Fastener, electric connection module, and connector

The fastener with a threaded rod and outer flange, combined with a conductive sleeve and insulating end cap, addresses the challenges of miniaturization and functional integration in battery pack connectors, enabling compact design with integrated sealing and shielding.

JP2025161777APending Publication Date: 2025-10-24TYCO ELECTRONICS (SHANGHAI) CO LTD
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Patent Information

Application Number
JP2025064033
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-04-12
Filing Date
2025-04-09
Publication Date
2025-10-24

AI Technical Summary

Technical Problem

Existing battery pack end connectors face challenges in achieving miniaturization due to a single, non-disassemblable 90-degree bent metal rod, requiring large mounting space, and struggle to provide functions like waterproof sealing, electromagnetic shielding, high-voltage interlocking, and finger protection simultaneously.

Method used

A fastener with a threaded rod and outer flange for vertical fastening, a conductive sleeve, and a bolt connection, along with an insulating end cap and elastic buckle, allows for disassembly and assembly, reducing size and incorporating waterproof sealing, electromagnetic shielding, and finger protection.

Benefits of technology

The solution enables a compact connector structure that achieves miniaturization while providing waterproof sealing, electromagnetic shielding, high-voltage interlocking, and finger protection.

✦ Generated by Eureka AI based on patent content.

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Abstract

To provide a connector of which the downsizing is realized.SOLUTION: A fastener 33 comprises an outer flange 33c, a screw hole 33a which is disposed in one end portion, and a screw rod 33b which is disposed in the other end portion. The screw rod 33b of the fastener 33 penetrates a conductive sleeve 32 and is screwed to a conductive terminal 31, and the outer flange 33c of the fastener 33 is placed in an axial direction in one end portion of the conductive sleeve 32. Therefore, the conductive sleeve 32 of the fastener 33 can be vertically fixed to the conductive terminal 31 and the screw hole 33a of the fastener 33 is suitable for screwing to a bolt, such that a mating terminal can be fixed to one end portion of the conductive sleeve 32 by the bolt. The fastener, the conductive sleeve and the conductive terminal can be disassembled and assembled, such that a required mounting space is reduced and a size of a connector is reduced. Thus, downsizing of the connector is realized.SELECTED DRAWING: Figure 7
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Description

[Technical Field]

[0001] CROSS-REFERENCE TO RELATED APPLICATIONS This application claims the benefit of Chinese Patent Application No. CN202420766578.7, filed with the State Intellectual Property Office of China on April 12, 2024, the entire disclosure of which is incorporated herein by reference.

[0002] The present invention relates to a fastener, an electrical connection module including the fastener, and a connector including the electrical connection module. [Background technology]

[0003] In the prior art, battery pack end connectors typically include a shielded outer shell, an insulating inner housing, and a metal rod. Applications requiring a right-angle electrical connection require the metal rod to be bent 90 degrees. The 90-degree bent metal rod is a single component that cannot be disassembled or reassembled, and requires a large mounting space, making the connector too large and making it difficult to achieve miniaturization. Additionally, prior art battery pack end connectors have difficulty simultaneously providing functions such as waterproof sealing, electromagnetic shielding, high-voltage interlocking, and finger protection. Summary of the Invention [Problem to be solved by the invention]

[0004] The present invention has been made to overcome or mitigate at least one aspect of the above disadvantages. [Means for solving the problem]

[0005] According to an aspect of the present invention, there is provided a fastener comprising an outer flange, a threaded hole disposed at one end, and a threaded rod disposed at the other end, the threaded rod of the fastener being configured to be threadedly fastened to a conductive terminal through a conductive sleeve, the outer flange of the fastener being configured to be axially positioned at one end of the conductive sleeve so that the fastener can vertically fasten the conductive sleeve to the conductive terminal, and the threaded hole of the fastener being suitable for threaded connection with a bolt so that a mating terminal can be fastened to the one end of the conductive sleeve by the bolt.

[0006] According to an exemplary embodiment of the present invention, an outer flange is formed on the outer circumferential surface of one end of the fastener and is adapted to axially contact the end face of one end of the conductive sleeve.

[0007] According to another exemplary embodiment of the present invention, a circular groove is formed on the outer peripheral surface of one end of the fastener, the circular groove being adjacent to the outer flange and close to the end face of the one end of the fastener, and the circular groove of the fastener is used to engage with the inner flange of the insulating end cap, thus securing the insulating end cap to the one end of the fastener.

[0008] According to another exemplary embodiment of the present invention, the fastener also has an operating portion suitable for engaging with an operating tool, such that the fastener can be tightened or loosened by the operating tool engaged with the operating portion, and the operating portion is disposed between the outer flange and the circular groove and has a polygonal cross section.

