CN212584018U - Volute of submersible pump - Google Patents
Volute of submersible pump Download PDFInfo
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- CN212584018U CN212584018U CN202020630846.4U CN202020630846U CN212584018U CN 212584018 U CN212584018 U CN 212584018U CN 202020630846 U CN202020630846 U CN 202020630846U CN 212584018 U CN212584018 U CN 212584018U
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- volute
- connecting seat
- base
- casing
- submersible pump
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Abstract
The utility model discloses a submersible pump volute, which relates to the technical field of submersible pumps, and the key points of the technical proposal of the utility model comprise a volute casing, wherein the upper end and the lower end of the volute casing are respectively detachably connected with a volute upper cover and a volute base, and the volute upper cover is used for inserting a driving shaft for driving an impeller body to rotate; the volute base is used for guiding a medium into the volute casing, the volute casing is provided with a water outlet body used for guiding the medium out, the inner side of the water outlet body is provided with a drainage channel, and the inner diameter of one end, close to the volute casing, of the drainage channel is smaller than that of the other end of the volute casing. The utility model discloses a volute casing's upper and lower both ends are connected fixedly through the upper portion connecting seat and the upper cover connecting seat that match each other and the lower part connecting seat and the base connecting seat that match each other respectively, and then reach and show the purpose that reduces the dismantlement installation degree of difficulty of this immersible pump volute, prevent effectively that impurity such as solid particle from being detained and influence the result of use of immersible pump.
Description
Technical Field
The utility model relates to a immersible pump technical field, more specifically says that it relates to a immersible pump volute.
Background
The submersible pump is an important device for pumping water from a deep well, when the submersible pump is used, the whole unit is submerged into water to work, underground water is pumped to the ground surface, and the submersible pump is suitable for the fields of domestic water, mine emergency rescue, industrial cooling, farmland irrigation, seawater lifting, ship load regulation and the like. When the submersible pump is used, the impeller body is driven by the driving shaft to rotate at a high speed, a medium in the submersible pump is driven to rotate along with blades of the impeller body, the medium flies away from the impeller and is ejected outwards under the action of centrifugal force, and the ejected medium can be ejected outwards from the pump body through the volute.
However, the existing submersible pump is integrally formed, so that the submersible pump is influenced to extract media due to retention of impurities such as particulate matters, and the motor of the submersible pump is seriously damaged due to blockage and needs to be improved.
Disclosure of Invention
Not enough to prior art exists, the utility model aims to provide a immersible pump volute, this immersible pump volute have the installation of being convenient for and dismantle to effectively prevent impurity such as solid particle from being detained and influence the effect that the immersible pump effectively used.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a volute of a submersible pump comprises a volute shell, wherein the upper end and the lower end of the volute shell are respectively detachably connected with an upper volute cover and a base of the volute, and the upper volute cover is used for being inserted into a driving shaft for driving an impeller body to rotate; the volute base is used for guiding a medium into the volute casing, the volute casing is provided with a water outlet body used for guiding the medium out, the inner side of the water outlet body is provided with a drainage channel, and the inner diameter of one end, close to the volute casing, of the drainage channel is smaller than that of the other end of the volute casing.
By adopting the technical scheme, the upper end and the lower end of the volute casing are respectively detachably connected and fixed with the volute upper cover and the volute base, so that the aim of remarkably reducing the dismounting and mounting difficulty of the volute of the submersible pump is fulfilled, and the use effect of the submersible pump is effectively prevented from being influenced by the retention of impurities such as solid particles and the like; meanwhile, the arrangement that the inner diameter of the drainage channel close to one end of the volute casing is smaller than that of the other end of the volute casing enables the medium to have the effects of stable flow speed and large flow when being led out of the volute casing.
The utility model discloses further set up to: the upper end of the volute casing is provided with an upper connecting seat, one side of the periphery of the upper volute cover is provided with an upper cover connecting seat which is connected with the upper connecting seat in a matching manner, and the center of the upper volute cover is provided with an insertion hole for inserting a driving shaft.
