CN216529482U

CN216529482U - Coaxial cable connector

Info

Publication number: CN216529482U
Application number: CN202220092325.7U
Authority: CN
Inventors: 张永峰; 丁志升
Original assignee: Shenzhen Mup Industrial Co ltd
Current assignee: Shenzhen Mup Industrial Co ltd
Priority date: 2022-01-13
Filing date: 2022-01-13
Publication date: 2022-05-13
Anticipated expiration: 2032-01-13

Abstract

The utility model relates to a technical field of connector especially relates to a coaxial cable connector, and it includes insulator, sets up the signal terminal among insulator and assembles insulator's ground connection shell, be provided with the connecting portion of being connected with the coaxial cable electricity on the signal terminal, set up the first recess that is used for supplying the coaxial cable embedding on the connecting portion. The application effectively improves the stability and tin-eating degree during welding, thereby improving the radio frequency performance.

Description

Coaxial cable connector

Technical Field

The present application relates to the field of connectors, and more particularly, to a coaxial cable connector.

Background

Since the development of technology is changing day by day, especially the rapid development of communication technology, various communication products are widely used, wherein coaxial cables are largely used in the physical transmission process, so that the coaxial cable connector is one of the indispensable components of the communication products.

The conventional coaxial cable connector generally includes an insulating body, a signal terminal connected to the insulating body, a grounding shell fixed outside the insulating body, and a cable electrically connected to the signal terminal, however, when the signal terminal of the conventional coaxial cable connector is electrically connected to the core of the coaxial cable, the welding is unstable, which affects the radio frequency performance.

SUMMERY OF THE UTILITY MODEL

In order to improve the radio frequency performance of the coaxial cable connector, the application provides a coaxial cable connector.

The coaxial cable connector provided by the application adopts the following technical scheme:

a coaxial cable connector is electrically connected with a coaxial cable and comprises an insulating body, a signal terminal arranged in the insulating body and a grounding shell for assembling the insulating body, wherein a connecting part electrically connected with the coaxial cable is arranged on the signal terminal, and a first groove for embedding the coaxial cable is formed in the connecting part.

Through adopting above-mentioned technical scheme, when coaxial cable connector and coaxial cable pass through signal terminal's connecting portion electric connection, coaxial cable places in the first recess of seting up on the connecting portion, the lateral wall of first recess can restrict coaxial cable sinle silk and slide, it is more stable to place on the connecting portion when making coaxial cable's sinle silk weld with the connecting portion, first recess has increased the volume that holds soldering tin when coaxial cable and coaxial cable connector weld simultaneously, thereby promote welded stability and tin-eating intensity effectively, promote the radio frequency performance.

Preferably, a second groove is formed in the insulating body, the depth of the second groove is larger than that of the first groove, and the connecting portion is arranged in the second groove.

By adopting the technical scheme, the arrangement of the second groove enables the connecting part of the signal terminal to be exposed out of the insulating body and further connected with the coaxial cable; meanwhile, the depth of the second groove is larger than that of the first groove, so that a larger connecting space can be provided for the coaxial cable and the coaxial cable connector, the sliding of the coaxial cable is further limited, the volume of the coaxial cable connector for accommodating soldering tin is further enlarged, and the coaxial cable are convenient to weld and fix.

Preferably, one end of the signal terminal, which is far away from the connecting part, is provided with paired elastic pieces, and one ends of the two elastic pieces, which are far away from the signal terminal, are close to each other in an opposite direction.

By adopting the technical scheme, when the coaxial cable connector is connected with the opposite connector, the elastic sheet clamps the central terminal of the opposite connector, so that the coaxial cable connector is stably connected with the opposite connector.

Preferably, two the spring leaf is kept away from signal terminal one end and all is provided with the guide vane, two the guide vane extends to keeping away from the slope of spring leaf direction, two the guide vane is kept away from mutually in reverse the spring leaf one end and is kept away from, forms the direction mouth between two guide vanes.

By adopting the technical scheme, the guide pieces increase the clamping opening between the elastic pieces, so that when the coaxial cable connector is connected with the opposite connector, the central terminal of the opposite connector is more easily plugged between the two elastic pieces, and the coaxial cable connector is convenient to use.

Preferably, the grounding shell comprises an enclosing part which is matched with the insulating body and is used for assembling the insulating body, and a bearing part which is arranged on one side of the enclosing part far away from the first groove, and a connecting plate is arranged between the enclosing part and the bearing part.

Through adopting above-mentioned technical scheme, when assembling the coaxial cable connector, assemble insulator earlier in the surrounding part of ground connection shell, the bearing part of ground connection shell can be buckled towards insulator through the connecting plate to with insulator and signal terminal assembly in bearing part and surrounding part, reduce the external radiation of signal, reinforcing shielding effect.

