Miniature centrifugal pump convenient for capacitor installation

Abstract

The utility model provides a miniature centrifugal pump with a capacitor convenient to install, and relates to the technical field of miniature centrifugal pumps. The miniature centrifugal pump comprises a pump head, a pump shell, an isolation cavity, a connecting shaft, a rotor, a rotor shaft sleeve, a stator motor and a control panel, a supporting plate is arranged on the inner side wall of the end, away from the pump head, of the pump shell, and the stator motor is located and installed in the pump shell and located on the side, close to the pump head, of the supporting plate; the control panel is positioned and installed in the pump shell and located on the side, away from the pump head, of the supporting plate, an installation base is arranged on the side, away from the pump head, of the supporting plate and used for positioning and installing a capacitor used for the control panel, a binding post of the capacitor extends in the axial direction of the pump shell, and a wiring hole is formed in the control panel. When the control panel is positioned and installed in the pump shell, the binding post of the capacitor can be inserted into the wiring hole so as to be electrically connected with the control panel. Based on the technical scheme, the capacitor of the miniature centrifugal pump can be conveniently installed.

Description

Technical Field

[0001] The utility model relates to the technical field of micro centrifugal pumps, in particular to a micro centrifugal pump which is convenient for installing a capacitor. Background Art

[0002] The micro centrifugal pump uses the high-speed rotation of the impeller to drive the liquid to flow and squeeze, so that the liquid is discharged and circulated. Before starting the micro centrifugal pump, it is necessary to ensure effective connection with the liquid, fill the pump chamber with liquid, and then start the motor so that the pump shaft drives the impeller and water to rotate at high speed. The water undergoes centrifugal motion and is thrown to the outer edge of the impeller, and flows into the water pressure pipeline of the water pump through the flow channel of the volute pump casing. Micro centrifugal pumps are widely used in solar water heating systems, cooling systems, hot water circulation, household appliances and other fields.

[0003] In the structure of the conventional micro centrifugal pump, the terminal of the capacitor used in the control board is soldered on the control board, which is inconvenient to operate. Therefore, it is necessary to design a micro centrifugal pump that can easily install the capacitor. Utility Model Content

[0004] In view of the above problems in the prior art, the present application proposes a micro centrifugal pump that is easy to install a capacitor, which can facilitate the installation of the capacitor of the micro centrifugal pump.

[0005] The utility model provides a micro centrifugal pump that is convenient for installing a capacitor. The micro centrifugal pump that is convenient for installing a capacitor comprises a pump head, a pump housing, an isolation chamber, a connecting shaft, a rotor, a rotor sleeve, a stator motor and a control board. The pump head and the isolation chamber cover the opening of the pump housing. The isolation chamber is placed in the pump housing and the pump head. The isolation chamber separates the pump housing and the cavity in the pump head into a pump chamber and a pump waterproof chamber. The rotor is placed in the pump chamber. The rotor sleeve is installed in the rotor. The connecting shaft is inserted in the rotor sleeve. The two ends of the connecting shaft are respectively fixedly connected to the pump head and the isolation chamber. The stator motor is positioned and installed in the pump waterproof chamber to drive The rotor in the pump chamber is driven to rotate, a support plate is provided on the inner side wall of the end of the pump housing away from the pump head, the stator motor is positioned and installed in the pump housing on a side of the support plate close to the pump head, the control board is positioned and installed in the interior of the pump housing on a side of the support plate away from the pump head, a mounting seat is provided on the side of the support plate away from the pump head, the mounting seat is used to position and install the capacitor used for the control board, the terminal of the capacitor extends along the axial direction of the pump housing, and the control board is provided with a wiring hole, when the control board is positioned and installed in the interior of the pump housing, the terminal of the capacitor can be inserted into the wiring hole to be electrically connected to the control board.

[0006] As a further improvement of the above technical solution:

[0007] The above-mentioned micro centrifugal pump that is easy to install a capacitor, further, the mounting seat is provided with a mounting groove, the mounting groove is used to position and install the capacitor, and the mounting seat is provided with a vertical guide groove, the vertical guide groove is used to position and install the terminal of the capacitor.

[0008] The above-mentioned micro centrifugal pump that is easy to install a capacitor, further, has a first support plate provided on one side of the mounting base close to the terminal of the capacitor, the upper end position of the first support plate is higher than the upper end position of the capacitor positioned and installed in the mounting groove, and the vertical guide groove is opened on the first support plate.

