CN223076248U - Improved full-automatic backwash valve - Google Patents
Improved full-automatic backwash valve Download PDFInfo
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- CN223076248U CN223076248U CN202421800876.XU CN202421800876U CN223076248U CN 223076248 U CN223076248 U CN 223076248U CN 202421800876 U CN202421800876 U CN 202421800876U CN 223076248 U CN223076248 U CN 223076248U
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Abstract
本实用新型涉及污水泵坑的高压清洗技术领域，具体地说是一种改进型全自动反冲洗阀，包括阀体，阀体内设有阀体腔，阀体上部左右两侧分别设有出水口和进水口，阀体的出水口处安装有弯头，阀体的进水口处安装有进水接头，阀体底端安装有上阀盖，上阀盖底端安装有下阀盖，上阀盖与下阀盖之间形成有油腔，阀体腔内底部装设有上橡胶隔膜，上橡胶隔膜上置有浮球，油腔内底部装设有下橡胶隔膜，上阀盖上装设有调节螺钉，上阀盖与调节螺钉内设置有流道，阀体腔与油腔通过流道连通，流道设于上橡胶隔膜下方；本实用新型同现有技术相比，结构新颖、简单，设计合理，能够避免传统结构需要停机进行必要的清洗或维护，从而造成营运成本大大增加的问题。
The utility model relates to the technical field of high-pressure cleaning of sewage pump pits, specifically an improved fully automatic backwash valve, comprising a valve body, a valve body cavity is arranged in the valve body, a water outlet and a water inlet are respectively arranged on the left and right sides of the upper part of the valve body, an elbow is installed at the water outlet of the valve body, a water inlet joint is installed at the water inlet of the valve body, an upper valve cover is installed at the bottom of the valve body, a lower valve cover is installed at the bottom of the upper valve cover, an oil cavity is formed between the upper valve cover and the lower valve cover, an upper rubber diaphragm is installed at the bottom of the valve body cavity, a float is arranged on the upper rubber diaphragm, a lower rubber diaphragm is installed at the bottom of the oil cavity, an adjusting screw is installed on the upper valve cover, a flow channel is arranged in the upper valve cover and the adjusting screw, the valve body cavity and the oil cavity are connected through the flow channel, and the flow channel is arranged below the upper rubber diaphragm; compared with the prior art, the utility model has a novel and simple structure and a reasonable design, and can avoid the problem that the traditional structure needs to be shut down for necessary cleaning or maintenance, thereby greatly increasing the operating cost.
Description
[ Technical field ]
The utility model relates to the technical field of high-pressure cleaning of sewage pump pits, in particular to an improved full-automatic backwash valve.
[ Background Art ]
At present, the sewage in the water collection pit is composed of sediment or a floating slag layer, and a pump station is required to be cleaned periodically. These problems may be caused by the relatively large volume of the sump of the pump station, resulting in insufficient inflow, a large amount of greasy solids in the wastewater in the basin, resulting in unpleasant odors, and reduced operability of the level switch or blocked pump. This requires a shutdown for necessary cleaning or maintenance, thereby greatly increasing the operating costs.
[ Summary of the utility model ]
The utility model aims to solve the defects and provide an improved full-automatic backwash valve, which can solve the problem that the operation cost is greatly increased due to the fact that the traditional structure needs to be stopped for necessary cleaning or maintenance.
The improved full-automatic backwash valve comprises a valve body 1, a valve body cavity 1b is arranged in the valve body 1, a water outlet 1a and a water inlet are respectively arranged on the left side and the right side of the upper portion of the valve body 1, an elbow 11 is arranged at the water outlet 1a of the valve body 1, a water inlet joint 2 is arranged at the water inlet of the valve body 1, an upper valve cover 5 is arranged at the bottom end of the valve body 1, a lower valve cover 7 is arranged at the bottom end of the upper valve cover 5, an oil cavity 13 is formed between the upper valve cover 5 and the lower valve cover 7, an upper rubber diaphragm 14 is arranged at the bottom of the valve body cavity 1b, a floating ball 15 is arranged on the upper rubber diaphragm 14, a lower rubber diaphragm 12 is arranged at the bottom in the oil cavity 13, an adjusting screw 10 is arranged on the upper valve cover 5, a runner is arranged in the upper valve cover 5 and the adjusting screw 10, the valve body cavity 1b is communicated with the oil cavity 13 through the runner, and the runner is arranged below the upper rubber diaphragm 14.