[0009] According to another exemplary embodiment of the present invention, the fastener is cylindrical in shape, and the threaded hole of the fastener extends axially from an end face of one end of the fastener, but does not pass through the fastener.

[0010] According to another aspect of the present invention, there is provided an electrical connection module comprising the fastener described above, a conductive terminal having a screw connection hole formed at one end thereof, and a conductive sleeve for electrically connecting the conductive terminal to a mating terminal. The threaded rod of the fastener passes through the conductive sleeve and is screwed into the screw connection hole of the conductive terminal, the outer flange of the fastener is axially pressed against the one end of the conductive sleeve, thereby fixing the conductive sleeve perpendicularly to the one end of the conductive terminal, and the screw hole of the fastener is suitable for screw connection to a bolt, thereby fixing the mating terminal to the one end of the conductive sleeve by the bolt.

[0011] According to another exemplary embodiment of the present invention, an end face of one end of the conductive sleeve is suitable for electrically contacting an end face of the mating terminal to realize an electrical connection between the conductive sleeve and the mating terminal, and an end face of the other end of the conductive sleeve is in electrical contact with a surface of the conductive terminal to realize an electrical connection between the conductive sleeve and the conductive terminal.

[0012] According to another exemplary embodiment of the present invention, the conductive terminal is flat and has two flat surfaces opposite to each other in the thickness direction of the conductive terminal, and the end surface of the other end of the conductive sleeve is in electrical contact with the flat surfaces of the conductive terminal.

[0013] According to another exemplary embodiment of the present invention, the electrical connection module further comprises an insulating end cap, which is attached to one end of the fastener to prevent a person's fingers from contacting the one end of the fastener.

[0014] According to another exemplary embodiment of the present invention, the insulating end cap has an inner flange that engages a circular groove in one end of the fastener to secure the insulating end cap to the one end of the fastener.

[0015] According to another exemplary embodiment of the present invention, the conductive terminal and the conductive sleeve are copper parts and the fastener is a steel part.

[0016] According to another exemplary embodiment of the present invention, the conductive terminal is planar having a longitudinal direction and a lateral direction, and the axial direction of the conductive sleeve is perpendicular to the longitudinal and lateral directions of the conductive terminal.

[0017] According to another aspect of the present invention, there is provided a connector comprising an outer shielding shell, an insulating inner housing provided in the outer shielding shell, and the above-described electrical connection module provided in the insulating inner housing.

[0018] According to an exemplary embodiment of the present invention, the insulating inner housing includes a first insulating housing having an insertion cavity and a mounting port formed in an upper wall of the insertion cavity, and a second insulating housing having a base and a cylindrical portion formed in the base, the base of the second insulating housing is assembled to an upper part of the first insulating housing, the lower end of the cylindrical portion of the second insulating housing is inserted into the mounting port of the first insulating housing, the conductive terminals of the electrical connection module are inserted into the insertion cavity of the first insulating housing, and the conductive sleeves of the electrical connection module are inserted into the cylindrical portion of the second insulating housing.

[0019] 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 housing, and the elastic buckle is joined to the inner edge of the mounting port of the first insulating housing to secure the second insulating housing to the first insulating housing.

[0020] According to another exemplary embodiment of the present invention, the lower end of the fastener of the electrical connection module is screwed onto the conductive terminal, and an insulating end cap of the electrical connection module is fitted onto the upper end of the fastener to prevent human fingers from contacting the upper end of the fastener.

[0021] According to another exemplary embodiment of the present invention, the insulating end cap is disposed on the cylindrical portion of the second insulating housing, the cylindrical portion of the second insulating housing extends upward beyond the upper end of the fastener, and a gap between the insulating end cap and the cylindrical portion of the second insulating housing is smaller than a human finger, so that a human finger cannot be inserted between the insulating end cap and the cylindrical portion, preventing the human finger from contacting the conductive sleeve and the conductive terminal.

[0022] According to another exemplary embodiment of the present invention, the outer shield shell includes a front end wall and a rear port that are opposite in the longitudinal direction of the outer shield shell, a top opening and a bottom wall that are opposite in the height direction of the outer shield shell, and two side walls that are opposite in the lateral direction of the outer shield shell, and a first insulating housing is inserted into the outer shield shell from the rear port of the outer shield shell, and a base of a second insulating housing is attached to the top opening of the outer shield shell.

[0023] According to another exemplary embodiment of the present invention, a plurality of positioning slots are formed in the peripheral wall of the upper opening of the outer shield shell, and a plurality of positioning protrusions are formed on the outer peripheral surface of the base of the second insulating housing, and the plurality of positioning protrusions respectively engage with the plurality of positioning slots to support and position the second insulating housing in the upper opening of the outer shield shell.

