Connector

Abstract

The utility model relates to a connector. Comprising a housing; an insulator; the insulator is inserted into the shell, a first jack and a second jack are arranged on the insulator at an interval, and the aperture of the first jack is larger than that of the second jack; the first connecting piece is inserted into the first inserting hole; and the second connecting piece is inserted into the second inserting hole, and the outer diameter of the second connecting piece is smaller than that of the first connecting piece. As the outer diameter of the second connecting piece is smaller than that of the first connecting piece, large current can pass through the first connecting piece, small current can pass through the second connecting piece, various currents can pass through the connector, the functional diversity of the connector is improved, the connector can be suitable for various different working conditions, and the service life of the connector is prolonged. Therefore, the applicability of the connector to different working conditions is improved.

Description

Technical Field

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

[0002] Connectors connect two devices and serve as a bridge for signal transmission. Therefore, connectors are widely used in industries such as photovoltaics, power transmission and distribution, smart manufacturing, electric transportation, automotive, railways, and test and measurement. However, traditional connectors often have the disadvantage of being limited in functionality. Utility Model Content

[0003] One technical problem solved by this application is how to increase the diversity of connector functions.

[0004] A connector, comprising:

[0005] shell;

[0006] an insulator; inserted in the housing, the insulator having a first jack and a second jack spaced apart therefrom, the aperture of the first jack being larger than the aperture of the second jack;

[0007] A first connecting member is inserted into the first plug hole; and

[0008] The second connecting member is inserted into the second insertion hole, and the outer diameter of the second connecting member is smaller than the outer diameter of the first connecting member.

[0009] In one embodiment, the first connecting member includes a first connecting rod and a crown spring, the first connecting rod is provided with a first connecting hole, the crown spring cooperates with the first connecting hole, and the outer diameter of the crown spring first decreases and then increases from one end of the crown spring to the other end of the crown spring.

[0010] In one embodiment, the first connecting hole includes a first hole segment and a second hole segment that are interconnected, the aperture of the first hole segment is larger than the aperture of the second hole segment, and the bottom wall of the first hole segment is arranged around the second hole segment and abuts against the crown spring.

[0011] In one embodiment, the first connecting member further includes a first protruding ring, which is radially protruding and arranged on the outer peripheral surface of the first connecting rod. The cross-sectional size of the first protruding ring decreases along the direction in which the first connecting rod is inserted into the first insertion hole.

[0012] In one embodiment, the first connecting member is provided with a first connecting hole, the second connecting member is provided with a second connecting hole, and the diameter of the first connecting hole is larger than the diameter of the second connecting hole.

[0013] In one embodiment, the second connecting member includes a second connecting rod and a second protruding ring, the second connecting hole is provided on the second connecting rod, the second protruding ring is provided on the outer peripheral surface of the second connecting rod in a radially protruding manner, and the cross-sectional size of the second protruding ring decreases along the direction in which the second connecting rod is inserted into the second insertion hole.

[0014] In one embodiment, a stopper is further included, and the cavity of the shell includes a first cavity and a second cavity that are interconnected, the aperture of the first cavity is larger than the aperture of the second cavity, the insulator is passed through the first cavity and the second cavity, and the stopper is fixed in the first cavity; along the axial direction of the connector, the insulator abuts between the bottom wall of the first cavity and the stopper.

[0015] In one embodiment, the insulator includes an insulating body and a limiting protrusion ring, the insulating body is inserted into the cavity of the shell, and the first jack and the second jack are arranged on the insulating body, and the limiting protrusion ring is arranged on the outer circumferential surface of the insulating body along the radial protrusion of the insulating body, and the limiting protrusion ring abuts between the bottom wall surface of the first cavity and the stop member.

[0016] In one embodiment, at least one of the following options is also included:

[0017] The stopper comprises a stop portion and a sleeve portion, wherein the sleeve portion protrudes along the axial direction of the stop portion and is provided on the stop portion, the outer diameter of the stop portion is larger than the outer diameter of the sleeve portion, the stop portion is interference-fitted with the first cavity and abuts against the insulator along the axial direction of the connector;

[0018] The first cavity includes an annular cavity arranged around the insulator, and a positioning groove is recessed on the inner wall surface of the annular cavity. The positioning groove extends along the axial direction of the shell and extends to an end of the annular cavity away from the second cavity;

[0019] A recessed groove is formed on the inner wall surface of the second cavity, and the recessed groove cooperates with the insulator.

