CN112244728A - Heat collection pump and washing electric appliance with same - Google Patents

Abstract

The invention discloses a heat collecting pump and a washing appliance with the same, wherein the heat collecting pump comprises: the heating device comprises a shell, a heating device and an elastic sealing piece, wherein the shell defines an accommodating cavity and an assembling channel communicated with the accommodating cavity, and a mounting opening communicated with the assembling channel is formed in the shell; the heating device is arranged in the shell and provided with a wiring terminal, and at least part of the wiring terminal extends out of the mounting hole; one part of the elastic sealing piece is arranged in the assembling channel, the other part of the elastic sealing piece is arranged in the containing cavity, the elastic sealing piece has a natural state and a pressed state, the elastic sealing piece can move in the assembling channel along with the heating device in the natural state, and the elastic sealing piece deforms in the pressed state to seal the assembling channel and limit the movement of the heating device. According to the heat collection pump disclosed by the invention, radial sealing and end face sealing can be realized on the assembly channel, the risks of water leakage and safety accidents of the heat collection pump are reduced, and the stability of the heating device after assembly can be improved.

Description

Heat collection pump and washing electric appliance with same

Technical Field

The invention relates to the technical field of household appliances, in particular to a heat collecting pump and a washing appliance with the same.

Background

In the related art, the heat collecting pump usually has a heating pipe disposed in the pump casing, and the heating pipe is used to heat water in the pump casing, but the arrangement of the heating pipe affects the sealing performance of the heat collecting pump, and the risk of water leakage is high.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. To this end, the invention proposes a heat collection pump that can improve the sealing and safety.

The invention also provides a washing electric appliance with the heat collecting pump.

A heat collecting pump according to a first aspect of the present invention comprises: the water inlet and outlet holes are communicated with the accommodating cavity, and the mounting opening is communicated with the assembling channel; the heating device is arranged in the shell and provided with a wiring terminal, and at least part of the wiring terminal is matched in the assembling channel and extends out of the mounting opening; the elastic sealing piece is provided with a natural state and a pressed state, the elastic sealing piece can move in the assembly channel along with the heating device in the natural state, and the elastic sealing piece deforms in the pressed state so as to seal the joint of the accommodating cavity and the assembly channel and limit the movement of the heating device.

According to the heat collecting pump disclosed by the invention, the elastic sealing element is arranged, so that the radial sealing and the end face sealing can be realized for the assembling channel, the enough sealing property is provided for the installation of the heating device in the assembling channel, the risks of water leakage and safety accidents of the heat collecting pump are reduced, the assembling stability of the heating device can be improved, and the structure of the elastic sealing element can be convenient for the installation and adjustment of the heating device.

According to some embodiments of the invention, the receiving chamber has an escape space, and at least a part of the further portion of the resilient sealing member fills the escape space in the compressed state of the resilient sealing member.

According to some embodiments of the invention, the receiving cavity has a limiting surface at a junction of the receiving cavity and the assembly channel.

Further, the limiting surface is perpendicular to the extending direction of the assembling channel.

According to some embodiments of the invention, the resilient sealing member is provided with a deformation protrusion located within the receiving cavity, the deformation protrusion being press-fitted with the heating device in the compressed state of the resilient sealing member.

According to some embodiments of the invention, the heating device is provided with a connection protrusion, and the elastic sealing member is adapted to be in contact fit with a side surface of the connection protrusion facing the sealing member.

According to some embodiments of the present invention, the elastic seal member is formed with a through hole penetrating in a thickness direction, and the terminal passes through the through hole to protrude from the mounting opening.

According to some embodiments of the invention, said heat collecting pump further comprises a fixation assembly comprising: the end cover is covered at the outer end of the mounting opening and is fixedly connected with the shell, and the wiring terminal extends out of the end cover; the positioning sleeve is arranged in the assembly channel and positioned between the end cover and the elastic sealing element so as to compress the elastic sealing element.

