Plastic package motor

Abstract

The utility model relates to a plastic package motor. The technical problem that an existing plastic package motor is low in production efficiency is solved. Comprising a motor shell, a motor body is arranged in the motor shell in a sealed mode, a lead is arranged on one side of the motor body, a lead sleeve is arranged on the outer side of the lead in the circumferential direction, a positioning assembly is arranged on one side of the motor shell, a protective sleeve penetrating through the motor shell is arranged in the positioning assembly, and the lead sleeve is arranged in the protective sleeve and penetrates through the motor shell through the protective sleeve. And the protective sleeve is fixedly arranged in the positioning assembly through a thread fixing structure. The integrated injection molding structure has the advantages that the production efficiency can be improved, manual processing links can be reduced, and the labor cost is reduced. The thread fixing structure can facilitate the detachable arrangement of the protective sleeve in the motor housing, and can facilitate the maintenance and repair of the lead, thereby prolonging the service life. And the leads can be conveniently bundled through the lead sleeve, so that a user can conveniently operate and connect the leads, the connection effect is ensured, and the connection efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of motor plastic sealing equipment, and in particular relates to a plastic sealing motor. Background Art

[0002] Plastic-encapsulated motors use plastic encapsulation technology to encapsulate the stator core, windings, etc. of the motor as a whole with engineering plastics, which can eliminate the traditional motor stator insulation treatment process and the metal casing of ordinary motors. This kind of micro motor is used in household appliances such as vacuum cleaners, range hoods, air conditioners, washing machines, and instrument fans. The development and production of plastic-encapsulated motors are becoming more and more important at home and abroad. It has a series of advantages that metal-shell motors do not have and has a promising future.

[0003] At present, plastic-sealed motors are used more and more widely in bathroom heaters. In order to ensure that there is no leakage during the injection molding process and the electrical performance of the motor meets the requirements, the existing plastic-sealed motors need to use lead fixing clamps to fix and insulate the leads. The lead fixing frame plays a big role in the entire production process. However, the use of lead fixing frames reduces production efficiency to a certain extent. Summary of the invention

[0004] The purpose of the utility model is to provide a plastic-sealed motor in view of the above problems.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions: the plastic-sealed motor comprises a motor housing, a motor body is sealed in the motor housing, a lead wire is provided on one side of the motor body, a lead wire sleeve is provided on the circumferential outer side of the lead wire, a positioning component is provided on one side of the motor housing, a protective sleeve penetrating the motor housing is provided in the positioning component, the lead wire sleeve is arranged in the protective sleeve and is passed through the motor housing through the protective sleeve, and the protective sleeve is fixed in the positioning component by a threaded fixing structure, the threaded fixing structure can facilitate the protective sleeve to be detachably arranged in the motor housing, and can facilitate the maintenance and repair of the lead wire in the protective sleeve, thereby improving the service life.

[0006] In the above-mentioned plastic-sealed motor, the positioning assembly includes a positioning portion vertically arranged on one side of the motor housing, the positioning portion and the motor housing are an integrated structure, and a positioning channel penetrating the positioning portion is provided at the lower end of the positioning portion, a positioning hole is provided at one end of the positioning channel, the protective sleeve is arranged in the positioning channel through the positioning hole, and the positioning hole can improve the connection efficiency between the protective sleeve and the motor housing.

[0007] In the above-mentioned plastic-sealed motor, the protective sleeve is in a cylindrical structure, and the radius of the positioning channel is consistent with that of the protective sleeve, so that the protective sleeve is easy to fit with the positioning channel and the connection stability is improved.

[0008] In the above-mentioned plastic-sealed motor, the threaded fixing structure includes an external thread arranged on the circumferential outer side of one end of the protective sleeve, and an internal thread spirally connected to the external thread is arranged in the positioning channel. The protective sleeve is fixed in the positioning channel by the internal thread and the external thread. The internal thread and the external thread can reduce the connection cost, improve the connection efficiency and ensure the connection stability.

[0009] In the above-mentioned plastic-sealed motor, the radius of the lead sleeve is smaller than or equal to the radius of the protective sleeve, which can facilitate the lead sleeve to pass through the protective sleeve and the connection between the lead and the motor body, thereby improving the connection efficiency.

[0010] In the above-mentioned plastic-encapsulated motor, the lead sleeve is a silicone glass fiber sleeve, which has good heat resistance, voltage resistance and flame resistance and can effectively protect the lead.

[0011] In the above-mentioned plastic-sealed motor, there are at least three lead wires, and the lead wires are all slidably arranged in the lead wire sleeves. The lead wires are arranged in the lead wire sleeves for the convenience of users to bundle them and to connect the lead wires to the motor body.

[0012] In the above-mentioned plastic-sealed motor, a mounting assembly is provided on the circumferential outer side of the motor housing, an upper port is provided at one end of the motor housing, and an upper sealing cover capable of closing the upper port is provided on the motor housing.

