CN212912387U

CN212912387U - Folding chair

Info

Publication number: CN212912387U
Application number: CN202022166791.9U
Authority: CN
Inventors: 王成红
Original assignee: Zhejiang Heqibao Industry And Trade Co ltd
Current assignee: Zhejiang Heqibao Industry And Trade Co ltd
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-04-09
Anticipated expiration: 2030-09-28

Abstract

The utility model discloses a folding chair, one side of first support frame is provided with the second support frame, the top of first support frame and second support frame is provided with the connecting block, the outside of second support frame is provided with first sliding sleeve, one side of second support frame is provided with ends a hole, one side of first sliding sleeve is provided with ends a round pin, the inside of first support frame and second support frame is provided with the seat frame, be provided with the second rotational pin between seat frame and the first support frame, the second rotational pin passes through screw connection with the seat frame, be provided with first gangbar between first support frame and second support frame and the seat frame, all be provided with the third rotational pin between first gangbar and seat frame and the first sliding sleeve, the third rotational pin rotates with first gangbar and is connected. This folding chair can fold simultaneously with bearing structure and accomodate to better save space, make volume after folding littleer, the transport of being convenient for carry has improved the result of use.

Description

Folding chair

Technical Field

The utility model discloses folding chair technical field specifically is folding chair.

Background

The convenient chair for daily use at home is easy to fold, the storage is designed to be convenient, the chair can be easily stored in a small space of a large house, and can be easily folded when a visitor visits or temporarily needs to chat outdoors for enjoying the moon or needs to camp for roasting meat when the visitor goes out, and the carrying is not laborious. The folding chair is a portable chair with a folding function, is convenient to move and saves space. The training aid is initially used for military purposes and is commonly used in places such as various training institutions, schools at all levels, public places, hospitals, restaurants, hotels, companies, families and the like.

The folding chair that uses at present includes seat frame and cushion, and fold when not using and accomodate the cushion, and can not also advance folding accomodating with bearing structure simultaneously, and the space effect that this folding function was saved is not good, and the volume after folding still is not convenient for carry the transport, can not satisfy the user demand, consequently urgently needs folding chair to solve these problems in the market.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a folding chair to solve the folding chair that uses at present who proposes in the above-mentioned background art and include seat frame and lean on the frame, fold the frame of leaning on when not using and accomodate, and can not also fold simultaneously with bearing structure and accomodate, the space effect that this folding function was saved is not good, and the transport is not convenient for carry yet to folding volume, can not satisfy user demand's problem.

In order to achieve the above object, the utility model provides a following technical scheme: the folding chair comprises a first support frame, wherein a second support frame is arranged on one side of the first support frame, connecting blocks are arranged above the first support frame and the second support frame, the connecting blocks are rotatably connected with the first support frame and the second support frame, a first sliding sleeve is arranged outside the second support frame and is slidably connected with the second support frame, stop holes are formed in one side of the second support frame, two stop holes are formed in the two stop holes, a stop pin is arranged on one side of the first sliding sleeve, one end of the stop pin penetrates through the first sliding sleeve and extends into the stop holes, seat frames are arranged inside the first support frame and the second support frame, a second rotating pin is arranged between the seat frames and the first support frame and is rotatably connected with the first support frame, the second rotating pin is connected with the seat frames through screws, and a first linkage rod is arranged between the first support frame and the seat frames, and the first linkage rod is rotationally connected with the second rotating pin, third rotating pins are arranged between the first linkage rod and the seat frame as well as between the first linkage rod and the first sliding sleeve, the third rotating pins are connected with the seat frame and the first sliding sleeve through screws, and the third rotating pins are rotationally connected with the first linkage rod.

Preferably, the two sides of the seat frame are respectively provided with a foot rest and a leaning frame, first rotating pins are arranged between the foot rest and the leaning frame and between the leaning frame and the seat frame, the first rotating pins are connected with the seat frame through screws, and the first rotating pins are connected with the foot rest and the leaning frame in a rotating mode.

Preferably, the outside of first support frame is provided with the second sliding sleeve, and second sliding sleeve and first support frame sliding connection, be provided with the locking groove on the outer wall of first support frame, be provided with the second linkage pole between second sliding sleeve and the foot rest, be provided with the free bearing between second linkage pole and the foot rest, and the free bearing passes through screw connection with the foot rest, the free bearing rotates with the second linkage pole to be connected, one side of second linkage pole is provided with the fitting plug, and the one end of fitting plug runs through second linkage pole and second sliding sleeve and extend to the inside in locking groove, fitting plug and second sliding sleeve threaded connection, and the fitting plug laminates with first support frame mutually.

