CN213546219U

CN213546219U - Safety relay with anti-interference structure

Info

Publication number: CN213546219U
Application number: CN202022699354.3U
Authority: CN
Inventors: 雷华锋; 张光
Original assignee: Shenzhen Ruilei Industrial Electric Co ltd
Current assignee: Shenzhen Ruilei Industrial Electric Co ltd
Priority date: 2020-11-19
Filing date: 2020-11-19
Publication date: 2021-06-25
Anticipated expiration: 2030-11-19

Abstract

The utility model discloses a safety relay with anti-interference structure, which comprises a base, an insulating sleeve and a relay, wherein the insulating sleeve is arranged at the upper end of the base, the relay is arranged in the insulating sleeve, the lower end of the surface of the base is respectively provided with a fixed plate and an inserted bar, the surface of the base is provided with a wiring terminal, the upper end of the surface of the base is respectively provided with an inserting slot and an inserting hole, the surface of the inserting slot is provided with a fixed rod and a spring, the lower end of the spring is fixedly connected with a guide rod, the utility model discloses a spring is arranged on the surface of the fixed rod, the spring can transmit the power frequency through a conducting strip, the tightness of the spring is adjusted, the guide rod at the lower end of the spring is generally tightly connected with the connecting line terminals at the two sides of the base, when the, thereby guaranteeing the use safety, also causing the protective action to the equipment, greatly improving the service life.

Description

Safety relay with anti-interference structure

Technical Field

The utility model relates to a relay technical field specifically is a safety relay with anti-interference structure.

Background

The solid-state relay is a non-contact relay with a semiconductor control load flowing through a solid-state switch, an input end of the solid-state relay forms an optical coupler by utilizing semiconductor circuits such as a light-emitting diode, a transistor and a power transistor, a silicon controlled rectifier or a three-terminal bidirectional silicon controlled rectifier switching element at an output end is triggered by an internal control circuit so as to conduct load current, the solid-state relay can conduct high-voltage and high-power output current after receiving low-voltage direct current or alternating current signal input, and therefore input and output can be isolated and high-power output current can be controlled.

The general relay receives external sound wave interference easily when using, leads to relay and sound wave to produce resonance, makes relay inner structure produce not hard up, influences normal use, and current relay mostly does not possess the security, leads to burning out easily under the unstable condition of voltage sometimes, has certain danger.

Therefore, it is desirable to provide a technical solution for a safety relay with an anti-interference structure to solve the problems in the prior art.

SUMMERY OF THE UTILITY MODEL

To the defect that above-mentioned prior art exists, the utility model aims to provide a safety relay with anti-interference structure prevents the interference of external sound wave, avoids relay and sound wave to produce resonance, prevents that relay inner structure from producing not hard up for normal use, simultaneously, has guaranteed the security of using under the unstable condition of voltage.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a safety relay with anti-interference structure, includes base, insulating cover and relay, the base upper end is provided with insulating cover, the inside relay that is provided with of insulating cover, base surface lower extreme is provided with fixed plate and inserted bar respectively, the base surface is provided with binding post, the binding post surface is provided with the hole, the inside internal thread that is provided with of hole, the inside threaded connection of hole has the screw, base surface upper end is provided with slot and jack respectively, the slot surface is provided with dead lever and spring, dead lever surface sliding connection has the spring, spring lower extreme fixedly connected with guide arm.

As a further aspect of the present invention: the inside inductance coil that is provided with of relay, the inside iron core that is provided with of inductance coil, the inside both sides fixedly connected with iron core of relay, the inductance coil lower extreme is provided with armature.

As a further aspect of the present invention: the relay is characterized in that the lower end of the surface of the relay is provided with four conducting strips, the conducting strips penetrate through the relay, and the lower end of the surface of the armature is fixedly connected with the conducting strips.

As a further aspect of the present invention: the fan is characterized in that an exhaust fan is arranged at the upper end of the inner part of the insulating sleeve, a motor is arranged in the exhaust fan, and the lower end of the motor is connected with fan blades in a transmission mode.

As a further aspect of the present invention: binding post, hole, internal thread, screw and slot all are provided with four, four the equal fixed connection of binding post is in base surface both sides.

As a further aspect of the present invention: the inserted bar is equipped with two, four the equal fixed connection of inserted bar is in fixed plate surface.