Preferably, a bump is arranged on the side wall of the insulating body, the surrounding part is annular, and a bayonet for embedding the bump is arranged on the inner wall of the surrounding part.

Through adopting above-mentioned technical scheme, bayonet socket and lug cooperation can make during insulator embedding ground connection shell, carry on spacingly to insulator, make insulator and signal terminal stable assembly in ground connection shell, and simple structure, equipment convenience.

Preferably, the grounding shell further comprises a joint part which is arranged at the receiving part and is far away from one end of the surrounding part and is used for crimping the coaxial cable, the joint part and two side walls adjacent to the receiving part are sequentially provided with a surrounding sheet for crimping the coaxial cable core, an outer conductor crimping sheet for crimping the coaxial cable outer conductor layer and a sheath crimping sheet for crimping the coaxial cable sheath along the direction of the receiving part.

By adopting the technical scheme, the surrounding sheet is in press-connection with the position where the coaxial cable core is connected with the signal terminal, the outer conductor press-connection sheet is in press-connection with the outer conductor layer of the coaxial cable, and the outer skin press-connection sheet is in press-connection with the outer skin layer of the coaxial cable, so that the grounding shell covers and shields the end of the coaxial cable connected with the coaxial cable connector, the external radiation of signals is reduced, the radio frequency performance is improved, and meanwhile, the stability of the coaxial cable connected with the coaxial cable connector is further improved.

Preferably, the outer conductor crimping piece and the outer skin crimping piece are both provided with at least one rib.

By adopting the scheme, when the coaxial cable is crimped, the position of the coaxial cable crimped by the convex rib generates larger deformation compared with the position of the coaxial cable not crimped by the convex rib, so that the coaxial cable is more stably connected with the coaxial cable connector.

Preferably, the insulating body is fixedly connected with the signal terminal.

By adopting the technical scheme, the stability and consistency of the coaxial cable connector are effectively improved, the structure is simple, the coaxial cable connector is more suitable for automatic production, the production process difficulty and the process cost are reduced, and the production efficiency is improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the coaxial cable connector is electrically connected with the coaxial cable through the connecting part of the signal terminal, and the first groove formed in the connecting part can effectively improve the welding stability and tin-absorbing strength, so that the radio frequency performance is improved;

2. the arrangement of the surrounding sheet, the outer conductor crimping sheet and the sheath crimping sheet enables the grounding shell to cover and shield the end of the coaxial cable connected with the coaxial cable connector, so that the connection stability of the coaxial cable and the coaxial cable connector is improved, meanwhile, the external radiation of signals is further reduced, and the radio frequency performance is improved;

3. the insulation body is fixedly connected with the signal terminal, so that the stability and consistency of the coaxial cable connector are effectively improved, the structure is simple, the coaxial cable connector is more suitable for automatic production, the production process difficulty and the process cost are reduced, and the production efficiency is improved.

Drawings

Fig. 1 is a schematic view of a coaxial cable connector according to an embodiment of the present invention connected to a coaxial cable.

Fig. 2 is an exploded view of a coaxial cable connector in an embodiment of the present application connected to a coaxial cable.

Fig. 3 is a schematic structural view of the coaxial cable connector according to the embodiment of the present application after the joint portion is riveted with the coaxial cable.

Description of reference numerals: 1. an insulating body; 11. a cylindrical step; 12. a contact port; 13. a second groove; 14. a bump; 2. a signal terminal; 21. a connecting portion; 211. a first groove; 22. an elastic sheet; 221. a guide piece; 3. a grounded housing; 31. an enclosing section; 311. a bayonet; 312. a baffle plate; 32 a receiving part; 33. a joint portion; 331. a surrounding sheet; 332. an outer conductor crimping piece; 333. a skin crimping piece; 34. a rib; 4. a coaxial cable; 41. a wire core; 42. an insulating layer; 43. an outer conductor layer; 44. an outer skin layer; 5. a fitting portion; 6. a connecting plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a coaxial cable connector. Referring to fig. 1, the coaxial cable connector includes an insulative body 1, a signal terminal 2 disposed in the insulative body 1, and a ground housing 3 fitted with the insulative body 1.

As shown in fig. 2, the coaxial cable connector is electrically connected to the coaxial cable 4, and the coaxial cable 4 has the same structure as the general coaxial cable 4, and includes a core 41, an insulating layer 42 disposed around the core 41, an outer conductor layer 43 covering the insulating layer, and a cable sheath layer 44 covering the outer conductor layer in this order from the center to the outermost side.

