Insulation positioning pin, electric equipment and vehicle

Abstract

The utility model provides an insulating positioning pin, electric equipment and a vehicle. The insulating positioning pin comprises a pin shaft and a shell. A cavity is formed in the shell, and part of the pin shaft is embedded in the cavity and fixedly connected with the shell; the pin shaft is a metal piece, and one side, deviating from the cavity, of the pin shaft is connected with the mounting seat; the shell is an insulating part, and a positioning part is arranged on the side, away from the pin shaft, of the shell and used for being connected with a conducting bar. The pin shaft is good in strength and rigidity performance, better in wear resistance and load impact resistance, not prone to being influenced by the external environment, not prone to cracking, damage and the like, and beneficial to improving the reliability of connection between the positioning pin and the mounting base and guaranteeing the pre-positioning effect of the conducting bar. And in addition, the treatment of a plastic coating process is omitted, so that consumables are saved, the processing period is shortened, and the production cost is controlled. The positioning pin occupies a small space, is more convenient to install and arrange, helps to reduce the pre-positioning difficulty of the conducting bar, and improves the pre-positioning precision of the conducting bar.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of electrically conductive bar fixing, in particular to an insulating positioning pin, an electric equipment and a vehicle. BACKGROUND

[0002] In a motor controller, copper bars, aluminum bars and the like are generally used as electrically conductive bars for current transmission. The electrically conductive bars are fixed on mounting seats in the controller. Since the electrically conductive bars are relatively long, the electrically conductive bars need to be pre-positioned during processing, so as to facilitate subsequent fixation of the electrically conductive bars.

[0003] In the prior art, a plastic-encased body formed by injection molding is generally used to realize pre-positioning of the electrically conductive bars. Specifically, the electrically conductive bars are subjected to plastic-encasing treatment by using the plastic-encased body, and then the plastic-encased body is fixedly connected with the mounting seat, so as to realize pre-positioning of the electrically conductive bars. However, this method has the following problems: first, the plastic-encasing process consumes a large amount of materials and has a long processing cycle, which is not conducive to control of production cost; second, the plastic-encased body occupies a large space, which leads to great difficulty in arrangement; and third, the plastic-encased body is prone to cracking in long-term use, which leads to failure of connection between the plastic-encased body and the mounting seat, and thus cannot guarantee the pre-positioning effect of the electrically conductive bars. CONTENT OF THE UTILITY MODEL

[0004] Therefore, the present application provides an insulating positioning pin, an electric equipment and a vehicle, so as to at least solve the problems of high cost, great difficulty and unguaranteed positioning effect of pre-positioning of the electrically conductive bars in the prior art.

[0005] To achieve the above object, the technical scheme of the present application is as follows:

[0006] The present application provides an insulating positioning pin, which comprises a pin shaft and a shell. The shell is internally provided with a cavity, and part of the pin shaft is embedded in the cavity and fixedly connected with the shell. The pin shaft is a metal piece, and the side of the pin shaft away from the cavity is used for connection with a mounting seat. The shell is an insulating piece, and the side of the shell away from the pin shaft is provided with a positioning part used for connection with an electrically conductive bar.

[0007] Optionally, the pin shaft has an outer peripheral surface arranged around the axial direction thereof, the outer peripheral surface is provided with a first matching part, the inner wall of the cavity is provided with a second matching part, and the first matching part and the second matching part are matched and connected to fixedly connect the pin shaft with the shell.

[0008] Optionally, part of the first matching part or the second matching part is a groove, a protrusion or knurling.

[0009] Optionally, the first fitting part or the second fitting part is a groove; the groove is arranged in a ring shape around the pin shaft; or, the groove is at least two, and the at least two grooves are arranged in a circumferential direction of the pin shaft.

[0010] Optionally, the positioning part comprises a top wall and a side wall, the top wall is located on a side away from the pin shaft, and the side wall is arranged around a circumferential side of the top wall; the top wall and the side wall are connected in an arc transition.

[0011] Optionally, the shell is further provided with a creepage enhancement part, the creepage enhancement part is arranged on an outer wall of the shell and extends in a direction away from the cavity.

[0012] Optionally, the creepage enhancement part is arranged in a ring shape around the pin shaft in an axial direction.

