CN2705925Y

CN2705925Y - Rotary connection base

Info

Publication number: CN2705925Y
Application number: CN 200420050157
Authority: CN
Inventors: 许丽辉
Original assignee: DONGGUAN YIHUA WIRE CABLE Co Ltd
Current assignee: DONGGUAN YIHUA WIRE CABLE Co Ltd
Priority date: 2004-04-21
Filing date: 2004-04-21
Publication date: 2005-06-22
Anticipated expiration: 2014-04-21

Abstract

The utility model discloses a rotary connection base, comprising a rotating seat, a rotating body which is capable of being arranged in the rotating seat in rotating mode, a fixing seat which is arranged at the back end edge of the rotating body, a PCB plate which is fixed on the back end edge of the rotating body, a plurality of terminals and springs which are arranged in the rotating body. Wherein, a slot for being inserted with a circumscribed body is arranged at the front end of the rotating body. The fixing seat is provided with a plurality of through holes. The surface of one side of the PCB plate is provided with a plurality of conducting layers of concentric circle shape, the other side surface is provided with a plurality of welding points which are electrically connected with the corresponding conducting layers, in this way, for welded fastening each connector lug of signal lines. The front end of the terminals are exposed from the slot and are capable of electrically contacted with the terminals corresponding to the circumscribed body. These springs are arranged in the through hole of the fixing seat in elastic compress mode, one end is butted and pressed with the terminals, and the other end is tightly butted on the conducting layers corresponding to the PCB plate.

Description

The rotation junction block

Technical field

The utility model relates to a kind of cable connecting device, is meant a kind of junction block of simple in structure, rotatable connection especially.

Background technology

Universal day by day along with communication, network, cable connects transmission signals and is playing the part of very important role.Usually, all can be connected with a junction block in advance, connect for various external equipments, as telephone set, computer etc. at the end of cable.The structure of existing junction block generally all is to adopt afterbody line ball retaining mode to fix, thereby can't produce spinning movement, but when external other equipment, often, align this plug and need to rotate this junction block because the plug of this equipment can't fit like a glove with position, the angle of this junction block.Like this, can cause the line body distortion, beat and tear open or phenomenon such as winding, and use in, the phenomenon of distortion also can appear twining in cable.Like this, the cable that then seems is comparatively disorderly, and the serious switching performance that also can influence junction block makes that the signal transmission is not smooth.

For solving this difficult problem, industry has also designed a kind of rotatable junction block, promptly provides a kind of rotary type connector as Chinese patent ZL99214768.9 number, but this junction block is to produce spinning movement by substitute mode, but in this mode, element is more, structure is too complicated, and very inconvenience makes production cost too high in the assembling, and, its build is also bigger, and inconvenience is arranged during use more, uses not extensive.

As from the foregoing, above-mentioned existing joint on reality is used, obviously exists inconvenience and defective, and remains to be improved.

Summary of the invention

Main purpose of the present utility model is to provide a kind of rotation junction block, and it is simple in structure, and can be rotatably connected and effectively avoid cable distortion, beat and tear open or twine and guarantee the rotation junction block of the good connection of joint.

To achieve these goals, the utility model provides a kind of rotation junction block, be used for connecting holding wire and outer junctor, it is characterized in that: it comprises that the rotating seat, of a hollow cylindrical rotatably is contained in pcb board, several terminals that are contained in this a rotating body and some springs that holder, that the interior rotary body, of this rotating seat is contained in this rotary body end edge place is fastened in this rotating seat end edge place.Wherein, the front end of this rotary body is provided with a slot for outer junctor insertion; This holder is provided with several through holes; It is the conductive layer of the concentric ring-shaped in the center of circle that one side surface of this pcb board is provided with several central shafts with pcb board, and the another side be provided with several respectively with the pad of the corresponding electric connection of these conductive layers, fixing for each connector lug welding of holding wire; The front end of these terminals exposes from slot and terminal that can be corresponding with outer junctor electrically contacts; These springs be elastic compression be contained in the through hole of holder, the one end compresses mutually with the rear end of this terminal, the other end is tight against on this pcb board on the corresponding conductive layer.

Owing to adopted above-mentioned rotation junction block of the present utility model, twine or during twisted phenomena, only need the rotation rotary body when cable has, can effectively avoid the cable distortion, beat and tear open or the generation of phenomenon such as winding, thereby guaranteed the good connection of joint, guaranteed signal transmission quality.

