Busbar fixing mechanism and busbar assembly

Abstract

The utility model discloses a busbar fixing mechanism, the busbar fixing mechanism is made of an insulating material, the busbar fixing mechanism comprises at least two accommodating grooves which are arranged at intervals along a first direction, the accommodating grooves penetrate along the extension direction of the accommodating grooves, the accommodating grooves are used for accommodating busbars, and the two adjacent accommodating grooves are parallel to each other or are arranged at an angle; every two adjacent containing grooves are provided with a common wall, each containing groove further comprises a first groove wall opposite to the common wall in the first direction, the first groove wall of each containing groove and the corresponding common wall are each provided with at least one fixing part, and the fixing parts are used for limiting movement of the busbar in the first direction. According to the utility model, the busbar fixing cost can be reduced, the period is shortened, and the busbar fixing device is adaptive to busbars of different shapes. The utility model also provides a busbar assembly.

Description

Technical Field

[0001] The utility model relates to the field of motors, and in particular to a busbar fixing mechanism and a busbar assembly. Background Art

[0002] The busbar is a metal conductor whose main function is to efficiently conduct electricity from the power source to various types of electrical loads. It is an important connection point for electrical equipment, such as circuit breakers, fuses, switches, etc., where different components need to be connected to establish a stable electrical connection.

[0003] At present, the busbar is usually fixed by in-mold injection molding, in which the positive and negative busbars are injected into the plastic parts, which plays the role of fixing and insulation at the same time. In order to adapt to different application requirements and current-carrying standards, busbars of different specifications are usually required, that is, each time a specification is changed, it needs to be re-injected, which is not adaptable. The busbar needs to be re-injected if the shape of the busbar changes slightly. The injection molding cycle is long, and the busbar is injected as a whole, the injection molding size is large, and the cost is high. Utility Model Content

[0004] The utility model aims to solve the problems of high cost, long cycle and low adaptability of busbar fixing at present. The utility model provides a busbar fixing mechanism and a busbar assembly, which can reduce the cost of busbar fixing, shorten the cycle and adapt to busbars of different shapes.

[0005] In order to solve the above technical problems, the embodiment of the utility model discloses a busbar fixing mechanism, the busbar fixing mechanism is made of insulating material, and the busbar fixing mechanism includes:

[0006] At least two accommodating grooves are arranged at intervals along a first direction, and the accommodating grooves penetrate along the extension direction thereof, and the accommodating grooves are used to accommodate a busbar. Two adjacent accommodating grooves are arranged parallel to or at an angle to each other, and two adjacent accommodating grooves have a common wall. Each of the accommodating grooves also includes a first groove wall arranged opposite to the common wall along the first direction. The first groove wall of each of the accommodating grooves and the common wall opposite thereto are provided with at least one fixing portion, and the fixing portion is used to limit the movement of the busbar along the first direction.

[0007] The shape of the busbar is usually a rectangular bar, a flat bar or a tubular bar. The busbar usually includes conductive parts at both ends and multiple bending parts connecting the conductive parts at both ends. The shape of the busbar is different for different application requirements and current-carrying standards, such as different numbers of bending parts or changes in the height and thickness of the bending parts.

[0008] By adopting the above technical solution, the accommodating groove penetrates along its extension direction, the bent portion of the busbar is placed in the accommodating groove, at least one fixing portion is provided on the first groove wall, and at least one fixing portion is provided on the common wall. The two fixing portions are used to limit the movement of the busbar along the first direction, and the overall fixed structure is simple.

[0009] When the number of bending parts of the busbar increases, the number of busbar fixing mechanisms can be increased. When the number of busbars increases, for example, when the power supply changes from two phases to three phases, the number of busbars correspondingly changes from two to three. At this time, the number of accommodating slots can be increased. In other words, the busbar fixing mechanism can adapt to busbars of different numbers or shapes, with high adaptability. There is no need to inject a new mold again every time a busbar is replaced, thus shortening the overall development cycle and reducing the development cost. Similarly, when the height or thickness of the bending part of the busbar changes, the thickness of the fixing part of the busbar fixing mechanism can be changed to adapt to the new busbar, with small changes, namely, only several different types of busbar fixing mechanisms need to be designed to adapt to different types of busbars, without having to inject a new mold every time a busbar is replaced, thus greatly saving time and cost.

[0010] According to another specific embodiment of the utility model, the embodiment of the utility model discloses a busbar fixing mechanism, wherein the first slot wall and the common wall are connected by a connecting wall to form the accommodating slot with one end open and the other end closed, and the openings of two adjacent accommodating slots face opposite directions.

