Connection terminal, connection terminal assembly, electric equipment and vehicle

Abstract

The utility model relates to a connection terminal, a connection terminal assembly, electric equipment and a vehicle, and the connection terminal comprises a terminal elastic sheet which comprises an abutting part used for being connected with a plugging terminal; and the elastic piece is connected with the abutting part and is used for pushing the abutting part to be in abutting fit with the plugging terminal. Therefore, through the terminal elastic piece and the elastic piece in the connecting terminal, when the connecting terminal is in plug-in fit with the plug-in terminal, the elastic piece can apply thrust to the terminal elastic piece so that the abutting part of the terminal elastic piece can abut against the plug-in terminal, and therefore the connecting terminal and the plug-in terminal can be stably connected and do not fall off; and the connection reliability of the connection terminal and the plugging terminal is improved.

Description

Technical Field

[0001] The present disclosure relates to the technical field of connection terminals, and in particular, to a connection terminal, a connection terminal assembly, an electrical device, and a vehicle. Background Art

[0002] In the related art, the connection terminal assembly in an electrical device is an important connection component of an electronic product and is used to connect a wire harness. Currently, there are problems with unstable connection and poor connection reliability in the connection terminal. Summary of the Utility Model

[0003] The purpose of the present disclosure is to provide a connection terminal, a connection terminal assembly, an electrical device, and a vehicle, and the connection terminal assembly has strong connection reliability to at least partially solve the above technical problems.

[0004] To achieve the above purpose, the first aspect of the present disclosure provides a connection terminal, including: a terminal elastic piece including an abutting portion for connecting with a plugging terminal; and an elastic member connected to the abutting portion for pushing the abutting portion to abut and cooperate with the plugging terminal.

[0005] Optionally, the connection terminal further includes a plugging slot, the terminal elastic piece is disposed in the plugging slot, the terminal elastic piece further includes a mounting portion connected to the abutting portion, the abutting portion is suspended in the plugging slot, and the mounting portion is fixedly connected to the inner wall of the plugging slot.

[0006] Optionally, the abutting portion includes a protruding section disposed close to the mounting portion, and the protruding section is used for abutting against the plugging terminal.

[0007] Optionally, the abutting portion further includes a mounting section connected to one end of the protruding section away from the mounting portion, and the mounting section is used for mounting the elastic member.

[0008] Optionally, there are multiple terminal elastic pieces, and a gap for the plugging terminal to be plugged into is formed between the protruding sections of the multiple terminal elastic pieces.

[0009] Optionally, there are two terminal elastic pieces, and the gap formed between the protruding sections of the two terminal elastic pieces is in a flared shape.

[0010] Optionally, the bottom end of the plugging slot is provided with a plugging hole for cooperating with the plugging terminal and mounting holes on both sides of the plugging hole. The mounting portion of the terminal elastic piece is in a U shape, the mounting portion is plugged and fixed in the mounting holes, the outer end of the mounting portion extends to the mounting section, and both ends of the elastic member are fixedly connected to the outer end of the mounting portion and the mounting section respectively.

[0011] Optionally, a bottom end of the insertion slot is provided with an insertion hole that mates with the insertion terminal and mounting holes on both sides of the insertion hole. An installation portion of the terminal elastic piece is arranged in a U shape. The installation portion is inserted and fixed in the mounting holes. An outer end of the installation portion extends to the installation section. Two ends of the elastic member are respectively fixedly connected to the outer end of the installation portion and the installation section.

[0012] Optionally, the elastic member is a compression spring member and / or an elastic rubber member.

[0013] A second aspect of the present disclosure provides a connection terminal assembly, including the above-mentioned connection terminal and an insertion terminal that is inserted and mated with the connection terminal.

[0014] Optionally, one of the connection terminal and the insertion terminal is provided with a positioning portion, and the other is provided with a mating portion that mates with the positioning portion.

[0015] Optionally, one of the positioning portion and the mating portion is a positioning groove, and the other is a positioning protrusion.

[0016] Optionally, the insertion terminal includes a second body. A receiving groove and signal terminals arranged in the receiving groove are provided on the second body. The signal terminals are used to connect to a contact portion of the terminal elastic piece. The connection terminal includes a first body. A boss that mates with the receiving groove is formed at one end of the first body. The insertion slot of the connection terminal is arranged at a top end of the boss.

