CN217562485U

CN217562485U - Relay with novel shifting piece and base

Info

Publication number: CN217562485U
Application number: CN202221316839.2U
Authority: CN
Inventors: 王凯龙; 吴强; 陈星�
Original assignee: Zhejiang Great Electrical Co ltd
Current assignee: Zhejiang Great Electrical Co ltd
Priority date: 2022-05-27
Filing date: 2022-05-27
Publication date: 2022-10-11
Anticipated expiration: 2032-05-27

Abstract

A relay with a novel poking piece and a base comprises a shell, the base, a driving module and a connecting module. The connection module comprises a static spring assembly and a movable spring assembly. The static spring assembly comprises a static spring plate and two static contacts arranged on the static spring plate. The movable spring assembly comprises a movable spring piece, two movable contacts and a reset block. A shifting sheet is arranged between the two movable reeds. This relay with novel plectrum and base makes the movable contact spring is after the bending, the increase through adjusting two contained angle between the stationary contact spring with the area of contact between the movable contact. And one shifting piece is arranged between the two static spring pieces, and the floating piece arranged on the shifting piece enables the static contact and the movable contact to have a self-adaptive adjusting function, so that small errors possibly generated during assembly are made up, and the assembly stability is improved.

Description

Relay with novel plectrum and base

Technical Field

The utility model relates to the field of mechanical equipment, especially a relay with novel plectrum and base.

Background

With the development of technology, many manufacturers have been equipped with dual power sources, i.e., a common main power source and a backup power source. The existing circuit switching mode often needs to disconnect a relay in a path and then connect another relay in an open circuit. The steps are complicated, and once two paths are simultaneously switched on, the electronic equipment is easily damaged, so that a relay capable of switching circuits needs to be developed.

Chinese patent CN201821385129.9 discloses a dual power switching device implemented by hardware and a relay, which includes a main power source and a standby power source, and further includes a power management chip, a first relay and a second relay, wherein the main power source is electrically connected to the power management chip, and the L and N ends of the main power source are respectively connected to the normally closed ends of the first relay and the second relay, the L and N ends of the standby power source are respectively connected to the normally open ends of the first relay and the second relay, and the common end of the first relay and the second relay is connected to the power output end.

In the assembling process of the electromagnetic relay from parts to a complete product, riveting, welding, clamping and other assembling modes are generally used for combination, so that relay manufacturers not only need to configure various devices and tools, but also have many procedures for the production line of relay assembly and need manual operation, the automation rate of production is limited, the production efficiency is low, the cost is high, in addition, when the assembling of the assembling modes are carried out, assembling errors can be generated, the performance parameters of the finally assembled relay are not easy to obtain the pre-designed control, more unqualified products are generated, and the PPM value of quality control is increased.

Chinese patent CN201420442758.6 discloses a base for simplifying electromagnetic relay assembly, which comprises a magnetic circuit system mounting part and a contact system mounting part of a relay, wherein a separation wall is integrally arranged between the magnetic circuit system mounting part and the contact system mounting part, so that the withstand voltage requirement between the input end and the contact end of the relay can be ensured under the condition that no relay component is added. But still has room for improvement.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a relay with a novel paddle and a base, which can improve the contact area between the movable contact and the stationary contact, so as to solve the above technical problems.

A relay with a novel poking sheet and a base comprises a shell, a base arranged in the shell, a driving module embedded in the base and a connecting module embedded in the base and arranged on one side of the driving module; the base comprises a base and an electromagnetic coil seat arranged at the position of the base close to one end, and a connecting seat is arranged at the position of the base close to the other end; the connecting module comprises a pair of static spring assemblies embedded on the base and a movable spring assembly positioned between the two static spring assemblies; the movable spring assembly comprises a movable spring seat inserted in the connecting seat, two movable springs arranged on the end face of one side of the movable spring seat and two movable contacts arranged on the movable spring seat and far away from the end portion of the movable spring seat, and a shifting piece is arranged between the two movable springs.

