Plug terminal structure

Abstract

The plugging terminal structure comprises a female terminal, a plugging channel is formed in the female terminal, plugging ports are distributed at one end of the plugging channel, and a plurality of springing pieces are distributed on the plugging channel. Each of the plurality of springing pieces comprises two side end parts and an inner extension part, the two side end parts are respectively connected with the channel wall of the plugging channel, the inner extension part is positioned between the two side end parts, the inner extension part extends into the plugging channel, and the female terminal is provided with the plugging channel and the plugging port, that is, the male terminal is plugged into the female terminal through the plugging port; the female terminal is in surface contact with the male terminal through a plurality of springing pieces, so that after an existing point contact mode is replaced, after the male end connector and the female end connector are matched, the contact area is larger, the contact resistance is small, the conductivity is higher, and meanwhile, the temperature rise can be reduced to a certain degree.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of plug-in terminal structures. BACKGROUND

[0002] The wire on the existing electrical equipment, such as aviation plug, is generally connected by screwing, but since the wire in the aviation plug usually involves several, it causes that when the traditional screwing is used for connection, the operation process is quite cumbersome. Meanwhile, since the aviation connector involves not only the aviation plug but also the aviation socket, that is, the aviation plug also involves the part for mating with the aviation socket, the structure similar to the plug-in terminal is generally involved on the aviation socket, and the plug-in terminal similar to the male and female heads for mating the aviation plug with the aviation socket is also involved in the aviation plug. The existing aviation plug involves male or female connector.

[0003] The cooperation between the male and female connectors is usually achieved by the convex point or inward spring piece in the female connector. When the convex point structure is used, the convex point and the male connector are in contact to form the mating cooperation between the male and female connectors. When the spring piece structure is used, the male connector is inserted, the outer part of the male connector is in contact with the spring piece in the female connector, and when the male and female connectors are inserted in place, the spring piece in the female connector is in contact with the outer part of the male connector, and the mating cooperation between the male and female connectors is achieved.

[0004] However, in actual use, it is found that the cooperation between the convex point or spring piece and the male connector is point contact, which usually has small contact area, large contact resistance, poor conductivity and high temperature rise. SUMMARY

[0005] In view of the above problems, the utility model provides a plug-in terminal structure which can reduce contact resistance, temperature rise and improve conductivity.

[0006] To achieve the above purpose, the utility model adopts a plug-in terminal structure, which includes a female terminal for mating with a male terminal outside, and a plug-in channel is formed in the female terminal. The female terminal includes a plug-in port distributed on one end of the plug-in channel, and a plurality of spring pieces distributed on the plug-in channel. The spring pieces each include two side end portions connected with the channel wall of the plug-in channel, and an inner extension portion between the two side end portions, which extends into the plug-in channel.

[0007] The plug-in cooperation stage of the female terminal and the external male terminal is that the external male terminal is inserted into the plug-in channel through the plug-in port, the inner extension part on the elastic member is in contact with the outer wall of the external male terminal, and the side surface of the plug-in channel is in continuous contact with the external male terminal during the continuous insertion of the external male terminal into the plug-in channel and the plug-in of the external male terminal into the plug-in channel, and the face contact connection between the external male terminal and the female terminal is formed.

[0008] The beneficial effects of the above structure are that the face contact between the female terminal and the male terminal is formed through the related elastic members on the female terminal after the male terminal is inserted into the female terminal through the plug-in port, the existing point contact between the male terminal and the female terminal is replaced, the contact area of the male and female terminal connectors is larger, the contact resistance is smaller, the conductivity is higher, the temperature rise is reduced, the related elastic members on the plug-in channel of the female terminal are connected to the two side end portions of the channel wall and the inner extension part between the two side end portions, the face contact between the male terminal and the female terminal is formed through the inner extension part, the structure is not limited to the plug-in terminal of the aviation plug, and the female terminal part of the structure of the male and female terminal connectors can consider the structure of the related elastic members on the plug channel.

[0009] The plug-in channel includes a plug-in end distributed between the plug-in port and the elastic members, a terminal extension part distributed between the other end of the plug-in channel and the elastic members, and a plurality of uniformly distributed connection support parts connected between the plug-in end and the terminal extension part, the number of the plurality of connection support parts is matched with the number of the plurality of elastic members, and the plurality of elastic members and the plurality of terminal connection support parts are spaced apart.

[0010] Through the above setting, the plug-in channel of the female terminal can be designed conveniently without affecting the design reliability and strength of the female terminal.

[0011] The utility model further sets up, the interval type sets up a plurality of elastic members and a plurality of terminal connecting support parts between the separate gap is set up, a plurality of the inner extension part all presents parallel extension formula towards the plug-in channel and performs the inside shrink type setting, and a plurality of the inner extension part its side towards the plug-in channel and plug-in channel parallel.