Through adopting above-mentioned technical scheme, volute casing and volute upper cover are connected fixedly through the upper portion connecting seat and the upper cover connecting seat that match each other, have and show the effect that reduces the dismantlement installation degree of difficulty of this immersible pump volute, prevent effectively that impurity such as solid particle from being detained and influencing the result of use of immersible pump.
The utility model discloses further set up to: and a sealing convex ring is arranged on the inner side wall of the jack, and the hardness of the sealing convex ring is less than that of the driving shaft.
Through adopting above-mentioned technical scheme, after the jack grafting drive shaft, the drive shaft will produce certain friction with sealed bulge loop after rotating, because the hardness of drive shaft is greater than the hardness of sealed bulge loop, and then will make sealed bulge loop wear and tear in the friction, until with the drive shaft complete matching, and then reach and show the purpose that promotes the leakproofness between drive shaft and the volute upper cover.
The utility model discloses further set up to: the upside of volute upper cover is provided with and is located the jack with the annular between the upper cover connecting seat.
Through adopting above-mentioned technical scheme, the annular has the effect that is showing and reduces volute upper cover material and uses, and then is showing the economic benefits who promotes this immersible pump volute.
The utility model discloses further set up to: the lower end of the volute casing is provided with a lower connecting seat, one side of the periphery of the volute base is provided with a base connecting seat which is connected with the lower connecting seat in a matching mode, and the center of the volute base is provided with an inlet channel which is used for guiding media into the volute casing.
Through adopting above-mentioned technical scheme, volute casing and volute base are connected fixedly through the lower part connecting seat and the base connecting seat that match each other, have and show the effect that reduces the dismantlement installation degree of difficulty of this immersible pump volute, prevent effectively that impurity such as solid particle from being detained and influencing the result of use of immersible pump.
The utility model discloses further set up to: the inner diameter of the upper end of the inlet channel is smaller than that of the lower end of the inlet channel.
By adopting the technical scheme, when the medium is introduced into the volute casing from the inflow channel through the impeller body, the flow of the introduced medium is promoted through the inner diameter of the lower end, which is larger than the upper end, and the flow rate of the introduced medium is promoted through the inner diameter of the upper end, which is smaller than the lower end, so that the volute casing of the submersible pump has the effect of obviously promoting the service performance of the submersible pump when the submersible pump is used.
The utility model discloses further set up to: the inner side of the volute base is provided with a fixing groove, and a polymer ring and a supporting backing ring which is in interference connection between the polymer ring and the volute base are arranged in the fixing groove.
By adopting the technical scheme, the macromolecular ring is used for effectively sealing the impeller body and the volute base, so that when a medium enters the volute base through the inflow channel, the medium flows out through the drainage channel after being guided by the impeller body; meanwhile, the supporting backing ring which is connected between the polymer ring and the volute base in an interference manner plays a role in remarkably improving the fixing stability of the polymer ring, and the phenomenon that the sealing performance between the impeller body and the volute base is influenced by the deviation generated by the high polymer under the driving of the impeller body is avoided.
The utility model discloses further set up to: and a plurality of reinforcing ribs distributed in an equal radian are arranged on the peripheral side wall of the water outlet body.
By adopting the technical scheme, the structural strength of the water outlet body is obviously improved, and the service life of the volute of the submersible pump is effectively prolonged.
To sum up, the utility model discloses following beneficial effect has: the upper and lower both ends of volute casing are connected fixedly through the upper portion connecting seat and the upper cover connecting seat that match each other and the lower part connecting seat and the base connecting seat that match each other respectively, and then reach and show the purpose that reduces the dismantlement installation degree of difficulty of this immersible pump volute, prevent effectively that impurity such as solid particle from being detained and influencing the result of use of immersible pump.
Drawings
Fig. 1 is a schematic structural diagram of the present embodiment.
Description of reference numerals: 1. a volute housing; 11. discharging the water body; 111. reinforcing ribs; 112. a flow channel is arranged; 12. a lower connecting seat; 13. an upper connecting seat; 14. a volute ring cavity; 2. a scroll upper cover; 21. a jack; 211. a sealing convex ring; 22. an upper cover connecting seat; 23. a ring groove; 3. a volute base; 31. entering a flow channel; 32. fixing grooves; 33. a base connecting seat; 4. a polymer ring; 5. and supporting the backing ring.
