Fastener, electrical connection module and connector

Abstract

The utility model discloses a fastener, an electric connection module and a connector. The outer flange and the threaded hole are located at one end of the fastener, and the stud part is located at the other end of the fastener. The stud part of the fastener is suitable for penetrating through the conductive sleeve and being in threaded connection with the conductive terminal, and the outer flange of the fastener is suitable for axially abutting against one end of the conductive sleeve, so that the conductive sleeve can be vertically fastened on the conductive terminal by the fastener; the threaded hole of the fastener is suitable for being in threaded connection with the bolt, so that the matching terminal can be fastened to one end of the conductive sleeve through the bolt. According to the utility model, the fastener, the conductive sleeve and the conductive terminal can be disassembled and assembled, so that the required installation space is small, the size of the connector can be reduced, and the miniaturization of the connector is realized. In addition, the connector provided by the utility model not only has a compact structure, but also has the functions of waterproof sealing, electromagnetic shielding, high-voltage interlocking, finger protection and the like.

Description

Technical Field

[0001] The utility model relates to a fastener, comprising an electrical connection module of the fastener and a connector comprising the electrical connection module. Background Art

[0002] In the prior art, the connector at the battery pack end usually includes a shielding shell, an insulating inner shell and a metal busbar. In applications that require a right-angle electrical connection, the metal busbar needs to be bent 90 degrees. The metal busbar bent 90 degrees is an integral part and cannot be disassembled and assembled, which requires a larger installation space, resulting in the connector being too large and difficult to miniaturize. In addition, it is difficult for the connector at the battery pack end in the prior art to simultaneously have functions such as waterproof sealing, electromagnetic shielding, high-voltage interlocking and finger protection. Utility Model Content

[0003] The purpose of the present invention is to solve at least one aspect of the above-mentioned problems and defects in the prior art.

[0004] According to one aspect of the utility model, a fastener is provided. The fastener has an outer flange and a threaded hole at one end thereof and a stud portion at the other end thereof; the stud portion of the fastener is suitable for passing through a conductive sleeve and being threadedly connected to a conductive terminal, the outer flange of the fastener is suitable for axially abutting against one end of the conductive sleeve, so that the fastener can vertically fasten the conductive sleeve to the conductive terminal; the threaded hole of the fastener is suitable for threaded connection with a bolt, so that the mating terminal can be fastened to one end of the conductive sleeve by the bolt.

[0005] According to an exemplary embodiment of the present invention, the outer flange is formed on the outer circumferential surface of one end of the fastener and is suitable for axially abutting against the end surface of one end of the conductive sleeve and the peripheral portion surrounding the central through hole of the conductive sleeve.

[0006] According to another exemplary embodiment of the utility model, a circle of grooves is formed on the outer peripheral surface of one end of the fastener, and the circle of grooves is adjacent to the outer flange and closer to the end surface of one end of the fastener; the grooves on the fastener are used to engage with the inner flange of the insulating end cap, so that the insulating end cap can be fixed to one end of the fastener.

[0007] According to another exemplary embodiment of the utility model, the fastener also has an operating portion suitable for engaging with an operating tool so that the fastener can be tightened or loosened by the operating tool engaged with the operating portion; the operating portion is located between the outer flange and the slot and its cross-section is polygonal.

[0008] According to another exemplary embodiment of the present invention, the fastener is columnar, and the threaded hole of the fastener extends axially from an end surface of one end of the fastener and does not penetrate the fastener.

[0009] According to another aspect of the utility model, an electrical connection module is provided. The electrical connection module comprises: the aforementioned fastener; a conductive terminal having a threaded connection hole formed at one end thereof; and a conductive sleeve for electrically connecting the conductive terminal and a mating terminal. The stud portion of the fastener passes through the conductive sleeve and is threadedly connected to the threaded connection hole of the conductive terminal, and the outer flange of the fastener axially abuts against one end of the conductive sleeve, so that the conductive sleeve is vertically fastened to one end of the conductive terminal. The threaded hole of the fastener is suitable for threaded connection with a bolt, so that the mating terminal can be fastened to one end of the conductive sleeve by the bolt.

[0010] According to an exemplary embodiment of the utility model, the end face of one end of the conductive sleeve is suitable for electrically contacting with the end face of the mating terminal to achieve electrical connection between the conductive sleeve and the mating terminal; the end face of the other end of the conductive sleeve is electrically contacted with the surface of the conductive terminal to achieve electrical connection between the conductive sleeve and the conductive terminal.

[0011] According to another exemplary embodiment of the present invention, the conductive terminal is flat and has two flat surfaces opposite to each other in its thickness direction, and the end surface of the other end of the conductive sleeve is in electrical contact with the flat surface of the conductive terminal.

