CN214787455U

CN214787455U - Novel cartridge formula becket linear sealing switching-over valve

Info

Publication number: CN214787455U
Application number: CN202120983389.1U
Authority: CN
Inventors: 周海钱
Original assignee: Zhejiang Chuang'an Hydraulic Technology Co ltd
Current assignee: Zhejiang Chuang'an Hydraulic Technology Co ltd
Priority date: 2021-05-10
Filing date: 2021-05-10
Publication date: 2021-11-19
Anticipated expiration: 2031-05-10

Abstract

The utility model discloses a novel cartridge formula becket linear seal switching-over valve, which comprises a valve body, a valve core, the valve barrel, casing and valve pocket, the inside both sides of valve body all are provided with the valve pocket, the top of valve pocket extends to the outside of valve body, the inside circulation opening that all is provided with of valve body of valve pocket below, the bottom of circulation opening extends to the outside of valve body, and the inside one end of valve pocket is provided with the valve barrel, the top of valve barrel extends to the outside of valve pocket, and the inside case that is provided with of valve pocket below, the inside central point of valve body puts the department and is provided with the liquid return hole, and the inside feed liquor hole that is provided with of valve body of liquid return hole top, and the casing is installed on the top of valve body, the central point of casing top puts the department and installs the handle. The utility model discloses not only improve the leakproofness when the switching-over valve uses, reached the purpose that resets fast, improved the convenience when the switching-over valve uses moreover.

Description

Novel cartridge formula becket linear sealing switching-over valve

Technical Field

The utility model relates to a switching-over valve technical field specifically is a novel cartridge formula becket linear sealing switching-over valve.

Background

In the coal mining industry, a reversing valve is also called a control valve or a control valve, and in a hydraulic support hydraulic system, the reversing valve controls the direction of liquid flow to realize different actions of lifting, pushing, pulling and the like of a hydraulic support, so that the reversing valve belongs to an important hydraulic element in a hydraulic circuit of a coal mine hydraulic support.

The reversing valves on the market are various and can basically meet the use requirements of people, but certain defects still exist, and the specific problems are as follows.

(1) The existing reversing valve has general sealing performance, so that the phenomenon of leakage is easy to generate, and people are often troubled;

(2) the existing reversing valve is inconvenient to reset, so that the valve core is difficult to reset to the original position and needs to be improved;

(3) the existing reversing valve is inconvenient for disassembling the shell, so that the shell is inconvenient to overhaul and maintain.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel cartridge formula becket linear seal switching-over valve to provide switching-over valve leakproofness in solving above-mentioned background art general, be not convenient for reset and be not convenient for dismantle the problem of handling to the casing.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel cartridge formula becket linear seal switching-over valve, includes valve body, case, valve barrel, casing and valve pocket, the inside both sides of valve body all are provided with the valve pocket, and the top of valve pocket extends to the outside of valve body, and the inside circulation mouth that all is provided with of valve body of valve pocket below, and the bottom of circulation mouth extends to the outside of valve body, and the inside one end of valve pocket is provided with the valve barrel, and the top of valve barrel extends to the outside of valve pocket to the inside case that is provided with of valve pocket below, the inside central point of valve body puts the department and is provided with the liquid return hole, and the inside feed liquor hole that is provided with of valve body of liquid return hole top to the casing is installed on the top of valve body, the central point on casing top puts the department and installs the handle.

Preferably, the both sides at valve body top all are fixed with the locating plate, and are provided with two sets of pinhole on the outer wall of locating plate keeping away from valve barrel one side, and the one end of pinhole extends to the outside of locating plate to settle the processing to the pin shaft.

Preferably, the outer wall of one end of the valve core is sleeved with an annular block, and the outer wall of the valve core below the annular block is wound with a return spring so as to perform return processing on the valve core.

Preferably, the central position department at casing top is provided with the semicircle pressure head, and rotates on the casing inner wall of semicircle pressure head below and is connected with two sets of layering to press the processing to the valve barrel.

