CN216009587U - Worm wheel butt-clamping butterfly valve - Google Patents
Worm wheel butt-clamping butterfly valve Download PDFInfo
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- CN216009587U CN216009587U CN202121462445.3U CN202121462445U CN216009587U CN 216009587 U CN216009587 U CN 216009587U CN 202121462445 U CN202121462445 U CN 202121462445U CN 216009587 U CN216009587 U CN 216009587U
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- butterfly valve
- valve body
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- filter screen
- wheel
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Abstract
The utility model provides a worm wheel butt-clamping butterfly valve which is simple in structure and has a filtering function, and comprises a butterfly valve body, a water inlet channel and a water outlet channel which are arranged along the radial direction of the butterfly valve body, a valve plate arranged between the water inlet channel and the water outlet channel, and a valve rod arranged on the valve plate, wherein a worm wheel box is arranged on the butterfly valve body, a worm wheel and a worm meshed with the worm wheel are arranged in the worm wheel box in a matching manner with the valve rod, a filter screen for filtering impurities is arranged in the water inlet channel of the butterfly valve body, a cleaning device for cleaning the filter screen is arranged on the filter screen, a first channel is arranged below the filter screen of the butterfly valve body, and an impurity barrel for containing the impurities on the filter screen and falling is detachably arranged in the first channel of the butterfly valve body.
Description
Technical Field
The utility model relates to the field of valves, in particular to a worm wheel butt-clamping butterfly valve.
Background
The turbine butt-clamping butterfly valve is also called a turbine flange flap valve, is a regulating valve with simple structure, and can be used for on-off control of low-pressure pipeline media. Butterfly valves are commonly used valves in pipeline transportation. The existing butterfly valve can not filter fluid media, impurities of the fluid media are easily attached to a valve plate, a sealing pair of the valve plate is damaged, the sealing performance of the butterfly valve is affected, and the impurities are easily attached to the butterfly valve body to cause corrosion and affect the service life of the valve.
SUMMERY OF THE UTILITY MODEL
Therefore, in order to solve the above problems, the present invention provides a worm wheel pair-clamping butterfly valve with a simple structure and a filtering function.
In order to achieve the purpose, the technical scheme of the utility model is to provide a worm wheel butt-clamping butterfly valve which comprises a butterfly valve body, a water inlet channel and a water outlet channel which are arranged along the radial direction of the butterfly valve body, a valve plate arranged between the water inlet channel and the water outlet channel, and a valve rod arranged on the valve plate, wherein a worm wheel box is arranged on the butterfly valve body, a worm wheel and a worm meshed with the worm wheel are arranged in the worm wheel box in a matching manner, a filter screen for filtering impurities is arranged in the water inlet channel of the butterfly valve body, a cleaning device for cleaning the filter screen is arranged on the filter screen, a first channel is arranged below the filter screen of the butterfly valve body, and an impurity barrel for containing the impurities on the filter screen and falling down is detachably arranged in the first channel of the butterfly valve body.
The further improvement is that: the cleaning device comprises a brush for brushing the filter screen, a sliding rod is arranged at the upper end part of the butterfly valve body in a vertically sliding manner, the brush is fixedly arranged on the sliding rod and is abutted against the filter screen, a lifting device for driving the sliding rod to lift up and down is arranged on the butterfly valve body, and a first sealing device is further arranged between the sliding rod and the butterfly valve body.
The further improvement is that: the lifting device comprises a lifting block provided with a groove, a protective pipe is arranged on the butterfly valve body, the lifting block is fixedly arranged on the sliding rod and located in the protective pipe, the lifting block is located in the groove and symmetrically provided with tooth rows, a rotating wheel and a rotating wheel located in the groove are rotatably arranged on the protective pipe, a semi-rotating tooth is arranged on the rotating wheel, the semi-rotating tooth is meshed with the tooth rows for transmission, and a driving device used for driving the rotating wheel to rotate is arranged on the protective pipe.
The further improvement is that: the driving device comprises a rotating handle, the rotating wheel is rotatably arranged on the protective sleeve through a rotating shaft, the rotating shaft penetrates out of the protective pipe, and the rotating handle is arranged on the rotating shaft.
The further improvement is that: and a sealing plate for sealing the protective pipe is fixedly arranged on the lifting block.
