CN111029833A

CN111029833A - Data joint connector

Info

Publication number: CN111029833A
Application number: CN201911164390.5A
Authority: CN
Inventors: 洪军标
Original assignee: Ningbo Xichuang Nike Electronic Technology Co ltd
Current assignee: Ningbo Xichuang Nike Electronic Technology Co ltd
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-04-17
Anticipated expiration: 2039-11-25
Also published as: CN111029833B

Abstract

The utility model provides a data joint connector, its is including data joint, joint casing and tail cover, its characterized in that: the rear portion of the data connector is coated with a positioning fixing sleeve, the data connector is inserted into an inner cavity of the connector shell through the positioning fixing sleeve to be positioned and fixed, a through hole for the data wire to penetrate is formed in the rear end of the tail sleeve, an elastic deformation portion which is in contact with the data wire is arranged on the inner side of the through hole of the tail sleeve, the rear portion of the positioning fixing sleeve penetrates through the connector shell and then is fixedly connected with the front end of the tail sleeve through threads, and the elastic deformation portion in the tail sleeve is extruded when the tail sleeve is screwed down, so that the elastic deformation portion extrudes the data wire to be fixed and sealed. The invention has the advantages of reasonable structure, convenient and quick assembly, high structural strength, good protection effect on the data connector, good waterproof performance and long service life.

Description

Data joint connector

Technical Field

The invention relates to the technical field of connectors, in particular to a data joint connector.

Background

A crystal head, known in the art as an RJ-45 connector, is a plastic data connector that can be inserted in a fixed orientation and automatically prevented from falling off, and is widely used for field termination between devices or horizontal subsystems. Most of existing crystal heads are connected with the network cable and then directly inserted into the corresponding sockets, the crystal heads are not necessary to be protected and waterproof facilities, in the using process, the network cable is easy to loosen and fall off or poor signal contact is caused, and some connectors with protective tail sleeves are also protected on the market at present, but the structural design is not reasonable enough, and the network cable is not fixed firmly enough and the waterproof effect is not ideal.

It has been examined that chinese patent prior art CN02152420.3 discloses an RJ-45 data connector assembly mountable to a multi-channel cable end connector having a connector, the assembly being formed to position the connector contacts to direct electrical and mechanical contact with mating contacts in a receptacle and to lock the connector assembly in the receptacle, wherein: the data connector assembly comprises: a housing having a positioning device for positioning said multi-channel end connector at a predetermined location within said housing, said housing having threads on a surface thereof, said positioning device including a transverse spacer positioned within said housing, said connector being positioned such that said connector contacts can directly contact said mating contacts in said receptacle through an open end of said housing; a radially compressible collet that pushes the multi-channel end connector to the predetermined position, thereby gripping the cable; a conical shroud member radially pressing the collet; a threaded sleeve for blocking said tapered boot member and for mating with said threads on said housing at a threaded engagement to compress the sleeve, boot member, collet, housing, and multi-channel end connector together, thereby forming said assembly. The RJ-45 connector has the advantages that the RJ-45 connector can be positioned and fixed by directly utilizing the transverse partition plate in the shell, the transverse partition plate is usually a metal body which is made together with the shell, the requirements on various machining sizes are higher, the production and the manufacture are not facilitated, in addition, the threaded sleeve and the conical pipe cover piece are utilized, the sealing and waterproof protection is almost not available, the phenomena of water leakage and dust leakage easily exist, and the electric signal connection is influenced.

Disclosure of Invention

The technical problem to be solved by the present invention is to provide a data connector with reasonable structure, high structural strength and good waterproof and sealing properties.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a data joint connector, its includes data joint, connects casing and tail cover, its characterized in that: the rear portion cladding of data joint has the fixed cover of location, makes the data joint plant at joint housing inner chamber location through the fixed cover of location and fixes, and the rear end of tail cover is seted up and is supplied the through-hole that the data line wore to put, and the tail cover has the elastic deformation portion that contacts with the data line in the through-hole inboard, and the rear portion of the fixed cover of location is passed behind the joint housing and is passed through threaded connection with the front end of tail cover and fix together to produce the extrusion to the elastic deformation portion of tail cover when screwing up, thereby make elastic deformation portion extrusion data line fixed seal.

