CN218215769U - Electric connection terminal and electric connection device - Google Patents

Electric connection terminal and electric connection device Download PDF

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Publication number
CN218215769U
CN218215769U CN202221460763.0U CN202221460763U CN218215769U CN 218215769 U CN218215769 U CN 218215769U CN 202221460763 U CN202221460763 U CN 202221460763U CN 218215769 U CN218215769 U CN 218215769U
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China
Prior art keywords
conductive part
connection terminal
conductive
channel
electrical connection
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CN202221460763.0U
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Chinese (zh)
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杜桂兵
梁敏劲
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Shenzhen Greda Electricity Connected Devices Co ltd
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Shenzhen Greda Electricity Connected Devices Co ltd
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Abstract

The application provides an electric connection terminal and an electric connection device, wherein the electric connection terminal comprises a first electric connector and a first electric conduction part, and a first plugging channel is formed in the first electric conduction part; the second electric connector comprises a second conductive part, a second inserting channel is formed inside the second conductive part, and the first conductive part is inserted into the second inserting channel so that the outer peripheral wall of the first conductive part is attached to the inner peripheral wall of the second conductive part; and the third electric connector is arranged in the second inserting channel, electrically connected with the second conductive part and inserted into the first inserting channel so that the outer peripheral wall of the third electric connector is attached to the inner peripheral wall of the first conductive part. The electric connection terminal is attached to the inner peripheral wall of the first electric connector and the inner peripheral wall of the second electric connector due to the fact that the outer peripheral wall of the third electric connector is attached to the inner peripheral wall of the first electric connector, the electric contact area of the electric connection terminal is increased, and therefore the overcurrent performance of the electric connection terminal is effectively improved.

