CN210164659U - Pump cover and condensate pump with same - Google Patents

Abstract

The utility model relates to a pump cover and having the condensate pump of pump cover, the pump cover includes diapire and lateral wall for inject the first cavity that holds the impeller, the lateral wall is kept away from the one end of diapire is provided with at least one protruding portion that extends from this end, this end of lateral wall be provided with at least one for the recessed recess of protruding portion, at least one protruding portion with at least one recess staggered arrangement.

Description

Pump cover and condensate pump with same

Technical Field

The utility model relates to a pump cover and having the condensate pump of pump cover.

Background

The condensate pump can be used for household appliances such as clothes dryers, air conditioners and the like, and comprises a motor, an impeller, a pump body and a pump cover, wherein the pump body and the pump cover form an impeller cavity for accommodating the rotation of the impeller, the motor uses a permanent magnet synchronous motor, after the motor is electrified, a rotor of the motor drives the impeller to rotate at a high speed, and liquid in the impeller cavity is discharged from the radial direction of the motor to the axial direction of the motor through an arc-shaped flow guide block in the pump cover. Because the impeller cavity volume of condensate pump is limited, lead to the flow limited, can't further promote the flow demand on current mechanism basis.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the problem and the demand mentioned above, provide a pump cover and have the condensate pump of pump cover, it can solve above-mentioned technical problem owing to adopted following technical scheme to other technical advantages have.

According to an aspect of the present invention, a pump cover is provided, including a bottom wall and a side wall for defining a first cavity for accommodating an impeller, the side wall being remote from one end of the bottom wall is provided with at least one protrusion extending therefrom, the end of the side wall is provided with at least one recess relative to the protrusion is recessed, the at least one protrusion is staggered with the at least one recess.

According to the characteristics, the protruding portion and the recessed portion are arranged on the side wall of the pump cover, the impeller moving gap is increased, the operation safety degree of the pump can be improved, splashing generated by drainage is reduced, flow loss is correspondingly reduced, drainage efficiency is improved, the flow of the whole machine is improved, in addition, the first cavity is communicated with the outside through the recessed portion, the pressure difference inside and outside the pump is reduced, and the drainage efficiency is improved.

Pump cover, still include the central line, the protruding part for the central line symmetry sets up.

The pump cover, the peak of protruding portion is on same horizontal plane.

According to the characteristics, the highest points of the protruding parts are on the same horizontal plane, namely the height of the protruding parts is the same, so that the pump cover and the pump body are stable in structure and free of shaking after being assembled.

The pump cover of the utility model, the height range of the protruding part is 0.5-1 mm.

According to the characteristics, the height of the protruding part is selected to increase the flow rate and ensure the sealing performance of the assembled pump cover and pump body.

Pump cover, the longitudinal section shape of protruding portion is one of rectangle, trapezoidal or arc.

The pump cover, the longitudinal section shape of protruding portion is the rectangle, the thickness of protruding portion is less than the thickness of lateral wall, the surface of protruding portion with the surface of lateral wall is in the coplanar to form the echelonment cross-section.

Pump cover, still include: the plurality of buckles are arranged on the outer surface of the side wall and are configured to connect the pump cover and the pump body in a matched mode.

According to the above features, the provision of the buckle facilitates mounting and fixing.

Pump cover, still include: a water inlet disposed in the bottom wall to allow fluid to enter the pump cover.

Pump cover, still include: an arcuate deflector block disposed within the sidewall configured to divert a fluid direction from 80 ° to 100 ° from a horizontal direction.

According to the characteristics, the arc-shaped guide block can change the direction of the fluid and turn the fluid in the horizontal direction by 80-100 degrees.

Pump cover, the lateral wall includes that the cross-section is roughly the second lateral wall of the roughly rectangle of circular shape first lateral wall and cross-section.

The pump cover, the protruding portion is including setting up the first protruding portion of first lateral wall is in with the setting the second protruding portion of second lateral wall.

According to the characteristics, the second protruding part extends on the whole side wall of the second side wall, the sealing performance of the pump cover and the pump body after assembly can be guaranteed, and meanwhile, the space in the cavity of the pump cover is communicated with the atmosphere, so that the pressure difference between the interior of the pump cover and the outside is reduced, and the drainage efficiency is improved.

The pump cover, the second protruding portion sets up wholly on the second lateral wall.

