CN215304288U - Dining chair with long service life - Google Patents

Abstract

The utility model discloses a dining chair with long service life, which comprises a cross-shaped base, wherein T-shaped chutes are arranged at the middle positions of four ends at the top of the cross-shaped base, one ends of the T-shaped chutes far away from the center of the cross-shaped base are connected with T-shaped sliding blocks in a sliding manner, a plurality of first limiting holes are uniformly arranged at two sides of an opening at the top end of each T-shaped chute, and second limiting holes are arranged at positions, close to two sides of the inner wall of each T-shaped chute, of the T-shaped sliding blocks and corresponding to the first limiting holes. According to the utility model, the T-shaped sliding block correspondingly moves in the T-shaped sliding groove according to the height adjustment of the telescopic cylinder and is fixed under the action of the limiting pin, so that the pressure borne by the telescopic cylinder is shared, the service life of the whole device is effectively prolonged, meanwhile, when the telescopic cylinder is damaged, the supporting rod supports the circular supporting plate to prevent the piston rod of the telescopic cylinder from breaking through the cushion to hurt people, the safety is improved, and the telescopic cylinder is worthy of wide popularization.

Description

Dining chair with long service life

Technical Field

The utility model relates to the field of dining chairs, in particular to a dining chair with long service life.

Background

The table and chair is a chair specially used for dining, is one of dining room furniture, and is divided into the following parts according to the dining chair material: solid wood chair, steel wood chair, bent wood chair, aluminum alloy chair, metal chair, rattan chair, plastics chair, glass steel chair, ya keli chair, board-like chair, miscellaneous wooden chair, baby's dining chair and round-backed chair etc. divide into according to the dining chair usage: chinese dining chairs, western-style chairs, coffee chairs, fast-food chairs, bar chairs, office chairs, etc.

In having over-and-under type dining chair in present stage, it is direct to support the mounting panel and the cushion on top through the telescoping cylinder basically, and the life of telescoping cylinder has directly influenced the life cycle of dining chair, and the solitary support of telescoping cylinder easily shortens the life of dining chair, and simultaneously, easily appear causing the piston rod to run through the condition that the cushion wounded the people because of the telescoping cylinder damage, and secondly, most dining chair is fixed, and is comparatively complicated to the washing of cushion, simultaneously, is not convenient for to the maintenance of dining chair.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a dining chair with long service life.

In order to achieve the purpose, the utility model adopts the following technical scheme: a dining chair with long service life comprises a cross base, wherein T-shaped chutes are arranged at the middle positions of four ends at the top of the cross base, one ends of the T-shaped chutes far away from the center of the cross base are connected with T-shaped slide blocks in a sliding manner, a plurality of first limiting holes are uniformly arranged at two sides of an opening at the top end of each T-shaped chute, the T-shaped slide blocks are close to two sides of the inner wall of each T-shaped chute, second limiting holes are arranged at positions corresponding to the first limiting holes, the inner parts of the second limiting holes are connected with the tail ends of limiting pins in a sliding manner, a telescopic cylinder is fixedly connected at the center of the top end of the cross base, a circular support plate is fixedly connected at the top end of a piston rod of the telescopic cylinder, the top end of each T-shaped slide block is rotatably connected at one end of a support rod, four fixing rods are uniformly and fixedly connected at the outer diameter of the top end of the circular support plate, and are connected in a mounting hole in a sliding manner, the mounting holes are respectively formed in the bottom end of the inside of the cushion, grooves are formed in the middle positions of the left end and the right end of the inside of the circular supporting plate, and storage boxes are connected in the grooves in a sliding mode.

As a further description of the above technical solution:

the top ends of the limiting pins are connected inside the corresponding first limiting holes in a sliding mode.

As a further description of the above technical solution:

the top center of the limiting pin is fixedly connected with a first pull ring.

As a further description of the above technical solution:

four corners of the bottom end of the cross-shaped base are fixedly connected with universal wheels.

As a further description of the above technical solution:

the other end of the supporting rod is respectively and rotatably connected with four corners of the bottom end of the round supporting plate close to the center.

As a further description of the above technical solution:

the center of one end of the outer side of the storage box is rotatably connected with a second pull ring.

As a further description of the above technical solution:

and the middle part of the outer diameter of the left side of the telescopic cylinder is provided with a lifting controller.

