CN210224362U - Electric connection terminal and male-female inter-matching electric connector applied by same - Google Patents
Electric connection terminal and male-female inter-matching electric connector applied by same Download PDFInfo
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- CN210224362U CN210224362U CN201920804242.4U CN201920804242U CN210224362U CN 210224362 U CN210224362 U CN 210224362U CN 201920804242 U CN201920804242 U CN 201920804242U CN 210224362 U CN210224362 U CN 210224362U
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- elastic sheet
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- contact
- male
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- 239000000758 substrate Substances 0.000 claims abstract description 43
- 210000001503 joint Anatomy 0.000 claims abstract description 9
- 230000013011 mating Effects 0.000 claims description 10
- 230000007306 turnover Effects 0.000 claims description 7
- 238000005452 bending Methods 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 2
- 238000009413 insulation Methods 0.000 claims 13
- 230000005611 electricity Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 239000012634 fragment Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000009194 climbing Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses an electric connection terminal has the substrate, extends and turns over a formation flexure strip at the front end edge of substrate, turns over the flexure strip that turns over and forms the contact of protruding form, forms external junction at the rear end of substrate. The utility model discloses still openly use above-mentioned electric connecting terminal's public female electric connector that interworks, installed a terminal separately in the appearance chamber of public end insulating casing and female end insulating casing at least, at least one terminal is above-mentioned electric connecting terminal in two terminals of mutual butt joint. The utility model discloses simple structure, the elasticity of flexure strip is strong, makes the contact inseparable, and the electricity is connected more reliably, has made things convenient for the production equipment of application product.
Description
Technical Field
The utility model relates to an electric connector's technical field, in particular to public female electric connector that interworks of electric connection terminal.
Background
In the prior art, the electrical connection between the male terminal and the female terminal is achieved by adopting a wire, which is troublesome and has a defect of weak connection, or by adopting a male-female butt connector, which is convenient and is roughly shown in fig. 1 or fig. 2, however, by carefully analyzing the terminal structure, it is not easy to find that the male terminal 100 and the female terminal 200 in fig. 1 and fig. 2 both form the raised spring contacts 110 and 210 at the positions where they contact each other, the spring elasticity is weak, the contact tightness between the contacts 110 and 210 is poor, and the reliability of the electrical connection is poor, so that there is a need for improvement.
Therefore, the inventor of the present invention has developed a new male and female electrical connector, and the present invention is developed accordingly.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an electric connecting terminal to and the public female electric connector of mutually supporting of using this electric connecting terminal, its simple structure, shell fragment elasticity is strong, and the contact is inseparable, and the electricity is connected more reliably.
In order to achieve the above object, the solution of the present invention is:
an electric connection terminal has a substrate, an elastic piece formed by extending and folding over the front end edge of the substrate, a convex contact formed by the folded elastic piece, and an external connection part formed at the rear end of the substrate.
The folded elastic sheet is provided with a front section, a middle section and a rear section, the middle of the elastic sheet is higher than the front section and the rear section, and the convex part is a contact of the elastic sheet.
The front end of the substrate extends from the side edge and is laterally folded to form an elastic sheet, and the elastic sheet inclines forwards and backwards in the vertical direction of the laterally folded and folded state, so that the middle of the elastic sheet is higher than the front and the back.
The middle of the elastic piece is a plane, and the middle plane is higher than the front and the back of the downward inclination.
The middle of the elastic piece is an arc surface, and the middle arc surface is higher than the front part and the rear part which are inclined downwards.
The front end of the substrate extends at the front edge and turns back to form an elastic sheet, and the turned elastic sheet is in a cambered surface bulge or a plane bulge in the middle.
The folded elastic piece is provided with a front section and a rear section, the elastic piece forms a protruding shape with the rear section higher than the front section, the protruding part is a contact of the elastic piece, and the rear section is a cambered surface protrusion or a plane protrusion.
The external connection part is formed by bending back the rear end of the substrate to form a wire contact spring sheet for the external wire to be electrically connected.
