Copper bar and motor connector

Abstract

The utility model discloses a copper bar and a motor connector in the technical field of motor connectors, the copper bar comprises a plurality of copper bar units, a connecting piece is arranged between two adjacent copper bar units, and the plurality of copper bar units and the connecting piece are in an integrated structure. The utility model solves the problems that the existing copper bar adopts a split type production mode, is difficult to assemble and long in production period in production, needs to be installed in a mold for many times in the production process, increases the difficulty of injection molding positioning, and deviates or warps the copper bar, and can be produced and manufactured by only one set of mold, so that the production cost is reduced, and the production efficiency is improved. The cost is greatly saved; in addition, the copper bar is integrally injection-molded in the mold, the installation is convenient and fast, the production process is simplified, the assembly time is reduced, the production cycle is shortened, and the production efficiency is improved; in addition, the copper bar only needs to be installed and positioned once, the connecting position is punched off during die assembly so as to achieve the required effect, and the size precision of product positioning is effectively guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of motor connectors, in particular to a copper bus and a motor connector. Background Art

[0002] Motor connectors, a vital component in modern industry, are exquisitely designed and powerful. Motor connectors are devices used to connect motors to power sources or other electrical equipment. They can convert electrical energy or other energy sources into mechanical energy and are used as a power source for many devices and machines. In the complex electrical systems inside or outside the motor, copper bars play a key role in current transmission. Copper bars transmit current in the electrical system inside or outside the motor, and motor connectors are the connection points between these copper bars and the motor or power supply. The connectors are connected to the copper bars through terminals to ensure that the current can be safely and effectively transmitted to the windings of the motor to drive the motor to work.

[0003] Usually, the manufacture of copper bars usually requires multiple sets of molds, which not only increases production costs, but may also lead to reduced production efficiency. Secondly, the existing copper bars adopt a split production method, which easily leads to assembly difficulties and prolongs the production cycle. In addition, the copper bars need to be installed in the mold multiple times during the production process, which increases the difficulty of injection molding positioning, and due to differences in assembly techniques, the copper bars may be offset or warped, affecting the positioning accuracy and quality of the final product.

[0004] The above defects need to be solved urgently. Utility Model Content

[0005] In order to solve the problems that the existing copper busbar adopts a split production method, is difficult to assemble during production, has a long production cycle, and the copper busbar needs to be installed in the mold multiple times during the production process, which increases the difficulty of injection molding positioning, and the copper busbar is offset or warped, the utility model provides a copper busbar and a motor connector.

[0006] A copper bar comprises a plurality of copper bar units, a connecting piece is arranged between two adjacent copper bar units, and the plurality of copper bar units and the connecting piece are an integrally formed structure.

[0007] According to the utility model of the above solution, the connecting piece is provided with a weak portion which is convenient for breaking during mold closing.

[0008] According to the utility model of the above solution, grooves are provided on both the upper and lower sides of the weak portion.

[0009] According to the above-mentioned solution of the utility model, the groove width of the groove gradually increases from the groove bottom to the groove top.

[0010] According to the utility model of the above solution, the cross-sectional shape of the groove is U-shaped or V-shaped.

[0011] A motor connector comprises the above-mentioned copper bar and a plastic component, wherein the plastic component is arranged on the surface of the copper bar through an integral molding process.

[0012] According to the utility model of the above solution, the plastic part is provided with avoidance holes corresponding one to one with the connecting parts of the copper busbar.

[0013] According to the above-mentioned solution of the utility model, the radius of the avoidance hole is greater than the length of the connecting piece.

[0014] According to the above-mentioned solution of the utility model, the radius of the avoidance hole is greater than the width of the connecting piece.

[0015] According to the utility model of the above solution, a plurality of positioning holes are arranged on the plastic part.

[0016] The utility model according to the above scheme has the following beneficial effects:

[0017] In the above copper busbar, multiple copper busbar units and connectors are integrally formed, and only one set of molds is needed to complete the production and manufacturing, which greatly saves costs. In addition, the copper busbar is integrally injection molded in the mold, which is convenient and quick to install, simplifies the production process, reduces assembly time, shortens the production cycle, and improves production efficiency. In addition, the copper busbar only needs to be installed and positioned once, and the connection is punched off when the mold is closed to achieve the desired effect, effectively ensuring the dimensional precision of the product positioning. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. 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 paying creative work.

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

[0020] Figure 2 This is a disassembled diagram of the utility model;

[0021] Figure 3 for Figure 2 Enlarged view of part A.