[0020] In one embodiment, at least one of the following options is also included:

[0021] A plurality of saw teeth arranged along the circumference of the stop portion are provided on the outer peripheral surface of the stop portion;

[0022] The sleeve portion is provided with a plurality of grooves, the grooves penetrating the sleeve portion in a radial direction of the sleeve portion, the plurality of grooves being spaced apart along a circumferential direction of the sleeve portion, and the grooves extending along an axial direction of the sleeve portion and extending to opposite ends of the grooves;

[0023] It also includes a nut and a washer, wherein the nut is sleeved outside the shell and is threadedly connected to the shell, and the washer abuts between the nut and the shell along the axial direction of the shell;

[0024] The length of the first connecting member is greater than or equal to the length of the second connecting member. There are multiple second connecting members, and the length of some of the second connecting members is greater than the length of another part of the second connecting members.

[0025] A technical effect of an embodiment of the present application is: since the outer diameter of the second connecting member is smaller than the outer diameter of the first connecting member, a large current can pass through the first connecting member, while a small current can pass through the second connecting member, so that the connector can pass a variety of currents, thereby improving the diversity of the connector functions, making the connector applicable to a variety of different working conditions, thereby improving the applicability of the connector to different working conditions. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 A schematic diagram of the three-dimensional structure of a connector provided in one embodiment.

[0027] Figure 2 for Figure 1 A schematic diagram of the three-dimensional structure of the connector shown in another perspective.

[0028] Figure 3 for Figure 1 Schematic diagram of the three-dimensional cross-sectional structure of the connector shown.

[0029] Figure 4 for Figure 1 Schematic diagram of the three-dimensional structure of the housing in the connector shown.

[0030] Figure 5 for Figure 1 Schematic diagram of the exploded structure of the connector shown.

[0031] Figure 6 for Figure 5 Schematic diagram of the structure from another perspective.

[0032] Figure 7 for Figure 1 Schematic diagram of the exploded structure of the first connecting member in the connector shown.

[0033] Figure 8 for Figure 7 Schematic diagram of the three-dimensional cross-sectional structure.

[0034] Figure 9 for Figure 1 A schematic diagram of the three-dimensional structure of the second connecting member in the connector shown.

[0035] Figure 10 for Figure 1 A schematic diagram of the three-dimensional structure of the stopper in the connector is shown.

[0036] Figure numerals: connector 10, housing 100, first cavity 110, annular cavity 111, positioning groove 112, second cavity 120, recessed groove 121, insulator 200, insulating body 210, first plug hole 211, second plug hole 212, limiting protruding ring 220, protruding key 230, first connecting member 400, first connecting rod 410, first connecting hole 411, first hole section 4111, second hole section 4112, crown spring 420, first protruding ring 430, second connecting member 500, second connecting rod 510, second connecting hole 511, second protruding ring 520, stop member 600, stop portion 610, serration 611, sleeve portion 620, groove 621, nut 710, washer 720. DETAILED DESCRIPTION

[0037] To make the above-mentioned objects, features, and advantages of the present application more clearly understood, the specific embodiments of the present application are described in detail below with reference to the accompanying drawings. The following description sets forth many specific details to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways than those described herein, and those skilled in the art can make similar improvements without violating the scope of the present application. Therefore, the present application is not limited to the specific embodiments disclosed below.

[0038] In the description of this application, it should be understood that if the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. appear, the orientation or position relationship indicated by these terms is based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing this 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 this application.

[0039] In addition, if the terms "first" or "second" appear, these terms are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of technical features indicated. Therefore, a feature specified as "first" or "second" may explicitly or implicitly include at least one of such features. In the description of this application, if the term "plurality" appears, "plurality" means at least two, for example, two, three, etc., unless otherwise specifically defined.

[0040] In this application, unless otherwise specified or limited, the terms "mounted," "connected," "connected," "fixed," etc., should be interpreted broadly. For example, these terms may refer to fixed connections, removable connections, or integration; mechanical connections or electrical connections; direct connections or indirect connections through an intermediary; and internal communication between two components or interaction between two components, unless otherwise specified. Those skilled in the art will understand the specific meanings of these terms in this application based on the specific circumstances.

