CN219979447U

CN219979447U - Current relay rupture disc connecting device

Info

Publication number: CN219979447U
Application number: CN202320930137.1U
Authority: CN
Inventors: 甘小青; 叶亦朝; 叶建朋
Original assignee: Chongqing Jianmao Electronic Connector Co ltd
Current assignee: Chongqing Jianmao Electronic Connector Co ltd
Priority date: 2023-04-23
Filing date: 2023-04-23
Publication date: 2023-11-07
Anticipated expiration: 2033-04-23

Abstract

The utility model discloses a current relay rupture disc connecting device. The utility model relates to a current relay safety piece connecting device, which comprises a nylon frame body buckled with a relay, wherein a groove is formed in the nylon frame body; the conducting strip is used for being electrically connected with the current relay and is embedded into the nylon frame body; pins for electrically connecting with the safety sheet, the pins being positioned in the grooves and electrically connected with the conductive sheet; the copper piece is fixed on the pin, and a first jack in interference fit with the safety piece is formed between the copper piece and the pin; the nylon auxiliary plug connector is fixed on the nylon frame body and positioned in the groove, a second jack which is plugged with the safety piece is formed in the nylon auxiliary plug connector, the first jack is positioned in the second jack, and the safety piece is contacted with the pins to form an electric path to carry out current protection on the current relay. When the safety piece is inserted into the first jack, the copper piece is extruded, and the copper piece deforms to generate elasticity to clamp the safety piece, so that the effect of preventing the safety piece from loosening is achieved.

Description

Current relay rupture disc connecting device

Technical Field

The utility model belongs to the technical field of electric devices, and particularly relates to a current relay rupture disc connecting device.

Background

In modern electrical control systems, current relays are widely used for protecting electromechanical devices such as motors, and in order to adapt to safety purposes, current relays are additionally provided with a safety disc for protecting the current relay, and when the current of the relay is too large, the safety disc is fused.

However, the safety disc is a disposable part, and the structure of the safety disc on the relay is generally designed to be detachably connected under the reason of economic cost. However, the detachable safety piece with the plug-in structure has the problem of unstable plug-in.

Disclosure of Invention

The utility model provides a current relay safety piece connecting device which solves the problem that a safety piece with a detachable plug-in structure for controlling a current relay is unstable in plug-in.

In order to solve the technical problems, the utility model adopts the basic conception of the technical scheme that: the current relay safety piece connecting device comprises a nylon frame body which is buckled with a relay, wherein a groove is formed in the nylon frame body;

the conducting strip is used for being electrically connected with the current relay and is embedded into the nylon frame body;

the pins are electrically connected with the safety piece, are positioned in the grooves and are electrically connected with the conductive piece;

the copper piece is fixed on the pin, and a first jack in interference fit with the safety piece is formed between the copper piece and the pin;

and the nylon auxiliary plug connector is fixed on the nylon frame body and positioned in the groove, a second jack which is plugged with the safety piece is formed in the nylon auxiliary plug connector, and the first jack is positioned in the second jack.

After the technical scheme is adopted, compared with the prior art, the utility model has the following beneficial effects:

(1) The conducting strip is electrically connected with the current relay, the safety strip is inserted from the second jack of the nylon auxiliary plug connector, the nylon auxiliary plug connector holds the safety strip main body part, the contact of the safety strip is synchronously inserted into the first jack formed by the copper piece and the pins, and the safety strip is contacted with the pins to form an electric path to protect the current relay. When the safety piece is inserted into the first jack, the copper piece is extruded, and the copper piece deforms to generate elasticity to clamp the safety piece, so that the effect of preventing the safety piece from loosening is achieved.

(2) Compared with a main safety sheet of a card, the main safety sheet of the utility model is clamped by using a metal material of a copper piece, and the main safety sheet of the card is clamped by using an insulating nylon shell, so that the fatigue resistance of the safety sheet under the condition of multiple plugging, extrusion and friction of the safety sheet is better, and the safety sheet has the effect of long service life.

