Elastic contact member, terminal module, charging terminal and charging seat

Abstract

To provide techniques with which the number of elastic contact members is reduced, cost is reduced, contact resistance of the elastic contact members can also be reduced, and current-carrying capability of a charging terminal is improved.SOLUTION: An elastic contact member (30) is attached to a sub-terminal body (20). The elastic contact member includes: a first elastic arm (33) which is inserted into an inner cavity (201) of the sub-terminal body and in electric contact with an inner wall of the sub-terminal body and an outer surface of a mating terminal that is to be inserted into the sub-terminal body; and a second elastic arm (34) which is fitted at one end of the sub-terminal body and inserted into the inner cavity of a main terminal body, for making electrical contact with an outer surface of the sub-terminal body and an inner surface of the main terminal body. The first elastic arm and the second elastic arm are connected with each other to form an integrated component.SELECTED DRAWING: Figure 6

Description

Technical Field

[0001] Cross - reference to Related Applications This application claims priority to Chinese Patent Application No. CN202210534597.2, filed with the China National Intellectual Property Administration on May 17, 2022. The entire disclosure thereof is incorporated herein by reference.

[0002] The present invention relates to an elastic contact member, a terminal module including the elastic contact member, a charging terminal including the terminal module, and a charging stand including the charging terminal.

Background Art

[0003] In the prior art, since it is often necessary to fit the charging terminal of a charging stand to the mating terminal of a charging gun, the elastic contact member (also known as a contact spring) of the charging terminal that contacts the mating terminal may wear after a certain period of use, and periodic replacement may be required. In the prior art, when the elastic contact member wears, the entire charging terminal has to be replaced, resulting in high costs.

Summary of the Invention

Problems to be Solved by the Invention

[0004] The present invention is made to overcome or mitigate at least one aspect of the aforementioned drawbacks.

Means for Solving the Problems

[0005] According to an aspect of the present invention, an elastic contact member is provided which is configured to be attached to a sub-terminal body. The elastic contact member comprises: a first elastic arm configured to be inserted into the internal cavity of the sub-terminal body and to electrically contact the inner wall of the sub-terminal body and the outer surface of a mating terminal inserted into the sub-terminal body; and a second elastic arm configured to be fitted to one end of the sub-terminal body and to be inserted into the internal cavity of the main terminal body in order to electrically contact the outer surface of the sub-terminal body and the inner surface of the main terminal body. The first elastic arm and the second elastic arm are connected to each other to form an integral component.

[0006] According to an exemplary embodiment of the present invention, the elastic contact member comprises a plurality of first elastic arms, and when the elastic contact member is mounted on the sub-terminal body, the plurality of first elastic arms are located in the internal cavity of the sub-terminal body and are spaced apart and distributed along the circumferential direction of the sub-terminal body.

[0007] According to another exemplary embodiment of the present invention, the elastic contact member comprises a plurality of second elastic arms, and when the elastic contact member is mounted on the sub-terminal body, the plurality of second elastic arms are located outside the sub-terminal body and are spaced apart and distributed along the outer circumference of the sub-terminal body.

[0008] According to another exemplary embodiment of the present invention, the elastic contact member further comprises a connecting portion configured to be held at one end of the sub-terminal body, wherein one end of a first elastic arm and one end of a second elastic arm are connected to the connecting portion.

[0009] According to another exemplary embodiment of the present invention, the connection includes a first annular end, to which one end of a first elastic arm is connected to one side of the first annular end, and a bent portion connected to the other side of the first annular end and one end of a second elastic arm. When the elastic contact member is mounted on the sub-terminal body, the first annular end contacts the inner circumferential surface of the sub-terminal body, and the bent portion is maintained at one end of the sub-terminal body.

[0010] According to another exemplary embodiment of the present invention, the connection includes a plurality of bends spaced apart around a first annular end, and the elastic contact member comprises a plurality of second elastic arms, each end of which is connected to the plurality of bends.

[0011] According to another exemplary embodiment of the present invention, the elastic contact member further comprises a first annular end and a second annular end on the axially opposite side, the elastic contact member comprising a plurality of first elastic arms, the other ends of the plurality of first elastic arms connected to the second annular end and spaced apart around the second annular end. When the elastic contact member is mounted on the sub-terminal body, the second annular end contacts the inner circumferential surface of the sub-terminal body.

