A kind of connector for cable television network system
[technical field]
The invention is related to the connector in cable television network system.
[background technique]
Data transmission often needs to use connector, such as the connection of cable of cable TV coaxial cable.It is existing to have
Connector in line television network system generally comprises a shell, and center conductor is arranged in shell, further, existing
A kind of connector, the center conductor both ends are respectively tail folder and conductive column, shell and tail folder, outer in order to ensure insulation
Insulation sleeve is respectively set between shell and conductive column, the insulation sleeve at conductive column is generally arranged two, and one is rigid, and one is
Flexible, insulation sleeve flexible and shell are interference fitted, and for sealing and limiting, rigid insulation sleeve is used to form reliable exhausted
Edge, the insulation sleeve of the rigidity are usually to cooperate with body clearance in order to assemble.
Above-mentioned existing connector exists following insufficient: part is excessive, and structure is complicated, is unfavorable for manufacturing and assemble, cost
It is high;The fastening force that insulation sleeve flexible provides is insufficient, and product structure is loose;The concentricity of center conductor and shell is poor.
[summary of the invention]
To solve the above-mentioned problems, the invention provides a kind of connector for cable television network system, has
Structure is simple, fitting tight between part, the reliable advantage of good concentricity, insulation between shell and center conductor.
The invention is realized by following technical solution:
A kind of connector for cable television network system, including shell 1 are provided with mounting hole 11 on the shell 1,
Center element is provided in the mounting hole 11, the center element includes center conductor 2,2 both ends of center conductor
Tail folder 21 and conductive column 22 is respectively set, the center element further includes the insulation sleeve 3 and set being set in outside the tail folder 21
Be located at the insulation cock body 4 of the rigidity outside the conductive column 22, be provided in the mounting hole 11 for limit the insulation sleeve 3 from
The limited step 111 deviate from mounting hole 11, the insulation sleeve 3 setting between the limited step 111 and insulation cock body 4 and
Described 3 one end of insulation sleeve is against on the limited step 111 and the other end is against on the insulation cock body 4, the insulation cock body 4
It is interference fitted with the mounting hole 11.
As the preferred embodiment of the invention, it is further defined in that between the insulation sleeve 3 and the mounting hole 11
Gap cooperation.
As the preferred embodiment of the invention, it is further defined in that on the insulation sleeve 3 and is provided with described in receiving
The tail of center conductor 2 presss from both sides 21 holding tank 31, is provided at the bottom wall central of the holding tank 31 and penetrates the holding tank 31
Bottom wall perforation 30, the side wall of the limited step 111, which surrounds, makes 30 exposed through-holes 100 of the perforation.
As the preferred embodiment of the invention, it is further defined in that the cell wall of the holding tank 31 includes a pair
Symmetrically arranged, the limitation tail presss from both sides the confined planes 311 of 21 opposing insulations set, 3 rotation.
As the preferred embodiment of the invention, it is further defined in that the tail folder 21 includes two elastic slices 211,
Conductive column mounting portion 212 is provided between one end of described two elastic slices 211, described two elastic slices 211 are pacified with the conductive column
Dress portion 212 is connected, and the conductive column 22 is fixedly connected with the conductive column mounting portion 212, the conductive column mounting portion 212
Two sides protrude the stretching, extension wing of with the insulation sleeve 3 cooperation, the limit 21 insertion holding tank 31 of tail folder depth
213, the endface of the insulation sleeve 3 is provided with the recessing groove 32 for accommodating the stretching, extension wing 213, and the stretching, extension wing 213 is in institute
It states between insulation sleeve 3 and the insulation cock body 4.
As the preferred embodiment of the invention, it is further defined in that at the groove bottom of the holding tank 31 and is arranged
There is the protrusion 312 of annular, the protrusion 312 of the annular surrounds a part of the perforation 30.
As the preferred embodiment of the invention, it is further defined in that the insulation sleeve 3 and the insulation cock body 4
It is mutually inserted cooperation.
As the preferred embodiment of the invention, it is slotting to be further defined in that the endface of the insulation sleeve 3 is provided with
Boss 33 is connect, the endface of the insulation cock body 4 is provided with the interface 41 with the grafting boss 33 cooperation.
