Valve leaking stoppage structure

Abstract

The utility model provides a valve leaking stoppage structure, and relates to the technical field of valves. The ball body is arranged in the valve body, the mounting seat is arranged at the inlet end of the valve body at the side part of the ball body, the valve seat is arranged on the mounting seat at the side part of the ball body, a leaking stoppage pipeline is arranged on the valve body and the mounting seat, and the leaking stoppage pipeline comprises an inner pipeline arranged in the mounting seat and an outer pipeline arranged in the valve body. The inner pipeline is communicated with the outer pipeline, a material injection hole communicated with the inner pipeline is formed in the portion, on the side of the valve seat, of the installation seat, a material injection pipe is communicated with the interior of the outer pipeline, and a valve is arranged on the material injection pipe. When the valve leaks inwards, sealant can be filled into the valve to prevent the inner leakage from being further serious.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve technical field, concretely relates to a valve leak stop structure. BACKGROUND

[0002] The opening and closing member of the ball valve is a ball, which is driven by a valve rod and rotates around the ball valve axis for fluid regulation and control.

[0003] At present, when the pneumatic ball valve of the polysilicon device leaks, it cannot be plugged in time, resulting in that the material has leaked too much during maintenance, and even the internal components of the valve are damaged and can only be replaced entirely. INVENTION CONTENTS

[0004] The utility model discloses a valve leak stop structure that can fill sealing glue to avoid further serious internal leakage when the valve leaks.

[0005] The utility model discloses the following technical scheme realizes:

[0006] A valve leak stop structure, comprising:

[0007] A valve body;

[0008] A ball is arranged in the valve body;

[0009] A mounting seat is arranged at the inlet end of the valve body on the side of the ball;

[0010] A valve seat is arranged on the mounting seat on the side of the ball;

[0011] The valve body and the mounting seat are provided with a leak stop pipeline, the leak stop pipeline comprises an inner pipeline arranged in the mounting seat and an outer pipeline arranged in the valve body, the inner pipeline and the outer pipeline are in communication, the mounting seat on the side of the valve seat is provided with a material injection hole in communication with the inner pipeline, a material injection pipe is in communication in the outer pipeline, and a valve is arranged on the material injection pipe.

[0012] Optionally, the inner pipeline is L-shaped and comprises a horizontal segment and a vertical segment in communication, the material injection hole is in communication with the horizontal segment, the vertical segment extends upward to the top of the mounting seat, and the outer pipeline is vertically arranged above the vertical segment of the inner pipeline and in communication with the vertical segment.

[0013] Optionally, the top end of the vertical segment is an expanded end, and the inner diameter of the bottom end of the outer pipeline is smaller than that of the expanded end of the top of the vertical segment of the inner pipeline.

[0014] Optionally, a connecting hole is coaxially arranged at the top of the outer pipeline, the connecting hole is a threaded hole, and the material injection pipe is threadedly connected with the connecting hole.

[0015] Optionally, the valve seat is annular, and a scraper part in contact with the ball is arranged on the inner side wall of the ball; and a plurality of balance grooves are arranged on the outer wall of the valve seat at equal intervals.

[0016] Optionally, the balance grooves are V-shaped and are arranged parallel to the axial direction of the valve seat.

[0017] Optionally, a plurality of clamping strips matched with the balance grooves are arranged at corresponding positions of the mounting seat, and the size of the clamping strips is smaller than that of the balance grooves.

[0018] Optionally, the mounting seat is annular, and the side wall of the mounting seat away from the ball is a stepped structure; a sealing groove is arranged on the stepped structure; and a sealing ring is arranged in the sealing groove.

[0019] Optionally, a plurality of grooves are arranged on the stepped structure of the mounting seat at equal intervals along the annular track of the mounting seat; and a spring connected with the inner wall of the valve body is arranged in the groove.

[0020] Optionally, a compression spring is arranged on the side of the valve seat close to the ball, the compression spring is fixed to the inner wall of the valve body, and a sealing ring is further arranged between the valve seat and the mounting seat.