Description of drawings

For further setting forth the utility model is technological means and the effect that the predetermined purpose of realization is taked, see also following about detailed description of the present utility model and accompanying drawing, believe the purpose of this utility model, feature and characteristics, should obtain thus going deep into and concrete understanding, yet accompanying drawing only provides reference and explanation usefulness, is not to be used for the utility model is limited.

Fig. 1 is the three-dimensional exploded view of rotation junction block of the present utility model;

Fig. 2 is the plan view of another side of the pcb board of rotation junction block of the present utility model;

Fig. 3 is the three-dimensional combination figure of rotation junction block of the present utility model;

Fig. 4 is a rotation junction block of the present utility model three-dimensional combination figure when pegging graft an outer junctor;

Fig. 5 is the cut-away view along the A-A face among Fig. 4.

Embodiment

See also Fig. 1, be depicted as the three-dimensional exploded view of rotation junction block of the present utility model.Rotation junction block of the present utility model is used for connecting holding wire 7 and outer junctor 9, and it comprises a rotating seat 10, a rotary body 20, a holder 30, a pcb board 40, plurality of terminals 50 and some springs 60.

Wherein, this rotating seat 10 be one by two semicylinders 11,12 mutually butt joint fasten a hollow circular cylinder that forms, its inner surface middle part is provided with an annular groove 14 in front end place partially, and the end edge place also is provided with the draw-in groove 16 that is divided into plurality of sections.The interface place of each semicylinder 11,12 all is designed to coadapted step-like, and is provided with the buckle (scheming not shown) that cooperatively interacts in the vertical plane of the step of each semicylinder 11,12.In addition, be provided with several reference columns 18 in the horizontal plane of semicylinder 12 steps therein, and the corresponding position of second half cylinder 11 is provided with location hole (scheming not shown).

This rotary body 20 is one to be contained in the hollow circular cylinder in this rotating seat 10, its outer wall middle part is provided with an annular protruding rib 24 that can be placed in this chute 14, the front end of this rotary body 20 is provided with a slot 26 for outer junctor 9 insertions, be provided with several parallel guide grooves (scheming not shown) in this slot 26, and the end edge place of this rotary body 20 is provided with several breach 28.

This holder 30 is thin disk bodies, which is provided with several through holes that vertically runs through this disk body 32, and convexes with several projections 34 on its periphery, can holder 30 be fixed on this rotary body 20 with the breach 28 corresponding engagings of these rotary body 20 end edges.

This pcb board 40 also is a thin disk body, and its periphery is provided with several grooves 42 and the periphery of pcb board is divided into plurality of sections, and each section can corresponding be placed in one section draw-in groove 16 at these rotating seat 10 end edge places.The conductive layer 44 that it is the concentric ring-shaped in the center of circle that one side surface of this pcb board 40 is provided with some central shafts with pcb board 40, and the another side be provided with some respectively with the pad 46 of these conductive layer 44 corresponding electric connections, for each connector lug welding fixing (as shown in Figure 2) of holding wire 7.

These terminals 50 are contained in the guide groove in the slot 26 of these rotary body 20 front ends, and its front end exposes from guide groove and can electrically not contact with outer junctor 9 corresponding terminals (figure indicates).

These springs 60 be elastic compression be contained in the through hole 32 of holder 30, the one end compresses mutually with this terminal 50, the other end is tight against on corresponding conductive layer 44 on this pcb board 40.This spring 60 is to be made by the material with satisfactory electrical conductivity, can be common helical spring, also can be sheet spring, wire spring etc.In the present embodiment, what select for use is common helical spring, and at this moment, the rear end of each terminal 50 also can protrude out a projection 52 in the through hole 32 that can be placed in these holder 30 correspondences backward.Spring 60 can be enclosed within on this projection 52, to locate this spring 60 better.