[0012] According to another exemplary embodiment of the present invention, the first annular end and the second annular end have notches that circumferentially separate the first annular end and the second annular end.

[0013] According to another exemplary embodiment of the present invention, the elastic contact member is an integral part.

[0014] According to another aspect of the present invention, a terminal module is provided that is configured to be detachably inserted into a main terminal body. The terminal module comprises a sub-terminal body having an internal cavity and the elastic contact member mounted on the sub-terminal body. A first elastic arm of the elastic contact member is located in the internal cavity of the sub-terminal body to electrically contact the outer surface of a mating terminal inserted into the sub-terminal body, and a second elastic arm of the elastic contact member is located outside the sub-terminal body to electrically contact the inner surface of the main terminal body fitted into the sub-terminal body.

[0015] According to an exemplary embodiment of the present invention, the elastic contact member is fixed to the sub-terminal body so as to move together with the sub-terminal body.

[0016] According to another exemplary embodiment of the present invention, the elastic contact member is detachably mounted on the sub-terminal body so that the elastic contact member can be removed from the main terminal body together with the sub-terminal body, or separately from the main terminal body.

[0017] According to another exemplary embodiment of the present invention, a plurality of slots are formed at one end of the sub-terminal body, and a plurality of bent portions of the elastic contact member are each fixed to the plurality of slots.

[0018] According to another exemplary embodiment of the present invention, a plurality of bent portions of the elastic contact member are each snapped, riveted, or welded to a plurality of slots of the sub-terminal body.

[0019] According to another exemplary embodiment of the present invention, the bent portion of the elastic contact member is U-shaped and is clamped to one end of the sub-terminal body so that the elastic contact member is maintained on the sub-terminal body.

[0020] According to another exemplary embodiment of the present invention, the second annular end of the elastic contact member is housed in an internal cavity of the sub-terminal body, and a positioning step is formed on the inner circumferential surface of the sub-terminal body for positioning the end face of the second annular end.

[0021] According to another exemplary embodiment of the present invention, the sub-terminal body has a first cylindrical portion located at one end and a second cylindrical portion located at the other end and having an outer diameter larger than the outer diameter of the first cylindrical portion. The first cylindrical portion is configured to be inserted into one end of the main terminal body, and the elastic contact member is mounted on the first cylindrical portion of the sub-terminal body.

[0022] According to another exemplary embodiment of the present invention, the end face of one end of a second cylindrical portion adjacent to the first cylindrical portion is configured to abut against the end face of one end of the main terminal body, thereby positioning the second cylindrical portion outside the end of the main terminal body.

[0023] According to another aspect of the present invention, a charging terminal is provided. The charging terminal includes a main terminal body and the above-mentioned terminal module detachably inserted into one end of the main terminal body. The first elastic arm of the elastic contact member is configured to be electrically in contact with the mating terminal inserted into the charging terminal, and the second elastic arm of the elastic contact member is electrically in contact with the inner peripheral surface of one end of the main terminal body.

[0024] According to an exemplary embodiment of the present invention, a radial positioning surface is formed on the inner peripheral surface of one end of the main terminal body to position the end face of the sub-terminal body. The end face of the sub-terminal body abuts against the radial positioning surface of the main terminal body, and the bent portion of the elastic contact member is held in the slot at one end of the sub-terminal body.

[0025] According to another exemplary embodiment of the present invention, a radial positioning surface is formed on the inner peripheral surface of one end of the main terminal body to position the end face of the sub-terminal body, and the bent portion of the elastic contact member is clamped between the end face of the sub-terminal body and the radial positioning surface of the main terminal body.

[0026] According to another aspect of the present invention, a charging station is provided. The charging station includes a housing and the above-mentioned charging terminal mounted on the housing.

[0027] According to another exemplary embodiment of the present invention, the housing includes a main housing and a sub-housing detachably mounted on the main housing. The main terminal body is mounted on the main housing, and the sub-terminal body is detachably mounted on the sub-housing so that the sub-terminal body can be disassembled and assembled together with the sub-housing, or disassembled and assembled separately.