[0024] According to another exemplary embodiment of the present invention, a connector comprises two electrical connection modules arranged side by side in the horizontal direction of an outer shielding shell, two insertion cavities arranged side by side in the horizontal direction are formed in a first insulating housing, conductive terminals of the two electrical connection modules are inserted into the two insertion cavities respectively, and two cylindrical portions arranged side by side in the horizontal direction are formed in a second insulating housing, conductive sleeves of the two electrical connection modules are inserted into the two cylindrical portions respectively.

[0025] According to another exemplary embodiment of the present invention, the connector further comprises a detection module, which is mounted in the insulating inner housing and disposed between the two electrical connection modules for mating with the mating detection module of the mating connector, and after the connector is mated with the mating connector, the conductive terminals of the connector are electrically connected to the mating terminals of the mating connector to connect the high-voltage load circuit, and after the connector is mated with the mating connector, the detection module is mated with the mating detection module to connect the low-voltage control circuit and control the power source to supply power to the high-voltage load circuit through the low-voltage control circuit.

[0026] According to another exemplary embodiment of the present invention, mounting holes are formed in the top wall of the first insulating housing and the base of the second insulating housing, respectively. The detection module includes an insulating holder inserted into the mounting holes of the first insulating housing and the base of the second insulating housing, two detection terminals provided on the insulating holder, and two connecting wires electrically connected to the two detection terminals, respectively. A socket is formed in the first insulating housing, and the two connecting wires are led out from the socket of the first insulating housing for electrical connection to a low-voltage control circuit.

[0027] According to another exemplary embodiment of the present invention, the outer shield shell has a flange portion formed at a rear end portion of the outer shield shell, the flange portion is used for mounting to the mounting panel and has a seal ring mounting groove formed in the flange portion, and the connector further includes a seal ring mounted in the seal ring mounting groove, and the seal ring is configured to be compressed in the axial direction between the flange portion and the mounting panel to achieve a seal between the flange portion and the mounting panel.

[0028] According to another exemplary embodiment of the present invention, the mounting panel is the outer shell of the device, and conductive terminals and connecting wires are routed out from the rear ports of the outer shielding shell for electrical connection to high voltage load circuitry and low voltage control circuitry, respectively, within the device.

[0029] According to another exemplary embodiment of the present invention, the device is a battery pack, and conductive terminals and connecting wires are led out from a rear port of the outer shielding shell for electrical connection to a rechargeable battery and a control unit, respectively, within the battery pack.

[0030] In the above exemplary embodiments according to the present invention, the fastener, the conductive sleeve, and the conductive terminal can be disassembled and assembled, which reduces the required mounting space, reduces the size of the connector, and enables miniaturization of the connector.

[0031] In addition, in the above exemplary embodiments of the present invention, the connector not only has a compact structure, but also has functions such as waterproof sealing, electromagnetic shielding, high voltage interlocking, and finger protection.

[0032] These and other features of the present invention will become more apparent from the detailed description of illustrative embodiments taken in conjunction with the accompanying drawings. [Brief explanation of the drawings]

[0033] [Figure 1] 1 is a diagrammatic perspective view of a connector according to an exemplary embodiment of the present invention; [Figure 2] 1 is a longitudinal cross-sectional view of a connector according to an exemplary embodiment of the present invention. [Figure 3] 1 is a diagrammatic perspective view of an outer shield shell of a connector according to an exemplary embodiment of the present invention; [Figure 4] 10 is another longitudinal cross-sectional view of a connector according to an exemplary embodiment of the present invention. [Figure 5] 1 is a longitudinal cross-sectional view of a connector according to an exemplary embodiment of the present invention, without showing the outer shielding shell. [Figure 6] 1 is a diagrammatic perspective view of an electrical connection module of a connector according to an exemplary embodiment of the present invention; [Figure 7] 1 is a cross-sectional view of an electrical connection module of a connector according to an exemplary embodiment of the present invention. [Figure 8] 1 is an illustration of an exploded view of an electrical connection module of a connector according to an exemplary embodiment of the present invention. DETAILED DESCRIPTION OF THE INVENTION

[0034] Exemplary embodiments of the present disclosure will now be described in detail with reference to the accompanying drawings. Like reference numerals refer to like elements throughout the drawings. However, the present disclosure may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the disclosure to those skilled in the art.

[0035] In the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the disclosed embodiments. It will be apparent, however, that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are diagrammatically shown to simplify the drawings.

