Connectors

Abstract

The present invention provides a connector, which relates to the technical field of connectors. The connector includes a sleeve, a plug housing, an adapter plate, a pin, and a cable, wherein the pin is fixed inside the plug housing, the cable and the adapter plate are arranged inside the sleeve, one end of the adapter plate is connected to the cable, and the other end of the adapter plate has a connecting plane, and the pin abuts against the connecting plane. When the connector of the present invention wants to adjust the cable outlet direction after the cable is installed, there is no need to reinstall the cable, which simplifies the process of adjusting the cable outlet direction and improves the efficiency of adjusting the cable outlet direction of the connector.

Description

Technical Field

[0001] The present application relates to the technical field of connectors, and in particular to a connector. Background Art

[0002] In power or signal transmission design, due to the limitations of the application environment, it is often necessary to use a curved connector to connect the power interface to the cable, thereby achieving current transmission or signal control.

[0003] Existing angled connectors typically consist of a sleeve, a plug housing, a pin, and a connecting nut. The cable is inserted into the sleeve and connected to the pin, which is fixed to the housing. The sleeve is then rotated to adjust the direction of the cable outlet. The connecting nut secures the plug housing and pin together, and a pressure plate is used to press the end of the cable, away from the plug housing, against the inner wall of the sleeve, completing the cable installation.

[0004] However, after the cable is installed, the direction of the cable outlet is fixed. If you try to adjust the cable direction by turning the sleeve, there is a risk of the cable breaking or the connection between the cable and the pin breaking. This means that if you want to adjust the cable outlet direction after installation, you need to disconnect the cable from the pin and reassemble the cable, which makes it inconvenient to adjust the cable outlet direction of the connector. Summary of the Invention

[0005] In view of this, the present application provides a connector to solve the problem that the existing bent connector outlet is inconvenient to adjust.

[0006] The present application provides a connector, which includes a sleeve, a plug housing, an adapter, a pin and a cable, wherein the pin is fixed inside the plug housing, the cable and the adapter are arranged inside the sleeve, one end of the adapter is connected to the cable, and the other end of the adapter has a connecting plane, and the pin abuts against the connecting plane.

[0007] Preferably, the connection plane includes a center line, the center line is an arc line, and the center of the circle where the center line lies is located on the axis of the plug housing.

[0008] Preferably, the connector includes a plurality of pins and a plurality of adapter plates, the plurality of adapter plates are all connected to the cable, the plurality of adapter plates correspond one-to-one to the plurality of pins, the adapter plates abut against the corresponding pins, and the center of the circle on which the center line included in the connection plane of any of the adapter plates lies is located on the axis of the plug housing.

[0009] Preferably, the multiple adapter plates are divided into two groups, and the center lines included in the connecting planes of the adapter plates in each group are located on the same circle, wherein the distance between the center lines included in the connecting planes of the adapter plates in one group and the axis of the plug housing is greater than the distance between the center lines included in the connecting planes of the adapter plates in the other group and the axis of the plug housing.

[0010] Preferably, the connector further comprises an insulating plate, the insulating plate is fixed inside the sleeve, the insulating plate is provided with a placement groove, and the adapter piece is embedded in the placement groove.

[0011] Preferably, the adapter plate includes an adapter body, a connecting portion and a fixing portion, the two ends of the adapter body are respectively connected to the connecting portion and the fixing portion, the maximum dimension of the connecting portion in the axial direction of the plug housing is larger than the dimension of the adapter body in the axial direction of the plug housing, and the maximum dimension of the fixing portion in the axial direction of the plug housing is larger than the dimension of the adapter body in the axial direction of the plug housing.

[0012] Preferably, the plane determined by the head end of the seating groove and the axis of the plug housing is the first connecting plane, the plane determined by the tail end of the seating groove and the axis of the plug housing is the second connecting plane, the angle between the first connecting plane and the second connecting plane is 120 degrees, and in two adjacent seating grooves, the angle between the second connecting plane of one seating groove and the first connecting plane of the other seating groove is 30 degrees.