The pump cover, still include a plurality of shank, the shank is followed the diapire with one side opposite first cavity is outwards extended.

According to above characteristic, because the condensate pump contacts with the bottom surface of the basin at the lower extreme of during operation pump cover 100, the shank can be so that there is the interval between pump cover and the bottom surface of the basin, avoids the water inlet to be plugged up.

According to an aspect of the utility model, a condensate pump is proposed, including the pump body and above-mentioned pump cover, the pump cover with pump body cooperation is connected to form the first cavity that allows the fluid to pass through.

Condensate pump, first cavity recess and external atmosphere intercommunication.

Condensate pump, the pump body include second cavity and third cavity, the third cavity is located inside the second cavity.

Condensate pump, still include: a stator assembly disposed within the second cavity; a rotor assembly rotatably disposed within the third cavity; and the impeller is fixedly connected with the rotor assembly and is rotatably arranged in the first cavity.

Condensate pump, the pump body still includes the outlet pipe, the outlet pipe with first cavity fluid intercommunication to allow the fluid to discharge the pump body.

According to above characteristic, the utility model provides a condensate pump can improve the mounted position of impeller including the pump cover that has the protruding portion after the assembly, increases the drunkenness clearance between impeller and the diapire for impeller exhaust fluid improves with the striking point of arc water conservancy diversion piece, increases the efficiency that the fluid direction switches, reduces the flow loss that the drainage splashes and brings simultaneously, and increases the space in the pump chamber, improves the complete machine flow.

The following description of the preferred embodiments for carrying out the present invention will be made in detail with reference to the accompanying drawings so that the features and advantages of the present invention can be easily understood.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments of the present invention will be briefly described below. The drawings are intended to depict only some embodiments of the invention, and not all embodiments of the invention are limited thereto.

FIG. 1 illustrates a perspective view of a pump cap according to an embodiment of the present invention;

FIG. 2A illustrates a front view of the pump cap shown in FIG. 1;

FIG. 2B illustrates a cross-sectional view of the pump cap shown in FIG. 1 taken along a centerline;

FIG. 3 illustrates an expanded view of the sidewall of the pump cap of FIG. 1 along a centerline;

FIG. 4A illustrates a top view of the pump cap shown in FIG. 1;

FIG. 4B illustrates a bottom view of the pump cap shown in FIG. 1;

FIG. 5 illustrates a partial longitudinal cross-sectional view of a tab of the pump cap shown in FIG. 1;

fig. 6 shows a perspective view of a condensate pump according to an embodiment of the present invention;

FIG. 7 illustrates an exploded view of the condensate pump shown in FIG. 6;

FIG. 8 illustrates a front view of the condensate pump shown in FIG. 6;

FIG. 9 illustrates a cross-sectional view of the condensate pump of FIG. 6 taken along a centerline;

fig. 10 illustrates a front partial cross-sectional view of a condensate pump according to the present invention taken along line a-a in fig. 4A, wherein the condensate pump includes a pump cover according to an embodiment of the present invention;

FIG. 11 illustrates a side partial cross-sectional view of the condensate pump of FIG. 10 taken along a centerline;

fig. 12 shows a front partial cross-sectional view of a condensate pump according to the present invention taken along line a-a in fig. 4A, wherein the condensate pump includes a pump cover according to another embodiment of the present invention;

FIG. 13 illustrates a side partial cross-sectional view of the condensate pump of FIG. 12 taken along a centerline.

List of reference numerals

100 pump cover

200 condensation pump

1 concave part

2 first side wall

3 first projection

4 second side wall

5 second projection

6 bottom wall

7 center line

8 first connection position

9 second connection position

10 arc-shaped flow guide block

11 fastener

12 water inlet

13 Pump body

14 first cavity

15 second Chamber

16 third Chamber

17 stator assembly

18 rotor assembly

19 impeller

20 outlet pipe

21 fluid impact point

22 highest point of efficiency

23 leg part

Detailed Description

In order to make the technical solution of the present invention, its purpose, technical solution and advantages become clearer, the drawings of the embodiments of the present invention will be combined hereinafter, and the technical solution of the embodiments of the present invention will be clearly and completely described. Like reference symbols in the various drawings indicate like elements. It should be noted that the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

In the description of the following embodiments, for convenience of description, the positional relationship is defined in the following manner: the "rear" indicates a position where the arc guide block 10 is located in the pump cover 100, the "front" indicates a position opposite to the arc guide block 10 in the pump cover 100, and the "left" and the "right" respectively indicate positions on both sides perpendicular to the front-rear direction. The above position definitions are shown in detail by the arrows in fig. 4A.

