CN219047699U

CN219047699U - Lifting workbench

Info

Publication number: CN219047699U
Application number: CN202223347597.6U
Authority: CN
Inventors: 许洪伟; 陈晶晶
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-05-23
Anticipated expiration: 2032-12-14

Abstract

The lifting workbench comprises a base and a platform, wherein the platform is connected with the base. The left scissor rod mechanism and the right scissor rod mechanism are respectively composed of two groups of scissor rod units. The left scissors rod mechanism is connected with the other lower end of the other side of the right scissors rod mechanism, which is symmetrical in position, through a lower fixing shaft, two ends of the lower sliding shaft are positioned in holes of the guide waist holes, and two ends of the lower sliding shaft can be clamped with notches arranged on the lower edges of the lower guide waist holes. Compared with the device in the background art, the device has higher lifting amplitude, and the device provided by the patent is more labor-saving and safer to use.

Description

Lifting workbench

Technical Field

The present application relates to a mechanical device, and more particularly, to a device capable of converting a working posture of a person by lifting and lowering to make the person work more comfortably.

Background

The sedentary group is a group of people who need to sit for a long time in modern work and life, and sedentary is an unhealthy life habit. This is contrary to the idea of pursuing health and care in modern society. Sedentary and unhealthy sitting postures can cause certain compression to the spine of a human body. Sedentary and unhealthy sitting postures are the main causes of diseases in the spine. Because the human body has a high, short, fat and thin part, the requirements of people with different shapes on the ideal comfort level of the tabletop are different. In addition, even for people suffering from serious lumbar diseases, discomfort brought to lumbar by sedentary sitting is relieved by standing and working.

A lifting table top is provided in the patent document CN207236421U, in which a gas spring assembly is a part that is directly available in the market, and a lot of external force is required to compress and extend the gas spring assembly by hand. The gas spring assembly is commonly used in low-and-medium-end automobile trunk, wherein the trunk of the minibus is more common to use the gas spring assembly. The automobile door can achieve a certain labor-saving effect through the lever action of the automobile door, and the air spring assembly is compressed and stretched through the labor-saving lever of the starting rod in the patent with the document number of CN207236421U to achieve the purpose of labor saving. However, when the gas spring suddenly flicks, the force is very fast and violent, and the crowd or women with small strength cannot control the gas spring assembly to release slowly through the arm strength, so the safety characteristic of the gas spring is not satisfactory, and the lifting range of the scissor rod mechanism formed by the first support rod and the second support rod is limited.

Disclosure of Invention

The utility model provides a lifting workbench, which is designed to have higher lifting amplitude compared with devices in the background art, and the lifting workbench is more labor-saving and safer to use.

The scheme of the patent is as follows: the lifting workbench comprises a base 1 and a platform 2, wherein the platform 2 is connected with the base 1, the lifting workbench further comprises an upper connecting rail I3, an upper connecting rail II 4, a lower connecting rail I5, a lower connecting rail II 6 and a lifting assembly, the upper connecting rail I3, the upper connecting rail II 4 and the platform 2 are fixedly connected, the lower connecting rail I5, the lower connecting rail II 6 and the base 1 are fixedly connected, the lifting assembly comprises a left scissor rod mechanism 7 and a right scissor rod mechanism 8, the left scissor rod mechanism 7 and the right scissor rod mechanism 8 are respectively composed of two groups of scissor rod units, and a left scissor rod movable joint 9 of the left scissor rod mechanism 7 is connected with a right scissor rod movable joint 10 of the right scissor rod mechanism 8 through a connecting column 11; the first lower connecting rail and the second lower connecting rail are respectively provided with a lower guide waist hole 12, the first upper connecting rail and the second upper connecting rail are respectively provided with an upper guide waist hole 13, the lower ends of one side, which is symmetrical to the position of the right scissor lever mechanism 8, of the left scissor lever mechanism 7 are connected with the lower ends of the other side, which is symmetrical to the position of the right scissor lever mechanism 8, of the left scissor lever mechanism 7 are connected with the other lower ends, which are symmetrical to the position of the right scissor lever mechanism 8, of the left scissor lever mechanism 7, through a lower fixed shaft 15, two ends of the lower scissor lever mechanism 14 are positioned in holes of the guide waist holes 12, two ends of the lower scissor shaft 14 can be clamped with notches 18 arranged on the lower edges of the lower guide waist holes 12, and two ends of the lower fixed shaft 15 are respectively movably connected with the first lower connecting rail and the second lower connecting rail 6; the upper end of one side of the left scissor rod mechanism 7, which is symmetrical to the position of the right scissor rod mechanism 8, is connected with the upper end of the other side of the left scissor rod mechanism 7, which is symmetrical to the position of the right scissor rod mechanism 8, is connected with the other upper end of the other side of the left scissor rod mechanism 8, which is symmetrical to the position of the right scissor rod mechanism, through an upper fixing shaft 17, two ends of the upper fixing shaft 17 are respectively and movably connected with the first upper connecting rail No. 3 and the second upper connecting rail No. 4, and two ends of the upper sliding shaft 16 are positioned in the upper guide waist hole 13.