[0013] Preferably, the insertion pin includes a main body portion and an elastic portion connected to each other, the elastic portion abuts against the connection plane, and the elastic portion can undergo elastic deformation.

[0014] Preferably, the inner side wall of the sleeve is provided with a limiting groove and a recessed groove, the limiting groove and the seating groove are both recessed from the inner side wall of the sleeve toward the interior of the sleeve, the recessed depth of the recess is greater than the recessed depth of the limiting groove, a portion of the insulating plate is disposed in the limiting groove, and the recessed groove and the insulating plate enclose a sliding channel;

[0015] A protrusion is provided on one end of the plug housing facing the sleeve. The protrusion is provided in the sliding channel and can slide in the sliding channel.

[0016] Preferably, the groove includes a first end surface and a second end surface that are opposite to each other in the circumferential direction of the sleeve, and the angle between the first end surface and the second end surface is a first angle;

[0017] The plane where the first end of the protrusion in the circumferential direction of the sleeve and the axis of the plug housing are located is a first plane, the plane where the second end of the protrusion in the circumferential direction of the sleeve and the axis of the plug housing are located is a second plane, the angle between the first plane and the second plane is a second angle, and the difference between the first angle and the second angle is 90 degrees.

[0018] During the use of the connector of the present application, when installing the connector, the pin abuts against the connecting plane of the adapter plate, so that the cable is connected to the pin through the adapter plate, and then the sleeve is fixed to the plug housing to complete the assembly of the connector. When it is necessary to adjust the outlet mode, the sleeve can be separated from the plug housing, and then the sleeve can be rotated to adjust the outlet direction of the cable. During the rotation of the sleeve, the adapter plate rotates accordingly. After adjusting the outlet direction, the sleeve is fixed to the plug housing, and the pin abuts against different positions of the connecting plane, so that the cable remains connected to the pin through the adapter plate. In this way, when the connector of the present application wants to adjust the outlet direction of the cable after the cable is installed, there is no need to reinstall the cable, which simplifies the process of adjusting the outlet direction of the cable and improves the efficiency of adjusting the outlet direction of the connector cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work.

[0020] Figure 1 A schematic diagram showing the three-dimensional structure of a connector according to an embodiment of the present invention;

[0021] Figure 2 A schematic diagram showing the planar structure of a connector according to an embodiment of the present invention;

[0022] Figure 3 Show Figure 2 A cross-sectional view of the connector obtained by cutting along A-A';

[0023] Figure 4 Showing a schematic structural diagram of the sleeve;

[0024] Figure 5 A schematic structural diagram showing a perspective of the adapter;

[0025] Figure 6 A schematic structural diagram showing another perspective of the adapter;

[0026] Figure 7 A schematic structural diagram showing a plurality of adapters;

[0027] Figure 8 A schematic diagram showing the three-dimensional structure of the insulation board;

[0028] Figure 9 A schematic diagram of the planar structure of the insulating plate is shown;

[0029] Figure 10 A diagram showing the relative positions of the insulating plate and the adapter plate;

[0030] Figure 11 Shows a schematic structural diagram of the plug housing;

[0031] Figure 12 A schematic diagram showing the structure of the pins is shown.

[0032] Icons: 1-plug shell; 11-shell body; 12-first meshing tooth; 13-protrusion; 21-first connecting nut; 22-second connecting nut; 23-corrugated spring; 24-first pressure plate; 25-rubber ring; 3-insulator; 4-pin; 41-main body; 42-elastic part; 5-sleeve; 51-sleeve body; 511-limiting groove; 512-groove; 52-second meshing tooth; 6-insulating plate; 61-insulating body; 611-receiving groove; 62-installing part; 7-adapter; 71-adapter body; 72-connecting part; 73-fixing part; 74-connecting plane; 81-circuit spring; 82-second pressure plate; 83-adapter cylinder; 84-pressure ring; 85-sealing ring; 86-pressure nut; 87-O-ring; 9-cable. DETAILED DESCRIPTION

[0033] The following detailed description is provided to help the reader gain a comprehensive understanding of the methods, devices, and / or systems described herein. However, various changes, modifications, and equivalents of the methods, devices, and / or systems described herein will be apparent upon understanding the disclosure of this application. For example, the order of operations described herein is merely illustrative and is not limited to the order set forth herein. Rather, except for operations that must occur in a particular order, changes may be made that will be apparent upon understanding the disclosure of this application. Furthermore, descriptions of features known in the art may be omitted for clarity and brevity.

