CN109301608B - High electric power supply unit of security - Google Patents

Abstract

The invention discloses a high-safety electric power supply device, which comprises a plug and a socket, wherein the plug comprises an insulator, a contact pin and a lead, the socket comprises a base body and a spring plate, the socket also comprises a base core, a guide hole is formed in the socket, the base core is arranged in the guide hole, a cover plate is arranged at the opening of the guide hole, and jacks corresponding to the appearance of the insulator are formed in the cover plate and the base core; the side surface of the seat core is provided with a marble groove b, the inner wall of the guide hole is provided with a marble groove a, a marble a is arranged in the marble groove b, a spring and a marble b are arranged in the marble groove a, the spring is arranged at the bottom of the marble groove a, when the seat core is attached to the cover plate, the marble groove b is right opposite to the marble groove a, the surface of the insulator is provided with a groove, when the insulator is inserted to the bottom of the jack on the seat core, the marble a is positioned in the groove on the insulator, all the marbles a are positioned in the marble groove b, and all the marbles b are positioned in the. The electric power supply device is not easy to loosen, the contact pins are not easy to damage, and the mistaken plugging can be prevented.

Description

High electric power supply unit of security

Technical Field

The invention relates to the technical field of power supply equipment, in particular to a high-safety power supply device.

Background

In the field of power supply, a plug-in device is one of essential accessories on power electrical equipment, and a contact pin of an existing plug-in type plug is exposed, is easy to damage and deform, causes poor contact and is difficult to ensure the stability of electrical connection; the existing structure is not safe enough for some crowds with low safety consciousness and low cognitive ability, for example, children are curious, have heavy exploration heart and are greedy to play, and parents cannot watch the children at any time, so that the people can use metal rods, keys and other objects to insert into the jacks when the families are not paying attention to the existing structure, electric shock accidents can happen due to the actions, great harm can be caused to human bodies, death can be caused when the people are serious, and the traditional plugging device has great potential safety hazards; the plug is poor in stability in the use process, is easy to be dragged and pulled to be affected and loose, leads to poor circuit contact, and affects normal use of electrical equipment.

Disclosure of Invention

Aiming at the defects of the prior art, the invention develops the high-safety electric power supply device which is not easy to loosen, the contact pin is not easy to damage and the error plugging can be prevented.

The technical scheme for solving the technical problem of the invention is as follows: on one hand, the embodiment of the invention provides an electric power supply device with high safety, which comprises a plug and a socket, wherein the plug comprises an insulator, a contact pin and a lead, the contact pin is connected with the lead, the insulator wraps the connection point of the contact pin and the lead, the socket comprises a base body and an elastic sheet, the elastic sheet is arranged in the base body, the elastic sheet is connected with a power transmission line, the socket also comprises a base core, a guide hole is formed in the socket, the base core is arranged in the guide hole, a cover plate is arranged at the opening of the guide hole, jacks corresponding to the appearance of the insulator are formed in the cover plate and the base core, and through holes corresponding to the positions of the; the elastic sheet is arranged at the bottom of the guide hole, and the contact pin corresponds to the elastic sheet in position; the side surface of the seat core is provided with a marble groove b, the inner wall of the guide hole is provided with a marble groove a, a marble a is arranged in the marble groove b, a spring and a marble b are arranged in the marble groove a, the spring is arranged at the bottom of the marble groove a, when the seat core is attached to the cover plate, the marble groove b is right opposite to the marble groove a, the surface of the insulator is provided with a groove, when the insulator is inserted to the bottom of the jack on the seat core, the marble a is positioned in the groove on the insulator, all the marbles a are positioned in the marble groove b, and all the marbles b are positioned in the. The plug further comprises an outer sleeve, the outer sleeve is arranged outside the insulator and is in a cylindrical shape with one end open, the outer sleeve wraps the contact pins, and a groove corresponding to the outer sleeve is formed in the socket. The plug still includes the rand, and the rand setting is provided with the round draw-in groove on the overcoat, and the overcoat outer wall is provided with the round draw-in groove, and the rand is ring shape, and the rand sets up in the draw-in groove on the overcoat, is provided with the breach on the rand, the socket still includes the dop, and the dop setting is on the socket, and the position of dop corresponds with the breach on the rand. When the plug is used, the retainer ring is rotated, the position of a notch on the retainer ring corresponds to that of a clamping head, then the insulator is inserted into the jack on the base core, when the insulator is inserted into the bottom of the jack, the marbles a are all positioned in the marble groove b, the marbles b are all positioned in the marble groove a, the contact pin penetrates through the jack on the base core and is exposed out of the other end of the base core, at the moment, the plug is continuously pressed downwards, the base core starts to move towards the bottom of the guide hole until the contact pin is inserted into the elastic sheet, the retainer ring is rotated, the clamping head is staggered with the notch on the retainer ring, and; when the plug needs to be pulled out, the clamping ring is rotated, the notch on the clamping ring corresponds to the position of the clamping head, and then the plug is pulled out.