[0013] Optionally, an end of the pin shaft away from the cavity is provided with a chamfer.

[0014] The application also provides a kind of electric equipment, including mounting seat, conducting bar and any one of the preceding description of insulating positioning pin;The pin shaft is connected with the mounting seat, and the positioning part is connected with the conducting bar.

[0015] Optionally, the mounting seat is provided with a first insertion hole, and the pin shaft is in interference fit with the first insertion hole;The conducting bar is provided with a second insertion hole, and the positioning part is in clearance fit with the second insertion hole.

[0016] The application also provides a kind of vehicle, the vehicle includes any one of the preceding description of insulating positioning pin or the electric equipment of preceding.

[0017] Compared with the prior art, the insulating positioning pin, electric equipment and vehicle provided by the application have the following advantages:

[0018] The insulating positioning pin of the embodiment of the application positions the conducting bar, the pin shaft is a metal piece, the pin shaft is connected with the mounting seat to realize the connection between the positioning pin and the mounting seat, the strength and rigidity performance of the pin shaft is good, it is more wear-resistant, load impact-resistant, and has good stability, is not easily affected by external environment, and is not prone to cracking, damage and other conditions, thereby helping to improve the connection reliability between the positioning pin and the mounting seat, avoiding connection failure, and effectively ensuring the pre-positioning effect of the conducting bar. In addition, the positioning pin is connected with the conducting bar through the positioning part on the shell, which saves the processing of the plastic coating process, helps to save materials, shorten the processing period and control the overall production cost. At the same time, the positioning part is arranged on a side of the shell away from the pin shaft, and the positioning of the positioning pin and the conducting bar and the connection between the positioning pin and the mounting seat can be realized in the axial direction of the pin shaft, the occupied space of the positioning pin is smaller, and the installation and layout are more convenient, which helps to reduce the pre-positioning difficulty of the conducting bar and improve the pre-positioning precision of the conducting bar.

[0019] The power consumption device and the vehicle of the present application have the same or similar advantages as the aforementioned insulating positioning pin of the prior art, and thus will not be repeated here. BRIEF DESCRIPTION OF DRAWINGS

[0020] The accompanying drawings, which form a part of the present application, are intended to provide further understanding of the present application and are incorporated herein for a purpose of explanations. The schematic embodiments of the present application and the descriptions thereof are used to explain the present application and do not constitute improper limitations to the present application. In the drawings:

[0021] Figure 1 is a schematic view of an insulating positioning pin in an embodiment of the present application;

[0022] Figure 2 is a schematic view of a pin shaft in an embodiment of the present application;

[0023] Figure 3 is a schematic view of an insulating positioning pin connected with a mounting seat and a conductive strip respectively in an embodiment of the present application.

[0024] BRIEF DESCRIPTION OF DRAWINGS

[0025] 10-insulating positioning pin, 20-mounting seat, 201-first insertion hole, 30-conductive strip, 301-second insertion hole, 1-pin shaft, 11-first matching part, 12-chamfer, 2-housing, 21-positioning part, 211-top wall, 222-side wall, 22-second matching part, 23-creepage enhancement part. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0027] The terms “first”, “second”, and the like in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way can be exchanged under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than that illustrated or described herein, and the objects distinguished by “first”, “second”, etc. are generally a category, and do not limit the number of objects, for example, the first object can be one or more. In addition, “and / or” in the specification and claims means at least one of the connected objects, and the character “ / ” generally represents an “or” relationship between the front and rear associated objects.

[0028] It should be understood that the reference herein to “some embodiments” means that a particular feature, structure, or characteristic relating to an embodiment is included in at least one embodiment of the application. Therefore, the appearances of “in some embodiments” throughout the specification are not necessarily all referring to the same embodiment. Furthermore, such particular features, structures, or characteristics can be combined in any suitable manner in one or more embodiments.

[0029] A kind of insulation positioning pin, electric equipment and vehicle provided by the present application are described in detail below by enumerating specific embodiments.

[0030] Figure 1 It is the schematic view of a kind of insulation positioning pin 10 in the embodiment of the application, please refer to Figure 1 The present application provides a kind of insulation positioning pin 10, including pin shaft 1 and shell 2;Cavity is provided in shell 2, part of pin shaft 1 is embedded in cavity, and is fixedly connected with shell 2;Pin shaft 1 is metal piece, the side of pin shaft 1 away from cavity is used to be connected with mounting seat 20;Shell 2 is insulating piece, the side of shell 2 away from pin shaft 1 is provided with positioning part 21, positioning part 21 is used to be connected with conducting bar 30.

