CN109887803B - Improved communication electromagnetic relay - Google Patents
Improved communication electromagnetic relay Download PDFInfo
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- CN109887803B CN109887803B CN201910069179.9A CN201910069179A CN109887803B CN 109887803 B CN109887803 B CN 109887803B CN 201910069179 A CN201910069179 A CN 201910069179A CN 109887803 B CN109887803 B CN 109887803B
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- 238000004891 communication Methods 0.000 title claims abstract description 17
- 230000003068 static effect Effects 0.000 claims abstract description 34
- 230000000670 limiting effect Effects 0.000 claims abstract description 30
- 238000005452 bending Methods 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 75
- 238000003466 welding Methods 0.000 claims description 55
- 229910052742 iron Inorganic materials 0.000 claims description 28
- 230000003014 reinforcing effect Effects 0.000 claims description 17
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 6
- 230000000903 blocking effect Effects 0.000 abstract description 4
- 238000005476 soldering Methods 0.000 description 13
- 238000009413 insulation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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Abstract
The invention relates to the technical field of relays, in particular to an improved communication electromagnetic relay, which comprises an insulating body, an electromagnet and a terminal assembly, wherein the electromagnet and the terminal assembly are arranged on the insulating body; in the using process of the relay, the two ends of the first contact part are supported by the first supporting block and the second supporting block, the first contact part is prevented from bending and deforming towards the direction close to the first supporting plate, two limiting blocks are used for blocking two sides of the first contact part to be abutted against, and the first contact part is prevented from moving and deforming back and forth; the service life of the first static terminal is prolonged, and then the service life of the relay is prolonged.
Description
Technical Field
The invention relates to the technical field of relays, and particularly discloses an improved communication electromagnetic relay.
Background
The relay is a common automatic switch in various circuit control, the relay is various, the electromagnetic relay is one of the common relay types, the electromagnetic relay is provided with a moving contact and a fixed contact, during actual use, the moving contact is separated from the fixed contact through the contact fixed contact to realize the on-off of the relay, the structure design of the fixed contact in the prior art is unreasonable, the fixed contact can deform to cause the relay to be unable to be normally used, and the service life of the relay is greatly reduced.
Disclosure of Invention
In order to overcome the defects and shortcomings in the prior art, the invention aims to provide an improved communication electromagnetic relay, wherein a first supporting block and a second supporting block are used for supporting two ends of a first contact part, so that the first contact part is prevented from bending and deforming towards a direction close to a first supporting plate, two limiting blocks are used for blocking two sides of the first contact part and preventing the first contact part from moving and deforming forwards and backwards; the service life of the first static terminal is prolonged, and then the service life of the relay is prolonged.
In order to achieve the above-mentioned objective, an improved communication electromagnetic relay of the present invention includes an insulating body, an electromagnet and a terminal assembly disposed on the insulating body, wherein the terminal assembly includes a movable terminal and a first static terminal, the movable terminal is provided with an armature, the electromagnet is used for attracting the armature to drive the movable terminal to turn on the first static terminal or to separate from the first static terminal to turn off the first static terminal; the first static terminal comprises a first welding leg and a first contact part which is bent and extended from the first welding leg, the first contact part is perpendicular to the first welding leg, the insulating body is provided with a first supporting plate and a second supporting plate which are arranged in parallel, and the free end of the first welding leg penetrates through the first supporting plate and is used for being welded to an external circuit board; the second supporting plate is provided with a first supporting block and a second supporting block, the first supporting block is provided with a first positioning groove penetrating through the first supporting block, the second supporting block is provided with two limiting blocks, one end of the first welding leg, which is close to the first contact part, is accommodated in the first positioning groove, the free end of the first contact part is pressed on the second supporting block and protrudes into the space between the two limiting blocks, and the two limiting blocks are used for respectively stopping two sides of the first contact part; the movable terminal is provided with an elastic contact part protruding into the space between the first support block and the second support block, and the elastic contact part is used for conducting the first contact part.
Preferably, the first supporting block is provided with a limiting blind groove, the limiting blind groove is concavely formed from the top surface of the first supporting block, one end of the first contact part, which is close to the first welding leg, is accommodated in the limiting blind groove, and side walls on two sides of the limiting blind groove are used for stopping two sides of the first contact part; the plastic shell is sleeved outside the insulating body and used for packaging the electromagnet, the terminal assembly and the armature on the insulating body, and the inner wall of the plastic shell covers the opening of the limiting blind groove to stop the first contact part.
