CN210430375U - Conducting ring assembly for rotary connector - Google Patents

Abstract

The utility model discloses a conducting ring subassembly for swivelling joint ware has solved among the prior art conducting ring subassembly production efficiency low and the frequent winding condition of wire that takes place in work engineering. The utility model discloses a conducting ring subassembly includes central axis body, a plurality of conducting ring, a plurality of insulating pad piece, first wire and axis body lid. The utility model discloses a conducting ring subassembly's structure is fixed through key position complex mode, has left out the production manufacture process of conducting ring subassembly mould, improves the production efficiency of conducting ring subassembly to can prevent that rotary connector from producing the wire-wound condition in the course of the work.

Description

Conducting ring assembly for rotary connector

Technical Field

The utility model belongs to the technical field of swivelling joint ware, a conducting ring subassembly for swivelling joint ware is provided very much. The method is suitable for the military industry fields of helicopters, tanks, radars and the like.

Background

With the continuous development of electronic technology, devices in various industries, particularly military industry, are increasingly used for low-frequency connectors, so that the requirements for the use of the low-frequency connectors are also higher and higher. The low frequency connector that uses at present all is fixed direction intercommunication and multi-thread structure, can't satisfy at all in the switching process because the structure of special equipment need carry out the incessant requirement of electric switching transmission through rotatory position, and inside center conducting ring subassembly utilizes the mode of inlaying the moulding-compression to produce through the preparation mould, and the preparation time overlength to influence production efficiency, take place the wire winding condition in work engineering in addition often.

SUMMERY OF THE UTILITY MODEL

In order to solve the above technical problem, the present invention provides a conductive ring assembly for a rotary connector. The structure of the conducting ring assembly omits the production and manufacturing process of a conducting ring assembly die, improves the production efficiency of the conducting ring assembly and can prevent the winding condition in the working process.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a conducting ring assembly for a rotary connector comprises a central shaft body, a plurality of conducting rings, a plurality of insulating gaskets, a first conducting wire and a shaft body cover, wherein the central shaft body is in a hollow cylinder shape, the periphery of the lower end of the hollow cylinder is sleeved with the conducting rings and the insulating gaskets, the conducting rings and the insulating gaskets are arranged at intervals layer by layer, each conducting ring is electrically connected with the first conducting wire, a wiring groove for the first conducting wire to penetrate is formed in the central shaft body, the first conducting wire penetrates into the central shaft body from the wiring groove and extends out of an upper end outlet of the central shaft body, the shaft body cover is installed at the bottom end of the central shaft body, and the insulating gaskets and the conducting rings are fixed; the insulating gasket comprises a first annular body, a first annular boss and a second annular boss are formed in the center of the first annular body and extend inwards and outwards along the first annular body respectively, 4 first key grooves are evenly distributed in the circumferential direction of the first annular boss, 2 second key grooves are formed in the second annular boss, and the positions of the 2 second key grooves and the positions of the 4 first key grooves are distributed in a staggered mode; when the central shaft body is placed, the directions of all the insulating gaskets are kept consistent, and the second circular boss with the second key groove is placed towards one side of the central shaft body with the shaft body cover; after the adjacent 2 insulating spacers are stacked, the upper end surfaces of the first annular body of one insulating spacer and the second annular body of the other insulating spacer are correspondingly contacted, and a first key groove is ensured to be corresponding to a second key groove in position to form an accommodating cavity, and the accommodating cavities of all layers are arranged in a staggered manner;

furthermore, the conducting ring comprises a second annular body, and one side of the inner peripheral wall of the second annular body is provided with a convex part which protrudes inwards;

the conducting ring is arranged between the insulating gaskets on 2 adjacent layers, the second ring body is sleeved on the peripheries of the first annular boss and the second annular boss on 2 adjacent layers, the root of the protruding part is arranged in the accommodating cavity formed by the first key groove and the second key groove, and the front end of the protruding part extends out of the accommodating cavity;

further, the internal diameter of first ring body and the external diameter phase-match of central axis body, the internal diameter of second ring body and the external diameter phase-match of the ring form boss of first ring and the ring form boss of second.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses utilize between conducting ring and the insulating pad to fix through key position complex mode, add an axis body lid at the axis body top at last and utilize set screw to fix, practiced thrift the cost, save original mould production step, save time, improved production efficiency, can also realize the convenient installation of connector when not influencing the connector rotation to can prevent the wire winding condition of swivelling joint ware at rotatory in-process.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural diagram of a first torus body of the insulating spacer;

