CN216200555U

CN216200555U - High-stability sealing structure for connecting seat of cartridge valve

Info

Publication number: CN216200555U
Application number: CN202122686321.XU
Authority: CN
Inventors: 王晓军
Original assignee: Jiangsu Yizhe Hydraulic Equipment Co ltd
Current assignee: Jiangsu Yizhe Hydraulic Equipment Co ltd
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2022-04-05
Anticipated expiration: 2031-11-04

Abstract

The utility model discloses a high-stability sealing structure of a connecting seat of a cartridge valve, relates to the technical field of cartridge valves, and aims to solve the problems that the sealing position of the connecting seat of the existing cartridge valve is easy to rub repeatedly for a long time when a piston moves due to the fact that the piston needs to move in the using process of the existing cartridge valve, and the sealing performance of the existing cartridge valve is easy to reduce. The top of cartridge valve body is provided with the connecting seat, the top of connecting seat is provided with the cartridge chamber, the below in cartridge chamber is provided with the inserted block, the upper surface of connecting seat is provided with the slot, and the cartridge chamber is inserted through inserted block and slot and connecting seat and is inlayed the formula and be connected, the inside both sides of connecting seat all are provided with the solenoid valve piece, the intermediate position department of connecting seat and cartridge intracavity portion is provided with the medium runner, the inside below of medium runner is provided with the piston, and the magnetism of piston and solenoid valve piece is inhaled and is connected, the bottom of medium runner is provided with the rubber seal layer.

Description

High-stability sealing structure for connecting seat of cartridge valve

Technical Field

The utility model relates to the technical field of cartridge valves, in particular to a high-stability sealing structure of a cartridge valve connecting seat.

Background

The main assembly of the cartridge valve consists of a valve core, a valve sleeve, a spring and a sealing ring, and the valve core has the advantages of simple structure, sensitive action and good sealing property. The hydraulic control valve has single function, mainly realizes the on-off of a liquid path, and can realize the control of the direction, pressure and flow of the oil liquid of the system when being combined with a common hydraulic control valve for use.

However, the existing cartridge valve needs to move a piston in the using process, and the sealing position of a connecting seat of the existing cartridge valve is easily subjected to repeated friction for a long time when the piston moves, so that the sealing property of the existing cartridge valve is easily reduced; therefore, the existing requirements are not met, and a cartridge valve connecting seat sealing structure with high stability is provided for the requirements.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a cartridge valve connecting seat sealing structure with high stability, and aims to solve the problems that the sealing position of the connecting seat of the existing cartridge valve needs to be subjected to piston movement in the using process, and the sealing property of the connecting seat is easy to reduce due to repeated friction for a long time when the piston moves.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a high cartridge valve connecting seat seal structure of stability, includes the cartridge valve body, the top of cartridge valve body is provided with the connecting seat, the top of connecting seat is provided with the plug-in mounting chamber, the below in plug-in mounting chamber is provided with the inserted block, the upper surface of connecting seat is provided with the slot, and the plug-in mounting chamber is inserted through inserted block and slot and connecting seat and is inlayed the formula and be connected, the inside both sides of connecting seat all are provided with the solenoid valve piece, the intermediate position department of connecting seat and plug-in mounting intracavity portion is provided with the medium runner, the inside below of medium runner is provided with the piston, and the piston is connected with solenoid valve piece magnetism, the bottom of medium runner is provided with the rubber seal layer.

Preferably, a medium inlet is formed in one side inside the insertion cavity, a medium outlet is formed in one side, away from the medium inlet, inside the connecting seat, a control flow channel is formed in the upper end of the medium inlet, and one ends of the medium inlet, the medium outlet and the control flow channel are connected with the medium flow channel.

Preferably, a movable rod is arranged above the inside of the medium flow channel, and limiting blocks are arranged on two sides of the lower portion of the movable rod.

Preferably, a piston return spring is arranged below the piston, a support rod is arranged at the lower end of the piston return spring, and a rod sealing ring is arranged between the support rod and the connecting seat.

Preferably, the below of bracing piece is provided with the installed part, the inner wall of installed part is provided with the installation screw thread, and the bracing piece passes through installation screw thread and installed part threaded connection.

