CN219755357U

CN219755357U - Liquid stop valve

Info

Publication number: CN219755357U
Application number: CN202321381127.3U
Authority: CN
Inventors: 舒朝龙
Original assignee: Xi'an Woweilong Control System Co ltd
Current assignee: Xi'an Woweilong Control System Co ltd
Priority date: 2023-06-01
Filing date: 2023-06-01
Publication date: 2023-09-26
Anticipated expiration: 2033-06-01

Abstract

The utility model relates to the technical field of liquid stop valves and discloses a liquid stop valve which comprises a bottom plate, wherein the top end of the bottom plate is fixedly connected with a valve body, the side wall of the bottom plate is in threaded connection with a first bolt, a cavity is formed in the valve body, two arc-shaped guide grooves are formed in the inner wall of the cavity, a water inlet pipe and a water outlet pipe are respectively and fixedly connected to the side walls of the two arc-shaped guide grooves, an end cover is arranged at the top end of the valve body, a second bolt is in threaded connection with the joint of the valve body and the end cover, a valve core is slidably arranged on the inner wall of the cavity, a threaded rotating rod is rotatably connected to the inner wall of the top end of the valve core, and a threaded ring is fixedly connected to the inner wall of the end cover. The utility model can reduce the extrusion of the valve core to the screw after being impacted, improve the service life of the internal parts of the valve body and reduce the use cost.

Description

Liquid stop valve

Technical Field

The utility model relates to the technical field of liquid stop valves, in particular to a liquid stop valve.

Background

The end face and the outer circle of the liquid stop valve perpendicular to the cutter bar are provided with cutting edges, and the liquid stop valve is mainly used for milling planes. The cutting edge of the outer circle is a main cutting edge, and the cutting edge of the end face plays the same role as a scraper. The liquid shut-off valve has a shorter blade than the sleeve end mill.

Through retrieval, chinese patent number is CN211202893U, a liquid stop valve is disclosed, the liquid stop valve comprises a valve body and a valve cover, a first cavity and a second cavity are respectively formed in two sides of the interior of the valve body, the first cavity is communicated with the second cavity, and a ring-shaped groove is formed in the top end of the inner wall of the first cavity;

in the above-mentioned patent, can receive the great impact force of continuation at the inside case of liquid stop valve, the impact force can be conducted to the screw rod on, makes screw rod and thread bush extrusion each other accelerate wearing and tearing, influences the life of valve body internals, improves maintenance rate and use cost.

Disclosure of Invention

The utility model aims to solve the problems that in the prior art, a valve core in a liquid stop valve can be subjected to continuous large impact force, the impact force can be transmitted to a screw rod, so that the screw rod and a threaded sleeve are mutually extruded to accelerate abrasion, the service life of internal parts of a valve body is influenced, and the maintenance rate and the use cost are improved.

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

the utility model provides a liquid stop valve, includes the bottom plate, the top fixedly connected with valve body of bottom plate, threaded connection has first bolt on the lateral wall of bottom plate, the cavity has been seted up to the inside of valve body, two arc guide slots have been seted up to the inner wall that the valve body is located the cavity, the valve body is located two arc guide slots's lateral wall and is fixedly connected with inlet tube and outlet pipe respectively, the top of valve body is equipped with the end cover, the junction threaded connection of valve body and end cover has the second bolt, the valve body is located the inner wall slip of cavity and is equipped with the case, the top inner wall rotation of case is connected with the screw thread bull stick, the inner wall fixedly connected with screwed ring of inner wall of end cover, the pole wall threaded connection of screw thread bull stick is at the inner wall of screwed ring of bottom that the valve body is located the cavity, the both sides inner wall of case is equipped with chucking mechanism respectively.

Preferably, the clamping mechanism comprises a rotating shaft, a clamping block and a torsion spring, wherein grooves are respectively formed in the inner walls of the two sides of the valve core, the rotating shaft is rotationally connected to the inner wall of the grooves, the clamping block and the torsion spring are fixedly sleeved on the rod wall of the rotating shaft at the same time, a clamping groove is formed in the inner wall of the clamping ring, the clamping block is clamped on the inner wall of the clamping groove, one end of the torsion spring is fixedly connected to the inner wall of the clamping block, and the other end of the torsion spring is fixedly connected to the inner wall of the valve core.

