CN212928845U

CN212928845U - One-way ball valve with good sealing performance

Info

Publication number: CN212928845U
Application number: CN202021967046.8U
Authority: CN
Inventors: 章成忠; 柯松林; 王志强; 张怡; 李敏; 康世屏; 李传彪
Original assignee: SHANGHAI MECCO VALVE CO Ltd
Current assignee: SHANGHAI MECCO VALVE CO Ltd
Priority date: 2020-09-10
Filing date: 2020-09-10
Publication date: 2021-04-09
Anticipated expiration: 2030-09-10

Abstract

The utility model discloses a check ball valve that leakproofness is good, which comprises a valve body, the inside swing joint of valve body has the case, the outside of valve body is provided with supporting mechanism, the inside of valve body is provided with protection machanism and filtering mechanism, the top fixedly connected with valve rod of case, the surface of valve rod is provided with stop gear, the top of valve rod extends to the outside and the fixedly connected with handle of valve body, the right side sealing connection of case has the sealing ring, the right side fixedly connected with support ring of sealing ring, the outside of support ring is provided with positioning mechanism, the right side of pressure spring extend to the outside of support ring and with the inner wall fixed connection of valve body. The utility model discloses a set up the pressure spring, closely laminate sealing ring and case to utilize lip seal to come to seal the support ring, avoid liquid to ooze through the gap between support ring and the valve body, improved one-way ball valve's leakproofness.

Description

One-way ball valve with good sealing performance

Technical Field

The utility model relates to an one-way ball valve technical field specifically is a one-way ball valve that leakproofness is good.

Background

The ball valve, the opening and closing piece (spheroid) is driven by the valve stem, and round the valve that the ball valve axis makes rotary motion, 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 control the confluence of medium, reposition of redundant personnel, and the switching of flow direction in a flexible way on the pipeline, also can close arbitrary passageway and make two other passageways link to each other simultaneously.

One-way ball valve is one kind of ball valve, but current one-way ball valve makes one-way ball valve's leakproofness general because inner structure is simple, and one-way ball valve has liquid to carry out the seepage through the contact surface of sealing ring with the ball valve easily at inclosed in-process, leads to one-way ball valve in long-time use, has liquid slow outflow to reduce one-way ball valve's practicality.

SUMMERY OF THE UTILITY MODEL

For solving the problem that provides among the above-mentioned background art, the utility model aims to provide an one-way ball valve that leakproofness is good possesses the advantage that improves one-way ball valve's leakproofness, has solved the not enough problem of current one-way ball valve leakproofness.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a check ball valve that leakproofness is good, includes the valve body, the inside swing joint of valve body has the case, the outside of valve body is provided with supporting mechanism, the inside of valve body is provided with protection machanism and filtering mechanism, the top fixedly connected with valve rod of case, the surface of valve rod is provided with stop gear, the top of valve rod extends to the outside and the fixedly connected with handle of valve body, the right side sealing connection of case has the sealing ring, the right side fixedly connected with support ring of sealing ring, the outside of support ring is provided with positioning mechanism, the inside left side fixedly connected with pressure spring of support ring, the right side of pressure spring extend to the outside of support ring and with the inner wall fixed connection of valve body, the right side fixedly connected with lip seal circle of support ring, the outside of lip seal circle and the.

As the utility model discloses it is preferred, the supporting mechanism is including the strengthening rib and the connecting plate of difference fixed connection on the valve body surface, the right side of strengthening rib and the left side fixed connection of connecting plate.

As the utility model discloses preferred, protection machanism is including seting up the recess on the valve body surface, the inside swing joint of recess has the ball, the inboard of ball and the surface contact of case.

As the utility model discloses preferred, filtering mechanism includes the mounting bracket of fixed connection inside the valve body and on being located the support ring right side, the inboard fixedly connected with filter of mounting bracket.

As the utility model discloses it is preferred, stop gear includes fixed connection and is located the inside spacing ring of valve body on the valve rod surface, the spacing groove that is located the case top is seted up to the inner wall of valve body, the outside of spacing ring extends to the inside of spacing groove.

As the utility model discloses it is preferred, positioning mechanism includes the slider of fixed connection on the supporting ring surface, the spout that is located the case right side is seted up to the inner wall of valve body, the outside of slider extends to the inside of spout.

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

1. the utility model discloses a set up the pressure spring, closely laminate sealing ring and case to utilize lip seal to come to seal the support ring, avoid liquid to ooze through the gap between support ring and the valve body, improved one-way ball valve's leakproofness.

