CN213025959U

CN213025959U - Self-locking relay

Info

Publication number: CN213025959U
Application number: CN202021407412.4U
Authority: CN
Inventors: 吴颂仁
Original assignee: XIAMEN TAISONG PRECISION ELECTRONICS CO Ltd
Current assignee: XIAMEN TAISONG PRECISION ELECTRONICS CO Ltd
Priority date: 2020-07-16
Filing date: 2020-07-16
Publication date: 2021-04-20
Anticipated expiration: 2030-07-16

Abstract

The utility model provides a from locking-type relay relates to the relay field, from locking-type relay, which comprises a housin, two baffles of inside fixed connection of casing, the top and the bottom of baffle are the top lateral wall and the bottom lateral wall of fixed connection casing respectively, fixed connection backup pad between two baffles, the inside fixed connection guide rail of one end of baffle, the inside bottom fixed connection seal shell of casing, the internally mounted of seal shell has the electro-magnet, be provided with first leaf spring and second leaf spring between the inner wall of baffle and casing, the one end lateral wall at the casing is all installed to first leaf spring and second leaf spring. The utility model discloses in drive the first contact of second contact and first leaf spring through the second leaf spring and break away from, once switch on the outage through the electro-magnet, let normally open contact portion keep closed or disconnection, facilitate the use, through baffle and shells inner wall, conveniently block the piece that the contact produced, make things convenient for clastic collection through the collecting vat and collection box, the practicality is high.

Description

Self-locking relay

Technical Field

The utility model relates to a relay field especially relates to from locking-type relay.

Background

The relay is an electric control device, when the change of input quantity (exciting quantity) reaches the specified requirement, it makes the controlled quantity produce the predetermined step change in the electric output circuit, it has the interactive relation between the control system (also called input circuit) and the controlled system (also called output circuit), usually applied to the automatic control circuit, it is actually an "automatic switch" which uses small current to control the large current operation, so it plays the role of automatic regulation, safety protection, switching circuit, etc. in the circuit.

The existing electromagnetic relay is generally composed of an iron core, a coil, an armature, a contact spring and the like. As long as a certain voltage is added at the two ends of the coil, a certain current flows in the coil, so that an electromagnetic effect is generated, the armature overcomes the pulling force of the return spring under the action of electromagnetic force attraction and is attracted to the iron core, so that the moving contact of the armature is driven to be attracted with the fixed contact (normally open contact), namely, the coil needs to be continuously electrified, the armature attraction can be kept to enable the relay to work, the existing electromagnetic relay can cause the problem that the electric energy consumption is high due to long-term electrification of the coil, the service life of the coil is short, when the fixed contact is in contact with the moving contact, metal fragments are easy to form and splash out, the temperature of the fragments is higher, the fragments are not directionally splashed in the device, the parts in the device are easy to melt and damage, and the service life of the device is influenced. The utility model provides a from locking-type relay solves above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a from locking-type relay to solve above-mentioned technical problem.

The utility model discloses a solve above-mentioned technical problem, adopt following technical scheme to realize: the self-locking relay comprises a shell, wherein two clapboards are fixedly connected inside the shell, the top ends and the bottom ends of the clapboards are respectively and fixedly connected with the side wall of the top end and the side wall of the bottom end of the shell, a supporting plate is fixedly connected between the two clapboards, and a guide rail is fixedly connected inside one end of each clapboard;

the inside bottom fixed connection sealed shell of casing, the internally mounted of sealed shell has the electro-magnet, be provided with first leaf spring and second leaf spring between the inner wall of baffle and casing, the one end lateral wall at the casing is all installed to first leaf spring and second leaf spring.

Preferably, the inside of backup pad is opened there is the through-hole, the inside sliding connection movable rod of through-hole, the top fixed connection limiting plate of movable rod, the one end of the first spring of bottom fixed connection of limiting plate, the top lateral wall of the other end fixed connection backup pad of first spring, first spring cup joints in the top outside of movable rod.

