CN112343862A

CN112343862A - Novel self-priming pump and pump case thereof

Info

Publication number: CN112343862A
Application number: CN202011314220.3A
Authority: CN
Inventors: 袁钧婷
Original assignee: Yuelian Electromechanical Co ltd
Current assignee: Yuelian Electromechanical Co ltd
Priority date: 2020-11-21
Filing date: 2020-11-21
Publication date: 2021-02-09
Anticipated expiration: 2040-11-21
Also published as: CN112343862B

Abstract

The application relates to a novel self-priming pump and a pump shell thereof, which relate to the field of water pumps and comprise a base, a motor and a pump shell, wherein an impeller driven by the motor is arranged in the pump shell, the pump shell comprises a shell, a water inlet and a water outlet are formed in the shell, a water inlet connector communicated with the water inlet is connected to the shell in a circumferential rotating manner, at least two water inlets are arranged around the circumference of the shell, a locking piece for locking the water inlet connector is arranged on the shell, when the space of a using scene of the pump body is small and is not enough to integrally rotate to adjust the position of the water inlet, the water inlet connector can be directly communicated with another water inlet by rotating the water inlet connector and is locked by the locking piece, the position of the water inlet can be directly adjusted, the position of the whole pump shell does not need to rotate in the using scene, and the whole adjusting operation is simple, convenient and quick.

Description

Novel self-priming pump and pump case thereof

Technical Field

The application relates to the field of water pumps, in particular to a novel self-sucking pump and a pump shell thereof.

Background

The self-priming pump belongs to from inhaling formula centrifugal pump, and specific type has horizontal and vertical, has compact structure, convenient operation, operates steadily, efficient and longe-lived to have advantages such as stronger from inhaling the ability, the pipeline need not install the bottom valve, only need before the work guarantee the pump body in store up have the ration draw liquid can, different liquid can adopt different materials self-priming pump.

The pump body comprises a pump shell, the pump shell is provided with a water inlet and a water outlet, the water inlet is connected with a suction pipe when in use, the water outlet is connected with a water outlet pipe, the impeller sucks liquid stored in the suction chamber and air in a suction pipeline together during actual work and can be completely mixed in the impeller, and the liquid drives gas to flow towards the outer edge of the volute chamber under the action of centrifugal force.

Aiming at the related technology, the inventor thinks that the occupied space of the horizontal self-priming pump is larger in length, and when some use scenes with smaller spaces, the self-priming pump does not have the whole direction of turning the space, so that the suction pipe and the water inlet are difficult to be well butted, and the applicability is poor.

Disclosure of Invention

In order to improve the suitability, this application provides a novel self priming pump and pump case thereof.

In a first aspect, the present application provides a pump casing that adopts the following technical solution:

the utility model provides a pump case, includes the casing, water inlet and delivery port have been seted up on the casing, circumferential direction is connected with the water supply connector that is used for with the water inlet intercommunication on the casing, the water inlet is provided with two at least around casing circumference, be provided with the locking piece between casing and the water supply connector between them of locking.

Through adopting above-mentioned technical scheme, through setting up a plurality of water inlets on the casing, use the scene space less and be not enough at the pump body and wholly rotate when adjusting the position of water inlet, can directly let its and other water inlet intercommunication through rotating water inlet joint, and lock with the help of the locking piece, reach the direct regulation to the water inlet position, the position of whole pump case need not to rotate during, thereby can be adapted to the different scenes in various inlet tube positions, better suitability is possessed, and whole regulation easy operation is convenient and swift.

Optionally, the water inlet includes a first inlet and a second inlet, and a filter screen is disposed at the second inlet.

Through adopting above-mentioned technical scheme, first import does not have in the filter screen direct intercommunication casing, the second import has the filter screen, thereby can adjust according to the condition of the liquid that extracts, if contain under the condition of impurity in meeting liquid, rotate and adjust and use the second import, filter impurity with the help of the filter screen, reduce the condition that impurity got into in the casing, play corresponding guard action, if when meeting liquid comparatively totally, then rotate and adjust and use first import, do not have the blockking of filter screen this moment, it is better to lead to liquid efficiency.