The utility model has the following beneficial effects:

according to the seat cushion, the T-shaped sliding block moves correspondingly in the T-shaped sliding groove according to the height adjustment of the telescopic cylinder, and is fixed under the action of the limiting pin, so that the pressure borne by the telescopic cylinder is shared, the service life of the whole device is effectively prolonged, meanwhile, when the telescopic cylinder is damaged, the supporting rod supports the circular supporting plate to prevent the piston rod of the telescopic cylinder from breaking through the seat cushion to hurt people, the safety is improved, secondly, the seat cushion is convenient to clean through the detachable design of the seat cushion, meanwhile, the storage boxes at the two ends of the circular supporting plate can be provided with the limiting pin or other parts for standby, the seat cushion is convenient to overhaul, and the seat cushion is worthy of wide popularization.

Drawings

FIG. 1 is a perspective view of a long-life dining chair according to the present invention;

FIG. 2 is an exploded view of a cross-shaped base of a long-life dining chair according to the present invention;

figure 3 is an exploded view of a circular support plate of a dining chair with a long service life.

Illustration of the drawings:

1. a cross base; 2. a T-shaped chute; 3. a T-shaped slider; 4. a first limit hole; 5. a second limiting hole; 6. a spacing pin; 7. a telescopic cylinder; 8. a circular support plate; 9. a support bar; 10. fixing the rod; 11. mounting holes; 12. a cushion; 13. a groove; 14. a storage box; 15. a first pull ring; 16. a universal wheel; 17. a second tab; 18. and a lifting controller.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, one embodiment of the present invention is provided: a dining chair with long service life comprises a cross base 1, T-shaped chutes 2 are arranged at the middle positions of four ends at the top of the cross base 1, T-shaped sliding blocks 3 are connected at one ends of the T-shaped chutes 2 far away from the center of the cross base 1 in a sliding manner, a plurality of first limiting holes 4 are uniformly arranged at two sides of an opening at the top end of each T-shaped chute 2, second limiting holes 5 are arranged at positions of the T-shaped sliding blocks 3 close to two sides of the inner wall of each T-shaped chute 2 and corresponding to the first limiting holes 4, the inner parts of the second limiting holes 5 are connected at the tail ends of limiting pins 6 in a sliding manner, a telescopic cylinder 7 is fixedly connected at the center of the top end of the cross base 1, a circular support plate 8 is fixedly connected at the top end of a piston rod of the telescopic cylinder 7, the top ends of the T-shaped sliding blocks 3 are rotatably connected at one end of a support rod 9, when in use, the whole height is adjusted through the telescopic cylinder 7, when the telescopic cylinder 7 is extended, the round supporting plate 8 moves upwards to drive the supporting rod 9 to rotate and move towards the center of the cross base 1, at the moment, the supporting rod 9 drives the T-shaped sliding block 3 to slide in the T-shaped sliding groove 2, along with the movement of the T-shaped sliding block 3, the bottom end of the supporting rod 9 rotates on the corresponding T-shaped sliding block 3, after the T-shaped sliding block is lifted to a proper position, the T-shaped sliding block 3 is fixed by inserting the limiting pin 6 into the corresponding first limiting hole 4 and connecting the tail end into the corresponding second limiting hole 5 in a sliding manner, so that the supporting rod 9 is fixed, in the daily use process, the four supporting rods 9 play a supporting role on the round supporting plate 8, compared with the structure that the telescopic cylinder 7 is supported independently in the traditional mode, the supporting rod 9 effectively shares the pressure borne by the telescopic cylinder 7, and the service life of the telescopic cylinder 7 is effectively prolonged, further, the service life of the whole dining chair is prolonged, and meanwhile, when the telescopic cylinder 7 is damaged, under the action of the support rod 9, the condition that a piston rod of the telescopic cylinder 7 penetrates through the cushion 12 to hurt people is prevented, so that the safety is effectively improved, four fixing rods 10 are uniformly and fixedly connected to the periphery of the outer diameter of the top end of the circular support plate 8, the fixing rods 10 are slidably connected to the inner parts of the mounting holes 11, the mounting holes 11 are respectively arranged at the bottom end of the inner part of the cushion 12, when the cushion 12 is cleaned, the cushion 12 can be directly disassembled through the sliding connection between the mounting holes 11 at the bottom end of the cushion 12 and the fixing rods 10 at the top end of the circular support plate 8, so that the cushion 12 is convenient to clean, grooves 13 are respectively arranged at the middle positions of the left end and the right end of the inner part of the circular support plate 8, storage boxes 14 are respectively slidably connected to the inner parts of the storage boxes 14, and standby limit pins 6 or other parts can be placed in the storage boxes, thereby being convenient for the maintenance of the dining chair.