[0036] According to a general concept of the present invention, there is provided a fastener comprising an outer flange, a threaded hole disposed at one end, and a threaded rod disposed at the other end, the threaded rod of the fastener being configured to be threadedly fastened to a conductive terminal through a conductive sleeve, the outer flange of the fastener being configured to be axially positioned at one end of the conductive sleeve so that the fastener can vertically fasten the conductive sleeve to the conductive terminal, and the threaded hole of the fastener being suitable for threaded connection with a bolt so that a mating terminal can be fastened to the one end of the conductive sleeve by the bolt.

[0037] According to another general aspect of the present invention, there is provided an electrical connection module comprising the fastener described above, a conductive terminal having a screw connection hole formed at one end thereof, and a conductive sleeve for electrically connecting the conductive terminal to a mating terminal, wherein the threaded rod of the fastener passes through the conductive sleeve and is screwed into the screw connection hole of the conductive terminal, the outer flange of the fastener is axially pressed against the one end of the conductive sleeve, thereby fixing the conductive sleeve perpendicularly to the one end of the conductive terminal, and the screw hole of the fastener is suitable for screw connection to a bolt, thereby fixing the mating terminal to the one end of the conductive sleeve by the bolt.

[0038] According to another general aspect of the present invention, there is provided a connector including an outer shielding shell, an insulating inner housing mounted on the outer shielding shell, and the above-described electrical connection module mounted on the insulating inner housing.

[0039] FIG. 1 is a diagrammatic perspective view of a connector according to an exemplary embodiment of the present invention. FIG. 2 is a diagrammatic longitudinal cross-sectional view of a connector according to an exemplary embodiment of the present invention. FIG. 3 is a diagrammatic perspective view of an outer shield shell 1 of a connector according to an exemplary embodiment of the present invention. FIG. 4 is another diagrammatic longitudinal cross-sectional view of a connector according to an exemplary embodiment of the present invention. FIG. 5 is a diagrammatic longitudinal cross-sectional view of a connector according to an exemplary embodiment of the present invention, in which the outer shield shell 1 is not shown. FIG. 6 is a diagrammatic perspective view of an electrical connection module 3 of a connector according to an exemplary embodiment of the present invention. FIG. 7 is a diagrammatic cross-sectional view of the electrical connection module 3 of a connector according to an exemplary embodiment of the present invention. FIG. 8 is a diagrammatic exploded view of the electrical connection module 3 of a connector according to an exemplary embodiment of the present invention.

[0040] 1 to 8, an exemplary embodiment of the present invention discloses a fastener 33. The fastener 33 includes an outer flange 33c, a threaded hole 33a disposed at one end, and a threaded rod 33b disposed at the other end. The threaded rod 33b of the fastener 33 is configured to be threadedly fastened to the conductive terminal 31 through the conductive sleeve 32, and the outer flange 33c of the fastener 33 is configured to be axially positioned at one end of the conductive sleeve 32, so that the fastener 33 can vertically fix the conductive sleeve 32 to the conductive terminal 31. The threaded hole 33a of the fastener 33 is suitable for threaded connection with a bolt (not shown), so that a mating terminal (not shown) can be fixed to one end of the conductive sleeve 32 by the bolt.

[0041] 1 to 8, in the illustrated embodiment, the outer flange 33c is formed on the outer peripheral surface of one end of the fastener 33 and is configured to be placed axially on the end face of the conductive sleeve 32. The outer flange 33c surrounds the periphery of the central through-hole 12a of the conductive sleeve 32.

[0042] 1 to 8, in the illustrated embodiment, a circular groove 33d is formed in the outer peripheral surface of one end of the fastener 33, and the circular groove 33d is adjacent to the outer flange 33c and close to the end face of the one end of the fastener 33. The circular groove 33d of 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 the one end of the fastener 33.

[0043] 1 to 8, in the illustrated embodiment, fastener 33 also has operating portion 33e suitable for engaging with an operating tool, so that the operating tool engaged with operating portion 33e can tighten or loosen fastener 33. Operating portion 33e is disposed between outer flange 33c and circular groove 33d, and has a polygonal cross section.

[0044] As shown in Figures 1 to 8, in the illustrated embodiment, fastener 33 is cylindrical, and screw hole 33a of fastener 33 extends axially from an end face of one end of fastener 33, but does not pass through fastener 33.

[0045] As shown in FIGS. 1 to 8 , another exemplary embodiment of the present invention also discloses an electrical connection module 3. The electrical connection module 3 includes a fastener 33, a conductive terminal 31, and a conductive sleeve 32. A screw connection hole 31a is formed at one end of the conductive terminal 31. The conductive sleeve 32 is used to electrically connect the conductive terminal 31 to a mating terminal (not shown). A threaded rod 33b of the fastener 33 passes through the conductive sleeve 32 and is screwed into the screw connection hole 31a of the conductive terminal 31. An outer flange 33c of the fastener 33 is axially pressed against one end of the conductive sleeve 32, thereby vertically fixing the conductive sleeve 32 to one end of the conductive terminal 31. The screw hole 33a of the fastener 33 is suitable for screw connection to a bolt (not shown), and the mating terminal (not shown) can be fixed to one end of the conductive sleeve 32 by the bolt.