The substrate is straight, and the folded elastic sheet and the bent wire contact elastic sheet are positioned on the same side of the substrate.
The substrate is bent twice in the middle to form a Z shape, and the folded elastic sheet and the bent conducting wire contact elastic sheet are respectively positioned on two sides of the substrate.
The external connection part is formed by bending the rear end of the substrate to form a welding leg for electrically connecting the PCB.
And the substrate is provided with a barb for installation and positioning.
A male-female mutual-matching electric connector comprises a male-end insulating shell and a female-end insulating shell, wherein the male-end insulating shell and the female-end insulating shell are respectively provided with a through containing cavity; at least one terminal is respectively arranged in the containing cavities of the male end insulating shell and the female end insulating shell, each terminal is provided with a contact for butt joint and corresponds to a butt joint socket, and an external connection part and corresponds to an external connection port; at least one of the two terminals which are butted with each other is the electric connection terminal, the electric connection terminal is provided with a substrate, the front end edge of the substrate extends and is folded to form an elastic sheet, the folded elastic sheet forms a contact in a convex shape, and an external connection part is formed at the rear end of the substrate; when the male end insulating shell and the female end insulating shell move to be jointed with each other, the terminal contacts in the cavities of the male end insulating shell and the female end insulating shell are kept in close contact under the action of the turnover elastic sheets.
The elastic sheet folded over the electric connection terminal has a front section, a middle section and a rear section, the elastic sheet forms a convex shape with the middle higher than the front section and the rear section, the convex part is a contact of the elastic sheet, and when the male end insulating shell and the female end insulating shell move to be jointed with each other, the contact of the electric connection terminal is kept in close contact with the other terminal at the highest position in the middle or the rear section.
The elastic piece folded and folded by the electric connecting terminal is provided with a front section and a rear section, the elastic piece forms a protruding shape with the rear section higher than the front section, the protruding part is a contact of the elastic piece, the rear section is a cambered surface protrusion or a plane protrusion, and when the male end insulating shell and the female end insulating shell move to be mutually jointed, the contact of the electric connecting terminal is kept in close contact with the other terminal at the rear section.
The two terminals which are butted with each other are the electric connecting terminals, and when the male end insulating shell and the female end insulating shell are moved to be mutually jointed, the terminal contacts in the cavities of the male end insulating shell and the female end insulating shell are kept in close contact under the action of the two turnover elastic sheets.
One of the terminals in butt joint is the electric connecting terminal, the other terminal is a common terminal, and the common terminal is directly lifted to form a butt joint contact.
And barbs formed on the terminals are matched with the inner walls of the corresponding cavities and fixed in the cavities.
After the scheme is adopted, the utility model discloses simple structure, simple to operate. Because the utility model discloses a contact of electric connection terminal forms on the flexure strip that turns over a book, and the elasticity of flexure strip is strong, makes the contact inseparable, and the electricity is connected more reliably, has made things convenient for the production equipment of application product. In the application, when the opposite sockets of the male end insulating shell and the female end insulating shell are mutually butted, the mutually butted terminals are fully and closely contacted with the contacts of the two terminals along with the relative displacement of the turnover elastic pieces under the action of at least one turnover elastic piece, so that the reliable electric connection of the male end and the female end is realized.
