Combined seat

Abstract

The utility model discloses a combined seat, which belongs to the technical field of furniture, and comprises a seat and a backrest, the lower surface of the seat is fixedly connected with a limit pipe, the inner wall of the limit pipe is fixedly connected with a threaded rod, chair legs are arranged in the limit pipe, the top of each chair leg is embedded with an internal threaded pipe, and the inner wall of the internal threaded pipe is in threaded connection with the threaded rod. Through holes are formed in the lower surfaces of the chair legs, supporting rods are arranged in the through holes, anti-skid grains are arranged on the surfaces of the supporting rods, and anti-skid pads are fixedly connected to the lower surfaces of the supporting rods. The combined length of the chair legs and the supporting rods is adjusted by adjusting the positions, extending out of the through holes, of the bottoms of the supporting rods, then the locking rods are rotated through the rotating handles, and the locking rods are in threaded fit with the inner threaded rings, so that the locking rods move towards the interiors of the chair legs, and one ends of the locking rods abut against the supporting rods; and then the surface of the supporting rod abuts against the anti-sliding block.

Description

TECHNICAL FIELD

[0001] The utility model relates to a combined seat belongs to furniture technical field. BACKGROUND

[0002] The seat is a kind of utensil for assisting people to sit and rest, and the seat is a kind of seat with backrest, and some have armrests.

[0003] The length of chair leg in prior art combined seat is not easy to adjust, and there is great limitation when being used with different height tables, the backrest of chair is often worn, and the backrest of chair is greatly worn, so that the backrest is damaged, the whole chair is scrapped, and a lot of waste is produced.

[0004] The utility model provides a new solution to the above problems. INVENTION CONTENTS

[0005] The utility model discloses a combined seat, which can solve the problem of great limitation when being used with different height tables, frequent wear of the backrest of chair, great wear of the backrest of chair, damage of the backrest, scrapping of the whole chair and a lot of waste.

[0006] The utility model discloses the purpose can be achieved by adopting the following technical scheme:

[0007] A combined seat, comprising a seat and a backrest, the lower surface of the seat is fixedly connected with a limiting tube, the inner wall of the limiting tube is fixedly connected with a threaded rod, the inside of the limiting tube is provided with a chair leg, the top of the chair leg is embedded with an internal thread pipe, the inner wall of the internal thread pipe is threadedly connected with the threaded rod, the lower surface of the chair leg is provided with a through hole, and the inside of the through hole is provided with a supporting rod.

[0008] Preferably, the surface of the supporting rod is provided with anti-skid lines, and the lower surface of the supporting rod is fixedly connected with an anti-skid pad.

[0009] Preferably, the side surface of the chair leg is embedded with an internal thread ring, and the inner wall of the internal thread ring is threadedly connected with a locking rod.

[0010] Preferably, one end of the locking rod is fixedly connected with a handle, and the surface of the chair leg is provided with an anti-rust layer.

[0011] Preferably, the inner wall of the chair leg is fixedly connected with an anti-skid block, and the position of the anti-skid block is matched with the internal thread ring.

[0012] Preferably, the inner wall of the chair leg is fixedly connected with a fixing frame, and the inner wall of the fixing frame is fixedly connected with the internal thread pipe.

[0013] Preferably, the upper surface of the chair leg is fixedly connected with a gasket, and the upper surface of the seat is fixedly connected with a connecting frame.

[0014] Preferably, the lower surface of the backrest is inlaid with a connecting sleeve, and the inner wall of the connecting sleeve is inserted with the connecting frame.

[0015] Preferably, the surface of the connecting frame is fixedly connected with a supporting rib, and the back surface of the backrest is inlaid with an embedded handle.

[0016] Preferably, the upper surface of the seat is fixedly connected with a cushion, and the surface of the cushion is provided with a wear-resistant layer.

[0017] The beneficial technical effects of the utility model are as follows: the position of the through hole at the bottom of the supporting rod is adjusted, thereby the combined length of the chair leg and the supporting rod is adjusted, then the locking rod is rotated through the rotating handle, the locking rod is moved to the inside of the chair leg through the thread cooperation between the locking rod and the internal thread ring, one end of the locking rod is abutted with the supporting rod, thereby the surface of the supporting rod is abutted with the anti-skid block, the supporting rod is fixed through the friction force, the height of the seat is adjusted, the opening of the connecting sleeve is downward, then the connecting sleeve is sleeved on the surface of the connecting frame, and the backrest is convenient to replace. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole structure schematic view of a combined seat provided by the utility model;

[0019] Figure 2 It is a limiting pipe sectional view of a combined seat provided by the utility model;

[0020] Figure 3 It is a connecting frame structure schematic view of a combined seat provided by the utility model;

[0021] Figure 4 It is a chair leg structure schematic view of a combined seat provided by the utility model;

[0022] Figure 5 It is a chair leg internal structure schematic view of a combined seat provided by the utility model;

[0023] Figure 6 It is a backrest overturning view of a combined seat provided by the utility model.

