CN215763336U - Center line double-flange opposite clamping type butterfly valve - Google Patents

Abstract

The utility model relates to the technical field of valves and discloses a center line double-flange wafer butterfly valve which comprises a valve body, wherein a lower water inlet cavity is fixedly arranged on the front surface and the back surface of the valve body, an upper water inlet cavity is fixedly communicated with the top end of the lower water inlet cavity, a filter screen is fixedly arranged on the top end of the upper water inlet cavity, and a first impeller is movably arranged in the upper water inlet cavity. This central line double flange wafer formula butterfly valve, can drive the handle when leading to rotating the chi dish and rotate and can drive the rotation of drive bevel gear and drive driven bevel gear and rotate simultaneously, and then the rotation that drives the valve shaft drives the valve plate rotatory, the inside that the intake antrum got into simultaneously can be filtered through the filter screen to the rivers this moment, the inside that drives the rotatory velocity of flow of strengthening of first impeller simultaneously and got into intake antrum drives the further velocity of flow of strengthening of second impeller rotation, realize the increase of the velocity of flow through two impellers, thereby the advantage of multiplicable valve plate half-open drainage efficiency has been realized.

Description

Center line double-flange opposite clamping type butterfly valve

Technical Field

The utility model relates to the technical field of valves, in particular to a center line double-flange wafer type butterfly valve.

Background

A butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for the on-off control of low-pressure pipeline media, namely a valve which is opened and closed by rotating around a valve shaft, wherein a closing member (a valve clack or a butterfly plate) is a disk. The butterfly plate of the wafer butterfly valve is arranged in the diameter direction of the pipeline. The valve is in a full open state. The opposite clamping butterfly valve has simple structure, small volume and light weight. The butterfly valve has two sealing types of elastic sealing and metal sealing. The elastic sealing valve has sealing ring embedded in the valve body or attached to the butterfly plate.

There is a center line double flange double-clamped butterfly valve among the double-clamped butterfly valves, and this kind of center line double flange double-clamped butterfly valve is when in actual use, and its velocity of flow is lower when the valve is half-open, leads to the decline of drainage efficiency, can not satisfy the use, and because the height of the installed part of butterfly valve itself is fixed when the installation butterfly valve simultaneously, has led to the installation height to be confirmed and be difficult to adjust.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, the present application provides a center line double flange wafer butterfly valve, which solves the above problems in the prior art.

The application provides a pair of double flange wafer formula butterfly valve of central line, which comprises a valve body, the equal fixed mounting in tow sides of valve body has lower intake antrum, the fixed intercommunication in top of intake antrum has last intake antrum down, the top fixed mounting in last intake antrum has the filter screen, the inside movable mounting in last intake antrum has first impeller, the inside movable mounting of intake antrum has the second impeller down, the diameter in last intake antrum is less than the diameter of intake antrum down, the diameter of first impeller is less than the diameter of second impeller.

Preferably, the top fixed mounting of valve body has the gear box, the equal fixed mounting in tow sides of gear box has the fixed plate, the equal fixed mounting in both ends has the slide rail about the fixed plate.

Preferably, the inside of slide rail all movable mounting have the slider, the fixed orifices have been seted up to the inside equidistance of slide rail, the same fixed orifices has been seted up in the front of slider.

Preferably, the inside movable mounting of valve body has the valve plate, the middle part fixed mounting of valve plate has the valve shaft, the bottom and the fixed mounting that run through the gear box of the top of valve shaft have driven bevel gear.

Preferably, the right side of the driven bevel gear is connected with a driving bevel gear in a meshing manner, the right end of the driving bevel gear is fixedly provided with a handle, and the right end of the handle penetrates through the right side of the gear box and is fixedly provided with a ruler disc.

Compared with the prior art, the utility model has the following beneficial effects:

1. this central line double flange wafer formula butterfly valve, through the last intake antrum on the positive and negative both sides installation at the valve body down intake antrum and the last intake antrum top, be fixed with the filter screen simultaneously on the top of last intake antrum, and install first impeller and second impeller respectively at last intake antrum and lower intake antrum, can drive the handle rotation and can drive the rotation of drive bevel gear simultaneously and drive driven bevel gear and rotate when rotating the chi dish, and then the rotation that drives the valve shaft drives the valve plate rotatory, the rivers can filter the inside that gets into the last intake antrum simultaneously through the filter screen this moment, the inside that drives the rotatory velocity of flow of first impeller simultaneously and get into the intake antrum drives the rotatory further velocity of flow of enhancement of second impeller, realize the increase of velocity of flow through two impellers, thereby the advantage of multiplicable valve plate half-open drainage efficiency has been realized.

2. This central line double flange wafer formula butterfly valve, install the gear box through the top at the valve body, and both ends are fixed with the fixed plate about the gear box, install the slide rail at both ends about the fixed plate simultaneously, and then movable mounting has the slider in the inside of slide rail, the fixed orifices has been seted up simultaneously in the front of slider and slide rail inside, when needs fix the device, the accessible is selected the fixed orifices of suitable height and is removed the slider and make and correspond between the fixed orifices on slider and the slide rail, and use the bolt fastening, thereby realized the advantage of conveniently adjusting the mounted position.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

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

FIG. 2 is an exploded view of the slider structure of the present invention;

FIG. 3 is a schematic view of the internal structure of the gear case of the present invention;

FIG. 4 is an exploded view of the front structure of the valve body of the present invention;

fig. 5 is an enlarged schematic view of the structure at a in fig. 2.

