CN209925335U

CN209925335U - Automatic lubricated cylinder

Info

Publication number: CN209925335U
Application number: CN201920755407.3U
Authority: CN
Inventors: 杨兆平; 余丹; 刘先翔
Original assignee: Yidu Bosheng Machinery Co Ltd
Current assignee: Yidu Bosheng Machinery Co Ltd
Priority date: 2019-05-24
Filing date: 2019-05-24
Publication date: 2020-01-10
Anticipated expiration: 2029-05-24

Abstract

The utility model relates to a cylinder field discloses an automatic lubricated cylinder, it includes cylinder body and piston, be equipped with the piston ring on the piston, the piston ring divide into cavity and lower cavity with the cavity of cylinder body, be equipped with on the cylinder body respectively with two gas passage of last cavity and lower cavity intercommunication, thereby change through gas passage, thereby it drives piston reciprocating motion in the cylinder body to go up the atmospheric pressure in the cavity of resorption, the cylinder body upside be equipped with the oil storage chamber and with the inlet channel of oil storage chamber intercommunication, inlet channel and liquid outlet channel, the gas passage intercommunication of inlet channel and cylinder body upside, be equipped with sealed end cap in inlet channel and external intercommunication and the inlet channel, liquid outlet channel and last cavity intercommunication. This application is through setting up the stock solution chamber in the cylinder body to store lubricated liquid, the gas in the rethread gas passage is impressed lubricated fluid in order to reach self-lubricate's purpose in the cavity, and it is poor to have solved among the prior art lubricated effect, unable self-lubricate's problem.

Description

Automatic lubricated cylinder

Technical Field

The utility model relates to a cylinder field, in particular to self-lubricating's cylinder.

Background

At present, in the modern society, with the rapid development of electrification, cylinders are widely applied in various fields. The piston in the existing cylinder is a pressure part, and the piston continuously reciprocates when the cylinder works, so that the lubrication of the piston in the cylinder is particularly important. The existing lubricating method is to coat grease on the inner wall of the cylinder in advance, however, the grease is pushed by the piston to be concentrated at two ends of the cylinder body in work, although the amount of the grease is large, the grease hardly plays a lubricating role, and in addition, the scheme is troublesome to add the grease after being used for a period of time.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides an automatic lubricated cylinder, it is through setting up the stock solution chamber in the cylinder body to store lubricated liquid, the gas in the rethread gas channel is impressed lubricated fluid in the cavity in order to reach automatic lubrication's purpose, and it is poor to have solved among the prior art lubricated effect, unable self-lubricate's problem.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an automatic lubricated cylinder, it includes cylinder body and piston, the side of piston is equipped with the piston ring, the piston ring divide into cavity and lower cavity with the cavity of cylinder body, be equipped with two gas passage with last cavity and lower cavity intercommunication respectively on the cylinder body, thereby it drives piston reciprocating motion in the cylinder body to change the atmospheric pressure in the upper and lower cavity through gas passage, the cylinder body upside is equipped with the feed liquor channel, inlet channel and the liquid outlet channel of oil storage chamber and with oil storage chamber intercommunication, inlet channel and the gas passage intercommunication of cylinder body upside, inlet channel and external intercommunication just are equipped with sealed end cap in the feed liquor channel, liquid outlet channel and last cavity intercommunication. This scheme is through setting up the stock solution chamber in the cylinder body to store lubricated liquid, the gas in the rethread gas channel is impressed lubricated fluid in order to reach self-lubricate's purpose in the cavity, and it is poor to have solved among the prior art lubricated effect, unable self-lubricate's problem.

