CN213660768U - Electric connector group, female end connector and male end connector - Google Patents
Electric connector group, female end connector and male end connector Download PDFInfo
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- CN213660768U CN213660768U CN202022269191.5U CN202022269191U CN213660768U CN 213660768 U CN213660768 U CN 213660768U CN 202022269191 U CN202022269191 U CN 202022269191U CN 213660768 U CN213660768 U CN 213660768U
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Abstract
The utility model provides an electric connector group, female end connector and public end connector, electric connector group contains: a female end connector and a male end connector; the female end connector comprises a first insulating body and two metal elastic parts, wherein each metal elastic part is arranged on a first surface of the first insulating body and forms a first convex part penetrating into a slot of the first insulating body; the male end connector comprises a second insulating body and two metal parts, wherein each metal part is arranged on a second surface of the second insulating body and forms a first concave part; therefore, when the male end connector is inserted into the slot of the female end connector, the first concave part can be clamped with the corresponding first convex part, and the first convex parts and the first concave parts are made of metal materials, so that abrasion is not easily formed after multiple times of insertion, and the service life of the electric connector set is effectively prolonged.
Description
Technical Field
The utility model relates to an electric connector group especially relates to a line is to board electric connector group, female end connector and public end connector.
Background
The electric connector group is formed by inserting a female end connector and a male end connector, and the parts of the female end connector and the male end connector corresponding to each other are provided with clamping parts, so that the male end connector is clamped and fixed in the female end connector after insertion.
Taking a Wire To Board (WTB) connector set of the prior art as an example, as shown in fig. 5A and 5B, there are a female terminal connector 4 and a male terminal connector 5, and the female terminal connector 4 and the male terminal connector 5 have an insulating body 40, 50 respectively; wherein the insulation body 40 of the female terminal connector 4 includes a slot 41, two inner walls 411 of the slot 41 are respectively formed with a convex portion 42 near the opening 410 of the slot 41, so as to correspond to two outer sides 51 of the insulation body 50 of the male terminal connector 5 respectively formed with a concave portion 52; therefore, when the male end connector 5 is inserted into the slot 41 of the female end connector 4, the concave parts 52 of the male end connector 5 are engaged with the corresponding convex parts 42, so as to engage and fix the male end connector 5 in the female end connector 4.
However, the convex portion 42 of the female connector 4 and the concave portion 52 of the male connector 5 are integrally formed with the insulating bodies 40 and 50, and are made of plastic materials, which will cause abrasion after multiple plugging, so that the engaging effect of the convex portion 42 and the concave portion 52 is reduced, and the service life of the wire-to-board connector is shortened.
Disclosure of Invention
In view of the above, the main object of the present invention is to provide an electrical connector assembly, a female connector and a male connector with a metal engaging portion, wherein the wire-to-board connector assembly is worn by the engaging portion after being inserted for many times.
In order to achieve the above object, the present invention provides an electrical connector set, comprising:
a female end connector comprising: the first insulating body comprises a first surface, a slot and two opposite side plates, wherein the two opposite side plates are positioned on two opposite sides of the first surface, and the slot is positioned between the two opposite side plates; a terminal set accommodated in the slot of the first insulating body and penetrating out of the first insulating body; the two metal elastic parts are respectively arranged on the first surface of the first insulating body and close to the two opposite side plates, and the metal elastic parts respectively form a first convex part and penetrate into the slot; and
a male end connector comprising: a second insulator body, which is inserted into the slot of the first insulator body in a matching manner and comprises a second surface corresponding to the first convex parts of the female connector; a connection line set fixed in the second insulation body and electrically connected with the corresponding terminal set when the second insulation body is inserted into the slot of the first insulation body; and two metal parts respectively arranged on the second surface of the second insulating body and close to two opposite sides of the second insulating body, wherein the first convex part of each metal part corresponding to the metal elastic part forms a first concave part, and when the second insulating body is inserted into the slot of the first insulating body, each first convex part is clamped in the corresponding first concave part.
In the electrical connector set, a portion of each metal elastic portion of the female connector, which is close to the slot opening, further extends a first extending portion in a direction away from the slot opening, and overlaps the metal elastic portion and covers the first protruding portion.
