CN205231291U - Coaxial connector - Google Patents

Abstract

The utility model provides a coaxial connector, includes the metal casing, accommodates at internal insulator and the conductive terminal of metal -back, conductive terminal is including exposing the insulator external application in with the butt joint wiring portion that is connected of cable and expose insulator external application in the contact site that docks with butting connector, be formed with two pair at least portions of punctureing through punctureing and dock cable electrical contact in the wiring portion. Through designing two at least portions of punctureing to effective reduce insulated isolation layer that the portion of punctureing had only punctureed the cable and nevertheless do not have electrical contact to take place to the condition of heart yearn, guaranteed simultaneously that conductive terminal is stable with cable electrical contact and fixing, and the simple easily manufacturing of equipment processing procedure.

Description

Coaxial connector

Technical field

The utility model relates to a kind of coaxial connector.

Background technology

Current coaxial connector docks with a plate terminal adapter be installed on circuit board usually.Coaxial connector generally includes insulating body, the conducting terminal be fixed in insulating body, the cable that is retained on the shielding casing outside insulating body and is electrically connected with described conducting terminal.The development trend that current connectors is day by day miniaturized, due to the conducting terminal of existing coaxial connector and cable fixed form single, often there will be the heart yearn of the problem of fixing instability, particularly cable and the part of conductive terminal contacts.Concrete as Japanese Unexamined Patent Publication JP2013-93212 patent application the coaxial connector that discloses, on the conducting terminal of this coaxial connector, bending forms a punctured part, and punctured part is corresponding to be realized fixing and in electrical contact by puncturing with cable.This type of conducting terminal only designs a punctured part; when actual assembled cable; often there will be punctured part punctured the insulating barrier of cable but do not touched heart yearn; and the generation of the unfavorable condition such as between punctured part and cable fixing is firm not; thus cause product bad, therefore make this type of conducting terminal to the tolerance of punctured part structure become extremely strict.The and for example coaxial connector of Chinese utility model issued patents CN204289783U announcement, the conducting terminal of this coaxial connector is provided with simultaneously a punctured part and a pressure contact portion, conducting terminal realizes with cable in electrical contact and fixing by punctured part and pressure contact portion.Although this design solves fixing not firmly problem between conducting terminal and cable, but this conducting terminal and cable are assembled loaded down with trivial details, at least many step bending pressure contact portions crimp the processing procedure operation of fixing with cable, reduce production efficiency, add cost of manufacture.

Therefore, be necessary to provide a kind of coaxial connector of improvement to solve the problem.

Utility model content

In order to overcome above-mentioned defect, the utility model provides a kind of coaxial connector, and its conducting terminal and cable fixing are stablized, and processing procedure is simple, stable signal transmission and meet Miniaturization Design theory.

For achieving the above object, the utility model discloses a kind of coaxial connector, comprise metal shell, be housed in the insulating body in metal shell and conducting terminal, described conducting terminal includes and exposes outside insulating body for the wire connecting portion be connected with docking cable and the contact site exposed for docking with butt connector outside insulating body, described wire connecting portion is formed with at least two to by puncturing the punctured part in electrical contact with docking cable, described at least two pairs of punctured parts include and upwards bend the first punctured part extended to form and the second punctured part formed by described wire connecting portion medium position along wire connecting portion end.

As further improvement of the utility model, described insulating body comprises head, wire connecting portion and the neck for connecting wire connecting portion and head, runs through up and down and be formed with cross section semicircular in shape or fan-shaped columnar through holes in the middle of described head.

As further improvement of the utility model, ringwise, described contact site part protrudes out in through hole the contact site of described conducting terminal.

As further improvement of the utility model, described contact site disconnects and is formed with opening, makes described contact site part be cantilever-shaped protruding out in through hole.

As further improvement of the utility model, be formed with the otch for clamping cable in the middle of described every a pair punctured part, otch and the opening of described at least two pairs of punctured parts are located along the same line.

As further improvement of the utility model, described contact site narrows in the region of opening both sides, and then forms one and allow bit space.

As further improvement of the utility model, described conducting terminal also includes the fixed part connecting wire connecting portion and contact site, and described fixed part includes from contact site to the erection part of downward-extension and the horizontal part from erection part bending extension.

As further improvement of the utility model, described at least two pairs of punctured parts and contact site are all positioned at the same side of wire connecting portion place plane.

As further improvement of the utility model, described insulating body is injected and molded in around conducting terminal.

Compared with prior art, in the utility model, the conducting terminal of coaxial connector is by being designed with at least two punctured parts, thus effectively minimizing punctured part has only punctured the dielectric isolation layer of cable but has not had the situation to heart yearn in electrical contact to occur, ensure that conducting terminal and cable is in electrical contact and fixing stablize, and assemble processing procedure be simply easy to manufacture.

Accompanying drawing explanation

Fig. 1 is the stereogram after the utility model coaxial connector and cable are assembled.

