CN216487871U

CN216487871U - Safety electromagnetic relay

Info

Publication number: CN216487871U
Application number: CN202122648328.2U
Authority: CN
Inventors: 岳秀峰; 陈飞勇; 盘德波; 周南
Original assignee: Dongguan Golden Electrical Appliances Co ltd
Current assignee: Dongguan Golden Electrical Appliances Co ltd
Priority date: 2021-11-01
Filing date: 2021-11-01
Publication date: 2022-05-10
Anticipated expiration: 2031-11-01

Abstract

The utility model discloses a safety electromagnetic relay which comprises a base, a baffle, a U-shaped elastic sheet, a base and a sliding frame, wherein the base is installed at the bottom end of the base, the top end of the base is fixedly connected with the base, an electromagnetic relay cover is arranged outside the base on one side of the base, an annular clamping groove frame is installed at the bottom end of the electromagnetic relay cover, the outer wall of the annular clamping groove frame is fixedly connected with the electromagnetic relay cover, the baffle is installed at the top end of the base, the bottom end of the baffle is fixedly connected with the base, two groups of second input ends are installed inside the base below the baffle, the bottom ends of the second input ends extend to the outside of the base, and two groups of first input ends are installed inside the base on one side of the second input ends. The utility model not only realizes the safe and stable operation of the electromagnetic relay during working, improves the safety of the electromagnetic relay during working, but also prolongs the service life of the electromagnetic relay.

Description

Safety electromagnetic relay

Technical Field

The utility model relates to the technical field of electromagnetic relays, in particular to a safe electromagnetic relay.

Background

The relay is a device for indirectly controlling high-voltage and high-current circuits by utilizing on-off of low-voltage and low-current circuits, and the electromagnetic relay is a switch for controlling working circuit by utilizing electromagnet, when the protected element of electric power system is failed, the electromagnetic relay protection device can automatically, quickly and selectively cut off the failed element from electric power system so as to ensure that the fault-free portion can quickly restore normal operation and can make the failed element be protected from continuous damage, after the electromagnetic attraction force is small, the armature can return to original action under the action of spring, at this time, it represents that the coil is cut off, and the movable contact and static contact can be separated and released, and the electromagnetic relay can implement conduction and cut-off action in the circuit according to the action of closing and releasing.

This type of electromagnetic relay on the market is various today, can satisfy people's user demand basically, but still has certain problem, and the operation of the safety and stability of generally not being convenient for when using of this type of electromagnetic relay that has now, great influence the security when electromagnetic relay uses, and the use of giving people has brought very big potential safety hazard.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a safety type electromagnetic relay, which aims to solve the problem that the electromagnetic relay is inconvenient to operate safely and stably in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a safe type electromagnetic relay, includes base, baffle, U-shaped shell fragment, base and skid, the base is installed to the bottom of base, and the top and the base fixed connection of base, the base outside of base one side is equipped with electromagnetic relay cover, annular draw-in groove frame is installed to the bottom of electromagnetic relay cover, and the outer wall and the electromagnetic relay cover fixed connection of annular draw-in groove frame, the baffle is installed on the top of base, and the bottom and the base fixed connection of baffle, the base internally mounted of baffle below has two sets of second inputs, and the bottom of second input all extends to the outside of base, the base internally mounted of second input one side has two sets of first inputs, and the bottom of first input all extends to the outside of base.

Preferably, two sets of electromagnet cathodes are mounted inside the base, and the bottom ends of the electromagnet cathodes all extend to the outside of the base.

Preferably, two sets of electromagnet anodes are installed inside the base on one side of the electromagnet cathode, and the bottom ends of the electromagnet anodes all extend to the outside of the base.

Preferably, a supporting frame is installed at the top end of the base, an electromagnet element is arranged inside the supporting frame, and a static clamping hook is installed at the top end of the supporting frame.

Preferably, the inside insulating block that is equipped with of electromagnetic relay cover above the second input, the U-shaped shell fragment is installed to the bottom of insulating block, install armature frame on the outer wall of insulating block, and armature frame's top extends to the outside of support frame.

Preferably, the top end of the armature holder is provided with a movable hook, the outer wall of the movable hook is provided with a spring, and one end of the spring extends to the surface of the static hook.

Preferably, a sliding frame is mounted on the outer wall of the armature frame, the outer wall of the sliding frame is fixedly connected with the support frame, and the armature frame is in sliding connection with the sliding frame.

Preferably, the outer wall of the support frame is provided with a limiting frame, a sliding groove is formed in the limiting frame, a connecting pin is arranged in the sliding groove and is in sliding connection with the sliding groove, and one end of the connecting pin is fixedly connected with the insulating block.