Further, heating device is equipped with screw thread fastening portion, the end cover is formed with first via hole, screw thread fastening portion is suitable for follow first via hole stretches out and is connected with the nut cooperation.

In some embodiments, a side surface of the end cap facing the elastic sealing member has a first positioning slope, the positioning sleeve has a second positioning slope cooperating with the first positioning slope, and the second positioning slope extends from an end of the positioning sleeve close to the end cap to an end far from the end cap in a direction away from the heating device.

According to some embodiments of the invention, the heat collection pump further comprises: the driving device is connected with the shell and is spaced apart from the heating device in the accommodating cavity, and the driving device is used for driving water flow to flow from the water inlet hole to the water outlet hole.

Further, the heat collecting pump further comprises: the water conservancy diversion piece, the water conservancy diversion piece is located hold the intracavity, inlet channel is injectd to the inner wall of water conservancy diversion piece, inlet channel with the inlet opening intercommunication, the outer wall of water conservancy diversion piece with inject the flowing back passageway between the inner wall that holds the chamber, the flowing back passageway respectively with inlet channel with the apopore intercommunication, the water conservancy diversion piece be used for with liquid in the flowing back passageway to the apopore is led.

The washing appliance according to the second aspect of the present invention comprises the heat collecting pump according to the first aspect of the present invention.

According to the washing appliance, safety and use experience can be improved by arranging the heat collecting pump of the first aspect.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

FIG. 1 is a schematic view of a heat collection pump according to an embodiment of the present invention;

FIG. 2 is a partial cross-sectional view of the heat collection pump shown in FIG. 1;

FIG. 3 is an enlarged view of the cross-sectional portion shown in FIG. 2;

FIG. 4 is an exploded view of the heat collection pump shown in FIG. 1;

fig. 5 is a schematic view of another angle of the housing of the heat collecting pump shown in fig. 4.

Reference numerals:

the heat collection pump 100:

a shell 1, an accommodating cavity 11, a water inlet 12, a water outlet 13, an assembly channel 14, a mounting opening 15, a limiting surface 16 and an avoiding space 17,

a heating device 2, a connecting convex part 21, a heating pipe 22, a connecting terminal 23, a screw fastening part 24,

the elastic seal 3, the deformation protrusion 31, the driving device 4,

the fixing component 5, an end cover 51, a first positioning inclined surface 52, a positioning sleeve 53, a second positioning inclined surface 54 and a nut 55.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

A heat collecting pump 100 according to an embodiment of the first aspect of the present invention is described below with reference to fig. 1 to 5.

The heat collecting pump 100 according to the embodiment of the first aspect of the present invention includes: a housing 1, a heating device 2 and an elastic seal 3.

Specifically, referring to fig. 1 and 5, the housing 1 defines a receiving cavity 11 and a mounting channel 14, the housing 1 is formed substantially in a cylindrical shape with one end open, the mounting channel 14 is communicated with the receiving cavity 11, the housing 1 is further formed with a water inlet hole 12, a water outlet hole 13 and a mounting port 15, wherein the water inlet hole 12 and the water outlet hole 13 are both communicated with the receiving cavity 11, the water inlet hole 12 may be located at the top of the housing 1, the water outlet hole 13 may be located at the peripheral wall of the housing 1 and disposed adjacent to the top of the housing 1, the mounting port 15 is communicated with the mounting channel 14 and located at the outer end of the mounting channel 14, and the mounting port 15 may be located at the peripheral wall of the housing 1 and spaced apart from the water outlet hole 13.

The heating device 2 is arranged in the shell 1, the heating device 2 is provided with a connecting terminal 23, at least part of the connecting terminal 23 is matched in the assembly channel 14, part of the connecting terminal 23 can extend out of the mounting opening 15 so as to be connected with an external power supply, for example, as shown in fig. 2, the heating device 2 may be disposed in the mounting channel 14, with the terminals 23 of the heating device 2 protruding from the mounting opening 15, since the heating means 2 itself has a certain length, the mounting opening 15 is provided in the circumferential wall of the housing 1, so that the heating means 2 can be placed in the radial direction of the housing 1 in the accommodation chamber 11, compared with the case where the mounting port 15 is located at the top of the case 1 so that the heating means 2 is disposed in the accommodating chamber 11 in the axial direction of the case 1, it is possible to shorten the size of the heat collecting pump 100 in the axial direction, to sufficiently utilize the inner space of the housing 1, to improve the inner layout, and to further improve the pumping efficiency to a certain extent.