Preferably, the inside of seat frame, foot rest and back frame all is provided with the elasticity wire net, and the elasticity wire net all passes through the screw connection with seat frame, foot rest and back frame, one side of back frame is provided with the back cushion, and the back cushion passes through the screw connection with the elasticity wire net.

Preferably, the both sides that lean on the frame all are provided with the handrail frame, and handrail frame and lean on the frame to rotate and be connected, the lower extreme of handrail frame is provided with the block groove, and the one end of connecting block extends to the inside in block groove, the connecting block is connected with handrail frame block.

Preferably, the anti-skidding sleeves are arranged below the first support frame and the second support frame and are connected with the first support frame and the second support frame through screws.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the folding chair is provided with a first linkage rod, a first sliding sleeve and a stop pin, when the first support frame and the second support frame are rotated, the first sliding sleeve is connected with the second support frame in a sliding manner, when the first sliding sleeve rotates along with the second support frame, the first sliding sleeve can correspondingly slide along the second support frame so as to drive the first linkage rod to rotate, the stop pin is inserted into the stop hole so as to fix the first sliding sleeve and the second support frame, and the opening angle between the first support frame and the second support frame is limited by means of the first linkage rod, so that the main frame folding function of the folding chair is realized;

2. this folding chair, be provided with the foot rest, the second linkage pole, second sliding sleeve and locking bolt, because second sliding sleeve and first support frame sliding connection, when sliding the second sliding sleeve along first support frame, can change the inclination of second linkage pole, there is the foot rest to rotate with the seat frame, thereby it adjusts to drive the foot rest rotation, with locking bolt screw in to the locking groove and closely laminate with first support frame and can all fix second sliding sleeve and second linkage pole with first support frame, thereby fix the angle of opening of foot rest, satisfy the different angle user demand of foot rest.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the connection structure of the first linkage rod with the first support frame and the second support frame;

FIG. 3 is a schematic view of the connection structure of the second sliding sleeve with the first supporting frame and the second linkage rod according to the present invention;

FIG. 4 is a schematic view of the connection structure of the connection block, the first support frame and the armrest frame of the present invention;

fig. 5 is a schematic view of the connection structure between the seat frame and the backrest frame of the present invention.

In the figure: 1. a first support frame; 2. a second support frame; 3. connecting blocks; 4. a seat frame; 5. a foot rest; 6. leaning on the frame; 7. a handrail frame; 8. a back cushion; 9. a first linkage rod; 10. a first sliding sleeve; 11. an anti-slip sleeve; 12. a first rotation pin; 13. a locking groove; 14. a second linkage rod; 15. hinging seat; 16. a second sliding sleeve; 17. a locking bolt; 18. an elastic steel wire mesh; 19. a second rotation pin; 20. a third rotation pin; 21. a stop pin; 22. a stop hole; 23. an engaging groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a folding chair comprises a first support frame 1, wherein one side of the first support frame 1 is provided with a second support frame 2, a connecting block 3 is arranged above the first support frame 1 and the second support frame 2, the connecting block 3 is rotatably connected with the first support frame 1 and the second support frame 2, a first sliding sleeve 10 is arranged outside the second support frame 2, the first sliding sleeve 10 is slidably connected with the second support frame 2, one side of the second support frame 2 is provided with a stop hole 22, the stop holes 22 are provided with two, one side of the first sliding sleeve 10 is provided with a stop pin 21, one end of the stop pin 21 penetrates through the first sliding sleeve 10 and extends to the inside of the stop hole 22, the stop pin 21 penetrates through the first sliding sleeve 10 and is inserted into the stop hole 22 to fix the first sliding sleeve 10 and the second support frame 2, so that the opening and closing state between the first support frame 1 and the second support frame 2 is changed, the folding is realized, the seat frame 4 is arranged inside the first support frame 1 and the second support frame 2, the second rotating pin 19 is arranged between the seat frame 4 and the first support frame 1, and the second rotating pin 19 is rotatably connected with the first support frame 1, the second rotating pin 19 is connected with the seat frame 4 through a screw, the second rotating pin 19 can correspondingly rotate and adjust between the seat frame 4 and the first support frame 1 when the seat frame is folded, a first linkage rod 9 is arranged between the seat frame 4 and the first support frame 1 and between the second support frame 2 and the seat frame 4, and the first linkage rod 9 is rotationally connected with the second rotating pin 19, a third rotating pin 20 is arranged between the first linkage rod 9 and the seat frame 4 as well as between the first sliding sleeve 10, the third rotating pin 20 is connected with the seat frame 4 and the first sliding sleeve 10 through screws, the third rotating pin 20 is rotatably connected with the first linkage rod 9, and the third rotating pin 20 can facilitate the rotation adjustment between the seat frame 4 and the second support frame 2 when the seat frame is folded;