In the electrical connector assembly, a portion of each metal elastic portion of the female connector, which is close to the corresponding side plate of the first insulating body, extends along the side plate of the first insulating body to form a first bending portion, each first bending portion includes a second concave portion, and the second concave portions are communicated with the slot; and a second bent portion is extended along the side edge of the second insulating body at a portion of each metal component of the male connector, which is close to the corresponding side edge of the second insulating body, the second bent portion includes a second convex portion corresponding to the second concave portion, the second convex portion and the corresponding side edge of the second insulating body maintain a gap, and when the second insulating body is inserted into the slot of the first insulating body, each second convex portion is engaged with the corresponding second concave portion.
In the electrical connector set, a portion of each of the first bending portions of the female connector, which is close to the slot opening, further extends a second extending portion in a direction away from the slot opening, and is overlapped on the first bending portion.
In an embodiment, the female end connector further includes a metal plate, wherein the metal plate is located between the metal elastic portions and integrally formed with the metal elastic portions to serve as an upper wall plate of the first insulating body, and the slot is located between the inner side walls of the two side plates and the upper wall plate.
In the electrical connector assembly, the metal plate of the female connector further forms two parallel guide grooves; and the second surface of the second insulating body of the male end connector further forms two side-by-side guide rails to respectively correspond to the two guide grooves of the female end connector.
In view of the above, the electrical connector assembly of the present invention has the metal elastic portions disposed on the first surface of the first insulating body of the female connector, the metal components disposed on the second surface of the second insulating body of the male connector, and a first protrusion formed on each metal elastic portion and a first recess formed on each metal component; therefore, when the female end connector is plugged with the male end connector, each first convex part is clamped with the corresponding first concave part, and the first convex parts and the first concave parts are made of metal materials, so that the electric connector set is not easy to wear after being plugged for many times, and the service life of the electric connector set is effectively prolonged.
The utility model also provides a female end connector, it contains:
a first insulating body including a first surface, a slot and two opposite side plates; a terminal set accommodated in the slot of the insulating body; and two metal elastic parts which are respectively arranged on the first surface of the insulating body and close to the two opposite side plates, and the metal elastic parts respectively form a first convex part in the slot.
In the above-mentioned female terminal connector, a portion of each metal elastic portion close to the corresponding side plate of the first insulating body extends a first bending portion along the side plate of the first insulating body, each first bending portion includes a second concave portion, and the second concave portions are communicated with the slot.
In the above-mentioned female terminal connector, a portion of each metal elastic portion close to the slot opening further extends a first extending portion in a direction away from the slot opening, and overlaps the metal elastic portion and covers the first protrusion.
In the above-mentioned female end connector, a portion of each first bending portion near the slot opening further extends a second extending portion in a direction away from the slot opening and overlaps the first bending portion.
The female terminal connector further includes a metal plate, wherein the metal plate is located between the metal elastic portions and integrally formed with the metal elastic portions to serve as an upper wall plate of the insulating body, and the slot is located between the inner side walls of the two side plates and the upper wall plate.
In the above-mentioned female terminal connector, the metal plate further forms two parallel guide grooves corresponding to the insertion groove.
According to the above technical solution, the utility model discloses a female end connector sets up these some metal elasticity portions in first insulation body's first surface to regard this first convex part of each this metal elasticity portion as the block position, be difficult for causing wearing and tearing after pegging graft many times, effectively prolong the life of this female end connector.
The utility model also provides a public end connector, it contains:
a second insulating body including a second surface; a connecting wire group fixed in the second insulating body; and
and two metal parts respectively arranged on the second surface of the second insulating body and close to two opposite sides of the second insulating body, wherein each metal part forms a first concave part corresponding to the first convex part of each metal elastic part of the female end connector, and when the second insulating body of the male end connector is inserted into the slot of the first insulating body of the female end connector, each first convex part is clamped in the corresponding first concave part.
In the above-mentioned male terminal connector, a portion of each metal member near the corresponding side of the second insulating body extends a second bent portion along the side of the second insulating body, the second bent portion includes a second protrusion, and the second protrusion and the corresponding side of the second insulating body maintain a gap.
The male terminal connector, wherein the second surface of the second insulating body further forms two side-by-side rails.