[0046] 1 to 8, in the illustrated embodiment, an end face of one end of the conductive sleeve 32 is configured to be in electrical contact with an end face of the mating terminal to establish an electrical connection between the conductive sleeve 32 and the mating terminal. An end face of the other end of the conductive sleeve 32 is in electrical contact with the surface of the conductive terminal 31 to establish an electrical connection between the conductive sleeve 32 and the conductive terminal 31.

[0047] 1 to 8, in the illustrated embodiment, the conductive terminal 31 is flat and has two flat surfaces opposite to each other in the thickness direction of the conductive terminal 31. The end surface of the other end of the conductive sleeve 32 is in electrical contact with the flat surfaces of the conductive terminal 31.

[0048] As shown in Figures 1 to 8, in the illustrated embodiment, the electrical connection module 3 further includes an insulating end cap 34, which is attached to one end of the fastener 33 to prevent a person's finger from touching the one end of the fastener 33.

[0049] As shown in Figures 1 to 8, in the illustrated embodiment, the insulating end cap 34 has an inner flange 34d that engages with a circular groove 33d on one end of the fastener 33 to secure the insulating end cap 34 to the one end of the fastener 33.

[0050] As shown in FIGS. 1 to 8, in the illustrated embodiment, the conductive terminal 31 and the conductive sleeve 32 are copper parts, and the fastener 33 is a steel part.

[0051] As shown in FIGS. 1 to 8, in the illustrated embodiment, the conductive terminal 31 is flat and has a longitudinal direction Y and a lateral direction X, and the axial direction of the conductive sleeve 32 is perpendicular to the longitudinal direction Y and the lateral direction X of the conductive terminal 31.

[0052] 1 to 8, a connector is also disclosed in another exemplary embodiment of the present invention. The connector includes an outer shield shell 1, an insulating inner housing 2, and the above-mentioned electrical connection module 3. The insulating inner housing 2 is provided in the outer shield shell 1. The electrical connection module 3 is provided in the insulating inner housing 2.

[0053] 1 to 8 , in the illustrated embodiment, the insulating inner housing 2 includes a first insulating housing 21 and a second insulating housing 22. The first insulating housing 21 has an insertion cavity 201 and a mounting port 202 formed in the upper wall of the insertion cavity 201. The second insulating housing 22 has a base 220 and a cylindrical portion 221 formed in the base 220. The base 220 of the second insulating housing 22 is assembled to the upper part of the first insulating housing 21, and the lower end of the cylindrical portion 221 of the second insulating housing 22 is inserted into the mounting port 202 of the first insulating housing 21. The conductive terminals 31 of the electrical connection module 3 are inserted into the insertion cavity 201 of the first insulating housing 21, and the conductive sleeves 32 of the electrical connection module 3 are inserted into the cylindrical portion 221 of the second insulating housing 22.

[0054] 1 to 8, in the illustrated embodiment, an elastic buckle 221a is formed at the lower end of the cylindrical portion 221 of the second insulating housing 22. The elastic buckle 221a is joined to the inner edge of the attachment port 202 of the first insulating housing 21 to secure the second insulating housing 22 to the first insulating housing 21.

[0055] As shown in Figures 1 to 8, in the illustrated embodiment, the lower end of the fastener 33 of the electrical connection module 3 is screwed onto 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 a person's fingers from touching the upper end of the fastener 33.

[0056] 1 to 8 , in the illustrated embodiment, the insulating end cap 34 is disposed on the cylindrical portion 221 of the second insulating housing 22, and the cylindrical portion 221 of the second insulating housing 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 housing 22 is smaller than the gap between a human finger. Therefore, a human finger cannot be inserted between the insulating end cap 34 and the cylindrical portion 221, preventing the human finger from coming into contact with the conductive sleeve 32 and the conductive terminal 31.

[0057] 1 to 8 , in the illustrated embodiment, the outer shield shell 1 includes a front end wall and a rear port 102 that are opposite in the longitudinal direction Y of the outer shield shell 1, an upper opening 101 and a bottom wall that are opposite in the height direction Z of the outer shield shell 1, and two side walls that are opposite in the lateral direction X of the outer shield shell 1. The first insulating housing 21 is inserted into the outer shield shell 1 from the rear port 102, and the base 220 of the second insulating housing 22 is attached to the upper opening 101 of the outer shield shell 1.