FIG. 3 is a schematic view of a second ring body of the insulating spacer;

FIG. 4 is a schematic diagram of a conductive ring;

FIG. 5 is a schematic view of an installation structure of the conductive ring and the insulating spacer;

fig. 6 is a schematic structural view of a low-frequency rotary connector to which the present invention is applied;

FIG. 7 is a schematic perspective view of FIG. 6;

FIG. 8 is a perspective view of FIG. 7 from another perspective;

FIG. 9 is a schematic diagram of the center contact assembly of the low frequency rotary connector;

FIG. 10 is a schematic structural view of a brush assembly;

in the figure: 1-an outer shell; 2-a rotor; 3-an upper inner housing; 3-1-a second annular groove; 4-a lower inner housing; 4-1-via; 4-2-a first annular groove; 5-a conducting ring assembly; 5-1-central shaft body; 5-1-1-wiring groove; 5-2-conducting ring; 5-3-insulating spacers; 5-3-1-a first torus body; 5-3-2-a first circular boss; 5-3-3-a second circular boss; 5-3-2-1-a first keyway; 5-3-3-1-second keyway; 5-4-a first wire; 5-5-shaft body cover; 6-a bearing; 7-a brush assembly; 7-1-brush holder; 7-2-brush bundle mounting holes; 7-3-brush bundle; 7-4-a second wire; 8-fixing a gasket; 9-a first O-ring seal; 10-a second O-ring seal; 11-set screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the conducting ring assembly for the rotary connector, the conducting ring assembly 5 includes a central shaft body 5-1, a plurality of conducting rings 5-2, a plurality of insulating spacers 5-3, a first lead 5-4 and a shaft body cover 5-5, the central shaft body 5-1 is in a hollow cylinder shape, the periphery of the lower end of the hollow cylinder is sleeved with the plurality of conducting rings 5-2 and the plurality of insulating spacers 5-3, the plurality of conducting rings 5-2 and the plurality of insulating spacers 5-3 are spaced layer by layer, each conducting ring 5-2 is electrically connected with the first lead 5-4, a wiring groove 5-1-1 (refer to fig. 6) for the first lead 5-4 to penetrate is arranged on the central shaft body 5-1, the first lead 5-4 penetrates into the central shaft body 5-1 from the wiring groove 5-1-1 and extends from an upper end outlet of the central shaft body 5-1 And a shaft body cover 5-5 is arranged at the bottom end of the central shaft body 5-1, and the insulating gasket 5-3 and the conducting ring 5-2 are fixed.

Referring to fig. 2-3, the dielectric washer 5-3 includes a first torus body 5-3-1, a first circular ring boss 5-3-2 and a second circular ring boss 5-3-3 are respectively formed by extending the center of the first circular ring body 5-3-1 along the inward and outward sides of the first circular ring body 5-3-1, 4 first key grooves 5-3-2-1 are evenly distributed in the circumferential direction of the first circular ring-shaped boss 5-3-2, 2 second key grooves 5-3-3-1 are arranged on the second circular boss 5-3-3, the positions of the 2 second key slots 5-3-3-1 and the positions of the 4 first key slots 5-3-2-1 are distributed in a staggered manner; when the central shaft body is placed, the directions of all the insulating gaskets 5-3 are kept consistent, and the second circular boss 5-3-3 with the second key groove 5-3-1 is placed towards one side, provided with the shaft body cover 5-5, of the central shaft body 5-1; after 2 adjacent insulating gaskets 5-3 are stacked, the upper end faces of the first annular body 5-3-1 of one insulating gasket and the second annular body 5-3-2 of the other insulating gasket are correspondingly contacted, and a first key groove 5-3-2-1 and a second key groove 5-3-3-1 are ensured to be corresponding in position to form an accommodating cavity, wherein the accommodating cavities of all layers are arranged in a staggered manner;