[0028] In the foregoing exemplary embodiment of the present invention, when the elastic contact member wears out, only the terminal module including the elastic contact member or only the elastic contact member may be replaced without replacing the entire charging terminal, so that the cost is reduced. In addition, in the present invention, a single elastic contact member can be electrically contacted with the mating terminal and the main terminal body simultaneously. Therefore, the present invention can reduce the number of elastic contact members, reduce the cost, also reduce the contact resistance of the elastic contact members, and increase the current-carrying capacity of the charging terminal.

[0029] The above and other features of the present invention will become more apparent by describing exemplary embodiments in detail with reference to the accompanying drawings.

Brief Description of the Drawings

[0030] [Figure 1] It is an explanatory perspective view of a charging terminal according to an exemplary embodiment of the present invention. [Figure 2] It is an axial cross-sectional view of a charging terminal according to an exemplary embodiment of the present invention. [Figure 3] It is an explanatory exploded view of a charging terminal according to an exemplary embodiment of the present invention. [Figure 4] It is an axial cross-sectional view of the charging terminal shown in FIG. 3. [Figure 5] It is an explanatory perspective view of a terminal module of a charging terminal according to an exemplary embodiment of the present invention. [Figure 6] It is an explanatory exploded view of a terminal module of a charging terminal according to an exemplary embodiment of the present invention. [Figure 7] It is an axial cross-sectional view of a terminal module of a charging terminal according to an exemplary embodiment of the present invention.

Modes for Carrying Out the Invention

[0031] Illustrative embodiments of the present disclosure are described in detail below with reference to the accompanying drawings. In the drawings, the same reference numerals refer to the same elements. However, the present disclosure can be embodied in many different forms and should not be construed as being limited to the embodiments described herein. Rather, these embodiments are provided so as to make the present disclosure thorough and complete and so as to fully convey the concepts of the present disclosure to those skilled in the art.

[0032] The following detailed description includes numerous specific details for illustrative purposes to provide a thorough understanding of the disclosed embodiments. However, it will be apparent that one or more embodiments can be carried out without these specific details. In other examples, well-known structures and devices are shown schematically for the sake of simplifying the drawings.

[0033] According to the general concept of the present invention, an elastic contact member is provided which is configured to be mounted on a sub-terminal body. The elastic contact member comprises: a first elastic arm configured to be inserted into the internal cavity of the sub-terminal body and to electrically contact the inner wall of the sub-terminal body and the outer surface of a mating terminal inserted into the sub-terminal body; and a second elastic arm configured to be fitted onto one end of the sub-terminal body and to be inserted into the internal cavity of the main terminal body in order to electrically contact the outer surface of the sub-terminal body and the inner surface of the main terminal body. The first and second elastic arms are connected to each other to form an integral component.

[0034] According to another general concept of the present invention, a terminal module is provided which is configured to be detachably inserted into a main terminal body. The terminal module comprises a sub-terminal body having an internal cavity and the elastic contact member mounted on the sub-terminal body. A first elastic arm of the elastic contact member is located in the internal cavity of the sub-terminal body to electrically contact the outer surface of a mating terminal inserted into the sub-terminal body, and a second elastic arm of the elastic contact member is located outside the sub-terminal body to electrically contact the inner surface of the main terminal body into which the sub-terminal body is fitted.

[0035] According to another general concept of the present invention, a charging terminal is provided. The charging terminal comprises a main terminal body and the terminal module described above, which is detachably inserted into one end of the main terminal body. A first elastic arm of the elastic contact member is configured to electrically contact a mating terminal inserted into the charging terminal, and a second elastic arm of the elastic contact member electrically contacts the inner circumferential surface of one end of the main terminal body.

[0036] According to another general concept of the present invention, a charging stand is provided. The charging stand comprises a housing and the above-mentioned charging terminals mounted on the housing.