[0011] According to another specific embodiment of the utility model, the embodiment of the utility model discloses a busbar fixing mechanism, wherein the first slot wall and the common wall of each of the accommodating slots are provided with at least one snap portion, and the snap portion and the connecting wall are spaced apart along the second direction, and the snap portion, the first slot wall, the fixing portion, the connecting wall and the common wall together form a limiting space for limiting the movement of the busbar along the first direction and the second direction, and the second direction intersects with the first direction.

[0012] By adopting the above technical solution, the first slot wall is provided with at least one snap-in portion, and the common wall is provided with at least one snap-in portion. The snap-in portions and the connecting wall are spaced apart along the second direction, so as to jointly limit the movement of the busbar along the second direction. The snap-in portions are respectively arranged on the first slot wall and the common wall. The snap-in portions and the above-mentioned fixing portions are arranged opposite to each other at the same time, and form a limiting space together with the first slot wall and the common wall, so as to limit the movement of the busbar along the second direction and along the first direction. Compared with being only arranged on the first slot wall or the common wall, the fixing effect is more stable.

[0013] The buckle portion, the first groove wall, the fixing portion, the connecting wall and the common wall together form a limiting space, so that the busbar is limited in the limiting space, thereby fixing and limiting the bending portion of the busbar, and the overall fixing structure is simple.

[0014] According to another specific embodiment of the utility model, the embodiment of the utility model discloses a busbar fixing mechanism, wherein the first slot wall is provided with a fixing portion, and the common wall opposite thereto is provided with a fixing portion, and the fixing portion on the first slot wall and the fixing portion on the common wall opposite thereto are located on opposite sides of the first direction.

[0015] With the above technical solution, the fixing parts are arranged on two opposite sides of the first direction, and compared with being arranged on only one side of the first direction, the fixing effect is more stable.

[0016] According to another specific embodiment of the present utility model, the embodiment of the present utility model discloses a busbar fixing mechanism, wherein the first slot wall and the fixing portion corresponding thereto are integrally formed, and the common wall and the fixing portion corresponding thereto are integrally formed.

[0017] According to another specific embodiment of the utility model, the embodiment of the utility model discloses a busbar fixing mechanism, the snap-in parts include two, each of the snap-in parts is arranged at the opening end of the accommodating groove, and along the first direction, the two snap-in parts are respectively arranged on opposite sides of the opening end.

[0018] With the above technical solution, the buckle parts are arranged on both sides of the opening end, and the fixing effect is more stable compared to being arranged on only one side of the opening end.

[0019] According to another specific embodiment of the utility model, the embodiment of the utility model discloses a busbar fixing mechanism, the first slot wall protrudes in the direction toward the limiting space to form the snap portion, and the corresponding common wall protrudes in the direction toward the limiting space to form the snap portion, each of the snap portions of the first slot wall and the snap portion on the corresponding common wall include an inclined section, a vertical section and a horizontal section connected in sequence, the inclined section is inclined in the direction toward the limiting space, and the vertical section of the snap portion on the first slot wall and the vertical section of the snap portion on the corresponding common wall are parallel to each other.

[0020] According to another specific embodiment of the present utility model, the embodiment of the present utility model discloses a busbar fixing mechanism, wherein the first slot wall and the corresponding buckle portion are integrally formed, and the common wall and the corresponding buckle portion are integrally formed.

[0021] According to another specific embodiment of the utility model, the embodiment of the utility model discloses a busbar fixing mechanism, wherein along the first direction, the outer sides of the two outermost accommodating grooves are respectively connected with connecting parts, and the connecting parts are used to connect external devices.

[0022] By adopting the above technical solution and providing a connecting portion, the busbar can be connected to an external device (such as a motor housing).

[0023] According to another specific embodiment of the utility model, the embodiment of the utility model discloses a busbar fixing mechanism, the connecting part is provided with a plurality of screw holes and positioning holes, the positioning holes and the screw holes are spaced apart along a third direction, a metal sleeve is provided in the screw hole, so that the screw can pass through the metal sleeve to be connected to the external device, and the third direction intersects with the first direction.

[0024] By adopting the above technical solution, the busbar is connected to the external device (such as the motor housing) by passing the screw through the metal sleeve, so that the busbar is stably fixed on the external device (such as the motor housing). At the same time, a metal sleeve is arranged inside the screw hole, which can improve the strength of the screw hole and prevent the screw from being deformed when it passes through the screw hole.

[0025] According to another specific embodiment of the present utility model, the embodiment of the present utility model discloses a busbar fixing mechanism, wherein the connecting portion and the corresponding accommodating groove are integrally formed.