As a further aspect of the present invention: the relay surface lower extreme is provided with the fixed column, the fixed column outside block is connected with the jack.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up the spring on the dead lever surface, the spring can pass the electric frequency that the conducting strip conveyed, the elasticity of adjusting spring, guide arm and the base both sides line terminal of spring lower extreme are closely connected under the general condition, when the voltage is unstable or surpass the voltage that the relay can be adjusted, can contract the spring fast and make guide arm and binding post separate, give the outage, thereby guarantee the security of use, also can cause the guard action to equipment, great improvement life-span of using;

2. the utility model discloses an exhaust fan that sets up through the inside upper end of insulating cover can discharge the produced heat in operation effectively, keeps the inside air smooth, can avoid the interior high temperature to reduce relay life, can effectively protect the safety of internal part through the insulating cover that sets up on the base, the relay surface that sets up inside the insulating cover is made by absorbing material, can prevent the interference of external sound wave, prevents that the internal structure of relay from becoming flexible, influences normal use;

3. the utility model discloses a set up the relay, the fixed column block of relay surface lower extreme is connected inside the jack, conveniently dismantles and changes, uses better fixed circuit line that will connect under mutually supporting of hole, internal thread and the screw that the wiring terminal surface set up.

Drawings

Fig. 1 is a cross-sectional view of a safety relay with an anti-jamming structure;

FIG. 2 is a front view of an exhaust fan in a safety relay with an anti-jamming structure;

FIG. 3 is a schematic diagram of a hole in a safety relay with an anti-jamming structure;

fig. 4 is a schematic structural diagram of a jack in a safety relay with an anti-interference structure.

Description of reference numerals:

1. an insulating sleeve; 2. a base; 3. inserting a rod; 4. a fixing plate; 5. a wiring terminal; 6. a screw; 7. a hole; 8. a relay; 9. an exhaust fan; 10. a motor; 11. a fan blade; 12. an iron core; 13. an inductor coil; 14. an armature; 15. a conductive sheet; 16. fixing the rod; 17. a spring; 18. a guide bar; 19. a jack; 20. Fixing a column; 21. a slot; 22. an internal thread.

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

The terms "including" and "having," and any variations thereof, in the description and claims of the invention and the above description of the drawings are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and in the claims, or in the drawings, are used for distinguishing between different objects and not necessarily for describing a particular sequential or chronological order. In the specification and claims of the present invention or in the drawings, directional terms such as "upper", "lower", "left", "right", "front", "rear", "side" and the like are used for relative positional description with respect to the drawings provided, and are not used to describe a specific order of actual products.

Referring to fig. 1-4, in the embodiment of the present invention, a safety relay with an anti-interference structure includes a base 2, an insulating sleeve 1 and a relay 8, the insulating sleeve 1 is disposed on the upper end of the base 2, the relay 8 is disposed inside the insulating sleeve 1, a fixing plate 4 and an insertion rod 3 are respectively disposed on the lower end of the surface of the base 2, a connection terminal 5 is disposed on the surface of the base 2, a hole 7 is disposed on the surface of the connection terminal 5, an internal thread 22 is disposed inside the hole 7, a screw 6 is threadedly connected inside the hole 7, a slot 21 and a jack 19 are respectively disposed on the upper end of the surface of the base 2, a fixing rod 16 and a spring 17 are disposed on the surface of the slot 21, the fixing rod 16 and the spring 17 are slidably connected, a guide rod 18 is fixedly connected to the lower end of the spring 17, under general conditions, the guide rod 18 at the lower end of the spring 17 is tightly connected with the wiring terminals 5 on the two sides of the base 2, when the voltage is unstable or exceeds the voltage which can be adjusted by the relay 8, the spring 17 can be quickly contracted to separate the guide rod 18 from the wiring terminals 5, and the power is cut off, so that the use safety is ensured, the protection effect on equipment can be realized, and the service life is greatly prolonged.

As shown in fig. 1, preferably, an inductance coil 13 is arranged inside the relay 8, an iron core 12 is arranged inside the inductance coil 13, the iron core 12 is fixedly connected to both sides inside the relay 8, and an armature 14 is arranged at the lower end of the inductance coil 13.

As shown in fig. 1, preferably, the lower end of the surface of the relay 8 is provided with four conductive sheets 15, the conductive sheets 15 penetrate through the relay 8, and the lower end of the surface of the armature 14 is fixedly connected with the conductive sheets 15.