Preferably, a pin shaft is installed at the center position inside the pin hole, and one end of the pin shaft extends to the outside of the pin hole and is fixedly connected with the outer wall of the shell, so that the shell can be calibrated and arranged.

Preferably, all be provided with the screw hole on the locating plate outer wall of pinhole top, all install locking bolt on the outer wall that locating plate one side was kept away from to the casing, locking bolt's one end run through the casing and with screw hole threaded connection to carry out the dismouting processing to the casing.

Compared with the prior art, the beneficial effects of the utility model are that: the novel plug-in type metal ring linear sealing reversing valve not only improves the sealing performance when the reversing valve is used, achieves the purpose of quick reset, but also improves the convenience when the reversing valve is used;

(1) the valve sleeve and the valve core are made of metal materials, so that the rigid sealing treatment of a metal loop line is achieved, the leakage phenomenon of the valve sleeve can be reduced, and the sealing performance of the reversing valve in use is improved;

(2) by arranging the annular block and the return spring, the annular block is sleeved on the outer wall of one end of the valve core, and the return spring has good elastic action, so that the return spring drives the annular block to be positioned in the valve cavity to reset, the valve core is reset to the original position, and the purpose of quick reset is achieved;

(3) through being provided with locking bolt, screw hole, locating plate, round pin axle and pinhole, through rotatory locking bolt, make it unscrew by the inside of screw hole, and transversely upwards stimulate the casing again for the round pin axle breaks away from to the outside of pinhole, and makes the casing detach in the valve body top in the locating plate outside, in order to reach the purpose of dismantling, and then can be convenient for overhaul it and maintain the processing, thereby the convenience when having improved the switching-over valve and using.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;

fig. 3 is an enlarged schematic structural view of the utility model at the position B in fig. 1;

fig. 4 is a side view schematic diagram of the positioning plate of the present invention.

In the figure: 1. a valve body; 2. a liquid return hole; 3. a valve core; 4. a valve housing; 5. a semicircular pressure head; 6. a handle; 7. a housing; 8. layering; 9. a liquid inlet hole; 10. a valve cavity; 11. a flow port; 12. locking the bolt; 13. a threaded hole; 14. positioning a plate; 15. a pin shaft; 16. a pin hole; 17. a return spring; 18. and (4) a ring block.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. 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. 1-4, the present invention provides an embodiment: a novel plug-in type metal loop sealing reversing valve comprises a valve body 1, a valve core 3, a valve sleeve 4, a shell 7 and a valve cavity 10, wherein the valve cavity 10 is arranged on two sides inside the valve body 1, the top end of the valve cavity 10 extends to the outside of the valve body 1, positioning plates 14 are fixed on two sides of the top end of the valve body 1, two groups of pin holes 16 are formed in the outer wall of one side, far away from the valve sleeve 4, of each positioning plate 14, and one ends of the pin holes 16 extend to the outside of the positioning plates 14 so as to arrange and process a pin shaft 15;

a pin shaft 15 is arranged at the center position inside the pin hole 16, and one end of the pin shaft 15 extends to the outside of the pin hole 16 and is fixedly connected with the outer wall of the shell 7 so as to calibrate and arrange the shell 7;

threaded holes 13 are formed in the outer wall of the positioning plate 14 above the pin holes 16, locking bolts 12 are mounted on the outer wall of the shell 7 on the side away from the positioning plate 14, and one ends of the locking bolts 12 penetrate through the shell 7 and are in threaded connection with the threaded holes 13 so as to assemble and disassemble the shell 7;

a flow port 11 is arranged in the valve body 1 below the valve cavity 10, the bottom end of the flow port 11 extends to the outside of the valve body 1, a valve sleeve 4 is arranged at one end in the valve cavity 10, the top end of the valve sleeve 4 extends to the outside of the valve cavity 10, a valve core 3 is arranged in the valve cavity 10 below the valve sleeve 4, an annular block 18 is sleeved on the outer wall of one end of the valve core 3, and a return spring 17 is wound on the outer wall of the valve core 3 below the annular block 18 so as to perform return treatment on the valve core 3;

a liquid return hole 2 is formed in the center of the inside of the valve body 1, a liquid inlet hole 9 is formed in the inside of the valve body 1 above the liquid return hole 2, a shell 7 is installed at the top end of the valve body 1, a semicircular pressure head 5 is arranged at the center of the top of the shell 7, and two groups of pressing strips 8 are rotatably connected to the inner wall of the shell 7 below the semicircular pressure head 5 so as to press the valve sleeve 4;

a handle 6 is mounted at the center of the top end of the housing 7.

