CN205125575U - Desk and chair - Google Patents

Abstract

The utility model discloses a table and chair, which comprises a table, a base (3) and a chair; the table and the chair are both arranged on the base (3), and the chair can ) in the length direction to slide close to or away from the table and fixed on the base (3) by a fixture; the table includes a tabletop (1), a support frame and a single rod hydraulic pump ( 2); the support frame is installed on the connecting rod (4) of the single-rod hydraulic pump (2) and the connecting rod (4) can drive the support frame to lift or descend in the vertical direction, wherein the The single-lever hydraulic pump (2) is a foot-operated hydraulic pump. The table and chair integrate the table and the chair, and can conveniently and quickly adjust the height of the table and the distance between the table and the chair, so that people of different heights and weights can use it comfortably.

Description

tables and chairs

technical field

The utility model relates to the field of furniture, in particular to a table and chair.

Background technique

The structure of existing tables and chairs is fixed, and the tabletop level of the table cannot be adjusted. When a person sits on the chair, the distance between the table and the chair will change with the twisting of the human body, making the original best, comfortable distance is destroyed.

Therefore there have been some liftable desks, and the existing liftable desks are through the method of stepping when designing and shifting gears when needed, that is, changing the height of the desk by adjusting the shifting. However, once the entire table is installed, it is difficult to adjust the height of the desktop again; at the same time, the adjustment of the height of the desktop can only be done in the previously set gears, and it is impossible to flexibly change its own height according to users of different heights. The optimal distance between the fixed table and the chair cannot be adjusted according to different users of fat and thin, which is unfavorable for individualized use.

Therefore, there is an urgent need to provide a table and chair that saves time and effort and can flexibly adjust the height of the desktop and the distance between the table and the chair according to the height and weight of different users.

Utility model content

The purpose of the utility model is to provide a table and chair, which integrates the table and the chair, and can conveniently and quickly adjust the height of the table and the distance between the table and the chair, so that people of different heights and weights can use it comfortably.

In order to achieve the above object, the utility model provides a table and chair, which includes a table, a base and a chair; The parts are fixed on the base; the table includes a desktop, a support frame and a single-rod hydraulic pump arranged in sequence from top to bottom; the support frame is installed on the connecting rod of the single-rod hydraulic pump, and the connecting rod can drive the support frame to lift in the vertical direction or descending, wherein the single-rod hydraulic pump is a foot-operated hydraulic pump.

Preferably, the support frame includes two cross-arranged first and second connecting rods, wherein,

The top of the first connecting rod and the top of the second connecting rod are all hinged on the ear plate at the bottom of the desktop and the ear plate can slide on the bottom of the desktop, and the top of the first connecting rod and the top of the second connecting rod are located on the same horizontal plane;

The middle section of the first connecting rod and the middle section of the second connecting rod are movable riveted through rivets;

The bottom end of the first connecting rod is hinged on the slider at the top of the base, the bottom end of the second connecting rod is hinged on the connecting rod, and the bottom ends of the first connecting rod and the second connecting rod are located on the same horizontal plane.

Preferably, the top end surface of the base is recessed downward to form a sliding groove, and the slider can slide in the sliding groove.

Preferably, stoppers are provided at one or both ends of the chute.

Preferably, the slider is fixed to the base by fasteners.

Preferably, the fastener is a bolt, and the bolt can pass through the through hole on the slider and cooperate with the threaded hole on the base.

Preferably, the chair includes a vertical hydraulic cylinder, a chair body mounted on the top of the hydraulic cylinder, and a seat seat arranged at the bottom of the hydraulic cylinder; wherein the seat can slide along the length of the base to approach or move away from the table.

Preferably, a hand-held fixing device is provided extending outward on the side of the seat seat, and the hand-held fixing device includes an adjustment rod, a handle connected to the top end of the adjustment rod, a fixing plate arranged at the bottom end of the adjustment rod, and a handle sleeved in the middle of the adjustment rod. The spring and the adjustment cylinder sleeved outside the spring; wherein, one end of the spring is against the inner top surface of the adjustment cylinder, and the other end is welded on the adjustment rod 13; the bottom surface of the fixed plate protrudes outward to form a plurality of fixed Claws, the side of the base protrudes outwards to form a plurality of fixing columns, and the fixing plate can be driven to move in the vertical direction by pulling the handle so that the fixing claws can be fixed or separated from the fixing columns.