Further, the water inlet joint 2 comprises an inlet nozzle 2a and a connecting thread 2c, the inlet nozzle 2a is arranged on one side of the water inlet joint 2 and extends into the valve body cavity 1b, the connecting thread 2c is arranged on the outer wall of the other side of the water inlet joint 2, and the water inlet joint 2 is connected with a pump outlet through the connecting thread 2 c.
Further, a protrusion is arranged on the outer wall of the middle part of the water inlet joint 2 along the circumferential direction, a sealing groove 2b is arranged at the protrusion, a first sealing ring 16 is arranged in the sealing groove 2b, and the water inlet joint 2 and the valve body 1 are sealed through the first sealing ring 16.
Further, a first counter bore 5a, a second counter bore 5b and a through hole 5c are formed in the upper valve cover 5, the through hole 5c is communicated with the oil cavity 13, the second counter bore 5b is communicated with the valve cavity 1b, the first counter bore 5a is connected between the first through hole 5c and the second counter bore 5b, a first hole 10a and a third hole 10c are formed in the adjusting screw 10, the third hole 10c is communicated with the through hole 5c, the first hole 10a is connected between the third hole 10c and the first counter bore 5a, and the through hole 5c, the third hole 10c, the first hole 10a, the first counter bore 5a and the second counter bore 5b form a flow channel.
Further, the adjusting screw 10 is provided with second holes 10b distributed along the circumferential direction, the second holes 10b are arranged between the adjusting screw 10 and the upper valve cover 5, and the second holes 10b are internally provided with second sealing rings 17.
Further, holes three 10c with different sizes are arranged in different directions on the adjusting screw 10, and the oil floating speed in the oil cavity 13 is adjusted by rotating the direction of the adjusting screw 10, so that the running time of the floating ball 15 to the water outlet 1a is controlled, and the working time of the valve is controlled.
Further, the longitudinal sections of the upper rubber diaphragm 14 and the lower rubber diaphragm 12 are in an inverted omega shape, the extending parts on the left side and the right side of the upper rubber diaphragm 14 are arranged between the valve body 1 and the upper valve cover 5, and the extending parts on the left side and the right side of the lower rubber diaphragm 12 are arranged between the upper valve cover 5 and the lower valve cover 7, so that the upper rubber diaphragm 14 and the lower rubber diaphragm 12 are installed more firmly and reliably.
Further, a gland 9 is arranged at the position of the adjusting screw 10, and the gland 9 is connected with and presses the adjusting screw 10 through a screw IV 8.
Further, the valve body 1 is connected and assembled with the water inlet joint 2 through a first screw 3, the valve body 1 is connected and assembled with the upper valve cover 5 through a second screw 4, and the upper valve cover 5 is connected and assembled with the lower valve cover 7 through a third screw 6.
Compared with the prior art, the utility model has novel and simple structure and reasonable design, as long as the flushing valve is arranged at the pump outlet, when the pump is started, the valve is automatically started, part of the fluid pumped out can be returned into the water collecting pit through the opened cleaning valve, a gush flow is formed in the pit, the direction of the elbow is adjusted, the solid matters in the medium near the pump inlet can be dispersed, so that the solid matters can be more easily discharged by the pump, and the valve automatically stops working when the pump stably operates, thereby avoiding the problem that the traditional structure needs to stop for necessary cleaning or maintenance, thereby greatly increasing the operation cost.
[ Description of the drawings ]
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a front cross-sectional structure of the present utility model;
FIG. 3 is a schematic side sectional view of the present utility model;
In the drawing, 1, a valve body, 2, a water inlet joint, 3, a first screw, 4, a second screw, 5, an upper valve cover, 6, a third screw, 7, an upper valve cover, 8, a fourth screw, 9, a gland, 10, a regulating screw, 11, an elbow, 12, a lower rubber diaphragm, 13, an oil cavity, 14, an upper rubber diaphragm, 15, a floating ball, 16, a first sealing ring, 17, a second sealing ring, 1a, a water outlet, 1b, a valve body cavity, 2a, a nozzle, 2b, a sealing groove, 2c, a connecting thread, 5a, a counter bore, 5b, a counter bore, 5c, a through hole, 10a, a first hole, 10b, a second hole and 10c, and a third hole.
