CN201515089U

CN201515089U - Connector and limiting nut structure thereof

Info

Publication number: CN201515089U
Application number: CN2009203067597U
Authority: CN
Inventors: 周文富
Original assignee: China Aviation Optical Electrical Technology Co Ltd
Current assignee: China Aviation Optical Electrical Technology Co Ltd
Priority date: 2009-07-23
Filing date: 2009-07-23
Publication date: 2010-06-23
Anticipated expiration: 2019-07-23

Abstract

The utility model relates to a connector and a limiting nut structure thereof. The connector comprises a shell and a connecting nut. The front part of the connecting nut is installed on the shell. An axial limiting edge is arranged at the rear part of the connecting nut. The rear end surface of the axial limiting edge is matched with a shaft shoulder on the shell in a limiting way. The connecting nut can slide between the shaft shoulder on the shell and the limiting nut structure. A structure for the access of a tool for installing the limiting nut is arranged on the connecting nut. The limiting nut structure comprises a limiting nut and a set screw matched with the limiting nut. A threaded through hole for installing the set screw is arranged on the circumferential surface of the limiting nut. The front part of the connecting nut is installed on the shell of the connector and the limiting nut structure is used for limiting, so a novel installation method is provided.

Description

A kind of connector and limit screw cap structure thereof

Technical field

The utility model relates to a kind of connector and limit screw cap structure thereof.

Background technology

Generally, electric connector all can use the reliable grafting between coupling nut realization plug and the socket, generally, coupling nut all is to adopt rear-loading type on being installed in connector shell the time, coupling nut is realized front limit by the shaft shoulder on the housing, the rear end adopts limit screw cap spacing, but, when the rear end of connector shell is provided with larger-size structure, when coupling nut is not suitable for the back dress, just need to adopt muzzle-loading, at this moment, limit screw cap will be installed in the front end of coupling nut and realize that its front end is spacing, since limit screw cap generally all by the screw thread spinning on housing, so, limit screw cap is installed in coupling nut when inner, coupling nut will be interfered the motion of the erecting tools of limit screw cap, causes existing limit screw cap not use.

The utility model content

In order to solve coupling nut when pre-installed, the existing out of use problem of limit screw cap, the utility model provides a kind of connector and limit screw cap structure thereof.

For achieving the above object, the utility model adopts following technical scheme: a kind of connector, comprise that housing and rotation are assemblied in coupling nut on the housing, described coupling nut is pre-installed on housing, the coupling nut rear portion is provided with axial limiting retaining edge, the rear end face on axial limiting retaining edge cooperates with the shaft shoulder on the housing is spacing, and coupling nut can slide between the housing shaft shoulder and limit screw cap structure, and coupling nut is provided with the structure that the limit screw cap erecting tools enters.

The limit screw cap structure comprises limit screw cap and the holding screw that is used with limit screw cap, the side face of described limit screw cap is provided with the tapped through hole that holding screw is installed, housing be provided with the limit screw cap side face on the corresponding screwed hole of tapped through hole, limit screw cap is fixed on the housing by holding screw.

The end face of described limit screw cap one side is provided with dials spin slot.

The structure that described coupling nut upper limit nut erecting tools enters is one to be arranged on the through hole on the coupling nut side face.

Be provided with the ripple spring between the axial limiting retaining edge of described coupling nut and the limit screw cap.

Be provided with pad between described ripple spring and the limit screw cap.

Described connector shell afterbody one extension is provided with more than one wire clamp holder; Described connector also comprises by the locking connector and is fixed on more than one wire clamp on the wire clamp holder, described wire clamp has the segmental arc with the corresponding compression fit of cable outer peripheral face, and the segmental arc of wire clamp is radially drawn in locking by described locking connector and the time surrounds an annular with the corresponding compression fit of cable outer peripheral face.

Described wire clamp is plural arc wire clamp, the two ends of wire clamp segmental arc also are provided with the termination, the termination is provided with and wire clamp holder and being connected of locking connector cooperation uses the hole, described wire clamp holder is more than two, the wire clamp holder is uniformly distributed along the circumference, the wire clamp holder has the mating surface that cooperates with the wire clamp termination, and the wire clamp holder is provided with to connect uses the hole; Described locking connector is to be located in the wire clamp holder to connect with the wire clamp gathering being fixed on bolt part on the wire clamp holder in the hole.

The tail end one of described wire clamp holder is set with one and holds the ring bodies that cable passes, and has the space that wire clamp is installed between described ring bodies and the housing, and the through hole in the ring bodies is axially corresponding with the cable passage.

The pre-installed attaching nut's of a kind of connector limit screw cap structure, described limit screw cap structure comprises limit screw cap and the holding screw that is used with limit screw cap, the side face of described limit screw cap is provided with the tapped through hole that holding screw is installed.

Coupling nut of the present utility model is pre-installed on connector shell and adopt the limit screw cap structure spacing, and a kind of new mounting means is provided.