Compared with the prior art, the utility model has the beneficial effects that: the electromagnetic relay not only realizes the safe and stable operation of the electromagnetic relay during the work, improves the safety of the electromagnetic relay during the work, but also prolongs the service life of the electromagnetic relay;

(1) the two groups of second input ends are separated through the baffle, the two groups of first input ends are separated through the baffle, the electromagnetic relay cover is sleeved on the surfaces of the base and the base, and the annular clamping groove frame is clamped with the base, so that the safe and stable operation of the electromagnetic relay during working is realized, and the safety of the electromagnetic relay during working is improved;

(2) by switching on the positive pole and the negative pole of the electromagnet, when the attraction force of the electromagnet element to the armature frame is greater than the elastic force of the spring, the electromagnet element drives the armature frame to move leftwards, and the U-shaped elastic sheet is switched on with the first input end to form a passage at the first input end, so that the stable operation of the internal structure of the electromagnetic relay is realized, and the reliable and stable work of the electromagnetic relay is ensured;

(3) when the armature frame is driven by the electromagnet element to slide, the armature frame slides in the sliding frame, the connecting pin slides in the sliding groove, the sliding groove limits the connecting pin, and the connecting pin, the insulating block and the armature frame synchronously move to enable the U-shaped elastic sheet to stably move between the second input end and the first input end, so that the reliable operation of the limiting structure of the electromagnetic relay is realized, and the service life of the electromagnetic relay is prolonged.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic side view of the U-shaped spring of the present invention;

FIG. 4 is a schematic bottom view of the first input end of the present invention;

fig. 5 is a schematic front view of the baffle of the present invention.

In the figure: 1. a base; 2. a baffle plate; 3. a U-shaped spring plate; 4. an insulating block; 5. an armature holder; 6. a movable hook; 7. a spring; 8. a static hook; 9. an electromagnetic relay cover; 10. a support frame; 11. an electromagnet element; 12. a base; 13. an annular slot clamping frame; 14. an electromagnet anode; 15. a negative pole of the electromagnet; 16. a first input terminal; 17. a second input terminal; 18. a skid frame; 19. a limiting frame; 20. a connecting pin; 21. a sliding groove.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, an embodiment of the present invention is shown: a safety electromagnetic relay comprises a base 1, a baffle 2, a U-shaped elastic sheet 3, a base 12 and a sliding frame 18, wherein the base 12 is installed at the bottom end of the base 1, the top end of the base 12 is fixedly connected with the base 1, an electromagnetic relay cover 9 is arranged outside the base 1 on one side of the base 12, an annular clamping groove frame 13 is installed at the bottom end of the electromagnetic relay cover 9, the outer wall of the annular clamping groove frame 13 is fixedly connected with the electromagnetic relay cover 9, the baffle 2 is installed at the top end of the base 1, the bottom end of the baffle 2 is fixedly connected with the base 1, the baffle 2 plays a role in shielding protection, two groups of second input ends 17 are installed inside the base 1 below the baffle 2, the bottom ends of the second input ends 17 extend to the outside of the base 12, the second input ends 17 facilitate cable connection, two groups of first input ends 16 are installed inside the base 1 on one side of the second input ends 17, the bottom ends of the first input ends 16 extend to the outside of the base 12, the first input ends 16 facilitate connection of cables, two groups of electromagnet cathodes 15 are mounted inside the base 1, the bottom ends of the electromagnet cathodes 15 extend to the outside of the base 12, two groups of electromagnet anodes 14 are mounted inside the base 1 on one side of the electromagnet cathodes 15, the bottom ends of the electromagnet anodes 14 extend to the outside of the base 12, and the electromagnet anodes 14 facilitate connection of external cables;

when the electromagnetic relay is used, an external breaking cable is communicated with the second input end 17, a passage cable is communicated with the first input end 16, when the electromagnetic relay works, the U-shaped elastic sheet 3 is communicated with the two groups of first input ends 16 to form a passage for the two groups of first input ends 16 to complete the function of the electromagnetic relay, the electromagnet anode 14 and the electromagnet cathode 15 are communicated with a power supply to supply power to the electromagnet element 11, the baffle 2 is installed with the base 1, the baffle 2 separates the two groups of second input ends 17, the baffle 2 separates the two groups of first input ends 16 to prevent the two groups of second input ends 17 from being contacted and electrified with each other, so as to prevent the two groups of first input ends 16 from being contacted and electrified with each other, so as to improve the safety of the terminals between the first input ends 16 and the second input ends 17, the annular clamping groove frame 13 is installed with the electromagnetic relay cover 9, and the base 12 is fixed with the base 1, the electromagnetic relay cover 9 is sleeved on the surfaces of the base 12 and the base 1, and the annular clamping groove frame 13 is clamped with the base 12 according to the structural characteristics of the annular clamping groove frame 13 to encapsulate and fix the electromagnetic relay, so that the electromagnetic relay can safely and stably operate during working, and the safety of the electromagnetic relay during working is improved;