In the figure: 1. a valve body; 2. a valve plate; 3. a valve shaft; 4. a gear case; 5. a drive bevel gear; 6. a driven bevel gear; 7. a handle; 8. a ruler disc; 9. an upper water inlet cavity; 10. a lower water inlet cavity; 11. filtering with a screen; 12. a first impeller; 13. a second impeller; 14. a fixing plate; 15. a slide rail; 16. a slider; 17. and (7) fixing holes.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Please refer to fig. 1-5, a center line double-flange wafer butterfly valve, including a valve body 1, a lower inlet chamber 10 is fixedly installed on both sides of the valve body 1, an upper inlet chamber 9 is fixedly communicated with the top end of the lower inlet chamber 10, a filter screen 11 is fixedly installed on the top end of the upper inlet chamber 9, a first impeller 12 is movably installed inside the upper inlet chamber 9, a second impeller 13 is movably installed inside the lower inlet chamber 10, the diameter of the upper inlet chamber 9 is smaller than that of the lower inlet chamber 10, the diameter of the first impeller 12 is smaller than that of the second impeller 13, water flow can be filtered through the filter screen 11 and simultaneously enters into the inside of the upper inlet chamber 9, and simultaneously drives the first impeller 12 to rotate to enhance the flow rate and enter into the inside of the lower inlet chamber 10 to drive the second impeller 13 to rotate to further enhance the flow rate, and increase of the flow rate is realized through the two impellers.

Wherein, the top fixed mounting of valve body 1 has gear box 4, and the equal fixed mounting in both sides of gear box 4 has fixed plate 14, and the equal fixed mounting in both ends has slide rail 15 about fixed plate 14, and gear box 4 can protect the bevel gear of inside, prevents to receive outside air's corrosion influence to open and shut.

Wherein, the inside of slide rail 15 all movable mounting have the slider 16, and the fixed orifices 17 have been seted up to the inside equidistance of slide rail 15, and the same fixed orifices 17 have been seted up in the front of slider 16, when needing to fix the device, the accessible selects the fixed orifices 17 of suitable height and removes slider 16 and makes and correspond between the fixed orifices 17 on slider 16 and the fixed orifices 17 on slide rail 15 to use the bolt fastening.

Wherein, the inside movable mounting of valve body 1 has valve plate 2, and the middle part fixed mounting of valve plate 2 has valve shaft 3, and the bottom and the fixed mounting that gear box 4 was run through on the top of valve shaft 3 have driven bevel gear 6, and when valve shaft 3 rotated, the rotation of valve shaft 3 can drive the valve plate 2 rotatory, and then realized opening and shutting of valve.

Wherein, driven bevel gear 6's right side meshing is connected with drive bevel gear 5, and drive bevel gear 5's right-hand member fixed mounting has handle 7, and the right-hand member of handle 7 runs through the right side of gear box 4 and fixed mounting has chi dish 8, can drive handle 7 and rotate and can drive bevel gear 5 simultaneously and rotate and drive driven bevel gear 6 when rotating chi dish 8, and then drive the rotation of valve shaft 3 and drive valve plate 2 rotatory.

The working principle is as follows: this central line double flange wafer formula butterfly valve is when using, when needs fix the device, the accessible selects the fixed orifices 17 of suitable height and removes slider 16 and makes and correspond between the fixed orifices 17 on the slider 16 and the fixed orifices 17 on the slide rail 15, and use the bolt fastening, can drive handle 7 when rotating the chi dish 8 and rotate and can drive the rotation of drive bevel gear 5 simultaneously and drive driven bevel gear 6 and rotate, and then drive the rotation of valve shaft 3 and drive valve plate 2 rotatory, the rivers can filter through filter screen 11 simultaneously and get into the inside of last intake antrum 9, it further strengthens the velocity of flow to drive the rotatory interior drive second impeller 13 that strengthens the velocity of flow of the rotatory velocity of flow of first impeller 12 simultaneously and get into the inside of intake antrum 10 down, it can to realize the increase of velocity of flow through two impellers.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not necessarily depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.

Claims (5)

1. The utility model provides a central line double flange wafer formula butterfly valve, includes valve body (1), its characterized in that: intake chamber (10) under the equal fixed mounting in tow sides of valve body (1), the fixed intercommunication in top of intake chamber (10) has last intake antrum (9) down, the top fixed mounting of last intake antrum (9) has filter screen (11), the inside movable mounting of last intake antrum (9) has first impeller (12), the inside movable mounting of intake antrum (10) has second impeller (13) down, the diameter of last intake antrum (9) is less than the diameter of intake antrum (10) down, the diameter of first impeller (12) is less than the diameter of second impeller (13).

2. A center line, double flange, wafer-style butterfly valve as claimed in claim 1, wherein: the top fixed mounting of valve body (1) has gear box (4), the equal fixed mounting in tow sides of gear box (4) has fixed plate (14), the equal fixed mounting in both ends has slide rail (15) about fixed plate (14).

3. A center line, double flange, wafer-style butterfly valve as claimed in claim 2, wherein: the inner part of the sliding rail (15) is movably provided with a sliding block (16), fixing holes (17) are formed in the inner part of the sliding rail (15) at equal intervals, and the front surface of the sliding block (16) is provided with the same fixing holes (17).

4. A center line, double flange, wafer-style butterfly valve as claimed in claim 1, wherein: the novel valve is characterized in that a valve plate (2) is movably mounted inside the valve body (1), a valve shaft (3) is fixedly mounted in the middle of the valve plate (2), and a driven bevel gear (6) is fixedly mounted at the top end of the valve shaft (3) and penetrates through the bottom end of the gear box (4).

5. The center line double flange wafer butterfly valve of claim 4, wherein: the right side meshing of driven bevel gear (6) is connected with drive bevel gear (5), the right-hand member fixed mounting of drive bevel gear (5) has handle (7), the right-hand member of handle (7) runs through the right side and the fixed mounting of gear box (4) has chi dish (8).

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