Detailed description of the preferred embodiments
As shown in fig. 1 to 3, the utility model provides an improved full-automatic backwash valve, which comprises a valve body 1, wherein a valve cavity 1b is arranged in the valve body 1, a water outlet 1a and a water inlet are respectively arranged at the left side and the right side of the upper part of the valve body 1, an elbow 11 is arranged at the water outlet 1a of the valve body 1, a water inlet joint 2 is arranged at the water inlet of the valve body 1, an upper valve cover 5 is arranged at the bottom end of the valve body 1, a lower valve cover 7 is arranged at the bottom end of the upper valve cover 5, an oil cavity 13 is formed between the upper valve cover 5 and the lower valve cover 7, an upper rubber diaphragm 14 is arranged at the inner bottom of the valve cavity 1b, a floating ball 15 is arranged on the upper rubber diaphragm 14, a lower rubber diaphragm 12 is arranged at the inner bottom of the oil cavity 13, an adjusting screw 10 is arranged on the upper valve cover 5, a runner is arranged in the upper valve cover 5 and the adjusting screw 10, the valve cavity 1b is communicated with the oil cavity 13 through the runner, and the runner is arranged below the upper rubber diaphragm 14.
The water inlet joint 2 comprises an inlet nozzle 2a and connecting threads 2c, wherein the inlet nozzle 2a is arranged on one side of the water inlet joint 2 and extends into the valve body cavity 1b, the connecting threads 2c are arranged on the outer wall of the other side of the water inlet joint 2, the water inlet joint 2 is connected with a pump outlet through the connecting threads 2c, a bulge is arranged on the outer wall of the middle part of the water inlet joint 2 along the circumferential direction, a sealing groove 2b is arranged at the bulge, a sealing ring I16 is arranged in the sealing groove 2b, and the water inlet joint 2 and the valve body 1 are sealed through the sealing ring I16.
The valve body 1 is connected and assembled with the water inlet joint 2 through a first screw 3, the valve body 1 is connected and assembled with the upper valve cover 5 through a second screw 4, the upper valve cover 5 is connected and assembled with the lower valve cover 7 through a third screw 6, a gland 9 is arranged at the position of the adjusting screw 10, and the gland 9 is connected with and compresses the adjusting screw 10 through a fourth screw 8. The longitudinal sections of the upper rubber diaphragm 14 and the lower rubber diaphragm 12 are in an inverted omega shape, the extending parts on the left side and the right side of the upper rubber diaphragm 14 are arranged between the valve body 1 and the upper valve cover 5, and the extending parts on the left side and the right side of the lower rubber diaphragm 12 are arranged between the upper valve cover 5 and the lower valve cover 7, so that the upper rubber diaphragm 14 and the lower rubber diaphragm 12 are more firmly and reliably installed.
The upper valve cover 5 is provided with a first counter bore 5a, a second counter bore 5b and a through hole 5c, the through hole 5c is communicated with the oil cavity 13, the second counter bore 5b is communicated with the valve body cavity 1b, the first counter bore 5a is connected between the through hole 5c and the second counter bore 5b, the adjusting screw 10 is provided with a first hole 10a and a third hole 10c, the third hole 10c is communicated with the through hole 5c, the first hole 10a is connected between the third hole 10c and the first counter bore 5a, the through hole 5c, the third hole 10c, the first hole 10a, the first counter bore 5a and the second counter bore 5b form a flow passage, the adjusting screw 10 is also provided with a second hole 10b distributed along the circumferential direction, the second hole 10b is arranged between the adjusting screw 10 and the upper valve cover 5, a second sealing ring 17 is arranged in the second hole 10b, further, different positions on the adjusting screw 10 are provided with the third holes 10c with different sizes, and the floating ball 15 is controlled to float to the water outlet 1a through rotating the direction of the adjusting screw 10 to adjust the speed of oil in the oil cavity 13, and the working time of the valve is controlled.
