CN218845135U - Silt-proof butterfly valve - Google Patents

Abstract

The utility model belongs to the technical field of the butterfly valve, especially, be a prevent silt type butterfly valve, including the valve body, inside top one side of valve body is provided with the dead lever, and the dead lever bottom is provided with waterproof box, the inside motor that is provided with of waterproof box. The utility model discloses a take off sealed head earlier, thereby open row's miscellaneous mouth, it is rotatory that the rethread motor drives the pivot, make the cleaning brush rotate along the ring channel, and then clean the silt of filter screen surface, the silt that drops simultaneously can be discharged through row miscellaneous mouthful, this kind of design, make when cleaning the filter screen, need not to install the dismantlement to the filter screen, and its operation of clearing up the filter screen is also comparatively convenient, through valve body extrusion pressure spring, and then drive stopper extrusion spring, the elasticity of pressure spring and spring counteracts the valve body again simultaneously, the vibrations that produce liquid flow weaken and cushion, and then improve butterfly valve buffering absorbing ability, avoid the butterfly valve to face the vibrations of liquid flow production for a long time, impaired or damage easily appears.

Description

Silt-proof butterfly valve

Technical Field

The utility model relates to a butterfly valve technical field specifically is a prevent silt type butterfly valve.

Background

A butterfly valve is also called a flap valve and is a regulating valve with a simple structure, and the butterfly valve used for on-off control of low-pressure pipeline media is 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 circular disk, the valve can be used for controlling the flow of various fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like, and mainly plays a role in cutting and throttling on a pipeline.

The prior art has the following problems:

1. most of the existing silt-proof butterfly valves are provided with filter screens to block silt in conveyed liquid, but the filter screens are blocked in the long-term use process, and if the filter screens are not cleaned in time, the butterfly valves are blocked or damaged;

2. the current silt-proof butterfly valve does not possess the absorbing function of buffering, leads to the butterfly valve to face the vibrations that liquid flow produced for a long time, and the easy impaired or problem of damaging appears has reduced the life of butterfly valve indirectly, and the practicality is relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a prevent silt type butterfly valve has solved the filter screen that exists now and in long-term use, can appear blockking up, if not in time clearance, can lead to the butterfly valve to block up or impaired, but at present, dismantle the operation comparatively loaded down with trivial details to the installation of filter screen, and do not possess the problem of buffering absorbing function.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a prevent silt type butterfly valve, includes the valve body, the inside top one side of valve body is provided with the dead lever, the dead lever bottom is provided with waterproof box, the inside motor that is provided with of waterproof box, the output of motor is provided with the pivot, pivot one side is provided with the cleaning brush, the trash discharging opening has been seted up to the inside bottom one side of valve body, the inside sealed head that is provided with of trash discharging opening, the valve body is located trash discharging opening one side and has seted up the ring channel, the inside slider that is provided with of ring channel, the valve body is located cleaning brush one side and is provided with the filter screen, valve body bottom one side is provided with the bracing piece, the bracing piece surface is provided with the pressure spring, the bracing piece bottom is provided with the stopper, the stopper bottom is provided with the spring, the spring surface is provided with the support frame, support frame top one side is seted up flutedly, the support frame openly below is provided with the bolt.

As an optimized technical scheme of the utility model, the size of waterproof box and the size looks adaptation of motor.

As a preferred technical scheme of the utility model, the position of cleaning brush corresponds the setting each other with the position of filter screen.

As an optimized technical proposal of the utility model, the size of the impurity discharging port is matched with the size of the sealing head.

As a preferred technical scheme of the utility model, the size of ring channel and the size looks adaptation of slider.

As an optimal technical scheme of the utility model, the quantity of pressure spring has two sets ofly, and is two sets of the pressure spring corresponds the setting with the middle part of support frame each other.

As a preferred technical scheme of the utility model, the size of stopper and the size looks adaptation of recess.

