CN112983829A

CN112983829A - Splash-proof water pump

Info

Publication number: CN112983829A
Application number: CN202110167851.5A
Authority: CN
Inventors: 侯义刚; 李国庆; 斯廷福
Original assignee: Shanghai Chuangli Refrigeration Equipment Co ltd
Current assignee: Shanghai Chuangli Refrigeration Equipment Co ltd
Priority date: 2021-02-07
Filing date: 2021-02-07
Publication date: 2021-06-18
Anticipated expiration: 2041-02-07
Also published as: CN112983829B

Abstract

The utility model relates to a splashproof water pump, it is including the motor casing that connects gradually, connect casing and spiral case, install the water pump motor in the motor casing, the output shaft of water pump motor is located the connecting shell, install centrifugal impeller in the spiral case, and the coaxial fixed setting of centrifugal impeller is on the output shaft of water pump motor, the water pump delivery port has been seted up to the one end of spiral case, the connecting shell is close to one side of spiral case and has been seted up one-level drainage mesh, be provided with the manger plate strip on the inner wall of connecting the casing, the length direction of manger plate strip is parallel with centrifugal impeller. This application utilizes manger plate strip, one-level drainage mesh, manger plate circle and second grade wash port and tertiary wash port, can restrain effectively and weaken the centrifugal force that rivers produced at the in-process that upwells, and the effectual rivers that prevent continue to make progress and climb, prevent in rivers enter into the motor, cause the trouble of motor, and meanwhile can also effectual suppression water pump effect that the splash splashes in the course of the work.

Description

Splash-proof water pump

Technical Field

The application relates to the technical field of ice machines, in particular to a splash-proof water pump.

Background

In order to realize internal water circulation in the continuous ice maker, a water pump needs to be installed in a water tank. In the related art, as shown in fig. 7, a centrifugal water pump includes a motor casing 10, a connecting casing 20, and a volute casing 30 connected to each other, a water pump motor 40 is installed in the motor casing 10, an output shaft of the water pump motor 40 is located in the connecting casing 20, a centrifugal impeller 50 is installed in the volute casing 30, the centrifugal impeller 50 is coaxially fixed to the output shaft of the water pump motor 40, a water pump outlet 301 is opened at one end of the volute casing 30, three upwelling water outlets 60 disposed in a kidney-shaped hole are spaced apart from each other along a length direction of the connecting casing 20, and the three upwelling water outlets 60 are disposed near the volute casing 30.

According to the related technology, in the working process of the water pump, the water pump motor drives the centrifugal impeller to rotate through the output shaft of the motor, and water is pressed into the volute and discharged through the water outlet of the water pump under the centrifugal force action of high-speed rotation of the centrifugal impeller because the centrifugal impeller is immersed in the water; meanwhile, under the action of centrifugal force, water can be discharged from the upwelling water outlet along the output shaft of the motor and the connecting shell, however, due to the fact that the centrifugal force is too large, the water discharged from the upwelling water outlet can form a great splashing phenomenon, water splash in the ice machine can splash all the time, in the running process of the ice machine, the water splash in the ice machine can cause a plurality of bad results to the ice machine, and a part to be improved exists.

Disclosure of Invention

In order to restrain the water pump effectively at the in-process of work, the phenomenon that ice-making machine internal product rivers splash, this application provides a splashproof water pump.

The application provides a splashproof water pump adopts following technical scheme:

the utility model provides a splashproof water pump, includes the motor casing that connects gradually, connects casing and spiral case, install the water pump motor in the motor casing, the output shaft of water pump motor is located the connecting shell, install centrifugal impeller in the spiral case, just the coaxial fixed setting of centrifugal impeller is on the output shaft of water pump motor, the water pump delivery port has been seted up to the one end of spiral case, connecting one side that the casing is close to the spiral case and having seted up one-level drainage mesh, be provided with the manger plate strip on the inner wall of connecting the casing, the length direction of manger plate strip is parallel with centrifugal impeller's axis of rotation.