[0012] According to another exemplary embodiment of the present utility model, the electrical connection module further includes: an insulating end cap mounted on one end of the fastener to prevent a person's fingers from touching the end of the fastener.

[0013] According to another exemplary embodiment of the present invention, the insulating end cap has an inner flange, and the inner flange is engaged in a groove at one end of the fastener to fix the insulating end cap to the one end of the fastener.

[0014] According to another exemplary embodiment of the present utility model, the conductive terminal and the conductive sleeve are copper components, and the fastener is a steel component.

[0015] According to another exemplary embodiment of the present utility model, the conductive terminal is flat, having a longitudinal direction and a transverse direction, and the axial direction of the conductive sleeve is perpendicular to the longitudinal direction and the transverse direction of the conductive terminal.

[0016] According to another aspect of the utility model, a connector is provided, comprising: an outer shielding shell; an insulating inner shell arranged in the outer shielding shell; and the aforementioned electrical connection module arranged in the insulating inner shell.

[0017] According to an exemplary embodiment of the utility model, the insulating inner shell includes: a first insulating shell having an insertion cavity and a mounting opening formed on the top wall of the insertion cavity; and a second insulating shell having a base and a cylindrical portion formed on the base. The base of the second insulating shell is assembled onto the top of the first insulating shell, and the lower end of the cylindrical portion of the second insulating shell is inserted into the mounting opening of the first insulating shell; the conductive terminal of the electrical connection module is inserted into the insertion cavity of the first insulating shell, and the conductive sleeve of the electrical connection module is inserted into the cylindrical portion of the second insulating shell.

[0018] According to another exemplary embodiment of the present invention, an elastic buckle is formed at the lower end of the cylindrical portion of the second insulating shell, and the elastic buckle is engaged to the edge portion on the inner side of the mounting opening of the first insulating shell to fix the second insulating shell to the first insulating shell.

[0019] According to another exemplary embodiment of the utility model, the lower end of the fastener of the electrical connection module is threadedly connected to the conductive terminal, and the insulating end cap of the electrical connection module is sleeved onto the upper end of the fastener to prevent human fingers from touching the upper end of the fastener.

[0020] According to another exemplary embodiment of the utility model, the insulating end cap is located in the cylindrical portion of the second insulating shell, and the cylindrical portion of the second insulating shell extends upward beyond the upper end of the fastener; the gap between the insulating end cap and the cylindrical portion of the second insulating shell is smaller than a human finger, so that a human finger cannot be inserted between the insulating end cap and the cylindrical portion, thereby preventing a human finger from contacting the conductive sleeve and the conductive terminal.

[0021] According to another exemplary embodiment of the utility model, the outer shielding shell includes a front end wall and a rear port opposite to each other in its longitudinal direction, a top opening and a bottom wall opposite to each other in its height direction, and two side walls opposite to each other in its transverse direction; the first insulating shell is inserted into the outer shielding shell from the rear port of the outer shielding shell, and the base of the second insulating shell is installed in the top opening of the outer shielding shell.

[0022] According to another exemplary embodiment of the utility model, a plurality of positioning grooves are formed on the peripheral wall of the top opening of the outer shielding shell, and a plurality of positioning protrusions are formed on the outer peripheral surface of the base of the second insulating shell, and the plurality of positioning protrusions are respectively engaged in the plurality of positioning grooves to support and position the second insulating shell in the top opening of the outer shielding shell.

[0023] According to another exemplary embodiment of the utility model, the connector includes two electrical connection modules, and the two electrical connection modules are arranged side by side in the transverse direction of the outer shielding shell; two insertion cavities arranged side by side in the transverse direction are formed in the first insulating shell, and the conductive terminals of the two electrical connection modules are respectively inserted into the two insertion cavities; two cylindrical portions arranged side by side in the transverse direction are formed on the second insulating shell, and the conductive sleeves of the two electrical connection modules are respectively inserted in the two cylindrical portions.

[0024] According to another exemplary embodiment of the utility model, the connector further comprises: a detection module, which is installed in the insulating inner shell and located between the two electrical connection modules, and is used to mate with the matching detection module of the matching connector. After the connector is matched with the matching connector, the conductive terminals of the connector are electrically connected with the matching terminals of the matching connector to connect the high-voltage load circuit; after the connector is matched with the matching connector, the detection module is matched with the matching detection module to connect the low-voltage control circuit and control the power supply of the low-voltage control circuit to supply power to the high-voltage load circuit.

[0025] According to another exemplary embodiment of the utility model, mounting holes are formed on the top wall of the first insulating shell and the base of the second insulating shell, respectively. The detection module includes: an insulating retainer, which is inserted into the mounting holes of the first insulating shell and the second insulating shell; two detection terminals, which are arranged in the insulating retainer; and two connecting wires, which are electrically connected to the two detection terminals, respectively. A jack is formed in the first insulating shell, and the two connecting wires are led out from the jack of the first insulating shell for being electrically connected to the low-voltage control circuit.