A pump cover 100 according to an embodiment of the present invention will be described below with reference to fig. 1 to 4B.

Fig. 1-4B illustrate a perspective view, a front view, a cross-sectional view, a top view, and a bottom view, respectively, of a pump cap 100, the pump cap 100 including a bottom wall 6, a first sidewall 2, and a second sidewall 4, the first sidewall 2 and the second sidewall 4 having a generally circular cross-sectional shape, the second sidewall 4 having a generally rectangular cross-sectional shape, and more specifically, the second sidewall 4 having a combined rectangular and arcuate cross-sectional shape, as shown in fig. 1. The first side wall 2 is connected and formed into a whole, and the joint of the first side wall 2 and the second side wall 4 forms a first connecting position 8 and a second connecting position 9. The bottom wall 6, the first side wall 2, and the second side wall 4 of the pump cover 100 surround to define a space through which fluid is allowed to flow, and for convenience of description, the space surrounded by the first side wall 2 and the bottom wall 6 is defined as a working portion, the space surrounded by the second side wall 4 and the bottom wall 6 is defined as a drain portion, and the working portion and the drain portion are communicated with each other. The bottom wall 6 of the pump cap 100 is provided with a water inlet 12 at the working portion to allow fluid to enter the pump cap 100. As shown in fig. 4A, the pump cap 100 further includes a centerline 7, and the pump cap 100 is symmetrically disposed with respect to the centerline 7.

The arc guide block 10 is provided at the drain portion of the bottom wall 6 of the pump cover 100, that is, the arc guide block 10 is provided in the second side wall 4. The arcuate deflector 10 may be integrally formed with the pump cap 100 or may be a separate component and fixedly attached to the drain portion of the bottom wall 6. Fig. 2A and 2B show side views of the arc guide block 10 (for convenience of description, fig. 2A shows the arc guide block 10 in a perspective manner), and the arc guide block 10 has an arc shape, so that the arc guide block 10 can guide a fluid flowing in a horizontal direction from the water inlet 12 to a vertical direction. The arc-shaped guide block 10 can reduce the impact on the second side wall 4 when the direction of the fluid is switched, reduce noise and improve the utilization efficiency of the flow.

An end of the side wall of the pump cap 100 remote from the bottom wall 6 is provided with at least one protrusion extending therefrom, and the end of the side wall is provided with at least one recess 1 recessed with respect to the protrusion. In order to clearly show the concave portion 1, the first convex portion 3, and the second convex portion 5, fig. 3 shows an expanded view of the sidewall of the pump cap 100 along the center line, and as can be seen from fig. 3, the concave portion 1 is concave with respect to the first convex portion 3 and the second convex portion 5, and the concave portion 1 is staggered with the first convex portion 3 and the second convex portion 5 such that the expanded cross-section of the sidewall has a shape similar to the undulations of the pulse waves.

At least one outwardly extending first protrusion 3 may be provided at an end (i.e., open end) of the first side wall 2 remote from the bottom wall 6. In the present embodiment, as shown in fig. 4A, the number of the first projecting portions 3 is one, is provided on the front side of the first side wall 2, and is symmetrical with respect to the center line 7.

At least one second protrusion 5 extending outwardly may be provided at an end (i.e. open end) of the second side wall 3 remote from the bottom wall 6. In the present embodiment, as shown in fig. 1 and 4A, the number of the second protruding portions 5 is one, is provided on the rear side of the pump cap 100, and is symmetrical with respect to the center line 7. The second protrusion 5 extends continuously from the first connection location 8 to the second connection location 9, i.e. the second protrusion 5 is provided on the entire second side wall 4.

The highest points of the first and second protrusions 3, 5 are on the same horizontal plane, i.e. the heights of the first and second protrusions 3, 5 are the same. The height of the first 3 and second 5 projections is defined as h. Furthermore, the height h of the first 3 and second 5 protrusions is in the range of 0.5-1mm, preferably 0.5mm, 0.8mm or 1 mm. The height h of the first projecting portion 3 and the second projecting portion 5 is set mainly in consideration of the need to simultaneously compromise the increase in the flow rate (increase in height) and the securement of the air permeability of the assembly (decrease in height).