One part of the elastic sealing member 3 is arranged in the assembling channel 14, the other part of the elastic sealing member 3 is arranged in the accommodating cavity 11, for example, the elastic sealing member 3 can be configured to have a length larger than that of the assembling channel 14, the elastic sealing member 3 is in contact fit with the heating device 2, the elastic sealing member 3 has a natural state and a pressed state, the elastic sealing member 3 can move along with the heating device 2 in the assembling channel 14 in the natural state, for example, the elastic sealing member 3 can be configured to have an outer diameter smaller than the inner diameter of the assembling channel 14, so that when the positions of the elastic sealing member 3 and the heating device 2 in the assembling channel 14 are adjusted, the elastic sealing member 3 deforms in the pressed state to seal the joint of the accommodating cavity 11 and the assembling channel 14 and limit the movement of the heating device 2, namely, the part of the elastic sealing member 3 in the pressed state can expand along the radial direction, so as to seal the assembly channel 14 in the radial direction, while the portion in the accommodating cavity 11 can expand in the radial direction to seal the end face of the assembly channel 14 at one end of the accommodating cavity 11, thereby the elastic sealing member 3 can simultaneously realize the radial sealing and the end face sealing to the assembly channel 14, and at the same time, because the elastic sealing member 3 can tightly fill the gap in the assembly channel 14 in the compressed state, the heating device 2 in the assembly channel 14 can not generate the movement in the axial direction or the radial direction or the axial direction, so that the heating device 2 has better stability.

According to the heat collecting pump 100 of the present invention, by providing the elastic sealing member 3, radial sealing and end face sealing can be achieved for the assembling passage 14, thereby providing sufficient sealing performance for the installation of the heating device 2 in the assembling passage 14, reducing the risk of water leakage and safety accident of the heat collecting pump 100, and also improving the assembling stability of the heating device 2, and at the same time, the configuration of the elastic sealing member 3 can facilitate the installation and adjustment of the heating device 2.

According to some embodiments of the present invention, for example, as shown in fig. 2, the accommodating cavity 11 has an avoiding space 17, and at least a part of the elastic sealing member 3 located in the accommodating cavity 11 is filled in the avoiding space 17 when the elastic sealing member 3 is in a compressed state, so that the end face sealing of the assembling channel 14 can be realized to improve the overall sealing performance of the assembling channel 14.

According to some embodiments of the present invention, as shown in fig. 2, the accommodating cavity 11 has a limiting surface 16, the limiting surface 16 is located at a connection position of the accommodating cavity 11 and the assembling channel 14, that is, the limiting surface 16 is a plane where an end surface of the assembling channel 14 located at one end of the accommodating cavity 11 is located, and a deformed portion of the elastic sealing member 3 in a compressed state is tightly attached to the limiting surface 16, so as to achieve sealing of a cross section of the assembling channel 14.

Further, the limiting surface 16 may be perpendicular to the extending direction of the assembling channel 14, so as to ensure that the deformation generated by the elastic sealing element 3 can be fully attached to the limiting surface 16, thereby improving the sealing performance.

According to some embodiments of the present invention, the elastic sealing member 3 is provided with a deformation protrusion 31, the deformation protrusion 31 is located in the accommodating cavity 11, and the deformation protrusion 31 is press-fitted with the heating device 2 when the elastic sealing member 3 is in a compressed state, for example, as shown in fig. 2 and 3, the deformation protrusion 31 is formed at an inner end (an end located in the accommodating cavity 11) of the elastic sealing member 3, and the deformation protrusion 31 is formed by an inward protrusion of an end surface of the inner end of the elastic sealing member 3 and is adjacent to an outer edge of the inner end surface in a radial direction, so that the deformation protrusion 31 expands to the periphery after being compressed to realize end surface sealing of the assembly channel 14.