a foot stand 5 and a back rest 6 are respectively arranged at two sides of a seat frame 4, a first rotating pin 12 is respectively arranged between the foot stand 5, the back rest 6 and the seat frame 4, the first rotating pin 12 is connected with the seat frame 4 through a screw, the first rotating pin 12 is rotatably connected with the foot stand 5 and the back rest 6, the foot stand 5, the back rest 6 and the seat frame 4 can be connected through the first rotating pin 12, the foot stand 5, the back rest 6 and the seat frame 4 can be conveniently folded, a second sliding sleeve 16 is arranged outside the first support frame 1, the second sliding sleeve 16 is slidably connected with the first support frame 1, a locking groove 13 is arranged on the outer wall of the first support frame 1, a second linkage rod 14 is arranged between the second sliding sleeve 16 and the foot stand 5, a hinged support 15 is arranged between the second linkage rod 14 and the foot stand 5, the hinged support 15 is connected with the foot stand 5 through a screw, the hinged support 15 is rotatably connected with the second linkage rod 14, a locking bolt 17 is arranged, one end of a locking bolt 17 penetrates through the second linkage rod 14 and the second sliding sleeve 16 and extends into the locking groove 13, the locking bolt 17 is in threaded connection with the second sliding sleeve 16, the locking bolt 17 is attached to the first support frame 1 in a close fit mode, the second sliding sleeve 16 and the first support frame 1 can be fixed, and therefore the included angle between the foot rest 5 and the seat frame 4 can be adjusted, and the adjustment requirements of the foot rest 5 with different inclination angles can be conveniently met;

elastic steel wire meshes 18 are arranged in the seat frame 4, the foot rest 5 and the back frame 6, the elastic steel wire meshes 18 are connected with the seat frame 4, the foot rest 5 and the back frame 6 through screws, a back cushion 8 is arranged on one side of the back frame 6, the back cushion 8 is connected with the elastic steel wire mesh 18 through screws, the elastic steel wire mesh 18 and the back cushion 8 can make a user more comfortable to lean against, the armrest frame 7 is arranged on both sides of the back cushion frame 6, the armrest frame 7 is rotatably connected with the backrest frame 6, the lower end of the armrest frame 7 is provided with a clamping groove 23, one end of the connecting block 3 extends into the clamping groove 23, the connecting block 3 is clamped and connected with the armrest frame 7, the armrest frame 7 is convenient for a user to place arms, the anti-skid sleeves 11 are arranged below the first support frame 1 and the second support frame 2, and the antiskid cover 11 is connected with the first support frame 1 and the second support frame 2 through screws, and the antiskid cover 11 increases the fixing stability between the first support frame 1 and the ground and between the second support frame 2 and the ground.