See also Fig. 3 to Fig. 5.During assembling, the first step is contained in terminal 50 in the guide groove of rotary body 20; In second step, the projection on the holder 30 34 is fixed in holder 30 on this rotary body 20 with the breach 28 corresponding engagings of these rotary body 20 end edges, and makes the projection 52 of terminal 50 rear ends be placed in the through hole 32 of this holder 30; The 3rd step had the rotary body 20 of terminal 50 and holder 30 to place in the semicylinder 12 of rotating seat 10 this dress group, and the fin 24 on rotary body 20 outer walls is placed in the chute 14 of this semicylinder 12; In the 4th step, spring 60 is set on the projection 52 of terminal 50 of the through hole 32 that is positioned at this holder 30; In the 5th step, the pcb board 40 that a side correspondence is welded with holding wire places the rear end of the semicylinder 12 of this rotating seat 10, and the periphery correspondence that makes pcb board 40 be divided into plurality of sections is placed in the draw-in groove 16 at end edge place of this semicylinder 12; In the 6th step, second half cylinder 11 and the semicylinder 12 corresponding engagings of rotating seat 10 are promptly finished the assembling (as shown in Figure 3) of rotation junction block.

As shown in Figure 4, outer junctor 9 can insert in the slot 26 of these rotary body 20 1 ends.When inserting,, the slot 26 of outer junctor 9 and rotation junction block slot and outer junctor 9 can be aligned and convenient the insertion if, can rotating this rotary body 20 not to timing.In use, the cable of outer junctor rear end also may twist or twine, and at this moment, this rotary body 20 is under the back twist power effect of cable self or rotate under manual mode, and avoids the distortion or the winding of cable.

Preferred possible implementation of the present utility model, be not to be used for limiting scope of the present utility model, the equivalent structure that every those of ordinary skill in the art uses the utility model specification and accompanying drawing content to be carried out changes, and all should be contained in the interest field of the present utility model.

Claims

1, a kind of rotation junction block, be used for connecting holding wire and outer junctor, it is characterized in that: it comprises that the rotating seat, of a hollow cylindrical rotatably is contained in pcb board, several terminals that are contained in this a rotating body and some springs that holder, that rotary body, in this rotating seat is contained in this rotary body end edge place is fastened in this rotating seat end edge place, wherein, the front end of this rotary body is provided with a slot for outer junctor insertion; This holder is provided with several through holes; It is the conductive layer of the concentric ring-shaped in the center of circle that one side surface of this pcb board is provided with several central shafts with pcb board, and the another side be provided with several respectively with the pad of the corresponding electric connection of these conductive layers, fixing for each connector lug welding of holding wire; The front end of these terminals exposes from slot and terminal that can be corresponding with outer junctor electrically contacts; These springs be elastic compression be contained in the through hole of holder, the one end compresses mutually with the rear end of this terminal, the other end is tight against on this pcb board on the corresponding conductive layer.

2, rotation junction block as claimed in claim 1 is characterized in that: the deflection front end place, inner surface middle part of this rotating seat is provided with an annular groove; And the middle part of this rotary body is provided with an annular protruding rib that is placed in this annular groove and can trackslips within it.

3, rotation junction block as claimed in claim 1, it is characterized in that: the end edge place of this rotating seat also is provided with the draw-in groove that is divided into plurality of sections, and the periphery of this pcb board is provided with several grooves and the periphery of pcb board is divided into plurality of sections, and each section periphery can corresponding be placed in one section draw-in groove at this rotating seat end edge place.

4, rotation junction block as claimed in claim 1 is characterized in that: the end edge place of this rotary body is provided with several breach, and convex with on the periphery of this holder several can be corresponding with this breach engaging and holder is fixed in projection on this rotary body.

5, rotation junction block as claimed in claim 1, it is characterized in that: this spring is a helical spring.

6, rotation junction block as claimed in claim 5 is characterized in that: the rear end of each terminal also protrudes out a projection that is placed in the through hole of this holder correspondence backward, and this helical spring is enclosed within on this projection.

7, rotation junction block as claimed in claim 1 is characterized in that: this rotating seat is the hollow circular cylinder that is formed by two semicylinder butt joint engagings.

8, rotation junction block as claimed in claim 7 is characterized in that: the interface of this two half-cylinders is coadapted step-like, is provided with the buckle that cooperatively interacts in the vertical plane of this step.

9, rotation junction block as claimed in claim 8 is characterized in that: wherein be provided with several reference columns in the horizontal plane of the step of a semicylinder, and be provided with corresponding positioning hole with it in the step horizontal plane of another piece semicylinder.