CN219086294U

CN219086294U - Connector

Info

Publication number: CN219086294U
Application number: CN202222850978.XU
Authority: CN
Inventors: 王超
Original assignee: Changchun Jetty Automotive Parts Co Ltd
Current assignee: Changchun Jetty Automotive Parts Co Ltd
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2023-05-26
Anticipated expiration: 2032-10-28
Also published as: WO2024088420A1

Abstract

The utility model discloses a connector, which comprises an outer shell; the terminal assembly is arranged in the outer shell, the tail part of the terminal assembly is connected with a coaxial cable, and the head part of the terminal assembly is used for being connected with the opposite-plug terminal; the connecting piece is sleeved on the periphery of the terminal assembly; wherein, the shell body with be provided with connection structure between the connecting piece, and to connection structure carries out the locking structure of location. The connector has the advantages that the connecting structure and the locking structure are arranged between the outer shell and the connecting piece, the connecting effect between the outer shell and the connecting piece is enhanced, and the mechanical performance between the outer shell and the terminal assembly is improved.

Description

Connector

Technical Field

The utility model relates to the technical field of connector manufacturing, in particular to a connector.

Background

The electrical connector is widely used in the field of electric signal transmission for connecting two mutually independent electronic components, the connection of the connector is not limited to current, the carrier for transmitting signals is light, glass and plastic replace wires in a common circuit in an optical fiber system today with rapid development of optoelectronic technology, but the connector is also used in an optical signal path, and the functions of the connector are the same as those of a circuit connector, such as the FAKRA connector is specially designed for automobile application and is generally used for an automobile industrial RF (radio frequency) signal connector, a GPS (global positioning system), a satellite radio, an on-board internet access and the like.

The FAKRA connector has a structure that a terminal assembly and an outer shell are assembled through a TPA (terminal stop structure), and defective products are easily produced in the process of pressing the terminal assembly into the outer shell, so how to reduce the assembling difficulty of the FAKRA connector becomes a technical problem to be solved by those skilled in the art.

Disclosure of Invention

It is an object of the present utility model to provide a new solution for a connector for achieving a fixed connection between a terminal assembly and an outer housing.

According to a first aspect of the present utility model, there is provided a connector comprising,

an outer housing;

the terminal assembly is arranged in the outer shell, the tail part of the terminal assembly is connected with a coaxial cable, and the head part of the terminal assembly is used for being connected with the opposite-plug terminal; and

the connecting piece is sleeved on the periphery of the terminal assembly;

wherein, the shell body with be provided with connection structure between the connecting piece, and to connection structure carries out the locking structure of location.

Optionally, the connecting structure comprises an internal thread arranged on the inner peripheral wall of the outer shell and an external thread arranged on the outer peripheral wall of the connecting piece, and the internal thread is coupled with the external thread.

Optionally, the locking structure includes set up in the first through-hole of shell body, set up in the second through-hole of connecting piece, and locking piece, first through-hole with the second through-hole aligns the setting for the locking piece passes, forms the location to connecting structure.

Optionally, the side edge of the first through hole is recessed to form a removal hole, and an outer surface of the locking member in the mounted state is formed with a removal groove, and the removal hole is configured to expose the removal groove so that a removal tool protrudes into the removal groove through the removal hole to remove the locking member.

Optionally, the terminal assembly includes a terminal, an inner insulator and an outer shield body sequentially arranged from inside to outside, a tail portion of the terminal is electrically connected with a core of the coaxial cable, and the outer shield body is electrically connected with a shield layer of the coaxial cable.

Optionally, the connector is integrally injection molded to the outer peripheral surface of the outer shield.

Optionally, the terminal assembly further comprises a reinforcing fastener disposed at an outer periphery of a junction of the outer shield and the shield layer.

Optionally, the outer shield body includes being located the first body of the head one side of terminal subassembly, connect the second body of first body, the external diameter of first body is greater than the external diameter of second body, the connecting piece cladding at least first body with the junction of second body.

Optionally, the outer shielding body comprises a first pipe body located at one side of the head of the terminal assembly and a second pipe body connected with the first pipe body, the outer diameter of the first pipe body is larger than that of the second pipe body, and the connecting piece at least partially covers the outer surface of the first pipe body.

Optionally, a stop protrusion is further disposed along the inner peripheral wall of the outer housing, and in a state that the outer housing is connected with the connecting piece, the stop protrusion is attached to the outer peripheral surface of the first pipe body and abuts against the front end surface of the connecting piece along the insertion direction.

According to the connector disclosed by the utility model, the connector has the following beneficial effects:

1. through set up connection structure and locking structure between shell body and connecting piece, play simultaneously and strengthen the connection effect between shell body and the connecting piece, improve the mechanical properties between shell body and the terminal subassembly.

