CN218898926U - Height-adjustable multifunctional chair - Google Patents

Abstract

The utility model discloses a multifunctional chair with adjustable height, which comprises a seat plate, wherein upright posts are fixedly connected to the lower end surface of the seat plate at four corners, hollow rods are arranged at the positions, close to the lower ends, of the outer side walls of the four upright posts, bottom pipe clamps are sleeved at the joints, close to the top ends, of the outer side walls of the four hollow rods, second fixing plates are fixedly connected between the two hollow rods, close to the front side and the rear side, of the four hollow rods, first fixing plates are fixedly connected between the two hollow rods, close to one side and the other side, of the four hollow rods, square holes are formed in the middle positions of the upper end surfaces of the seat plate, and protruding annular plates are fixedly connected to the inner side walls of the square holes at the positions, close to the bottom ends. This chair simple structure is through hollow pole and end pipe clamp of design to reach required height fast, it is more firm, through the bracing piece of design, can provide the equipment of noon break for students, through the ventilative net of design, have better gas permeability, and make and be difficult for the burr by ventilative material.

Description

Height-adjustable multifunctional chair

Technical Field

The utility model relates to the technical field of seats, in particular to a multifunctional chair with adjustable height.

Background

The chair is daily life furniture, a seat with a backrest and armrests, the modern chairs are attractive and fashionable, some chairs are not used as seats only, the life of a human being is more convenient under the combination of science and technology, and the multifunctional chair not only provides seats for the human being, but also has other functions.

Through searching, chinese patent discloses a folding multifunctional chair (publication number CN 209995715U), which is capable of being folded but cannot adjust the height, and cannot provide noon break to students, and has poor air permeability, so that it cannot function well, therefore, a multifunctional chair with adjustable height is provided by those skilled in the art to solve the problems set forth in the above background art.

Disclosure of Invention

The multifunctional chair with adjustable height is simple in structure, the hollow rod and the bottom pipe clamp are designed, so that the chair can reach a required height quickly and is firmer, students can be provided with noon break equipment by designing the supporting rods, and the multifunctional chair with adjustable height has better air permeability by designing the air permeable net and is made of air permeable materials and is not easy to burr.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a height-adjustable's multi-functional chair, includes the seat, the seat lower terminal surface is by the equal fixedly connected with stand of four corners position, four the stand lateral wall is by the lower extreme position all is provided with hollow pole, four hollow pole lateral wall is by the top position junction all the cover is equipped with the end clamp, four hollow pole is by the front side and the rear side between two hollow poles all fixedly connected with second fixed plate, four hollow pole is by one side and two hollow poles of opposite side between all fixedly connected with first fixed plate, square hole has been seted up to seat up end intermediate position, square hole inside wall is by bottom position fixedly connected with protrusion crown plate, the movable frame has been placed to protrusion crown plate up end, the movable frame up end is provided with ventilative net, just ventilative net up end is on same horizontal line with the seat up end, seat rear end articulates there is the backplate, backplate rear end is by upper end intermediate position fixedly connected with fixed block, articulated connection pole on two lateral wall intermediate position, connecting rod lower terminal surface is by the intermediate position of both sides, both sides are all fixedly connected with the fixed pin down by the lower extreme position;

through above-mentioned technical scheme, this chair simple structure is through hollow pole and end pipe clamp of design to reach required height fast, it is more firm, through the design bracing piece, can provide the equipment of noon break for students, through the ventilative net of design, have better gas permeability, and make and be difficult for the burr by ventilative material.

Further, the upper end surface of the seat plate is fixedly connected with the armrests at the positions close to the two sides;

through the technical scheme, the user can take a rest by hands, and the protection effect is achieved during noon break.

Further, a ventilation net block is arranged at the position close to the lower side of the middle of the front end face of the backboard;

through the technical scheme, the air-permeable heat dissipation effect can be achieved.

Further, vertical gaps are formed in the middle positions of two side walls at the top ends of the four hollow rods;

through above-mentioned technical scheme for the bottom pipe clamp can the centre gripping stand more firm.

Further, the lower end surfaces of the four hollow rods are respectively sleeved with a first foot pad;

through the technical scheme, the ground can be protected.