Optionally, the water inlet joint includes connecting portion, the annular groove that supplies connecting portion circumferential slip is seted up to the casing outer wall.

Through adopting above-mentioned technical scheme, water supply connector slides in the annular with the help of connecting portion to well realization water supply connector's circumference sliding adjustment.

Optionally, the inner wall of the connecting portion is convexly provided with a scraping strip for abutting against the filter screen.

Through adopting above-mentioned technical scheme, with the help of the setting of scraping the strip, when adjusting the slip water supply connector at every turn, the strip of scraping on the connecting portion can strike off remaining impurity on the filter screen, realizes the self-cleaning to the filter screen surface, ensures the good filter effect of filter screen, need not specially to go regularly to clear up the filter screen, and is more convenient.

Optionally, the outer wall of the shell is provided with a sewage draining groove communicated with the annular groove, and the sewage draining groove is vertically arranged.

Through adopting above-mentioned technical scheme, through the settlement in blowdown groove, when rotating water connectors at every turn, when scraping the impurity of scraping on with the filter screen and scraping to blowdown groove, impurity falls to blowdown groove under self gravity to can in time pass through blowdown groove discharge annular with impurity, reduce impurity accumulation and lead to influencing the gliding smoothness nature of water connectors in the annular, well solve the condition that impurity is located the annular and is difficult to the clearance simultaneously.

Optionally, the locking piece includes vertical sliding connection at the spacing strip on connecting portion, when water supply connector and water inlet intercommunication correspond, spacing strip and blowdown groove sliding fit.

Through adopting above-mentioned technical scheme, with the help of the setting of spacing, when rotating water connectors and water inlet and corresponding, spacing corresponds with the blowdown groove, and spacing moves down to slide into the blowdown inslot under the action of gravity and realizes that circumference is spacing for water connectors's stability when the pump case uses, rational utilization blowdown groove's structure, simple structure just realizes corresponding spacing, convenient operation is swift after adjusting water connectors.

Optionally, the vertical length of the connecting portion is greater than the outer diameter of the water inlet, and the connecting portion is annular.

Through adopting above-mentioned technical scheme, set up connecting portion ring, when water supply connector and one of them water inlet intercommunication, connecting portion can cover and shelter from other water inlets to moisture is from other water inlet spun circumstances when well reducing the use.

Optionally, the upper portion of annular is the fender ring with casing detachable connection, the diapire of fender ring is the lateral wall of annular.

Through adopting above-mentioned technical scheme, keep off the ring through setting up the detachable, the installing and removing of connecting portion of being convenient for, when the installation is dismantled earlier keep off the ring pull down can.

Optionally, at least two second inlets are provided, and the pore sizes of the filter screens at different positions of the second inlets are different.

By adopting the technical scheme, the two second inlets have different filtering effects, namely coarse filtering and fine filtering can be realized, and adjustment and selection can be performed according to actual scene requirements in actual use, so that the applicability is wider.

The second aspect, the application provides a novel self priming pump, adopts following technical scheme:

a novel self-priming pump comprises a base, a motor and the pump shell, wherein an impeller driven by the motor is arranged in the pump shell.

Through adopting above-mentioned technical scheme, the self priming pump adopts the water inlet of the pump case that above-mentioned water supply connector can well be adjusted to be applicable to the scene that various spaces are narrow and the inlet tube is located the position difference, the suitability is better.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the angle of the water inlet joint on the pump shell can be adjusted, so that the pump shell is well suitable for scenes with narrow space and different positions of the water inlet pipe, the whole pump shell does not need to be adjusted, and the adjustment operation is convenient and labor-saving;

2. the filter screens with different apertures are arranged on different water inlets, so that the proper water inlet can be adjusted and used to be communicated with the water inlet joint according to the situation that the pumped liquid contains impurities in actual use, and the applicability is better;

3. rotate the in-process of adjusting water supply connector at every turn, scrape the strip and can directly strike off the impurity on the filter screen and discharge with the help of the blowdown groove, realize the self-cleaning to impurity on the filter screen, easy operation is convenient.