[0026] According to another exemplary embodiment of the utility model, the outer shielding shell has a flange portion formed on its rear end, the flange portion is used to be installed on a mounting panel and a sealing ring mounting groove is formed on the flange portion; the connector also includes a sealing ring installed in the sealing ring mounting groove, and the sealing ring is suitable for being axially squeezed between the flange portion and the mounting panel to achieve sealing between the two.

[0027] According to another exemplary embodiment of the utility model, the mounting panel is the outer shell of the device, and the conductive terminals and the connecting wires are led out from the rear port of the outer shielding shell for being electrically connected to the high-voltage load circuit and the low-voltage control circuit in the device respectively.

[0028] According to another exemplary embodiment of the present invention, the device is a battery pack, and the conductive terminals and the connecting wires are led out from the rear port of the outer shielding shell for being electrically connected to the rechargeable battery and the control unit in the battery pack, respectively.

[0029] In the aforementioned various exemplary embodiments according to the utility model, the fastener, the conductive sleeve and the conductive terminal can be disassembled and assembled, so the installation space required by them is smaller, thereby being able to reduce the size of the connector and realizing the miniaturization of the connector.

[0030] In addition, in some of the aforementioned exemplary embodiments of the present invention, the connector is not only compact in structure, but also has functions such as waterproof sealing, electromagnetic shielding, high-voltage interlocking and finger protection.

[0031] Other objects and advantages of the present invention will become apparent from the following description of the present invention with reference to the accompanying drawings, which will help to provide a comprehensive understanding of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 A three-dimensional schematic diagram showing a connector according to an exemplary embodiment of the utility model;

[0033] Figure 2 A longitudinal cross-sectional view showing a connector according to an exemplary embodiment of the present utility model;

[0034] Figure 3 A perspective schematic diagram showing an outer shielding shell of a connector according to an exemplary embodiment of the utility model;

[0035] Figure 4 Another longitudinal cross-sectional view showing a connector according to an exemplary embodiment of the present invention;

[0036] Figure 5 A longitudinal cross-sectional view showing a connector according to an exemplary embodiment of the present invention, wherein the outer shielding shell is not shown;

[0037] Figure 6 A three-dimensional schematic diagram showing an electrical connection module of a connector according to an exemplary embodiment of the utility model;

[0038] Figure 7 A cross-sectional view showing an electrical connection module of a connector according to an exemplary embodiment of the present utility model;

[0039] Figure 8 The exploded schematic diagram shows an electrical connection module of a connector according to an exemplary embodiment of the present utility model. DETAILED DESCRIPTION

[0040] The technical solution of the utility model is further specifically described below through examples and in combination with the accompanying drawings. In the specification, the same or similar reference numerals indicate the same or similar components. The following description of the implementation mode of the utility model with reference to the accompanying drawings is intended to explain the overall utility model concept of the utility model, and should not be understood as a limitation of the utility model.

[0041] In addition, in the detailed description below, for ease of explanation, many specific details are set forth to provide a comprehensive understanding of the disclosed embodiments. However, it is apparent that one or more embodiments may be implemented without these specific details. In other cases, known structures and devices are embodied in a schematic manner to simplify the accompanying drawings.

[0042] According to an overall technical concept of the utility model, a fastener is provided. The fastener has an outer flange and a threaded hole at one end thereof and a stud portion at the other end thereof; the stud portion of the fastener is suitable for passing through a conductive sleeve and being threadedly connected to a conductive terminal, the outer flange of the fastener is suitable for axially abutting against one end of the conductive sleeve, so that the fastener can vertically fasten the conductive sleeve to the conductive terminal; the threaded hole of the fastener is suitable for threaded connection with a bolt, so that the mating terminal can be fastened to one end of the conductive sleeve by the bolt.

[0043] According to another overall technical concept of the utility model, an electrical connection module is provided. The electrical connection module includes: the aforementioned fastener; a conductive terminal, one end of which is formed with a threaded connection hole; and a conductive sleeve, which is used to electrically connect the conductive terminal and the mating terminal. The stud portion of the fastener passes through the conductive sleeve and is threadedly connected to the threaded connection hole of the conductive terminal, and the outer flange of the fastener axially abuts against one end of the conductive sleeve, so that the conductive sleeve is vertically fastened to one end of the conductive terminal. The threaded hole of the fastener is suitable for threaded connection with a bolt, so that the mating terminal can be fastened to one end of the conductive sleeve by the bolt.

[0044] According to another general technical concept of the utility model, a connector is provided, which includes: an outer shielding shell; an insulating inner shell arranged in the outer shielding shell; and the aforementioned electrical connection module arranged in the insulating inner shell.