Preferably, fixed cover has been cup jointed to the bottom of movable rod, the both ends lateral wall of fixed cover all rotates the one end of connecting the connecting rod through the pivot, inside the other end of connecting rod rotated the one end of connecting the slider through the pivot, slider sliding connection guide rail.

Preferably, the one end of the one end lateral wall fixed connection push rod of slider, the other end of push rod runs through the inside and the fixed connection push pedal of guide rail, the push pedal is located the opposite side of baffle, the second spring is cup jointed in the outside of push rod, the one end lateral wall of the one end fixed connection slider of second spring, the inner wall of the other end fixed connection guide rail of second spring.

Preferably, the positive terminal is installed to the one end lateral wall of sealed shell, negative terminal is installed to the other end lateral wall of sealed shell, the inside electro-magnet of sealed shell is connected with armature cooperation, armature fixed connection is at the bottom lateral wall of movable rod.

Preferably, one end of the first plate spring and one end of the second plate spring are respectively fixedly connected with a first contact and a second contact, the first plate spring and the second plate spring are arranged in parallel, the first contact and the second contact are connected in a matched mode, collecting grooves are formed in the bottoms of the first plate spring and the second plate spring, and the collecting boxes are connected to the inner portions of the collecting grooves in a sliding mode.

The utility model has the advantages that:

in the utility model, the distribution of the positive terminal and the negative terminal is electrically connected with the positive and negative electrodes of the power supply, the electromagnet generates magnetic force when being electrified, the magnetic force generated by the electromagnet attracts the armature, the armature drives the movable rod to slide with the through hole in the support plate, the top end of the movable rod extrudes the first spring through the limiting plate and compresses the first spring, the movable rod drives the fixed sleeve to move downwards, the two connecting rods rotationally connected with the rotating shaft at the two ends of the fixed sleeve move downwards, the two connecting rods push the slide block to slide along the guide rail through the rotating shaft, the slide block pushes the push rod to move, the push rod pushes the push plate to move, the second spring sleeved outside the push rod compresses, the push plate pushes the second plate spring to bend for a certain angle, the second plate spring drives the second contact to contact with the first contact at one end of the first plate spring, when the electromagnet, the movable rod drives fixed cover and removes, fixed cover drives the slider through the connecting rod and slides and reset along the guide rail, the slider drives push rod and push pedal and resets under the second spring action, the second leaf spring drives the second contact and breaks away from with the first contact of first leaf spring, once switch on or switch off through the electro-magnet, let normally open contact portion keep closed or the disconnection, facilitate the use, through baffle and shells inner wall, the piece that the convenient contact produced stops, make things convenient for clastic collection through the collecting vat and collection box, the practicality is high.

Drawings

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

fig. 2 is a schematic position diagram of the connecting rod, the sliding block, the guide rail, the second spring and the push rod of the present invention;

FIG. 3 is a schematic view showing the positions of the partition, the through-hole and the supporting plate according to the present invention;

fig. 4 is the utility model discloses the structural schematic of backup pad, through-hole, movable rod, armature, first spring and limiting plate.

Reference numerals: 1-a shell; 2-a separator; 3-a support plate; 4-a through hole; 5-a movable rod; 6-an armature; 7-a first spring; 8-a limiting plate; 9-fixing a sleeve; 10-a connecting rod; 11-a slide block; 12-a guide rail; 13-a second spring; 14-a push rod; 15-push plate; 16-a first contact; 17-a second contact; 18-a first leaf spring; 19-a second leaf spring; 20-a collecting tank; 21-a collection box; 22-positive terminal; 23-sealing the shell; 24-an electromagnet; 25-negative pole connecting terminal.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

Example 1

As shown in fig. 1-3, the self-locking relay includes a housing 1, two partitions 2 are fixedly connected inside the housing 1, top ends and bottom ends of the partitions 2 are respectively and fixedly connected to top side walls and bottom side walls of the housing 1, a support plate 3 is fixedly connected between the two partitions 2, and a guide rail 12 is fixedly connected inside one end of each partition 2;

the bottom end of the interior of the shell 1 is fixedly connected with a sealing shell 23, an electromagnet 24 is mounted in the sealing shell 23, a first plate spring 18 and a second plate spring 19 are arranged between the partition plate 2 and the inner wall of the shell 1, and the first plate spring 18 and the second plate spring 19 are both mounted on one end side wall of the shell 1.