[0024] In the drawing: 1, seat; 2, limiting pipe; 3, threaded rod; 4, chair leg; 5, internal thread pipe; 6, supporting rod; 7, anti-skid pad; 8, internal thread ring; 9, locking rod; 10, rotating handle; 11, anti-skid block; 12, fixed frame; 13, gasket; 14, connecting frame; 15, backrest; 16, connecting sleeve; 17, embedded handle; 18, supporting rib; 19, cushion; 20, through hole. DETAILED DESCRIPTION

[0025] In order to make the technical scheme of the utility model clearer and more apparent to those skilled in the art, the utility model will be further described in detail below in conjunction with the embodiments and drawings, but the embodiments of the utility model are not limited thereto.

[0026] As Figures 1-6 shown, the combined seat provided by the embodiment comprises a seat 1 and a backrest 15, the lower surface of the seat 1 is fixedly connected with a limiting tube 2, the inner wall of the limiting tube 2 is fixedly connected with a threaded rod 3, the inside of the limiting tube 2 is provided with a chair leg 4, the top of the chair leg 4 is inlaid with an internally threaded tube 5, the inner wall of the internally threaded tube 5 is threadedly connected with the threaded rod 3, the lower surface of the chair leg 4 is provided with a through hole 20, the inside of the through hole 20 is provided with a supporting rod 6, the surface of the supporting rod 6 is provided with anti-skid lines, the anti-skid lines improve the anti-skid ability of the surface of the supporting rod 6, the lower surface of the supporting rod 6 is fixedly connected with an anti-skid pad 7, the anti-skid pad 7 improves the anti-skid ability of the lower surface of the supporting rod 6, the side surface of the chair leg 4 is inlaid with an internally threaded ring 8, the inner wall of the internally threaded ring 8 is threadedly connected with a locking rod 9, one end of the locking rod 9 is fixedly connected with a handle 10, the surface of the chair leg 4 is provided with an anti-rust layer, the anti-rust layer improves the anti-rust ability of the chair leg 4, the inner wall of the chair leg 4 is fixedly connected with an anti-skid block 11, the position of the anti-skid block 11 is adapted to the internally threaded ring 8, when the chair leg 4 is installed, the internally threaded tube 5 is aligned with the threaded rod 3, the chair leg 4 is rotated, so that the internally threaded tube 5 is threadedly matched with the threaded rod 3, and at the same time, the chair leg 4 is inserted into the limiting tube 2, when the side surface of the chair leg 4 is stressed, the limiting tube 2 limits the position of the chair leg 4, so that the surface of the threaded rod 3 and the inner wall of the internally threaded tube 5 are not easy to deform, the position of the bottom of the supporting rod 6 extending out of the through hole 20 is adjusted, and then the length of the combination of the chair leg 4 and the supporting rod 6 is adjusted, then the locking rod 9 is rotated through the handle 10, the locking rod 9 and the internally threaded ring 8 are threadedly matched, so that the locking rod 9 moves towards the inside of the chair leg 4, so that one end of the locking rod 9 abuts against the supporting rod 6, and then the surface of the supporting rod 6 abuts against the anti-skid block 11, and the supporting rod 6 is fixed through the friction force.