Furthermore, the driving module comprises an electromagnetic coil component, a magnetic steel component arranged on one side of the electromagnetic coil component, and a sliding block arranged on one side of the magnetic steel component.

Furthermore, the electromagnetic coil assembly comprises a framework with the same height as the base, an electromagnetic coil wound on the framework, and two yokes connected to two end portions of the framework respectively and facing the end face of the connecting module.

Further, the magnetic steel assembly comprises a permanent magnet, a fixing plate arranged on one side of the permanent magnet and a pair of abutting plates arranged on two end faces of the permanent magnet facing the yoke, wherein the length of each abutting plate is larger than the distance between the permanent magnet and the yoke.

Further, the length of the abutting plate is larger than the distance between the permanent magnet and the yoke iron.

Furthermore, a swing arm is arranged on the end face, on one side, of the permanent magnet, where the abutting plate is arranged.

Furthermore, the included angle between the end faces of the two static reeds provided with the static contacts is an acute angle.

Furthermore, a floating piece is arranged on the position, close to the movable contact, of the poking piece.

Furthermore, one end of the shifting sheet, which is far away from the movable spring seat, is provided with a bending part.

Compared with the prior art, the utility model provides a pair of relay with novel plectrum and base is through adjusting two contained angle between the stationary contact spring makes the movable contact spring is in crooked back, the increase the stationary contact with area of contact between the movable contact. And one shifting piece is arranged between the two static springs, and a self-adaptive adjusting function is realized between the static contact and the movable contact through a floating piece arranged on the shifting piece, so that a possible small error generated during assembly is made up, and the assembly stability is improved.

Drawings

Fig. 1 is a schematic structural diagram of a relay with a novel poking piece and a base provided by the present invention.

Fig. 2 is an exploded view of the relay having the novel paddle and base of fig. 1.

Fig. 3 is a schematic structural diagram of a paddle of the relay with the novel paddle and the base in fig. 1.

Detailed Description

Specific examples of the present invention will be described in further detail below. It should be understood that the description herein of embodiments of the invention is not intended to limit the scope of the invention.

As shown in fig. 1 to fig. 3, it is a schematic structural diagram of a relay with a novel pick and a base provided by the present invention. The relay with the novel shifting piece and the base comprises a shell 10, a base 20 arranged in the shell 10, a driving module 30 embedded in the base 20, and a connecting module 40 embedded in the base 20 and arranged on one side of the driving module 30. It is contemplated that the relay with the novel paddle and base may also include other functional structures, such as connecting terminals, etc., which are well known to those skilled in the art and will not be described herein.

The housing 10 is a hollow rectangular box with one side opened, and is used for placing the base 20, and the driving module 30 and the connecting module 40 which are arranged on the base 20.

The base 20 includes a base 21, an electromagnetic coil holder 22 disposed at a position of the base 21 near one end, and a connection holder 23 disposed at a position of the base 20 near the other end. The electromagnetic coil holder 22 is used for placing the driving module 30, and the connecting holder 23 is used for placing the connecting module 40.

The base 21 is a plate having the same size as the opening of the housing 10 and is made of an insulating material.

An L-shaped baffle 221 and a rotating shaft slot 222 are arranged on one side of the electromagnetic coil holder 22. The L-shaped baffle 221 is used for installing and fixing the driving module 30 and isolating the driving module 30 from the connecting module 40. The rotation shaft slot 222 is used for cooperating with the driving module 30.

The L-shaped baffle 221 is used for being clamped and fixed with a yoke 313, and the rotating shaft groove 222 is used for inserting a rotating shaft 324 on a permanent magnet 321, so that the permanent magnet 321 rotates along the rotating shaft groove 222.