As the preferred embodiment of the invention, it is further defined in that the insulation cock body 4 includes clearance fit section
42 and interference fit section 43,11 clearance fit of mounting hole of the clearance fit section 42 and the shell 1, the interference fit section
43 are interference fitted with the mounting hole 11, are provided with guiding between the clearance fit section 42 and the outer peripheral surface of interference fit section 43
Inclined-plane 44.
It is the advantages of the invention compared with the existing technology:
1, a kind of connector for cable television network system, including shell are provided with mounting hole on the shell, institute
It states and is provided with center element in mounting hole, the center element includes center conductor, and the center conductor both ends are set respectively
Tail folder and conductive column are set, the center element further includes the insulation sleeve being set in outside the tail folder and is set in the conductive column
The insulation cock body of outer rigidity is provided with the limiting stand deviate from from mounting hole for limiting the insulation sleeve in the mounting hole
Rank, the insulation is set between the limited step and insulation cock body and described insulation sleeve one end is against the limited step
It is upper and the other end is against on the insulation cock body, the insulation cock body and mounting hole interference fit.The company of the invention
Connect device when in use, conductive column or as the male plug needle cooperated with mother socket or as with external pcb board or coaxial electrical
The terminal of the center conductor electrical connection of cable, tail folder is then as the mother socket for external contact pin insertion.The connection of the invention
The insulation cock body of the rigidity of device and the mounting hole of shell are interference fit, and center conductor and the good concentricity of shell, insulation can
It leans on, fastening structure after component assembly, while reducing part, reduce costs.
2, the further improvement as the connector of the invention, the insulation sleeve are mutually inserted with the insulation cock body
Cooperation.Above-mentioned setting can be further improved the fitting tight degree between part, so that finished product structure is firm, high reliablity.
[Detailed description of the invention]
Fig. 1 is the three-dimensional view of the invention embodiment;
Fig. 2 is one of the explosive view of the invention embodiment;
Fig. 3 is the two of the explosive view of the invention embodiment;
Fig. 4 is the main view of the invention embodiment;
Fig. 5 is the top view of the invention embodiment;
Fig. 6 be Fig. 4 A-A to cross-sectional view;
Fig. 7 is the cross-sectional view of the B-B direction of Fig. 5;
Fig. 8 is the enlarged diagram at the P of Fig. 7;
Fig. 9 is the three-dimensional view of the insulation cock body of the invention embodiment;
Figure 10 is the three-dimensional view of the insulation sleeve of the invention embodiment;
Figure 11 is the three-dimensional view of the center conductor of the invention embodiment.
[specific embodiment]
1 to 11 pair of the invention is further described with reference to the accompanying drawing:
A kind of connector for cable television network system, including shell 1 are provided with mounting hole 11 on the shell 1,
Center element is provided in the mounting hole 11, the center element includes center conductor 2,2 both ends of center conductor
Tail folder 21 and conductive column 22 is respectively set, the center element further includes the insulation sleeve 3 and set being set in outside the tail folder 21
Be located at the insulation cock body 4 of the rigidity outside the conductive column 22, be provided in the mounting hole 11 for limit the insulation sleeve 3 from
The limited step 111 deviate from mounting hole 11, the insulation sleeve 3 setting between the limited step 111 and insulation cock body 4 and
Described 3 one end of insulation sleeve is against on the limited step 111 and the other end is against on the insulation cock body 4, the insulation cock body 4
It is interference fitted with the mounting hole 11.
The connector of the invention when in use, conductive column 22 or as the male plug needle cooperated with mother socket or
As the terminal being electrically connected with the center conductor of external pcb board or coaxial cable, tail folder 21 is then inserted as external contact pin
The mother socket entered.The mounting hole 11 of the shell 1 is to installation center component.The insulation of the rigidity of the connector of the invention
The mounting hole 11 of cock body 4 and shell 1 is interference fit, and the good concentricity of center conductor and shell 1, insulation are reliable, part dress
With rear fastening structure, while reducing part, reduces costs.
For the ease of assembly, the insulation sleeve 3 and 11 clearance fit of mounting hole.
For the ease of the insertion of external contact pin, the tail folder 21 for accommodating the center conductor 2 is provided on the insulation sleeve 3
Holding tank 31 is provided with the perforation 30 for penetrating the bottom wall of the holding tank 31, the limit at the bottom wall central of the holding tank 31
The side wall of position step 111, which surrounds, makes 30 exposed through-holes 100 of the perforation.