As shown in fig. 1 and 2, the signal terminal 2 is provided with a connecting portion 21 electrically connected to the core 41 of the coaxial cable 4, the connecting portion 21 is opened with a first groove 211, and the core 41 of the coaxial cable 4 is soldered in the first groove 211. Preferably, in order to increase the contact area between the first groove 211 and the wire core 41, so that the welding is more stable, and the tin-absorbing strength is higher, the opening of the first groove 211 is set to be an arc surface.

The signal terminal 2 is made of metal, preferably copper, and is made of a metal plate material having a conductive ability. The end of the signal terminal 2 away from the connecting portion 21 is provided with a pair of elastic pieces 22, and the ends of the two elastic pieces 22 away from the signal terminal 2 are close to each other, so as to clamp a center terminal (not shown) of the opposite connector when the coaxial cable connector is connected with the opposite connector, so that the coaxial cable connector is stably connected with the opposite connector, wherein the opposite connector refers to the other connector connected with the coaxial cable connector.

In order to increase the clamping opening between the two elastic pieces 22, as shown in fig. 2, the two elastic pieces 22 are provided with guide pieces 221 at ends thereof away from the signal terminal 2, the two guide pieces 221 extend obliquely away from the elastic pieces 22, ends of the two guide pieces 221 away from the elastic pieces 22 are opposite to each other, and a guide opening is formed between the two guide pieces 221. The opposite connector is more easily inserted between the two elastic pieces 22 from the guide opening, and the use is convenient.

As shown in fig. 2, the insulating body 1 is provided with a cylindrical step 11, a contact opening 12 is formed through the center of the cylindrical step 11, and the elastic piece 22 of the signal terminal 2 is exposed through the contact opening 12 to be connected with the coaxial cable connector of the opposite side; the insulating body 1 is provided with a second groove 13 at a corresponding position of the connecting portion 21, and the connecting portion 21 is disposed in the second groove 13.

As shown in fig. 2 and 3, the grounding shell 3 includes a surrounding portion 31 that is engaged with the insulating body 1 and used for mounting the insulating body 1, and a receiving portion 32 that is provided on a side of the surrounding portion 31 away from the first recess 211, the surrounding portion 31 is annular, a fitting portion 5 is formed between the surrounding portion 31 and the cylindrical step 11, and when a counterpart coaxial connector is connected, the counterpart coaxial connector is fitted into the fitting portion 5. The connecting plate 6 is provided between the surrounding portion 31 and the receiving portion 32. As shown in fig. 3, the insulation body 1 and the signal terminal 2 are assembled, and then assembled into the grounding shell 3, and the receiving portion 32 of the grounding shell 3 is bent toward the surrounding portion 31 along the connecting plate, so that the insulation body 1 and the signal terminal 2 are assembled into the receiving portion 32 and the surrounding portion 31, thereby reducing the external radiation of signals and enhancing the shielding effect. Surrounding portion 31 still is provided with baffle 312, and insulator 1 all surrounds except that the lateral surface of being connected with coaxial cable 4, all surrounds portion 31 and baffle 312 and surrounds, and shielding effect is good.

In order to position the insulator 1 and fix the insulator 1 between the receiving portion 32 and the surrounding portion 31, as shown in fig. 2, a projection 14 is further provided on a side wall of the insulator 1, and a bayonet 311 is provided on an inner wall of the surrounding portion 31, when the coaxial cable connector is assembled, the insulator 1 is assembled into the grounding shell 3 from the bayonet of the surrounding portion 31 of the grounding shell 3, the projection 14 of the insulator is inserted into the bayonet 311, and the receiving portion 32 of the grounding shell 3 is bent toward the surrounding portion 31 along the connecting plate, so that the insulator is stably inserted between the surrounding portion 31 and the receiving portion 32 of the grounding shell 3.

As shown in fig. 2 and 3, in order to connect the coaxial cable 4 and the coaxial cable connector more stably, the grounding shell 3 further includes an engaging portion 33 provided at an end of the receiving portion 32 away from the surrounding portion 31, and a surrounding piece 331, an outer conductor crimping piece, and a sheath crimping piece 333 are provided in this order on both side walls of the engaging portion 33 adjacent to the receiving portion 32 in a direction away from the receiving portion 32.

