CN219139518U

CN219139518U - High sealed cylinder suitable for lithium electricity trade

Info

Publication number: CN219139518U
Application number: CN202223041611.XU
Authority: CN
Inventors: 陈文林; 刘向东
Original assignee: Zhejiang Yongqing Pneumatic Co ltd
Current assignee: Zhejiang Yongqing Pneumatic Co ltd
Priority date: 2022-11-16
Filing date: 2022-11-16
Publication date: 2023-06-06
Anticipated expiration: 2032-11-16

Abstract

The utility model discloses a high-sealing cylinder suitable for the lithium battery industry, which comprises a cylinder barrel, a front cylinder cover, a rear cylinder cover, a piston rod and a piston, wherein the elements are made of alloy materials without zinc, copper and the like, a sealing cavity is formed among the front cylinder cover, the rear cylinder cover and the cylinder barrel, a through hole is formed in the middle of the front cylinder cover, the piston rod is inserted into the sealing cavity through the through hole, one end of the piston rod positioned in the sealing cavity is fixedly connected with the piston, the piston is subjected to bidirectional sealing by adopting a combined sealing ring, the combined sealing ring is tightly attached to the inner wall of the sealing cavity, sealing gaskets are arranged at the connecting parts of the front cylinder cover, the rear cylinder cover and the cylinder barrel, the cylinder barrel is made of high-carbon steel pipes, and a hard chromium layer is plated on the inner wall surface of the cylinder barrel.

Description

High sealed cylinder suitable for lithium electricity trade

Technical Field

The utility model belongs to the technical field of pneumatic equipment, and particularly relates to a high-sealing cylinder suitable for the lithium battery industry.

Background

The cylinder is a cylindrical metal part which guides the piston to conduct linear reciprocating motion in the cylinder barrel, at present, the cylinder is widely used in various fields as a driving device, the working principle of the cylinder is that the pressure energy of compressed air is converted into mechanical energy, the driving mechanism conducts linear reciprocating motion, swinging and rotating motion, and the mechanical energy is generated by the compressed air, so that the design of the sealing structure of the cylinder is an important index for measuring the quality of the cylinder, and particularly the requirements of the lithium battery industry on the sealing performance and corrosion resistance of the cylinder are higher.

The existing cylinder sealing device is poor in sealing effect and easy to cause air leakage due to the fact that a conventional unidirectional circular sealing ring is adopted, a piston can apply a certain impulse force to a cylinder cover during reciprocating motion, the cylinder cover can be damaged after long-time use, air leakage is caused by gaps between the cylinder cover and a cylinder barrel, corrosion resistance and rust resistance of the cylinder are poor, the application of the cylinder device is greatly limited, and therefore the existing requirement is not met.

Disclosure of Invention

The utility model aims to provide a high-sealing cylinder suitable for the lithium battery industry, which aims to solve the problems that the sealing effect of the conventional cylinder provided in the background art is not very good, the corrosion resistance and the rust resistance of the cylinder are not good, the impact force of the reciprocating motion of a piston easily causes the damage of a cylinder cover, and the gap leakage occurs between the cylinder cover and a cylinder barrel.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a high sealed cylinder suitable for lithium electricity trade, includes cylinder, preceding cylinder cap, back cylinder cap, piston rod, piston, cylinder, preceding cylinder cap, back cylinder cap, piston rod, piston all adopt the alloy material that does not contain zinc, elements such as copper to make, form sealed chamber between preceding cylinder cap, back cylinder cap and the cylinder, preceding cylinder cap middle part is equipped with the through-hole, the piston rod inserts sealed intracavity through the through-hole, the one end fixedly connected with piston that the piston rod is located sealed intracavity, adopt the combination sealing washer to realize two-way seal on the piston.

Preferably, a dustproof sealing sleeve is arranged between the through hole and the piston rod, a guide sleeve is arranged below the dustproof sealing sleeve, sealing gaskets are arranged at the joints of the front cylinder cover, the rear cylinder cover and the cylinder barrel, and an air inlet and an air outlet are formed in the front cylinder cover and the rear cylinder cover.

Preferably, the periphery of the piston is provided with two groups of symmetrical sealing ring mounting grooves, the sealing ring mounting grooves are internally provided with combined sealing rings, and the combined sealing rings are tightly attached to the inner wall of the sealing cavity.

