CN213605119U

CN213605119U - Desk with lifting rapid adjusting function

Info

Publication number: CN213605119U
Application number: CN202021780007.7U
Authority: CN
Inventors: 莫俊华; 钱进; 张永生
Original assignee: Anhui Lujiang Junhua Steel Wood Furniture Co ltd
Current assignee: Anhui Lujiang Junhua Steel Wood Furniture Co ltd
Priority date: 2020-08-24
Filing date: 2020-08-24
Publication date: 2021-07-06
Anticipated expiration: 2030-08-24

Abstract

The utility model discloses a desk with lifting and rapid adjusting functions, which comprises a bottom plate, a lifting mechanism and a reinforcing component, wherein the bottom surface of the bottom plate is sunken with a rectangular groove, and a rectangular drawer is arranged in the rectangular groove; a pair of U-shaped long plates are arranged below two sides of the bottom surface of the bottom plate, the top surface of each U-shaped long plate is connected with one side of the bottom surface of the bottom plate through a lifting mechanism, and two fixing cylinders of the lifting mechanism are connected with the rectangular drawer through reinforcing components. The utility model provides a inconvenient problem of desk altitude mixture control, use through the cooperation of mechanism's subassembly, the regulative mode is nimble convenient, has made things convenient for and has carried out the accurate regulation to the desk height.

Description

Desk with lifting rapid adjusting function

Technical Field

The utility model relates to a desk chair technical field especially relates to a desk with lift quick adjustment function.

Background

The desk in the school classroom is usually fixed, the size of the desk is in a standard structure, and the height of the desktop is not adjustable. As the students are in the growth stage and have different heights, the students with different heights can bend down when using the desk, the students with different heights can extend necks, the study of the students is influenced, and the desk has a single structure.

The existing liftable desk has a simple structure, the supporting legs are completely stretched by a user when the height is adjusted, the labor intensity is high in the whole adjusting process, the adjusting precision is poor, the working procedure is complex, and the whole product is too stiff to use and is not flexible enough.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a desk with a lifting rapid adjusting function.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a desk with a lifting rapid adjusting function comprises a bottom plate, a lifting mechanism and a reinforcing assembly, wherein a rectangular groove is formed in the bottom surface of the bottom plate in a concave mode, and a rectangular drawer is installed in the rectangular groove; the bottom surface both sides below of bottom plate is equipped with a pair of U-shaped long board, every the top surface of U-shaped long board is connected with bottom surface one side of bottom plate through elevating system, elevating system's two fixed cylinders are connected with the rectangle drawer through strengthening the subassembly.

Preferably, the lifting mechanism comprises a fixed cylinder, a threaded rod and a sliding cylinder, the top surface of the U-shaped long plate is provided with a pair of fixed cylinders, fixed bearings are arranged at the bottom in the fixed cylinders, and the threaded rods are inserted in the fixed bearings; sliding cylinders are arranged at the top parts in the fixed cylinders, and the top ends of the sliding cylinders are fixedly connected with the bottom surface of the bottom plate; the bottom all is equipped with a screw section of thick bamboo in the slide cartridge, the equal spiral of threaded rod runs through a screw section of thick bamboo that corresponds and stretches into to the slide cartridge in.

Preferably, the reinforcing assembly comprises a reinforcing plate, a first hinge rod and a second hinge rod, two ends of the reinforcing plate are fixedly connected with the middle upper parts of the rear sides of the two fixed cylinders respectively, a pair of first hinge seats are arranged on the top surface of the reinforcing plate, and the pair of first hinge seats are hinged to the bottom ends of the pair of first hinge rods; the rear side face of the rectangular drawer is provided with a pair of second hinged seats, the second hinged seats are hinged to the top ends of the second hinged rods, and the top ends of the second hinged rods are hinged to the top ends of the corresponding first hinged rods.

Preferably, a rotating shaft is arranged between the bottoms of the two fixed cylinders on the same side, the bottoms of the two fixed cylinders are respectively provided with a rotating cylinder, two ends of the rotating shaft are respectively inserted into the corresponding rotating cylinders in a penetrating manner, and the middle of the rotating shaft is sleeved with an anti-skidding sleeve.

Preferably, the bottom end of each threaded rod is sleeved with a driven bevel gear, the bottom of each threaded rod in the fixed cylinder is sleeved with a driving bevel gear at two ends of the rotating shaft, and the driving bevel gears are matched with the corresponding driven bevel gears for meshing transmission.

