CN213247879U

CN213247879U - Chair with telescopic length

Info

Publication number: CN213247879U
Application number: CN202022535774.8U
Authority: CN
Inventors: 卢志凯
Original assignee: Linhai Hejia Handicraft Co ltd
Current assignee: Linhai Hejia Handicraft Co ltd
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2021-05-25
Anticipated expiration: 2030-11-05

Abstract

The utility model discloses a chair with telescopic length in the field of living furniture, which comprises a mainboard, wherein a first lug is fixedly arranged on the rear side of the upper end surface of the mainboard, a first chute is arranged on the front end surface of the first lug, a second chute is arranged on the rear end surface of the first chute, a slide bar is slidably arranged in the first chute, a slide block is fixedly arranged on the rear end surface of the slide bar, the slide block is slidably connected with the second chute, a secondary plate is arranged on the upper end surface of the mainboard, a second lug is fixedly arranged on the rear side of the upper end surface of the secondary plate, the rear end surface of the second lug is fixedly connected with the front end surface of the slide bar, a support leg is fixedly arranged on the left side of the lower end surface of the secondary plate, a backrest is fixedly arranged on the upper end surfaces of the first lug and the second lug, a handrail is fixedly arranged on the right side of the, can provide more people and use, can also reduce holistic volume after the shrink, it is more convenient to deposit, and the practicality is stronger.

Description

Chair with telescopic length

Technical Field

The utility model relates to the field of living furniture, in particular to a chair with telescopic length.

Background

The chair is a daily life furniture, a seat with a backrest and armrests, modern chairs pursue beauty and fashion, and some chairs are not only seats, but also more technologies are endowed, so that the human is more convenient.

Chair in the past all is direct welding and forms, and whole can not dismantle, can not fold to can only use alone, just need purchase two chairs when two people live together, two chairs are still very occupation space when depositing, and the use limitation is too low, and the practicality is not strong.

Therefore, the utility model provides a chair with a telescopic length to solve the problems in the prior art.

Disclosure of Invention

An object of the utility model is to provide a chair of scalable length to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a chair with telescopic length comprises a main board, a first bump is fixedly arranged on the rear side of the upper end surface of the main board, the front end surface of the first bump is provided with a first sliding chute, the rear end surface of the first sliding chute is provided with a second sliding chute, a slide bar is arranged in the first sliding groove in a sliding manner, a slide block is fixedly arranged on the rear end face of the slide bar and is connected with the second sliding groove in a sliding manner, an auxiliary plate is arranged on the upper end surface of the main plate, a second bump is fixedly arranged on the rear side of the upper end surface of the auxiliary plate, the rear end face of the second bump is fixedly connected with the front end face of the slide bar, the left side and the right side of the lower end face of the main board are both fixedly provided with supporting legs, the left side of the lower end surface of the auxiliary plate is fixedly provided with a supporting leg, the upper end surfaces of the first lug and the second lug are both fixedly provided with a backrest, the handrail is fixedly installed on the right side of the upper end face of the main plate, and the handrail is fixedly installed on the left side of the upper end face of the auxiliary plate.

As a further aspect of the present invention: the left side of the first bump exceeds the left end face of the main board, the leftmost ends of the first sliding groove and the second sliding groove exceed the left end face of the main board, the length of the first sliding groove exceeding the left end face of the main board is the same as the diameter of the sliding rod, the leftmost ends of the first sliding groove and the second sliding groove are all arranged at a distance downwards, and when the sliding rod and the sliding block slide to the leftmost ends of the first sliding groove and the second sliding groove respectively, the sliding rod and the sliding block can slide downwards.

As a further aspect of the present invention: the height of the second sliding groove is larger than that of the first sliding groove, the diameter of the sliding block is the same as that of the second sliding groove, and the sliding block is prevented from being separated from the second sliding groove.

As a further aspect of the present invention: the supporting leg of mainboard lower extreme face left side installation has the layer board, and the right half of layer board and the lower extreme face fixed connection of mainboard, the left half of layer board surpasss the left end face of mainboard, and when the supporting leg of subplate and ground contact, the lower extreme face of subplate can contact with the up end of layer board, and the layer board can provide the holding power for the subplate.

As a further aspect of the present invention: the left end of the first bump is fixedly provided with a third bump, the left end face of the third bump is provided with a third chute, the third chute is T-shaped, a fixture block is slidably mounted in the third chute, the left end face of the fixture block is fixedly provided with a push block, the push block extends out of the third chute, the left side of the rear end face of the second bump is provided with a clamping groove, and the auxiliary plate is locked when the auxiliary plate is folded.

