CN218408557U

CN218408557U - Double-handwheel butterfly valve

Info

Publication number: CN218408557U
Application number: CN202222908094.5U
Authority: CN
Inventors: 洪建生; 王文波; 王德聪; 王凡; 陈春景
Original assignee: Gongnai Valve Co ltd
Current assignee: Gongnai Valve Co ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-01-31
Anticipated expiration: 2032-10-31

Abstract

The utility model relates to a double-handwheel butterfly valve, which comprises a valve body, be equipped with the runner in the valve body, be equipped with on the valve body and be used for forming sealed butterfly plate to the runner, the lower extreme of butterfly plate rotates to be connected on the valve body, the upper end fixedly connected with valve rod of butterfly plate, the upside fixedly connected with support of valve body, fixedly connected with control box on the support, the upper end of valve rod is penetrated into the first bevel gear of control box and fixedly connected with, the valve rod is normal running fit with the lower lateral wall of control box, it is connected with first pivot and second pivot to rotate respectively on both sides around the control box, first pivot and second pivot are all serving fixedly connected with second bevel gear of control box penetrating into, the meshing of second bevel gear sets up on first bevel gear, first pivot and second pivot are all serving fixedly connected with hand wheel outside lieing in the control box, the utility model discloses the user of being convenient for carries out the fast operation.

Description

Double-handwheel butterfly valve

Technical Field

The utility model relates to the technical field of valves, especially a two handwheel butterfly valves.

Background

A butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for on-off control of low-pressure pipeline media, namely a valve with a closing member (valve clack or butterfly plate) as a disc and rotating around a valve rod to achieve opening and closing. The valve can be used for controlling the flow of various types of fluid such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The main functions of cutting off and throttling are realized on the pipeline. The butterfly valve opening and closing piece is a disc-shaped butterfly plate and rotates around the axis of the butterfly plate in the valve body, so that the opening and closing or adjusting purpose is achieved.

In the existing butterfly valve, for example, a structure shown in a ventilation butterfly valve with high sealing performance of application No. 202121201722.5, a hand wheel for controlling a valve rod to rotate is generally arranged on only one side of the existing butterfly valve, but in a part of use scenes or installation equipment, when a large-sized pipeline or equipment is connected to both the left end and the right end of the butterfly valve, a user is inconvenient to walk to one side with the hand wheel from the side without the hand wheel to operate, and therefore, the hand wheel is arranged on only one side, and when the user needs to rotate the control valve rod, the user needs to move the control valve rod from the side without the hand wheel to the side with the hand wheel to operate, or the user stretches his body to rotate the hand wheel on the opposite side by stretching his arm from the side without the hand wheel, so that the hand wheel is arranged on only one side of the butterfly valve, and the user is inconvenient to perform quick adjustment operation.

SUMMERY OF THE UTILITY MODEL

The utility model provides a can supply the user to carry out the double hand wheel butterfly valve of adjusting the operation fast has solved the above-mentioned problem that exists among the prior art in the use.

The technical scheme of the utility model is realized like this: the utility model provides a two handwheel butterfly valves, includes the valve body, be equipped with the runner in the valve body, be equipped with on the valve body and be used for forming sealed butterfly plate to the runner, the lower extreme of butterfly plate rotates and connects on the valve body, the upper end fixedly connected with valve rod of butterfly plate, the upside fixedly connected with support of valve body, fixedly connected with control box on the support, the upper end of valve rod is penetrated into the first bevel gear of control box interior and fixedly connected with, the lower lateral wall of valve rod and control box is normal running fit, it is connected with first pivot and second pivot to rotate respectively on both sides around the control box, first pivot and second pivot are all serving fixedly connected with second bevel gear penetrating into in the control box, the meshing of second bevel gear sets up on first bevel gear, first pivot and second pivot are all serving fixedly connected with hand wheel outside being located the control box.