a support frame 10 is installed at the top end of the base 1, the support frame 10 plays a role of structural support, an electromagnet element 11 is arranged inside the support frame 10, a static clamping hook 8 is installed at the top end of the support frame 10, an insulating block 4 is arranged inside an electromagnetic relay cover 9 above the second input end 17, a U-shaped elastic sheet 3 is installed at the bottom end of the insulating block 4, an armature frame 5 is installed on the outer wall of the insulating block 4, the armature frame 5 plays a role of driving movement, the top end of the armature frame 5 extends to the outside of the support frame 10, a movable clamping hook 6 is installed at the top end of the armature frame 5, a spring 7 is installed on the outer wall of the movable clamping hook 6, one end of the spring 7 extends to the surface of the static clamping hook 8, and the spring 7 plays a role of elastically supporting the movable clamping hook 6;

when the electromagnetic relay is used, the positive pole 14 and the negative pole 15 of the electromagnet are connected with a power supply, the electromagnet element 11 starts to work under the support of the support frame 10, the spring 7 elastically supports the movable clamping hook 6 under the support of the static clamping hook 8, when the attraction force of the electromagnet element 11 to the armature frame 5 is greater than the elastic force of the spring 7, the electromagnet element 11 drives the armature frame 5 to move leftwards, the armature frame 5 drives the insulating block 4 to move, the insulating block 4 drives the U-shaped elastic sheet 3 to move, the U-shaped elastic sheet 3 is disconnected with the second input end 17, and the U-shaped elastic sheet 3 is connected with the first input end 16 to enable the first input end 16 to form a passage, so that the stable operation of the internal structure of the electromagnetic relay is realized, and the reliable and stable work of the electromagnetic relay is ensured;

a sliding frame 18 is arranged on the outer wall of the armature frame 5, the outer wall of the sliding frame 18 is fixedly connected with the support frame 10, the armature frame 5 is in sliding connection with the sliding frame 18, the sliding frame 18 plays a role in limiting and supporting the movement of the armature frame 5, a limiting frame 19 is arranged on the outer wall of the support frame 10, a sliding groove 21 is formed in the limiting frame 19, a connecting pin 20 is arranged in the sliding groove 21, the connecting pin 20 is in sliding connection with the sliding groove 21, the sliding groove 21 plays a role in limiting and supporting the sliding of the connecting pin 20, and one end of the connecting pin 20 is fixedly connected with the insulating block 4;

when the electromagnetic relay limiting structure is used, under the support of the limiting frame 19, when the electromagnet element 11 drives the armature frame 5 to slide, the armature frame 5 slides in the sliding frame 18, the sliding frame 18 limits the armature frame 5, the connecting pin 20 slides in the sliding groove 21, the sliding groove 21 limits the connecting pin 20, the insulating block 4 and the armature frame 5 synchronously move, and the armature frame 5 and the insulating block 4 stably horizontally move under the limitation of the sliding frame 18 and the sliding groove 21, so that the U-shaped elastic sheet 3 stably moves between the second input end 17 and the first input end 16, the reliable operation of the electromagnetic relay limiting structure is realized, and the service life of the electromagnetic relay is prolonged.