The notch 18 is obliquely arranged, and the upper edge of one side of the notch 18 close to the lower fixed shaft 15 is a smooth edge.

The lifting workbench further comprises a stabilizer bar 19, the stabilizer bar 19 penetrates through the connecting column 11, an anti-falling nut 20 is arranged at one end of the stabilizer bar 19, and a pin 21 is inserted into the other end of the stabilizer bar 19.

At least two of said slits 18.

The utility model has the beneficial effects that: the device has the advantages that the left scissor rod mechanism 7 and the right scissor rod mechanism 8 are respectively composed of two groups of scissor rod units, and compared with the prior art, the lifting amplitude is doubled, so that the device has higher lifting amplitude compared with the device in the prior art. The device has the beneficial effects that the lifting operation is not carried out by adopting the gas spring assembly, but the lower sliding shaft 14 can be naturally clamped with the notch 18 under the self gravity action of the platform, so that the device is more labor-saving and safer to use.

Drawings

Fig. 1 is a schematic perspective view of a lifting workbench according to the utility model.

Fig. 2 is a schematic plan view of the elevating table according to the present utility model.

Description of the embodiments

The marks in fig. 1 and 2: the device comprises a base 1, a platform 2, an upper connecting rail No. 3, an upper connecting rail No. 4, a lower connecting rail No. 5, a lower connecting rail No. 6, a left scissor lever mechanism 7, a right scissor lever mechanism 8, a left scissor lever movable joint 9, a right scissor lever movable joint 10, a connecting column 11, a lower guide waist hole 12, an upper guide waist hole 13, a lower sliding shaft 14, a lower fixed shaft 15, an upper sliding shaft 16, an upper fixed shaft 17, a notch 18, a stabilizer bar 19, an anti-falling nut 20 and a pin 21.

Examples: the lifting workbench comprises a base 1 and a platform 2, wherein the platform 2 is connected with the base 1, the lifting workbench further comprises an upper connecting rail I3, an upper connecting rail II 4, a lower connecting rail I5, a lower connecting rail II 6 and a lifting assembly, the upper connecting rail I3, the upper connecting rail II 4 and the platform 2 are fixedly connected through screws, the lower connecting rail I5, the lower connecting rail II 6 and the base 1 are fixedly connected through screws, the lifting assembly comprises a left scissor rod mechanism 7 and a right scissor rod mechanism 8, each of the left scissor rod mechanism 7 and the right scissor rod mechanism 8 is composed of two groups of scissor rod units, a pair of rod members which are mutually intersected are one group of scissor rod units, and the extending amplitude of each pair of scissor rod units is increased to twice that of each pair of scissor rod units, as shown in fig. 1.

The left scissor lever movable joint 9 of the left scissor lever mechanism 7 is connected with the right scissor lever movable joint 10 of the right scissor lever mechanism 8 through a connecting column 11; the stability of the whole structure of the device is improved, the structure is firmer after the two ends of the connecting column 11 are respectively connected with the left scissor rod movable joint 9 and the right scissor rod movable joint 10 in a threaded manner, and the left scissor rod mechanism 7 and the right scissor rod mechanism 8 can realize left and right synchronous actions after being installed with the base 1, so that the mechanism is more stable.

The first lower connecting rail (5) and the second lower connecting rail (6) are respectively provided with a lower guide waist hole (12), the first upper connecting rail (3) and the second upper connecting rail (4) are respectively provided with an upper guide waist hole (13), and the lower ends of the left scissor lever mechanism (7) and the right scissor lever mechanism (8) on the side with symmetrical positions are connected through a lower sliding shaft (14). This sentence is in other words: both ends of the lower sliding shaft 14 are respectively connected with the lower ends of the symmetrical sides of the left scissor lever mechanism 7 and the right scissor lever mechanism 8. The connection mode is movable connection. The specific structure can be more expressed by the diagram of fig. 1.

The other lower end of the other side of the left scissor lever mechanism 7, which is symmetrical to the position of the right scissor lever mechanism 8, is connected with the other lower end of the other side of the left scissor lever mechanism 8 through a lower fixing shaft 15, two ends of the lower sliding shaft 14 are positioned in holes of the guide waist hole 12, and two ends of the lower sliding shaft 14 can slide along the guide waist hole 12 so as to achieve the purpose of adapting to lifting of the device.

Two ends of the lower sliding shaft 14 can be clamped with the notches 18 arranged on the lower edge of the lower guide waist hole 12, four notches 18 are adopted to achieve the purpose of adjusting the platform 2 to be different in height, and when the notches far away from the lower fixing shaft 15 are used for clamping, the height of the platform 2 is lower. Otherwise, when the notch closer to the lower fixing shaft 15 is selected for clamping, the height of the platform 2 is higher.

