CN211513694U

CN211513694U - Alarm filter

Info

Publication number: CN211513694U
Application number: CN201921852888.6U
Authority: CN
Inventors: 李俊年; 李轩; 颜世强; 李山; 王莹
Original assignee: Shandong Gahead Drive Tech Co ltd
Current assignee: Shandong Gahead Drive Tech Co ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-09-18
Anticipated expiration: 2029-10-31

Abstract

The utility model belongs to the technical field of the alarm, especially, be an alarm filter, including the socket, threaded connection has the joint on the socket, be equipped with the filter screen in the joint, one side of filter screen is equipped with first packing ring, be equipped with first O shape circle and sealing washer retaining ring on the joint, the sealing washer retaining ring contacts with the socket, be connected with the valve body on the joint. The utility model discloses filter fineness is high, and is small, simple to operate, and saves installation space, can effectively filter impurity, prevents that the oil circuit from blockking up the card valve, can realize automatic alarm after the jam and be convenient for in time maintain the change.

Description

Alarm filter

Technical Field

The utility model relates to an alarm technical field especially relates to an alarm filter.

Background

The alarm filter is a device for realizing alarm by utilizing the oil pressure difference of two sides after the filter screen is blocked.

At present, in the aspect of filtering hydraulic oil of agricultural machinery, a filter on the market is large in size, low in filtering precision, prone to causing oil circuit blockage, valve clamping and other faults, and difficult to find after the filter is blocked, and therefore timely maintenance is difficult, and therefore the alarm filter is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an alarm filter.

In order to achieve the above purpose, the utility model adopts the following technical scheme: alarm filter, including the socket, threaded connection has the joint on the socket, be equipped with the filter screen in the joint, one side of filter screen is equipped with first packing ring, be equipped with first O shape circle and sealing washer retaining ring on the joint, the sealing washer retaining ring contacts with the socket, be connected with the valve body on the joint.

Preferably, a valve core and an oil passage are arranged in the valve body.

Preferably, a spring, a pin, a second gasket and a sleeve are arranged in the valve body, two second O-shaped rings are arranged on the sleeve, a plug is arranged on the valve body in a threaded mode, a proximity switch is fixedly arranged on the plug through a bolt, and a protective sleeve is arranged on the proximity switch.

Preferably, a third O-shaped ring is arranged on the socket.

Compared with the prior art, the beneficial effects of the utility model are that: firstly, the device is matched with a valve core, a sealing ring retainer ring, a valve body, a first gasket, a filter screen, a joint, a first O-shaped ring, a pin, a valve core, a spring, a second gasket, a sleeve, a plug, a proximity switch and a protective cover, when the device is used, hydraulic oil flows in through the socket, flows out from the joint end through the filter screen and realizes the filtration of the hydraulic oil, impurities at the oil inlet end are washed onto the filter screen by the oil, the filter screen is blocked after the impurities are accumulated, the oil pressure at the oil inlet end is increased, when the pressure difference of the hydraulic oil is greater than the resistance of the spring at the valve core, the valve core is jacked open by the hydraulic oil, the valve core moves;

the utility model discloses filter fineness is high, and is small, simple to operate, and saves installation space, can effectively filter impurity, prevents that the oil circuit from blockking up the card valve, can realize automatic alarm after the jam and be convenient for in time maintain the change.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic side view of the present invention.

In the figure: 1. a socket; 2. a seal ring retainer ring; 3. a valve body; 4. a first gasket; 5. filtering with a screen; 6. a joint; 7. a first O-ring; 8. a pin; 9. a valve core; 10. a spring; 11. a second gasket; 12. a sleeve; 13. plugging by screwing; 14. a proximity switch; 15. a shield.

