CN220423564U

CN220423564U - Sofa chair

Info

Publication number: CN220423564U
Application number: CN202322356839.6U
Authority: CN
Inventors: 朱程远
Original assignee: Anji Dongcheng Kart Manufacturer Co ltd
Current assignee: Anji Dongcheng Kart Manufacturer Co ltd
Priority date: 2023-08-30
Filing date: 2023-08-30
Publication date: 2024-02-02
Anticipated expiration: 2033-08-30

Abstract

The utility model provides a couch for can not rotate between the prior art's that mentions among the background art couch back and the base and adjust, the user can't adjust it according to self needs when using, reduce the technical problem that uses the experience, including the seat, and rotate the back of locating on the seat, the cavity has been seted up to the seat both sides, the thorn strip has been set firmly in the cavity, the intracavity is slided and is equipped with first slider, the back both sides are all rotated and are equipped with the connecting rod and two connecting rod other tip and two first sliders rotation respectively are connected, wear to be equipped with on the first slider and wear to establish the pole and run through the seat downwardly extending, it is unanimous with the length direction of thorn strip to open two bar holes that one-to-one respectively with two cavity switch on the seat, two wear to establish the pole and pass two bar holes and extend to the seat below one-to one respectively, and wear to establish the pole and can slide along the bar hole that corresponds, wear to establish pole top and the thorn strip butt that corresponds.

Description

Sofa chair

Technical Field

The utility model relates to the technical field of seat processing, in particular to a couch.

Background

Various couch exist on the market, and the couch with the backrest adjustable is more practical for users, can be used for office work and rest at the same time.

The utility model patent literature of prior art couch, such as the publication number of CN215076959U, patent name of a foldable sofa discloses a couch, comprising a base, a backrest and a folding plate, wherein four corners of the bottom of the base are provided with a supporting leg, two sides of one end of the top of the base are respectively connected with a first hinge between the bottoms of two sides of the backrest, the other end of the top of the base is connected with the bottom of the folding plate through a second hinge, one end of the folding plate far away from the second hinge is provided with a first folding supporting leg, the top of the folding plate is provided with a cushion, the cushion is provided with a folding mouth, and the folding mouth is matched with the first folding supporting leg

The sofa backrest and the base of the patent document cannot be adjusted in a rotating way, so that a user cannot adjust the sofa backrest according to the needs of the user when using the sofa backrest, and the use experience is reduced.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art, and provides a couch, which is used for solving the technical problems that the backrest and the base of the couch in the prior art cannot be adjusted in a rotating way, so that a user cannot adjust the backrest and the base according to the needs of the user when using the couch, and the use experience is reduced.

The technical aim of the utility model is realized by the following technical scheme:

the utility model provides a couch, includes the seat to and rotate the back of locating on the seat, the cavity has been seted up to the seat both sides, set firmly the thorn strip in the cavity, the slip is equipped with first slider in the cavity, the back both sides are all rotated and are equipped with the connecting rod and two connecting rod other tip and are connected with two first sliders rotations respectively one-to-one, wear to be equipped with on the first slider to wear to establish the pole and run through seat downwardly extending, it has two bar holes that one-to-one respectively with two cavities switch on to open on the seat, bar hole length direction is unanimous with the length direction of thorn strip, and two bar holes that pass two bar holes to the seat below of one-to-one respectively are worn to establish the pole and can be followed the bar hole slip that corresponds, wear to establish pole top and the thorn strip butt that corresponds.

Working principle:

when the backrest rotates, the connecting rod can correspondingly rotate on the backrest and the first sliding block, when the backrest rotates to a proper angle, the user can form the abutting connection between the penetrating rod and the ratchet bar again, so that the penetrating rod and the ratchet bar form locking, and the backrest and the seat plate form locking to fix the backrest rotating angle.

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

first, be equipped with the thorn strip and wear to establish the pole, wear to establish the pole and break away from the joint with the thorn strip through the pulling to can rotate the back, after the back rotates to accomplish, the user can wear to establish the pole again and form the joint with the thorn strip, and then fixed back pivoted angle, the user of being convenient for uses person and uses.

And the second connecting rod and the first sliding block are arranged, when the backrest is rotated, the first sliding block can be driven by the connecting rod to slide in the cavity, and the connecting rod can rotate on the backrest and the first sliding block, so that the backrest can be conveniently rotated by a user.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of the present utility model A

Fig. 3 is a schematic cross-sectional view of the backrest of the present utility model.