[0041] In this application, unless otherwise expressly specified or limited, if a first feature is described as being "above" or "below" a second feature, or similar descriptions, this may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Furthermore, when a first feature is described as being "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is described as being "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0042] It should be noted that if an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element. If an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element. If any, the terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used in this application are for illustrative purposes only and do not represent the only embodiment.

[0043] See Figure 1 、 Figure 2 and Figure 3 In one embodiment of the present application, a connector 10 is provided, which includes a housing 100, an insulator 200, a first connector 400, and a second connector 500. The insulator 200 is disposed on the housing 100, and the first connector 400 and the second connector 500 are disposed on the insulator 200. The connector 10 can be used as a female connector, allowing the connector 10 to be connected to a male connector.

[0044] See Figure 2 and Figure 4In some embodiments, the cavity of the housing 100 includes a first cavity 110 and a second cavity 120. The first cavity 110 and the second cavity 120 are interconnected and can be coaxially arranged. The aperture of the first cavity 110 is larger than the aperture of the second cavity 120. When the housing 100 exists independently, the ends of the first cavity 110 and the second cavity 120 are both connected to the outside world. The insulator 200 is disposed in the first cavity 110 and the second cavity 120. A recessed groove 121 is formed on the inner wall surface of the second cavity 120. The recessed groove 121 extends along the axial direction of the housing 100, such that the recessed groove 121 extends to opposite ends of the second cavity. The recessed groove 121 is used to cooperate with the insulator 200, thereby effectively limiting the insulator 200 along the circumference of the housing 100 and preventing the insulator 200 from rotating relative to the housing 100. When the insulator 200 is inserted into the first cavity 110, the middle portion of the first cavity 110 is filled with the insulator 200, while the edge portion of the first cavity 110 is not filled with the insulator 200. Therefore, the edge portion of the first cavity 110 forms an annular cavity 111 arranged around the insulator 200. That is, the first cavity 110 includes the annular cavity 111, and the inner wall surface of the first cavity 110 is actually the inner wall surface of the annular cavity 111. A positioning groove 112 is formed in the inner wall surface of the annular cavity 111. The positioning groove 112 extends along the axial direction of the housing 100 and can extend to the end of the first cavity 110 away from the second cavity 120. During the process of connecting the connector 10 and the male plug, the positioning groove 112 will cooperate with the male plug. On the one hand, the guiding effect of the positioning groove 112 can improve the assembly efficiency and accuracy of the male plug and the connector 10; on the other hand, the positioning groove 112 can limit the male plug and prevent it from rotating relative to the housing 100.

[0045] See Figure 1 、 Figure 2 and Figure 3 In some embodiments, the connector 10 may further include a nut 710 and a washer 720. The nut 710 is sleeved on the outer shell 100. The outer shell 100 has an external thread. The internal thread of the nut 710 engages with the external thread of the outer shell 100, thereby achieving a threaded connection between the nut 710 and the outer shell 100. Along the axial direction of the outer shell 100, the washer 720 abuts between the nut 710 and the outer shell 100.

[0046] See Figure 5 、 Figure 6 、 Figure 7 and Figure 8In some embodiments, the insulator 200 is provided with a first insertion hole 211 and a second insertion hole 212 at intervals. The aperture of the first insertion hole 211 is larger than the aperture of the second insertion hole 212. The number of first insertion holes 211 can be two, and the number of second insertion holes 212 can be six. The number of first connectors 400 is equal to and corresponds to the number of first insertion holes 211, and the number of second connectors 500 is equal to and corresponds to the number of second insertion holes 212. The aperture of the first insertion hole 211 is larger than the aperture of the second insertion hole 212. The outer diameter of the first connector 400 is larger than the outer diameter of the second connector 500. The first connector 400 is inserted into the first insertion hole 211, and the second connector 500 is inserted into the second insertion hole 212. The length of the first connector 400 is greater than or equal to the length of the second connector 500, with some of the second connectors 500 being longer than others. For example, if there are six second connectors 500, two of the second connectors 500 will be longer than the other four, while the two second connectors 500 of relatively greater length can be equal in length to the first connector 400. When the connector 10 is connected to a male connector, the first connector 400 can flow a high current, with a current intensity of approximately 20A, due to the relatively large outer diameter of the first connector 400. Since the second connector 500 has a relatively small outer diameter, the two connectors can flow a low current, with a current intensity of approximately 7A.