The working principle is as follows: when the folding chair is unfolded, the stop pin 21 is pulled out, the first support frame 1 and the second support frame 2 are separated to the maximum angle, because the first sliding sleeve 10 is connected with the second support frame 2 in a sliding way, when the second support frame 2 rotates, the first sliding sleeve 10 can slide along the second support frame 2, the second support frame 2 is completely unfolded, the stop pin 21 is inserted into the stop hole 22 to fix the first sliding sleeve 10 and the second support frame 2, the armrest frame 7 is connected with the connecting block 3 in a clamping manner by rotating the armrest frame 7, the armrest frame 6 can be limited by means of the connecting block 3 and the armrest frame 7, thereby fixing the included angle between the leaning frame 6 and the seat frame 4, loosening the locking bolt 17, sliding the second sliding bush 16 upwards along the first supporting frame 1, driving the foot rest 5 to rotate along with the sliding of the second sliding bush 16, thereby adjusting the included angle between the foot rest 5 and the seat frame 4, sliding the foot rest to a proper position and tightly attaching the locking bolt 17 and the first support frame 1. When folding the folding chair, with handrail frame 7 and the separation of connecting block 3, extract the end pin 21, draw first support frame 1 and the extrusion of drawing close of second support frame 2, can drive first sliding sleeve 10 along the gliding of second support frame 2, slide second support frame 2 down to the minimum in inserting end pin 21 in end hole 22 of second support frame 2 below, fix first sliding sleeve 10 and second support frame 2, loosen the locking bolt 17, slide second sliding sleeve 16 down along first support frame 1, slide it to the minimum position and be in with locking bolt 17 and the inseparable laminating of first support frame 1, fix second sliding sleeve 16 and second linkage 14 and first support frame 1, thereby can accomodate foot rest 5 folding.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Folding chair, including first support frame (1), its characterized in that: a second support frame (2) is arranged on one side of the first support frame (1), a connecting block (3) is arranged above the first support frame (1) and the second support frame (2), the connecting block (3) is rotationally connected with the first support frame (1) and the second support frame (2), a first sliding sleeve (10) is arranged outside the second support frame (2), the first sliding sleeve (10) is slidably connected with the second support frame (2), a stop hole (22) is arranged on one side of the second support frame (2), two stop holes (22) are arranged, a stop pin (21) is arranged on one side of the first sliding sleeve (10), one end of the stop pin (21) penetrates through the first sliding sleeve (10) and extends into the stop hole (22), seat frames (4) are arranged inside the first support frame (1) and the second support frame (2), and a second rotating pin (19) is arranged between the seat frames (4) and the first support frame (1), and second rotating pin (19) rotates with first support frame (1) and is connected, second rotating pin (19) passes through screwed connection with seat frame (4), be provided with first gangbar (9) between first support frame (1) and second support frame (2) and seat frame (4), and first gangbar (9) rotate with second rotating pin (19) and be connected, all be provided with third rotating pin (20) between first gangbar (9) and seat frame (4) and first sliding sleeve (10), and third rotating pin (20) all pass through screwed connection with seat frame (4) and first sliding sleeve (10), third rotating pin (20) rotate with first gangbar (9) and be connected.

2. The folding chair of claim 1, wherein: the two sides of the seat frame (4) are respectively provided with a foot rest (5) and a leaning frame (6), the foot rest (5) and the leaning frame (6) are provided with a first rotating pin (12) between the seat frame (4), the first rotating pin (12) is connected with the seat frame (4) through screws, and the first rotating pin (12) is connected with the foot rest (5) and the leaning frame (6) in a rotating mode.

3. The folding chair of claim 1, wherein: a second sliding sleeve (16) is arranged outside the first support frame (1), the second sliding sleeve (16) is connected with the first support frame (1) in a sliding way, a locking groove (13) is arranged on the outer wall of the first support frame (1), a second linkage rod (14) is arranged between the second sliding sleeve (16) and the foot rest (5), a hinged support (15) is arranged between the second linkage rod (14) and the foot rest (5), the hinged support (15) is connected with the foot rest (5) through a screw, the hinged support (15) is rotationally connected with the second linkage rod (14), one side of the second linkage rod (14) is provided with a locking bolt (17), one end of the locking bolt (17) penetrates through the second linkage rod (14) and the second sliding sleeve (16) and extends to the inside of the locking groove (13), the locking bolt (17) is in threaded connection with the second sliding sleeve (16), and the locking bolt (17) is attached to the first support frame (1).

4. The folding chair of claim 1, wherein: the utility model discloses a headrest frame, its structure is characterized in that the inside of seat frame (4), foot rest (5) and back frame (6) all is provided with elastic steel wire net (18), and elastic steel wire net (18) all pass through bolted connection with seat frame (4), foot rest (5) and back frame (6), one side of back frame (6) is provided with back cushion (8), and back cushion (8) pass through bolted connection with elastic steel wire net (18).

5. The folding chair of claim 2, wherein: lean on the both sides of frame (6) all to be provided with handrail frame (7), and handrail frame (7) with lean on frame (6) to rotate and be connected, the lower extreme of handrail frame (7) is provided with block groove (23), and the one end of connecting block (3) extends to the inside in block groove (23), connecting block (3) are connected with handrail frame (7) block.

6. The folding chair of claim 1, wherein: anti-skidding sleeves (11) are arranged below the first support frame (1) and the second support frame (2), and the anti-skidding sleeves (11) are connected with the first support frame (1) and the second support frame (2) through screws.