The further improvement is that: the impurity bucket threaded connection locates in the first passageway, be equipped with second sealing device between impurity bucket and the butterfly valve body.
The further improvement is that: the first sealing device is as follows: a first sealing sleeve.
The further improvement is that: the second sealing device is as follows: and a second seal ring.
The utility model has the advantages and beneficial effects that:
simple structure and convenient use. The butterfly valve can filter impurities in fluid, prevents the impurities in the fluid from being attached to the valve plate to cause damage to the sealing pair on the valve plate, is favorable for protecting the valve plate especially when the valve plate is opened and closed, and prolongs the service life of the butterfly valve. Meanwhile, impurities can be prevented from being deposited inside the butterfly valve to corrode the butterfly valve, and the service life of the butterfly valve is further prolonged.
Drawings
Fig. 1 is a schematic view of a partially cut-away structure of a worm wheel opposite clamping butterfly valve according to an embodiment of the utility model.
Fig. 2 is a schematic diagram of a partially enlarged structure of a worm wheel clamp butterfly valve according to an embodiment of the utility model.
Fig. 3 is a schematic structural diagram of a driving device according to an embodiment of the utility model.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1-3, a worm wheel butt-clamping butterfly valve comprises a butterfly valve body 1, a water inlet channel 2 and a water outlet channel 3 which are arranged along the radial direction of the butterfly valve body 1, a valve plate 4 which is arranged between the water inlet channel 2 and the water outlet channel 3, and a valve rod 5 which is arranged on the valve plate 4, wherein a worm wheel case 6 is arranged on the butterfly valve body 1, a worm wheel and a worm which is meshed with the worm wheel are arranged in the worm wheel case 6 in a way of matching with the valve rod 5, a filter screen 9 which is used for filtering impurities is arranged in the water inlet channel 2 of the butterfly valve body 1, a brush 10 which is used for cleaning the filter screen 9 is arranged on the filter screen 9, a sliding rod 11 is arranged at the upper end part of the butterfly valve body 1 in a vertical sliding manner, the brush 10 is fixedly arranged on the sliding rod 11, the brush 10 is abutted against the filter screen 9, and a lifting device which is used for driving the sliding rod 11 to lift up and down is arranged on the butterfly valve body 1, lifting device is including seting up notched lifting block 14, be equipped with protective tube 13 on the butterfly valve body 1, lifting block 14 is fixed to be located on the slide bar 11 and be located protective tube 13, lifting block 14 is located the recess and is provided with first rack 16 and second rack 15 to the symmetry, rotatable being equipped with of axis of rotation 19 on protective tube 13 rotates the wheel and be located the recess, it has half-rotation tooth 18 to have seted up on the wheel to rotate, half-rotation tooth 18 and first rack 16 and the 15 meshing transmission of second rack, be equipped with on the lag and be used for the drive rotate wheel pivoted rotation handle 31, rotation handle 31 is connected with axis of rotation 19, still be equipped with the first seal cover 12 that prevents to leak between slide bar 11 and the butterfly valve body 1, butterfly valve body 1 is located the filter screen 9 below and has seted up first passageway 8, butterfly valve body 1 is located first passageway 8 and is equipped with through threaded connection and is used for the impurity on the filter screen 9 to fall down The impurity barrel 7 is arranged, and a sealing ring is arranged between the impurity barrel 7 and the butterfly valve body 1.
In order to prevent external impurities from falling into the protective pipe 13 and affecting the service life, a sealing plate 20 for sealing the protective pipe 13 is fixedly arranged on the lifting block 14.
In order to facilitate timely cleaning, a transparent observation window (not shown in the figure) is arranged at the position of the filter screen 9 on the butterfly valve body 1.
The working principle is as follows:
when a fluid medium flows in from the water inlet channel 2 and flows through the filter screen 9, impurities are filtered by the filter screen 9, when the impurities are attached to the filter screen 9 to affect filtering, the rotating handle 31 is rotated to drive the rotating wheel to rotate, the rotating teeth on the rotating wheel are meshed with the first tooth row 16 for transmission to drive the sliding rod 11 to slide upwards, the brush 10 is driven to brush the filter screen 9 upwards, then when the highest point is reached by brushing, the driving teeth on the rotating wheel are meshed with the second tooth row 15, the rotating wheel is continuously rotated at the moment to drive the sliding rod 11 to slide downwards, the brush 10 is driven to slide downwards, the impurities on the filter screen 9 are further removed continuously, the filtering function of the filter screen 9 is maintained, and therefore the impurities in the water inlet channel 2 are filtered continuously.