[0031] In the embodiment, insulation positioning pin 10 includes pin shaft 1 and shell 2, cavity is provided in shell 2, the shape of cavity is adapted to the shape of pin shaft 1, for the convenience of pin shaft 1 and mounting seat 20 connection, pin shaft 1 is set as cylindrical structure, so the cavity is also cylindrical cavity, part of pin shaft 1 is embedded in cavity, and is fixedly connected with shell 2, the mode of fixedly connected includes but is not limited to clamping, fastener assembly connection etc., illustratively, the outer periphery of pin shaft 1 is provided with protrusion, the inner wall of cavity is provided with recess, wherein, the outer periphery of pin shaft 1 refers to the surface formed around pin shaft 1 axial direction, the inner wall of cavity refers to the surface of cavity and pin shaft 1 connection, protrusion is clamped in recess, to realize the fixed connection of pin shaft 1 and shell 2.Or, pin shaft 1 and shell 2 are respectively provided with connecting hole, two connecting holes are coaxially arranged, and the fixed connection of pin shaft 1 and shell 2 is realized by using rivet, screw etc. fastener to be arranged in two connecting holes.Of course, pin shaft 1 and shell 2 can also adopt interference fit and other connection modes, which are not limited in the embodiment.

[0032] In addition, part of pin shaft 1 is embedded in cavity, along the axial direction of pin shaft 1, pin shaft 1 and the top of cavity can be in full contact, or there can be a certain surplus, wherein, the top of cavity refers to the side of cavity away from mounting seat 20. Figure 1 In the shown insulation positioning pin 10, pin shaft 1 and the top of cavity are in full contact, so the setting is more helpful to save the axial space occupied by positioning pin, and is more convenient for the installation and layout of positioning pin.

[0033] The pin shaft 1 is a metal piece, which can be made of stainless steel, alloy steel or the like, has good strength and rigidity, can resist load impact, and has good chemical stability, wear resistance, corrosion resistance, heat resistance and low temperature resistance. The part of the pin shaft 1 away from the cavity is used to connect with the mounting seat. The mounting seat is a component for mounting and fixing the insulating positioning pin 10. For example, if the insulating positioning pin 10 is suitable for use in a motor controller, the mounting seat is the housing 2 of the control module in the controller. If the insulating positioning pin 10 is suitable for use in a power battery pack, the mounting seat is the housing 2 of the battery module in the battery pack. It can be seen that the specific type or structure of the mounting seat is different for different application scenarios of the insulating positioning pin 10, and can be set according to actual needs. In some embodiments, the pin shaft 1 is connected with the mounting seat by insertion. The mounting seat is provided with an insertion hole, and the pin shaft 1 is inserted into the insertion hole to realize the connection between the pin shaft 1 and the mounting seat. Compared with the connection method of the prior art, the connection reliability of the pin shaft 1 is high, the pin shaft 1 itself is not easily affected by the external environment, and cracking, damage and the like are not easily caused. After connection, the pin shaft 1 is not prone to loosening. In the case of long-term use, the pin shaft 1 can still maintain reliable connection with the mounting seat. Of course, the pin shaft 1 can also be welded or clamped with the mounting seat, and the specific connection method is not limited in the embodiment.

[0034] The housing 2 is an insulating piece, which can be made of polyethylene (PE), polypropylene (PP), polyvinyl chloride (PVC), silicone rubber, nitrile rubber, fluororubber or the like, has good insulation performance, and is provided with a positioning portion 21 on the side away from the pin shaft 1. The positioning portion 21 is used to connect with a conductive bar. The conductive bar can be made of copper or aluminum, has good electrical conductivity and mechanical strength, is used for power transmission and distribution in the motor controller, and is used for series connection or parallel connection of multiple battery cells in the power battery pack. In some embodiments, the conductive bar is provided with an insertion hole, and the positioning portion 21 is inserted into the insertion hole to realize the pre-positioning of the positioning pin on the conductive bar. In the subsequent production process, the conductive bar is fixed with the mounting seat or other components by using a fixing structure, so as to avoid the conductive bar from shaking or mispositioning, and ensure the power transmission and distribution capacity of the conductive bar. It should be noted that the connection between the positioning portion 21 and the conductive bar is a movable connection, so as to adjust the position of the conductive bar.

