CN214759708U

CN214759708U - Lifting structure and desk

Info

Publication number: CN214759708U
Application number: CN202120220526.6U
Authority: CN
Inventors: 梅名报
Original assignee: Jiangxi Mingbao Shihao Wood Industry Co ltd
Current assignee: Jiangxi Mingbao Shihao Wood Industry Co ltd
Priority date: 2021-01-27
Filing date: 2021-01-27
Publication date: 2021-11-19
Anticipated expiration: 2031-01-27

Abstract

The application discloses elevation structure and desk, this elevation structure, comprising a supporting plate, guiding axle and uide bushing, the guiding axle is installed in the central upper portion of backup pad, the uide bushing slip cap is established in the outside of guiding axle, two flanges are installed to the upper portion symmetry of backup pad, two flanges all set up in the outside of guiding axle, branch is installed to the lateral part symmetry of uide bushing, the lateral part of two branches is all rotated and is installed the gyro wheel, the lower wall of two gyro wheels is contradicted with the upper wall of two flanges respectively, the support ring is installed to the lateral part of uide bushing, the support ring is in the upside of branch, two connecting rods are installed to the lateral part symmetry of support ring, the stay cord is all installed to the tip of two connecting rods, the spring is installed to the lower part of a connecting rod, the other end of spring links to each other end with the upper portion of backup pad, the layer board is installed in the upper portion outside of guiding axle. This scheme, simple realization goes up and down, is convenient for operate and is practical.

Description

Lifting structure and desk

Technical Field

The application relates to the technical field of tables, in particular to a lifting structure and a table.

Background

The table is common furniture, and the manufacturing raw materials are mostly wood. The upper part is provided with a plane and the lower part is provided with a pillar. Can be used for putting things, doing things, eating, writing, working and the like. Is furniture that is held by smooth plates, legs, and other supports. In order to make the practicality of desk stronger, current desk generally improves on original desk to make the desktop collapsible (mostly used to the dining table, can satisfy a plurality of people and use, and the storage after convenient to use), or the partly that the desktop center department can rise (mostly used to the dining table, be convenient for raise the meal of desktop center department, be convenient for more press from both sides the dish), in order to satisfy the demand of in-service use.

However, the existing lifting is generally carried out in a push-pull mode, and a supporting part (supporting block) is placed below the lifting part for supporting, so that the lifting is further carried out, and the operation is inconvenient and the use is not facilitated.

SUMMERY OF THE UTILITY MODEL

The present application mainly aims to provide a lifting structure and a table, so as to solve the problem that the table is inconvenient to lift and use in the related art.

In a first aspect, the application provides a lifting structure, which comprises a support plate, a guide shaft and a guide sleeve, wherein the guide shaft is arranged on the upper part of the center of the support plate, the guide sleeve is slidably sleeved on the outer side of the guide shaft, two convex plates are symmetrically arranged on the upper part of the support plate, the two convex plates are arranged on the outer side of the guide shaft, supporting rods are symmetrically arranged on the lateral parts of the guide sleeve, the lateral parts of the two supporting rods are rotatably provided with idler wheels, the lower walls of the two idler wheels are respectively butted with the upper walls of the two convex plates, a supporting ring is arranged on the lateral part of the guide sleeve, the supporting ring is positioned on the upper side of the supporting rod, two connecting rods are symmetrically arranged on the lateral parts of the supporting ring, the end parts of the two connecting rods are respectively provided with a pull rope, the lower part of one connecting rod is provided with a spring, and the other end of the spring is connected with the upper part of the support plate, and a supporting plate is arranged on the outer side of the upper part of the guide shaft.

In an embodiment of the application, the section of backup pad is the rectangle setting, first bolt hole has been seted up to the corner of backup pad.

In an embodiment of the application, the outer wall of the guide shaft is smooth, and the inner wall of the guide sleeve is smooth.

In an embodiment of the application, the cross section of the convex plate is in an arc shape, and the two convex plates are arranged in a central symmetry manner relative to the center of the guide shaft.

In an embodiment of the present application, a cross section of the connecting rod is disposed in a V shape, and a through hole matched with the spring is formed in a side portion of the connecting rod.

In an embodiment of the application, the section of layer board is the rectangle setting, the second bolt hole has been seted up to the corner of layer board.

In a second aspect, the application provides a desk in addition, including foretell elevation structure, table leg, first table and second table, first table install in the upper portion of table leg, the through-hole has been seted up at the middle part of first table, install the crossbeam between the table leg, the backup pad install in the upper portion of crossbeam, the second table install in the upper portion of layer board, the second table is in the inboard of through-hole.