[0026] An embodiment of the utility model further discloses a busbar assembly, comprising a busbar fixing mechanism as described in any of the above embodiments and busbars corresponding one to one with the accommodating slots, wherein the busbars are accommodated in the accommodating slots, and each of the busbars is insulated.

[0027] According to another specific embodiment of the present utility model, the embodiment of the present utility model discloses a busbar assembly, wherein the outer surface of the busbar is sprayed with insulating paint or sleeved with an insulating sleeve.

[0028] By adopting the technical solution, the busbar can be insulated through simple operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 A schematic diagram showing the structure of one specification of a busbar;

[0030] Figure 2 A schematic diagram showing a busbar fixing structure in the prior art is shown;

[0031] Figure 3 A stereoscopic diagram of a busbar assembly provided by an embodiment of the utility model is shown;

[0032] Figure 4 A three-dimensional diagram showing a busbar fixing mechanism provided by an embodiment of the utility model;

[0033] Figure 5 A front view of a busbar fixing mechanism provided by an embodiment of the utility model is shown;

[0034] Figure 6 A top view of the busbar fixing mechanism provided in an embodiment of the utility model is shown.

[0035] Figure numerals: 1, first busbar; 10, first conductive portion; 11, first bending portion; 12, second bending portion; 13, third bending portion; 14, first insulating sleeve; 100, mold; 2, second busbar; 20, second conductive portion; 21, fourth bending portion; 22, fifth bending portion; 23, second insulating sleeve; 3, busbar fixing mechanism; 30, first busbar fixing mechanism; 31, second busbar fixing mechanism; 310, first accommodating groove; 3100, first groove wall; 3101, common wall; 3102, first fixing portion; 31 03, second fixing part; 3104, first limiting space; 3105, first connecting wall; 3106, first snapping part; 3107, second snapping part; 311, second accommodating groove; 3110, third groove wall; 3111, third fixing part; 3112, fourth fixing part; 3113, second limiting space; 3114, second connecting wall; 3115, third snapping part; 3116, fourth snapping part; 32, first connecting part; 320, screw hole; 321, positioning hole; 322, metal sleeve; 33, second connecting part. DETAILED DESCRIPTION

[0036] The following is an explanation of the implementation of the present invention by specific specific embodiments. Those skilled in the art can easily understand other advantages and functions of the present invention from the contents disclosed in this specification. Although the description of the present invention will be introduced in conjunction with the preferred embodiment, this does not mean that the features of this utility model are limited to this implementation. On the contrary, the purpose of introducing the utility model in conjunction with the implementation is to cover other options or modifications that may be extended based on the claims of the present invention. In order to provide a deep understanding of the present invention, the following description will include many specific details. The present invention can also be implemented without using these details. In addition, in order to avoid confusion or blurring the focus of the present invention, some specific details will be omitted in the description. It should be noted that, in the absence of conflict, the embodiments in the present invention and the features in the embodiments can be combined with each other.

[0037] It should be noted that in this specification, similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0038] In the description of this embodiment, it should be noted that the terms "upper", "lower", "inner", "bottom", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model.

[0039] The terms “first”, “second”, etc. are only used for distinguishing descriptions and should not be understood as indicating or implying relative importance.

[0040] In the description of this embodiment, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "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 indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this embodiment can be understood according to specific circumstances.

[0041] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0042] refer to Figure 1 and Figure 2 At present, the busbar is usually fixed by in-mold injection molding, for example Figure 1 When fixing the first busbar 1 and the second busbar 2 shown in FIG. Figure 2 Usually, the first busbar 1 and the second busbar 2 are injection molded in the mold 100, wherein the first busbar 1 is the positive electrode and the second busbar 2 is the negative electrode, but not limited to this. The mold 100 is made of plastic material and plays the role of fixing and insulation. It can be understood that this fixing method is dedicated to the mold 100 and cannot be adapted to other busbars. The adaptability is low. That is to say, when different specifications of busbars are used to meet different application requirements and current-carrying standards, it is necessary to redevelop a new mold for injection molding, which has a long development cycle and high cost.

[0043] To solve the above problems, an embodiment of the present application provides a busbar fixing mechanism, in which accommodating grooves corresponding to the number of busbars actually required are provided, and fixing parts and snap-on parts are provided on the groove walls of the accommodating grooves to limit the movement of the busbar along the first direction and the second direction, thereby ensuring the stability of the busbar and fixing the busbar. When the shape of the busbar changes, one or more such mechanisms can be provided as needed to fix the busbar. That is to say, the mechanism can be adapted to busbars of different shapes, has high adaptability, simple structure, short development cycle, and low cost.

