CN200969409Y - Coaxial cable connector - Google Patents

Abstract

A coaxial cable connecting device includes a connecting terminal electrically connected with the inner conductor of the coaxial cable, an insulation component accepting the connecting terminal and a metal shell, in the device, the connecting terminal is arranged with a connection guiding part, a fixing part which is formed by one end of the connection guiding part extending upwards and a connecting piece which is formed by the connection guiding part extending downwards, the fixing part includes a fixing groove which vertically extends to the connection guiding part to suite for clipping the inner conductor to electrically connect with the connection guiding part thus to realize the efficacies of better electrical connection and more effectively positioning the coaxial cables.

Description

Coaxial cable connector

[technical field]

The utility model relates to a kind of connector, particularly relates to a kind of coaxial cable connector that is used for connecting coaxial cable (coaxial cable).

[background technology]

Transmission and its range of application that coaxial cable is usually used in data are quite extensive, as radio, cable TV or the like.Previous coaxial cable is to be electrically connected with the conductor of another cable, is the conductor that the inner conductor in the coaxial cable (internal conductor) is soldered to another cable.Yet, connect the condition of poor generation easily because welding process than complexity and precision requirement height, causes.Therefore, coaxial cable often utilizes coaxial cable connector to be electrically connected with the conductor of another cable at present.

The U.S. the 6th, 790, No. 082 patent discloses a kind of coaxial cable connector 9.As Fig. 1, Fig. 2, this coaxial cable connector 9 has splicing ear 91, the insulating component 92 and in order to support and connection terminal 91 in order to the inner conductor 81 that connects coaxial cable 8 and is coated on the outer metal shell 93 of insulating component 92.When connecting coaxial cable 8, earlier place coaxial cable 8 two of splicing ear 91 to be 911,912 of the conductors of polyline shaped (dogleg shape) along arrow I direction.Then, the kink 931 that makes metal shell 93 and the kink 921 of insulating component 92 synchronously towards body 922 bendings of the main body 932 of metal shell 93 and insulating component 92 until covering thereon, make 911,912 distortion of 91 liang of conductors of splicing ear this moment and seize inner conductor 81 on both sides by the arms in wherein.At last, the many of metal shell 93 are engaged on the main body 932 and coaxial cable 8 of metal shell 93 respectively to engaging tongue piece 933,934,935.So, the U.S. the 6th, 790, No. 082 patent is finished being electrically connected of splicing ear 91 and inner conductor 81 to force splicing ear 91 bendings to seize inner conductor 81 on both sides by the arms with the bending strength of insulating component 92 and metal shell 93.

During actual the use, coaxial cable 8 may be bent to any angle, even may be pullled.Yet, the U.S. the 6th, 790, No. 082 patent is to be come the inner conductor 81 of crimping coaxial cable 8 up and down with two conductors 911,912 in the splicing ear 91 by bending, so length travel that can only restricted internal conductor 81, be difficult to the lateral displacement of restricted internal conductor 81 and along the front and back displacement on arrow I or the opposite arrows I direction, it is unstable to make that the electrical connection of 81 of splicing ear 91 and inner conductors may take place in use, even the situation that inner conductor 81 breaks away from takes place.

[utility model content]

The purpose of this utility model is to be to provide a kind of electrical connection effect more good, and coaxial cable connector that can more effective location coaxial cable.

Locate the problem of the inner conductor of coaxial cable for crimping mode under solving more than the aforementioned existing splicing ear, the utility model provides a kind of coaxial cable connector, splicing ear changed into cannelure come the inner conductor of clamping coaxial cable to be connected with splicing ear, with the lateral displacement and the length travel of the inner conductor of effective restriction coaxial cable, and then reach the more firm effect of electrical connection.

Coaxial cable connector of the present utility model comprises: the insulating component of a splicing ear, ccontaining this splicing ear and coats the metal shell of this insulating component; This splicing ear has a junction, a upwardly extending fixed part of an end and the fastener by the downward extension of this junction by this junction, this fixed part contains a holddown groove that extends longitudinally to junction, be electrically connected with this junction with an inner conductor that is fit to clamping one coaxial cable, and this metal shell exposes the fastener of this splicing ear.

