Height-adjustable desk and chair combination

Abstract

The utility model discloses a height-adjustable desk and chair combination which comprises a desk body and a chair, the desk body comprises a desk plate and a storage body fixedly installed at the lower end of the desk plate, and the desk body further comprises two supporting leg assemblies; the supporting leg assembly comprises a fixing frame fixedly installed at the lower end of the storage body, a base and two telescopic leg structures arranged between the fixing frame and the base. The telescopic leg structure comprises an outer cylinder and an inner cylinder, the lower end of the outer cylinder is fixedly connected with the base, a sliding groove in sliding fit with the inner cylinder is formed in the upper end of the outer cylinder, a plurality of inserting holes are formed in the two sides, right opposite to the sliding groove, of the outer cylinder, bolts are in sliding fit with the two sides of the lower end of the inner cylinder, and the upper end of the inner cylinder is fixedly connected with the fixing frame. And the manual structure is used for driving the plug pins of the supporting leg assemblies to synchronously act. The height-adjustable desk and chair combination has the advantages of being capable of being manually adjusted, easy to operate and convenient to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of desk and chair, especially to a height adjustable desk and chair combination. BACKGROUND

[0002] The conventional desk and chair is fixed between each support rod through the mortise and tenon structure, forms the whole of the combination of seat, backrest and support leg, and the structure is fixed and cannot be adjusted after being made, and when being used by students of different heights, it cannot meet the use demand, so the height adjustable desk and chair combination appears.

[0003] The height adjustable desk and chair combination currently used is driven by the motor synchronous belt to move the support leg, and after long time use, the motor can drop the step, causes the height adjustment of the support leg to be inconsistent, and further causes the desktop of the desk and chair to be inclined, influences normal use. SUMMARY

[0004] In view of the above technical problems of the prior art, the technical problem to be solved by the patent application is how to provide a height adjustable desk and chair combination which can be manually adjusted, simple to operate and convenient to use.

[0005] In order to solve the above technical problem, the utility model adopts the following technical scheme:

[0006] A height adjustable desk and chair combination, including desk body and seat, the seat is arranged at one side of the desk body, the desk body includes a desk plate and a storage body fixedly installed at the lower end of the desk plate, the storage body has a storage cavity, the opening of the storage cavity is arranged opposite to the seat, and the desk body further includes two support leg assemblies; the support leg assembly includes a fixed frame fixedly installed at the lower end of the storage body, a base and two telescopic leg structures arranged between the fixed frame and the base.

[0007] The telescopic leg structure includes an outer cylinder and an inner cylinder, the lower end of the outer cylinder is fixedly connected with the base, the upper end of the outer cylinder is provided with a sliding groove in sliding fit with the inner cylinder, a plurality of insertion holes are formed at the two sides of the outer cylinder opposite to the sliding groove, the lower end of the inner cylinder is slidably provided with a latch at the two sides, and the upper end of the inner cylinder is fixedly connected with the fixed frame.

[0008] In this way, the desk plate, the storage body and the seat all belong to the structure of the existing desk and chair. Through the arrangement of the telescopic leg structure, the height of the desk plate can be adjusted to better match people of different heights and different needs for use.

[0009] When adjusting the height of the desk plate, two hands operate the manual structure, so that the latch is separated from the insertion hole, then the storage body is moved by the arm, the desk plate is moved to the required height, the manual structure is released, the latch is inserted into the insertion hole, and the height of the current desk plate is fixed.

[0010] The manual structure comprises a winding shaft rotatably installed in the fixed frame, one end of the winding shaft passes through the fixed frame and is fixed with a handle, and the fixed frame is provided with a wire passing hole opposite to the inner cylinder;

[0011] The inner cylinder is fixed with a pin seat opposite to the latch, a compression spring is arranged between the pin seat and the latch, the latch is fixed with a pull rope, and two pull ropes of the same inner cylinder pass through the pin seat and the wire passing hole and are fixedly connected with the winding shaft.

[0012] The fixed frame is rotatably installed with a wire guide wheel opposite to the wire passing hole, and a wire guide wheel groove is formed in the circumferential concave portion of the wire guide wheel.