According to some embodiments of the present invention, referring to fig. 2 to 4, the heating device 2 is provided with a connecting protrusion 21, and the elastic sealing member 3 is adapted to be in contact fit with a side surface of the connecting protrusion 21 facing the sealing member, for example, as shown in fig. 3, the heating device 2 includes a plurality of heating pipes 22 and a connecting flange for fixing the plurality of heating pipes 22 together, the connecting protrusion 21 is formed on the connecting flange, the connecting protrusion 21 extends in a direction perpendicular to an axial direction of the heating pipes 22, and when the heating device 2 is mounted to the mounting passage 14, a side surface of the connecting protrusion 21 facing the elastic sealing member 3 is press-fitted with the elastic sealing member 3, so that the elastic sealing member 3 is deformed to achieve sealing.

According to some embodiments of the present invention, the elastic sealing member 3 is formed with a through hole penetrating in the thickness direction, and the connection terminal 23 passes through the through hole to protrude from the mounting opening 15, in other words, the elastic sealing member 3 is configured to be able to be fitted over the heating device 2 while the elastic sealing member 3 fills the gap between the heating device 2 and the fitting passage 14, thereby facilitating both the mounting of the heating device 2 and the sealing of the fitting passage 14.

According to some embodiments of the present invention, in conjunction with fig. 2, the heat collecting pump 100 may further comprise a fixing assembly 5, and the fixing assembly 5 may comprise: end cap 51 and locating sleeve 53. Specifically, the end cover 51 covers the outer end of the mounting opening 15, the end cover 51 is fixedly connected with the housing 1, a through hole for the wiring terminal 23 to pass through is formed in the end cover 51, and the wiring terminal 23 extends out of the through hole in the end cover 51; the positioning sleeve 53 is disposed in the assembling passage 14, the positioning sleeve 53 is located between the end cap 51 and the elastic sealing member 3, and in a state where the heat collecting pump 100 is assembled in place, an outer side of the positioning sleeve 53 abuts against the end cap 51, and an inner side of the positioning sleeve 53 abuts against the elastic sealing member 3, so that the positioning sleeve 53 and the coupling protrusion 21 of the heating device 2 can be engaged with each other to press the elastic sealing member 3 from both ends of the elastic sealing member 3 in the inner and outer directions, respectively.

Further, referring to fig. 2 to 4, the heating apparatus 2 is provided with a screw fastening portion 24, the screw fastening portion 24 may be formed on a connecting flange of the heating apparatus 2, the end cap 51 is formed with a first through hole, and the screw fastening portion 24 is adapted to protrude from the first through hole and be in fit connection with a nut 55, thereby achieving both connection of the fixing assembly, the heating apparatus 2 and the housing 1 and compression of the elastic sealing member 3.

In some embodiments, for example, as shown in fig. 2 and 3, a side surface of the end cover 51 facing the elastic sealing member 3 (for example, an inner side surface of the end cover 51 shown in fig. 2) has a first positioning inclined surface 52, the positioning sleeve 53 has a second positioning inclined surface 54, the second positioning inclined surface 54 cooperates with the first positioning inclined surface 52, and the second positioning inclined surface 54 extends from an end of the positioning sleeve 53 close to the end cover 51 to an end far from the end cover 51 in a direction away from the heating device 2, for example, as shown in fig. 2, in other words, the second positioning inclined surface 54 extends radially outward of the positioning sleeve 53 while extending from an outer end surface of the positioning sleeve 53 into the accommodating chamber 11, so that when the end cover 51 and the heating device 2 are fixed by the nut 55, the end cover 51 can simultaneously apply an axial force and a radial force to the positioning sleeve 53, which facilitates the compression of.

