CN219194346U

CN219194346U - Lifting structure

Info

Publication number: CN219194346U
Application number: CN202320814651.9U
Authority: CN
Inventors: 何广民
Original assignee: Xuzhou Saifei Intelligent Technology Co ltd
Current assignee: Xuzhou Saifei Intelligent Technology Co ltd
Priority date: 2023-04-13
Filing date: 2023-04-13
Publication date: 2023-06-16
Anticipated expiration: 2033-04-13

Abstract

The utility model discloses a lifting structure, which belongs to the technical field of lifting structures and comprises a bottom bar, wherein a slideway is arranged on the bottom bar, the slideway comprises a first slideway and a second slideway, a second driving assembly and a second hinge assembly are arranged in the second slideway, the second driving assembly comprises a limiting seat, a third transmission rod and a fourth transmission rod which are positioned in the second slideway are connected onto the limiting seat in a sliding manner, the third transmission rod and a fixed seat are hinged with the second hinge assembly, a first traction rope is fixedly connected between the third transmission rod and a first transmission rack, and a second traction rope is fixedly connected between the third transmission rod and the first transmission rack. Compared with the prior art, according to the lifting structure, the two brackets can be lifted or lowered simultaneously through the traction rope and the motor, the structure is simple, the use cost is reduced, and the use experience of a user is improved.

Description

Lifting structure

Technical Field

The utility model belongs to the technical field of lifting structures, and particularly relates to a lifting structure.

Background

According to publication No.: CN218661314U discloses a chinese utility model patent: a connecting rod lifting mechanism is characterized in that a driving rod is driven to rotate through a driving motor when the connecting rod lifting mechanism is used, a gear section at the lower part of the driving rod is meshed with transmission racks at two sides, the transmission racks are enabled to move towards two sides in a slideway, the transmission rods are pushed to move, and then the lifting rod hinged with the transmission rods is pushed.

But still have the problem when using, two motors can not be synchronous, and this just causes can not rise simultaneously two brackets or descend simultaneously, influences user's use experience, and two motors are with high costs simultaneously, damage easily, and the user is difficult for maintaining.

Disclosure of Invention

The utility model aims to provide a lifting structure which can lift two brackets simultaneously or lower the two brackets simultaneously through a traction rope and a motor, has a simple structure, reduces the use cost and increases the use experience of users.

In order to achieve the above purpose, the utility model provides a lifting structure, which comprises a bottom bar, wherein a slideway is arranged on the bottom bar, the slideway comprises a first slideway and a second slideway, a first hinge assembly and a first driving assembly are arranged in the first slideway, a bracket is arranged on the first hinge assembly, a first transmission rack and a second transmission rack which are positioned in the first slideway are connected with each other through gears on the first driving assembly, one end of the first transmission rack, which is close to the driving assembly, is fixedly connected with a first transmission rod, one end of the second transmission rack, which is close to the driving assembly, is fixedly connected with a second transmission rod, and the first transmission rod and the second transmission rod are hinged with the first hinge assembly;

a second driving assembly and a second hinge assembly are arranged in the second slideway, the second driving assembly comprises a limiting seat, a third transmission rod and a fourth transmission rod which are positioned in the second slideway are connected to the limiting seat in a sliding manner, and the third transmission rod and the fourth transmission rod are hinged with the second hinge assembly;

a first traction rope is fixedly connected between the third transmission rod and the first transmission rack, a second traction rope is also fixedly connected between the third transmission rod and the first transmission rack, a third traction rope is fixedly connected between the fourth transmission rod and the third transmission rod, the novel traction device comprises a first traction rope, a second traction rope, a third traction rope, a fourth transmission rod and a fourth traction rope, wherein the fourth traction rope is fixedly connected between the fourth transmission rod and the third transmission rod, a group of third pulleys are arranged in the first traction rope, a group of fourth pulleys are arranged in the second traction rope, a first pulley is arranged in the third traction rope, and a second pulley is arranged in the fourth traction rope.

In one or more of the illustrated embodiments, the third and fourth pulleys are located on a side proximate to the bracket.

In one or more embodiments, the first pulley and the second pulley are respectively located at two sides of the limiting seat.

In one or more embodiments, a fixing plate is fixedly connected between the first pulley and the second pulley.

In one or more embodiments, the fixed plate is located above the second slide.

In one or more embodiments, one end of the fourth transmission rod is fixedly connected with a first fixing column, and the other end of the fourth transmission rod is fixedly connected with a second fixing column.

In one or more embodiments, the third transmission rod is fixedly connected with a fixing seat.

In one or more embodiments, a chute matched with the third transmission rod and the fourth transmission rod is arranged in the limit seat.

Compared with the prior art, according to the lifting structure, the two brackets can be lifted or lowered simultaneously through the traction rope and the motor, the structure is simple, the use cost is reduced, and the use experience of a user is improved.

Drawings

Fig. 1 is a schematic diagram of a structure according to an embodiment of the present utility model.

