CN218063191U

CN218063191U - Pneumatic bracing piece with reinforced structure

Info

Publication number: CN218063191U
Application number: CN202221414015.9U
Authority: CN
Inventors: 葛良武; 张诗力
Original assignee: Nanjing Jiujiu Gas Spring Co ltd
Current assignee: Nanjing Jiujiu Gas Spring Co ltd
Priority date: 2022-06-07
Filing date: 2022-06-07
Publication date: 2022-12-16
Anticipated expiration: 2032-06-07

Abstract

The utility model discloses a pneumatic bracing piece with reinforced structure, relate to the bracing piece field, including a piston section of thick bamboo, the storehouse of aerifing has been seted up to the inner wall of a piston section of thick bamboo, the top surface fixedly connected with baffle in storehouse of aerifing, the inner wall fixedly connected with control tube of baffle, the inner wall fixedly connected with roof and the bottom plate of control tube, the air vent has all been seted up to the outer wall of roof and bottom plate, the underrun first spring elastic connection of roof has the slider, the outer wall of slider and the inner wall sliding connection of control tube, the bottom surface fixedly connected with second spring of slider, the other end of second spring and the top surface fixed connection of bottom plate, the top surface fixedly connected with fixed block of bottom plate, the lateral wall of fixed block and the lateral wall sliding laminating of slider, when the inner chamber gas leakage of a piston section of thick bamboo leads to atmospheric pressure to be less than the inside atmospheric pressure of the storehouse of aerifing, aerify the storehouse can aerify for the inner chamber of a piston section of thick bamboo automatically, prevent that the inner chamber gas leakage of a piston section of thick bamboo from leading to unable use.

Description

Pneumatic support rod with reinforced structure

Technical Field

The utility model relates to a bracing piece field, in particular to pneumatic bracing piece with reinforced structure.

Background

The pneumatic support rod is an elastic element using gas as a working medium, and mainly comprises a cylinder barrel, a piston in the cylinder barrel, a piston rod and the like, wherein the cylinder barrel is internally stored with the gas, the piston occupies the volume in the cylinder barrel, the piston rod is pressed into the cylinder barrel during working, the piston moves axially in the cylinder barrel, the compressed gas enables the piston to reach a working position, when the external force loaded on the piston rod disappears, the gas recovers and expands, the expanded gas pushes the piston to reset, the piston rod is moved out, and the pneumatic support rod realizes compression movement and recovery damping movement.

The gas in the pneumatic bracing piece leaks easily after using for a long time, and current pneumatic bracing piece can't in time to the interior tonifying qi of cylinder when leaking gas, influences the normal use of bracing piece, for this reason, we provide a pneumatic bracing piece with reinforced structure.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a pneumatic bracing piece with reinforced structure can effectively solve the problem that can't in time make up air in to the cylinder in the gas leakage among the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a pneumatic bracing piece with reinforced structure, including a piston section of thick bamboo, the storehouse of aerifing is cut apart out through the baffle in the inside of a piston section of thick bamboo, the inner wall fixedly connected with control tube of baffle, the inner wall fixedly connected with roof and the bottom plate of control tube, the air vent has all been seted up to the outer wall of roof and bottom plate, the underrun first spring elastic connection of roof has the slider, the outer wall of slider and the inner wall sliding connection of control tube, the bottom surface fixedly connected with second spring of slider, the other end of second spring and the top surface fixed connection of bottom plate, the top surface fixedly connected with fixed block of bottom plate, the lateral wall of fixed block and the lateral wall of slider slip laminating, aerify the inside atmospheric pressure of storehouse and will discharge the bleeder vent through the bottom plate and upwards extrude the slider, aerify storehouse and inner chamber intercommunication when the fixed block is kept away from to the slider, aerify the pressurization for the inner chamber.

Preferably, the outer wall fixedly connected with stopper of fixed block, the laminating of the top surface of stopper and the bottom surface of slider is injectd the outer wall of fixed block and the laminating position of slider inner wall.

Preferably, the lateral wall of fixed block and the lateral wall of slider all are provided with sealed the pad, increase the leakproofness of fixed block outer wall and the laminating of slider inner wall.

Preferably, the bottom of the piston cylinder is provided with an inflation hole and a sealing plug, so that the inflation bin is conveniently inflated.

Preferably, the inner wall of the piston cylinder is connected with a sealing block in a sliding mode, the top surface of the sealing block is fixedly connected with a piston rod, the outer wall of the piston rod is connected with the inner wall of the piston cylinder in a sliding mode, supporting of objects is achieved, and the inflation bin is located in the portion, far away from one end of the piston rod, of the piston cylinder.