Preferably, the bottom fixedly connected with sealing gasket of case, sealing gasket's lateral wall laminating sets up the inner wall that is located the cavity at the valve body.

Preferably, through holes are respectively formed in the valve core and the threaded rotating rod, a pull rope is fixedly connected to the side wall of the clamping block, and the pull rope penetrates through the through holes to extend to the outer side of the threaded rotating rod and is fixedly connected with a pull ring.

Preferably, the fixed ring is fixedly connected with the wall of the threaded rotating rod, the annular chute is formed in the inner wall of the fixed ring, the movable block is slidably arranged on the inner wall of the annular chute, the side wall of the movable block extends to the outer side of the fixed ring and is fixedly connected with the connecting rod, one end of the connecting rod, deviating from the movable block, is fixedly connected with the baffle, and the baffle is fixedly connected with the top end of the valve core.

Preferably, the lateral wall fixedly connected with closing plate of baffle, the closing plate compresses tightly the inner wall that sets up at the cavity, one side that the baffle deviates from the closing plate sets up to the inclined plane, fixedly connected with auxiliary rod on the lateral wall of baffle, the one end fixedly connected with that the auxiliary rod deviates from the baffle is on the wall of the pole of connecting rod.

Compared with the prior art, the utility model provides the liquid stop valve, which has the following beneficial effects:

1. this liquid stop valve is located the fixture block of recess inner wall through the case and is established at the inner wall that the snap ring is located the draw-in groove under the effect of torsional spring, can make the case chucking set up the inner wall at the snap ring, improves the case and receives the impact force of inlet tube direction liquid, reduces the extrusion to the screw thread bull stick, and then reduces the extrusion wearing and tearing between screw thread bull stick and the screw thread ring, improves life, reduction in use cost.

2. This liquid stop valve can improve the sealed effect of baffle through the closing plate, through connecting rod and auxiliary rod fixed setting on the lateral wall of movable block, and the movable block slides the inner wall that sets up at solid fixed ring, can improve the supporting effect to the baffle, guarantees the stability when the baffle is sealed.

The device has the advantages that the parts which are not involved in the device are the same as or can be realized by adopting the prior art, the extrusion of the valve core to the screw rod after impact can be reduced, the service life of the internal parts of the valve body is prolonged, and the use cost is reduced.

Drawings

FIG. 1 is a schematic diagram of a liquid stop valve according to the present utility model;

FIG. 2 is an enlarged schematic view of the portion A of FIG. 1;

fig. 3 is an enlarged schematic view of the structure of the part B in fig. 1.

In the figure: 1 a bottom plate, 2 a valve body, 3 a first bolt, 4 a water inlet pipe, 5 a water outlet pipe, 6 an end cover, 7 a second bolt, 8 a valve core, 9 a threaded rotating rod, 10 a threaded ring, 11 a rotating shaft, 12 a clamping block, 13 a torsion spring, 14 a clamping ring, 15 a sealing gasket, 16 a baffle plate, 17 a sealing plate, 18 a pull rope, 19 a pull ring, 20 a fixed ring, 21 a movable block, 22 a connecting rod and 23 an auxiliary rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-2, a liquid stop valve, comprising a bottom plate 1, the top fixedly connected with valve body 2 of bottom plate 1, threaded connection has first bolt 3 on the lateral wall of bottom plate 1, the cavity has been seted up to the inside of valve body 2, two arc guide slots have been seted up to the inner wall that valve body 2 is located the cavity, the valve body 2 is located the lateral wall of two arc guide slots and is fixedly connected with inlet tube 4 and outlet pipe 5 respectively, the top of valve body 2 is equipped with end cover 6, the junction threaded connection of valve body 2 and end cover 6 has second bolt 7, the inner wall that valve body 2 is located the cavity slides and is equipped with case 8, the top inner wall rotation of case 8 is connected with screw thread bull stick 9, the inner wall fixedly connected with screw thread ring 10 of end cover 6, the wall threaded connection of screw thread bull stick 9 is at the inner wall of screw thread ring 10, the bottom inner wall fixedly connected with snap ring 14 that valve body 2 is located the cavity.