The utility model is further described below with reference to the accompanying drawings and specific examples:
The utility model provides a novel fully automatic backwash valve, when the pump is started, a part of pumped fluid is returned to the sump through the opened purge valve, a surge is formed in the sump, and solids in the medium near the pump intake are dispersed, so that the solids can be more easily discharged by the pump.
The spray direction of the spray nozzle of the cleaning valve can be directionally controlled, so that the occurrence of sedimentation at the bottom of the water collecting pit or the upward formation of a scum layer, in particular to liquid with higher grease content, is effectively prevented. When the flushing is finished, the pool bottom is flushed in advance, and the cleaning valve is automatically closed to finish the flushing process. The dispersed contaminants are discharged with the medium and during pumping the flush valve will pump open again and automatically complete the flushing process. The basis of the operating principle of the flushing valve is the venturi effect and the pressure difference, so that it does not require additional external bore sub-elements and power units.
The full-automatic backwash valve comprises a valve body 1, a water inlet joint 2, a screw I3, a screw II 4, an upper valve cover 5, a screw III 6, a lower valve cover 7, a screw IV 8, a gland 9, an adjusting screw 10, an elbow 11, a lower rubber diaphragm 12, an oil cavity 13, an upper rubber diaphragm 14, a floating ball 15, a sealing ring I16 and a sealing ring II 17, a water outlet 1a and a valve body cavity 1b are arranged on the valve body, an inlet nozzle 2a, a sealing groove 2b and a connecting thread 2c are arranged on the water inlet joint, a counter bore I5 a, a counter bore II 5b and a through hole 5c are arranged on the upper valve cover, and a hole I10 a, a hole II 10b and a hole III 10c are arranged on the adjusting screw.
As shown in figure 1, the valve body 1 is connected and assembled with the water inlet joint 2 through a screw I3, the valve body 1 is connected and assembled with the upper valve cover 5 through a screw II 4, the upper valve cover 5 is connected and assembled with the lower valve cover 7 through a screw III 6, and the gland 9 is connected and pressed with the adjusting screw 10 through a screw IV 8.
As shown in figure 2, a water outlet 1a and a valve body cavity 1b are arranged on a valve body 1, an inlet nozzle 2a, a sealing groove 2b and connecting threads 2c are arranged on a water inlet joint 2, the connecting threads 2c are connected to a pump outlet, a flushing valve is started by starting the pump, high-speed liquid at the pump outlet flows through the nozzle 2a and flows out from the water outlet 1a, and the solid matters in a medium near the pump inlet of the flushing pump are dispersed by diversion through an elbow 11. The oil cavity 13 is filled with oil, a low pressure area is formed around the oil cavity because the high-speed liquid at the nozzle 2a flows, the oil in the oil cavity 13 flows into the upper cavity through the through hole 5c, the hole three 10c, the hole one 10a, the counter bore one 5a and the counter bore two 5b shown in the attached figure 3, the upper rubber diaphragm 14 floats upwards to drive the floating ball 15 to move upwards, after a period of time, the floating ball 15 finally stops working at the broken line position of the attached figure 2, the outlet valve is closed, after the water pump stops, the oil in the upper cavity flows back into the oil cavity 13, the floating ball 15 falls down, and the flushing valve is automatically started to flush when the water pump is started next time, so that the circulation is realized.
As shown in fig. 3, holes three 10c with different sizes are arranged in different directions on the adjusting screw 10, and the gland 9 is pressed tightly and the sealing ring two 17 is sealed by rotating the direction of the adjusting screw 10, so that the oil floating speed in the oil cavity 13 can be controlled, the time from the floating ball 15 to the water outlet 1a is further controlled, and the working time of the valve is further controlled.
The details not described in detail in this specification belong to the prior art known to those skilled in the art, all standard parts used by the standard parts can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, which are not described in detail.
The present utility model is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principles of the utility model are intended to be equivalent substitutes and are included in the scope of the utility model.