Preferably, the two elastic pieces are in a group, the two elastic pieces correspond to one contact pin, the two elastic pieces are symmetrically arranged, and the contact pin is located between the two elastic pieces.

And as optimization, the number of the contact pins is two or three, when two contact pins are used, the contact pins are respectively and correspondingly connected with the zero line and the live line, and when three contact pins are used, the contact pins are respectively and correspondingly connected with the zero line, the live line and the ground wire.

Preferably, the length of the contact pin is smaller than that of the outer sleeve, and the contact pin is completely arranged in the outer sleeve.

Preferably, the number of the clamping heads is at least two, and the clamping heads are uniformly distributed around the cover plate.

Preferably, the springs, the marble a, the marble b, the marble groove a and the marble groove b are arranged in at least two groups.

The effect provided in the summary of the invention is only the effect of the embodiment, not all the effects of the invention, and the technical scheme has the following advantages or beneficial effects:

1. through setting up spring, pellet shot from a slingshot a, pellet shot from a slingshot b, marble groove a, marble groove b, only specific plug can promote the seat core to remove, if other article mistake are inserted, can not realize the condition that pellet shot from a slingshot a is all in marble groove b, pellet shot from a slingshot b is all in marble groove a, and the seat core can block always in the position of laminating with the apron has prevented the mistake and has pegged graft.

2. The contact pin can be protected by arranging the outer sleeve to wrap the contact pin, and the contact pin is prevented from being damaged.

3. The clamping ring and the clamping head are arranged, so that the electric power supply device can be prevented from loosening.

Drawings

Fig. 1 is a general structural view of an insulator inserted into the bottom of a receptacle on a core according to an embodiment of the present invention.

Fig. 2 is a partially enlarged view of the region B in fig. 1.

Fig. 3 is a general block diagram of the plug of the embodiment of the present invention fully inserted into the socket.

Fig. 4 is a front view of a plug in an embodiment of the present invention.

Fig. 5 is a left side view of a plug in an embodiment of the present invention.

Fig. 6 is a sectional view taken along a-a of fig. 5.

Detailed Description

In order to clearly explain the technical features of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings. The following disclosure provides many different embodiments, or examples, for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. It should be noted that the components illustrated in the figures are not necessarily drawn to scale. Descriptions of well-known components and processing techniques and procedures are omitted so as to not unnecessarily limit the invention.

