CN211924915U

CN211924915U - Leak-proof butterfly valve

Info

Publication number: CN211924915U
Application number: CN202020326762.1U
Authority: CN
Inventors: 房传健
Original assignee: Tianjin Guruite Machinery Manufacturing Co ltd
Current assignee: Tianjin Guruite Machinery Manufacturing Co ltd
Priority date: 2020-03-16
Filing date: 2020-03-16
Publication date: 2020-11-13
Anticipated expiration: 2030-03-16

Abstract

The utility model relates to the technical field of valve accessories, in particular to a leakage-proof butterfly valve, which is additionally provided with an auxiliary leakage-proof mechanism to seal the switching adjustment part of the butterfly valve, thereby reducing the probability of water leakage at the switching adjustment part of the butterfly valve caused by the abrasion of a sealing washer inside the butterfly valve, and improving the use reliability of the butterfly valve; the butterfly valve comprises a butterfly valve body, wherein an adjusting mechanism is arranged in the top area of the butterfly valve body; still include the controller, gu fixed ring, first supplementary cushion, the supplementary cushion of second, the extrusion ring, push ring, four group's extrusion poles, four group's power spring, the rotating ring, four group's stoppers, fastening screw ring and fastening pipe, the inside of controller is provided with the control chamber, the bottom middle part intercommunication in control chamber is provided with the connecting pipe, adjustment mechanism is provided with the regulating spindle, the inside of rotating ring is provided with rotates the chamber, the top left side of extrusion ring, front side, right side and rear side are provided with four group's standing grooves respectively.

Description

Leak-proof butterfly valve

Technical Field

The utility model relates to a technical field of valve auxiliary device especially relates to a leak protection dish valve.

Background

As is well known, a butterfly valve, also called a flap valve, is a regulating valve with a simple structure, and can be used for on-off control of low-pressure pipeline media, the butterfly valve refers to a valve with a closing member being a disc and rotating around a valve shaft to achieve opening and closing, and mainly plays a role in cutting off and throttling on a pipeline, the butterfly valve opening and closing member is a disc-shaped butterfly plate and rotates around the axis of the butterfly plate in a valve body, so that the opening and closing or the regulating purpose is achieved, and the butterfly valve is suitable for pipelines for conveying various corrosive and non-corrosive fluid media in engineering systems such as producer, gas, natural gas, liquefied petroleum gas, city gas, cold and hot air, chemical smelting, power generation and environment protection and the like, and is used for regulating and cutting off the flow of the; however, in the existing butterfly valve, the phenomenon of water leakage is likely to occur at the opening and closing adjusting part of the butterfly valve due to the abrasion of the sealing washer inside the butterfly valve in long-term use, so that the use reliability of the butterfly valve is reduced, and the practicability is poor.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an it seals the on-off control position of butterfly valve to have add supplementary leak protection mechanism, has consequently reduced because the wearing and tearing of the inside seal ring of butterfly valve make the on-off control position of butterfly valve the probability that the phenomenon of water leakage takes place appears, therefore improved the use reliability of butterfly valve to the leak protection dish valve of reinforcing practicality.

The utility model discloses a leak-proof butterfly valve, which comprises a butterfly valve body, wherein the top area of the butterfly valve body is provided with an adjusting mechanism; the butterfly valve further comprises a controller, a fixing ring, a first auxiliary rubber cushion, a second auxiliary rubber cushion, an extrusion ring, a pushing ring, four groups of extrusion rods, four groups of power springs, a rotating ring, four groups of limiting blocks, a fastening threaded ring and a fastening pipe, wherein a control cavity is arranged in the controller, a connecting pipe is communicated with the middle of the bottom end of the control cavity and welded in the middle of the top end of the butterfly valve body, an adjusting mechanism is arranged at the top end of the controller and provided with an adjusting shaft, the middle area of the adjusting shaft is located in the control cavity, the bottom end of the first auxiliary rubber cushion is connected with the bottom edge area of the control cavity, the fixing ring is fixedly sleeved with the middle area of the adjusting shaft, the fastening pipe is sleeved with the bottom area of the adjusting mechanism, the bottom end of the fastening pipe is connected with the top end of the controller, the outer side wall of the fastening pipe is provided with an outer thread, the top end of the rotating ring is connected with the bottom end of the fastening threaded ring, a rotating cavity is arranged inside the rotating ring, a rotating hole is communicated with the bottom end of the rotating cavity, the four groups of limiting blocks are respectively and rotationally clamped with the left part area, the right part area, the front part area and the rear part area of the rotating cavity, the top ends of the four groups of extrusion rods penetrate through the rotating hole from the lower side of the rotating ring and extend into the rotating cavity, the top ends of the four groups of extrusion rods are respectively connected with the bottom ends of the four groups of limiting blocks, four groups of extrusion sliding holes are respectively arranged on the front side, the left side, the rear side and the right side of the top end of the control cavity in a penetrating manner, the four groups of extrusion sliding holes are respectively and slidably sleeved with the four groups of extrusion rods, the edge area of the bottom end of the extrusion ring is connected with the top end of the pushing ring, the extrusion ring is sleeved with the middle, four groups of placing grooves are respectively formed in the left side, the front side, the right side and the rear side of the top end of the extrusion ring, the bottom ends of the four groups of power springs are respectively clung to the bottom ends of the four groups of placing grooves, the top ends of the four groups of power springs are respectively clung to the bottom ends of the four groups of extrusion rods, the four groups of placing grooves are respectively clamped with the bottom areas of the four groups of extrusion rods in a sliding mode, the bottom end of the second auxiliary rubber mat is closely attached to the top end of the fixing ring in a sealing mode, and the bottom end of the pushing ring is closely attached to the top end.