In one embodiment of the present application, the table further includes a motor mounted to a lower portion of the first table, and a driving shaft mounted to an output end of the motor, and an end of one of the pulling ropes is wound around an outer wall of the driving shaft.

In one embodiment of the present application, the motor is configured as a counter-rotating motor.

Compared with the prior art, the beneficial effects of this application are: through the elevation structure of above-mentioned design, during the use, through the pulling stay cord, the stay cord removes and drives the connecting rod removal, and then make the uide bushing rotate round the guiding axle, the rotation of guiding axle drives branch and gyro wheel and rotates, the gyro wheel rotates at the upper wall of flange, at the pivoted in-process, because gyro wheel and flange are contradicted, and then make the height of gyro wheel go up and down along with the upper wall profile of flange, and then realize the lift of uide bushing, the lift of uide bushing drives the layer board and goes up and down, the mode of having avoided current direct push-and-pull realizes going up and down, the operation is simple, and is practical and convenient.

Drawings

Fig. 1 is a schematic structural diagram of a lifting structure provided in an embodiment of the present application;

FIG. 2 is a schematic structural view of a portion of a connecting rod of a lifting structure provided in accordance with an embodiment of the present application;

fig. 3 is a schematic structural diagram of a table according to an embodiment of the application.

In the figure: 1. a support plate; 2. a guide shaft; 3. a guide sleeve; 4. a convex plate; 5. a strut; 6. a roller; 7. a support ring; 8. a connecting rod; 9. pulling a rope; 10. a spring; 11. a support plate; 12. a first bolt hole; 13. a through hole; 14. a second bolt hole; 15. desk legs; 16. a first table; 17. a second table; 18. a through hole; 19. a cross beam; 20. a motor; 21. a drive shaft.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

In addition, the term "plurality" shall mean two as well as more than two.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Example 1

Referring to fig. 1-2, the present application provides a lifting structure, which includes a supporting plate 1, a guiding shaft 2 and a guiding sleeve 3, wherein the guiding shaft 2 is installed at the upper central portion of the supporting plate 1, the guiding sleeve 3 is slidably sleeved at the outer side of the guiding shaft 2, two convex plates 4 are symmetrically installed at the upper portion of the supporting plate 1, the two convex plates 4 are both installed at the outer side of the guiding shaft 2, supporting rods 5 are symmetrically installed at the lateral portions of the guiding sleeve 3, rollers 6 are rotatably installed at the lateral portions of the two supporting rods 5, lower walls of the two rollers 6 respectively abut against the upper walls of the two convex plates 4, a supporting ring 7 is installed at the lateral portion of the guiding sleeve 3, the supporting ring 7 is located at the upper side of the supporting rods 5, two connecting rods 8 are symmetrically installed at the lateral portions of the supporting ring 7, a pulling rope 9 is installed at the end portions of the two connecting rods 8, a spring 10 is installed at the lower portion of one connecting rod 8, and the other end portion of the spring 10 is connected with the upper portion of the supporting plate 1, a pallet 11 is mounted on the outer side of the upper part of the guide shaft 2.

In order to facilitate the installation of the support plate 1, the section of the support plate 1 is rectangular, and a first bolt hole 12 is formed at the corner of the support plate 1.

In order to facilitate the rotation and the sliding of the guide sleeve 3 along the guide shaft 2, the outer wall of the guide shaft 2 is a smooth surface, and the inner wall of the guide sleeve 3 is a smooth surface.

In order to facilitate lifting, the cross section of the convex plate 4 is arc-shaped, a structure similar to a cam is formed, the roller 6 can be lifted along the convex plate 4 better, and the two convex plates 4 are arranged in central symmetry relative to the center of the guide shaft 2.

In order to facilitate the installation of the spring 10, the cross section of the connecting rod 8 is arranged in a V shape, and a through hole 13 matched with the spring 10 is formed in the side part of the connecting rod 8.

In order to facilitate connection with the external raised part, the section of the supporting plate 11 is rectangular, and a second bolt hole 14 is formed at a corner of the supporting plate 11.

Referring to fig. 3, in a second aspect, the present application further provides a table, which includes the above-mentioned lifting structure, table legs 15, a first table 16 and a second table 17, a through hole 18 is formed in a middle portion of the first table 16, a cross beam 19 is installed between the table legs 15, the supporting plate 1 is installed on an upper portion of the cross beam 19, the second table 17 is installed on an upper portion of the supporting plate 11, and the second table 17 is located inside the through hole 18.