The connection holder 23 includes two stationary spring insertion grooves 231 and a movable spring insertion groove 232 disposed between the two stationary spring insertion grooves 231. The static spring plate slot 231 and the movable spring plate slot 232 are used for inserting and fixing a static spring plate 411 and a movable spring plate 422 which are described below respectively. A through hole is formed in each of the two stationary spring slots 231 and the movable spring slot 232, and the through hole enables the stationary spring 411 and the movable spring 422 to be in contact with the outside and to be electrified. The two side walls of the movable spring piece slot 232 are provided with a plurality of screw head slots 233 which are used for avoiding the situation that the movable spring piece 422 cannot be installed due to mutual conflict with screws screwed on the movable spring piece 422.

The driving module 30 includes a solenoid assembly 31, a magnetic steel assembly 32 disposed on one side of the solenoid assembly 31, and a slider 33 disposed on one side of the magnetic steel assembly 32.

The electromagnetic coil assembly 31 includes a frame 311 having the same height as the base 20, an electromagnetic coil 312 wound around the frame 311, and two yokes 313 connected to two end portions of the frame 311 facing the end surfaces of the connection module 40.

The bobbin 311 is used for being placed on the electromagnetic coil holder 22. The electromagnetic coil 312 is used to generate positive and negative poles after being connected with current, and functions as an electromagnet.

The yoke 313 is a metal member having an L-shaped outer shape. One end of the elastic piece is fixedly connected with the framework 311, and two end faces with smaller areas at the other end are provided with convex blocks 314. The yoke 313 is adapted to cooperate with the drive module 30. The protruding block 314 on one side is clamped and fixed with the electromagnetic coil holder 22.

The magnetic steel assembly 32 includes a permanent magnet 321, a fixing plate 322 disposed on one side of the permanent magnet 321, and a pair of abutting plates 323 disposed on two end faces of the permanent magnet 321 facing the yoke 313. The permanent magnet 321 is a magnet with positive and negative poles, and can interact with the electromagnetic coil 312 after being electrified, so that one side of the permanent magnet 321 is close to the electromagnetic coil 312. The fixing plate 322 is clamped and fixed with the convex block 314 on the yoke 313. Which is used to fix the permanent magnet 321 in cooperation with the base 20. Two rotating shafts 324 are arranged on the permanent magnet 321, one of the rotating shafts 324 is inserted in the rotating shaft groove 212, and the length of the abutting plate 323 is larger than the distance between the permanent magnet 321 and the yoke 313, so that when the abutting plate 323 rotates along with the permanent magnet 321, the abutting plate 323 on one side can abut against the yoke 313 on one side.

A swing arm 325 is arranged on the end face of one side of the permanent magnet 321, which is provided with the abutting plate 323. The swing arm 325 is connected to one side of the slider 33 in the longitudinal direction. So that the slider 33 is moved by the swing of the permanent magnet 321.

The slider 33 is provided with a pick-up engaging groove 331, which will be described below with reference to the movable spring assembly 42.

The connection module 40 includes a pair of stationary spring assemblies 41 embedded in the base 20, and a movable spring assembly 42 located between the two stationary spring assemblies 41, wherein the movable spring assembly 42 is connected to the sliding block 33.

Stationary spring assembly 41 includes a stationary spring plate 411, and two stationary contacts 412 provided on stationary spring plate 411. One end of each of the two stationary spring pieces 411, which is provided with the stationary contact 412, is bent towards the direction of the movable spring assembly 42, so that a gap is formed between the two stationary spring pieces 411, the movable spring assembly 42 is convenient to set, and an included angle formed between the end surfaces of the two stationary spring pieces 411, which are provided with the stationary contacts 412, is an acute angle.

The movable spring assembly 42 includes a movable spring seat 421 inserted into the connecting seat 23, two movable springs 422 disposed on an end surface of one side of the movable spring seat 421, and two movable contacts 423 disposed on an end portion of the movable springs 422 far away from the movable spring seat 421. A pick 424 is arranged between the two movable reeds 422.

An arch 425 is arranged on one side of each of the two movable springs 422 close to the movable spring seat 421, so that the movable springs 422 are bent from the arch 425 when deformed, the force acting on the movable spring seat 421 is reduced, and the service life is prolonged. The movable contact 423 is configured to abut against the fixed contact 412, so as to connect the fixed spring 411 on one side, thereby achieving the purpose of power-on.