[0058] 1 to 8, in the illustrated embodiment, a plurality of positioning slots 101a are formed in the peripheral wall of the upper opening 101 of the outer shield shell 1, and a plurality of positioning protrusions 220a are formed on the outer peripheral surface of the base 220 of the second insulating housing 22. The plurality of positioning protrusions 220a are engaged with the plurality of positioning slots 101a, respectively, to support and position the second insulating housing 22 in the upper opening 101 of the outer shield shell 1.

[0059] 1 to 8, in the illustrated embodiment, the connector includes two electrical connection modules 3 arranged side by side in the horizontal direction X of the outer shield shell 1. Two insertion cavities 201 arranged side by side in the horizontal direction X are formed in the first insulating housing 21, and the conductive terminals 31 of the two electrical connection modules 3 are inserted into the two insertion cavities 201, respectively. Two cylindrical portions 221 arranged side by side in the horizontal direction X are formed in the second insulating housing 22, and the conductive sleeves 32 of the two electrical connection modules 3 are inserted into the two cylindrical portions 221, respectively.

[0060] As shown in Figures 1 to 8, in the illustrated embodiment, the connector further comprises a detection module 4, which is mounted in the insulating inner housing 2 and positioned between the two electrical connection modules 3 for mating with a mating detection module (not shown) of a mating connector (not shown).

[0061] As shown in Figures 1 to 8, in the illustrated embodiment, after the connector is mated with the mating connector, the conductive terminals 31 of the connector are electrically connected to the mating terminals of the mating connector to connect a high-voltage load circuit (not shown).

[0062] 1 to 8, in the illustrated embodiment, after the connector is mated with the mating connector, the detection module 4 is mated with the mating detection module, connects the low-voltage control circuit, and controls the power supply (not shown) to supply power to the high-voltage load circuit through the low-voltage control circuit. 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 power supply is controlled to stop supplying power to the high-voltage load circuit.

[0063] 1 to 8, in the illustrated embodiment, mounting holes 204 are formed in the upper wall of the first insulating housing 21 and the base 220 of the second insulating housing 22, respectively. The detection module 4 includes an insulating holder 40, two detection terminals 42, and two connecting wires 41. The insulating holder 40 is inserted into the mounting holes 204 of the first insulating housing 21 and the second insulating housing 22. The two detection terminals 42 are provided on the insulating holder 40. The two connecting wires 41 are electrically connected to the two detection terminals 42, respectively. A socket 203 is formed in the first insulating housing 21, and the two connecting wires 41 are led out from the socket 203 of the first insulating housing 21 for electrical connection to the low-voltage control circuit.

[0064] 1 to 8, in the illustrated embodiment, the outer shield shell 1 has a flange portion 10 formed at the rear end portion of the outer shield shell 1, the flange portion 10 is used for mounting to a mounting panel, and has a seal ring mounting groove 10a formed in the flange portion 10. The connector also includes a seal ring 5 mounted in the seal ring mounting groove 10a, and the seal ring 5 is adapted to be compressed in the axial direction between the flange portion 10 and the mounting panel to achieve a seal between the flange portion 10 and the mounting panel.

[0065] As shown in Figures 1 to 8, in the illustrated embodiment, the mounting panel is the outer shell of the device, and the conductive terminals 31 and connecting wires 41 are led out from the rear port 102 of the outer shielding shell 1 for electrical connection to the high voltage load circuit and the low voltage control circuit, respectively, within the device.

[0066] 1 to 8, in an exemplary embodiment of the present invention, the device may be a battery pack. Conductive terminals 31 and connecting wires 41 are led out from a rear port 102 of the outer shield shell 1 for electrical connection to a rechargeable battery and a control unit, respectively, within the battery pack.

[0067] It should be understood by those skilled in the art that the above embodiments are illustrative and not restrictive. For example, those skilled in the art can make many modifications to the above embodiments without any contradiction in structure or principle, and can freely combine various features described in different embodiments with each other.

[0068] While several exemplary embodiments have been shown and described, it will be apparent to those skilled in the art that various modifications and variations can be made to these embodiments without departing from the principles and spirit of the present disclosure, the scope of which is defined by the following claims and their equivalents.

[0069] As used herein, elements described in the singular and preceded by the words "a" or "an" should be understood as not excluding a plurality of said elements or steps, unless such exclusion is expressly stated. Furthermore, references to "one embodiment" of the invention are not intended to be interpreted as excluding the existence of additional embodiments that also incorporate the recited features. Furthermore, unless expressly stated otherwise, embodiments "comprising" or "having" an element or elements having a particular characteristic can include additional such elements that do not have that characteristic.