[0037] Figure 1 is an explanatory perspective view of a charging terminal according to an exemplary embodiment of the present invention. Figure 2 is an axial cross-sectional view of the charging terminal according to an exemplary embodiment of the present invention. Figure 3 is an explanatory exploded view of the charging terminal according to an exemplary embodiment of the present invention. Figure 4 is an axial cross-sectional view of the charging terminal shown in Figure 3.

[0038] As shown in Figures 1 to 4, in the illustrated embodiment, the charging terminal mainly comprises a main terminal body 10 and terminal modules 20 and 30 that can be detachably inserted into one end of the main terminal body 10. In the illustrated embodiment, the terminal modules 20 and 30 mainly consist of a sub-terminal body 20 and an elastic contact member 30. The sub-terminal body 20 can be detachably inserted into one end of the main terminal body 10. In the illustrated embodiment, the elastic contact member 30 is attached to the sub-terminal body 20 and is detachably inserted into one end of the main terminal body 10 together with the sub-terminal body 20.

[0039] Figure 5 is an explanatory perspective view of terminal modules 20 and 30 of a charging terminal according to an exemplary embodiment of the present invention. Figure 6 is an explanatory exploded view of terminal modules 20 and 30 of a charging terminal according to an exemplary embodiment of the present invention. Figure 7 is an axial cross-sectional view of terminal modules 20 and 30 of a charging terminal according to an exemplary embodiment of the present invention.

[0040] As shown in Figures 1 to 7, in the illustrated embodiment, the elastic contact member 30 is suitable for mounting on the sub-terminal body 20. The elastic contact member 30 comprises a first elastic arm 33 and a second elastic arm 34. The first elastic arm 33 of the elastic contact member 30 is used to electrically contact the outer surface of a mating terminal (not shown) that is inserted into the internal cavity 201 of the sub-terminal body 20. The second elastic arm 34 of the elastic contact member 30 is used to electrically contact the inner surface of the main terminal body 10 that is fitted onto one end of the sub-terminal body 20. In this way, an electrical connection between the mating terminal and the main terminal body 10 can be achieved via the elastic contact member 30.

[0041] As shown in Figures 1 to 7, in the illustrated embodiment, the first elastic arm 33 of the elastic contact member 30 is inserted into the internal cavity 201 of the sub-terminal body 20 and can electrically contact the inner wall of the sub-terminal body 20 and the outer surface of the mating terminal inserted into the sub-terminal body 20. The second elastic arm 34 of the elastic contact member 30 is fitted to one end of the sub-terminal body 20 and inserted into the internal cavity 101 of the main terminal body 10 and can electrically contact the outer surface of the sub-terminal body 20 and the inner surface of the main terminal body 10.

[0042] As shown in Figures 1 to 7, in exemplary embodiments of the present invention, the first elastic arm 33 and the second elastic arm 34 are connected to each other to form an integrated component. In the illustrated embodiment, the elastic contact member 30 is an integrated component, and for example, the elastic contact member 30 may be an integrally punched component formed by punching out a single metal plate.

[0043] As shown in Figures 1 to 7, in the illustrated embodiment, the elastic contact member 30 comprises a plurality of first elastic arms 33. When the elastic contact member 30 is mounted on the sub-terminal body 20, the plurality of first elastic arms 33 are located in the internal cavity 201 of the sub-terminal body 20 and are spaced apart along the circumferential direction of the sub-terminal body 20.

[0044] As shown in Figures 1 to 7, in the illustrated embodiment, the elastic contact member 30 comprises a plurality of second elastic arms 34. When the elastic contact member 30 is attached to the sub-terminal body 20, the plurality of second elastic arms 34 are located on the outside of the sub-terminal body 20 and are distributed at intervals along the outer circumference of the sub-terminal body 20.

[0045] As shown in Figures 1 to 7, in the illustrated embodiment, the elastic contact member 30 further comprises connecting portions 31 and 35 suitable for being held at one end of the sub-terminal body 20. One end of the first elastic arm 33 and one end of the second elastic arm 34 are connected to the connecting portions 31 and 35.

[0046] As shown in Figures 1 to 7, in the illustrated embodiment, the connecting portions 31 and 35 of the elastic contact member 30 include a first annular end 31 and a bent portion 35. One end of the first elastic arm 33 is connected to one side of the first annular end 31. The bent portion 35 is connected to the other side of the first annular end 31 and to one end of the second elastic arm 34.

