CN210167573U

CN210167573U - Power transformation relay protection circuit connection joint protection device

Info

Publication number: CN210167573U
Application number: CN201920924731.3U
Authority: CN
Inventors: 邵丹; 刘佳轩; 张庆兵; 王明丽; 崔志杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-19
Filing date: 2019-06-19
Publication date: 2020-03-20
Anticipated expiration: 2029-06-19

Abstract

The utility model discloses a transformer relay protection circuit connection connects protection device, including plug protection box body and interface protection box body, be equipped with the plug on the plug protection box body, the plug protection box body is located and has seted up annular inside groove around the plug, is equipped with the ejection mechanism who is used for protecting the plug in the annular inside groove, and the inside groove left and right sides is equipped with the head rod respectively, is equipped with the interface corresponding with the plug on the interface protection box body, and the draw-in groove has all been seted up to the interface left and right sides, is equipped with the fixed establishment who is used for fixed head rod in the draw-. The utility model discloses compare in current attach fitting protection device can avoid the emergence of the electric shock condition for joint department provides better protection, this device is equipped with fixed establishment moreover, can effectually prevent that the attach fitting from droing.

Description

Power transformation relay protection circuit connection joint protection device

Technical Field

The utility model belongs to the electricity field specifically is a transformer relay protection circuit attach fitting protection device.

Background

The relay protection is an important one of detecting a fault or an abnormal condition occurring in an electric power system to send an alarm signal or directly isolating and removing a fault part, and in the process of relay protection, a cable is generally required to connect devices.

However, the existing connecting plug and the connecting interface have the following defects: 1. after the plug is connected with the connecting port, under the influence of external factors or under the condition that the connecting line is dragged, the plug is easy to separate from the connecting port, so that the connection is interrupted, and equipment damage can be seriously caused; 2. the plug and the socket are connected and then need manual separation, and part of plug and socket are connected too closely, need too big effort when leading to manual separation, and it is very inconvenient to use.

To the problem, the utility model designs a transformer relay protection circuit attach fitting protection device to this solves the above-mentioned problem of proposing.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a transformer relay protection circuit attach fitting protection device, the fixity of overcoming the current attach fitting stub that proposes among the above-mentioned background art from this is general, and the stub all can expose externally moreover, has the problem of electric shock easily.

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a transformer relay protection circuit connection connects protection device, includes plug protection box body and interface protection box body, be equipped with the plug on the plug protection box body, be equipped with the interface corresponding with the plug on the interface protection box body, the plug protection box body is located and has seted up the annular inside groove around the plug, be equipped with the ejection mechanism who is used for protecting the plug in the annular inside groove, the annular inside groove left and right sides is equipped with first joint pole respectively, the draw-in groove has all been seted up to the interface left and right sides, be equipped with the fixed establishment who is used for fixed first joint pole in the draw-in groove.

Preferably, the size between plug and the interface matches, mutually support between plug and the interface.

Preferably, the ejection mechanism comprises a plurality of groups of springs fixedly connected to the bottom of the annular inner groove, the plurality of groups of springs are fixedly mounted on the same annular plate, the annular plate penetrates through the annular inner groove and extends to the outer side of the plug protection box body, and the part, located on the outer side of the plug protection box body, of the annular plate surrounds the plug in the middle.

Preferably, fixed establishment is including setting up the second joint pole in the draw-in groove, fixedly connected with expanding spring on the draw-in groove open-ended inside wall is kept away from to the second joint pole, expanding spring keeps away from the one end fixed connection of second joint pole on the lateral wall of draw-in groove inner, one side fixedly connected with push rod of expanding spring is kept away from to the second joint pole, set up the slip mouth with the inside and outside intercommunication of draw-in groove on the interface protection box body lateral wall, the push rod runs through whole slip mouth and extends to the interface protection box body outside.

Preferably, the plug and the interface are directly and fixedly installed in the box body, and the plug protection box body and the interface protection box body are electrically connected with the external lead.

