CN209119523U - A kind of power cable rotates freely vertical attachment device - Google Patents

Abstract

The utility model discloses a kind of power cables to rotate freely vertical attachment device, including upper end interface, lower end interface and rotary connector, upper end interface is in vertical tube body, and lower end nozzle is in the tube body for being mutually perpendicular to connection, and the outside of upper end interface and lower end interface is enclosed with metal layer.Specially it is connected to the power device for needing to rotate, play the role of linking, it is provided with different conductor I and conductor II in the cavities, cylindrical, what is used is highly conductive metal material, is electrically connected between conductor I and conductor II by ball I, ball I not only provide electrical connection, promote opposite sliding between conductor I and conductor II simultaneously, but do not influence to be electrically connected, is conveniently used for needing rotating electrical appliance.

Description

A kind of power cable rotates freely vertical attachment device

Technical field

The utility model relates to the technical fields of power cable more particularly to a kind of power cable to rotate freely vertical connection Device.

Background technique

In China, wire and cable is used for transmission electric energy, information and the wire product for realizing electromagnetic energy conversion.It can also define For be by one or more core and they respectively formed by from components such as the insulating layer, protective layer, shielded layer, the restrictive coatings that have Be used for transmission electric energy, information and realize electromagnetic energy conversion aggregate.

Cable has the following characteristics that the structure of cable is more complicated than overhead line, it is in addition to there is cable core compared with overhead line (conductor) outside, there are also the insulating layer that can bear network voltage and cladding on the insulating layer, make insulating materials from moisture attack With mechanical failure, the protective layer to keep insulation performance for a long time.The slightly higher cable of voltage class, conductor is outer and insulating layer Outside, cable laying does not take up an area space of planes in underground, and same underpass can accommodate multi circuit transmission lines.

Since the bore of power cable is larger, when needing the power device for needing frequently to rotate, itself hair Raw torsion, causes torsion to damage, is unfavorable for the use of this kind of power device.Therefore, the utility model master is to solve electric power The revolving joint of cable provides the linking of power cable, while providing the function of rotating automatically, improves the use of power cable On the way.

Utility model content

In view of the shortcomings of the prior art, the utility model provides a kind of power cables to rotate freely vertical attachment device, main It is to solve the revolving joint of power cable, provides the linking of power cable, while providing the function of rotating automatically.

The utility model is realized by following technological means solves above-mentioned technical problem:

A kind of power cable rotates freely vertical attachment device, including upper end interface, lower end interface and rotary connector, institute End interface is stated in vertical tube body, the lower end nozzle is in the tube body for being mutually perpendicular to connection, the upper end interface and lower termination The outside of mouth is enclosed with metal layer；

The rotary connector includes upper housing and lower case, and the lower case includes the side of circular lower wall and circular tube shaped Wall I, the upper housing include the side wall II of circular upper wall and circular tube shaped, the upside of the side wall I and the rounded sides of lower wall Integrally connected, the downside of the side wall II and the rounded sides integrally connected of upper wall, the upper housing be sticked in lower case and Inside forms cavity, and the side wall III, rubber bodies I, rubber bodies II of circular tube shaped are provided in the cavity, several circular tube shapeds The upside of side wall I and and side are resisted against on the downside of the metallic conductor II, the side wall III of metallic conductor I and several circular tube shapeds It is slidably matched on the upside of wall I, the upside of the side wall III and upper wall are affixed；

The rubber bodies I is set to the bottom of lower case, and the rubber bodies II is set to the top of upper housing, several institutes The downside for stating conductor I is fixed in rubber bodies I upper side, several described conductor I and lower case are coaxially disposed, described in several The upside of conductor II is fixed in the downside of rubber bodies II, several described conductor II and upper housing are coaxially disposed, described to lead The quantity of body I is equal with the quantity of conductor II, and conductor I is corresponding with several conductors II is fastened togather for several, if Annular slot rolling, the rolling there are two being respectively provided between the inner wall and the outer wall of the corresponding conductor II of the dry conductor I It is provided with several metal balls I in slot, is revolved between the conductor I inner wall and corresponding conductor II outer wall by ball I Turn cooperation, conducting wire I is provided between several described conductor I and lower end interface, the conducting wire I is located in rubber bodies I, several Conducting wire II is provided between a conductor II and upper end interface, the conducting wire II is located in rubber bodies II.