Limit screw cap structure of the present utility model is provided with the limit screw cap of the tapped through hole that holding screw is installed by side face and the holding screw that is used is with it formed, and a kind of new position limiting structure is provided.

In addition, the wire clamp of clamping cable of the present utility model be fixedly mounted on connector shell be on the wire clamp holder of one, thereby the cable clamping device has been integrated in the tail end of connector shell, this makes that the structure of connector is compact more, simple.

Further, because the utility model has adopted muzzleloading attaching nut, so the wire clamp structure that is wholely set at the connector shell afterbody can not impact attaching nut's installation.

Wire clamp of the present utility model is installed on the wire clamp holder by bolt, and bolt draws wire clamp in, and the arc-shaped surface of wire clamp just compresses cable, and bed knife is bigger, the cable difficult drop-off, and in addition, this mounting means is also comparatively simple.

Further, the tail end one of wire clamp holder of the present utility model is set with one and holds the ring bodies that cable passes, tail end and wire clamp holder that ring bodies is arranged on the wire clamp holder are one, the tail end of each wire clamp holder is connected into an integral body, increased the rigidity of holder, be that holder is not yielding, be difficult for being fractureed.In addition, have the wire clamp installing space between ring bodies and the connector shell, it is to place it in the installing space and can find its installation site easily, for installation brings convenience that wire clamp is installed.

Description of drawings

Fig. 1 is the cutaway view of the front view of connector;

Fig. 2 is the stereogram of limit screw cap structure;

Fig. 3 is a three-dimensional explosive view of the present utility model.

Embodiment

In Fig. 2, a kind of limit screw cap structure comprises limit screw cap 4 and holding screw 5, and the side face of limit screw cap 4 is provided with the tapped through hole that holding screw 5 is installed, and limit screw cap 4 one side end faces are provided with the spin slot of dialling of two rectangles.

In Fig. 1, Fig. 3, the limit screw cap 4 of electric connector and holding screw 5 are limit screw cap 4 and the holding screw 5 among above-mentioned Fig. 2.

Electric connector housing 8 has directly bigger ladder axial plane of the less rear end of point diameter diameter, is provided with cable passage in the electric connector housing 8, and cable 9 penetrates from the tail end of electric connector housing 8, and the front end of cable 9 links to each other with contact 12.Extend one on the end face of housing 8 tail ends and be symmetrically arranged with two wire clamp holders 10.Wire clamp holder 10 is a list structure, have four faces, wire clamp holder 10 is provided with connecting bolt and uses the hole, a face of wire clamp holder 10 is to extend consistent arcwall face with housing 8 inner peripheral surfaces, two faces vertical with arcwall face are the plane, the connecting bolt of wire clamp holder 10 is vertical with the plane of wire clamp holder 10 with the axis in hole, and another face of wire clamp holder 10 is relative with its arcwall face, and the connecting bolt with wire clamp holder 10 is with the corresponding shape in hole.The tail end of wire clamp holder 10 is provided with a ring bodies 11, through hole in the ring bodies 11 is axially corresponding with the cable passage of electric connector housing 8, cable 9 enters housing 8 by the tail end of ring bodies 11, in the space between ring bodies 11 and the connector shell 8 wire clamp 2 is installed, wire clamp 2 has the segmental arc with cable 9 outer peripheral face compression fit, the two ends of segmental arc are provided with the rectangle termination, the rectangle termination has and the mating surface that is matched by the plane of wire clamp holder 10, also be provided with on the rectangle termination with wire clamp holder 10 on connecting bolt with corresponding hole, hole.Wire clamp 2 is two, draws in by connecting bolt 1 to be fixed on the wire clamp holder 10.

The coupling nut 3 of electric connector is pre-installed on the less axial plane of electric connector housing 8 point diameters, coupling nut 3 can rotate relative to electric connector housing 8, coupling nut 3 rear portions are provided with the axial limiting retaining along 13, spacing cooperation of the shaft shoulder on the axial limiting retaining rear end face along 13 and the housing 8, the axial limiting retaining cooperates with the limit screw cap structure is spacing along 13 front end face, and coupling nut 3 can slide between housing 8 shaft shoulders and limit screw cap 4 structures.The limiting block of present embodiment also can be the circulus that is provided with radial slot along 13 for being arranged on the circulus at coupling nut 3 rear portions.

Limit screw cap 4 is a ring bodies, and inner peripheral surface matches with the less axial plane of housing 8 and diameter, and outer peripheral face is provided with three screwed holes that run through the installation holding screw 5 of inner and outer circumferential surfaces, is symmetrically arranged with two rectangles and dials spin slot on the end face of electric connector front.Housing 8 be provided with limit screw cap 4 on the corresponding screwed hole of screwed hole, limit screw cap 4 is fixedly mounted on the housing 8 by holding screw 5.The back of limit screw cap 4 is provided with pad 8, and the back of pad 8 is provided with ripple spring 7, and limit screw cap 4 is realized spacing to coupling nut 3 by pad 8 and ripple spring 7, and pad 8 and ripple spring 7 all are installed on the less axial plane of housing 8 point diameters.The side face of coupling nut 3 is provided with a through hole, enters for the screwdriver that holding screw 5 is installed.

