CN210783363U

CN210783363U - Liftable computer desk

Info

Publication number: CN210783363U
Application number: CN201920662400.7U
Authority: CN
Inventors: 肖珍兵
Original assignee: Huian Kangyuan Machinery Co ltd
Current assignee: Heilongjiang Manhu Animation Technology Development Co.,Ltd.
Priority date: 2019-05-10
Filing date: 2019-05-10
Publication date: 2020-06-19
Anticipated expiration: 2029-05-10

Abstract

The utility model provides a liftable computer desk, including the computer desk main part, the computer desk main part includes main platform, upper mounting plate and a pair of landing leg, is equipped with a pillar on a pair of landing leg respectively, is equipped with a bottom plate between a pair of pillar, connect a hydraulic pressure elevating gear and two cranes on the extension board, two cranes are located respectively the square groove at extension board both ends, hydraulic pressure elevating gear is located between two cranes, one side of hydraulic pressure elevating gear is equipped with actuating mechanism. The utility model provides a liftable desk because the hydraulic pressure elevating gear that is equipped with on the extension board for the upper platform can realize freely going up and down, therefore the utility model has the advantage that can freely go up and down.

Description

Liftable computer desk

Technical Field

The utility model relates to a computer bears technical field, especially involves a liftable desk.

Background

The computer desk is a desk for placing a computer and is also an important office supply. Modern computer tables are various in style and material and diversified in design. With the progress of society and science and technology, the design of computer desks is also various. The computer is a special electric appliance, and is different from a television and a sound box in that people need to operate in a close range all the time when using the computer, so that the computer has specific requirements on the placement height of the computer and the positions of a keyboard and a mouse, and common furniture mostly does not meet the conditions. Therefore, the working efficiency can be improved during operation by selecting a proper computer desk.

In summary, how to enable the computer desk to freely ascend and descend is a problem that needs to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems and requirements mentioned above, the present invention provides a liftable computer desk, which has the advantage of being capable of freely lifting, and can solve the technical problems mentioned above by adopting the following technical solutions.

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

the utility model provides a liftable desk, includes the desk main part, and the desk main part includes main platform and upper mounting plate, and the rear side of main platform is equipped with an extension board, is equipped with a pair of landing leg on the bottom surface of extension board, and the lower extreme of a pair of landing leg sets up a hydraulic pressure elevating gear and two cranes between extension board of main platform and the upper mounting plate through a bottom plate fixed connection, and hydraulic pressure elevating gear is located between two cranes, and one side of hydraulic pressure elevating gear is equipped with actuating mechanism.

Further, the hydraulic elevating device includes:

the base is arranged in the middle of the extension plate;

the cylinder body is arranged at the upper part of the base, and a sealing ring is arranged at the clamping position of the cylinder body and the base;

the piston rod is arranged in the cylinder body in a sliding mode through the outer convex portion, an oil inlet cavity is formed between the piston rod and the base, the oil inlet cavity is communicated with an oil outlet of the oil tank through the driving mechanism, and the oil inlet cavity is communicated with an oil return opening of the oil tank through the check valve.

Furthermore, a first oil conveying pipe, a second oil conveying pipe and a third oil conveying pipe are connected in the hydraulic lifting device, two ends of the first oil conveying pipe are connected to the oil tank and the driving mechanism respectively, two ends of the second oil conveying pipe are connected to the driving mechanism and the third oil conveying pipe respectively, and two ends of the third oil conveying pipe are connected to the oil tank and the base respectively.

Furthermore, the first oil delivery pipe and the second oil delivery pipe are respectively provided with a one-way valve.

Furthermore, actuating mechanism includes the hydraulic pump body, push rod and hydraulic piston, and the hydraulic pump body is located on the extension board, and hydraulic piston locates in the hydraulic pump body, and the upper portion at hydraulic piston is connected to the push rod.

Further, every crane includes a plurality of support frames, kicking block and base, and the pedestal mounting is in the square groove of extension board, and the kicking block is connected on the base, and a plurality of support frames all are the X type and locate between kicking block and the base.

Furthermore, the computer desk also comprises a top body, the top body is positioned at the upper part of the piston rod, and the top body is positioned at the lower part of the upper platform.

Furthermore, a pair of limiting blocks is arranged on the cylinder body and is positioned at the upper part of the cylinder body.

The beneficial effects of the utility model are that, this lift desk's upper platform accessible hydraulic pressure elevating gear comes height-adjusting, and controls the fluid flow direction in the hydraulic pressure elevating gear through actuating mechanism to make the upper platform height freely go up and down, user of can facilitating the use like this, and be equipped with two cranes on the extension board, be favorable to at the upper platform lift in-process, play certain cushioning effect.

The following description of the preferred embodiments for carrying out the present invention will be made in detail with reference to the accompanying drawings so that the features and advantages of the present invention can be easily understood.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments of the present invention will be briefly described below. The drawings are intended to depict only some embodiments of the invention, and not all embodiments of the invention are limited thereto.

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic structural diagram of the hydraulic lifting device of the present invention.

Fig. 3 is a schematic structural diagram of the hydraulic mechanism of the present invention.

