CN217422210U

CN217422210U - Anti-leakage valve

Info

Publication number: CN217422210U
Application number: CN202123278471.3U
Authority: CN
Inventors: 官国林
Original assignee: Guangdong Yuechuan Technology Co ltd
Current assignee: Hubei Zhengnengliang Gas Co.,Ltd.
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-09-13
Anticipated expiration: 2031-12-24

Abstract

The utility model discloses a prevent leaking valve, including valve body and valve gap, the upper end of valve body is provided with the valve gap, the valve body passes through bolt fixed connection with the valve gap, the inboard of the crossing department of valve body and valve gap is provided with the rubber circle, the both ends of the crossing department of valve body and valve gap respectively are provided with a connecting piece, the utility model discloses in be provided with spring assembly for the inside at the valve clack through the valve clack change with traditional integral type structure, like this when the screw rod extrudees the valve clack, can compress through the inside spring assembly of valve clack to avoided valve clack upper end and lower extreme because the phenomenon of deformation appears in the extrusion, solved current valve clack and leaded to the problem of deformation under long-time extrusion many times.

Description

Anti-leakage valve

Technical Field

The utility model belongs to the technical field of the valve is relevant, concretely relates to prevent leaking valve.

Background

The stop valve is also called as a stop valve, is the most widely used valve, is popular because the friction force between sealing surfaces is small in the opening and closing process, is durable, the opening height is small, the manufacture is easy, the maintenance is convenient, the stop valve is suitable for medium and low pressure and high pressure, and the closing principle of the stop valve depends on the pressure of a valve rod to enable the sealing surface of a valve clack to be tightly attached to the sealing surface of a valve seat to prevent the medium from flowing.

The existing three-way stop valve technology has the following problems: when the existing three-way stop valve is used, the valve clack is of an integrated structure, so that when the three-way stop valve is closed, the valve clack can deform due to repeated extrusion of an upper end screw rod, and therefore the phenomenon of water leakage caused by untight sealing can be caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent leaking valve to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a leakproof valve comprises a valve body and a valve cover, wherein the valve cover is arranged at the upper end of the valve body, the valve body is fixedly connected with the valve cover through a bolt, the inner side of the intersection of the valve body and the valve cover is provided with a rubber ring, two ends of the intersection of the valve body and the valve cover are respectively provided with a connecting piece, the upper end of the valve body is provided with a limiting rod, the inside of the limiting rod is provided with a packing gland, the inside of the packing gland is provided with a screw rod, a rotating wheel is arranged on the outer side of the upper end of the screw rod, a valve clack is arranged at the bottom end of the screw rod, a sealing gasket is arranged at the bottom end of the valve clack, the valve clack comprises a connecting seat, a connecting plate, a spring assembly, a cover body and a convex column, the bottom end of the connecting seat is provided with the connecting plate, the bottom of connecting plate is provided with spring unit, spring unit's bottom is provided with the lid, the inside axle center department of lid is provided with the projection.

Preferably, the sealing gasket comprises a receiving plate, a buffer member, a screw and a bottom plate, the buffer member is arranged at the bottom end of the receiving plate, the bottom plate is arranged at the bottom end of the buffer member, and the screw is respectively arranged at the left end and the right end of the bottom plate.

Preferably, the valve body is of an I-shaped structure, two through holes are formed in two ends inside the valve body respectively, and the through holes in the two ends of the valve body are a water inlet end and a water outlet end respectively.

Preferably, the screw rod is of a cylindrical structure, a thread groove is formed in the periphery of the outer side of the screw rod, and the screw rod is fixedly connected with the rotating wheel through a bolt.

Preferably, the section diameter of the sealing gasket is larger than that of the valve clack, and the sealing gasket is of a circular ring body structure with a hollow inner part.

Preferably, the packing gland is of a hollow structure, and sealing materials are arranged at the intersection of the interior of the packing gland and the screw rod.

