CN217056380U

CN217056380U - Corrosion-resistant stop valve of high sealing performance

Info

Publication number: CN217056380U
Application number: CN202220537609.2U
Authority: CN
Inventors: 缪翠琴
Original assignee: Yancheng Zhengshun Machinery Manufacturing Co ltd
Current assignee: Yancheng Zhengshun Machinery Manufacturing Co ltd
Priority date: 2022-03-10
Filing date: 2022-03-10
Publication date: 2022-07-26
Anticipated expiration: 2032-03-10

Abstract

The utility model provides a high sealing performance's corrosion-resistant stop valve, including valve body, valve gap and valve rod, be equipped with the rivers passageway in the valve body, valve rod bottom fixed connection valve clack, the upper end week side of valve clack encircles and is equipped with the sealing washer, and the valve clack is fitted with a contraceptive ring and is equipped with the rubber circle. The utility model discloses in, valve clack upper end week side ring is equipped with the sealing washer, and the valve clack is fitted with a contraceptive ring and is equipped with the rubber circle, and after the rivers passageway was plugged up to the valve clack, the sealing washer can improve the peripheral leakproofness of valve clack, and the rubber circle can improve the leakproofness to the rivers passageway, and then improves the leakproofness of whole stop valve.

Description

Corrosion-resistant stop valve of high sealing performance

Technical Field

The utility model relates to the technical field of valves, specifically be a high sealing performance's corrosion-resistant stop valve.

Background

The stop valve, also called stop valve, is one of the most widely used valves, and it is popular because the friction between the sealing surfaces is small in the opening and closing process, it is durable, the opening height is not large, it is easy to manufacture, it is convenient to maintain, it is not only suitable for middle and low pressure, but also for high pressure.

The utility model with the publication number of CN206274077U discloses a stop valve with good sealing performance, which comprises a valve body, a valve cover and a valve rod, the valve cover is fixedly connected with the valve body through threads, a sealing rubber ring is arranged at the bottom end of the joint of the valve cover and the valve body, a gasket is arranged at the top end of the joint of the valve cover and the valve body, the sealing rubber ring is arranged in the valve body, the gasket is arranged at the edge of the inner ring at the top end of the valve body, the lower end of the valve rod penetrates through the valve cover and extends into the valve body, the middle part of the valve rod is provided with an external thread at a lower position, the valve rod is connected with the valve cover through the thread, the upper part of the valve cover is connected with a pressing cap through threads, a sealing groove is arranged inside the joint of the valve cover and the pressing cap, the valve rod is located the part of clamping cap and is equipped with the clamping ring, clamping ring and valve rod integrated into one piece, the below of clamping ring is equipped with the packing seal circle in the clamping cap, the packing seal circle sets up in the seal groove. The utility model discloses waterproof sealing nature is good, and the outward appearance is pleasing to the eye, makes simply.

However, the technical solution in the above utility model still has room for improvement: the leakproofness of stop valve is its important performance, and the nature of leakproofness is decided the performance of stop valve, can improve the leakproofness of stop valve through carrying out technological improvement to the valve clack in this utility model.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high sealing performance's corrosion-resistant stop valve to solve the problem that proposes in the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a high sealing performance's corrosion-resistant stop valve, includes valve body, valve gap and valve rod, be equipped with the rivers passageway in the valve body, valve rod bottom fixed connection valve clack, the upper end week side ring of valve clack is equipped with the sealing washer, the valve clack is fitted with a contraceptive ring and is equipped with the rubber circle.

The water flow channel is of an inverted trapezoidal structure.

And an annular sealing gasket is attached to the inner side wall of the water flow channel.

And the upper part of the water flow channel is fixedly provided with an annular baffle along the periphery.

The terminal surface on valve rod top is opened there are six recesses, the bottom of hand wheel be with six posts of six recess looks adaptations, the hand wheel passes through six posts in the bottom and inserts in six recesses.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is:

1. in the utility model, the sealing ring is arranged around the upper end of the valve clack, the rubber ring is arranged on the valve clack, after the valve clack blocks the water flow channel, the sealing ring can improve the sealing performance of the periphery of the valve clack, and the rubber ring can improve the sealing performance of the water flow channel, thereby improving the sealing performance of the whole stop valve;

2. in the utility model, the upper part of the water flow channel is fixedly provided with the annular baffle along the periphery, and after the valve clack blocks the water flow channel, the rubber ring is matched with the annular baffle, thereby further improving the sealing property;

3. the utility model discloses in, the terminal surface on valve rod top is opened there are six recesses, the bottom of hand wheel be with six face posts of six face recess looks adaptations, the hand wheel passes through six face posts in the bottom insert six face recesses, then the hand wheel can be followed the valve rod and dismantled down, guarantees the security of stop valve switch.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:

fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;

fig. 2 is a schematic view of a sealing ring circumferentially arranged on the upper end of a valve flap in embodiment 1 of the present invention;

fig. 3 is a schematic structural diagram of embodiment 2 of the present invention;

FIG. 4 is an enlarged view at A in FIG. 3;

fig. 5 is an enlarged view at B in fig. 3.

In the figure: 1, a valve body; 2, a valve cover; 3, a valve rod; 4, a water flow channel; 5 valve clack; 6, sealing rings; 7, a rubber ring; 8 an annular sealing gasket; 9 an annular baffle plate; 10 six grooves; 11 a hand wheel; 12 six-sided column.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

Example 1

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a high sealing performance's corrosion-resistant stop valve, includes valve body 1, valve gap 2 and valve rod 3, is equipped with rivers passageway 4 in the valve body 1, 3 bottom fixed connection valve clacks 5 of valve rod, and the upper end week side of valve clack 5 encircles and is equipped with sealing washer 6, and valve clack 5 is fitted with a contraceptive ring and is equipped with rubber circle 7.

The water flow channel 4 is of an inverted trapezoidal structure.

An annular sealing gasket 8 is stuck on the inner side wall of the water flow channel 4.

Example 2

Referring to fig. 3-5, the upper part of the water flow channel 4 is fixedly provided with an annular baffle 9 along the circumference;

the terminal surface on valve rod 3 top is opened has six recesses 10, and the bottom of hand wheel 11 is six posts 12 with six recesses 10 looks adaptation, and hand wheel 11 passes through bottom six posts 12 and inserts in six recesses 10.

It should be noted that relational terms such as first and second, and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 above, 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 high sealing performance's corrosion-resistant stop valve, includes valve body (1), valve gap (2) and valve rod (3), be equipped with rivers passageway (4) in valve body (1), valve rod (3) bottom fixed connection valve clack (5), its characterized in that: the upper end week side ring of valve clack (5) is equipped with sealing washer (6), valve clack (5) are fitted with a contraceptive ring and are equipped with rubber circle (7).

2. The high sealing performance corrosion resistant shut-off valve of claim 1, wherein: the water flow channel (4) is of an inverted trapezoidal structure.

3. The high sealing performance corrosion resistant shut-off valve of claim 1, wherein: an annular sealing gasket (8) is attached to the inner side wall of the water flow channel (4).

4. The high sealing performance corrosion resistant shut-off valve of claim 1, wherein: and the upper part of the water flow channel (4) is fixedly provided with an annular baffle (9) along the periphery.

5. The high sealing performance corrosion resistant shut-off valve of claim 1, wherein: the terminal surface on valve rod (3) top is opened has six recesses (10), the bottom of hand wheel (11) be with six posts (12) of six recesses (10) looks adaptation, hand wheel (11) insert through six posts (12) in the bottom six recesses (10).