Stator coil assembly for pump and condensate pump

Abstract

A stator coil assembly for a pump and a condensing pump, comprising a skeleton, an enameled wire winding, a thermal protector and a plug-in, wherein the plug-in comprises a first plug-in and a second plug-in, the first plug-in comprises a first plug-in body, a first connecting portion and a first folding portion, the second plug-in comprises a second plug-in body, a second connecting portion and a second folding portion, one pin of the thermal protector extends into a space enclosed by the first connecting portion and the first folding portion and is electrically connected to the two, and the other pin of the thermal protector extends into a space enclosed by the second connecting portion and the second folding portion and is electrically connected to the two. In the stator coil assembly for a pump of the utility model, the openings of the first plug-in and the second plug-in for electrical connection to the thermal protector are arranged relative to each other, which is conducive to the blanking and patterning of the first plug-in and the second plug-in, reducing waste, and the pins of the thermal protector are placed in the space enclosed by the openings of the above-mentioned two plug-ins and can be connected by butt welding or crimping, saving materials while taking into account production efficiency.

Description

Technical Field

[0001] The utility model relates to a stator coil component and a condensation pump, belonging to the technical field of condensation pumps. Background Art

[0002] The existing condensing pump includes a pump body, a pump cover, a rotor assembly contained in a first cavity of the pump body, and a stator coil assembly contained in a second cavity of the pump body. The stator coil assembly includes an enameled wire winding wound on a cylindrical frame, a thermal protector, and an insert, etc. The insert is provided with a through hole, and the pin of the thermal protector needs to be manually passed through the through hole of the insert and then soldered to the insert with an electric soldering iron and tin wire, resulting in low production efficiency. Therefore, there is a need for improvement. Utility Model Content

[0003] In order to solve the above problems, the utility model provides the following technical solutions:

[0004] A stator coil assembly for a pump, comprising a cylindrical frame, an enameled wire winding wound on the frame, a thermal protector abutting the outer periphery of the enameled wire winding, and a plug fixed on the frame for electrically connecting the enameled wire winding to the outside, characterized in that the plug comprises a first plug and a second plug, the first plug comprising a plate-shaped first plug body extending radially along the columnar shape of the frame, a first connecting portion bent from the middle of the first plug body and extending axially along the columnar shape of the frame, and a first folding portion folded from the left side of the first connecting portion, the second plug comprising a plate-shaped second plug body extending radially along the columnar shape of the frame, a second connecting portion bent from the second plug body along one radial side of the columnar shape of the frame to extend axially along the columnar shape of the frame, and a second folding portion folded from the right side of the second connecting portion, one pin of the thermal protector extends into a space enclosed by the first connecting portion and the first folding portion and is electrically connected to the two, and the other pin thereof extends into a space enclosed by the second connecting portion and the second folding portion and is electrically connected to the two.

[0005] In the stator coil assembly for a pump of the utility model, the first plug-in sheet and the second plug-in sheet are arranged opposite to each other before the openings for electrical connection of the thermal protector are arranged, which is beneficial to the blanking and patterning of the first plug-in sheet and the second plug-in sheet, and reduces waste materials; and the pins of the thermal protector are placed in the space surrounded by the openings of the two plug-ins and can be connected by butt welding or crimping, which saves materials and takes into account production efficiency at the same time.

[0006] Furthermore, the second plug-in piece also includes a second hook formed by bending from the right side of the second plug-in piece body.

[0007] Furthermore, the insert sheet also includes a third insert sheet, and the third insert sheet includes a plate-shaped third insert sheet body extending along the radial direction of the skeleton column and a third hook formed by folding from the middle part of the third insert sheet body.

[0008] Furthermore, silicone glue is provided between the thermal protector and the enameled wire winding.