[0047] See Figure 7 and Figure 8In some embodiments, the first connector 400 includes a first connecting rod 410 and a crown spring 420. The first connecting rod 410 is provided with a first connecting hole 411 into which a male connector pin can be inserted. The crown spring 420 engages with the first connecting hole 411. The outer diameter of the crown spring 420 decreases and then increases from one end to the other. Due to the special structure of the crown spring 420, when a male connector pin is inserted into the first connecting hole 411, the crown spring 420 fits over the male connector pin, forming a tight fit between the crown spring 420 and the male connector pin. This effectively prevents high-temperature sparking when high current flows through the first connector 400, thereby improving the stability of the connector 10. The first connecting hole 411 includes a first hole section 4111 and a second hole section 4112. The first hole section 4111 and the second hole section 4112 are interconnected and can be coaxially arranged. The diameter of the first hole section 4111 is larger than that of the second hole section 4112, so the first connecting hole 4111 can be a stepped hole. The bottom wall of the first hole section 4111 surrounds the second hole section 4112, so that the bottom wall of the first hole section 4111 abuts the crown spring 420. Therefore, the bottom wall of the first hole section 4111 effectively limits the axial position of the crown spring 420, thereby improving the installation accuracy and efficiency of the crown spring 420.

[0048] See Figure 7 and Figure 8 In some embodiments, the first connector 400 further includes a first protruding ring 430. The first protruding ring 430 is radially protruding from the outer circumference of the first connector rod 410. The outer diameter of the first protruding ring 430 is larger than that of the first connector rod 410. As the first connector rod 410 is inserted into the first insertion hole 211, the cross-sectional dimension of the first protruding ring 430 decreases, resulting in a generally conical shape. During insertion of the first connector 400 into the first insertion hole 211, the generally conical shape of the first protruding ring 430 reduces the mating resistance between the first protruding ring 430 and the first insertion hole 211, thereby improving assembly efficiency of the first connector 400. The provision of the first protruding ring 430 creates a tight fit between the first protruding ring 430 and the first insertion hole 211, increasing friction between the first connector 400 and the inner wall of the first insertion hole 211 and preventing the first connector 400 from being removed from the first insertion hole 211. The number of the first protruding rings 430 may be two or more, and the plurality of first protruding rings 430 are disposed on the first connecting rod 410 at intervals.

[0049] See Figure 5 、 Figure 6 and Figure 9In some embodiments, the second connector 500 includes a second connecting rod 510 and a second protruding ring 520. The second connecting rod 510 is provided with a second connecting hole 511 into which a male pin can be inserted. The diameter of the second connecting hole 511 is smaller than that of the first connecting hole 411. The second protruding ring 520 is radially protruding from the outer circumference of the second connecting rod 510, such that the outer diameter of the second protruding ring 520 is larger than that of the second connecting rod 510. As the second connecting rod 510 is inserted into the second insertion hole 212, the cross-sectional dimension of the second protruding ring 520 decreases, resulting in a generally conical shape. During the insertion of the second connecting rod 500 into the second insertion hole 212, the generally conical shape of the second protruding ring 520 can reduce the mating resistance between the second protruding ring 520 and the second insertion hole 212, thereby improving the assembly efficiency of the second connecting rod 500. The second protruding ring 520 is provided to form a tight fit with the second insertion hole 212, thereby increasing the friction between the second connecting member 500 and the inner wall of the second insertion hole 212, thereby preventing the second connecting member 500 from being pulled out of the second insertion hole 212. The number of second protruding rings 520 can be two or more, and multiple second protruding rings 520 are arranged at intervals on the second connecting rod 510.

[0050] See Figure 3 、 Figure 5 and Figure 10 In some embodiments, the connector 10 further includes a stopper 600, which is fixed within the first cavity 110. Along the axial direction of the connector 10, the insulator 200 abuts between the bottom wall of the first cavity 110 and the stopper 600. The stopper 600 effectively positions the insulator 200 in the axial direction of the connector 10, preventing the insulator 200 from slipping relative to the housing 100 along the axial direction. The insulator 200 includes an insulating body 210 and a retaining ring 220. The insulating body 210 is disposed within the first cavity 110 and the second cavity 120. A first insertion hole 211 and a second insertion hole 212 are disposed on the insulating body 210. The retaining ring 220 protrudes radially from the outer circumference of the insulating body 210, so that the outer diameter of the retaining ring 220 is greater than the outer diameter of the insulating body 210. The limiting protrusion ring 220 abuts between the bottom wall surface of the first cavity 110 and the stopper 600. The limiting protrusion ring 220 is limited along the axial direction of the shell 100 by the bottom wall surface of the first cavity 110 and the stopper 600, so that the entire insulator 200 can be limited in the axial direction of the shell 100.