According to some embodiments of the present invention, referring to fig. 1 to 5, the heat collecting pump 100 may further include: a drive means 4. In particular, a drive device 4 is associated with the open end of the housing 1, the drive device 4 being spaced apart from the heating device 2 in the receiving chamber 11, the drive device 4 being adapted to drive a flow of water from the inlet opening 12 to the outlet opening 13.

Further, the heat collecting pump 100 may further include: a flow guide (not shown). Specifically, the water conservancy diversion spare is located and is held in chamber 11, liquid inlet channel is injectd to the inner wall of water conservancy diversion spare, liquid inlet channel and inlet opening 12 intercommunication, inject the flowing back passageway between the outer wall of water conservancy diversion spare and the inner wall that holds chamber 11, the flowing back passageway communicates with liquid inlet channel and apopore 13 respectively, the water conservancy diversion spare is used for the liquid in the flowing back passageway to apopore 13 water conservancy diversion, therefore, can be according to apopore 13 the mode of setting up with the rivers direction apopore 13 in the flowing back passageway, promote pump water efficiency.

Other constructions and operations of the heat collecting pump 100 according to the embodiment of the present invention are known to those skilled in the art and will not be described in detail herein.

The washing appliance according to the second aspect of the invention is described below.

The washing appliance according to the second aspect of the present invention comprises a heat collecting pump 100 according to the first aspect of the present invention.

According to the washing appliance of the present invention, by providing the heat collecting pump 100 of the above first aspect, safety and use experience can be improved.

Further, the washing appliance may be a dishwasher, a washing machine, or the like.

A heat collecting pump 100 according to an embodiment of the present invention will be described with reference to fig. 1 to 5.

In the first embodiment, the first step is,

referring to fig. 1, a heat collecting pump 100 according to the present invention includes: the device comprises a shell 1, a heating device 2, an elastic sealing element 3, a fixing component 5, a driving device 4 and a flow guide element.

The housing 1 is formed into a cylinder shape with an open end at one end, the housing 1 defines a containing cavity 11 and an assembling channel 14, the assembling channel 14 is communicated with the containing cavity 11, the housing 1 is further formed with a water inlet 12, a water outlet 13 and a mounting port 15, the water inlet 12 and the water outlet 13 are both communicated with the containing cavity 11, the water inlet 12 can be located at the top of the housing 1, the water outlet 13 can be located at the peripheral wall of the housing 1 and is arranged adjacent to the top of the housing 1, the mounting port 15 is communicated with the assembling channel 14 and is located at the outer end of the assembling channel 14, and the mounting port 15 can be located at the peripheral wall of the housing 1 and is spaced apart from the water outlet 13 in.

The heating device 2 is arranged in the assembly passage 14, and the heating device 2 comprises: the heating pipe comprises a connecting terminal 23, heating pipes 22 and a connecting flange, wherein the outer end of the connecting terminal 23 extends out of the mounting opening 15 so as to be connected with an external power supply, the connecting flange fixes a plurality of heating pipes 22 together, and the inner end of the connecting terminal 23 is connected with the heating pipes 22.

The part of the elastic sealing piece 3 along the length direction is positioned in the assembly channel 14, the rest part is positioned in the containing cavity 11, the end face of the inner end of the elastic sealing piece 3 is provided with a deformation convex part 31, the deformation convex part 31 is in press fit with one side surface of the connecting flange of the heating device 2 facing the elastic sealing piece 3, the outer peripheral wall of the elastic sealing piece 3 is in clearance fit with the inner peripheral wall of the assembly channel 14, the elastic sealing piece 3 has a natural state and a pressed state, the elastic sealing piece 3 can move in the assembly channel 14 along with the heating device 2 in the natural state, the elastic sealing piece 3 is in the pressed state, the portion located within the assembly channel 14 may expand radially, to seal the assembly channel 14 radially, while the portion located in the receiving chamber 11 can be radially expanded to seal the end face of the fitting passage 14 at the end of the receiving chamber 11, to simultaneously achieve a radial seal and an end face seal of the fitting passage 14. The elastic sealing member 3 is formed with a through hole penetrating in a thickness direction, and the elastic sealing member 3 is configured to be fitted over the heating device 2 while the elastic sealing member 3 fills a gap between the heating device 2 and the fitting passage 14.