Open the inside of backup pad 3 has through-hole 4, the inside sliding connection movable rod 5 of through-hole 4, the top fixed connection limiting plate 8 of movable rod 5, the one end of the first spring 7 of bottom fixed connection of limiting plate 8, the top lateral wall of the other end fixed connection backup pad 3 of first spring 7, first spring 7 cup joints in the top outside of movable rod 5.

Fixed cover 9 has been cup jointed to the bottom of movable rod 5, and the both ends lateral wall of fixed cover 9 all rotates the one end of connecting rod 10 through the pivot, and inside the other end of connecting rod 10 rotated the one end of connecting slider 11 through the pivot, slider 11 sliding connection guide rail 12.

The one end lateral wall fixed connection push rod 14 of slider 11, the other end of push rod 14 runs through the inside of guide rail 12 and fixed connection push pedal 15, and push pedal 15 is located the opposite side of baffle 2, and second spring 13 is cup jointed in the outside of push rod 14, the one end lateral wall of the one end fixed connection slider 11 of second spring 13, the other end fixed connection guide rail 12's of second spring 13 inner wall.

The working principle is as follows: the positive terminal 22 and the negative terminal 25 are distributed and electrically connected with the positive and negative poles of a power supply, the electromagnet 24 is electrified to work to generate magnetic force, the magnetic force generated by the electromagnet 24 attracts the armature 6, the armature 6 drives the movable rod 5 to slide with the through hole 4 in the support plate 3, the top end of the movable rod 5 extrudes the first spring 7 through the limiting plate 8 and compresses the first spring 7, the movable rod 5 drives the fixed sleeve 9 to move downwards, the two connecting rods 10 rotatably connected with the rotating shafts at the two ends of the fixed sleeve 9 move downwards, the two connecting rods 10 push the sliding block 11 to slide along the guide rail 12 through the rotating shafts, the sliding block 11 pushes the push rod 14 to move, the push rod 14 pushes the push plate 15 to move, the second spring 13 sleeved outside the push rod 14 compresses, the push plate 15 pushes the second plate spring 19 to bend for a certain angle, the second plate spring 19 drives the second contact 17 to contact with, when the magnetic force of the electromagnet 24 disappears, the first spring 7 resets to push the movable rod 5 to move upwards along the through hole 4, the movable rod 5 drives the fixed sleeve 9 to move, the fixed sleeve 9 drives the sliding block 11 to slide along the guide rail 12 through the connecting rod 10 and reset, the sliding block 11 drives the push rod 14 and the push plate 15 to reset under the action of the second spring 13, and the second plate spring 19 drives the second contact 17 to be separated from the first contact 16 of the first plate spring 18;

the normally open contact portion is kept closed or opened by once turning on or off the electromagnet 24.

Example 2

As shown in fig. 1-4, the self-locking relay includes a housing 1, two partitions 2 are fixedly connected inside the housing 1, top ends and bottom ends of the partitions 2 are respectively and fixedly connected to top side walls and bottom side walls of the housing 1, a support plate 3 is fixedly connected between the two partitions 2, and a guide rail 12 is fixedly connected inside one end of each partition 2;

The side wall of one end of the sealing shell 23 is provided with a positive terminal, the side wall of the other end of the sealing shell 23 is provided with a negative terminal 25, the electromagnet 24 inside the sealing shell 23 is matched and connected with the armature 6, and the armature 6 is fixedly connected with the side wall of the bottom end of the movable rod 5.