Preferably, a protective pad is laid on the top surface of the bottom plate, and a pair of trapezoidal seats is arranged at two ends of the U-shaped long plate.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the anti-slip sleeve is held tightly to rotate the rotating shaft to slowly rotate along the rotating drum, the driving bevel gear is driven to be meshed with the driven bevel gear to rotate, the threaded rod is driven to be matched with the threaded drum to rotate in a spiral mode, the sliding drum is driven to ascend and descend along the fixed drum by the aid of spiral reaction force, and the height of the desk can be conveniently adjusted;

2. the distance between the rectangular drawer and the reinforcing plate is changed, and the first hinge rod is driven to be matched with the second hinge rod to be opened and closed under the hinge action, so that the stability of height adjustment of the desk is improved;

to sum up, the utility model provides a inconvenient problem of desk altitude mixture control, use through the cooperation of mechanism's subassembly, the regulation mode is nimble convenient, has made things convenient for and has carried out the accurate regulation to the desk height.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limitation. In the drawings:

FIG. 1 is a front sectional view of the present invention;

FIG. 2 is a left side sectional view of the present invention;

FIG. 3 is a front view of the present invention;

fig. 4 is a left side view of the present invention;

fig. 5 is an enlarged view of a point a in fig. 1 according to the present invention;

fig. 6 is an enlarged view of the position B in fig. 2 according to the present invention;

number in the figure: the device comprises a bottom plate 1, a protective pad 11, a rectangular drawer 12, a reinforcing plate 13, a first hinge rod 14, a second hinge rod 15, a fixed cylinder 2, a sliding cylinder 21, a threaded rod 22, a threaded cylinder 23, a driven bevel gear 24, a driving bevel gear 25, a U-shaped long plate 3, a trapezoidal seat 31, an anti-slip sleeve 32, a rotating shaft 33 and a rotating cylinder 34.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example 1: in order to solve the problem of inconvenient height adjustment of the desk, the present embodiment provides a desk with a lifting and rapid adjusting function, and referring to fig. 1-6, the desk comprises a bottom plate 1, a lifting mechanism and a reinforcing assembly, wherein the bottom plate 1 is in a rectangular plate shape horizontally and transversely placed, a rectangular groove is recessed in the bottom surface of the bottom plate 1, and a rectangular drawer 12 with a forward opening is installed in the rectangular groove; a pair of U-shaped long plates 3 with downward openings are arranged below two sides of the bottom surface of the bottom plate 1, the top surface of each U-shaped long plate 3 is connected with one side of the bottom surface of the bottom plate 1 through a lifting mechanism, and two fixed cylinders 2 of the lifting mechanism are connected with a rectangular drawer 12 through reinforcing components; protection pad 11 has been laid to the top surface of bottom plate 1, and protection pad 11 has made things convenient for the student to use on bottom plate 1, the both ends of U-shaped long slab 3 are equipped with the trapezoidal seat 31 that a pair of symmetry was placed, and trapezoidal seat 31 has increased the stability of U-shaped long slab 3.

In the utility model, the lifting mechanism comprises a fixed cylinder 2, a threaded rod 22 and a sliding cylinder 21, the top surface of the U-shaped long plate 3 is provided with a pair of fixed cylinders 2 which are vertically arranged in parallel, fixed bearings are arranged at the bottom in the fixed cylinders 2, and the threaded rods 22 which penetrate through the fixed bearings are inserted in the fixed bearings; sliding cylinders 21 which are penetrated in a sliding manner are arranged at the top parts in the fixed cylinders 2, and the top ends of the sliding cylinders 21 are fixedly connected with the bottom surface of the bottom plate 1; the bottom in the sliding cylinder 21 is provided with a threaded cylinder 23, and the threaded rods 22 spirally penetrate through the corresponding threaded cylinder 23 and extend into the sliding cylinder 21; the screw reaction force drives the threaded cylinder 23 and the sliding cylinder 21 to lift along the fixed cylinder 2, so that the rectangular drawer 12 and the bottom plate 1 are driven to lift conveniently.

In the utility model, the reinforcing component comprises a reinforcing plate 13, a first hinge rod 14 and a second hinge rod 15, two ends of the reinforcing plate 13 are respectively fixedly connected with the rear middle upper parts of the two fixed cylinders 2, a pair of first hinge seats with upward openings are arranged on the top surface of the reinforcing plate 13, and the openings of the pair of first hinge seats are movably hinged with the bottom ends of the pair of first hinge rods 14 which are arranged in a crossed manner through pin shafts; a pair of second hinge seats with downward openings are arranged on the rear side surface of the rectangular drawer 12, the openings of the second hinge seats are movably hinged with the top ends of a pair of second hinge rods 15 which are arranged in a crossed mode through pin shafts, and the top end of each second hinge rod 15 is movably hinged with the top end of the corresponding first hinge rod 14 through a pin shaft; the space between the rectangular drawer 12 and the reinforcing plate 13 drives the first hinge rod 14 to be matched with the second hinge rod 15 to open and close under the hinge action, so that the stability of the height adjustment of the desk is improved.