The present invention will be further explained with reference to the drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of a conventional male-female mating electrical connector;
fig. 2 is a schematic structural diagram of another conventional male-female mating electrical connector;
fig. 3 is a sectional view of a male-female electrical connector according to an embodiment of the present invention;
fig. 4 is an exploded view of a male-female electrical connector according to an embodiment of the present invention;
fig. 5 is a structural diagram of an embodiment of an electrical connection terminal according to the present invention;
FIG. 5-1 is a side view of FIG. 5;
fig. 6 is a structural schematic diagram of a first form of an electrical connection terminal according to an embodiment of the present invention;
FIG. 6-1 is a side view of FIG. 6;
fig. 7 is a sectional view of a male-female electrical connector according to a second embodiment of the present invention;
fig. 8 is an exploded view of a male-female electrical connector according to a second embodiment of the present invention;
FIG. 9 is a structural diagram of a second embodiment of the present invention;
FIG. 9-1 is a side view of FIG. 9;
FIG. 10 is a first structural schematic view of a second electrical connection terminal according to an embodiment of the present invention;
FIG. 10-1 is a side view of FIG. 10;
FIG. 11 is a second structural schematic diagram of a second embodiment of the second electrical connection terminal of the present invention;
FIG. 11-1 is a side view of FIG. 11;
fig. 12-1 shows a first terminal fitting pattern of the present invention;
fig. 12-2 shows a second terminal fitting pattern of the present invention;
fig. 12-3 show a third terminal fitting pattern according to the present invention.
Description of the reference symbols
electrical connection terminal 1: the device comprises a substrate 11, an elastic sheet 12, a contact 13, an external connection part 14 and a barb 15;
male end insulating case 2: a housing 21, a counter-insertion opening 22, an external connection opening 23,
female terminal insulating case 3: a cavity 31, an opposite socket 32 and an external interface 33.
And a wire 4.
Detailed Description
As shown in fig. 3 to 12-3, the present invention discloses an electrical connection terminal 1 and a male-female mating electrical connector applied to the electrical connection terminal.
The structure of the electrical connection terminal 1 of the present invention is as shown in fig. 5, 5-1, 6-1, 9-11-1, and has a substrate 11, which extends at the front end edge of the substrate 11, and turns over to form an elastic sheet 12, the elastic sheet 12 turned over forms a contact 13 in a convex shape, and an external connection part 14 is formed at the rear end of the substrate 11.
It should be noted that the protruding form of the elastic sheet 12 may be various: for example, the folded elastic piece 12 has a front section, a middle section and a rear section, the elastic piece 12 forms a convex shape with the middle part higher than the front section and the rear section, the convex part is the contact 13 of the elastic piece 12, the convex shape is caused by the relative height of the middle part and the front section and the rear section, the convex shape of the elastic piece 12 can be but not limited to a cambered surface convex, a plane convex or a convex with other shapes, so that the contact 13 formed by the convex is butted when the male and female are matched with each other, and in actual use, the contact 13 keeps close contact with another terminal at the highest part in the middle (as shown in fig. 12-2) or the rear section (as shown in fig. 12; for another example, the folded elastic piece 12 has a front section and a rear section, the elastic piece 12 forms a convex shape with the rear section higher than the front section, the convex portion is the contact 13 of the elastic piece 12, the convex shape is caused by the rear section being relatively high and the front section being relatively low, the rear section can be, but not limited to, a cambered surface protrusion or a plane protrusion, so that the contact 13 formed by the protrusion is butted when the male and female terminals are matched with each other, and in actual use, the contact 13 is kept in close contact with another terminal at the rear section (as shown in fig. 12-3).
In the first embodiment shown in fig. 5, 5-1, 6 and 6-1, the front end of the substrate 11 is extended at the front edge and is turned back to form the elastic sheet 12, the turned elastic sheet 12 forms the contact 13 at the middle protrusion, which may be a cambered protrusion (shown in fig. 5 and 6) or a flat protrusion.
In the second embodiment shown in fig. 9 to 11-1, the front end of the base sheet 11 extends at the side edge and is laterally folded to form the elastic sheet 12, and the front and rear sections of the elastic sheet 12 in the vertical direction of the lateral folding are inclined downwards, so that the middle of the elastic sheet 12 is higher than the front and rear sections and is in a convex shape. Specifically, the middle of the elastic sheet 12 shown in fig. 9 to 11-1 is a plane, and the middle plane is higher than the front and rear sections inclined downward. The middle of the elastic piece 12 can also be an arc surface (similar to that shown in fig. 5 and 6), and the arc surface of the middle is higher than the front and rear sections which are inclined downwards.
