CN113471740A - Positive and negative double-sided electric connector containing signal terminal - Google Patents

Positive and negative double-sided electric connector containing signal terminal Download PDF

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Publication number
CN113471740A
CN113471740A CN202110750484.1A CN202110750484A CN113471740A CN 113471740 A CN113471740 A CN 113471740A CN 202110750484 A CN202110750484 A CN 202110750484A CN 113471740 A CN113471740 A CN 113471740A
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CN
China
Prior art keywords
terminal
ground terminal
contact
insulating body
tongue
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Granted
Application number
CN202110750484.1A
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Chinese (zh)
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CN113471740B (en
Inventor
周建民
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Shenzhen Taipusheng Technology Co ltd
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Individual
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Priority to CN202110750484.1A priority Critical patent/CN113471740B/en
Publication of CN113471740A publication Critical patent/CN113471740A/en
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Publication of CN113471740B publication Critical patent/CN113471740B/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/40Securing contact members in or to a base or case; Insulating of contact members
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/652Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding   with earth pin, blade or socket

Abstract

The invention discloses a positive and negative double-sided electric connector containing signal terminals, which comprises an insulating body, a metal shell, two clamping hook terminals, two signal terminals, a power terminal and a grounding terminal, wherein the two clamping hook terminals are embedded in the insulating body and are respectively exposed from groove parts on two sides of a tongue plate of the insulating body; wherein the power terminal and the ground terminal each have: a substrate portion fixed in the insulating body; contact portions bent from the base plate portion and extending to the front and back sides of the tongue plate; and a leg extending from the base plate portion to a rear end of the seat portion; the contact part of one signal terminal is positioned on the front surface of the tongue plate, the contact part of the other signal terminal is positioned on the back surface of the tongue plate, and the welding leg and the contact part of the signal terminal are connected through a bridging part. The electric connector has the characteristics of small quantity of internal structures, convenience in production, good strength and reliability, capability of transmitting electric energy and signals and the like.

