CN214254966U

CN214254966U - Power transmission plugging mechanism

Info

Publication number: CN214254966U
Application number: CN202120665339.9U
Authority: CN
Inventors: 柏绍文
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2021-09-21
Anticipated expiration: 2031-03-31

Abstract

The utility model belongs to the technical field of electric connection plug-in components, in particular to a power transmission plug-in mechanism, which comprises a male connection component and a female connection component, wherein the male connection component comprises a first connection seat, a live wire connection unit, a zero wire connection unit and a signal needle connection unit, the female connection component comprises a second connection seat, a live wire installation unit, a zero wire installation unit and a signal needle installation unit, the live wire installation unit, the zero wire installation unit and the signal needle installation unit are respectively provided with a first connection groove, a second connection groove and a third connection groove which are used for clamping and connecting the adaptive live wire connection unit, the zero wire connection unit and the signal needle connection unit in a one-to-one correspondence manner, the signal needle connection unit is electrically connected with the input end of an external digital display device, a signal needle information transmission unit is added, the real-time expression of the power transmission general situation is realized by matching with the external digital display device, so that an operator can master the power transmission situation in time, the practicability of the power transmission plugging mechanism is improved, and enterprise development is facilitated.

Description

Power transmission plugging mechanism

Technical Field

The utility model belongs to the technical field of the plug-in components are connected to the electricity, especially, relate to a power transmission grafting mechanism.

Background

The electrical connector not only needs to meet general performance requirements, but also has the important requirements that the electrical connector has good contact, reliable operation and convenient maintenance, and whether the reliable operation directly affects the normal operation of a circuit or not, and relates to the safety of the whole host. Therefore, the host circuit has very strict requirements on the quality and reliability of the electric connector, and the electric connector is also widely applied to military systems such as aviation, aerospace, national defense and the like due to the high quality and high reliability of the electric connector, and meanwhile, in the field of small-sized electrical appliances, the electric connector is widely applied to a fast charging structure of an unmanned aerial vehicle.

The electric connection end of the traditional electric connector only has a positive electrode connection unit and a negative electrode connection unit generally, only can realize basic electric power transmission function, along with the development of science and technology, the application object structure of the electric connector is increasingly complex, the requirement on the electric connector is also gradually improved, wherein, the electric quantity is displayed in time to be one of the functions of the current urgent needs on the market, because the traditional electric connector only has the electric power transmission function, therefore the traditional electric quantity monitoring is generally connected with a power supply through a monitoring unit, except that the influence of shunting influencing the electric power transmission, the circuit structure disorder can be caused, and the whole host circuit is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a power transmission grafting mechanism aims at solving among the prior art power transmission grafting mechanism and only realizes the power transmission function through positive negative pole linkage unit, the function singleness, the low technical problem of practicality.

In order to achieve the above object, an embodiment of the present invention provides a power transmission plugging mechanism, which includes a male connection component and a female connection component, where the male connection component includes a first connection seat, a fire wire connection unit, a zero wire connection unit and a signal pin connection unit, the first connection seat is provided with a first open cavity, the fire wire connection unit, the zero wire connection unit and the signal pin connection unit are all disposed on the first connection seat in a penetrating manner, one end of the fire wire connection unit, one end of the zero wire connection unit and one end of the signal pin connection unit all extend into the first open cavity, and the other end of the fire wire connection unit, one end of the zero wire connection unit and one end of the signal pin connection unit extend to the outside of the first open cavity; the female connection assembly comprises a second connection seat, a live wire installation unit, a zero line installation unit and a signal needle installation unit, the second connection seat is provided with a first connection table used for being clamped and matched with the first opening cavity, one end of the live wire installation unit, one end of the zero line installation unit and one end of the signal needle installation unit are arranged in the first connection table, and the other end of the live wire installation unit, one end of the zero line installation unit and one end of the signal needle installation unit reversely extend to the outer side of the second connection seat; the live wire installation unit, zero line installation unit with signal needle installation unit is provided with respectively the one-to-one and is used for the joint adaptation live wire linkage unit zero line linkage unit with signal needle linkage unit's first spread groove, second spread groove and third spread groove, signal needle linkage unit and outside digital display device's input electric connection.