[0044] refer to Figure 3 The application embodiment provides a busbar assembly, including: Figure 1 The first busbar 1, the second busbar 2 and the two busbar fixing mechanisms 3 shown are respectively a first busbar fixing mechanism 30 and a second busbar fixing mechanism 31. The first busbar 1 is provided with a first conductive portion 10 at both ends, a first bending portion 11, a second bending portion 12 and a third bending portion 13 are provided in the middle of the first conductive portion 10, the first bending portion 11 and the third bending portion 13 are parallel to each other, and the first bending portion 11 and the third bending portion 13 are connected by the second bending portion 12. The second busbar 2 is provided with a second conductive portion 20 at both ends, a fourth bending portion 21 and a fifth bending portion 22 are provided in the middle of the second conductive portion 20, the fourth bending portion 21 is arranged parallel to the second bending portion 12, and the fifth bending portion 22 is arranged parallel to the third bending portion 13.

[0045] For example, continue to refer to Figure 3 The second busbar fixing mechanism 31 fixes the second bending portion 12 of the first busbar 1 and the fourth bending portion 21 of the second busbar 2, and the first busbar fixing mechanism 30 fixes the third bending portion 13 of the first busbar 1 and the fifth bending portion 22 of the second busbar 2. The first busbar 1 and the second busbar 2 are fixed side by side and overlapped. The first busbar 1 is the positive pole and the second busbar 2 is the negative pole. The magnetic fields generated in opposite directions cancel each other out, effectively reducing stray inductance and improving the product EMC (Electromagnetic compatibility) performance.

[0046] For example, continue to refer to Figure 3 The first busbar 1 is sleeved with a first insulating sleeve 14, and the second busbar 2 is sleeved with a second insulating sleeve 23, but the present invention is not limited thereto. Insulating paint may also be sprayed on the outer surfaces of the first busbar 1 and the second busbar 2.

[0047] It can be understood that the embodiment of the present application does not limit the shape and size of the first busbar 1 and the second busbar 2, and does not limit the number of busbar fixing mechanisms 3. The shape and size of the first busbar 1 and the second busbar 2 are selected according to different application requirements and current-carrying standards in actual applications. They can be rectangular bars as shown in the embodiment of the present application, or flat bars or tubular bars, etc. The first busbar 1 can include four bending portions, and the second busbar 2 can include three bending portions. In this case, three busbar fixing mechanisms 3 can be selected, or two can be selected.

[0048] By assembling the busbar and the busbar fixing mechanism, they can be assembled as a busbar assembly with external equipment (such as a motor housing). At the same time, the number of busbar fixing mechanisms 3 can be selected according to the length of the busbar to achieve a comprehensive positioning effect.

[0049] The first busbar fixing mechanism 30 and the second busbar fixing mechanism 31 have the same structure and shape. It is understandable that the first busbar fixing mechanism 30 and the second busbar fixing mechanism 31 may also have different structures and shapes, which are specifically selected according to the structure and shape of the third bend 13 of the first busbar 1, the fifth bend 22 of the second busbar 2, the second bend 12 of the first busbar 1, and the fourth bend 21 of the second busbar 2. For the convenience of description, the embodiment of the present application takes the first busbar fixing mechanism 30 and the second busbar fixing mechanism 31 having the same shape as an example to expand the description. Therefore, the embodiment of the present application takes the first busbar fixing mechanism 30 as an example to expand the description.

[0050] Combine the following Figures 4 to 6 The structure of the first busbar fixing mechanism 30 is described in detail.

[0051] For example, reference Figure 4 and Figure 5 The first busbar fixing mechanism 30 is made of insulating material, such as plastic, rubber, fiber products, etc. The first busbar fixing mechanism 30 includes: Figure 4 There are two receiving grooves spaced apart from each other (in the X direction shown in the figure). For the convenience of description, the one on the left is called the first receiving groove 310, and the one on the right is called the second receiving groove 311. The first receiving groove 310 and the second receiving groove 311 are parallel to each other. The first receiving groove 310 includes a first groove wall 3100 and a common wall 3101, and is connected to the second receiving groove 311 through the common wall 3101. The second receiving groove 311 includes a common wall 3101 and a third groove wall 3110. The first groove wall 3100, the common wall 3101 and the third groove wall 3110 are respectively parallel and relatively arranged.

[0052] Exemplarily, the first slot wall 3100 , a surface of the common wall 3101 facing the first receiving slot 310 , a surface of the common wall 3101 facing the second receiving slot 311 , and the third slot wall 3110 are all provided with a fixing portion.