Fig. 2 is the part isometric exploded view of the utility model coaxial connector, which show the stereogram that metal shell and cable are separated from insulating body.

Fig. 3 is the stereogram that Fig. 2 sees from another angle.

Fig. 4 is the three-dimensional exploded view of the utility model coaxial connector.

Fig. 5 is the vertical view after the insulating body of the utility model coaxial connector and conducting terminal combine.

Embodiment

Below with reference to accompanying drawing, the utility model is described in detail.

Please refer to shown in Fig. 1 to Fig. 5, the utility model coaxial connector 100 includes metal shell 10, be housed in insulating body 20 in metal shell 10 and conducting terminal 30, the utility model also discloses the cable 400 be electrically connected with coaxial connector 100 simultaneously.Wherein, described cable 400 ecto-entad is made up of insulation crust 401, screen 402, dielectric isolation layer 403 and heart yearn (sign) respectively.Screen 402 in described cable 400 is for contacting with metal shell 10, and heart yearn connects with conducting terminal 30.

Please refer to shown in Fig. 1 to Fig. 5, described insulating body 20 is injected and molded in around conducting terminal 30.Wherein, insulating body 20 comprises head 21 roughly cylindrically, for carrying the wire connecting portion 22 of cable 400 and the neck 23 for connecting wire connecting portion 22 and head 21.Run through up and down in the middle of described head 21 and be formed with cross section semicircular in shape or fan-shaped columnar through holes 210, described conducting terminal 30 extend to through hole 210 and be exposed to insulating body 20 outer for butt connector (not shown) Elastic Contact., respectively to protruding out some ears 211 for the clasp that matches with metal shell 10 outward, bow and see described ear 214 roughly in dovetail shaped in described head 21 periphery.The line ball portion 223 for line ball that described junction surface 22 includes rectangular-shaped supporting part 221, the limiting section 222 upwards extended to form by supporting part 221 both sides and extended to form in opposite directions by limiting section 222.

Please refer to shown in Fig. 1 to Fig. 5, conducting terminal 30 comprises and to be electrically connected with butt connector (not shown) and to be located at ring shaped contact portion 31 on the head 21 of insulating body 20, to be fixed on the fixed part 32 in insulating body 20 and to be electrically connected with cable 400 and to be positioned at the wire connecting portion 33 at junction surface 22.In the utility model, described contact site 31 structure ringwise, is easy to the location to conducting terminal 30 and sealing during injection mo(u)lding insulating body 20 like this.Described fixed part 32 one end is connected with contact site 31, and the other end is connected with wire connecting portion 33.Described contact site 31 disconnects away from the middle part of fixed part 32 one end and forms an opening 311(joins Fig. 4), contact site 31 narrows in the region of opening 311 both sides, and then forms one and allow bit space 312(join Fig. 4).When coordinating with butt connector, if when run-off the straight plugs the situation of conducting terminal 30, bit space 312 conducting terminal 30 can be prevented with butt connector excessive interference and produces distortion.Particularly when user by capture cable 400 upwards pull make described coaxial connector 100 depart from butt connector time, described in allow the setting of bit space 312 can prevent the contact site 31 of conducting terminal 30 to deform damage.Described fixed part 32 to comprise from contact site 31 to the erection part 321 of downward-extension and the horizontal part 322 that bends from erection part 321, is so beneficial to the fixing of conducting terminal 30 and insulating body 20.

Please refer to shown in Fig. 2 and Fig. 4, described wire connecting portion 33 is beneficial to contact with cable 400 in amplifying shape (namely wider) relative to horizontal part 322, wire connecting portion 33 end is provided with the middle otch 3310 be formed with for clamping cable 400 of the first punctured part 331, first punctured part 331 bending extension for a pair straight up.Also upwards be bent to form a pair second punctured parts 332 through punching press in the middle part of described wire connecting portion 33 and formed through hole 333 simultaneously, be formed with the otch 3320 for clamping cable 400 in the middle of second punctured part 332 equally, described second punctured part 332 shape is roughly identical with the first punctured part 331.The minimum widith of described otch 3310,3320 is all not more than the diameter of the heart yearn of described cable 400.Second punctured part 332 of the present utility model designs the medium position in wire connecting portion 33, makes the second punctured part 332 both sides all have support, thus ensures the structural strength of wire connecting portion 33, not yielding when making conducting terminal 30 and insulating body 20 one-body molded.Opening 311 on the otch 3310,3320 of described two pairs of punctured parts 331,332 and contact site 31 is located along the same line, and is so easy to assemble cable 400, ensures the stability of coaxial connector entirety simultaneously.