[0045] Figure 1 A three-dimensional schematic diagram showing a connector according to an exemplary embodiment of the utility model; Figure 2 A longitudinal cross-sectional view showing a connector according to an exemplary embodiment of the present utility model; Figure 3 A three-dimensional schematic diagram showing an outer shielding shell 1 of a connector according to an exemplary embodiment of the utility model; Figure 4 Another longitudinal cross-sectional view showing a connector according to an exemplary embodiment of the present invention; Figure 5 A longitudinal cross-sectional view of a connector according to an exemplary embodiment of the present utility model is shown, wherein the outer shielding shell 1 is not shown; Figure 6 A three-dimensional schematic diagram showing an electrical connection module 3 of a connector according to an exemplary embodiment of the present utility model; Figure 7 A cross-sectional view showing an electrical connection module 3 of a connector according to an exemplary embodiment of the present utility model; Figure 8 The exploded schematic diagram shows an electrical connection module 3 of a connector according to an exemplary embodiment of the present utility model.

[0046] like Figures 1 to 8 As shown, in an exemplary embodiment of the utility model, a fastener 33 is disclosed. The fastener 33 has an outer flange 33c and a threaded hole 33a at one end thereof and a stud portion 33b at the other end thereof. The stud portion 33b of the fastener 33 is suitable for passing through the conductive sleeve 32 and being threadedly connected to the conductive terminal 31, and the outer flange 33c of the fastener 33 is suitable for axially abutting against one end of the conductive sleeve 32, so that the fastener 33 can vertically fasten the conductive sleeve 32 to the conductive terminal 31. The threaded hole 33a of the fastener 33 is suitable for being threadedly connected with a bolt (not shown), so that the mating terminal (not shown) can be fastened to one end of the conductive sleeve 32 by the bolt (not shown).

[0047] like Figures 1 to 8 As shown, in the illustrated embodiment, an outer flange 33c is formed on the outer peripheral surface of one end of the fastener 33 and is adapted to axially abut against the end surface of one end of the conductive sleeve 32 and the peripheral portion surrounding the central through hole 32a of the conductive sleeve 32.

[0048] like Figures 1 to 8 As shown, in the illustrated embodiment, a circle of grooves 33d is formed on the outer circumferential surface of one end of the fastener 33, and the circle of grooves 33d is adjacent to the outer flange 33c and closer to the end surface of one end of the fastener 33. The grooves 33d on the fastener 33 are used to engage with the inner flange 34d of the insulating end cap 34, so that the insulating end cap 34 can be fixed to one end of the fastener 33.

[0049] like Figures 1 to 8 As shown, in the illustrated embodiment, the fastener 33 also has an operating portion 33e adapted to engage with an operating tool, so that the fastener 33 can be tightened or loosened by the operating tool engaged with the operating portion 33e. The operating portion 33e is located between the outer flange 33c and the card groove 33d and has a polygonal cross section.

[0050] like Figures 1 to 8As shown, in the illustrated embodiment, the fastener 33 is columnar, and the threaded hole 33 a of the fastener 33 extends axially from an end surface of one end of the fastener 33 and does not penetrate the fastener 33 .

[0051] like Figures 1 to 8 As shown, in another exemplary embodiment of the utility model, an electrical connection module 3 is also disclosed. The electrical connection module 3 includes: a fastener 33, a conductive terminal 31 and a conductive sleeve 32. A threaded connection hole 31a is formed on one end of the conductive terminal 31. The conductive sleeve 32 is used to electrically connect the conductive terminal 31 and the mating terminal (not shown). The stud portion 33b of the fastener 33 passes through the conductive sleeve 32 and is threadedly connected to the threaded connection hole 31a of the conductive terminal 31, and the outer flange 33c of the fastener 33 axially abuts against one end of the conductive sleeve 32, so that the conductive sleeve 32 is vertically fastened to one end of the conductive terminal 31. The threaded hole 33a of the fastener 33 is suitable for being threadedly connected with a bolt (not shown), so that the mating terminal (not shown) can be fastened to one end of the conductive sleeve 32 by the bolt.

[0052] like Figures 1 to 8 As shown, in the illustrated embodiment, the end surface of one end of the conductive sleeve 32 is suitable for electrically contacting with the end surface of the mating terminal to achieve electrical connection between the conductive sleeve 32 and the mating terminal. The end surface of the other end of the conductive sleeve 32 is electrically contacted with the surface of the conductive terminal 31 to achieve electrical connection between the conductive sleeve 32 and the conductive terminal 31.

[0053] like Figures 1 to 8 As shown, in the illustrated embodiment, the conductive terminal 31 is flat and has two flat surfaces opposite to each other in the thickness direction thereof, and the end surface of the other end of the conductive sleeve 32 is in electrical contact with the flat surface of the conductive terminal 31 .