[0017] Optionally, the second body further includes power supply terminals. The power supply terminals are arranged in the receiving groove. An insertion interface that mates with the power supply terminals is provided on the first body.

[0018] Optionally, the connection terminal assembly further includes shielding sleeves. The number of the shielding sleeves is multiple. The multiple shielding sleeves are respectively located on the outer circumference of the signal terminals and / or the outer circumference of the terminal elastic pieces.

[0019] Optionally, the connection terminal assembly further includes a waterproof member. The waterproof member is arranged between the boss and the receiving groove.

[0020] Optionally, a first step is provided at a bottom of the boss. A second step is provided in the receiving groove. The waterproof member is arranged in a space surrounded by an outer side wall of the boss, the first step, the second step, and an inner side wall of the receiving groove.

[0021] Optionally, the connection terminal assembly further includes a screw sleeve. The screw sleeve includes an internal thread section and a stop section. An external thread section that mates with the internal thread section is provided on the first body. A third step that mates with the stop section is provided on an outer side wall of the second body.

[0022] The third aspect of the present disclosure provides an electrical device, including the above-mentioned connection terminal assembly.

[0023] The fourth aspect of the present disclosure provides a vehicle, including the above-mentioned connection terminal assembly.

[0024] Through the above technical solution, through the terminal elastic piece and the elastic member in the connection terminal, when the connection terminal is plugged and matched with the plugging terminal, the elastic member can apply a thrust to the terminal elastic piece so that the abutting portion of the terminal elastic piece abuts against the plugging terminal, thereby being able to stably connect the connection terminal and the plugging terminal without falling off, and improving the reliability of the connection between the connection terminal and the plugging terminal.

[0025] Other features and advantages of the present disclosure will be described in detail in the subsequent specific implementation section. Brief Description of the Drawings

[0026] The drawings are used to provide a further understanding of the present disclosure, and constitute a part of the specification, and are used to explain the present disclosure together with the following specific implementation manners, but do not constitute a limitation to the present disclosure. In the drawings:

[0027] Figure 1 is a schematic diagram of the connection terminal assembly provided in the exemplary embodiment of the present disclosure;

[0028] Figure 2 is a schematic diagram of the plugging terminal provided in the exemplary embodiment of the present disclosure;

[0029] Figure 3 is a schematic diagram of the connection terminal provided in the exemplary embodiment of the present disclosure;

[0030] Figure 4 is Figure 1 a cross-sectional schematic diagram of;

[0031] Figure 5 is Figure 4 a partially enlarged schematic diagram of the connection terminal in;

[0032] Figure 6 is a schematic diagram of the screw sleeve provided in the exemplary embodiment of the present disclosure;

[0033] Figure 7 is a schematic diagram of the waterproof member provided in the exemplary embodiment of the present disclosure.

[0034] Description of the Reference Numerals

[0035] 1 - Terminal spring piece; 11 - Contact portion; 111 - Protruding section; 112 - Mounting section; 12 - Mounting portion; 2 - Plug-in terminal; 21 - Second body; 22 - Receiving groove; 23 - Signal terminal; 24 - Power terminal; 25 - Second step; 26 - Third step; 3 - Elastic member; 4 - Plug-in groove; 41 - Plug-in hole; 42 - Mounting hole; 5 - Positioning portion; 6 - Matching portion; 7 - First body; 71 - Boss; 72 - Plug-in port; 73 - First step; 74 - External thread section; 8 - Shielding sleeve; 9 - Waterproof member; 10 - Nut sleeve; 101 - Internal thread section; 102 - Stop section. Detailed implementation manners

[0036] The following will describe in detail the specific implementation manners of the present disclosure with reference to the accompanying drawings. It should be understood that the specific implementation manners described herein are only for explaining and interpreting the present disclosure, and are not used to limit the present disclosure.

[0037] In the present disclosure, unless otherwise stated, the orientation terms such as "inside, outside" refer to the outline of the part itself. In addition, it should be noted that the terms such as "first, second" are used to distinguish one element from another element, and do not have sequence and importance. In addition, in the description with reference to the accompanying drawings, the same reference numerals in different drawings represent the same elements.