An embodiment of the invention, as shown in fig. 1 to 6, is a high-safety electric power supply device, including a plug 1 and a socket 2, the plug 1 includes an insulator 11, a pin 12 and a wire 13, the pin 12 is connected with the wire 13, the insulator 11 wraps up the connection point of the pin 12 and the wire 13, the socket 2 includes a base 21 and a spring plate 24, the spring plate 24 is arranged inside the base 21, the spring plate 24 is connected with a power transmission line, the socket 2 further includes a base core 22, the socket 2 is provided with a guide hole 211, the base core 22 is arranged in the guide hole 211, an opening of the guide hole 211 is provided with a cover plate 212, the cover plate 212 and the base core 22 are provided with insertion holes corresponding to the appearance of the insulator 11, and the bottom of the insertion holes on the base core 22 is provided with through holes; the elastic sheet 24 is arranged at the bottom of the guide hole 211, and the contact pin 12 corresponds to the elastic sheet 24; the side surface of the seat core 22 is provided with a bullet groove b210, the inner wall of the guide hole 211 is provided with a bullet groove a29, a bullet a27 is arranged in the bullet groove b210, a spring 26 and a bullet b28 are arranged in the bullet groove a29, the spring 26 is arranged at the bottom of the bullet groove a29, when the seat core 22 is attached to the cover plate 212, the bullet groove b210 is right opposite to the bullet groove a29, the surface of the insulator 11 is provided with a groove, when the insulator 11 is inserted to the bottom of the insertion hole in the seat core 22, the bullets a27 are positioned in the groove on the insulator 11, the bullets a27 are all positioned in the bullet groove b210, and the bullets b28 are all positioned in the. The plug 1 further comprises an outer sleeve 14, the outer sleeve 14 is arranged outside the insulator 11, the outer sleeve 14 is cylindrical with one end open, the outer sleeve 14 wraps the pins 12, and a groove corresponding to the outer sleeve 14 is formed in the socket 2. By providing the outer jacket 14 to surround the pins 12, the pins 12 are protected from damage. Plug 1 still includes rand 15, and rand 15 sets up on overcoat 14, and 14 outer walls of overcoat are provided with the round draw-in groove, and rand 15 is ring shape, and rand 15 sets up in the draw-in groove on overcoat 14, is provided with the breach on rand 15, socket 2 still includes dop 23, and dop 23 sets up on socket 2, and the breach on dop 23's the position and the rand 15 corresponds. The retainer 15 and the chuck 23 are provided to prevent the electric power supply device from loosening. By arranging the spring 26, the marble a27, the marble b28, the marble groove a29 and the marble groove b210, the seat core 22 can be pushed to move only by a specific plug 1, if other objects are inserted by mistake, the situation that all the marbles a27 are in the marble groove b210 and all the marbles b28 are in the marble groove a29 cannot be realized, and the seat core 22 is always clamped at the position jointed with the cover plate 212 to prevent the wrong insertion.

When the plug is used, the clamping ring 15 is rotated, the notch on the clamping ring 15 corresponds to the position of the clamping head 23, then the insulator 11 is inserted into the jack on the seat core 22, when the insulator 11 is inserted into the bottom of the jack, the pins a27 are all positioned in the pin grooves b210, the pins b28 are all positioned in the pin grooves a29, the pins 12 penetrate through the jack on the seat core 22 and are exposed out of the other end of the seat core 22, at the moment, the plug 1 is continuously pressed downwards, the seat core 22 starts to move towards the bottom of the guide hole 211 until the pins 12 are inserted into the elastic sheets 24, the clamping head 23 is staggered with the notch on the clamping ring 15 by rotating the clamping ring 15, and the clamping head 23 presses the clamping ring 15 to prevent; when the plug 1 needs to be pulled out, the clamping ring 15 is rotated to enable the notch on the clamping ring 15 to correspond to the position of the clamping head 23, and then the plug 1 is pulled out.

The two elastic pieces 24 are in a group, the two elastic pieces 24 correspond to one pin 12, the two elastic pieces 24 are symmetrically arranged, and the pin 12 is located between the two elastic pieces 24.

Two pins 12 are arranged, and the two pins 1 are correspondingly connected with a zero line and a live line respectively.

The number of the clamping heads 23 is at least two, and the clamping heads 23 are uniformly distributed around the cover plate 212.