[0009] A condensing pump comprises a pump body, a rotor assembly, an iron core, a pump cover arranged on the pump body and any of the above-mentioned pump stator coil assemblies, the pump body is provided with a first cavity and a second cavity separated from each other, the rotor assembly is rotatably installed in the first cavity, and the iron core and the pump stator coil assembly are fixedly arranged in the second cavity. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a three-dimensional structural schematic diagram of the stator coil assembly for a pump of the utility model;

[0011] Figure 2 yes Figure 1 A is a schematic diagram of the partially enlarged structure of the middle part;

[0012] Figure 3 It is a three-dimensional structural schematic diagram of the first insert of the utility model;

[0013] Figure 4 It is a three-dimensional structural schematic diagram of the second insert of the utility model;

[0014] Figure 5 It is a three-dimensional structural schematic diagram of the third insert of the utility model;

[0015] Figure 6 It is a three-dimensional structural schematic diagram of the condensate pump of the utility model;

[0016] Figure 7 It is an axial cross-sectional view of the condensate pump of the utility model;

[0017] Among them: 11-first cavity, 12-second cavity, 100-pump body, 200-rotor assembly, 210-impeller, 300-stator coil assembly for pump, 310-skeleton, 320-enameled wire winding, 330-thermal protector, 331-first pin, 332-second pin, 340-iron core, 350-first plug, 351-first plug body, 352-first connecting part, 353-first folding part, 360-second plug, 361-second plug body, 362-second connecting part, 363-second folding part, 364-second hook, 370-third plug, 371-third plug body, 372-third hook, 380-silicone glue, 400-pump cover DETAILED DESCRIPTION

[0018] The utility model discloses a stator assembly for a pump. Figure 1 and Figure 7The pump stator assembly is mainly composed of a cylindrical coil for inserting and installing an iron core 340, including a cylindrical frame 310, an enameled wire winding 320 wound on the frame 310, a thermal protector 330 attached to the outer periphery of the enameled wire winding 320, and a plug fixed to the frame 310, wherein the plug includes a first plug 350 for connecting to an external power source and to the thermal protector 330, a second plug 360 for connecting to the enameled wire winding 320 and to the thermal protector 330, and a third plug 370 for connecting to an external power source and conducting with the enameled wire winding 320. Two arms of the stator iron core 340 are installed and fixed through the cylindrical hollow part of the frame 310.

[0019] See Figures 1 to 4 The first plug 350 of the utility model includes a plate-shaped first plug body 351 extending radially along the column of the skeleton 310, a first connection portion 352 bent from the middle of the first plug body 351 to extend axially along the column of the skeleton 310, and a first folding portion 353 folded from the left side of the first connection portion 352. The second plug 360 includes a plate-shaped second plug body 361 extending radially along the column of the skeleton 310, a second connection portion 362 bent from the second plug body 361 along the radial side of the column of the skeleton 310 to extend axially along the column of the skeleton 310, and a second folding portion 363 folded from the right side of the second connection portion 362. Preferably, in order to facilitate the automatic hanging of the end or end of the enameled wire 320, the second plug 360 also includes a second hook 364 bent from the right side thereof. The thermal protector includes a first pin 331 and a second pin 332 extending outward from the thermal protector body and being independent of each other. When assembling the pump stator assembly 300 of the utility model, the insert is first installed on the frame 310, wherein the opening surrounded by the first connecting portion 352 and the first folding portion 353 of the first insert 350 is arranged opposite to the opening surrounded by the second connecting portion 362 and the second folding portion 363 of the second insert 360; then the enameled wire 320 winding is wound on the frame 310; after the winding of the enameled wire winding 320 is completed, the first pin 331 of the thermal protector is extended into the space surrounded by the first connecting portion 352 and the first folding portion 353 and connected to the two by butt welding or crimping, and at the same time, the second pin 332 of the thermal protector is extended into the space surrounded by the second connecting portion 362 and the second folding portion 363 and connected to the two by butt welding or crimping.