[0038] As Figure 1 、 Figure 3 、 Figure 4 、 Figure 5 shown, a connection terminal is provided in the first aspect of the present disclosure, including: a terminal spring piece 1 and an elastic member 3. Among them, the terminal spring piece 1 includes a contact portion 11 for connecting with the plug-in terminal 2; the elastic member 3 is connected to the contact portion 11, and the elastic member 3 is used to push the contact portion 11 to be in contact and cooperate with the plug-in terminal 2.

[0039] Through the above technical solution, through the terminal spring piece 1 and the elastic member 3 in the connection terminal, when the connection terminal is plugged and cooperated with the plug-in terminal 2, the elastic member 3 can apply a thrust to the terminal spring piece 1 so that the terminal spring piece 1 can be in contact with the plug-in terminal 2, thereby enabling the connection between the connection terminal and the plug-in terminal 2 to be stable and not fall off, and improving the reliability of the connection between the connection terminal and the plug-in terminal 2.

[0040] To facilitate the plug-in fit between the connection terminal and the plug-in terminal 2, in some feasible embodiments, the connection terminal further includes a plug-in groove 4. The terminal spring piece 1 is disposed in the plug-in groove 4. The terminal spring piece 1 further includes a mounting portion 12 connected to the abutting portion 11. The abutting portion 11 is suspended in the plug-in groove 4, and the mounting portion 12 is fixedly connected to the inner wall of the plug-in groove 4. The terminal spring piece 1 can be a conductive spring piece, and the conductive spring piece is electrically connected to an external wire harness. The end of the conductive spring piece facing the bottom of the plug-in groove 4 is the inner end, and the end of the conductive spring piece facing the notch of the plug-in groove 4 is the outer end. The mounting portion 12 is located at the inner end of the conductive spring piece and is fixedly connected to the inner wall of the plug-in groove 4. Here, the mounting portion 12 can be fixedly connected to the bottom wall of the plug-in groove 4. The mounting portion 12 can be fixedly connected to the plug-in groove 4 by means such as inserting a PIN / pin, adhesive bonding, injection molding, etc. The abutting portion 11 is the part of the conductive spring piece suspended in the plug-in groove 4. When the connection terminal and the plug-in terminal 2 are plugged together, the connected part in the plug-in terminal 2 can be plugged into the plug-in groove 4 to contact the suspended abutting portion 11, thereby realizing the signal transmission between the connection terminal and the plug-in terminal 2. Of course, through the arrangement of the elastic member 3, when the connection terminal and the plug-in terminal 2 are plugged together, a thrust can be applied to the terminal spring piece 1 to facilitate the firm abutment of the terminal spring piece 1 and the plug-in terminal 2 without falling off, and improve the reliability of the connection between the connection terminal and the plug-in terminal 2.

[0041] To facilitate the abutment fit between the terminal spring piece 1 and the plug-in terminal 2, in some feasible embodiments, as Figures 3 - 5 shown, the terminal spring piece 1 can be a conductive spring piece. The abutting portion 11 includes a convex section 111. The convex section 111 is disposed close to the mounting portion 12. The convex section 111 is used to abut against the plug-in terminal 2. Among them, the convex section 111 can be V-shaped. Among them, the bent portion of the V-shape is arc-shaped. The bent portion of the V-shape abuts against the plug-in terminal 2 in a mating manner. Thus, when the terminal spring piece 1 abuts against the plug-in terminal 2 in a mating manner, the plug-in terminal 2 abuts against the outer side of the V-shape of the convex section 111 first.

[0042] It can be understood that the above convex section 111 being V-shaped is illustrative. In other embodiments, the convex section 111 can also be arc-shaped.