Further, groove blocks matched with the fixing pins for use are fixedly connected to the middle positions of the two side walls of the seat plate near the rear end;

through above-mentioned technical scheme, cooperation fixed pin is fixed.

Further, the air-permeable net and the air-permeable net block are both made of anti-friction materials;

through above-mentioned technical scheme, prevent sitting on for a long time and appear the burr.

Further, the lower end surfaces of the two support rods are respectively sleeved with a second foot pad;

through the technical scheme, the buffer support function can be achieved.

The utility model has the following beneficial effects:

1. according to the chair, the hollow rods and the bottom pipe clamps are designed, when the height is required to be adjusted in the use process, the four bottom pipe clamps are opened, the upright post is lifted or lowered according to lifting and lowering, after the required height is achieved, one of the four hollow rods is tightened through the bottom pipe clamps, the upright post is clamped, the other three bottom pipe clamps are fixed, and therefore the required height is achieved quickly, and the four hollow rods are connected into a whole through the first fixing plate and the second fixing plate, so that the chair is firmer.

2. According to the utility model, the support rod is designed, when students need noon break in the use process, the fixing pin can be taken out from the groove block, the hinged backboard is put down, the support rod hinged to the rear side of the backboard is opened, the second foot pad is in contact with the ground, the support function is achieved, and noon break equipment can be provided for the students.

3. According to the utility model, the breathable net is designed, so that the chair is easy to sweat when being sitting on the chair for a long time in a hot weather in the use process, the movable frame can be replaced and washed easily, the breathable net blocks on the back plate can ventilate and dissipate heat of the back, the breathable net has better breathability, and the breathable net blocks are made of breathable materials and are not easy to burr.

Drawings

FIG. 1 is a perspective view of a height-adjustable multi-functional chair according to the present utility model;

FIG. 2 is a side view of a height-adjustable multi-functional chair according to the present utility model;

FIG. 3 is a side sectional view of a height adjustable multi-functional chair according to the present utility model;

fig. 4 is a schematic view of a structure of a support bar of a multifunctional chair with adjustable height according to the present utility model.

Legend description:

1. a back plate; 2. a armrest; 3. a column; 4. a hollow rod; 5. a breathable net block; 6. a breathable net; 7. a seat plate; 8. a trough block; 9. a bottom pipe clamp; 10. a first fixing plate; 11. a second fixing plate; 12. a first footpad; 13. a fixed block; 14. a support rod; 15. a fixing pin; 16. a movable frame; 17. square holes; 18. a protruding ring plate; 19. a second foot pad; 20. and (5) connecting a rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-4, one embodiment provided by the present utility model is: the utility model provides a height-adjustable's multi-functional chair, including seat 7, the terminal surface is leaned on four corners position equal fixedly connected with stand 3 under the seat 7, four stand 3 lateral walls lean on lower extreme position all to be provided with hollow pole 4, four hollow pole 4 lateral walls lean on top position junction all the cover and are equipped with end clamp 9, four hollow pole 4 lean on front side and rear side two hollow pole 4 between equal fixedly connected with second fixed plate 11, four hollow pole 4 lean on the first fixed plate 10 of equal fixedly connected with between two hollow poles 4 of one side and opposite side, open four end clamp 9, rise or descend stand 3 according to rising and reduce and come, after reaching required height, tighten up hollow pole 4 through end clamp 9 with four hollow pole 4, clamp stand 3, it is fixed with three rest bottom clamp 9 again, thereby reach required height fast, seat 7 up end intermediate position has seted up square hole 17, square hole 17 inside wall lean on bottom position fixedly connected with crown plate 18, the crown plate 18 up end face has placed movable frame 16, movable frame 16 is placed to the terminal surface, the terminal surface is fixed with end face plate 1 is fixed with end plate 13 at the same side of the fixed connection of the back plate 1, the terminal surface is fixed with end plate 1 is fixed with end face 1 is fixed to the backplate, the terminal surface is fixed with end plate 1 is fixed with the top end plate 1 is fixed with the end plate 1 is fixed to the end is fixed with the back plate 1.