[0054] like Figures 1 to 8 As shown, in the illustrated embodiment, the electrical connection module 3 further includes an insulating end cap 34 , which is mounted on one end of the fastener 33 to prevent a person's fingers from touching the end of the fastener 33 .

[0055] like Figures 1 to 8 As shown, in the illustrated embodiment, the insulating end cap 34 has an inner flange 34 d , and the inner flange 34 d is engaged in the groove 33 d at one end of the fastener 33 to fix the insulating end cap 34 to the one end of the fastener 33 .

[0056] like Figures 1 to 8 As shown, in the illustrated embodiment, the conductive terminal 31 and the conductive sleeve 32 are copper components, and the fastener 33 is a steel component.

[0057] like Figures 1 to 8As shown, in the illustrated embodiment, the conductive terminal 31 is flat, having a longitudinal direction Y and a transverse direction X, and the axial direction of the conductive sleeve 32 is perpendicular to the longitudinal direction Y and the transverse direction X of the conductive terminal 31 .

[0058] like Figures 1 to 8 As shown, in another exemplary embodiment of the present invention, a connector is also disclosed. The connector comprises: an outer shielding shell 1, an insulating inner shell 2 and the aforementioned electrical connection module 3. The insulating inner shell 2 is arranged in the outer shielding shell 1. The electrical connection module 3 is arranged in the insulating inner shell 2.

[0059] like Figures 1 to 8 As shown, in the illustrated embodiment, the insulating inner shell 2 includes: a first insulating shell 21 and a second insulating shell 22. The first insulating shell 21 has an insertion cavity 201 and a mounting port 202 formed on the top wall of the insertion cavity 201. The second insulating shell 22 has a base 220 and a cylindrical portion 221 formed on the base 220. The base 220 of the second insulating shell 22 is assembled to the top of the first insulating shell 21, and the lower end of the cylindrical portion 221 of the second insulating shell 22 is inserted into the mounting port 202 of the first insulating shell 21. The conductive terminal 31 of the electrical connection module 3 is inserted into the insertion cavity 201 of the first insulating shell 21, and the conductive sleeve 32 of the electrical connection module 3 is inserted into the cylindrical portion 221 of the second insulating shell 22.

[0060] like Figures 1 to 8 As shown, in the illustrated embodiment, an elastic buckle 221a is formed at the lower end of the cylindrical portion 221 of the second insulating shell 22, and the elastic buckle 221a is engaged to the edge portion on the inner side of the mounting opening 202 of the first insulating shell 21 to fix the second insulating shell 22 to the first insulating shell 21.

[0061] like Figures 1 to 8 As shown, in the illustrated embodiment, the lower end of the fastener 33 of the electrical connection module 3 is threadedly connected to the conductive terminal 31, and the insulating end cap 34 of the electrical connection module 3 is sleeved onto the upper end of the fastener 33 to prevent human fingers from touching the upper end of the fastener 33.

[0062] like Figures 1 to 8 As shown, in the illustrated embodiment, the insulating end cap 34 is located in the cylindrical portion 221 of the second insulating shell 22, and the cylindrical portion 221 of the second insulating shell 22 extends upward beyond the upper end of the fastener 33. The gap between the insulating end cap 34 and the cylindrical portion 221 of the second insulating shell 22 is smaller than a human finger, so that a human finger cannot be inserted between the insulating end cap 34 and the cylindrical portion 221, so as to prevent the human finger from contacting the conductive sleeve 32 and the conductive terminal 31.

[0063] like Figures 1 to 8As shown, in the illustrated embodiment, the outer shield shell 1 includes a front end wall and a rear port 102 opposite to each other in the longitudinal direction Y, a top opening 101 and a bottom wall opposite to each other in the height direction Z, and two side walls opposite to each other in the transverse direction X. The first insulating shell 21 is inserted into the outer shield shell 1 from the rear port 102 of the outer shield shell 1, and the base 220 of the second insulating shell 22 is installed in the top opening 101 of the outer shield shell 1.

[0064] like Figures 1 to 8 As shown, in the illustrated embodiment, a plurality of positioning grooves 101a are formed on the peripheral wall of the top opening 101 of the outer shielding shell 1, and a plurality of positioning protrusions 220a are formed on the outer peripheral surface of the base 220 of the second insulating shell 22, and the plurality of positioning protrusions 220a are respectively engaged in the plurality of positioning grooves 101a to support and position the second insulating shell 22 in the top opening 101 of the outer shielding shell 1.

