Motor output line sealing gasket and motor thereof

Abstract

The embodiment of the invention provides a motor output line sealing gasket and a motor thereof, and relates to the technical field of motors, the motor output line sealing gasket is provided with a sealing gasket body and a line outlet through hole, the sealing gasket body is used for being connected with a line outlet of a motor shell in a matched mode, and the line outlet through hole is formed in the sealing gasket body. And the inner diameter of the wire outlet through hole is reduced along the wire outlet direction to be matched with the diameter of the motor output wire. The sealing gasket body is connected with the wire outlet of the motor shell in a matched mode to form sealing, the motor output wire is led out through the wire outlet through hole, the inner diameter of the wire outlet through hole is decreased in the wire outlet direction till the motor output wire is wrapped so that the sealing function can be achieved, and the sealing gasket body and the wire outlet through hole are simple in structure and easy to install.

Description

Technical Field

[0001] The present invention relates to the technical field of motors, and in particular to a motor output line sealing pad and a motor thereof. Background Art

[0002] When leading out output lines for various types of motors and electric drive integrated systems, a sealing device is required to separate the motor cavity from the external cavity to prevent the motor heat cavity from connecting with other cavities and reduce the impact of motor heat on other components, such as condensation insulation failure caused by temperature differences between adjacent cavities.

[0003] In the prior art, sealing is generally achieved by cooperating with multiple sealing members. The sealing structure composed of multiple sealing members is complex in structure and difficult to install during use. Summary of the invention

[0004] The embodiment of the present invention provides a motor output line sealing pad and a motor thereof, so as to solve the technical problems in the related art that when multiple sealing components are used in combination, the structure is complex and the installation is difficult.

[0005] In a first aspect, an embodiment of the present invention provides a motor output line sealing gasket, comprising:

[0006] A sealing gasket body, the sealing gasket body being used for being matched and connected with the wire outlet of the motor housing;

[0007] The wire outlet through hole is arranged on the sealing pad body, and the inner diameter of the wire outlet through hole decreases along the wire outlet direction to adapt to the diameter of the motor output wire.

[0008] In some embodiments, the motor output line sealing gasket further includes:

[0009] An annular groove is provided on the outer periphery of the sealing gasket body, and the annular groove cooperates with the wire outlet of the motor housing to form a seal.

[0010] In some embodiments, the outlet through hole is an elliptical through hole.

[0011] In some embodiments, the sealing gasket body is made of rubber.

[0012] In some embodiments, the shape of the sealing gasket body is adapted to the shape of the wire outlet of the motor housing.

[0013] In some embodiments, there are multiple wire outlet through holes.

[0014] In some embodiments, the top corners of the sealing gasket body are all rounded.

[0015] In some embodiments, the axial cross-section of the outlet wire through hole is a plurality of steps arranged in a stepped manner.

[0016] In a second aspect, an embodiment of the present invention provides a motor, comprising the aforementioned motor output line sealing gasket.

[0017] In some embodiments, the wire outlet of the motor housing of the motor is provided with a protrusion that matches with the annular groove of the motor output wire sealing gasket.

[0018] The beneficial effects brought about by the technical solution provided by the present invention include:

[0019] The embodiment of the present invention provides a motor output line sealing gasket and a motor thereof, wherein the motor output line sealing gasket is provided with a sealing gasket body and a line outlet through hole, wherein the sealing gasket body is used to cooperate with the line outlet of the motor housing, wherein the line outlet through hole is provided on the sealing gasket body, and the inner diameter of the line outlet through hole decreases along the line outlet direction to adapt to the diameter of the motor output line. The sealing gasket body of the present invention cooperates with the line outlet of the motor housing to form a seal, wherein the motor output line is led out through the line outlet through hole, and the inner diameter of the line outlet through hole decreases along the line outlet direction to wrap the motor output line to achieve a sealing function, and the structure of the sealing gasket body and the line outlet through hole is simple and easy to install. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0021] Figure 1 A schematic diagram of assembling a motor output line sealing gasket provided in an embodiment of the present invention;

[0022] Figure 2 An overall schematic diagram of a motor output line sealing gasket provided by an embodiment of the present invention;

[0023] Figure 3 A schematic side view of a motor output line sealing gasket provided in an embodiment of the present invention;

[0024] Reference numerals:

[0025] 1. Gasket body;

[0026] 2. Outlet through hole; 21. First layer; 22. Second layer; 23. Third layer;

[0027] 3. Annular groove;

[0028] 4. Motor housing; 41. Protrusion. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] The embodiment of the present invention provides a motor output line sealing pad and a motor thereof, which can solve the technical problems of complex structure and difficult installation when multiple sealing components are used in combination in the prior art.