Preferably, fixedly connected with servo motor on the last lateral wall of control box, servo motor's output shaft pierces into in the control box and with the upper end fixed connection of valve rod.

Preferably, the butterfly plate comprises a cast steel circular plate, an upper fixing seat and a lower connecting seat, the upper fixing seat and the lower connecting seat are respectively and fixedly connected to the upper side and the lower side of the cast steel circular plate, an insertion slot for inserting the lower end of the valve rod is formed in the upper fixing seat, a rotating hole is formed in the lower connecting seat, a positioning shaft is rotatably matched with the rotating hole, and the lower end of the positioning shaft is fixedly connected to the valve body.

Preferably, the left and right sides of the cast steel circular plate, the upper fixing seat and the lower connecting seat are coated with protective layers.

Preferably, a pressing ring is fixedly connected to one side of the butterfly plate, and an elastic sealing structure used for forming sealing fit with the pressing ring is arranged on the valve body.

Preferably, the elastic sealing structure comprises a U-shaped ring and an annular pressing plate, a mounting groove is formed in the outer side of the pressing ring of the valve body, the annular pressing plate is arranged in the mounting groove in a matched mode, the valve body is fixedly connected with the annular pressing plate through a screw, one side of the U-shaped ring is fixedly connected between the annular pressing plate and the valve body, and a supporting inclined plane which is used for supporting the U-shaped ring is arranged on the pressing ring.

Preferably, the valve body is wrapped with a corrosion-resistant layer in the flow passage.

Preferably, the first rotating wheel and the second rotating wheel are both connected with control grips.

To sum up, the beneficial effects of the utility model reside in that:

1. the utility model discloses be equipped with first pivot and second pivot respectively on both sides around the control box, and first pivot and second pivot all serve fixedly connected with hand wheel outside being located the control box, when needs are controlled the butterfly plate, the user no matter is in the utility model discloses a front side or on the rear side, all can directly rotate the hand wheel on this side, the hand wheel drives first pivot or the second pivot that links to each other rather than and rotates, when first pivot or second pivot rotate, drives the second bevel gear that links to each other with it and rotates, and the second bevel gear drives the valve rod through the meshing with first bevel gear and rotates, and the valve rod drives the butterfly plate and rotates and open and close the regulation, to sum up, the user no matter is in the utility model discloses an equal can directly rotate the hand wheel on this side on front side or the rear side and come right the utility model discloses control, thereby the user of being convenient for the utility model discloses carry out quick adjustment operation.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

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

fig. 2 is a left side view of the present invention;

FIG. 3 is a schematic view of the three-dimensional structure inside the control box of the present invention;

fig. 4 is a partially enlarged schematic view of a portion a in fig. 1.

In the figure: 1. a valve body; 2. a flow channel; 3. a butterfly plate; 4. a valve stem; 5. a support; 6. a control box; 7. a first bevel gear; 8. a first rotating shaft; 9. a second rotating shaft; 10. a second bevel gear; 11. a hand wheel; 12. a servo motor; 13. casting a steel circular plate; 14. an upper fixed seat; 15. a lower connecting seat; 16. inserting slots; 17. hole turning; 18. positioning the shaft; 19. a protective layer; 20. pressing a ring; 21. a U-shaped ring; 22. an annular pressure plate; 23. mounting grooves; 24. a screw; 25. abutting against the inclined plane; 26. a corrosion-resistant layer; 27. controlling the grip.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 1-4 of 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 efforts belong to the protection scope of the present invention.