Described coaxial cable connector is characterized in that: the fixed part of this splicing ear contains two from this upwardly extending fixed block in junction interval, to form this holddown groove between described fixed block.

Described coaxial cable connector is characterized in that: this splicing ear also have one from this junction other end along one obliquely and the anticreep arm that extends in the face of the direction of this junction, the length of this anticreep arm is greater than the length of this junction.

Described coaxial cable connector is characterized in that: the fastener of this splicing ear is a pair of crooked tongue piece that extends downwards from the both sides of this junction.

Described coaxial cable connector; it is characterized in that: this insulating component has an insulating body and a cable protection portion for ccontaining this splicing ear; the base and one of fastener in it that this insulating body contains ccontaining this splicing ear is positioned on this base and the storage tank of the junction of ccontaining this splicing ear, and this cable protection portion is covered on this storage tank.

In sum, the fixed part that splicing ear changes with the holddown groove that is provided with longitudinal extension in the utility model coaxial cable connector comes the inner conductor of clamping coaxial cable to be connected with junction, with the vertical and lateral displacement of effective restricted internal conductor on junction, to reach more effective location coaxial cable effect better with being electrically connected effect.

[description of drawings]

Fig. 1 is the schematic diagram of the assembling process of the coaxial cable connector in the 6th, 790, No. 082 patent of the U.S.;

Fig. 2 is the schematic diagram after the coaxial cable connector of Fig. 1 is assembled;

Fig. 3 is an exploded view of the utility model coaxial cable connector preferred embodiment;

Fig. 4 is the upward view of insulating component among the embodiment of Fig. 3;

Fig. 5 is the schematic diagram of assembling process among the embodiment of Fig. 3, and splicing ear has been plugged in the insulating component and insulating component has been plugged in the metal shell this moment;

Fig. 6 is the cutaway view of Fig. 5;

Fig. 7 is the schematic diagram of assembling process of the embodiment of Fig. 3, and this moment, coaxial cable connects splicing ear;

Fig. 8 is the schematic diagram of assembling process of the embodiment of Fig. 3, and this moment, the kink of metal shell is bent;

Fig. 9 is the schematic diagram that the embodiment of Fig. 3 finishes assembling; And

Figure 10 is a cutaway view of another enforcement aspect of metal shell among Fig. 3 embodiment.

[embodiment]

Below in conjunction with drawings and Examples the utility model is elaborated:

As Fig. 3, the preferred embodiment of the utility model coaxial cable connector 1 comprises a splicing ear 2, an insulating component 3 and a metal shell 4.This coaxial cable electric connector 1 is in order to connect a coaxial cable 5, and this coaxial cable 5 has the insulator 52 of an inner conductor (internalconductor) 51, a coating inner conductor 51, the external conductor (external conductor) 53 and of a coated insulation body coats external conductor 53 and is the shell 54 of insulating material.

Splicing ear 2 has a junction 21, an anticreep arm 22, a fixed part 23 and a fastener 24 in order to the inner conductor 51 that connects coaxial cable 5.

Junction 21 is rectangle lamellar bodies and is electrically connected in order to form with inner conductor 51.Fixed part 23 be two mutual compartment of terrains from upwardly extending two fixed blocks 230 of the front end of junction 21, make 230 of two fixed blocks form a longitudinal fixed groove 231 and come clamping inner conductor 51.Be to extend upward behind the segment distance turnover symmetrically towards tilting to continue to extend upward with another person's opposed inside limit 2301 in two fixed blocks 230, make holddown groove 231 first halves be funnel-form and enter the Lower Half of holddown groove 231 with guiding inner conductor 51 and be electrically connected with junction 21 away from holddown groove 231 directions.Again, holddown groove 231 first half width are greater than the width of Lower Half, and the width of the first half width of Lower Half is not more than the external diameter of inner conductor 51 greater than the external diameter of inner conductor 51.