The longitudinal sectional shape of the first projection 3 is one of rectangular, trapezoidal, or arc. In the present embodiment, as shown in fig. 5, the longitudinal sectional shape of the first protrusion 3 is rectangular, and the thickness of the first protrusion 3 is smaller than the thickness of the first sidewall 2, one surface of the first protrusion 3 being in the same plane as the outer surface of the first sidewall to form a stepped section. The longitudinal sectional shape of the second projection 5 is one of rectangular, trapezoidal, or arc. In the present embodiment, the longitudinal sectional shape of the second protrusion 5 is the same as that of the first protrusion 3, both being rectangular, and the thickness of the second protrusion 5 is smaller than that of the second sidewall 4, and one surface of the second protrusion 5 is in the same plane as the outer surface of the second sidewall 4 to form a stepped section.

The present invention is not limited thereto, and the first protrusion 3 may be disposed at other positions of the first sidewall 2, including but not limited to the left and right sides of the first sidewall 2. The longitudinal cross-sectional shape of the first projection 3 may also be other shapes. Other arrangements and sectional shapes of the first projecting portion 3 will be described in detail in the embodiments later. In other embodiments, the pump cap 100 may not be provided with the second projection 5, or the second projection 5 may be provided only on a portion of the second sidewall 4. The longitudinal cross-sectional shape of the first projection 3 may also be other shapes. Other arrangements and sectional shapes of the second projecting portion 5 will be described in detail in the following embodiments.

In the present embodiment, the pump cover 100 further has four fasteners 11, the four fasteners 11 are symmetrically disposed on the outer surface of the first sidewall 2, and a mounting groove is formed on a side of the fastener 11 facing the first sidewall 2 for cooperatively connecting the pump cover 100 with the pump body 13. The utility model discloses it is not limited to this, the quantity of buckle 11 can be arbitrary to a plurality of buckles 11 set up the position and also can make suitable modification and adjustment according to actual conditions. In addition, in other embodiments, the pump cap 100 may not include the clip 11, and the pump cap 100 and the pump body 13 may adopt other fixing and matching manners commonly used in the art.

Fig. 4A illustrates a top view of the pump cap 100, as previously described, with the present invention shown in a front-to-back, left-to-right direction as indicated by the arrows in fig. 4A. Fig. 4A also shows section line a-a, and in the description that follows, fig. 10 and 12 show partial sectional views of two embodiments, respectively, taken along section line a-a.

As shown in fig. 2A, 2B and 4B, the pump cover 100 may further include four legs 23, the legs 23 extending outward from a side of the bottom wall 6 opposite to the cavity portion, and may include a buffer member, such as rubber, plastic, etc., and since the lower end of the pump cover 100 is in contact with the bottom surface of the water tank when the condensate pump operates, the legs 23 are configured to allow a space between the pump cover 100 and the bottom surface of the water tank when the condensate pump 200 operates, thereby preventing the water inlet from being blocked off the pump cover 100. The present invention is not limited thereto, and the pump cover 100 may further include other numbers of leg portions 23.

Fig. 5 shows a partial longitudinal cross-sectional view of the tab of the pump cap 100, the height of which is defined as h in the following description.

A condensate pump 200 according to an embodiment of the present invention will be described below with reference to fig. 6 to 9. The advantages and advantages of the pump cover 100 of the present invention will be apparent from the description of the embodiments of the condensate pump 200.

As shown in fig. 6-8, the condensate pump 200 includes the pump body 13, the stator assembly 17, the rotor assembly 18, the impeller 19, and the pump cover 100 as previously described. The pump cap 100 is cooperatively coupled with the pump body 13 to form a first cavity 14 that allows fluid to pass therethrough. The pump cover 100 and the pump body 13 are engaged with each other by means of a fastening connection, such as, but not limited to, a snap connection, a threaded connection, an adhesive, a screw fastening, etc., which are commonly used in the art. In this embodiment, the pump cover 100 and the pump body 13 are fixedly connected by four fasteners 11 disposed on the pump cover 100.

