CN213981442U

CN213981442U - Hydraulic cylinder with oil leakage monitoring function

Info

Publication number: CN213981442U
Application number: CN202022974414.8U
Authority: CN
Inventors: 不公告发明人
Original assignee: Yangzhou Yuheng Machinery Co ltd
Current assignee: Yangzhou Yuheng Machinery Co ltd
Priority date: 2020-12-12
Filing date: 2020-12-12
Publication date: 2021-08-17
Anticipated expiration: 2030-12-12

Abstract

The utility model discloses a hydraulic cylinder with monitoring oil leaks function, including piston rod, cylinder cap and dustproof pad, the internally mounted of cylinder cap has fixing bolt, and the below of cylinder cap is provided with the last oil-out, the left side of dustproof pad is provided with the main sealing pad, and the dustproof pad is located the inside of cylinder cap, the cylinder cap left side is provided with the cylinder, and the left side of cylinder is provided with vice sealed the pad, the top of piston rod is provided with the air detector, and the piston rod is located the inside of cylinder, the left side of piston rod is provided with the cushion collar. This hydraulic cylinder with monitoring oil leaks function compares with current hydraulic cylinder, has made things convenient for through fixing bolt to dismantle cylinder cap and cylinder, has made things convenient for parts such as the inside piston rod of cylinder, main sealing pad and cushion collar to change and maintain, has increased work efficiency, has made things convenient for through last oil-out to convert hydraulic energy into mechanical energy at the inside piston rod of hydraulic cylinder.

Description

Hydraulic cylinder with oil leakage monitoring function

Technical Field

The utility model relates to a hydraulic cylinder technical field specifically is a hydraulic cylinder with monitoring oil leaks function.

Background

The hydraulic cylinder is a hydraulic actuating element which converts hydraulic energy into mechanical energy and does linear reciprocating motion, has simple structure and reliable work, can omit a speed reducer when realizing reciprocating motion, has no transmission clearance and moves stably, thereby being widely applied to hydraulic systems of various machines, and the output force of the hydraulic cylinder is in direct proportion to the effective area of a piston and the pressure difference between the two sides of the piston; the hydraulic cylinder is basically composed of a cylinder barrel and a cylinder cover, a piston and a piston rod, a sealing device, a buffering device and an exhaust device, wherein the buffering device and the exhaust device are determined according to specific application occasions, other devices are indispensable, and the hydraulic cylinder is divided into a plunger type, a telescopic type and a swing type.

Whether current hydraulic cylinder can not be fine monitoring hydraulic cylinder has the phenomenon of oil leakage, and the leakproofness also can not be fine use that makes hydraulic cylinder can not be fine in addition, and hydraulic cylinder can not prevent dust and can make in the dust gets into the cylinder through the piston rod to in reducing hydraulic cylinder's live time, the user demand of satisfying people that can not be fine, to above-mentioned condition, carries out technical innovation on current hydraulic cylinder's basis.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hydraulic cylinder with monitoring oil leaks function to whether the monitoring hydraulic cylinder who proposes current hydraulic cylinder can not be fine has the phenomenon of oil leakage in solving above-mentioned background art, the leakproofness can not be fine use that makes hydraulic cylinder can not be fine yet, and hydraulic cylinder can not prevent dust and can make the dust pass through in the piston rod gets into the cylinder, so as to reduce hydraulic cylinder's live time, the user demand problem of satisfying people that can not be fine.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a hydraulic cylinder with monitoring oil leaks function, includes piston rod, cylinder cap and dustproof pad, the internally mounted of cylinder cap has fixing bolt, and the below of cylinder cap is provided with the enterprising oil-out, the left side of dustproof pad is provided with the main sealing pad, and the dustproof pad is located the inside of cylinder cap, the cylinder cap left side is provided with the cylinder, and the left side of cylinder is provided with vice sealed the pad, the top of piston rod is provided with air detector, and the piston rod is located the inside of cylinder, the left side of piston rod is provided with the cushion collar, and installs the piston in the left side of cushion collar, the nut is installed in the left side of piston, and the left side of nut is provided with the cylinder seat, the top of cylinder seat is provided with down business turn over hydraulic fluid port, and the left side of cylinder seat is provided with solid fixed ring.

Preferably, the cylinder cover is communicated with the fixing bolts to form a detachable structure, the left side surface of the cylinder cover is tightly attached to the right side surface of the cylinder barrel, and the cylinder cover and the upper oil inlet and outlet are in an integrated structure.

Preferably, the external dimension structure of the main sealing gasket is the same as that of the auxiliary sealing gasket, and the central axis of the main sealing gasket coincides with that of the dustproof gasket.

Preferably, the piston rod penetrates through the cylinder barrel, and the upper surface of the cylinder barrel is tightly attached to the lower surface of the air detector.

Preferably, the central axis of the buffer sleeve coincides with the central axis of the piston, and the internal dimension structure of the buffer sleeve is the same as that of the nut.