Two ends of the lower fixed shaft 15 are respectively and movably connected with the first lower connecting rail 5 and the second lower connecting rail 6 in a shaft connection mode; the upper end of one side of the left scissor rod mechanism 7, which is symmetrical to the position of the right scissor rod mechanism 8, is movably connected with the upper end of the other side of the left scissor rod mechanism 7, which is symmetrical to the position of the right scissor rod mechanism 8, is movably connected with the other upper end of the other side of the left scissor rod mechanism 8, which is symmetrical to the position of the right scissor rod mechanism, through an upper fixing shaft 17, two ends of the upper fixing shaft 17 are respectively movably connected with the first upper connecting rail No. 3 and the second upper connecting rail No. 4, and two ends of the upper sliding shaft 16 are positioned in the upper guide waist hole 13. The above structure is described with reference to fig. 1.

As shown in fig. 2, the present schematic diagram shows the structure of the notch. The notch 18 is obliquely arranged, and the upper edge of one side of the notch 18 close to the lower fixed shaft 15 is a smooth edge. By means of the structure, the lower sliding shaft 14 can be clamped with the notch 18 under the action of self gravity of the platform, when the lower sliding shaft 14 is clamped with the notch 18 after being adjusted to a certain height, the notch 18 is obliquely arranged, the lower sliding shaft 14 can be better prevented from extending outwards, the platform 2 can be indirectly prevented from continuing to move downwards, the platform 2 is fixed at a certain height, when the platform 2 is lifted upwards, the lower sliding shaft 14 can slide along the smooth edge of the notch 18 shown in fig. 2, and the lower sliding shaft 14 can move towards the other notch close to the lower fixing shaft 15 to be clamped finally, so that the purpose of lifting the platform 2 is achieved.

The lifting workbench further comprises a stabilizer bar 19, the stabilizer bar 19 penetrates through the connecting column 11, an anti-falling nut 20 is arranged at one end of the stabilizer bar 19, and a pin 21 is inserted into the other end of the stabilizer bar 19. The stabilizer bar 19 makes the device not easy to twist and has higher structural stability.

At least two of said slits 18. In this embodiment, four notches 18 are adopted, and two notches are adopted to have two-gear height adjusting functions, and four notches adopted in this embodiment have four-gear height adjusting functions.

Claims

1. The lifting workbench is characterized by further comprising an upper first connecting rail (3), an upper second connecting rail (4), a lower first connecting rail (5), a lower second connecting rail (6) and a lifting assembly, wherein the upper first connecting rail (3), the upper second connecting rail (4) and the platform (2) are fixedly connected, the lower first connecting rail (5), the lower second connecting rail (6) and the base (1) are fixedly connected, the lifting assembly comprises a left scissor lever mechanism (7) and a right scissor lever mechanism (8), the left scissor lever mechanism (7) and the right scissor lever mechanism (8) are respectively composed of two groups of scissor lever units, and a left scissor lever movable joint (9) of the left scissor lever mechanism (7) is connected with a right scissor lever movable joint (10) of the right scissor lever mechanism (8) through a connecting column (11); the lower connecting rail I (5) and the lower connecting rail II (6) are respectively provided with a lower guide waist hole (12), the upper connecting rail I (3) and the upper connecting rail II (4) are respectively provided with an upper guide waist hole (13), the lower ends of one side, which is symmetrical in position, of the left scissor rod mechanism (7) and the right scissor rod mechanism (8) are connected through a lower sliding shaft (14), the other lower ends, which is symmetrical in position, of the left scissor rod mechanism (7) and the right scissor rod mechanism (8) are connected through a lower fixing shaft (15), two ends of the lower sliding shaft (14) are positioned in holes of the guide waist holes (12), two ends of the lower sliding shaft (14) can be clamped with notches (18) arranged on the lower edges of the lower guide waist holes (12), and two ends of the lower fixing shaft (15) are respectively and movably connected with the lower rail I (5) and the lower connecting rail II (6); the left scissors rod mechanism (7) and the upper end of one side of the right scissors rod mechanism (8) which is symmetrical in position are connected through an upper sliding shaft (16), the left scissors rod mechanism (7) and the other upper end of the other side of the right scissors rod mechanism (8) which is symmetrical in position are connected through an upper fixing shaft (17), two ends of the upper fixing shaft (17) are respectively and movably connected with the first upper connecting rail (3) and the second upper connecting rail (4), and two ends of the upper sliding shaft (16) are positioned in the upper guide waist hole (13).

2. A lifting workbench according to claim 1, wherein the notch (18) is obliquely arranged, and the upper edge of the side of the notch (18) close to the lower fixing shaft (15) is a smooth edge.

3. Lifting table according to claim 1, characterized in that it further comprises a stabilizer bar (19), said stabilizer bar (19) penetrating through said connecting column (11), one end of said stabilizer bar (19) being provided with an anti-drop nut (20), the other end of said stabilizer bar (19) being inserted with a pin (21).

4. A lifting table according to claim 1, characterized in that at least two of said slits (18) are provided.