[0022] In the figure, 1, copper bar; 11, first copper bar unit 11; 12, second copper bar unit 12; 13, third copper bar unit 13; 14, fourth copper bar unit 14; 2, plastic part; 21, avoidance hole; 3, connecting part; 31, weak part; 32, groove. DETAILED DESCRIPTION

[0023] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0024] like Figure 1 , Figure 2 As shown, the utility model provides a motor connector, including a copper bar 1 and a plastic part 2, wherein the plastic part 2 is arranged on the surface of the copper bar 1 through an integrated molding process. The copper bar 1 includes a plurality of copper bar units, and a connector 3 is arranged between two adjacent copper bar units, and the plurality of copper bar units and the connector 3 are an integrated molding structure.

[0025] like Figure 2 As shown, in this embodiment, the copper bar unit can be designed to be 4. Of course, in actual design, the number of copper bar units can be designed according to actual needs. The 4 copper bar units are respectively the first copper bar unit 11, the second copper bar unit 12, the third copper bar unit 13, and the fourth copper bar unit 14. The first copper bar unit 11 and the second copper bar unit 12 are connected at the head end and the tail end through two connectors 3, the third copper bar unit 13 is connected to one side of the first copper bar unit 11 through three connectors 3, and the fourth copper bar unit 14 is connected to one side of the second copper bar unit 12 through two connectors 3. Of course, in actual design, the number of connectors 3 between the first copper bar unit 11, the second copper bar unit 12, the third copper bar unit 13, and the fourth copper bar unit 14 can be designed according to actual needs.

[0026] In this embodiment, the four copper busbar units are respectively U phase, V phase, W phase, and N phase. U phase, V phase, and W phase constitute a three-phase system, and N phase is usually used as a neutral line to provide a loop or grounding. The three-phase system balances the load through the three phases of U, V, and W, reduces the current burden of a single phase, and improves the efficiency and reliability of the system. In a three-phase system, the current and voltage waveforms of the three phases are staggered by 120 degrees from each other, which ensures that the rotating magnetic field generated inside the motor is smooth and continuous. In practical applications, U phase, V phase, and W phase usually correspond to different line colors or logos for easy identification and connection. The N phase usually uses a specific color different from the phase line, such as blue or white, to distinguish it. This design helps to ensure the safe, reliable and efficient operation of the electrical system.

[0027] Traditional copper busbar production requires multiple sets of molds to manufacture each copper busbar unit separately, while the utility model only needs one set of molds to complete the production and manufacturing, which can reduce the manufacturing and maintenance costs of the molds, greatly saving costs, and because the copper busbar 1 is integrally formed, it reduces the material waste caused by multiple assembly and positioning. In addition, the copper busbar 1 of the utility model is integrally injection molded in the mold, which is convenient and quick to install, simplifies the production process, and reduces assembly time. Secondly, integrated molding reduces the production steps, making the conversion process from raw materials to finished products faster, shortening the entire production cycle, and improving production efficiency. In addition, the copper busbar 1 of the utility model only needs to be installed and positioned once, and the connection is punched out when the mold is closed to achieve the desired effect, effectively ensuring the dimensional precision of the product positioning and reducing deviations in the production process.

[0028] like Figure 2 , Figure 3 As shown, in this embodiment, a weak portion 31 is provided on the connector 3 to ensure that the force can be concentrated on the weak portion 31 when the mold is closed, so that the connection between the copper busbar units can be quickly and accurately disconnected, which can not only simplify the operation process and improve work efficiency, but also ensure the accuracy of separation and meet production requirements. In addition, by providing the weak portion 31, it is possible to accurately control where the copper busbar 1 breaks, ensuring the consistency and accuracy of the product size.

[0029] like Figure 2 , Figure 3 As shown, in this embodiment, grooves 32 are provided on both the upper and lower sides of the weak portion 31, which can increase the surface area of ​​the breaking point, making the punching process of the connector 3 more uniform and controllable, and the presence of the grooves 32 helps to accurately control the breaking of the weak portion 31, ensuring that the copper bus 1 is separated at a predetermined position, thereby ensuring the consistency of size. In addition, the design of the grooves 32 makes the punching process simpler, and the grooves 32 can guide the breaking along a predetermined path, reducing the complex requirements for the mold. In addition, the grooves 32 help control the breaking, so that the punching step in the production process can be completed faster, thereby improving the overall production speed.

[0030] like Figure 2 , Figure 3 As shown, in this embodiment, the groove width of the groove 32 gradually increases from the bottom of the groove to the top of the groove, forming a trapezoidal or trapezoidal-like cross-section, which helps to achieve a smoother stress distribution during the fracture process. In addition, the design of the groove 32 helps to reduce stress concentration, so that the stress can be more evenly distributed in a wider groove top area, thereby reducing the impact force during fracture, and the position and method of fracture can be more accurately controlled, ensuring that the fracture of the copper busbar 1 during the production process is more consistent and controllable. In addition, the gradually increasing design of the groove 32 helps to prevent incomplete fracture and ensure that the copper busbar unit can be broken cleanly.