[0043] In addition, to facilitate the connection between the elastic member 3 and the terminal spring piece 1, in some implementable ways, the abutting portion 11 further includes a mounting section 112 connected to one end of the protruding section 111 away from the mounting portion 12. The mounting section 112 is used to mount the elastic member 3. The mounting section 112 can be integrally formed with the protruding section 111. The mounting section 112 is horizontally arranged. One end of the elastic member 3 can be fixedly connected to the mounting section 112 by welding or gluing. The other end of the elastic member 3 can abut against the inner side wall of the insertion slot 4. The elastic member 3 can be a compression spring member. When the connection terminal and the insertion terminal 2 are inserted and matched, the insertion terminal 2 abuts against the protruding section 111, thereby squeezing the protruding section 111 to bend in a direction away from the insertion terminal 2. There is a risk of insufficient pressure between the abutting portion 11 and the insertion terminal 2. At this time, by providing a thrust force in the direction of the insertion terminal 2 through the elastic member 3, the protruding section 111 of the abutting portion 11 can be made to abut and connect with the insertion terminal 2, avoiding the separation of the terminal spring piece 1 and the insertion terminal 2 due to too small pressure.

[0044] It can be understood that the above way of the elastic member 3 being a compression spring member is illustrative. In other embodiments, the elastic member 3 can also be an elastic rubber member, as long as it can provide a thrust force to the terminal spring piece 1 when the connection terminal and the insertion terminal 2 are inserted and matched.

[0045] In some implementable ways, to make the insertion connection between the connection terminal and the insertion terminal 2 more stable, there are multiple terminal spring pieces 1, and gaps are formed between the protruding sections 111 of the multiple terminal spring pieces 1. The insertion terminal 2 is inserted into the gaps. Elastic members 3 are provided on each terminal spring piece 1. Thus, when the connection terminal and the insertion terminal 2 are inserted and matched, a thrust force can be provided through the multiple terminal spring pieces 1 and the multiple elastic members 3 to press the protruding sections 111 of the terminal spring pieces 1 to cooperate with the insertion terminal 2, thereby avoiding the separation of the terminal spring piece 1 and the insertion terminal 2 due to too small pressure.

[0046] Specifically, such as Figure 5As shown in the figure, there are two end spring pieces 1. The bottom end of the insertion slot 4 is provided with an insertion hole 41 that cooperates with the insertion terminal 2 and mounting holes 42 on both sides of the insertion hole 41. The mounting portion 12 of the end spring piece 1 is arranged in a U shape. The opening of the U shape is in the same direction as the opening of the insertion slot 4. The mounting portion 12 is inserted and fixed in the mounting hole 42. The outer end of the mounting portion 12 extends to the mounting section 112. Both ends of the elastic member 3 are fixedly connected to the outer end of the mounting portion 12 and the mounting section 112 respectively. The gap formed between the protruding sections 111 of the two end spring pieces 1 is in a flared shape. Specifically, the flared shape here means that both protruding sections 111 are V-shaped. The bending parts of the two V shapes are arc-shaped and the openings of the bending parts of the two V shapes are arranged in opposite directions. The outer sides of the two V shapes together form an outward flare, and the inner sides of the two V shapes together form an inward flare. The flared shape setting can facilitate the insertion of the insertion terminal 2 into the gap, and the two elastic members 3 apply a thrust force towards the insertion terminal 2 to facilitate the clamping of the insertion terminal 2 by the two protruding sections 111, avoiding the detachment when the connection terminal and the insertion terminal 2 are inserted.

[0047] The second aspect of the present disclosure provides a connection terminal assembly, as Figures 1 - 7 shown. The connection terminal assembly includes the above-mentioned connection terminal and an insertion terminal that is inserted and cooperates with the connection terminal. Thus, through the end spring piece 1 and the elastic member 3 in the connection terminal, when the connection terminal is inserted and cooperates with the insertion terminal 2, the elastic member 3 can apply a thrust force to the end spring piece 1 to facilitate the abutment of the end spring piece 1 and the insertion terminal 2, thereby enabling the stable connection of the connection terminal and the insertion terminal 2 without detachment, and improving the reliability of the connection between the connection terminal and the insertion terminal 2.

