Plastic package motor and fan

Abstract

The utility model belongs to the technical field of motors, and particularly discloses a plastic package motor and a fan, the plastic package motor comprises a plastic package stator assembly, a PCB and a cover plate, the plastic package stator assembly comprises a plastic package stator and a PIN needle, the plastic package stator is provided with a mounting groove, one end of the PIN needle is electrically connected with a winding wire of the plastic package stator, and the other end of the PIN needle is electrically connected with the PCB. The other end of the connecting rod penetrates through the groove bottom of the mounting groove and is arranged in the mounting groove; at least one fracture is formed in the side wall of the mounting groove; the PCB is connected with pins, and the pins are connected with the PINs in an inserted mode. The cover plate is configured to seal the top and the fracture of the mounting groove, the fan adopts the plastic package motor, so that the B plate is connected with the PIN needle in an inserted mode by arranging the pin, compared with a traditional welding structure, the structure is simpler, the mounting and the dismounting are more convenient, the fracture is formed in the side wall of the mounting groove, and in the dismounting and mounting process, the mounting and the dismounting are more convenient. And the fracture can provide an activity space for fingers of an operator, so that the disassembly and assembly efficiency of the PCB is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor technical field especially relates to a plastic package motor and fan. BACKGROUND

[0002] At present, when installing the PCB board, the installation groove is often set on the end face of the plastic package stator, and the end of the winding PIN needle (hereinafter referred to as PIN needle) in the plastic package stator is located in the installation groove, and the PCB board is welded with the PIN needle when installing the PCB board, and then the inner cavity is closed through the cover plate; because the structure of the plastic package outer rotor motor is relatively compact, the size of the inner cavity of the installation groove on the plastic package stator is small, and when the PCB board in the plastic package motor adopts the above installation structure, the welding assembly is difficult, and the assembly efficiency is reduced; after welding assembly, if there is PCB board rework, because of the welding of the PCB and the small size of the inner cavity of the plastic package stator, the PCB board is difficult to disassemble, and the disassembly efficiency is low. SUMMARY

[0003] The utility model solves the technical problem that a plastic package motor and fan can effectively solve the problem of low disassembly efficiency of the PCB board.

[0004] The above technical problem is solved by the following technical scheme:

[0005] The plastic package motor comprises:

[0006] A plastic package stator assembly comprises a plastic package stator and a PIN needle, the plastic package stator is provided with an installation groove, one end of the PIN needle is electrically connected with the plastic package stator, the other end penetrates the groove bottom of the installation groove and is placed in the installation groove, and at least one break is arranged on the side wall of the installation groove;

[0007] A PCB board is connected with a pin, and the pin is inserted with the PIN needle;

[0008] A cover plate is configured to close the top of the installation groove and the break.

[0009] Compared with the background technology, the plastic package motor has the beneficial effects that:

[0010] When the plastic package motor adopts the above installation structure of the PCB board, the PCB board is inserted with the PIN needle by setting the pin, which is simpler than the traditional welding structure, so that the disassembly is more convenient, and the break is arranged on the side wall of the installation groove, which can provide the operator with a space during the disassembly of the PCB board, and the disassembly efficiency of the PCB board is improved. At the same time, the cover plate can close the top of the installation groove and the break, and the sealing property of the plastic package motor can be ensured.

[0011] In one of the embodiments, one end of the pin is connected to the PCB, and the other end of the pin is bent into a plug-in slot, the bottom of the plug-in slot is provided with a plug-in hole, and the PIN pin is plugged into the plug-in hole.

[0012] In one of the embodiments, the size of the plug-in slot gradually increases from the bottom of the plug-in slot to the opening of the plug-in slot.

[0013] In one of the embodiments, the pin has elasticity.

[0014] In one of the embodiments, the PIN pin is fixed to the bottom of the mounting slot, and the plastic package stator assembly is further provided with a first support table and a second support table, the first support table and the second support table are arranged on the bottom of the mounting slot, and the PCB can be lapped on the first support table and the second support table.