Optionally, the first connecting seat is provided with a first mounting groove, a second mounting groove and a third mounting groove, in which the live wire connecting unit, the zero wire connecting unit and the signal pin connecting unit are respectively mounted in one-to-one correspondence, and the live wire connecting unit and the zero wire connecting unit are respectively arranged on two sides of the signal pin connecting unit; a fourth mounting groove, a fifth mounting groove and a sixth mounting groove which are respectively used for limiting and mounting the live wire mounting unit, the zero wire mounting unit and the signal pin mounting unit in a one-to-one correspondence manner are formed in the first connecting table; the width of the first connecting table is smaller than that of the second connecting seat, so that a step structure used for abutting against an opening frame structure of the first opening cavity is formed between the first connecting table and the second connecting seat.

Optionally, the live wire linkage unit is close to the tip of first spread groove, the zero line linkage unit is close to the tip of second spread groove the lateral wall of first spread groove the lateral wall of second spread groove with all be provided with the elastic deformation groove on the lateral wall of third spread groove, the live wire linkage unit zero line linkage unit the live wire installation unit zero line installation unit the signal needle linkage unit with the signal needle installation unit is formed by the preparation of electrically conductive metal material.

Optionally, the fire wire connection unit includes a fire wire male connector and a first connection block, the first connection block is fixedly disposed on the first connection seat, one end of the fire wire male connector is fixedly connected to the first connection block, the other end of the fire wire male connector extends into the first open cavity, and the elastic deformation groove is formed in the fire wire male connector along an axial direction of the fire wire male connector and divides the fire wire male connector into at least two sets of fire wire connection elastic pieces; the live wire mounting unit comprises a live wire female joint seat and a second connecting block, the live wire female joint seat is fixedly arranged on the second connecting seat, the first connecting groove is formed in the live wire female joint seat, the notch of the first connecting groove faces the live wire connecting elastic sheet, and the second connecting block is arranged at the end part, far away from the live wire connecting elastic sheet, of the live wire female joint seat; the zero line connecting unit comprises a zero line male joint and a third connecting block, the third connecting block is fixedly arranged on the first connecting seat, one end of the zero line male joint is fixedly connected with the third connecting block, the other end of the zero line male joint extends into the first open cavity, the elastic deformation groove is formed in the zero line male joint along the axial direction of the zero line male joint and divides the zero line male joint into at least two groups of zero line connecting elastic sheets; the zero line mounting unit comprises a zero line female connecting seat and a fourth connecting block, the zero line female connecting seat is fixedly arranged on the second connecting seat, the second connecting groove is formed in the zero line female connecting seat, a notch of the second connecting groove faces towards the zero line connecting elastic sheet, and the fourth connecting block is arranged at the end part, far away from the zero line connecting elastic sheet, of the zero line female connecting seat; the fire wire connecting elastic pieces are obliquely arranged along the central axis of the fire wire male connector, and are uniformly distributed around the central axis of the fire wire male connector to form a conical cylindrical structure for elastically clamping the first connecting groove; all zero line connection shell fragment is followed the axis slope setting of zero line male joint, zero line connection shell fragment centers on the axis evenly distributed of zero line male joint is in order to form and is used for the elasticity joint the awl tubular structure of first connecting groove.

Optionally, a stress deformation compensation structure for correspondingly increasing the structural strength of the first connecting seat and the first connecting platform is arranged in each of the first mounting groove, the second mounting groove, the fourth mounting groove and the fifth mounting groove.

Optionally, the third mounting groove is kept away from the tip of first opening die cavity is provided with stair structure, signal needle coupling unit is including connecting needle body and mount pad, the mount pad sets up in the third mounting groove, connect the needle body the one end with mount pad fixed connection, the other end of connecting the needle body extends to just be used for the joint adaptation in the first opening die cavity the third spread groove.