[0048] In some implementable ways, the insertion terminal 2 may include a second body 21. The second body 21 may be cylindrical. The second body 21 may adopt a circular aluminum alloy sleeve and an injection molded inner core. The first end of the second body 21 may be provided with a receiving groove 22 and a signal terminal 23 arranged in the receiving groove 22. The second end of the second body 21 is connected to an external wire harness. The signal terminal 23 is used to abut against the abutting portion 11 of the end spring piece 1. The signal terminal 23 is placed in the receiving groove 22 by injection molding. The head end of the signal terminal 23 is suspended in the receiving groove 22, and the tail end of the signal terminal 23 is electrically connected to the external wire harness. The connection terminal may include a first body 7. The first body 7 may be cylindrical. A boss 71 that cooperates with the receiving groove 22 is formed at the first end of the first body 7. The second end of the first body 7 is connected to an external wire harness. The insertion slot 4 of the connection terminal is arranged at the top of the boss 71. Thus, when the insertion terminal 2 is inserted and cooperates with the connection terminal, the boss 71 of the connection terminal cooperates with the receiving groove 22 of the insertion terminal 2 so that the signal terminal 23 is connected to the abutting portion 11 of the end spring piece 1.

[0049] In addition, in order to improve the signal transmission efficiency between the connection terminal and the plug-in terminal 2, in some implementable ways, the number of signal terminals 23 can be multiple, and the multiple signal terminals 23 are arranged at intervals. The number of the elastic pieces 1 at the end of the connection terminal is set in one-to-one correspondence with the signal terminals 23.

[0050] It can be understood that the second body 21 may further include a power terminal 24. The power terminal 24 is arranged in the accommodation groove 22 and is arranged at intervals from the signal terminal 23. An insertion interface 72 that cooperates with the power terminal 24 is provided on the first body 7. As Figure 2 and Figure 3 shown, the number of the power terminals 24 on the second body 21 is two, and the number of the insertion interfaces 72 on the first body 7 is also two correspondingly. When the plug-in terminal 2 and the connection terminal are plugged and matched, the power terminal 24 is plugged into the insertion interface 72, and the signal terminal 23 and the elastic piece 1 are in abutting connection. Thus, after the plug-in terminal 2 and the connection terminal are plugged, it is convenient to realize the electrical connection and signal connection between two external wire harnesses. In addition, the signal terminal 23 and the power terminal 24 are separately arranged to avoid interference between the power terminal 24 and the signal terminal 23.

[0051] In order to facilitate the positioning and plugging of the connection terminal and the plug-in terminal 2, in some implementable ways, one of the connection terminal and the plug-in terminal 2 is provided with a positioning portion 5, and the other is provided with a cooperating portion 6 that cooperates with the positioning portion. Specifically, one of the positioning portion 5 and the cooperating portion 6 is a positioning groove, and the other is a positioning protrusion. For example, the positioning groove can be arranged on the outer side wall of the boss 71 of the plug-in terminal 2, and the positioning protrusion can be arranged in the accommodation groove 22 of the connection terminal, so that when the connection terminal and the plug-in terminal 2 are connected, they can be positioned by the positioning protrusion and the positioning groove, so that the signal terminal 23 can be plugged into the corresponding elastic piece 1 and / or the power terminal 24 can be plugged into the corresponding insertion interface 72.

[0052] In order to avoid signal interference when the connection terminal and the plug-in terminal 2 are plugged and matched, in some implementable ways, the connection terminal assembly further includes a shielding sleeve 8. The number of the shielding sleeves 8 is multiple, and the multiple shielding sleeves 8 are respectively located on the outer periphery of the signal terminal 23 and / or the outer periphery of the elastic piece 1. For example, the shielding sleeve 8 may include a first shielding sleeve and a second shielding sleeve. The first shielding sleeve and the second shielding sleeve are steel rings. The first shielding sleeve can be fixedly connected to the outer periphery of the signal terminal 23 by means of bonding, and the second shielding sleeve can be fixedly connected to the insertion groove 4 of the elastic piece 1 by means of bonding. Thus, when the connection terminal and the plug-in terminal 2 are plugged and matched, through the arrangement of the first shielding sleeve and the second shielding sleeve, it can effectively prevent external electromagnetic wave interference from entering the inside of the signal terminal 23, play a role in electromagnetic shielding of the signal terminal 23, and improve the quality and stability of conductive transmission.

[0053] In addition, the outer diameter of the first shielding sleeve can be larger than that of the second shielding sleeve. In this way, the first shielding sleeve and the second shielding sleeve can be combined to form a double-layer shielding, further improving the electromagnetic shielding effect and enhancing the quality and stability of conductive transmission.