The working principle is as follows: when the reversing valve is used, the semicircular pressure head 5 moves downwards to enable the pressing strip 8 to be positioned inside the shell 7 to rotate, one end of the pressing strip 8 presses the valve sleeve 4 downwards to enable the bottom of the valve sleeve 4 to be in contact with the top of the valve core 3, the valve sleeve 4 and the valve core 3 are made of metal materials to achieve the rigid sealing treatment of a metal loop, then the annular block 18 is sleeved on the outer wall of one end of the valve core 3, the return spring 17 has good elastic action to enable the return spring 17 to drive the annular block 18 to be positioned inside the valve cavity 10 to reset, the valve core 3 is reset to the original position, finally the locking bolt 12 is rotated to be screwed out from the inside of the threaded hole 13, the shell 7 is pulled transversely and upwards to enable the pin shaft 15 to be separated from the outside of the pin hole 16, and the shell 7 is detached from the top of the valve body 1 outside the positioning plate 14, so as to achieve the purpose of disassembly, thereby completing the use of the reversing valve.

Claims

1. The novel plug-in type metal loop line sealing reversing valve is characterized by comprising a valve body (1), a valve core (3), a valve pocket (4), a shell (7) and a valve pocket (10), wherein the valve pocket (10) is arranged on two sides of the interior of the valve body (1), the top end of the valve pocket (10) extends to the exterior of the valve body (1), a flow port (11) is arranged inside the valve body (1) below the valve pocket (10), the bottom end of the flow port (11) extends to the exterior of the valve body (1), the valve pocket (4) is arranged at one end of the interior of the valve pocket (10), the top end of the valve pocket (4) extends to the exterior of the valve pocket (10), the valve core (3) is arranged inside the valve pocket (10) below the valve pocket (4), a liquid return hole (2) is arranged at the central position of the interior of the valve body (1), and a liquid inlet hole (9) is arranged inside the valve body (1) above the liquid return hole (2), and a shell (7) is installed at the top end of the valve body (1), and a handle (6) is installed at the center position of the top end of the shell (7).

2. The novel cartridge type metal ring linear sealing reversing valve according to claim 1, characterized in that: both sides at valve body (1) top all are fixed with locating plate (14), and are provided with two sets of pinhole (16) on locating plate (14) keep away from the outer wall of valve barrel (4) one side, and the one end of pinhole (16) extends to the outside of locating plate (14).

3. The novel cartridge type metal ring linear sealing reversing valve according to claim 1, characterized in that: the outer wall of one end of the valve core (3) is sleeved with an annular block (18), and the outer wall of the valve core (3) below the annular block (18) is wound with a return spring (17).

4. The novel cartridge type metal ring linear sealing reversing valve according to claim 1, characterized in that: the center position department at casing (7) top is provided with semicircle pressure head (5), and rotates on casing (7) inner wall of semicircle pressure head (5) below and is connected with two sets of layering (8).

5. The novel cartridge type metal ring linear sealing reversing valve according to claim 2, characterized in that: a pin shaft (15) is installed at the center position inside the pin hole (16), and one end of the pin shaft (15) extends to the outside of the pin hole (16) and is fixedly connected with the outer wall of the shell (7).

6. The novel cartridge type metal ring linear sealing reversing valve according to claim 2, characterized in that: threaded holes (13) are formed in the outer wall of the positioning plate (14) above the pin holes (16), locking bolts (12) are mounted on the outer wall of one side, away from the positioning plate (14), of the shell (7), and one ends of the locking bolts (12) penetrate through the shell (7) and are in threaded connection with the threaded holes (13).