According to the above technical solution, the utility model discloses a public end connector sets up these some metal parts on the second surface of second insulator to use this first concave part of each this metal part as the block position, be difficult for causing wearing and tearing after pegging graft many times, effectively prolong the life of this public end connector.
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.
Drawings
Fig. 1 is a perspective view of the electrical connector assembly according to the first embodiment of the present invention after being plugged.
Fig. 2 is an exploded perspective view of a first embodiment of the electrical connector assembly of the present invention.
Fig. 3A to fig. 3C are partial sectional views of the electrical connector assembly of the present invention at different positions during the plugging process.
Fig. 4A to fig. 4C are partial sectional views of another part of the electrical connector set of the present invention at different positions during the plugging process.
Figure 5A is a front partial perspective view of a female end connector of the prior art.
Fig. 5B is a rear partial perspective view of a male end connector of the prior art.
Reference numerals
1: electric connector set
2: female end connector
20 first insulating body
201 first surface
202 side plate
203 inner wall surface
21: slot
211 terminal group
22 metal spring part
221 first convex part
222 first extension part
223 the first bending part
224 second recess
225 second extension part
23: metal plate
231 guide groove
3: male end connector
30 second insulating body
301 second surface
302 side edge
303: guide rail
31 connecting line group
32 metal part
321 first concave part
322 the second bending part
323 a second projection
4: female end connector
40 insulating body
41: slot
410 opening of the container
411 inner wall surface
42 convex part
5: male end connector
50 insulating body
51 side edge
52 concave part
Detailed Description
The following describes the structural and operational principles of the present invention in detail with reference to the accompanying drawings:
first, please refer to fig. 1, which shows a first embodiment of an electrical connector set 1 according to the present invention, which includes a female connector 2 and a male connector 3. In the embodiment, the electrical connector set 1 is a wire-to-board connector set, i.e. the female connector 2 is used for being soldered on a circuit board (not shown), the male connector 3 is used for being connected with a connecting wire set 31, and after the male connector 3 is plugged into the female connector 2, the connecting wire set 31 is electrically connected to the circuit board through the female connector 2.
As shown in fig. 2 and fig. 3A, the female terminal connector 2 includes a first insulating body 20, a terminal set 211, two metal elastic portions 22 and a metal plate 23.
The first insulating body 20 includes a first surface 201, a slot 21 and two opposite side plates 202; in the present embodiment, as shown in fig. 2 and fig. 4A, the two opposite side plates 202 are located at two sides of the first surface 201, and the slot 21 is located between the inner side walls 203 of the side plates 202 and is used for the male connector 3 to plug.
The two metal elastic portions 22 are respectively disposed on the first surface 201 of the first insulating body 20 and respectively close to the corresponding side plates 202, each metal elastic portion 22 includes a first protrusion 221, a first extending portion 222, a first bending portion 223, a second recess 224, and a second extending portion 225; in this embodiment, as shown in fig. 3A, the first protrusion 221 penetrates into the slot 21, and the first extending portion 222 is formed by extending the portion of the metal elastic portion 22 close to the opening of the slot 21 in a direction away from the opening of the slot 21 (i.e., is bent upward and then extends backward), and is overlapped with the metal elastic portion 22 and covers the first protrusion 221; as shown in fig. 2 and fig. 4A, the first bending portion 223 is formed by extending (i.e., extending downward) a portion of the metal elastic portion 22 close to the corresponding side plate 202 along the inner wall surface 203 of the side plate 202, and then the second concave portion 224 is formed to communicate with the slot 21, and the second extending portion 225 is formed by extending (i.e., bending outward and extending backward) a portion of the first bending portion 223 close to the opening of the slot 21 toward a direction away from the opening of the slot 21, and is overlapped with the first bending portion 223.
The metal plate 23 is located between the metal elastic parts 22; in the present embodiment, as shown in fig. 2, the metal plate 23 and the metal elastic portions 22 are integrally formed as an upper wall plate of the first insulating body 20 and are fixed on the first surface 201 of the first insulating body 20; thus, the slot 21 is located between the inner side walls 203 of the two side plates 202 and the upper wall plate, and the metal plate 23 corresponds to the slot 21 and forms two parallel guide slots 231.