As shown in fig. 1-2, preferably, the inside upper end of insulating cover 1 is provided with exhaust fan 9, the inside motor 10 that is provided with of exhaust fan 9, the transmission of motor 10 lower extreme is connected with fan blade 11, through the exhaust fan 9 that sets up in the inside upper end of insulating cover 1, can discharge the produced heat in operation effectively, keep the inside air smooth, can avoid inside high temperature to reduce relay 8 life, can protect the safety of internals effectively through insulating cover 1 that base 2 upper end set up, the relay 8 surface of insulating cover 1 inside setting is made by absorbing material, can prevent the interference of external sound wave, prevent that relay 8 inner structure is not hard up, influence normal use.

As shown in fig. 1 and 3, preferably, four connecting terminals 5, four holes 7, four internal threads 22, four screws 6 and four slots 21 are provided, and the four connecting terminals 5 are fixedly connected to two sides of the surface of the base 2.

As shown in fig. 1, preferably, there are two insert rods 3, and four insert rods 3 are fixedly connected to the surface of the fixing plate 4.

As shown in fig. 1, fig. 3 and fig. 4, preferably, relay surface lower extreme is provided with fixed column 20, and the fixed column 20 outside block is connected with jack 19, and through the fixed column 20 block connection that sets up inside jack 19, through setting up relay 8, the fixed column 20 block connection of relay 8 surface lower extreme is inside jack 19, conveniently dismantles and changes, uses better fixed circuit line that will connect under mutually supporting of hole 7, internal thread 22 and the screw 6 that set up through binding post 5 surface.

The utility model discloses a theory of operation is:

when the device is used, the device is connected to the inside of the jack 19 through the fixed column 20 at the lower end of the surface of the relay 8 in a clamping manner and can be conveniently disassembled, the device can be continuously used by replacing one relay 8 under the condition that the base 2 is not damaged, the circuit line to be connected can be better fixed through the mutual matching of the internal thread 22 and the screw 6 through the hole 7 arranged on the surface of the wiring terminal 5, the armature 14 can be controlled to move through electrifying the inserted rod 3 arranged at the lower end of the fixed plate 4, so that the connected circuit is changed, the frequency of electricity is transmitted through the conducting strip 15 and the voltage requirement of the relay 8 is met, the guide rod 18 connected with the lower end of the spring 17 is tightly connected with the lower end of the wiring terminal 5 at two sides of the surface of the base, when the voltage is unstable or exceeds the voltage which can be adjusted by the relay 8, the spring 17 can, avoids causing danger to people, and has simple structure and convenient use.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a safety relay with anti-interference structure, includes base, insulating cover and relay, its characterized in that: the improved base is characterized in that an insulating sleeve is arranged at the upper end of the base, a relay is arranged inside the insulating sleeve, a fixing plate and an insertion rod are arranged at the lower end of the surface of the base respectively, a wiring terminal is arranged on the surface of the base, an internal thread is arranged inside the hole, a screw is connected with the internal thread inside the hole, a slot and an insertion hole are arranged at the upper end of the surface of the base respectively, a fixing rod and a spring are arranged on the surface of the slot, the surface of the fixing rod is slidably connected with the spring, and a guide rod.

2. A safety relay with an anti-jamming structure according to claim 1, characterized in that: the inside inductance coil that is provided with of relay, the inside iron core that is provided with of inductance coil, the inside both sides fixedly connected with iron core of relay, the inductance coil lower extreme is provided with armature.

3. A safety relay with an anti-jamming structure according to claim 2, characterized in that: the relay is characterized in that the lower end of the surface of the relay is provided with four conducting strips, the conducting strips penetrate through the relay, and the lower end of the surface of the armature is fixedly connected with the conducting strips.

4. A safety relay with an anti-jamming structure according to claim 1, characterized in that: the fan is characterized in that an exhaust fan is arranged at the upper end of the inner part of the insulating sleeve, a motor is arranged in the exhaust fan, and the lower end of the motor is connected with fan blades in a transmission mode.

5. A safety relay with an anti-jamming structure according to claim 1, characterized in that: binding post, hole, internal thread, screw and slot all are provided with four, four the equal fixed connection of binding post is in base surface both sides.

6. A safety relay with an anti-jamming structure according to claim 1, characterized in that: the inserted bar is equipped with two, two the equal fixed connection of inserted bar is on the fixed plate surface.

7. A safety relay with an anti-jamming structure according to claim 1, characterized in that: the relay surface lower extreme is provided with the fixed column, the fixed column outside block is connected with the jack.