[0020] See Figure 1 In order to facilitate the heat transfer of the enameled wire winding 320 to the thermal protector 330 and improve the safety of use, a silicone adhesive 380 is further provided between the thermal protector 330 and the enameled wire winding 320 of the stator coil assembly 300 of the condensing pump of the present invention.

[0021] See Figure 7In order to facilitate the production and processing of the third plug 370 and improve the utilization rate of raw materials, the third plug 370 of the utility model includes a plate-shaped third plug body 371 extending along the radial direction of the frame 310 and a third hook 372 folded from the middle of the third plug body to form a wire head or wire tail for the enameled wire winding 320.

[0022] The utility model discloses a condensate pump. Figure 6 and Figure 7 The condensate pump comprises a pump body 100, a rotor assembly 200, an iron core 340, a pump cover 400 disposed on the pump body 100, and the above-mentioned pump stator coil assembly 300, wherein the pump body 100 is provided with a first cavity 11 and a second cavity 12 separated from each other, the rotor assembly 200 is rotatably installed in the first cavity 11, and the iron core 340 and the pump stator coil assembly are fixedly arranged in the second cavity 12. The condensate pump of the utility model is simple and reliable to assemble, and the utilization rate of raw materials is high.

[0023] The present invention is not limited to the above-mentioned embodiments. If various changes or modifications to the present invention do not depart from the spirit and scope of the present invention, and if these changes and modifications fall within the claims of the present invention and the scope of equivalent technologies, the present invention is also intended to include these changes and modifications.

Claims

1. A stator coil assembly for a pump, comprising a cylindrical frame (310), an enameled wire winding (320) wound on the frame (310), a thermal protector (330) attached to the outer periphery of the enameled wire winding (320), and an insert fixed to the frame (310) for electrically connecting the enameled wire winding (320) to the outside, characterized in that: The insert sheet comprises a first insert sheet (350) and a second insert sheet (360), wherein the first insert sheet (350) comprises a plate-shaped first insert sheet body (351) extending in the radial direction of the column of the frame (310), a first connecting portion (352) bent from the middle of the first insert sheet body (351) and extending in the axial direction of the column of the frame (310), and a first folding portion (353) folded from the left side of the first connecting portion (352), and the second insert sheet (360) comprises a plate-shaped second insert sheet body (361) extending in the radial direction of the column of the frame (310). 1) A second connecting portion (362) extending along the axial direction of the column of the skeleton (310) is bent from the second plug body (361) along one radial side of the column of the skeleton (310) to form a second connecting portion (362) and a second folding portion (363) folded from the right side of the second connecting portion (362), one pin of the thermal protector (330) extends into the space enclosed by the first connecting portion (352) and the first folding portion (353) and is electrically connected to the two, and another pin thereof extends into the space enclosed by the second connecting portion (362) and the second folding portion (363) and is electrically connected to the two.

2. The stator coil assembly for a pump according to claim 1, characterized in that: The second plug piece (360) further comprises a second hook (364) formed by bending from the right side of the second plug piece body (361).

3. The stator coil assembly for a pump according to claim 1 or 2, characterized in that: The plug piece also includes a third plug piece (370), and the third plug piece (370) includes a plate-shaped third plug piece body (371) extending radially along the columnar shape of the frame (310) and a third hook (372) formed by folding from the middle of the third plug piece body.

4. The stator coil assembly for a pump according to claim 1, characterized in that: Silicone glue (380) is provided between the thermal protector (330) and the enameled wire winding (320).

5. A condensate pump, characterized in that: The invention comprises a pump body (100), a rotor assembly (200), an iron core (340), a pump cover (400) arranged on the pump body (100), and a stator coil assembly for a pump as claimed in any one of claims 1 to 4, wherein the pump body (100) is provided with a first cavity (11) and a second cavity (12) separated from each other, the rotor assembly (200) is rotatably installed in the first cavity (11), and the iron core (340) and the stator coil assembly for the pump are fixedly arranged in the second cavity (12).

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