To sum up, owing to adopted above-mentioned scheme, the beneficial effects of the utility model are that:

the utility model discloses be equipped with fixed establishment in the device outside, when using the plug, can carry out spacing cooperation between two joint bars to reach fixing device's purpose, prevent that the unexpected disconnection of attach fitting from causing the influence to work, can reach the dismantlement purpose through the extrusion push rod when later stage is dismantled, it is simple and convenient.

The utility model discloses seted up the inside groove around the plug outside, be equipped with ejection mechanism in the inside groove, when needs extract the plug from the interface, the annular plate can be under the effect of spring to interface protection box body application of force, help the user light extract the plug.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments 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 that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic top view of the plug protection box of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 1.

In the drawings, the components represented by the respective reference numerals are listed below:

1. the plug protection box comprises a plug protection box body, 2, an interface protection box body, 201, a sliding port, 3, a plug, 4, an annular inner groove, 5, an ejection mechanism, 501, a spring, 502, an annular plate, 6, a first clamping connection rod, 7, an interface, 8, a clamping groove, 9, a fixing mechanism, 901, a second clamping connection rod, 902, a telescopic spring, 903 and a push rod.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, a protection device for a connection joint of a power transformation relay protection circuit comprises a plug protection box body 1 and an interface protection box body 2, friction layers are covered on outer walls of two sides of the lower end of the plug protection box body 1, a plug 3 is arranged on the plug protection box body 1, an interface 7 corresponding to the plug 3 is arranged on the interface protection box body 2, an annular inner groove 4 is formed in the periphery of the plug 3 of the plug protection box body 1, an ejection mechanism 5 used for protecting the plug 3 is arranged in the annular inner groove 4, first clamping connection rods 6 are respectively arranged on the left side and the right side of the annular inner groove 4, clamping grooves 8 are formed in the left side and the right side of the interface 7, and a fixing mechanism 9 used for fixing the first.

Wherein, the plug 3 is matched with the interface 7 in size, the plug 3 is matched with the interface 7, the fixing mechanism 5 comprises a plurality of groups of springs 501 fixedly connected with the bottom of the annular inner groove 4, the plurality of groups of springs 501 are fixedly arranged on the same annular plate 502, when the plug 3 is not used, the annular plate 502 can surround the plug 3 to prevent the electric shock accident caused by the contact of people, when the plug 3 is used, the plug 3 is inserted into the interface 7, the box body beside the interface can extrude the annular plate 502 into the annular inner groove 4, at the moment, the springs can apply reverse elastic force to the annular plate 502 to ensure that the annular plate 502 is closely contacted with the interface protection box body 2 to protect the joint, the annular plate 502 extends to the outer side of the plug protection box body 1 through the annular inner groove 4, the part of the annular plate 502 positioned at the outer side of the plug protection box body 1 can enclose the plug 3 in the middle, the fixing mechanism 9 comprises a second clamping rod 901 arranged in the clamping groove 8, an expansion spring 902 is fixedly connected on the inner side wall of the opening of the clamping groove 8, which is far away from the second clamping rod 901, of the second clamping rod 901, one end of the expansion spring 902, which is far away from the second clamping rod 901, is fixedly connected on the inner side wall of the clamping groove 8, the first clamping rod 6 extrudes the second clamping rod 901 to enter the annular inner groove 4, the expansion spring 902 can apply an elastic force to the second clamping rod 901 to push the second clamping rod 901 back to the original position, then the first clamping rod 6 and the second clamping rod 901 are in spacing fit, so that the plug protection box body 1 and the interface protection box body 2 are fixed together, a push rod 903 is fixedly connected on one side of the second clamping rod 901, which is far away from the expansion spring 902, a sliding port 201 communicated with the inside and outside of the clamping groove 8 is arranged on the side wall of the interface protection box body 2, when the plug 3 is pulled out, the push rod 903 is squeezed by two hands to push the second connecting rod 901, the limitation on the first connecting rod 6 is removed, then the plug 3 is pulled out, the plug 3 and the interface 7 are directly and fixedly installed in the box body, and the plug protection box body 1 and the interface protection box body 2 are electrically connected with an external lead.