Preferably, the terminal assembly further comprises a second static terminal, the second static terminal is in an L shape, the second static terminal comprises a second welding leg and a second contact portion bent from the second welding leg, the free end of the second welding leg penetrates through the first supporting plate and is used for being welded to an external circuit board, the second contact portion abuts against one side, away from the first supporting plate, of the second supporting plate, the first contact portion and the second contact portion are arranged in parallel, the elastic contact portion is located between the first contact portion and the second contact portion, and the elastic contact portion is used for conducting the first contact portion or the second contact portion.
Preferably, the second supporting plate is provided with a second positioning groove penetrating through the second supporting plate, the second static terminal further comprises a turning part, the turning part is formed by bending a second welding leg, the second contact part is connected to the turning part, one end, close to the turning part, of the second welding leg is accommodated in the second positioning groove, the first welding leg and the second welding leg are located on the same side of the second supporting plate, and the second contact part protrudes into the space between the first supporting block and the second supporting block.
Preferably, one side of the second supporting plate far away from the first supporting plate is provided with a blind accommodating groove, the turning part and the second contact part are both positioned in the blind accommodating groove, and the side wall of the blind accommodating groove is used for stopping the second contact part and the turning part from abutting against.
Preferably, the movable terminal comprises a fixing part, the elastic contact part is formed by bending the fixing part, the armature is arranged at one end of the elastic contact part, which is close to the fixing part, the fixing part is provided with a third welding leg, the third welding leg penetrates through the first supporting plate and is used for being welded to an external circuit board, one end of the fixing part, which is far away from the elastic contact part, is used for abutting against the upper surface of the first supporting plate, and the first welding leg and the third welding leg are respectively positioned at two ends of the first supporting plate.
Preferably, the elastic contact portion comprises a first elastic piece, a second elastic piece, a connecting arm and two elastic arms, one ends of the two elastic arms are connected with the fixing portion, two ends of the connecting arm are respectively connected with the other ends of the two elastic arms, the first elastic piece and the second elastic piece are respectively connected to two sides of the connecting arm, the first elastic piece is located between the two elastic arms, the armature is connected to the first elastic piece, a third contact portion is arranged at the free end of the second elastic piece, and the third contact portion is used for conducting the first contact portion.
Preferably, the electromagnet comprises an iron core, a yoke and a coil, wherein the insulating body is provided with a column body connected with the first support plate and the second support plate, the iron core penetrates through the column body, the coil is wound on the outer side of the column body and is positioned between the first support plate and the second support plate, the yoke is L-shaped, the yoke is provided with a first iron plate and a second iron plate bent from the first iron plate, the first iron plate is connected with one end of the iron core, the first iron plate is arranged on the first support plate, the second iron plate is used for abutting against the first support plate and the second support plate, the other end of the iron core is used for attracting the armature, and the armature is used for conducting the second iron plate and the other end of the iron core; the insulating body is provided with a reinforcing sheet, the reinforcing sheet is U-shaped, two ends of the reinforcing sheet are respectively arranged on the first supporting plate and the second supporting plate, and the reinforcing sheet and the first static terminal are respectively positioned at two ends of the insulating body.
Preferably, the second iron plate is provided with two protruding blocks, the fixing part is positioned between the two protruding blocks, the fixing part is provided with two notch grooves, the two notch grooves are respectively used for accommodating the two protruding blocks, and the groove walls of the notch grooves are used for abutting against the protruding blocks; the first supporting plate is provided with two wiring terminals which are respectively communicated with two ends of the coil, the two wiring terminals are positioned on the same side of the first supporting plate, and the wiring terminals and the first welding legs are respectively positioned on two sides of the first supporting plate.
Preferably, the first iron plate is provided with a containing hole and a plurality of ribs protruding into the containing hole, one end of the iron core is provided with a riveting column protruding into the containing hole, the riveting column is used for being riveted into the containing hole, the ribs are arranged in parallel with the central axis of the containing hole, the ribs are in an annular array around the central axis of the containing hole, and the ribs are used for abutting against the outer surface of the riveting column.