2. Through setting the connection structure to the internal thread and the external screw thread of coupling connection, can reduce terminal subassembly and shell body equipment degree of difficulty, reduce the defective rate of connector, improve product quality. Or, in the state that one of the outer shell and the terminal assembly is damaged, the damaged part can be replaced, the whole connector is prevented from being replaced, and the production cost and the use cost of a user are saved.

3. Through in locking piece inserts the first through-hole and the second through-hole that align the setting under the installation state, fix a position shell body and terminal subassembly, can play fixed shell body and terminal subassembly's effect, prevent that the connecting piece from driving the terminal subassembly and rotating along circumference direction and take place the displacement along axial direction relative to the shell body, strengthen the mechanical properties between terminal subassembly and the shell body.

4. Through set up connection structure and locking structure simultaneously on the connector, can prevent to become flexible because of rotatory between internal thread and the external screw thread of mutual coupling between connecting piece and the shell body, further strengthen the mechanical properties between terminal subassembly and the shell body.

5. Through setting up taking out hole and take out the groove, can take out the locking piece fast when separating terminal assembly and shell body, release the location of locking piece to the connector.

Other features of the present utility model and its advantages will become apparent from the following detailed description of exemplary embodiments of the utility model, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description, serve to explain the principles of the utility model.

FIG. 1 is a schematic structural view of a connector;

FIG. 2 is a longitudinal cross-sectional view of the connector;

FIG. 3 is a schematic view of the structure of the removal hole and the removal slot of the connector;

the figures are marked as follows:

1-an outer shell; 11-a first through hole; 12-taking out holes; 13-stop protrusions;

21-terminals; 22-an inner insulator; 23-an outer shield; 231-a first tube; 232-a second tube;

3-coaxial cable; 31-wire core; 32-an inner insulating layer; 33-a shielding layer; 34-an outer insulating layer;

4-connecting piece; 41-a second through hole;

a 5-linkage structure;

6-locking piece; 61-take-out slot;

7 reinforcing fasteners.

Detailed Description

Various exemplary embodiments of the present utility model will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise.

The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses.

Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.

In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of exemplary embodiments may have different values.

A connector according to the present disclosure, as shown in fig. 1 to 3, includes,

an outer case 1;

a terminal assembly arranged in the outer shell 1, wherein the tail part of the terminal assembly is connected with a coaxial cable 3, and the head part of the terminal assembly is used for being connected with an opposite-plug terminal 21; and

the connecting piece 4 is sleeved on the periphery of the terminal assembly;

wherein, be provided with connection structure 5 between shell 1 and the connecting piece 4, and carry out the locking structure of location to connection structure 5.

Through setting up connection structure 5 between shell body 1 and the connecting piece 4, can carry out the connection location between shell body 1 and the connecting piece 4, realize the fixed connection between terminal subassembly and the shell body 1.

Through setting up locking structure between shell body 1 and the connecting piece 4, also can realize connecting the location between shell body 1 and the connecting piece 4, realize the fixed connection between terminal subassembly and the shell body 1.

Through set up connection structure 5 and locking structure simultaneously between shell body 1 and connecting piece 4, connection structure 5 carries out preliminary fixed location to shell body 1 and connecting piece 4, and the rethread locking structure carries out the secondary fixed location to shell body 1 and connecting piece 4, plays simultaneously and strengthens the connection effect between shell body 1 and the connecting piece 4, improves the mechanical properties between shell body 1 and the terminal subassembly.

In one embodiment of the connector according to the present disclosure, as shown in fig. 2, the connection structure 5 includes an internal thread provided on an inner peripheral wall of the outer housing 1 and an external thread provided on an outer peripheral wall of the connection member 4, and the internal thread is coupled with the external thread.

By arranging the connecting structure 5 as the internal thread and the external thread which are connected in a coupling way, the assembling difficulty of the terminal assembly and the outer shell 1 can be reduced, the reject ratio of the connector can be reduced, and the product quality can be improved. Or, in a state that one of the outer housing 1 and the terminal assembly is damaged, the damaged part can be replaced, so that the replacement of the whole connector is avoided, and the production cost and the use cost of a user are saved.

In one embodiment of a connector according to the present disclosure, as shown in fig. 1 and 2, the locking structure includes a first through hole 11 provided in the outer housing 1, a second through hole 41 provided in the connecting member 4, and a locking member 6, where the first through hole 11 is aligned with the second through hole 41 for the locking member 6 to pass through, so as to locate the connecting structure 5.