Preferably, self-locking wheels are installed at the four corners of the bottom end of the base.

According to the above technical solution, the utility model controls the extension and contraction of the support frame through the pedal hydraulic pump to adjust the horizontal height of the desktop connected to the support frame, and easily adjust the height of the desktop within the design range according to the different needs of different users. at any height. This kind of adjustment can be realized only by lightly stepping on the pedal on the foot hydraulic pump by the user, which not only avoids cumbersome manual adjustment of gears, but also shortens the adjustment time, which truly saves time and effort. At the same time, by designing the chair to be able to slide along the length of the base to approach or move away from the table, the distance between the chair and the table can be adjusted and fixed conveniently and quickly, so that the table and chair can be flexible according to the height and weight of different users Adjust the height of the desktop and the distance between the table and the chair, which is more convenient to use and has a wider scope of application.

Other features and advantages of the present utility model will be described in detail in the following specific embodiments.

Description of drawings

The accompanying drawings are used to provide a further understanding of the utility model, and constitute a part of the description, together with the following specific embodiments, are used to explain the utility model, but do not constitute a limitation to the utility model. In the attached picture:

Fig. 1 is a schematic structural view of a desk and chair according to an embodiment of the present invention.

Explanation of reference signs

1-desktop 2-single rod hydraulic pump

3-base 4-connecting rod

5-First connecting rod 6-Second connecting rod

7-Ear plate 8-Rivet

9-slider 10-hydraulic cylinder

11-chair body 12-seat

13-Adjustment rod 14-Handle

15-Fixing plate 16-Adjusting barrel

17-fixed claw 18-fixed post

detailed description

The specific embodiment of the utility model will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the utility model, and are not intended to limit the utility model.

In the present utility model, unless otherwise stated, the orientation words included in the term such as "top and bottom" only represent the orientation of the term in the normal use state, or are commonly known as understood by those skilled in the art. , and should not be construed as a limitation of this term.

Referring to Fig. 1, the utility model provides a kind of desk and chair, and desk and chair comprises table, base 3 and chair; The parts are fixed on the base 3; the table includes a desktop 1, a support frame and a single-rod hydraulic pump 2 arranged sequentially from top to bottom; the support frame is installed on the connecting rod 4 of the single-rod hydraulic pump 2 and the connecting rod 4 can drive the support frame Lifting or lowering in the vertical direction, wherein the single-rod hydraulic pump 2 is a foot-operated hydraulic pump.

Through the above-mentioned technical scheme, use the pedal hydraulic pump to control the extension and contraction of the support frame to adjust the horizontal height of the desktop 1 connected to the support frame, and easily adjust the height of the desktop 1 within the design range according to the different needs of different users. height. This kind of adjustment can be realized only by lightly stepping on the pedal on the foot hydraulic pump by the user, which not only avoids cumbersome manual adjustment of gears, but also shortens the adjustment time, which truly saves time and effort. Simultaneously, the distance between the chair and the table is conveniently and quickly adjusted and fixed by designing the chair to be able to slide along the length direction of the base 3 to approach or stay away from the table, so that the table and chair can be adjusted according to the height and weight of different users. The height of the desktop 1 and the distance between the table and the chair can be flexibly adjusted, which is more convenient to use and has a wider application range.

In this embodiment, in order to simplify the structure of the support frame, facilitate processing, assembly and maintenance after use, preferably, the support frame includes two cross-arranged first connecting rods 5 and second connecting rods 6, wherein the first connecting rod 5 and the top of the second connecting rod 6 are hinged on the ear plate 7 at the bottom of the desktop 1 and the ear plate 7 can slide on the bottom of the desktop 1, the top of the first connecting rod 5 and the top of the second connecting rod 6 are located On the same horizontal plane; the middle section of the first connecting rod 5 and the middle section of the second connecting rod 6 are movable riveted through rivets 8; the bottom end of the first connecting rod 5 is hinged on the slider 9 at the top of the base 3, and the The bottom end is hinged on the connecting rod 4, and the bottom end of the first connecting rod 5 and the bottom end of the second connecting rod 6 are located on the same horizontal plane. In this way, when the connecting rod 4 of the single-rod hydraulic pump 2 stretches, the distance between the bottom end of the second connecting rod 6 and the bottom end of the first connecting rod 5 increases gradually, because the middle section of the two is riveted movable, and the ears The plate 7 is slidable, so the angle between the first connecting rod 5 and the second connecting rod 6 increases, the two ear plates 7 slide away from each other, and the distance between the top ends of the two also gradually increases, and the middle section is riveted The point drops, so that the height of the entire support frame drops, and the level of the desktop also drops synchronously; similarly, when the connecting rod 4 of the single-rod hydraulic pump 2 shrinks, the bottom end of the second connecting rod 6 and the bottom end of the first connecting rod 5 The distance between the bottom ends decreases gradually, the angle between the first connecting rod 5 and the second connecting rod 6 decreases, the two lugs 7 slide closer, and the distance between the top ends of the two also gradually decreases , the riveting point in the middle section rises, so that the height of the entire support frame rises, and the horizontal height of the desktop also rises synchronously, so that the horizontal height of the desktop can be adjusted quickly and conveniently.

