CN219873354U - Movable reed structure of electromagnetic relay - Google Patents
Movable reed structure of electromagnetic relay Download PDFInfo
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- CN219873354U CN219873354U CN202321008758.0U CN202321008758U CN219873354U CN 219873354 U CN219873354 U CN 219873354U CN 202321008758 U CN202321008758 U CN 202321008758U CN 219873354 U CN219873354 U CN 219873354U
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- 235000014676 Phragmites communis Nutrition 0.000 title claims abstract description 35
- 239000000463 material Substances 0.000 claims abstract description 10
- 238000009434 installation Methods 0.000 claims description 17
- 230000000694 effects Effects 0.000 claims description 6
- 230000003068 static effect Effects 0.000 abstract description 7
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 17
- 238000005452 bending Methods 0.000 description 14
- 229910000881 Cu alloy Inorganic materials 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a movable reed structure of an electromagnetic relay, which comprises a fixed sheet and a movable sheet, wherein the fixed sheet is connected with a working circuit through a mounting part on the fixed sheet, the movable sheet is arranged on the fixed sheet, a mounting hole for mounting a movable contact is formed in the movable sheet, an armature is contacted with the upper surface of the movable sheet, and the movable sheet can slide along a guide part on the fixed sheet under the action of the armature to drive the movable contact on the mounting hole to be contacted with a static contact on the static reed. The movable contact has the advantages that the movable piece capable of sliding up and down along the upper guide part of the fixed piece and the fixed piece connected with the leading-out pin of the movable spring are utilized to replace the transmission integrated movable spring, so that the problem that the movable spring is easy to fatigue and fracture due to long-time frequent movement is effectively solved, the problem that the movable spring is limited by material elasticity is also solved, meanwhile, the movable contact arranged on the movable piece moves up and down along the guide part along with the movable piece, the movement track of the movable contact is limited, and the problem that the conventional movable spring has poor neutrality when in use is solved.
Description
Technical Field
The utility model particularly relates to a movable reed structure of an electromagnetic relay.
Background
The electromagnetic relay is an electronic control device, the working principle is that an armature is additionally arranged outside an electromagnet, and by electrifying the electromagnet, the armature can overcome the attraction of return force to an iron core under the attraction of electromagnetic force, so that a movable contact on a movable spring is driven to attract with a static contact on a static spring, and the conduction effect in a circuit is achieved, therefore, the electromagnetic relay is an automatic switch which uses smaller current and lower voltage to control larger current and higher voltage, and is widely applied to the fields of communication, automobiles, automatic control, household appliances and the like;
the movable reed is a key part in the electromagnetic relay, the movable reed is integrally made of a material with good flexibility, fatigue cracks are easy to generate at the bending part of the movable reed to cause the breakage of the movable reed when the movable reed moves frequently for a long time, meanwhile, the conventional movable reed is only subjected to simple bending treatment, the neutrality of a movable contact is difficult to ensure, and the product quality is influenced.
In chinese patent: 202121966121.3, the name is: a movable reed structure of an electromagnetic relay is described, which comprises a double-layer conductive part, and is characterized in that: the double-layer conductive part is of a double-layer doubling structure, the double-layer conductive part is formed by folding a single-layer movable reed, a first conductive part is connected to the double-layer conductive part, a second conductive part is connected to the first conductive part, a first bend is formed between the first conductive part and the second conductive part, and the angle of the first bend is a right angle.
As shown in the drawing of patent 202121966121.3, the problem of poor neutrality of the movable contact is mainly solved by adding a bending part, but the addition of the bending part can only reduce the centering error of the movable contact, and the movable reed can generate larger centering error after being worn in actual use.
In chinese patent: 201420528936.7, the name is: the movable reed for the electromagnetic relay is recorded with a movable reed main body and a bending part, wherein one end of the movable reed main body is provided with a movable contact mounting hole, the other end of the movable reed main body is connected with the bending part through a bending part, and the bending part is provided with a riveting hole for being connected with a welding lug, and the electromagnetic relay is characterized in that: the movable reed body is provided with a transverse long hole, and one end of the long hole extends to the upper part of the bending part through the bending part.
As shown in the drawing of patent 201420528936.7, the patent mainly adds an elongated hole on the movable spring to reduce the stress at the bending position of the movable spring, so as to reduce the problem of stress concentration on the movable spring in principle, but cannot fundamentally solve the problem of cracks and fractures generated by frequent movement of the movable spring for a long time.
Disclosure of Invention
The utility model aims to solve the technical problems that the prior movable reed in the technical background has poor neutrality and the movable reed is easy to fatigue fracture when moving frequently for a long time.