[0047] As shown in Figures 1 to 7, in the illustrated embodiment, when the elastic contact member 30 is attached to the sub-terminal body 20, the first annular end 31 contacts the inner circumferential surface of the sub-terminal body 20, and the bent portion 35 is maintained at one end of the sub-terminal body 20.

[0048] As shown in Figures 1 to 7, in the illustrated embodiment, the connecting portions 31 and 35 of the elastic contact member 30 include a plurality of bent portions 35 that are spaced apart and distributed around the first annular end portion 31. The elastic contact member 30 comprises a plurality of second elastic arms 34, and one end of each of the plurality of second elastic arms 34 is connected to the plurality of bent portions 35.

[0049] As shown in Figures 1 to 7, in the illustrated embodiment, the elastic contact member 30 further comprises a first annular end 31 and a second annular end 32 on the axially opposite side. The elastic contact member 30 comprises a plurality of first elastic arms 33. The other ends of the first elastic arms 33 are connected to the second annular end 32 and are spaced apart around the second annular end 32. When the elastic contact member 30 is mounted on the sub-terminal body 20, the second annular end 32 contacts the inner circumferential surface of the sub-terminal body 20.

[0050] As shown in Figures 1 to 7, in the illustrated embodiment, the first annular end 31 and the second annular end 32 have circumferential notches 36 that separate the first annular end 31 and the second annular end 32 in the circumferential direction.

[0051] As shown in Figures 1 to 7, in the illustrated embodiment, the length of the first elastic arm 33 is greater than the length of the second elastic arm 34, but the width of the first elastic arm 33 is smaller than the width of the second elastic arm 34. In the illustrated embodiment, the first elastic arm 33 is a simply supported beam structure supported at both ends, and the second elastic arm 34 is a cantilever beam structure.

[0052] As shown in Figures 1 to 7, in exemplary embodiments of the present invention, terminal modules 20, 30 including a sub-terminal body 20 and an elastic contact member 30 are also disclosed. The sub-terminal body 20 has an internal cavity 201. The elastic contact member 30 is mounted on the sub-terminal body 20. The first elastic arm 33 of the elastic contact member 30 is located in the internal cavity 201 of the sub-terminal body 20 and electrically contacts the outer surface of the mating terminal that is inserted into the sub-terminal body 20. The second elastic arm 34 of the elastic contact member 30 is located on the outside of the sub-terminal body 20 and is used to electrically contact the inner surface of the main terminal body 10 that is fitted into the sub-terminal body 20.

[0053] As shown in Figures 1 to 7, in the illustrated embodiment, the elastic contact member 30 is fixed to the sub-terminal body 20 and moves together with the sub-terminal body 20. In this way, the elastic contact member 30 can be removed and attached together with the sub-terminal body 20, making it very convenient to use. In this case, if it is necessary to replace the elastic contact member 30, only the sub-terminal body 20 and the elastic contact member 30 need to be replaced, and there is no need to replace the main terminal body 10.

[0054] However, it should be noted that the present invention is not limited to the illustrated embodiments. For example, in another exemplary embodiment of the present invention, the elastic contact member 30 may be detachably attached to the sub-terminal body 20 so that the elastic contact member 30 can be removed from the main terminal body 10 together with the sub-terminal body 20 or separately. In this case, if it is necessary to replace the elastic contact member 30, only the elastic contact member 30 needs to be replaced, and it is not necessary to replace the main terminal body 10 and the sub-terminal body 20.

[0055] As shown in Figures 1 to 7, in the illustrated embodiment, a plurality of slots 21b are formed at one end of the sub-terminal body 20, and a plurality of bent portions 35 of the elastic contact member 30 are each fixed to the plurality of slots 21b. For example, in the illustrated embodiment, the plurality of bent portions 35 of the elastic contact member 30 can be snap-fastened, riveted, or welded to the plurality of slots 21b of the sub-terminal body 20.