[0065] like Figures 1 to 8 As shown, in the illustrated embodiment, the connector includes two electrical connection modules 3, and the two electrical connection modules 3 are arranged side by side in the transverse direction X of the outer shielding shell 1. Two insertion cavities 201 arranged side by side in the transverse direction X are formed in the first insulating shell 21, and the conductive terminals 31 of the two electrical connection modules 3 are respectively inserted into the two insertion cavities 201. Two cylindrical portions 221 arranged side by side in the transverse direction X are formed on the second insulating shell 22, and the conductive sleeves 32 of the two electrical connection modules 3 are respectively inserted into the two cylindrical portions 221.

[0066] like Figures 1 to 8 As shown, in the illustrated embodiment, the connector also includes a detection module 4, which is installed in the insulating inner shell 2 and located between the two electrical connection modules 3, and is used to mate with a mating detection module (not shown) of a mating connector (not shown).

[0067] like Figures 1 to 8 As shown, in the illustrated embodiment, after the connector is mated with the mating connector, the conductive terminals 31 of the connector are electrically connected with the mating terminals of the mating connector to connect the high voltage load circuit (not shown).

[0068] like Figures 1 to 8 As shown, in the illustrated embodiment, after the connector is mated with the mating connector, the detection module 4 is mated with the mating detection module to connect the low-voltage control circuit and supply power to the high-voltage load circuit through the low-voltage control circuit (not shown) and the control power supply (not shown). After the connector is separated from the mating connector, the detection module 4 is separated from the mating detection module, the low-voltage control circuit is disconnected, and the control power supply stops supplying power to the high-voltage load circuit.

[0069] like Figures 1 to 8As shown, in the illustrated embodiment, mounting holes 204 are respectively formed on the top wall of the first insulating shell 21 and the base 220 of the second insulating shell 22. The detection module 4 includes: an insulating retaining body 40, two detection terminals 42 and two connecting wires 41. The insulating retaining body 40 is inserted into the mounting holes 204 of the first insulating shell 21 and the second insulating shell 22. The two detection terminals 42 are arranged in the insulating retaining body 40. The two connecting wires 41 are electrically connected to the two detection terminals 42 respectively. A jack 203 is formed in the first insulating shell 21, and the two connecting wires 41 are led out from the jack 203 of the first insulating shell 21 for being electrically connected to the low-voltage control circuit.

[0070] like Figures 1 to 8 As shown, in the illustrated embodiment, the outer shield shell 1 has a flange portion 10 formed on its rear end, the flange portion 10 is used to be mounted on the mounting panel and a sealing ring mounting groove 10a is formed on the flange portion 10. The connector also includes a sealing ring 5 mounted in the sealing ring mounting groove 10a, and the sealing ring 5 is suitable for being axially squeezed between the flange portion 10 and the mounting panel to achieve sealing between the two.

[0071] like Figures 1 to 8 As shown, in the illustrated embodiment, the mounting panel is the outer shell of the device, and the conductive terminals 31 and the connecting wires 41 are led out from the rear port 102 of the outer shielding shell 1 for being electrically connected to the high-voltage load circuit and the low-voltage control circuit in the device respectively.

[0072] like Figures 1 to 8 As shown, in an exemplary embodiment of the present invention, the aforementioned device may be a battery pack, and the conductive terminal 31 and the connecting wire 41 are led out from the rear port 102 of the outer shielding shell 1 for being electrically connected to the rechargeable battery and the control unit in the battery pack respectively.

[0073] Those skilled in the art will appreciate that the embodiments described above are exemplary and can be improved upon by those skilled in the art. The structures described in the various embodiments can be freely combined without causing any conflicts in structure or principle, and these changes should fall within the scope of protection of the present utility model.

[0074] Although the present invention has been described in conjunction with the accompanying drawings, the embodiments disclosed in the accompanying drawings are intended to exemplify the preferred implementation modes of the present invention and should not be construed as limiting the present invention.

[0075] Although some embodiments of the general inventive concept have been shown and described, it will be appreciated by those skilled in the art that changes may be made to these embodiments without departing from the principles and spirit of the general inventive concept, the scope of which is defined by the claims and their equivalents.

[0076] It should be noted that the word "comprising" does not exclude other elements or steps, and the word "a" or "an" does not exclude a plurality. In addition, any element number of the claims should not be construed as limiting the scope of the present invention.

Claims

1. A fastener, characterized in that: The fastener (33) has an outer flange (33c) and a threaded hole (33a) at one end thereof and a stud portion (33b) at the other end thereof; The stud portion (33b) of the fastener (33) is suitable for passing through the conductive sleeve (32) and being threadedly connected to the conductive terminal (31), and the outer flange (33c) of the fastener (33) is suitable for axially abutting against one end of the conductive sleeve (32), so that the fastener (33) can vertically fasten the conductive sleeve (32) to the conductive terminal (31); The threaded hole (33a) of the fastener (33) is suitable for being threadedly connected with a bolt, so that the mating terminal can be fastened to one end of the conductive sleeve (32) by the bolt.