The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. It is evident that the drawings in the following description are only examples, from which other drawings can be obtained by a person skilled in the art without the inventive effort. In the drawings:

FIG. 1 is an exploded view of a current relay rupture disc of the present utility model;

FIG. 2 is a schematic view of a current relay rupture disc according to the present utility model;

FIG. 3 is a schematic view of a nylon frame in a current relay rupture disc according to the present utility model;

FIG. 4 is a schematic view of the structure of a copper piece in a current relay rupture disc according to the present utility model;

FIG. 5 is a schematic view of a nylon auxiliary plug in a current relay rupture disc according to the present utility model;

FIG. 6 is a schematic view of a nylon auxiliary plug in a current relay rupture disc according to another embodiment of the present utility model;

in the figure: 100-current relay safety piece connecting device, 10-nylon support body, 11-recess, 12-second draw-in groove, 20-conducting strip, 21-round hole, 30-pin, 40-copper piece, 41-guide piece, 42-first fastener, 50-first jack, 60-nylon auxiliary plug connector, 61-baffle, 611-cross hole, 62-first draw-in groove, 63-division board, 64-second fastener, 70-second jack, 80-third draw-in groove.

It should be noted that these drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by referring to the specific embodiments.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model, but are not intended to limit the scope of the present utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 to 6, a current relay rupture disc connecting device 100 of the present utility model includes a nylon frame body 10 fastened with a relay, and a groove 11 is formed on the nylon frame body 10;

and a conductive sheet 20 for electrically connecting with the current relay, the conductive sheet 20 being embedded in the nylon frame 10;

and a pin 30 for electrically connecting with the rupture disc, the pin 30 being positioned in the groove 11 and electrically connected with the conductive sheet 20;

and a copper piece 40 fixed on the pin 30, wherein a first insertion hole 50 in interference fit with the safety piece is formed between the copper piece 40 and the pin 30;

and the nylon auxiliary plug-in connector 60 is fixed on the nylon frame body 10 and positioned in the groove 11, the nylon auxiliary plug-in connector 60 is provided with a second jack 70 which is plugged with the safety piece, and the first jack 50 is positioned in the second jack 70.

During implementation, the nylon frame body 10 is buckled on the current relay, the conducting strip 20 is fixed on a binding post of the current relay through a stud, one end, far away from the current relay, of the conducting strip 20 is embedded into the nylon frame body 10 to achieve the purpose of insulation separation, the conducting strip 20 is connected with the pins 30, the pins 30 are used for being connected with the safety strip, when the current in the current relay is too large, the current is transmitted to the pins 30 through the conducting strip 20 and is transmitted to the safety strip, and when the current exceeds a current threshold value set by the safety strip, the current is fused, so that the effect of protecting the current relay is achieved. The pin 30 is fixedly sleeved with a copper piece 40, a first insertion hole 50 is formed between the surface of the copper piece 40 and the surface of the pin 30, the width of the first insertion hole 50 is smaller than the thickness of the safety piece contact, when the safety piece is inserted into the first insertion hole 50 to realize interference fit, the copper piece 40 deforms to generate elastic force applied to the safety piece to stabilize the safety piece. When the safety piece is inserted into the second insertion hole 70 of the nylon auxiliary plug 60, the first insertion hole 50 is also inserted, and the main body part of the safety piece is supported by the nylon auxiliary plug 60.

Thus, the safety piece is inserted from the second insertion hole 70 of the nylon auxiliary plug 60 through the electric connection between the conductive piece 20 and the current relay, the nylon auxiliary plug 60 pulls the main body of the safety piece, and the contact of the safety piece is synchronously inserted into the first insertion hole 50 formed by the copper piece 40 and the pin 30, and the safety piece forms an electric path to protect the current relay by contacting with the pin 30. When the safety piece is inserted into the first insertion hole 50, the copper piece 40 is extruded, and the copper piece 40 deforms to generate elastic force to clamp the safety piece, so that the effect of preventing the safety piece from loosening is achieved.