The utility model discloses a leak protection dish valve still includes two sets of rotation handles, the inner of two sets of rotation handles is connected with the left end and the right-hand member of fastening thread ring respectively.

The utility model discloses a leak protection dish valve still includes two sets of anti-skidding handle covers, two sets of anti-skidding handle covers respectively with two sets of fixed suit of rotation handle.

The utility model discloses a leak protection water butterfly valve still includes four group's sealed gum covers, four group's extrusion slide holes respectively with four group's fixed suit of sealed gum covers, four group's sealed gum covers respectively with four group's extrusion stem seal slip suit.

The utility model discloses a leak protection butterfly valve still includes two sets of anchor strut, the top of two sets of anchor strut is connected with the bottom left side and the right side of controller respectively, the top at the butterfly valve body is all installed to the bottom of two sets of anchor strut.

The utility model discloses a leak protection dish valve still includes four group's warning rings, the regional lateral wall in top of four group's extrusion stem is provided with four group's ring type draw-in grooves respectively, four group's warning rings respectively with the fixed suit of four group's ring type draw-in grooves.

The utility model discloses a leak protection dish valve still includes first supplementary ring and the supplementary ring of second, the bottom of first supplementary ring and the top of the supplementary ring of second are connected with solid fixed ring's top and the bottom of propelling movement ring respectively.

The utility model discloses a leak protection dish valve still includes two sets of control handles, the front end and the rear end connection at the butterfly valve body are installed respectively to two sets of control handles's inner.

Compared with the prior art, the beneficial effects of the utility model are that: before the butterfly valve is installed, the fastening threaded ring can be rotated to enable the fastening threaded ring to be screwed on the fastening pipe and move downwards, the four groups of extrusion rods are pushed by the fastening threaded ring through the matching of the rotating ring and the four groups of limiting blocks to synchronously move towards a control cavity of the controller, then the four groups of extrusion rods respectively extrude the four groups of power springs under the limiting of the four groups of placing grooves, the extrusion rings extrude a second auxiliary rubber gasket on the fixing ring under the pushing of the four groups of power springs, meanwhile, the extrusion rings cling to a first auxiliary rubber gasket through the pushing rings, then the butterfly valve can be installed in a specified pipeline, and therefore, the auxiliary leakage-proof mechanism is additionally arranged to seal the opening and closing adjusting part of the butterfly valve, the probability of water leakage of the opening and closing adjusting part of the butterfly valve caused by the abrasion of the sealing gaskets inside the butterfly valve is reduced, and the use reliability of the butterfly valve, thereby enhancing practicality.

Drawings

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

fig. 2 is a schematic view of a partially enlarged structure of a;

fig. 3 is a schematic view of a partial enlarged structure of B of the present invention;

fig. 4 is a schematic view of the connection structure of four groups of power springs and four groups of placement grooves;

FIG. 5 is a schematic view of the connection structure of the four sets of stoppers and the rotating ring of the present invention;