The both sides inner wall of case 8 is equipped with chucking mechanism respectively, chucking mechanism includes pivot 11, fixture block 12 and torsional spring 13, the both sides inner wall of case 8 is seted up flutedly respectively, pivot 11 rotates the inner wall that is located the recess at case 8 to be connected, fixture block 12 and torsional spring 13 fixed cover are established simultaneously on the pole wall of pivot 11, the draw-in groove has been seted up to the inner wall of snap ring 14, the fixture block 12 chucking sets up the inner wall at the draw-in groove, the one end fixed connection of torsional spring 13 is at the inner wall of fixture block 12, the other end fixed connection of torsional spring 13 is at the inner wall of case 8.

During the use, can guarantee the flow of pipeline inside water through inlet tube 4, outlet pipe 5 and valve body 2, and the valve body 2 is located two arc guide slots that the cavity inner wall set up can reduce the impact to valve body 2 when the inside rivers of inlet tube 4 are in the inside of valve body 2, rotate along the inner wall of screwed ring 10 through rotating screwed rod 9, can adjust the position of case 8 in valve body 2 inside, be convenient for control valve body 2 open and shut, the fixture block 12 through case 8 in the recess inner wall is located the inner wall of draw-in groove of clamp ring 14 under the effect of torsional spring 13, can make case 8 chucking setting at the inner wall of clamp ring 14, improve case 8 receive the impact force of inlet tube 4 direction liquid, reduce the extrusion to screwed rod 9, and then reduce the extrusion wearing and tearing between screwed rod 9 and the screwed ring 10, improve life, reduce use cost.

In order to facilitate subsequent adjustment after the valve core 8 is clamped on the inner wall of the clamping ring 14, the flexibility of movement of the valve core 8 is improved, as shown in fig. 1-2, a sealing gasket 15 is fixedly connected to the bottom of the valve core 8, the side wall of the sealing gasket 15 is attached to the inner wall of the cavity of the valve body 2, through holes are respectively formed in the valve core 8 and the threaded rotating rod 9, a pull rope 18 is fixedly connected to the side wall of the clamping block 12, and the pull rope 18 penetrates through the through holes to extend to the outer side of the threaded rotating rod 9 and is fixedly connected with a pull ring 19.

The pull ring 19 is pulled to drive the pull rope 18 to pull the clamping block 12 to rotate along the shaft body of the rotating shaft 11, so that the clamping block 12 moves out along the clamping groove in the clamping ring 14, the threaded rotating rod 9 can be rotated to adjust the position of the valve core 8 in the valve body 2, and the sealing gasket 15 can ensure the tightness of the valve core 8 in the valve body 2.

In order to ensure the tightness of the inner wall of the right arc-shaped guide groove of the valve core 8 and the valve body 2, as shown in fig. 3, a fixed ring 20 is fixedly connected to the rod wall of the threaded rotating rod 9, an annular chute is formed in the inner wall of the fixed ring 20, a movable block 21 is slidably arranged on the inner wall of the annular chute, the side wall of the movable block 21 extends to the outer side of the fixed ring 20 and is fixedly connected with a connecting rod 22, one end of the connecting rod 22, deviating from the movable block 21, is fixedly connected with a baffle 16, the baffle 16 is fixedly connected with the top end of the valve core 8, the side wall of the baffle 16 is fixedly connected with a sealing plate 17, the sealing plate 17 is tightly pressed on the inner wall of the cavity, one side, deviating from the sealing plate 17, of the baffle 16 is provided with an inclined plane, an auxiliary rod 23 is fixedly connected to the side wall of the baffle 16, and one end, deviating from the auxiliary rod 23, deviating from the baffle 16, of the rod wall of the connecting rod 22 is fixedly connected to the rod wall of the connecting rod 22.