The fixing assembly 5 may include: end cap 51 and locating sleeve 53. The end cover 51 covers the outer end of the mounting opening 15, a through hole for the wiring terminal 23 to pass through is formed in the end cover 51, and the wiring terminal 23 extends out of the through hole in the end cover 51; the positioning sleeve 53 is disposed in the assembling passage 14, the positioning sleeve 53 is disposed between the end cap 51 and the elastic sealing member 3, in a state that the heat collecting pump 100 is assembled in place, an outer side of the positioning sleeve 53 abuts against the end cap 51, an inner side of the positioning sleeve 53 abuts against the elastic sealing member 3, and the positioning sleeve 53 and the connecting protrusion 21 of the heating device 2 may cooperate with each other to press the elastic sealing member 3 from both ends of the elastic sealing member 3 in the inner and outer directions, respectively. The connecting flange of the heating device 2 is provided with a screw fastening portion 24, the end cover 51 is formed with a first through hole, and the screw fastening portion 24 is adapted to extend out of the first through hole and is connected with a nut 55 in a matching manner.

A drive means 4 is connected to the open end of the housing 1, the drive means 4 being spaced from the heating means 2 in the receiving chamber 11, the drive means 4 being adapted to drive a flow of water from the inlet opening 12 to the outlet opening 13. The water conservancy diversion piece is located and is held in chamber 11, inlet channel is injectd to the inner wall of water conservancy diversion piece, inlet channel and inlet opening 12 intercommunication, inject the flowing back passageway between the outer wall of water conservancy diversion piece and the inner wall that holds chamber 11, the flowing back passageway communicates with inlet channel and apopore 13 respectively, the water conservancy diversion piece is used for leading the liquid in the flowing back passageway to apopore 13 water conservancy diversion, therefore, can be according to apopore 13 the mode of setting up with the rivers direction apopore 13 in the flowing back passageway, promote pumping efficiency.

The concrete assembling manner of the heating device 2 of the heat collecting pump 100 in the above embodiment is described below.

It should be noted that, in order to increase the heat exchange efficiency of the heat collecting pump 100, it is necessary to increase the heat exchange area of the heat exchange pipe in the accommodating chamber 11 as much as possible, and the length of the heat exchange pipe in the axial direction may be increased generally, and in the embodiment of the present invention, the length of the heating device 2 is greater than the diameter of the housing 1, so that, when the heat collecting pump 100 is assembled, the heating device 2 may be obliquely (forming a certain angle with the axial direction of the heat collecting pump 100) extended into the accommodating chamber 11 from the open end of the heat collecting pump 100, and then the connection terminal 23 is extended out of the assembling passage 14. The heating device 2 is assembled in the following way:

in the first embodiment, a heating pipe 22 with a connecting flange is obliquely extended from the open end of the housing 1 into the receiving chamber 11 and into the assembly passage 14, a terminal 23 of the heating device 2 and a screw fastening portion 24 at the middle of the connecting flange are extended from the mounting opening 15, and then the elastic sealing member 3, the positioning sleeve 53, the end cap 51 and the nut 55 are sequentially sleeved thereon.

In the second embodiment, the elastic sealing member 3 is firstly sleeved on the connection terminal 23 of the heating device 2 and the screw fastening portion 24 at the middle of the connection flange, and then obliquely extends into the accommodating cavity 11 from the open end of the housing 1 and is installed into the assembly channel 14, and then the connection terminal 23 of the heating device 2 and the screw fastening portion 24 at the middle of the connection flange extend out from the installation opening 15, and then the positioning sleeve 53 and the end cover 51 are sequentially sleeved thereon, and the nut 55 is screwed.