[0056] However, it should be noted that the present invention is not limited to the illustrated embodiments. For example, in another exemplary embodiment of the present invention, the bent portion 35 of the elastic contact member 30 is U-shaped and is clamped to one end of the sub-terminal body 20 so that the elastic contact member 30 is maintained on the sub-terminal body 20.

[0057] As shown in Figures 1 to 7, in the illustrated embodiment, the second annular end 32 of the elastic contact member 30 is housed in the internal cavity 201 of the sub-terminal body 20, and a positioning step 202 is formed on the inner circumferential surface of the sub-terminal body 20 to position the end face of the second annular end 32.

[0058] As shown in Figures 1 to 7, in the illustrated embodiment, the sub-terminal body 20 has a first cylindrical portion 21 located at one end and a second cylindrical portion 22 located at the other end and having a larger outer diameter than the first cylindrical portion 21. The first cylindrical portion 21 is configured to be inserted into one end of the main terminal body 10, and the elastic contact member 30 is attached to the first cylindrical portion 21 of the sub-terminal body 20.

[0059] As shown in Figures 1 to 7, in the illustrated embodiment, the end face 22a of one end of the second cylindrical portion 22, which is connected to the first cylindrical portion 21, is configured to abut against the end face 10a of one end of the main terminal body 10, thereby positioning the second cylindrical portion 22 outside one end of the main terminal body 10.

[0060] As shown in Figures 1 to 7, in another exemplary embodiment of the present invention, a charging terminal comprising a main terminal body 10 and the aforementioned terminal modules 20 and 30 is also disclosed. The terminal modules 20 and 30 can be detachably inserted into one end of the main terminal body 10. The first elastic arm 33 of the elastic contact member 30 is suitable for electrically contacting a mating terminal that is inserted into the charging terminal. The second elastic arm 34 of the elastic contact member 30 electrically contacts the inner circumferential surface of one end of the main terminal body 10.

[0061] As shown in Figures 1 to 7, in the illustrated embodiments, a female thread 102 is formed on the other end of the main terminal body 10, allowing the other end of the main terminal body 10 to be screwed to a busbar (not shown, e.g., bare conductor) or cable component (not shown, e.g., busbar) connection terminal. However, the present invention is not limited to the illustrated embodiments. For example, the other end of the main terminal body 10 is suitable for electrical connection to a busbar or cable assembly connection terminal by other suitable methods. For example, the other end of the main terminal body 10 can be electrically connected to a busbar or cable assembly connection terminal by welding, crimping, or riveting.

[0062] As shown in Figures 1 to 7, in the illustrated embodiment, a radial positioning surface 103 is formed on the inner circumferential surface of one end of the main terminal body 10 in order to position the end face 21a of the sub-terminal body 20. In the illustrated embodiment, the end face 21a of the sub-terminal body 20 abuts against the radial positioning surface 103 of the main terminal body 10, and the bent portion 35 of the elastic contact member 30 is maintained in the slot 21b of one end of the sub-terminal body 20.

[0063] However, the present invention is not limited to the illustrated embodiments. For example, in another exemplary embodiment of the present invention, the bent portion 35 of the elastic contact member 30 can be clamped between the end face 21a of the sub-terminal body 20 and the radial positioning surface 103 of the main terminal body 10.

[0064] As shown in Figures 1 to 7, an exemplary embodiment of the present invention also discloses a charging stand (not shown) comprising a housing (not shown) and the aforementioned charging terminal. The charging terminal is mounted on the housing.

[0065] As shown in Figures 1 to 7, in an exemplary embodiment of the present invention, the charging stand housing includes a main housing (not shown) and a sub-housing (not shown). The sub-housing can be detachably attached to the main housing. The main terminal body 10 is mounted in the main housing. The sub-terminal body 20 can be detachably attached to the sub-housing, and the sub-terminal body 20 can be disassembled and assembled together with the sub-housing or separately. In this way, it can be used very conveniently.

[0066] Those skilled in the art should understand that the embodiments described above are illustrative and not limiting. For example, those skilled in the art can make many modifications to the embodiments without structural or principle contradictions, and can freely combine the various features described in different embodiments.