[0035] It can be seen that the insulating positioning pin 10 in the embodiment can be used in the motor controller to realize the insulating positioning of the conductive bar in the motor controller, and can also be used in the power battery pack to realize the insulating positioning of the busbar in the battery pack. Of course, the insulating positioning pin 10 can also be used in other devices or equipment that need to realize insulating positioning. The specific application scenario is not limited in the embodiment.

[0036] In the embodiment, the connection between the pin shaft 1 and the mounting seat is achieved by interference fit to avoid relative movement between the pin shaft 1 and the mounting seat, thereby improving the connection reliability between the pin shaft 1 and the mounting seat, that is, improving the reliability of fixing the insulating positioning pin 10 to the mounting seat. The connection between the positioning part 21 on the shell 2 and the conductive row is achieved by clearance fit. Since the main purpose of the insulating positioning pin 10 is to play a pre-positioning role during the installation of the conductive row, the fixing of the conductive row is achieved by other fixing structures. Therefore, the connection between the positioning part 21 and the conductive row is achieved by clearance fit, so as to facilitate the disassembly and separation of the conductive row from the positioning part 21 in the case of needing to adjust the conductive row.

[0037] Therefore, by positioning the conductive row by the insulating positioning pin 10 of the embodiment, the pin shaft 1 is a metal piece, the pin shaft 1 is connected with the mounting seat to achieve fixed connection of the positioning pin and the mounting seat, the pin shaft 1 has good strength and rigidity performance, is more wear-resistant and load-impact-resistant, has good stability, is not easily affected by external environment, and is not prone to cracking and damage, thereby helping to improve the connection reliability between the positioning pin and the mounting seat, avoiding connection failure, and effectively guaranteeing the pre-positioning effect of the conductive row. In addition, the positioning pin is connected with the conductive row through the positioning part 21 on the shell 2, thereby saving the processing of the plastic packaging process, saving materials, shortening the processing period, and controlling the overall production cost. Meanwhile, the positioning part 21 is arranged on the side of the shell 2 away from the pin shaft 1, so that the positioning of the positioning pin and the conductive row and the connection of the positioning pin and the mounting seat can be simultaneously achieved in the axial direction of the pin shaft 1, the positioning pin occupies less space, is more convenient to install and arrange, helps to reduce the pre-positioning difficulty of the conductive row, and improves the pre-positioning precision of the conductive row.

[0038] Figure 2 FIG. 1 is a schematic view of a pin shaft 1 in the embodiment, please refer to Figure 2 In some optional embodiments, the pin shaft 1 has an outer peripheral surface arranged around the axial direction, the outer peripheral surface is provided with a first matching part 11, and the inner wall of the cavity is provided with a second matching part 22. The first matching part 11 and the second matching part 22 are matched and connected to fixedly connect the pin shaft 1 and the shell 2. In some embodiments, the pin shaft 1 and the shell 2 are directly injection molded, the pin shaft 2 is embedded in the outer peripheral surface of the cavity part to form the first matching part 11, and the inner wall of the cavity forms the second matching part 22.

[0039] In some embodiments, part of the first matching part 11 or the second matching part 22 is a groove or a protrusion. The protrusion can be a point-shaped protrusion, a block-shaped protrusion, a strip-shaped protrusion, etc., and the groove and the protrusion are in shape adaptation, which can also be a point-shaped groove, a block-shaped groove, a strip-shaped groove, etc. The protrusion is embedded in the groove to improve the bonding force of the pin shaft 1 and the shell 2 during injection molding. Figure 1 andFigure 2 The inner wall of the cavity is provided with a protrusion.