Detailed Description
In order to make the technical solutions and advantages of the present invention clearer, the present invention will be described in further detail below with reference to the accompanying drawings.
As shown in fig. 1, a volute for a submersible pump comprises a volute casing 1. The upper end and the lower end of the volute casing 1 are respectively detachably connected with a volute upper cover 2 and a volute base 3. The upper cover 2 of the volute is used for inserting a driving shaft for driving the impeller body to rotate. It should be noted that the upper end of the scroll casing 1 is provided with an upper connecting seat 13, and an upper cover connecting seat 22 connected with the upper connecting seat 13 in a matching manner is arranged on one side of the periphery of the scroll upper cover 2. An insertion hole 21 for inserting a driving shaft is provided at the center of the scroll upper cover 2. Therefore, volute casing 1 and volute upper cover 2 are connected fixedly through the upper portion connecting seat 13 and the upper cover connecting seat 22 that match each other, have and show the effect that reduces the dismantlement installation degree of difficulty of this immersible pump volute, prevent effectively that impurity such as solid particle from being detained and influencing the result of use of immersible pump.
It should be mentioned that a sealing collar 211 is provided on the inner side wall of the insertion hole 21. The hardness of the sealing convex ring 211 is smaller than that of the driving shaft, and then after the driving shaft is inserted into the insertion hole 21, the driving shaft generates certain friction with the sealing convex ring 211 after rotating, and because the hardness of the driving shaft is larger than that of the sealing convex ring 211, the sealing convex ring 211 is worn in the friction until being completely matched with the driving shaft, so that the purpose of remarkably improving the sealing performance between the driving shaft and the volute casing upper cover 2 is achieved while the generation error of a product is avoided. In order to improve the economic benefit of the submersible pump volute, a ring groove 23 is provided between the insertion hole 21 and the upper cover connection seat 22 on the upper side of the volute upper cover 2. The ring groove 23 has an effect of remarkably reducing the material usage of the upper cover 2 of the scroll.
As shown in fig. 1, the scroll base 3 is used to introduce a medium into the scroll casing 1. And a lower coupling seat 12 is provided at the lower end of the scroll case 1. Correspondingly, a base connecting seat 33 is arranged on one side of the periphery of the volute base 3 and is connected with the lower connecting seat 12 in a matching way. And an inflow channel 31 for introducing a medium into the scroll housing 1 is provided at the center of the scroll base 3. Therefore, volute casing 1 and volute base 3 are connected fixedly through lower part connecting seat 12 and base connecting seat 33 that match each other, have and show the effect that reduces the dismantlement installation degree of difficulty of this immersible pump volute, effectively prevent impurity such as solid particle from being detained and influence the result of use of immersible pump. It should be mentioned that the inner diameter of the upper end of the inlet channel 31 is smaller than the inner diameter of the lower end, so that when the medium is introduced into the volute from the inlet channel 31 through the impeller body, the flow of the introduced medium is increased by the inner diameter of the lower end larger than the upper end, and the flow rate of the introduced medium is increased by the inner diameter of the upper end smaller than the lower end, so that the volute of the submersible pump has the effect of remarkably improving the service performance of the submersible pump when the submersible pump is used. Meanwhile, a fixing groove 32 is provided at the inner side of the scroll base 3. The fixing groove 32 is provided therein with a polymer ring 4 and a support backing ring 5 which is connected between the polymer ring 4 and the scroll base 3 in an interference manner. The polymer ring 4 is used for effectively sealing the impeller body and the volute base 3, so that when a medium enters the volute base 3 through the inlet channel 31, the medium flows out through the discharge channel 112 after being guided by the impeller body; meanwhile, the supporting backing ring 5 connected between the polymer ring 4 and the volute base 3 in an interference manner plays a role in remarkably improving the fixing stability of the polymer ring 4, and the phenomenon that the sealing performance between the impeller body and the volute base 3 is influenced by the deviation generated by the high polymer under the driving of the impeller body is avoided.