[0012] Through the above setting, the inner extension part of the plurality of elastic members can be reliably retracted in the plug-in channel, and the structure after retraction can ensure that the inner extension part of the plurality of elastic members can reliably contact the outside of the male terminal when the female terminal is plugged with the male terminal, thereby ensuring the reliability of the plug-in terminal.

[0013] The utility model further sets up, the female terminal is formed with the wire connecting mechanism on the other end relative to the distribution plug-in channel, the wire connecting mechanism includes wire clamping area and wire removal area, the wire outside the wire clamping area forms clamping limit, and the wire outside the clamping limit forms clamping removal through the wire removal area.

[0014] Through the above-mentioned wire connecting mechanism on the other end of the female terminal for plugging with the male terminal, the wire clamping area and the wire removal area involved in the wire connecting mechanism, so that the plug-in terminal structure involved in the utility model also involves the wire connecting mechanism in addition to the female terminal, so that when the plug-in terminal structure is used in electrical products such as aviation plug, the wire connecting mechanism can be connected with the wire outside, and through the cooperation of the male and female terminals, the electrical connection between the aviation plug and the aviation socket is formed. In addition, the wire connecting mechanism can realize convenient clamping when the wire is inserted into the wire connecting mechanism through the action of the wire clamping area. The wire inserted into the wire connecting mechanism can also be conveniently removed through the involvement of the wire removal area, thereby ensuring the reliability of the design.

[0015] The utility model further sets up, the wire connecting mechanism still includes the outer support frame connected with the female terminal and the movable element limited on the outer support frame, the outer support frame includes the first side wall distributed in one side of the outer support frame and the second side wall distributed in the other side of the outer support frame, the movable element includes the first resistance wall for contacting the first side wall and the second resistance wall extending to the direction of the second side wall, the wire removal area is distributed on the second resistance wall and away from the second side wall on the outer support frame;

[0016] The second side wall is provided with a clamping block in the direction opposite to the first side wall, the first contact wall contacts the first side wall, the second contact wall extends to the second side wall and contacts the clamping block, the second contact wall is limited by the second side wall, and a wire clamping area is formed for the external wire to enter the clamp.

[0017] The external wire clamped by the wire clamping area is pressed on the second contact wall by the external tool, so that the contact between the second contact wall and the clamping block is released.

[0018] The wire connecting mechanism is related to the external support frame and the movable piece, the first and second side walls are related to the external support frame, and the first and second contact walls are related to the movable piece, the first contact wall of the movable piece contacts the first side wall of the external support frame, and the second contact wall of the movable piece contacts the clamping block of the second side wall, so that the wire is clamped by the elastic force of the second contact wall in the direction of the clamping block when the wire passes between the second contact wall and the clamping block, and the wire can be conveniently removed from the plug-in terminal structure by pressing on the dismounting area of the second contact wall, so that the reliability of the plug-in terminal structure is further ensured.

[0019] The plug-in terminal structure further comprises an electrical external connecting end, one end of the electrical external connecting end is connected with the second side wall of the external support frame, and the other end extends outward in the direction of the plug-in interface of the female terminal.

[0020] When the plug-in terminal is used in electrical products such as aviation plugs, and the number of plug-in terminals is multiple, and electrical connection between the plug-in terminals is required, the electrical external connecting end is designed, and the electrical external connecting end between two or more plug-in terminals is contacted during use, so that the reliability of electrical connection between the plug-in terminals in the electrical product is ensured.

[0021] The external support frame further comprises a movable piece movable support portion distributed between the first and second side walls, the movable piece further comprises an intermediate connecting portion connected between the first and second contact walls, and the intermediate connecting portion contacts the movable piece movable support portion during cooperation of the movable piece and the external support frame.

[0022] Through the above-mentioned involvement of the movable part active support part and the intermediate connecting part, the movable part can reliably move on the outer support frame. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is a first perspective view of the plug-in terminal structure of the embodiment 1 of the utility model;

[0024] Figure 2 is an exploded view of the plug-in terminal structure of the embodiment 1 of the utility model;

[0025] Figure 3 is a second perspective view of the plug-in terminal structure of the embodiment 1 of the utility model;

[0026] Figure 4 is a bottom view of the plug-in terminal structure of the embodiment 1 of the utility model;

[0027] Figure 5 is a first perspective view of the plug-in terminal structure of the embodiment 2 of the utility model;

[0028] Figure 6 is a first perspective view of the plug-in terminal of other structures of the utility model;

[0029] Figure 7 is a second perspective view of the plug-in terminal structure of the embodiment 2 of the utility model;