The invention has the beneficial effects that: in the use of relay, utilize first supporting shoe, second supporting shoe to support the both ends of first contact portion, prevent that first contact portion from buckling deformation towards the direction that is close to first fagging, utilize two stopper stops the both sides of contradicting first contact portion, prevent that first contact portion from moving deformation back and forth, prevent that first quiet terminal from taking place to buckle deformation, the life of extension first quiet terminal, and then the life of extension relay.
Drawings
FIG. 1 is a schematic diagram of an exploded construction of the present invention;
fig. 2 is a schematic perspective view of an insulation body according to the present invention;
fig. 3 is a schematic structural view of the yoke of the present invention.
The reference numerals include:
1-insulator 2-moving terminal 3-first static terminal
4-armature 5-first leg 6-first contact portion
7-first supporting plate 8-second supporting plate 9-first supporting block
11-second supporting block 12-first positioning groove 13-limiting block
14-elastic contact part 15-limit blind groove 16-plastic shell
17-second static terminal 18-second soldering leg 19-second contact portion
21-second positioning groove 22-turning part 23-accommodating blind groove
24-fixing part 25-third welding leg 26-first spring piece
27-second spring 28-connecting arm 29-elastic arm
31-iron core 32-yoke 33-coil
34-column 35-reinforcing sheet 36-bump
37-notch groove 38-connecting terminal 39-accommodating hole
41-ribs 42-rivets.
Detailed Description
The present invention will be further described with reference to examples and drawings, which are not intended to be limiting, for the understanding of those skilled in the art.
Referring to fig. 1 to 3, an improved communication electromagnetic relay of the present invention includes an insulating body 1, an electromagnet and a terminal assembly disposed on the insulating body 1, wherein the terminal assembly includes a movable terminal 2 and a first static terminal 3, the movable terminal 2 is provided with an armature 4, and the electromagnet is used for attracting the armature 4 to drive the movable terminal 2 to turn on the first static terminal 3 or to separate from the first static terminal 3; the first static terminal 3 includes a first soldering leg 5 and a first contact portion 6 extending from the first soldering leg 5, the first static terminal 3 is substantially L-shaped, the first contact portion 6 is disposed perpendicular to the first soldering leg 5, the insulating body 1 has a first supporting plate 7 and a second supporting plate 8 disposed in parallel, and a free end of the first soldering leg 5 penetrates through the first supporting plate 7 and is used for soldering to an external circuit board; the second supporting plate 8 is provided with a first supporting block 9 and a second supporting block 11, the first supporting block 9 is provided with a first positioning groove 12 penetrating through the first supporting block 9, the second supporting block 11 is provided with two limiting blocks 13, one end of the first welding leg 5, which is close to the first contact part 6, is accommodated in the first positioning groove 12, the free end of the first contact part 6 is pressed on the second supporting block 11 and protrudes between the two limiting blocks 13, one end of the first contact part 6, which is close to the first welding leg 5, is pressed on the first supporting block 9, and the two limiting blocks 13 are used for respectively blocking the front side and the rear side of the first contact part 6; the movable terminal 2 is provided with an elastic contact portion 14 protruding into between the first support block 9 and the second support block 11, the elastic contact portion 14 being for conducting the first contact portion 6.
In the using process of the relay, the groove wall of the first positioning groove 12 is used for abutting against the first welding leg 5 to prevent the first welding leg 5 from moving back and forth and moving left and right; the left end and the right end of the first contact part 6 are supported by the first supporting block 9 and the second supporting block 11, the first contact part 6 is prevented from bending and deforming towards the direction close to the first supporting plate 7, the front side and the rear side of the first contact part 6 are blocked and abutted by the two limiting blocks 13, the first contact part 6 is prevented from moving and deforming forwards and backwards, the service life of the first static terminal 3 is prolonged, and the service life of the relay is prolonged.
The first supporting block 9 is provided with a limiting blind groove 15, the limiting blind groove 15 is concavely formed in the top surface of the first supporting block 9, one end, close to the first welding leg 5, of the first contact portion 6 is contained in the limiting blind groove 15, one end, close to the first welding leg 5, of the first contact portion 6 is pressed and held on the bottom wall of the limiting blind groove 15, and side walls on two sides of the limiting blind groove 15 are used for abutting and stopping the front side and the rear side of the first contact portion 6, so that the first contact portion 6 is further prevented from moving and deforming forwards and backwards.