As shown in fig. 9, the pump body 13 comprises an outlet tube 20, a second cavity 15 and a third cavity 16, the outlet tube 20 being in fluid communication with the first cavity 14 to allow fluid to exit the pump body 13. The outlet pipe 20 is arranged vertically, i.e. the pipe direction of the outlet pipe is perpendicular to the horizontal plane, to allow the fluid to be discharged in a vertical direction. The third cavity 16 is a cylindrical cavity, and the second cavity 15 is located outside the third cavity 16. The stator assembly 7 may include a stator core and coil windings, the stator assembly 7 being disposed within the second cavity 15, and the rotor assembly 4 being rotatably mounted within the third cavity 16 of the pump body 13. The impeller 19 is fixedly connected to the rotor assembly 18 and is rotatably disposed within the first cavity 14.

The operation of the condensate pump 200 according to an embodiment of the present invention will be described in detail with reference to fig. 9.

When the condenser pump 200 works, the water inlet 20 of the pump cover 100 of the condenser pump 200 is inversely immersed in liquid, the stator assembly 15 is powered on, the stator assembly 15 drives the rotor assembly 18 to rotate by using electromagnetic force, the impeller 19 is driven by the rotor assembly 18 to rotate and discharge fluid in the first cavity 14 along the horizontal direction (as shown by an arrow in fig. 9), the fluid collides with the fluid collision point 21 of the arc-shaped flow guide block 10, the flow direction is switched from the horizontal direction to the vertical direction, and the fluid is discharged out of the condenser pump 200 along the water outlet pipe 20.

Fig. 9 shows a cross-sectional view of the condensate pump 200 shown in fig. 6 taken along a centerline, and the positional relationship of the various components of the assembled condensate pump 200 is shown in fig. 9. The impeller 19 is fixedly connected to the rotor assembly 18, and the distance between the assembled impeller 19 and the surface of the bottom wall 6 is defined as H, which is also called impeller play allowance gap, and represents a gap in which the impeller 19 can vertically play without contacting the bottom wall 6 when in operation. Assuming that the first and second protrusions 3 and 5 are not provided, the impeller play allowance gap of the condensate pump 200 is H₀Then the following relationship is satisfied: h ═ H₀+ h, where h is the height of the first and second projections 3, 5. FromAbove relational expression can see that, because the setting of the first protruding part 3 and the second protruding part 5 of pump cover 100, impeller drunkenness reserve clearance H increases, can improve condensate pump 200's operation degree of safety, and this is the adoption the utility model discloses an one of the advantage of the pump cover 100 of an embodiment.

In addition, ideally, the highest efficiency point 22 of fluid impact is located at the highest point of the arc-shaped diversion block 10, but due to the limitation of the actual installation size, the highest efficiency point 22 cannot be reached in the actual operation. Therefore, the closer to this highest point of efficiency 22, the less flow consumption (i.e., splashing from the drainage) the fluid impacts with arcuate deflector 10. Because impeller float reserve clearance H increases, impeller 19 also increases apart from diapire 6's height at the during actual operation for impeller 19 exhaust fluid and arc water conservancy diversion piece 10's the corresponding shift up of fluid striking point 21, splash that the drainage produced reduces, and flow loss also correspondingly reduces, has improved drainage efficiency, and this is the adoption the utility model discloses a two advantages of pump cover 100 of an embodiment.

Moreover, because the setting of the first protruding part 3 and the second protruding part 5 of the pump cover 100, the volume of the first cavity 14 is also correspondingly increased, thereby improving the flow rate of the whole machine, which is adopted the utility model discloses a three of the advantages of the pump cover 100 of an embodiment. In addition, the clearance of inside and outside intercommunication has been formed to the concave part 1, and first cavity 14 has reduced the interior outer pressure differential of condensate pump 200 through this clearance and outside intercommunication, has improved drainage efficiency, and this is the adoption the utility model discloses a pump cover 100's of an embodiment the advantage is four.

Other embodiments of the pump cover 100 and the condensate pump 200 of the present invention will be described below with reference to fig. 10 to 13. Other arrangements of the following embodiments are the same as the foregoing embodiments, and only the differences will be described here.

