CN112499514A

CN112499514A - Height lifting device

Info

Publication number: CN112499514A
Application number: CN202011401208.6A
Authority: CN
Inventors: 邢金秋; 温宇标; 都吉良; 黄日新; 陈勇; 杨国波; 曾惠聪
Original assignee: Guangzhou Yikang Medical Equipment Industrial Co ltd
Current assignee: Guangzhou Yikang Medical Equipment Industrial Co ltd
Priority date: 2020-12-04
Filing date: 2020-12-04
Publication date: 2021-03-16

Abstract

The invention discloses a height lifting device, which comprises a base part, a push rod part, a lifting cylinder and a clamping part, wherein the bottom end of the push rod part is rotatably connected to the base part, the lifting cylinder is rotatably connected to the pushing end of the push rod part, the height of the lifting cylinder is adjusted by extending or shortening the push rod part, the clamping part is connected to the base part, the lifting cylinder is slidably connected into the clamping part, the purpose of adjusting the height of the lifting cylinder is achieved by controlling the extension or shortening of the push rod part, the lifting cylinder is slidably connected into the clamping part, and the stable structure can be ensured under the condition of meeting loads or large dynamic loads.

Description

Height lifting device

Technical Field

The invention relates to the technical field of lifting devices, in particular to a height lifting device.

Background

The general height lifting device is carried out by combining a guide system and a power system, wherein the guide system is a slide rail, a linear bearing and the like, and the power system is a motor, a linear push rod and the like. The braking of the lifting device in this way is generally a dynamic system load, and the height is fixed by controlling a motor or a linear push rod without being restricted by other mechanical mechanisms. In this case, if a large load or a large load is encountered, shaking is easily generated due to a problem of accuracy of the machine itself.

Disclosure of Invention

The present invention is directed to at least one of the problems of the prior art, and provides a height adjustment device.

According to an embodiment of the first aspect of the present invention, there is provided a height lifting device, comprising a base member, a push rod member, a lifting cylinder and a clamping member, wherein the bottom end of the push rod member is rotatably connected to the base member, the lifting cylinder is rotatably connected to the pushing end of the push rod member, the height of the lifting cylinder is adjusted by extending or shortening the push rod member, the clamping member is connected to the base member, and the lifting cylinder is slidably connected in the clamping member.

Has the advantages that: this high elevating gear, including the base part, the push rod part, lift drum and clamping part, push rod part bottom rotatable coupling is on the base part, the lift drum rotates the top push end of connecting at the push rod part, through extension or shortening the push rod part, thereby adjust lift drum height, clamping part connects on the base part, lift drum sliding connection is in clamping part, through control push rod part extension or shorten, reach lift drum height-adjustable's purpose, and with lift drum sliding connection in clamping part, under the condition that meets load or big dynamic load, can guarantee stable in structure.

According to the height lifting device provided by the embodiment of the first aspect of the invention, the clamping component comprises a clamping seat assembly and a handle assembly, the clamping seat assembly is fixed on the base component, the clamping seat assembly comprises a cylindrical sleeve, a groove and a flange, the lifting cylinder is connected in the sleeve in a sliding mode, the groove is arranged on the surface of the sleeve and is arranged along the axial direction of the sleeve, the flange is symmetrically arranged on two sides of the groove, the handle assembly is arranged on two sides of the groove, and the handle assembly is used for adjusting the width of the groove.

According to the height lifting device in the embodiment of the first aspect of the present invention, the clamping base assembly further includes a reset piece, the reset piece is disposed between the two flanges, and the reset piece is fixed by a jackscrew.

According to the height lifting device in the embodiment of the first aspect of the present invention, the restoring member is a spring.

According to the height lifting device of the embodiment of the first aspect of the present invention, the clamping member further includes two reinforcing plates and a bolt assembly, and the two reinforcing plates are disposed on the side edges of the two flanges.

According to the height lifting device provided by the embodiment of the first aspect of the invention, the handle assembly comprises a handle seat, a handle and a bolt assembly, the handle seat is fixed on two sides of the reinforcing plate through the bolt assembly, and the handle is rotatably installed in the handle seat through the first shaft.