[0053] Specifically, the first groove wall 3100 protrudes toward the direction of the first limiting space 3104 described later to form a first fixing portion 3102, the common wall 3101, which faces the first limiting space 3104 described later, protrudes toward the first receiving groove 310 to form a second fixing portion 3103, the common wall 3101, which faces the second limiting space 3113 described later, protrudes toward the second receiving groove 311 to form a third fixing portion 3111, and the third groove wall 3110 protrudes toward the direction of the second limiting space 3113 described later to form a fourth fixing portion 3112, that is, the first fixing portion 3102 and the first groove wall 3100, the second fixing portion 3103 and the common wall 3101, the third fixing portion 3111 and the common wall 3101, and the fourth fixing portion 3112 and the third groove wall 3110 are integrally formed.

[0054] For example, reference Figures 3 to 5 The first groove wall 3100, the common wall 3101 and the third groove wall 3110 are all along the third direction (i.e. Figure 4 The first receiving groove 310 extends in the Z direction (ie, the third direction). Figure 4 The Z direction shown in the figure) penetrates through the third bending portion 13 of the first busbar 1 so that the third bending portion 13 of the first busbar 1 is accommodated in the first accommodation groove 310, and the second accommodation groove 311 extends along its extension direction (ie, the third direction, that is, Figure 4 The Z direction as shown) is penetrated so that the fifth bent portion 22 of the second busbar 2 mentioned above is accommodated in the second accommodating groove 311, the first fixing portion 3102 and the second fixing portion 3103 are used to limit the movement of the third bent portion 13 of the first busbar 1 along the first direction, and the third fixing portion 3111 and the fourth fixing portion 3112 are used to limit the movement of the fifth bent portion 22 of the second busbar 2 along the first direction.

[0055] Exemplarily, the extension direction of the first receiving groove 310 and the extension direction of the second receiving groove 311 are parallel to each other, but not limited thereto. When the first receiving groove 310 and the second receiving groove 311 are arranged at an angle, their extension directions are arranged at an angle accordingly.

[0056] It should be noted that the embodiment of the present application does not limit the number of accommodating slots and is manufactured according to the number of busbars. When two busbars are needed, for example, the power supply is two-phase, it can be set to include a first accommodating slot 310 and a second accommodating slot 311 as shown in the embodiment of the present application. When three busbars are needed, for example, the power supply is three-phase, it can be set to three accommodating slots.

[0057] Similarly, the embodiment of the present application does not limit the specific size, shape and positional relationship of the receiving groove. The size of the receiving groove is selected according to the size of the busbar. Specifically, the distance between the first fixing portion 3102 and the second fixing portion 3103 is equal to or less than the thickness of the first busbar 1. The shape of the receiving groove is selected according to the shape of the busbar. When the busbar is a tubular bar, the receiving groove can be changed to a cylindrical or rectangular shape accordingly, as long as it can accommodate the busbar and limit the movement of the busbar along the first direction. The positional relationship of the receiving groove is selected according to the arrangement of the busbar. When the first busbar 1 and the second busbar 2 are arranged in a row and parallel, the first receiving groove 310 and the second receiving groove 311 are set to be parallel to each other as shown in the embodiment of the present application. When the first busbar 1 and the second busbar 2 are arranged at an angle, the first receiving groove 310 and the second receiving groove 311 are correspondingly set to be arranged at an angle.

[0058] It should be noted that the embodiments of the present application do not limit the number and position of the fixing parts. As long as they can cooperate with the slot wall of the accommodating slot and can limit the movement of the busbar along the first direction, there may be four fixing parts as shown in the embodiments of the present application, or there may be six, eight, ten, etc.

[0059] That is to say, the busbar fixing mechanism 3 can adapt to busbars of different numbers or shapes with high adaptability. There is no need to inject a new mold every time a busbar is replaced, thus shortening the overall development cycle and reducing the development cost. Similarly, when the height or thickness of the bending portion of the busbar changes, the thickness of the fixing portion of the busbar fixing mechanism 3 can be changed to adapt to the new busbar. The change is small, that is, only several different types of busbar fixing mechanisms 3 need to be designed to adapt to busbars of different types. There is no need to inject a new mold every time a busbar is replaced, thus greatly saving time and cost.

[0060] That is, it is possible to realize that busbars of different projects and shapes share the same busbar fixing mechanism 3, which is different from the mold 100 of the prior art (refer to Figure 2 ) is greatly reduced in size, the development cycle is shortened, the cost is low, and it can be reused continuously.