In the utility model, conducting terminal 30 is provided with at least two by puncturing the punctured part 331,332 in electrical contact with the heart yearn of cable 400 simultaneously, effectively can reduce punctured part 331,332 puncture the dielectric isolation layer 403 of cable 400 but do not have the situation to heart yearn in electrical contact to occur, ensure that conducting terminal 30 and cable 400 are in electrical contact and fixing stable, assemble processing procedure simultaneously and be simply easy to manufacture.In addition two pairs of punctured parts 331,332 and contact site 31 are all positioned at the same side of wire connecting portion 33 place plane, are so easy to the flattening of coaxial connector 100 entirety.

Please refer to shown in Fig. 1 to Fig. 5, when conducting terminal 30 is injected and molded in after in insulating body 20, the contact site 31 of conducting terminal 30 upwards stretches out from the upper surface of head 21 at least partly.The part contact portion 31 that conducting terminal 30 is positioned at opening 311 place protrudes out to through hole 210 in cantilever-shaped, and in through hole 210 diametrically elastically deformable.The setting of described through hole 210 is used for providing contact site 31 strain space, is beneficial to sealing during injection mo(u)lding insulating body 20 simultaneously, the location to conducting terminal 30 when being also beneficial to injection mo(u)lding insulating body 20.Described wire connecting portion 33 is fixed in supporting part 221, and the first punctured part 331 and the second punctured part 332 protrude out supporting part 221 surface for puncturing cable 400.

Please refer to shown in Fig. 1 to Fig. 4, metal shell 10 comprises metal body 11 and is set in the ring part 12 of head 21 periphery of insulating body 20.Described ring part 12 is formed with the corresponding breach 115 engaged with ear 211.Described metal body 11 includes plate-like main body 110 and upwards extends along main part 110 both sides and the first envelope curve portion of inclusion portion of inclusion portion 111, second 112, first 113 and the second envelope curve portion 114 of longitudinal arrangement.First inclusion portion 111 is in order to coated ring part 12 both sides.Coordinate with line ball portion 223 and make the punctured part 331,332 of conducting terminal 30 puncture cable 400 to realize being electrically connected with heart yearn outside the limiting section 222 that second inclusion portion 112 is posted by insulating body 20.Second inclusion portion 112 comprises the sidewall 1121 that upwards extended by the both sides of main part 110 and is extended further and bent cap 1122 by sidewall 1121.Described cap 1122 bending covers in line ball portion 223, for increasing envelope curve intensity.

Above-mentioned first envelope curve portion 113 clamps the screen 402 of cable 400, for being connected to realize function of shielding with metal shell 10 by the screen 402 of cable 400, strengthens the retain strength of cable 400 and coaxial connector 100 simultaneously.Second envelope curve portion 114 is used for coordinating the insulation crust 401 tightening fixed cable 400.

Be to be understood that, although this specification is described according to execution mode, but not each execution mode only comprises an independently technical scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should by specification integrally, technical scheme in each execution mode also through appropriately combined, can form other execution modes that it will be appreciated by those skilled in the art that.

Claims (9)

1. a coaxial connector, it comprises metal shell, be housed in the insulating body in metal shell and conducting terminal, it is characterized in that: described conducting terminal includes and exposes outside insulating body for the wire connecting portion be connected with docking cable and the contact site exposed for docking with butt connector outside insulating body, described wire connecting portion is formed with at least two to by puncturing the punctured part in electrical contact with docking cable, described at least two pairs of punctured parts include and upwards bend the first punctured part extended to form and the second punctured part formed by described wire connecting portion medium position along wire connecting portion end.

2. coaxial connector as claimed in claim 1, is characterized in that: described insulating body comprises head, wire connecting portion and the neck for connecting wire connecting portion and head, runs through up and down and be formed with cross section semicircular in shape or fan-shaped columnar through holes in the middle of described head.

3. coaxial connector as claimed in claim 2, is characterized in that: ringwise, described contact site part protrudes out in through hole the contact site of described conducting terminal.

4. coaxial connector as claimed in claim 3, is characterized in that: described contact site disconnects and is formed with opening, makes described contact site part be cantilever-shaped protruding out in through hole.

5. coaxial connector as claimed in claim 4, is characterized in that: be formed with the otch for clamping cable in the middle of described every a pair punctured part, otch and the opening of described at least two pairs of punctured parts are located along the same line.

6. coaxial connector as claimed in claim 4, is characterized in that: described contact site narrows in the region of opening both sides, and then forms one and allow bit space.

7. as the coaxial connector in claim 1 to 6 as described in any one, it is characterized in that: described conducting terminal also includes the fixed part connecting wire connecting portion and contact site, described fixed part includes from contact site to the erection part of downward-extension and the horizontal part from erection part bending extension.

8. as the coaxial connector in claim 1 to 6 as described in any one, it is characterized in that: described at least two pairs of punctured parts and contact site are all positioned at the same side of wire connecting portion place plane.

9. as the coaxial connector in claim 1 to 6 as described in any one, it is characterized in that: described insulating body is injected and molded in around conducting terminal.