[0015] In one of the embodiments, the first support table comprises a first table and a second table, the first table is arranged on the bottom of the mounting slot, the second table is arranged on the end of the first table away from the bottom of the mounting slot, the size of the second table is smaller than that of the first table, the PCB is provided with a sleeve hole, and the PCB is sleeved on the second table and lapped on the first table through the sleeve hole.

[0016] In one of the embodiments, the cover plate is provided with a pressing convex, the pressing convex is arranged one by one corresponding to the first support table, the pressing convex is provided with a connecting hole for inserting the second table, and when the second table is inserted into the connecting hole, the pressing convex and the first table press the PCB.

[0017] In one of the embodiments, the cover plate is provided with an embedded block, and the embedded block can be sealedly embedded in the fracture.

[0018] In one of the embodiments, one of the embedded block and the end face of the fracture is provided with a sliding groove extending from the opening of the mounting slot to the bottom of the mounting slot, and the other is provided with a sliding convex strip sliding along the sliding groove.

[0019] A fan is also provided, which uses the plastic package motor. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 A longitudinal sectional view of the plastic package motor is provided.

[0021] Figure 2 For Figure 1 An enlarged view of A in the middle;

[0022] Figure 3The utility model provides a plastic package motor removes the schematic diagram of PCB board and cover plate;

[0023] Figure 4 For Figure 3 The enlarged view of B;

[0024] Figure 5 The schematic diagram of PCB board is inserted in PIN pin provided by the utility model;

[0025] Figure 6 For Figure 5 The enlarged view of C;

[0026] Figure 7 The transverse sectional view of plastic package motor provided by the utility model;

[0027] Figure 8 The schematic diagram of cover plate provided by the utility model.

[0028] Label explanation:

[0029] 1, plastic package stator assembly;11, plastic package stator;111, installation groove;112, fracture;12, PIN pin;13, first support table;131, first table;132, second table;14, second support table;

[0030] 2, PCB board;

[0031] 3, pin;31, insertion slot;

[0032] 4, cover plate;41, press convex;411, connecting hole;42, embedded block;421, sliding convex strip;422, sliding groove. Specific implementation

[0033] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0034] In the description of the present application, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the present application.

[0035] The terms "first", "second", "third", "fourth", "fifth", "sixth", "seventh" and "eighth" are only used for descriptive purposes and are not to be construed as indicating or implying relative importance or a specific number of the technical features indicated. Thus, features defined with "first", "second", "third", "fourth", "fifth", "sixth", "seventh" and "eighth" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise specified.

[0036] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connection" and "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral connection; it can be mechanical connection, or electrical connection; it can be direct connection, or indirect connection through intermediate medium, or internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0037] As shown in Figures 1 to 8 The present application provides a plastic package motor, which comprises a plastic package stator assembly 1, a PCB board 2 and a cover plate 4. The plastic package stator assembly 1 comprises a plastic package stator 11 and a PIN needle 12. The plastic package stator 11 is provided with a mounting groove 111. One end of the PIN needle 12 is electrically connected to the plastic package stator 11, and the other end penetrates the groove bottom of the mounting groove 111 and is placed in the mounting groove 111. The side wall of the mounting groove 111 is provided with at least one breakage 112. The PCB board 2 is connected with a pin 3, and the pin 3 is inserted with the PIN needle 12. The cover plate 4 is configured to close the top of the mounting groove 111 and the breakage 112.

[0038] When the plastic package motor adopts the mounting structure of the above-mentioned PCB board 2, the PCB board 2 is inserted with the PIN needle 12 by setting the pin 3, which is simpler than the traditional welding structure, so that it is more convenient to disassemble and assemble. In addition, the breakage 112 is arranged on the side wall of the mounting groove 111, which can provide the operator with a space for operation during the disassembly and assembly of the PCB board 2, thereby improving the disassembly and assembly efficiency of the PCB board 2. At the same time, the cover plate 4 can close the top of the mounting groove 111 and the breakage 112, which can ensure the sealing of the plastic package motor.