referring to fig. 4, the conductive ring 5-2 includes a second torus body 5-2-1, and a protrusion 5-2-2 protruding inward is disposed on one side of an inner circumferential wall of the second torus body 5-2-1;

referring to fig. 5, the conducting ring 5-2 is arranged between 2 adjacent layers of insulating gaskets 5-3, the second annular body 5-2-1 is sleeved on the peripheries of the 2 adjacent layers of the first annular boss 5-3-2 and the second annular boss 5-3-3, the root of the protruding part is arranged in a containing cavity formed by the first key groove 5-3-2-1 and the second key groove 5-3-3-1, and the front end of the protruding part extends out of the containing cavity;

the inner diameter of the first annular body 5-3-1 is matched with the outer diameter of the central shaft body 5-1, and the inner diameter of the second annular body 5-2-1 is matched with the outer diameters of the first annular boss 5-3-2 and the second annular boss 5-3-3.

The low-frequency rotary connector made of the conducting ring component of the utility model comprises an outer shell 1, a center contact component and a rotor 2, wherein the center contact component is arranged in the outer shell 1, and referring to fig. 9, the center contact component comprises an upper inner shell 3, a lower inner shell 4, a conducting ring component 5, a bearing 6 and an electric brush component 7;

the upper end and the lower end of the conducting ring component 5 are respectively sleeved with a bearing 6, the periphery of the bearing 6 is respectively provided with an upper inner shell 3 and a lower inner shell 4 through interference fit, so that the conducting ring component 5 can infinitely rotate for 360 degrees in the upper inner shell 3 and the lower inner shell 4, 2 electric brush components 7 are arranged between the upper inner shell 3 and the lower inner shell 4, and the 2 electric brush components 7 are mutually contacted with the conducting ring component 5 to realize signal transmission;

the outer shell 1 is fixed with the upper inner shell 3 and the lower inner shell 4 of the center contact assembly through fixing screws, and the rotor 2 and the conducting ring assembly 5 are fixed through fixing screws 11 and located on the outer side of the outer shell 1.

Referring to fig. 10, the brush assembly 7 includes a brush holder 7-1, the upper and lower end surfaces of the brush assembly 7 are respectively fixed to the upper inner housing 3 and the lower inner housing 4 by fixing screws 11, the brush holder 7-1 is provided with 2 rows of brush bundle mounting holes 7-2 arranged in parallel in the vertical direction, the positions of the brush bundle mounting holes 7-2 in each row in the transverse direction correspond to each other, the brush bundles 7-3 penetrate through and are welded in the brush bundle mounting holes 7-2 at intervals of one row along the horizontal direction, the brush bundles 7-3 in the same row are splayed towards the central shaft body 5-1, welding points at two ends of each row of brush bundles 7-3 are welded and fixed with the second conducting wire 7-4, the second conducting wire 7-4 penetrates out of a through hole 4-1 formed in the lower inner shell 4, and the brush bundles 7-3 in each row are in contact with the conducting ring 5-2 inwards to carry out signal transmission.

The brush bundles 7-3 on the 2 brush assemblies 7 installed between the upper inner shell 3 and the lower inner shell 4 are welded in a staggered mode. In the embodiment, 2 rows and 4 rows of brush bundle mounting holes 7-2 are totally arranged, for example, if the brush bundle 7-3 of one brush assembly is welded in the brush bundle mounting holes 7-2 of the first row and the third row, the brush bundle 7-3 of the other brush assembly is welded in the brush bundle mounting holes 7-2 of the second row and the fourth row, the staggered welding is maintained, the number of the corresponding conductive rings 5-2 is also set to be 4, the brush bundle 7-3 of each row is in contact with the conductive ring 5-2 of the corresponding position for signal transmission, the staggered welding enables the brush bundle to be easily welded, the conductive rings can be fully contacted with the brush bundle, and good signal transmission is ensured.

A fixing washer 8 is mounted at a symmetrical position of the bottom end surface of the lower inner case 4 by a fixing screw 11.