Fig. 2 is a schematic diagram of a second embodiment of the present utility model.

Fig. 3 is a schematic diagram of the structure at a in fig. 1.

Fig. 4 is a schematic diagram of the structure at B in fig. 1.

Fig. 5 is a schematic diagram of a third embodiment of the present utility model.

Fig. 6 is a schematic diagram of the structure at C in fig. 5.

Fig. 7 is a drawing showing the movement of the traction rope when the bracket is lifted according to an embodiment of the present utility model.

Fig. 8 is a drawing showing the movement of the traction rope when the bracket is lowered according to an embodiment of the present utility model.

Fig. 9 is a schematic view of a driving lever pushing hinge assembly according to an embodiment of the present utility model.

The main reference numerals illustrate:

the traction device comprises a first traction rope, a second traction rope, a third traction rope, a fourth traction rope, a 5-first transmission rack, a 6-second transmission rack, a 7-first transmission rod, an 8-second transmission rod, a 9-third transmission rod, a 10-fourth transmission rod, a 11-fixed seat, a 12-first fixed column, a 13-second fixed column, a 14-limiting seat, a 15-first pulley, a 16-second pulley, a 17-fixed plate, a 18-bottom bar, a 19-first slideway, a 20-third pulley, a 21-second slideway and a 22-fourth pulley.

Detailed Description

The following detailed description of embodiments of the utility model is, therefore, to be taken in conjunction with the accompanying drawings, and it is to be understood that the scope of the utility model is not limited to the specific embodiments.

Throughout the specification and claims, unless explicitly stated otherwise, the term "comprise" or variations thereof such as "comprises" or "comprising", etc. will be understood to include the stated element or component without excluding other elements or components.

As shown in fig. 1 to 9, a lifting structure according to an embodiment of the present utility model includes a bottom bar 18, on which a slide way is formed on the bottom bar 18, and the slide way includes a first slide way 19 and a second slide way 21. A first hinge assembly and a first drive assembly are disposed within the first slide 19, with a bracket disposed thereon.

The first driving component is connected with a first transmission rack 5 and a second transmission rack 6 which are positioned in a first slideway 19, and one end of the first transmission rack 5, which is close to the driving component, is fixedly connected with a first transmission rod 7. One end of the second transmission rack 6, which is close to the driving component, is fixedly connected with a second transmission rod 8, and the first transmission rod 7 and the second transmission rod 8 are hinged with the first hinge component.

Specifically, the drive assembly includes the actuating lever that sets up in the slide, and actuating lever top sets up driving motor, and the actuating lever bottom sets up the gear section, and the gear section can mesh with first transmission rack 5 and second transmission rack 6.

That is, when the drive motor is started, the gear section at the lower part of the drive rod is meshed with the transmission racks at the two sides, so that the first transmission rack 5 and the second transmission rack 6 move to the two sides in the first slideway 19. The first transmission rack 5 pushes the first transmission rod 7 to move, the second transmission rack 6 pushes the second transmission rod 8 to move, and then the first hinge assembly hinged with the second transmission rack is pushed, and the bracket is driven to lift by the first hinge assembly. The above technical solutions are described in detail in the comparison document, and the specific structure and working principle thereof are not described herein.

Referring to fig. 4, 5 and 9, a second driving assembly and a second hinge assembly are disposed in the second slide 21, the second driving assembly includes a limiting seat 14, a third transmission rod 9 and a fourth transmission rod 10 disposed in the second slide 21 are slidably connected to the limiting seat 14, and the third transmission rod 9 and the fourth transmission rod 10 are hinged to the second hinge assembly.

A first traction rope 1 is fixedly connected between the third transmission rod 9 and the first transmission rack 5, and a second traction rope 2 is also fixedly connected between the third transmission rod 9 and the first transmission rack 5. A third traction rope 3 is fixedly connected between the fourth transmission rod 10 and the third transmission rod 9, and a fourth traction rope 4 is fixedly connected between the fourth transmission rod 10 and the third transmission rod 9.

A group of third pulleys 20 are arranged in the first traction rope 1, a group of fourth pulleys 22 are arranged in the second traction rope 2, a first pulley 15 is arranged in the third traction rope 3, and a second pulley 16 is arranged in the fourth traction rope 4. The third pulley 20 and the fourth pulley 22 are located on the side close to the bracket. The first pulley 15 and the second pulley 16 are respectively positioned at two sides of the limiting seat 14.

One end of the fourth transmission rod 10 is fixedly connected with a first fixed column 12, and the other end of the fourth transmission rod 10 is fixedly connected with a second fixed column 13. A fixed seat 11 is fixedly connected to the third transmission rod 9. Can carry out better fixed to the haulage rope through fixing base 11, first fixed column 12 and second fixed column 13, be convenient for install and dismantle, the haulage rope is convenient for draw third transfer line 9 and fourth transfer line 10 through fixing base 11, first fixed column 12 and second fixed column 13 simultaneously.