Further, in order to improve sealing performance and do benefit to the assembly, the rear end of the fixed cover of location constitutes grafting portion, and the annular slot that supplies grafting portion male is seted up to the axial between the inside in the internal thread hole of tail cover and the elastic deformation portion, has the direction cooperation structure between the opening of annular slot and the grafting portion inboard, when the fixed cover of location was screwed up with the tail cover screw thread, grafting portion inserted in the annular slot of circle, made the elastic deformation portion of tail cover cladding outside the data line produce compression deformation to the fixed seal of extrusion data line is lived.

Preferably, the insertion part is a non-threaded insertion part extending from the end of the external thread connecting section of the positioning fixing sleeve, or the rear end of the external thread connecting section of the positioning fixing sleeve.

Furthermore, in order to facilitate assembly and improve sealing performance, the guiding and matching structure is that the inner side surface of the insertion part is provided with a circular table surface with the diameter gradually increased in the axial direction, and the elastic deformation part is an outward inclined circular table surface convenient for insertion of the insertion part in the axial direction.

Further, in order to improve the sealing performance, a plurality of sealing rings are distributed on the elastic deformation part in the axial direction of the inner side surface contacting the data line.

Furthermore, in order to improve the sealing performance, the front end face of the tail sleeve is provided with an elastic sealing ring.

Furthermore, in order to facilitate processing and assembling, the tail sleeve comprises a tail sleeve main body made of plastic, and an elastic material is coated on the middle rear part of the tail sleeve main body through secondary forming, so that the elastic material becomes an elastic deformation part in the tail sleeve main body, and an elastic sealing ring is formed on the front end surface of the tail sleeve.

Preferably, the data connector is an RJ-45 connector.

Furthermore, in order to conveniently manufacture the connector shell and fix the data connector in a positioning mode, the connector shell is of a cylindrical structure, the front portion of the positioning fixing sleeve is of a cylindrical structure matched with an inner cavity of the connector shell, the positioning fixing sleeve is formed by oppositely combining a left half positioning fixing sleeve and a right half positioning fixing sleeve, the front portions of the left half positioning fixing sleeve and the right half positioning fixing sleeve are detachably coated on the left side and the right side of the rear portion of the data connector in an oppositely combined mode, and the rear portions of the left half positioning fixing sleeve and the right half positioning fixing sleeve are oppositely combined to form an external thread connecting section and/or an inserting part connected with the.

In order to conveniently position and fix the data connector, positioning concave surfaces for embedding the left side and the right side of the rear part of the data connector and steps for matching positioning are formed on the inner walls of the front parts of the left half positioning fixing sleeve and the right half positioning fixing sleeve.

In order to conveniently position and fix the data connector and assemble, the upper end and the lower end of the inner side of the front part of the left half positioning fixing sleeve are respectively provided with a positioning bulge, the butt joint surface of the front part of the right half positioning fixing sleeve is provided with a corresponding positioning clamp hole, and the left half positioning fixing sleeve and the right half positioning fixing sleeve are fixedly buckled with the positioning clamp holes through the matching of the positioning bulges.

Furthermore, the external thread connecting section and/or the inserting part formed after the rear parts of the left half positioning fixing sleeve and the right half positioning fixing sleeve are closed are/is a reducing section, the inner cavity of the joint shell is a circular cavity matched with the front cylindrical section of the positioning fixing sleeve, the rear end opening of the joint shell is a reducing round hole through which the external thread connecting section of the positioning fixing sleeve can extend, the external thread connecting section of the positioning fixing sleeve extends out of the joint shell and is connected with the tail sleeve, and the front cylindrical section of the positioning fixing sleeve is abutted to the step of the reducing round hole and is limited.

And finally, the front end of the tail sleeve is provided with an internal thread hole corresponding to the external thread connecting section of the positioning fixing sleeve, and the data wire penetrates through a through hole at the rear end of the tail sleeve and is fixedly connected with the rear end of the data connector.