By adopting the technical scheme, in the working process of the water pump, the water pump motor drives the impeller to rotate at high speed through the motor shaft, water flow can be brought into the connecting shell by strong centrifugal force, at the moment, the water retaining strip arranged on the inner wall of the connecting shell is utilized to play a role of blocking vortex generated in the connecting shell, the centrifugal force generated in the upwelling process of the vortex water flow can be effectively inhibited, when water is thrown out through the primary drainage mesh, the centrifugal force carried in the water flow is greatly weakened, and therefore splashing of water splash is effectively inhibited; utilize the setting of one-level drainage mesh, on the one hand, when playing the effect of unloading to the rivers that splash, still do not hinder the function of its drainage, on the other hand, can be effectively with rivers in the connection shell and the outer rivers of connection shell, carry out the boundary effectively, make the rivers of connecting the shell week and surveying can not receive the influence of connecting the shell vortex water, and then guarantee in the basin that lie in the rivers that connect shell week side and be the stationary state, also help preventing that the basin from having splashed splash in the week side of connecting the shell.

Preferably, a water retaining ring is fixedly arranged above the water retaining strip in the connecting shell, and the water retaining ring is in insertion fit with an output shaft of the water pump motor.

By adopting the technical scheme, the water retaining ring arranged above the water retaining strip is utilized, on one hand, the force unloading effect of the water retaining strip on the vortex water body is not hindered, and on the other hand, the water retaining ring has the function of blocking upwelling water flow, so that most of the upwelling water flow flows out of the primary drainage mesh below the water retaining ring, and the upwelling water flow connected with the shell is discharged through the primary drainage mesh; and effectively restrain upwelling water flow from rising to the interior of the water pump motor, and the water pump motor is protected.

Preferably, the water retaining ring is provided with a secondary drainage hole.

Through adopting above-mentioned technical scheme, utilize the second grade wash port of seting up on the manger plate circle, will be connected the interior rivers that gush up that are blocked of casing and discharge from the second grade wash port, help preventing to gush up rivers and continue upwards to gush into along the output shaft of water pump motor in the clearance between manger plate circle and the water pump motor output shaft, and have stronger power of unloading effect to the rivers that are centrifugal motion.

Preferably, the connecting shell is provided with a third-level drain hole above the water retaining ring.

Through adopting above-mentioned technical scheme, utilize the tertiary wash port that the connection casing is located the manger plate circle top and offers, will discharge from connecting the casing through the rivers that the manger plate circle unloaded power effect down, and then help will connect the rivers in the casing and discharge completely, and under the power of unloading effect through manger plate strip, one-level drainage mesh and manger plate strip, the discharged water can be discharged from the outer wall of connecting the casing with the mode that overflows, and then has further inhibited the splash.

Preferably, the water bars are arranged on the inner wall of the connecting shell in a circumferential array mode, and the water retaining ring is fixedly connected with one end, far away from the centrifugal impeller, of any one water bar.

Through adopting above-mentioned technical scheme, utilize circumference array to be provided with a plurality of water bars on connecting shells inner wall, on the one hand, the reinforcing is to the power of unloading of vortex effect, and on the other hand plays the effect of strengthening rib to the inside of connecting the casing, helps improving the structural strength who connects casing self, and has the effect of supporting fixed connection to the water retaining ring.

Preferably, the top that is located tertiary wash port in the connecting shell can be dismantled fixedly connected with insurance retaining ring, insurance retaining ring forms the cooperation of pegging graft with the output shaft of water pump motor:

through adopting above-mentioned technical scheme, utilize the insurance retaining ring that can dismantle fixed connection in the connecting shell, as last defence line, optionally installation improves the protectiveness to the water pump motor.

Preferably, the water bar is arranged obliquely along the direction pointing to the inner side of the connecting shell.

Through adopting above-mentioned technical scheme, be the slope setting with the water bar along the inboard direction of directional connection casing, increased with centrifugal motion's rivers area of contact, further increased the hindrance effect to rivers promptly.

Preferably, the axis of the primary drainage mesh is arranged obliquely along the direction pointing to the inner side of the connecting shell.

By adopting the technical scheme, the axis of the primary drainage mesh is obliquely arranged along the direction pointing to the inner side of the connecting shell, so that on one hand, the distance of water flow passing through the primary drainage mesh is increased, and further the weakening effect on splashing water flow is improved; on the other hand, when the axis of one-level drainage mesh is opposite to that of water flow centrifugal motion, the difficulty in water flow entering the one-level drainage mesh is improved, and then the blocking effect on water flow splashing is enhanced.