The plastic shell 16 is sleeved outside the insulating body 1, the plastic shell 16 is used for packaging the electromagnet, the terminal assembly and the armature 4 on the insulating body 1, and the inner wall of the plastic shell 16 covers the opening of the limiting blind groove 15 to stop the first contact part 6 from abutting against, so that the first contact part 6 is prevented from bending and deforming towards the direction far away from the first supporting plate 7.
The terminal assembly further comprises a second static terminal 17, the second static terminal 17 is approximately L-shaped, the second static terminal 17 comprises a second welding leg 18 and a second contact part 19 bent from the second welding leg 18, the free end of the second welding leg 18 penetrates through the first supporting plate 7 and is used for being welded to an external circuit board, the second contact part 19 abuts against one side, far away from the first supporting plate 7, of the second supporting plate 8, the second contact part 19 is supported by the second supporting plate 8, bending deformation of the second contact part 19 in the direction approaching the first supporting plate 7 is prevented, the first contact part 6 and the second contact part 19 are arranged in parallel, the elastic contact part 14 is located between the first contact part 6 and the second contact part 19, and the elastic contact part 14 is used for conducting the first contact part 6 or the second contact part 19. In actual use, the first contact part 6 and the second contact part 19 are utilized to limit the up-and-down movement of the elastic contact part 14, the first support block 9 and the second support block 11 are utilized to limit the left-and-right movement of the elastic contact part 14, the elastic contact part 14 is ensured to move in a preset area, and the phenomenon that the relay cannot be normally used due to the change of the moving area of the elastic contact part 14 is avoided.
The second support plate 8 is provided with a second positioning groove 21 penetrating through the second support plate 8, the first positioning groove 12 and the second positioning groove 21 are arranged at intervals, the second static terminal 17 further comprises a turning part 22, the turning part 22 is formed by bending a second welding leg 18, the turning part 22 and the second welding leg 18 are vertically arranged, the second contact part 19 is connected to one end, far away from the second welding leg 18, of the turning part 22, the second contact part 19 and the turning part 22 are arranged in a coplanar mode, one end, close to the turning part 22, of the second welding leg 18 is accommodated in the second positioning groove 21, the first welding leg 5 and the second welding leg 18 are located on the same side of the second support plate 8, and the second contact part 19 protrudes into the space between the first support block 9 and the second support block 11.
The second fagging 8 is kept away from the one side of first fagging 7 and is equipped with the blind groove 23 of holding, and the blind groove 23 of holding is concavely established from the upper surface of second fagging 8 and is formed, and turn portion 22, second contact 19 all are located the blind groove 23 of holding, and the lateral wall in blind groove 23 of holding is used for stopping conflict second contact 19 and turn portion 22, and then prevents to take place to remove and cause the terminal subassembly to switch on badly because of the position of second contact 19.
The movable terminal 2 comprises a fixing portion 24, the movable terminal 2 is approximately L-shaped, the elastic contact portion 14 is formed by bending the fixing portion 24, the armature 4 is arranged at one end of the elastic contact portion 14 close to the fixing portion 24, the fixing portion 24 is provided with a third soldering leg 25, the third soldering leg 25 penetrates through the first supporting plate 7 and is used for being welded to an external circuit board, one end of the fixing portion 24, which is far away from the elastic contact portion 14, is used for abutting against the upper surface of the first supporting plate 7, the fixing portion 24 is prevented from being excessively installed in the insulating body 1, and the first soldering leg 5 and the third soldering leg 25 are respectively located at the left end and the right end of the first supporting plate 7. After the relay is installed on an external circuit board, the first supporting plate 7 is abutted against the circuit board, the first welding leg 5 and the third welding leg 25 are welded on the circuit board, and the stress balance at the two ends of the insulating body 1 is ensured, so that the relay is firmly fixed on the circuit board.
The elastic contact portion 14 includes a first elastic piece 26, a second elastic piece 27, a connecting arm 28, and two elastic arms 29, one end of the two elastic arms 29 is connected with the fixing portion 24, two ends of the connecting arm 28 are respectively connected with the other ends of the two elastic arms 29, the connecting arm 28 is located between the two elastic arms 29, the first elastic piece 26 and the second elastic piece 27 are respectively connected to the left side and the right side of the connecting arm 28, the first elastic piece 26 is located between the two elastic arms 29, the armature 4 is connected to the first elastic piece 26, the free end of the second elastic piece 27 is provided with a third contact portion, the third contact portion is used for conducting the first contact portion 6 or the second contact portion 19, the third contact portion is located between the first contact portion 6 and the second contact portion 19, and the third contact portion is located between the first support block 9 and the second support block 11.