And, through using the metal material of copper piece 40 to be more than card owner's rupture disc, the nylon shell that is relatively insulating is card owner, plays the fatigue resistance under many times rupture disc grafting extrusion friction better, has long service life's effect.

Further, the copper piece 40 is sleeved on the pin 30, the copper piece 40 is buckled on the nylon auxiliary plug 60 and is positioned in the second jack 70, and the nylon auxiliary plug 60 is buckled with the nylon frame body 10

In practice, since the copper piece 40 is a small-sized part mounted in the second insertion hole 70 of the nylon auxiliary plug 60, if it is integrally manufactured with the pin 30, the manufacturing process is complicated.

In this way, the copper piece 40, the pin 30 and the nylon auxiliary plug 60 are detachably connected to each other. During installation, the copper piece 40 is clamped in the second jack 70 of the nylon auxiliary plug connector 60, then the nylon auxiliary plug connector 60 is buckled on the nylon frame body 10, meanwhile, the copper piece 40 is fixedly sleeved on the pin 30, and the manufacturing process difficulty is reduced.

Further, a baffle 61 is integrally arranged on the nylon auxiliary plug connector 60, the baffle 61 is positioned in the second jack 70, a cross hole 611 is also formed on the baffle 61, the opening extending direction of the cross hole 611 is consistent with the opening extending direction of the second jack 70, and one end of the copper piece sheet 40 far away from the conducting sheet 20 is abutted against the baffle 61;

the nylon auxiliary plug connector 60 is further provided with a first clamping groove 62, the copper piece 40 is integrally provided with a first clamping piece 42, and the first clamping piece 42 is buckled in the first clamping groove 62.

Thus, when the copper piece 40 is sleeved into the pin 30, the pin 30 limits the movement of the copper piece 40 in the radial direction, and then the baffle 61 limits the movement of the copper piece 40 in the axial extending direction, so that the copper piece 40 is fixedly sleeved on the pin 30.

And the cross hole 611 formed on the baffle 61 does not influence the insertion of the safety piece into contact with the pin 30; the first card slot 62 is engaged with the first card, and engagement between the nylon auxiliary plug 60 and the copper piece 40 is achieved.

Further, the nylon frame 10 is provided with a second clamping groove 12, the nylon auxiliary plug connector 60 is integrally provided with a second clamping piece 64, and the second clamping piece 64 is buckled in the second clamping groove 12.

In this way, the nylon auxiliary plug 60 is engaged with the nylon frame 10.

Further, at least two pins 30 are provided, and a partition plate 63 is integrally provided on the nylon auxiliary plug 60, and the partition plate 63 is located between the two pins 30.

In practice, the partition plate 63 is also made of nylon plastic, which has the effect of insulating the pins 30 from each other.

Further, the copper piece 40 is integrally provided with a guide piece 41, the guide piece 41 is positioned on one side of the copper piece 40 facing the safety piece, and the guide piece 41 is inclined towards the side far away from the pin 30.

Thus, by providing the guide piece 41, the insertion of the rupture disc can be guided, so that the rupture disc can be inserted into the first insertion hole 50 more smoothly.

Further, the end of the guiding piece 41 away from the copper piece 40 abuts against the bottom of the first clamping groove 62, and the end of the guiding piece 41 away from the copper piece 40 and the end of the first clamping piece 42 away from the copper piece 40 are located on the same horizontal line.

In this way, the guide piece 41 and the first clamping piece 42 are abutted against the bottom of the first clamping groove 62, so that the thickness of the first insertion hole 50 is uniform, and the problem of difficult insertion of the safety piece is avoided.

Further, the pins 30 and the copper piece 40 protrude into the cross holes 611 at one end toward the side of the baffle 61.