[0040] Further, the first matching part 11 or the second matching part 22 is provided with a groove, that is, the outer circumferential surface of the pin shaft 1 is provided with a groove, and the inner wall of the cavity is provided with a protrusion. The groove can be circumferentially arranged around the pin shaft 1 to form a ring structure. Figure 2 The outer circumferential surface of the pin shaft 1 is provided with a groove in the form of a ring structure, and the inner wall of the cavity can be provided with a protrusion in the form of a ring structure or a protrusion distributed at intervals. The protrusion can be embedded in the groove to be matched and connected. The groove in the form of a ring structure is convenient to process, which helps to improve the processing efficiency and can realize the circumferential full-range matching and connection of the pin shaft 1. In addition, the groove in the form of a ring structure can be one layer, two layers or multiple layers. The more the number of layers of the groove is, the stronger the connection reliability of the pin shaft 1 and the shell 2 is, but correspondingly, the processing difficulty of the pin shaft 1 is also greater.

[0041] Alternatively, the number of grooves is at least two, and the at least two grooves are arranged at intervals along the circumference of the pin shaft 1 to form an intermittent matching structure. At this time, the inner wall of the cavity is provided with protrusions distributed at intervals, and the positions of the protrusions correspond to the positions of the grooves. Each protrusion is embedded in a groove and connected therewith. The intermittent matching structure can not only realize the axial positioning of the pin shaft 1, but also realize the circumferential positioning of the pin shaft 1, thereby helping to improve the matching effect of the first matching part 11 and the second matching part 22 and the connection reliability of the pin shaft 1 and the shell 2. In addition, the intermittent groove can be one layer, two layers or multiple layers. The more the number of layers of the groove is, the stronger the connection reliability of the pin shaft 1 and the shell 2 is, but correspondingly, the processing difficulty of the pin shaft 1 is also greater.

[0042] In some embodiments, the first matching part 11 or the second matching part 22 is provided with knurls. Knurls are linear, diamond or protruding ridge line patterns formed on a workpiece by a knurling tool, which applies pressure to the surface of the workpiece to cause plastic deformation of the surface of the workpiece, thereby forming the desired texture. The knurls are formed on the outer circumferential surface of the pin shaft 1 or the inner wall of the cavity, which can significantly increase the friction between the outer circumferential surface of the pin shaft 1 and the inner wall of the cavity, prevent relative movement between the pin shaft 1 and the shell 2, and thus realize the fixed connection between the pin shaft 1 and the shell 2. In this embodiment, knurls can be formed on the outer circumferential surface of the pin shaft 1, and the inner wall of the cavity can be provided with a rough surface to increase the friction. Alternatively, knurls can be formed on the outer circumferential surface of the pin shaft 1 and the inner wall of the cavity. The specific arrangement can be determined according to actual needs, which is not limited in this embodiment.

[0043] In some embodiments, the first fitting part 11 and the second fitting part 22 are limiting blocks, respectively, and the limiting blocks on the outer circumferential surface of the pin shaft 1 and the limiting blocks on the inner wall of the cavity are staggered to embed the pin shaft 1 in the cavity, and the pin shaft 1 is screwed to make the limiting blocks on the outer circumferential surface of the pin shaft 1 and the limiting blocks on the inner wall of the cavity abut each other to achieve limiting, thereby achieving the fixed connection of the pin shaft 1 and the shell 2.

[0044] In some embodiments, the first fitting part 11 and the second fitting part 22 are threads, respectively, and the fixed connection of the pin shaft 1 and the shell 2 is achieved through threaded connection.

[0045] Please continue to refer to Figure 1 In some optional embodiments, the positioning part 21 includes a top wall 211 and a side wall 222, the top wall 211 is located on the side away from the pin shaft 1, and the side wall 222 is arranged around the circumferential side of the top wall 211, and the top wall 211 and the side wall 222 are arc-shaped transitionally connected, so that the top of the positioning part 21 has no sharp corner part, thereby avoiding damage to the conductive row during the process of inserting the positioning part 21 into the conductive row, and helping to protect the safe use of the conductive row.

[0046] Further, in the embodiment, the positioning part 21 can be provided in a cylindrical structure, and the side wall 222 is an arc surface, and correspondingly, the insertion hole for inserting the positioning part 21 on the conductive row is a circular hole, so that the contact between the side wall 222 and the conductive row is a curved surface contact, which helps to disperse stress and further avoid damage to the conductive row, thereby protecting the safe use of the conductive row.