2. The utility model discloses a connecting plate, the person of facilitating the use installs one-way ball valve to utilize the strengthening rib to improve one-way ball valve's bearing capacity, avoid one-way ball valve because receive the produced impact of liquid process, and take place to incline, improved one-way ball valve's stability.

3. The utility model discloses a protection machanism comes to protect the case, avoids case and valve body to take place the friction to make the case receive wearing and tearing, prolonged the life of case, improved one-way ball valve's practicality.

4. The utility model discloses a filtering mechanism comes to filter the liquid through one-way ball valve, avoids impurity to carry for other equipment through one-way ball valve, has improved one-way ball valve's practicality.

5. The utility model discloses a stop gear comes to carry on spacingly to case and valve rod, avoids the case skew to influence check ball valve's leakproofness, improved check ball valve's stability.

6. The utility model discloses a positioning mechanism comes to carry on spacingly to the support ring, avoids the support ring rotation to make the pressure spring take place to warp, improved one-way ball valve's stability.

Drawings

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

FIG. 2 is a schematic front sectional view of the structural valve body of the present invention;

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

fig. 4 is an enlarged structural view of a portion a in fig. 2 according to the present invention.

In the figure: 1. a valve body; 2. a valve core; 3. a support mechanism; 31. reinforcing ribs; 32. a connecting plate; 4. a protection mechanism; 41. a groove; 42. a ball bearing; 5. a filtering mechanism; 51. a mounting frame; 52. a filter plate; 6. a valve stem; 7. a limiting mechanism; 71. a limiting ring; 72. a limiting groove; 8. a handle; 9. a seal ring; 10. a support ring; 11. a positioning mechanism; 111. a slider; 112. a chute; 12. a pressure spring; 13. lip-shaped sealing ring.

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.

As shown in fig. 1 to 4, the utility model provides a pair of check ball valve that leakproofness is good, including valve body 1, the inside swing joint of valve body 1 has case 2, the outside of valve body 1 is provided with supporting mechanism 3, the inside of valve body 1 is provided with protection machanism 4 and filtering mechanism 5, the top fixedly connected with valve rod 6 of case 2, the surface of valve rod 6 is provided with stop gear 7, the top of valve rod 6 extends to the outside and the fixedly connected with handle 8 of valve body 1, the right side sealing connection of case 2 has sealing ring 9, the right side fixedly connected with support ring 10 of sealing ring 9, the outside of support ring 10 is provided with positioning mechanism 11, the inside left side fixedly connected with pressure spring 12 of support ring 10, the right side of pressure spring 12 extend to the outside of support ring 10 and with the inner wall fixed connection of valve body 1, the right side fixedly connected with lip seal 13 of support ring 10, the outside of.

Referring to fig. 2, the support mechanism 3 includes a reinforcing rib 31 and a connecting plate 32 fixedly coupled to the surface of the valve body 1, respectively, and the right side of the reinforcing rib 31 is fixedly coupled to the left side of the connecting plate 32.

As the utility model discloses a technical optimization scheme, through connecting plate 32, the person of facilitating the use installs one-way ball valve to utilize strengthening rib 31 to improve one-way ball valve's bearing capacity, avoid one-way ball valve because receive the produced impact of liquid through the time, and take place to incline, improved one-way ball valve's stability.

Referring to fig. 2, the guard mechanism 4 includes a groove 41 opened on the surface of the valve body 1, a ball 42 is movably connected to the inside of the groove 41, and the inner side of the ball 42 is in contact with the surface of the valve body 2.

As the utility model discloses a technical optimization scheme, through protection machanism 4, comes to protect case 2, avoids case 2 and valve body 1 to take place the friction to make case 2 receive wearing and tearing, prolonged case 2's life, improved check ball valve's practicality.

Referring to fig. 2, the filter mechanism 5 comprises a mounting frame 51 fixedly attached inside the valve body 1 on the right side of the support ring 10, and a filter plate 52 fixedly attached to the inside of the mounting frame 51.

As the utility model discloses a technical optimization scheme, through filtering mechanism 5, comes to filter the liquid through one-way ball valve, avoids impurity to carry for other equipment through one-way ball valve, has improved one-way ball valve's practicality.

Referring to fig. 3, the limiting mechanism 7 includes a limiting ring 71 fixedly connected to the surface of the valve rod 6 and located inside the valve body 1, a limiting groove 72 located at the top of the valve core 2 is formed in the inner wall of the valve body 1, and the outer side of the limiting ring 71 extends to the inside of the limiting groove 72.