In the above adjustment process, in order to prevent the slider 9 from deviating from the originally set direction during the sliding process, causing misalignment or even twisting between the first connecting rod 5 and the second connecting rod 6, seriously affecting the normal adjustment of the height of the desktop 1, Preferably, the top end surface of the base 3 is recessed downward to form a chute, and the slider 9 can slide in the chute.

In addition, in order to prevent damage to the mechanical structure of the entire support frame caused by the stretching or overstretching of the connecting rod 4 of the single-rod hydraulic pump 2 , preferably, stoppers are provided at one or both ends of the chute.

In order to assist in fixing the structure of the entire support frame, improve its mechanical strength, and increase the load strength of the desktop, preferably, the slider 9 is fixed to the base 3 by fasteners.

The fixing method of the above-mentioned fasteners can be any detachable and assembled fixing method common in the art, but from the perspective of cost saving and convenience for subsequent table maintenance and replacement, the fasteners are preferably bolts, and the bolts can pass through the slide. The through hole on the block 9 matches the threaded hole on the base 3 .

In this embodiment, in order to be able to adjust the height of the person sitting on the chair to coordinate with the height adjustment of the table top to optimize the person's line of sight, prevent visual and physical fatigue when sitting and reading for a long time, and protect human health, preferably , the chair comprises a hydraulic cylinder 10 vertically arranged, a chair body 11 mounted on the top of the hydraulic cylinder 10 and a seat 12 arranged at the bottom of the hydraulic cylinder 10; wherein the seat 12 can slide along the length direction of the base 3 to approach or move away from table.

In the above adjustment process, after the user has adjusted and selected the height of the chair, the height of the desktop, and the distance between the table and the chair, in order to avoid the twisting of the body during use, which will cause the distance between the table and the chair to change arbitrarily, the preferred Outwardly extending on the side of the seat 12 is provided with a hand-drawn fixing device, the hand-pull fixing device includes an adjustment rod 13, a handle 14 connected to the top end of the adjustment rod 13, a fixed plate 15 arranged at the bottom end of the adjustment rod 13, sleeved on the adjustment rod 13 The spring in the middle of the rod 13 and the adjustment cylinder 16 sleeved outside the spring; wherein, one end of the spring is against the inner top surface of the adjustment cylinder 16, and the other end is welded on the adjustment rod 13; the bottom end surface of the fixed plate 15 faces outward The protrusion is formed with a plurality of fixed claws 17, and the side of the base 3 protrudes outwards to form a plurality of fixed columns 18. By pulling the handle 14, the fixed plate 15 can be driven to move in the vertical direction so that the fixed claws 17 and the fixed columns 18 are fixed together. or separation. During use, the person sitting on the chair pulls the handle 14 to drive the adjustment rod 13 to move vertically upwards. At this time, the adjustment rod 13 cooperates with the adjustment cylinder 16 to compress the spring; at the same time, the fixed plate 15 at the bottom of the connecting rod 13 also At this time, the fixed claw 17 is separated from the fixed column 18, and the distance between the chair and the table can be adjusted smoothly at this time; when the adjustment is completed, the person sitting on the chair releases the handle 14, and the spring loses the compression force and returns instantly. Press the fixed plate 15 vertically downwards, so that the fixed pawl 17 on the fixed plate 15 and the fixed post 18 tightly bite together again, so that the distance between the chair and the table can be fixed.