[0034] The features described herein may be implemented in different forms and should not be construed as being limited to the examples described herein. Rather, the examples described herein have been provided merely to illustrate some of the many possible ways to implement the methods, devices, and / or systems described herein that will be apparent upon understanding the disclosure of this application.

[0035] Throughout the specification, when an element (such as a layer, region, or substrate) is described as being “on,” “connected to,” “coupled to,” “over,” or “overlaying” another element, it may be directly “on,” “connected to,” “coupled to,” “over,” or “overlaying” another element, or one or more other elements may be present between them. In contrast, when an element is described as being “directly on,” “directly connected to,” “directly coupled to,” “directly over,” or “directly covering” another element, there may be no other elements intervening therebetween.

[0036] As used herein, the term "and / or" includes any one of the associated listed items and any combination of any two or more items.

[0037] Although terms such as "first," "second," and "third" may be used herein to describe various members, components, regions, layers, or portions, these members, components, regions, layers, or portions are not limited by these terms. Rather, these terms are used only to distinguish one member, component, region, layer, or portion from another member, component, region, layer, or portion. Thus, a first member, component, region, layer, or portion in the examples described herein may also be referred to as a second member, component, region, layer, or portion without departing from the teachings of the examples.

[0038] For ease of description, spatial relational terms such as "above," "upper," "below," and "lower" may be used herein to describe the relationship of one element to another element as shown in the accompanying drawings. Such spatial relational terms are intended to encompass different orientations of the device in use or operation in addition to the orientations depicted in the accompanying drawings. For example, if the device in the accompanying drawings is turned over, an element described as being "above" or "upper" relative to another element would subsequently be "below" or "lower" relative to the other element. Thus, the term "above" includes both the orientations "above" and "below," depending on the spatial orientation of the device. The device may also be positioned in other ways (e.g., rotated 90 degrees or in other orientations), and the spatial relational terms used herein will be interpreted accordingly.

[0039] The terms used herein are intended only to describe various examples and are not intended to limit the present disclosure. Unless the context clearly indicates otherwise, the singular is intended to include the plural. The terms "comprise," "include," and "have" list the presence of stated features, quantities, operations, components, elements, and / or combinations thereof, but do not preclude the presence or addition of one or more other features, quantities, operations, components, elements, and / or combinations thereof.

[0040] Due to manufacturing techniques and / or tolerances, variations in the shapes shown in the drawings may occur. Therefore, the examples described herein are not limited to the specific shapes shown in the drawings but include changes in shapes that occur during manufacturing.

[0041] The features of the examples described herein can be combined in various ways that will be apparent after understanding the disclosure of the present application. In addition, although the examples described herein have various configurations, other configurations are possible as will be apparent after understanding the disclosure of the present application.

[0042] The present application provides a connector, such as Figures 1 to 12 As shown, the connector includes a sleeve 5, a plug housing 1, an adapter plate 7, a pin 4 and a cable 9. The pin 4 is fixed inside the plug housing 1, and the cable 9 and the adapter plate 7 are arranged inside the sleeve 5. One end of the adapter plate 7 is connected to the cable 9, and the other end of the adapter plate 7 has a connecting plane 74, and the pin 4 abuts against the connecting plane 74.