In order to further reduce the labor capacity of manpower, the desk further comprises a motor 20 and a driving shaft 21, wherein the motor 20 is installed at the lower part of the first desk plate 16, the driving shaft 21 is installed at the output end of the motor 20, the end part of one pull rope 9 is wound on the outer wall of the driving shaft 21, when the desk is used specifically, the driving shaft 21 is driven to rotate through the operation of the motor 20, then the pull rope 9 is driven to move, the direct manual direct pulling of the pull rope is avoided, and the motor 20 is set to be a forward and reverse rotating motor in order to facilitate resetting.

Specifically, the working principle of the lifting structure is as follows: during the use, through pulling stay cord 9, stay cord 9 removes and drives connecting rod 8 and remove, and then make uide bushing 3 rotate round uide bushing 2, the rotation of uide bushing 2 drives branch 5 and gyro wheel 6 and rotates, gyro wheel 6 rotates at the upper wall of flange 4, at the pivoted in-process, because gyro wheel 6 contradicts with flange 4, and then make gyro wheel 6 highly go up and down along with the upper wall profile of flange 4, and then realize the lift of uide bushing 3, and hold power to spring 10, the lift of uide bushing 3 drives layer board 11 and goes up and down, the mode of having avoided current direct push-and-pull realizes going up and down, moreover, the steam generator is simple in operation, and is practical convenient, and after loosening stay cord 9, the spring 10 who holds power resets, and then realize descending.

It should be noted that: the model specification of the motor 20 needs to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art in the field, so detailed description is omitted.

The power supply of the motor 20 and its principle will be clear to a person skilled in the art and will not be described in detail here.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The utility model provides a lifting structure, includes backup pad (1), guiding axle (2) and uide bushing (3), its characterized in that, guiding axle (2) install in the central upper portion of backup pad (1), uide bushing (3) slip cover is established the outside of guiding axle (2), two flange (4) are installed to the upper portion symmetry of backup pad (1), two flange (4) all set up in the outside of guiding axle (2), branch (5) are installed to the lateral part symmetry of uide bushing (3), two gyro wheel (6) are installed all to the lateral part of branch (5) rotation, two the lower wall of gyro wheel (6) contradicts with two the upper wall of flange (4) respectively, support ring (7) are installed to the lateral part of uide bushing (3), support ring (7) are in the upside of branch (5), two connecting rods (8) are installed to the lateral part symmetry of support ring (7), stay cords (9) are all installed to the tip of two connecting rod (8), one spring (10) are installed to the lower part of connecting rod (8), the other end of spring (10) with the upper portion of backup pad (1) links to each other, layer board (11) are installed to the upper portion outside of guiding axle (2).

2. A lifting structure as claimed in claim 1, characterized in that the cross-section of the supporting plate (1) is rectangular, and the corners of the supporting plate (1) are provided with first bolt holes (12).

3. A hoisting structure as claimed in claim 1, characterized in that the outer wall of the guide shaft (2) is smooth and the inner wall of the guide sleeve (3) is smooth.

4. A hoisting structure as claimed in claim 1, characterized in that the cross-section of the flanges (4) is curved, and that the two flanges (4) are arranged centrally symmetrically with respect to the centre of the guide shaft (2).

5. A lifting structure according to claim 1, characterized in that the cross-section of the connecting rod (8) is arranged in a V-shape, and the side of the connecting rod (8) is provided with a through hole (13) cooperating with the spring (10).

6. The lifting structure according to claim 1, characterized in that the cross section of the supporting plate (11) is rectangular, and the corners of the supporting plate (11) are provided with second bolt holes (14).

7. A table comprising the lifting structure, the table legs (15), the first table plate (16) and the second table plate (17) as claimed in any one of claims 1 to 6, wherein the first table plate (16) is mounted on the upper portions of the table legs (15), a through hole (18) is formed in the middle of the first table plate (16), a cross beam (19) is mounted between the table legs (15), the supporting plate (1) is mounted on the upper portion of the cross beam (19), the second table plate (17) is mounted on the upper portion of the supporting plate (11), and the second table plate (17) is located inside the through hole (18).

8. A desk according to claim 7 further comprising a motor (20) and a drive shaft (21), wherein the motor (20) is mounted to the lower portion of the first desk plate (16), the drive shaft (21) is mounted to the output end of the motor (20), and the end of one of the drawstrings (9) is wrapped around the outer wall of the drive shaft (21).

9. A table as claimed in claim 8, wherein the motor (20) is arranged as a counter-rotating motor.