[0031] See also Figure 1 and Figure 2 As shown, a motor output line sealing gasket provided by an embodiment of the present invention is provided with a sealing gasket body 1 and a line outlet through hole 2, wherein the sealing gasket body 1 is used to cooperate with the line outlet of the motor housing 4, and the line outlet through hole 2 is provided on the sealing gasket body 1, and the inner diameter of the line outlet through hole 2 decreases along the line outlet direction to adapt to the diameter of the motor output line. The sealing gasket body 1 of the present invention cooperates with the line outlet of the motor housing 4 to form a seal, and the motor output line is led out through the line outlet through hole 2, and the inner diameter of the line outlet through hole 2 decreases along the line outlet direction to wrap the motor output line to achieve a sealing function, and the structure of the sealing gasket body and the line outlet through hole is simple and easy to install.

[0032] The embodiment of the present invention provides a motor output line sealing gasket, the motor output line sealing gasket is provided with a sealing gasket body and a line outlet through hole, the sealing gasket body is used to cooperate with the line outlet of the motor housing, the line outlet through hole is provided on the sealing gasket body, and the inner diameter of the line outlet through hole decreases along the line outlet direction to adapt to the diameter of the motor output line. The sealing gasket body of the present invention cooperates with the line outlet of the motor housing to form a seal, the motor output line is led out through the line outlet through hole, the inner diameter of the line outlet through hole decreases along the line outlet direction to wrap the motor output line to achieve a sealing function, and the structure of the sealing gasket body and the line outlet through hole is simple and easy to install.

[0033] As an optional implementation, in an embodiment of the invention, see Figure 2 and Figure 3 As shown, an annular groove 3 is also provided, and the annular groove 3 is provided on the outer periphery of the sealing gasket body 1. The shape of the annular groove 3 is adapted to the shape of the outlet of the motor housing 4, and the annular groove 3 cooperates with the outlet to form a seal. In the embodiment of the present invention, during assembly, the annular groove 3 is pressed to cooperate with the outlet of the motor housing 4, which is simple to assemble, reduces the difficulty of installing the motor output line sealing gasket, and has good sealing performance.

[0034] As an optional implementation, in an embodiment of the invention, see Figure 2 As shown, the wire outlet through hole 2 is an elliptical through hole, the aperture size and shape of the wire outlet through hole 2 are determined according to the size and shape of the motor output wire after welding, and the position of the wire outlet through hole 2 on the sealing gasket body 1 is also determined according to the position of the motor output wire after welding. In an embodiment of the present invention, the shape of the motor output wire is an ellipse, and the wire outlet through hole 2 is an ellipse that matches the shape of the motor output wire, ensuring that the motor output wire is completely wrapped by the motor output wire sealing gasket, thereby ensuring the sealing performance of the motor output wire sealing gasket.

[0035] As an optional implementation, in an embodiment of the invention, the sealing gasket body 1 is made of rubber material, and the rubber material has reliable tensile strength and hardness, and also has excellent high temperature resistance.

[0036] As an optional implementation, in an embodiment of the invention, see Figure 1 and Figure 2 As shown, the shape of the sealing pad body 1 is adapted to the shape of the motor outlet. In the embodiment of the present invention, the shape of the sealing pad body 1 is a block structure with an arc-shaped upper side, which is adapted to the shape of the motor outlet. Different types of motors and electric drive integrated systems have motor outlets of different shapes, and a sealing pad body 1 with adapted shapes is used to cooperate to achieve a sealing function.