The seat 7 up end is by both sides position equal fixedly connected with backup handle 2, can take a rest, and play the guard action during noon rest, the position of leaning on the downside in the middle of the terminal surface before backplate 1 is provided with ventilative net piece 5, can play ventilative radiating effect, four hollow rod 4 top both sides wall intermediate position is opened there is vertical gap for bottom pipe clamp 9 can centre gripping stand 3 is more firm, the terminal surface all overlaps under four hollow rod 4 is equipped with first foot pad 12, can play the effect of protecting ground, the equal fixedly connected with of seat 7 both sides wall is near the groove block 8 of rear end intermediate position with fixed pin 15 supporting use, cooperate fixed pin 15 to fix, ventilative net 6 and ventilative net piece 5 are made by antifriction material, prevent sitting on the burr for a long time, the terminal surface all overlaps under two bracing pieces 14 and is equipped with second foot pad 19, can play buffering support's effect.

Working principle: when the height needs to be adjusted, the four bottom pipe clamps 9 are opened, the upright post 3 is lifted or lowered according to the lifting and lowering, after the required height is reached, one of the four hollow rods 4 is tightened through the bottom pipe clamps 9, the upright post 3 is clamped, and the rest three bottom pipe clamps 9 are fixed, so that the required height is quickly reached, the four hollow rods 4 are connected into a whole through the first fixing plate 10 and the second fixing plate 11, the fixing pin 15 can be taken out from the groove block 8, the hinged backboard 1 is laid down, the support rod 14 hinged to the rear side of the backboard 1 is opened, the second foot pad 19 is in contact with the ground, the function of supporting is achieved, noon and rest equipment can be provided for students, and the structure is simple and stable.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model 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 described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (8)

1. The utility model provides a height-adjustable's multi-functional chair, includes seat (7), its characterized in that: the seat plate (7) lower end face is by the equal fixedly connected with stand (3) of four corner positions, four stand (3) lateral wall is by the lower extreme position all being provided with hollow pole (4), four hollow pole (4) lateral wall is by the equal cover in top position junction be equipped with end clamp (9), four hollow pole (4) is by front side and two hollow poles (4) of rear side between equal fixedly connected with second fixed plate (11), four hollow pole (4) is by one side and two hollow poles (4) of opposite side between equal fixedly connected with first fixed plate (10), square hole (17) have been seted up to seat plate (7) up end intermediate position, square hole (17) inside wall is by bottom position fixedly connected with protrusion crown plate (18), movable frame (16) have been placed to protrusion crown plate (18) up end, movable frame (16) up end is provided with ventilative net (6), and seat plate (7) up end are on same horizontal line, seat plate (7) are by one side and two fixed connection first fixed plate (10) between two hollow poles (4), seat plate (7) up end intermediate position is by bottom end position fixedly connected with protrusion crown plate (18), protrusion crown plate (18) up end is placed by the intermediate position of square hole (17), fixing pins (15) are fixedly connected to the middle positions of the lower ends of the two side walls of the backboard (1).

2. The height-adjustable multifunctional chair according to claim 1, wherein: the upper end surface of the seat plate (7) is fixedly connected with the armrest (2) at the positions close to the two sides.

3. The height-adjustable multifunctional chair according to claim 1, wherein: and a ventilation net block (5) is arranged at the lower side of the middle of the front end surface of the backboard (1).

4. The height-adjustable multifunctional chair according to claim 1, wherein: vertical gaps are formed in the middle positions of the two side walls of the top ends of the four hollow rods (4).

5. The height-adjustable multifunctional chair according to claim 1, wherein: the lower end surfaces of the four hollow rods (4) are respectively sleeved with a first foot pad (12).

6. The height-adjustable multifunctional chair according to claim 1, wherein: the middle positions of the two side walls of the seat plate (7) close to the rear end are fixedly connected with groove blocks (8) matched with the fixing pins (15).

7. The height-adjustable multifunctional chair according to claim 1, wherein: the air-permeable net (6) and the air-permeable net block (5) are made of anti-friction materials.

8. The height-adjustable multifunctional chair according to claim 1, wherein: the lower end surfaces of the two support rods (14) are respectively sleeved with a second foot pad (19).

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