CN210770516U

CN210770516U - PP ball valve that leakproofness is good

Info

Publication number: CN210770516U
Application number: CN201921613425.4U
Authority: CN
Inventors: 郭祥华
Original assignee: Jiangsu Sanli Anticorrosive Pipe Valve Co ltd
Current assignee: Jiangsu Sanli Anticorrosive Pipe Valve Co ltd
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-06-16
Anticipated expiration: 2029-09-25

Abstract

The utility model belongs to the technical field of the ball valve, especially, be a PP ball valve that leakproofness is good, including valve body, valve rod, screw thread pipe box, piecing devices and open the valve device, the valve rod rotates the upper end of connecting at the valve body, screw thread pipe box movable mounting is in the both sides of valve body, piecing devices fixed mounting is in one side of screw thread pipe box, open the bottom of valve device fixed mounting at the valve body, piecing devices is including connecting the body, the mounting groove has been seted up to the inner wall that connects the body, the inside fixed mounting of mounting groove has the spring. The utility model discloses a set up piecing devices, sealing ring and sealing washer cooperation play the double sealing effect to the pipe fitting, need not use sealed sticky tape to twine, and the installation is more simple and convenient, and sealed effect has obtained the improvement, through setting up the valve opening device, has made things convenient for and has dredged the valve body, need not dismantle the pipe fitting, convenient operation, dredge efficiently.

Description

PP ball valve that leakproofness is good

Technical Field

The utility model relates to a ball valve technical field specifically is a PP ball valve that leakproofness is good.

Background

The ball valve, the opening and closing piece (spheroid) is driven by the valve stem, and the valve of making rotary motion around the ball valve axis, also can be used to fluidic regulation and control, wherein have very strong shearing force between its V type ball core of the hard seal V-type ball valve and the metal valve seat of the build-up welding carbide, the medium that is particularly useful for containing fibre, tiny solid particle etc., and the multiple-way ball valve not only can nimble control the confluence of medium, reposition of redundant personnel, and the switching of flow direction on the pipeline, also can close arbitrary passageway simultaneously and make two other passageways link to each other, wherein the PP ball valve is one kind commonly used in the ball valve, makes through PP plastics.

1. When the existing PP ball valve is connected with a pipe fitting, a joint part is generally wound through a sealing adhesive tape, so that the sealing property between the pipe fitting and the PP ball valve is enhanced, the operation is troublesome, the sealing effect is worse and worse along with longer service time, and the sealing effect is not good enough;

2. when the existing PP ball valve is blocked, the ball valve and the pipe fitting are required to be completely disassembled, so that the impurities blocked inside can be removed, and the PP ball valve is not convenient to use.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a PP ball valve that leakproofness is good has solved the problem that current PP ball valve seals the effect not good enough.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the PP ball valve with good sealing performance comprises a valve body, a valve rod, a threaded pipe sleeve, a connector device and a valve opening device, wherein the valve rod is rotatably connected to the upper end of the valve body, the threaded pipe sleeve is movably mounted on two sides of the valve body, the connector device is fixedly mounted on one side of the threaded pipe sleeve, and the valve opening device is fixedly mounted at the bottom end of the valve body.

The joint device comprises a joint body, a mounting groove is formed in the inner wall of the joint body, a spring is fixedly mounted inside the mounting groove, a sealing ring is fixedly mounted at one end of the spring, an inclined boss is fixedly mounted on the inner wall of the joint body, a sealing ring is fixedly mounted on one side of the inclined boss, and a flat boss is fixedly mounted on one side of the sealing ring.

As a preferred technical scheme of the utility model, the valve opening device includes the mount pad, the lower extreme of mount pad is rotated and is connected with the end cover plate, the inboard fixed mounting of end cover plate has the outer packing pad.

As an optimal technical scheme of the utility model, the inner wall fixed mounting of mount pad has the inside to seal the pad, the inside of bottom entry board runs through and is provided with the bolt.

As an optimized technical scheme of the utility model, the shape of sealing ring is the semicircle form, and the material of sealing ring is silicon rubber.

As a preferred technical scheme of the utility model, the both ends of valve body are all seted up threadedly, through threaded connection between threaded pipe box and the valve body.

As a preferred technical scheme of the utility model, wherein a set of the inside of mount pad is seted up threaded hole, the bolt runs through the inside of bottom entry board and mesh mutually between the screw hole.

As an optimized technical scheme of the utility model, rotate through the round pin axle between bottom entry and the mount pad and connect.