[0037] As an optional implementation, in an embodiment of the invention, see Figure 2 As shown, the number of the outlet through holes 2 is multiple. The number of the outlet through holes 2 is determined according to the number of the motor output lines. In the embodiment of the present invention, the motor output line is a three-phase high-voltage line, and the number of the outlet through holes 2 is 3. The aperture size and shape of each outlet through hole 2 are determined according to the size and shape of the corresponding three-phase high-voltage line after welding. The position of each outlet through hole 2 on the sealing gasket body 1 is also determined according to the position of the corresponding motor output line after welding. During assembly, each annular groove 3 is pressed to match the corresponding outlet port of the motor housing 4. The assembly is simple, reducing the difficulty of installing the motor output line sealing gasket, and the sealing performance is good. The number of outlet through holes is set according to the actual needs of the motor output line, with high flexibility, and improving the adaptability of the motor output line sealing gasket.

[0038] As an optional implementation, in an embodiment of the invention, see Figure 2 As shown, the top corners of the sealing gasket body 1 are all rounded, which ensures a smooth transition of the sealing gasket body 1 and improves the mechanical properties of the sealing gasket body.

[0039] As an optional implementation, in an embodiment of the invention, see Figure 3 As shown, the axial cross-section of the outlet through hole 2 is a plurality of steps arranged in a stepped manner. Along the outlet direction of the motor output line, the size of each step is gradually reduced until the height of the step at the outlet port is adapted to the size of the motor output line, so that the motor sealing gasket completely wraps the motor output line. In the embodiment of the present invention, the outlet through hole 2 includes three steps, namely the first layer 21, the second layer 22 and the third layer 23. The first layer 21 is the entrance of the outlet port, and the third layer 23 is the outlet of the outlet port. The sizes of the first layer 21, the second layer 22 and the third layer 23 are gradually reduced until the height of the step at the outlet port is adapted to the size of the motor output line, so that the motor sealing gasket completely wraps the motor output line. Since the motor three-phase wiring nose is welded by high-temperature fusion welding, the junction between the motor three-phase wiring and the copper wire is irregularly flat. The motor output line is well flexibly wrapped by using multi-layer elliptical through holes, and the sealing of the motor output line sealing gasket is improved.

[0040] In a second aspect, an embodiment of the present invention further provides a motor, comprising the aforementioned motor output line sealing gasket. Figure 1 and Figure 2 As shown, the motor output line sealing gasket is provided with a sealing gasket body 1 and a wire outlet through hole 2, the sealing gasket body 1 is used to cooperate with the wire outlet of the motor housing 4, the wire outlet through hole 2 is provided on the sealing gasket body 1, and the inner diameter of the wire outlet through hole 2 decreases along the wire outlet direction to adapt to the diameter of the motor output line. The sealing gasket body 1 of the present invention cooperates with the wire outlet of the motor housing 4 to form a seal, the motor output line is led out through the wire outlet through hole 2, and the inner diameter of the wire outlet through hole 2 decreases along the wire outlet direction to wrap the motor output line to achieve a sealing function, the sealing gasket body and the wire outlet through hole have simple structures and are easy to install, thereby improving the sealing of the motor output line.

[0041] An embodiment of the present invention provides a motor, the motor is provided with a sealing gasket body and a wire outlet through hole, the sealing gasket body is used to cooperate with the wire outlet of the motor housing, the wire outlet through hole is provided on the sealing gasket body, and the inner diameter of the wire outlet through hole decreases along the wire outlet direction to adapt to the diameter of the motor output line. The sealing gasket body of the present invention cooperates with the wire outlet of the motor housing to form a seal, the motor output line is led out through the wire outlet through hole, and the inner diameter of the wire outlet through hole decreases along the wire outlet direction to wrap the motor output line to achieve a sealing function, the sealing gasket body and the wire outlet through hole have a simple structure and are easy to install, thereby improving the sealing of the motor output line.