The embodiment of the utility model provides a one and two, external portion 14 is bent back at 11 rear ends of substrate and forms wire contact shell fragment, supplies to carry out the electricity with external conductor 5 and connects. In order to make the utility model discloses can be applicable to different products, external portion 14 also can be bending type and become the leg, supply to be connected with external PCB board electricity.
In addition, in order to facilitate the assembly, increase the assembly recognition, have the fool-proof function, as shown in fig. 5 and fig. 9, the substrate 11 of the present invention is straight, the folded elastic sheet 12 and the bent wire contact elastic sheet (external connection part 14) are located on the same side of the substrate 11, the structure of the present invention is assembled in the male end; as shown in fig. 6, fig. 10 and fig. 11, the substrate 11 is bent twice in the middle to form a zigzag shape, and the folded elastic piece 12 and the bent wire contact elastic piece (external part 14) are respectively located on both sides of the substrate 11, and the structure of the present invention is assembled in the female terminal. Therefore, different terminals have the characteristic of being recognizable and can be quickly assembled in corresponding insulating shells, so that the electric connection is convenient, and the assembly is further convenient.
The electric connection terminal 1 of the present invention is that the substrate 11 is further formed with a barb 15 for mounting and positioning.
The utility model discloses an electric connecting terminal 1 application is as shown in figure 3, figure 4, figure 7 and figure 8, a public female electric connector that interworks, including public end insulating casing 2 and female end insulating casing 3, public end insulating casing 2 and female end insulating casing 3 have respectively that link up hold chamber 21 and 31. One ends (opposite ends) of the male-end insulating case 2 and the female-end insulating case 3 form the mating ports 22 and 32, and the other ends (opposite ends) form the external ports 23 and 33.
The male insulating housing 2 and the female insulating housing 3 are movable relative to each other so as to be engaged with each other at positions corresponding to the insertion holes 22 and 32 to complete electrical connection or to be disengaged from each other to release electrical connection.
At least one terminal is mounted in the receiving cavities 21 and 31 of the male and female insulating cases 2 and 3, respectively, each terminal having a contact corresponding to the mating sockets 22 and 32 for electrical connection by mating and having an external connection corresponding to the external interfaces 23 and 33 for electrical connection of the external lead 4 or PCB board.
The utility model discloses a key is: at least one of the two terminals to be mated with each other is the electrical connection terminal 1, which has a base plate 11, an elastic piece 12 formed by extending and folding over the front end edge of the base plate 11, a contact 13 formed in a convex shape by the folded elastic piece 12, and an external connection portion 14 formed at the rear end of the base plate 11. Thus, when the male and female terminal insulating cases 2 and 3 are moved to be engaged with each other, the terminal contacts in the cavities 21 and 31 corresponding to the male and female terminal insulating cases 2 and 3 can be kept in close contact by the folding elastic pieces 12.
The preferred embodiment of the present invention is as in the first and second embodiments, two terminals that butt joint each other are the above-mentioned electric connection terminal 1, so, when the male terminal insulating shell 2 and the female terminal insulating shell 3 move to joint each other (butt joint each other to sockets 22 and 32), the elastic sheet 12 is displaced relatively, make the contact 13 of the two lean on to overlap each other extrusion by beginning to lean on and lean on to the dislocation again, after finishing a climbing process, under the strong elastic action of two turnover elastic sheets 12, make the contact 13 of two terminals 1 in the male terminal insulating shell 2 and the female terminal insulating shell 3 keep more abundant, close contact in the back end (as in fig. 12-1), the electric connection is more reliable, greatly made things convenient for the production equipment of the application product.