The pick 424 is fixed on the movable spring seat 421 together with the two movable springs 422, and the other side of the pick is inserted into the pick clamping groove 331. One end part of the shifting piece 424, which is far away from the movable spring seat 421, is clamped with the sliding block 33, and the movable spring 422 is driven to bend towards one side by the movement of the sliding block 33. And a floating piece 425 is arranged on the part of the poking piece 424 close to the movable contact 423. The floating piece 425 is used for increasing the contact area between the movable contact 423 and the fixed contact 412 when the poking piece 424 drives the movable spring piece 422 to bend to one side, so that the conduction efficiency is improved. One end of the toggle piece 424, which is far away from the movable spring seat 421, is provided with a bending portion 426, and the bending portion 426 is used for preventing the toggle piece 424 from falling off from the toggle piece clamping groove 331.

Compared with the prior art, the utility model provides a pair of relay with novel plectrum and base is through adjusting two contained angle between stationary contact piece 411 makes movable contact piece 422 is after crooked, the increase stationary contact 412 with area of contact between the movable contact 423. One shifting piece 424 is arranged between the two fixed spring pieces 411, and a floating piece 425 arranged on the shifting piece 424 enables a self-adaptive adjusting function to be achieved between the fixed contact 412 and the movable contact 423, so that small errors possibly generated during assembly are made up, and assembly stability is improved.

The above are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent replacements, or improvements within the spirit of the present invention are all encompassed in the scope of the claims of the present invention.

Claims

1. The utility model provides a relay with novel plectrum and base which characterized in that: the relay with the novel poking sheet and the base comprises a shell, a base arranged in the shell, a driving module embedded in the base and a connecting module embedded in the base and arranged on one side of the driving module; the base comprises a base and an electromagnetic coil seat arranged at the position of the base close to one end, and a connecting seat is arranged at the position of the base close to the other end; the connecting module comprises a pair of static spring assemblies embedded on the base and a movable spring assembly positioned between the two static spring assemblies; the movable spring assembly comprises a movable spring seat inserted in the connecting seat, two movable springs arranged on one side end face of the movable spring seat and two movable contacts arranged on the movable spring far away from the end portion of the movable spring seat, and a shifting piece is arranged between the two movable springs.

2. The relay with the novel paddle and base of claim 1, wherein: the driving module comprises an electromagnetic coil assembly, a magnetic steel assembly arranged on one side of the electromagnetic coil assembly, and a sliding block arranged on one side of the magnetic steel assembly.

3. The relay with the novel paddle and base of claim 2, wherein: the electromagnetic coil assembly comprises a framework, an electromagnetic coil and two yokes, wherein the framework is as high as the base, the electromagnetic coil is wound on the framework, and the two yokes are connected to two end portions of the framework respectively and face the end face of the connecting module.

4. The relay with the novel paddle and base of claim 3, wherein: the magnetic steel assembly comprises a permanent magnet, a fixing plate and a pair of abutting plates, wherein the fixing plate is arranged on one side of the permanent magnet, the abutting plates are arranged on the two end faces of the yoke, and the length of the abutting plates is larger than the distance between the permanent magnet and the yoke.

5. The relay with the novel paddle and base of claim 4, wherein: the length of the abutting plate is larger than the distance between the permanent magnet and the yoke iron.

6. The relay with the novel paddle and base of claim 4, wherein: and a swing arm is arranged on the end surface of one side of the permanent magnet, which is provided with the abutting plate.

7. The relay with the novel paddle and base of claim 1, wherein: and the included angle between the end surfaces of the two static reeds provided with the static contacts is an acute angle.

8. The relay with the novel paddle and base of claim 1, wherein: and a floating piece is arranged on the shifting piece close to the movable contact.

9. The relay with the novel paddle and base of claim 1, wherein: one end of the shifting piece, which is far away from the movable spring seat, is provided with a bending part.