Description

Positive and negative double-sided electric connector containing signal terminal
Technical Field
The invention relates to the technical field of electric connectors, in particular to an electric connector capable of being used positively and negatively.
Background
As electronic products have been developed, new structures are continuously introduced, which also requires the electrical connector to be adapted to the structure of the product.
The USB Type C connector is a kind of electrical connector widely used in recent years, and it is convenient to use because it does not need to distinguish directions when used, and is popular with users after being pushed out. However, the existing USB Type C connector is generally divided into a three-layer structure with two rows of metal terminals and a middle metal sheet as a hook according to the definition of the USB association, which is complicated in process, large in number of metal terminals, difficult in production, and low in production efficiency.
Disclosure of Invention
The invention aims to provide a front-back double-sided electric connector containing signal terminals, which has the advantages of small number of internal structures, convenience in production, high strength and reliability, and capability of transmitting electric energy and signals.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a positive and negative double-sided electrical connector with signal terminals, comprising:
the insulating body is provided with a seat part, a tongue plate arranged at the front end of the seat part and groove parts arranged at two side parts of the tongue plate;
the metal shell is coated outside the insulating body and forms an inserting space around the tongue plate;
two hook terminals embedded in the insulating body and respectively exposed from the two groove parts;
a power supply terminal;
a ground terminal; and
the contact part of one signal terminal is positioned on the front surface of the tongue plate, and the contact part of the other signal terminal is positioned on the back surface of the tongue plate;
any one of the power terminal and the ground terminal is a whole, and has:
a substrate portion fixed in the insulating body;
contact portions bent from the base plate portion and extending to the front and back sides of the tongue plate; and
a solder leg extending from the base plate portion to a rear end of the seat portion;
any one of the two signal terminals is a whole and has:
a substrate portion fixed in the insulating body;
a contact portion provided on the front or back of the tongue plate; and
a bridge portion that spans the substrate portion of the power supply terminal and connects the substrate portion and the contact portion of the signal terminal;
the substrate part of the power supply terminal, the substrate part of the grounding terminal and the substrate parts of the two signal terminals are all positioned on the same plane;
the hook terminal is composed of an independent plate body, and a protruding part is arranged at the part of the hook terminal embedded in the insulating body.
Preferably, the bridging portion of the signal terminal is U-shaped, and the bridging portion is embedded in the insulating body.
Preferably, the base plate portion of the power terminal is located on a plane in the middle of the insulating body, the front end of the base plate portion of the power terminal is provided with a U-shaped branch portion, and the contact portion of the power terminal located on the front side of the tongue plate and the contact portion located on the back side of the tongue plate are formed by correspondingly bending and extending from two branches of the U-shaped branch portion.
Preferably, the projections of the base plate portion and the two contact portions of the power terminal on the front surface or the back surface of the tongue portion are U-shaped with a forward opening.
Preferably, the base portion of the ground terminal is located on a plane in the middle of the insulating body, the ground terminal further has a transverse extending portion at a position corresponding to the front end of the tongue portion of the plane, one of the contact portions of the ground terminal is connected to the front end of the base portion of the ground terminal and one end of the transverse extending portion, and the other contact portion of the ground terminal is extended from the other end of the transverse extending portion.
Preferably, the projections of the lateral extension portion and the two contact portions of the ground terminal on the front surface or the back surface of the tongue portion are U-shaped with a backward opening, and the projections of the base plate portion and the two contact portions of the power terminal on the front surface or the back surface of the tongue portion are U-shaped with a forward opening and are located in the projections of the lateral extension portion and the two contact portions of the ground terminal on the front surface or the back surface of the tongue portion.
Preferably, the inner side of the front end of the hook terminal is recessed rearward to form a first step portion, the protruding portion of the hook terminal is disposed facing the back of the contact portion of the ground terminal, and the first step portion is in abutting fit with the bending portion on the ground terminal.
Preferably, the hook terminal further includes an extending portion corresponding to the substrate portion of the ground terminal, and a second stepped portion corresponding to a bent portion between the substrate portion and the contact portion of the ground terminal, and both the extending portion and the second stepped portion of the hook terminal are embedded in the insulating body.
Preferably, the solder leg of the power terminal and the solder leg of the ground terminal are surface mount solder legs.
Compared with the prior art, the invention has at least the following beneficial effects:
the positive and negative double-sided electric connector containing the signal terminals has the advantages of small number of internal structures, convenience in production, good strength and reliability, and capability of transmitting electric energy and transmission signals.
Drawings
FIG. 1 is a perspective view of a front-to-back electrical connector with signal terminals according to the present embodiment;
FIG. 2 is a perspective view thereof from another perspective;
FIG. 3 is an exploded view thereof;
FIG. 4 is a schematic diagram of the power terminal thereof;
FIG. 5 is a schematic structural diagram of a ground terminal thereof;
FIG. 6 is a schematic diagram of a signal terminal thereof;
fig. 7 is a schematic structural view of the hook terminal;
FIG. 8 is a schematic diagram showing the relative positions of the terminals;
fig. 9 is a schematic view of the front side of the insulating body incorporating the terminals;
FIG. 10 is a schematic view of the reverse side of the housing with terminals coupled thereto;
reference numerals:
1. a housing;
2. an insulating body; 21. a seat portion; 22. a tongue plate; 23. a groove part;
3. a power supply terminal; 31. a first solder tail; 32. a first substrate section; 33. a U-shaped crotch; 34. branching; 35. a first contact portion;
4. a ground terminal; 41. a second fillet weld; 42. a second substrate section; 43. a second contact portion; 44. a lateral extension; 45. a bending section;
5. a hook terminal; 51. a first step portion; 52. a front hook portion; 53. a boss portion; 54. a second step portion; 55. a longitudinal extension;
6. a signal terminal; 61. a third fillet weld; 62. a third substrate portion; 63. a bridge portion; 64. a third contact portion;
7. and (4) a plug space.
Detailed Description
The invention is further illustrated with reference to the following figures and examples.
Referring to fig. 1 to 3, the electrical connector includes: the circuit board comprises an insulating body 2, a metal shell 1, two hook terminals 5, two signal terminals 6, a power terminal 3 and a ground terminal 4. The insulating body 2 has a seat 21, a tongue plate 22 at the front end of the seat 21, and grooves 23 at two sides of the tongue plate 22, and the metal shell 1 is wrapped outside the insulating body 2 and forms an insertion space 7 around the tongue plate 22.
Fig. 4, 5, 6, and 7 show the structures of the power supply terminal 3, the ground terminal 4, the signal terminal 6, and the hook terminal 5, respectively, fig. 8 shows the relative positional relationship among the power supply terminal 3, the ground terminal 4, the signal terminal 6, and the hook terminal 5, and fig. 9 to 10 show the state after the terminals are coupled to the insulating main body 2. Wherein the front side of the tongue plate 22 is directed outward in fig. 9, and the reverse side of the tongue plate 22 is directed outward in fig. 10.
Referring to fig. 4 to 10, the two hook terminals 5 are embedded in the insulating body 2, and the front hook portions 52 of the two hook terminals 5 are correspondingly exposed from the two groove portions 23 of the tongue plate 22.
Any one of the power supply terminal 3 and the ground terminal 4 is an integral body, and the power supply terminal 3 and the ground terminal 4 each include: a substrate portion fixed in the insulating body 2; contact portions bent from the base plate portion and extending to the front and back surfaces of the tongue plate 22; and a leg extending from the base plate portion to a rear end of the seat portion 21.
Any one of the two signal terminals 6 is a whole, and the signal terminal 6 has: a substrate portion fixed in the insulating body 2; a contact portion; and a bridge portion 63 that spans the substrate portion of the power supply terminal 3 and connects the substrate portion and the contact portion of the signal terminal 6; wherein the contact portion of one signal terminal 6 is located on the front side of the tongue plate 22, and the contact portion of the other signal terminal 6 is located on the back side of the tongue plate 22.
The substrate portion (first substrate portion 32) of the power supply terminal 3, the substrate portion (second substrate portion 42) of the ground terminal 4, and the substrate portions (third substrate portions 62) of the two signal terminals 6 are flush with each other.
The two hook terminals 5 are each formed of an independent plate body and have a protruding portion 53 at a portion thereof embedded in the insulating body 2.
In the above embodiment, the front and back surfaces of the tongue plate 22 have a power contact, a ground contact and a signal contact, and the grooves 23 on the two sides of the tongue plate 22 are provided with front hooks 52 made of metal, respectively, so that the connector can be inserted in the forward direction and the reverse direction. Because only there is a power supply terminal 3, a ground terminal 4, two signal terminals 6 and two pothook terminals 5, there is not other terminal, the power contact portion of the front and back of tongue plate 22 is formed by the same metal, the ground contact portion of the front and back of tongue plate 22 is also formed by the same metal, signal terminal 6 links its leg and contact portion as an organic whole through bridging portion 63, this makes positive and negative double-sided electric connector not only can transmit electric energy and transmission signal, and the terminal quantity of inside reduces greatly, the inner structure can be reduced greatly accurately, thereby be convenient for production. Meanwhile, the hook terminal 5 is formed by an independent plate, and the protruding portion 53 on the hook terminal makes the combination of the hook terminal 5 and the insulating body 2 more firm, so that the service life of the electric connector is greatly prolonged.