Drawings

FIG. 1 is a block diagram of an embodiment of a pump housing of the present application;

FIG. 2 is an exploded view of an embodiment of the pump housing of the present application;

FIG. 3 is a block diagram of embodiment 1 of the novel self-primer pump of the present application;

FIG. 4 is a block diagram of embodiment 2 of the novel self-primer pump of the present application.

Description of reference numerals: 1. a housing; 2. an upper portion; 3. a lower portion; 4. a water inlet; 41. a first inlet; 42. a second inlet; 5. a water outlet joint; 6. a ring groove; 7. a connecting portion; 8. a water inlet joint; 81. a water inlet through hole; 82. a flange plate; 9. a filter screen; 10. scraping the strips; 11. a sewage draining groove; 12. a limiting strip; 121. a hand-held tank; 13. a baffle ring; 14. a screw; 15. a base; 16. a motor; 17. perforating; 18. a limiting rod; 19. and a limiting hole.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a pump casing.

Referring to fig. 1 and 2, a pump case includes a case 1, the case 1 includes an upper portion 2 and a lower portion 3, the inside of the case 1 is hollow, the upper portion 2 is communicated with the inside of the lower portion 3, and a chamber in the lower portion 3 is used for subsequently installing an impeller, wherein the upper portion 2 of the case 1 is cylindrical, and a water inlet 4 communicated with the inside is formed in a side wall of the case 1, the water inlet 4 is uniformly arranged around the circumference, in this embodiment, three water inlets 4 are provided, in other embodiments, two, four or five water inlets 4 are provided, and the angle difference of each water inlet 4 around the circumference is 90 degrees; a water outlet is arranged on the top wall of the upper part 2 of the shell 1, and a water outlet joint 5 communicated with the water outlet is fixedly connected to the upper part 2 corresponding to the water outlet.

As shown in fig. 1 and 2, an annular groove 6 is formed in the outer wall of the upper portion 2, the water inlet 4 is formed in the bottom wall of the annular groove 6, a connecting portion 7 adapted to the annular groove is formed in the annular groove 6, and the connecting portion 7 is annular and can cover all the water inlets 4 to play a role in sealing; the connecting part 7 can rotate circumferentially around the annular groove 6, the outer surface of the connecting part 7 is flush with the outer surface of the upper part 2, the connecting part 7 is integrally provided with a water inlet connector 8, the water inlet connector 8 is provided with a water inlet through hole 81, the water inlet through hole 81 penetrates through the water inlet connector 8 and the connecting part 7, the water inlet through hole 81 is used for being communicated with the water inlet 4 to realize water inlet of the shell 1, and the end parts of the water inlet connector 8 and the water outlet connector 5 are integrally provided with a flange 82 for connection; can adjust through rotating water supply connector 8 like this, let water supply connector 8 and different water inlets 4 communicate to can be applicable to the scene that the space is narrow and inlet tube position is different, need not to adjust whole pump case angular position moreover, adjust convenient operation laborsaving.

As shown in fig. 1 and 2, the water inlet 4 includes a first inlet 41 and a second inlet 42, wherein the second inlets 42 are two and are respectively located at two sides of the first inlet 41, a filter screen 9 is fixedly arranged at the second inlet 42, the outer surface of the filter screen 9 is flush with the bottom wall of the ring groove 6, and the filter hole diameters of the filter screens 9 on the two second inlets 42 are different; can realize the multipurpose of water inlet 4 like this, it is very little when including impurity in the liquid that gets into, can let water inlet connector 8 on intake through-hole 81 and first import 41 intercommunication, liquid can directly let in first import 41 and get into in the casing 1, there is not corresponding hindrance, if when meeting in liquid and contain impurity more, can rotate and adjust water inlet connector 8 and import 42 intercommunication of second, filter the impurity in the liquid with the help of filter screen 9, reduce in impurity gets into the pump case, play good filtering action, two import 42 of second can regard as coarse filtration and fine filtration, specifically can carry out the alternative use according to the impurity particle size.