One end of the first plate spring 18 and one end of the second plate spring 19 are respectively fixedly connected with a first contact 16 and a second contact 17, the first plate spring 18 and the second plate spring 19 are arranged in parallel, the first contact 16 and the second contact 17 are connected in a matching mode, collecting grooves 20 are formed in the bottoms of the first plate spring 18 and the second plate spring 19, and collecting boxes 21 are connected in the collecting grooves 20 in a sliding mode.

The working principle is as follows: during the outage, electro-magnet 24's magnetic force disappears, first spring 7 resets and promotes movable rod 5 and moves up along through-hole 4, movable rod 5 drives fixed cover 9 and removes, fixed cover 9 drives slider 11 through connecting rod 10 and slides and reset along guide rail 12, slider 11 drives push rod 14 and push pedal 15 and resets under the effect of second spring 13, second leaf spring 19 drives second contact 17 and breaks away from with first contact 16 of first leaf spring 18, through 24 break-make powerdowns of electro-magnet, let normally open contact portion keep closed or break off, facilitate the use, through baffle 2 and 1 inner wall of casing, the piece that conveniently produces the contact of contact blocks, make things convenient for clastic collection through collecting vat 20 and collection box 21.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Self-locking relay, including casing (1), its characterized in that: the inner part of the shell (1) is fixedly connected with two partition plates (2), the top ends and the bottom ends of the partition plates (2) are respectively and fixedly connected with the side wall of the top end and the side wall of the bottom end of the shell (1), a supporting plate (3) is fixedly connected between the two partition plates (2), and the inner part of one end of each partition plate (2) is fixedly connected with a guide rail (12);

the inside bottom fixed connection sealed shell (23) of casing (1), the internally mounted of sealed shell (23) has electro-magnet (24), be provided with first leaf spring (18) and second leaf spring (19) between the inner wall of baffle (2) and casing (1), the one end lateral wall at casing (1) is all installed in first leaf spring (18) and second leaf spring (19).

2. The self-locking relay according to claim 1, characterized in that: open the inside of backup pad (3) has through-hole (4), inside sliding connection movable rod (5) of through-hole (4), the top fixed connection limiting plate (8) of movable rod (5), the one end of the first spring of bottom fixed connection (7) of limiting plate (8), the top lateral wall of the other end fixed connection backup pad (3) of first spring (7), first spring (7) cup joint in the top outside of movable rod (5).

3. The self-locking relay according to claim 2, characterized in that: fixed cover (9) have been cup jointed to the bottom of movable rod (5), the both ends lateral wall of fixed cover (9) all rotates the one end of connecting rod (10) through the pivot, the other end of connecting rod (10) rotates inside the one end of link block (11) through the pivot, slider (11) sliding connection guide rail (12).

4. The self-locking relay according to claim 3, characterized in that: the one end of one end lateral wall fixed connection push rod (14) of slider (11), the other end of push rod (14) runs through the inside and fixed connection push pedal (15) of guide rail (12), push pedal (15) are located the opposite side of baffle (2), second spring (13) is cup jointed in the outside of push rod (14), the one end lateral wall of one end fixed connection slider (11) of second spring (13), the inner wall of the other end fixed connection guide rail (12) of second spring (13).

5. The self-locking relay according to claim 4, characterized in that: the utility model discloses a portable electronic device, including sealed shell (23), negative terminal (25) are installed to the one end lateral wall of sealed shell (23), negative terminal (25) are installed to the other end lateral wall of sealed shell (23), electromagnet (24) inside sealed shell (23) are connected with armature (6) cooperation, armature (6) fixed connection is at the bottom lateral wall of movable rod (5).

6. The self-locking relay according to claim 4, characterized in that: the contact device is characterized in that one ends of the first plate spring (18) and the second plate spring (19) are respectively and fixedly connected with a first contact (16) and a second contact (17), the first plate spring (18) and the second plate spring (19) are arranged in parallel, the first contact (16) and the second contact (17) are connected in a matched mode, collecting grooves (20) are formed in the bottoms of the first plate spring (18) and the second plate spring (19), and the collecting boxes (21) are connected to the inner portions of the collecting grooves (20) in a sliding mode.