CN113131264A - Connecting assembly and manufacturing method thereof - Google Patents
Connecting assembly and manufacturing method thereof Download PDFInfo
- Publication number
- CN113131264A CN113131264A CN201911416288.XA CN201911416288A CN113131264A CN 113131264 A CN113131264 A CN 113131264A CN 201911416288 A CN201911416288 A CN 201911416288A CN 113131264 A CN113131264 A CN 113131264A
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- cable
- hole
- connector
- circuit board
- fixing piece
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Manufacturing Of Electrical Connectors (AREA)
Abstract
The invention provides a connecting assembly and a manufacturing method thereof, wherein the connecting assembly comprises a connector, a plurality of cables and a cable fixing piece, wherein the connector is provided with a connecting lead which is exposed on one surface of the connector; the cable is inserted into the first through hole from the side of the cable fixing piece far away from the connector and is fixed with the cable fixing piece, and the part inserted into the first through hole is connected with the connecting conducting wire. Therefore, the cable is fixed, and can be prevented from falling off, and in addition, the cable fixing piece has a simple structure, and can reduce the manufacturing cost compared with the traditional special connector.
Description
Technical Field
The invention relates to the field of cable connection, in particular to a connecting assembly for fastening connecting cables and a manufacturing method thereof.
Background
With the continuous development of high-speed communication, coaxial cables (cable) are increasingly applied to interconnection between boards in the same cabinet, and meanwhile, high-speed transmission in Printed Circuit Board (PCB) boards based on etched lines is affected by problems such as high-speed transmission loss and jitter, and the application of interconnection of cable in boards also begins to occur. Traditional cable line need be at both ends and do the plug structure, and is not only complicated, increases the cost, has very big difficulty when many cable lines plug simultaneously, especially in complicated backplate is used, and the cable plug degree of difficulty of bundling is bigger, and because self weight influences, still can have the risk of droing. The invention provides a method for connecting cable, which is convenient for connecting cable, and can greatly reduce cost and improve application reliability because no professional manufacturer is needed to manufacture a connector special for cable wire and many manufacturers can manufacture cable wire groups manufactured based on fixing pieces.
Disclosure of Invention
The invention mainly provides a connecting assembly and a manufacturing method thereof, which are used for realizing the fastening connection of cables, reducing the manufacturing cost and improving the application reliability.
In order to solve the technical problems, the invention adopts a technical scheme that: there is provided a connection assembly comprising:
a connector having a connecting wire therein, the connecting wire being exposed at a surface of the connector;
the cable fixing piece is positioned on one side of the connector, which is provided with a connecting wire, and is provided with a first through hole which corresponds to the connecting wire in position and is matched with the diameter of the cable;
wherein the cable is inserted into the first through hole from a side of the cable holder away from the connector to be fixed to the cable holder, and a portion inserted into the first through hole is connected to the connecting wire.
In order to solve the technical problem, the invention adopts another technical scheme that: the manufacturing method of the connecting component comprises
Providing a plurality of cables, a metal plate and a connector matched with the cables for use, wherein the connector is provided with a connecting lead;
arranging a first through hole matched with the diameter of the cable at the position, corresponding to the connecting lead, of the metal plate to form a cable fixing piece;
inserting the cables into the first through hole from one side of the cable fixing piece and fixing the cables with the cable fixing piece;
and arranging the cable connecting piece above the connector, and connecting one end of the cable inserted into the first through hole with a connecting wire in the connector.
The invention has the beneficial effects that: the connecting component is used for connecting the cable with a central conductor in the connector through a cable fixing piece, the cable is connected through the cable fixing piece, the cable can be prevented from falling off when the number of the cables is large, and in addition, the cable fixing piece is simple in structure, compared with a traditional special connector, the manufacturing cost can be reduced, and the application reliability can be further improved.