[0043] During the use of the connector of the present application, when installing the connector, the pin 4 abuts against the connecting plane 74 of the adapter plate 7, so that the cable 9 is connected to the pin 4 through the adapter plate 7, and then the sleeve 5 is fixed to the plug housing 1, thereby completing the assembly of the connector. When it is necessary to adjust the outlet mode, the sleeve 5 can be separated from the plug housing 1, and then the sleeve 5 is rotated to adjust the outlet direction of the cable 9. During the rotation of the sleeve 5, the adapter plate rotates accordingly. After adjusting the outlet direction, the sleeve 5 is fixed to the plug housing 1, and the pin abuts against different positions of the connecting plane 74, so that the cable 9 remains connected to the pin 4 through the adapter plate 7. In this way, when the connector of the present application wants to adjust the outlet direction of the cable 9 after the cable 9 is installed, there is no need to reinstall the cable 9, which simplifies the process of adjusting the outlet direction of the cable 9 and improves the efficiency of adjusting the outlet direction of the connector cable 9.

[0044] In the embodiments of the present application, Figure 4As shown, the sleeve 5 includes a sleeve body 51 and second meshing teeth 52. The sleeve body 51 is curved, and the second meshing teeth 52 are disposed at the end of the sleeve body 51 facing the plug housing 1. The second meshing teeth 52 are arranged along the circumference of the plug housing 1 and are configured to engage with the first meshing teeth 12 of the plug housing 1, described below. A limiting groove 511 is defined on the inner sidewall of the sleeve 5. The limiting groove 511 extends along the circumference of the sleeve body 51, with the leading end and trailing end of the limiting groove 511 spaced apart. At least a portion of the insulating plate 6, described below, is disposed within the limiting groove 511, thereby securing the insulating plate 6 to the sleeve body 51.

[0045] Further, if Figure 4 As shown, the sleeve 5 further includes a groove 512, which extends from the inner sidewall of the sleeve 5 into the interior of the sleeve 5. The depth of the groove 512 is greater than the depth of the retaining groove 511. The circumferential position of the groove 512 on the sleeve 5 coincides with the circumferential position of the retaining groove 511 on the sleeve 5. When the sleeve 5 is connected to the plug housing 1, the groove 512 and the insulating plate 6 define a sliding channel, into which the protrusion 13 of the plug housing 1 can extend.

[0046] In the embodiments of the present application, Figure 11 As shown, the plug housing 1 includes a housing body 11, first meshing teeth 12, and a protrusion 13. The protrusion 13 is located at the end of the housing body 11 facing the sleeve 5. The first meshing teeth 12 are provided at all ends of the housing body 11 except for the location where the protrusion 13 is provided. When the plug housing 1 is connected to the sleeve 5, the first meshing teeth 12 engage with the second meshing teeth 52, and the protrusion 13 extends into the sliding channel defined by the groove 512 and the insulating plate 6.

[0047] like Figure 5 and Figure 6 As shown, the connecting plane 74 includes a centerline. The intersection of the axis of the plug housing and the plane on which the connecting plane 74 lies is defined as the center of the circle. The curve formed by the midpoint of the intersection of the straight line passing through the center of the circle and the connecting plane 74 is the centerline of the connecting plane 74. The centerline is an arc, and the center of the circle on which the centerline lies lies on the axis of the plug housing 1. That is, the connecting plane 74 extends along the circumferential direction of the plug housing 1, thereby ensuring that the pin 4 can always contact the adapter plate 7 during the rotation of the sleeve 5.

[0048] Furthermore, the adapter sheet 7 includes an adapter body 71, a connecting portion 72, and a fixing portion 73. The plane of the adapter body 71 facing the plug housing 1, the plane of the connecting portion 72 facing the plug housing 1, and the plane of the fixing portion 73 facing the plug housing 1 form a connecting plane 74. The two ends of the adapter body 71 are connected to the connecting portion 72 and the fixing portion 73, respectively. The adapter body 71 is sheet-shaped and has a uniform thickness. The connecting portion 72 and the fixing portion 73 are both cylindrical. The maximum dimension of the connecting portion 72 along the axis of the plug housing 1 is larger than the dimension of the adapter body 71 along the axis of the plug housing 1, and the maximum dimension of the fixing portion 73 along the axis of the plug housing 1 is larger than the dimension of the adapter body 71 along the axis of the plug housing 1. In other words, the diameter of the connecting portion 72 is larger than the thickness of the adapter body 71, and the diameter of the fixing portion 73 is larger than the thickness of the adapter body 71. In this way, by providing the connecting portion 72 and the fixing portion 73 , it is possible to prevent the adapter plate 7 from sliding in the placement groove 611 described below, thereby ensuring the stability of the fixing of the adapter plate 7 .