Compared with the prior art, the invention has the advantages that: the rear part of the data joint is coated with a positioning fixing sleeve which can be disassembled, so that the rear wiring position of the data joint is protected, and the structural strength is improved; the joint shell is arranged outside the data joint and the positioning fixing sleeve and is in threaded connection with the tail sleeve through the positioning fixing sleeve, so that the protection effect is further achieved; because the positioning fixing sleeve is simply matched with the inner cavity of the joint shell, the requirement on the machining precision of the metal part joint shell is reduced; the end part of the threaded connection is also provided with a plug-in part which is plugged in the circular slot of the tail sleeve, so that the waterproof sealing effect is achieved, and the tail sleeve is extruded when the tail sleeve is screwed down, so that the data line is extruded to realize fixed sealing connection. The invention has the advantages of reasonable structure, convenient and quick assembly, high structural strength, good protection effect on the data connector, good waterproof and sealing performance and long service life.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a structural cross-sectional view of an embodiment of the present invention;

FIG. 3 is an exploded view of FIG. 1;

FIG. 4 is a further exploded view of FIG. 3 (in the reverse state);

FIG. 5 is a further exploded view of FIG. 3 (in a front view);

fig. 6 is a schematic structural view of the boot of the present invention.

Detailed Description

The invention is described in further detail below with reference to the accompanying examples.

As shown in fig. 1 to 6, a connector of a data connector includes a data connector 2 such as a crystal plug RJ-45, a connector housing 1, a positioning fixing sleeve 4 and a tail sleeve 3, the connector housing 1 is a cylindrical structure made of metal, the positioning fixing sleeve 4 is coated on the rear portion of the data connector 2, the data connector 2 is inserted into an inner cavity of the connector housing 1 through the positioning fixing sleeve 4 and is positioned and fixed, a through hole for a data cable 5 to pass through is formed in the rear end of the tail sleeve 5, and the rear end of the positioning fixing sleeve 4 passes through the connector housing 1 and is fixed to the front end of the tail sleeve 3 through threaded connection.

The part of the tail sleeve 3 in contact with the data line 5 is an elastic rubber part serving as an elastic deformation part 33, the rear part of the positioning fixing sleeve 4 penetrates through the joint shell 1 to be fixedly connected with the front end of the tail sleeve 3 through threads, and the elastic deformation part 33 of the tail sleeve 3 is extruded when the positioning fixing sleeve is screwed down, so that the compressed rubber part extrudes the data line 5 to realize fixed sealing connection.