Can be located the laminating of arc guide way on right side with valve body 2 through baffle 16, and the fixed upper surface that sets up at case 8 of baffle 16 can guarantee the leakproofness of valve body 2 and outlet pipe 5 after case 8 descends, prevent that liquid from flowing back from entering to the inside of valve body 2, influence the life of part, can improve the sealed effect of baffle 16 through closing plate 17, through connecting rod 22 and auxiliary rod 23 fixed setting on the lateral wall of movable block 21, and movable block 21 slides the setting at the inner wall of solid fixed ring 20, can improve the supporting effect to baffle 16, stability when guaranteeing that baffle 16 seals.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. A liquid shut-off valve comprising a bottom plate (1), characterized in that: the utility model discloses a valve body, including bottom plate (1), valve body (2) and clamping mechanism, top fixedly connected with valve body (2) of bottom plate (1), threaded connection has first bolt (3) on the lateral wall of bottom plate (1), the cavity has been seted up to the inside of valve body (2), two arc guide slots have been seted up to the inner wall that valve body (2) is located the cavity, valve body (2) are located the lateral wall of two arc guide slots and are fixedly connected with inlet tube (4) and outlet pipe (5) respectively, the top of valve body (2) is equipped with end cover (6), junction threaded connection of valve body (2) and end cover (6) has second bolt (7), valve body (2) are located the inner wall slip of cavity and are equipped with case (8), the top inner wall rotation of case (8) is connected with screw thread bull stick (9), the inner wall fixedly connected with screw thread ring (10) of inner wall (9) is located the bottom inner wall fixedly connected with snap ring (14) of cavity, the both sides inner wall of case (8) is equipped with clamping mechanism respectively.

2. A liquid shut-off valve according to claim 1, wherein: the clamping mechanism comprises a rotating shaft (11), clamping blocks (12) and torsion springs (13), grooves are respectively formed in the inner walls of the two sides of the valve core (8), the rotating shaft (11) is rotationally connected to the inner walls of the grooves of the valve core (8), the clamping blocks (12) and the torsion springs (13) are fixedly sleeved on the rod wall of the rotating shaft (11) at the same time, clamping grooves are formed in the inner walls of the clamping rings (14), the clamping blocks (12) are clamped on the inner walls of the clamping grooves, one ends of the torsion springs (13) are fixedly connected to the inner walls of the clamping blocks (12), and the other ends of the torsion springs (13) are fixedly connected to the inner walls of the valve core (8).

3. A liquid shut-off valve as defined in claim 2 wherein: the bottom of case (8) fixedly connected with is sealed to be filled up (15), the lateral wall laminating of sealed pad (15) sets up in valve body (2) is located the inner wall of cavity.

4. A liquid shut-off valve as defined in claim 2 wherein: through holes are formed in the valve core (8) and the threaded rotating rod (9) respectively, a pull rope (18) is fixedly connected to the side wall of the clamping block (12), and the pull rope (18) penetrates through the through holes to extend to the outer side of the threaded rotating rod (9) and is fixedly connected with a pull ring (19).

5. A liquid shut-off valve according to claim 1, wherein: the utility model discloses a valve core (8) of a valve, including fixed ring (20) on the pole wall of screw thread bull stick (9), annular spout has been seted up to the inner wall of fixed ring (20), the inner wall slip that fixed ring (20) are located annular spout is provided with movable block (21), the lateral wall of movable block (21) extends to the outside and fixedly connected with connecting rod (22) of fixed ring (20), one end fixedly connected with baffle (16) that connecting rod (22) deviate from movable block (21), baffle (16) fixedly connected with is on the top of valve core (8).

6. A liquid shut-off valve according to claim 5 wherein: the side wall fixedly connected with closing plate (17) of baffle (16), closing plate (17) compress tightly the inner wall that sets up at the cavity, one side that baffle (16) deviate from closing plate (17) sets up to the inclined plane, fixedly connected with auxiliary rod (23) on the lateral wall of baffle (16), the one end fixed connection that auxiliary rod (23) deviate from baffle (16) is on the wall of connecting rod (22).