[0031] In this embodiment, the cross-sectional shape of the groove 32 is U-shaped. The U-shaped groove 32 can serve as a guide for controlling fracture, so that the weak portion 31 is more easily fractured during mold closing, thereby improving the consistency of the product. In addition, the U-shaped groove 32 is relatively easy to manufacture through machining or casting processes, which helps to simplify the production process. Of course, the cross-sectional shape of the groove 32 can also be designed to be V-shaped. In actual design, the cross-sectional shape of the groove 32 can be designed according to actual needs.

[0032] like Figure 1 , Figure 2 As shown, in the present embodiment, the plastic part 2 is annular. Of course, in actual design, the shape of the plastic part 2 can be designed according to actual needs. Secondly, the plastic part 2 is arranged on the surface of the copper bar 1 through an integrated molding process to form a complete assembly, so that the plastic part 2 is more tightly combined with the copper bar 1, without additional connectors 3 or gaps. In addition, integrated molding reduces errors that may occur during assembly, such as alignment problems or loose fasteners. In addition, since the plastic part 2 has been integrated with the copper bar 1, only the positioning and fixing of the copper bar 1 need to be paid attention to during installation, which simplifies the installation steps. In addition, a plurality of positioning holes are provided on the plastic part 2, and the positioning holes ensure that each component can be accurately installed in the predetermined position, making the installation process faster and improving the assembly accuracy of the product.

[0033] like Figure 1 , Figure 2 As shown, in this embodiment, the plastic part 2 is provided with avoidance holes 21 corresponding to the connectors 3 of the copper busbar 1. The size and shape of the avoidance holes 21 are precisely matched with the connectors 3 of the copper busbar 1, which is convenient for punching out the connectors 3 when the mold is closed. In addition, the avoidance holes 21 make the punching process faster and more accurate, reducing production time and cost. In addition, the avoidance holes 21 help to ensure the quality of the connectors 3 when punching out, and reduce the generation of irregular fractures and burrs.

[0034] like Figure 1 , Figure 2 As shown, in this embodiment, the radius of the avoidance hole 21 is greater than the length of the connecting member 3, and the radius of the avoidance hole 21 is greater than the width of the connecting member 3, that is, the radius of the avoidance hole 21 is larger than the size of the connecting member 3, ensuring that the punching piece during mold closing can be easily inserted into the avoidance hole 21, while leaving enough gap to punch the connecting member 3. In addition, the larger radius of the avoidance hole 21 makes the connecting member 3 less subject to resistance during punching, simplifying the entire punching process. Of course, in actual design, the size of the radius of the avoidance hole 21 can be designed according to actual needs.

[0035] It should be noted that the indicated orientation or position relationship is based on the orientation or position relationship shown in the drawings, or is the orientation or position relationship in which the application product is usually placed when used, or is the orientation or position relationship commonly understood by technical personnel in this field, or is the orientation or position relationship in which the application product is usually placed when used. It is only for the convenience of describing the present application and simplifying the description, and does 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 present application.

[0036] It should be understood that those skilled in the art can make improvements or changes based on the above description, and all these improvements and changes should fall within the scope of protection of the claims attached to the utility model.

[0037] The above is an exemplary description of the utility model patent in conjunction with the accompanying drawings. It is obvious that the implementation of the utility model patent is not limited to the above-mentioned method. As long as various improvements are made by adopting the method concept and technical solution of the utility model patent, or the concept and technical solution of the utility model patent are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. A copper busbar, characterized in that: It comprises a plurality of copper bar units, a connecting piece is provided between two adjacent copper bar units, and the plurality of copper bar units and the connecting piece are an integrally formed structure; The connecting piece is provided with a weak portion which is convenient for punching out during mold closing, and grooves are provided on both upper and lower sides of the weak portion.

2. The copper busbar according to claim 1, characterized in that: The groove width of the groove increases gradually from the groove bottom to the groove top.

3. The copper busbar according to claim 1, characterized in that: The cross-sectional shape of the groove is U-shaped or V-shaped.

4. A motor connector, comprising the copper busbar and a plastic component as described in any one of claims 1 to 3, wherein the plastic component is arranged on the surface of the copper busbar through an integrated molding process.

5. The motor connector according to claim 4, characterized in that: The plastic part is provided with avoidance holes corresponding to the connecting parts of the copper busbar one by one.

6. The motor connector according to claim 5, characterized in that: The radius of the avoidance hole is greater than the length of the connecting piece.

7. The motor connector according to claim 5, characterized in that: The radius of the avoidance hole is greater than the width of the connecting piece.

8. The motor connector according to claim 4, characterized in that: The plastic part is provided with a plurality of positioning holes.

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