According to the height lifting device of the embodiment of the first aspect of the invention, the handle assembly further comprises an eccentric wheel and a bushing, the eccentric wheel is mounted on the handle through a second shaft, and the bushing is rotatably mounted on the eccentric wheel.

According to the height lifting device of the embodiment of the first aspect of the present invention, the bolt assembly includes a bolt and a nut, and both ends of the bolt pass through the handle base and the reinforcing plate and are fixed by the nut.

According to the height lifting device provided by the embodiment of the first aspect of the invention, the push rod component comprises a push rod, a control box and a lifting button, the control box controls the push rod to extend or contract, the lifting button is electrically connected with the control box, and the lifting button is arranged on the base component.

According to the height lifting device of the embodiment of the first aspect of the invention, the push rod component further comprises a travel switch, the travel switch controls the connection of the push rod and the control box, and the travel switch is installed at the bottom side of the groove of the sleeve.

Drawings

The invention is further described below with reference to the accompanying drawings and examples;

FIG. 1 is a schematic structural diagram of a height adjustment device according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a clamping member according to an embodiment of the present invention.

Detailed Description

Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1 and 2, a height elevating device includes: the lifting cylinder 300 is rotatably connected to the base part 100, the lifting cylinder 300 is rotatably connected to the pushing end of the pushing rod part 200, the height of the lifting cylinder 300 is adjusted by extending or shortening the pushing rod part 200, the clamping part 400 is connected to the base part 100, and the lifting cylinder 300 is slidably connected in the clamping part 400.

Referring to fig. 1 and 2, the clamping member 400 includes a clamping seat assembly 410 and a handle assembly 420, the clamping seat assembly 410 is fixed on the base member 100, the clamping seat assembly 410 includes a cylindrical sleeve 411, a groove 412 and a flange 413, the lifting cylinder 300 is slidably connected in the sleeve 411, the groove 412 is arranged on the surface of the sleeve 411 and is arranged along the axial direction of the sleeve 411, the flange 413 is symmetrically arranged on two sides of the groove 412, the handle assembly 420 is arranged on two sides of the groove 412, and the handle assembly 420 is used for adjusting the width of the groove 412.

Referring to fig. 2, it can be understood that the clamping seat assembly 410 includes a sleeve 411, a groove 412, flanges 413 and a restoring member 414, the restoring member 414 is disposed between the two flanges 413, and the restoring member 414 is fixed by a jackscrew 415. Further, the reset 414 is a spring. The spring may return the groove 412 when the handle assembly 420 is in the down position.

Referring to fig. 2, the clamping member 400 further includes two reinforcing plates 430 and a bolt assembly 440, the two reinforcing plates 430 being disposed at the sides of the two flanges 413. The handle assembly 420 includes a handle holder 421, a handle 422, and a bolt assembly 440, the handle holder 421 is fixed at both sides of the reinforcement plate 430 by the bolt assembly 440, and the handle 422 is rotatably installed in the handle holder 421 by a first shaft 423. The bolt assembly 440 includes a bolt and a nut, both ends of the bolt pass through the handle holder 421 and the reinforcing plate 430 and are fixed by the nut, and the strength when the handle 422 is loosened and locked can be adjusted by adjusting the bolt and the nut. Wherein the handle assembly 420 comprises a handle base 421, a handle 422, a bolt assembly 440, an eccentric 424, and a bushing 425, the eccentric 424 is mounted to the handle 422 via a second shaft 426, and the bushing 425 is rotatably mounted to the eccentric 424. The width of the groove 412 can be controlled by adjusting the angle of the handle 422 and, by virtue of the eccentric 424 within the handle 422. When the handle 422 is in a horizontal state, the width of the groove 412 is large, at this time, a gap is formed between the sleeve 411 of the clamping component 400 and the lifting cylinder 300, the lifting cylinder 300 can be lifted, and when the handle 422 is in a downward state, the width of the groove 412 is small, the sleeve 411 tightly embraces the lifting cylinder 300, so that the lifting cylinder 300 is fixed on the base.