The concrete structure is as follows: the positioning fixing sleeve 4 is formed by a left half positioning fixing sleeve 41 and a right half positioning fixing sleeve 42 in an involution mode, the front portions of the left half positioning fixing sleeve 41 and the right half positioning fixing sleeve 42 are detachably involuted and coated on the left side and the right side of the rear portion of the data connector 2, the rear portions of the left half positioning fixing sleeve 41 and the right half positioning fixing sleeve 42 are involuted to form an external thread connecting section 43 connected with the tail sleeve 3, the front portion of the positioning fixing sleeve 4 after the left half positioning fixing sleeve 41 and the right half positioning fixing sleeve 42 are involuted is basically of a cylindrical structure, the rear portion of the data connector 2 is of a hollow cuboid structure protruding downwards, positioning concave surfaces 411 for embedding the left side and the right side of the rear portion of the data connector 2 and a step 412 matched with the positioning are formed on the inner walls of the front portions of the left half positioning fixing sleeve 41 and the right. Two positioning protrusions 413 are respectively formed at the upper end and the lower end of the inner side of the front part of the left half positioning fixing sleeve 41, corresponding positioning clamp holes 421 are concavely formed on the front part butt joint surface of the right half positioning fixing sleeve 42, and the left half positioning fixing sleeve 41 and the right half positioning fixing sleeve 42 are buckled and positioned through the matching of the positioning protrusions 413 and the positioning clamp holes 421. The rear parts of the left half positioning fixing sleeve 41 and the right half positioning fixing sleeve 42 are involutively formed, and the external thread connecting section 43 and the inserting part 44 are reducing sections, the inner cavity of the joint shell 1 is a circular cavity matched with the front cylindrical section of the positioning fixing sleeve 4, the rear end opening of the joint shell 1 is a reducing round hole 11 which can be used for the external thread connecting section 43 of the positioning fixing sleeve 4 to stretch out, the external thread connecting section 43 of the positioning fixing sleeve 4 stretches out of the joint shell 1 and is in threaded connection with the tail sleeve 3, the front cylindrical section of the positioning fixing sleeve 4 is abutted to the bottom wall of the inner cavity of the joint shell 1 with the step of the reducing round hole 11, and the end surface of the tail sleeve 3 is tightly attached to the rear end surface of the shell 1 when the external thread connecting section 43 at the rear parts of the tail sleeve. The front end of the tail sleeve 3 is provided with an internal thread hole 31 corresponding to the external thread connecting section 43 of the positioning fixing sleeve 4, the part of the tail sleeve 3 contacting with the data wire 5 is an elastic rubber part serving as an elastic deformation part 33, and the data wire 5 penetrates through the through hole at the rear end of the tail sleeve 3 and is fixedly connected with the rear end of the data connector 2. The end of the external thread connecting section 43 of the positioning fixing sleeve 4 extends to form a non-threaded inserting part 44, a circular ring-shaped slot 32 for inserting the inserting part 44 is formed between the inner side of the internal thread hole 31 of the tail sleeve 3 and the elastic deformation part 33 in the axial direction, a guide matching surface is formed between the opening of the circular ring-shaped slot 32 and the inner side of the inserting part 44 to serve as a guide structure, the guide matching surface is a circular table surface with a diameter gradually increased in the axial direction on the inner side surface of the inserting part 44, correspondingly, the elastic deformation part 33 is a circular table surface inclined towards the outside in the axial direction, the inserting part 44 is convenient to insert, a plurality of sealing rings 34 are distributed on the inner side surface of the elastic deformation part 33 contacting the data wire 5 in the axial direction, and an elastic sealing ring 35 is also arranged on the front end surface of the tail sleeve. For convenience of manufacture and assembly, the boot 3 includes a boot main body 3A made of plastic, and an elastic material such as a rubber material is coated on a middle rear portion of the boot main body 3A by secondary injection molding, and at the same time, an elastic deformation portion 33 is formed in the boot main body 3A by the elastic material, and an elastic seal ring 35 is formed on a front end surface of the boot. Like this, when fixed cover 4 of location was screwed up with tail cover 3 screw thread, grafting portion 44 inserted in ring shape slot 32, made tail cover 3 cladding elastic deformation portion 33 rubber spare outside data line 5 produce the compression to extrusion data line 5 is fixed sealed, and the terminal surface offsets with joint casing 1 before the tail cover 3 simultaneously, and preceding terminal surface elastic seal 35 through tail cover 3 further improves sealed waterproof performance.

During assembly, the tail sleeve 3 penetrates through the data line 5, the connector shell 1 penetrates through the data line 5, the data line 5 and the data connector 2 are fixedly connected in a compression joint mode, the left half positioning fixing sleeve 41 and the right half positioning fixing sleeve 42 are fixedly sleeved on the rear portion of the data connector 2 respectively and fixedly buckled, the data connector 2 sleeved with the positioning fixing sleeve 4 is inserted into the inner cavity of the connector shell 1 to be positioned and fixed, and finally the tail sleeve 2 and the rear end of the positioning fixing sleeve 4 are screwed and fixed.

The rear part of the data joint 2 is coated with the positioning fixing sleeve 4, so that the data joint 2 is protected; the joint shell 1 is arranged outside the data joint 2 and the positioning fixing sleeve 4, and further plays a role in protecting the data joint 2; when the positioning fixing sleeve 4 is in threaded connection with the tail sleeve 3, the insertion part 44 is arranged in the circular slot 32 of the tail sleeve 3, so that the waterproof sealing effect is achieved, and the tail sleeve 3 is extruded when the positioning fixing sleeve 4 is screwed down, so that the elastic deformation part 34 extrudes the data wire 4 for fixing and sealing.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a data joint connector, its is including data joint, joint casing and tail cover, its characterized in that: the rear portion of the data connector is coated with a positioning fixing sleeve, the data connector is inserted into an inner cavity of the connector shell through the positioning fixing sleeve to be positioned and fixed, a through hole for the data wire to penetrate is formed in the rear end of the tail sleeve, an elastic deformation portion which is in contact with the data wire is arranged on the inner side of the through hole of the tail sleeve, the rear portion of the positioning fixing sleeve penetrates through the connector shell and then is fixedly connected with the front end of the tail sleeve through threads, and the elastic deformation portion in the tail sleeve is extruded when the tail sleeve is screwed down, so that the elastic deformation portion extrudes the data wire to be fixed and sealed.