[0061] For example, reference Figures 4 to 6 , along the second direction (i.e. Figure 5 Specifically, along the second direction, the first groove wall 3100 and the common wall 3101 are connected by the first connecting wall 3105 to form a first groove 310 with an open lower end and a closed upper end. Along the first direction, the first fixing portion 3102 and the second fixing portion 3103 are respectively located on opposite sides of the first direction. The second groove 311 is opened upward, that is, the open end of the second groove 311 is at the top. Specifically, along the second direction, the common wall 3101 and the third groove wall 3110 are connected by the second connecting wall 3114 to form a second groove 311 with an open upper end and a closed lower end. Along the first direction, the third fixing portion 3111 and the fourth fixing portion 3112 are respectively located on opposite sides of the first direction.

[0062] Except for the different opening directions, the first receiving groove 310 and the second receiving groove 311 have the same structure and shape. It is understandable that the first receiving groove 310 and the second receiving groove 311 may also have different structures and shapes, which are specifically selected according to the structure and shape of the first busbar 1 and the second busbar 2. For the convenience of description, the embodiment of the present application takes the first receiving groove 310 and the second receiving groove 311 having the same structure and shape as an example for explanation. Therefore, the embodiment of the present application takes the first receiving groove 310 as an example for explanation.

[0063] For example, reference Figure 4 and Figure 5 The first groove wall 3100 is provided with a first buckle portion 3106 , and a second buckle portion 3107 is provided on a side of the common wall 3101 facing the first receiving groove 310 .

[0064] Specifically, one end of the first groove wall 3100 away from the first connecting wall 3105 protrudes in the direction toward the first receiving groove 310 to form a first snapping portion 3106, and one end of the common wall 3101 facing the first receiving groove 310 away from the first connecting wall 3105 protrudes in the direction toward the first receiving groove 310 to form a second snapping portion 3107, that is, the first snapping portion 3106 and the first groove wall 3100, and the second snapping portion 3107 and the common wall 3101 are integrally formed.

[0065] In other words, the first buckle portion 3106 and the second buckle portion 3107 are both disposed at the opening end of the first receiving groove 310, that is, the first buckle portion 3106 and the second buckle portion 3107 are both connected to the first connecting wall 3105 along the second direction (i.e. Figure 5 The Y direction shown in the figure) is set to interval, combined with Figure 3 The distance between the first snap-in portion 3106 and the second snap-in portion 3107 and the first connecting wall 3105 is equal to the height of the first busbar 1. The first snap-in portion 3106, the second snap-in portion 3107 and the first connecting wall 3105 are used together to limit the movement of the first busbar 1 along the second direction (i.e., the height direction of the first busbar).

[0066] The first direction (i.e. Figure 4 The X direction shown), the second direction (i.e. Figure 4 The Y direction shown) and the third direction (i.e. Figure 4 The first direction, the second direction and the third direction are perpendicular to each other, but are not limited thereto, as long as the first direction, the second direction and the third direction intersect with each other respectively.

[0067] For example, reference Figures 4 to 6 , along the third direction (i.e. Figure 4 In the Z direction shown in the figure, the first snap-in portion 3106 is arranged on the front side of the first groove wall 3100, and the second snap-in portion 3107 is arranged on the rear side of the common wall 3101, that is, the first snap-in portion 3106 and the second snap-in portion 3107 are arranged alternately, that is, along the first direction, the first snap-in portion 3106 and the second snap-in portion 3107 are respectively arranged on opposite sides of the opening end of the first accommodating groove 310.

[0068] Similarly, a third snap-fit ​​portion 3115 is provided on one side of the common wall 3101 facing the second receiving groove 311, and a fourth snap-fit ​​portion 3116 is provided on the third groove wall 3110. The second receiving groove 311 has the same structural shape as the first receiving groove 310, so they will not be described in detail here. Please refer to the above description of the first receiving groove 310 for details.

[0069] For example, reference Figures 4 to 6 , the third buckle portion 3115 and the third fixing portion 3111 are located on different planes, and the fourth buckle portion 3116 and the fourth fixing portion 3112 are located on different planes, that is, from a top view (refer to Figure 6 ), the third buckle portion 3115 and the third fixing portion 3111 are arranged along the third direction (i.e. Figure 6 The fourth buckle portion 3116 and the fourth fixing portion 3112 are spaced apart along the third direction (ie, Figure 6 Similarly, the first buckle portion 3106 and the first fixing portion 3102, the second buckle portion 3107 and the second fixing portion 3103 are also spaced apart along the third direction (i.e. Figure 6 The Z direction as shown) is distributed at intervals.