Compared with the prior art, the utility model provides a prevent silt type butterfly valve possesses following beneficial effect:

1. this prevent silt type butterfly valve, when the filter screen blocks up, seal head is taken off through earlier, thereby open row's miscellaneous mouth, it is rotatory that the rethread motor drives the pivot, make the cleaning brush rotate along the ring channel, and then clean the silt on filter screen surface, the silt that drops simultaneously can be discharged through row miscellaneous mouthful, this kind of design, make when cleaning the filter screen, need not to install the dismantlement to the filter screen, and its operation of clearing up the filter screen is also comparatively convenient, the efficiency of work has been improved indirectly, and the operation requirement is satisfied.

2. This prevent silt type butterfly valve, in the face of the vibrations that liquid flow produced, through valve body extrusion pressure spring, and then drive stopper extrusion spring, the elasticity of pressure spring and spring counteracts again at the valve body simultaneously, weakens and cushions the vibrations that liquid flow produced, and then improves butterfly valve buffering absorbing ability, avoids the butterfly valve to face the vibrations that liquid flow produced for a long time, easily appears impairedly or damage, has indirectly improved the life of butterfly valve, and the practicality is stronger.

Drawings

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

FIG. 2 is a schematic view of the structure at the position A of the present invention;

FIG. 3 is a schematic view of the structure at the position B of the present invention;

FIG. 4 is a schematic structural view of the utility model at position C;

fig. 5 is a schematic view of the three-dimensional structure of the support frame of the present invention.

In the figure: 1. a valve body; 2. a fixing rod; 3. a waterproof box; 4. a motor; 5. a rotating shaft; 6. a cleaning brush; 7. a trash discharge port; 8. a sealing head; 9. an annular groove; 10. a slider; 11. filtering with a screen; 12. a support bar; 13. a pressure spring; 14. a limiting block; 15. a spring; 16. a support frame; 17. a groove; 18. and (4) bolts.

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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-5, in the present embodiment: the utility model provides a prevent silt type butterfly valve, including valve body 1, 1 inside top one side of valve body is provided with dead lever 2, 2 bottom ends of dead lever are provided with waterproof box 3, be convenient for support and fix waterproof box 3 through dead lever 2, improve the steadiness of waterproof box 3, 3 inside motors 4 that are provided with of waterproof box, the model is 280SRK-280, the output of motor 4 is provided with pivot 5, pivot 5 one side is provided with cleaning brush 6, 1 inside bottom one side of valve body has seted up trash discharge opening 7, the inside sealing head 8 that is provided with of trash discharge opening 7, valve body 1 is located trash discharge opening 7 one side and has seted up ring channel 9, the inside slider 10 that is provided with of ring channel 9, valve body 1 is located cleaning brush 6 one side and is provided with filter screen 11, 1 bottom one side is provided with bracing piece 12, the surface of bracing piece 12 is provided with pressure spring 13, bracing piece 12 bottom is provided with stopper 14, stopper 14 bottom is provided with spring 15, be convenient for through the elasticity of spring 15, weaken and cushion the shock attenuation the vibrations that the liquid flow produces, and the improvement butterfly valve buffering ability, spring 15 surface is provided with support frame 16, support frame 16 top one side, support frame 16 is provided with recess 17, be convenient for through bolt 18 under the front, be connected wall 18, support frame 16, support frame is installed with fixed with the wall 16.

In the embodiment, the size of the waterproof box 3 is matched with that of the motor 4, so that the motor 4 can be conveniently installed and fixed through the waterproof box 3, and meanwhile, the motor 4 is prevented from being corroded by liquid through the waterproof box 3; the position of the cleaning brush 6 and the position of the filter screen 11 are arranged correspondingly, so that the silt on the surface of the filter screen 11 can be conveniently cleaned by the cleaning brush 6; the size of the impurity discharging port 7 is matched with that of the sealing head 8, and liquid is prevented from leaking from the impurity discharging port 7 when the butterfly valve works by the embedding of the impurity discharging port 7 and the sealing head 8; the size of the annular groove 9 is matched with that of the sliding block 10, so that the cleaning brush 6 connected with the sliding block 10 is limited through the annular groove 9, and the stability of the cleaning brush 6 in rotation is improved; two groups of pressure springs 13 are arranged, and the two groups of pressure springs 13 are arranged in the middle of the support frame 16 in a mutually corresponding mode, so that vibration generated by liquid flow is weakened and buffered through the elasticity of the pressure springs 13, and the buffering and shock absorption capacity of the butterfly valve is improved; the size of stopper 14 and the size looks adaptation of recess 17, carry on spacingly to bracing piece 12 through stopper 14, prevent that bracing piece 12 from breaking away from inside recess 17.