The terminal set 211 includes a plurality of terminals fixed in parallel in the first insulating body 20, the front end of the terminal set penetrates the slot 21 to be received in the slot 21, and the rear end of the terminal set penetrates the back surface of the first insulating body 20 for being soldered to a circuit board (not shown).
As can be seen from the above description of the female end connector 2, the metal elastic parts 22 are disposed on the first surface 201 of the first insulating body 20, and the first protrusion 221 of each metal elastic part 22 penetrates into the slot 21 of the first insulating body 20 to serve as a fastening part, so that the female end connector 2 is not easily worn after multiple splicing, and the service life of the female end connector 2 is effectively prolonged; or the second concave portion 224 of the first bending portion 223 of each metal elastic portion 22 can be further used as an engaging portion, so as to further improve the stability after engaging.
The above is a detailed structure of the female terminal connector 2 of the present invention, and the detailed structure of the male terminal connector 3 of the present invention is further described below.
Referring to fig. 2, the male terminal connector 3 includes a second insulating body 30, a connecting wire set 31 and two metal parts 32.
As shown in fig. 3A, the second insulating body 30 has a size matching the size of the slot 21 of the first insulating body 20, and includes a second surface 301, two opposite sides 302 and two guide rails 303; in this embodiment, the second surface 301 corresponds to the metal elastic portion 22, and the guide rails 303 are formed on the second surface 301 and respectively correspond to the guide grooves 231 of the metal plate 23.
In the present embodiment, as shown in fig. 4A to 4C, the connecting wire set 31 is fixed in the second insulating body 30 to correspond to the terminal set 211 in the slot 21 of the female connector 2; when the second insulating body 30 is inserted into the slot 21 of the first insulating body 20, the connecting wire set 31 is electrically connected to the corresponding terminal set 211 in the slot 21.
The two metal parts 32 are respectively disposed on the second surface 301 of the second insulating body 30 and respectively close to the corresponding side 302, each metal part 32 includes a first concave portion 321, a second bent portion 322 and a second convex portion 323; in the present embodiment, as shown in fig. 3A, the first concave portion 321 corresponds to the first convex portion 221 of the metal elastic portion 22, and as shown in fig. 2 and fig. 4A, the second bent portion 322 is formed by extending (i.e., downwardly extending) a portion of the metal member 32 close to the corresponding side 302 along the side 302, and then the second convex portion 323 corresponding to the second concave portion 224 of the metal elastic portion 22 is formed, wherein a distance D1 is maintained between the second convex portion 323 and the corresponding side 302.
As can be seen from the above description of the male end connector 3, the metal members 32 are disposed on the second surface 301 of the second insulating body 30, and the first concave portion 321 of each metal member 32 is engaged with the first convex portion 221 of the metal elastic portion 22, so that the male end connector 3 and the female end connector 2 are not easily worn after being plugged for many times, and the service life of the male end connector 3 is effectively prolonged; or the second convex 323 of the second bending portion 322 of each metal member 32 can be further engaged with the second concave 224 of the metal elastic portion 22, so as to further improve the stability after engagement; or further, the guiding rails 303 corresponding to the guiding grooves 231 are formed on the second surface 301 of the second insulating housing 30 to serve as a fool-proof design, so as to prevent the male connector 3 from being inserted into the female connector 2 in an incorrect manner, thereby facilitating the use of the electrical connector set 1.
In addition, as shown in fig. 3A, when the male end connector 3 is inserted into the female end connector 2, the second insulating body 30 enters from the insertion slot 21 of the first insulating body 20, and since the first protrusion 221 of the metal elastic part 22 penetrates into the insertion slot 21 and is located on the insertion path of the second insulating body 30, the first protrusion 221 contacts with the second insulating body 30; as shown in fig. 3B, as the second insulating body 30 further enters the slot 21, the metal part 32 thereon contacts with the first protrusion 221 and lifts the first protrusion 221 upward; finally, as shown in fig. 3C, after the second insulating body 30 is completely inserted into the slot 21, the first protrusion 221 corresponds to and engages with the first recess 321 of the metal member 32.