When the third contact portion is in contact with and conducts the first contact portion 6 or the second contact portion 19, the elastic deformation of the second elastic sheet 27 is utilized to increase the contact force between the third contact portion and the first contact portion 6 (or the second contact portion 19), so that stable contact and conduction between the third contact portion and the first contact portion and between the third contact portion and the second contact portion are ensured, and the relay is prevented from being separated due to vibration or accidental contact. The armature 4 is connected to the first elastic sheet 26, so that the armature 4 is elastically connected to the elastic contact portion 14 via the first elastic sheet 26, and the attraction force of the electromagnet attracting the armature 4 is avoided from interfering normal contact conduction between the third contact portion and the first contact portion 6 (or the second contact portion 19).
The electromagnet comprises an iron core 31, a yoke 32 and a coil 33, wherein the insulating body 1 is provided with a column 34 for connecting the first supporting plate 7 and the second supporting plate 8, the iron core 31 penetrates through the column 34, the coil 33 is wound on the outer side of the column 34 and is positioned between the first supporting plate 7 and the second supporting plate 8, the yoke 32 is L-shaped, the yoke 32 is provided with a first iron plate and a second iron plate bent from the first iron plate, the first iron plate is connected to one end of the iron core 31, the first iron plate is arranged on the first supporting plate 7, the second iron plate is used for abutting against the first supporting plate 7 and the second supporting plate 8, the other end of the iron core 31 is used for attracting the armature 4, and the armature 4 is used for conducting the second iron plate and the other end of the iron core 31; the insulation body 1 is provided with a reinforcing sheet 35, the reinforcing sheet 35 is U-shaped, two ends of the reinforcing sheet 35 are respectively arranged on the first supporting plate 7 and the second supporting plate 8, and the reinforcing sheet 35 and the first static terminal 3 are respectively positioned at two ends of the insulation body 1; by adding the reinforcing sheet 35, the strength of the insulating body 1 is increased, and the first supporting plate 7 and the second supporting plate 8 are limited by the reinforcing sheet 35 in the process of collision contact of the movable terminal 2 with the first contact part 6 (or the second contact part 19), so that the first supporting plate 7 and the second supporting plate 8 are prevented from being deformed due to the approaching of the first supporting plate 7 and the second supporting plate 8. Preferably, the reinforcing sheet 35 is made of a non-magnetically conductive material, for example, the reinforcing sheet 35 is made of stainless steel, so as to avoid the reinforcing sheet 35 being magnetized to interfere with the normal conduction of the contact assembly.
The second iron plate of the yoke 32 is provided with two protruding blocks 36, the fixing part 24 is positioned between the two protruding blocks 36, the fixing part 24 is provided with two notch grooves 37, the two notch grooves 37 are respectively used for accommodating the two protruding blocks 36, and the groove walls of the notch grooves 37 are used for abutting against the blocking protruding blocks 36; after the movable terminal 2 is mounted on the insulating body 1, the two protruding blocks 36 respectively protrude into the two notch grooves 37, and the two protruding blocks 36 are utilized to limit the fixed part 24, so that the accurate limit of the movable terminal 2 is realized, and the movable terminal 2 is ensured to be stably positioned at a required accurate position.
The first supporting plate 7 is provided with two wiring terminals 38, the two wiring terminals 38 are respectively communicated with two ends of the coil 33, the two wiring terminals 38 are positioned on the same side of the first supporting plate 7, and the wiring terminals 38 and the first welding legs 5 are respectively positioned on two sides of the first supporting plate 7; in actual use, the wiring terminal 38, the first soldering leg 5, the second soldering leg 18 and the third soldering leg 25 are all welded on the circuit board, so that the front end and the rear end of the insulating body 1 and the left end and the right end of the insulating body 1 are respectively and evenly stressed and installed on the circuit board, and the situation that the insulating body 1 is partially stressed to be inclined is avoided.