Optionally, the outer side walls of the first connecting seat and the second connecting seat are respectively provided with a marking structure for marking corresponding positions of the live wire and the zero wire.

Optionally, the outer side walls of the first connecting seat and the second connecting seat are provided with stripe structures for increasing the friction coefficient of the side walls.

Optionally, the power transmission plugging mechanism further includes a first protection cover and a second protection cover, and the first protection cover and the second protection cover are detachably mounted on the end portions of the first connection seat and the second connection seat in a covering manner respectively; wherein, the end parts of the first connecting seat and the second connecting seat far away from the first opening cavity are respectively provided with a first connecting bulge and a second connecting bulge which are used for positioning and connecting a first protective cover and a second protective cover, the first protective cover is provided with a first abdicating cavity for avoiding the gap among the live wire connecting unit, the zero wire linking unit and the signal needle connecting unit, the second protective cover is provided with a second abdicating cavity for avoiding the live wire installation unit, the zero wire installation unit and the signal needle installation unit, the first abdicating cavity and the second abdicating cavity are respectively used for clamping and adapting the first connecting bulge and the second connecting bulge, first protective cover and second protective cover are gone up to be provided with the intercommunication respectively first die cavity of stepping down with the second steps down the first wiring hole and the second wiring hole of die cavity.

Optionally, the first connection is protruding with the second is connected and is provided with the bellied joint piece of extending to the outside on the bellied circumference lateral wall respectively, first die cavity of stepping down with all be provided with on the die cavity of stepping down of second and be used for the joint adaptation the draw-in groove of card piece.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the power transmission grafting mechanism have one of following technological effect at least: the working principle of the power transmission plugging mechanism is as follows: the method comprises the following steps that a first connecting table located at the end part of a second connecting seat is installed in a first open cavity in a clamped mode, a live wire connecting unit, a zero line connecting unit and a signal needle connecting unit are respectively connected with a live wire installing unit, a zero line installing unit and a signal needle installing unit in an inserted mode, the live wire connecting unit and the live wire installing unit are matched to form a live wire power transmission structure, the zero line connecting unit and the zero line installing unit are matched to form a zero line power transmission mechanism, and the signal needle connecting unit and the signal needle installing unit form the signal transmission mechanism and are used for displaying power transmission information to an external digital display device in real time; compare in the electric connector among the prior art only have positive negative pole linkage unit, can only realize the power transmission function, lead to the function singleness, the technical problem that the practicality is low, the embodiment of the utility model provides a power transmission grafting mechanism increases signal needle information transmission unit, cooperates outside digital display device to realize the real-time expression of power transmission general profile to in time master the power transmission condition for operating personnel, be favorable to improving this power transmission grafting mechanism's practicality, be favorable to the enterprise to develop.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural diagram of an electric power transmission plugging mechanism provided in an embodiment of the present invention.

Fig. 2 is an exploded view of the power transmission plug mechanism of fig. 1.

Fig. 3 is a horizontal sectional view of the power transmission plugging mechanism in fig. 1.

Fig. 4 is a vertical sectional view of the power transmission plugging mechanism in fig. 1.

Fig. 5 is a vertical sectional view of the power transmission plugging mechanism in fig. 2.

Fig. 6 is a horizontal sectional view of the power transmission plugging mechanism in fig. 2.

Fig. 7 is a sectional view of the first connecting seat according to the embodiment of the present invention.