The working principle is as follows: when the utility model is used, firstly, the wires to be connected are respectively connected with the plug protection box body 1 and the interface protection box body 2, the annular plate 502 can surround the plug 3 to prevent the electric shock accident caused by the contact of people, then the plug 3 is inserted into the interface 7, in the inserting process, the interface protection box body 2 beside the interface 7 can extrude the annular plate 502, but the spring 501 can apply a reverse elastic force to the annular plate 502 to ensure that the annular plate 502 can be in close contact with the box body to continue to protect the joint, in the process, the first clamping rod 6 extrudes the second clamping rod 901 to enter the clamping groove 8, the extension spring 902 can apply an elastic force to the second clamping rod 901 to push the second clamping rod 901 back to the original position, then the first clamping rod 6 can be in spacing fit with the second clamping rod 901, and further the plug protection box body 1 and the interface protection box body 2 are fixed together to avoid the accidental falling off, when the plug 3 is to be pulled out, the push rod 903 is squeezed by two hands to push the second connecting rod 901, the limitation on the first connecting rod 6 is removed, the annular plate 502 is popped out under the elastic force of the spring 501, and force is applied to the interface protection box body 2 to assist a user to pull out the plug 3.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a transformer relay protection circuit attach fitting protection device, includes plug protection box body (1) and interface protection box body (2), be equipped with plug (3) on plug protection box body (1), be equipped with on interface protection box body (2) with corresponding interface (7) of plug (3) position, its characterized in that: the plug protection box comprises a plug protection box body (1), wherein an annular inner groove (4) is formed in the periphery of the plug (3), an ejection mechanism (5) used for protecting the plug (3) is arranged in the annular inner groove (4), first clamping rods (6) are arranged on the left side and the right side of the annular inner groove (4) respectively, clamping grooves (8) are formed in the left side and the right side of an interface (7), and fixing mechanisms (9) used for fixing the first clamping rods (6) are arranged in the clamping grooves (8).

2. The protection device for the connection joint of the power transformation relay protection circuit according to claim 1, characterized in that: the size between plug (3) and interface (7) matches, cooperate each other between plug (3) and the interface (7).

3. The protection device for the connection joint of the power transformation relay protection circuit according to claim 1, characterized in that: the ejection mechanism (5) comprises a plurality of groups of springs (501) fixedly connected to the bottom of the annular inner groove (4), the springs (501) are fixedly mounted on the same annular plate (502), the annular plate (502) penetrates through the annular inner groove (4) and extends to the outer side of the plug protection box body (1), and the part, located on the outer side of the plug protection box body (1), of the annular plate (502) encloses the plug (3) in the middle.

4. The protection device for the connection joint of the power transformation relay protection circuit according to claim 1, characterized in that: the fixing mechanism (9) comprises a second clamping rod (901) arranged in the clamping groove (8), the second clamping rod (901) is far away from the inner side wall of the opening of the clamping groove (8), an expansion spring (902) is fixedly connected to the inner end side wall of the clamping groove (8) through the expansion spring (902), one end of the expansion spring (902) far away from the second clamping rod (901) is fixedly connected to the side wall of the inner end of the clamping groove (8), a push rod (903) is fixedly connected to one side of the second clamping rod (901) far away from the expansion spring (902), a sliding opening (201) communicated with the inside and the outside of the clamping groove (8) is formed in the side wall of the interface protection box body (2), and the push rod (903) penetrates through the whole sliding opening (201.

5. The protection device for the connection joint of the power transformation relay protection circuit according to claim 1, characterized in that: the plug (3) and the interface (7) are directly and fixedly arranged in the box body, and the plug protection box body (1) and the interface protection box body (2) are electrically connected with an external lead.