CN217056119U

CN217056119U - Medical equipment air spring

Info

Publication number: CN217056119U
Application number: CN202220996036.XU
Authority: CN
Inventors: 杨帆; 唐大伟; 纪晓军
Original assignee: Qingdao Hightop Biotech Co ltd
Current assignee: Qingdao Hightop Biotech Co ltd
Priority date: 2022-04-27
Filing date: 2022-04-27
Publication date: 2022-07-26
Anticipated expiration: 2032-04-27

Abstract

The utility model discloses a medical equipment air spring relates to spring technical field. The utility model comprises a cylinder barrel and a piston rod, wherein the piston rod is arranged on the inner surface of the cylinder barrel, the inner surface of the piston rod is provided with a sliding groove, the inner surface of the sliding groove is provided with a mandril, the outer surface of the piston rod is provided with a piston, the outer surface of the piston is provided with a fixed frame, the inner surface of the fixed frame is provided with a mounting groove, the inner surface of the mounting groove is provided with a gasket, and the outer surface of the piston is provided with a connecting block, then the outer surface of the fixed block is connected with the outer surface of the ejector rod so as to drive the ejector rod to move, then, the piston body is driven to move by utilizing the connection between the outer surface of the ejector rod and the inner surface of the connecting groove arranged on the inner surface of the piston body, therefore, inert gas or oil-gas mixture in the cylinder barrel flows through the air guide groove, so that the height is adjusted, and the use is convenient.

Description

Medical equipment air spring

Technical Field

The utility model belongs to the technical field of the spring, especially, relate to a medical equipment air spring.

Background

The gas spring is an industrial accessory which can play a role in supporting, buffering, braking, height adjustment, angle adjustment and the like. It is composed of the following parts: the device comprises a pressure cylinder, a piston rod, a piston, a sealing guide sleeve, filler (inert gas or oil-gas mixture), an in-cylinder control element, an out-cylinder control element (a controllable gas spring), a joint and the like. Because the piston occupies the volume in the cylinder, the piston rod is moved by the pressure difference generated by the cross-sectional area of the piston rod being smaller than that of the piston. However, in the currently disclosed gas spring, the rear plug is welded at the rear part of the cylinder barrel, then the gas and the oil-gas mixture with a certain pressure are filled into the cylinder barrel, once the gas and the oil-gas mixture are filled into the cylinder barrel, the gas spring has a certain pressure, and a damping hole is usually arranged on the piston, so that the operation speed of the gas spring is controlled by the size of the damping hole, and once the size of the damping hole on the piston is determined, the movement speed of the gas spring is determined accordingly.

However, when the gas spring is installed on a required device, the speed of the gas spring cannot be adjusted, so that the optimal use efficiency cannot be achieved, and the gas spring is inconvenient; moreover, when the air spring is used, the height of the air spring cannot be adjusted and fixed, and the requirement cannot be met.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a medical equipment air spring solves current problem.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a medical equipment air spring, which comprises a cylinder barrel and a piston rod, wherein the piston rod is arranged on the inner surface of the cylinder barrel, the inner surface of the piston rod is provided with a sliding groove, the inner surface of the sliding groove is provided with a mandril, the outer surface of the piston rod is provided with a piston, the outer surface of the piston is provided with a fixed frame, the inner surface of the fixed frame is provided with a mounting groove, the inner surface of the mounting groove is provided with a gasket, the outer surface of the piston is provided with a connecting block, the inner surface of the connecting block is provided with a piston body, the inner surface of the piston body is provided with a connecting groove, the outer surface of the mandril is connected with the inner surface of the connecting groove, the inner surface of the piston body is provided with a wind guide groove, the mandril is arranged in the sliding groove arranged in the inner part of the piston rod, and then, through the installation of the fixed support, a handle arranged on the outer surface of the sliding sleeve and a fixed block arranged on the outer surface of the handle are utilized, utilize being connected in fixed block surface and the ejector pin surface to drive the ejector pin and remove, then, utilize being connected between the spread groove internal surface that ejector pin surface and piston body internal surface set up, drive the piston body and remove, thereby make inside inert gas of its cylinder or oil-gas mixture flow through the wind-guiding groove, thereby carry out the regulation of height, thereby conveniently use.