Fig. 8 is a sectional view of the second connecting seat provided in the embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

10-male connection assembly 20-female connection assembly 11-first connecting seat

12-live wire connecting unit 13-zero line connecting unit 14-signal needle connecting unit

111-first opening cavity 21-second connecting seat 22-live wire installation unit

23-neutral wire mounting unit 24-signal pin mounting unit 211-first connection station

221-first connecting groove 222-second connecting groove 223-third connecting groove

112-first mounting groove 113-second mounting groove 114-third mounting groove

212-fourth mounting groove 213-fifth mounting groove 214-sixth mounting groove

30-elastic deformation groove 121-live wire male joint 122-first connecting block

224-live wire female connection base 225-second connection block 131-neutral wire male connector

132-third connecting block 231-neutral bus connecting seat 232-fourth connecting block

40-groove structure 141-connecting needle body 142-mounting seat

50-mark structure 60-stripe structure 71-first protective cover

72-second protective cover 80-clamping block 73-clamping groove.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to fig. 1-8 are exemplary and intended to be used to illustrate embodiments of the present invention, and should not be construed as limiting the invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In an embodiment of the present invention, as shown in fig. 1 to 8, a power transmission plugging mechanism is provided, including a male connection component 10 and a female connection component 20, where the male connection component 10 includes a first connection seat 11, a fire wire connection unit 12, a zero wire connection unit 13 and a signal pin connection unit 14, the first connection seat 11 is provided with a first open cavity 111, the fire wire connection unit 12, the zero wire connection unit 13 and the signal pin connection unit 14 are all inserted into the first connection seat 11, one end of the fire wire connection unit 12, one end of the zero wire connection unit 13 and one end of the signal pin connection unit 14 all extend into the first open cavity 111, and the other end extends reversely to the outside of the first open cavity 111; the female connection assembly 20 comprises a second connection seat 21, a live wire installation unit 22, a zero wire installation unit 23 and a signal pin installation unit 24, the second connection seat 21 is provided with a first connection table 211 for clamping and adapting to the first opening cavity 111, one end of the live wire installation unit 22, one end of the zero wire installation unit 23 and one end of the signal pin installation unit 24 are arranged in the first connection table 211, and the other end of the live wire installation unit 22, one end of the zero wire installation unit 23 and the other end of the signal pin installation unit 24 reversely extend to the outer side of the second connection seat 21; wherein, the fire wire installation unit 22, the zero line installation unit 23 and the signal needle installation unit 24 are respectively and correspondingly provided with a first connection groove 221, a second connection groove 222 and a third connection groove 223 for clamping adaptation of the fire wire connection unit 12, the zero line connection unit 13 and the signal needle connection unit 14, the signal needle connection unit 14 is electrically connected with an input end of an external digital display device, in this embodiment, the digital display device comprises a signal connection wire, a conversion unit, a control unit and a display unit, the connection wire is connected with an output end of the signal needle connection unit 14, the digital display device is a structure with mature technology and technology, which is not repeated in this embodiment, wherein, in this embodiment, the number of the signal needle connection unit 14 and the signal needle installation unit 24 is two sets, the two sets of signal needle connection units 14 are arranged between the fire wire connection unit 12 and the zero line connection unit 13 and are arranged at intervals from top to bottom, two sets of signal pin installation units 24 are arranged between the live wire installation unit 22 and the neutral wire installation unit 23 and are spaced from top to bottom, and in other embodiments, the number of the signal pin connection units 14 and the number of the signal pin installation units 24 may be one or more.

Specifically, the working principle of the power transmission plugging mechanism is as follows: the first connecting table 211 located at the end of the second connecting seat 21 is installed in the first opening cavity 111 in a clamping mode, the live wire connecting unit 12, the zero line connecting unit 13 and the signal needle connecting unit 14 are respectively connected with the live wire installing unit 22, the zero line installing unit 23 and the signal needle installing unit 24 in an inserting mode, the live wire connecting unit 12 and the live wire installing unit 22 are matched to form a live wire power transmission structure, the zero line connecting unit 13 and the zero line installing unit 23 are matched to form a zero line power transmission mechanism, and the signal needle connecting unit 14 and the signal needle installing unit 24 form a signal transmission mechanism and are used for displaying power transmission information to an external digital display device in real time; compare in the electric connector among the prior art only have positive negative pole linkage unit, can only realize the power transmission function, lead to the function singleness, the technical problem that the practicality is low, the embodiment of the utility model provides a power transmission grafting mechanism increases signal needle information transmission unit, cooperates outside digital display device to realize the real-time expression of power transmission general profile to in time master the power transmission condition for operating personnel, be favorable to improving this power transmission grafting mechanism's practicality, be favorable to the enterprise to develop.