The utility model discloses a theory of operation and use flow: connect the wall through bolt 18, install and fix support frame 16, when filter screen 11 blocks up, through taking off the sealing head 8 of the interior of trash outlet 7 down earlier, thereby open the trash outlet 7 of valve body 1 bottom, the motor 4 of rethread waterproof box 3 inside drives pivot 5 rotatory, make the cleaning brush 6 that slider 10 connects, rotate along the inside ring channel 9 of valve body 1, and then clean the silt on filter screen 11 surface, the silt that drops simultaneously can be discharged through trash outlet 7, this kind of design, make when cleaning filter screen 11, need not to install the dismantlement to filter screen 11, and its operation of clearing up filter screen 11 is comparatively convenient, the efficiency of work has been improved indirectly, satisfy the operation requirement, the vibrations that produce in the face of liquid flow, through the pressure spring 13 of valve body 1 extrusion bracing piece 12 surface, and then the stopper 14 that the bracing piece drove 12 bottom extrudes spring 15 in the recess 17, simultaneously pressure spring 13 and the elasticity of spring 15 act on valve body 1 again, weaken and cushion the butterfly valve that the vibrations that produce to liquid flow, and then improve the absorbing butterfly valve, avoid the vibrations that produce in the face of long-term, the easy damage appears, the service life of butterfly valve, the use has been improved, the practicality of the butterfly valve is strong.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides a prevent silt type butterfly valve which characterized in that: comprises a valve body (1), a fixed rod (2) is arranged at one side of the top end in the valve body (1), the bottom end of the fixed rod (2) is provided with a waterproof box (3), a motor (4) is arranged in the waterproof box (3), the output end of the motor (4) is provided with a rotating shaft (5), one side of the rotating shaft (5) is provided with a cleaning brush (6), one side of the bottom end in the valve body (1) is provided with a trash discharging port (7), a sealing head (8) is arranged in the impurity discharging port (7), an annular groove (9) is arranged on one side of the valve body (1) positioned at the impurity discharging port (7), a sliding block (10) is arranged in the annular groove (9), a filter screen (11) is arranged on one side of the valve body (1) positioned on the cleaning brush (6), a support rod (12) is arranged on one side of the bottom of the valve body (1), a pressure spring (13) is arranged on the outer surface of the supporting rod (12), a limiting block (14) is arranged at the bottom end of the supporting rod (12), a spring (15) is arranged at the bottom of the limiting block (14), a supporting frame (16) is arranged on the outer surface of the spring (15), one side of the top of the support frame (16) is provided with a groove (17), and a bolt (18) is arranged below the front surface of the support frame (16).

2. The mud resistant butterfly valve of claim 1, wherein: the size of the waterproof box (3) is matched with that of the motor (4).

3. The mud resistant butterfly valve of claim 1, wherein: the position of the cleaning brush (6) and the position of the filter screen (11) are arranged correspondingly.

4. The mud resistant butterfly valve as recited in claim 1, wherein: the size of the impurity discharging port (7) is matched with that of the sealing head (8).

5. The mud resistant butterfly valve of claim 1, wherein: the size of the annular groove (9) is matched with that of the sliding block (10).

6. The mud resistant butterfly valve as recited in claim 1, wherein: the quantity of the pressure springs (13) is two, and the two groups of pressure springs (13) are arranged in a way that the middle parts of the support frames (16) are mutually corresponding.

7. The mud resistant butterfly valve of claim 1, wherein: the size of the limiting block (14) is matched with that of the groove (17).

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