Example (b):

as shown in fig. 1 to 4, the utility model discloses a two handwheel butterfly valve, it is including valve body 1, be equipped with runner 2 in the valve body 1, be equipped with on valve body 1 and be used for forming sealed butterfly plate 3 to runner 2, the lower extreme of this butterfly plate 3 rotates and connects on valve body 1, and the upper end fixedly connected with valve rod 4 of butterfly plate 3, upside fixedly connected with support 5 at valve body 1, fixedly connected with control box 6 on support 5, wherein, the upper end of valve rod 4 is penetrated into in control box 6 and fixedly connected with first bevel gear 7, and the lower lateral wall of valve rod 4 and control box 6 is normal running fit, in addition, it is connected with first pivot 8 and second pivot 9 to rotate respectively on both sides around control box 6, first pivot 8 and second pivot 9 are all serving fixedly connected with second bevel gear 10 in penetrating into control box 6, the meshing of second bevel gear 10 sets up on first bevel gear 7, and, first pivot 8 and second pivot 9 are all serving fixedly connected with hand wheel 11 outside control box 6.

The utility model discloses theory of operation: when needs are controlled butterfly plate 3, no matter the user is in on the front side or the rear side, all can directly rotate this side on hand wheel 11, hand wheel 11 drives rather than continuous first pivot 8 or second pivot 9 and rotates, when first pivot 8 or second pivot 9 rotate, drive the second bevel gear 10 that links to each other with it and rotate, second bevel gear 10 drives valve rod 4 through the meshing with first bevel gear 7 and rotates, valve rod 4 drives butterfly plate 3 and rotates and open and close the regulation, therefore the user is no matter what the utility model discloses an it is right all can directly rotate this side hand wheel on front side or the rear side the utility model discloses control to it is right convenient for the user carries out the quick adjustment operation, here still need explain in addition: when the first rotating shaft 8 is rotated, since the first rotating shaft 8 and the second bevel gear 10 on the second rotating shaft 9 are both engaged with the first bevel gear 7, the second rotating shaft 9 will also rotate together, and when the second rotating shaft 9 is rotated, the first rotating shaft 8 will also rotate together, and neither the first rotating shaft 8 nor the second bevel gear 10 on the second rotating shaft 9 will prevent the other from driving the first bevel gear 7 to rotate.

Additionally the utility model discloses still fixedly connected with servo motor 12 on the last lateral wall of control box 6, servo motor 12's output shaft pass through in the control box 6 and with valve rod 4's upper end fixed connection, it needs to explain that this servo motor 12 does not have the function of carrying out the auto-lock to the output shaft, consequently servo motor 12 can not hinder first pivot 8 and second pivot 9 and drive valve rod 4 through the meshing of first bevel gear 7 with second bevel gear 7 and rotate, increases servo motor 12 and makes the utility model discloses can carry out electric control, can directly drive valve rod 4 through servo motor 12 and rotate to drive butterfly plate 3 and rotate.

The utility model discloses in, butterfly plate 3 is including cast steel plectane 13, go up fixing base 14 and lower connecting seat 15 respectively fixed connection on cast steel plectane 13's upper and lower both sides, it has the lower extreme male slot 16 that supplies valve rod 4 to go up to open on the fixing base 14, it has commentaries on classics hole 17 to open on the connecting seat 15 down, it has location axle 18 to rotate the cooperation on the hole 17, the lower extreme fixed connection of location axle 18 is on valve body 1.

In order to protect the cast steel circular plate 13, the upper fixed seat 14 and the lower connection seat 15 from corrosion damage by fluid media, protective layers 19 are coated on the left and right side surfaces of the cast steel circular plate 13, the upper fixed seat 14 and the lower connection seat 15. The protective layer 19 is made of polytetrafluoroethylene.

The butterfly plate 3 forms the sealed concrete structure of runner 2 and does: fixedly connected with clamping ring 20 on one side of butterfly plate 3, be equipped with on valve body 1 and be used for forming sealed complex elastic sealing structure with clamping ring 20, it is concrete, elastic sealing structure is including U type circle 21 and annular clamp plate 22, wherein U type circle 21 is for having elastic metal loop, valve body 1 is opened on the outside of clamping ring 20 has mounting groove 23, annular clamp plate 22 cooperation sets up in mounting groove 23, valve body 1 passes through screw rod 24 fixed connection with annular clamp plate 22, one side fixed connection of U type circle 21 is between annular clamp plate 22 and valve body 1, be equipped with on the clamping ring 20 and be used for holding the inclined plane 25 with supporting of U type circle 21, this structure sets up rationally, clamping ring 20 on the butterfly plate 3 and the even reliable contact of U type circle 21, the leakproofness is good, can reach zero and reveal.