[0009] The above-mentioned micro centrifugal pump that is easy to install a capacitor, further, is provided with a second support plate on both sides of the mounting groove on the mounting seat, and the upper end position of the second support plate is flush with the upper end position of the first support plate.

[0010] The above-mentioned micro centrifugal pump that is easy to install a capacitor, further, the support plate is provided with a hollow hole.

[0011] The above technical features can be combined in various suitable ways or replaced by equivalent technical features as long as the purpose of the utility model can be achieved.

[0012] The utility model provides a micro centrifugal pump that is easy to install a capacitor. Compared with the prior art, it has at least the following beneficial effects: when the micro centrifugal pump needs to install a capacitor, the capacitor to be installed is positioned and installed on the mounting seat, and the capacitor terminal extends along the axial direction of the pump housing, and finally the control board is positioned and installed inside the pump housing on the side of the support plate away from the pump head. At this time, the capacitor terminal can be inserted into the wiring hole to be electrically connected to the control board. Compared with the existing micro centrifugal pump, the micro centrifugal pump that is easy to install a capacitor can facilitate the installation of the capacitor of the micro centrifugal pump.

[0013] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and understandable, preferred embodiments are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0015] The present invention will be described in more detail below based on embodiments and with reference to the accompanying drawings.

[0016] Figure 1 The schematic diagram of the structure of the micro centrifugal pump provided by the embodiment of the utility model is convenient for installing a capacitor. Figure 1 ;

[0017] Figure 2 The schematic diagram of the structure of the micro centrifugal pump provided by the embodiment of the utility model is convenient for installing a capacitor. Figure 2 ;

[0018] Figure 3 A schematic diagram showing the structure of a pump housing of a micro centrifugal pump that is convenient for installing a capacitor provided by an embodiment of the utility model;

[0019] Figure 4 The schematic diagram of the structure of the control board of the micro centrifugal pump provided in the embodiment of the utility model is convenient for installing a capacitor.

[0020] In the drawings, like reference numerals are used for like parts. The drawings are not necessarily to scale.

[0021] Description of reference numerals:

[0022] 100 - a micro centrifugal pump for facilitating the installation of a capacitor, 110 - a pump head, 120 - a pump housing, 121 - a support plate, 122 - a mounting seat, 123 - a mounting groove, 124 - a vertical guide groove, 125 - a first support plate, 126 - a second support plate, 127 - a hollow hole, 130 - a control board, 131 - a wiring hole, 140 - a capacitor, 141 - a terminal. DETAILED DESCRIPTION

[0023] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0024] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0025] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0026] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0028] The utility model will be further described below in conjunction with the accompanying drawings.

[0029] The embodiment of the utility model provides a micro centrifugal pump 100 that is convenient for installing a capacitor, and can facilitate installing a capacitor 140 of the micro centrifugal pump.

[0030] See also Figure 1 and Figure 2The micro centrifugal pump 100 for easy installation of a capacitor provided by an embodiment of the utility model comprises a pump head 110, a pump housing 120, an isolation chamber, a connecting shaft, a rotor, a rotor sleeve, a stator motor and a control board 130. The pump head 110 and the isolation chamber cover are covered on the opening of the pump housing 120. The isolation chamber is placed in the pump housing 120 and the pump head 110. The isolation chamber separates the cavity in the pump housing 120 and the pump head 110 into a pump chamber and a pump waterproof chamber. The rotor is placed in the pump chamber, the rotor sleeve is installed in the rotor, the connecting shaft is inserted in the rotor sleeve, and the two ends of the connecting shaft are respectively fixedly connected to the pump head 110 and the isolation chamber. Next, the stator motor is positioned and installed in the waterproof cavity of the pump to drive the rotor in the pump cavity to rotate. The inner side wall of the end of the pump housing 120 away from the pump head 110 is provided with a support plate 121. The stator motor is positioned and installed in the pump housing 120 on the side of the support plate 121 close to the pump head 110. The control board 130 is positioned and installed inside the pump housing 120 on the side of the support plate 121 away from the pump head 110. A mounting seat 122 is provided on the side of the support plate 121 away from the pump head 110. The mounting seat 122 is used to position and install the capacitor 140 used for the control board 130. The terminal 141 of the capacitor 140 extends along the axial direction of the pump housing 120. Please combine Figure 4 , and a wiring hole 131 is opened on the control board 130. When the control board 130 is positioned and installed inside the pump housing 120, the terminal 141 of the capacitor 140 can be inserted into the wiring hole 131 to be electrically connected to the control board 130.

