is hingedly connected with the corresponding fourth support (18).

5. The outdoor folding chair of claim 1, wherein: A leg rest (20) is rotatably arranged on the first support (1), a plurality of fixing rods (21) are fixedly connected with the first support (1) on both sides, a connecting rod (22) is rotatably arranged on the end of the leg rest (20) away from the first support (1), and the connecting rod (22) can be selectively clamped with any fixing rod (21).

6. An outdoor folding chair as defined in claim 1, wherein: A detachable seat cloth (23) is arranged on the end of the first support (1) away from the clamping groove (7) and the end of the second support (2) away from the first support (1).

7. An outdoor folding chair according to claim 6, wherein: The first support (1) and the second support (2) are both screw-connected with a bolt (24), the seat cloth (23) is fixedly provided with a circular ring (25) on both sides, and the bolt (24) is slidably arranged through the circular ring (25) and screw-connected with the first support (1) and the second support (2).

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