For the sake of convenience of distinction, the substrate portion, the contact portion, and the solder tail of the power terminal 3 are hereinafter referred to as a first substrate portion 32, a first contact portion 35, and a first solder tail 31; the substrate portion, the contact portion, and the solder tail of the ground terminal 4 are referred to as a second substrate portion 42, a second contact portion 43, and a second solder tail 41; the substrate portion, the contact portion, and the solder tail of the signal terminal 6 are referred to as a third substrate portion 62, a third contact portion 64, and a third solder tail 61.
With reference to fig. 3 and 6, the bridging portion 63 of the signal terminal 6 has a U-shaped structure, and the bridging portion 63 is embedded in the insulating main body 2. The short circuit between the signal terminal 6 and the power terminal 3 and between the signal terminal 6 and the ground terminal 4 can be avoided, and the plastic material of the molded insulator 2 can be filled into the recessed part of the U-shaped bridging part 63, so that the bonding strength between the signal terminal 6 and the insulator 2 can be increased, and the service life of the connector can be prolonged.
With further reference to fig. 3 and 4, the first base plate 32 is located on a plane in the middle of the insulating body 2, the front end of the first base plate 32 has a U-shaped branch portion 33, and the first contact portion 35 located on the front side of the tongue plate 22 and the first contact portion 35 located on the back side of the tongue plate 22 are formed by bending and extending two branches 34 of the U-shaped branch portion 33. The power supply terminal 3 with such a structure can be formed by punching a metal plate, and has the characteristic of easy manufacture. The projections of the first base plate portion 32 and the two first contact portions 35 on the front or back side of the tongue plate 22 are U-shaped with a forward opening.
With further reference to fig. 3 and 5, the second base plate portion 42 is located on a plane in the middle of the insulating body 2, the ground terminal 4 further has a lateral extending portion 44 at a position corresponding to the front end of the tongue plate 22, a second contact portion 43 is connected to the front end of the second base plate portion 42 and one end of the lateral extending portion 44, and another second contact portion 43 is extended from the other end of the lateral extending portion 44. The ground terminal 4 having such a structure can be formed by press molding from a metal plate material, does not intersect with the power supply terminal 3, and is easy to manufacture.
With further reference to fig. 3, 5 and 8, the projections of the lateral extension portion 44 and the two second contact portions 43 of the ground terminal 4 on the front surface or the back surface of the tongue plate 22 are U-shaped with a backward opening, and the projections of the first base plate portion 32 and the two first contact portions 35 of the power terminal 3 on the front surface or the back surface of the tongue plate 22 are U-shaped with a forward opening and are located in the projections of the lateral extension portion 44 and the two second contact portions 43 of the ground terminal 4 on the front surface or the back surface of the tongue plate 22. It can be seen that the ground terminal 4 and the power terminal 3 of the above-mentioned structure are respectively made of a single metal, and a power contact portion and a ground contact portion can be formed on the front and back surfaces of the tongue plate 22, respectively.
With reference to fig. 6, 4, and 8, the bridging portion 63 of one signal terminal 6 is provided to straddle the U-shaped bifurcated portion 33 of the power supply terminal 3 from the front side, and the bridging portion 63 of the other signal terminal 6 is provided to straddle the U-shaped bifurcated portion 33 of the power supply terminal 3 from the rear side.
With reference to fig. 7 and 8, a first step 51 is formed by recessing the inner side of the front end of the hook terminal 5, the protruding portion 53 of the hook terminal 5 is disposed facing the back of the second contact portion 43 of the ground terminal 4, and the first step 51 is in abutting engagement with the bending portion 45 of the ground terminal 4. The protruding portion 53 forms a gap between the hook terminal 5 and the ground terminal 4, so that the material forming the insulating body 2 can be filled when the insulating body 2 is molded, and the combination between the terminals is more stable, and the combination between the hook terminal 5 and the ground terminal 4 is also more stable due to the cooperation of the first step portion 51 and the bending portion 45. Further, the hook terminal 5 further has a longitudinal extending portion 55 corresponding to the first substrate portion 32 of the ground terminal 4, and a second stepped portion 54 corresponding to the bending portion 45 between the second substrate portion 42 and the second contact portion 43 of the ground terminal 4, and both the longitudinal extending portion 55 and the second stepped portion 54 of the hook terminal 5 are embedded in the insulating main body 2, so that the firmness of the hook is further enhanced.
When the electric connector is manufactured, the signal terminal 6, the power terminal 3, the ground terminal 4 and the hook terminal 5 are firstly manufactured, then the signal terminal, the power terminal, the ground terminal, the hook terminal and the hook terminal are supported in an injection mold of the insulating body 2, injection molding is carried out, the insulating body 2 containing the terminals is formed, and finally the electric connector is assembled with the shell 1.
The present invention has been described in detail with reference to the specific embodiments, and the detailed description is only for the purpose of helping those skilled in the art understand the present invention, and is not to be construed as limiting the scope of the present invention. Various modifications, equivalent changes, etc. made by those skilled in the art under the spirit of the present invention shall be included in the protection scope of the present invention.