(III) advantageous effects

Compared with the prior art, the utility model provides a PP ball valve that leakproofness is good possesses following beneficial effect:

1. this PP ball valve that leakproofness is good, through setting up piecing devices, with the pipe fitting with connect this body coupling time, the pipe fitting extrudees the sealing ring, and compress tightly the pipe fitting under the effect of spring, then the pipe fitting continues to insert to connecting body inside, move to inside under the guide effect of oblique boss, the sealing washer entangles the pipe fitting, sealing ring and sealing washer cooperation play the dual seal effect to the pipe fitting, need not use sealed sticky tape to twine, it is more simple and convenient to install, and sealed effect has obtained the improvement.

2. This PP ball valve that leakproofness is good through setting up the valve opening device, unscrews the bolt, extracts the one end of end cover plate from the mount pad immediately to open the end cover plate, then dredge the operation to valve body inside, the mediation finishes the back, closes the end cover plate, has made things convenient for to dredge the valve body, need not dismantle the pipe fitting, convenient operation, and it is efficient to dredge.

Drawings

FIG. 1 is a schematic structural view 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 a schematic structural view of the joint device of the present invention;

fig. 4 is an enlarged schematic structural view of the utility model at the position B in fig. 3;

fig. 5 is a schematic sectional structure diagram of the joint device of the present invention.

In the figure: 1. a valve body; 2. a valve stem; 3. a threaded pipe sleeve; 4. a splice device; 401. a connector body; 402. mounting grooves; 403. a spring; 404. a seal ring; 405. an inclined boss; 406. a seal ring; 407. a flat boss; 5. a valve opening device; 501. a mounting seat; 502. a bottom cover plate; 503. an outer seal gasket; 504. an inner seal; 505. and (4) bolts.

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.

Examples

Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides a PP ball valve that leakproofness is good, includes valve body 1, valve rod 2, screw thread pipe box 3, piecing devices 4 and opens valve device 5, and valve rod 2 rotates to be connected in the upper end of valve body 1, and screw thread pipe box 3 movable mounting is in the both sides of valve body 1, and piecing devices 4 fixed mounting is in one side of screw thread pipe box 3, opens valve device 5 fixed mounting in the bottom of valve body 1.

The joint device 4 comprises a joint body 401, a mounting groove 402 is formed in the inner wall of the joint body 401, a spring 403 is fixedly mounted inside the mounting groove 402, a sealing ring 404 is fixedly mounted at one end of the spring 403, an inclined boss 405 is fixedly mounted on the inner wall of the joint body 401, a sealing ring 406 is fixedly mounted on one side of the inclined boss 405, and a flat boss 407 is fixedly mounted on one side of the sealing ring 406.

In this embodiment, when connecting the pipe fitting with joint body 401, the pipe fitting extrudees sealing ring 404, sealing ring 404 receives the extrusion force after oppression spring 403 contracts, and laminate with oblique boss 405, use oblique boss 405 for relying on upward movement, and compress tightly the pipe fitting under the effect of spring 403, then the pipe fitting continues to insert to joint body 401 inside, stable inside removal under the guide effect of oblique boss 405, sealing washer 406 entangles the pipe fitting, play further sealed effect, then the pipe fitting is parallel motion forward under the effect of flat boss 407, and laminate inseparabler between the flat boss 407, when carrying the fluid, sealing ring 404 and sealing washer 406 cooperation play double seal effect to the pipe fitting, need not use the sealing tape to twine, it is more simple and convenient to install, and sealed effect has obtained the improvement.

Specifically, the valve opening device 5 includes an installation seat 501, a bottom cover plate 502 is rotatably connected to a lower end of the installation seat 501, and an outer gasket 503 is fixedly installed inside the bottom cover plate 502.

In this embodiment, when the outer sealing pad 503 is attached to the inner sealing pad 504, a sealing function is performed to prevent fluid from leaking from the joint between the bottom cover plate 502 and the valve body 1.

Specifically, an inner gasket 504 is fixedly mounted on the inner wall of the mounting seat 501, and a bolt 505 penetrates through the bottom cover plate 502.

In this embodiment, when the interior of the valve body 1 is blocked, the bolt 505 is loosened, and then one end of the bottom cover plate 502 is pulled out of the mounting seat 501, and the bottom cover plate 502 is opened, and then the interior of the valve body 1 is dredged, so that the valve body 1 is dredged conveniently without disassembling the pipe fitting, the operation is convenient, and the dredging efficiency is high.