Preferably, the outer wall of piston rod and the inner wall junction of piston cylinder are provided with the sealing washer, increase the leakproofness of piston rod outer wall and the laminating of piston cylinder inner wall.

Preferably, the bottom surface fixedly connected with installation piece of piston cylinder, the installation piece has the mount pad through bolt threaded connection, and the bottom surface fixedly connected with base of mount pad consolidates the piston cylinder, conveniently supports the object.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, automatic aerify for the inner chamber in the storehouse of aerifing through the bottom setting in the piston barrel, when the inside gas leakage of inner chamber leads to atmospheric pressure to be less than the inside atmospheric pressure in storehouse of aerifing, the inside atmospheric pressure in storehouse of aerifing will be through the bleeder vent discharge of bottom plate and upwards extrude the slider, storehouse and inner chamber intercommunication of aerifing when the fixed block is kept away from to the slider, because of pressure difference, aerify the inside gas in storehouse and flow into the piston barrel inner chamber from the bleeder vent of slider opening part circulation and follow the roof, aerify the pressurization for the inner chamber, when the inside pressure in inner chamber is the same with the inside pressure in storehouse of aerifing, slider and fixed block laminating, with the inner chamber with aerify the isolated sealed in storehouse, it can aerify for the inner chamber is inside automatically to aerify the storehouse, prevent that piston barrel inner chamber gas leakage from leading to unable use.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a sectional view of the piston cylinder of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 2 according to the present invention.

In the figure: 1. a piston cylinder; 2. a piston rod; 3. a sealing block; 4. a sealing plug; 5. mounting blocks; 6. a mounting base; 7. a bolt; 8. a base; 9. a seal ring; 10. an inflating bin; 11. a partition plate; 12. an adjusting tube; 13. a top plate; 14. a base plate; 15. air holes are formed; 16. a slider; 17. a fixed block; 18. a first spring; 19. a second spring; 20. a gasket; 21. and a limiting block.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Referring to fig. 1-3, the present invention relates to a pneumatic support rod with a reinforced structure, which comprises a piston cylinder 1, wherein the piston cylinder 1 is divided into an inflation chamber 10 by a partition 11, the inner wall of the partition 11 is fixedly connected with an adjusting tube 12, the inner chamber of the piston cylinder 1 is provided with the inflation chamber 10 and is separated by the partition 11, and the inner chamber of the piston cylinder 1 is inflated by the adjusting tube 12.

The inner wall of the adjusting pipe 12 is fixedly connected with a top plate 13 and a bottom plate 14, air holes 15 are formed in the outer walls of the top plate 13 and the bottom plate 14, the bottom surface of the top plate 13 is elastically connected with a sliding block 16 through a first spring 18, the outer wall of the sliding block 16 is in sliding connection with the inner wall of the adjusting pipe 12, the bottom surface of the sliding block 16 is fixedly connected with a second spring 19, the other end of the second spring 19 is fixedly connected with the top surface of the bottom plate 14, the top surface of the bottom plate 14 is fixedly connected with a fixed block 17, the side wall of the fixed block 17 is in sliding fit with the side wall of the sliding block 16, when air pressure is lower than the internal air pressure of the inflation chamber 10 due to air leakage of the inner cavity of the piston cylinder 1, the internal air pressure of the inflation chamber 10 is discharged through the air holes 15 of the bottom plate 14, the sliding block 16 is upwards extruded, the second spring 19 at the bottom of the sliding block 16 is pulled and compresses the first spring 18 at the top of the sliding block 16, the inflation chamber 10 is communicated with the inner cavity of the piston cylinder 1, and expansion air inside the inflation chamber 10 of the piston cylinder 1 flows through the opening of the sliding block 16 due to pressure difference, and flows into the inner cavity of the piston cylinder 1 from the opening of the top plate 13, and pressurizes the inner cavity of the piston cylinder 1.

Wherein, fixed block 17's outer wall fixedly connected with stopper 21, stopper 21's top surface and the laminating of 16 bottom surfaces of slider, stopper 21 can prevent because of piston cylinder 1 during operation, and inner chamber pressure is too big compresses 16 sliders downwards, leads to the gaseous storehouse 10 that aerifys that gets into of 1 inner chamber of piston cylinder, improves the stability of using.

The side wall of the fixed block 17 and the side wall of the sliding block 16 are both provided with sealing gaskets 20, so that the sealing performance of the outer wall of the fixed block 17 and the inner wall of the sliding block 16 is improved.

The bottom of the piston cylinder 1 is provided with an inflation hole and a sealing plug 4, so that the inflation bin 10 can be conveniently inflated when the air pressure on the inner wall of the inflation bin 10 is insufficient.