Preferably, a buffer block is fixedly connected to an end face, away from the piston rod, of the piston, a sliding groove is formed in the bottom end face of the buffer block, a buffer cushion is connected in the sliding groove in a sliding mode, a spring is fixedly connected to an end face, close to the piston, of the buffer cushion, and the other end of the spring is fixedly connected with the bottom end face of the buffer block.

Preferably, the piston rod is fixedly connected with the piston through press riveting, and a buffer plunger is arranged at the position, close to the piston, of the piston rod.

Preferably, the piston rod and the cylinder barrel are made of high carbon steel pipes, and the surface of the inner wall of the cylinder barrel is plated with a hard chromium layer.

Advantageous effects

1. According to the high-sealing cylinder suitable for the lithium battery industry, the cylinder barrel, the front cylinder cover, the rear cylinder cover, the piston rod and the piston are all made of alloy materials without zinc, copper and other elements, so that the corrosion resistance of the cylinder is improved, the cylinder is prevented from rusting, a combined sealing ring is arranged on the piston, a bidirectional sealing structure is realized, and sealing gaskets are arranged at the joints of the front cylinder cover, the rear cylinder cover and the cylinder barrel, and a hard chromium layer is plated on the inner wall of the cylinder barrel.

2. According to the high-sealing cylinder suitable for the lithium battery industry, the buffer plunger is arranged at the position, close to the piston, of the piston rod, the buffer block is arranged at the end face, far away from the piston rod, of the piston, the sliding groove is formed in the bottom end face of the buffer block, the buffer block is connected with the buffer in a sliding mode, the spring is fixedly connected with the end face, close to the piston, of the buffer block, the other end of the spring is fixedly connected with the bottom end face of the buffer block, and the structure can play a role in buffering impact force generated during reciprocating motion of the piston, can effectively reduce impact force caused to the cylinder cover and avoid damage and air leakage of the cylinder cover.

Drawings

FIG. 1 is a schematic view of a front view in cross section;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

the correspondence between the reference numerals and the component names in the drawings is as follows:

1. a cylinder; 2. a front cylinder cover; 3. a rear cylinder cover; 4. a piston rod; 5. a piston; 6. sealing the cavity; 7. a through hole; 8. a combined sealing ring; 9. a dustproof sealing sleeve; 10. a guide sleeve; 11. a sealing gasket; 12. an air inlet; 13. an exhaust port; 14. a seal ring mounting groove; 15. a buffer block; 16. a chute; 17. a cushion pad; 18. a spring; 19. buffering the plunger; 20. a hard chromium layer.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

1-2, which are schematic structural views of a high sealing cylinder suitable for lithium battery industry according to a preferred embodiment of the present utility model;

in this embodiment, a high sealed cylinder suitable for lithium electricity trade, including cylinder 1, preceding cylinder cap 2, back cylinder cap 3, piston rod 4, piston 5, form sealed chamber 6 between preceding cylinder cap 2, back cylinder cap 3 and the cylinder 1, preceding cylinder cap 2 middle part is equipped with through-hole 7, piston rod 4 inserts sealed chamber 6 through-hole 7 in, the one end fixedly connected with piston 5 that piston rod 4 is located sealed chamber 6, piston rod 4 is fixed through the rivet connection with piston 5, piston rod 4 is close to piston 5 department and is equipped with buffering plunger 19, can effectually reduce the impulsive force that piston 5 motion produced, plays the cushioning effect, the buffering plunger adopt combination sealing washer 8 to realize two-way seal on the piston 5, combination sealing washer 8 is equipped with two sets of altogether.

In this embodiment, be equipped with dustproof seal cover 9 between through-hole 7 with piston rod 4, dustproof seal cover 9 below is equipped with uide bushing 10, uide bushing 10 can improve the direction precision of cylinder piston rod 4, bears a small amount of transverse load on piston rod 4, reduces the kickdown volume when piston rod 4 stretches out, the junction of preceding cylinder cap 2, back cylinder cap 3 and cylinder 1 all is equipped with sealed pad 11, all be equipped with air inlet 12 and gas vent 13 on preceding cylinder cap 2 and the back cylinder cap 3, air inlet 12 and gas vent 13 all communicate with sealed chamber 6, sealed chamber 6 can exchange the gas through air inlet 12 and gas vent 13, to the two direction output forces of cylinder body.

