CN210510302U

CN210510302U - Bellows stop valve prevent leaking structure

Info

Publication number: CN210510302U
Application number: CN201921477305.6U
Authority: CN
Inventors: 卓建全
Original assignee: Hangzhou Tyco Valve Technology Co Ltd
Current assignee: Hangzhou Tyco Valve Technology Co Ltd
Priority date: 2019-09-06
Filing date: 2019-09-06
Publication date: 2020-05-12
Anticipated expiration: 2029-09-06

Abstract

The utility model discloses a bellows stop valve prevent leaking structure, the water control valve comprises a valve body, water inlet port and water outlet port have been seted up respectively to the valve body bottom left and right sides, and valve body inner chamber bottom integration is provided with sealed overlap joint platform, is located sealed overlap joint bench activity driving fit is pegged graft there is the rubber piston post. The utility model discloses a twist with the screw lead screw and close and be fixed with the nut bottom the lower plate, when the later stage need demolish the change rubber piston post, demolish the nut of lower plate bottom, then can take out rubber piston post from the rectangle pole, convenient and fast, the later stage can be changed rubber piston post cost alone and lower.

Description

Bellows stop valve prevent leaking structure

Technical Field

The utility model relates to a bellows stop valve technical field specifically is a bellows stop valve prevents leaking structure.

Background

At present, a stop valve is also called a stop valve, and belongs to a forced sealing type valve, so when the valve is closed, pressure must be applied to a valve clack to prevent leakage of a forced sealing surface, a valve rod of the existing corrugated pipe stop valve is of an equal-diameter structure, therefore, when the valve rod rises, a sealing effect cannot be well achieved, a rubber piston is not convenient to replace, and the use cost of the whole valve core is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bellows stop valve prevent leaking the structure, solved the problem that proposes among the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a leakage-proof structure of a corrugated pipe stop valve comprises a valve body, wherein a water inlet port and a water outlet port are respectively formed in the left side and the right side of the bottom of the valve body, a sealing lapping table is integrally arranged at the bottom of an inner cavity of the valve body, and a rubber piston column is movably, closely and spliced on the sealing lapping table;

a rectangular through hole is vertically formed in the middle of the rubber piston column, a rectangular rod is inserted into the rectangular through hole, and a threaded screw rod is vertically and fixedly connected to the middle of the lower end of the rectangular rod; the bottom of the rubber piston column is attached with a lower clamping plate, a threaded screw rod movably penetrates through the middle part of the lower clamping plate, and a nut is fixed at the bottom of the lower clamping plate and the threaded screw rod in a screwing mode;

the upper end face of the rectangular rod is fixedly connected with an upper clamping plate, the middle position of the top of the upper clamping plate is vertically and fixedly connected with an adjusting screw rod, and a valve cover is fixedly covered on the top of the valve body.

As a preferred embodiment of the utility model, adjusting screw, punch holder, rectangle pole, lower plate, screw lead screw and nut are the galvanizing treatment.

As a preferred embodiment of the present invention, the length of the rectangular rod is three-fourths of the depth of the rectangular through hole.

As the utility model discloses a preferred embodiment, the vertical screw hole of seting up in valve gap middle part, accommodate the lead screw closes with the screw hole is twisted and is run through.

As a preferred embodiment of the present invention, the adjusting screw has a handle fixedly connected to the upper end surface thereof.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a twist with the screw lead screw and close and be fixed with the nut bottom the lower plate, when the later stage need demolish the change rubber piston post, demolish the nut of lower plate bottom, then can take out rubber piston post from the rectangle pole, convenient and fast, the later stage can be changed rubber piston post cost alone and lower.

2. The utility model discloses owing to be provided with sealed overlap joint platform in valve body inner chamber bottom integration, be located sealed overlap joint bench activity driving fit is pegged graft and is had rubber piston post, and the leakproofness is better.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic view of the whole structure of the anti-leakage structure of the bellows stop valve of the present invention;

fig. 2 is the schematic view of the valve cover structure of the leakage-proof structure of the bellows stop valve.

In the figure: the valve body 1, the adjusting screw rod 2, the handle 3, the valve cover 4, the upper clamping plate 5, the rubber piston column 6, the water inlet port 7, the sealing overlapping table 8, the nut 9, the threaded screw rod 10, the lower clamping plate 11, the water outlet port 12, the rectangular through hole 13, the rectangular rod 14 and the threaded hole 15.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-2, the present invention provides a technical solution: a leakage-proof structure of a corrugated pipe stop valve comprises a valve body 1, wherein a water inlet port 7 and a water outlet port 12 are respectively formed in the left side and the right side of the bottom of the valve body 1, a sealing lapping table 8 is integrally arranged at the bottom of an inner cavity of the valve body 1, a rubber piston column 6 is movably, closely and spliced on the sealing lapping table 8, the sealing performance is better, the height of the rubber piston column 6 is larger than the left side caliber of the water outlet port 12, the water quantity can be controlled and regulated at any time, and the sealing performance is better;