The electrical connection fitting pattern of the contact 13 may be different for different forms of the above-described electrical connection terminal 1. As shown in fig. 12-2, when the male terminal insulating housing 2 and the female terminal insulating housing 3 are moved to be engaged with each other (the mating sockets 22 and 32 are mated with each other), the elastic pieces 12 are displaced relatively to each other, so that the contacts 13 of the two terminals 1 are overlapped with each other by pressing from the beginning, and the contacts 13 of the two terminals 1 in the male terminal insulating housing 2 and the female terminal insulating housing 3 are kept in more sufficient and close contact at the highest middle (as shown in fig. 12-1) under the strong elastic action of the two folded elastic pieces 12. As shown in fig. 12-3, when the male insulating housing 2 and the female insulating housing 3 are moved into engagement with each other (the mating sockets 22 and 32 are mated with each other), the elastic pieces 12 are displaced relatively to each other, so that the contacts 13 of the two terminals 1 are overlapped with each other by pressing from the beginning, and the contacts 13 of the two terminals 1 in the male insulating housing 2 and the female insulating housing 3 are kept in more sufficient and close contact in the rear plane (as shown in fig. 12-3) under the strong elastic action of the two folded elastic pieces 12.
Of course, the present invention may also be such that the one terminal butted against each other is the above-mentioned electrical connection terminal 1, and the other terminal is a common terminal (as shown in fig. 1 and fig. 2, or other structures), and the common terminal is directly raised to form a contact for butting. At this time, the present invention provides strong elasticity of the folding elastic piece 12 by means of one of the above-mentioned electric connection terminals 1, and also can achieve reliable electric connection exceeding the prior art (fig. 1 and 2).
In order to facilitate the fixation of the electric connection terminal 1 with the male end insulating housing 2 and the female end insulating housing 3, the utility model discloses further form barb 15 on the electric connection terminal 1 and cooperate with the inner wall that holds the chamber 21 and 31 that correspond, and fix in holding the chamber 21 and 31.
The above is only the specific embodiment of the present invention, and is not a limitation to the protection scope of the present invention. All equivalent changes made according to the design idea of the present application fall within the protection scope of the present application.
Claims (10)
1. An electrical connection terminal characterized by: the contact structure comprises a substrate, an elastic sheet is formed by extending and folding the front end edge of the substrate, the folded elastic sheet forms a convex contact, and an external connection part is formed at the rear end of the substrate;
the folded elastic sheet is provided with a front section and a rear section, and the rear section of the elastic sheet is higher than the front section of the elastic sheet in a convex shape;
or the folded elastic sheet is provided with a front section, a middle section and a rear section, and the middle of the elastic sheet is higher than the front section and the rear section.
2. An electrical connection terminal as claimed in claim 1, wherein: when the turned elastic piece is provided with a front section and a rear section, the protruding part of the rear section of the elastic piece is a contact of the elastic piece, and the rear section is in a cambered surface protruding shape or a plane protruding shape.
3. An electrical connection terminal as claimed in claim 1, wherein: when the folded elastic sheet is provided with a front section, a middle section and a rear section, the convex part in the middle of the elastic sheet is a contact of the elastic sheet.
4. An electrical connection terminal as claimed in claim 3, wherein: the front end of the substrate extends from the side edge and is laterally folded to form an elastic sheet, the elastic sheet inclines forwards and backwards in the vertical direction of the lateral folding, the middle of the elastic sheet is higher than the front and the back, and the middle of the elastic sheet is a plane or an arc surface.
5. An electrical connection terminal as claimed in claim 3, wherein: the front end of the substrate extends at the front edge and turns back to form an elastic sheet, and the turned elastic sheet is in a cambered surface bulge or a plane bulge in the middle.
6. An electrical connection terminal as claimed in claim 1, wherein: the external connection part is formed by bending back the rear end of the substrate to form a wire contact elastic sheet for the external wire to be electrically connected; or the external connection part is formed by bending the rear end of the substrate to form a welding leg for electrically connecting the PCB.
7. An electrical connection terminal as claimed in claim 6, wherein: the substrate is straight, and the folded elastic sheet and the bent wire contact elastic sheet are positioned on the same side of the substrate; or the substrate is bent twice in the middle to form a Z shape, and the folded elastic sheet and the bent conducting wire contact elastic sheet are respectively positioned on two sides of the substrate.