As shown in fig. 1 to 8, in another embodiment of the present invention, the first connecting seat 11 is provided with a first mounting groove 112, a second mounting groove 113 and a third mounting groove 114 for mounting the live wire connecting unit 12, the neutral wire connecting unit 13 and the signal pin connecting unit 14 in a one-to-one correspondence manner, and the live wire connecting unit 12 and the neutral wire connecting unit 13 are respectively disposed at two sides of the signal pin connecting unit 14; the first connecting table 211 is provided with a fourth mounting groove 212, a fifth mounting groove 213 and a sixth mounting groove 214 which are used for limiting and mounting the live wire mounting unit 22, the zero wire mounting unit 23 and the signal pin mounting unit 24 in a one-to-one correspondence manner; wherein, the width of first connecting platform 211 is less than second connecting seat 21 is so that first connecting platform 211 with form between the second connecting seat 21 and be used for the butt the stair structure of the opening frame structure of first opening die cavity 111 adopts the stair structure that forms between boss and the second connecting seat 21 as first connecting seat 11 and second connecting seat 21's joint unit, is favorable to improving the stability of first connecting seat 11 and second connecting seat 21, prevents that first connecting seat 11 and second connecting seat 21 dislocation from deviating, influences coupling part's linkage effect.

In another embodiment of the present invention, as shown in fig. 1 to 8, the live wire connecting unit 12 is provided with an elastic deformation groove 30 at an end portion close to the first connecting groove 221, the neutral wire connecting unit 13 is provided at an end portion close to the second connecting groove 222, a side wall of the first connecting groove 221, a side wall of the second connecting groove 222 and a side wall of the third connecting groove 223, live wire linkage unit 12 zero line linkage unit 13 live wire installation element 22 zero line installation element 23 signal needle linkage unit 14 with signal needle installation element 24 is formed by the electrically conductive metal material preparation, adopts the mode that the elastic deformation groove 30 structure replaces the rigid contact, is favorable to the deformation service ability of linkage unit and installation element, and then improves its durable degree, increases the life of linkage unit and installation element.

In another embodiment of the present invention, as shown in fig. 1 to 8, the live wire connection unit 12, the neutral wire unit and the signal pin connection unit 14 are all disposed in a linear cylindrical structure, the live wire installation unit 22, the zero wire installation unit 23 and the signal pin installation unit 24 are all arranged in a linear cylindrical structure, the live wire connection unit 12 comprises a live wire male connector 121 and a first connection block 122, the first connection block 122 is fixedly arranged on the first connection seat 11, one end of the fire wire male joint 121 is fixedly connected with the first connecting block 122, the other end of the fire wire male joint 121 extends into the first open cavity 111, the elastic deformation groove 30 is formed on the fire wire male joint 121 along the axial direction of the fire wire male joint 121 and divides the fire wire male joint 121 into at least two groups of fire wire connecting elastic pieces; the live wire mounting unit 22 comprises a live wire female joint seat 224 and a second connecting block 225, the live wire female joint seat 224 is fixedly arranged on the second connecting seat 21, the first connecting groove 221 is formed on the live wire female joint seat 224, a notch of the first connecting groove 221 faces the live wire connecting elastic sheet, and the second connecting block 225 is arranged at the end of the live wire female joint seat 224 far away from the live wire connecting elastic sheet; the neutral wire connecting unit 13 comprises a neutral wire male connector 131 and a third connecting block 132, the third connecting block 132 is fixedly arranged on the first connecting base 11, one end of the neutral wire male connector 131 is fixedly connected with the third connecting block 132, the other end of the neutral wire male connector 131 extends into the first opening cavity 111, and the elastic deformation groove 30 is formed in the neutral wire male connector 131 along the axial direction of the neutral wire male connector 131 and divides the neutral wire male connector 131 into at least two groups of neutral wire connecting elastic sheets; the zero line mounting unit 23 includes a zero line female connection seat 231 and a fourth connection block 232, the zero line female connection seat 231 is fixedly disposed on the second connection seat 21, the second connection groove 222 is formed on the zero line female connection seat 231, a notch of the second connection groove 222 faces the zero line connection elastic sheet, and the fourth connection block 232 is disposed at an end portion of the zero line female connection seat 231, which is far away from the zero line connection elastic sheet; all the live wire connecting elastic pieces are obliquely arranged along the central axis of the live wire male connector 121, and the live wire connecting elastic pieces are uniformly distributed around the central axis of the live wire male connector 121 to form a conical cylindrical structure for elastically clamping the first connecting groove 221; all zero line connection shell fragment is followed the axis slope of zero line male joint 131 sets up, zero line connection shell fragment centers on the axis evenly distributed of zero line male joint 131 is used for the elasticity joint in order to form the awl tubular structure of first connecting groove 221, wherein, should bore tubular structure past the direction of second connecting seat 21 expands the setting gradually, and the awl tubular structure that adopts the elasticity groove body to form is favorable to improving the laminating degree of linkage unit and spread groove inner wall, prevents that linkage unit is not hard up, influences the connection effect.