[0039] It should be noted here that the plastic package motor also includes a rotor and other necessary structures, which are all prior art and their structures will not be described separately.

[0040] As shown in Figure 2As shown, in some embodiments, one end of the pin 3 is welded on the PCB board 2, and in order to optimize the installation space, an avoiding hole is arranged on the PCB board 2, the other end of the pin 3 is located at the avoiding hole and is bent into a plug-in slot 31 at the avoiding hole, the slot bottom of the plug-in slot 31 is provided with a plug-in hole, the PIN pin 12 can be tightly plugged into the plug-in hole, and then the PCB board 2 and the PIN pin 12 are connected through the pin 3. It can be understood that, in some alternative embodiments, the pin 3 can also be arranged protruding from the edge of the PCB board 2, so as to replace the avoiding hole. In the current embodiment, the size of the plug-in slot 31 gradually increases from the slot bottom to the slot opening, forming a horn or a horn-like shape, facilitating the insertion of the PIN pin 12. In the current embodiment, the pin 3 has elasticity, avoiding breakage during plugging.

[0041] As shown in Figure 3 and Figure 4 As shown, in some embodiments, the PIN pin 12 is fixed to the slot bottom of the mounting slot 111, and in order to ensure the stability of the PCB board 2 after installation, the plastic package stator assembly 1 is also provided with a first support table 13 and a second support table 14, the first support table 13 and the second support table 14 are arranged on the slot bottom of the mounting slot 111, and the PCB board 2 is lapped on the first support table 13 and the second support table 14. Specifically, the first support table 13 includes a first table 131 and a second table 132, the first table 131 is arranged on the slot bottom of the mounting slot 111, and the second table 132 is arranged on one end of the first table 131 away from the slot bottom of the mounting slot 111, the size of the second table 132 is smaller than the size of the first table 131, so as to form a limiting step through the size difference, and the PCB board 2 is provided with a sleeve hole, and the PCB board 2 is sleeved on the second table 132 through the sleeve hole and is lapped on the first table 131 for stability. Exemplarily, the second support table 14 is similar in structure to the first support table 13; in the current embodiment, the second support table 14 also has a limiting step, and the step height of the second support table 14 is consistent with the step height of the first support table 13, and the difference lies in that the radial dimension of the second support table is greater than the radial dimension of the first support table 13, and the second support table 14 is located at the center of the slot bottom of the mounting slot 111. The first support table 13 is provided with a plurality of sleeve holes, and each first support table 13 corresponds to one sleeve hole. In other embodiments, the sleeve hole can be the same as the avoiding hole.

[0042] As shown in Figure 4 and Figure 8As shown, in order to further limit the PCB 2 in the axial direction of the PIN pin 12, the cover plate 4 can further be provided with a press-fit protrusion 41, and the press-fit protrusion 41 is provided with at least one, and it needs to be pointed out that the number of the press-fit protrusion 41 corresponds to the first support table 13. The press-fit protrusion 41 is provided with a connecting hole 411 for inserting the second table 132 corresponding thereto, and when the second table 132 is inserted into the connecting hole 411, the press-fit protrusion 41 is pressed against the first table 131 and the PCB 2. Moreover, the above-mentioned mounting mode of inserting the second table 132 into the connecting hole 411 can also fix the cover plate 4. In other alternative embodiments, the end face of the second table 132 away from the first table 131 is provided with a threaded hole, and the connecting hole 411 is a through hole or a stepped hole, so as to cooperate with the fastening of the bolt or screw.

[0043] As shown in Figure 3 , Figure 4 and Figure 8 , in some embodiments, the fracture 112 is provided with a plurality of fracture 112 along the circumference of the mounting groove 111, and the fracture 112 extends from the groove opening of the mounting groove 111 to the groove bottom of the mounting groove 111. The cover plate 4 is provided with an embedded block 42, and the embedded block 42 can be sealed into the fracture 112, so as to seal the port, seal the PCB 2 in the mounting groove 111, and avoid water vapor from entering and damaging the PCB 2. In order to further improve the tightness of the cover plate 4, the embedded block 42 and one of the end faces of the fracture 112 are provided with a sliding groove 422 extending from the groove opening of the mounting groove 111 to the groove bottom of the mounting groove 111, and the other is provided with a sliding protrusion 421. When the cover plate 4 is installed, the embedded block 42 is only required to be opposite to the fracture 112, and the sliding protrusion 421 is only required to be slid into the sliding groove 422.