Description

Electric connection terminal and electric connection device
Technical Field
The present application belongs to the technical field of electrical connection devices, and more particularly, to an electrical connection terminal and an electrical connection device.
Background
The electric connection terminal generally comprises two conductive connectors, a circuit between two devices can be conducted after the two conductive connectors are mutually inserted, and then the overcurrent performance of the electric connection terminal is greatly reduced due to the fact that the contact area between the two conductive connectors of the traditional electric connection terminal is small.
Disclosure of Invention
An object of the embodiments of the present application is to provide an electrical connection terminal and an electrical connection device, so as to solve the technical problem that the overcurrent performance of the electrical connection terminal is greatly reduced due to a small contact area between two conductive contacts of the electrical connection terminal in the prior art.
In order to achieve the above purpose, the embodiment of the present application adopts the following technical solutions: provided is an electrical connection terminal including:
the first electric connector comprises a first conductive part, and a first plugging channel is formed inside the first conductive part;
the second electric connector comprises a second conductive part, a second inserting channel is formed inside the second conductive part, and the first conductive part is inserted into the second inserting channel so that the outer peripheral wall of the first conductive part is attached to the inner peripheral wall of the second conductive part;
and the third electric connector is arranged in the second plugging channel and is electrically connected with the second conductive part, and the third electric connector can be plugged in the first plugging channel after the first conductive part is plugged in the second plugging channel so that the peripheral wall of the third electric connector is attached to the inner peripheral wall of the first conductive part.
Optionally, the electrical connection terminal further includes a conductive crown spring that is interference-fitted in the first plugging channel, and the conductive crown spring can be sleeved outside the third electrical connector after the third electrical connector is plugged in the first plugging channel.
Optionally, the first conductive part includes a base and a plurality of pressing claws connected to a side of the base close to the second electrical connector, and the pressing claws are distributed at intervals around a central axis of the first conductive part and enclose to form the first plugging channel.
Optionally, the electrical connection terminal further includes an elastic ring that is interference-fitted in the first plugging channel, and the elastic ring is disposed at an end of the first conductive portion close to the second electrical connector.
Optionally, a clamping structure is arranged between the elastic ring and at least one of the pressing claws.
Optionally, the inner wall of the first inserting channel is provided with a first step portion, and one end of the elastic ring close to the seat body abuts against the first step portion.
Optionally, an end port of the conductive crown spring near the second electrical terminal is in a trumpet-shaped structure.
Optionally, a second step portion is disposed on an inner wall of the first plugging channel, and the conductive crown spring abuts against the second step portion.
Optionally, the third electrical connector is detachably connected to the second conductive portion.
The electric connection terminal provided by the application at least has the following beneficial effects: compared with the prior art, this application is through the inside first grafting passageway that forms at first conductive part, and simultaneously, form second grafting passageway in the inside of second conductive part, and set up third electricity and connect in second grafting passageway, when first conductive part is pegged graft in second grafting passageway, third electricity connects in first grafting passageway, make the periphery wall of first conductive part laminate with the inner peripheral wall of second conductive part, in order to realize first electricity and second electricity and connect electric connection, and simultaneously, the periphery wall of third electricity and the inner peripheral wall of first conductive part laminate, in order to realize first electricity and third electricity and connect electric connection, so, effectively increased the electric contact area of electric connection terminal, thereby effectively promoted electric connection terminal's overcurrent performance.
To achieve the above object, the present invention further provides an electrical connection device, including the electrical connection terminal according to any one or more of the above embodiments.
Because the electric connecting terminal of any one of the embodiments is adopted in the electric connecting device, the overcurrent performance of the electric connecting device is effectively improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of an electrical connection terminal provided in an embodiment of the present application;
fig. 2 is an exploded view of the electrical connection terminal shown in fig. 1;
FIG. 3 is a schematic front view of the electrical connector shown in FIG. 1;
FIG. 4 isbase:Sub>A schematic cross-sectional view of the electrical connection terminal shown in FIG. 3 taken along the A-A direction;
fig. 5 is a schematic structural diagram of a conductive crown spring according to an embodiment of the present application.
Wherein, in the figures, the respective reference numerals:
100. an electrical connection terminal;
110. a first electrical connector; 111. a first conductive portion; 1111. a first plug channel; 1112. a base body; 1113. Pressing claws; 1114. an introduction section; 1115. a first step portion; 1116. a second step portion;
120. a second electrical connector; 121. a second conductive portion; 1211. a second plug channel;
130. a third electrical connector;
140. a conductive crown spring;
150. an elastic ring;
160. and an insulating cover.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
A first aspect of the present application provides an electrical connection terminal 100, where the electrical connection terminal 100 is used to conduct an electrical circuit between two devices, and the electrical connection terminal 100 provided in the embodiments of the present application will now be described with reference to the drawings.
