CN211573791U - Sanitary self-priming pump with high sealing performance - Google Patents
Sanitary self-priming pump with high sealing performance Download PDFInfo
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- CN211573791U CN211573791U CN201922005679.4U CN201922005679U CN211573791U CN 211573791 U CN211573791 U CN 211573791U CN 201922005679 U CN201922005679 U CN 201922005679U CN 211573791 U CN211573791 U CN 211573791U
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- pipeline
- ejection
- spacing recess
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Abstract
The utility model provides a sanitary-grade self priming pump with high leakproofness, places the pump shaft of casing in, the impeller of being connected with the pump shaft in the casing in, be used for driving the pump shaft and be rotary motion's driving motor, be used for sealing the pump cover of casing and be used for connecting the casing and treat the connecting tube between the infusion container, be equipped with the charge-in pipeline that is used for the liquid feeding on the casing and be used for the ejection of compact pipeline of liquid ejection of compact, all be equipped with spacing recess on charge-in pipeline and the ejection of compact pipeline inner wall, spacing recess is closed ring shape, is equipped with a plurality of dog on the spacing recess and connects the spring between dog and spacing recess, the shape looks adaptation of closed interval and spacing recess that the dog encloses, the dog is equipped with the sealing washer of fixed connection in the.
Description
Technical Field
The utility model relates to a cleaning device field especially relates to a sanitary-grade self priming pump with high leakproofness.
Background
The wide application of sanitary self priming pump is in pharmacy, dairy products, makes, fine chemistry industry etc. and require very high trade to the health, and general sanitary centrifugal pump includes impeller, pump shaft, casing and is used for driving the rotatory driving motor of pump shaft, includes feed inlet and discharge gate on the casing, and its principle is: before the self priming pump starts, fill water in the pump case earlier, the centrifugal force that the impeller high-speed rotation produced after the start can discharge water and air from the discharge gate, in the exhaust, the feed inlet can produce a suction, this suction can be discharged the air of feed inlet totally, let the feed inlet form the negative pressure, the atmosphere can be given the water pressure and enter the vacuum pipe inside after forming the negative pressure, just so realized the self-priming function of self priming pump, consequently, the leakproofness of casing is just very important, in case the not good condition of leakproofness appears in discharge gate and the feed inlet on the casing, lead to the inside not enough pressure of casing easily, the efficiency of absorbing water of self priming pump is low, and the sealing device of self priming pump is because long-term contact various liquid, lead to the sealing washer to be corroded easily, make the leakproofness decline.
Disclosure of Invention
In order to solve the problem, the utility model provides a sanitary self priming pump with high leakproofness.
The technical scheme of the utility model: the utility model provides a sanitary-grade self priming pump with high leakproofness, places the pump shaft of casing in, the impeller of being connected with the pump shaft in the casing in, be used for driving the pump shaft and be rotary motion's driving motor, be used for sealing the pump cover of casing and be used for connecting the casing and treat the connecting tube between the infusion container, be equipped with the charge-in pipeline that is used for the liquid feeding on the casing and be used for the ejection of compact pipeline of liquid ejection of compact, all be equipped with spacing recess on charge-in pipeline and the ejection of compact pipeline inner wall, spacing recess is closed ring shape, is equipped with a plurality of dog on the spacing recess and connects the spring between dog and spacing recess, the shape looks adaptation of closed interval and spacing recess that the dog encloses, the dog is equipped with the sealing washer of fixed connection in the.
Adopt above-mentioned technical scheme, when the self priming pump begins work, at first with connecting tube connection on the charge-in pipeline port on the casing, because all be equipped with spacing recess on charge-in pipeline and the ejection of compact pipeline inner wall, spacing recess is closed ring shape, is equipped with a plurality of dog and connects the spring between dog and spacing recess on spacing recess, and dog dorsad spacing recess inner wall one end is equipped with the sealing washer of fixed connection in the dog, consequently, when connecting tube connection was to charge-in pipeline, the dog can receive the connecting tube oppression to move to charge-in pipeline inner wall direction, the sealing washer can follow the dog and move to spacing recess in, can reduce the area of contact of sealing washer and feeding self priming liquid greatly like this, reduce the speed that the sealing washer was corroded, guarantee that the self priming pump keeps high leakproofness always.
The utility model discloses a further setting: the inner wall of the connecting end of the feeding pipeline and the connecting pipeline is provided with threads, the connecting pipeline is provided with threads matched with the threads on the inner wall of the feeding pipeline, and the feeding pipeline is in threaded connection with the connecting pipeline.