Fig. 10 and 11 illustrate another embodiment of a pump cover 100 of the present invention and illustrate a partial cross-sectional view of a condensate pump 200 that employs the pump cover 100. Fig. 10 is a front partial sectional view of the condensate pump 200 taken along line a-a in fig. 4A, and fig. 11 is a side partial sectional view of the condensate pump 200 taken along the centerline 7. In the present embodiment, the pump cover 100 includes two first protrusions 3 provided on the left and right sides of the first sidewall 2, respectively. The pump cap 100 does not have the second projection 5. The longitudinal cross-sectional shape of the two first projections 3 is arc-shaped.

Fig. 12 and 13 illustrate yet another embodiment of a pump cap 100 of the present invention and illustrate a partial cross-sectional view of a condensate pump 200 that employs the pump cap 100. Fig. 12 is a front partial sectional view of the condensate pump 200 taken along line a-a in fig. 4A, and fig. 13 is a side partial sectional view of the condensate pump 200 taken along the centerline 7. In the present embodiment, the pump cover 100 includes one first projection 3 and one second projection 5, the first projection 3 being disposed on the front side of the first sidewall 2, and the second projection 5 being disposed on the rear side of the second sidewall 4. The first projection 3 and the second projection 5 have a trapezoidal longitudinal sectional shape.

The exemplary embodiments of the pump cover and the condensate pump proposed by the present invention have been described in detail above with reference to the preferred embodiments, however, it will be understood by those skilled in the art that many variations and modifications can be made to the above-described embodiments without departing from the concept of the present invention, and various combinations of the various technical features and structures proposed by the present invention can be made without departing from the scope of the present invention, which is defined by the appended claims.

Claims (18)

1. A pump cover comprising a bottom wall and a side wall for defining a first cavity to house an impeller, characterized in that: the end of the side wall remote from the bottom wall is provided with at least one protruding part extending from the end, the end of the side wall is provided with at least one concave part concave relative to the protruding part, and the at least one protruding part and the at least one concave part are arranged in a staggered mode.

2. A pump cap according to claim 1, further comprising: a centerline, the protrusions being symmetrically disposed with respect to the centerline.

3. A pump cap according to claim 1, wherein the peaks of the projections are on the same horizontal plane.

4. A pump cap according to claim 1, characterized in that the projections have a height in the range of 0.5-1 mm.

5. A pump cap according to claim 1, wherein the longitudinal cross-sectional shape of the tab is one of rectangular, trapezoidal, or arcuate.

6. A pump cap according to claim 5, characterized in that the longitudinal cross-sectional shape of the protrusion is rectangular, the thickness of the protrusion is less than the thickness of the sidewall, and the outer surface of the protrusion is in the same plane as the outer surface of the sidewall to form a stepped cross-section.

7. A pump cap according to claim 1, further comprising: the plurality of buckles are arranged on the outer surface of the side wall and are configured to connect the pump cover and the pump body in a matched mode.

8. A pump cap according to claim 1, further comprising: a water inlet disposed in the bottom wall to allow fluid to enter the pump cover.

9. A pump cap according to claim 1, further comprising: an arcuate deflector block disposed within the sidewall configured to divert a fluid direction from 80 ° to 100 ° from a horizontal direction.

10. A pump cap according to claim 1, wherein the side walls include a first side wall that is generally circular in cross-section and a second side wall that is generally rectangular in cross-section.

11. A pump cap according to claim 10, wherein the tabs include a first tab disposed on the first sidewall and a second tab disposed on the second sidewall.

12. A pump cap according to claim 11, wherein the second tab is disposed on the entire second sidewall.

13. A pump cap according to claim 1, further comprising a plurality of legs extending outwardly from a side of the bottom wall opposite the first cavity.

14. A condensate pump comprising a pump body and a pump cap according to any one of claims 1-13, the pump cap cooperatively connecting with the pump body to form a first cavity allowing fluid to pass therethrough.

15. A condensate pump as claimed in claim 14, wherein the first chamber is open to the ambient atmosphere.

16. A condensate pump as claimed in claim 15, wherein the pump body comprises a second cavity and a third cavity, the third cavity being located inside the second cavity.

17. A condensate pump as claimed in claim 16, further comprising:

a stator assembly disposed within the second cavity;

a rotor assembly rotatably disposed within the third cavity; and

an impeller fixedly connected with the rotor assembly and rotatably disposed within the first cavity.

18. A condensate pump as claimed in claim 17, wherein the pump body further comprises an outlet tube in fluid communication with the first cavity to allow fluid to exit the pump body.

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