[0027] In the embodiment, as Figure 1 , Figure 3 and Figure 6As shown, the inner wall of the chair leg 4 is fixedly connected with a fixing frame 12, the inner wall of the fixing frame 12 is fixedly connected with the internally threaded pipe 5, the fixing frame 12 reinforces the internally threaded pipe 5, the upper surface of the chair leg 4 is fixedly connected with a gasket 13, when the chair leg 4 is installed, the gasket 13 is compressed to generate elastic force, the gasket 13 can expand the contact area between the chair leg 4 and the limiting pipe 2, thereby dispersing the pressure and preventing the internally threaded pipe 5 from being damaged due to excessive local pressure, the upper surface of the seat 1 is fixedly connected with a connecting frame 14, the lower surface of the backrest 15 is embedded with a connecting sleeve 16, the inner wall of the connecting sleeve 16 is inserted with the connecting frame 14, the surface of the connecting frame 14 is fixedly connected with a supporting rib 18, the supporting rib 18 improves the integrity of the connecting frame 14, the back surface of the backrest 15 is embedded with an embedded handle 17, the embedded handle 17 facilitates lifting the backrest 15, the upper surface of the seat 1 is fixedly connected with a cushion 19, the surface of the cushion 19 is provided with a wear-resistant layer, the wear-resistant layer improves the wear resistance of the cushion 19, when assembling the backrest 15, the opening of the connecting sleeve 16 is downward, and then the connecting sleeve 16 is sleeved on the surface of the connecting frame 14.

[0028] In the embodiment, as shown in the drawings, Figures 1-6 The working principle of the combined seat provided by the embodiment is as follows:

[0029] Step one, align the internally threaded pipe 5 with the threaded rod 3, rotate the chair leg 4, so that the internally threaded pipe 5 is threadedly connected with the threaded rod 3, and the chair leg 4 is installed on the seat 1;

[0030] Step two, adjust the position of the bottom of the supporting rod 6 extending through the through hole 20, and then adjust the combined length of the chair leg 4 and the supporting rod 6;

[0031] Step three, rotate the lock rod 9 through the rotating handle 10, and through the threadedly connected lock rod 9 and the internally threaded ring 8, the lock rod 9 moves to the inside of the chair leg 4, so that one end of the lock rod 9 abuts against the supporting rod 6, and then the surface of the supporting rod 6 abuts against the anti-skid block 11, and the supporting rod 6 is fixed through the friction force;

[0032] Step four, the opening of the connecting sleeve 16 is downward, and then the connecting sleeve 16 is sleeved on the surface of the connecting frame 14.

[0033] The above is only a further embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and concept of the present application within the scope disclosed by the present application, which belongs to the protection scope of the present application.

Claims

1. A combination seat comprising a seat pan (1) and a backrest (15), characterized in that, The lower surface of the chair seat (1) is fixedly connected with a limiting pipe (2), the inner wall of the limiting pipe (2) is fixedly connected with a threaded rod (3), the inside of the limiting pipe (2) is provided with a chair leg (4), the top of the chair leg (4) is inlaid with an internally threaded pipe (5), the inner wall of the internally threaded pipe (5) is threadedly connected with the threaded rod (3), and the lower surface of the chair leg (4) is provided with a through hole (20), and the inside of the through hole (20) is provided with a supporting rod (6).

2. A combination seat as claimed in claim 1, wherein, The surface of the supporting rod (6) is provided with anti-skid lines, and the lower surface of the supporting rod (6) is fixedly connected with an anti-skid pad (7).

3. A combination seat as claimed in claim 2, wherein, The side surface of the chair leg (4) is inlaid with an internally threaded ring (8), and the inner wall of the internally threaded ring (8) is threadedly connected with a locking rod (9).

4. A combination seat as claimed in claim 3, wherein, One end of the locking rod (9) is fixedly connected with a handle (10), and the surface of the chair leg (4) is provided with an anti-rust layer.

5. A combination seat as claimed in claim 4, wherein, The inner wall of the chair leg (4) is fixedly connected with an anti-skid block (11), and the position of the anti-skid block (11) is matched with the internally threaded ring (8).

6. A combination seat as claimed in claim 5, wherein, The inner wall of the chair leg (4) is fixedly connected with a fixing frame (12), and the inner wall of the fixing frame (12) is fixedly connected with the internally threaded pipe (5).

7. A combination seat as defined in claim 1, wherein The upper surface of the chair leg (4) is fixedly connected with a gasket (13), and the upper surface of the chair seat (1) is fixedly connected with a connecting frame (14).

8. A combination seat as claimed in claim 7, characterised in that, The lower surface of the backrest (15) is inlaid with a connecting sleeve (16), and the inner wall of the connecting sleeve (16) is inserted with the connecting frame (14).

9. A combination seat as claimed in claim 8, wherein, The surface of the connecting frame (14) is fixedly connected with a supporting rib (18), and the back surface of the backrest (15) is inlaid with an embedded handle (17).

10. A combination seat as defined in claim 1, wherein, The upper surface of the chair seat (1) is fixedly connected with a cushion (19), and the surface of the cushion (19) is provided with a wear-resistant layer.

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