FIG. 6 is a schematic view of the connection structure of two sets of control handles and the butterfly valve body according to the present invention;

in the drawings, the reference numbers: 1. a butterfly valve body; 2. an adjustment mechanism; 3. a controller; 4. a fixing ring; 5. a first auxiliary rubber pad; 6. a second auxiliary rubber pad; 7. an extrusion ring; 8. a push ring; 9. four groups of extrusion rods; 10. four groups of power springs; 11. a rotating ring; 12. four groups of limiting blocks; 13. fastening the threaded ring; 14. fastening the tube; 15. a control chamber; 16. an adjustment shaft; 17. a rotation chamber; 18. rotating the hole; 19. four groups of placing grooves; 20. two sets of rotating handles; 21. two groups of anti-skid handle sleeves; 22. four groups of sealing rubber sleeves; 23. two sets of reinforcing rods; 24. four groups of warning rings; 25. four groups of annular clamping grooves; 26. a first auxiliary ring; 27. a second auxiliary ring; 28. two groups of control handles.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1 to 6, the leakage-proof butterfly valve of the present invention comprises a butterfly valve body 1, wherein an adjusting mechanism 2 is disposed in a top region of the butterfly valve body 1; the butterfly valve further comprises a controller 3, a fixed ring 4, a first auxiliary rubber cushion 5, a second auxiliary rubber cushion 6, a squeezing ring 7, a pushing ring 8, four groups of squeezing rods 9, four groups of power springs 10, a rotating ring 11, four groups of limiting blocks 12, a fastening threaded ring 13 and a fastening pipe 14, wherein a control cavity 15 is arranged inside the controller 3, a connecting pipe is communicated and arranged in the middle of the bottom end of the control cavity 15 and welded in the middle of the top end of the butterfly valve body 1, an adjusting mechanism 2 is arranged at the top end of the controller 3, the adjusting mechanism 2 is provided with an adjusting shaft 16, the middle area of the adjusting shaft 16 is positioned in the control cavity 15, the bottom end of the first auxiliary rubber cushion 5 is connected with the bottom end edge area of the control cavity 15, the fixed ring 4 is fixedly sleeved with the middle area of the adjusting shaft 16, the fastening pipe 14 is sleeved with the bottom area of the adjusting mechanism 2, the bottom end of the fastening pipe 14 is connected, a fastening threaded ring 13 and a fastening pipe 14 are screwed, the top end of a rotating ring 11 is connected with the bottom end of the fastening threaded ring 13, a rotating cavity 17 is arranged inside the rotating ring 11, a rotating hole 18 is communicated with the bottom end of the rotating cavity 17, four groups of limiting blocks 12 are respectively rotatably clamped with the left part area, the right part area, the front part area and the rear part area of the rotating cavity 17, four groups of extrusion rods 9 penetrate through the rotating hole 18 from the lower side of the rotating ring 11 and extend into the rotating cavity 17, the top ends of the four groups of extrusion rods 9 are respectively connected with the bottom ends of the four groups of limiting blocks 12, four groups of extrusion sliding holes are respectively arranged on the front side, the left side, the rear side and the right side of the top end of a control cavity 15 in a penetrating manner, the four groups of extrusion sliding holes are respectively slidably sleeved with the four groups of extrusion rods 9, the edge area of the bottom end of the extrusion ring 7 is connected with the top end of a pushing ring 8, the extrusion ring 7 is sleeved with, four groups of placing grooves 19 are respectively arranged on the left side, the front side, the right side and the rear side of the top end of the extrusion ring 7, the bottom ends of four groups of power springs 10 are respectively clung to the bottom ends of the four groups of placing grooves 19, the top ends of the four groups of power springs 10 are respectively clung to the bottom ends of four groups of extrusion rods 9, the four groups of placing grooves 19 are respectively clamped with the bottom areas of the four groups of extrusion rods 9 in a sliding mode, the bottom end of the second auxiliary rubber mat 6 is closely attached to the top end of the fixing ring 4 in a sealing mode, and the bottom end of the pushing ring 8 is closely attached; before the butterfly valve is installed, the fastening threaded ring can be rotated to enable the fastening threaded ring to be screwed on the fastening pipe and move downwards, the four groups of extrusion rods are pushed by the fastening threaded ring through the matching of the rotating ring and the four groups of limiting blocks to synchronously move towards a control cavity of the controller, then the four groups of extrusion rods respectively extrude the four groups of power springs under the limiting of the four groups of placing grooves, the extrusion rings extrude a second auxiliary rubber gasket on the fixing ring under the pushing of the four groups of power springs, meanwhile, the extrusion rings cling to a first auxiliary rubber gasket through the pushing rings, then the butterfly valve can be installed in a specified pipeline, and therefore, the auxiliary leakage-proof mechanism is additionally arranged to seal the opening and closing adjusting part of the butterfly valve, the probability of water leakage of the opening and closing adjusting part of the butterfly valve caused by the abrasion of the sealing gaskets inside the butterfly valve is reduced, and the use reliability of the butterfly valve, thereby enhancing practicality.