[0013] The pin seat is fixedly installed with a wire guide plate, and a wire guide groove is formed in the wire guide plate.

[0014] The sliding groove of the outer cylinder is provided with guide rails on both sides, and the outer side of the inner cylinder is provided with guide grooves which are in sliding cooperation with the guide rails.

[0015] Two reinforcing rods are fixedly installed between the two outer cylinders away from the seat.

[0016] In summary, the height-adjustable desk and chair combination has the advantages of being manually adjustable, simple to operate and convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The height-adjustable desk and chair combination is a structural schematic view.

[0018] Figure 2 It is a schematic view of the table body.

[0019] Figure 3 It is a schematic view of the supporting leg assembly.

[0020] Figure 4 It is Figure 3 It is a schematic view of another orientation after removing the handle and the fixed frame.

[0021] Figure 5 It is an enlarged schematic view of the inner cylinder.

[0022] Figure 6 It is a schematic view of the latch and the tension spring. DETAILED DESCRIPTION

[0023] The utility model makes further detailed description below combining with the drawings. In the description of the utility model, it is understood that the orientation words such as "up, down" and "top, bottom" and the like indicated orientation or position relation is usually based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, in the absence of opposite statement, these orientation words do not indicate and imply the device or element must have a particular orientation or with a particular orientation structure and operation, therefore can not be understood as the limitation of the protection scope of the utility model;The orientation words "inner, outer" refer to the inner and outer of the contour of each component itself.

[0024] As Figures 1-6 Indicated, a height-adjustable desk chair combination, including desk body and seat 1, the seat is arranged at the side of desk body, the desk body includes table board 2 and fixedly installed in the lower end of table board and is received body 3, the received cavity has the opening of received cavity, the opening of received cavity is arranged opposite seat, the desk body still includes two support leg assemblies 4;The support leg assembly includes fixedly installed in the lower end of received body and is fixed frame 5, base 6 and is arranged between fixed frame and base two telescopic leg structures 7;

[0025] The telescopic leg structure includes outer tube 8 and inner tube 9, the lower end of outer tube is fixedly connected with base, the upper end of outer tube is provided with the sliding slot of sliding fit with inner tube, the both sides of outer tube are provided with a plurality of insertion holes 10 opposite sliding slot, the lower end of inner tube is slidably fitted with latch 11, the upper end of inner tube is fixedly connected with fixed frame, still include the hand structure for driving the synchronous action of the latch of support leg assembly.

[0026] In this way, the table board, the received body and the seat all belong to the structure of the existing desk chair. By providing the telescopic leg structure, the height of the table board can be adjusted to better match people of different heights and different needs for use.

[0027] When adjusting the height of the table board, both hands operate the hand structure, so that the latch is separated from the insertion hole, then the received body is moved by using the arm, so that the table board reaches the required height, the hand structure is released, the latch is inserted into the insertion hole, and the height of the current table board is fixed.

[0028] Specifically, the insertion hole is provided with at least three groups, which facilitates the table board to adjust different heights. The length of the inner tube is less than the length of the outer tube.

[0029] When implemented, the hand structure includes a winding shaft 12 rotatably installed in the fixed frame, one end of the winding shaft passes through the fixed frame and is fixed with a handle 13, the fixed frame is provided with a wire hole opposite the inner tube, and the inner tube is hollowly arranged.

[0030] The inner cylinder is provided with a pin seat 14 opposite to the plug-in pin, the plug-in pin is in sliding fit with the pin seat, a compression spring 15 is arranged between the pin seat and the plug-in pin, the plug-in pin is fixed with a pull rope 16, two pull ropes in the same inner cylinder pass through the pin seat and the wire hole and are fixedly connected with the winding shaft;

[0031] The fixed frame is rotatably provided with a wire guide wheel 17 opposite to the wire hole, and a wire guide wheel groove is formed in the circumferential inner side of the wire guide wheel.