[0042] As an optional implementation, in an embodiment of the invention, see Figure 2 and Figure 3 As shown, an annular groove 3 is also provided, and the annular groove 3 is provided on the outer periphery of the sealing gasket body 1. The shape of the annular groove 3 is adapted to the shape of the outlet of the motor housing 4, and the annular groove 3 cooperates with the outlet to form a seal. In the embodiment of the present invention, during assembly, the annular groove 3 is pressed to cooperate with the outlet of the motor housing 4, which is simple to assemble, reduces the difficulty of installing the motor output line sealing gasket, and has good sealing performance.

[0043] As an optional implementation, in an embodiment of the invention, see Figure 2 As shown, the wire outlet through hole 2 is an elliptical through hole, the aperture size and shape of the wire outlet through hole 2 are determined according to the size and shape of the motor output wire after welding, and the position of the wire outlet through hole 2 on the sealing gasket body 1 is also determined according to the position of the motor output wire after welding. In an embodiment of the present invention, the shape of the motor output wire is an ellipse, and the wire outlet through hole 2 is an ellipse that matches the shape of the motor output wire, ensuring that the motor output wire is completely wrapped by the motor output wire sealing gasket, thereby ensuring the sealing performance of the motor output wire sealing gasket.

[0044] As an optional implementation, in an embodiment of the invention, the sealing gasket body 1 is made of rubber material. As an optional implementation, in an embodiment of the invention, the sealing gasket body 1 is made of rubber material. The rubber material has reliable tensile strength and hardness, and also has excellent high temperature resistance.

[0045] As an optional implementation, in an embodiment of the invention, see Figure 1 and Figure 2 As shown, the shape of the sealing pad body 1 is adapted to the shape of the motor outlet. In the embodiment of the present invention, the shape of the sealing pad body 1 is a block structure with an arc-shaped upper side, which is adapted to the shape of the motor outlet. Different types of motors and electric drive integrated systems have motor outlets of different shapes, and a sealing pad body 1 with adapted shapes is used to cooperate to achieve a sealing function.

[0046] As an optional implementation, in an embodiment of the invention, see Figure 2As shown, the number of the outlet through holes 2 is multiple. The number of the outlet through holes 2 is determined according to the number of the motor output lines. In the embodiment of the present invention, the motor output line is a three-phase high-voltage line, and the number of the outlet through holes 2 is 3. The aperture size and shape of each outlet through hole 2 are determined according to the size and shape of the corresponding three-phase high-voltage line after welding. The position of each outlet through hole 2 on the sealing gasket body 1 is also determined according to the position of the corresponding motor output line after welding. During assembly, each annular groove 3 is pressed to match the corresponding outlet port of the motor housing 4. The assembly is simple, the difficulty of installing the motor output line sealing gasket is reduced, the sealing performance is good, the number of outlet through holes is set according to the actual motor output line needs, the flexibility is high, and the adaptability of the motor output line sealing gasket in the motor is improved.

[0047] As an optional implementation, in an embodiment of the invention, see Figure 2 As shown, the top corners of the sealing gasket body 1 are all rounded, which ensures a smooth transition of the sealing gasket body 1 and improves the mechanical properties of the sealing gasket body.

[0048] As an optional implementation, in an embodiment of the invention, see Figure 3 As shown, the axial cross-section of the outlet through hole 2 is a plurality of steps arranged in a stepped manner. Along the outlet direction of the motor output line, the size of each step is gradually reduced until the height of the step at the outlet port is adapted to the size of the motor output line, so that the motor sealing gasket completely wraps the motor output line. In the embodiment of the present invention, the outlet through hole 2 includes three steps, namely the first layer 21, the second layer 22 and the third layer 23. The first layer 21 is the entrance of the outlet port, and the third layer 23 is the outlet of the outlet port. The sizes of the first layer 21, the second layer 22 and the third layer 23 are gradually reduced until the height of the step at the outlet port is adapted to the size of the motor output line, so that the motor sealing gasket in the motor completely wraps the motor output line. Since the motor three-phase wiring nose is welded by high-temperature fusion welding, the junction between the motor three-phase wiring and the copper wire is irregularly flat. The motor output line is well flexibly wrapped by using multi-layer elliptical through holes, and the sealing of the motor output line sealing gasket is improved.