[0030] Figure 8 is a second perspective view of the plug-in terminal of other structures of the utility model. DETAILED DESCRIPTION

[0031] As Figures 1-8 shown, the plug-in terminal structure of the embodiment 1 of the utility model includes the female terminal 2 that forms the plug-in cooperation with the male terminal of the outside, and the female terminal 2 forms the plug-in passage b inside, the female terminal 2 includes the plug-in mouth a that is distributed on one end of the plug-in passage b, the female terminal 2 still includes several elastic members 22 that are distributed on the plug-in passage b, several elastic members 22 all include two side end portions 221 that are connected with the passage wall of the plug-in passage b respectively, and the inner extension 222 between two side end portions 221, and the inner extension 222 extends to the plug-in passage b inside;

[0032] The plug-in cooperation stage of the female terminal 2 with the external male terminal is that the external male terminal is inserted into the plug-in channel b through the plug-in port a, and when the external male terminal is inserted into the plug-in channel b and the elastic members 22 on the female terminal 2 are in contact with the external male terminal, the side surface of the inner extension part 222 of the elastic member 22 on the side of the plug-in channel b is in contact with the outer wall of the external male terminal, and the side surface of the inner extension part 222 on the side of the plug-in channel b is in continuous contact with the external male terminal, thereby forming a surface contact connection between the external male terminal and the female terminal 2.

[0033] The female terminal 2 of the utility model is used for plug-in cooperation with the male terminal, and the plug-in channel b and the plug-in port a on the female terminal 2 are in surface contact with the male terminal after the male terminal is inserted into the female terminal 2 through the plug-in port a. The plug-in cooperation between the female terminal 2 and the male terminal is replaced by the surface contact between the female terminal 2 and the male terminal through the elastic members 22. The plug-in cooperation between the female terminal 2 and the male terminal is replaced by the surface contact between the female terminal 2 and the male terminal through the elastic members 22. The contact area of the plug-in cooperation between the male terminal and the female terminal 2 is larger, the contact resistance is smaller, the conductivity is higher, and the temperature rise is lower. In addition, the elastic members 22 on the plug-in channel b of the female terminal 2 are connected to the two side end parts 221 of the channel wall of the plug-in channel b and the inner extension part 222 between the two side end parts 221. The inner extension part 222 is in surface contact with the external male terminal during plug-in cooperation. The plug-in cooperation between the female terminal 2 and the male terminal is not limited to the plug-in end 23 of the aviation plug, and the female terminal 2 of the utility model can be used in the plug-in cooperation between the male terminal and the female terminal.

[0034] As shown in Figures 1-3 , 6, 8, the plug-in channel b includes the plug-in end 23 between the plug-in port a and the elastic members 22, the terminal extension part 21 between the other end of the plug-in channel b and the elastic members 22, and the connection support part 24 arranged at intervals between the plug-in end 23 and the terminal extension part 21. The number of the elastic members 22 is matched with the number of the connection support part 24, and the elastic members 22 and the connection support part 24 are arranged at intervals. The elastic members 22 and the connection support part 24 are arranged at intervals, and the inner extension part 222 is arranged in the plug-in channel b in a parallel manner.

[0035] As Figures 1-2 shown in the figure, the female terminal 2 has a wire connecting mechanism 1 formed on the other end opposite to the end where the insertion channel b is distributed, the wire connecting mechanism 1 includes a wire clamping area and a wire releasing area d, the external wire is clamped and limited by the wire clamping area, and the clamped and limited external wire is released by the wire releasing area d.

[0036] As Figures 1-8 shown in the figure, the wire connecting mechanism 1 further includes an outer support frame 12 connected with the female terminal 2 and a movable piece 11 limited on the outer support frame 12, the outer support frame 12 includes a first side wall 124 distributed on one side of the outer support frame 12 and a second side wall 122 distributed on the other side of the outer support frame 12, the movable piece 11 includes a first contact wall 113 for contacting the first side wall 124 and a second contact wall 111 extending towards the second side wall 122, and the wire releasing area d is distributed on the second contact wall 111 and away from the second side wall 122 on the outer support frame 12.

[0037] The second side wall 122 has a clamping block 121 formed opposite to the direction towards the first side wall 124, the contact between the first contact wall 113 and the first side wall 124 forms the contact limitation of the second contact wall 111 on the second side wall 122, and the wire clamping area for the external wire to extend into the clamping is formed by the contact between the second contact wall 111 extending towards the second side wall 122 and the clamping block 121.

[0038] The external wire clamped and limited by the wire clamping area is released by the pressure of the external tool on the wire releasing area d of the second contact wall 111, which releases the contact between the second contact wall 111 and the clamping block 121.