In this embodiment, the periphery of piston 5 is equipped with two sets of symmetrical sealing washer mounting groove 14, all install combination sealing washer 8 in the sealing washer mounting groove 14, combination sealing washer 8 closely laminates with sealed chamber 6 inner wall, piston 5 is kept away from piston rod 4's an end fixedly connected with buffer block 15, the spout 16 has been seted up on the buffer block 15 bottom end face, sliding connection has blotter 17 in the spout 16, the blotter 17 is close to piston 5's an end fixedly connected with spring 18, the spring 18 other end with buffer block 15 bottom end face fixed connection, blotter 17 can play the cushioning effect to piston 5 motion, effectually avoided piston 5 to produce great vibrations, improve its stability, piston rod 4 and cylinder 1 all adopt high carbon steel pipe material, cylinder 1 inner wall surface plating has hard chromium layer 20, can reduce the frictional force between piston 4 and the cylinder 1, reduces cylinder 1 degree of wear to can prevent inside rust, thereby effectively prolong cylinder life.

In this embodiment, the cylinder barrel 1, the front cylinder cover 2, the rear cylinder cover 3, the piston rod 4 and the piston 5 are all made of alloy materials without zinc, copper and other elements, so that the corrosion resistance of the cylinder is improved, and the cylinder is prevented from rusting.

The foregoing is a further elaboration of the present utility model in connection with the detailed description, and it is not intended that the utility model be limited to the specific embodiments shown, but rather that a number of simple deductions or substitutions be made by one of ordinary skill in the art without departing from the spirit of the utility model, should be considered as falling within the scope of the utility model as defined in the appended claims.

Claims

1. The utility model provides a high sealed cylinder suitable for lithium electricity trade, includes cylinder (1), preceding cylinder cap (2), back cylinder cap (3), piston rod (4), piston (5), its characterized in that: the sealing device is characterized in that a sealing cavity (6) is formed among the front cylinder cover (2), the rear cylinder cover (3) and the cylinder barrel (1), a through hole (7) is formed in the middle of the front cylinder cover (2), a piston rod (4) is inserted into the sealing cavity (6) through the through hole (7), one end of the piston rod (4) located in the sealing cavity (6) is fixedly connected with a piston (5), and a combined sealing ring (8) is adopted on the piston (5) to realize bidirectional sealing.

2. The high-sealing cylinder suitable for the lithium battery industry according to claim 1, wherein: be equipped with dustproof seal cover (9) between through-hole (7) with piston rod (4), dustproof seal cover (9) below is equipped with uide bushing (10), the junction of preceding cylinder cap (2), back cylinder cap (3) and cylinder (1) all is equipped with sealed pad (11), all be equipped with air inlet (12) and gas vent (13) on preceding cylinder cap (2) and the back cylinder cap (3).

3. The high-sealing cylinder suitable for the lithium battery industry according to claim 1, wherein: the periphery of the piston (5) is provided with two groups of symmetrical sealing ring mounting grooves (14), the sealing ring mounting grooves (14) are internally provided with combined sealing rings (8), and the combined sealing rings (8) are tightly attached to the inner wall of the sealing cavity (6).

4. The high-sealing cylinder suitable for the lithium battery industry according to claim 1, wherein: the piston is characterized in that a buffer block (15) is fixedly connected to one end face, far away from the piston rod (4), of the piston (5), a sliding groove (16) is formed in the bottom end face of the buffer block (15), a buffer pad (17) is connected in the sliding groove (16), a spring (18) is fixedly connected to one end face, close to the piston (5), of the buffer pad (17), and the other end of the spring (18) is fixedly connected with the bottom end face of the buffer block (15).

5. The high-sealing cylinder suitable for the lithium battery industry according to claim 1, wherein: the piston rod (4) is fixedly connected with the piston (5) through press riveting, and a buffer plunger (19) is arranged at the position, close to the piston (5), of the piston rod (4).

6. The high-sealing cylinder suitable for the lithium battery industry according to claim 1, wherein: the piston rod (4) and the cylinder barrel (1) are made of high carbon steel pipes, and a hard chromium layer (20) is plated on the inner wall surface of the cylinder barrel (1).