During the use of the adjustable table, when it is necessary to move the items stacked on the table, due to the heavy weight of the items and the table, it is laborious to lift and carry the whole thing, and it is time-consuming to carry the items separately. In order to save time To carry the articles on the desktop effortlessly, the four corners of the bottom of the preferred base 3 are equipped with self-locking wheels.

The preferred embodiment of the utility model has been described in detail above in conjunction with the accompanying drawings, but the utility model is not limited to the specific details of the above-mentioned embodiment, and within the scope of the technical concept of the utility model, the technical solution of the utility model can be carried out in many ways. These simple modifications all belong to the protection scope of the present utility model.

In addition, it should be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable way if there is no contradiction. The combination method will not be explained separately.

In addition, any combination of various implementations of the present invention can also be made, as long as they do not violate the idea of the present invention, they should also be regarded as the disclosed content of the present invention.

Claims (9)

1. a table and chair, is characterized in that, described table and chair comprises table, base (3) and chair; Described table and chair are all arranged on described base (3), and described chair can be arranged along described base ( 3) slides in the length direction to approach or move away from the table and is fixed on the base (3) by a fixture; the table includes a desktop (1), a support frame and a single-rod hydraulic pump arranged in sequence from top to bottom (2); the support frame is installed on the connecting rod (4) of the single-rod hydraulic pump (2) and the connecting rod (4) can drive the support frame to lift or descend in the vertical direction, wherein, The single-rod hydraulic pump (2) is a foot-operated hydraulic pump. 2. The table and chair according to claim 1, characterized in that, the support frame comprises two first connecting rods (5) and second connecting rods (6) arranged crosswise, wherein, The top of the first connecting rod (5) and the top of the second connecting rod (6) are all hinged on the ear plate (7) at the bottom end of the desktop (1) and the ear plate (7) can be positioned on the The bottom end of the desktop (1) slides, and the top of the first connecting rod (5) and the top of the second connecting rod (6) are located on the same horizontal plane; The middle section of the first connecting rod (5) is movable riveted with the middle section of the second connecting rod (6) through a rivet (8); The bottom end of the first connecting rod (5) is hinged on the slider (9) at the top of the base (3), and the bottom end of the second connecting rod (6) is hinged on the connecting rod (4) , and the bottom end of the first connecting rod (5) and the bottom end of the second connecting rod (6) are located on the same horizontal plane. 3. The table and chair according to claim 2, characterized in that, the top end surface of the base (3) is recessed downward to form a sliding groove, and the sliding block (9) can slide in the sliding groove. 4. The desk and chair according to claim 3, wherein stoppers are provided at one or both ends of the chute. 5. The table and chair according to any one of claims 2-4, characterized in that, the slider (9) is fixed to the base (3) by fasteners. 6. The desk and chair according to claim 5, characterized in that, the fasteners are bolts, and the bolts can pass through the through holes on the slider (9) and the holes on the base (3). Compatible with threaded holes. 7. The table and chair according to claim 1, characterized in that, the chair comprises a hydraulic cylinder (10) vertically arranged, a chair body (11) installed on the top of the hydraulic cylinder (10) and a chair body (11) arranged on the hydraulic cylinder (10) The seat (12) at the bottom end of the hydraulic cylinder (10); wherein, the seat (12) can slide along the length direction of the base (3) to approach or move away from the table. 8. The table and chair according to claim 7, characterized in that, the side of the seat (12) extends outwards with a hand-held fixing device, and the hand-held fixing device includes an adjustment rod (13), a connecting The handle (14) at the top of the adjusting rod (13), the fixed plate (15) arranged at the bottom of the adjusting rod (13), the spring sleeved in the middle of the adjusting rod (13) and the The adjustment cylinder (16) outside the spring; wherein, one end of the spring is against the inner top surface of the adjustment cylinder (16), and the other end is welded on the adjustment rod (13); the fixed plate ( 15) is formed with a plurality of fixed claws (17) protruding outwards on the bottom end surface, and the side of the base (3) protrudes outwards to form a plurality of fixed columns (18), by pulling the handle (14) can The fixing plate (15) is driven to move in the vertical direction so that the fixing claw (17) cooperates with the fixing column (18) to fix or separate. 9. The desk and chair according to claim 1, characterized in that self-locking wheels are installed at the four corners of the bottom end of the base (3).