[0032] In this way, when the height is adjusted, two hands hold the handle, rotate the handle, drive the winding shaft to rotate, the winding shaft winds the pull rope, and then the plug-in pin is pulled by the pull rope to make the plug-in pin separate from the plug-in hole, and then the inner cylinder can slide relative to the sliding groove, at this time the compression spring is compressed, the arm is used to move the storage body to move, so that the table board reaches the required height, then the handle is released, the compression spring is released, the plug-in pin is driven to pass through the plug-in hole, and the height of the current table board is locked.

[0033] Through the setting of the two handles, four telescopic leg structures are driven to synchronously extend and retract, without the need for electric control, high stability and convenient operation. The wire guide wheel is provided, which is convenient for guiding the turning of the pull rope and improving the smoothness.

[0034] Specifically, the pin seat is provided with a pull rope through hole, the pull rope passes through the through hole, and the compression spring is located between the inner end of the plug-in pin and the pin seat.

[0035] In implementation, the pin seat is fixedly provided with a wire guide plate 18, and a wire guide groove is formed in the wire guide plate. The wire guide groove is convenient for guiding the turning of the pull rope.

[0036] In implementation, the sliding groove of the outer cylinder is provided with guide rails inwardly protruding on both sides, and the outer side of the inner cylinder is provided with guide grooves 19 in sliding fit with the guide rails. The sliding of the inner cylinder is guided.

[0037] In implementation, two reinforcing rods 20 are fixedly installed between the two outer cylinders away from the seat. The overall strength is improved.

[0038] Finally, it should be noted that those skilled in the art can make various modifications and variations to the utility model without departing from the spirit and scope of the utility model. Thus, if these modifications and variations of the utility model are within the scope of the claims of the utility model and the like, the utility model also intends to include these modifications and variations.

Claims

1. A height-adjustable desk and chair combination, comprising a desk body and a seat (1), the seat being arranged at one side of the desk body, the desk body comprising a desk plate (2) and a receiving body (3) fixedly mounted at the lower end of the desk plate, the receiving body having a receiving cavity, the opening of the receiving cavity being arranged opposite the seat, the desk body further comprising two leg assemblies (4); characterized in that, The leg assembly comprises a fixed frame (5) fixedly installed at the lower end of the accommodating body, a base (6), and two telescopic leg structures (7) arranged between the fixed frame and the base; The telescopic leg structure comprises an outer cylinder (8) and an inner cylinder (9), the lower end of the outer cylinder is fixedly connected with the base, the upper end of the outer cylinder is provided with a sliding groove in sliding fit with the inner cylinder, a plurality of insertion holes (10) are arranged at the two sides of the outer cylinder opposite to the sliding groove, the lower end of the inner cylinder is slidably provided with a latch (11) at the two sides, the upper end of the inner cylinder is fixedly connected with the fixed frame, and the manual structure for synchronously driving the latches of the leg assembly is further included.

2. A height adjustable desk and chair combination as claimed in claim 1 wherein, The manual structure comprises a winding shaft (12) rotatably installed in the fixed frame, one end of the winding shaft penetrates through the fixed frame and is fixedly provided with a handle (13), and the fixed frame is provided with a wire passing hole opposite to the inner cylinder; The inner cylinder is fixedly provided with a pin seat (14) opposite to the latch, a compression spring (15) is arranged between the pin seat and the latch, the latch is fixedly provided with a pull rope (16), and the two pull ropes of the same inner cylinder penetrate through the pin seat and the wire passing hole and are fixedly connected with the winding shaft; The fixed frame is rotatably provided with a wire guide wheel (17) opposite to the wire passing hole, and the wire guide wheel is inwardly concave to form a wire guide wheel groove.

3. A height adjustable desk and chair combination according to claim 2, wherein, The pin seat is fixedly provided with a wire guide plate (18), and the wire guide plate is inwardly concave to form a wire guide groove.

4. A height adjustable desk and chair combination according to claim 3, wherein, The sliding groove of the outer cylinder is inwardly protrudingly provided with a guide rail at the two sides, and the outer side of the inner cylinder is provided with a guide groove (19) in sliding fit with the guide rail.

5. A height adjustable desk and chair combination as claimed in claim 4 wherein, Two reinforcing rods (20) are fixedly installed between the two outer cylinders away from the seat.

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