CN213064648U

CN213064648U - Connect stable valve seal pair

Info

Publication number: CN213064648U
Application number: CN202020804466.8U
Authority: CN
Inventors: 曹阳
Original assignee: Xinghua Sanshi Casting Co ltd
Current assignee: Xinghua Sanshi Casting Co ltd
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2021-04-27
Anticipated expiration: 2030-05-14

Abstract

The utility model relates to the technical field of valves, and a connect stable valve seal pair is disclosed, including valve body and spring, the circulation groove has been run through to the inside of valve body, the valve body has been close to the top middle part of circulation groove and has been seted up the bull stick groove, the bull stick has been run through to the inside in bull stick groove, the one end that the bull stick is located the circulation inslot is fixed with the butterfly plate, the butterfly plate rotates with the valve body in the circulation inslot and is connected. This connect stable valve seal pair, locating lever and constant head tank through setting up, when the locating lever gets into the inside in locating lever groove completely, the spring is in compression state, when butterfly plate convection current groove seals, make the locating lever groove just align with the constant head tank, the spring drives the inside that the locating lever got into the constant head tank, fix the bull stick, avoid the bull stick to continue to rotate, fix the angle of butterfly plate, it is rotatory to avoid the butterfly plate to be driven self by the high pressure water, can effectual reinforcing valve seal pair connection stability.

Description

Connect stable valve seal pair

Technical Field

The utility model relates to the technical field of valves, specifically be a connect stable valve seal vice.

Background

The valve sealing pair and the kinematic pair are a pair of concepts, the sealing pair has the function of ensuring the sealing effect, the kinematic pair has the function of realizing on-off control, and the sealing pair relates to the sealing concept, and the sealing pair is a part or measure for preventing fluid or solid particles from leaking from the adjacent joint surfaces and preventing external impurities such as dust, moisture and the like from invading into the interior of machine equipment.

Although the types and the number of the existing valve sealing pairs are very large, the existing valve sealing pairs still have certain problems and bring certain inconvenience to the use of the valve sealing pairs.

When the existing valve sealing pair is used, a flow surface is sealed through the butterfly plate, but when hydraulic pressure is large, the butterfly plate is easy to rotate, seepage is caused, and when the sealing pair is used for sealing, connection is unstable and the sealing pair is inconvenient to use, so that the technology capable of improving the structure of the valve sealing pair is urgently needed to perfect the device.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a connect stable valve seal is vice, has solved current valve seal and is vice when using, seals the circulation face through the butterfly plate, nevertheless when hydraulic pressure is great, makes the butterfly plate take place to rotate easily, leads to the seepage flow, and sealed pair is when sealing up, connects unstable, the problem of inconvenient use.

The utility model provides a following technical scheme: a stably connected valve seal pair comprises a valve body and a spring, wherein a circulation groove penetrates through the valve body, a rotating rod groove is formed in the middle of the top end, close to the circulation groove, of the valve body, a rotating rod penetrates through the inside of the rotating rod groove, a butterfly plate is fixed at one end, located in the circulation groove, of the rotating rod, the butterfly plate is rotatably connected with the valve body in the circulation groove, a transmission groove is formed in the top, close to the rotating rod groove, of the valve body, a first gear is fixed at one end, located in the transmission groove, of the rotating rod, a transmission rod penetrates through the vertical face, close to the transmission groove, of one side of the valve body, a second gear is fixed at one side, close to the first gear, of the transmission rod, a rotating handle is fixed at one end, far away from the first gear, of the transmission rod, a sealing ring is sleeved at one side, located in the rotating rod groove, of the valve body, a positioning rod groove is formed in one, the valve body is close to the one end intercommunication in locating lever groove has the pull rod groove, the spring is located the inside in locating lever groove, one side that the spring is close to the bull stick groove is fixed with the locating lever, one side that the locating lever is close to the pull rod groove is fixed with the pull rod, the one end that the locating lever was kept away from to the pull rod runs through the inside in pull rod groove and extends to the outside.

Preferably, the butterfly plate is in a shape of a circular plate, and the outer diameter of the butterfly plate is matched with the inner diameter of the circulation groove.

Preferably, the first gear and the second gear are perpendicular to each other, the tooth pitches of the first gear and the second gear are equal, and the first gear and the second gear form a meshing structure.

Preferably, the sealing ring is made of rubber materials, and the outer diameter of the sealing ring is matched with the inner diameter of the rotating rod groove.

Preferably, the positioning rod groove is communicated with the positioning groove, and the positioning rod groove and the positioning groove are positioned at the same horizontal height of the valve body.