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

by utilizing the water retaining strip, the primary drainage mesh, the water retaining ring, the secondary drainage hole and the tertiary drainage hole, the centrifugal force generated in the upwelling process of water flow can be effectively inhibited and weakened, the water flow is effectively prevented from continuously ascending upwards, the water flow is prevented from entering the motor to cause the fault of the motor, and meanwhile, the splashing effect of a water pump in the working process can be effectively inhibited;

by means of the water retaining strips and the primary drainage meshes which are arranged in an inclined manner, the weakening effect on upwelling water flow is greatly enhanced;

utilize the setting of one-level drainage mesh, on the one hand, when playing the effect of unloading to the rivers that splash, still do not hinder the function of its drainage, on the other hand, can be effectively with rivers in the connection shell and the outer rivers of connection shell, carry out the boundary effectively, make the rivers of connecting the shell week and surveying can not receive the influence of connecting the shell vortex water, and then guarantee in the basin that lie in the rivers that connect shell week side and be the stationary state, also help preventing that the basin from having splashed splash in the week side of connecting the shell.

Drawings

Fig. 1 is a partial sectional view mainly showing the overall structure of a splash proof water pump according to an embodiment of the present application;

FIG. 2 is a partial sectional view of a connecting housing structure according to an embodiment of the present invention;

FIG. 3 is a schematic view of a water bar structure according to a second embodiment of the present disclosure;

FIG. 4 is a schematic view of a primary drainage mesh structure according to a third embodiment of the present invention;

FIG. 5 is a schematic view of a first stage drainage mesh structure according to a fourth embodiment of the present invention;

FIG. 6 is a schematic view of a fifth embodiment of the present invention, which mainly shows the structure of the ring embedding groove, the safety ring and the sealing sleeve;

fig. 7 is a partial sectional view showing an overall structure of a centrifugal water pump in the related art.

Reference numerals: 1. a motor housing; 2. connecting the shell; 21. embedding a ring groove; 3. a volute; 31. a water outlet of the water pump; 4. a water pump motor; 5. a centrifugal impeller; 6. a first stage drainage mesh; 7. a water bar; 8. a water retaining ring; 81. a secondary drain hole; 9. a third-level drain hole; 10. a safety check ring; 101. and (5) sealing the sleeve.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses splashproof water pump.

Example 1:

referring to fig. 1 and 2, the splash-proof water pump comprises a motor casing 1, a connecting casing 2 and a volute 3 which are sequentially connected and matched up and down, a water pump motor 4 is installed in the motor casing 1, the connecting casing 2 is a similar cylindrical casing, an output shaft of the water pump motor 4 is positioned in the connecting casing 2, a centrifugal impeller 5 is installed in the volute 3, the centrifugal impeller 5 is coaxially fixed on the output shaft of the water pump motor 4, and a water pump water outlet 31 connected with a water outlet pipe is formed in one radial side of the volute 3; one side of the connecting shell 2 close to the volute 3 is symmetrically provided with two primary drainage meshes 6 along the radial direction of the connecting shell; since the two primary drainage meshes 6 have the same structure, one of the primary drainage meshes 6 is illustrated as an example.

Referring to fig. 1 and 2, the first-stage drain mesh 6 has twelve small drain holes, and the twelve small drain holes ascend row by row in a left-right staggered manner with two small drain holes as a row, each drain hole has a smaller diameter, and the axes of each drain hole are parallel to each other and are horizontally arranged.

Referring to fig. 1 and 2, utilize the setting of one-level drainage mesh 6, when playing the effect of unloading to the rivers that splash, still do not hinder the function of its drainage, on the other hand, can be effectively with the rivers of connecting in the casing 2 and the rivers outside connecting the casing 2, carry out the boundary effectively, make the rivers of connecting 2 week surveys of casing can not receive the influence of connecting 2 vortex water bodies of casing, and then guarantee that the rivers that lie in connecting 2 week sides of casing in the basin are steady state, also help preventing to connect the water splash of 2 week sides of casing.

Referring to fig. 1 and 2, a plurality of water bars 7 are integrally formed on the inner wall of the connecting shell 2 in a circumferential array manner, in the embodiment of the present application, four water bars 7 are provided, two primary drainage mesh holes 6 are located between two adjacent water bars 7, and the length direction of any one water bar 7 is parallel to the rotation axis of the centrifugal impeller 5. At the in-process of water pump work, water pump motor 4 passes through the motor shaft and drives the high-speed rotation of impeller, rivers can be brought into by powerful centrifugal force and connect in the casing 2, at this moment, utilize four water bars 7 that set up on connecting 2 inner walls of casing, play the effect of hindrance to the vortex that produces in connecting casing 2, can restrain the centrifugal force that vortex rivers produced at the in-process that upwells effectively, make when rivers are thrown away through one-level drainage mesh 6, the centrifugal force that carries in the rivers has been weakened greatly, consequently the splash is splashed by effectual suppression.