As shown in fig. 1-8, in another embodiment of the present invention, the first mounting groove 112, the second mounting groove 113, the fourth mounting groove 212 and the fifth mounting groove 213 are provided with the stress deformation compensation structure for increasing the structural strength of the first connecting seat 11 and the first connecting platform 211, in this embodiment, the stress deformation compensation structure includes at least one set of groove structures 40 distributed on the inner wall of the mounting groove, so that even if the groove diameter of the mounting groove is smaller than the size of the connecting unit and the mounting unit, the groove structures 40 can generate corresponding deformation to realize interference fit, thereby reducing the difficulty in manufacturing the mounting groove.

As shown in fig. 1 to 8, in another embodiment of the present invention, the end of the third mounting groove 114 far away from the first opening cavity 111 is provided with a step structure, the signal pin connection unit 14 includes a connection pin body 141 and a mounting seat 142, the mounting seat 142 is disposed in the third mounting groove 114, one end of the connection pin body 141 is fixedly connected to the mounting seat 142, the other end of the connection pin body 141 extends into the first opening cavity 111 and is used for the snap-fit connection to the third connecting groove 223, and the step structure is favorable for efficiently positioning and installing the signal pin connection unit 14, thereby improving the installation accuracy.

As shown in fig. 1-8, in another embodiment of the utility model, first connecting seat 11 with be provided with the mark structure 50 that is used for mark live wire and zero line corresponding position on the lateral wall of second connecting seat 21 respectively to the position is predetermine in the installation of live wire and zero line is mastered fast to the installer, improves the installation effectiveness.

As shown in fig. 1 to 8, in another embodiment of the present invention, the first connecting seat 11 and the second connecting seat 21 are provided with a stripe structure 60 on the outer sidewall thereof for increasing the coefficient of friction of the sidewall, so that the installer can conveniently take and place the connecting rod, and the practicability of the plugging mechanism is improved.

As shown in fig. 1 to 8, in another embodiment of the present invention, the power transmission plugging mechanism further includes a first protection cover 71 and a second protection cover 72, and the first protection cover 71 and the second protection cover 72 are detachably mounted on the ends of the first connection seat 11 and the second connection seat 21 respectively; wherein, the end of the first connecting seat 11 and the second connecting seat 21 far away from the first opening cavity 111 is provided with a first connecting protrusion and a second connecting protrusion for positioning connection of a first protection cover 71 and the second protection cover 72 respectively, the first protection cover 71 is provided with a first abdicating cavity for avoiding the space between the live wire connecting unit 12, the zero wire connecting unit and the signal pin connecting unit 14, the second protection cover 72 is provided with a second abdicating cavity for avoiding the space between the live wire mounting unit 22, the zero wire mounting unit 23 and the signal pin mounting unit 24, the first abdicating cavity and the second abdicating cavity are respectively used for clamping the first connecting protrusion and the second connecting protrusion, in this embodiment, the first protection cover 71 and the second protection cover 72 are respectively provided with a first wiring hole and a second wiring hole for communicating the first abdicating cavity and the second abdicating cavity, the first protective cover 71 and the second protective cover 72 are made of an insulating rubber material.