While there have been shown and described what are at present considered to be the fundamental principles of the utility model and its essential features and advantages, it will be understood by those skilled in the art that the utility model is not limited by the embodiments described above, which are included to illustrate the principles of the utility model, but that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.
Claims (8)
1. The utility model provides a worm wheel butt clamp butterfly valve, includes the butterfly valve body, along the radial inhalant canal and the exhalant canal of seting up of butterfly valve body, locate the inhalant canal and the exhalant canal between the valve plate, locate the valve rod on the valve plate, be equipped with the worm gear case on the butterfly valve body, match the valve rod in the worm gear case and be equipped with the worm wheel and with worm wheel meshed's worm, its characterized in that: the butterfly valve body is located and is equipped with in the inhalant canal and is used for the filterable filter screen with impurity, be equipped with on the filter screen and be used for wasing filter screen belt cleaning device, the butterfly valve body is located the filter screen below and has seted up first passageway, the butterfly valve body is located dismantled and assembled in the first passageway and is equipped with the impurity bucket that the impurity that is used for on the splendid attire filter screen falls.
2. The worm-wheel pair-clamp butterfly valve of claim 1, wherein: the cleaning device comprises a brush for brushing the filter screen, a sliding rod is arranged at the upper end part of the butterfly valve body in a vertically sliding manner, the brush is fixedly arranged on the sliding rod and is abutted against the filter screen, a lifting device for driving the sliding rod to lift up and down is arranged on the butterfly valve body, and a first sealing device is further arranged between the sliding rod and the butterfly valve body.
3. The worm-wheel pair-clamp butterfly valve of claim 2, wherein: the lifting device comprises a lifting block provided with a groove, a protective pipe is arranged on the butterfly valve body, the lifting block is fixedly arranged on the sliding rod and located in the protective pipe, the lifting block is located in the groove and symmetrically provided with tooth rows, a rotating wheel and a rotating wheel located in the groove are rotatably arranged on the protective pipe, a semi-rotating tooth is arranged on the rotating wheel, the semi-rotating tooth is meshed with the tooth rows for transmission, and a driving device used for driving the rotating wheel to rotate is arranged on the protective pipe.
4. A worm-wheel pair-clamp butterfly valve according to claim 3, characterized in that: the driving device comprises a rotating handle, the rotating wheel is rotatably arranged on the protective pipe through a rotating shaft, the rotating shaft penetrates out of the protective pipe, and the rotating handle is arranged on the rotating shaft.
5. The worm-wheel pair-clamp butterfly valve of claim 4, wherein: and a sealing plate for sealing the protective pipe is fixedly arranged on the lifting block.
6. The worm-wheel pair-clamp butterfly valve of claim 1, wherein: the impurity bucket threaded connection locates in the first passageway, be equipped with second sealing device between impurity bucket and the butterfly valve body.
7. The worm-wheel pair-clamp butterfly valve of claim 2, wherein: the first sealing device is as follows: a first sealing sleeve.
8. The worm-wheel pair-clamp butterfly valve of claim 6, wherein: the second sealing device is as follows: and a second seal ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121462445.3U CN216009587U (en) | 2021-06-29 | 2021-06-29 | Worm wheel butt-clamping butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121462445.3U CN216009587U (en) | 2021-06-29 | 2021-06-29 | Worm wheel butt-clamping butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216009587U true CN216009587U (en) | 2022-03-11 |
Family
ID=80590460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121462445.3U Active CN216009587U (en) | 2021-06-29 | 2021-06-29 | Worm wheel butt-clamping butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216009587U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114602226A (en) * | 2022-03-25 | 2022-06-10 | 华光阀门有限公司 | High-efficient sealed slot butterfly valve |
-
2021
- 2021-06-29 CN CN202121462445.3U patent/CN216009587U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114602226A (en) * | 2022-03-25 | 2022-06-10 | 华光阀门有限公司 | High-efficient sealed slot butterfly valve |
| CN114602226B (en) * | 2022-03-25 | 2024-02-13 | 华光阀门有限公司 | High-efficient sealed slot butterfly valve |
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