[0013] In the above-mentioned plastic-encapsulated motor, the mounting assembly includes a mounting portion arranged on the circumferential outer side of the motor housing, and the mounting portion is provided with a plurality of mounting holes. The motor housing can be quickly installed through the mounting columns and the mounting holes, and the installation stability can be ensured.

[0014] In the above-mentioned plastic-encapsulated motor, the motor housing is an integrated injection-molded structure.

[0015] Compared with the existing technology, the advantages of the utility model are:

[0016] 1. The one-piece injection molding structure can improve production efficiency, reduce manual processing links, and reduce labor costs.

[0017] 2. The threaded fixing structure can facilitate the protective sleeve to be detachably arranged in the motor housing, and can facilitate the maintenance and repair of the lead wire, thereby increasing the service life.

[0018] 3. The lead sleeve can be used to bundle the leads, making it easier for users to operate and connect the leads, thereby ensuring the connection effect and improving the connection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the utility model.

[0020] Figure 2 It is a structural sectional view of the utility model.

[0021] Figure 3 It is a structural schematic diagram of the thread fixing structure in the utility model.

[0022] Figure 4 It is a structural schematic diagram of the protective sleeve in the utility model.

[0023] In the figure: motor housing 1, upper port 11, upper sealing cover 12, lead 2, lead sleeve 3, positioning assembly 4, protective sleeve 41, positioning part 42, positioning channel 43, positioning hole 44, threaded fixing structure 5, external thread 51, internal thread 52, mounting assembly 6, mounting part 61, mounting hole 62. DETAILED DESCRIPTION

[0024] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0025] like Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, the plastic-sealed motor includes a motor housing 1, in which a motor body is sealed, a lead wire 2 is provided on one side of the motor body, and a lead wire sleeve 3 is provided on the outer side of the lead wire 2. The lead wire sleeve 3 can be used to gather the lead wire 2, so that the lead wire 2 can be connected to the motor body. A positioning component 4 is provided on one side of the motor housing 1. The positioning component can facilitate the plugging of the lead wire sleeve 3 and can provide the installation efficiency of the lead wire 2. The positioning component 4 has a protective sleeve 41 that penetrates the motor housing 1, and the lead wire sleeve 3 can be plugged in through the protective sleeve 41. The lead wire sleeve 3 is arranged in the protective sleeve 41 and is passed through the motor housing 1 through the protective sleeve 41, so that the lead wire 2 in the special-shaped sleeve 3 can be connected to the motor body, and the protective sleeve 41 is fixedly arranged in the positioning component 4 through a threaded fixing structure 5. The threaded fixing structure 5 can facilitate the protective sleeve 41 to be detachably arranged in the motor housing 1, and can facilitate the maintenance and repair of the lead wire 2 in the protective sleeve 41, thereby improving the service life.

[0026] Specifically, the positioning assembly 4 includes a positioning portion 42 vertically arranged on one side of the motor housing 1. The positioning portion 42 and the motor housing 1 are an integrated structure, which can improve the structural strength of the positioning portion 42 and improve the service life. The lower end of the positioning portion 42 is provided with a positioning channel 43 that penetrates the positioning portion 42. The positioning channel 43 facilitates the protective sleeve 41 to be fixedly set in the positioning channel 43. A positioning hole 44 is provided at one end of the positioning channel 43. The protective sleeve 41 is set in the positioning channel 43 through the positioning hole 44, and the positioning hole 44 can improve the connection efficiency between the protective sleeve 41 and the motor housing 1.

[0027] The protective sleeve 41 is cylindrical in structure, and the radius of the positioning channel 43 is consistent with that of the protective sleeve 41 , so that the protective sleeve 41 is compatible with the positioning channel 43 and the connection stability is improved.

[0028] like Figure 2 , Figure 3 , Figure 4 As shown, the threaded fixing structure 5 includes an external thread 51 arranged on the circumferential outer side of one end of the protective sleeve 41, and an internal thread 52 spirally connected to the external thread 51 is arranged in the positioning channel 43. The protective sleeve 41 is fixed in the positioning channel 43 by the internal thread 52 and the external thread 51. The internal thread 52 and the external thread 51 can reduce the connection cost and improve the connection efficiency to ensure the connection stability.

[0029] Furthermore, the radius of the lead sleeve 3 is smaller than or equal to the radius of the protective sleeve 41 , which can facilitate the lead sleeve 3 to pass through the protective sleeve 41 and the connection between the lead 2 and the motor body, thereby improving the connection efficiency.

[0030] The lead sleeve 3 is a silicone glass fiber sleeve, which has good heat resistance, voltage resistance and flame resistance, and can effectively protect the lead.

[0031] Combination Figure 1 , Figure 2 As shown, there are at least three leads 2, and the leads 2 are all slidably arranged in the lead sleeve 3. The lead 2 is arranged in the lead sleeve 3 to facilitate the user to bundle it and to facilitate the connection between the lead 2 and the motor body.