Referring to fig. 1 and 2, the end integrated into one piece that centrifugal impeller 5 was kept away from to integrative being located four breakwater 7 on connecting casing 2 inner wall has manger plate circle 8, this manger plate circle 8 forms the cooperation of pegging graft with the output shaft of water pump motor 4, and the circumference array has seted up a plurality of second grade wash ports 81 on the manger plate circle 8, in this application embodiment, eight have been seted up to second grade wash ports 81, and connect casing 2 to be located the top of manger plate circle 8 and set up two tertiary wash ports 9 that are the waist type setting along its self radial symmetry. In actual use, the water retaining ring 8 is used for further blocking upwelled water flow, wherein the eight secondary drainage holes formed in the water retaining ring 8 are beneficial to preventing the upwelled water flow from continuously flowing upwards along the output shaft of the water pump motor 4 from a gap between the water retaining ring 8 and the output shaft of the water pump motor 4; the water flow under the action of the force of the water retaining ring 8 is discharged from the third-stage water discharge holes 9 and is discharged from the outer wall of the connecting shell 2 in an overflowing manner, and splashing of water is further inhibited.

The implementation principle of a splashproof water pump of the embodiment of this application does:

in the working process of the water pump, the water pump motor 4 drives the impeller to rotate at a high speed through the motor shaft, water pumping operation is carried out when entering a field, and during the period, water flow can be brought into the connecting shell 2 by strong centrifugal force, at the moment, the four water retaining strips 7 arranged on the inner wall of the connecting shell 2 are firstly utilized to play a role in blocking vortex generated in the connecting shell 2, so that the centrifugal force generated in the upwelling process of the vortex water flow can be effectively inhibited and weakened; then, the weakened water flow is discharged from the primary water discharge mesh 6, and at the moment, the centrifugal force carried in the water flow is greatly weakened, so that splash is effectively inhibited;

when the water flow continues to upwelling, the water flow passes through the blocking effect of the water retaining ring 8, the upwelling force is further weakened, and most of the water flow is discharged from the first-stage water discharge hole; for the water flow passing through the secondary drainage holes 81, the force in the water flow is mostly weakened, and finally, the upwelled water flow is discharged from the two tertiary drainage holes 9 in an overflowing manner from the outer wall of the connecting shell 2; the water flow entering the connecting shell 2 from the centrifugal impeller 5 sequentially passes through four water bars 7, two first-level drainage meshes 6, a water retaining ring 8, eight second-level drainage holes 81 and two third-level drainage holes 9 under the weakening effect, so that the phenomenon that the water flow generated in the ice making machine splashes in the working process of the water pump is effectively inhibited;

in addition, in the embodiment, the connecting shell 2, the water bar 7, the water retaining ring 8, the first-stage drainage mesh 6, the second-stage drainage hole 81 and the third-stage drainage hole 9 can be integrally formed by a mold, so that the manufacturing cost is greatly reduced; and this kind of mode of restraining splash is splashed need not to rely on other spare parts to the spare part is after long-time the use later stage, because a series of problems such as water pollution go to frequently change spare part.

Example 2:

referring to fig. 1 and 3, the present embodiment is different from embodiment 1 in that,

any water bar 7 is inclined along the direction pointing to the inner side of the connecting shell 2, the inclined direction of any water bar 7 is opposite to the rotating direction of water flow in the connecting shell 2, so that the water flow which moves centrifugally can impact the water bar 7 and the side wall with a smaller included angle of the inner wall of the connecting shell 2, wherein the structure and the inclined angle of the four water bars 7 are the same, and one of the water bars 7 is explained for the example.

The lateral wall that water bar 7 and the less contained angle of connecting 2 inner walls of the shell body set up to A, the axis of connecting 2 sets up to B to the tangent plane of water bar 7 and the junction of connecting 2 inner walls of the shell body, optimally, the contained angle between A and B sets up to C, C sets up to the acute angle, make stopping effect of water bar 7 comparatively show, four water bars 7 are equivalent to the barb that rivers meet in the flow and hinder the check, with the impact area between increase rivers and the water bar 7, further help weakening the centrifugal force in the rivers.