At least two groups of springs 26, pins a27, pins b28, pin grooves a29 and pin grooves b210 are arranged.

Although the embodiments of the present invention have been described with reference to the accompanying drawings, the scope of the present invention is not limited thereto, and various modifications and variations which do not require inventive efforts and which are made by those skilled in the art are within the scope of the present invention.

Claims (1)

1. The utility model provides a high electric power supply unit of security, includes plug (l), socket (2), plug (1) includes insulator (11), contact pin (12), wire (13), contact pin (12) connecting wire (13), insulator (11) parcel contact pin (12) and the tie point of wire (13), socket (2) are including pedestal (21), shell fragment (24) set up inside pedestal (21), the power transmission line is connected in shell fragment (24), characterized by: the socket (2) further comprises a base core (22), a guide hole (211) is formed in the socket (2), the base core (22) is arranged in the guide hole (211), a cover plate (212) is arranged at an opening of the guide hole (211), jacks corresponding to the appearance of the insulator (11) are formed in the cover plate (212) and the base core (22), and through holes corresponding to the positions of the contact pins (12) are formed in the bottoms of the jacks in the base core (22); the elastic sheet (24) is arranged at the bottom of the guide hole (211), and the contact pin (12) corresponds to the elastic sheet (24); a spring slot b (210) is arranged on the side surface of the seat core (22), a spring slot a (29) is arranged on the inner wall of the guide hole (211), a spring a (27) is arranged in the spring slot b (210), a spring (26) and a spring b (28) are arranged in the spring slot a (29), the spring (26) is arranged at the bottom of the spring slot a (29), when the seat core (22) is attached to the cover plate (212), the spring slot b (210) is just opposite to the spring slot a (29), a groove is arranged on the surface of the insulator (11), when the insulator (11) is inserted to the bottom of the upper insertion hole of the seat core (22), the spring a (27) is positioned in the groove on the insulator (11), the spring a (27) is completely positioned in the spring slot b (210), the spring b (28) is completely positioned in the spring slot a (29), the contact pin (12) penetrates through the insertion hole on the seat core (22) and is exposed from the other end of the seat core (22), and the, the seat core (22) starts to move towards the bottom of the guide hole (211) until the contact pin (12) is inserted into the elastic sheet (24); the plug (l) further comprises an outer sleeve (14), the outer sleeve (14) is arranged outside the insulator (11), the outer sleeve (14) is cylindrical, one end of the outer sleeve is opened, the outer sleeve (14) wraps the contact pins (12), and a groove corresponding to the outer sleeve (14) is formed in the socket (2); the length of the contact pin (12) is smaller than that of the outer sleeve (14), and the contact pin (12) is completely positioned in the outer sleeve (14); the plug (l) further comprises a clamping ring (15), the clamping ring (15) is arranged on the outer sleeve (14), a circle of clamping grooves are formed in the outer wall of the outer sleeve (14), the clamping ring (15) is annular, the clamping ring (15) is arranged in the clamping grooves in the outer sleeve (14), notches are formed in the clamping ring (15), the socket (2) further comprises a clamping head (23), the clamping head (23) is arranged on the socket (2), and the positions of the clamping head (23) correspond to the notches in the clamping ring (15); dop (23) set up two at least, dop (23) are around apron (212) evenly distributed: the two elastic pieces (24) are in a group, the two elastic pieces (24) correspond to one contact pin (12), the two elastic pieces (24) are symmetrically arranged, and the contact pin (12) is positioned between the two elastic pieces (24); the two or two contact pins (12) are arranged, when the two contact pins (12) are used, the contact pins (12) are respectively and correspondingly connected with a zero line and a live line, and when the three contact pins (12) are used, the contact pins (12) are respectively and correspondingly connected with the zero line, the live line and a ground wire; at least two groups of springs (26), pins a (27), pins b (28), pin grooves a (29) and pin grooves b (210) are arranged.

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