When the embodiment of the application is used: an external power supply is firstly connected with a second input end 17 through an external broken cable, a path cable is connected with a first input end 16, when the electromagnetic relay works, the U-shaped elastic sheet 3 is connected with two groups of first input ends 16 to enable the two groups of first input ends 16 to form a path to complete the function of the electromagnetic relay, an electromagnet anode 14 and an electromagnet cathode 15 are connected with a power supply to supply power to the electromagnet element 11, the baffle 2 is installed with the base 1, the baffle 2 separates the two groups of second input ends 17, the baffle 2 separates the two groups of first input ends 16 to prevent the two groups of second input ends 17 from being contacted and electrified with each other to prevent the two groups of first input ends 16 from being contacted and electrified with each other to improve the safety of terminals between the first input ends 16 and the second input ends 17, the annular clamping groove frame 13 is installed with the electromagnetic relay cover 9, the base 12 is fixed with the base 1, an electromagnetic relay cover 9 is sleeved on the surfaces of a base 12 and a base 1, according to the structural characteristics of an annular clamping groove frame 13, the annular clamping groove frame 13 is clamped with the base 12 to encapsulate and fix an electromagnetic relay, then an electromagnet anode 14 and an electromagnet cathode 15 are connected with a power supply, an electromagnet element 11 starts to work under the support of a support frame 10, a spring 7 elastically supports a movable clamping hook 6 under the support of a fixed clamping hook 8, when the attraction force of the electromagnet element 11 to an armature frame 5 is greater than the elastic force of the spring 7, the electromagnet element 11 drives the armature frame 5 to move leftwards, the armature frame 5 drives an insulating block 4 to move, the insulating block 4 drives a U-shaped elastic sheet 3 to move, the U-shaped elastic sheet 3 is disconnected with a second input end 17, the U-shaped elastic sheet 3 is connected with a first input end 16 to enable the first input end 16 to form a passage, and then under the support of a limit frame 19, when the electromagnet element 11 drives the armature frame 5 to slide, the armature frame 5 slides in the slide frame 18, the slide frame 18 limits the armature frame 5, the connecting pin 20 slides in the slide groove 21, the slide groove 21 limits the connecting pin 20, the insulating block 4 and the armature frame 5 synchronously move, the armature frame 5 and the insulating block 4 stably move horizontally under the limitation of the slide frame 18 and the slide groove 21, and the U-shaped elastic sheet 3 stably moves between the second input end 17 and the first input end 16 to complete the use work of the electromagnetic relay.

Claims

1. The utility model provides a safe type electromagnetic relay which characterized in that: comprises a base (1), a baffle (2), a U-shaped elastic sheet (3), a base (12) and a sliding frame (18), wherein the base (12) is installed at the bottom end of the base (1), the top end of the base (12) is fixedly connected with the base (1), an electromagnetic relay cover (9) is arranged outside the base (1) on one side of the base (12), an annular clamping groove frame (13) is installed at the bottom end of the electromagnetic relay cover (9), the outer wall of the annular clamping groove frame (13) is fixedly connected with the electromagnetic relay cover (9), the baffle (2) is installed at the top end of the base (1), the bottom end of the baffle (2) is fixedly connected with the base (1), two sets of second input ends (17) are installed inside the base (1) below the baffle (2), the bottom ends of the second input ends (17) all extend to the outside of the base (12), two sets of first input ends (16) are installed inside the base (1) on one side of the second input ends (17), and the bottom ends of the first input ends (16) all extend to the outside of the base (12).

2. A safety electromagnetic relay according to claim 1, characterized in that: the inside mounting of base (1) has two sets of electro-magnet negative poles (15), and the bottom of electro-magnet negative pole (15) all extends to the outside of base (12).

3. A safety electromagnetic relay according to claim 2, characterized in that: the base (1) on one side of the electromagnet cathode (15) is internally provided with two groups of electromagnet anodes (14), and the bottom ends of the electromagnet anodes (14) extend to the outside of the base (12).

4. A safety electromagnetic relay according to claim 1, characterized in that: the top end of the base (1) is provided with a support frame (10), an electromagnet element (11) is arranged inside the support frame (10), and the top end of the support frame (10) is provided with a static hook (8).

5. A safety electromagnetic relay according to claim 1, characterized in that: inside insulating block (4) of being equipped with of electromagnetic relay cover (9) of second input (17) top, U-shaped shell fragment (3) are installed to the bottom of insulating block (4), install armature frame (5) on the outer wall of insulating block (4), and the top of armature frame (5) extends to the outside of support frame (10).

6. A safety electromagnetic relay according to claim 5, characterized in that: the top end of the armature frame (5) is provided with a movable clamping hook (6), the outer wall of the movable clamping hook (6) is provided with a spring (7), and one end of the spring (7) extends to the surface of the static clamping hook (8).

7. A safety electromagnetic relay according to claim 5, characterized in that: a sliding frame (18) is arranged on the outer wall of the armature frame (5), the outer wall of the sliding frame (18) is fixedly connected with the supporting frame (10), and the armature frame (5) is in sliding connection with the sliding frame (18).

8. A safety electromagnetic relay according to claim 4, characterized in that: the outer wall of the support frame (10) is provided with a limiting frame (19), a sliding groove (21) is formed in the limiting frame (19), a connecting pin (20) is arranged in the sliding groove (21), the connecting pin (20) is in sliding connection with the sliding groove (21), and one end of the connecting pin (20) is fixedly connected with the insulating block (4).