21 rotation of tail folder in order to prevent influences the connector of the invention and the connection of outside, the slot of the holding tank 31
Wall includes the confined planes 311 that a pair of symmetrically arranged, limitation tail presss from both sides 21 opposing insulations set, 3 rotation.
It is further preferred that the tail folder 21 includes two elastic slices 211, it is arranged between one end of described two elastic slices 211
Have conductive column mounting portion 212, described two elastic slices 211 are connected with the conductive column mounting portion 212, the conductive column 22 with
The conductive column mounting portion 212 is fixedly connected, 212 two sides of conductive column mounting portion protrude with the insulation sleeve 3 cooperation,
The stretching, extension wing 213 of the depth of the 21 insertion holding tank 31 of tail folder is limited, the endface of the insulation sleeve 3 is provided with receiving
The recessing groove 32 of the stretching, extension wing 213, the stretching, extension wing 213 are between the insulation sleeve 3 and the insulation cock body 4.Stretching, extension
The wing 213 can prevent the connector of the invention tail folder 21 in assembly to be inserted into, and holding tank 31 is too deep to be led to tail folder 21 and accommodates
31 slot bottom of slot is collided and is damaged;Meanwhile stretching the wing 213 also can make center conductor 2 on the depth direction of holding tank 31
Position is relatively fixed, and center conductor 2 is avoided to have excessive diastema, causes to shake.31 depth of the holding tank refers to receiving
Distance of the slot bottom of slot 31 to notch.
In order to allow external contact pin and the preferably cooperation of tail folder 21 as socket, avoid inserting it is askew, the holding tank 31
The protrusion 312 of annular is provided at groove bottom, the protrusion 312 of the annular surrounds a part of the perforation 30.Annular is convex
It plays 312 and makes 30 more " length " of the perforation, play the role of guiding.
The assembly tightness between connector part in order to further increase the invention, the insulation sleeve 3 with it is described
Insulation cock body 4 is mutually inserted cooperation.
Preferably, the endface of the insulation sleeve 3 is provided with grafting boss 33, the endface setting of the insulation cock body 4
There is the interface 41 with the grafting boss 33 cooperation.
In order to reduce insulation cock body 4 assembly difficulty, the insulation cock body 4 include clearance fit section 42 and be interference fitted
Section 43,11 clearance fit of mounting hole of the clearance fit section 42 and the shell 1, the interference fit section 43 and the installation
Hole 11 is interference fitted, and is provided with guiding surface 44 between the clearance fit section 42 and the outer peripheral surface of interference fit section 43.It is preferred that
Ground, the half of of length no more than insulation 23 length of cock body of the interference fit section 43.
It is connect for the ease of the connector of the invention with external device (ED), is provided with screw thread on shell 1.For the ease of in
Heart electric conductor is electrically connected with external device (ED), and the conductive column 22 exposes outside shell 1.
The invention provides a kind of method for manufacturing the connector in cable television network system simultaneously:
A kind of method of connector in manufacture cable television network system, comprising the following steps:
Step S1: manufacture obtains the insulation cock body 4 of shell 1, center conductor 2, insulation sleeve 3 and rigidity;The shell 1
On be provided with mounting hole 11, be provided with limited step 111 in the mounting hole 11;2 both ends of center conductor are respectively set
Tail folder 21 and conductive column 22;The through-hole 40 for the conductive column 22 insertion, the insulation cock body are provided on the insulation cock body 4
4 with the mounting hole 11 be interference fit;
Step S2: center conductor 2, insulation sleeve 3, insulation cock body 4 are taken, the insulation sleeve 3 and the insulation cock body 4 are divided
It is not set in outside the tail folder 21 and the conductive column 22 and forms center element;
Step S3: taking shell 1, and the center element as obtained from step S2 by stamping device is pressed into the mounting hole
Make the insulation sleeve 3 and insulation cock body 4 be in mounting hole 11 insulation sleeve 3 simultaneously in 11 to be in the limited step
Between 111 and insulation cock body 4 and 3 one end of the insulation sleeve is against the other end on the limited step 111 and is against the insulating plug
On body 4.The manufacturing method of the connector, it is easy to operate, it is easy to implement.The shell 1 that refers in the invention method, center are led
Electric body 2, insulation sleeve 3 and insulation cock body 4 can be using the one kind referred in the invention for cable TV network system
The structure and its improvement of the connector of system.