[0054] In some feasible embodiments, to improve the waterproof ability of the connection terminal assembly, the connection terminal assembly further includes a waterproof member 9. The waterproof member 9 is disposed between the boss 71 and the receiving groove 22. Specifically, a first step 73 is provided at the bottom of the boss 71, and a second step 25 is provided in the receiving groove 22. The waterproof member 9 is disposed in the space surrounded by the outer sidewall of the boss 71, the first step 73, the second step 25, and the inner sidewall of the receiving groove 22. The waterproof member 9 can be a rubber ring. When the connection terminal and the plug-in terminal 2 are plugged and matched, the second step 25 presses the waterproof member 9 so that the waterproof member 9 abuts against the outer sidewall of the boss 71, the first step 73, the second step 25, and the inner sidewall of the receiving groove 22 respectively, thereby realizing the sealing of the plugging portion of the connection terminal and the plug-in terminal 2, and enabling the connection terminal assembly to have a certain waterproof ability and improving the reliability of the connection terminal assembly.

[0055] In order to stably connect the connection terminal and the plug-in terminal 2 in the connection terminal assembly, in some feasible embodiments, the connection terminal assembly further includes a screw sleeve 10. The screw sleeve 10 includes an internal thread section 101 and a stop section 102. An external thread section 74 that cooperates with the internal thread section 101 is provided on the first body 7, and a third step 26 that cooperates with the stop section 102 is provided on the outer sidewall of the second body 21. In this way, after the connection terminal and the plug-in terminal 2 are plugged, the internal thread section 101 of the screw sleeve 10 is threadedly connected to the external thread section 74 on the first body 7 of the connection terminal, and the screw sleeve 10 is rotated so that the stop section 102 of the screw sleeve 10 is snapped at the third step 26 of the plug-in terminal 2, thereby locking and fixing the connection terminal and the plug-in terminal 2 by threading. Thus, the cooperation between the connection terminal and the plug-in terminal 2 is made more stable and reliable.

[0056] The third aspect of the present disclosure provides an electrical device including the above-mentioned connection terminal assembly. The electrical device can be a vehicle, a mobile phone, a portable device, a laptop computer, a ship, a spacecraft, an electric toy, an electric tool, etc. The spacecraft includes an airplane, a rocket, a space shuttle, a spaceship, etc.; the electric toy includes a fixed or mobile electric toy, for example, a game console, an electric vehicle toy, an electric ship toy, an electric airplane toy, etc.; the electric tool includes a metal cutting electric tool, a grinding electric tool, an assembly electric tool, and a railway electric tool, for example, an electric drill, an electric grinding wheel, an electric wrench, an electric screwdriver, a hammer drill, an impact electric drill, a concrete vibrator, an electric planer, etc. The embodiments of the present application do not impose special restrictions on the above-mentioned electrical devices.

[0057] The fourth aspect of the present disclosure provides a vehicle, including the above-mentioned connection terminal assembly. The vehicle can be a fuel vehicle, a gas vehicle, or a new energy vehicle, and the new energy vehicle can be a pure electric vehicle, a hybrid vehicle, a range-extended vehicle, etc. Through the above-mentioned connection terminal assembly, it has high reliability and high sealing, waterproof and dustproof performance, and can adapt to various working conditions of the vehicle to improve the reliability and stability of the vehicle.

[0058] The preferred embodiments of the present disclosure have been described in detail above in conjunction with the accompanying drawings. However, the present disclosure is not limited to the specific details in the above embodiments. Within the scope of the technical concept of the present disclosure, various simple modifications can be made to the technical solutions of the present disclosure, and these simple modifications all fall within the protection scope of the present disclosure.

[0059] In addition, it should be noted that, among the various specific technical features described in the above specific embodiments, they can be combined in any suitable manner without conflict. To avoid unnecessary repetition, the present disclosure will not separately describe various possible combination methods.

[0060] In addition, any combination can be made between various different embodiments of the present disclosure, as long as it does not violate the idea of the present disclosure, it should also be regarded as the content disclosed by the present disclosure.