Anticreep arm 22 is to be tilted in the rear end of junction 21 and extension forward, makes anticreep arm 22 and junction 21 toward each other.The length of anticreep arm 22 is greater than the length of junction 21, cause anticreep arm 22 towards junction 21 near the time, the free end of anticreep arm 22 is resisted against on the fixed part 23 and does not contact (as Fig. 8) with junction 21.Surface in the face of junction 21 in the anticreep arm 22 more is arranged with the groove 221 that a free end from anticreep arm 22 extends to junction 21 in the position of corresponding holddown groove 231, makes anticreep arm 22 have the cross section of a median rise.Anticreep arm 22 is when finishing coaxial cable connector 1, and the below that inner conductor 51 is limited to groove 221 is electrically connected to prevent that it breaks away from.Fastener 24 is tongue pieces that extend downwards a pair of left and right sides from junction 21, and two tongue pieces more proportionately curve inwardly with the contact jaw (figure does not show) of fixing one socket in wherein.

With reference to Fig. 3 and Fig. 4, insulating component 3 has an insulating body 31 and a cable protection portion 32 in order to ccontaining splicing ear 2.Insulating body 31 has a cylindric base 311, and forms a rectangular channel that from top to bottom runs through 3111 in the base 311, for ccontaining fastener 24.Base 311 periphery wall ends more encircle establishes a groove.Base 311 upper surfaces more form the lateral sidewall 312 of a pair of outstanding base 311 periphery walls, and defining a storage tank 313 for the junction 21 of ccontaining splicing ear 2 jointly, and an end of storage tank 313 has more a stepped opening 314.Cable protection portion 32 is one in 312 of two lateral sidewalls and the strip lamellar body that extends vertically upward with respect to the other end of stepped opening 314 from storage tank 313.The width of cable protection portion 32 is less than the width of storage tank 313 and have elasticity and can be covered on the storage tank 313 by the application of force.

As Fig. 3, metal shell 4 has one and is sleeved on insulating body 31 metal body 41 and outward from metal body 41 upwardly extending kinks 42.Metal body 41 has a cylinder seat 411 that opening all arranged up and down, one opening 412 is arranged on the circle wall of cylinder seat 411 first halves, and extend a pair of clamping limb 413 forward in the both sides of opening 412, the end of two clamping limbs 413 is more transferred and is extended back, and provides the enough power that inserts and puts with the insulator 52 to coaxial cable 5.The internal diameter of cylinder seat 411 also is provided with a groove greater than the external diameter of base 311 and in the groove position of corresponding base 311, as Fig. 6, the housing of socket (figure does not show) allow 311 of cylinder seat 411 and bases have a gap, so that can firmly be placed in the gap of 311 of cylinder seat 411 and bases.

Again,, more offer the upwardly extending slit 414 in the lower surface by cylinder seat 411 of many spaces on the perisporium of cylinder seat 411 Lower Halves, make cylinder seat 411 when pegging graft, can be pegged graft smoothly by expansion with the bigger socket of external diameter as Fig. 3 and Fig. 4.For allowing insulating body 31 energy stable position in metal body 41; the outside wall surface of the lateral sidewall 312 of insulating body 31 more is arranged with one first draw-in groove 315 and the internal face correspondence position of cylinder seat 411 first halves more is convexly equipped with two first fixture blocks 415; and the internal face correspondence position that is arranged with upwardly extending second draw-in groove 321 in two mutual compartment of terrains and cylinder seat 411 first halves in the bottom of cable protection portion 32 more is convexly equipped with two second fixture blocks 416; and the thickness of first fixture block 415 is from top to bottom to increase gradually; and the thickness of second fixture block 416 is from top to bottom to successively decrease gradually; make when insulating component 3 is inserted in the metal body 41; the base 311 of insulating body 31 penetrates in the cylinder seat 411, utilizes fixture block 415 again; 416 with draw-in groove 315; 321 mutual interference fixes insulating body 31 in metal body 41.