Referring to fig. 1 to 4, an electrical connection terminal 100 includes a first electrical connector 110, a second electrical connector 120, and a third electrical connector 130. The first electrical connector 110 includes a first conductive part 111, a first plug channel 1111 is formed inside the first conductive part 111, it is understood that the first plug channel 1111 extends along the length direction of the first conductive part 111, and one end of the first plug channel 1111 has a first plug port; the second electrical connector 120 includes a second conductive part 121, a second inserting channel 1211 is formed inside the second conductive part 121, it can be understood that the second inserting channel 1211 extends along the length direction of the second conductive part 121, and one end of the second inserting channel 1211 has a second inserting port, the first conductive part 111 is inserted into the second inserting channel 1211 through the second inserting port, so that the outer peripheral wall of the first conductive part 111 is attached to the inner peripheral wall of the second conductive part 121; the third electrical connector 130 is disposed in the second plugging channel 1211, the third electrical connector 130 is electrically connected to the second conductive portion 121, and the third electrical connector 130 can be plugged into the first plugging channel 1111 through the first plugging port after the first conductive portion 111 is plugged into the second plugging channel 1211, so that an outer peripheral wall of the third electrical connector 130 is attached to an inner peripheral wall of the first conductive portion 111.
It is understood that the first conductive portion 111, the second conductive portion 121 and the third electrical connector 130 are all conductive metal components, and in particular, the first conductive portion 111, the second conductive portion 121 and the third electrical connector 130 are all copper components.
Compared with the prior art, the electrical connection terminal 100 provided by the present application forms the first plugging channel 1111 inside the first conductive part 111, and forms the second plugging channel 1211 inside the second conductive part 121, and arranges the third electrical connector 130 in the second plugging channel 1211, such that the third electrical connector 130 is plugged into the first plugging channel 1111 while the first conductive part 111 is plugged into the second plugging channel 1211, such that the outer circumferential wall of the first conductive part 111 is attached to the inner circumferential wall of the second conductive part 121 to electrically connect the first electrical connector 110 and the second electrical connector 120, and the outer circumferential wall of the third electrical connector 130 is attached to the inner circumferential wall of the first conductive part 111 to electrically connect the first electrical connector 110 and the third electrical connector 130, thereby effectively increasing the electrical contact area of the electrical connection terminal 100, and effectively improving the overcurrent performance of the electrical connection terminal 100.
In one embodiment of the present application, referring to fig. 2 and 4 together, the electrical connection terminal 100 further includes an electrically conductive crown spring 140 which is interference fit in the first plug channel 1111. It can be understood that, the outer peripheral wall of the electrically conductive crown spring 140 is interference fit with the inner wall of the first plug channel 1111, and the electrically conductive crown spring 140 can be sleeved outside the third electrical connector 130 after the third electrical connector 130 is plugged in the first plug channel 1111, in other words, the outer peripheral wall of the third electrical connector 130 is clearance fit with the inner wall of the first plug channel 1111.
By adopting the above technical scheme, because a certain gap exists between the outer peripheral wall of the third electrical connector 130 and the inner wall of the first plug channel 1111, the third electrical connector 130 can be more conveniently inserted into the first plug channel 1111, and because the outer peripheral wall of the conductive crown spring 140 is in interference fit with the inner wall of the first plug channel 1111, meanwhile, because the conductive crown spring 140 has a certain elasticity, after the conductive crown spring 140 is sleeved on the third electrical connector 130, the conductive crown spring 140 can effectively fix the third electrical connector 130 in the first plug channel 1111, and meanwhile, the third electrical connector 130 can be electrically conducted with the first conductive part 111 through the conductive crown spring 140.
It is understood that the conductive crown spring 140 is a conductive metal component, and in particular, the conductive crown spring 140 is a copper component.
In the above embodiment, referring to fig. 2, the first conductive part 111 includes a base 1112 and a plurality of pressing claws 1113 connected to a side of the base 1112 close to the second electrical connector 120, the pressing claws 1113 are spaced around a central axis of the first conductive part 111, and the pressing claws 1113 surround to form the first plug channel 1111.
The outer circumferential wall of the conductive crown spring 140 is in interference fit with the inner wall of the first plug channel 1111, so that each pressing claw 1113 expands outward, and the first conductive part 111 can generate a certain external tension, after the first conductive part 111 is inserted into the second plug channel 1211, each pressing claw 1113 can respectively press against the inner wall of the second plug channel 1211 under the action of the external tension, thereby effectively improving the stability of the mutual plugging of the first electric connector 110 and the second electric connector 120, and effectively prolonging the plugging and unplugging life of the electric connection terminal 100.
Specifically, referring to fig. 2, an end of the first conductive part 111 away from the base 1112 is provided with an introduction part 1114, and an outer diameter of the introduction part 1114 gradually decreases toward a direction away from the base 1112, it can be understood that an outer wall of an end of the pressing claw 1113 away from the base 1112 forms an inclined plane or an arc surface, an end of each pressing claw 1113 away from the base 1112 encloses to form the introduction part 1114, and the first conductive part 111 can be more easily inserted into the second insertion channel 1211 under the guiding action of the introduction part 1114, thereby improving the convenience of mutual insertion between the first electrical connector 110 and the second electrical connector 120.
In the above embodiment, referring to fig. 2 and fig. 4, the electrical connection terminal 100 further includes an elastic ring 150 that is interference-fitted into the first plug channel 1111, it can be understood that an outer peripheral wall of the elastic ring 150 is interference-fitted with an inner wall of the first plug channel 1111, and the elastic ring 150 is disposed at an end of the first conductive portion 111 close to the second electrical connector 120.