8. A male-female electric connector is characterized in that: the insulation shell comprises a male end insulation shell and a female end insulation shell, wherein the male end insulation shell and the female end insulation shell are respectively provided with a through cavity, one end of the male end insulation shell and one end of the female end insulation shell form an opposite socket, the other end of the male end insulation shell and the other end of the female end insulation shell form an external interface, and the male end insulation shell and the female end insulation shell can move relatively to enable the male end insulation shell and the female end insulation shell to be jointed or separated with each other in the opposite; at least one terminal is respectively arranged in the containing cavities of the male end insulating shell and the female end insulating shell, each terminal is provided with a contact for butt joint and corresponds to a butt joint socket, and an external connection part and corresponds to an external connection port; wherein at least one of the two terminals is an electrical connection terminal as claimed in any one of claims 1 to 7, and has a substrate, an elastic piece is formed by extending and folding over the front edge of the substrate, the folded elastic piece forms a contact in a convex shape, and an external connection part is formed at the rear end of the substrate; when the male end insulating shell and the female end insulating shell move to be jointed with each other, the terminal contacts in the cavities of the male end insulating shell and the female end insulating shell are kept in close contact under the action of the turnover elastic sheets.
9. A male-female electrical mating connector according to claim 8, wherein: the elastic sheet folded over the electric connecting terminal is provided with a front section, a middle section and a rear section, the middle of the elastic sheet is higher than the front section and the rear section, the protruding part is a contact of the elastic sheet, and when the male end insulating shell and the female end insulating shell are moved to be mutually jointed, the contact of the electric connecting terminal is kept in close contact with the other terminal at the highest position in the middle or the rear section;
or, the elastic sheet folded over the electric connection terminal has a front section and a rear section, the elastic sheet forms a protruding shape with the rear section higher than the front section, the protruding part is a contact of the elastic sheet, the rear section is a cambered surface protrusion or a plane protrusion, and when the male end insulating shell and the female end insulating shell move to be mutually jointed, the contact of the electric connection terminal keeps close contact with the other terminal at the rear section.
10. A male-female electrical mating connector according to claim 8, wherein: the two terminals butted against each other are both an electrical connection terminal as claimed in any one of claims 1 to 7, and when the male-end insulating housing and the female-end insulating housing are moved to be engaged with each other, the terminal contacts in the cavities of the male-end insulating housing and the female-end insulating housing are kept in close contact under the action of the two turnover elastic pieces;
alternatively, one of the terminals to be butted against each other is an electric connection terminal as claimed in any one of claims 1 to 7, and the other terminal is a normal terminal which is directly raised to form a contact for butting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920804242.4U CN210224362U (en) | 2019-05-30 | 2019-05-30 | Electric connection terminal and male-female inter-matching electric connector applied by same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920804242.4U CN210224362U (en) | 2019-05-30 | 2019-05-30 | Electric connection terminal and male-female inter-matching electric connector applied by same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210224362U true CN210224362U (en) | 2020-03-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920804242.4U Active CN210224362U (en) | 2019-05-30 | 2019-05-30 | Electric connection terminal and male-female inter-matching electric connector applied by same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210224362U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110148854A (en) * | 2019-05-30 | 2019-08-20 | 厦门广泓工贸有限公司 | A kind of electric connection terminal and its mutual electrical connector of male and female of application |
-
2019
- 2019-05-30 CN CN201920804242.4U patent/CN210224362U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110148854A (en) * | 2019-05-30 | 2019-08-20 | 厦门广泓工贸有限公司 | A kind of electric connection terminal and its mutual electrical connector of male and female of application |
| CN110148854B (en) * | 2019-05-30 | 2024-02-27 | 厦门广泓工贸有限公司 | Electric connection terminal and male-female mutual power distribution connector applied to same |
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