[0049] In addition, at least a portion of the connecting portion 72 protrudes relative to the adapter body 71 toward the side facing away from the pin 4 , and the connecting portion 72 is connected to the cable 9 , thereby achieving the connection between the adapter plate 7 and the cable 9 .

[0050] In the embodiments of the present application, Figure 8 and Figure 9 As shown, the connector includes an insulating plate 6, which includes an insulating body 61 and a mounting portion 62. The mounting portion 62 protrudes from the outer sidewall of the insulating body 61 toward the outside of the insulating body 61. The mounting portion 62 extends along the circumference of the insulating body 61, with the leading end and the trailing end of the mounting portion 62 spaced apart. The mounting portion 62 is fixed in the retaining groove 511, thereby securing the insulating plate 6 in the sleeve 5.

[0051] Furthermore, a placement groove 611 is provided on the insulating plate 6 , and the shape of the placement groove 611 is adapted to the shape of the adapter plate 7 . The adapter plate is arranged in the placement groove 611 , thereby achieving fixation of the adapter plate.

[0052] Furthermore, the two circumferential end surfaces of the groove 512 are defined as the first end surface and the second end surface, and the angle between the first end surface and the second end surface is the first angle. The plane where the first end of the protrusion 13 on the circumferential direction of the sleeve 5 and the axis of the plug housing 1 lie is the first plane, and the plane where the second end of the protrusion 13 on the circumferential direction of the sleeve 5 and the axis of the plug housing 1 lie is the second plane. The angle between the first plane and the second plane is the second angle, and the difference between the first angle and the second angle is 90 degrees. Thus, when the protrusion 13 is positioned within the groove 512, the sleeve can rotate relative to the plug housing 1 by an angle of 90 degrees or less.

[0053] Optionally, the first angle is 120 degrees and the second angle is 30 degrees. The first angle may also be greater than 120 degrees, in which case the second angle is greater than 30 degrees.

[0054] like Figure 7 and Figure 10 As shown, the connector includes multiple pins 4 and multiple adapter plates 7. Each of the adapter plates 7 is connected to a cable 9. The adapter plates 7 correspond one-to-one with the multiple pins 4. The adapter plates 7 abut the corresponding pins 4. The center of the circle containing the center line of the connection plane 74 of each adapter plate 7 is located on the axis of the plug housing 1. The cable 9 can include multiple wires, each of which is connected to a different adapter plate 7.

[0055] Furthermore, the plurality of adapter plates 7 are divided into two groups. The centerlines of the connection planes 74 of the adapter plates 7 in each group lie on the same circle. The distance between the centerline of the connection planes 74 of the adapter plates 7 in one group and the axis of the plug housing 1 is greater than the distance between the centerline of the connection planes 74 of the adapter plates 7 in the other group and the axis of the plug housing 1. The number of adapter plates 7 is the same as the number of pins 4. The pins 4 correspond one-to-one to the adapter plates 7, and the pins 4 are connected to the corresponding adapter plates 7.

[0056] Furthermore, the number of seating slots 611 is the same as the number of pins 4. The plane defined by the leading end of each seating slot 611 and the axis of the plug housing 1 is the first connecting plane 74, while the plane defined by the trailing end of each seating slot 611 and the axis of the plug housing 1 is the second connecting plane 74. The angle between the first connecting plane 74 and the second connecting plane 74 is 90 degrees. For two adjacent seating slots 611, the angle between the second connecting plane 74 of one seating slot 611 and the first connecting plane 74 of the other seating slot 611 is 30 degrees. This ensures that when the sleeve 5 is rotated to an angle of less than or equal to 90 degrees, the adapter plate 7 disposed within the seating slot 611 always abuts the pin 4.