Specifically, the sealing ring 404 is semi-annular, and the material of the sealing ring 404 is silicon rubber.

In this embodiment, the sealing ring 404 seals the position of the pipe close to the outer end and can be clamped by the spring 403.

Specifically, both ends of the valve body 1 are provided with threads, and the threaded pipe sleeve 3 is connected with the valve body 1 through the threads.

In this embodiment, the threaded pipe sleeve 3 is installed at both ends of the valve body 1 through threads, and is convenient to assemble and disassemble.

Specifically, a set of the mounting seats 501 has threaded holes therein, and bolts 505 penetrate through the bottom cover plate 502 and engage with the threaded holes.

In this embodiment, after the bottom cover plate 502 is closed, the bolts 505 are screwed into the bolt holes, so that the bottom cover plate 502 and one of the mounting seats 501 are fastened.

Specifically, the bottom cover plate 502 is rotatably connected to the mounting seat 501 through a pin.

In this embodiment, the bottom cover plate 502 can rotate freely with the mounting seat 501 as a fulcrum under the action of the pin.

The utility model discloses a theory of operation and use flow: when the pipe fitting is connected with the joint body 401, the pipe fitting extrudes the sealing ring 404, the sealing ring 404 is extruded to press the spring 403 to contract and is attached to the inclined boss 405, the inclined boss 405 is supported to move upwards, the pipe fitting is tightly pressed under the action of the spring 403, then the pipe fitting is continuously inserted into the joint body 401 and stably moves inwards under the guiding action of the inclined boss 405, the pipe fitting is sleeved by the sealing ring 406 to play a further sealing action, then the pipe fitting moves forwards in parallel under the action of the flat boss 407 and is attached to the flat boss 407 more tightly, when the interior of the valve body 1 is blocked, the bolt 505 is unscrewed, one end of the bottom cover plate 502 is immediately pulled out of the mounting seat 501, the bottom cover plate 502 is opened, then the interior of the valve body 1 is dredged, one end of the bottom cover plate 502 is inserted into the mounting seat 501 and the bolt 505 is screwed tightly, when the outer sealing pad 503 is attached to the inner sealing pad 504, it acts as a seal to prevent fluid from leaking from the joint between the bottom cover plate 502 and the valve body 1.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a PP ball valve that leakproofness is good, includes valve body (1), valve rod (2), screw thread pipe box (3), piecing devices (4) and opens valve device (5), its characterized in that: the valve rod (2) is rotatably connected to the upper end of the valve body (1), the threaded pipe sleeve (3) is movably mounted on two sides of the valve body (1), the connector device (4) is fixedly mounted on one side of the threaded pipe sleeve (3), and the valve opening device (5) is fixedly mounted at the bottom end of the valve body (1);

piecing devices (4) are including connecting body (401), mounting groove (402) have been seted up to the inner wall that connects body (401), the inside fixed mounting of mounting groove (402) has spring (403), the one end fixed mounting of spring (403) has sealing ring (404), the inner wall fixed mounting who connects body (401) has oblique boss (405), one side fixed mounting of oblique boss (405) has sealing washer (406), one side fixed mounting of sealing washer (406) has flat boss (407).

2. The PP ball valve with good sealing performance as claimed in claim 1, wherein: the valve opening device (5) comprises an installation seat (501), the lower end of the installation seat (501) is rotatably connected with a bottom cover plate (502), and an outer sealing gasket (503) is fixedly installed on the inner side of the bottom cover plate (502).

3. The PP ball valve with good sealing performance as claimed in claim 2, wherein: the inner wall of the mounting seat (501) is fixedly provided with an inner sealing gasket (504), and a bolt (505) penetrates through the inner part of the bottom cover plate (502).

4. The PP ball valve with good sealing performance as claimed in claim 1, wherein: the shape of the sealing ring (404) is semi-annular, and the material of the sealing ring (404) is silicon rubber.

5. The PP ball valve with good sealing performance as claimed in claim 1, wherein: the two ends of the valve body (1) are both provided with threads, and the threaded pipe sleeve (3) is connected with the valve body (1) through threads.

6. The PP ball valve with good sealing performance as claimed in claim 3, wherein: threaded holes are formed in one group of the mounting seats (501), and the bolts (505) penetrate through the inner portion of the bottom cover plate (502) and are meshed with the threaded holes.

7. The PP ball valve with good sealing performance as claimed in claim 2, wherein: the bottom cover plate (502) is rotatably connected with the mounting seat (501) through a pin shaft.