Stainless steel mini air cylinder

Abstract

The utility model discloses a stainless steel mini air cylinder which comprises an air cylinder body, a piston cavity is formed in the air cylinder body, a piston rod is connected in the piston cavity in a sliding mode, an end cover is arranged at the rear end of the air cylinder body, and a buffer gasket is arranged at the end, close to the end cover, in the piston cavity. The end face of the rear end of the buffer gasket abuts against the inner wall of the end cover, a threaded hole is formed in the surface of the outer wall of the end cover, and a fastener used for fastening the end cover is connected into the threaded hole in a threaded mode. According to the utility model, the buffer gasket is arranged, so that the piston rod can be extruded in the moving process, and the buffer gasket is made of a rubber sleeve, so that the impact caused by the reciprocating motion process of the piston rod is blocked, a good buffer effect is achieved, and the purpose of prolonging the service life of the air cylinder is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of cylinders, in particular to a stainless steel mini cylinder. Background Art

[0002] A cylinder is a cylindrical metal part that guides the piston to perform linear reciprocating motion in it, and a stainless steel mini cylinder is a type of cylinder. It is a cylindrical metal part that 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, and the gas is compressed by the piston in the compressor cylinder to increase the pressure. Stainless steel mini cylinders are widely used in various fields.

[0003] However, during the operation of the mini cylinder, when the piston moves to the terminal, due to its high speed, the kinetic energy of the piston hitting the end cover will be very large, which can easily damage the parts and greatly shorten the service life of the stainless steel cylinder. Summary of the Invention

[0004] The purpose of the present utility model is to provide a stainless steel mini cylinder to solve the problem mentioned in the background art that when the mini cylinder is working, when the piston moves to the terminal end, the kinetic energy of the piston hitting the end cover will be very large due to its high speed, which can easily damage the parts and greatly shorten the service life of the stainless steel cylinder.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a stainless steel mini cylinder, comprising a cylinder body, a piston chamber is provided in the cylinder body, a piston rod is slidably connected to the piston chamber, an end cover is provided at the rear end of the cylinder body, a buffer gasket is provided in the piston chamber near one end of the end cover, and the rear end face of the buffer gasket conflicts with the inner wall of the end cover, a threaded hole is provided on the outer wall surface of the end cover, and a fastener for fastening the end cover is threadedly connected to the threaded hole.

[0006] Preferably, the buffer gasket includes an upper gasket, a lower gasket and elastic columns, the upper gasket and the lower gasket are connected by a plurality of elastic columns, and the rear end surface of the lower gasket is in conflict with the inner wall of the end cover.

[0007] Preferably, a slot is provided on the outer wall surface of the lower gasket.

[0008] Preferably, a clamping block is fixedly connected to the inner wall surface of the piston cavity, and the clamping block is clamped in the clamping groove.

[0009] Preferably, an arc buffer groove is provided on the surface of the upper gasket.

[0010] Preferably, a connecting tube is fixedly connected to the rear end of the cylinder body, and the connecting tube is threadedly connected to the end cover.

[0011] Preferably, a fixing hole is provided on the outer wall of the connecting tube at a position opposite to the threaded hole, and a fastener is movably connected in the fixing hole.

[0012] Preferably, the buffer gasket is adapted to the piston cavity.

[0013] Preferably, the upper gasket, the lower gasket and the elastic column adopt an integrally formed structure design, and the buffer gasket is made of rubber material.

[0014] Beneficial effects

[0015] Compared with the existing technology, the beneficial effects of the present invention are:

[0016] The utility model provides a buffer gasket so that the piston rod will be squeezed during the movement. Since the buffer gasket is made of a rubber sleeve, it can block the impact caused by the piston rod during the reciprocating movement, thereby playing a good buffering role, thereby achieving the purpose of extending the service life of the cylinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the explosion structure of the utility model;

[0019] Figure 3 It is a schematic diagram of the internal matching structure of the utility model.

[0020] The corresponding relationship between the illustration labels and component names in the figure is as follows:

[0021] 1. Cylinder body; 2. End cover; 3. Piston rod; 4. Fastener; 5. Buffer gasket; 11. Piston chamber;

[0022] 12. Connecting tube; 13. Clamping block; 14. Fixing hole; 21. Threaded hole; 51. Upper gasket; 52. Lower gasket;

[0023] 53. Elastic column; 511. Arc buffer groove; 521. Card slot. DETAILED DESCRIPTION

[0024] The following will clearly and completely describe the technical solutions of the present invention in conjunction with the embodiments. Obviously, the embodiments described are only a part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] In the description of the present invention, it should be noted that the terms "upper," "lower," "left," "right," "front," "back," "inner," "outer," "vertical," and "horizontal" and the like, indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of the present invention and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have, be constructed, or operate in a specific orientation, and are therefore not to be construed as limitations on the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

[0026] like Figure 1-3 It is a structural schematic diagram of a stainless steel mini cylinder in a preferred embodiment of the present invention. In this embodiment, a stainless steel mini cylinder includes a cylinder body 1, a piston chamber 11 is opened in the cylinder body 1, a piston rod 3 is slidably connected in the piston chamber 11, an end cover 2 is provided at the rear end of the cylinder body 1, a buffer gasket 5 is provided in the piston chamber 11 near one end of the end cover 2, and the rear end face of the buffer gasket 5 conflicts with the inner wall of the end cover 2. By providing the buffer gasket 5, the piston rod 3 will be squeezed during the movement. Since the material of the buffer gasket 5 is a rubber sleeve, it can block the impact caused by the piston rod 5 during the reciprocating motion, which plays a good buffering role, thereby achieving the purpose of extending the service life of the cylinder. A threaded hole 21 is opened on the outer wall surface of the end cover 2, and a fastener 4 for fastening the end cover 2 is threadedly connected in the threaded hole 21. Since the impact caused by the reciprocating motion of the piston rod 5 can easily knock off the end cover 2, resulting in reduced sealing of the cylinder, the fastener 4 is used to strengthen the connection between the end cover 2 and the cylinder body 1.