Drawings
FIG. 1 is a schematic structural view of a first embodiment of the connection assembly of the present invention;
FIG. 2 is a schematic structural view of a second embodiment of the connection assembly of the present invention;
fig. 3 is a schematic structural view of a first embodiment of a method of manufacturing a connecting assembly of the present invention;
FIG. 4 is a schematic structural diagram of a second embodiment of a method of making a connecting assembly of the present invention;
fig. 5 is a schematic structural diagram of a third embodiment of the method for manufacturing a connecting component of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terms "first," "second," "third," and the like in the description and in the claims, and in the above-described drawings, are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements but may alternatively include other steps or elements not expressly listed or inherent to such process, system, article, or apparatus.
The present invention will be described in detail below with reference to the accompanying drawings and examples.
Fig. 1 is a schematic structural diagram of a connecting assembly according to a first embodiment of the present invention. The method comprises the following steps: a connector 11, a plurality of cables 12 and a cable fixing member 13; the connector 11 has a connecting wire 111 therein, and the connecting wire 111 is exposed on a surface of the connector 11; the cable fixing member 13 is located on the side of the connector 11 having the connecting wire 111, and has a first through hole 14 corresponding to the connecting wire 111 and matching the diameter of the cable 12. The cable 12 is inserted into the first through hole 14 from the side of the cable holder 13 away from the connector 11 to be fixed to the cable holder 13, and a portion inserted into the first through hole 14 is connected to the connecting wire 111.
In this embodiment, the cable 12 is divided into a first portion and a second portion, wherein the first portion is a portion inserted into the first through hole 14, and the second portion is a portion outside the first through hole 14. In this embodiment, in order to provide good electrical conductivity between the shielding layer 123 and the cable holder 13, the first through hole 14 needs to be in contact with the shielding layer 123, that is, when the first portion of the cable 12 is inserted into the first through hole 14, the first portion of the protective layer 124 is removed to expose the shielding layer 123, and in order to improve the firmness between the cable 12 and the cable holder 13, the inner diameter of the first through hole 14 is matched with the outer diameter of the shielding layer 123.
In this embodiment, the cable fixing member 13 is made of a metal plate, which may be a rectangular metal plate or a circular metal plate, as long as the cable fixing member can fix the cable 12, and the specific shape is not limited.
In the present embodiment, the cable 12 passes through the cable fixing member 13 to be directly connected to the connecting conductor 111, specifically, the central conductor 121 in the cable 12 is connected to the connecting conductor 111 in the connector 11, and in order to enable the cable 12 to be connected to the connecting conductor 111, the connecting conductor 111 is higher than a surface of the connector 11 close to the cable fixing member 13, that is, the connecting conductor 111 protrudes from a surface of the connector 11; or the connecting wires 111 are flush with a surface of the connector 11 near the cable holder 13.
The cable fixing member 13 may be welded to the connector 11 by welding, and it should be noted that after the cable 12 is inserted into the first through hole 14 of the cable fixing member 13, one end of the cable 12 inserted into the first through hole 14 needs to be ground to be flush with the surface of the cable fixing member 13, if the end protrudes out of the surface of the cable fixing member 13, the end may be welded unevenly during welding, and if the end is recessed in the surface of the cable fixing member 13, the end may not be easily connected to the connecting wire 111 of the connector 11.
Fig. 2 is a schematic structural diagram of a connecting assembly according to a second embodiment of the present invention. Compared with the first embodiment, the difference is that: the connector 11 further includes a pin 112, the pin 112 is connected to the connecting wire 111 of the connector 11 and protrudes from a surface of the connector 11 close to the cable fixing member 13, the pin 112 is used for being connected to the cable 12, and specifically, the pin 112 is connected to the central wire 121 of the cable 12. The circuit board 15 is provided with a second through hole 16 corresponding to the first through hole 14, the circuit board 15 is located between the connector 11 and the cable fixing member 13, the contact pin 112 is inserted into the second through hole 16, a second dielectric layer 162 is filled in the second through hole 16, so that the contact pin 112 is fixed in the second through hole 16, in this embodiment, in order to facilitate the alignment connection between the contact pin 112 and the central conductor 121 of the cable 12, the center of the first through hole 14 coincides with the center of the second through hole 16.