As the utility model discloses a technical optimization scheme through stop gear 7, comes to carry on spacingly to case 2 and valve rod 6, avoids case 2 skew to appear to influence check ball valve's leakproofness, improved check ball valve's stability.

Referring to fig. 4, the positioning mechanism 11 includes a sliding block 111 fixedly connected to the surface of the support ring 10, a sliding slot 112 located on the right side of the valve core 2 is opened on the inner wall of the valve body 1, and the outer side of the sliding block 111 extends to the inside of the sliding slot 112.

As a technical optimization scheme of the utility model, through positioning mechanism 11, come to carry on spacingly to support ring 10, avoid support ring 10 to appear rotating to make pressure spring 12 take place to warp, improved one-way ball valve's stability.

The utility model discloses a theory of operation and use flow: during the use, when liquid passes through the check ball valve, pressure spring 12 can promote support ring 10 left, support ring 10 can drive sealing ring 9 and remove left, make sealing ring 9 and case 2 closely laminate, lip seal 13 takes place the deformation under the extrusion of liquid simultaneously, the lip that makes lip seal 13 and support ring 10's surface and the inner wall of valve body 1 closely laminate, thereby seal between support ring 10 and the valve body 1, the leakproofness of check ball valve has finally been strengthened, the practicality of check ball valve has been improved.

In summary, the following steps: this check ball valve that leakproofness is good through setting up pressure spring 12, closely laminates sealing ring 9 and case 2 to utilize lip seal 13 to seal support ring 10, avoid liquid to ooze through the gap between support ring 10 and the valve body 1, improved check ball valve's leakproofness.

It is noted that, herein, 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.

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. The utility model provides a check ball valve that leakproofness is good, includes valve body (1), its characterized in that: the inner part of the valve body (1) is movably connected with a valve core (2), the outer side of the valve body (1) is provided with a supporting mechanism (3), the inner part of the valve body (1) is provided with a protection mechanism (4) and a filtering mechanism (5), the top part of the valve core (2) is fixedly connected with a valve rod (6), the surface of the valve rod (6) is provided with a limiting mechanism (7), the top part of the valve rod (6) extends to the outer part of the valve body (1) and is fixedly connected with a handle (8), the right side of the valve core (2) is hermetically connected with a sealing ring (9), the right side of the sealing ring (9) is fixedly connected with a supporting ring (10), the outer side of the supporting ring (10) is provided with a positioning mechanism (11), the left side of the inner part of the supporting ring (10) is fixedly connected with a pressure spring (12), and the right side of the, the right side fixedly connected with lip seal (13) of support ring (10), the outside of lip seal (13) and the surface contact of valve body (1).

2. The one-way ball valve with good sealing performance as claimed in claim 1, wherein: the supporting mechanism (3) comprises a reinforcing rib (31) and a connecting plate (32) which are respectively and fixedly connected to the surface of the valve body (1), and the right side of the reinforcing rib (31) is fixedly connected with the left side of the connecting plate (32).

3. The one-way ball valve with good sealing performance as claimed in claim 1, wherein: the protection mechanism (4) comprises a groove (41) formed in the surface of the valve body (1), a ball (42) is movably connected inside the groove (41), and the inner side of the ball (42) is in contact with the surface of the valve core (2).

4. The one-way ball valve with good sealing performance as claimed in claim 1, wherein: the filter mechanism (5) comprises a mounting frame (51) fixedly connected to the inside of the valve body (1) and positioned on the right side of the support ring (10), and a filter plate (52) is fixedly connected to the inner side of the mounting frame (51).

5. The one-way ball valve with good sealing performance as claimed in claim 1, wherein: the limiting mechanism (7) comprises a limiting ring (71) fixedly connected to the surface of the valve rod (6) and located inside the valve body (1), a limiting groove (72) located at the top of the valve core (2) is formed in the inner wall of the valve body (1), and the outer side of the limiting ring (71) extends to the inside of the limiting groove (72).

6. The one-way ball valve with good sealing performance as claimed in claim 1, wherein: the positioning mechanism (11) comprises a sliding block (111) fixedly connected to the surface of the support ring (10), a sliding groove (112) located on the right side of the valve core (2) is formed in the inner wall of the valve body (1), and the outer side of the sliding block (111) extends to the inside of the sliding groove (112).