CN219413102U - Short and small copper-forbidden cylinder - Google Patents

Short and small copper-forbidden cylinder Download PDF

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Publication number
CN219413102U
CN219413102U CN202320738351.7U CN202320738351U CN219413102U CN 219413102 U CN219413102 U CN 219413102U CN 202320738351 U CN202320738351 U CN 202320738351U CN 219413102 U CN219413102 U CN 219413102U
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CN
China
Prior art keywords
piston
cavity
cylinder
front cover
annular groove
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Active
Application number
CN202320738351.7U
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Chinese (zh)
Inventor
徐彪
黄小巍
张泽
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Suzhou Changyao Precision Machinery Co ltd
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Suzhou Changyao Precision Machinery Co ltd
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Priority to CN202320738351.7U priority Critical patent/CN219413102U/en
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Abstract

The utility model discloses a short and small copper-forbidden cylinder, which comprises a cylinder main body, wherein two piston cavities are arranged on the cylinder main body, a piston rod which linearly slides along the piston cavities is arranged in the cylinder main body, a front cover for sealing the port is arranged at the port of the piston cavity through a sealing mechanism, the sealing mechanism comprises a retaining ring arranged at the top of the front cover, a first annular groove is arranged on the front cover, a first sealing ring clamped into the first annular groove is arranged between the first annular groove and the inner wall of the piston cavity, and a cavity channel for the piston rod to linearly slide is arranged in the front cover; according to the utility model, the original rear cover matched with the front cover is reduced, the guide rod, the guide cavity and the fixing plate are additionally arranged, and the mutual matching is utilized, so that the length of the piston rod can be reduced, and the whole device is shorter and smaller than a common cylinder; wherein, through the cooperation between first wear ring and piston chamber and second wear ring and the direction chamber, can increase the life of cylinder main part.