[0070] It should be noted that the embodiment of the present application does not limit the number and specific positions of the snap-in parts. As long as they can cooperate with the first connecting wall 3105 and the second connecting wall 3114 of the accommodating groove to limit the movement of the busbar along the second direction, it can be two snap-in parts as shown in the embodiment of the present application, or it can be four, eight, ten, etc.

[0071] For example, reference Figure 5 The first snap-fit ​​portion 3106 on the first groove wall 3100 includes a first inclined section 31060, a first vertical section 31061 and a first horizontal section 31062 which are connected in sequence, the first inclined section 31060 and the first horizontal section 31062 are connected to the first groove wall 3100, the second snap-fit ​​portion 3107 on the common wall 3101 includes a second inclined section 31070, a second vertical section 31071 and a second horizontal section 31072 which are connected in sequence, the second inclined section 31070 and the second horizontal section 31072 are connected to the common wall 3101, the first vertical section 31061 and the second vertical section 31071 are parallel to each other, and the first inclined section 31060 and the second inclined section 31070 are both inclined in the direction toward the first limiting space 3104.

[0072] For example, reference Figure 4 and Figure 5 Combined with Figure 3 The first snap-on portion 3106 , the second snap-on portion 3107 , the first slot wall 3100 , the first fixing portion 3102 , the second fixing portion 3103 , the first connecting wall 3105 and the common wall 3101 together form a first limiting space 3104 , so that the first busbar 1 is limited in the first limiting space 3104 .

[0073] Specifically, along the second direction (i.e. Figure 5The upper side of the third bending portion 13 of the first busbar 1 abuts against the first connecting wall 3105, and the lower side abuts against the first buckle portion 3106 and the second buckle portion 3107, along the first direction (ie Figure 5 The third bend 13 of the first busbar 1 has a left side portion abutting against the first fixing portion 3102, and another portion being loosely fitted with the first slot wall 3100, a right side portion abutting against the second fixing portion 3103, and another portion being loosely fitted with the common wall 3101, so as to realize the movement of the third bend 13 of the first busbar 1 along the first direction and the second direction.

[0074] Similarly, the third snap portion 3115 , the fourth snap portion 3116 , the third slot wall 3110 , the third fixing portion 3111 , the fourth fixing portion 3112 , the second connecting wall 3114 and the common wall 3101 together form a second limiting space 3113 , so that the second busbar 2 is limited in the second limiting space 3113 .

[0075] Specifically, along the second direction, the lower side of the fifth bent portion 22 of the second busbar 2 abuts against the second connecting wall 3114, and the upper side abuts against the third snap portion 3115 and the fourth snap portion 3116; along the first direction, the left side portion of the fifth bent portion 22 of the second busbar 2 abuts against the third fixed portion 3111, and the other portion is loosely fitted with the common wall 3101, the right side portion abuts against the fourth fixed portion 3112, and the other portion is loosely fitted with the third groove wall 3110, so as to realize the movement of the fifth bent portion 22 of the second busbar 2 along the first direction and the second direction.

[0076] For example, reference Figure 4 and Figure 6 , along the first direction (i.e. Figure 6 The first connection portion 32 is connected to the left side of the first receiving groove 310, and the second connection portion 33 is connected to the right side of the second receiving groove 311. The first connection portion 32 and the second connection portion 33 are used to connect external equipment (such as a motor housing). The first connection portion 32 and the second connection portion 33 have the same structural shape. It can be understood that the first connection portion 32 and the second connection portion 33 may also have different structural shapes. For the convenience of description, the embodiment of the present application takes the first connection portion 32 and the second connection portion 33 having the same structural shape as an example to expand the description. Therefore, the embodiment of the present application takes the first connection portion 32 as an example to expand the description.

[0077] For example, reference Figure 4 and Figure 6 The first connecting portion 32 is provided with a screw hole 320 and a positioning hole 321, and the screw hole 320 and the positioning hole 321 are arranged along the third direction (i.e. Figure 6Along the third direction, the screw hole 320 and the positioning hole 321 of the first connecting portion 32 are arranged at the front end of the first receiving groove 310, and the screw hole and the positioning hole of the second connecting portion 33 are arranged at the rear end of the second receiving groove 311. A metal sleeve 322 is provided in the screw hole 320, and the screw passes through the metal sleeve 322 to be connected with an external device (such as a motor housing). The first connecting portion 32 and the first receiving groove 310 are integrally formed, and the second connecting portion 33 and the second receiving groove 311 are integrally formed.