Preferably, the cylinder seat, the fixing ring, the lower oil inlet and the lower oil outlet are of an integrated structure, and the right side surface of the cylinder is tightly attached to the left side surface of the cylinder barrel.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses in convenient to dismantle cylinder cap and cylinder through fixing bolt, made things convenient for parts such as piston rod, main seal pad and cushion collar inside the cylinder to change and maintain, increased work efficiency, made things convenient for through last oil-out to convert hydraulic energy into mechanical energy at hydraulic cylinder inside piston rod;

2. the utility model discloses in through main sealing gasket and vice sealed pad increase hydraulic cylinder's leakproofness can not cause the piston rod can not normal operation because of having reasons such as air or oil leakage, through dustproof the effectual dust that has prevented from entering into the inside of cylinder from the position of cylinder cap, increased hydraulic cylinder's life, do reciprocating motion through the piston rod in the cylinder inside and made things convenient for hydraulic energy to convert mechanical energy into, make hydraulic cylinder can support the weight that can bear, and can not drop, made things convenient for hydraulic cylinder's use;

3. the utility model discloses in made things convenient for through the cushion collar to make hydraulic cylinder move and play speed reduction to the terminal point and handle, when hydraulic cylinder's piston rod and cylinder cap will take place mechanical collision, will produce impact and noise and have very big destructiveness, will in time this kind of harm take place through the cushion collar, hydraulic cylinder's live time has been increased, solid fixed ring through on the cylinder base has made things convenient for hydraulic cylinder to fix on the solid, make things convenient for hydraulic cylinder's use, the solid of the last fixed body of while through piston rod and required removal is connected, reciprocating motion through the piston rod has made things convenient for and has put aside the solid and draw back to original position.

Drawings

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

FIG. 2 is a schematic top view of the present invention;

fig. 3 is a schematic side view of the present invention.

In the figure: 1. an upper oil inlet and an oil outlet; 2. a primary seal gasket; 3. fixing the bolt; 4. a cylinder barrel; 5. a piston rod; 6. a buffer sleeve; 7. a piston; 8. a nut; 9. a secondary gasket; 10. a cylinder base; 11. a fixing ring; 12. a lower oil inlet and outlet; 13. an air detector; 14. a cylinder cover; 15. a dust-proof pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a hydraulic cylinder with monitoring oil leakage function, including piston rod 5, cylinder cap 14 and dustproof pad 15, the internally mounted of cylinder cap 14 has fixing bolt 3, and the below of cylinder cap 14 is provided with last oil-out 1, the left side of dustproof pad 15 is provided with main sealing pad 2, and dustproof pad 15 is located the inside of cylinder cap 14, cylinder cap 14 left side is provided with cylinder 4, and the left side of cylinder 4 is provided with vice sealed pad 9, the top of piston rod 5 is provided with air detector 13, and piston rod 5 is located the inside of cylinder 4, the left side of piston rod 5 is provided with cushion sleeve 6, and piston 7 is installed in the left side of cushion sleeve 6, nut 8 is installed in the left side of piston 7, and the left side of nut 8 is provided with cylinder block 10, the top of cylinder block 10 is provided with down business turn over hydraulic fluid port 12, and the left side of cylinder block 10 is provided with solid fixed ring 11.

The utility model discloses in: the cylinder cover 14 forms a detachable structure through the fixing bolt 3, the left side surface of the cylinder cover 14 is tightly attached to the right side surface of the cylinder barrel 4, and the cylinder cover 14 and the upper oil inlet and outlet 1 are of an integrated structure; have made things convenient for through fixing bolt 3 to dismantle cylinder cap 14 and cylinder 4, made things convenient for parts such as piston rod 5, main seal pad 2 and cushion collar 6 inside cylinder 4 to change and maintain, increased work efficiency, made things convenient for through last oil-out 1 to convert hydraulic energy into mechanical energy at hydraulic cylinder inside piston rod 5.

The utility model discloses in: the external dimension structure of the main sealing gasket 2 is the same as that of the auxiliary sealing gasket 9, and the central axis of the main sealing gasket 2 is superposed with that of the dustproof gasket 15; the main sealing gasket 2 and the auxiliary sealing gasket 9 are used for increasing the sealing performance of the hydraulic oil cylinder, the piston rod 5 cannot normally run due to air or oil leakage and the like, dust is effectively prevented from entering the cylinder barrel 4 from the cylinder cover 14 through the dustproof gasket 15, and the service life of the hydraulic oil cylinder is prolonged.

The utility model discloses in: the piston rod 5 penetrates through the cylinder barrel 4, and the upper surface of the cylinder barrel 4 is tightly attached to the lower surface of the air detector 13; the piston rod 5 reciprocates in the cylinder barrel 4, so that hydraulic energy is converted into mechanical energy, the hydraulic oil cylinder can support borne weight and cannot fall off, and the use of the hydraulic oil cylinder is facilitated.