In the present invention, in order to protect the valve body 1 in the flow passage 2, the valve body 1 is wrapped with the corrosion-resistant layer 26 in the flow passage 2.

In order to facilitate the rotation of the hand wheel 11 by people with different force application habits, a control grip 27 is connected to the hand wheel 11.

The utility model that should point out simultaneously the utility model discloses the term of pointing out, like: the directional or positional relationships indicated as "front", "rear", "vertical", "horizontal", etc. are based on the directional or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but are not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the scope of the invention.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. 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 two handwheel butterfly valves, includes valve body (1), its characterized in that: be equipped with runner (2) in valve body (1), be equipped with on valve body (1) and be used for forming sealed butterfly plate (3) to runner (2), the lower extreme of butterfly plate (3) rotates to be connected on valve body (1), the upper end fixedly connected with valve rod (4) of butterfly plate (3), upside fixedly connected with support (5) of valve body (1), fixedly connected with control box (6) are gone up in support (5), the upper end of valve rod (4) is worn into in control box (6) and first bevel gear of fixedly connected with (7), valve rod (4) are normal running fit with the lower lateral wall of control box (6), rotate respectively on the front and back both sides of control box (6) and be connected with first pivot (8) and second pivot (9), first pivot (8) and second pivot (9) all are serving fixedly connected with second bevel gear (10) in penetrating into control box (6), second bevel gear (10) meshing sets up on first pivot (7), first pivot (8) and second pivot (9) all are located hand wheel (6) outer fixedly connected with control box (11).

2. A two-handwheel butterfly valve as defined in claim 1, wherein: fixedly connected with servo motor (12) on the last lateral wall of control box (6), the output shaft of servo motor (12) penetrate into in control box (6) and with the upper end fixed connection of valve rod (4).

3. A two-handwheel butterfly valve as defined in claim 1, wherein: the butterfly plate (3) comprises a cast steel circular plate (13), an upper fixing seat (14) and a lower connecting seat (15), the upper fixing seat (14) and the lower connecting seat (15) are respectively and fixedly connected to the upper side and the lower side of the cast steel circular plate (13), an inserting groove (16) for inserting the lower end of the valve rod (4) is formed in the upper fixing seat (14), a rotating hole (17) is formed in the lower connecting seat (15), a positioning shaft (18) is matched with the rotating hole (17) in a rotating mode, and the lower end of the positioning shaft (18) is fixedly connected to the valve body (1).

4. A two-handwheel butterfly valve as defined in claim 3, wherein: the left side and the right side of the cast steel circular plate (13), the upper fixed seat (14) and the lower connecting seat (15) are coated with protective layers (19).

5. A two-handwheel butterfly valve as defined in claim 1, wherein: fixedly connected with clamping ring (20) on one side of butterfly plate (3), be equipped with on valve body (1) and be used for forming sealed complex elastic sealing structure with clamping ring (20).

6. A two-handwheel butterfly valve as defined in claim 5, wherein: elastic sealing structure is including U type circle (21) and annular clamp plate (22), open valve body (1) on the outside of clamping ring (20) has mounting groove (23), annular clamp plate (22) cooperation sets up in mounting groove (23), valve body (1) and annular clamp plate (22) pass through screw rod (24) fixed connection, one side fixed connection of U type circle (21) is between annular clamp plate (22) and valve body (1), be equipped with on clamping ring (20) and be used for holding inclined plane (25) with supporting of U type circle (21).

7. A two-handwheel butterfly valve as defined in claim 1, wherein: the valve body (1) is wrapped with a corrosion-resistant layer (26) in the flow channel (2).