During assembling, the ring bodies 11 of cable 9 from housing 8 tail ends inserted in the housing 8, the wire clamp 2 that uses is in pairs put into space between ring bodies 11 and the housing 8, by connecting bolt 1 wire clamp 2 is installed on the wire clamp holder 10 between ring bodies 11 and the housing 8, fastening nut, wire clamp 2 draws clamping cables 9 in, thereby cable 9 is fixed on the housing 8.Then, earlier that coupling nut 3 is pre-installed on housing 8, ripple spring 7 and pad 8 successively are installed then again, at last limit screw cap 4 is installed on the housing 8, by dialling spin slot rotary stopper nut 4, make the tapped through hole of the installation holding screw 5 on the limit screw cap 4 aim at the screwed hole on the housing 8, by the through hole on coupling nut 3 side faces holding screw 5 is put into the screwed hole of limit screw cap 4 then, enter the through hole of screwdriver on connecing nut 3 side faces and screw holding screw 5, after a screw installs, nut 3 is rotatably connected, make another of through-hole alignment limit screw cap 4 on it, another holding screw is installed, and limit screw cap 4 is fixedly mounted on the housing 8 the most at last.

When wire clamp holder 10 rigidity, the intensity of electric connector housing 8 tail ends are bigger, the possibility of occur destroying is less, does not need to add in addition under the situation of globality that ring bodies 11 improves wire clamp holder 10, and ring bodies 11 of the present utility model can save.

Wire clamp holder 10 of the present utility model also can be one, and corresponding wire clamp 2 is for having the annulus of a breach, and the indentation, there of annulus is provided with two parallel rectangle terminations, and the inner peripheral surface of annulus is corresponding with the outer peripheral face of cable 9.

The utility model also can be used for other communications cables such as terminating optical cables.

Claims

1. connector, comprise that housing and rotation are assemblied in coupling nut on the housing, it is characterized in that: described coupling nut is pre-installed on housing, the coupling nut rear portion is provided with axial limiting retaining edge, the rear end face on axial limiting retaining edge cooperates with the shaft shoulder on the housing is spacing, coupling nut can slide between the housing shaft shoulder and limit screw cap structure, and coupling nut is provided with the structure that the limit screw cap erecting tools enters.

2. connector according to claim 1, it is characterized in that: the limit screw cap structure comprises limit screw cap and the holding screw that is used with limit screw cap, the side face of described limit screw cap is provided with the tapped through hole that holding screw is installed, housing be provided with the limit screw cap side face on the corresponding screwed hole of tapped through hole, limit screw cap is fixed on the housing by holding screw.

3. connector according to claim 2 is characterized in that: the end face of described limit screw cap one side is provided with dials spin slot.

4. according to claim 1 or 2 or 3 described connectors, it is characterized in that: the structure that described coupling nut upper limit nut erecting tools enters is one to be arranged on the through hole on the coupling nut side face.

5. connector according to claim 4 is characterized in that: be provided with the ripple spring between the axial limiting retaining edge of described coupling nut and the limit screw cap.

6. connector according to claim 5 is characterized in that: be provided with pad between described ripple spring and the limit screw cap.

7. connector according to claim 6 is characterized in that: described connector shell afterbody one extension is provided with more than one wire clamp holder; Described connector also comprises by the locking connector and is fixed on more than one wire clamp on the wire clamp holder, described wire clamp has the segmental arc with the corresponding compression fit of cable outer peripheral face, and the segmental arc of wire clamp is radially drawn in locking by described locking connector and the time surrounds an annular with the corresponding compression fit of cable outer peripheral face.

8. connector according to claim 7, it is characterized in that: described wire clamp is plural arc wire clamp, the two ends of wire clamp segmental arc also are provided with the termination, the termination is provided with and wire clamp holder and being connected of locking connector cooperation uses the hole, described wire clamp holder is more than two, the wire clamp holder is uniformly distributed along the circumference, and the wire clamp holder has the mating surface that cooperates with the wire clamp termination, and the wire clamp holder is provided with to connect uses the hole; Described locking connector is to be located in the wire clamp holder to connect with the wire clamp gathering being fixed on bolt part on the wire clamp holder in the hole.

9. connector according to claim 8, it is characterized in that: the tail end one of described wire clamp holder is set with one and holds the ring bodies that cable passes, have the space that wire clamp is installed between described ring bodies and the housing, the through hole in the ring bodies is axially corresponding with the cable passage.

10. the pre-installed attaching nut of connector limit screw cap structure, it is characterized in that: described limit screw cap structure comprises limit screw cap and the holding screw that is used with limit screw cap, and the side face of described limit screw cap is provided with the tapped through hole that holding screw is installed.