The utility model discloses a leak-proof butterfly valve, which also comprises two groups of rotating handles 20, wherein the inner ends of the two groups of rotating handles 20 are respectively connected with the left end and the right end of the fastening threaded ring 13; make the rotation of fastening screw ring more convenient through two sets of rotation handles to the convenience has been strengthened.

The utility model discloses a leakproof butterfly valve, which also comprises two groups of antiskid handle sleeves 21, wherein the two groups of antiskid handle sleeves 21 are respectively fixedly sleeved with two groups of rotating handles 20; the friction coefficient of two sets of rotating handle lateral walls is respectively increased through two sets of anti-skidding handle sleeves, the probability that the hands slip on two sets of rotating handles is reduced when the two sets of rotating handles are rotated, and the operation comfort degree of the two sets of rotating handles is improved simultaneously, so that the practicability is enhanced.

The utility model discloses a water leakage prevention butterfly valve, which also comprises four groups of sealing rubber sleeves 22, wherein four groups of extrusion sliding holes are respectively fixedly sleeved with the four groups of sealing rubber sleeves 22, and the four groups of sealing rubber sleeves 22 are respectively sleeved with four groups of extrusion rods 9 in a sealing and sliding manner; the sealing degree between the four groups of extrusion rods and the four groups of extrusion sliding holes is increased through the four groups of sealing rubber sleeves, and the probability of water leakage of the butterfly valve is further reduced, so that the practicability is enhanced.

The utility model discloses a leak protection butterfly valve, still include two sets of anchor rods 23, the top of two sets of anchor rods 23 is connected with the bottom left side and the right side of controller 3 respectively, the bottom of two sets of anchor rods 23 is all installed at the top of butterfly valve body 1; the firmness on the controller and the butterfly valve body is increased through the two groups of reinforcing rods, and the probability that the controller is disconnected on the butterfly valve body when the two groups of rotating handles are adjusted is reduced, so that the practicability is enhanced.

The utility model discloses a leak-proof butterfly valve, which also comprises four groups of warning rings 24, wherein the outer side wall of the top area of the four groups of extrusion rods 9 is respectively provided with four groups of annular clamping grooves 25, and the four groups of warning rings 24 are respectively fixedly sleeved with the four groups of annular clamping grooves 25; when the bottom of four groups of warning rings reachd the controller top, the elasticity of four groups of power spring reached comparatively reasonable packing this moment, then effectively reduced the probability that the phenomenon that four groups of power spring produced the plastic deformation took place this moment to the practicality has been strengthened.

The utility model discloses a leak-proof butterfly valve, which also comprises a first auxiliary ring 26 and a second auxiliary ring 27, wherein the bottom end of the first auxiliary ring 26 and the top end of the second auxiliary ring 27 are respectively connected with the top end of the fixed ring 4 and the bottom end of the push ring 8; through first supplementary ring and second supplementary ring then make labyrinth structure between supplementary cushion of second and extrusion ring and first supplementary cushion and the promotion ring, further improved the leakproofness to the practicality has been strengthened.

The utility model discloses a leak-proof butterfly valve, which also comprises two groups of control handles 28, wherein the inner ends of the two groups of control handles 28 are respectively arranged at the front end and the rear end of the butterfly valve body 1 to be connected; when the rotating handle is adjusted, the rotating handle is more convenient to rotate by holding the control handle, so that the practicability is enhanced.

The utility model discloses a leak protection dish valve, it is at the during operation, before the installation butterfly valve installation, can rotate the fastening screw ring and make the fastening screw ring move down on the fastening pipe spiral shell dress, promote four group's of extrusion poles through the cooperation of swivel ring and four group's stoppers and remove to the control intracavity of controller simultaneously in step at the fastening screw ring, then four group's of extrusion poles extrude four group's power spring respectively under the spacing of four group's standing grooves, the extrusion ring then extrudees the supplementary cushion of second on solid fixed ring under four group's power spring's promotion, the extrusion ring is hugged closely on first supplementary cushion through the push ring simultaneously, then alright with install the butterfly valve can in appointed pipeline.