The periphery of the lower inner shell 4 is provided with a first annular groove 4-2, the periphery of the upper inner shell 3 is provided with a second annular groove 3-1, and a first O-shaped sealing ring 9 and a second O-shaped sealing ring 10 are respectively arranged in the first annular groove 4-2 and the second annular groove 3-1 for waterproof treatment.

The utility model discloses a fix through key position complex mode between conducting ring 5-2 and insulating gasket 5-3, add a shaft body lid at the central axis body at last and utilize set screw to fix, practiced thrift the cost, save original mould production step, save time, improved production efficiency.

The first lead 5-4 of the conducting ring 5 penetrates out from the inside of the central shaft body 5-1 and the center of the rotor, and the second lead 7-4 of the electric brush assembly 7 penetrates out from the through hole 4-1 of the lower inner shell 4, so that the technical problem of lead winding in the rotating process of equipment is solved.

When the rotary connector works, the rotor 2 and the conducting ring assembly 5 are fixed through the fixing screw 11, and the connector can be conveniently installed while the rotation of the connector is not influenced. Rotor 2 drives the revolution mechanic among the center contact assembly (conducting ring subassembly 5, brush subassembly 7 and two bearings 6), and brush subassembly 7 and conducting ring subassembly 5 contact each other and carry out signal transmission, and bearings 6 are installed at 5 both ends of conducting ring subassembly, can carry out 360 unlimited rotations around conducting ring subassembly 5, realize 360 unlimited rotations of connector, have kept the continuous transmission of signal.

The principle and the implementation of the present invention are explained herein by using specific examples, and the above description of the embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.

Claims (3)

1. A conducting ring assembly for a rotary connector is characterized by comprising a central shaft body, a plurality of conducting rings, a plurality of insulating gaskets, a first conducting wire and a shaft body cover, wherein the central shaft body is in a hollow cylinder shape, the periphery of the lower end of the hollow cylinder is sleeved with the conducting rings and the insulating gaskets, the conducting rings and the insulating gaskets are arranged at intervals layer by layer, each conducting ring is electrically connected with the first conducting wire, a wiring groove for the first conducting wire to penetrate through is formed in the central shaft body, the first conducting wire penetrates into the central shaft body from the wiring groove and extends out of an outlet at the upper end of the central shaft body, the shaft body cover is installed at the bottom end of the central shaft body, and the insulating gaskets and the conducting rings are fixed; the insulating gasket comprises a first annular body, a first annular boss and a second annular boss are formed in the center of the first annular body and extend inwards and outwards along the first annular body respectively, 4 first key grooves are evenly distributed in the circumferential direction of the first annular boss, 2 second key grooves are formed in the second annular boss, and the positions of the 2 second key grooves and the positions of the 4 first key grooves are distributed in a staggered mode; when the central shaft body is placed, the directions of all the insulating gaskets are kept consistent, and the second circular boss with the second key groove is placed towards one side of the central shaft body with the shaft body cover; and 2 adjacent insulating spacers stack the back, the corresponding contact of up end of the second tourus body of the first tourus body of one of them insulating spacer and another insulating spacer to it is corresponding to guarantee a first keyway and a second keyway position, and the formation holds the chamber, and the position dislocation set in chamber is held to each layer.

2. The conducting ring assembly for a rotary connector as claimed in claim 1, wherein the conducting ring comprises a second torus body, and an inwardly protruding boss is provided at one side of an inner circumferential wall of the second torus body;

the conducting ring is arranged between the insulating spacers on 2 adjacent layers, the second ring body is sleeved on the peripheries of the first circular ring-shaped bosses and the second circular ring-shaped bosses on 2 adjacent layers, the root of the protruding part is arranged in the accommodating cavity formed by the first key groove and the second key groove, and the front end of the protruding part extends out of the accommodating cavity.

3. The conducting ring assembly for a rotary connector of claim 1, wherein the first torus body has an inside diameter that matches an outside diameter of the central shaft body, and the second torus body has an inside diameter that matches an outside diameter of the first and second annular bosses.

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