The wiring board further includes a ground layer 151, the sidewall of the second via hole 16 has a metal layer 161 to metalize the second via hole 16, and the metal layer 161 is connected to the ground layer 151. In addition, since the cable 12 generates electromagnetic waves during high-speed signal transmission, which affects the integrity of the signal, the shielding layer 123 of the cable 12 is connected to the ground layer 151 of the circuit board 15. Specifically, the shielding layer 123 of the cable 12 is connected to the metal layer 161 on the sidewall of the second through hole 16 of the circuit board 15, so that the shielding layer 123 of the cable 12 is connected to the ground layer 151 of the circuit board 15, based on which the inner diameter of the second through hole 16 is the same as the outer diameter of the first dielectric layer 122 of the cable 12, and when the cable 12 is butted with the contact pin 112 in the second through hole 16 of the circuit board 15, the shielding layer 123 of the cable 12 is just connected to the metal layer 161 on the sidewall of the second through hole 16. In the present embodiment, in order to further shield the interference of the electromagnetic wave, the thickness of the metal layer 161 of the second through hole 16 is the same as that of the shielding layer 123 of the cable 12.
In the present application, the cross-sectional area of the contact pin 112 is circular, so that the round contact pin can increase the contact area with the central conductor 121 of the cable 12, thereby improving the connection firmness, compared with a general pointed contact pin.
In this embodiment, since the overall cross-sectional area of the cable 12 is large, after the cable 12 is fixed in the cable holder 13, one end of the cable 12 needs to be ground to be flush with the cable holder 13 to prevent the cable holder 13 from being fixed or misaligned on the circuit board 15. In order to connect the pin 112 with the central conductor 121 of the cable 12, the pin 112 may protrude from the surface of the circuit board 15 close to the cable holder 13 or may be flush with the surface of the cable holder 13.
In addition, in order to fix the cable fixing member 13 on the circuit board 15, a pad 152 is disposed on a surface of the circuit board 15 close to the cable fixing member 13, the pad 152 is connected to the metal layer 161 on the sidewall of the second through hole 16, and the cable fixing member 13 is soldered on the circuit board 15 through the pad 152, so as to further fix and connect the central conductor 121 of the cable 12 to the contact pin 112.
The connecting assembly of this embodiment is characterized in that the circuit board 15 is fixedly connected to the connector 11, and the pin 112 of the connector 11 passes through the second through hole 16 of the circuit board 15, the cable fixing member 13 is used to fixedly connect and solder the cable 12 to the circuit board 15, and the central conductor 121 of the cable 12 is connected to the pin 112 of the connector 11, and the cable 12 is soldered to the circuit board 151 through the cable fixing member 13, so as to prevent the cable 12 from falling off due to gravity, and since the connector 11 is easy to manufacture, compared with the conventional connecting member for a cable plugging structure, the connecting assembly has lower cost and is more feasible.
Fig. 3 is a schematic structural diagram of a cable manufacturing method according to a first embodiment of the present application.
The method specifically comprises the following steps:
step S301: a plurality of cables, metal plates and connectors for use with the cables are provided.
Specifically, the cable is a coaxial cable, and specifically includes a central conductor, a first dielectric layer wrapping the central conductor, a shielding layer wrapping the first dielectric layer, and a protective layer wrapping the shielding layer, where the shielding layer is a metal shielding layer. In this embodiment, the connector has a connecting wire in the middle, and the connecting wire is exposed to one surface of the connector.
Step S302: and arranging a first through hole matched with the diameter of the cable at a designated position of the metal plate to form a cable fixing piece.