By adopting the technical scheme, because the feeding pipeline and the connecting pipeline are connected through the threads, the stability of connection between the feeding pipeline and the connecting pipeline is higher, and the self-sucking pump is further ensured to keep high sealing performance.
The utility model discloses a further setting: the connecting end of the connecting pipeline and the feeding pipeline is provided with a convex block, the convex block is made of rubber, and the diameter of the convex block is slightly larger than that of the connecting pipeline.
Adopt above-mentioned technical scheme, because the link of connecting tube and charge-in pipeline is equipped with the lug, the material of lug is the rubber material, because the rubber material has certain elasticity, consequently, the lug can compressive deformation when beginning getting into charge-in pipeline, when moving to spacing groove position, the lug can resume deformation, the lug can oppress the dog and move to the charge-in pipeline inner wall, the sealing washer can get into in the spacing recess, the area of contact of sealing washer and feeding liquid can be reduced greatly like this, reduce the speed that the sealing washer is corroded, and simultaneously, because the lug of rubber material also has certain leakproofness, the sealing washer can further improve the leakproofness of self priming pump with the lug contact.
The utility model discloses a further setting: the material of ejection of compact pipeline is transparent material, ejection of compact pipeline inner wall is equipped with the scale mark that is used for measuring the interior liquid height of ejection of compact pipeline.
Adopt above-mentioned technical scheme, because the material of ejection of compact pipeline is transparent material, consequently the height of observing the liquid in the ejection of compact pipeline that operating personnel can be more convenient, simultaneously, because ejection of compact pipeline inner wall is equipped with the scale mark that is used for measuring the interior liquid height of ejection of compact pipeline, operating personnel can calculate out the inside pressure condition of self priming pump according to the liquid height survey of ejection of compact pipeline inner wall, the rotational speed that combines the impeller can calculate out the self priming pump pressure loss condition and whether have the not good condition of leakproofness.
Drawings
Fig. 1 is a sectional view of a sanitary self-priming pump with high sealing performance according to an embodiment of the present invention.
Fig. 2 is a schematic structural view of a feeding pipe in a sanitary self-priming pump with high sealing performance according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a connecting pipe in a sanitary self-priming pump with high sealing performance according to an embodiment of the present invention.
Detailed Description
As shown in fig. 1-3, a sanitary self-priming pump with high sealing performance comprises a housing 1, a pump shaft 2 arranged in the housing 1, an impeller 3 connected with the pump shaft 2, a driving motor for driving the pump shaft 2 to rotate, a pump cover for sealing the housing 1, and a connecting pipe 4 for connecting the housing 1 and a container to be infused, a feeding pipeline 5 for liquid feeding and a discharging pipeline 6 for liquid discharging are arranged on the shell 1, the inner walls of the feeding pipeline 5 and the discharging pipeline 6 are both provided with a limiting groove 7, the limiting groove 7 is in a closed ring shape, the limiting groove 7 is provided with a plurality of stop blocks 8 and springs 9 connected between the stop blocks 8 and the limiting groove 7, the shape of the closed area enclosed by the stop block 8 is matched with that of the limiting groove 7, and a sealing ring 10 fixedly connected to the stop block 8 is arranged at one end, back to the inner wall of the limiting groove 7, of the stop block 8.
When the self priming pump begins to work, at first connect connecting tube 4 on 5 ports of charge-in pipeline on casing 1, because all be equipped with spacing recess 7 on charge-in pipeline 5 and the 6 inner walls of ejection of compact pipeline, spacing recess 7 is closed ring shape, be equipped with a plurality of dog 8 on spacing recess 7 and connect in the spring 9 between dog 8 and spacing recess 7, and dog 8 is equipped with fixed connection in the sealing washer 10 of dog 8 dorsad spacing recess 7 inner wall one end, consequently, when connecting tube 4 is connected to on charge-in pipeline 5, dog 8 can receive connecting tube 4 oppression to 5 inner wall directions movements of charge-in pipeline, sealing washer 10 can follow dog 8 and move to spacing recess 7 in, can reduce the area of contact of sealing washer 10 with feed liquid like this greatly, reduce the corroded speed of sealing washer 10, guarantee that the self priming pump keeps high leakproofness always.