The terms "front", "rear", "left", "right" and the like as used herein are for illustrative purposes only.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. An anti-leakage butterfly valve comprises a butterfly valve body (1), wherein an adjusting mechanism (2) is arranged in the top area of the butterfly valve body (1); the butterfly valve is characterized by further comprising a controller (3), a fixing ring (4), a first auxiliary rubber cushion (5), a second auxiliary rubber cushion (6), an extrusion ring (7), a pushing ring (8), four groups of extrusion rods (9), four groups of power springs (10), a rotating ring (11), four groups of limiting blocks (12), a fastening threaded ring (13) and a fastening pipe (14), wherein a control cavity (15) is arranged inside the controller (3), a connecting pipe is communicated with the middle of the bottom end of the control cavity (15), the connecting pipe is welded in the middle of the top end of the butterfly valve body (1), an adjusting mechanism (2) is installed at the top end of the controller (3), an adjusting shaft (16) is arranged on the adjusting mechanism (2), the middle area of the adjusting shaft (16) is located in the control cavity (15), the bottom end of the first auxiliary rubber cushion (5) is connected with the bottom end edge area of the control cavity (15), the fixed ring (4) is fixedly sleeved with the middle region of the adjusting shaft (16), the fastening pipe (14) is sleeved with the bottom region of the adjusting mechanism (2), the bottom end of the fastening pipe (14) is connected with the top end of the controller (3), the outer side wall of the fastening pipe (14) is provided with an external thread, the fastening thread ring (13) is screwed with the fastening pipe (14), the top end of the rotating ring (11) is connected with the bottom end of the fastening thread ring (13), the rotating ring (11) is internally provided with a rotating cavity (17), the bottom end of the rotating cavity (17) is communicated with a rotating hole (18), the four groups of limiting blocks (12) are respectively rotatably clamped with the left region, the right region, the front region and the rear region of the rotating cavity (17), the top ends of the four groups of extrusion rods (9) penetrate through the rotating hole (18) from the lower side of the rotating ring (11) and all extend into the rotating cavity (17), the top ends of the four groups of extrusion rods (9) are respectively connected with the bottom ends of four groups of limiting blocks (12), the front side, the left side, the rear side and the right side of the top end of the control cavity (15) are respectively provided with four groups of extrusion sliding holes in a penetrating manner, the four groups of extrusion sliding holes are respectively sleeved with the four groups of extrusion rods (9) in a sliding manner, the edge area of the bottom end of the extrusion ring (7) is connected with the top end of the pushing ring (8), the extrusion ring (7) is sleeved with the middle area of the adjusting shaft (16), the top end of the second auxiliary rubber mat (6) is connected with the inner side of the bottom end of the extrusion ring (7), the left side, the front side, the right side and the rear side of the top end of the extrusion ring (7) are respectively provided with four groups of placing grooves (19), the bottom ends of the four groups of power springs (10) are respectively clung to the bottom ends of the four groups of extrusion rods, the four groups of placing grooves (19) are respectively clamped with the bottom areas of the four groups of extrusion rods (9) in a sliding mode, the bottom end of the second auxiliary rubber mat (6) is tightly attached to the top end of the fixing ring (4) in a sealing mode, and the bottom end of the pushing ring (8) is tightly attached to the top end of the first auxiliary rubber mat (5) in a sealing mode.

2. An anti-leakage butterfly valve according to claim 1, further comprising two sets of rotating handles (20), wherein inner ends of the two sets of rotating handles (20) are connected to left and right ends of the fastening screw ring (13), respectively.

3. An anti-leakage butterfly valve according to claim 2, further comprising two sets of anti-slip handle sleeves (21), wherein the two sets of anti-slip handle sleeves (21) are respectively fixedly sleeved with the two sets of rotating handles (20).

4. An anti-leakage butterfly valve according to claim 3, further comprising four sets of sealing rubber sleeves (22), wherein the four sets of extrusion sliding holes are respectively fixedly sleeved with the four sets of sealing rubber sleeves (22), and the four sets of sealing rubber sleeves (22) are respectively hermetically and slidably sleeved with the four sets of extrusion rods (9).

5. An anti-leakage butterfly valve according to claim 4, further comprising two sets of reinforcing rods (23), wherein the top ends of the two sets of reinforcing rods (23) are connected to the left side and the right side of the bottom end of the controller (3), respectively, and the bottom ends of the two sets of reinforcing rods (23) are installed on the top of the butterfly valve body (1).

6. An anti-leakage butterfly valve according to claim 5, further comprising four sets of warning rings (24), wherein the four sets of pressing rods (9) are provided with four sets of ring-shaped slots (25) on the outer side wall of the top region, and the four sets of warning rings (24) are fixedly sleeved with the four sets of ring-shaped slots (25).

7. An anti-leakage butterfly valve according to claim 6, further comprising a first auxiliary ring (26) and a second auxiliary ring (27), wherein a bottom end of the first auxiliary ring (26) and a top end of the second auxiliary ring (27) are connected to a top end of the fixed ring (4) and a bottom end of the push ring (8), respectively.

8. An anti-leakage butterfly valve according to claim 7, further comprising two sets of control handles (28), wherein the inner ends of the two sets of control handles (28) are respectively installed at the front end and the rear end of the butterfly valve body (1) for connection.