Preferably, the locating lever passes through the spring and constitutes elastic connection with the valve body, and the locating lever is the cylinder to the external diameter of locating lever is identical with the internal diameter of constant head tank.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this connect stable valve seal pair, locating lever and constant head tank through setting up, when the locating lever gets into the inside in locating lever groove completely, the spring is in compression state, when butterfly plate convection current groove seals, make the locating lever groove just align with the constant head tank, the spring drives the inside that the locating lever got into the constant head tank, fix the bull stick, avoid the bull stick to continue to rotate, fix the angle of butterfly plate, it is rotatory to avoid the butterfly plate to be driven self by the high pressure water, can effectual reinforcing valve seal pair connection stability.

2. This connect stable valve seal is vice, through setting up the sealing washer, the bull stick passes through the sealing washer and closely laminates with bull stick inslot wall, seals between bull stick and the bull stick groove through the sealing washer, avoids rivers to enter into the inside in bull stick groove.

Drawings

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

FIG. 2 is a schematic view of a partial enlarged structure at A in FIG. 1 according to the present invention;

fig. 3 is a schematic side view of the present invention.

In the figure: 1. a valve body; 2. a circulation tank; 3. a rotating rod groove; 4. a rotating rod; 5. a butterfly plate; 6. a transmission groove; 7. a first gear; 8. a transmission rod; 9. a second gear; 10. rotating the handle; 11. a seal ring; 12. a positioning rod groove; 13. positioning a groove; 14. a pull rod groove; 15. a spring; 16. positioning a rod; 17. a pull rod.

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.

Referring to fig. 1-3, a stably connected valve seal pair includes a valve body 1, a circulation groove 2, a rotation rod groove 3, a rotation rod 4, a butterfly plate 5, a transmission groove 6, a first gear 7, a transmission rod 8, a second gear 9, a rotation handle 10, a seal ring 11, a positioning rod groove 12, a positioning groove 13, a pull rod groove 14, a spring 15, a positioning rod 16 and a pull rod 17, wherein the circulation groove 2 penetrates through the valve body 1, the rotation rod groove 3 is formed in the middle of the top end of the valve body 1 near the circulation groove 2, the rotation rod 4 penetrates through the rotation rod groove 3, the butterfly plate 5 is fixed at one end of the rotation rod 4 in the circulation groove 2, the butterfly plate 5 is in a circular plate shape, the outer diameter of the butterfly plate 5 is matched with the inner diameter of the circulation groove 2, when the valve body 1 needs to be sealed, the butterfly plate 5 is rotated to be attached to the inner wall of the circulation groove 2, the circulation groove 2 is conveniently sealed by the butterfly plate 5, the butterfly plate 5 is rotatably connected with the valve body 1 in the through groove 2, the top of the valve body 1 close to the rotating rod groove 3 is provided with a transmission groove 6, one end of the rotating rod 4 in the transmission groove 6 is fixed with a first gear 7, the first gear 7 is perpendicular to a second gear 9, the tooth pitches of the first gear 7 and the second gear 9 are equal, the first gear 7 and the second gear 9 form a meshing structure, the rotating handle 10 is rotated, the rotating handle 10 drives the second gear 9 to rotate through the transmission rod 8, the second gear 9 drives the first gear 7 to rotate through meshing, the first gear 7 drives the butterfly plate 5 to rotate through the rotating rod 4, the rotating handle 10 drives the butterfly plate 5 to rotate through transmission through the meshing structure formed by the first gear 7 and the second gear 9, a transmission rod 8 penetrates through a vertical plane of one side of the valve body 1 close to the transmission groove 6, one side of the transmission rod 8 close to the first gear 7 is fixed with the second gear 9, a rotating handle 10 is fixed at one end of the transmission rod 8, which is far away from the first gear 7, a sealing ring 11 is sleeved at one side of the rotating rod 4, which is positioned in the rotating rod groove 3, the sealing ring 11 is made of rubber material, the outer diameter of the sealing ring 11 is matched with the inner diameter of the rotating rod groove 3, the rotating rod 4 is tightly attached to the inner wall of the rotating rod groove 3 through the sealing ring 11, the sealing ring 11 seals between the rotating rod 4 and the rotating rod groove 3 to prevent water from entering the inside of the rotating rod groove 3, a positioning rod groove 12 is formed in one side of the valve body 1, which is close to the rotating rod 4, the positioning rod groove 12 is communicated with a positioning groove 13, the positioning rod groove 12 and the positioning groove 13 are positioned at the same horizontal height of the valve body 1, when the butterfly plate 5 seals the flow through groove 2, the positioning rod groove 12 and the positioning groove 13 can be just aligned, so that the positioning rod 16 can, a positioning groove 13 is formed in one side, close to the positioning rod groove 12, of the rotating rod 4, a pull rod groove 14 is communicated with one end, close to the positioning rod groove 12, of the valve body 1, the spring 15 is located inside the positioning rod groove 12, a positioning rod 16 is fixed on one side, close to the rotating rod groove 3, of the spring 15, the positioning rod 16 is elastically connected with the valve body 1 through the spring 15, the positioning rod 16 is cylindrical, the outer diameter of the positioning rod 16 is matched with the inner diameter of the positioning groove 13, when the positioning rod 16 completely enters the positioning rod groove 12, the spring 15 is in a compressed state, when the butterfly plate 5 seals the convection through groove 2, the positioning rod groove 12 is exactly aligned with the positioning groove 13, the spring 15 drives the positioning rod 16 to enter the positioning groove 13, the rotating rod 4 is fixed, the rotating rod 4 is prevented from continuing to rotate, the angle of the butterfly plate 5 is prevented from being driven by high-pressure water to, can effectual reinforcing valve seal pair's connection stability, one side that locating lever 16 is close to pull rod groove 14 is fixed with pull rod 17, the inside that pull rod groove 14 was run through to the outside in the one end that pull rod 17 kept away from locating lever 16.