The first iron plate of the yoke 32 is provided with a containing hole 39 and a plurality of ribs 41 protruding into the containing hole 39, one end of the iron core 31 is provided with a riveting column 42 protruding into the containing hole 39, the riveting column 42 is used for being riveted into the containing hole 39, the ribs 41 are arranged in parallel with the central axis of the containing hole 39, the ribs 41 are in an annular array around the central axis of the containing hole 39, and the ribs 41 are used for abutting against the outer surface of the riveting column 42.
After the rivet 42 is installed in the receiving hole 39, the rivet 42 presses the rib 41 to deform the rib 41, thereby ensuring that the rivet 42 is firmly and tightly positioned on the first iron plate, ensuring smooth transmission of the magnetic induction line between the iron core 31 and the first yoke 32, and ensuring stable use performance of the relay.
The foregoing is merely exemplary of the present invention, and those skilled in the art should not be considered as limiting the invention, since modifications may be made in the specific embodiments and application scope of the invention in light of the teachings of the present invention.
Claims (10)
1. An improved communication electromagnetic relay comprises an insulating body, an electromagnet and a terminal assembly, wherein the electromagnet and the terminal assembly are arranged on the insulating body, the terminal assembly comprises a movable terminal and a first static terminal, the movable terminal is provided with an armature, and the electromagnet is used for attracting the armature to drive the movable terminal to conduct the first static terminal or separate from the first static terminal to conduct; the method is characterized in that: the first static terminal comprises a first welding leg and a first contact part which is bent and extended from the first welding leg, the first contact part is perpendicular to the first welding leg, the insulating body is provided with a first supporting plate and a second supporting plate which are arranged in parallel, and the free end of the first welding leg penetrates through the first supporting plate and is used for being welded to an external circuit board; the second supporting plate is provided with a first supporting block and a second supporting block, the first supporting block is provided with a first positioning groove penetrating through the first supporting block, the second supporting block is provided with two limiting blocks, one end of the first welding leg, which is close to the first contact part, is accommodated in the first positioning groove, the free end of the first contact part is pressed on the second supporting block and protrudes into the space between the two limiting blocks, and the two limiting blocks are used for respectively stopping two sides of the first contact part; the movable terminal is provided with an elastic contact part protruding into the space between the first support block and the second support block, and the elastic contact part is used for conducting the first contact part.
2. The improved communication electromagnetic relay of claim 1 wherein: the first supporting block is provided with a limiting blind groove, the limiting blind groove is concavely formed from the top surface of the first supporting block, one end of the first contact part, which is close to the first welding leg, is accommodated in the limiting blind groove, and side walls on two sides of the limiting blind groove are used for stopping two sides of the first contact part; the plastic shell is sleeved outside the insulating body and used for packaging the electromagnet, the terminal assembly and the armature on the insulating body, and the inner wall of the plastic shell covers the opening of the limiting blind groove to stop the first contact part.
3. The improved communication electromagnetic relay of claim 1 wherein: the terminal assembly further comprises a second static terminal, the second static terminal is L-shaped, the second static terminal comprises a second welding leg and a second contact portion bent from the second welding leg, the free end of the second welding leg penetrates through the first supporting plate and is used for being welded to an external circuit board, the second contact portion abuts against one side, away from the first supporting plate, of the second supporting plate, the first contact portion and the second contact portion are arranged in parallel, the elastic contact portion is located between the first contact portion and the second contact portion, and the elastic contact portion is used for conducting the first contact portion or the second contact portion.
4. The improved communication electromagnetic relay of claim 3 wherein: the second supporting plate is provided with a second positioning groove penetrating through the second supporting plate, the second static terminal further comprises a turning part, the turning part is formed by bending a second welding leg, the second contact part is connected to the turning part, one end, close to the turning part, of the second welding leg is accommodated in the second positioning groove, the first welding leg and the second welding leg are located on the same side of the second supporting plate, and the second contact part protrudes into the space between the first supporting block and the second supporting block.
5. The improved communication electromagnetic relay of claim 4 wherein: one side of the second supporting plate, which is far away from the first supporting plate, is provided with a blind accommodating groove, the turning part and the second contact part are both positioned in the blind accommodating groove, and the side wall of the blind accommodating groove is used for stopping the second contact part and the turning part.