6 equal sliding connection in corresponding first spacing hole 4 insides in top of spacer pin, the first pull ring 15 of the equal fixedly connected with in 6 top centers of spacer pin department, first pull ring 15 makes things convenient for spacer pin 6 to be taken out by in first spacing hole 4 and the spacing hole 5 of second, the equal fixedly connected with universal wheel 16 in 1 bottom four corners of cross base, universal wheel 16 makes things convenient for the removal of dining chair, the bracing piece 9 other end rotates respectively and connects the four corners of connecting 8 bottoms in circular backup pad near center department, the center department of storing box 14 outside one end all rotates and is connected with second pull ring 17, second pull ring 17 has made things convenient for storing box 14 to take out in recess 13, the middle part of telescoping cylinder 7 left side external diameter is provided with lift controller 18, lift controller 18 plays the effect of control telescoping cylinder 7 lift.

The working principle is as follows: when the telescopic cylinder 7 is used, firstly, the whole height is adjusted through the telescopic cylinder 7, when the telescopic cylinder 7 is stretched, the round supporting plate 8 moves upwards to drive the supporting rod 9 to rotate and move towards the center of the cross-shaped base 1, at the moment, the supporting rod 9 drives the T-shaped slide block 3 to slide in the T-shaped slide groove 2, the bottom end of the supporting rod 9 rotates on the corresponding T-shaped slide block 3 along with the movement of the T-shaped slide block 3, after the T-shaped slide block is lifted to a proper position, the T-shaped slide block 3 is fixed by inserting the limiting pin 6 into the corresponding first limiting hole 4 and connecting the tail end into the corresponding second limiting hole 5 in a sliding manner, so that the supporting rod 9 is fixed, in the daily use process, the four supporting rods 9 play a supporting role on the round supporting plate 8, compared with the structure which is singly supported by the telescopic cylinder 7 in the traditional mode, the effectual pressure that shares telescopic cylinder 7 and bore of bracing piece 9, thereby the effectual life who improves telescopic cylinder 7, and then the holistic life of dining chair has been improved, and simultaneously, when telescopic cylinder 7 takes place to damage, under bracing piece 9's effect, prevent that telescopic cylinder 7 piston rod from running through the condition that cushion 12 injures the people and taking place, the effectual security that has improved, when wasing cushion 12, can directly realize the dismantlement to cushion 12 through the sliding connection between the mounting hole 11 of cushion 12 bottom and the 8 top dead levers 10 of circular backup pad, thereby the convenience is to the washing of cushion 12.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims (7)

1. A dining chair with long service life comprises a cross-shaped base (1), and is characterized in that: the T-shaped sliding chute (2) is arranged at the middle position of four ends of the top of the cross base (1), one end of the T-shaped sliding chute (2) far away from the center of the cross base (1) is connected with a T-shaped sliding block (3) in a sliding manner, a plurality of first limiting holes (4) are uniformly arranged at two sides of the top end opening of the T-shaped sliding chute (2), the two sides of the T-shaped sliding block (3) close to the inner wall of the T-shaped sliding chute (2) and corresponding to the first limiting holes (4) are provided with second limiting holes (5), the inner part of each second limiting hole (5) is connected with the tail end of a limiting pin (6) in a sliding manner, a telescopic cylinder (7) is fixedly connected at the center of the top end of the cross base (1), a circular supporting plate (8) is fixedly connected at the top end of a piston rod of the telescopic cylinder (7), and the top end of the T-shaped sliding block (3) is rotatably connected at one end of a supporting rod (9), four dead levers (10) of the even fixedly connected with in a week of circular backup pad (8) top external diameter, dead lever (10) sliding connection is inside mounting hole (11), mounting hole (11) set up respectively in the inside bottom of cushion (12), the intermediate position department at both ends all is provided with recess (13) about circular backup pad (8) is inside, equal sliding connection has storage box (14) in recess (13).

2. A long-life dining chair according to claim 1, wherein: the top ends of the limiting pins (6) are connected inside the corresponding first limiting holes (4) in a sliding mode.

3. A long-life dining chair according to claim 1, wherein: the top end center of the limiting pin (6) is fixedly connected with a first pull ring (15).

4. A long-life dining chair according to claim 1, wherein: four corners of the bottom end of the cross base (1) are fixedly connected with universal wheels (16).

5. A long-life dining chair according to claim 1, wherein: the other end of the supporting rod (9) is respectively and rotatably connected with four corners of the bottom end of the round supporting plate (8) close to the center.

6. A long-life dining chair according to claim 1, wherein: the centers of one ends of the outer sides of the storage boxes (14) are respectively and rotatably connected with a second pull ring (17).

7. A long-life dining chair according to claim 1, wherein: and a lifting controller (18) is arranged in the middle of the outer diameter of the left side of the telescopic cylinder (7).

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