Description

Short and small copper-forbidden cylinder
Technical Field
The utility model relates to a cylinder, in particular to a short and small copper-forbidden cylinder.
Background
The cylinder is a cylindrical metal part which guides the piston to perform linear reciprocating motion in the cylinder. The air converts thermal energy into mechanical energy by expansion in the engine cylinder; the gas is compressed by a piston in a compressor cylinder to raise the pressure.
The existing small-sized cylinders are widely applied in the new energy lithium battery industry, so that most of the cylinders are copper forbidden cylinders, but the use requirements are difficult to meet in some narrower installation and use spaces due to the design of front and rear covers adopted by most of the existing cylinders.
Disclosure of Invention
In order to solve the defects that the prior small cylinders are widely applied in the new energy lithium battery industry, most of the cylinders are copper-forbidden cylinders, but the prior small cylinders are difficult to meet the requirement in a small installation and use space due to the design of front and rear covers adopted by most of the prior cylinders.
In order to solve the technical problems, the utility model provides the following technical scheme:
the utility model discloses a short and small copper-forbidden cylinder, which comprises a cylinder main body, wherein two piston cavities are arranged on the cylinder main body, a piston rod which linearly slides along the piston cavities is arranged in the cylinder main body, a front cover for sealing the port is arranged at the port of the piston cavity through a sealing mechanism, the sealing mechanism comprises a retaining ring arranged at the top of the front cover, a first annular groove is arranged on the front cover, a first sealing ring clamped in the first annular groove is arranged between the first annular groove and the inner wall of the piston cavity, a cavity channel for the piston rod to linearly slide is arranged in the front cover, a second sealing ring is arranged between the cavity channel and the piston rod, and an embedded annular groove for the second sealing ring to be clamped in is arranged on the front cover; a piston head is arranged between one end of the piston rod inserted into the piston cavity and the piston cavity through an anti-collision mechanism; the extension ends of the piston rods are connected through a fixing plate, and a guide rod for guiding and sliding the piston rods is arranged between the fixing plate and the cylinder body through a guide mechanism.
As a preferable technical scheme of the utility model, the anti-collision mechanism comprises a first anti-collision pad which is arranged at the top of the piston head and is embedded with the piston rod, a second anti-collision pad which is used for anti-collision to the bottom end of the piston cavity is arranged at the bottom of the piston head, a clamping groove for clamping the second anti-collision pad is arranged on the piston head, a first wear-resistant ring is arranged between the piston head and the inner wall of the piston cavity, a second annular groove is arranged on the piston head, and a third sealing pad is arranged between the second annular groove and the inner wall of the piston cavity.
As a preferable technical scheme of the utility model, the guide mechanism comprises a guide cavity which is arranged on the cylinder main body and is used for the guide rod to slide linearly, and a second wear-resistant ring which is embedded on the guide rod is arranged between the inner wall of the guide cavity and the guide rod.
As a preferable technical scheme of the utility model, the guide rod is provided with a magnet groove for clamping the magnet.
As a preferable technical scheme of the utility model, an air inlet hole is arranged between the cylinder main body and the piston cavity through the air guide cavity.
As a preferable technical scheme of the utility model, the fixing plate, the guide rod and the piston rod are all fixed through bolts.
As a preferable technical scheme of the utility model, the retaining ring is arranged in a C shape.
The beneficial effects of the utility model are as follows:
1. according to the short and small copper-forbidden cylinder, the original rear cover matched with the front cover is reduced, the guide rod, the guide cavity and the fixing plate are additionally arranged, and the mutual matching is utilized, so that the length of the piston rod can be reduced, and the whole device is shorter and smaller than that of a common cylinder; wherein, through the cooperation between first wear ring and piston chamber and second wear ring and the direction chamber, can increase the life of cylinder main part.
2. The short and small copper-forbidden cylinder is characterized in that the front cover can seal the port of the piston cavity through the mutual matching between the first sealing ring on the front cover and the piston cavity, the front cover is provided with the sliding cavity communicated with the piston cavity, the piston rod can perform telescopic movement in the cylinder, and the sliding cavity is sealed with the piston rod through the second sealing ring; when the piston rod is in telescopic movement, the piston head can be protected through the first anti-collision pad and the second anti-collision pad, and the tightness between the piston head and the piston cavity is enhanced through the third sealing ring.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic diagram of the structure of a short and small copper-forbidden cylinder of the utility model;
FIG. 2 is a schematic plan view of a short, compact copper-disabled cylinder of the present utility model;
FIG. 3 is a schematic view of the structure of the piston head of the short and small copper-disabled cylinder of the present utility model;
FIG. 4 is a schematic structural view of a closure mechanism of a short and small copper-forbidden cylinder of the present utility model;
FIG. 5 is a schematic partial view of a magnet of a short and small copper-forbidden cylinder according to the present utility model.