In some embodiments, the push rod assembly 200 includes a push rod 210, a control box that controls the push rod 210 to extend or contract, a lift button 220 electrically connected to the control box, and a travel switch 230, the lift button 220 being disposed on the base assembly 100. The push rod 210 and the control box are electrically connected through a connecting wire, the travel switch 230 controls the connection of the push rod 210 and the control box, and the travel switch 230 is installed at the bottom side of the groove 412 of the sleeve 411. The travel switch 230 intervenes in the connection line, and the travel switch 230 may control the connection between the push rod 210 and the control box. The control box and the up-down button 220 are electrically connected. The up-down button 220 sends a command to the control box through a wire, and the control box controls the extension or contraction of the push rod 210.

When the handle 421 is released or locked, the on or off of the travel switch 230 can be controlled. When the handle 421 is in the horizontal loosening state, the width of the groove 412 is increased, the travel switch 230 is closed, the power is supplied between the push rod 210 and the control box, the lifting button 220 can work, when the handle 421 is in the downward locking state, the width of the groove 412 is decreased, the travel switch 230 is opened, the power is supplied between the push rod 210 and the control box, the lifting button 220 cannot work, through the design, the push rod 210 can be protected, and the damage of the push rod 210 caused by the operation of the push rod 210 during locking can be avoided.

Through the height lifting device, the lifting cylinder 300 can be fixed on the base part 100, the travel switch 230 is arranged to protect the push rod 210, the damage of the push rod 210 caused by misoperation is avoided, and the stable structure can be ensured under the condition of meeting a large load or a large dynamic load.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. A height elevating device, comprising:

a base member;

the bottom end of the push rod component is rotatably connected to the base component;

the lifting cylinder is rotatably connected to the pushing end of the push rod component, and the height of the lifting cylinder is adjusted by extending or shortening the push rod component; and

a clamping member connected to the base member, the lifting cylinder being slidably connected within the clamping member.

2. The height elevating device according to claim 1, wherein: the clamping part comprises a clamping seat assembly and a handle assembly, the clamping seat assembly is fixed on the base part and comprises a sleeve, a groove and a flange, the sleeve is cylindrical, the lifting cylinder is connected into the sleeve in a sliding mode, the groove is formed in the surface of the sleeve and is arranged along the axial direction of the sleeve, the flange is symmetrically arranged on two sides of the groove, the handle assembly is arranged on two sides of the groove, and the handle assembly is used for adjusting the width of the groove.

3. The height elevating device according to claim 2, wherein: the clamping seat assembly further comprises a resetting piece, wherein the resetting piece is arranged between the two flanges and is fixed through a jackscrew.

4. The height elevating device according to claim 3, wherein: the reset piece is a spring.

5. The height elevating device according to claim 3, wherein: the clamping component further comprises two reinforcing plates and a bolt assembly, and the two reinforcing plates are arranged on the side edges of the two flanges.

6. The height elevating device according to claim 5, wherein: the handle assembly comprises a handle seat and a handle, the handle seat is fixed on two sides of the reinforcing plate through a bolt assembly, and the handle is rotatably installed in the handle seat through a first shaft.

7. The height elevating device according to claim 6, wherein: the handle assembly further comprises an eccentric mounted to the handle via a second shaft and a bushing rotatably mounted to the eccentric.

8. The height elevating device according to claim 6, wherein: the bolt assembly comprises a bolt and a nut, and two ends of the bolt penetrate through the handle seat and the reinforcing plate and are fixed through the nut.

9. The height elevating device according to claim 2, wherein: the push rod part comprises a push rod, a control box and a lifting button, the control box controls the push rod to extend or shorten, the lifting button is electrically connected with the control box, and the lifting button is arranged on the base part.

10. The height elevating device according to claim 9, wherein: the push rod component further comprises a travel switch, the travel switch controls the connection of the push rod and the control box, and the travel switch is installed on the bottom side of the groove of the sleeve.