Claims (9)

1. A positive and negative double-sided electrical connector containing signal terminals, comprising:
an insulating body (2) having a seat (21), a tongue plate (22) provided at the front end of the seat (21), and grooves (23) provided at both side portions of the tongue plate (22);
the metal shell (1) is coated outside the insulating body (2) and an inserting space (7) is formed around the tongue plate (22);
two hook terminals (5) embedded in the insulating body (2) and respectively exposed from the two groove portions (23);
a power supply terminal (3);
a ground terminal (4); and
the contact part of one signal terminal (6) is positioned on the front surface of the tongue plate (22), and the contact part of the other signal terminal (6) is positioned on the back surface of the tongue plate (22);
any one of the power supply terminal (3) and the ground terminal (4) is a single body, and has:
a substrate part fixed in the insulating body (2);
contact portions bent from the base plate portion and extending to the front and back surfaces of the tongue plate (22); and
a leg extending from the base plate portion to a rear end of the seat portion (21);
any one of the two signal terminals (6) is a whole, and has:
a substrate part fixed in the insulating body (2);
a contact portion provided on the front or back of the tongue plate (22); and
a bridge section (63) that spans the substrate section of the power supply terminal (3) and connects the substrate section of the signal terminal (6) and the contact section;
the substrate parts of the power supply terminal (3), the ground terminal (4) and the two signal terminals (6) are all in the same plane;
the hook terminal (5) is composed of an independent plate body, and a protruding part (53) is arranged at the part of the hook terminal embedded in the insulating body (2).
2. The electrical connector as claimed in claim 1, wherein the bridging portion (63) of the signal terminal (6) is U-shaped, and the bridging portion (63) is embedded in the housing (2).
3. The electrical connector with signal terminals on both sides as claimed in claim 1, wherein the base portion of the power terminal (3) is located on a plane in the middle of the housing (2), the front end of the base portion of the power terminal (3) has a U-shaped branch portion (33), and the contact portion of the power terminal (3) on the front side of the tongue portion (22) and the contact portion on the back side of the tongue portion (22) are bent and extended from the two branches (34) of the U-shaped branch portion (33).
4. The electrical connector as claimed in claim 3, wherein the projections of the base portion and the two contact portions of the power terminal (3) on the front or back surface of the tongue portion are in a U shape with the opening facing forward.
5. The signal terminal-containing front-to-back double-sided electrical connector as claimed in claim 1, wherein the base portion of the ground terminal (4) is located on a plane in the middle of the insulative housing (2), the ground terminal (4) further has a lateral extension portion (44) at a position corresponding to the front end of the tongue portion (22), one of the contact portions of the ground terminal (4) is connected to the front end of the base portion of the ground terminal (4) and one end of the lateral extension portion (44), and the other contact portion of the ground terminal (4) is extended from the other end of the lateral extension portion (44).
6. The signal terminal-containing front-back double-sided electrical connector as recited in claim 5, wherein the projections of the laterally extending portion (44) and the two contact portions of the ground terminal (4) on the front or back surface of the tongue portion are U-shaped with the opening facing backward, and the projections of the base plate portion and the two contact portions of the power terminal (3) on the front or back surface of the tongue portion are U-shaped with the opening facing forward and are within the projections of the laterally extending portion (44) and the two contact portions of the ground terminal (4) on the front or back surface of the tongue portion.
7. The electrical connector as claimed in claim 5, wherein the front end of the hook terminal (5) is recessed rearward to form a first step portion (51), the protruding portion (53) of the hook terminal (5) is disposed facing the back of the contact portion of the ground terminal (4), and the first step portion (51) is in abutting engagement with the bending portion (45) of the ground terminal (4).
8. The electrical connector as claimed in claim 7, wherein the latching terminal (5) further comprises an extension portion corresponding to the substrate portion of the ground terminal (4) and a second step portion (54) corresponding to the bending portion (45) between the substrate portion and the contact portion of the ground terminal (4), and the extension portion and the second step portion (54) of the latching terminal (5) are embedded in the insulating body (2).
9. The electrical connector as claimed in claim 1, wherein the solder tails of the power terminals (3) and the ground terminals (4) are surface mount solder tails.
CN202110750484.1A 2021-07-02 2021-07-02 Positive and negative double-sided electric connector containing signal terminal Active CN113471740B (en)

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CN202110750484.1A CN113471740B (en) 2021-07-02 2021-07-02 Positive and negative double-sided electric connector containing signal terminal

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Application Number Priority Date Filing Date Title
CN202110750484.1A CN113471740B (en) 2021-07-02 2021-07-02 Positive and negative double-sided electric connector containing signal terminal

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CN113471740B CN113471740B (en) 2023-03-24

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114336120A (en) * 2021-12-27 2022-04-12 深圳市运伟科技有限公司 Single-row double-PIN Type-C connector

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106058581A (en) * 2016-07-19 2016-10-26 深圳市长盈精密技术股份有限公司 Pro and con-pluggable USB socket
US20170033520A1 (en) * 2013-07-19 2017-02-02 Foxconn Interconnect Technology Limited Flippable electrical connector
CN110729583A (en) * 2019-10-17 2020-01-24 深圳市长盈精密技术股份有限公司 Positive reverse plug USB plug
CN112787129A (en) * 2021-03-05 2021-05-11 深圳市步步精科技有限公司 Novel electric connector

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170033520A1 (en) * 2013-07-19 2017-02-02 Foxconn Interconnect Technology Limited Flippable electrical connector
CN106058581A (en) * 2016-07-19 2016-10-26 深圳市长盈精密技术股份有限公司 Pro and con-pluggable USB socket
CN110729583A (en) * 2019-10-17 2020-01-24 深圳市长盈精密技术股份有限公司 Positive reverse plug USB plug
CN112787129A (en) * 2021-03-05 2021-05-11 深圳市步步精科技有限公司 Novel electric connector

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114336120A (en) * 2021-12-27 2022-04-12 深圳市运伟科技有限公司 Single-row double-PIN Type-C connector

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Address after: 518000 1st floor, building B, third industrial zone, Yaokeng village, Baoyuan community, Langxin community, Shiyan street, Bao'an District, Shenzhen City, Guangdong Province

Patentee after: SHENZHEN TAIPUSHENG TECHNOLOGY CO.,LTD.

Address before: 421600 No. 83, railway station new village, Hongqiao Town, Qidong County, Hengyang City, Hunan Province

Patentee before: Zhou Jianmin

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