Compared with the prior art, the utility model provides a prevent leaking valve possesses following beneficial effect:

(1) the utility model changes the traditional valve clack with an integrated structure into the existing spring component arranged inside the valve clack, so that when the valve clack is extruded by a screw rod, the spring component inside the valve clack can be compressed, thereby avoiding the deformation phenomenon of the upper end and the lower end of the valve clack due to extrusion and solving the problem that the existing valve clack is deformed under long-time multiple extrusion;

(2) the utility model discloses in be provided with the bolster through the inside at sealed the pad, like this when the valve clack with sealed pad mutual contact, can reduce the effort between sealed pad and the valve clack through the buffering subassembly, the sealed cross-sectional diameter who fills up is greater than the cross-sectional diameter of valve clack moreover, like this when valve clack and sealed pad mutual contact, the inside projection of valve clack and the sealed inside axle center of pad department hole mutual contact to can improve holistic leakproofness.

Drawings

FIG. 1 is a schematic sectional view of the adjustable three-way stop valve of the present invention;

FIG. 2 is a schematic sectional view of the gasket of the present invention;

FIG. 3 is a schematic view of the front view structure of the valve flap of the present invention;

in the figure: 1. a gasket; 11. a bearing plate; 12. a buffer member; 13. a screw; 14. a base plate; 2. a valve body; 3. a rubber ring; 4. a valve cover; 5. a limiting rod; 6. packing gland; 7. a rotating wheel; 8. a screw; 9. a valve flap; 91. a connecting seat; 92. a connecting plate; 93. a spring assembly; 94. a cover body; 95. a convex column; 10. a connecting member.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1-3, the present invention provides a technical solution: a leakproof valve comprises a valve body 2 and a valve cover 4, wherein the valve cover 4 is arranged at the upper end of the valve body 2, the valve body 2 is in an I-shaped structure, two through holes are respectively arranged at two ends inside the valve body 2 so as to enable water source to flow, the through holes at two ends of the valve body 2 are respectively a water inlet end and a water outlet end, the valve body 2 is fixedly connected with the valve cover 4 through bolts, a rubber ring 3 is arranged at the inner side of the intersection of the valve body 2 and the valve cover 4, two connecting pieces 10 are respectively arranged at two ends of the intersection of the valve body 2 and the valve cover 4, a limiting rod 5 is arranged at the upper end of the valve body 2, a packing gland 6 is arranged inside the limiting rod 5, the packing gland 6 is in a hollow structure, a sealing material is arranged at the intersection of the inside of the packing gland 6 and a screw rod 8, so that a sealing effect can be achieved, a screw rod 8 is arranged inside the packing gland 6, the screw rod 8 is in a cylindrical structure, a thread groove is arranged on the periphery of the outside of the screw rod 8, thereby better fixed connection can be realized, the screw rod 8 is fixedly connected with the rotating wheel 7 through a bolt, the rotating wheel 7 is arranged on the outer side of the upper end of the screw rod 8, the valve clack 9 is arranged at the bottom end of the valve clack 9, the sealing gasket 1 is arranged at the bottom end of the valve clack 9, the section diameter of the sealing gasket 1 is larger than that of the valve clack 9, thereby better avoiding the leakage phenomenon, the sealing gasket 1 is of a circular ring body structure with a hollow inner part, the sealing gasket 1 comprises a bearing plate 11, a buffer member 12, a screw 13 and a bottom plate 14, the buffer member 12 is arranged at the bottom end of the bearing plate 11, thereby better achieving the buffer effect through the arrangement of the buffer member 12, the bottom plate 14 is arranged at the bottom end of the buffer member 12, the screw 13 is respectively arranged at the left end and the right end of the bottom plate 14, the valve clack 9 comprises a connecting seat 91, a connecting plate 92, a spring assembly 93, a cover body 94 and a convex column 95, the connecting plate 92 is arranged at the bottom end of the connecting seat 91, a spring assembly 93 is arranged at the bottom end of the connecting plate 92, a cover body 94 is arranged at the bottom end of the spring assembly 93, and a convex column 95 is arranged at the axis inside the cover body 94.