Claims

1. A fastener, the fastener (33) comprising: an outer flange (33c); A screw hole (33a) disposed at one end; a threaded rod (33b) disposed at the other end; Equipped with The threaded rod (33b) of the fastener (33) is configured to be threadedly fastened to the conductive terminal (31) through the conductive sleeve (32), and the outer flange (33c) of the fastener (33) is configured to be axially placed on one end of the conductive sleeve (32), so that the fastener (33) can fix the conductive sleeve (32) to the conductive terminal (31) vertically; The screw hole (33a) of the fastener (33) is suitable for threaded connection to a bolt, so that a mating terminal can be fixed to one end of the conductive sleeve (32) by the bolt.

2. 2. The fastener according to claim 1, wherein the outer flange (33c) is formed on the outer peripheral surface of one end of the fastener (33) and is adapted to axially contact the end surface of one end of the conductive sleeve (32).

3. A circular groove (33d) is formed on the outer peripheral surface of one end of the fastener (33), the circular groove (33d) being adjacent to the outer flange (33c) and close to the end face of one end of the fastener (33); 2. The fastener according to claim 1, wherein the circular groove (33d) of the fastener (33) is used to engage with an inner flange (34d) of an insulating end cap (34), thereby enabling the insulating end cap (34) to be fixed to one end of the fastener (33).

4. The fastener (33) also has an operating portion (33e) suitable for engaging with an operating tool, so that the fastener (33) can be tightened or loosened by the operating tool engaged with the operating portion (33e); 4. The fastener according to claim 3, wherein the operating portion (33e) is disposed between the outer flange (33c) and the circular groove (33d) and has a polygonal cross section.

5. 2. The fastener according to claim 1, wherein the fastener (33) is cylindrical, and the screw hole (33a) of the fastener (33) extends axially from an end face of one end of the fastener (33) and does not penetrate the fastener (33).

6. 1. An electrical connection module comprising: The fastener (33) according to any one of claims 1 to 5; A conductive terminal (31) having a screw connection hole (31a) formed at one end of the conductive terminal (31); a conductive sleeve (32) for electrically connecting the conductive terminal (31) to a mating terminal; Equipped with The screw rod (33b) of the fastener (33) penetrates the conductive sleeve (32) and is screwed into the screw connection hole (31a) of the conductive terminal (31), and the outer flange (33c) of the fastener (33) is axially pressed against one end of the conductive sleeve (32), so that the conductive sleeve (32) is fixed perpendicularly to one end of the conductive terminal (31); The threaded hole (33a) of the fastener (33) is suitable for threaded connection to a bolt, so that the mating terminal can be fixed to one end of the conductive sleeve (32) by the bolt.

7. an end surface of one end of the conductive sleeve (32) suitable for electrical contact with an end surface of the mating terminal to establish an electrical connection between the conductive sleeve (32) and the mating terminal; 7. The electrical connection module of claim 6, wherein the end face of the other end of the conductive sleeve (32) is in electrical contact with the surface of the conductive terminal (31) to achieve an electrical connection between the conductive sleeve (32) and the conductive terminal (31).

8. 8. The electrical connection module of claim 7, wherein the conductive terminal (31) is flat and has two flat surfaces opposite each other in the thickness direction of the conductive terminal (31), and the end surface of the other end of the conductive sleeve (32) is in electrical contact with the flat surfaces of the conductive terminal (31).

9. 7. The electrical connection module of claim 6, further comprising an insulating end cap (34), the insulating end cap (34) being attached to one end of the fastener (33) to prevent a person's finger from contacting the one end of the fastener (33).

10. 10. The electrical connection module of claim 9, wherein the insulating end cap (34) has an inner flange (34d) that engages with the circular groove (33d) on one end of the fastener (33) to secure the insulating end cap (34) to the one end of the fastener (33).

11. 7. The electrical connection module of claim 6, wherein the conductive terminal (31) and the conductive sleeve (32) are copper parts and the fastener (33) is a steel part.

12. 12. The electrical connection module according to claim 6, wherein 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).

13. A connector, An outer shield shell (1); an insulating inner housing (2) provided on the outer shield shell (1); The electrical connection module (3) according to any one of claims 6 to 12, provided in the insulating inner housing (2); A connector comprising:

14. The insulating inner housing (2) a first insulating housing (21) having an insertion cavity (201) and a mounting port (202) formed in the upper wall of the insertion cavity (201); a second insulating housing (22) having a base (220) and a cylindrical portion (221) formed on the base (220); Including, The base (220) of the second insulating housing (22) is assembled to the upper part of the first insulating housing (21), and the lower end of the cylindrical portion (221) of the second insulating housing (22) is inserted into the mounting port (202) of the first insulating housing (21); 14. The connector of claim 13, wherein the conductive terminals (31) of the electrical connection module (3) are inserted into the insertion cavities (201) of the first insulating housing (21), and the conductive sleeves (32) of the electrical connection module (3) are inserted into the cylindrical portion (221) of the second insulating housing (22).