[0078] It should be noted that the embodiments of the present application do not limit the number and position of the screw holes and positioning holes. The position and number of the positioning holes can be consistent with the positioning columns on the external device (such as the motor housing). The number of screw holes can be two, three, or more, and the position setting can be used as long as the busbar can be connected and fixed to the motor housing.

[0079] Although the present invention has been illustrated and described with reference to certain preferred embodiments of the present invention, it should be understood by those skilled in the art that the above contents are further detailed descriptions of the present invention in combination with specific embodiments, and it cannot be determined that the specific implementation of the present invention is limited to these descriptions. Those skilled in the art may make various changes in form and details, including making several simple deductions or substitutions, without departing from the spirit and scope of the present invention.

Claims

1. A busbar fixing mechanism, characterized in that: The busbar fixing mechanism is made of insulating material and comprises: At least two accommodating grooves are arranged at intervals along a first direction, and the accommodating grooves penetrate along the extension direction thereof, and the accommodating grooves are used to accommodate a busbar. Two adjacent accommodating grooves are arranged parallel to or at an angle to each other, and two adjacent accommodating grooves have a common wall. Each of the accommodating grooves also includes a first groove wall arranged opposite to the common wall along the first direction. The first groove wall of each of the accommodating grooves and the common wall opposite thereto are provided with at least one fixing portion, and the fixing portion is used to limit the movement of the busbar along the first direction.

2. The busbar fixing mechanism according to claim 1, characterized in that: The first groove wall and the common wall are connected by a connecting wall to form the accommodating groove with one end open and the other end closed, and the openings of two adjacent accommodating grooves face opposite directions.

3. The busbar fixing mechanism according to claim 2, characterized in that: The first slot wall and the common wall of each of the accommodating slots are each provided with at least one snap-on portion, and the snap-on portion and the connecting wall are spaced apart along the second direction, and the snap-on portion, the first slot wall, the fixing portion, the connecting wall and the common wall together form a limiting space for limiting the movement of the busbar along the first direction and the second direction, and the second direction intersects with the first direction.

4. The busbar fixing mechanism according to claim 1, characterized in that: The first groove wall is provided with a fixing portion, and the common wall opposite thereto is provided with a fixing portion, and the fixing portion on the first groove wall and the fixing portion on the common wall opposite thereto are located at opposite sides of the first direction.

5. The busbar fixing mechanism according to claim 1, characterized in that: The first groove wall and the fixing portion corresponding thereto are integrally formed, and the common wall and the fixing portion corresponding thereto are integrally formed.

6. The busbar fixing mechanism according to claim 3, characterized in that: The buckle parts include two, each of which is arranged at the opening end of the accommodating groove, and along the first direction, the two buckle parts are respectively arranged at opposite sides of the opening end.

7. The busbar fixing mechanism according to claim 3, characterized in that: The first groove wall protrudes in the direction toward the limiting space to form the snap-in portion, and the corresponding common wall protrudes in the direction toward the limiting space to form the snap-in portion, and each of the snap-in portions of the first groove wall and the snap-in portion on the corresponding common wall include an inclined section, a vertical section and a horizontal section connected in sequence, and the inclined section is inclined in the direction toward the limiting space, and the vertical section of the snap-in portion on the first groove wall and the vertical section of the snap-in portion on the corresponding common wall are parallel to each other.

8. The busbar fixing mechanism according to claim 3, characterized in that: The first groove wall and the buckle portion corresponding thereto are integrally formed, and the common wall and the buckle portion corresponding thereto are integrally formed.

9. The busbar fixing mechanism according to claim 1, characterized in that: Along the first direction, the outer sides of the two outermost receiving grooves are respectively connected with connecting parts, and the connecting parts are used to connect external devices.

10. The busbar fixing mechanism according to claim 9, characterized in that: The connecting portion is provided with a plurality of screw holes and positioning holes, the positioning holes and the screw holes are spaced apart along a third direction, a metal sleeve is provided in the screw hole so that the screw passes through the metal sleeve to connect with the external device, and the third direction intersects with the first direction.

11. The busbar fixing mechanism according to claim 9, characterized in that: The connecting portion and the corresponding accommodating groove are integrally formed.

12. A busbar assembly, characterized in that: It comprises a busbar fixing mechanism as described in any one of claims 1 to 11 and busbars corresponding to the accommodating grooves one by one, the busbars are accommodated in the accommodating grooves, and each of the busbars is insulated.

13. The busbar assembly according to claim 12, characterized in that: The outer surface of the busbar is sprayed with insulating paint or covered with an insulating sleeve.

Images