Fig. 4 is a schematic view illustrating a structure in which the piston rod in fig. 3 ascends.

Figure 5 is the structure schematic diagram of the lifting frame of the utility model.

List of reference numerals: the hydraulic lifting device comprises a main platform 10, an extension plate 11, a square groove 111, a support column 12, a bottom plate 13, an upper platform 20, a hydraulic lifting device 30, a cylinder body 31, an upper cavity 311, a limiting block 312, an oil tank 32, a first oil delivery pipe 321, a second oil delivery pipe 322, a third oil delivery pipe 323, a piston rod 33, an outer convex part 331, an oil inlet cavity 332, a base 34, a one-way valve 35, a sealing ring 36, a check valve 37, a driving mechanism 40, a hydraulic pump body 41, a push rod 42, a hydraulic piston 43, a lifting frame 50, an elastic compression piece 51, a supporting frame 52, a base 53 and a top body 60.

Detailed Description

In order to make the technical solution of the present invention, its purpose, technical solution and advantages become clearer, the drawings of the embodiments of the present invention will be combined hereinafter, and the technical solution of the embodiments of the present invention will be clearly and completely described. Like reference symbols in the various drawings indicate like elements. It should be noted that the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.

Referring to fig. 1 to 5, the liftable computer desk shown in fig. 1 includes a main platform 10 and an upper platform 20, an extension board 11 is disposed at the rear side of the main platform 10, a pair of legs is disposed on the bottom surface of the extension board 11, the lower ends of the pair of legs are fixedly connected through a bottom board 13, a hydraulic lifting device 30 and two lifting frames 50 are disposed between the extension board 11 of the main platform 10 and the upper platform 20, the hydraulic lifting device 30 is disposed between the two lifting frames 50, and a driving mechanism 40 is disposed at one side of the hydraulic lifting device 30.

As shown in fig. 2, 3 and 4, the hydraulic lifting device 30 includes a base 34, a cylinder 31, a piston rod 33 and an oil tank 32, wherein the base 34 is disposed in the middle of the extension plate 11; the cylinder 31 is arranged on the upper part of the base 34, and a sealing ring 36 is arranged at the clamping position of the cylinder 31 and the base 34; the piston rod 33 is slidably disposed in the cylinder 31 through an external protrusion 331, an upper cavity 311 is formed between the piston rod 33 and the cylinder 31, and an oil inlet cavity 332 is formed between the piston rod 33 and the base 34; the oil tank 32 is arranged on the bottom plate 13, the oil inlet cavity 332 is communicated with an oil outlet of the oil tank 32 through the driving mechanism 40, and the oil inlet cavity 332 is communicated with an oil return port of the oil tank 32 through the check valve 37. With the above structure, the piston rod 33 is moved by the pressure in the cylinder 31, and the upper platform 20 is driven to move, so that the height of the upper platform 20 can be adjusted up or down.

Preferably, No. one defeated oil pipe 321, No. two defeated oil pipe 322 and No. three defeated oil pipe 323 of hydraulic pressure elevating gear in-connection, the both ends of a defeated oil pipe 321 are connected respectively the oil tank 32 with on the actuating mechanism 40, No. two defeated oil pipe 322's both ends are connected respectively actuating mechanism 40 with No. three defeated oil pipe 323 is last, No. three defeated oil pipe 323's both ends are connected respectively the oil tank 32 with on the base 34, set up above structure, the accessible changes the flow direction of fluid, controls the fluid volume size in the cylinder body 31 to the lift of mesa 20 in the realization.

Preferably, No. one defeated oil pipe 321 with respectively be equipped with a check valve 35 on No. two defeated oil pipe 322, be equipped with a check valve 37 on No. three defeated oil pipe 323, set up above structure, can be in the drive process, make No. one defeated oil pipe 321 with fluid in No. two defeated oil pipe 322 is carried smoothly, sets up check valve 37, is favorable to controlling the fluid flow direction in No. three defeated oil pipe 323.

Preferably, the driving mechanism 40 includes a hydraulic pump body 41, a push rod 42 and a hydraulic piston 43, the hydraulic pump body 41 is provided on the extension plate 11, the hydraulic piston 43 is provided in the hydraulic pump body 41, the push rod 42 is connected on the upper portion of the hydraulic piston 43, the above structure is provided, and the movement of the hydraulic piston 43 in the hydraulic pump body 41 can be controlled by adjusting the driving mechanism 40, so that the oil enters the first oil delivery pipe 321, flows into the third oil delivery pipe 323, and finally flows into the cylinder body 31, so that the piston rod 33 in the cylinder body 31 moves.

As shown in fig. 5, each crane 50 includes a plurality of support frames 52, a top block 51 and a base 53, the base 53 is installed in the square groove 111 of the extension plate 11, the top block 51 is connected to the base 53, and the plurality of support frames 52 are all disposed between the top block 51 and the base 53 in an X shape. By the arrangement of the structure, certain buffering effect can be achieved in the lifting process of the upper platform 20.