Claims

1. A connection terminal, characterized in that, Comprising: Terminal bullet piece, including an abutting portion for connecting with a pluggable terminal; And Elastic member, connected to the abutting portion, for pushing the abutting portion to be in abutting cooperation with the pluggable terminal.

2. The connection terminal according to claim 1, wherein, The connecting terminal further includes a plugging groove, the terminal bullet piece is arranged in the plugging groove, the terminal bullet piece further includes a mounting portion connected to the abutting portion, the abutting portion is suspended in the plugging groove, and the mounting portion is fixedly connected to the inner wall of the plugging groove.

3. The connecting terminal according to claim 2, wherein The abutting portion includes a protruding section, the protruding section is arranged close to the mounting portion, and the protruding section is used for abutting against the pluggable terminal.

4. The connection terminal according to claim 3, characterized in that, The abutting portion further includes a mounting section connected to one end of the protruding section away from the mounting portion, and the mounting section is used for mounting the elastic member.

5. The connecting terminal according to claim 4, wherein The number of the terminal bullet pieces is multiple, and a gap for the pluggable terminal to be plugged into is formed between the protruding sections of the multiple terminal bullet pieces.

6. The connecting terminal according to claim 5, wherein The number of the terminal bullet pieces is two, and the gap formed between the protruding sections of the two terminal bullet pieces is in a flared shape.

7. The connection terminal according to claim 6, characterized in that, The bottom end of the plugging groove is provided with a plugging hole for cooperating with the pluggable terminal and mounting holes on both sides of the plugging hole. The mounting portion of the terminal bullet piece is arranged in a U shape, the mounting portion is plugged and fixed in the mounting holes, the outer end of the mounting portion extends to the mounting section, and two ends of the elastic member are respectively fixedly connected to the outer end of the mounting portion and the mounting section.

8. The connection terminal according to claim 7, wherein, The elastic member is a compression spring member and / or an elastic rubber member.

9. A connection terminal assembly, characterized in that, Including the connecting terminal according to any one of claims 1-8 and a pluggable terminal plugged and cooperating with the connecting terminal.

10. The connection terminal assembly according to claim 9, characterized in that, One of the connecting terminal and the pluggable terminal is provided with a positioning portion, and the other is provided with a cooperating portion cooperating with the positioning portion.

11. The connection terminal assembly according to claim 10, characterized in that, One of the positioning portion and the cooperating portion is a positioning groove, and the other is a positioning protrusion.

12. The connection terminal assembly according to claim 9, wherein, The pluggable terminal includes a second body, a receiving groove is arranged on the second body, and a signal terminal arranged in the receiving groove, and the signal terminal is used for connecting with the abutting portion of the terminal bullet piece; the connecting terminal includes a first body, a boss cooperating with the receiving groove is formed at one end of the first body, and the plugging groove of the connecting terminal is arranged at the top end of the boss.

13. The connection terminal assembly according to claim 12, wherein The second body further includes a power terminal, the power terminal is arranged in the receiving groove, and a plugging interface cooperating with the power terminal is arranged on the first body.

14. The connection terminal assembly according to claim 12, wherein, The connecting terminal assembly further includes a shielding sleeve, the number of the shielding sleeves is multiple, and the multiple shielding sleeves are respectively located on the outer periphery of the signal terminal and / or the outer periphery of the terminal bullet piece.

15. The connection terminal assembly according to claim 12, wherein, The connecting terminal assembly further includes a waterproof member, and the waterproof member is arranged between the boss and the receiving groove.

16. The connection terminal assembly according to claim 15, characterized in that, A first step is arranged at the bottom of the boss, a second step is arranged in the receiving groove, and the waterproof member is arranged in the space surrounded by the outer side wall of the boss, the first step, the second step and the inner side wall of the receiving groove.

17. The connection terminal assembly according to claim 12, wherein The connecting terminal assembly further includes a screw sleeve, the screw sleeve includes an internal thread section and a stop section, an external thread section cooperating with the internal thread section is arranged on the first body, and a third step cooperating with the stop section is arranged on the outer side wall of the second body.

18. An electrical device, characterized in that, Comprising the connection terminal assembly according to any one of claims 9-17.

19. A vehicle, characterized in that, Comprising the connection terminal assembly according to any one of claims 9-17.

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