Aiming at the technical problems, a movable reed structure of an electromagnetic relay is provided; the method is realized by the following technical scheme: the utility model provides a movable reed structure of electromagnetic relay, includes stationary blade and movable blade, the stationary blade passes through the installation department on oneself and work circuit connects, and the movable blade sets up on the stationary blade, has offered the mounting hole that is used for installing movable contact on the movable blade, and armature and movable blade's upper surface contact, movable blade can slide along the guiding part on the stationary blade under the effect of armature, drives movable contact on the mounting hole and the contact on the static reed.
According to the utility model, the movable piece capable of sliding up and down along the upper guide part of the fixed piece and the fixed piece connected with the movable spring leading-out pin are used for replacing the transmission integrated movable reed, so that the problem that fatigue fracture is easy to occur when the movable reed moves frequently for a long time is effectively solved, the problem that the movable reed is limited by material elasticity is also solved, meanwhile, the movable contact arranged on the movable piece moves up and down along the guide part along with the movable piece, the movement track of the movable contact is limited, and the problem that the conventional movable reed has poor neutrality when in use is solved.
According to the technical scheme, one end of the installation part is folded into the double-layer conductive layer, the riveting hole for riveting the movable spring leading-out pin is formed in the position, perpendicular to the installation part, of the double-layer conductive layer, the other end of the installation part is bent to form a connecting part perpendicular to the installation part, the connecting part is connected with the installation part and the guide part, the guide part is perpendicular to the connecting part and parallel to the installation part, one end of the guide part is bent to form a supporting part perpendicular to the guide part, the supporting part is parallel to the connecting part, the arrangement of the double-layer conductive layer is convenient for increasing the current carrying area, reducing the heating condition and prolonging the service life.
According to the technical scheme, the upper surface of the supporting part is perpendicular to the supporting part, the spring fixing table is arranged, the reset spring is arranged in the spring fixing table, one end of the reset spring is in contact with one end of the supporting part, which is in contact with the movable sheet, and the movable sheet can reset under the action of the reset spring when the electromagnet is powered off, so that the stable operation of the device is ensured.
According to the technical scheme, the two side faces of the guide part are bent 180 degrees to form the guide chute with the cavity in the middle, the sliding part on the moving plate is inserted into the guide chute, the guide chute is convenient for guiding the moving plate, the neutrality of the contact is ensured, the use is convenient, and the service life is prolonged.
The elastic force of the reset spring is smaller than the pressure exerted by the armature on the movable sheet, so that the movable sheet can descend when the pressure is exerted by the armature on the movable sheet, the movable contact and the movable contact are contacted, and the stable operation of the device is ensured.
In the technical scheme of the utility model, the lower surface of the guide chute is not contacted with the upper surface of the supporting part, and the distance between the lower surface of the guide chute and the upper surface of the supporting part is larger than the thickness of the moving sheet material.
The utility model is characterized in that the movable piece comprises a sliding part, a conductive part and a functional part, wherein the conductive part and the functional part are distributed in parallel, the sliding part is arranged between the conductive part and the functional part and is connected with the conductive part and the functional part, and the sliding part is convenient for the movable piece to slide on the fixed piece, so that the stable operation of the device is ensured.
According to the technical scheme, the spring fixing table for fixing the reset spring is arranged on the lower surface of the functional part perpendicular to the functional part, and one end of the reset spring is conveniently and tightly fixed on the moving plate by the aid of the spring fixing table, so that stable operation of the device is guaranteed.
Compared with the prior art, the utility model has the following beneficial effects:
according to the technical scheme, the movable piece capable of sliding up and down along the upper guide part of the fixed piece and the fixed piece connected with the movable spring leading-out pin are used for replacing the transmission integrated movable reed, so that the problem that fatigue fracture is easy to occur when the movable reed moves frequently for a long time is effectively solved, the problem that the movable reed is limited by elasticity of materials is also solved, meanwhile, a movable contact arranged on the movable piece moves up and down along the guide part along with the movable piece, the movement track of the movable contact is limited, and the problem that the conventional movable reed has poor neutrality when in use is solved.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic diagram of the present utility model after power-on;
FIG. 3 is an exploded view of the present utility model;
reference numerals illustrate: 1-stationary blade, 11-installation department, 12-connecting portion, 13-guide part, 14-supporting portion, 15-guide spout, 16-spring fixed station, 17-return spring, 2-movable piece, 21-sliding portion, 22-electric conduction portion, 23-functional portion, 24-mounting hole.
Detailed Description
The following describes the technical solution in the embodiment of the present utility model in detail with reference to fig. 1 to 3 in the embodiment of the present utility model.
Example 1
As shown in fig. 1, a movable reed structure of an electromagnetic relay includes a fixed piece 1 and a movable piece 2.