[0047] Please continue to refer to Figure 1 In some optional embodiments, the shell 2 is further provided with a creepage enhancement part 23, the creepage enhancement part 23 is arranged on the outer wall of the shell 2 and extends in the direction away from the cavity, and the radial dimension of the creepage enhancement part 23 along the pin shaft 1 determines the length of the creepage distance, which refers to the shortest path between two conductive parts or between the conductive part and the equipment protection interface measured along the insulating surface, as shown by L in Figure 3 The creepage distance plays an important role in ensuring the insulation performance and safety of the insulating positioning pin 10, the conductive row and the mounting seat. If the creepage distance is too short, the shell 2 of the insulating positioning pin 10 may be locally discharged and broken down under the action of the electric field, thereby causing short circuit of the conductive row or other safety accidents. Therefore, in actual application, the creepage distance needs to be reasonably determined and verified for effectiveness through experiments and tests.

[0048] The length of the creepage distance is set according to the voltage or current level transmitted by the conductive row, and the higher the voltage or current level transmitted by the conductive row, the longer the creepage distance should be set, and the lower the voltage or current level transmitted by the conductive row, the shorter the creepage distance can be set. In addition, different insulating materials have different dielectric constants, breakdown strengths and heat resistance, and when setting the creepage distance, the appropriate distance value can be determined according to the characteristics of the insulating material, for example, the insulating material using high dielectric constant material (such as ceramic, mica) can appropriately reduce the creepage distance, and the insulating material using low dielectric constant material (such as plastic, rubber) needs to increase the creepage distance to ensure the insulation performance. In addition, in actual application, the diameter or number of the flange part matched with the creepage distance can be reasonably set according to the needs of the creepage distance.

[0049] Please continue to refer to Figure 1 In some optional embodiments, the creepage enhancement part 23 is arranged in a direction around the shaft axis 1 to form a ring structure, and the creepage enhancement part 23 of the ring structure makes the entire circumference of the shell 2 have a creepage distance, which is more helpful to avoid local discharge and breakdown of the shell 2 under the action of an electric field, thereby protecting the safe use of the insulating positioning pin 10.

[0050] In addition, the shell 2 in the embodiment of the application can be an integral part formed by injection molding, and the creepage enhancement part 23, the positioning part 21 and the cavity and the like are directly formed by one-time processing.

[0051] Please continue to refer to Figure 1 In some optional embodiments, the end of the shaft 1 away from the cavity is provided with a chamfer 12, and the chamfer 12 can be any angle of 30°-60°, such as 30°, 45° or 60°, and the setting of the chamfer 12 is more helpful to the smooth insertion of the shaft 1 into the mounting seat, and realizes the fixed connection of the shaft 1 and the mounting seat.

[0052] Figure 3 is a schematic view of the connection of the insulating positioning pin 10 with the mounting seat 20 and the conductive row 30 in the embodiment of the application, please refer to Figure 3 The embodiment of the application also provides a kind of electric equipment, including mounting seat 20, conductive row 30 and any one of the preceding embodiments of insulating positioning pin 10;Shaft 1 is connected with mounting seat 20, thereby realizing the installation and fixation of insulating positioning pin 10 on mounting seat 20, positioning part 21 is connected with conductive row 30, thereby realizing the pre-positioning of conductive row 30.The connection reliability between insulating positioning pin 10 and mounting seat 20 is high, which provides guarantee for the positioning effect of conductive row 30, and helps to improve the use reliability of electric equipment.

[0053] Please continue to refer to Figure 3In some optional embodiments, the mounting seat 20 is provided with a first insertion hole 201, and the pin shaft 1 is in interference fit with the first insertion hole 201; the conductive row 30 is provided with a second insertion hole 301, and the positioning part 21 is in clearance fit with the second insertion hole 301.

[0054] In the embodiment, the mounting seat 20 is provided with a first insertion hole 201, the pin shaft 1 is inserted into the first insertion hole 201 and in interference fit with the first insertion hole 201, the conductive row 30 is provided with a second insertion hole 301, and the positioning part 21 is inserted into the second insertion hole 301 and in clearance fit with the second insertion hole 301. The first insertion hole 201 and the second insertion hole 301 can be the same or different in shape or size, which is set according to actual needs. In the embodiment, the first insertion hole 201 and the second insertion hole 301 are both circular holes, so as to facilitate the insertion of the pin shaft 1 and the positioning part 21. In order to avoid the second insertion hole 301 having a great influence on the conductivity of the conductive row 30, the diameter of the second insertion hole 301 is set to 1mm-4mm. If the width of the conductive row 30 is greater, the diameter of the second insertion hole 301 can be set to be closer to 4mm, for example, the diameter of the second insertion hole 301 is set to 3mm. If the width of the conductive row 30 is smaller, the diameter of the second insertion hole 301 can be set to be closer to 1mm, for example, the diameter of the second insertion hole 301 is set to 2mm. The specific setting is according to actual needs.