Reference numerals illustrate: seat 1, backrest 2, cavity 3, ratchet strip 4, first slider 5, connecting rod 6, wear to establish pole 7, spring 8, installation cavity 9, extension board 10, first bracing piece 11, second bracing piece 12, wear to establish hole 13, through hole 14, round pin axle 15, first spout 16, stopper 17, headrest 18, backup pad 19, second spout 20, second slider 21, installation pole 22, bolt 23.

Detailed Description

The technical scheme of the utility model is further described below with reference to the accompanying drawings and examples.

Examples:

as shown in fig. 1 and 2, the seat comprises a seat 1 and a backrest 2 rotatably arranged on the seat 1, wherein cavities 3 are formed in two sides of the seat 1, ratchet bars 4 are fixedly arranged in the cavities 3, first sliding blocks 5 are slidably arranged in the cavities 3, connecting rods 6 are rotatably arranged on two sides of the backrest 2, the other ends of the two connecting rods 6 are respectively in one-to-one correspondence with the two first sliding blocks 5 in a rotating manner, penetrating rods 7 are arranged on the first sliding blocks 5 in a penetrating manner and penetrate through the seat 1 to extend downwards, two strip holes which are respectively in one-to-one correspondence with the two cavities 3 are formed in the seat 1, the length directions of the strip holes are consistent with the length directions of the ratchet bars 4, the two penetrating rods 7 respectively penetrate through the two strip holes in one-to-one correspondence to-the lower side of the seat 1, the penetrating rods 7 can slide along the corresponding strip holes, the tops of the penetrating rods 7 are respectively in butt joint with the corresponding ratchet bars 4, as shown in fig. 1 and 2, springs 8 are sleeved on the penetrating rods 7, and the two ends of the springs 8 are respectively connected with the first sliding blocks 5 and the tops of the corresponding ratchet bars 7 in a compression state.

When a user needs to adjust the angle between the backrest 2 and the seat plate 1, the user can pull the penetrating rod 7, the penetrating rod 7 extrudes the spring 8, so that the spring 8 deforms to change from a natural state to a compressed state, the penetrating rod 7 and the ratchet bar 4 are separated from a clamping state, then the user can rotate the backrest 2, the rotating backrest 2 can drive the first sliding block 5 to slide in the cavity 3 through the connecting rod 6 and can drive the penetrating rod 7 to slide in the strip-shaped hole, when the backrest 2 is rotated, the end part of the connecting rod 6 can rotate on the backrest 2 and the first sliding block 5, thereby being convenient for the user to rotate the backrest 2, when the user rotates to a proper angle, the user releases the penetrating rod 7, and after the penetrating rod 7 is released, the spring 8 changes from the compressed state to the natural state, the top of the penetrating rod 7 and the ratchet bar 4 are clamped again, and then the rotated backrest 2 and the seat plate 1 are locked.

As shown in fig. 1, an installation cavity 9 is formed in the seat plate 1, an extension plate 10 is slidably disposed in the installation cavity 9, as shown in fig. 1, a first sliding groove 16 is formed in the extension plate 10, a limiting block 17 is detachably disposed on the first supporting rod 11, and the limiting block 17 is slidably disposed in the first sliding groove 16.

When a user needs to use the extension board 10, the user can pull the extension board 10, the extension board 10 slides out of the mounting cavity 9, the limiting block 17 can slide in the first sliding groove 16 on the extension board 10 when the extension board 10 slides, and after the extension board 10 slides in place, the limiting block 17 can limit the extension board 10 to slide out of the mounting cavity 9 continuously, so that the user can place steps on the extension board 10, and further relax the legs of the user.

As shown in fig. 1, the bottom of the seat 1 is fixedly provided with a plurality of first support rods 11 perpendicular to the plate surface of the seat 1, second support rods 12 coaxial with the first support rods are slidably arranged in the first support rods 11 in a penetrating manner, collinear penetrating holes 13 are formed in two sides of the first support rods 11, a plurality of penetrating holes 14 distributed along the length direction of the second support rods 12 are formed in the second support rods 12, and pin shafts 15 penetrating through the penetrating holes 13 and the penetrating holes 14 are arranged on the first support rods 11.