The connector is customized according to the number of cables to be connected, the number of the exposed connecting wires of the connector is consistent with the number of the cables, and the first through holes are formed in the positions, corresponding to the connecting wires, of the metal plates.
Step S303: and inserting the cables into the first through hole from one side of the cable fixing piece and fixing the cables with the cable fixing piece.
Specifically, referring to fig. 4, which is a schematic structural diagram of a second embodiment of the cable manufacturing method of the present application, step S303 specifically includes:
step S3031: and removing the outer protective layer at one end of the cable to expose the shielding layer of the cable.
In this embodiment, in order to make the shielding layer of the cable and the cable fixing member have good electrical conductivity, the protective layer at one end of the cable is removed to expose the shielding layer, and then the end with the protective layer removed is inserted into the first through hole to make the shielding layer contact with the cable fixing member.
Step S3032: and inserting one end of the cable, which is exposed out of the shielding layer, into the first through hole and is flush with the first surface of the cable fixing piece.
In this embodiment, since the cable is required to be fixed to the connector after being inserted into the first through hole and connected to the connecting wire in the connector, the cable is required to protrude from the first surface of the cable holder or be flush with the first surface of the cable holder after being inserted into the first through hole, and cannot be recessed in the first through hole.
Step S3033: and arranging conductive adhesive on the periphery of the cable on the second surface of the cable fixing piece so as to fix the cable in the cable fixing piece.
In addition, in order to strengthen the fixation between the cable and the cable fixing part and avoid the cable from falling off, when the cable is inserted into the first through hole, after the cable is inserted into the first through hole, one surface of the cable fixing part, which is close to the cable, fixes the cable around the first through hole by adopting a conductive adhesive or high-temperature soldering tin and the like, in another embodiment, a layer of conductive adhesive can be coated on the shielding layer and then inserted into the through hole, so that the cable is adhered in the first through hole of the cable fixing part according to the characteristics of the conductive adhesive; or in other embodiments, a layer of conductive adhesive may be coated on the shielding layer, and after the shielding layer is inserted into the through hole, the cable may be fixed around the first through hole by using the conductive adhesive or high-temperature solder.
Step S3034: and grinding the cable on the first surface of the cable fixing piece to be flat.
Specifically, in order to ensure the smoothness of the connection surface of the cable fixing member and the connector, after the cable and the cable fixing member are fixed, one end of the cable inserted into the first through hole needs to be ground to be flush with the first surface of the cable fixing member, and it needs to be noted that the central conducting wire of the cable needs to be fully exposed in the grinding process.
Step S304: and arranging the cable connecting piece above the connector, and connecting one end of the cable inserted into the first through hole with a connecting wire in the connector.
After the cable is fixed on the cable fixing piece, the cable fixing piece is fixed on the connector, specifically, the cable fixing piece can be welded on the connector in a welding manner, and it should be noted that, during fixing, a central conductor of the cable is butted with a connecting conductor of the connector.
Please refer to fig. 5, which is a schematic structural diagram of a third embodiment of the cable manufacturing method of the present application, and the difference between the first embodiment and the second embodiment is: this embodiment still includes the circuit board, specifically is:
step S501: providing a circuit board with a second through hole; the inner diameter of the second through hole is matched with the outer diameter of the first medium layer of the cable, and a contact pin in the connector protrudes out of one surface of the connector.
In this embodiment, the connector has a pin connected to the connecting wire, and the pin protrudes from the surface of the connector, and in order to enable the circuit board to perform signal transmission through the pin, the pin of the connector is inserted into the second through hole of the circuit board; in addition, in order to further shield the signal transmission of the electromagnetic wave generated by the cable, a ground layer is arranged in the circuit in the dark, and a shielding layer of the cable is connected with the ground layer.
In this embodiment, before step S302, the method further includes:
step S502: and arranging the circuit board on one surface of the connector with the contact pin, and inserting the contact pin into the second through hole of the circuit board.