As a further aspect of the present invention: the supporting legs, the handrails and the backrest are all made of hollow stainless steel, and the overall weight is reduced while the strength is guaranteed.

Advantageous effects

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

through the first lug of mainboard up end fixed mounting, first spout is seted up to the terminal surface before the first lug, the second spout has been seted up in the first spout, subplate rear end face fixed mounting slide bar, slide bar rear end face fixed mounting slider, slide bar and first spout sliding connection, slider and second spout sliding connection, first lug left end face surpasss the left end face of mainboard, and the leftmost end of first spout and second spout is extended downwards, the lower terminal surface left side and the right side of mainboard are the fixed mounting supporting leg respectively, terminal surface fixed mounting supporting leg in the leftmost side under the subplate, can launch mainboard and subplate if need two people to use together, can pack up mainboard and subplate stack when need not using or using alone, the suitability is wider, compare in traditional chair practicality stronger.

Drawings

Fig. 1 is a schematic front view of the present invention;

FIG. 2 is a front view of the exploded structure of the present invention;

FIG. 3 is an enlarged view of part A of FIG. 2;

fig. 4 is a rear view of the exploded structure of the present invention;

fig. 5 is an enlarged structural view of part B of fig. 4.

In the figure: 1-main board, 2-first projection, 3-first sliding groove, 4-second sliding groove, 5-sliding rod, 6-sliding block, 7-auxiliary board, 8-second projection, 9-supporting leg, 10-backrest, 11-armrest, 12-supporting plate, 13-third projection, 14-third sliding groove, 15-clamping block, 16-pushing block and 17-clamping 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 to 5, in an embodiment of the present invention, a chair with a retractable length comprises a main board 1, a first protrusion 2 is fixedly mounted on a rear side of an upper end surface of the main board 1, a first sliding groove 3 is formed on a front end surface of the first protrusion 2, a second sliding groove 4 is formed on a rear end surface of the first sliding groove 3, a sliding rod 5 is slidably mounted in the first sliding groove 3, a sliding block 6 is fixedly mounted on a rear end surface of the sliding rod 5, the sliding block 6 is slidably connected with the second sliding groove 4, a secondary board 7 is disposed on the upper end surface of the main board 1, a second protrusion 8 is fixedly mounted on a rear side of an upper end surface of the secondary board 7, a rear end surface of the second protrusion 8 is fixedly connected with a front end surface of the sliding rod 5, support legs 9 are fixedly mounted on left and right sides of the lower end surface of the main board 1, support legs 9 are fixedly mounted on a left side of the lower, the left side of the upper end surface of the auxiliary plate 7 is fixedly provided with a handrail 11.

In this embodiment, the left side of the first bump 2 exceeds the left end surface of the main board 1, the leftmost ends of the first sliding groove 3 and the second sliding groove 4 exceed the left end surface of the main board 1, the length of the first sliding groove 3 exceeding the left end surface of the main board 1 is the same as the diameter of the sliding rod 5, the leftmost ends of the first sliding groove 3 and the second sliding groove 4 are all set at a distance downward, and the sliding rod 5 and the sliding block 6 can slide downward after sliding to the leftmost ends of the first sliding groove 3 and the second sliding groove 4 respectively.

In this embodiment, the height of the second sliding groove 4 is greater than the height of the first sliding groove 3, and the diameter of the sliding block 6 is the same as the height of the second sliding groove 4, so that the sliding block 6 is prevented from being separated from the second sliding groove 4.

In this embodiment, the supporting plate 12 is fixedly mounted on the upper end face of the supporting leg 9 mounted on the left side of the lower end face of the main board 1, the right half portion of the supporting plate 12 is fixedly connected with the lower end face of the main board 1, the left half portion of the supporting plate 12 exceeds the left end face of the main board 1, when the supporting leg 9 of the auxiliary board 7 contacts with the ground, the lower end face of the auxiliary board 7 contacts with the upper end face of the supporting plate 12, and the supporting plate 12 can provide supporting force for the auxiliary board 7.

In this embodiment, a third protruding block 13 is fixedly mounted at the leftmost end of the first protruding block 2, a third sliding groove 14 is formed in the left end surface of the third protruding block 13, the third sliding groove 14 is T-shaped, a clamping block 15 is slidably mounted in the third sliding groove 14, a pushing block 16 is fixedly mounted at the left end surface of the clamping block 15, the pushing block 16 extends out of the third sliding groove 14, a clamping groove 17 is formed in the left side of the rear end surface of the second protruding block 8, and the secondary plate 7 is locked when the secondary plate 7 is folded.

In this embodiment, the support legs 9, the armrests 11 and the backrest 10 are all made of hollow stainless steel, so that the overall weight is reduced while the strength is ensured.