As shown in fig. 2, a scraping strip 10 for scraping off impurities on the surface of the filter screen 9 is arranged on the inner wall of the connecting portion 7, the scraping strip 10 is vertically arranged, and due to the arrangement of the scraping strip 10, a distance exists between the inner wall of the connecting portion 7 and the bottom wall of the annular groove 6, so that the scraping strip 10 can scrape off the impurities remaining on the surface of the filter screen 9 when the water inlet joint 8 is rotated, and the filter screen 9 can keep a good filtering effect; simultaneously at the outer wall indent of upper portion 2 and set up blowdown groove 11, this blowdown groove 11 vertical setting and top and annular 6 intercommunication, when rotating connecting portion 7 and scraping the impurity on the filter screen 9 like this, when impurity is scraping strip 10 and is pushing away to blowdown groove 11 department, it falls to blowdown groove 11 department under the action of gravity, realizes the automatic discharge of impurity, reduces impurity too much to accumulate in annular 6 and to the smooth gliding influence of connecting portion 7, reaches clearance and the convenient purpose of discharge impurity.

As shown in fig. 1 and 2, a locking member for locking the position of the water inlet connector 8 is arranged between the upper portion 2 of the housing 1 and the connecting portion 7, the locking member includes a plurality of limiting strips 12 vertically slidably connected to the connecting portion 7, a sliding groove for the vertical sliding of the limiting strips 12 is formed on one side of the inner wall of the connecting portion 7, the sliding groove penetrates through the bottom wall of the connecting portion 7, the limiting strips 12 are adapted to the sewage discharge groove 11, the sewage discharge groove 11 is uniformly provided with a plurality of grooves around the circumferential direction, in this embodiment, three sewage discharge grooves 11 are provided, that is, when the water inlet connector 8 rotates to correspondingly communicate with one of the water inlets 4, the position of the limiting strip 12 corresponds to the sewage discharge groove 11, the limiting strip 12 slides down to enter the sewage discharge groove 11 under the action of its own gravity, at this time, a part of the limiting strip 12 is located in the sliding groove of the connecting portion 7, the structure is simple, the operation is convenient, the locking is realized by reasonably utilizing the structure of the sewage draining groove 11, and the structure is effectively simplified; in addition, a hand-held groove 121 is formed in the bottom of the limiting strip 12, and the hand-held groove 121 facilitates force application during operation to push the limiting strip 12 upwards to enable the limiting strip 12 to be retracted into the sliding groove to unlock a locking state; in other embodiments, the locking element may also be a bolt that is radially screwed on the connecting portion 7, and the end of the bolt passes through the connecting portion 7 and abuts against the bottom wall of the annular groove 6, and is locked by the abutting force.

As shown in fig. 1 and 2, the top of the ring groove 6 is a baffle ring 13 detachably connected with the upper part 2 of the housing 1, the baffle ring 13 is detachably connected with the upper part 2 through a screw 14, the baffle ring 13 is vertically sleeved on the upper part 2 and serves as an upper baffle wall of the ring groove 6, and by means of the arrangement, when the connecting part 7 and the water inlet joint 8 are assembled and disassembled, the baffle ring 13 is disassembled only by loosening the screw 14, so that the assembling and disassembling operation of the connecting part 7 are facilitated.

The implementation principle of the embodiment 1 is as follows: the water inlet joint 8 is correspondingly communicated with the first inlet 41 in an initial state, an external water source can enter the shell 1 through the water inlet joint 8, if the current use scene cannot be integrally turned when being influenced by space and the water inlet pipe is positioned in the lateral direction of the water inlet joint 8, the limiting strip 12 can be lifted upwards and retracted into the sliding groove by hand to release the locking state, then the water inlet joint 8 is rotated until the water inlet joint corresponds to and is communicated with the second inlet 42, and at the moment, the limiting strip 12 falls into the sewage discharge groove 11 to realize circumferential locking, so that the water inlet joint 8 can be well butted with the water inlet pipe and the whole pump body is not required to be adjusted in a rotating mode; the scraping strips 10 synchronously complete the scraping of the impurities on the surface of the filter screen 9 in the rotating process of the water inlet joint 8, and the impurities are scraped to the sewage discharge groove 11 and are well discharged; when the pump case did not use, can rotate water supply connector 8 and all stagger with each water inlet 4, water inlet 4 all was in encapsulated situation this moment, reduced the inside condition that outside impurity enters into casing 1 through water supply connector 8.