[0057] like Figure 12 As shown, the pin 4 includes a main body portion 41 and an elastic portion 42 connected to each other. The main body portion 41 has the same structure as a conventional pin. The elastic portion 42 abuts against the connecting plane 74. The elastic portion 42 can undergo elastic deformation, thereby achieving abutment between the pin 4 and the adapter plate 7.

[0058] In the embodiments of the present application, Figure 2 and Figure 3As shown, the connector includes an insulator 3 and a first pressure plate 24, both of which are arranged inside the plug housing 1, and a retaining spring 81 is provided between the first pressure plate 24 and the inner side wall of the plug housing 1. The first pressure plate 24 is located on the side of the insulator 3 facing the sleeve, and the connector includes an installation hole passing through the insulator 3 and the first pressure plate 24, the pin 4 is arranged in the installation hole, and part of the pin 4 protrudes relative to the insulator 3.

[0059] The connector further includes a first connecting nut 21 and a second connecting nut 22. The first connecting nut 21 is sleeved on the outside of the plug housing 1, and the second connecting nut 22 is disposed on the outside of the sleeve 5. The second nut can engage with threads provided on the rear end of the plug housing 1 to secure the plug housing 1 to the sleeve 5. A retaining spring 81 and a corrugated spring 23 are disposed between the first connecting nut 21 and the sleeve 5, and a retaining spring 81 and a rubber ring 25 are also disposed between the second connecting nut 22 and the plug housing 1.

[0060] like Figure 3 As shown, the connector also includes a second pressure plate 82, which is connected to the end of the sleeve 5 facing away from the plug housing 1 by a screw. When the cable 9 is inserted into the connector, the screw can be tightened to clamp the cable 9 between the second pressure plate 82 and the inner wall of the sleeve 5.

[0061] Furthermore, the connector includes an adapter tube 83, the first part of which is sleeved on the end of the sleeve 5 away from the plug housing 1, so that the second pressure plate 82 is located in the adapter, and the second part of the adapter tube 83 extends relative to the sleeve 5, and an O-ring 87 is arranged between the adapter tube 83 and the sleeve 5.

[0062] The connector also includes a compression ring 84, which is positioned over the exterior of the cable 9. Part of the compression ring 84 is positioned within the second portion of the adapter tube 83, while the remaining portion extends beyond the second portion of the adapter tube. An O-ring 87 is also positioned between the compression ring 84 and the second portion of the second sleeve 5. A sealing ring 85 can be positioned between the compression ring 84 and the cable 9 to ensure stable securing of the cable 9.

[0063] like Figure 3 As shown, the connector further includes a compression nut 86 , a portion of which is sleeved on the outside of the adapter tube 83 , and another portion of which is sleeved on the outside of the compression ring 84 .

[0064] The connector assembly process in this application is as follows:

[0065] 1. Insert the cable 9 into the plug housing 1 and connect the connecting portion 72 of the adapter 7 to the cable 9;

[0066] 2. Adjust the cable outlet of the cable 9 by rotating the direction of the sleeve 5. After the adjustment is completed, align the first meshing teeth 12 and the second meshing teeth 52 to fix the cable outlet of the cable 9. Then, rotate the second connecting nut until the sleeve 5 is fixed to the plug housing 1.

[0067] 3. Adjust the second pressing plate 82 to clamp the cable 9;

[0068] 4. Install the compression nut 86, sealing ring 85 and compression ring 84 to clamp the cable 9 to achieve sealing;

[0069] Through the above steps, the installation of the cable 9 can be completed. After the installation of the cable 9 is completed, the steps for adjusting the outlet are as follows:

[0070] 1. Rotate the second connecting nut in the opposite direction to separate the first meshing teeth 12 from the second meshing teeth 52;

[0071] 2. Rotate sleeve 5, driving insulating plate 6 and adapter plate 7 to rotate. Sleeve 5 can rotate to an angle less than or equal to 90 degrees. During the rotation of adapter plate 7, pin 4 slides along connection plane 74, thereby ensuring that cable 9 is connected to pin 4 through adapter plate 7.