Claims (9)
1. The utility model provides an improved generation full-automatic backwash valve, includes valve body (1), be equipped with valve cavity (1 b) in valve body (1), its characterized in that, valve body (1) upper portion left and right sides is equipped with delivery port (1 a) and water inlet respectively, elbow (11) are installed in delivery port (1 a) department of valve body (1), water inlet joint (2) are installed in the water inlet department of valve body (1), upper valve gap (5) are installed to valve body (1) bottom, lower valve gap (7) are installed to upper valve gap (5) bottom, be formed with oil pocket (13) between upper valve gap (5) and lower valve gap (7), upper rubber diaphragm (14) are installed in valve body cavity (1 b), upper rubber diaphragm (15) are put on upper rubber diaphragm (14), lower rubber diaphragm (12) are installed to bottom in oil pocket (13), upper valve gap (5) are installed adjusting screw (10), be provided with the runner in upper valve gap (5) and adjusting screw (10), upper rubber diaphragm (14) are located in runner (1 b) and oil pocket (13) through runner intercommunication.
2. The improved full-automatic backwash valve of claim 1, wherein the water inlet joint (2) comprises an inlet nozzle (2 a) and connecting threads (2 c), the inlet nozzle (2 a) is arranged on one side of the water inlet joint (2) and extends into the valve body cavity (1 b), the connecting threads (2 c) are arranged on the outer wall of the other side of the water inlet joint (2), and the water inlet joint (2) is connected with the pump outlet through the connecting threads (2 c).
3. The improved full-automatic backwash valve of claim 2, wherein a bulge is arranged on the outer wall of the middle part of the water inlet joint (2) along the circumferential direction, a sealing groove (2 b) is arranged at the bulge, a sealing ring I (16) is arranged in the sealing groove (2 b), and the water inlet joint (2) and the valve body (1) are sealed through the sealing ring I (16).
4. The improved full-automatic backwash valve of claim 1, 2 or 3, wherein the upper valve cover (5) is provided with a first counter bore (5 a), a second counter bore (5 b) and a through hole (5 c), the through hole (5 c) is communicated with the oil cavity (13), the second counter bore (5 b) is communicated with the valve body cavity (1 b), the first counter bore (5 a) is connected between the first counter bore (5 c) and the second counter bore (5 b), the adjusting screw (10) is provided with a first hole (10 a) and a third hole (10 c), the third hole (10 c) is communicated with the first counter bore (5 c), the first hole (10 a) is connected between the third hole (10 c) and the first counter bore (5 a), and the through hole (5 c), the third hole (10 a), the first counter bore (5 a) and the second hole (5 b) form a flow passage.
5. The improved full-automatic backwash valve of claim 4, wherein the adjusting screw (10) is provided with second holes (10 b) distributed along the circumferential direction, the second holes (10 b) are arranged between the adjusting screw (10) and the upper valve cover (5), and second sealing rings (17) are arranged in the second holes (10 b).
6. The improved fully automatic backwash valve according to claim 4, wherein the adjusting screw (10) is provided with holes three (10 c) with different sizes in different directions, and the oil floating speed in the oil cavity (13) is adjusted by rotating the direction of the adjusting screw (10).
7. The improved full-automatic backwash valve of claim 1, wherein the longitudinal sections of the upper rubber diaphragm (14) and the lower rubber diaphragm (12) are in an inverted omega shape, the extending parts on the left side and the right side of the upper rubber diaphragm (14) are arranged between the valve body (1) and the upper valve cover (5), and the extending parts on the left side and the right side of the lower rubber diaphragm (12) are arranged between the upper valve cover (5) and the lower valve cover (7).
8. The improved full-automatic backwash valve of claim 1, wherein a gland (9) is arranged at the adjusting screw (10), and the gland (9) is connected with and compresses the adjusting screw (10) through a screw IV (8).
9. The improved full-automatic backwash valve of claim 1, wherein the valve body (1) is connected and assembled with the water inlet joint (2) through a first screw (3), the valve body (1) is connected and assembled with the upper valve cover (5) through a second screw (4), and the upper valve cover (5) is connected and assembled with the lower valve cover (7) through a third screw (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421800876.XU CN223076248U (en) | 2024-07-29 | 2024-07-29 | Improved full-automatic backwash valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421800876.XU CN223076248U (en) | 2024-07-29 | 2024-07-29 | Improved full-automatic backwash valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223076248U true CN223076248U (en) | 2025-07-08 |
Family
ID=96251370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421800876.XU Active CN223076248U (en) | 2024-07-29 | 2024-07-29 | Improved full-automatic backwash valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223076248U (en) |
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2024
- 2024-07-29 CN CN202421800876.XU patent/CN223076248U/en active Active
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