[0031] When the micro centrifugal pump needs to install a capacitor 140, the capacitor 140 to be installed is positioned and installed on the mounting seat 122, and the terminal 141 of the capacitor 140 extends along the axial direction of the pump housing 120. Finally, the control board 130 is positioned and installed inside the pump housing 120 on a side of the support plate 121 away from the pump head 110. At this time, the terminal 141 of the capacitor 140 can be inserted into the wiring hole 131 to be electrically connected to the control board 130. Compared with the existing micro centrifugal pump, the micro centrifugal pump 100 that is easy to install a capacitor can facilitate the installation of the capacitor 140 of the micro centrifugal pump.

[0032] The micro centrifugal pump 100 provided in the embodiment of the utility model is convenient for installing a capacitor. For details, please refer to Figure 2 and Figure 3 The mounting seat 122 is provided with a mounting groove 123, which is used to position and install the capacitor 140, and the mounting seat 122 is provided with a vertical guide groove 124, which is used to position and install the terminal 141 of the capacitor 140. The vertical guide groove 124 enables the terminal 141 of the capacitor 140 to extend along the axial direction of the pump housing 120, and the end of the terminal 141 extends out of the vertical guide groove 124 so as to be inserted into the wiring hole 131 to be electrically connected to the control board 130.

[0033] In this example, see Figure 2 and Figure 3 A first support plate 125 is provided on one side of the mounting seat 122 near the terminal 141 of the capacitor 140, the upper end position of the first support plate 125 is higher than the upper end position of the capacitor 140 positioned and installed in the mounting groove 123, and a vertical guide groove 124 is provided on the first support plate 125. Second support plates 126 are provided on both sides of the mounting groove 123 on the mounting seat 122, and the upper end position of the support plate 121 is flush with the upper end position of the first support plate 125. When the capacitor 140 is installed in the mounting groove 123, since the upper end positions of the first support plate 125 and the second support plate 126 are higher than the upper end position of the capacitor 140 positioned and installed in the mounting groove 123, the control board 130 can be prevented from squeezing the capacitor 140 installed in the mounting groove 123 along the axial direction of the pump housing 120. The support plate 121 is provided with a hollow hole 127, which facilitates the air flow on both sides of the support plate 121 and facilitates heat exchange on both sides of the support plate 121.

[0034] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0035] Although the present invention is described herein with reference to specific embodiments, it should be understood that these embodiments are merely examples of the principles and applications of the present invention. It should therefore be understood that many modifications may be made to the exemplary embodiments, and other arrangements may be designed without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that the features described in the various dependent claims and herein may be combined in a manner different from that described in the original claims. It may also be understood that the features described in conjunction with the individual embodiments may be used in other described embodiments.

Claims

1. A micro centrifugal pump that is convenient for installing a capacitor, the micro centrifugal pump that is convenient for installing a capacitor comprises a pump head, a pump housing, an isolation chamber, a connecting shaft, a rotor, a rotor sleeve, a stator motor and a control board, characterized in that: A support plate is provided on the inner side wall of the end portion of the pump housing away from the pump head, the stator motor is positioned and installed in the pump housing on a side of the support plate close to the pump head, the control board is positioned and installed inside the pump housing on a side of the support plate away from the pump head, a mounting seat is provided on the side of the support plate away from the pump head, the mounting seat is used for positioning and installing a capacitor used for the control board, the terminal of the capacitor extends along the axial direction of the pump housing, and a wiring hole is opened on the control board, when the control board is positioned and installed inside the pump housing, the terminal of the capacitor can be inserted into the wiring hole to be electrically connected to the control board.

2. The micro centrifugal pump for easy installation of capacitor according to claim 1, characterized in that: The mounting seat is provided with a mounting groove, which is used for positioning and installing the capacitor, and the mounting seat is provided with a vertical guide groove, which is used for positioning and installing the terminal of the capacitor.

3. The micro centrifugal pump for easy installation of capacitor according to claim 2, characterized in that: A first support plate is provided on one side of the mounting base close to the terminal of the capacitor, the upper end of the first support plate is higher than the upper end of the capacitor positioned and installed in the mounting groove, and the vertical guide groove is opened on the first support plate.

4. The micro centrifugal pump for easy installation of capacitor according to claim 3, characterized in that: The mounting seat is provided with second support plates on both sides of the mounting groove, and the upper end position of the second support plate is flush with the upper end position of the first support plate.

5. The micro centrifugal pump for easy installation of capacitor according to claim 1, characterized in that: The support plate is provided with hollow holes.

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