As shown in fig. 3, the surrounding pieces 331 are pressed against the coaxial cable 4 at respective positions to fix the core 41 of the coaxial cable 4 at the position connected to the signal terminal 2, and similarly, the outer conductor pressing piece 332 is pressed against the outer conductor layer 43 of the coaxial cable 4 and the sheath pressing piece 333 is pressed against the outer sheath layer 44 of the coaxial cable 4. The joint part 33 is arranged at the end, connected with the connecting part 21, of the coaxial cable 4, and the joint part 33 plays a role of a shielding layer for the coaxial cable 4, so that the external radiation of signals of the coaxial cable connector can be effectively reduced, the shielding effect of the coaxial cable connector is better, and the coaxial cable connector is simple in structure and easy to assemble.

Preferably, the outer conductor crimping pieces 332 and the sheath crimping pieces 333 are provided with a rib 34, and when the coaxial cable 4 is crimped, the position where the coaxial cable 4 is crimped by the rib 34 is deformed more than the position where the coaxial cable is not crimped by the rib 34, so that the connection between the coaxial cable 4 and the coaxial cable connector is more stable.

Furthermore, the signal terminal 2 and the insulating body 1 are integrally formed by injection molding, so that the stability and the consistency of the coaxial cable connector are improved, the structure is simple, the coaxial cable connector is more suitable for automatic production, the production process difficulty and the process cost are reduced, and the production efficiency is improved.

The implementation principle of the embodiment of the application is as follows: the signal terminal 2 and the insulating body 1 are integrally formed through injection molding, then the signal terminal 2 and the insulating body 1 are assembled in the grounding shell 3, and the signal terminal 2 is electrically connected with the coaxial cable 4; the first groove 211 is arranged, when the wire core 41 of the coaxial cable 4 is connected with the connecting part, the side wall of the first groove 211 can limit the wire core 41, so that the wire core 41 is more stably placed when being welded with the connecting part 21, and meanwhile, the first groove 211 increases the volume of the connecting part for accommodating soldering tin when the wire core is welded with the connecting part; therefore, the embodiment of the application has the advantages of stable structure, convenience in assembly, capability of effectively improving the welding stability and tin-eating strength and radio frequency performance improvement.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A coaxial cable connector, characterized by: the coaxial cable grounding structure comprises an insulating body (1), a signal terminal (2) arranged in the insulating body (1) and a grounding shell (3) assembled with the insulating body (1), wherein a connecting part (21) electrically connected with a coaxial cable is arranged on the signal terminal (2), and a first groove (211) for embedding the coaxial cable is formed in the connecting part (21).

2. The coaxial cable connector defined in claim 1, wherein: a second groove (13) is formed in the insulating body (1), the depth of the second groove (13) is larger than that of the first groove (211), and the connecting portion (21) is arranged in the second groove (13).

3. The coaxial cable connector defined in claim 2, wherein: and one end of the signal terminal (2), which is far away from the connecting part (21), is provided with paired elastic pieces (22), and one ends of the elastic pieces (22), which are far away from the signal terminal (2), are closed in opposite directions.

4. The coaxial cable connector defined in claim 3, wherein: two signal terminal (2) one end is kept away from in flexure strip (22) all is provided with guide plate (221), two guide plate (221) extend to keeping away from flexure strip (22) direction slope, two spring plate (221) keep away from flexure strip (22) one end back of the body mutually and keep away from, form the direction mouth between two guide plates (221).

5. The coaxial cable connector according to claim 1 or 4, wherein: the grounding shell (3) comprises a surrounding part (31) matched with the insulating body (1) and used for assembling the insulating body (1) and a bearing part (32) arranged on one side, far away from the first groove (211), of the surrounding part (31), and a connecting plate (6) is arranged between the surrounding part (31) and the bearing part (32).

6. The coaxial cable connector defined in claim 5, wherein: the insulation body is characterized in that a protruding block (14) is arranged on the side wall of the insulation body (1), the surrounding part (31) is annular, and a bayonet (311) for the protruding block (14) to be embedded into is arranged on the inner wall of the surrounding part (31).

7. The coaxial cable connector defined in claim 6, wherein: the grounding shell (3) further comprises a joint part (33) which is arranged at the bearing part (32) and is far away from one end of the surrounding part (31) and used for crimping the coaxial cable, wherein the joint part (33) and two adjacent side walls of the bearing part (32) are respectively and sequentially provided with a surrounding sheet (331) used for crimping a coaxial cable core, an outer conductor crimping sheet (332) used for crimping an outer conductor layer of the coaxial cable and a sheath crimping sheet (333) used for crimping a sheath of the coaxial cable in the direction of the bearing part (32).

8. The coaxial cable connector defined in claim 7, wherein: the outer conductor crimping piece (332) and the outer skin crimping piece (333) are both provided with at least one convex rib (34).

9. The coaxial cable connector defined in claim 8, wherein: the insulating body (1) is fixedly connected with the signal terminal (2).