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. 1-2, the present invention provides a technical solution: the alarm filter comprises a socket 1, wherein a joint 6 is connected to the socket 1 in a threaded manner, a filter screen 5 is arranged in the joint 6, a first gasket 4 is arranged on one side of the filter screen 5, a first O-shaped ring 7 and a sealing ring retainer ring 2 are arranged on the joint 6, the sealing ring retainer ring 2 is in contact with the socket 1, and a valve body 3 is connected to the joint 6;

a valve core 9 and an oil duct are arranged in the valve body 3, a spring 10, a pin 8, a second gasket 11 and a sleeve 12 are arranged in the valve body 3, two second O-shaped rings are arranged on the sleeve 12, a plug 13 is arranged on the valve body 3 in a threaded manner, a proximity switch 14 is fixedly arranged on the plug 13 through a bolt, a protective sleeve 15 is arranged on the proximity switch 14, a third O-shaped ring is arranged on the socket 1, and the hydraulic oil flows in through the socket 1 and flows out from the end of the joint 6 through the filter screen 5 when the valve body is used through matching of the socket 1, the sealing ring retainer ring 2, the valve body 3, the first gasket 4, the filter screen 5, the joint 6, the pin 8, the valve core 9, the spring 10, the second gasket 11, the sleeve 12, the plug 13, the proximity switch 14 and the protective cover 15, so that the hydraulic oil flows out from the end of the joint 6 through the filter screen 5, the filter, when the hydraulic oil pressure difference is greater than the resistance of case 9 spring 10, case 9 is backed down by hydraulic oil, and case 9 is to one side removal that has spring 10, and case 9 and proximity switch 14 contact realize the function of reporting to the police, the utility model discloses filter fineness is high, and is small, simple to operate, and save installation space, can effectively filter impurity, prevent that the oil circuit from blockking up the card valve, can realize automatic alarm after the jam and be convenient for in time maintain the change.

The working principle is as follows: the first gasket 4 is arranged below the filter screen 5, the filter screen 5 of the arranged first gasket 4 is arranged in the joint 6, the sealing ring retainer ring 2 and the first O-shaped ring 7 are arranged on the joint 6, the third O-shaped ring is arranged on the socket 1, the valve body 3 is arranged on the joint 6, the joint 6 provided with the valve body 3 and the socket 1 provided with the third O-shaped ring are arranged together, the O-shaped ring has a sealing function, the sealing ring retainer ring 2 prevents the third O-shaped ring from being extruded out and losing efficacy, the oil duct of the valve body 3 and the conical surface of the valve core 9 form a sealing structure, the two second O-shaped rings have a sealing function, and the valve core 9 is in a conical surface shape and forms a sealing structure with the oil duct of the valve body 3;

during the use, hydraulic oil flows in through socket 1, through filter screen 5, flows out from joint 6 end, realizes the filtration of hydraulic oil, and oil inlet end impurity is washed away filter screen 5 on by fluid, piles up the back and blocks up filter screen 5, makes oil inlet end oil pressure rise, and when the hydraulic oil pressure difference is greater than the resistance of case 9 department spring 10, case 9 is backed down by hydraulic oil, and case 9 removes to the one side that has spring 10, and case 9 and proximity switch 14 contact realize the function of reporting to the police.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. Alarm filter, including socket (1), its characterized in that: threaded connection has joint (6) on socket (1), be equipped with filter screen (5) in joint (6), one side of filter screen (5) is equipped with first packing ring (4), be equipped with first O shape circle (7) and sealing washer retaining ring (2) on joint (6), sealing washer retaining ring (2) contact with socket (1), be connected with valve body (3) on joint (6).

2. The alarm filter of claim 1, wherein: and a valve core (9) and an oil duct are arranged in the valve body (3).

3. The alarm filter of claim 1, wherein: be equipped with spring (10), round pin (8), second packing ring (11) and sleeve pipe (12) in valve body (3), be equipped with two second O shape circles on sleeve pipe (12), plug (13) are installed to the screw thread on valve body (3), there are proximity switch (14) through bolt fixed mounting on plug (13), be equipped with lag (15) on proximity switch (14).

4. The alarm filter of claim 1, wherein: and a third O-shaped ring is arranged on the socket (1).