The utility model discloses a theory of operation and use flow: when the stop valve is used, the stop valve is taken out at first, then the valve body 2 in the stop valve is fixedly connected with a pipeline through a flange, after the connection is tight, the water source in the pipeline is communicated, so the water source can flow from the valve body 2 in the stop valve, if the flow of the water source needs to be stopped, a user rotates the rotating wheel 7 clockwise at the moment to drive the screw rod 8 to move downwards, the valve clack 9 is driven to move towards the direction of the sealing gasket 1 under the action of the screw rod 8, so the valve clack 9 can be contacted with the sealing gasket 1, the water flow in the valve body 2 is blocked, the flow of the water source is avoided, and when the valve clack 9 is contacted with the sealing gasket 1, the spring component 93 is arranged in the valve clack 9, so the spring component 93 can be compressed, the deformation phenomenon of the valve clack 9 is avoided, and the sealing gasket 1 is under the pressure action, the inside bolster 12 of sealed 1 of filling up receives the compression to can be inseparabler with the contact of valve clack 9, when the flow that needs the water source, at this moment the user anticlockwise rotation runner 7, thereby drive screw rod 8 and keep away from sealed 1 motion and can make valve clack 9 and sealed 1 looks mutual separation of filling up like this, the water source will flow from the breach department of valve clack 9 and sealed 1 of filling up like this.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A prevent leaking valve, includes valve body (2) and valve gap (4), its characterized in that: the upper end of valve body (2) is provided with valve gap (4), bolt fixed connection is passed through with valve gap (4) in valve body (2), the inboard of crossing department with valve gap (4) of valve body (2) is provided with rubber ring (3), the both ends of crossing department with valve gap (4) in valve body (2) respectively are provided with one connecting piece (10), the upper end of valve body (2) is provided with gag lever post (5), the inside of gag lever post (5) is provided with packing gland (6), the inside of packing gland (6) is provided with screw rod (8), the upper end outside of screw rod (8) is provided with runner (7), the bottom of screw rod (8) is provided with valve clack (9), the bottom of valve clack (9) is provided with sealed pad (1), the constitution of valve clack (9) is including connecting seat (91), connecting plate (92), spring unit (93), The connecting device comprises a cover body (94) and a convex column (95), a connecting plate (92) is arranged at the bottom end of the connecting seat (91), a spring assembly (93) is arranged at the bottom end of the connecting plate (92), the cover body (94) is arranged at the bottom end of the spring assembly (93), and the convex column (95) is arranged at the axis inside the cover body (94).

2. A leak-resistant valve as defined in claim 1 wherein: the sealing pad (1) comprises a bearing plate (11), a buffer element (12), screws (13) and a bottom plate (14), wherein the buffer element (12) is arranged at the bottom end of the bearing plate (11), the bottom plate (14) is arranged at the bottom end of the buffer element (12), and the screws (13) are respectively arranged at the left end and the right end of the bottom plate (14).

3. A leak-resistant valve as defined in claim 1 wherein: the water inlet valve is characterized in that the valve body (2) is of an I-shaped structure, two through holes are formed in two ends of the interior of the valve body (2), and the through holes in the two ends of the valve body (2) are respectively a water inlet end and a water outlet end.

4. A leak-resistant valve as defined in claim 1, wherein: the screw rod (8) is of a cylindrical structure, a thread groove is formed in the periphery of the outer side of the screw rod (8), and the screw rod (8) is fixedly connected with the rotating wheel (7) through bolts.

5. A leak-resistant valve as defined in claim 1 wherein: the section diameter of the sealing gasket (1) is larger than that of the valve clack (9), and the sealing gasket (1) is of a hollow annular structure.

6. A leak-resistant valve as defined in claim 1, wherein: packing gland (6) are inside hollow structure, the crossing department of the inside of packing gland (6) and screw rod (8) is provided with sealing material.