It should be mentioned that the volute casing 1 is provided with a water outlet body 11 for discharging the medium. The inside of the water outlet body 11 is provided with a discharge passage 112. The inner diameter of the discharge passage 112 near one end of the scroll casing 1 is smaller than that of the other end. And a plurality of reinforcing ribs 111 distributed in an equal arc are provided on the outer peripheral side wall of the water outlet body 11. Therefore, the upper end and the lower end of the volute casing 1 are detachably connected and fixed with the volute upper cover 2 and the volute base 3 respectively, so that the aim of remarkably reducing the difficulty in dismounting and mounting the volute of the submersible pump is fulfilled, and the use effect of the submersible pump is effectively prevented from being influenced by the retention of impurities such as solid particles and the like; meanwhile, the arrangement that the inner diameter of the discharge passage 112 close to one end of the volute casing 1 is smaller than that of the other end of the volute casing 1 enables the medium to have the effects of stable flow speed and large flow when being led out of the volute casing 1. And the reinforcing ribs 111 play a role in remarkably improving the structural strength of the water outlet body 11, and effectively prolonging the service life of the volute of the submersible pump.
The above is only the preferred embodiment of the present invention, the protection scope of the present invention is not limited to the above embodiments, but all the cases belong to the technical solution of the present invention under the thought all belong to the protection scope of the present invention. It should be noted that modifications and decorations, which would occur to those skilled in the art without departing from the principle of the present invention, should also be considered as the protection scope of the present invention.
Claims (8)
1. A submersible pump volute, its characterized in that: the impeller comprises a volute casing (1), wherein the upper end and the lower end of the volute casing (1) are respectively detachably connected with a volute upper cover (2) and a volute base (3), and the volute upper cover (2) is used for being inserted into a driving shaft for driving an impeller body to rotate; the volute base (3) is used for leading-in medium in the volute casing (1), the volute casing (1) is provided with the play water body (11) that are used for deriving the medium, the inboard of play water body (11) is provided with drainage channel (112), drainage channel (112) are close to the internal diameter of volute casing (1) one end is less than the other end internal diameter.
2. The submersible pump volute of claim 1, wherein: the upper end of the volute casing (1) is provided with an upper connecting seat (13), one side of the periphery of the volute upper cover (2) is provided with an upper cover connecting seat (22) connected with the upper connecting seat (13) in a matching mode, and the center of the volute upper cover (2) is provided with a jack (21) for inserting a driving shaft.
3. A submersible pump volute according to claim 2, wherein: a sealing convex ring (211) is arranged on the inner side wall of the insertion hole (21), and the hardness of the sealing convex ring (211) is smaller than that of the driving shaft.
4. A submersible pump volute according to claim 2, wherein: the upside of volute upper cover (2) is provided with and is located jack (21) with annular (23) between upper cover connecting seat (22).
5. The submersible pump volute of claim 1, wherein: the lower end of the volute casing (1) is provided with a lower connecting seat (12), one side of the periphery of the volute base (3) is provided with a base connecting seat (33) which is connected with the lower connecting seat (12) in a matching mode, and the center of the volute base (3) is provided with an inflow channel (31) which is used for leading media into the volute casing (1).
6. The submersible pump volute of claim 5, wherein: the inner diameter of the upper end of the inflow channel (31) is smaller than that of the lower end.
7. The submersible pump volute of claim 5, wherein: the inner side of the volute base (3) is provided with a fixing groove (32), and a polymer ring (4) and a supporting backing ring (5) which is connected between the polymer ring (4) and the volute base (3) in an interference mode are arranged in the fixing groove (32).
8. The submersible pump volute of claim 1, wherein: and a plurality of reinforcing ribs (111) distributed in an equal radian are arranged on the peripheral side wall of the water outlet body (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020630846.4U CN212584018U (en) | 2020-04-23 | 2020-04-23 | Volute of submersible pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020630846.4U CN212584018U (en) | 2020-04-23 | 2020-04-23 | Volute of submersible pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212584018U true CN212584018U (en) | 2021-02-23 |
Family
ID=74649206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020630846.4U Active CN212584018U (en) | 2020-04-23 | 2020-04-23 | Volute of submersible pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212584018U (en) |
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2020
- 2020-04-23 CN CN202020630846.4U patent/CN212584018U/en active Active
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