The inner wall sliding connection of piston barrel 1 has sealed piece 3, and the top surface fixedly connected with piston rod 2 of sealed piece 3, the outer wall of piston rod 2 and the inner wall sliding connection of piston barrel 1, and aerify the inside that storehouse 10 is located piston barrel 1 and keeps away from piston rod 2 one end.

The outer wall of the piston rod 2 and the inner wall of the piston cylinder 1 are connected through a sealing ring 9, and the sealing performance of the outer wall of the piston rod 2 and the inner wall of the piston cylinder 1 is improved.

The bottom surface fixedly connected with installation piece 5 of piston cylinder 1, the outer wall of installation piece 5 has mount pad 6 through 7 threaded connection of bolt, and the bottom surface fixedly connected with base 8 of mount pad 6 uses bolt 7 to fix the installation piece 5 of piston cylinder 1 bottom with mount pad 6, realizes the reinforcement to piston cylinder 1, improves practical stability.

The utility model discloses the theory of operation:

referring to fig. 1-3, in use, when the pressure of the inner cavity of the piston cylinder 1 is the same as the pressure inside the air charging chamber 10, the first spring 18 disposed on the bottom surface of the top plate 13 rebounds downward to cause the slider 16 to slide downward, so that the fixing block 17 seals the opening of the slider 16, thereby isolating and sealing the inner cavity of the piston cylinder 1 from the air charging chamber 10, when the air pressure is lower than the internal air pressure of the air charging chamber 10 due to air leakage of the inner cavity of the piston cylinder 1, the internal air pressure of the air charging chamber 10 is discharged through the vent holes 15 of the bottom plate 14, and the slider 16 is pressed upward, the second spring 19 at the bottom of the slider 16 is pulled and compresses the first spring 18 at the top of the slider 16, thereby communicating the air charging chamber 10 with the inner cavity of the piston cylinder 1, and due to the pressure difference, the expansion gas inside the air charging chamber 10 will flow through the opening of the slider 16 and flow into the inner cavity of the piston cylinder 1 from the vent holes 15 of the top plate 13, thereby charging and pressurizing the inner cavity of the piston cylinder 1.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a pneumatic bracing piece with reinforced structure, includes piston cylinder (1), its characterized in that: the inner part of the piston cylinder (1) is divided into an inflation bin (10) through a partition plate (11), the inner wall of the partition plate (11) is fixedly connected with an adjusting pipe (12), the inner wall of the adjusting pipe (12) is fixedly connected with a top plate (13) and a bottom plate (14), the outer walls of the top plate (13) and the bottom plate (14) are respectively provided with an air hole (15), and the bottom surface of the top plate (13) is elastically connected with a sliding block (16) through a first spring (18);

the outer wall of slider (16) and the inner wall sliding connection of control tube (12), the bottom surface fixedly connected with second spring (19) of slider (16), the other end of second spring (19) and the top surface fixed connection of bottom plate (14), the top surface fixedly connected with fixed block (17) of bottom plate (14), the lateral wall of fixed block (17) and the lateral wall sliding fit of slider (16).

2. The pneumatic support rod with the reinforcing structure of claim 1, wherein: the outer wall fixedly connected with stopper (21) of fixed block (17), the top surface of stopper (21) is laminated with the bottom surface of slider (16).

3. The pneumatic support rod with the reinforcing structure of claim 2, wherein: and sealing gaskets (20) are arranged on the side wall of the fixed block (17) and the side wall of the sliding block (16).

4. The pneumatic support rod with the reinforcing structure of claim 1, wherein: the bottom of the piston cylinder (1) is provided with an inflation hole and a sealing plug (4).

5. The pneumatic support rod with the reinforcing structure of claim 1, wherein: the inner wall sliding connection of piston cylinder (1) has sealed piece (3), the top surface fixedly connected with piston rod (2) of sealed piece (3), the outer wall of piston rod (2) and the inner wall sliding connection of piston cylinder (1), and aerify storehouse (10) and be located piston cylinder (1) and keep away from the inside of piston rod (2) one end.

6. A pneumatic support rod with a reinforcing structure according to claim 5, wherein: and a sealing ring (9) is arranged at the joint of the outer wall of the piston rod (2) and the inner wall of the piston cylinder (1).

7. The pneumatic support rod with the reinforcing structure of claim 6, wherein: the piston cylinder is characterized in that the bottom surface of the piston cylinder (1) is fixedly connected with an installation block (5), the outer wall of the installation block (5) is connected with an installation seat (6) through a bolt (7) in a threaded mode, and the bottom surface of the installation seat (6) is fixedly connected with a base (8).