The both sides of the kink 42 of metal shell 4 more from bottom to top are provided with a pair of first tongue piece 421, a pair of second tongue piece 422, a pair of the 3rd tongue piece 423 and a strip 420 in regular turn at interval, wherein, first tongue piece 421 is in order to be wound in clamping limb 413, second tongue piece 422 in order to be wound in external conductor 53 and the 3rd tongue piece 423 in order to twine on the shell 54.423 of second tongue piece 422 and the 3rd tongue pieces exist one at interval, when twining the shell 54 of coaxial cables 5 for the 3rd tongue piece 422, are extruded the shell 54 of distortion and the deflection (buckle) that produces can be in the stretching, extension of the interval of 423 of second tongue piece 422 and the 3rd tongue pieces.Kink 42 more is convexly equipped with a horizontal rectangular block 424 in the face of the surface of cable protection portion 32, with the structural strength that increases kink 42 with compress cable protection portion 32.For increasing the power that inserts and puts of 41 pairs of coaxial cables 5 of kink, second tongue piece 422, the 3rd tongue piece 423 and kink 42 more convex with a plurality of projections 425 in the face of the face of coaxial cable 5, to compress coaxial cable 5.

As Fig. 3, Fig. 5 and Fig. 6, during assembling, earlier splicing ear 2 is inserted in the insulating body 31 of insulating component 3, the junction 21 of splicing ear 2 is placed in respectively in the storage tank 313 and rectangular channel 3111 of insulating component 3 with fastener 24, and the holddown groove 231 of splicing ear 2 is aimed at the stepped opening 314 of insulating components 3 storage tanks 313.

Then, the insulating component 3 of assembling splicing ear 2 is inserted in the metal body 41 of metal shell 4, make the insulating body 31 of insulating component 3 be sheathed on coaxially in the metal body 41, and the stepped opening 314 of insulating component 3 storage tanks 313 is openings 412 of aiming at cylinder seat 411 first halves.This moment, utilize the mutual interference of 315,321 of the draw-in grooves of the fixture block 415,416 of metal shell 4 and insulating component 3 that insulating body 31 is fixed in the metal body 41.

Then, as Fig. 7, the terminal coaxial cable that exposes external conductor 53, insulator 52 and inner conductor 51 is in regular turn gone in the coaxial cable connector 1 for 5 groups, make inner conductor 51 be positioned to be connected with junction 21 adjoining positions and with junction 21 in the holddown groove 231, and insulator 52 more is held 413 clampings of arm.

Thereafter; the application of force is 41 bendings along arrow II direction towards metal body of the kink 42 of metal shell 4; as Fig. 8; rectangular blocks 424 in the kink 42 are subjected to bending power and the cable protection portion 32 that compresses insulating component 3 makes its bending to cover the anticreep arm 22 of splicing ear 2; this moment, first tongue piece 421 is positioned at and inserts and puts arm 414 external conductor 53 and the 3rd tongue pieces 423 outer, that second tongue piece 422 is positioned at coaxial cable 5 and be positioned on the shell 54 of coaxial cable 5.

At last, as Fig. 9, utilize instrument to make coaxial cable 5 42 move and utilize crimping (crimping) operation to bend first, second, third tongue piece 421,422,423 along arrow III towards kink, the shell 54 that makes first tongue piece 421 is wound on the clamping limb 413, second tongue piece 422 is wound in coaxial cable 5 external conductor 53 and the 3rd tongue piece 423 be wound in coaxial cable 5 then removes strip 420.So, can utilize tongue piece 421,422,423, projection 425 and clamping limb 413 to add the position relation of 1 of strong fix coaxial cable 5 and coaxial cable connector and prevent that effectively coaxial cable 5 from getting loose.

What pay special attention to is; as Fig. 9; when the anticreep arm 22 of splicing ear 2 with kink 42 with 32 compressings of cable protection portion during near junction 21; the free end of anticreep arm 22 can be resisted against on the fixed part 23 and relative at interval with junction 21; and, make inner conductor 51 not contact anticreep arm 22 because of the setting of the groove on the anticreep arm 22 221.So be different from previous crimping up and down, inner conductor 51 is to finish and being electrically connected of splicing ear 2 by holddown groove 231 clampings and with contacting of junction 21 in the present embodiment.So, by holddown groove 231 clamping inner conductors 51, but the not only length travel of restricted internal conductor 51, but the also lateral displacement of restricted internal conductor 51, with the location that reaches inner conductor 51 and be electrically connected better effect.By the setting of anticreep arm 22, cause improper use in the future and when causing inner conductor 51 to break away from the clamping of two holddown grooves 231, can utilize anticreep arm 22 to come restricted internal conductor 51 in holddown groove 231 again.