a rectangular through hole 13 is vertically formed in the middle of the rubber piston column 6, a rectangular rod 14 is inserted into the rectangular through hole 13, and a threaded screw rod 10 is vertically and fixedly connected to the middle of the lower end of the rectangular rod 14; the lower clamping plate 11 is attached to the bottom of the rubber piston column 6, the threaded screw rod 10 movably penetrates through the middle of the lower clamping plate 11, the nut 9 is fixedly screwed with the threaded screw rod 10 at the bottom of the lower clamping plate 11, when the rubber piston column 6 needs to be removed and replaced in the later period, the nut 9 at the bottom of the lower clamping plate 11 is removed, then the rubber piston column 6 can be drawn out from the rectangular rod 14, the operation is convenient and rapid, and the cost for independently replacing the rubber piston column 6 in the later period is lower;

an upper clamping plate 5 is fixedly connected to the upper end face of the rectangular rod 14, an adjusting screw rod 2 is vertically and fixedly connected to the middle position of the top of the upper clamping plate 5, and a valve cover 4 is fixedly covered on the top of the valve body 1.

In the embodiment, the adjusting screw rod 2, the upper clamping plate 5, the rectangular rod 14, the lower clamping plate 11, the threaded screw rod 10 and the nut 9 are all subjected to galvanizing treatment, so that the corrosion situation is avoided.

In this embodiment, the length of the rectangular rod 14 is three-quarters of the depth of the rectangular through hole 13.

In this embodiment, a threaded hole 15 is vertically formed in the middle of the valve cover 4, and the adjusting screw rod 2 is screwed with the threaded hole 15 and penetrates through the threaded hole, and the screwing mode is similar to the screwing mode of a bolt and a nut.

In this embodiment, adjusting screw 2 up end fixedly connected with handle 3 makes things convenient for operating personnel to rotate adjusting screw 2 through using handle 3, convenient and fast.

When the leak-proof structure of bellows stop valve used, need explain, the utility model relates to a leak-proof structure of bellows stop valve, including valve body 1, accommodate the lead screw 2, handle 3, valve gap 4, punch holder 5, rubber piston post 6, water inlet port 7, sealed overlap joint platform 8, nut 9, screw lead screw 10, lower plate 11, water outlet port 12, rectangle opening 13, rectangle pole 14, screw hole 15, the part is the part that universal standard spare or technical personnel in the field know, and its structure and principle all can learn through the technical manual or learn through conventional experimental method for this technical personnel.

When the valve is used, the bottom of the inner cavity of the valve body 1 is integrally provided with the sealing overlapping table 8, the rubber piston column 6 is movably, closely and spliced on the sealing overlapping table 8, the sealing performance is better, the height of the rubber piston column 6 is larger than the left-side caliber of the water outlet port 12, the lifting of the rubber piston column 6 in the inner cavity of the valve body 1 can be ensured at any time through rotation, the sealing performance is better, the rectangular rod 14 is inserted in the rectangular through hole 13, and the middle part of the lower end of the rectangular rod 14 is vertically and fixedly connected with the threaded screw rod; 6 bottoms laminating of rubber piston post has lower plate 11, and the activity of screw lead screw 10 runs through in 11 middle parts of lower plate, and 11 bottoms of lower plate are screwed with screw lead screw 10 and are fixed with nut 9, and when the later stage need be demolishd and change rubber piston post 6, demolish nut 9 bottom 11 of lower plate, then can take out rubber piston post 6 from rectangular rod 14, convenient and fast, 6 costs are lower for the later stage can change rubber piston post alone.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a bellows stop valve's leak protection structure, includes valve body (1), its characterized in that: the left side and the right side of the bottom of the valve body (1) are respectively provided with a water inlet port (7) and a water outlet port (12), the bottom of the inner cavity of the valve body (1) is integrally provided with a sealing lapping table (8), and a rubber piston column (6) is movably, closely and spliced on the sealing lapping table (8);

a rectangular through hole (13) is vertically formed in the middle of the rubber piston column (6), a rectangular rod (14) is inserted into the rectangular through hole (13), and a threaded screw rod (10) is vertically and fixedly connected to the middle of the lower end of the rectangular rod (14); a lower clamping plate (11) is attached to the bottom of the rubber piston column (6), a threaded screw rod (10) movably penetrates through the middle of the lower clamping plate (11), and a nut (9) is fixed to the bottom of the lower clamping plate (11) and the threaded screw rod (10) in a screwing mode;

the upper end face of the rectangular rod (14) is fixedly connected with an upper clamping plate (5), the middle position of the top of the upper clamping plate (5) is vertically and fixedly connected with an adjusting screw rod (2), and the top of the valve body (1) is fixedly covered with a valve cover (4).

2. A leak prevention structure of a bellows stop valve according to claim 1, characterized in that: the adjusting screw rod (2), the upper clamping plate (5), the rectangular rod (14), the lower clamping plate (11), the threaded screw rod (10) and the nut (9) are all subjected to galvanization.

3. A leak prevention structure of a bellows stop valve according to claim 1, characterized in that: the length of the rectangular rod (14) is three-quarters of the depth of the rectangular through hole (13).

4. A leak prevention structure of a bellows stop valve according to claim 1, characterized in that: the middle part of the valve cover (4) is vertically provided with a threaded hole (15), and the adjusting screw rod (2) is screwed with the threaded hole (15) to penetrate through the threaded hole.

5. A leak prevention structure of a bellows stop valve according to claim 1, characterized in that: and the upper end surface of the adjusting screw rod (2) is fixedly connected with a handle (3).