Preferably, a base is arranged below the mounting piece, a combined seat is arranged below the base, and a screw hole is formed in the outer wall of the combined seat.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the plug-in block and the slot are utilized to combine the plug-in cavity and the connecting seat, so that the sealing performance of the plug-in cavity and the connecting seat is improved, and the plug-in valve is convenient for a user to install and detach.

2. The medium inlet is internally used for allowing a medium to enter, when the medium enters the inside, a part of the medium reaches the upper part of the movable rod from the control flow passage, downward pressure is applied to the movable rod, the movable rod moves downwards to the limiting block due to the pressure and is fixed by the limiting block, when the movable rod moves downwards, the piston return spring below the piston is compressed downwards under the pressure and drives the piston to move downwards, a sealing opening at the piston is opened, the medium at the medium inlet can enter the medium flow passage from the opening position and finally reaches the medium outlet to be discharged, the effect of automatic opening and closing can be achieved through the structure, and the normal use of the cartridge valve is guaranteed.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the insertion cavity and the connecting seat of the present invention;

FIG. 3 is a partial structural view of the mounting member of the present invention;

FIG. 4 is a partial structural view of the insertion cavity and the connecting seat of the present invention;

in the figure: 1. a cartridge valve body; 2. a cavity is inserted; 3. a connecting seat; 4. a support bar; 5. a mounting member; 6. a base; 7. a combination seat; 8. a screw hole; 9. a rod sealing ring; 10. a media inlet; 11. controlling the flow passage; 12. a movable rod; 13. a limiting block; 14. a medium flow passage; 15. a piston; 16. a piston return spring; 17. a solenoid valve block; 18. a media outlet; 19. a rubber sealing layer; 20. installing threads; 21. inserting a block; 22. and (4) a slot.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-4, an embodiment of the present invention is shown: the utility model provides a high cartridge valve connecting seat seal structure of stability, including cartridge valve body 1, cartridge valve body 1's top is provided with connecting seat 3, connecting seat 3's top is provided with insertion cavity 2, insertion cavity 2's below is provided with inserted block 21, connecting seat 3's upper surface is provided with slot 22, and insertion cavity 2 is inserted the formula through inserted block 21 and slot 22 and connecting seat 3 and is connected, the inside both sides of connecting seat 3 all are provided with solenoid valve piece 17, connecting seat 3 and the inside intermediate position department in insertion cavity 2 are provided with medium runner 14, the inside below of medium runner 14 is provided with piston 15, and piston 15 is connected with the solenoid valve piece 17 magnetism, the bottom of medium runner 14 is provided with rubber seal layer 19.

Further, a medium inlet 10 is arranged on one side inside the insertion cavity 2, a medium outlet 18 is arranged on one side, far away from the medium inlet 10, inside the connecting seat 3, a control flow passage 11 is arranged at the upper end of the medium inlet 10, the medium outlet 18 and one end of the control flow passage 11 are connected with a medium flow passage 14, a medium is used for entering the inside of the medium inlet 10, and after the medium enters the inside, a part of the medium reaches the upper side of the movable rod 12 from the control flow passage 11 and applies downward pressure to the movable rod 12.

Further, a movable rod 12 is arranged above the inside of the medium flow passage 14, two sides of the lower portion of the movable rod 12 are provided with a limit block 13, and the movable rod 12 moves downwards to the limit block 13 due to pressure and is fixed by the limit block 13.

Further, a piston return spring 16 is arranged below the piston 15, a support rod 4 is arranged at the lower end of the piston return spring 16, a rod sealing ring 9 is arranged between the support rod 4 and the connecting seat 3, when the movable rod 12 moves downwards, the piston return spring 16 below the piston 15 is compressed downwards under pressure and drives the piston 15 to move downwards, so that a sealing opening at the piston 15 is opened, and a medium at the medium inlet 10 can enter the medium flow channel 14 from the opening position and finally reaches the medium outlet 18 to be discharged.

Further, the below of bracing piece 4 is provided with installed part 5, and the inner wall of installed part 5 is provided with mounting thread 20, and bracing piece 4 passes through mounting thread 20 and installed part 5 threaded connection, utilizes installed part 5 can conveniently be used for installing fixedly bracing piece 4 with the threaded mode, and bracing piece 4 then is used for playing the effect of support.