[0072] 3. After the outgoing line direction is adjusted to the correct position, rotate the second connecting nut in the forward direction to fix the sleeve 5 to the plug housing 1.

[0073] When the connector of the present application wants to adjust the outlet direction of the cable 9 after the cable 9 is installed, there is no need to reinstall the cable 9, which simplifies the process of adjusting the outlet direction of the cable 9 and improves the efficiency of adjusting the outlet direction of the connector cable 9.

[0074] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A connector, characterized in that: The connector includes a sleeve, a plug housing, an adapter, a pin, and a cable, wherein the pin is fixed inside the plug housing, the cable and the adapter are arranged inside the sleeve, one end of the adapter is connected to the cable, and the other end of the adapter has a connecting plane, and the pin abuts against the connecting plane; The connector further includes an insulating plate, the insulating plate being fixed inside the sleeve, the insulating plate being provided with a placement groove, and the adapter being embedded in the placement groove; The adapter piece includes an adapter body, a connecting portion, and a fixing portion, wherein both ends of the adapter body are connected to the connecting portion and the fixing portion respectively, wherein the maximum dimension of the connecting portion in the axial direction of the plug housing is larger than the dimension of the adapter body in the axial direction on the plug housing, and the maximum dimension of the fixing portion in the axial direction of the plug housing is larger than the dimension of the adapter body in the axial direction of the plug housing; At least a portion of the connecting portion protrudes relative to the adapter body toward a side facing away from the plug pin, and the connecting portion is connected to the cable.

2. The connector according to claim 1, wherein: The connecting plane includes a center line, which is an arc line, and the center of a circle where the center line is located is located on the axis of the plug housing.

3. The connector according to claim 2, wherein: The connector includes a plurality of pins and a plurality of adapter plates, the plurality of adapter plates are all connected to the cable, the plurality of adapter plates correspond one-to-one to the plurality of pins, the adapter plates abut against the corresponding pins, and the center of the circle on which the center line included in the connection plane of any of the adapter plates lies is located on the axis of the plug housing.

4. The connector according to claim 3, wherein: The multiple adapter plates are divided into two groups, and the center lines of the connecting planes of the adapter plates in each group are located on the same circle, wherein the distance between the center lines of the connecting planes of the adapter plates in one group and the axis of the plug housing is greater than the distance between the center lines of the connecting planes of the adapter plates in the other group and the axis of the plug housing.

5. The connector according to claim 1, wherein: The plane determined by the head end of the seating groove and the axis of the plug housing is the first connecting plane, and the plane determined by the tail end of the seating groove and the axis of the plug housing is the second connecting plane. The angle between the first connecting plane and the second connecting plane is 120 degrees. In two adjacent seating grooves, the angle between the second connecting plane of one seating groove and the first connecting plane of the other seating groove is 30 degrees.

6. The connector according to claim 1, wherein: The plug pin includes a main body portion and an elastic portion connected to each other, the elastic portion abuts against the connecting plane, and the elastic portion can undergo elastic deformation.

7. The connector according to claim 5, wherein: The inner side wall of the sleeve is provided with a limiting groove and a groove, the limiting groove and the placement groove are both recessed from the inner side wall of the sleeve toward the interior of the sleeve, the recessed depth of the recess is greater than the recessed depth of the limiting groove, a portion of the insulating plate is disposed in the limiting groove, and the recess and the insulating plate enclose a sliding channel; A protrusion is provided on one end of the plug housing facing the sleeve. The protrusion is provided in the sliding channel and can slide in the sliding channel.

8. The connector according to claim 7, wherein: The groove includes a first end surface and a second end surface opposite to each other in the circumferential direction of the sleeve, and the angle between the first end surface and the second end surface is a first angle; The plane where the first end of the protrusion in the circumferential direction of the sleeve and the axis of the plug housing are located is a first plane, the plane where the second end of the protrusion in the circumferential direction of the sleeve and the axis of the plug housing are located is a second plane, the angle between the first plane and the second plane is a second angle, and the difference between the first angle and the second angle is 90 degrees.

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