In the utility model, a rotating shaft 33 which is longitudinally arranged is arranged between the bottoms of the two fixed cylinders 2 on the same side, the bottoms of the two fixed cylinders 2 are respectively provided with a rotating cylinder 34 which is fixedly connected in a penetrating way, two ends of the rotating shaft 33 are respectively inserted in the corresponding rotating cylinders 34 in a penetrating way, and the middle part of the rotating shaft 33 is sleeved with an anti-skid sleeve 32; the bottom end of each threaded rod 22 is sleeved with a driven bevel gear 24 which coaxially rotates, two ends of a rotating shaft 33, which are positioned at the bottom in the fixed cylinder 2, are sleeved with driving bevel gears 25, and the driving bevel gears 25 are matched with the corresponding driven bevel gears 24 for meshing transmission; the anti-slip sleeve 32 is gripped to rotate the rotating shaft 33 to slowly rotate along the rotating cylinder 34, so as to drive the driving bevel gear 25 to be matched with the driven bevel gear 24 to rotate in a meshed manner, and the sliding cylinder 21 is conveniently driven to lift along the fixed cylinder 2.

Example 2: the utility model discloses when specifically using, its operating procedure is as follows:

firstly, adjusting the top surface of the bottom plate 1 according to the body height of a student, tightly holding the anti-slip sleeve 32 to rotate the rotating shaft 33 to slowly rotate along the rotating drum 34, and driving the driving bevel gear 25 to be matched with the driven bevel gear 24 to rotate in a meshed manner;

step two, simultaneously driving the threaded rod 22 to be matched with the threaded cylinder 23 to rotate spirally, and driving the threaded cylinder 23 and the sliding cylinder 21 to lift along the fixed cylinder 2 by spiral reaction force as the threaded rod 22 is limited in the fixed bearing which is fixed in the fixed cylinder 2;

and step three, simultaneously driving the rectangular drawer 12 to lift, and driving the first hinge rod 14 to be matched with the second hinge rod 15 to open and close under the hinge action, thereby driving the bottom plate 1 to lift.

The utility model provides a inconvenient problem of desk altitude mixture control, use through the cooperation of mechanism's subassembly, the regulative mode is nimble convenient, has made things convenient for and has carried out the accurate regulation to the desk height.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a desk with lift quick adjustment function, includes bottom plate (1), elevating system, reinforcement component, its characterized in that: a rectangular groove is formed in the bottom surface of the bottom plate (1) in a concave mode, and a rectangular drawer (12) is installed in the rectangular groove; the bottom surface both sides below of bottom plate (1) is equipped with a pair of U-shaped long board (3), every the top surface of U-shaped long board (3) is connected with bottom surface one side of bottom plate (1) through elevating system, two fixed cylinders (2) of elevating system are connected with rectangle drawer (12) through strengthening the subassembly.

2. The desk with the function of rapidly adjusting the lifting as claimed in claim 1, wherein: the lifting mechanism comprises a fixed cylinder (2), a threaded rod (22) and a sliding cylinder (21), a pair of fixed cylinders (2) are arranged on the top surface of the U-shaped long plate (3), fixed bearings are mounted at the bottom in each fixed cylinder (2), and the threaded rods (22) are inserted in the fixed bearings; sliding cylinders (21) are arranged at the top parts of the inner parts of the fixed cylinders (2), and the top ends of the sliding cylinders (21) are fixedly connected with the bottom surface of the bottom plate (1); the bottom all is equipped with a screw section of thick bamboo (23) in slide cartridge (21), threaded rod (22) all the spiral run through corresponding screw section of thick bamboo (23) and stretch into in slide cartridge (21).

3. The desk with the function of rapid lifting adjustment as claimed in claim 2, wherein: the reinforcing component comprises a reinforcing plate (13), first hinge rods (14) and second hinge rods (15), two ends of the reinforcing plate (13) are fixedly connected with the middle upper parts of the rear sides of the two fixed cylinders (2) respectively, a pair of first hinge seats are arranged on the top surface of the reinforcing plate (13), and the pair of first hinge seats are hinged to the bottom ends of the pair of first hinge rods (14); the rear side of the rectangular drawer (12) is provided with a pair of second hinged seats, the pair of second hinged seats are hinged to the top ends of the pair of second hinged rods (15), and each top end of each second hinged rod (15) is hinged to the top end of the corresponding first hinged rod (14).

4. The desk with the function of rapid lifting adjustment as claimed in claim 2, wherein: be equipped with pivot (33) between two fixed section of thick bamboo (2) bottoms with one side, and two fixed section of thick bamboo (2) bottoms all are equipped with rotary drum (34), the both ends of pivot (33) are run through respectively and are established in corresponding rotary drum (34), the middle part cover of pivot (33) is equipped with anti-skidding cover (32).

5. The desk with the function of rapid lifting adjustment as claimed in claim 2 or 4, wherein: every the bottom of threaded rod (22) all is equipped with driven bevel gear (24), and the both ends that are located fixed cylinder (2) bottom at pivot (33) all are equipped with drive bevel gear (25), just drive bevel gear (25) cooperation and the driven bevel gear (24) meshing transmission that corresponds.

6. The desk with the function of rapidly adjusting the lifting as claimed in claim 1, wherein: the protection pad (11) is laid on the top surface of the bottom plate (1), and a pair of trapezoidal seats (31) is arranged at two ends of the U-shaped long plate (3).