The liquid storage cavity comprises a first liquid storage cavity and a second liquid storage cavity, a communicating channel used for being communicated with the second liquid storage cavity is arranged at the bottom of the first liquid storage cavity, a liquid inlet channel and an air inlet channel are communicated with the first liquid storage cavity, a liquid outlet channel is communicated with the second liquid storage cavity, and the second liquid storage cavity is of an annular structure arranged along the circumference of the side wall of the cylinder body. A limiting column is arranged in the first liquid storage cavity, a spring is sleeved outside the limiting column, a sealing plug is arranged at the top of the spring, and the sealing plug is matched with an outlet of the air inlet channel. Preferably, the first reservoir has a volume 3 to 5 times that of the second reservoir. Under the general condition, the gas pressure that the gas passage let in can let lubricated liquid splash when great to increaseing lubricated position of lubricated liquid, if the problem that can't lubricate the cylinder body inner wall appears, can set up the second stock solution chamber into annular shape, and set up the liquid outlet channel of a plurality of not equidirectional in order to increase the degree of consistency of lubricated liquid along cylinder body inner wall a week. This scheme is through setting up the stock solution chamber in the cylinder body to store lubricated liquid, the gas in the rethread gas channel is impressed lubricated fluid in order to reach self-lubricate's purpose in the cavity, and it is poor to have solved among the prior art lubricated effect, unable self-lubricate's problem.

The middle part of the piston is penetrated with a piston rod, and the piston ring is in sealing contact with the inner side wall of the cylinder body. And two sides of the piston rod are respectively sleeved with a bushing, and the piston rod is kept sealed with the cylinder body through the bushings.

The liquid outlet channel is of a cylindrical structure, and the diameter of the liquid outlet channel is one fifth of the thickness of the piston ring. The liquid outlet channel is provided with a plurality of parallel liquid outlet channels, each liquid outlet channel inclines upwards, and the inclination angle is 30-60 degrees.

Compared with the prior art, the utility model discloses following beneficial effect has: this application is through setting up the stock solution chamber in the cylinder body to store lubricated liquid, the gas in the rethread gas passage is impressed lubricated fluid in order to reach self-lubricate's purpose in the cavity, and it is poor to have solved among the prior art lubricated effect, unable self-lubricate's problem.

Drawings

Fig. 1 is a cross-sectional view of the present application.

Fig. 2 is an enlarged view of fig. 1 at circle 7.

The names of the parts corresponding to the reference numbers in the drawings are as follows: 1-cylinder body, 2-piston ring, 3-piston, 4-bush, 5-piston rod, 6, 8-gas channel, 7-circle, 71-liquid inlet channel, 72-first liquid storage cavity, 73-communicating channel, 74-second liquid storage cavity, 75-liquid outlet channel, 76-fixed plate, 77-spacing column, 78-spring, 79-gas inlet channel and 9-cavity.

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.

Example 1

An automatic lubricating cylinder is shown in figures 1-2 and comprises a cylinder body 1 and a piston 3, wherein a piston ring 2 is arranged on the side face of the piston 3, a cavity 9 of the cylinder body 1 is divided into an upper cavity and a lower cavity by the piston ring 2, two gas channels 6 and 8 which are respectively communicated with the upper cavity and the lower cavity are arranged on the cylinder body 1, the piston 3 is driven to reciprocate in the cylinder body 1 by changing the air pressure in the upper cavity and the lower cavity through the gas channels 6 and 8, an oil storage cavity, a liquid inlet channel 71, an air inlet channel 79 and a liquid outlet channel 75 are arranged on the upper side of the cylinder body 1, the air inlet channel 79 is communicated with the gas channel 8 on the upper side of the cylinder body 1, the liquid inlet channel 71 is communicated with the outside, a sealing plug is arranged in the liquid inlet channel 71, and.

As shown in fig. 2, the liquid storage cavities include a first liquid storage cavity 72 and a second liquid storage cavity 74, a communication channel 73 for communicating with the second liquid storage cavity 74 is arranged at the bottom of the first liquid storage cavity 72, the liquid inlet channel 71 and the air inlet channel 79 are communicated with the first liquid storage cavity 72, and the liquid outlet channel 75 is communicated with the second liquid storage cavity 74. Be equipped with spacing post 77 in the first stock solution chamber 72, spacing post 77 overcoat is equipped with spring 78, and the top of spring 78 is equipped with the sealing plug, and the sealing plug cooperates with inlet channel 79's export, is equipped with fixed plate 76 in the lateral wall of first stock solution chamber 72 in this embodiment, and spacing post 77 is fixed in on the fixed plate 76. Preferably, the first reservoir 72 has a volume 3-5 times greater than the second reservoir 74. Generally, the gas pressure that the gas passage let in can let lubricating liquid splash when great to enlarge the lubricated position of lubricating liquid, if the problem that can't lubricate the uniformity with the cylinder body 1 inner wall appears, can set up second stock solution chamber 74 to annular shape, and set up the liquid outlet channel 75 of a plurality of not equidirectional in order to increase lubricating liquid's degree of consistency along cylinder body 1 inner wall a week. The case where the second reservoir chamber 74 is provided in an annular shape is not shown in the drawings.