15. 15. The connector of claim 14, wherein an elastic buckle (221 a) is formed at the lower end of the cylindrical portion (221) of the second insulating housing (22), and the elastic buckle (221 a) is joined to the inner edge of the mounting port (202) of the first insulating housing (21) to fix the second insulating housing (22) to the first insulating housing (21).

16. 15. The connector of claim 14, wherein the lower end of the fastener (33) of the electrical connection module (3) is screwed onto 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 a person's finger from touching the upper end of the fastener (33).

17. the insulating end cap (34) is disposed on the cylindrical portion (221) of the second insulating housing (22), and the cylindrical portion (221) of the second insulating housing (22) extends upward beyond the upper end of the fastener (33); 17. The connector of claim 16, wherein a gap between the insulating end cap and the cylindrical portion of the second insulating housing is smaller than the gap between a human finger, such that a human finger cannot be inserted between the insulating end cap and the cylindrical portion, preventing the human finger from contacting the conductive sleeve and the conductive terminal.

18. The outer shield shell (1) includes a front end wall and a rear port (102) that are opposite in a longitudinal direction (Y) of the outer shield shell (1), a top opening (101) and a bottom wall that are opposite in a height direction (Z) of the outer shield shell (1), and two side walls that are opposite in a lateral direction (X) of the outer shield shell (1), 15. The connector according to claim 14, wherein the first insulating housing (21) is inserted into the outer shield shell (1) through the rear port (102) of the outer shield shell (1), and the base (220) of the second insulating housing (22) is attached to the upper opening (101) of the outer shield shell (1).

19. 19. The connector according to claim 18, wherein a plurality of positioning slots (101 a) are formed in a peripheral wall of the upper opening (101) of the outer shield shell (1), and a plurality of positioning protrusions (220 a) are formed on an outer peripheral surface of the base (220) of the second insulating housing (22), and the plurality of positioning protrusions (220 a) engage with the plurality of positioning slots (101 a), respectively, to support and position the second insulating housing (22) in the upper opening (101) of the outer shield shell (1).

20. The connector comprises two electrical connection modules (3) arranged side by side in the lateral direction (X) of the outer shield shell (1), Two insertion cavities (201) arranged side by side in the lateral direction (X) are formed in the first insulating housing (21), and the conductive terminals (31) of the two electrical connection modules (3) are inserted into the two insertion cavities (201), respectively; 19. The connector according to claim 18, wherein two cylindrical portions (221) arranged side by side in the lateral direction (X) are formed in the second insulating housing (22), and the conductive sleeves (32) of the two electrical connection modules (3) are inserted into the two cylindrical portions (221), respectively.

21. a detection module (4) mounted in the insulating inner housing (2) and disposed between the two electrical connection modules (3) for mating with a mating detection module of a mating connector; After the connector is mated with the mating connector, the conductive terminals (31) of the connector are electrically connected to the mating terminals of the mating connector to connect a high-voltage load circuit; 21. The connector of claim 20, wherein after the connector is mated with the mating connector, the detection module (4) mates with the mating detection module to connect a low-voltage control circuit and control a power source to supply power to the high-voltage load circuit through the low-voltage control circuit.

22. Mounting holes (204) are formed in the top wall of the first insulating housing (21) and the base (220) of the second insulating housing (22), respectively; The detection module (4) an insulating holder (40) inserted into the mounting holes (204) of the first insulating housing (21) and the second insulating housing (22); Two detection terminals (42) provided on the insulating holder (40); Two connecting wires (41) electrically connected to the two detection terminals (42), respectively; Including, 22. The connector of claim 21, wherein a socket (203) is formed in the first insulating housing (21), and the two connecting wires (41) are led out from the socket (203) of the first insulating housing (21) for electrical connection to the low-voltage control circuit.

23. The outer shield shell (1) has a flange portion (10) formed at a rear end portion of the outer shield shell (1), the flange portion (10) is used for mounting to a mounting panel, and has a seal ring mounting groove (10a) formed in the flange portion (10), 23. The connector according to claim 18, further comprising a seal ring (5) mounted in the seal ring mounting groove (10a), the seal ring (5) being configured to be axially compressed between the flange portion (10) and the mounting panel to achieve a seal between the flange portion (10) and the mounting panel.

24. 24. The connector of claim 23, wherein the mounting panel is an outer shell of a 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 electrical connection to the high-voltage load circuit and the low-voltage control circuit, respectively, within the device.

25. 25. The connector of claim 24, wherein the device is a battery pack, 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 electrical connection to a rechargeable battery and a control unit, respectively, within the battery pack.