The inner wall of the connecting end of the feed pipeline 5 and the connecting pipeline 4 is provided with threads, the connecting pipeline 4 is provided with threads matched with the threads on the inner wall of the feed pipeline 5, and the feed pipeline 5 is in threaded connection with the connecting pipeline 4.
Because charge-in pipeline 5 passes through threaded connection with connecting tube 4, can make the stability of being connected between charge-in pipeline 5 and the connecting tube 4 higher like this, further guarantee that self priming pump keeps high leakproofness.
Connecting tube 4 is equipped with lug 11 with the link of charge-in pipeline 5, the material of lug 11 is the rubber material, and the diameter size of lug 11 slightly is greater than connecting tube 4's diameter size.
Because connecting tube 4 is equipped with lug 11 with charge-in pipeline 5's link, lug 11's material is the rubber material, because the rubber material has certain elasticity, consequently lug 11 can be the compressive deformation when beginning getting into charge-in pipeline 5, when moving to spacing recess 7 positions, lug 11 can resume deformation, lug 11 can oppress dog 8 and move to charge-in pipeline 5 inner wall, sealing washer 10 can get into in the spacing recess 7, can reduce the area of contact of sealing washer 10 with the feeding liquid greatly like this, reduce the speed that sealing washer 10 was corroded, and simultaneously, because rubber material's lug 11 also has certain leakproofness, sealing washer 10 can further improve self priming pump's leakproofness with lug 11 contact.
The material of ejection of compact pipeline 6 is transparent material, 6 inner walls of ejection of compact pipeline are equipped with and are used for measuring the scale mark of the interior liquid height of ejection of compact pipeline 6.
Because ejection of compact pipeline 6's material is transparent material, consequently the height of observing the liquid in ejection of compact pipeline 6 that operating personnel can be more convenient, simultaneously, because ejection of compact pipeline 6 inner wall is equipped with and is used for measuring the scale mark of the interior liquid height of ejection of compact pipeline 6, operating personnel can calculate the inside pressure condition of self priming pump according to the liquid height survey of ejection of compact pipeline 6 inner wall, whether the rotational speed that combines impeller 3 can calculate the self priming pump pressure loss condition and exist the not good condition of leakproofness.
Claims (4)
1. The utility model provides a sanitary-grade self priming pump with high leakproofness, includes the casing, places the pump shaft of casing in, the impeller of being connected with the pump shaft in, be used for driving the pump shaft and be rotary motion's driving motor, be used for sealing the pump cover of casing and be used for connecting the casing and treat the connecting tube between the infusion container, be equipped with the charging conduit who is used for the liquid feeding on the casing and be used for the ejection of compact pipeline of liquid ejection of compact, its characterized in that: all be equipped with spacing recess on charge-in pipeline and the ejection of compact pipeline inner wall, spacing recess is closed ring shape, is equipped with a plurality of dog and connects the spring between dog and spacing recess on the spacing recess, the shape looks adaptation with spacing recess in the closed interval that the dog encloses, the dog is equipped with fixed connection in the sealing washer of dog dorsad spacing recess inner wall one end.
2. A sanitary self-primer pump with high sealing performance as in claim 1 wherein: the inner wall of the connecting end of the feeding pipeline and the connecting pipeline is provided with threads, the connecting pipeline is provided with threads matched with the threads on the inner wall of the feeding pipeline, and the feeding pipeline is in threaded connection with the connecting pipeline.
3. A sanitary self-primer pump with high sealing performance as in claim 2 wherein: the connecting end of the connecting pipeline and the feeding pipeline is provided with a convex block, the convex block is made of rubber, and the diameter of the convex block is slightly larger than that of the connecting pipeline.
4. A sanitary self-primer pump with high sealing performance as in claim 1 wherein: the material of ejection of compact pipeline is transparent material, ejection of compact pipeline inner wall is equipped with the scale mark that is used for measuring the interior liquid height of ejection of compact pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922005679.4U CN211573791U (en) | 2019-11-19 | 2019-11-19 | Sanitary self-priming pump with high sealing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922005679.4U CN211573791U (en) | 2019-11-19 | 2019-11-19 | Sanitary self-priming pump with high sealing performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211573791U true CN211573791U (en) | 2020-09-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922005679.4U Active CN211573791U (en) | 2019-11-19 | 2019-11-19 | Sanitary self-priming pump with high sealing performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211573791U (en) |
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2019
- 2019-11-19 CN CN201922005679.4U patent/CN211573791U/en active Active
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