Specifically, the circuit board is arranged on one surface of the connector with the pins, and the pins are inserted into the second through holes.
Step S503: and filling a second dielectric layer in the second through hole to fix the contact pin in the second through hole.
Specifically, after the contact pin is inserted into the second through hole, in order to fix the contact pin, the second through hole is filled with a second dielectric layer, it should be noted that the second dielectric layer needs to be determined according to the diameter of the connector, the diameter of the second through hole, and the frequency of the signal to be transmitted, specifically, the dielectric constant of the medium needs to be calculated, and an appropriate filling material, which may be various high-insulation materials such as paste, gel, and the like, is selected as the second dielectric layer according to the realizability of the dielectric constant combining process.
Step S504: and grinding one surface of the first through hole, which is far away from the connector, so that the end head of the contact pin is displayed.
And after the second medium layer is filled, grinding the first through hole position of the surface of the circuit board, which is far away from the connector, so that the broken end of the contact pin is displayed, and in order to ensure that the contact pin can be butted with the central lead of the cable, the contact pin can slightly protrude out of the surface of the circuit board and can also be flush with the surface of the circuit board.
In this embodiment, since the circuit board is provided, the step S304 specifically includes:
step S505: and arranging the cable fixing part above the circuit board, and enabling one end of the cable inserted into the first through hole to be connected with the contact pin in the connector.
The cable fixing part is arranged above the circuit board, a central lead of the cable is in butt joint with a contact pin of the connector, specifically, a pad is arranged on the surface, away from the connector, of the circuit board, and the cable fixing part is welded at the position, provided with the pad, of the circuit board in a reflow soldering mode, so that the cable and the circuit board are fixed.
In the application, it is fixed with the cable through the cable mounting, fixes the circuit board in the connector again, fixes the cable mounting through the welded mode at last on the circuit board, will with through connector and cable mounting the circuit board with cable fixed connection to make the signal transmission of circuit board to the contact pin of connector, the contact pin of rethread connector with signal transmission to cable, even if this quantity of the cable of connecting is more, and gravity is great, also can not follow drop on the circuit board. And because the connector is easy to manufacture, the cost is saved compared with the existing plugging structure of the cable, and the feasibility is higher.
In this embodiment, the connecting assembly only describes a part of related functional structures, and other functional structures are the same as those of the connecting assembly in the prior art and are not described herein again.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A connection assembly, comprising:
a connector having a connecting wire therein, the connecting wire being exposed at a surface of the connector;
the cable fixing piece is positioned on one side of the connector, which is provided with a connecting wire, and is provided with a first through hole which corresponds to the connecting wire in position and is matched with the diameter of the cable;
wherein the cable is inserted into the first through hole from a side of the cable holder away from the connector to be fixed with the cable holder, and a portion inserted into the first through hole is used for connection with the connection wire.
2. The connection assembly of claim 1, wherein the connection conductor is elevated above a surface of the connector proximate the cable mount; or
The connecting lead is flush with a surface of the connector close to the cable fixing piece.
3. The connection assembly of claim 1, wherein the connector further comprises:
the contact pin is connected with the connecting lead, protrudes out of one surface of the connector close to the cable fixing part and is used for being connected with the cable;
the circuit board is positioned between the connector and the cable fixing piece and used for providing high-speed signals for the cable;
the circuit board is provided with a second through hole corresponding to the first through hole in position, and the contact pin is inserted into the second through hole.