The utility model discloses a theory of operation is:

before using the device, the device needs to be simply known, then the device can be used, when the main board 1 and the auxiliary board 7 need to be unfolded in the using process, firstly, a clamping block 15 in a third sliding groove 14 needs to be pushed backwards through a pushing block 16, the clamping block 15 is separated from a clamping groove 17, then, a handrail 11 on the auxiliary board 7 is held, the auxiliary board 7 is pushed leftwards by force, the main board 1 and the auxiliary board 7 need to be kept not to move together, then, a sliding rod 5 and a sliding block 6 respectively slide leftwards in a first sliding groove 3 and a second sliding groove 4, finally, when the sliding rod 5 and the sliding block 6 respectively slide to the leftmost ends of the first sliding groove 3 and the second sliding groove 4, the auxiliary board 7 just completely separates from the main board 1, at the moment, the auxiliary board 7 descends, next, the auxiliary board 7 is contacted with the left half part of a supporting plate 12, supporting legs 9 at the lower end of the auxiliary board 7 are contacted with the ground, at this time, the main board 1 and the auxiliary board 7 are completely unfolded, and the upper end surfaces of the main board 1 and the auxiliary board 7 are at the same horizontal height; then when the main board 1 and the auxiliary board 7 need to be folded, the auxiliary board 7 needs to be lifted upwards firstly, the lower end face of the auxiliary board 7 exceeds the upper end face of the main board 1, then the auxiliary board 7 is pushed rightwards, the sliding rod 5 and the sliding block 6 can slide rightwards in the first sliding groove 3 and the second sliding groove 4, finally when the sliding rod 5 and the sliding block 6 slide to the most end of the first sliding groove 3 and the second sliding groove 4, the clamping groove 17 is just aligned with the clamping block 15, the clamping block 15 is inserted into the clamping groove 17, and the main board 1 and the auxiliary board 7 can be locked.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A chair with telescopic length comprises a main board (1), and is characterized in that: the rear side of the upper end face of the main board (1) is fixedly provided with a first convex block (2), the front end face of the first convex block (2) is provided with a first sliding groove (3), the rear end face of the first sliding groove (3) is provided with a second sliding groove (4), the first sliding groove (3) is internally provided with a sliding rod (5), the rear end face of the sliding rod (5) is fixedly provided with a sliding block (6), the sliding block (6) is in sliding connection with the second sliding groove (4), the upper end face of the main board (1) is provided with an auxiliary board (7), the rear side of the upper end face of the auxiliary board (7) is fixedly provided with a second convex block (8), the rear end face of the second convex block (8) is fixedly connected with the front end face of the sliding rod (5), the left and right sides of the lower end face of the main board (1) are fixedly provided with supporting legs (9), the left side of the lower end face of the auxiliary board (7) is fixedly provided with supporting legs (9, the handrail (11) are fixedly installed on the right side of the upper end face of the main board (1), and the handrail (11) are fixedly installed on the left side of the upper end face of the auxiliary board (7).

2. A chair of telescopic length, according to claim 1, wherein: the left side of the first bump (2) exceeds the left end face of the main board (1), the leftmost ends of the first sliding groove (3) and the second sliding groove (4) exceed the left end face of the main board (1), the length of the first sliding groove (3) exceeding the left end face of the main board (1) is the same as the diameter of the sliding rod (5), and the leftmost ends of the first sliding groove (3) and the second sliding groove (4) are all arranged downwards for a certain distance.

3. A chair of telescopic length, according to claim 1, wherein: the height of the second sliding groove (4) is larger than that of the first sliding groove (3), and the diameter of the sliding block (6) is the same as that of the second sliding groove (4).

4. A chair of telescopic length, according to claim 1, wherein: the supporting leg structure is characterized in that a supporting plate (12) is fixedly mounted on the upper end face of a supporting leg (9) mounted on the left side of the lower end face of the main plate (1), the right half portion of the supporting plate (12) is fixedly connected with the lower end face of the main plate (1), and the left half portion of the supporting plate (12) exceeds the left end face of the main plate (1).

5. A chair of telescopic length, according to claim 1, wherein: the left-most end fixed mounting of first lug (2) has third lug (13), third spout (14) have been seted up to third lug (13) left end face, third spout (14) are T shape, and slidable mounting has fixture block (15) in third spout (14), fixture block (15) left end face fixed mounting has ejector pad (16), ejector pad (16) are stretched out from third spout (14) in, draw-in groove (17) have been seted up on second lug (8) rear end face left side.

6. A chair of telescopic length, according to claim 1, wherein: the supporting legs (9), the armrests (11) and the backrest (10) are all made of hollow stainless steel.