CN2750522Y

CN2750522Y - Cable connector

Info

Publication number: CN2750522Y
Application number: CNU2004200809291U
Authority: CN
Inventors: 李汉国
Original assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2004-11-04
Filing date: 2004-11-04
Publication date: 2006-01-04
Anticipated expiration: 2014-11-04

Abstract

The utility model relates to a cable connector, which comprises a coaxial cable, a nut which is provided with a fixing end, a sleeve barrel of which both ends are open, inner terminals which are arranged in the sleeve barrel and are electrically connected with an inner core of the coaxial cable, wherein a braid conductor of the coaxial cable is electrically connected with the sleeve barrel; the sleeve barrel is provided with a lug boss which is contained in the nut, and the outer diameter of the lug boss is larger than the inner diameter of the nut fixing end, and is smaller than the inner diameter of the other end of the nut. A lug boss is arranged at one end of the sleeve barrel of the utility model, which causes the lug boss and a nut internal tooth to be interference fit, and causes the lug boss to be contained between the tail end of the internal tooth and the nut fixing end. The single fixing ring design in the prior art is substituted by the method. Needed components are few, the cost is low and the assembly is easy by the design.

Description

Wire and cable connector

[technical field]

The utility model is about a kind of wire and cable connector, relates in particular to a kind of coaxial cable connector that is used in the electronic equipment.

[background technology]

United States Patent (USP) announces the 4th, 613, has disclosed a kind of existing cable connector combination No. 199.See also the FIG.1 and the FIG.2 (this segment labeling is to quote the original label of this patent) of this patent, this cable connector combination 10 comprises coaxial cable 20, sleeve 34, is located at the inside and outside lasso 30,42 of sleeve 34 inside, inner terminal 32, coat inner terminal 32 dead ring 38 and insulation cylinder 36, be located at sleeve 34 nut outside 46, be located at fixing ring 48 and sealing ring 50 between nut 46 and the sleeve 34.Wherein coaxial cable 20 comprises inner core 22, inner insulating layer 26, braid conductor 24 and external insulation layer 28, and inner core 22 is housed in the afterbody host cavity 40 of inner terminal 32, electrically connects by inner terminal 32 and butt connector and is used for transmission signals.

Utilize fixing ring 48 and sealing ring 50 to make production cost increase and the assembling procedure complexity but make a fixing ring 48 separately so that cable connector combination 10 obtains the better seal effect.

[utility model content]

The purpose of this utility model is to provide the wire and cable connector that a kind of assembly is few, cost is low and easy to assembly.

For reaching above-mentioned purpose, the utility model cable connector combination comprises: the sleeve of coaxial cable, the nut that is provided with the fixing end, both ends open and be located in the nut inner terminal that the inner core with coaxial cable electrically connects.Wherein the braid conductor of coaxial cable and sleeve electrically connect, extend on the sleeve to be provided with the boss that is housed in the nut, and the boss external diameter greater than nut fixing end internal diameter less than the internal diameter of the nut other end.

Compared with prior art, the utility model is provided with boss at sleeve one end, and make and to be housed between internal tooth end and the nut fixing end with nut internal tooth interference fit and then with boss, by such manner replacing fixing ring design independent in the prior art, thereby required component is few, cost is low and easy to assembly.

[description of drawings]

Fig. 1 is the cutaway view after the assembling of the utility model wire and cable connector is finished.

Fig. 2 is the exploded view of analysing and observe of the utility model wire and cable connector.

[embodiment]

See also shown in Figure 1, the utility model wire and cable connector 1 comprise nut 2, both ends open sleeve 4, be clamped in sealing ring 3, dead ring 5 between nut 2 and the sleeve 4, the inner terminal 6, the end that are housed in dead ring 5 be housed in the coaxial cable 11 in the inner terminal 6, first, second packing ring 7,8 that is set in coaxial cable 11 outsides, annulus 9 and braking nut 10.Described nut 2, sealing ring 3, sleeve 4, dead ring 5, first, second packing ring 7,8, annulus 9 and braking nut 10 all are coaxial hollow cylinder structures.The above nut 2, sleeve 4, inner terminal 6, first, second packing ring 7,8 and braking nut 10 all are metal materials, be to make in the present embodiment by brass, dead ring 5 is plastic materials, be to make in the present embodiment, and sealing ring 3 and annulus 9 are to be made by silica gel by Teflon (Teflon).

Consult illustrated in figures 1 and 2ly, nut 2 one end inboards are provided with helical form internal tooth 22 and are used for and butt connector (not shown) engagement, and its other end is a fixing end 21, and is provided with accepting groove 20 between internal tooth 22 and the fixing end 21.Sleeve 4 both ends opens comprise the stop section 41 of stretching into matching part 40, the connecting portion 43 in the nut 2 and being connected matching part 40 and connecting portion 43.Described stop section 41 is provided with boss 42, and its external diameter is greater than the external diameter of matching part 40, connecting portion 43 and the internal diameter of fixing end 21.The external diameter of connecting portion 43 is less than fixing end 21 internal diameters.Described boss 42 is about the same in the width of accepting groove 20 with sealing ring 3 width sums.In assembling process, connecting portion 43 at first inserts from the butt end 23 of nut 2, and then boss 42 will directly produce interference fit with 22 ends of screw thread, and last boss 42 is housed in the described accepting groove 20.Sealing ring 3 also is to be housed in the accepting groove 20 of nut 2, and is nested with on the matching part 40 and between the internal tooth 22 of stop section 41 and nut 2.One lateral edges of described boss 42 supports the medial margin at fixing end 21 just.Because the external diameter of boss 42, can make like this that nut 2 and sleeve 4 can not be separated easily greater than the internal diameter of fixing end 21.