As shown in FIG. 1, a piston rod 5 is inserted through the middle of the piston 3, and the piston ring 2 is in sealing contact with the inner side wall of the cylinder 1. Two sides of the piston rod 5 are respectively sleeved with a bushing 4, and the piston rod 5 keeps the sealing with the cylinder body 1 through the bushings 4.

As shown in fig. 1 and 2, the liquid outlet channel 75 is a cylindrical structure, and the diameter of the liquid outlet channel is one fifth of the thickness of the piston ring 2, so that the liquid outlet channel 75 is prevented from obstructing the movement of the piston ring 2 and the piston 3. The liquid outlet channel 75 is provided with a plurality of parallel liquid outlet channels, each liquid outlet channel is inclined upwards, and the inclination angle is 30-60 degrees. The upward inclination of the liquid outlet channel 75 ensures that the lubricating liquid flows downward under the influence of gravity after being introduced, thereby ensuring that the lubricating area is increased.

The specific embodiments are only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiments without inventive contribution as required after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The utility model provides an automatic lubricated cylinder, its includes cylinder body and piston, is equipped with the piston ring on the piston, and the piston ring divide into cavity and lower cavity with the cavity of cylinder body, is equipped with on the cylinder body respectively with last cavity and two gas passage of cavity intercommunication down, thereby change the internal atmospheric pressure of upper and lower cavity through gas passage and drive the piston reciprocating motion in the cylinder body, its characterized in that: the upper side of the cylinder body is provided with an oil storage cavity, a liquid inlet channel, an air inlet channel and a liquid outlet channel, the liquid inlet channel is communicated with the liquid storage cavity, the air inlet channel is communicated with the gas channel on the upper side of the cylinder body, the liquid inlet channel is communicated with the outside, a sealing plug is arranged in the liquid inlet channel, and the liquid outlet channel is communicated with the upper cavity.

2. A self-lubricating cylinder as set forth in claim 1, wherein: the liquid storage cavity comprises a first liquid storage cavity and a second liquid storage cavity, a communicating channel used for being communicated with the second liquid storage cavity is arranged at the bottom of the first liquid storage cavity, the liquid inlet channel and the air inlet channel are communicated with the first liquid storage cavity, and the liquid outlet channel is communicated with the second liquid storage cavity.

3. A self-lubricating cylinder as set forth in claim 2, wherein: the volume of the first liquid storage cavity is 3-5 times of that of the second liquid storage cavity.

4. A self-lubricating cylinder as set forth in claim 2, wherein: the second liquid storage cavity is of an annular structure arranged along the circumference of the side wall of the cylinder body.

5. A self-lubricating cylinder as set forth in claim 2, wherein: a limiting column is arranged in the first liquid storage cavity, a spring is sleeved outside the limiting column, a sealing plug is arranged at the top of the spring, and the sealing plug is matched with an outlet of the air inlet channel.

6. An automatically lubricated cylinder according to claim 5, wherein: the outlet of the air inlet channel is a circular truncated cone-shaped hole, and the sealing plug is of a circular truncated cone-shaped structure matched with the circular truncated cone-shaped hole.

7. A self-lubricating cylinder as set forth in claim 1, wherein: the piston ring is located the side of piston, and the piston ring is sealed contact with the cylinder body inside wall.

8. A self-lubricating cylinder as set forth in claim 1, wherein: a piston rod penetrates through the middle of the piston, two sides of the piston rod are respectively sleeved with a bushing, and the piston rod is kept sealed with the cylinder body through the bushings.

9. A self-lubricating cylinder as set forth in claim 1, wherein: the liquid outlet channel is of a cylindrical structure, and the diameter of the liquid outlet channel is one fifth of the thickness of the piston ring.

10. A self-lubricating cylinder as claimed in claim 1 or 9, wherein: the liquid outlet channel is provided with a plurality of parallel liquid outlet channels, each liquid outlet channel inclines upwards, and the inclination angle is 30-60 degrees.