In the third embodiment, the elastic sealing member 3 and the positioning sleeve 53 are sleeved on the connection terminal 23 of the heating device 2 and the screw fastening portion 24 at the middle portion of the connection flange, the whole body is obliquely extended into the accommodating cavity 11 from the open end of the housing 1 and is loaded into the assembly passage 14, the end cover 51 is covered on the whole body, and then the connection terminal 23 of the heating device 2 and the screw fastening portion 24 at the middle portion of the connection flange are extended from the mounting opening 15 and the nut 55 is screwed.

After the heating device 2 and the housing 1 are installed, the flow guiding element and the driving device 4 are installed to complete the assembly of the entire heat collecting pump 100.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (13)

1. A heat collection pump, comprising:

the water inlet and outlet holes are communicated with the accommodating cavity, and the mounting opening is communicated with the assembling channel;

the heating device is arranged in the shell and provided with a wiring terminal, and at least part of the wiring terminal is matched in the assembling channel and extends out of the mounting opening;

the elastic sealing piece is provided with a natural state and a pressed state, the elastic sealing piece can move in the assembly channel along with the heating device in the natural state, and the elastic sealing piece deforms in the pressed state so as to seal the joint of the accommodating cavity and the assembly channel and limit the movement of the heating device.

2. Heat collecting pump according to claim 1, characterised in that said housing chamber has an evacuation space, said elastic sealing member, in a stressed condition, filling said evacuation space with at least a portion of said other portion of said elastic sealing member.

3. Heat collecting pump according to claim 1, characterised in that said housing cavity has a limiting surface located at the junction of said housing cavity and said fitting channel.

4. -heat collecting pump according to claim 3, characterised in that said limit surfaces are perpendicular to the extension direction of said fitting channel.

5. Heat collecting pump according to claim 1, characterised in that said elastic sealing member is provided with a deformation projection located inside said housing cavity, said projection being in press-fit engagement with said heating means in said stressed condition of said elastic sealing member.

6. Heat collecting pump according to claim 1, characterised in that said heating means are provided with a coupling protrusion, said elastic sealing element being adapted to be in contact engagement with a surface of a side of said coupling protrusion facing said sealing element.

7. A heat collecting pump as claimed in claim 1, wherein said elastic sealing member is formed with a through hole penetrating in a thickness direction, and said terminal is passed through said through hole to protrude from said mounting opening.

8. Heat collection pump, according to claim 1, characterized in that it further comprises a fixing assembly, said fixing assembly comprising:

the end cover is covered at the outer end of the mounting opening and is fixedly connected with the shell, and the wiring terminal extends out of the end cover;

the positioning sleeve is arranged in the assembly channel and positioned between the end cover and the elastic sealing element so as to compress the elastic sealing element.

9. Heat collecting pump according to claim 8, characterised in that said heating means are provided with a threaded fastening portion, said end cover being formed with a first through hole, said threaded fastening portion being adapted to protrude from said first through hole and to be coupled with a nut.

10. The heat collecting pump as claimed in claim 8, wherein a side surface of said end cap facing said elastic sealing member has a first positioning slope, said positioning sleeve has a second positioning slope cooperating with said first positioning slope, and said second positioning slope extends from an end of said positioning sleeve close to said end cap to an end far from said end cap in a direction away from said heating device.

11. A heat collection pump as claimed in claim 1, further comprising:

the driving device is connected with the shell and is spaced apart from the heating device in the accommodating cavity, and the driving device is used for driving water flow to flow from the water inlet hole to the water outlet hole.

12. A heat collection pump as claimed in claim 11, further comprising: the water conservancy diversion piece, the water conservancy diversion piece is located hold the intracavity, inlet channel is injectd to the inner wall of water conservancy diversion piece, inlet channel with the inlet opening intercommunication, the outer wall of water conservancy diversion piece with inject the flowing back passageway between the inner wall that holds the chamber, the flowing back passageway respectively with inlet channel with the apopore intercommunication, the water conservancy diversion piece be used for with liquid in the flowing back passageway to the apopore is led.

13. Washing appliance, characterized in that it comprises a heat collection pump according to any of claims 1 to 12.

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