Preferably, piston body surface mounting has the installation frame, installation frame internally surface mounting has sealed the pad, the cylinder barrel internal surface is provided with the standing groove, standing groove internally surface mounting has the dust ring.

Preferably, piston rod surface mounting has a fixed bolster, fixed bolster internal surface mounting has the installation axle, install external surface mounting of axle has sliding sleeve, sliding sleeve external surface mounting has the handle, handle external surface mounting has the fixed block, the fixed block surface is connected with ejector pin surface.

Preferably, the outer surface of the fixing support is provided with a fixing frame, and the outer surface of the cylinder barrel is provided with a connecting frame.

The utility model discloses following beneficial effect has:

the utility model discloses an install the ejector pin in the inside sliding tray that sets up of piston rod, then, through the installation of fixed bolster internal installation axle and sliding sleeve, utilize sliding sleeve surface mounting's handle and handle surface mounting's fixed block, utilize being connected in fixed block surface and the ejector pin surface, thereby drive the ejector pin and remove, then, utilize being connected between the outer surface of ejector pin and the spread groove internal surface that the piston body internal surface set up, drive the piston body and remove, thereby make the inert gas or the oil-gas mixture inside its cylinder flow through the wind-guiding groove, thereby carry out height control, thereby conveniently use; simultaneously, thereby the size of the gap between the piston body and the wind guide groove is ensured to the speed of the air spring through the distance that the piston body moves, thereby the speed adjustment of the air spring is driven, and the use efficiency is conveniently improved.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the structure of the present invention;

FIG. 3 is a schematic view of the cross-sectional structure A-A in FIG. 2;

FIG. 4 is an enlarged view of a portion A of FIG. 3;

fig. 5 is a left side view schematic diagram of the present invention.

In the drawings, the reference numbers indicate the following list of parts:

1. a cylinder barrel; 2. a piston rod; 3. a sliding groove; 4. a top rod; 5. a piston; 6. a fixed frame; 7. mounting grooves; 8. a gasket; 9. connecting blocks; 10. a piston body; 11. connecting grooves; 12. a wind guide groove; 13. mounting the frame; 14. a gasket; 15. a placement groove; 16. a dust ring; 17. a fixed bracket; 18. installing a shaft; 19. a sliding sleeve; 20. a handle; 21. a fixed block; 22. a fixed mount; 23. and a connecting frame.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be understood that the terms "upper", "middle", "outer", "inner", and the like indicate orientation or positional relationship only for convenience of description and simplicity of description, but do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

As shown in the figures, the utility model relates to a medical equipment air spring, which comprises a cylinder barrel 1 and a piston rod 2, the piston rod 2 is arranged on the inner surface of the cylinder barrel 1, the inner surface of the piston rod 2 is provided with a sliding groove 3, the inner surface of the sliding groove 3 is provided with a mandril 4, the outer surface of the piston rod 2 is provided with a piston 5, the outer surface of the piston 5 is provided with a fixed frame 6, the inner surface of the fixed frame 6 is provided with a mounting groove 7, the inner surface of the mounting groove 7 is provided with a gasket 8, the outer surface of the piston 5 is provided with a connecting block 9, the inner surface of the connecting block 9 is provided with a piston body 10, the inner surface of the piston body 10 is provided with a connecting groove 11, the outer surface of the mandril 4 is connected with the inner surface of the connecting groove 11, the inner surface of the piston body 10 is provided with an air guide groove 12, by installing the mandril 4 in the sliding groove 3 arranged inside the piston rod 2, then, through the installation of the installation shaft 18 and the sliding sleeve 19 inside the fixed bracket 17, the handle 20 installed on the outer surface of the sliding sleeve 19 and the fixed block 21 installed on the outer surface of the handle 20 are used, the connection between the outer surface of the fixed block 21 and the outer surface of the ejector rod 4 is used to drive the ejector rod 4 to move, then, the connection between the outer surface of the ejector rod 4 and the inner surface of the connecting groove 11 arranged on the inner surface of the piston body 10 is used to drive the piston body 10 to move, so that the inert gas or the oil-gas mixture inside the cylinder barrel 1 flows through the air guide groove 12, the height is adjusted, and the use is convenient.