4. The connection assembly according to claim 1 or 3, wherein the cable includes a first portion inserted into the first through hole and a second portion exposed outside the first through hole, the first portion of the cable including: the shielding layer is arranged on the central conducting wire and sequentially wraps the first dielectric layer and the shielding layer; the second portion of the cable comprises: the shielding layer is arranged on the central wire and comprises a first dielectric layer, a shielding layer and a protective layer which are sequentially wrapped on the central wire; the circuit board comprises a ground layer;
the inner diameter of the first through hole is matched with the outer diameter of the shielding layer of the cable, the shielding layer of the first part of the cable is attached to the side wall of the first through hole, and the cross section of the first part of the cable is flush with one surface, close to the circuit board, of the cable fixing piece;
the inner diameter of the second through hole is matched with the outer diameter of the first medium layer of the cable, the side wall of the second through hole is provided with a metal layer, the shielding layer of the cable is connected with the metal layer of the side wall of the second through hole, and the ground layer of the circuit board is connected with the metal layer of the side wall of the second through hole.
5. The connection assembly of claim 4, wherein the pin is circular in cross-section, is inserted into the second through hole, and is connected with the center conductor of the cable;
and a second dielectric layer is filled in the second through hole so as to fix the contact pin in the second through hole.
6. The connecting assembly of claim 5, wherein the pin is inserted into the second through hole and is higher than a surface of the circuit board away from the connector; or
Flush with a surface of the circuit board away from the connector.
7. The connecting assembly as claimed in claim 5, wherein a surface of the circuit board near the cable fixing member has a metal layer connecting pad with a sidewall of the second through hole, and the cable fixing member is soldered on the circuit board through the pad to fixedly connect the central conductor of the cable with the pin.
8. A method of making a connection assembly, comprising:
providing a plurality of cables, a metal plate and a connector matched with the cables for use, wherein the connector is provided with a connecting lead;
arranging a first through hole matched with the diameter of the cable at the position, corresponding to the connecting lead, of the metal plate to form a cable fixing piece;
inserting the cables into the first through hole from one side of the cable fixing piece and fixing the cables with the cable fixing piece;
and arranging the cable connecting piece above the connector, and connecting one end of the cable inserted into the first through hole with a connecting wire in the connector.
9. The method of claim 8,
inserting the cables into the first through hole from one side of the cable fixing member and fixing the cables with the cable fixing member specifically include:
removing the protective layer on the outer layer of one end of the cable to expose the shielding layer of the cable;
inserting one end of the cable, which is exposed out of the shielding layer, into the first through hole, and enabling the end of the cable to be flush with the first surface of the cable fixing piece or protrude out of the first surface of the cable fixing piece;
arranging conductive adhesive around the cable on the second surface of the cable fixing piece so as to fix the cable in the cable fixing piece;
and grinding the cable on the first surface of the cable fixing piece to be flat.
10. The method of claim 9,
the connector is provided with a contact pin connected with the connecting lead;
providing a circuit board with a second through hole; the inner diameter of the second through hole is matched with the outer diameter of the first medium layer of the cable, and a contact pin in the connector protrudes out of one surface of the connector;
the method is characterized in that a first through hole matched with the diameter of the cable is arranged at the position, corresponding to the metal conducting wire, of the metal plate so as to form a cable fixing piece;
arranging the circuit board on one surface of the connector with a contact pin, and inserting the contact pin into a second through hole of the circuit board;
filling a second dielectric layer in the second through hole to fix the contact pin in the second through hole;
grinding one surface of the first through hole, which is far away from the connector, so that the end head of the contact pin is displayed;
the step of arranging the cable connecting piece above the connector and connecting one end of the cable inserted into the first through hole with the connecting wire in the connector is specifically as follows:
and arranging the cable fixing part above the circuit board, and enabling one end of the cable inserted into the first through hole to be connected with the contact pin in the connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911416288.XA CN113131264A (en) | 2019-12-31 | 2019-12-31 | Connecting assembly and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911416288.XA CN113131264A (en) | 2019-12-31 | 2019-12-31 | Connecting assembly and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113131264A true CN113131264A (en) | 2021-07-16 |
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ID=76770749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911416288.XA Pending CN113131264A (en) | 2019-12-31 | 2019-12-31 | Connecting assembly and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113131264A (en) |
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2019
- 2019-12-31 CN CN201911416288.XA patent/CN113131264A/en active Pending
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