[0027] In this embodiment, the buffer gasket 5 includes an upper gasket 51, a lower gasket 52 and an elastic column 53, and the upper gasket 51 and the lower gasket 52 are connected by a plurality of elastic columns 53, and the elastic columns 53 are used to achieve a shock-absorbing effect, and the rear end surface of the lower gasket 52 is in conflict with the inner wall of the end cover 2, effectively preventing the buffer gasket 5 from shifting backward after the upper gasket 51 is hit.

[0028] In this embodiment, a card groove 521 is provided on the outer wall surface of the lower gasket 52, and a card block 13 is fixedly connected to the inner wall surface of the piston chamber 11, and the card block 13 is engaged in the card groove 521, thereby achieving the purpose of fixing the position of the buffer gasket 5 and preventing the buffer gasket 5 from moving in the piston chamber 11 after being hit by the piston rod 3.

[0029] In this embodiment, a circular arc buffer groove 511 is formed on the surface of the upper gasket 51 to enhance the shock absorption effect.

[0030] In this embodiment, the rear end of the cylinder body 1 is fixedly connected to a connecting tube 12, which is threadedly connected to the end cover 2 to connect and fix the end cover 2. At the same time, a fixing hole 14 is opened on the outer wall of the connecting tube 12 at a position relative to the threaded hole 21, and a fastener 4 is movably connected in the fixing hole 14. Since the impact caused by the piston rod 5 during the reciprocating motion can easily knock off the end cover 2, resulting in a decrease in the sealing of the cylinder, the fastener 4 is used to strengthen the connection between the cylinder body 1.

[0031] In this embodiment, the buffer gasket 5 is adapted to the piston cavity 11. This structural design enables better cooperation between them, thereby achieving a shock-absorbing and buffering effect.

[0032] In this embodiment, the upper gasket 51, the lower gasket 52 and the elastic column 53 adopt an integrally formed structural design, which increases their own connection strength and improves their service life. The buffer gasket 5 is made of rubber material, and by utilizing the characteristics of the rubber material itself, it can play a good buffering role, and also reduces the noise generated when the piston rod moves and collides.

[0033] The above content is a further detailed description of the present invention in combination with specific implementation methods. It cannot be determined that the specific implementation of the present invention is limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, they can make several simple deductions or substitutions without departing from the concept of the present invention, which should be regarded as falling within the scope of protection determined by the claims submitted for the present invention.

Claims

1. A stainless steel mini cylinder, comprising a cylinder body (1), characterized in that: A piston chamber (11) is provided in the cylinder body (1), a piston rod (3) is slidably connected in the piston chamber (11), an end cover (2) is provided at the rear end of the cylinder body (1), a buffer gasket (5) is provided in the piston chamber (11) near one end of the end cover (2), and the rear end surface of the buffer gasket (5) is in contact with the inner wall of the end cover (2), a threaded hole (21) is provided on the outer wall surface of the end cover (2), and a fastener (4) for fastening the end cover (2) is connected to the inner thread of the threaded hole (21).

2. The stainless steel mini cylinder according to claim 1, characterized in that: The buffer gasket (5) comprises an upper gasket (51), a lower gasket (52) and elastic columns (53); the upper gasket (51) and the lower gasket (52) are connected via a plurality of elastic columns (53); and the rear end surface of the lower gasket (52) contacts the inner wall of the end cover (2).

3. The stainless steel mini cylinder according to claim 2, characterized in that: A clamping groove (521) is provided on the outer wall surface of the lower gasket (52).

4. The stainless steel mini cylinder according to claim 1, characterized in that: A clamping block (13) is fixedly connected to the inner wall surface of the piston chamber (11), and the clamping block (13) is clamped in the clamping groove (521).

5. The stainless steel mini cylinder according to claim 2, characterized in that: A circular arc buffer groove (511) is provided on the surface of the upper gasket (51).

6. The stainless steel mini cylinder according to claim 1, characterized in that: The rear end of the cylinder body (1) is fixedly connected to a connecting tube (12), and the connecting tube (12) is threadedly connected to the end cover (2).

7. The stainless steel mini cylinder according to claim 6, characterized in that: A fixing hole (14) is provided on the outer wall of the connecting tube (12) at a position opposite to the threaded hole (21), and a fastener (4) is movably connected in the fixing hole (14).

8. The stainless steel mini cylinder according to claim 1, characterized in that: The buffer gasket (5) is adapted to the piston cavity (11).

9. The stainless steel mini cylinder according to claim 2, characterized in that: The upper gasket (51), the lower gasket (52) and the elastic column (53) are designed as an integrally formed structure, and the buffer gasket (5) is made of rubber material.

Images