[0039] As Figures 1-2 shown in the figure, the outer support frame 12 further includes a movable piece active support part 112 distributed between the first and second side walls, and the movable piece 11 further includes an intermediate connecting part connected between the first and second contact walls 111, and the intermediate connecting part contacts the movable piece active support part 112 during the cooperation between the movable piece 11 and the outer support frame 12.

[0040] In the second embodiment:

[0041] As Figure 5 , 7As shown, the plug-in end 23 substructure can also include an electrical external connection end 13, one end of the electrical external connection end 13 is connected with the second side wall 122 of the external support frame 12, the other end is outwardly inclined and extends in the direction of the plug-in end a of the female terminal 2; Thus, when the plug-in end 23 substructure involved in the utility model is applied to electrical products such as aviation plugs, if the number of plug-in end 23 substructures is multiple, and electrical connection between each plug-in end 23 substructure is required, the electrical external connection end 13 can be designed in this way, and when used, the electrical external connection end 13 between two or more plug-in end 23 substructures is contacted, thereby ensuring the reliability of electrical connection between each plug-in end 23 substructure in the electrical product.

Claims

1. A plug-in terminal structure comprising a female terminal which forms a plug-in engagement with a male terminal from the outside, and a plug-in passage is formed inside the female terminal, said female terminal comprising a plug-in port which is distributed on one end of the plug-in passage, characterized in that: The female terminal also includes a plurality of spring members distributed on the insertion channel. Each of the plurality of spring members includes two end portions connected to the channel wall of the insertion channel and an inner extension portion located between the two end portions, the inner extension portion extending into the insertion channel. ​ During the mating stage between the female terminal and the external male terminal, the external male terminal is inserted into the mating channel through the insertion interface. When the external male terminal is inserted into the mating channel, there is a spring-loaded part. The inner extension of the spring-loaded part abuts against the outer wall of the external male terminal on one side facing the mating channel. As the external male terminal continues to be inserted into the mating channel and is fully inserted into the mating channel, the side facing the mating channel is in a continuous abutment state with the external male terminal, thus forming a surface contact connection between the external male terminal and the female terminal.

2. The plug-in terminal structure according to claim 1, characterized by: The insertion channel includes insertion ends distributed between the insertion interface and several spring members, terminal extensions distributed between the other end of the insertion channel and several spring members, and several evenly distributed connection support portions connecting the insertion ends and the terminal extension portions. The number of connection support portions is adapted to the number of spring members, and the several spring members and the several terminal connection support portions are arranged at intervals.

3. The plug-in terminal structure according to claim 2, characterized by: The spaced arrangement provides a gap between several elastic members and several terminal connection support parts. The several inner extensions are all parallel and extend inward toward the insertion channel, and the sides of the several inner extensions facing the insertion channel are parallel to the insertion channel.

4. The plug-in terminal structure according to claim 1, 2 or 3, characterized by: A wire connection mechanism is formed on the other end of the female terminal opposite to the one where the plug-in channels are distributed. The wire connection mechanism includes a wire clamping area and a wire disconnection area. External wires are clamped and limited by the wire clamping area, and the clamped and limited external wires are released by the wire disconnection area.

5. The plug-in terminal structure according to claim 4, characterized by: The wire connection mechanism further includes an outer support frame connected to the female terminal and a movable member that is positioned at the upper limit of the outer support frame. The outer support frame includes a first side wall distributed on one side of the outer support frame and a second side wall distributed on the other side of the outer support frame. The movable member includes a first abutting wall for contacting the first side wall and a second abutting wall extending toward the second side wall. The wire disconnection area is distributed on the second abutting wall and is away from the second side wall on the outer support frame. A locking block is formed on the second sidewall relative to the direction facing the first sidewall. The first abutting wall contacts the first sidewall, and the second abutting wall extending towards the second sidewall contacts the locking block, forming a contact limit between the second abutting wall and the second sidewall, and forming a wire clamping area for external wires to be inserted and clamped. An external wire that has been clamped and limited by the wire clamping area is released from contact by external tools applied to the second contact wall’s disconnection area.

6. The plug-in terminal structure according to claim 5, characterized by: The plug-in terminal structure also includes an electrical external connection terminal, one end of which is connected to the second side wall of the outer support frame, and the other end is set to extend outward at an angle toward the plug-in interface of the female terminal.

7. The plug-in terminal structure according to claim 5 or 6, characterized by: The outer support frame further comprises a movable support part of the movable member distributed between the first and second side walls, the movable member further comprises an intermediate connecting part connected between the first and second abutting walls, and the intermediate connecting part abuts against the movable support part of the movable member in the cooperation stage of the movable member and the outer support frame.

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