As shown in fig. 2 and 3, the fixing piece 1 is made of a metal material with good conductivity and certain strength, which may be copper alloy or other materials with good conductivity, the fixing piece 1 should be a rectangular piece with uniform thickness, and the fixing piece 1 is bent in a shape of a "table", and mainly includes a mounting portion 11, a connecting portion 12, a guiding portion 13 and a supporting portion 14.
The installation department 11 is vertical setting, and the one end of installation department 11 is folding 180, forms a double-deck conducting layer, can increase the current-carrying area like this, reduces the condition of generating heat, increase of service life, and the folding width of double-deck conducting layer can be selected by oneself according to actual demand.
Two riveting holes penetrating through the mounting part 11 are formed on the surface of the mounting part 11 and close to the double-layer conductive layer and perpendicular to the mounting part 11, and the movable spring leading-out pin can be riveted on the mounting part 11 through the riveting holes.
The other end of the mounting part 11 is bent with a connecting part 12 perpendicular to the mounting part 11, the connecting part 12 is mainly used for connecting the mounting part 11 and the guiding part 13, the width of the connecting part 12 is the same as that of the mounting part 11, and the bending direction of the connecting part 12 is opposite to the folding direction of the double-layer conductive layer on the mounting part 11.
One end of the connecting part 12 is bent downwards perpendicular to the connecting part 12, and a guiding part 13 is arranged at one end of the connecting part 12, wherein the guiding part 13 is perpendicular to the connecting part 12 and is parallel and equidirectional to the mounting part 11.
The two side surfaces of the guide part 13 are uniformly bent towards the middle part of the guide part 13, the bending angle is 180 degrees, the two side surfaces form a guide chute 15 with a cavity in the middle part through bending, in order to ensure the normal use of the device, the inside of the guide chute 15 is smooth and clean, the inner side surface of the guide chute 15 is parallel to the inner side surface of the guide part 13, the interval in the guide chute 15 is slightly larger than the material thickness of the moving sheet 2, and the sliding part 21 on the moving sheet 2 can be inserted in the guide chute 15 and can move up and down along the guide chute 15.
In order to prevent the position interference between the conductive part 22 on the moving plate 2 and the guide chute 15, the interval between the lower surface of the guide chute 15 and the upper surface of the supporting part 14 is larger than the thickness of the material of the moving plate 2 and slightly smaller than the moving distance during the moving contact point combination, so that the conductive part 22 can be contacted with the supporting part 14 during the moving contact point combination to form a complete loop with the fixing plate 1.
At the end of the guide portion 13, a support portion 14 is bent horizontally outward perpendicular to the guide portion 13, and the support portion 14 is parallel to the guide portion 13 and the connecting portion 12.
The upper surface of the supporting part 14 is outwards protruded with a spring fixing table 16 perpendicular to the supporting part 14, the spring fixing table 16 is annular, a reset spring 17 is clamped in a pit of the spring fixing table 16, one end of the reset spring 17 is fixed in the spring fixing table 16 on the surface of the supporting part 14, and the other end is connected with the movable piece 2.
As shown in fig. 1, 2 and 3, the fixing piece 2 is made of a metal material with good conductivity and certain strength, which may be copper alloy or other materials with good conductivity, the fixing piece 2 should be a rectangular piece with uniform thickness, the fixing piece 2 is bent into a shape of , and the fixing piece 2 mainly comprises a sliding part 21, a conductive part 22 and a functional part 23.
The sliding part 21 is vertically arranged, the sliding part 21 is integrally inserted into the guide chute 15, the sliding part 21 and the conductive part 22 are arranged in parallel, two ends of the sliding part 21 are bent in the same direction perpendicular to the sliding part 21, a longer section is a functional part 23, the upper end of the sliding part 21 is far away from the supporting part 14, a shorter section is the conductive part 22, the lower end of the sliding part 21 is close to the supporting part 14, and the conductive part 22 is contacted with the supporting part 14 when the dynamic contact and the static contact are combined.
In order to facilitate the fixation of the return spring 17, a spring fixing table 16 which is matched with the spring fixing table 16 on the supporting part 14 is arranged on the center of the lower surface of the functional part 23, and the two spring fixing tables 16 vertically correspond to each other, so that after the movable contact and the fixed contact are loosened, the movable sheet 2 resets along the guide chute 15 under the action of the return spring 17, and the contact jumping phenomenon existing after the movable contact and the fixed contact are loosened can be effectively avoided.
In order to ensure stable operation of the device, the spring force of the return spring 17 should be smaller than the pressure exerted by the armature on the moving plate 2, so that when the armature exerts pressure on the moving plate 2, the moving plate 2 can descend along the guide chute 15, so that the moving and static contacts can be contacted.