Preferably, insulating layer is provided on the inner wall of several conductor II.

Preferably, the upper side edge of the side wall I is provided with the sliding slot of annular, is provided with ball II in the sliding slot, described The lower side of side wall III is sticked in sliding slot and is resisted against on ball II, rolls between the lower side and ball II of the side wall III Dynamic cooperation.

Utility model has the advantages that the utility model is for being specially connected to the use for needing to rotate in power cable Electric installation, plays the role of linking, is provided with different conductor I and conductor II in the cavities, cylindrical, what is used is Highly conductive metal material is electrically connected between conductor I and conductor II by ball I, and ball I not only provides electrical connection, is promoted simultaneously Make opposite sliding between conductor I and conductor II, but do not influence to be electrically connected, is conveniently used for needing rotating electrical appliance.

Detailed description of the invention

Fig. 1: for the utility model structure diagram.

Fig. 2: for the utility model side wall I and side wall III link position enlarged drawing.

Specific embodiment

It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to The range of the utility model protection.

Up, down, left, right, before and after herein show standard both with respect to Fig. 1.

Embodiment:

A kind of power cable rotates freely vertical attachment device, including upper end interface, lower end interface 2 and rotation as shown in Figure 1: Turn connector, the upper end interface 1 is in vertical tube body, and the lower end nozzle 2 is in the tube body for being mutually perpendicular to connection, the upper end The outside of interface 1 and lower end interface 2 is enclosed with metal layer 11；

The rotary connector includes upper housing 3 and lower case 4, and the lower case 4 includes circular lower wall 41 and round tube The side wall I 42 of shape, the upper housing 3 include the side wall II 32 of circular upper wall 31 and circular tube shaped, and the side wall I's 42 is upper The rounded sides integrally connected of side and lower wall 41, the downside of the side wall II32 and the rounded sides integrally connected of upper wall 31, institute It states upper housing 3 to be sticked in lower case 4 and form cavity in inside, side wall III 33, the rubber of circular tube shaped is provided in the cavity Colloid I 43, rubber bodies II 34, the metallic conductor I 44 of several circular tube shapeds and the metallic conductor II 35 of several circular tube shapeds, The downside of the side wall III 33 is resisted against the upside of side wall I 42 and is slidably matched with the upside of side wall I 42, the side wall The upside of III 33 and upper wall 31 are affixed；

The rubber bodies I 43 is set to the bottom of lower case 4, and the rubber bodies II 34 is set to the top of upper housing 3, The downside of several conductor I 44 is fixed in 43 upper side of rubber bodies I, several described conductor I 44 and lower case 4 Coaxial arrangement, the upside of several conductor II 35 are fixed in the downside of rubber bodies II 34, several described conductors II 35 and upper housing 3 are coaxially disposed, and the quantity of the conductor I 44 is equal with the quantity of conductor II 35, several described conductors I 44 is corresponding with several conductors II 35 to be fastened togather, the inner wall of several conductor I 44 with it is corresponding described It is respectively provided between the outer wall of conductor II 35 there are two annular slot rolling 45, is provided with several metal balls I in the slot rolling 45 46, by 46 rotatable engagement of ball I between 44 inner wall of conductor I and corresponding 35 outer wall of conductor II, described in several Conducting wire I 47 is provided between conductor I 44 and lower end interface 2, the conducting wire I 47 is located in rubber bodies I 43, several institutes It states and is provided with conducting wire II 36 between conductor II 35 and upper end interface 1, the conducting wire II 36 is located in rubber bodies II 34.

Insulating layer 37 is provided on the inner wall of several conductor II 35.