In the figure: 1. a cylinder main body; 2. a piston chamber; 3. a piston rod; 4. a front cover; 5. a clasp ring; 6. a first annular groove; 7. a first seal ring; 8. a cavity channel; 9. a second seal ring; 10. an embedded ring groove; 11. a piston head; 12. a fixing plate; 13. a guide rod; 14. a first crash pad; 15. a second crash pad; 16. a clamping groove; 17. a first wear ring; 18. a second annular groove; 19. a third gasket; 20. a guide chamber; 21. a second wear ring; 22. a magnet; 23. a magnet groove; 24. an air guide cavity; 25. an air inlet hole.
Detailed Description
The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.
Examples: as shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the short and small copper-forbidden cylinder comprises a cylinder main body 1, two piston cavities 2 are arranged on the cylinder main body 1, a piston rod 3 which linearly slides along the piston cavities 2 is arranged in the cylinder main body 1, a front cover 4 for sealing the port is arranged at the port of the piston cavity 2 through a sealing mechanism, the sealing mechanism comprises a retaining ring 5 arranged at the top of the front cover 4, a first annular groove 6 is arranged on the front cover 4, a first sealing ring 7 clamped into the first annular groove 6 is arranged between the first annular groove 6 and the inner wall of the piston cavity 2, a cavity channel 8 for the piston rod 3 to linearly slide is arranged in the front cover 4, a second sealing ring 9 is arranged between the cavity channel 8 and the piston rod 3, and an embedded annular groove 10 clamped into the second sealing ring 9 is arranged on the front cover 4; a piston head 11 is arranged between one end of the piston rod 3 inserted into the piston cavity 2 and the piston cavity 2 through an anti-collision mechanism; the extending ends of the piston rods 3 are connected through a fixed plate 12, and a guide rod 13 for guiding and sliding the piston rods 3 is arranged between the fixed plate 12 and the cylinder main body 1 through a guide mechanism; through the mutual matching between the first sealing ring 7 on the front cover 4 and the piston cavity 2, the front cover 4 can seal the port of the piston cavity 2, the front cover 4 is provided with a sliding cavity communicated with the piston cavity 2, the piston rod 3 can perform telescopic movement in the cylinder, and the sliding cavity is sealed with the piston rod 3 through the second sealing ring 9; when the piston rod 3 performs telescopic movement, the piston head 11 can be protected by the first anti-collision pad 14 and the second anti-collision pad 15, and the tightness between the piston head 11 and the piston cavity 2 is enhanced by the third sealing ring; by reducing the original back cover matched with the front cover 4 and adding the guide rod 13, the guide cavity 20 and the fixed plate 12 and utilizing the mutual matching, the length of the piston rod 3 can be reduced, so that the whole device is shorter and smaller than a common cylinder; wherein the service life of the cylinder body 1 can be increased by the interaction between the first wear ring 17 and the piston chamber 2 and between the second wear ring 21 and the guide chamber 20.
The anti-collision mechanism comprises a first anti-collision pad 14 which is arranged at the top of the piston head 11 and is embedded with the piston rod 3, a second anti-collision pad 15 which is used for anti-collision to the bottom end of the piston cavity 2 is arranged at the bottom of the piston head 11, a clamping groove 16 which is used for clamping the second anti-collision pad 15 is arranged on the piston head 11, a first wear-resistant ring 17 is arranged between the piston head 11 and the inner wall of the piston cavity 2, a second annular groove 18 is arranged on the piston head 11, and a third sealing pad 19 is arranged between the second annular groove 18 and the inner wall of the piston cavity 2.
The guide mechanism comprises a guide cavity 20 which is arranged on the cylinder body 1 and is used for the guide rod 13 to slide linearly, and a second wear-resistant ring 21 which is embedded on the guide rod 13 is arranged between the inner wall of the guide cavity 20 and the guide rod 13.
Wherein, one end of the guide rod 13 inserted into the guide cavity 20 is provided with a magnet 22, and the guide rod 13 is provided with a magnet groove 23 for the magnet 22 to be clamped in.
Wherein, an air inlet hole 25 is arranged between the cylinder main body 1 and the piston cavity 2 through an air guide cavity 24.
Wherein, the fixing plate 12, the guide rod 13 and the piston rod 3 are all fixed by bolts.
Wherein, the retaining ring 5 is arranged in a C shape.
Wherein the outer surface of the piston rod 3 needs to be chrome plated.
Wherein, the clearance between the sliding cavity and the piston rod 3 is smaller than 0.05mm, and the swing between the sliding cavity and the piston rod is reduced; the clearance between the front cover 4 and the sliding cavity is smaller than 0.05mm, and the swing between the front cover and the sliding cavity is reduced.
Wherein, through the hard cation treatment of oxidation between smooth chamber and the piston rod 3, strengthen the wearability between piston rod 3 and the smooth chamber inner wall.
All parts in the cylinder body 1 must not contain copper, zinc, electroplated nickel (electroless nickel may be) and other elements.
During operation, through the mutual matching between the first sealing ring 7 on the front cover 4 and the piston cavity 2, the front cover 4 can seal the port of the piston cavity 2, the front cover 4 is provided with a sliding cavity communicated with the piston cavity 2, the piston rod 3 can perform telescopic movement in the cylinder, and the sliding cavity is sealed with the piston rod 3 through the second sealing ring 9; when the piston rod 3 performs telescopic movement, the piston head 11 can be protected by the first anti-collision pad 14 and the second anti-collision pad 15, and the tightness between the piston head 11 and the piston cavity 2 is enhanced by the third sealing ring; by reducing the original back cover matched with the front cover 4 and adding the guide rod 13, the guide cavity 20 and the fixed plate 12 and utilizing the mutual matching, the length of the piston rod 3 can be reduced, so that the whole device is shorter and smaller than a common cylinder; wherein the service life of the cylinder body 1 can be increased by the interaction between the first wear ring 17 and the piston chamber 2 and between the second wear ring 21 and the guide chamber 20.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (7)