Again, the position of the kink 42 of metal shell 4 can be fitted demand and be adjusted, and as Figure 10, the kink 42 ' of metal shell 4 ' is to extend obliquely from metal body 41 ', make the angle between kink 42 ' and metal body 41 ' spend, be not limited to present embodiment and disclose less than 90.

According to preceding described, the splicing ear 2 of the utility model coaxial cable connector 1 is with the inner conductor 51 of the holddown groove 231 clamping coaxial cables 5 of fixed part 23, providing vertically and horizontal chucking power, and then can effectively keep the position of inner conductor 51 on splicing ear 2.Moreover, the mutual interfering edge that wall of holddown groove 231 (inner side edge 2301 that refers to two fixed blocks 230) and inner conductor are 51, also can increase the restraint of inner conductor 51 front and back displacements, more can utilize tongue piece 421,422,423, projection 425 and the clamping limb 413 of metal shell 4 to add the position relation of 1 of strong fix coaxial cable 5 and coaxial cable connector, prevent that effectively to reach coaxial cable 5 from getting loose and reduce the probability that connects bad generation.

Claims (11)

1, a kind of coaxial cable connector comprises: a splicing ear, in order to the insulating component of ccontaining this splicing ear and in order to coat the outer metal shell of this insulating component; It is characterized in that:

This splicing ear has a junction, a upwardly extending fixed part of an end and the fastener by the downward extension of this junction by this junction, this fixed part contains a holddown groove that extends longitudinally to junction, the inner conductor of this holddown groove clamping one coaxial cable is electrically connected with this junction, and this metal shell exposes the fastener of this splicing ear.

2, coaxial cable connector as claimed in claim 1 is characterized in that: the fixed part of this splicing ear contains two from this upwardly extending fixed block in junction interval, forms this holddown groove between described fixed block.

3, coaxial cable connector as claimed in claim 1 is characterized in that: this splicing ear also have one from this junction other end along one obliquely and the anticreep arm that extends in the face of the direction of this junction, the length of this anticreep arm is greater than the length of this junction.

4, coaxial cable connector as claimed in claim 3 is characterized in that: in the anticreep arm of this splicing ear one in the face of the surface of this junction in to should the holddown groove position also being provided with a groove that extends along the bearing of trend of this anticreep arm.

5, coaxial cable connector as claimed in claim 1 is characterized in that: the fastener of this splicing ear is a pair of crooked tongue piece that extends downwards from the both sides of this junction.

6, coaxial cable connector as claimed in claim 1; it is characterized in that: this insulating component has an insulating body and a cable protection portion for ccontaining this splicing ear; the base and one of fastener in it that this insulating body contains ccontaining this splicing ear is positioned on this base and the storage tank of the junction of ccontaining this splicing ear, and this cable protection portion is covered on this storage tank.

7, coaxial cable connector as claimed in claim 6 is characterized in that: also contain two upwardly extending lateral sidewalls at interval on the base of this insulating body, defining this storage tank jointly, and this cable protection portion is an end that connects this storage tank.

8, coaxial cable connector as claimed in claim 7; it is characterized in that: the base of this insulating body is a cylindric base, and this metal shell has one and is sleeved on the outer metal body of this insulating body and and connects this metal body and be covered in kink on this cable protection portion and this coaxial cable.

9, coaxial cable connector as claimed in claim 8 is characterized in that: the both sides of the kink of this metal shell are extended a pair of a pair of second tongue piece and a pair of the 3rd tongue piece that is wound in first tongue piece of metal shell and is wound in this coaxial cable respectively downwards.

10, coaxial cable connector as claimed in claim 8 is characterized in that: the kink of this metal shell also is convexly equipped with a block that compresses this cable protection portion in the face of the position of this cable protection portion.

11, coaxial cable connector as claimed in claim 9 is characterized in that: this kink also convexes with a plurality of projections that compress this coaxial cable.

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