A fixed plate 17 is fixedly connected between the first pulley 15 and the second pulley 16, and the fixed plate 17 is positioned above the second slideway 21. Namely, the third transmission rod 9 and the fourth transmission rod 10 below can be limited by the fixing plate 17. The limiting seat 14 is internally provided with a sliding groove matched with the third transmission rod 9 and the fourth transmission rod 10. The chute can limit the third transmission rod 9 and the fourth transmission rod 10.

In use, referring to fig. 7, when the driving motor is started, the first driving rack 5 moves to the right side, and the second driving rack 6 moves to the left side, so that the first driving rod 7 and the second driving rod 8 are driven to push the first hinge assembly hinged with the first driving rod and the second driving rod to lift the bracket.

When the first transmission rack 5 moves rightwards, the first traction rope 1 can be driven to move rightwards, the first traction rope 1 can drive the third transmission rod 9 to move leftwards by sliding on the third pulley 20, and the third transmission rod 9 pushes the second hinged assembly hinged with the third transmission rod to leftwards to lift the bracket.

When the third transmission rod 9 moves leftwards, the fourth traction rope 4 is driven to move leftwards, the fourth traction rope 4 can pull the fourth transmission rod 10 rightwards by sliding on the second pulley 16, and the fourth transmission rod 10 pushes the second hinge assembly hinged with the fourth transmission rod to the right, so that the bracket is lifted. I.e. the carriage can be lifted simultaneously by the first and second drive assemblies.

When the traction rope is retracted, as shown in fig. 8, the driving motor is reversed, the first driving rack 5 drives the second traction rope 2 and the first driving rod 7 to move leftwards, the second driving rack 6 drives the second driving rod 8 to move rightwards, the second traction rope 2 can pull the third driving rod 9 rightwards by sliding on the fourth pulley 22, and the third driving rod 9 drives the third traction rope 3 to slide on the first pulley 15 when moving rightwards. Thereby causing the third traction rope 3 to pull the fourth transmission rod 10 to the left. I.e. the first transmission rod 7, the second transmission rod 8, the third transmission rod 9 and the fourth transmission rod 10 are reset, and the bracket descends in the resetting process.

The foregoing descriptions of specific exemplary embodiments of the present utility model are presented for purposes of illustration and description. It is not intended to limit the utility model to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain the specific principles of the utility model and its practical application to thereby enable one skilled in the art to make and utilize the utility model in various exemplary embodiments and with various modifications as are suited to the particular use contemplated. It is intended that the scope of the utility model be defined by the claims and their equivalents.

Claims

1. The lifting structure comprises a bottom bar, wherein a slideway is arranged on the bottom bar and comprises a first slideway and a second slideway, a first hinge assembly and a first driving assembly are arranged in the first slideway, a bracket is arranged on the first hinge assembly, a first transmission rack and a second transmission rack which are positioned in the first slideway are connected with the first driving assembly through gears, a first transmission rod is fixedly connected with one end of the first transmission rack, which is close to the driving assembly, a second transmission rod is fixedly connected with one end of the second transmission rack, which is close to the driving assembly, and the first transmission rod and the second transmission rod are hinged with the first hinge assembly;

the device is characterized in that a second driving assembly and a second hinge assembly are arranged in the second slideway, the second driving assembly comprises a limiting seat, a third transmission rod and a fourth transmission rod which are positioned in the second slideway are connected to the limiting seat in a sliding manner, and the third transmission rod and the fourth transmission rod are hinged with the second hinge assembly;

the second driving assembly further comprises a plurality of traction ropes, a first traction rope is fixedly connected between the third driving rod and the first driving rack, a second traction rope is fixedly connected between the third driving rod and the first driving rack, a third traction rope is fixedly connected between the fourth driving rod and the third driving rod, a fourth traction rope is fixedly connected between the fourth driving rod and the third driving rod, a group of third pulleys are arranged in the first traction rope, a group of fourth pulleys are arranged in the second traction rope, a first pulley is arranged in the third traction rope, and a second pulley is arranged in the fourth traction rope.

2. A lifting structure according to claim 1, wherein the third and fourth pulleys are located on a side of the carriage.

3. The lifting structure of claim 1, wherein the first pulley and the second pulley are located on two sides of the limit seat, respectively.

4. A lifting structure according to claim 3, wherein a fixed plate is fixedly connected between the first pulley and the second pulley.

5. The lifting structure of claim 4, wherein the fixed plate is located above the second slide.

6. The lifting structure of claim 1, wherein one end of the fourth transmission rod is fixedly connected with a first fixing column, and the other end of the fourth transmission rod is fixedly connected with a second fixing column.

7. The lifting structure of claim 1, wherein the third transmission rod is fixedly connected with a fixing seat.

8. The lifting structure of claim 1, wherein the limiting seat is provided with a sliding groove matched with the third transmission rod and the fourth transmission rod.