As shown in fig. 1-8, in another embodiment of the present invention, the first connecting protrusion and the second connecting protrusion are respectively provided with a joint block 80 extending outward and protruding from the circumferential side wall, the first yielding cavity and the second yielding cavity are respectively provided with a clamping groove 73 for clamping the joint block, so as to fix the protective cover and prevent the protective cover from falling off accidentally.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A power transfer plug mechanism, comprising:

the male connection assembly comprises a first connection seat, a live wire connection unit, a zero line connection unit and a signal needle connection unit, wherein the first connection seat is provided with a first opening cavity, the live wire connection unit, the zero line connection unit and the signal needle connection unit are all arranged on the first connection seat in a penetrating mode, one end of the live wire connection unit, one end of the zero line connection unit and one end of the signal needle connection unit are all extended into the first opening cavity, and the other end of the live wire connection unit, one end of the zero line connection unit and one end of the signal needle connection unit are reversely extended to the outer side of the first opening cavity;

the female connection assembly comprises a second connection seat, a live wire installation unit, a zero line installation unit and a signal needle installation unit, wherein the second connection seat is provided with a first connection table used for being clamped and matched with the first opening cavity, one end of the live wire installation unit, one end of the zero line installation unit and one end of the signal needle installation unit are arranged in the first connection table, and the other end of the live wire installation unit, one end of the zero line installation unit and one end of the signal needle installation unit reversely extend to the outer side of the second connection seat;

the live wire installation unit, zero line installation unit with signal needle installation unit is provided with respectively the one-to-one and is used for the joint adaptation live wire linkage unit zero line linkage unit with signal needle linkage unit's first spread groove, second spread groove and third spread groove, signal needle linkage unit and outside digital display device's input electric connection.

2. The power transfer plug mechanism of claim 1, wherein: the first connecting seat is provided with a first mounting groove, a second mounting groove and a third mounting groove which are respectively used for mounting the live wire connecting unit, the zero wire connecting unit and the signal needle connecting unit in a one-to-one correspondence manner, and the live wire connecting unit and the zero wire connecting unit are respectively arranged at two sides of the signal needle connecting unit;

a fourth mounting groove, a fifth mounting groove and a sixth mounting groove which are respectively used for limiting and mounting the live wire mounting unit, the zero wire mounting unit and the signal pin mounting unit in a one-to-one correspondence manner are formed in the first connecting table;

the width of the first connecting table is smaller than that of the second connecting seat, so that a step structure used for abutting against an opening frame structure of the first opening cavity is formed between the first connecting table and the second connecting seat.

3. The power transfer plug mechanism of claim 1, wherein: the live wire linkage unit is close to the tip of first spread groove the zero line linkage unit is close to the tip of second spread groove the lateral wall of first spread groove the lateral wall of second spread groove with all be provided with the elastic deformation groove on the lateral wall of third spread groove, the live wire linkage unit the zero line linkage unit the live wire installation unit the zero line installation unit the signal needle linkage unit with the signal needle installation unit is formed by the preparation of conductive metal material.