2. The fastener according to claim 1, characterized in that: The outer flange (33c) is formed on the outer peripheral surface of one end of the fastener (33) and is suitable for axially abutting against the end surface of one end of the conductive sleeve (32) and the peripheral portion surrounding the central through hole (32a) of the conductive sleeve (32).

3. The fastener according to claim 1, characterized in that: A circle of grooves (33d) is formed on the outer peripheral surface of one end of the fastener (33), and the circle of grooves (33d) is adjacent to the outer flange (33c) and closer to the end surface of one end of the fastener (33); The groove (33d) on the fastener (33) is used to engage with the inner flange (34d) of the insulating end cap (34), so that the insulating end cap (34) can be fixed to one end of the fastener (33).

4. The fastener according to claim 3, characterized in that: The fastener (33) also has an operating portion (33e) adapted to engage with an operating tool, so that the fastener (33) can be tightened or loosened by the operating tool engaged with the operating portion (33e); The operating portion (33e) is located between the outer flange (33c) and the clamping groove (33d) and has a polygonal cross section.

5. The fastener according to claim 1, characterized in that: The fastener (33) is columnar, and the threaded hole (33a) of the fastener (33) extends axially from an end surface of one end of the fastener (33) and does not penetrate the fastener (33).

6. An electrical connection module, characterized in that: include: The fastener (33) according to any one of claims 1 to 5; a conductive terminal (31) having a threaded connection hole (31a) formed at one end thereof; and A conductive sleeve (32) is used to electrically connect the conductive terminal (31) and the mating terminal. The stud portion (33b) of the fastener (33) passes through the conductive sleeve (32) and is threadedly connected to the threaded connection hole (31a) of the conductive terminal (31), and the outer flange (33c) of the fastener (33) axially abuts against one end of the conductive sleeve (32), so that the conductive sleeve (32) is vertically fastened to one end of the conductive terminal (31). The threaded hole (33a) of the fastener (33) is suitable for being threadedly connected with a bolt, so that the mating terminal can be fastened to one end of the conductive sleeve (32) by the bolt.

7. The electrical connection module according to claim 6, characterized in that: An end surface of one end of the conductive sleeve (32) is suitable for electrically contacting an end surface of the mating terminal, so as to realize electrical connection between the conductive sleeve (32) and the mating terminal; The end surface of the other end of the conductive sleeve (32) is in electrical contact with the surface of the conductive terminal (31) to achieve electrical connection between the conductive sleeve (32) and the conductive terminal (31).

8. The electrical connection module according to claim 7, characterized in that: The conductive terminal (31) is flat and has two flat surfaces facing each other in the thickness direction thereof, and the end surface of the other end of the conductive sleeve (32) is in electrical contact with the flat surface of the conductive terminal (31).

9. The electrical connection module according to claim 6, characterized in that: Also includes: An insulating end cap (34) is mounted on one end of the fastener (33) to prevent a person's fingers from touching the end of the fastener (33).

10. The electrical connection module according to claim 9, characterized in that: The insulating end cap (34) has an inner flange (34d) which is engaged in a groove (33d) at one end of the fastener (33) to fix the insulating end cap (34) to one end of the fastener (33).

11. The electrical connection module according to claim 6, characterized in that: The conductive terminal (31) and the conductive sleeve (32) are copper components, and the fastener (33) is a steel component.

12. The electrical connection module according to any one of claims 6 to 11, characterized in that: The conductive terminal (31) is flat and has a longitudinal direction (Y) and a transverse direction (X), and the axial direction of the conductive sleeve (32) is perpendicular to the longitudinal direction (Y) and the transverse direction (X) of the conductive terminal (31).

13. A connector, characterized in that: include: Outer shielding shell (1); An insulating inner shell (2) is arranged in the outer shielding shell (1); and The electrical connection module (3) according to any one of claims 6 to 12 is arranged in the insulating inner shell (2).

14. The connector according to claim 13, characterized in that: The insulating inner shell (2) comprises: A first insulating shell (21) having an insertion cavity (201) and a mounting opening (202) formed on a top wall of the insertion cavity (201); and The second insulating shell (22) has a base (220) and a cylindrical portion (221) formed on the base (220). The base (220) of the second insulating shell (22) is assembled onto the top of the first insulating shell (21), and the lower end of the cylindrical portion (221) of the second insulating shell (22) is inserted into the installation opening (202) of the first insulating shell (21). The conductive terminal (31) of the electrical connection module (3) is inserted into the insertion cavity (201) of the first insulating shell (21), and the conductive sleeve (32) of the electrical connection module (3) is inserted into the cylindrical portion (221) of the second insulating shell (22).

15. The connector according to claim 14, characterized in that: An elastic buckle (221a) is formed at the lower end of the cylindrical portion (221) of the second insulating shell (22), and the elastic buckle (221a) is engaged with the inner edge portion of the mounting opening (202) of the first insulating shell (21) to fix the second insulating shell (22) to the first insulating shell (21).