[0049] As an optional implementation, in an embodiment of the invention, the wire outlet of the motor housing 4 of the motor is provided with a protrusion 41 that cooperates with the annular groove of the motor output wire sealing gasket, and the shape of the protrusion 41 is adapted to the shape of the sealing gasket body 1. Different types of motors and electric drive integrated systems have wire outlets of different shapes, and a sealing gasket body 1 of adapted shape is used to cooperate to achieve a sealing function.

[0050] A motor output line sealing pad and a motor thereof in an embodiment of the present invention have the following working principles:

[0051] The motor is provided with a sealing gasket body and a wire outlet through hole. The sealing gasket body is used to cooperate with the wire outlet of the motor housing and form a seal. The wire outlet through hole is provided on the sealing gasket body. The inner diameter of the wire outlet through hole decreases along the wire outlet direction to adapt to the diameter of the motor output line. The sealing gasket body of the present invention cooperates with the wire outlet of the motor housing to form a seal. The motor output line is led out through the wire outlet through hole. The inner diameter of the wire outlet through hole decreases along the wire outlet direction to wrap the motor output line, and the axial cross-section of the wire outlet through hole is a plurality of steps arranged in a stepped manner. Along the wire outlet direction of the motor output line, the size of each step is gradually reduced until the height of the step at the wire outlet is adapted to the size of the motor output line, so that the motor sealing gasket completely wraps the motor output line. The outlet through hole includes three steps, namely the first layer, the second layer and the third layer. The first layer is the entrance of the outlet, and the third layer is the exit of the outlet. The sizes of the first layer, the second layer and the third layer are gradually reduced until the height of the step at the outlet is adapted to the size of the motor output line, so that the motor sealing gasket in the motor completely wraps the motor output line. Since the motor three-phase wiring nose is welded by high-temperature fusion welding, the junction between the motor three-phase wiring and the copper wire presents an irregular flat shape. The motor output line is well flexibly wrapped by using multi-layer elliptical through holes, and the multi-layer elliptical through holes improve the sealing performance of the motor output line sealing gasket.

[0052] In the description of the present invention, it should be noted that the terms "upper", "lower", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present invention. Unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" 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 it can be an indirect connection through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0053] It should be noted that, in the present invention, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0054] The above description is only a specific embodiment of the present invention, so that those skilled in the art can understand or implement the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but should conform to the widest scope consistent with the principles and novel features of the present invention.

Claims

1. A motor output line sealing gasket, characterized in that: include: A sealing gasket body (1), the sealing gasket body (1) being used for being matched and connected with a wire outlet of a motor housing (4); A wire outlet through hole (2), the wire outlet through hole (2) is arranged on the sealing pad body (1), and the inner diameter of the wire outlet through hole (2) decreases along the wire outlet direction to be compatible with the diameter of the motor output wire.

2. A motor output line sealing gasket according to claim 1, characterized in that: Also includes: An annular groove (3), the annular groove (3) being arranged on the outer periphery of the sealing pad body (1), the annular groove (3) cooperating with the wire outlet of the motor housing (4) to form a seal.

3. The motor output line sealing gasket according to claim 1, characterized in that: The wire outlet through hole (2) is an elliptical through hole.

4. The motor output line sealing gasket according to claim 1, characterized in that: The sealing pad body (1) is made of rubber.

5. The motor output line sealing gasket according to claim 1, characterized in that: The shape of the sealing pad body (1) is adapted to the shape of the wire outlet of the motor housing (4).

6. A motor output line sealing gasket according to claim 1, characterized in that: The number of the wire outlet through holes (2) is multiple.

7. The motor output line sealing gasket according to claim 1, characterized in that: The top corners of the sealing gasket body (1) are all rounded.

8. The motor output line sealing gasket according to claim 1, characterized in that: The axial cross section of the outlet wire through hole (2) is a plurality of steps arranged in a stepped manner.

9. A motor, characterized in that: A motor output line sealing gasket comprising any one of claims 1-8.

10. The motor according to claim 9, characterized in that: The wire outlet of the motor housing (4) of the motor is provided with a protrusion (41) which matches with the annular groove (3) of the motor output wire sealing gasket.

Images