The utility model discloses in: the central axis of the buffer sleeve 6 coincides with the central axis of the piston 7, and the internal dimension structure of the buffer sleeve 6 is the same as that of the nut 8; the buffer sleeve 6 facilitates the movement of the hydraulic oil cylinder to the terminal point to perform deceleration treatment, when the piston rod 5 of the hydraulic oil cylinder and the cylinder cover 14 are about to have mechanical collision, impact and noise can be generated and great destructiveness can be achieved, the buffer sleeve 6 can timely bring about the damage, and the service time of the hydraulic oil cylinder is prolonged.

The utility model discloses in: the cylinder base 10, the fixing ring 11 and the lower oil inlet and outlet 12 are of an integrated structure, and the right side surface of the cylinder base 10 is tightly attached to the left side surface of the cylinder barrel 4; the fixing ring 11 on the cylinder base 10 facilitates fixing the hydraulic oil cylinder on a solid body, the use of the hydraulic oil cylinder is facilitated, meanwhile, the fixing body on the piston rod 5 is connected with the solid body needing to move, and the solid body is moved away and pulled back to the original position conveniently through the reciprocating motion of the piston rod 5.

The working principle of the hydraulic oil cylinder with the oil leakage monitoring function is as follows: firstly, fixing a fixing ring 11 on a cylinder base 10 of the hydraulic oil cylinder, and then connecting a ring above a piston rod 5 with an object to be moved;

secondly, the upper oil inlet and outlet 1 and the lower oil inlet and outlet 12 are connected with a pump, an oil tank and the like, when the piston rod 5 needs to move an object upwards, the compression ratio of liquid is small, so when the lower oil inlet and outlet 12 takes oil, the piston rod 5 is pushed to enable the upper oil inlet and outlet 1 to discharge oil, the piston 7 drives the piston rod 5 to do stretching and retracting movement, otherwise, the piston rod 5 retracts into the cylinder barrel 4, hydraulic oil is effectively prevented from leaking through the main sealing gasket 2 and the auxiliary sealing gasket 9, when the piston rod 5 in the cylinder barrel 4 moves upwards, impact and noise can be generated with the cylinder barrel 4, and the destructive collision is very large, the hydraulic oil cylinder moves to the terminal point through the buffer sleeve 6 to perform deceleration treatment, dust can be prevented from entering the inside of the cylinder barrel 4 through the dustproof gasket 15 on the cylinder cover 14, and the service time of the hydraulic oil cylinder is prolonged;

and finally, detecting whether the hydraulic oil cylinder leaks oil or not through the air detector 13 if oil leakage of the hydraulic oil cylinder needs to be monitored, wherein if the air is detected, the phenomenon that the oil leakage of the hydraulic oil cylinder occurs is indicated, and otherwise, the phenomenon that the oil leakage does not occur is not detected.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a hydraulic cylinder with monitor oil leakage function, includes piston rod (5), cylinder cap (14) and dustproof pad (15), its characterized in that: the oil cylinder is characterized in that a fixing bolt (3) is installed inside the cylinder cover (14), an upper oil inlet and outlet (1) is arranged below the cylinder cover (14), a main sealing gasket (2) is arranged on the left side of the dustproof gasket (15), the dustproof gasket (15) is located inside the cylinder cover (14), a cylinder barrel (4) is arranged on the left side of the cylinder cover (14), an auxiliary sealing gasket (9) is arranged on the left side of the cylinder barrel (4), an air detector (13) is arranged above the piston rod (5), the piston rod (5) is located inside the cylinder barrel (4), a buffer sleeve (6) is arranged on the left side of the piston rod (5), a piston (7) is installed on the left side of the buffer sleeve (6), a nut (8) is installed on the left side of the piston (7), a cylinder seat (10) is arranged on the left side of the nut (8), a lower oil inlet and outlet (12) is arranged above the cylinder seat (10), and a fixing ring (11) is arranged on the left side of the cylinder base (10).

2. A hydraulic ram having oil leakage monitoring capability according to claim 1, wherein: the cylinder cover (14) is connected with the fixing bolt (3) to form a detachable structure, the left side surface of the cylinder cover (14) is tightly attached to the right side surface of the cylinder barrel (4), and the cylinder cover (14) and the upper oil inlet (1) are in an integrated structure.

3. A hydraulic ram having oil leakage monitoring capability according to claim 1, wherein: the outer dimension structure of the main sealing gasket (2) is the same as that of the auxiliary sealing gasket (9), and the central axis of the main sealing gasket (2) coincides with that of the dustproof gasket (15).

4. A hydraulic ram having oil leakage monitoring capability according to claim 1, wherein: the piston rod (5) penetrates through the cylinder barrel (4), and the upper surface of the cylinder barrel (4) is tightly attached to the lower surface of the air detector (13).

5. A hydraulic ram having oil leakage monitoring capability according to claim 1, wherein: the central axis of the buffer sleeve (6) coincides with the central axis of the piston (7), and the internal dimension structure of the buffer sleeve (6) is the same as that of the nut (8).

6. A hydraulic ram having oil leakage monitoring capability according to claim 1, wherein: the cylinder seat (10), the fixing ring (11) and the lower oil inlet and outlet (12) are of an integrated structure, and the right side surface of the cylinder seat (10) is tightly attached to the left side surface of the cylinder barrel (4).