Connecting portion 43 inboards are ladder ring-types, comprise first cascade ring 430, second cascade ring 431, the 3rd cascade ring 432 and four-step ring 433 that internal diameter increases successively from left to right, be used for accommodating successively dead ring 5, first, second packing ring 7,8, annulus 9 and braking nut 10.Wherein the external diameter of dead ring 5 is identical substantially with first cascade ring, 430 internal diameters, first, second packing ring 7,8 external diameters are identical substantially with second, third cascade ring 431,432 internal diameters respectively, four-step ring 433 matches with braking nut 10, annulus 9 be interposed between braking nut 10 and second packing ring 8 and with the 3rd, the part of four-step ring 432,433 matches and its external diameter is identical with second packing ring, 8 external diameters cardinal principle.Inner terminal 6 is used for transmission signals, comprises the contact 60 and the afterbody 61 that are located in the matching part 40.Contact 60 is located at inner terminal 6 one ends, and afterbody 61 is located at the inner terminal 6 relative other ends and afterbody 61 is provided with host cavity 62.Coaxial cable 11 external diameters comprise inner core 110, inner insulating layer (not shown), braid conductor 111 and external insulation layer 112 less than connecting portion 43 interior diameters.Inner core 110 is housed in the host cavity 62 of inner terminal 6 and with inner terminal 6 and electrically connects.Dead ring 5 coats the afterbody 61 of inner terminal 6.First, second packing ring 7,8 coats coaxial cable 11 and is electrically connected with braid conductor 111.Dead ring 5 is clamped between the stop section 41 and first packing ring 7.Second packing ring 8, annulus 9 and braking nut 10 support successively thereafter.

Annulus 9 is clamped between second packing ring 8 and the braking nut 10.The external diameter of second packing ring 8 and annulus 9 equates and greater than the external diameter of first packing ring 7.Braking nut 10 comprises locking part 100 and operating portion 101.Operating portion 100 outsides are provided with external screw thread 103, other four-step ring 433 inboards are provided with the internal thread 434 that cooperates with external screw thread 103, and rotary manipulation portion 101 will brake in the connecting portion 43 that nut 10 pushes sleeve 4 by external force and make dead ring 5, first packing ring 7, second packing ring 8 and annulus 9 be clamped in supporting between wall 410 and locking part 100 front ends of stop section 41.

Claims

1. wire and cable connector, comprise: the sleeve of coaxial cable, the nut that is provided with the fixing end, both ends open and be located in the sleeve inner terminal that the inner core with coaxial cable electrically connects, the internal diameter of described fixing end is less than the internal diameter of the nut other end, the braid conductor of coaxial cable and sleeve electrically connect, it is characterized in that: extend on the sleeve and be provided with the boss that is housed in the nut, and the boss overall diameter greater than nut fixing end internal diameter less than the internal diameter of the nut other end.

2. wire and cable connector according to claim 1 is characterized in that: further be provided with the screw thread internal tooth in the described nut, form accepting groove between internal tooth and fixing end, aforementioned boss is housed in this accepting groove.

3. wire and cable connector according to claim 2 is characterized in that: described sleeve is to go into from the nut other end group relative with the fixing end, the internal tooth interference fit of described boss and nut and further by being stopped by the fixing end of nut behind the internal tooth.

4. wire and cable connector according to claim 3 is characterized in that: described wire and cable connector also comprises the sealing ring that is set on the sleeve, and the sealing circle is housed in the accepting groove and between boss and internal tooth.

5. wire and cable connector according to claim 4 is characterized in that: described sleeve comprises the matching part of stretching into nut, and described sealing ring is to be nested with on this matching part.

6. wire and cable connector according to claim 5 is characterized in that: described sleeve comprises the connecting portion that electrically connects with the braid conductor of coaxial cable, and this connecting portion external diameter is less than nut fixing end internal diameter.

7. wire and cable connector according to claim 6 is characterized in that: described inner terminal comprises the contact that is located in the matching part and is located at the interior afterbody of connecting portion, and afterbody is provided with the host cavity of accommodating inner core.

8. wire and cable connector according to claim 6, it is characterized in that: place, the contiguous matching part of the connecting portion of described sleeve is provided with the stop section, described boss is promptly formed by the part that this stop section exceeds connecting portion, and described sealing ring is to be resisted against on the surface of contiguous matching part of stop section.

9. wire and cable connector according to claim 8, it is characterized in that: the connecting portion inboard of described sleeve is formed with first cascade ring, described wire and cable connector also includes a dead ring, and the identical and one end of the internal diameter of the external diameter of described dead ring and first cascade ring supports on the stop section.

10. wire and cable connector according to claim 9, it is characterized in that: the connecting portion inboard of described sleeve also is formed with second cascade ring that internal diameter from left to right increases successively, the 3rd cascade ring and four-step ring, described wire and cable connector also includes first packing ring, second packing ring, the annulus and the outside are provided with externally threaded braking nut, the external diameter of described first packing ring identical with the second cascade ring internal diameter and with dead ring one end in contact, the external diameter of described second packing ring identical with the 3rd cascade ring internal diameter and with first packing ring, one end in contact, described annulus one end is identical with the 3rd cascade ring internal diameter with the contact of second packing ring and its external diameter, described four-step ring inboard is provided with the internal thread that cooperates with the external screw thread of braking nut, and the braking nut can cooperate with the rotation of four-step ring.