4. The power transfer plug mechanism of claim 3, wherein: the fire wire connecting unit comprises a fire wire male connector and a first connecting block, the first connecting block is fixedly arranged on the first connecting seat, one end of the fire wire male connector is fixedly connected with the first connecting block, the other end of the fire wire male connector extends into the first open cavity, and the elastic deformation groove is formed in the fire wire male connector along the axial direction of the fire wire male connector and divides the fire wire male connector into at least two groups of fire wire connecting elastic sheets; the live wire mounting unit comprises a live wire female joint seat and a second connecting block, the live wire female joint seat is fixedly arranged on the second connecting seat, the first connecting groove is formed in the live wire female joint seat, the notch of the first connecting groove faces the live wire connecting elastic sheet, and the second connecting block is arranged at the end part, far away from the live wire connecting elastic sheet, of the live wire female joint seat;

the zero line connecting unit comprises a zero line male joint and a third connecting block, the third connecting block is fixedly arranged on the first connecting seat, one end of the zero line male joint is fixedly connected with the third connecting block, the other end of the zero line male joint extends into the first open cavity, the elastic deformation groove is formed in the zero line male joint along the axial direction of the zero line male joint and divides the zero line male joint into at least two groups of zero line connecting elastic sheets; the zero line mounting unit comprises a zero line female connecting seat and a fourth connecting block, the zero line female connecting seat is fixedly arranged on the second connecting seat, the second connecting groove is formed in the zero line female connecting seat, a notch of the second connecting groove faces towards the zero line connecting elastic sheet, and the fourth connecting block is arranged at the end part, far away from the zero line connecting elastic sheet, of the zero line female connecting seat;

the fire wire connecting elastic pieces are obliquely arranged along the central axis of the fire wire male connector, and are uniformly distributed around the central axis of the fire wire male connector to form a conical cylindrical structure for elastically clamping the first connecting groove; all zero line connection shell fragment is followed the axis slope setting of zero line male joint, zero line connection shell fragment centers on the axis evenly distributed of zero line male joint is in order to form and is used for the elasticity joint the awl tubular structure of first connecting groove.

5. The power transfer plug mechanism of claim 2, wherein: the first mounting groove, the second mounting groove, the fourth mounting groove and the fifth mounting groove are internally provided with stress deformation compensation structures used for correspondingly increasing the structural strength of the first connecting seat and the first connecting platform.

6. The power transfer plug mechanism of claim 2, wherein: keep away from in the third mounting groove the tip of first opening die cavity is provided with stair structure, signal needle linkage unit is including connecting needle body and mount pad, the mount pad sets up in the third mounting groove, connect the one end of needle body with mount pad fixed connection, the other end of connecting the needle body extends to just be used for the joint adaptation in the first opening die cavity the third spread groove.

7. The power transmission plugging mechanism according to any one of claims 1 to 6, wherein: and the outer side walls of the first connecting seat and the second connecting seat are respectively provided with a marking structure for marking corresponding positions of a live wire and a zero wire.

8. The power transmission plugging mechanism according to any one of claims 1 to 6, wherein: and the outer side walls of the first connecting seat and the second connecting seat are provided with stripe structures for increasing the friction coefficient of the side walls.

9. The power transmission plugging mechanism according to any one of claims 1 to 6, wherein: the power transmission plugging mechanism further comprises a first protective cover and a second protective cover, and the first protective cover and the second protective cover are detachably mounted at the end parts of the first connecting seat and the second connecting seat in a covering mode respectively;

wherein, the end parts of the first connecting seat and the second connecting seat far away from the first opening cavity are respectively provided with a first connecting bulge and a second connecting bulge which are used for positioning and connecting a first protective cover and a second protective cover, the first protective cover is provided with a first abdicating cavity for avoiding the gap among the live wire connecting unit, the zero wire linking unit and the signal needle connecting unit, the second protective cover is provided with a second abdicating cavity for avoiding the live wire installation unit, the zero wire installation unit and the signal needle installation unit, the first abdicating cavity and the second abdicating cavity are respectively used for clamping and adapting the first connecting bulge and the second connecting bulge, first protective cover and second protective cover are gone up to be provided with the intercommunication respectively first die cavity of stepping down with the second steps down the first wiring hole and the second wiring hole of die cavity.

10. The power transfer plug mechanism of claim 9, wherein: first connect protruding with the second is connected and is provided with respectively on the bellied circumference lateral wall and extends bellied joint piece toward the outside, first die cavity of stepping down with the second steps down and all is provided with on the die cavity and is used for the joint adaptation the draw-in groove of joint piece.