16. The connector according to claim 14, characterized in that: The lower end of the fastener (33) of the electrical connection module (3) is threadedly connected to the conductive terminal (31), and the insulating end cap (34) of the electrical connection module (3) is fitted onto the upper end of the fastener (33) to prevent human fingers from contacting the upper end of the fastener (33).

17. The connector according to claim 16, characterized in that: The insulating end cap (34) is located in the cylindrical portion (221) of the second insulating shell (22), and the cylindrical portion (221) of the second insulating shell (22) extends upward beyond the upper end of the fastener (33); The gap between the insulating end cap (34) and the cylindrical portion (221) of the second insulating shell (22) is smaller than a human finger, so that a human finger cannot be inserted between the insulating end cap (34) and the cylindrical portion (221), thereby preventing a human finger from contacting the conductive sleeve (32) and the conductive terminal (31).

18. The connector according to claim 14, characterized in that: The outer shielding shell (1) comprises a front end wall and a rear port (102) opposite to each other in its longitudinal direction (Y), a top opening (101) and a bottom wall opposite to each other in its height direction (Z), and two side walls opposite to each other in its transverse direction (X); The first insulating shell (21) is inserted into the outer shielding shell (1) from the rear port (102) of the outer shielding shell (1), and the base (220) of the second insulating shell (22) is installed in the top opening (101) of the outer shielding shell (1).

19. The connector according to claim 18, characterized in that: A plurality of positioning grooves (101a) are formed on the peripheral wall of the top opening (101) of the outer shielding shell (1), and a plurality of positioning protrusions (220a) are formed on the outer peripheral surface of the base (220) of the second insulating shell (22), and the plurality of positioning protrusions (220a) are respectively engaged in the plurality of positioning grooves (101a) to support and position the second insulating shell (22) in the top opening (101) of the outer shielding shell (1).

20. The connector according to claim 18, characterized in that: The connector comprises two electrical connection modules (3), and the two electrical connection modules (3) are arranged side by side in a transverse direction (X) of the outer shielding shell (1); Two insertion cavities (201) arranged side by side in the transverse direction (X) are formed in the first insulating shell (21), and the conductive terminals (31) of the two electrical connection modules (3) are respectively inserted into the two insertion cavities (201); The second insulating shell (22) is provided with two cylindrical portions (221) arranged side by side in the transverse direction (X), and the conductive sleeves (32) of the two electrical connection modules (3) are respectively inserted into the two cylindrical portions (221).

21. The connector according to claim 20, characterized in that Also includes: A detection module (4) is installed in the insulating inner shell (2) and located between the two electrical connection modules (3), and is used to mate with a mating detection module of a mating connector. After the connector is mated with the mating connector, the conductive terminal (31) of the connector is electrically connected to the mating terminal of the mating connector to connect the high-voltage load circuit; After the connector is mated with the mating connector, the detection module (4) is mated with the mating detection module to connect the low-voltage control loop and control the power supply to supply power to the high-voltage load loop through the low-voltage control loop.

22. The connector according to claim 21, characterized in that: Mounting holes (204) are respectively formed on the top wall of the first insulating shell (21) and the base (220) of the second insulating shell (22), The detection module (4) comprises: An insulating retaining body (40) is inserted into the mounting holes (204) of the first insulating shell (21) and the second insulating shell (22); Two detection terminals (42) are arranged in the insulating retaining body (40); and Two connecting wires (41) are electrically connected to the two detection terminals (42) respectively. A plug hole (203) is formed in the first insulating shell (21), and the two connecting wires (41) are led out from the plug hole (203) of the first insulating shell (21) for electrical connection to a low-voltage control circuit.

23. The connector according to any one of claims 18 to 22, characterized in that: The outer shielding shell (1) has a flange portion (10) formed on the rear end thereof, the flange portion (10) is used to be installed on the installation panel and a sealing ring installation groove (10a) is formed on the flange portion (10); The connector further comprises a sealing ring (5) installed in the sealing ring installation groove (10a), wherein the sealing ring (5) is suitable for being axially pressed between the flange portion (10) and the installation panel to achieve sealing between the two.

24. The connector according to claim 23, characterized in that: The installation panel is the outer shell of the device, and the conductive terminal (31) and the connecting wire (41) are led out from the rear port (102) of the outer shielding shell (1) and are used to be electrically connected to the high-voltage load circuit and the low-voltage control circuit in the device respectively.

25. The connector according to claim 24, characterized in that: The device is a battery pack, and the conductive terminal (31) and the connecting wire (41) are led out from the rear port (102) of the outer shielding shell (1) and are used to be electrically connected to the rechargeable battery and the control unit in the battery pack respectively.

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