The surface of the functional part 23 is perpendicular to the functional part 23, a mounting hole 24 which penetrates through the functional part 23 and is used for mounting a movable contact is formed, the movable contact is mounted in the mounting hole 24, a boss is arranged on the upper surface of the functional part 23 perpendicular to the functional part 23, and a supporting rod on an armature is contacted with the boss, so that the armature can be pushed to the same position each time the armature pushes the movable sheet 2, and the integral neutrality of the device is ensured.
The use process of the embodiment is as follows: the whole device is in the use and moves the conductive part 22 on the piece 2 and the supporting part 14 contactless under the effect of reset spring 17, and the sound contact is in the disconnected state of contactless simultaneously, and when using, armature removes under the effect of electro-magnet, and the branch on the armature moves functional part 23 this moment, and the sliding part 21 on the piece 2 slides downwards in direction spout 15 this moment, and then makes conductive part 22 and supporting part 14 contact, then sound contact, accomplishes the intercommunication of whole circuit, and when needs disconnection, the electro-magnet outage, and the piece 2 rises under the effect of reset spring 17 for sound contact loosens, accomplishes the disconnection of circuit.
The above embodiments are only for illustrating the technical idea of the present utility model, and the protection scope of the present utility model is not limited thereto, and any modification made on the basis of the technical scheme according to the technical idea of the present utility model falls within the protection scope of the present utility model.
Claims (8)
1. A movable reed structure of an electromagnetic relay is characterized in that: including stationary blade (1) and movable blade (2), stationary blade (1) are connected with working circuit through installation department (11) on oneself, and movable blade (2) set up on stationary blade (1), offer on movable blade (2) and be used for installing mounting hole (24) of movable contact, the upper surface contact of armature and movable blade (2), movable blade (2) can slide along guiding portion (13) on stationary blade (1) under the effect of armature, drive the movable contact on mounting hole (24) and the stationary contact on the stationary reed.
2. The movable contact spring structure of an electromagnetic relay according to claim 1, wherein: one end of installation department (11) is folded to bilayer conducting layer to open perpendicular to installation department (11) in bilayer conducting layer department has the riveting hole that is used for riveting movable spring pin, the other end of installation department (11) bend have one with installation department (11) vertically connecting portion (12), installation department (11) and guiding portion (13) are connected to connecting portion (12), guiding portion (13) perpendicular to connecting portion (12) are parallel with installation department (11), and one end of guiding portion (13) is bent have one with guiding portion (13) vertically supporting part (14), supporting portion (14) are parallel with connecting portion (12).
3. The movable contact spring structure of the electromagnetic relay according to claim 2, wherein: a spring fixing table (16) is arranged on the upper surface of the supporting part (14) perpendicular to the supporting part (14), a reset spring (17) is arranged in the spring fixing table (16), and one end of the reset spring (17) is contacted with one end of the supporting part (14) and one end of the reset spring is contacted with the moving sheet (2).
4. The movable contact spring structure of the electromagnetic relay according to claim 2, wherein: two side surfaces of the guide part (13) are bent 180 degrees to form a guide chute (15) with a cavity in the middle, and a sliding part (21) on the moving sheet (2) is inserted into the guide chute (15).
5. The movable contact spring structure of the electromagnetic relay according to claim 3, wherein: the elastic force of the return spring (17) is smaller than the pressure exerted by the armature on the moving sheet (2).
6. The movable contact spring structure of the electromagnetic relay according to claim 4, wherein: the lower surface of the guide chute (15) is not contacted with the upper surface of the supporting part (14), and the distance between the lower surface and the upper surface is larger than the thickness of the material of the moving sheet (2).
7. The movable contact spring structure of an electromagnetic relay according to claim 1, wherein: the movable piece (2) comprises a sliding part (21), a conductive part (22) and a functional part (23), wherein the conductive part (22) and the functional part (23) are distributed in parallel, and the sliding part (21) is arranged between the conductive part (22) and the functional part (23) and connects the conductive part (22) and the functional part (23).
8. The movable contact spring structure of the electromagnetic relay according to claim 7, wherein: a spring fixing base (16) for fixing the return spring (17) is provided on the lower surface of the functional part (23) perpendicularly to the functional part (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321008758.0U CN219873354U (en) | 2023-04-28 | 2023-04-28 | Movable reed structure of electromagnetic relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321008758.0U CN219873354U (en) | 2023-04-28 | 2023-04-28 | Movable reed structure of electromagnetic relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219873354U true CN219873354U (en) | 2023-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321008758.0U Active CN219873354U (en) | 2023-04-28 | 2023-04-28 | Movable reed structure of electromagnetic relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219873354U (en) |
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2023
- 2023-04-28 CN CN202321008758.0U patent/CN219873354U/en active Active
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