When the user needs to adjust the distance between the seat plate 1 and the ground, the user can pull out the pin shaft 15 from the penetrating hole 13 and the penetrating hole 14, then adjust the position of the second support rod 12 in the first support rod 11, so as to adjust the distance between the seat plate 1 and the ground, and when the distance is adjusted to a proper distance, the user penetrates the pin shaft 15 into the penetrating hole 13 and the penetrating hole 14 again, so as to lock the first support rod 11 and the second support rod 12, and further lock the distance between the seat plate 1 and the ground.

As shown in fig. 3, the backrest 2 is rotatably provided with a support plate 19, two sides of the backrest 2 are provided with second sliding grooves 20, two second sliding grooves 20 are provided with second sliding blocks 21 in a sliding manner, two sides of the support plate 19 are rotatably provided with mounting rods 22, the two mounting rods 22 are rotatably arranged on two second sliding blocks 21 corresponding to each other one by one, as shown in fig. 3, two second sliding blocks 21 are respectively provided with a bolt 23 in a threaded manner, and the bolts 23 are abutted to the second sliding grooves 20, as shown in fig. 1, and the backrest 2 is fixedly provided with a headrest 18.

When a user needs to rotate the backrest 2 to be horizontal with the ground, the user rotates the support plate 19 first, then the support plate 19 rotates to drive the second sliding block 21 to slide in the second sliding groove 20, and when the support plate 19 rotates, the mounting rod 22 can rotate on the support plate 19 and the second sliding block 21, when the support plate 19 rotates to be vertical to the backrest 2, the user screws the bolt 23 into the second sliding block 21 again and abuts the bolt 23 on the second sliding groove 20, so as to lock the support plate 19, then the user can lie on the seat plate 1 and the backrest 2 to facilitate the rest of the user, and the support plate 19 can provide supporting force to prevent toppling.

Working principle:

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Claims

1. A couch, characterized in that: including seat (1) to and rotate back (2) on locating seat (1), cavity (3) have been seted up to seat (1) both sides, set firmly spine (4) in cavity (3), interior first slider (5) that are equipped with of cavity (3), the rotation of back (2) both sides is equipped with connecting rod (6) and two connecting rod (6) other tip respectively one-to-one with two first slider (5) rotate and be connected, wear to be equipped with on first slider (5) to wear to establish pole (7) and run through seat (1) downwardly extending, open on seat (1) have two bar holes that are respectively one-to-one with two cavity (3) switch on, bar hole length direction is unanimous with the length direction of spine (4), and two wear to establish pole (7) and pass two bar holes respectively one-to-one and extend to seat (1) below, and wear to establish pole (7) and can slide along the hole that corresponds, wear to establish pole (7) top and the butt of corresponding spine (4).

2. A couch according to claim 1, wherein: the spring (8) is sleeved on the penetrating rod (7), two end parts of the spring (8) are fixedly connected with the first sliding block (5) and the top of the penetrating rod (7) respectively, and the spring (8) is in a compressed state.

3. A couch according to claim 1, wherein: the seat plate (1) is internally provided with a mounting cavity (9), and an extension plate (10) is arranged in the mounting cavity (9) in a sliding manner.

4. A couch according to claim 3, wherein: the seat (1) bottom has set firmly many first bracing piece (11) perpendicular with seat (1) face, first bracing piece (11) are slided and are worn to be equipped with rather than coaxial second bracing piece (12), collinear wearing hole (13) have all been seted up to first bracing piece (11) both sides, a plurality of through-holes (14) that distribute along second bracing piece (12) length direction have been seted up on second bracing piece (12), be equipped with on first bracing piece (11) and pass pin axle (15) of wearing to establish hole (13) and through-hole (14).

5. The couch of claim 4, wherein: the extension plate (10) is provided with a first sliding groove (16), the first supporting rod (11) is detachably provided with a limiting block (17), and the limiting block (17) is slidably arranged in the first sliding groove (16).

6. A couch according to claim 1, wherein: a headrest (18) is fixedly arranged on the backrest (2).

7. The couch of claim 6, wherein: the novel backrest is characterized in that a supporting plate (19) is rotatably arranged on the backrest (2), second sliding grooves (20) are formed in two sides of the backrest (2), second sliding blocks (21) are slidably arranged in the second sliding grooves (20), mounting rods (22) are rotatably arranged on two sides of the supporting plate (19), and the two mounting rods (22) are rotatably arranged on the two second sliding blocks (21) in one-to-one correspondence.

8. A couch according to claim 7, wherein: the two second sliding blocks (21) are both in threaded connection with bolts (23), and the bolts (23) are abutted with the second sliding grooves (20).