[0044] The application also provides a fan which adopts the above-mentioned plastic package motor, so as to improve the dismounting efficiency of the PCB 2 in the plastic package motor.

[0045] In the specific content of the above-mentioned specific embodiments, any combination of technical features can be combined, and in order to make the description simple, all possible combinations of the above-mentioned technical features are not described, but as long as the combination of the technical features does not exist, it should be considered as the scope of the description.

[0046] The specific content of the above-mentioned specific embodiments only expresses several embodiments of the application, and the description is more specific and detailed, but it cannot be understood as a limitation of the patent scope of the application. It should be pointed out that for ordinary skilled persons in the art, without departing from the concept of the application, a number of modifications and improvements can be made, which all belong to the protection scope of the application. Therefore, the protection scope of the patent of the application should be subject to the appended claims.

Claims

1. A plastic encapsulated motor characterized by, The application relates to a plastic-sealed stator assembly (1) comprising a plastic-sealed stator (11) provided with an installation groove (111) and a PIN needle (12) with one end electrically connected to the plastic-sealed stator (11) and the other end penetrating through the bottom of the installation groove (111) and placed in the installation groove (111), and a side wall of the installation groove (111) being provided with at least one break (112); a PCB board (2) connected with a pin (3) which is inserted into the PIN needle (12); and a cover plate (4) configured to close the top of the installation groove (111) and the break (112). One end of the pin (3) is connected to the PCB board (2), and the other end of the pin (3) is bent into an insertion groove (31) provided with an insertion hole into which the PIN needle (12) is inserted. The size of the insertion groove (31) gradually increases from the bottom of the insertion groove (31) to the opening of the insertion groove (31). The pin (3) is elastic.

2. The plastic encapsulated motor of claim 1, wherein, The plastic-sealed stator assembly (1) is further provided with a first support table (13) and a second support table (14) arranged at the bottom of the installation groove (111), and the PCB board (2) is overlapped on the first support table (13) and the second support table (14).

3. The plastic encapsulated motor of claim 2, wherein, The first support table (13) comprises a first table (131) arranged at the bottom of the installation groove (111) and a second table (132) arranged at one end of the first table (131) away from the bottom of the installation groove (111), and the size of the second table (132) is smaller than that of the first table (131), the PCB board (2) is provided with a sleeve hole, and the PCB board (2) is sleeved on the second table (132) and overlapped on the first table (131) through the sleeve hole.

4. The plastic encapsulated motor of claim 1, wherein, The cover plate (4) is provided with a pressing protrusion (41) corresponding to the first support table (13), the pressing protrusion (41) is provided with a connecting hole (411) for inserting the second table (132), and when the second table (132) is inserted into the connecting hole (411), the pressing protrusion (41) and the first table (131) press the PCB board (2).

5. The plastic encapsulated motor of claim 1, wherein, The cover plate (4) is provided with an embedded block (42) capable of being tightly embedded in the break (112).

6. The plastic encapsulated motor of claim 5, wherein, One of the end faces of the embedded block (42) and the break (112) is provided with a sliding groove (422) extending from the opening of the installation groove (111) to the bottom of the installation groove (111), and the other is provided with a sliding convex strip (421) sliding along the sliding groove (422).

7. The plastic encapsulated motor of claim 6, wherein, ​ 8. The plastic encapsulated motor according to any one of claims 1-7, wherein, ​ 9. The plastic encapsulated motor of claim 8, wherein, ​ 10. A fan characterised by The fan adopts the plastic-sealed motor as claimed in any one of claims 1-9.

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