[0021] The beneficial effects of the present application are as follows:

[0022] When the valve does not leak, the valve works normally; when the valve leaks, the pipe for injecting the sealant is communicated with the injection pipe, then the hand valve is opened, and the sealant is injected through the pipe to quickly fill the inside of the valve, so that the leakage is not further aggravated, the material is prevented from leaking out and damaging the inside of the valve, and in addition, a plurality of balance grooves are evenly arranged on the valve seat, so that when the valve seat loses balance due to the opening and closing of the valve, the balance grooves enable the valve seat to uniformly deform as a whole, and the valve seat is prevented from moving outward or deforming due to excessive local stress. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0024] Figure 1 The present application is a structural diagram.

[0025] Fig. 1 is a valve body; 2 is a ball; 3 is a mounting seat; 4 is a slot; 5 is a spring; 6 is a sealing ring; 7 is a sealing ring; 8 is a compression spring; 9 is a valve seat; 10 is a clamping strip; 11 is a balance groove; 12 is a pouring hole; 13 is an inner pipeline; 131 is a horizontal section; 132 is a vertical section; 133 is an enlarged end; 14 is an outer pipeline; 15 is a connecting hole; 16 is a pouring pipe. DETAILED DESCRIPTION

[0026] In the following, only certain exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the present invention. Therefore, the drawings and the description are considered to be exemplary in nature rather than limiting.

[0027] In the description of the present invention, it needs to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, only for the convenience of describing the present invention and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present invention.

[0028] The embodiments of the present utility model will be described in detail below in conjunction with the drawings.

[0029] As Figure 1 shown, the utility model discloses a valve leaking stoppage structure, including valve body 1, the ball 2 that is the plug body is equipped in valve body 1, the valve body 1 entrance end at the side of ball 2 is equipped with mounting seat 3.

[0030] Mounting seat 3 is annular, the side wall of mounting seat 3 away from ball 2 is the ladder structure, is equipped with a plurality of slot 4 on the ladder structure, a plurality of slot 4 are equidistantly arranged on the annular track of mounting seat 3, is equipped with spring 5 with the inner wall connection of valve body 1 in slot 4, the elastic force of spring 5 is the thrust of mounting seat 3 to ball 2 direction. Still be equipped with sealing groove on the ladder structure, is equipped with sealing ring 6 in sealing groove.

[0031] The side wall of mounting seat 3 near ball 2 is equipped with valve seat 9, valve seat 9 is annular, valve seat 9 is RPTFE material (polytetrafluoroethylene glass fiber), the inner side wall of valve seat 9 near ball 2 is equipped with scraper part with ball 2 contact, still be equipped with sealing ring 7 between valve seat 9 and mounting seat 3. Valve seat 9 near ball 2 side is equipped with compression spring 8, and the compression spring 8 is fixed on the inner wall of valve body 1.

[0032] Four balance grooves 11 are formed on the outer wall of the valve seat 9, the four balance grooves 11 are arranged at equal intervals on the circumferential outer wall of the valve seat 9, the balance grooves 11 are V-shaped, and the balance grooves 11 are parallel to the axial direction of the valve seat 9. The mounting seat 3 is provided with four clamping strips 10 corresponding to the balance grooves 11, the four clamping strips 10 are respectively clamped into the four balance grooves 11, the size of the clamping strip 10 is smaller than that of the balance groove 11, that is, the thickness of the clamping strip 10 is smaller than the depth of the balance groove 11, and the width of the clamping strip 10 is smaller than the top opening of the balance groove 11.

[0033] The valve body 1 and the mounting seat 3 are provided with a plugging pipeline, the plugging pipeline comprises an inner pipeline 13 arranged in the mounting seat 3, the inner pipeline 13 is L-shaped, comprising a horizontal segment 131 and a vertical segment 132, the horizontal segment 131 extends to the mounting seat 3 at the lower part of the valve seat 9, and the mounting seat 3 at the lower part of the valve seat 9 is provided with a material injection hole 12 corresponding to the horizontal segment 131. The vertical segment 132 is in communication with the horizontal segment 131, and the top end of the vertical segment 132 extends to the top of the mounting seat 3, and the top end of the vertical segment 132 is an expanded end.