Further, the base 6 is arranged below the mounting part 5, the combination seat 7 is arranged below the base 6, the screw holes 8 are formed in the outer wall of the combination seat 7, and the combination seat 7 is conveniently used for being combined with other objects through the screw holes 8 in a threaded mode.

The working principle is as follows: when the medium inlet 10 is used, a medium enters the medium inlet, after the medium enters the medium inlet, a part of the medium reaches the upper part of the movable rod 12 from the control flow passage 11, downward pressure is applied to the movable rod 12, the movable rod 12 moves downwards to the position of the limiting block 13 due to the pressure and is fixed by the limiting block 13, when the movable rod 12 moves downwards, the piston return spring 16 below the piston 15 is compressed downwards under the pressure and drives the piston 15 to move downwards, so that the sealing opening at the position of the piston 15 is opened, the medium at the position of the medium inlet 10 can enter the medium flow passage 14 from the opened position and finally reaches the medium outlet 18 to be discharged, when the medium inlet is installed, the plug-in block 21 and the plug-in slot 22 are used for combining the plug-in cavity 2 and the connecting seat 3, so that the sealing performance of the plug-in cavity and the connecting seat is improved, and the installation and the disassembly are convenient for users, when the plug-in valve is closed, two sides of the piston 15 are attached to the electromagnetic valve block 17 at the same horizontal line, and the magnetic property generated by electromagnetic electrification is used for enhancing the fit tightness between the two, so that the sealing performance of the closed part is enhanced, the problem of reduction of the sealing performance caused by repeated friction of materials such as rubber is avoided, and when the medium flow channel 14 is opened and closed, the rubber sealing layer 19 at the bottom of the medium flow channel 14 can well seal the bottom, so that the sealing performance is improved again.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a high cartridge valve connecting seat seal structure of stability, includes cartridge valve body (1), its characterized in that: the top of cartridge valve body (1) is provided with connecting seat (3), the top of connecting seat (3) is provided with cartridge chamber (2), the below in cartridge chamber (2) is provided with inserted block (21), the upper surface of connecting seat (3) is provided with slot (22), and cartridge chamber (2) are inserted the inserted and are connected with connecting seat (3) through inserted block (21) and slot (22), the inside both sides of connecting seat (3) all are provided with solenoid valve piece (17), the inside intermediate position department in connecting seat (3) and cartridge chamber (2) is provided with medium runner (14), the inside below of medium runner (14) is provided with piston (15), and piston (15) and solenoid valve piece (17) magnetism are inhaled and are connected, the bottom of medium runner (14) is provided with rubber seal layer (19).

2. The high-stability plug-in valve connecting seat sealing structure according to claim 1, wherein: the medium inlet (10) is arranged on one side inside the insertion cavity (2), the medium outlet (18) is arranged on one side, far away from the medium inlet (10), inside the connecting seat (3), the control flow channel (11) is arranged at the upper end of the medium inlet (10), and one ends of the medium inlet (10), the medium outlet (18) and the control flow channel (11) are connected with the medium flow channel (14).

3. The high-stability plug-in valve connecting seat sealing structure according to claim 1, wherein: a movable rod (12) is arranged above the inside of the medium flow channel (14), and two sides of the lower part of the movable rod (12) are provided with limit blocks (13).

4. The high-stability plug-in valve connecting seat sealing structure according to claim 1, wherein: a piston return spring (16) is arranged below the piston (15), a support rod (4) is arranged at the lower end of the piston return spring (16), and a rod sealing ring (9) is arranged between the support rod (4) and the connecting seat (3).

5. The high-stability sealing structure of the connecting seat of the cartridge valve, according to claim 4, is characterized in that: the utility model discloses a support rod, including bracing piece (4), the below of bracing piece (4) is provided with installed part (5), the inner wall of installed part (5) is provided with installation screw thread (20), and bracing piece (4) are through installation screw thread (20) and installed part (5) threaded connection.

6. The high-stability sealing structure of the connecting seat of the cartridge valve, according to claim 5, is characterized in that: the mounting piece is characterized in that a base (6) is arranged below the mounting piece (5), a combined seat (7) is arranged below the base (6), and a screw hole (8) is formed in the outer wall of the combined seat (7).