[0051] See Figure 3 、 Figure 5 and Figure 10In some embodiments, the insulator 200 may further include a key 230. The key 230 is disposed radially protruding from the outer circumference of the insulator body 210. The key 230 may be disposed near the retaining ring 220 and located on the side of the retaining ring 220 that is closest to the second cavity 120. For example, the end of the key 230 may be connected to the end of the retaining ring 220 that is closest to the second cavity 120. The key 230 may engage with the recessed groove 121 on the housing 100, thereby effectively preventing the insulator 200 from rotating relative to the housing 100. Therefore, the engagement of the key 230 with the recessed groove 121 allows the insulator 200 to be circumferentially restrained within the housing 100. Furthermore, the clamping action of the retaining ring 220 by the bottom wall of the first cavity 110 and the stopper 600 allows the insulator 200 to be axially restrained within the housing 100. This can improve the stability and reliability of the installation of the insulator 200.

[0052] See Figure 3 、 Figure 5 and Figure 10In some embodiments, the stopper 600 includes a stopper portion 610 and a sleeve portion 620. The sleeve portion 620 is provided on the end surface of the stopper portion 610 and protrudes along the axial direction of the stopper portion 610. The stopper portion 610 and the sleeve portion 620 may be coaxially arranged. The outer diameter of the stopper portion 610 is larger than the outer diameter of the sleeve portion 620. The stopper portion 610 has an interference fit with the first cavity 110, thereby achieving an interference fit between the stopper portion 610 and the entire stopper 600 and the housing 100, thereby achieving fixation of the stopper portion 610 relative to the housing 100. The stopper portion 610 also abuts against the limiting protrusion 220 of the insulator 200 along the axial direction of the connector 10, thereby axially limiting the limiting protrusion 220 and the entire insulator 200. The outer circumferential surface of the stopper portion 610 is provided with a plurality of serrations 611, which are arranged along the circumference of the stopper portion 610. The provision of the serrations 611 can reduce the contact area and frictional resistance between the stopper portion 610 and the housing 100 during assembly of the stopper 600, namely, reduce the resistance to the stopper portion 610 being pressed into the first cavity 110, thereby reducing the assembly resistance of the stopper portion 610 and the entire stopper 600, and improving the assembly efficiency of the stopper 600. The sleeve portion 620 is sleeved on the insulating body 210 and is provided with a plurality of grooves 621. The grooves 621 extend radially through the sleeve portion 620 and are spaced apart circumferentially along the sleeve portion 620. The grooves 621 extend axially along the sleeve portion 620 and extend to opposite ends of the grooves 621. The provision of the groove 621 can, on the one hand, reduce the contact area and frictional resistance between the sleeve portion 620 and the insulating body 210, thereby reducing the assembly resistance of the sleeve portion 620 and improving assembly efficiency. On the other hand, it can facilitate elastic deformation of the sleeve portion 620, thereby reducing assembly resistance and improving assembly efficiency.

[0053] For a traditional connector 10, there is usually only one type of connector, so the connector 10 can only pass one type of current. This makes the function of the connector 10 relatively single and makes the connector 10 only applicable to a single working condition, thereby affecting the applicability of the connector 10 to the working condition.

[0054] As for the connector 10 in the above embodiment, since the outer diameter of the second connector 500 is smaller than the outer diameter of the first connector 400, a large current can pass through the first connector 400, while a small current can pass through the second connector 500, so that the connector 10 can pass a variety of currents, thereby improving the diversity of the functions of the connector 10, making the connector 10 applicable to a variety of different working conditions, thereby improving the applicability of the connector 10 to different working conditions.

[0055] The technical features of the above-mentioned embodiments can be combined arbitrarily. In order to make the description concise, not all possible combinations of the technical features in the above-mentioned embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0056] The above-described embodiments merely represent several implementation methods of the present application. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that a person of ordinary skill in the art may make various modifications and improvements without departing from the spirit of the present application, and these modifications and improvements fall within the scope of protection of the present application. Therefore, the scope of protection of the present patent application shall be determined by the appended claims.