As can be seen from the above description, when the male terminal connector 3 is plugged into the female terminal connector 2, the first protrusion 221 is engaged with the first recess 321 only through the second insulating body 30 and the metal member 32, and since the first protrusion 221 and the first recess 321 are made of metal, they are not easily worn after multiple plugging, so as to effectively prolong the service life of the electrical connector set 1; it should be noted that, in order to consider that the metal elastic portion 22 may be deformed during long-term insertion and extraction, so as to reduce the engaging effect, the present invention can further overlap the first extending portion 222 on the first protrusion 221, i.e. overlap the place with the largest deformation, so as to limit the deformation of the metal elastic portion 22, avoid the deformation of the metal elastic portion 22, and maintain the engaging effect of the first protrusion 221 and the first recess 321.
In addition, as shown in fig. 4A, when the male end connector 3 is inserted into the female end connector 2, the second convex part 323 of the second bending part 322 contacts with the first bending part 223; as shown in fig. 4B, as the second insulating body 30 further penetrates into the slot 21, the second protrusion 323 will lift the first bending portion 223 outwards; finally, as shown in fig. 4C, after the second insulating body 30 is completely inserted into the slot 21, the second convex portion 323 corresponds to and engages with the two concave portions 224 of the first bending portion 223. Therefore, the utility model discloses a public end connector 3 all with the interior top surface and the inside wall block of slot 21 of this female end connector 2 on its top surface and side, provides stable block effect.
To sum up, the electric connector assembly of the present invention mainly includes the metal elastic portions disposed on the first surface of the first insulating body of the female connector, the corresponding metal components disposed on the second surface of the second insulating body of the male connector, and the first protruding portions of the metal elastic portions are engaged with the corresponding first recessed portions of the metal components after plugging, and the first protruding portions and the first recessed portions are made of metal material, so that the electric connector assembly is not easily worn after multiple plugging, the service life of the electric connector assembly is effectively prolonged, and the first extending portions are further overlapped on the metal elastic portions, thereby limiting the deformation of the metal elastic portions during plugging, and maintaining the engaging effect of the first protruding portions and the first recessed portions; in addition, the first bending part can be further extended from each metal elastic part, the second bending part is extended from each metal part, after the plugging, the second convex part of the second bending part is clamped with the second concave part of the first bending part, and the second convex parts and the second concave parts are made of metal materials, so that the abrasion is not easy to cause after the plugging for many times, the service life of the electric connector set is effectively prolonged, the second extending part is further overlapped with the first bending part, a gap is kept between each second convex part and the corresponding side edge, the deformation quantity of the first bending part is limited and reduced, and the clamping effect of the second convex part and the second concave part is kept; in addition, the metal plate of the female end connector is provided with the guide grooves, and the second insulation body of the male end connector is provided with the corresponding guide rails, so that the male end connector is prevented from being inserted into the female end connector in an incorrect mode, and the electric connector set is convenient to use.
Naturally, the present invention can be embodied in many other forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be made by one skilled in the art without departing from the spirit or essential attributes thereof, and it is intended that all such changes and modifications be considered as within the scope of the appended claims.
Claims (15)
1. An electrical connector assembly, comprising: a female end connector and a male end connector;
the female end connector comprises:
the first insulating body comprises a first surface, a slot and two opposite side plates, wherein the two opposite side plates are positioned on two opposite sides of the first surface, and the slot is positioned between the two opposite side plates;
a terminal set accommodated in the slot of the first insulating body and penetrating out of the first insulating body; and
two metal elastic parts which are respectively arranged on the first surface of the first insulating body and close to the two opposite side plates, and each metal elastic part respectively forms a first convex part and penetrates into the slot;
and
the male end connector comprises:
a second insulating body, which is inserted into the slot of the first insulating body in a matching manner and comprises a second surface corresponding to the first convex parts of the female connector;
a connection line set fixed in the second insulation body and electrically connected with the corresponding terminal set when the second insulation body is inserted into the slot of the first insulation body; and
the two metal components are respectively arranged on the second surface of the second insulating body and close to two opposite sides of the second insulating body, the first convex parts of the metal components corresponding to the metal elastic parts form first concave parts, and when the second insulating body is inserted into the slot of the first insulating body, the first convex parts are clamped in the corresponding first concave parts.
2. The electrical connector set as in claim 1, wherein a portion of each of the metal elastic portions of the female connector near the slot opening further extends a first extension portion away from the slot opening, and overlaps the metal elastic portion and covers the first protrusion.