Example 3:

referring to fig. 1 and 4, the present embodiment is different from embodiment 1 in that,

the axes of the two primary drainage meshes 6 are all arranged in an inclined manner along the direction pointing to the inner side of the connecting shell 2, and because the structure and the inclination angle of any one drainage hole in the two primary drainage meshes 6 are the same, the description is given by taking any one drainage hole in one primary drainage mesh 6 as an example.

Referring to fig. 1 and 4, the axis of any one of the drain holes in the primary drain mesh 6 is obliquely arranged downwards along the direction pointing to the outside from the inner side of the connecting shell 2, so that on one hand, the distance of water flow passing through the primary drain mesh 6 is increased, and the weakening effect on splashed water flow is further improved; on the other hand, the water flow passing through the primary drainage mesh 6 is made to flow out in an inclined downward direction, so that the water flow is prevented from splashing to a further outside, and the splashing distance of the water flow is shortened.

Example 4:

referring to fig. 1 and 5, the present embodiment is different from embodiment 2 in that,

the axis of any one wash port in two one-level drainage mesh 6 is the slope setting on the horizontal direction, and the axis of any wash port and the contained angle between the tangent line of making centrifugal motion rivers set up to D, and D sets up to the acute angle for the rivers of making centrifugal motion are difficult to get into to the wash port in one-level drainage mesh 6, have increased the degree of difficulty when rivers get into one-level drainage mesh 6 promptly, and then the reinforcing is to the hindrance effect that rivers splashed.

Example 5:

referring to fig. 1 and 6, the present embodiment is different from embodiment 1 in that,

an embedded ring groove 21 is formed in the port, close to the motor shell 1, of the connecting shell 2, a safety check ring 10 is embedded and fixed in the embedded ring groove 21 in an interference fit mode, and a sealing sleeve 101 is sleeved on the outer wall of the safety check ring 10 to increase the sealing performance between the water retaining ring 8 and the inner wall of the connecting shell 2 and prevent water flow from flowing out of a gap; the output shaft of the water pump motor 4 is in insertion fit with the water retaining ring 8. The safety check ring 10 is used as the last line of defense, a plurality of safety check rings can be selectively installed, and the protection performance of the water pump motor 4 is improved.

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 splashproof water pump which characterized in that: including motor casing (1), connection casing (2) and spiral case (3) that connect gradually, install water pump motor (4) in motor casing (1), the output shaft of water pump motor (4) is located connection casing (2), install centrifugal impeller (5) in spiral case (3), just centrifugal impeller (5) coaxial fixed setting is on the output shaft of water pump motor (4), water pump delivery port (31) have been seted up to the one end of spiral case (3), one-level drainage mesh (6) have been seted up to one side that connection casing (2) are close to spiral case (3), be provided with on the inner wall of connection casing (2) manger plate strip (7), the length direction of manger plate strip (7) is parallel with the axis of rotation of centrifugal impeller (5).

2. The splash proof water pump of claim 1, wherein: a water retaining ring (8) is fixedly arranged above the water retaining strip (7) in the connecting shell (2), and the water retaining ring (8) is in insertion fit with an output shaft of the water pump motor (4).

3. The splash pump as in claim 2, wherein: and a secondary drainage hole (81) is formed in the water retaining ring (8).

4. The splash pump as in claim 3, wherein: and a third-stage drain hole (9) is formed in the connecting shell (2) above the water retaining ring (8).

5. The splash proof water pump of claim 4, wherein: the water retaining strips (7) are arranged on the inner wall of the connecting shell (2) in a circumferential array mode, and the water retaining ring (8) is fixedly connected with one end, far away from the centrifugal impeller (5), of any one water retaining strip (7).

6. The splash proof water pump of claim 5, wherein: the water pump is characterized in that a safety check ring (10) is detachably and fixedly connected to the upper portion, located on the third-stage drain hole (9), of the connecting shell (2), and the safety check ring (10) is in insertion fit with an output shaft of the water pump motor (4).

7. The splash proof water pump of claim 5, wherein: the water retaining strip (7) is obliquely arranged along the direction pointing to the inner side of the connecting shell (2).

8. The splash proof water pump of claim 5, wherein: the axis of the primary drainage mesh (6) is obliquely arranged along the direction pointing to the inner side of the connecting shell (2).