1. The short and small copper-forbidden cylinder comprises a cylinder main body (1), two piston cavities (2) are arranged on the cylinder main body (1), a piston rod (3) which slides along the piston cavities (2) linearly is arranged in the cylinder main body (1), and the copper-forbidden cylinder is characterized in that a front cover (4) for sealing the port is arranged at the port of the piston cavities (2) through a sealing mechanism, the sealing mechanism comprises a retaining ring (5) arranged at the top of the front cover (4), a first annular groove (6) is arranged on the front cover (4), a first sealing ring (7) clamped into the first annular groove (6) is arranged between the first annular groove (6) and the inner wall of the piston cavity (2), a cavity channel (8) for the piston rod (3) to slide linearly is arranged in the front cover (4), a second sealing ring (9) is arranged between the cavity channel (8) and the piston rod (3), and an embedded annular groove (10) for clamping the second sealing ring (9) is arranged on the front cover (4); a piston head (11) is arranged between one end of the piston rod (3) inserted into the piston cavity (2) and the piston cavity (2) through an anti-collision mechanism; the extension ends of the piston rods (3) are connected through a fixing plate (12), and guide rods (13) for guiding and sliding the piston rods (3) are arranged between the fixing plate (12) and the cylinder main body (1) through a guide mechanism.
2. The short and small copper-forbidden cylinder according to claim 1, wherein the anti-collision mechanism comprises a first anti-collision pad (14) which is arranged at the top of the piston head (11) and is embedded with the piston rod (3), a second anti-collision pad (15) which is used for anti-collision with the bottom end of the piston cavity (2) is arranged at the bottom of the piston head (11), a clamping groove (16) which is used for clamping the second anti-collision pad (15) is arranged on the piston head (11), a first wear-resistant ring (17) is arranged between the piston head (11) and the inner wall of the piston cavity (2), a second annular groove (18) is arranged on the piston head (11), and a third sealing pad (19) is arranged between the second annular groove (18) and the inner wall of the piston cavity (2).
3. The short and small copper-forbidden cylinder according to claim 1, wherein the guiding mechanism comprises a guiding cavity (20) which is arranged on the cylinder main body (1) and is used for the guide rod (13) to slide linearly, and a second wear-resistant ring (21) embedded on the guide rod (13) is arranged between the inner wall of the guiding cavity (20) and the guide rod (13).
4. A short and small copper-forbidden cylinder according to claim 3, wherein a magnet (22) is arranged at one end of the guide rod (13) inserted into the guide cavity (20), and a magnet groove (23) for the magnet (22) to be clamped in is arranged on the guide rod (13).
5. A short and small copper-forbidden cylinder according to claim 1, characterized in that an air inlet hole (25) is arranged between the cylinder body (1) and the piston cavity (2) through an air guide cavity (24).
6. The short and small copper-forbidden cylinder according to claim 1, wherein the fixing plate (12) is fixed with the guide rod (13) and the piston rod (3) through bolts.
7. The short and small copper-forbidden cylinder according to claim 1, characterized in that the retaining ring (5) is arranged in a C-shape.
CN202320738351.7U 2023-04-06 2023-04-06 Short and small copper-forbidden cylinder Active CN219413102U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320738351.7U CN219413102U (en) 2023-04-06 2023-04-06 Short and small copper-forbidden cylinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320738351.7U CN219413102U (en) 2023-04-06 2023-04-06 Short and small copper-forbidden cylinder

Publications (1)

Publication Number Publication Date
CN219413102U true CN219413102U (en) 2023-07-25

Family

ID=87204881

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320738351.7U Active CN219413102U (en) 2023-04-06 2023-04-06 Short and small copper-forbidden cylinder

Country Status (1)

Country Link
CN (1) CN219413102U (en)

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Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Short and small copper prohibition cylinder

Granted publication date: 20230725

Pledgee: Bank of Nanjing Limited by Share Ltd. Suzhou branch

Pledgor: SUZHOU CHANGYAO PRECISION MACHINERY Co.,Ltd.

Registration number: Y2024980016564

PE01 Entry into force of the registration of the contract for pledge of patent right