3. The electrical connector set of claim 2, wherein:
a first bent part extends from a part, close to the corresponding side plate of the first insulating body, of each metal elastic part of the female end connector along the side plate of the first insulating body, each first bent part comprises a second concave part, and a plurality of second concave parts are communicated with the slots; and
the portion of each metal component of the male connector, which is close to the corresponding side of the second insulator, extends along the side of the second insulator to form a second bent portion, the second bent portion includes a second protrusion corresponding to the second recess, the second protrusion and the corresponding side of the second insulator maintain a gap, and when the second insulator is inserted into the slot of the first insulator, each second protrusion is engaged with the corresponding second recess.
4. The electrical connector set as in claim 3, wherein a portion of each of the first bending portions of the female connector near the slot opening further extends a second extending portion away from the slot opening and overlaps the first bending portion.
5. The electrical connector assembly as in claim 4, wherein the female connector further comprises a metal plate, wherein the metal plate is located between and integrally formed with the plurality of metal elastic portions as an upper wall plate of the first insulating body, and the slot is located between the inner sidewalls of the two side plates and the upper wall plate.
6. The electrical connector set of claim 5, wherein:
the metal plate of the female end connector further forms two parallel guide grooves; and
the second surface of the second insulating body of the male end connector further forms two side-by-side guide rails to correspond to the two guide grooves of the female end connector, respectively.
7. A female end connector, comprising:
a first insulating body including a first surface, a slot and two opposite side plates;
a terminal set accommodated in the slot of the first insulating body; and
two metal elastic parts, which are respectively arranged on the first surface of the first insulating body and close to the two opposite side plates, and each metal elastic part forms a first convex part in the slot.
8. The female end connector according to claim 7, wherein a portion of each metal resilient portion adjacent to the corresponding side plate of the first insulating body extends along the side plate of the first insulating body to form a first bent portion, each first bent portion includes a second recess, and a plurality of the second recesses are in communication with the slots.
9. The female connector according to claim 8, wherein a portion of each of the metal elastic portions near the opening of the socket further extends a first extension portion away from the opening of the socket, and overlaps the metal elastic portion and covers the first protrusion.
10. The female end connector according to claim 9, wherein a portion of each of the first bending portions near the opening of the socket further extends a second extending portion away from the opening of the socket and overlaps the first bending portion.
11. The female connector according to claim 10, further comprising a metal plate, wherein the metal plate is disposed between and integrally formed with the plurality of metal elastic portions as an upper wall of the first insulating body, and the slot is disposed between the inner sidewalls of the two side plates and the upper wall.
12. The female connector of claim 11, wherein said metal plate further defines two side-by-side channels corresponding to said slots.
13. A male end connector, comprising:
a second insulating body including a second surface;
a connecting wire group fixed in the second insulating body; and
two metal members respectively disposed on the second surface of the second insulating body and near two opposite sides of the second insulating body, wherein each metal member forms a first concave portion corresponding to the first convex portion of each metal elastic portion of the female terminal connector of claim 7, and each first convex portion is engaged with the corresponding first concave portion when the second insulating body of the male terminal connector is inserted into the slot of the first insulating body of the female terminal connector.
14. The male end connector of claim 13, wherein a portion of each of the metal members adjacent to the corresponding side of the second insulative housing extends along a side of the second insulative housing to form a second bent portion, the second bent portion including a second protrusion spaced apart from the corresponding side of the second insulative housing.
15. The male end connector of claim 14, wherein the second surface of the second dielectric body further defines two side-by-side rails.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022269191.5U CN213660768U (en) | 2020-10-13 | 2020-10-13 | Electric connector group, female end connector and male end connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022269191.5U CN213660768U (en) | 2020-10-13 | 2020-10-13 | Electric connector group, female end connector and male end connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213660768U true CN213660768U (en) | 2021-07-09 |
Family
ID=76700749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022269191.5U Active CN213660768U (en) | 2020-10-13 | 2020-10-13 | Electric connector group, female end connector and male end connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213660768U (en) |
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2020
- 2020-10-13 CN CN202022269191.5U patent/CN213660768U/en active Active
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