Through the locking piece 6 insert in the first through hole 11 and the second through hole 41 that align the setting under the installation state, fix a position shell 1 and terminal subassembly, can play fixed shell 1 and terminal subassembly's effect, prevent that connecting piece 4 from driving terminal subassembly relative to shell 1 and rotatory and take place the displacement along axial direction along the circumference direction, strengthen the mechanical properties between terminal subassembly and the shell 1.

By providing the connection structure 5 and the locking structure on the connector at the same time, loosening due to rotation between the internal thread and the external thread of the coupling between the connector 4 and the outer housing 1 can be prevented, and mechanical properties between the terminal assembly and the outer housing 1 can be further enhanced.

The cross-sectional shape of the locking member 6 is not limited, as long as the outer side cross-sectional profile of the locking member 6 is matched with the inner side cross-sectional profile of the first stop hole and the inner side cross-sectional profile of the second stop hole, and may be a curve or a fold line corresponding to each other, in this embodiment, the outer side cross-sectional profile of the locking member 6 is quadrilateral matched with the inner side cross-sectional profile of the first stop hole and the inner side cross-sectional profile of the second stop hole.

Specifically, as shown in fig. 3, the side edge of the first through hole 11 is recessed to form a removal hole 12, and the outer surface of the locking member 6 in the mounted state is formed with a removal groove 61, and the removal hole 12 is configured to expose the removal groove 61 so that a removal tool is inserted into the removal groove 61 through the removal hole 12 to remove the locking member 6.

By providing the take-out hole 12 and the take-out groove 61, the lock member 6 can be quickly taken out and the lock member 6 can be released from positioning the connector when the terminal assembly and the outer housing 1 are separated.

In one embodiment of a connector according to the present disclosure, as shown in fig. 2, the terminal assembly includes a terminal 21, an inner insulator 22 and an outer shield 23 sequentially disposed from inside to outside, a tail portion of the terminal 21 is electrically connected to a core 31 of the coaxial cable 3, and the outer shield 23 is electrically connected to a shield layer 33 of the coaxial cable 3.

The coaxial cable 3 comprises a wire core 31, an inner insulating layer 32, a shielding layer 33 and an outer insulating layer 34 from inside to outside in sequence; the terminal assembly is provided with a terminal 21 electrically connected to the core 31, an inner insulator 22 electrically connected to the inner insulating layer 32, and an outer shield 23 electrically connected to the shield layer 33 in order from inside to outside, the shield layer 33 being provided for preventing electromagnetic fields from outside the coaxial cable 3 from interfering with signal transmission in the core 31.

In practice, the outer insulating layer 34 of the coaxial cable 3 is connected with the inner wall of the outer housing 1 in an insulating manner.

Specifically, as shown in fig. 1, the connector 4 is integrally injection-molded to the outer peripheral surface of the outer shield 23.

The outer shielding body 23 and the connecting piece 4 are formed into an integral structure, so that the assembling steps and the assembling difficulty of the connector can be reduced, the reject ratio of products can be reduced, and the yield of the products can be improved.

The connecting piece 4 is arranged to be an injection molding piece, so that the connection between the external threads of the outer peripheral wall of the connecting piece 4 and the internal threads of the inner peripheral wall of the outer shell 1 is smoother, and the connecting piece 4 and the internal threads of the inner peripheral wall of the outer shell 1 are prevented from being damaged easily due to different material hardness.

Specifically, as shown in fig. 2, the terminal assembly further includes a reinforcing fastener 7, and the reinforcing fastener 7 is disposed at the outer periphery of the junction of the outer shield 23 and the shield layer 33.

By providing the reinforcing fastener 7, the outer shield 23 and the shield layer 33 of the coaxial cable 3 can be more firmly connected as a whole, preventing disconnection between the outer shield 23 and the shield layer 33; at the same time, the connection between the connector and the coaxial cable 3 can be further reinforced.

In one embodiment, the reinforcing fastener 7 may be provided on the outer periphery of the junction of the outer shield 23 and the shield layer 33 by crimping.

The reinforcing fastener 7 may be provided in several ways:

in one embodiment, the reinforcing fastener 7 is crimped to the junction of the second round tube of the outer shield 23 and the shield mesh of the coaxial cable 3.

In one embodiment, the reinforcing fastener 7 is crimped to the junction of the outer shield 23 and the shield mesh of the coaxial cable 3, while also being crimped to a portion of the outer insulation 34. At this time, the connection structure 5 is more stable, the connection relationship between the terminal assembly and the coaxial cable 3 is more firm, the connection life of the connector and the coaxial cable 3 is prolonged, and the quality of the connector is improved.