The outer surface of the piston body 10 is provided with an installation frame 13, the inner surface of the installation frame 13 is provided with a sealing gasket 14, the inner surface of the cylinder barrel 1 is provided with a placing groove 15, and the inner surface of the placing groove 15 is provided with a dust ring 16.

Wherein, 2 surface mounting of piston rod has fixed bolster 17, fixed bolster 17 internal surface mounting has

installation axle

18, 18 surface mounting of installation axle has sliding

sleeve

19, 19 surface mounting of sliding sleeve has handle 20, 20 surface mounting of handle has fixed

block

21, 21 surface of fixed block and 4 surface connections of ejector pin.

Wherein, the outer surface mounting of fixed bolster 17 has mount 22, the outer surface mounting of cylinder 1 has link 23.

The utility model relates to a medical equipment air spring, through installing ejector pin 4 in the sliding tray 3 that the piston rod 2 inside set up, then, through the installation of fixed bolster 17 internal installation axle 18 and sliding sleeve 19, utilize handle 20 of sliding sleeve 19 surface mounting and the fixed block 21 of handle 20 surface mounting, utilize the connection in fixed block 21 surface and ejector pin 4 surface, thereby drive ejector pin 4 and remove, then, utilize the connection between the connecting groove 11 internal surface that the external surface of ejector pin 4 and the internal surface of piston body 10 set up, drive piston body 10 and remove, thereby make the inert gas or the oil-gas mixture inside its cylinder 1 flow through wind-guiding groove 12, thereby carry out the regulation of height, thereby conveniently use; meanwhile, the moving distance of the piston body 10 enables the size of the gap between the piston body and the air guide groove 12 to determine the speed of the air spring, so that the speed of the air spring is adjusted, and the use efficiency is conveniently improved.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended to aid in the description of the invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a medical equipment air spring, includes cylinder (1) and piston rod (2), its characterized in that: the piston rod (2) is installed on the inner surface of the cylinder barrel (1), the sliding groove (3) is arranged on the inner surface of the piston rod (2), the ejector rod (4) is installed on the inner surface of the sliding groove (3), the piston (5) is installed on the outer surface of the piston rod (2), the fixed frame (6) is installed on the outer surface of the piston (5), the installation groove (7) is formed in the inner surface of the fixed frame (6), the gasket (8) is installed on the inner surface of the installation groove (7), the connecting block (9) is installed on the outer surface of the piston (5), the piston body (10) is installed on the inner surface of the connecting block (9), the connecting groove (11) is formed in the inner surface of the piston body (10), the outer surface of the ejector rod (4) is connected with the inner surface of the connecting groove (11), and the air guide groove (12) is formed in the inner surface of the piston body (10).

2. A medical device gas spring as claimed in claim 1, wherein a mounting frame (13) is mounted to an outer surface of said piston body (10), and a gasket (14) is mounted to an inner surface of said mounting frame (13).

3. The gas spring for medical equipment according to claim 1, characterized in that the inner surface of the cylinder barrel (1) is provided with a placing groove (15), and a dust ring (16) is mounted on the inner surface of the placing groove (15).

4. The medical equipment gas spring as claimed in claim 1, wherein a fixed support (17) is mounted on the outer surface of the piston rod (2), a mounting shaft (18) is mounted on the inner surface of the fixed support (17), a sliding sleeve (19) is mounted on the outer surface of the mounting shaft (18), and a handle (20) is mounted on the outer surface of the sliding sleeve (19).

5. The gas spring for medical equipment as claimed in claim 4, wherein a fixing block (21) is mounted on the outer surface of the handle (20), and the outer surface of the fixing block (21) is connected with the outer surface of the ejector rod (4).

6. A medical device gas spring as claimed in claim 4, wherein a mounting bracket (22) is mounted to an outer surface of the mounting bracket (17).

7. A medical device gas spring as claimed in claim 1, wherein a connecting bracket (23) is mounted to the outer surface of the cylinder tube (1).