[0055] The electric equipment in the application includes but is not limited to motor controllers, power battery packs, transformers, power distribution equipment, etc. The motor controller is a power conversion device that converts direct current into alternating current and drives the motor to run. It can control the speed, torque and running state of the motor to ensure that the motor can run according to the predetermined requirements. The power battery pack is an indispensable part of electric vehicles, which provides power source for electric vehicles, has high energy and high power, and makes electric vehicles obtain stable and sufficient power supply under various working conditions. The electric equipment adopts the insulating positioning pin 10 of the foregoing embodiments, which has simple structure and simple assembly. The positioning part 21 and the pin shaft 1 can be designed flexibly according to different application scenarios, thereby helping to reduce the application cost of the entire electric equipment and improve the flexibility of the arrangement of the conductive row 30 in the electric equipment.

[0056] The embodiment of the application also provides a vehicle, which includes the insulating positioning pin of any one of the foregoing embodiments or the motor controller, which helps to control the manufacturing cost of the vehicle and improve the safety performance of the vehicle.

[0057] Finally, it needs to be explained that in this text, relational terms such as first and second and the like can only be used to distinguish one entity or action from another entity or action, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without more limitations, an element defined by an "comprising" statement serves as a means plus function alternative.

[0058] The above description is merely preferred embodiments of the present application, and is not intended to limit the present application. Any modification, equivalent replacement, improvement, and the like made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. An insulating dowel pin characterized by, The pin shaft and the shell are included; The shell is provided with a cavity, and part of the pin shaft is embedded in the cavity and fixedly connected with the shell; The pin shaft is a metal piece, and the side of the pin shaft away from the cavity is used for connecting with the mounting base; The shell is an insulating piece, and the side of the shell away from the pin shaft is provided with a positioning part used for connecting with the conductive bar.

2. The insulated dowel pin of claim 1, wherein, The pin shaft has an outer circumferential surface arranged around the axial direction, and the outer circumferential surface is provided with a first matching part, and the inner wall of the cavity is provided with a second matching part, and the first matching part and the second matching part are matched and connected to fix the pin shaft and the shell.

3. The insulated dowel pin of claim 2, wherein, Part of the first matching part or the second matching part is a groove, a protrusion or a knurl.

4. The insulated dowel pin of claim 3, wherein, Part of the first matching part or the second matching part is a groove; The groove is arranged circumferentially around the pin shaft to form a ring structure; or the groove is at least two, and at least two grooves are arranged at intervals along the circumferential direction of the pin shaft.

5. The insulated dowel pin of claim 1, wherein, The positioning part includes a top wall and a side wall, and the top wall is located on the side away from the pin shaft, and the side wall is arranged around the side of the top wall; The top wall and the side wall are arc-shaped transitionally connected.

6. An insulating dowel pin according to any one of claims 1 to 5, characterized in that The shell is also provided with a creepage enhancement part, which is arranged on the outer wall of the shell and extends in the direction away from the cavity.

7. The insulated dowel pin of claim 6, wherein, The creepage enhancement part is arranged in the direction around the axial direction of the pin shaft to form a ring structure.

8. An electric device, characterized by The mounting base, the conductive bar and the insulating positioning pin of any one of claims 1 to 7 are included; The pin shaft is connected with the mounting base, and the positioning part is connected with the conductive bar.

9. The powered device of claim 8, wherein, The mounting base is provided with a first insertion hole, and the pin shaft is in interference fit with the first insertion hole; the conductive bar is provided with a second insertion hole, and the positioning part is in clearance fit with the second insertion hole.

10. A vehicle characterized by comprising: The vehicle includes the insulating positioning pin of any one of claims 1 to 7 or the electric equipment of claims 8 to 9.

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