[0067] While several exemplary embodiments have been illustrated and described, it will be understood by those skilled in the art that various modifications or alterations can be made to these embodiments without departing from the principles and spirit of this disclosure. The scope of this disclosure is defined by the claims and their equivalents.

[0068] When used herein, elements described in the singular form and preceded by the word "a" or "an" should be understood not to exclude the plural forms of such elements or steps unless it is explicitly stated that such exclusion is to be excluded. Furthermore, references to “one embodiment” of the present invention are not intended to be construed as excluding the existence of additional embodiments that likewise incorporate the described features. Moreover, unless it is expressly stated otherwise, embodiments that “compile” or “have” one or more elements having a particular characteristic may include additional such elements that do not possess that characteristic.

Claims

1. An elastic contact member (30) is configured to be attached to the sub-terminal body (20), The elastic contact member (30) is - A first elastic arm (33) is configured to be inserted into the internal cavity (201) of the sub-terminal body (20), and to electrically contact the inner wall of the sub-terminal body (20) and the outer surface of the mating terminal that is inserted into the sub-terminal body (20), - A second elastic arm (34) is configured to be fitted onto one end of the sub-terminal body (20) and inserted into the internal cavity (101) of the main terminal body (10) in order to electrically contact the outer surface of the sub-terminal body (20) and the inner surface of the main terminal body (10), The first elastic arm (33) and the second elastic arm (34) are connected to each other to form an integrated component. Elastic contact member (30).

2. The elastic contact member (30) comprises a plurality of first elastic arms (33), When the elastic contact member (30) is attached to the sub-terminal body (20), the plurality of first elastic arms (33) are located in the internal cavity (201) of the sub-terminal body (20) and are dispersed at intervals along the circumferential direction of the sub-terminal body (20). The elastic contact member (30) according to claim 1.

3. The elastic contact member (30) comprises a plurality of second elastic arms (34), When the elastic contact member (30) is attached to the sub-terminal body (20), the plurality of second elastic arms (34) are located on the outside of the sub-terminal body (20) and are distributed at intervals along the outer circumference of the sub-terminal body (20). The elastic contact member (30) according to claim 1.

4. The sub-terminal body (20) further comprises connecting parts (31, 35) that are configured to be held at one end, One end of the first elastic arm (33) and one end of the second elastic arm (34) are connected to the connecting portion (31, 35). The elastic contact member (30) according to claim 1.

5. The aforementioned connecting parts (31, 35) are - A first annular end (31), wherein one end of the first elastic arm (33) is connected to one side of the first annular end (31), - A bent portion (35) connected to the other side of the first annular end (31) and one end of the second elastic arm (34), Includes, When the elastic contact member (30) is attached to the sub-terminal body (20), the first annular end (31) contacts the inner circumferential surface of the sub-terminal body (20), and the bent portion (35) is maintained at one end of the sub-terminal body (20). The elastic contact member (30) according to claim 4.

6. The connecting portion (31, 35) includes a plurality of bent portions (35) that are spaced apart and distributed around the first annular end portion (31), The elastic contact member (30) comprises a plurality of second elastic arms (34), and one end of each of the plurality of second elastic arms (34) is connected to the plurality of bent portions (35). The elastic contact member (30) according to claim 5.

7. The present invention further comprises a second annular end (32) opposite the first annular end (31) in the axial direction, The elastic contact member (30) comprises a plurality of first elastic arms (33), the other ends of the plurality of first elastic arms (33) connected to the second annular end (32), and distributed at intervals around the second annular end (32). When the elastic contact member (30) is attached to the sub-terminal body (20), the second annular end (32) comes into contact with the inner circumferential surface of the sub-terminal body (20). The elastic contact member (30) according to claim 6.

8. The first annular end (31) and the second annular end (32) have notches (36) that separate the first annular end (31) and the second annular end (32) in the circumferential direction. The elastic contact member (30) according to claim 7.

9. The elastic contact member (30) is an integral part. The elastic contact member (30) according to any one of claims 1 to 8.