2. The data splice connector of claim 1, wherein: the rear end of the positioning fixing sleeve forms an insertion part, an annular insertion groove for inserting the insertion part is axially formed between the inner side of an internal thread hole of the tail sleeve and the elastic deformation part, a guide matching structure is arranged between the opening of the annular insertion groove and the inner side of the insertion part, when the positioning fixing sleeve is screwed up with the tail sleeve, the insertion part is inserted into the annular insertion groove, the elastic deformation part of the tail sleeve wrapping the data line generates compression deformation, and the data line is extruded to be fixedly sealed.

3. The data splice connector of claim 2, wherein: the inserting part is a non-threaded inserting part extending from the end part of the external thread connecting section of the positioning fixing sleeve, or the rear end part of the external thread connecting section of the positioning fixing sleeve.

4. The data splice connector of claim 2, wherein: the guiding matching structure is a round table top with the diameter gradually increased on the inner side surface of the inserting part in the axial direction, and the elastic deformation part is a round table top which is inclined outwards in the axial direction and is convenient for the inserting part to be inserted.

5. The data splice connector of claim 2, wherein: and a plurality of sealing rings are distributed on the elastic deformation part in the axial direction of the inner side surface contacting the data line.

6. The data splice connector of claim 2, wherein: and an elastic sealing ring is arranged on the front end surface of the tail sleeve.

7. The data splice connector of claim 6, wherein: the tail sleeve comprises a tail sleeve main body made of plastics, and an elastic material is coated on the middle rear part of the tail sleeve main body through secondary forming, so that the elastic material becomes an elastic deformation part in the tail sleeve main body, and an elastic sealing ring is formed on the front end surface of the tail sleeve.

8. The data joint connector of any one of claims 1-7, wherein: the data connector is an RJ-45 connector.

9. The data splice connector of claim 8, wherein: the connector shell is of a cylindrical structure, the front portion of the positioning fixing sleeve is of a cylindrical structure matched with an inner cavity of the connector shell, the positioning fixing sleeve is formed by combining a left half positioning fixing sleeve and a right half positioning fixing sleeve, the front portions of the left half positioning fixing sleeve and the right half positioning fixing sleeve are detachably coated on the left side and the right side of the rear portion of the data connector in a combined mode, and the rear portions of the left half positioning fixing sleeve and the right half positioning fixing sleeve are combined to form an external thread connecting section and/or an inserting part connected with the tail sleeve.

10. The data splice connector of claim 9, wherein: and positioning concave surfaces for embedding the left side and the right side of the rear part of the data connector and steps for matching and positioning are formed on the inner walls of the front parts of the left half positioning fixing sleeve and the right half positioning fixing sleeve.

11. The data splice connector of claim 10, wherein: the upper end and the lower end of the inner side of the front part of the left half positioning fixing sleeve are respectively provided with a positioning bulge, the front butt joint surface of the right half positioning fixing sleeve is provided with a corresponding positioning clamp hole, and the left half positioning fixing sleeve and the right half positioning fixing sleeve are fixed together through the matching buckling of the positioning bulges and the positioning clamp holes.

12. The data splice connector of claim 11, wherein: the rear portion of the left half positioning fixing sleeve and the right half positioning fixing sleeve is closed to form an external thread connecting section and/or a plug-in part which is a reducing section, an inner cavity of the joint shell is a circular cavity matched with the front cylindrical section of the positioning fixing sleeve, a reducing round hole is formed in the rear end opening of the joint shell and can be used for extending out of the external thread connecting section of the positioning fixing sleeve, the external thread connecting section of the positioning fixing sleeve extends out of the joint shell and is connected with the tail sleeve, and the front cylindrical section of the positioning fixing sleeve is abutted to the step of the reducing round hole to be limited.

13. The data splice connector of claim 12, wherein: the front end of the tail sleeve is provided with an internal thread hole corresponding to the external thread connecting section of the positioning fixing sleeve, and the data line penetrates through a through hole at the rear end of the tail sleeve and is fixedly connected with the rear end of the data connector.