Claims

1. A connector, characterized in that: include: shell; insulator; Inserted in the housing, the insulator is provided with a first plug hole and a second plug hole at intervals, and the aperture of the first plug hole is larger than the aperture of the second plug hole; a first connecting member, inserted into the first socket; and The second connecting member is inserted into the second insertion hole, and the outer diameter of the second connecting member is smaller than the outer diameter of the first connecting member.

2. The connector according to claim 1, wherein: The first connecting member includes a first connecting rod and a crown spring. The first connecting rod is provided with a first connecting hole. The crown spring cooperates with the first connecting hole. From one end of the crown spring to the other end of the crown spring, the outer diameter of the crown spring first decreases and then increases.

3. The connector according to claim 2, wherein: The first connecting hole includes a first hole section and a second hole section that are connected to each other. The hole diameter of the first hole section is larger than the hole diameter of the second hole section. The bottom wall surface of the first hole section is arranged around the second hole section and abuts against the crown spring.

4. The connector according to claim 2, wherein: The first connecting member further includes a first protruding ring, which is radially protruding and arranged on the outer peripheral surface of the first connecting rod. The cross-sectional size of the first protruding ring decreases along the direction in which the first connecting rod is inserted into the first insertion hole.

5. The connector according to claim 1, wherein: The first connecting member is provided with a first connecting hole, and the second connecting member is provided with a second connecting hole. The diameter of the first connecting hole is larger than the diameter of the second connecting hole.

6. The connector according to claim 5, wherein: The second connecting member includes a second connecting rod and a second protruding ring. The second connecting hole is provided on the second connecting rod. The second protruding ring is radially protruding on the outer circumferential surface of the second connecting rod. The cross-sectional size of the second protruding ring decreases along the direction in which the second connecting rod is inserted into the second insertion hole.

7. The connector according to claim 1, wherein: The housing further comprises a stopper, wherein the cavity of the housing comprises a first cavity and a second cavity that are interconnected, the aperture of the first cavity is larger than the aperture of the second cavity, the insulator is disposed in the first cavity and the second cavity, and the stopper is fixed in the first cavity; Along the axial direction of the connector, the insulator abuts between the bottom wall surface of the first cavity and the stopper.

8. The connector according to claim 7, wherein: The insulator includes an insulating body and a limiting protrusion ring. The insulating body is inserted into the cavity of the shell, and the first jack and the second jack are arranged on the insulating body. The limiting protrusion ring is arranged on the outer circumferential surface of the insulating body along the radial direction of the insulating body, and the limiting protrusion ring abuts between the bottom wall surface of the first cavity and the stopper.

9. The connector according to claim 7, wherein: Also includes at least one of the following options: The stopper comprises a stop portion and a sleeve portion, wherein the sleeve portion protrudes along the axial direction of the stop portion and is provided on the stop portion, the outer diameter of the stop portion is larger than the outer diameter of the sleeve portion, the stop portion is interference-fitted with the first cavity and abuts against the insulator along the axial direction of the connector; The first cavity includes an annular cavity arranged around the insulator, and a positioning groove is recessed on the inner wall surface of the annular cavity. The positioning groove extends along the axial direction of the shell and extends to an end of the annular cavity away from the second cavity; A recessed groove is formed on the inner wall surface of the second cavity, and the recessed groove cooperates with the insulator.

10. The connector according to claim 9, wherein: Also includes at least one of the following options: A plurality of saw teeth arranged along the circumference of the stop portion are provided on the outer peripheral surface of the stop portion; The sleeve portion is provided with a plurality of grooves, the grooves penetrating the sleeve portion in a radial direction of the sleeve portion, the plurality of grooves being spaced apart along a circumferential direction of the sleeve portion, and the grooves extending along an axial direction of the sleeve portion and extending to opposite ends of the grooves; It also includes a nut and a washer, wherein the nut is sleeved outside the shell and is threadedly connected to the shell, and the washer abuts between the nut and the shell along the axial direction of the shell; The length of the first connecting member is greater than or equal to the length of the second connecting member. There are multiple second connecting members, and the length of some of the second connecting members is greater than the length of another part of the second connecting members.

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