Thus, the cross hole 611 can limit the deformation degree of the pin 30 and the copper piece 40, and avoid the deformation of the pin from being unrestrained during the insertion of the rupture disc, which results in the elastic deformation becoming unrecoverable plastic deformation.

Further, a round hole 21 is formed at one end of the conductive sheet 20 extending out of the nylon frame body 10.

In this way, the guide piece 41 can be connected with the current relay, and the stud standard can be used for fixing conveniently.

Further, a third clamping groove 80 buckled with the current relay is arranged on the nylon frame body 10.

In this way, a mechanically secure connection of the current relay rupture disc connection device 100 to the current relay may be facilitated.

The foregoing is merely a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but the present utility model has been disclosed in the preferred embodiment, however, it is not limited thereto, and any person skilled in the art can make some changes or modifications to the equivalent embodiments without departing from the scope of the technical solution of the present utility model, and the embodiments in the foregoing embodiments can be further combined or replaced without departing from the scope of the technical solution of the present utility model, and any simple modification, equivalent change and modification made to the foregoing embodiments according to the technical embodiment of the present utility model still fall within the scope of the present utility model.

Claims

1. A current relay rupture disc connecting device is characterized in that: the relay comprises a nylon frame body which is buckled with a relay, wherein a groove is formed in the nylon frame body;

the pins are positioned in the grooves and are electrically connected with the conductive sheets;

and the nylon auxiliary plug-in connector is fixed on the nylon frame body and positioned in the groove, a second jack which is plugged with the safety piece is formed in the nylon auxiliary plug-in connector, and the first jack is positioned in the second jack.

2. The current relay rupture disc connection device of claim 1, wherein: the copper piece is sleeved on the pin, the copper piece is buckled on the nylon auxiliary plug connector and is positioned in the second jack, and the nylon auxiliary plug connector is buckled with the nylon frame body.

3. The current relay rupture disc connection device of claim 2, wherein: the nylon auxiliary plug connector is integrally provided with a baffle plate, the baffle plate is positioned in the second jack, the baffle plate is also provided with a cross hole, the opening extending direction of the cross hole is consistent with that of the second jack, and one end of the copper piece far away from the conducting piece is propped against the baffle plate;

the nylon auxiliary plug connector is characterized in that a first clamping groove is further formed in the nylon auxiliary plug connector, a first clamping piece is integrally arranged on the copper piece, and the first clamping piece is buckled in the first clamping groove.

4. A current relay rupture disc connection device according to claim 3, wherein: the nylon frame body is provided with a second clamping groove, the nylon auxiliary plug-in connector is integrally provided with a second clamping piece, and the second clamping piece is buckled in the second clamping groove.

5. The current relay rupture disc connection device of claim 1, wherein; the number of the pins is at least two, the nylon auxiliary plug connector is also integrally provided with a separation plate, and the separation plate is positioned between the two pins.

6. The current relay rupture disc connection apparatus of claim 4 wherein: the copper piece is integrally provided with a guide piece, the guide piece is positioned on one side of the copper piece, which faces the safety piece, and the guide piece is inclined towards one side, which is far away from the pins.

7. The current relay rupture disc connection apparatus of claim 6 wherein: one end of the guide piece, which is far away from the copper piece, is abutted against the bottom of the first clamping groove, and one end of the guide piece, which is far away from the copper piece, and one end of the first clamping piece, which is far away from the copper piece, are positioned on the same horizontal line.

8. The current relay rupture disc connection apparatus of claim 7 wherein: the pins and one end of the copper piece, which faces one side of the baffle plate, extend into the cross holes.

9. The current relay rupture disc connection apparatus of claim 8, wherein: and a round hole is formed in one end of the conducting strip extending out of the nylon frame body.

10. The current relay rupture disc connection apparatus of claim 9 wherein: and a third clamping groove buckled with the current relay is formed in the nylon frame body.