[0034] An outer pipeline 14 is arranged in the valve body 1 above the vertical segment 132 of the inner pipeline 13, the bottom end of the outer pipeline 14 is in communication with the vertical segment 132 of the inner pipeline 13, and the inner diameter of the bottom end of the outer pipeline 14 is smaller than that of the expanded end of the top of the vertical segment 132 of the inner pipeline 13, so that when the mounting seat 3 is displaced, the bottom end of the outer pipeline 14 is always in the expanded end. A connecting hole 15 is coaxially arranged at the top of the outer pipeline 14, and the connecting hole 15 is a threaded hole. An injection pipe 16 is in communication in the outer pipeline 14, the injection pipe 16 is threadedly connected with the connecting hole 15, and a hand valve is arranged on the injection pipe 16.

[0035] When the inner leakage does not occur, the valve works normally, when the inner leakage occurs, the pipeline for injecting sealant is communicated with the injection pipe 16, then the hand valve is opened, and the sealant injected through the pipeline can quickly fill the inside of the valve, so that the inner leakage is further avoided from being serious, and the material leakage is avoided from damaging the inside of the valve, in addition, a plurality of balance grooves 11 are uniformly arranged on the valve seat 9, when the valve seat 9 loses balance due to the opening and closing of the valve, the arrangement of the balance grooves 11 enables the valve seat 9 to uniformly deform as a whole, so that the local stress is avoided from being too large to cause the outward movement or deformation.

[0036] The above embodiment is only a preferred embodiment of the utility model, and is not a limitation on the technical scheme of the utility model, and any technical scheme realized on the basis of the above embodiment without creative labor should be regarded as falling within the protection scope of the utility model patent.

Claims

1. A valve leak-off structure, characterized by, The utility model relates to a valve body, a ball, a mounting seat, a valve seat, wherein the valve body and the mounting seat are provided with a leak stop pipeline, the leak stop pipeline comprises an inner pipeline provided in the mounting seat and an outer pipeline provided in the valve body, the inner pipeline and the outer pipeline are communicated, the mounting seat on the side of the valve seat is provided with an injection hole communicated with the inner pipeline, the outer pipeline is communicated with an injection pipe, and the injection pipe is provided with a valve. The inner pipeline is L-shaped and comprises a horizontal segment and a vertical segment communicated with each other, the injection hole is communicated with the horizontal segment, the vertical segment extends upward to the top of the mounting seat, and the outer pipeline is vertically arranged above the vertical segment of the inner pipeline and communicated with the vertical segment. The top end of the vertical segment is an expanded end, and the inner diameter of the bottom end of the outer pipeline is smaller than that of the expanded end of the top of the vertical segment of the inner pipeline. The top of the outer pipeline is coaxially provided with a connecting hole, the connecting hole is a threaded hole, and the injection pipe is screwed with the connecting hole. The valve seat is annular, the inner side wall of the valve seat close to the ball is provided with a scraper part in contact with the ball, the outer wall of the valve seat is provided with a plurality of balance grooves, and the plurality of balance grooves are arranged at equal intervals on the circumferential outer wall of the valve seat. The balance grooves are V-shaped and are parallel to the axial direction of the valve seat.

2. The valve leakoff structure according to claim 1, characterized by The mounting seat is provided with a plurality of clamping strips matched with the balance grooves at the corresponding positions, and the size of the clamping strips is smaller than that of the balance grooves.

3. The valve leakoff structure according to claim 2, characterized by The mounting seat is annular, the side wall of the mounting seat away from the ball is a stepped structure, the stepped structure is provided with a sealing groove, and the sealing groove is provided with a sealing ring.

4. The valve leakoff structure according to claim 3, characterized by The stepped structure of the mounting seat is provided with a plurality of grooves, the plurality of grooves are arranged at equal intervals on the annular track of the mounting seat, and the grooves are provided with springs connected with the inner wall of the valve body.

5. The valve leakage structure according to any one of claims 1 to 4, characterized in that The valve seat close to the ball side is provided with a compression spring, the compression spring is fixed to the inner wall of the valve body, and the valve seat and the mounting seat are further provided with a sealing ring.

6. The valve leakoff structure according to claim 5, characterized by ​ 7. The valve leakoff structure according to claim 6, characterized by ​ 8. The valve leakoff structure according to claim 7, characterized by ​ 9. The valve leakoff structure according to claim 8, characterized by ​ 10. The valve leakoff structure according to claim 9, characterized by ​

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