[0032] Among them, a mounting assembly 6 is provided on the outer circumferential side of the motor housing 1, which can facilitate the fixed installation of the motor housing 1. An upper port 11 is provided at one end of the motor housing 1, and an upper sealing cover 12 is provided on the motor housing 1 to close the upper port 11.

[0033] Specifically, the mounting assembly 6 includes a mounting portion 61 disposed on the circumferential outer side of the motor housing 1 , and a plurality of mounting holes 62 are provided on the mounting portion 61 . The mounting columns 61 and the mounting holes 62 can facilitate quick installation of the motor housing 1 and ensure installation stability.

[0034] Combination Figure 1 As shown, the motor housing 1 is an integrated injection-molded structure, which can effectively improve the production and installation efficiency of the motor housing 1 and can improve the installation efficiency of the lead 2 .

[0035] The principle of this embodiment is that the lead wire 2 is inserted into the lead wire sleeve 3, and one end of the lead wire 2 is connected to the motor body through the lead wire sleeve 3, and the other end of the lead wire 2 is inserted out of the lead wire sleeve 3, the lead wire sleeve 3 is arranged in the protective sleeve 41, and one end of the protective sleeve 41 is against the motor body and the motor body is integrally injection molded, and the threaded fixing structure 5 can facilitate the protective sleeve 41 to be detachably arranged in the motor housing 1, and the protective sleeve 41 can ensure the connection effect and installation efficiency of the lead wire 2.

[0036] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

[0037] Although the terms such as motor housing 1, upper port 11, upper sealing cover 12, lead wire 2, lead wire sleeve 3, positioning assembly 4, protective sleeve 41, positioning portion 42, positioning channel 43, positioning hole 44, threaded fixing structure 5, external thread 51, internal thread 52, mounting assembly 6, mounting portion 61, mounting hole 62 are used more frequently in this article, the possibility of using other terms is not excluded. The use of these terms is only for more convenient description and explanation of the essence of the utility model; interpreting them as any additional restrictions is contrary to the spirit of the utility model.

Claims

1. A plastic-encapsulated motor, comprising a motor housing (1), wherein a motor body is sealed in the motor housing (1), a lead wire (2) is provided on one side of the motor body, and a lead wire sleeve (3) is provided on the circumferential outer side of the lead wire (2), characterized in that: A positioning assembly (4) is provided on one side of the motor housing (1), and a protective sleeve (41) is provided in the positioning assembly (4) and penetrates the motor housing (1). The lead sleeve (3) is arranged in the protective sleeve (41) and is passed through the motor housing (1) through the protective sleeve (41), and the protective sleeve (41) is fixed in the positioning assembly (4) by a threaded fixing structure (5).

2. The plastic-encapsulated motor according to claim 1, characterized in that: The positioning assembly (4) includes a positioning portion (42) vertically arranged on one side of the motor housing (1); the positioning portion (42) and the motor housing (1) are an integrated structure, and a positioning channel (43) penetrating the positioning portion (42) is provided at the lower end of the positioning portion (42); a positioning hole (44) is provided at one end of the positioning channel (43); and the protective sleeve (41) is arranged in the positioning channel (43) through the positioning hole (44).

3. The plastic-encapsulated motor according to claim 2, characterized in that: The protective sleeve (41) is cylindrical in structure, and the radius of the positioning channel (43) is consistent with the radius of the protective sleeve (41).

4. The plastic-encapsulated motor according to claim 2, characterized in that: The threaded fixing structure (5) includes an external thread (51) arranged on the circumferential outer side of one end of the protective sleeve (41), an internal thread (52) spirally connected to the external thread (51) is provided in the positioning channel (43), and the protective sleeve (41) is fixed in the positioning channel (43) by the internal thread (52) and the external thread (51).

5. The plastic-encapsulated motor according to claim 1, characterized in that: The radius of the lead sleeve (3) is smaller than or equal to the radius of the protective sleeve (41).

6. The plastic-encapsulated motor according to claim 5, characterized in that: The lead-in sleeve (3) is a silicone resin glass fiber sleeve.

7. The plastic-encapsulated motor according to claim 1, characterized in that: There are at least three lead wires (2), and all of the lead wires (2) are slidably arranged in the lead wire sleeve (3).

8. The plastic-encapsulated motor according to claim 1, characterized in that: The motor housing (1) is provided with a mounting assembly (6) on the circumferential outer side, and an upper port (11) is provided at one end of the motor housing (1), and an upper sealing cover (12) capable of closing the upper port (11) is provided on the motor housing (1).

9. The plastic-encapsulated motor according to claim 8, characterized in that: The mounting assembly (6) comprises a mounting portion (61) arranged on the circumferential outer side of the motor housing (1), and a plurality of mounting holes (62) are provided on the mounting portion (61).

10. The plastic-encapsulated motor according to claim 9, characterized in that: The motor housing (1) is an integrated injection-molded structure.

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