During operation, stimulate locating lever 16 through pull rod 17, make locating lever 16 shift out constant head tank 13, rotate rotation handle 10, rotation handle 10 drives second gear 9 through transfer line 8 and rotates, second gear 9 drives first gear 7 through the meshing and rotates, make first gear 7 drive the rotation of butterfly plate 5 through bull stick 4, control the 1 liquid flow rate of valve body through the angle of adjustment butterfly plate 5, when butterfly plate 5 seals logical groove 2, make locating lever groove 12 just align with constant head tank 13, spring 15 drives the inside that locating lever 16 got into constant head tank 13, fix transfer lever 4, avoid the continuous rotation of bull stick 4, fix the angle of butterfly plate 5, avoid butterfly plate 5 to be driven self by high pressure water and produce the rotation, can the vice connection stability of effectual reinforcing valve seal.

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 connect stable valve seal pair, includes valve body (1) and spring (15), its characterized in that: a circulation groove (2) penetrates through the valve body (1), a rotating rod groove (3) is formed in the middle of the top end, close to the circulation groove (2), of the valve body (1), a rotating rod (4) penetrates through the inside of the rotating rod groove (3), a butterfly plate (5) is fixed at one end, located in the circulation groove (2), of the rotating rod (4), the butterfly plate (5) is rotatably connected with the valve body (1) in the circulation groove (2), a transmission groove (6) is formed in the top, close to the rotating rod groove (3), of the valve body (1), a first gear (7) is fixed at one end, located in the transmission groove (6), of the rotating rod (4), a transmission rod (8) penetrates through the vertical surface, close to the transmission groove (6), of one side, close to the first gear (7), of the transmission rod (8), a second gear (9) is fixed at one side, close to the first gear (7), of the transmission rod (8), and a rotating handle (10) is fixed at one end, far away from the first gear, the utility model discloses a valve body, including valve body (1), bull stick (4), spring (15), locating lever groove (12), locating lever groove (13), locating lever groove (3), locating lever groove (16), locating lever (16), one side that locating lever (15) are close to, one side cover that bull stick (4) are located bull stick groove (3) has sealing washer (11), valve body (1) is close to one side inside locating lever groove (12) of having seted up of bull stick groove (4), one end intercommunication that valve body (1) is close to locating lever groove (12) has pull rod groove (14), spring (15) are located the inside of locating lever groove (12), one side that spring (15) are close to bull stick groove (3) is fixed with locating lever (16), one side that locating lever (16) are close to pull rod groove (14) is fixed with pull rod (17), the inside that pull rod groove (14) was.

2. A connectively stabilized valve seal set according to claim 1 wherein: the butterfly plate (5) is in a shape of a circular plate, and the outer diameter of the butterfly plate (5) is matched with the inner diameter of the circulation groove (2).

3. A connectively stabilized valve seal set according to claim 1 wherein: the first gear (7) and the second gear (9) are perpendicular to each other, the tooth pitches of the first gear (7) and the second gear (9) are equal, and the first gear (7) and the second gear (9) form a meshing structure.

4. A connectively stabilized valve seal set according to claim 1 wherein: the sealing ring (11) is made of rubber materials, and the outer diameter of the sealing ring (11) is matched with the inner diameter of the rotating rod groove (3).

5. A connectively stabilized valve seal set according to claim 1 wherein: the positioning rod groove (12) is communicated with the positioning groove (13), and the positioning rod groove (12) and the positioning groove (13) are positioned at the same horizontal height of the valve body (1).

6. A connectively stabilized valve seal set according to claim 1 wherein: the positioning rod (16) is elastically connected with the valve body (1) through a spring (15), the positioning rod (16) is cylindrical, and the outer diameter of the positioning rod (16) is matched with the inner diameter of the positioning groove (13).