Preferably, the computer desk further comprises a top body 60, the top body 60 is located on the upper portion of the piston rod 33, and the top of the top body 60 is pressed against the bottom surface of the upper platform 20, so that the upper platform 20 can be freely lifted through the top body 60 in the lifting process of the piston rod 33.

Preferably, the cylinder 31 is provided with a pair of stoppers 312, and the pair of stoppers 312 is located at the upper part of the cylinder 31, so that the piston rod 33 can be effectively prevented from sliding down from the cylinder 31.

The working process is as follows: when the connecting arm of the driving mechanism 40 is lifted by hand, the hydraulic piston 43 is moved upward, the volume in the hydraulic pump body 41 increases, and since the check valve 35 closes the oil passage of the first oil delivery pipe 321 and opens the check valve 37 at the same time, the oil passage in the third oil delivery pipe 323 is prevented from flowing back, so that the volume in the hydraulic pump body 41 increases and a partial vacuum is formed. Under the action of pressure, oil in the oil tank 32 opens another one-way valve 35 through a second oil delivery pipe 322 and flows into the hydraulic pump body 41 to finish oil absorption; when the connecting arm of the driving mechanism 40 is pressed down, the hydraulic piston 43 is driven to move downwards, the volume in the hydraulic pump body 41 is reduced, oil in the hydraulic pump body is extruded out, the one-way valve 35 in the first oil delivery pipe 321 is pushed open, the oil flows through the third oil delivery pipe 323 and enters the cylinder body 31, and the mutual acting force generated by the oil entering the cylinder body 31 due to extrusion pushes the piston rod 33 to ascend, and jacks up the jacking body 60 to do work. The reciprocating lifting and pressing driving mechanism 40 can continuously increase the high end of the upper platform 20 to achieve the lifting purpose; when the upper platform 20 is required to descend, the check valve 37 is closed, and oil in the cylinder 31 flows back into the oil tank 32 through the third oil pipeline 323 by means of the self weight of the upper platform 20 until the upper platform 20 descends to the original position.

It should be noted that the embodiments of the present invention are only the preferred embodiments for implementing the present invention, and all the obvious modifications and changes belonging to the overall concept of the present invention should fall within the protection scope of the present invention.

Claims

1. The utility model provides a liftable computer desk, includes the computer desk main part, the computer desk main part includes main platform (10) and last platform (20), the rear side of main platform (10) is equipped with one and extends board (11), be equipped with a pair of landing leg on the bottom surface of extending board (11), the lower extreme of a pair of landing leg is through a bottom plate (13) fixed connection, a serial communication port, set up a hydraulic pressure elevating gear (30) and two crane (50) between extension board (11) of main platform (10) and last platform (20), hydraulic pressure elevating gear (30) are located between two crane (50), one side of hydraulic pressure elevating gear (30) is equipped with actuating mechanism (40).

2. Liftable computer desk according to claim 1, wherein the hydraulic lifting device (30) comprises:

the base (34), the said base (34) locates the middle part of the said extending plate (11);

the cylinder body (31) is arranged on the upper part of the base (34), and a sealing ring (36) is arranged at the clamping position of the cylinder body (31) and the base (34);

piston rod (33), piston rod (33) slide through evagination (331) and locate in cylinder body (31), piston rod (33) with form an oil feed chamber (332) between base (34), oil feed chamber (332) are through the oil-out intercommunication of actuating mechanism (40) with oil tank (32), oil feed chamber (332) are through the oil return opening intercommunication of check valve (37) with oil tank (32).

3. The liftable computer desk according to claim 2, wherein a first oil delivery pipe (321), a second oil delivery pipe (322) and a third oil delivery pipe (323) are connected in the hydraulic lifting device, two ends of the first oil delivery pipe (321) are respectively connected to the oil tank (32) and the driving mechanism (40), two ends of the second oil delivery pipe (322) are respectively connected to the driving mechanism (40) and the third oil delivery pipe (323), and two ends of the third oil delivery pipe (323) are respectively connected to the oil tank (32) and the base (34).

4. The liftable computer desk of claim 3, wherein the first oil delivery pipe (321) and the second oil delivery pipe (322) are respectively provided with a one-way valve (35).

5. The liftable computer desk according to claim 1, wherein the driving mechanism (40) comprises a hydraulic pump body (41), a push rod (42) and a hydraulic piston (43), the hydraulic pump body (41) is disposed on the extension plate (11), the hydraulic piston (43) is disposed in the hydraulic pump body (41), and the push rod (42) is connected to an upper portion of the hydraulic piston (43).

6. The liftable computer table according to claim 1, wherein each lifting frame (50) comprises a plurality of support frames (52), a top block (51) and a base (53), the base (53) is installed in the square groove (111) of the extension plate (11), the top block (51) is connected to the base (53), and the plurality of support frames (52) are arranged between the top block (51) and the base (53) in an X shape.

7. The liftable computer desk of claim 2, further comprising a top body (60), wherein the top body (60) is located at an upper portion of the piston rod (33), and the top body (60) is located at a lower portion of the upper platform (20).

8. The liftable computer desk according to claim 2, wherein the cylinder body (31) is provided with a pair of limit blocks (312), and the pair of limit blocks (312) is located at the upper part of the cylinder body (31).