10. A terminal module configured to be detachably inserted into the main terminal body (10), The aforementioned terminal module is - A sub-terminal body (20) having an internal cavity (201), - The elastic contact member (30) according to any one of claims 1 to 8, which is attached to the sub-terminal body (20), Equipped with, In order to electrically contact the outer surface of the mating terminal that is inserted into the sub-terminal body (20), the first elastic arm (33) of the elastic contact member (30) is located in the internal cavity (201) of the sub-terminal body (20), The second elastic arm (34) of the elastic contact member (30) is located outside the sub-terminal body (20) in order to electrically contact the inner surface of the main terminal body (10) which is fitted into the sub-terminal body (20). Terminal module.

11. The elastic contact member (30) is fixed to the sub-terminal body (20) so as to move together with the sub-terminal body (20). The terminal module according to claim 10.

12. The elastic contact member (30) is detachably attached to the sub-terminal body (20), and the elastic contact member (30) can be removed from the main terminal body (10) together with the sub-terminal body (20), or can be removed separately from the main terminal body (10). The terminal module according to claim 10.

13. Multiple slots (21b) are formed at one end of the sub-terminal body (20), and multiple bent portions (35) of the elastic contact member (30) are fixed to each of the multiple slots (21b). The terminal module according to claim 10.

14. The multiple bent portions (35) of the elastic contact member (30) are each snap-fastened, riveted, or welded to the multiple slots (21b) of the sub-terminal body (20). The terminal module according to claim 13.

15. The bent portion (35) of the elastic contact member (30) is U-shaped and is clamped to one end of the sub-terminal body (20) so that the elastic contact member (30) is maintained on the sub-terminal body (20). The terminal module according to claim 13.

16. The second annular end (32) of the elastic contact member (30) is housed in the internal cavity (201) of the sub-terminal body (20), and a positioning step (202) is formed on the inner circumferential surface of the sub-terminal body (20) to position the end face of the second annular end (32). The terminal module according to claim 10.

17. The sub-terminal body (20) has a first cylindrical portion (21) located at one end and a second cylindrical portion (22) located at the other end and having an outer diameter larger than the outer diameter of the first cylindrical portion (21). The first cylindrical portion (21) is configured to be inserted into one end of the main terminal body (10), and the elastic contact member (30) is attached to the first cylindrical portion (21) of the sub-terminal body (20). The terminal module according to claim 10.

18. The end face (22a) of one end of the second cylindrical portion (22) adjacent to the first cylindrical portion (21) is configured to abut against the end face (10a) of one end of the main terminal body (10), thereby positioning the second cylindrical portion (22) outside one end of the main terminal body (10). The terminal module according to claim 17.

19. It is a charging terminal, - Main terminal body (10) and - The terminal module according to claim 10, which is detachably inserted into one end of the main terminal body (10), Equipped with, The first elastic arm (33) of the elastic contact member (30) is configured to electrically contact the mating terminal that is inserted into the charging terminal. A charging terminal in which the second elastic arm (34) of the elastic contact member (30) electrically contacts the inner circumferential surface of one end of the main terminal body (10).

20. In order to position the end face (21a) of the sub-terminal body (20), a radial positioning surface (103) is formed on the inner circumferential surface of one end of the main terminal body (10). The end face (21a) of the sub-terminal body (20) is in contact with the radial positioning surface (103) of the main terminal body (10), and the bent portion (35) of the elastic contact member (30) is maintained in the slot (21b) at one end of the sub-terminal body (20). The charging terminal according to claim 19.

21. In order to position the end face (21a) of the sub-terminal body (20), a radial positioning surface (103) is formed on the inner circumferential surface of one end of the main terminal body (10). The bent portion (35) of the elastic contact member (30) is clamped between the end face (21a) of the sub-terminal body (20) and the radial positioning surface (103) of the main terminal body (10). The charging terminal according to claim 20.

22. It is a charging dock, - Housing and, - The charging terminal described in claim 19, which is mounted on the housing, Equipped with, Charging stand.

23. The aforementioned housing is - Main housing and, - A sub-housing that is detachably attached to the main housing, Includes, The main terminal body (10) is mounted on the main housing, and the sub-terminal body (20) is detachably mounted on the sub-housing, so that the sub-terminal body (20) can be disassembled and assembled together with the sub-housing, or disassembled and assembled separately. The charging stand according to claim 22.

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