Specifically, as shown in fig. 2, the outer shielding body 23 includes a first tube 231 located at one side of the head of the terminal assembly, and a second tube 232 connected to the first tube 231, the outer diameter of the first tube 231 is larger than the outer diameter of the second tube 232, and the connecting piece 4 at least covers the connection part between the first tube 231 and the second tube 232.

The connecting piece 4 at least covers the connection part of the first pipe body 231 and the second pipe body 232, so that the stability of the structure of the outer shielding body 23 can be enhanced.

Specifically, the outer shielding body 23 includes a first tube 231 located at one side of the head of the terminal assembly, and a second tube 232 connected to the first tube 231, the outer diameter of the first tube 231 is larger than the outer diameter of the second tube 232, and the connecting piece 4 at least partially covers the outer surface of the first tube 231.

The connecting piece 4 at least partially coats the outer surface of the first pipe body 231, and can play a role of fixing the outer shell 1 and the terminal assembly, as the length of the connecting piece 4 coating the first pipe body along the axial direction increases, the screw thread screwing length (namely, the connecting length of two matched screw threads) of the internal peripheral wall of the outer shell 1 and the external screw thread which are mutually matched and arranged on the outer peripheral wall of the connecting piece 4 increases, and the screw thread screwing length determines the connection reliability of screw thread parts, so that the connection between the terminal assembly and the outer shell 1 is further firm, and the mechanical property between the outer shell 1 and the terminal assembly is enhanced.

In an embodiment, the connecting piece 4 may at least partially cover the outer surface of the first pipe 231, or the connecting piece 4 may completely cover the outer surface of the first pipe 231, based on the connecting portion of the connecting piece 4 at least covering the first pipe 231 and the second pipe 232.

Specifically, as shown in fig. 2, a stop protrusion 13 is further disposed along the inner peripheral wall of the outer housing 1, and in a state in which the outer housing 1 is connected to the connector 4, the stop protrusion 13 is attached to the outer peripheral surface of the first pipe 231 and abuts against the front end surface of the connector 4 in the insertion direction.

By providing the stop projection 13, further screwing in of the connecting piece 4 after reaching the predetermined position can be prevented, damaging the connection between the internal thread and the external thread. Meanwhile, by the abutment projection 13 abutting the outer peripheral surface of the first tubular body 231, the relative positions of the terminal assembly and the outer housing 1 are further defined, and the connection therebetween is further reinforced.

While certain specific embodiments of the utility model have been described in detail by way of example, it will be appreciated by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the utility model. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the utility model. The scope of the utility model is defined by the appended claims.

Claims

1. A connector, characterized by comprising,

an outer housing;

the connecting piece is sleeved on the periphery of the terminal assembly;

2. The connector of claim 1, wherein the connection structure includes an internal thread provided at the inner peripheral wall of the outer housing and an external thread provided at the outer peripheral wall of the connector, the internal thread being coupled with the external thread.

3. The connector of claim 1, wherein the locking structure comprises a first through hole provided in the outer housing, a second through hole provided in the connecting member, and a locking member, the first through hole and the second through hole being aligned for the locking member to pass through, thereby positioning the connecting structure.

4. A connector according to claim 3, wherein a side edge of the first through hole is recessed to form a removal hole, an outer surface of the locking member in the mounted state is formed with a removal groove, and the removal hole is configured to expose the removal groove so that a removal tool protrudes into the removal groove through the removal hole to remove the locking member.

5. The connector of claim 1, wherein the terminal assembly comprises, in order from the inside to the outside, a terminal, an inner insulator, and an outer shield, the tail of the terminal being electrically connected to the core of the coaxial cable, the outer shield being electrically connected to the shield of the coaxial cable.

6. The connector of claim 5, wherein the connector is integrally injection molded to the outer peripheral surface of the outer shield.

7. The connector of claim 5, wherein the terminal assembly further comprises a reinforcing fastener disposed at an outer periphery of the outer shield where the shield layer is joined to the outer shield.

8. The connector of claim 5, wherein the outer shield comprises a first tube on a side of the head of the terminal assembly, a second tube connecting the first tube, the first tube having an outer diameter greater than an outer diameter of the second tube, and the connector at least covering a junction of the first tube and the second tube.

9. The connector of claim 5, wherein the outer shield includes a first tube on a side of the header of the terminal assembly, a second tube connecting the first tube, the first tube having an outer diameter greater than an outer diameter of the second tube, the connector at least partially surrounding an outer surface of the first tube.

10. The connector according to claim 9, wherein a stopper projection is further provided along an inner peripheral wall of the outer housing, and in a state where the outer housing is connected to the connecting member, the stopper projection abuts against an outer peripheral surface of the first tube body and abuts against a front end surface of the connecting member in an insertion direction.