The embodiment of the application also discloses a novel self-priming pump.

Example 1

Referring to fig. 3, a novel self-priming pump comprises a base 15, a motor 16 and the pump casing, wherein the pump casing and the motor 16 are both fixed on the top wall of the base 15, an output shaft of the motor 16 extends into the pump casing, an impeller is fixedly arranged at the end of the output shaft, and the motor 16 drives the impeller to rotate in the pump casing so as to convey liquid.

Because novel self priming pump adopts foretell pump case, the water supply connector 8 of novel self priming pump can carry out circumference and adjust the operation requirement in order to satisfy more occasions, and the suitability is better.

Example 2

Referring to fig. 4, a novel self-priming pump, embodiment 1 of which is different in the connection structure of a baffle ring 13, in which the baffle ring 13 is sleeved on an upper portion 2 and is in threaded connection with the upper portion 2, the baffle ring 13 is detachable by adopting a threaded connection mode, and the connecting portion 7 can be directly clamped by rotating the baffle ring 13 to achieve the purpose of locking, so that the structure of a corresponding locking piece is omitted; meanwhile, a through hole 17 is formed in the baffle ring 13, a limiting rod 18 penetrates through the through hole 17, a limiting hole 19 for the insertion of the limiting rod 18 is formed in the shell 1, the limiting rod 18 and the limiting hole 19 are matched to realize circumferential locking of the baffle ring 13, the limiting rod 18 can serve as a handheld object, the baffle ring 13 can be better rotated conveniently through the handheld limiting rod 18 during operation, and the operation is more convenient and convenient.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a pump case, includes casing (1), water inlet (4) and delivery port have been seted up on casing (1), its characterized in that: the water inlet pipe is characterized in that a water inlet joint (8) communicated with the water inlet (4) is connected to the shell (1) in a rotating mode in the circumferential direction, the water inlet (4) is at least provided with two water inlets in the circumferential direction of the shell (1), and a locking piece for locking the shell (1) and the water inlet joint (8) is arranged between the shell and the water inlet joint.

2. The pump casing of claim 1, wherein: the water inlet (4) comprises a first inlet (41) and a second inlet (42), and a filter screen (9) is arranged at the second inlet (42).

3. The pump casing of claim 2, wherein: be provided with connecting portion (7) on water supply connector (8), supply connecting portion (7) circumferential slip's annular (6) seted up on casing (1) outer wall.

4. The pump casing of claim 3, wherein: the inner wall of the connecting part (7) is convexly provided with a scraping strip (10) used for being abutted against the filter screen (9).

5. The pump casing of claim 4, wherein: the outer wall of the shell (1) is provided with a sewage draining groove (11) communicated with the annular groove (6), and the sewage draining groove (11) is vertically arranged.

6. The pump casing of claim 5, wherein: the locking piece includes spacing (12) of vertical sliding connection on connecting portion (7), when water supply connector (8) and water inlet (4) intercommunication correspond, spacing (12) and blowdown groove (11) sliding fit.

7. The pump casing of claim 3, wherein: the vertical length of the connecting part (7) is greater than the outer diameter of the water inlet (4), and the connecting part (7) is annular.

8. The pump casing of claim 7, wherein: the upper portion (2) of annular (6) is for keeping off ring (13) of being connected with casing (1) can dismantle, the diapire that keeps off ring (13) is the lateral wall of annular (6).

9. The pump casing of claim 2, wherein: the number of the second inlets (42) is at least two, and the aperture of the filter screen (9) at the position of the second inlet (42) is different.

10. A novel self-priming pump is characterized in that: comprising a base (15), an electric motor (16) and a pump housing according to any one of claims 1-9, in which an impeller driven by the electric motor (16) is arranged.