By interference fit of the outer peripheral wall of the elastic ring 150 and the inner wall of the first plug channel 1111, each pressing claw 1113 is further expanded, so that the first conductive part 111 can generate a larger external tension, after the first conductive part 111 is inserted into the second plug channel 1211, each pressing claw 1113 can respectively press against the inner wall of the second plug channel 1211 under the action of the external tension, thereby further improving the stability of the mutual plug-in connection of the first electrical connector 110 and the second electrical connector 120, and further improving the plug-in life of the electrical connection terminal 100.
Specifically, a fastening structure (not shown) is disposed between the elastic ring 150 and the at least one pressing claw 1113 to prevent the elastic ring 150 from being separated from the first inserting channel 1111.
Specifically, the block structure is including setting up the bayonet socket of the card portion on pressing claw 1113 and seting up in the bayonet socket of the periphery wall of elastic ring 150, or, the block structure is including seting up the bayonet socket of the inner wall on pressing claw 1113 and setting up in the card portion of the periphery wall of elastic ring 150, and after elastic ring 150 was arranged in first grafting passageway 1111, the bayonet socket was gone into to fix elastic ring 150 in first grafting passageway 1111.
Specifically, referring to fig. 4, the inner wall of the first plug channel 1111 is provided with a first step 1115, and one end of the elastic ring 150 close to the seat 1112 abuts against the first step 1115, so that the position of the elastic ring 150 in the first plug channel 1111 can be effectively limited, and the elastic ring 150 is prevented from being displaced during the process of inserting the third electrical connector 130 into the first plug channel 1111, thereby effectively improving the reliability of the electrical connection terminal 100.
In the above embodiment, please refer to fig. 5, a port of the conductive crown spring 140 near the second electrical connector 120 is in a trumpet shape, in other words, a port of the conductive crown spring 140 near the second electrical connector 120 forms a guiding structure, after the third electrical connector 130 is inserted into the first plugging channel 1111, the third electrical connector 130 can be continuously inserted into the conductive crown spring 140 under the guiding effect of the trumpet shape structure, so that the conductive crown spring 140 and the third electrical connector 130 are sleeved with each other, and convenience of plugging the third electrical connector 130 and the first electrical connector 110 into each other is effectively improved.
In the above embodiment, referring to fig. 4, the inner wall of the first inserting channel 1111 is provided with a second step 1116, and the conductive crown spring 140 abuts against the second step 1116, so that the position of the conductive crown spring 140 in the first inserting channel 1111 can be effectively limited, and the conductive crown spring 140 can be prevented from being displaced during the process of inserting the third electrical connector 130 into the conductive crown spring 140, thereby effectively improving the reliability of the electrical connection terminal 100.
In one embodiment of the present application, referring to fig. 2 and 4, the third electrical connector 130 is detachably connected to the second conductive portion 121, such that the third electrical connector 130 and the second electrical connector 120 can be separately formed, thereby facilitating the manufacturing of the electrical connection terminal 100. In the embodiment, the third electrical connector 130 is screwed to the second conductive part 121, specifically, a first screw portion is disposed in the second conductive part 121 and the second plugging channel 1211, a second screw portion is disposed at one end of the third electrical connector 130, and after the third electrical connector 130 is disposed in the second plugging channel 1211, the first screw portion and the second screw portion are screwed to each other to connect the third electrical connector 130 and the second conductive part 121 to each other.
It should be noted that the detachable connection between the third electrical connector 130 and the second conductive portion 121 includes a plurality of types, and besides the above-mentioned screw connection, the detachable connection between the third electrical connector 130 and the second conductive portion 121 may be a plug connection, a snap connection, and the like, and is not limited in particular.
In other embodiments, the third electrical connector 130 and the second conductive portion 121 may be integrally connected, for example, the third electrical connector 130 and the second conductive portion 121 are integrally welded, and for example, the third electrical connector 130 and the second conductive portion 121 are integrally molded by molding, which is not limited herein.
In one embodiment of the present application, referring to fig. 2 and 4, the electrical connection terminal 100 further includes an insulating cover 160, and the insulating cover 160 covers an end of the third electrical connector 130 close to the first conductive portion 111. Since the end of the third electrical connector 130 close to the first conductive part 111 is exposed to the second inserting channel 1211, the insulating cover 160 covers the end of the third electrical connector 130 close to the first conductive part 111, so as to effectively prevent the user from touching the third electrical connector 130 to cause an electric shock accident, and effectively improve the safety protection level of the electrical connector 100.
Specifically, referring to fig. 4, the insulating cover 160 is engaged with an end of the third electrical connector 130 close to the first conductive portion 111, for example, a card portion is disposed on an inner peripheral wall of the insulating cover 160, a card slot is disposed on an outer peripheral wall of the third electrical connector 130 close to the end of the first conductive portion 111, or a card slot is disposed on an inner peripheral wall of the insulating cover 160, a card portion is disposed on an outer peripheral wall of the third electrical connector 130 close to the end of the first conductive portion 111, and after the insulating cover 160 is covered on the end of the third electrical connector 130 close to the end of the first conductive portion 111, the card portion is engaged into the card slot to fix the insulating cover 160 on the end of the third electrical connector 130 close to the end of the first conductive portion 111.
The second aspect of the present application also provides an electrical connection device including the electrical connection terminal 100 of any one or more of the embodiments described above.
Since the electrical connection terminal 100 of any one of the above embodiments is adopted in the electrical connection device, the overcurrent performance of the electrical connection device is effectively improved.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (10)