As shown in Figure 2: the upper side edge of the side wall I 42 is provided with the sliding slot 5 of annular, is provided with ball in the sliding slot 5 The lower side of II 51, the side wall III 33 are sticked in sliding slot 5 and are resisted against on ball II 51, the side wall III's 33 Cooperation is rolled between lower side and ball II 51.

The utility model is mainly used in power cable, is specially connected to the power device for needing to rotate, plays linking Effect, can wherein occur opposite rotation between upper housing 3 and lower case 4, but the electrical connection between not influencing, different There are different phase lines in power cable, are in round tube so being provided with different conductor I 44 and conductor II 35 in the cavities Shape, what is used is highly conductive metal material, is electrically connected between conductor I 44 and conductor II 45 by ball I 46, ball I 46 not only provide electrical connection, while promoting between conductor I 44 and conductor II 45 opposite sliding, the attachment device in embodiment with For four-phase line, wherein 44 relative rotation of conductor I in conductor II 35 and lower case 4 in upper housing 3, but do not influence Electrical connection, is conveniently used for needing rotating electrical appliance.

It should be noted that, in this document, such as first and second or the like relational terms are used merely to one if it exists A entity or operation with another entity or operate distinguish, without necessarily requiring or implying these entities or operation it Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to Cover non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or setting Standby intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that There is also other identical elements in the process, method, article or apparatus that includes the element.

Above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；Although referring to aforementioned reality Example is applied the utility model is described in detail, those skilled in the art should understand that: it still can be to preceding Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these It modifies or replaces, the spirit and model of various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution It encloses.

Claims (3)

1. a kind of power cable rotates freely vertical attachment device, it is characterised in that: including upper end interface, lower end interface and rotation Connector, the upper end interface are in vertical tube body, and the lower end nozzle is in the tube body for being mutually perpendicular to connection, the upper end interface Metal layer is enclosed with the outside of lower end interface；

The rotary connector includes upper housing and lower case, and the lower case includes the side wall I of circular lower wall and circular tube shaped, The upper housing includes the upside of the side wall II, the side wall I of circular upper wall and circular tube shaped and the rounded sides one of lower wall Connection, the downside of the side wall II and the rounded sides integrally connected of upper wall, the upper housing are sticked in lower case and in inside Cavity is formed, the side wall III, rubber bodies I, rubber bodies II of circular tube shaped, the metal of several circular tube shapeds are provided in the cavity The upside of side wall I is resisted against on the downside of the metallic conductor II, the side wall III of conductor I and several circular tube shapeds and with side wall I's Upside is slidably matched, and the upside of the side wall III and upper wall are affixed；

The rubber bodies I is set to the bottom of lower case, and the rubber bodies II is set to the top of upper housing, leads described in several The downside of body I is fixed in rubber bodies I upper side, several described conductor I and lower case are coaxially disposed, several described conductors The upside of II is fixed in the downside of rubber bodies II, several described conductor II and upper housing are coaxially disposed, the conductor I's Quantity is equal with the quantity of conductor II, and conductor I is corresponding with several conductors II is fastened togather for several, several institutes It states and is respectively provided between the inner wall of conductor I and the outer wall of the corresponding conductor II there are two annular slot rolling, in the slot rolling It is provided with several metal balls I, passes through ball I rotatable engagement between the conductor I inner wall and corresponding conductor II outer wall, Conducting wire I is provided between several described conductor I and lower end interface, the conducting wire I is located in rubber bodies I, described in several Conducting wire II is provided between conductor II and upper end interface, the conducting wire II is located in rubber bodies II.

2. a kind of power cable rotates freely vertical attachment device according to claim 1, it is characterised in that: described in several Insulating layer is provided on the inner wall of conductor II.

3. a kind of power cable rotates freely vertical attachment device according to claim 1, it is characterised in that: the side wall I Upper side edge be provided with the sliding slot of annular, be provided with ball II in the sliding slot, the lower side of the side wall III is sticked in sliding slot In and be resisted against on ball II, between the lower side and ball II of the side wall III roll cooperation.