1. An electrical connection terminal, comprising:
the first electric connector comprises a first conductive part, and a first plugging channel is formed inside the first conductive part;
the second electric connector comprises a second conductive part, a second inserting channel is formed inside the second conductive part, and the first conductive part is inserted into the second inserting channel so that the outer peripheral wall of the first conductive part is attached to the inner peripheral wall of the second conductive part;
and the third electric connector is arranged in the second plugging channel and is electrically connected with the second conductive part, and the third electric connector can be plugged in the first plugging channel after the first conductive part is plugged in the second plugging channel so that the peripheral wall of the third electric connector is attached to the inner peripheral wall of the first conductive part.
2. The electrical connection terminal of claim 1, wherein: the electric connecting terminal further comprises a conductive crown spring in interference fit in the first plugging channel, and the conductive crown spring can be sleeved outside the third electric connector after the third electric connector is plugged in the first plugging channel.
3. The electrical connection terminal of claim 2, wherein: the first conductive part comprises a base body and a plurality of pressing claws connected to one side, close to the second electric connector, of the base body, and the pressing claws are distributed at intervals around a central axis of the first conductive part and enclose to form the first plug-in channel.
4. The electrical connection terminal of claim 3, wherein: the electric connecting terminal further comprises an elastic ring in interference fit in the first inserting channel, and the elastic ring is arranged at one end, close to the second electric connector, of the first conductive part.
5. The electrical connection terminal of claim 4, wherein: and a clamping structure is arranged between the elastic ring and at least one of the pressing claws.
6. The electrical connection terminal of claim 4, wherein: the inner wall of the first inserting channel is provided with a first step part, and one end of the elastic ring close to the seat body is abutted against the first step part.
7. The electrical connection terminal of claim 2, wherein: and one end port of the conductive crown spring, which is close to the second electric connector, is of a horn-shaped structure.
8. The electrical connection terminal of claim 2, wherein: the inner wall of the first inserting channel is provided with a second step part, and the conductive crown spring is abutted against the second step part.
9. The electrical connection terminal as claimed in any one of claims 1 to 8, wherein: the third electrical connector is detachably connected to the second conductive portion.
10. An electrical connection device, comprising: the electrical connection device comprises an electrical connection terminal according to any one of claims 1 to 9.
CN202221460763.0U 2022-06-10 2022-06-10 Electric connection terminal and electric connection device Active CN218215769U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221460763.0U CN218215769U (en) 2022-06-10 2022-06-10 Electric connection terminal and electric connection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221460763.0U CN218215769U (en) 2022-06-10 2022-06-10 Electric connection terminal and electric connection device

Publications (1)

Publication Number Publication Date
CN218215769U true CN218215769U (en) 2023-01-03

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CN202221460763.0U Active CN218215769U (en) 2022-06-10 2022-06-10 Electric connection terminal and electric connection device

Country Status (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116581578A (en) * 2023-07-13 2023-08-11 深圳市格瑞达电力连接器件有限公司 Electric connector and electric connector assembly
CN116581578B (en) * 2023-07-13 2024-03-15 深圳市格瑞达电力连接器件有限公司 Electric connector and electric connector assembly

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116581578A (en) * 2023-07-13 2023-08-11 深圳市格瑞达电力连接器件有限公司 Electric connector and electric connector assembly
CN116581578B (en) * 2023-07-13 2024-03-15 深圳市格瑞达电力连接器件有限公司 Electric connector and electric connector assembly

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