6. The improved communication electromagnetic relay of claim 1 wherein: the movable terminal comprises a fixing part, the elastic contact part is formed by bending the fixing part, the armature is arranged at one end of the elastic contact part, which is close to the fixing part, the fixing part is provided with a third welding leg, the third welding leg penetrates through the first supporting plate and is used for being welded to an external circuit board, one end of the fixing part, which is far away from the elastic contact part, is used for abutting against the upper surface of the first supporting plate, and the first welding leg and the third welding leg are respectively positioned at two ends of the first supporting plate.
7. The improved communication electromagnetic relay of claim 6 wherein: the elastic contact portion comprises a first elastic piece, a second elastic piece, a connecting arm and two elastic arms, one ends of the two elastic arms are connected with the fixing portion, two ends of the connecting arm are respectively connected with the other ends of the two elastic arms, the first elastic piece and the second elastic piece are respectively connected to two sides of the connecting arm, the first elastic piece is located between the two elastic arms, the armature is connected to the first elastic piece, the free end of the second elastic piece is provided with a third contact portion, and the third contact portion is used for conducting the first contact portion.
8. The improved communication electromagnetic relay of claim 1 wherein: the electromagnet comprises an iron core, a yoke and a coil, wherein the insulating body is provided with a column body for connecting the first supporting plate and the second supporting plate, the iron core penetrates through the column body, the coil is wound on the outer side of the column body and is positioned between the first supporting plate and the second supporting plate, the yoke is L-shaped and is provided with a first iron plate and a second iron plate bent from the first iron plate, the first iron plate is connected to one end of the iron core, the first iron plate is arranged on the first supporting plate, the second iron plate is used for abutting against the first supporting plate and the second supporting plate, the other end of the iron core is used for attracting the armature, and the armature is used for conducting the second iron plate and the other end of the iron core; the insulating body is provided with a reinforcing sheet, the reinforcing sheet is U-shaped, two ends of the reinforcing sheet are respectively arranged on the first supporting plate and the second supporting plate, and the reinforcing sheet and the first static terminal are respectively positioned at two ends of the insulating body.
9. The improved communication electromagnetic relay of claim 8 wherein: the second iron plate is provided with two convex blocks, the fixing part is positioned between the two convex blocks, the fixing part is provided with two notch grooves, the two notch grooves are respectively used for accommodating the two convex blocks, and the groove walls of the notch grooves are used for abutting against the convex blocks; the first supporting plate is provided with two wiring terminals which are respectively communicated with two ends of the coil, the two wiring terminals are positioned on the same side of the first supporting plate, and the wiring terminals and the first welding legs are respectively positioned on two sides of the first supporting plate.
10. The improved communication electromagnetic relay of claim 8 wherein: the first iron plate is provided with a containing hole and a plurality of ribs protruding into the containing hole, one end of the iron core is provided with a riveting column protruding into the containing hole, the riveting column is used for being riveted into the containing hole, the ribs are arranged in parallel with the central axis of the containing hole, the ribs are in an annular array around the central axis of the containing hole, and the ribs are used for abutting against the outer surface of the riveting column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910069179.9A CN109887803B (en) | 2019-01-24 | 2019-01-24 | Improved communication electromagnetic relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910069179.9A CN109887803B (en) | 2019-01-24 | 2019-01-24 | Improved communication electromagnetic relay |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109887803A CN109887803A (en) | 2019-06-14 |
| CN109887803B true CN109887803B (en) | 2023-12-12 |
Family
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006012565A (en) * | 2004-06-25 | 2006-01-12 | Matsushita Electric Works Ltd | Electromagnetic relay |
| CN203521705U (en) * | 2013-11-05 | 2014-04-02 | 宣德科技股份有限公司 | Socket connector |
| CN107658188A (en) * | 2017-10-10 | 2018-02-02 | 三友联众集团股份有限公司 | A kind of built-in relay of dynamic iron core |
| CN209561295U (en) * | 2019-01-24 | 2019-10-29 | 三友联众集团股份有限公司 | A kind of Modified communication electromagnetic relay |
-
2019
- 2019-01-24 CN CN201910069179.9A patent/CN109887803B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006012565A (en) * | 2004-06-25 | 2006-01-12 | Matsushita Electric Works Ltd | Electromagnetic relay |
| CN203521705U (en) * | 2013-11-05 | 2014-04-02 | 宣德科技股份有限公司 | Socket connector |
| CN107658188A (en) * | 2017-10-10 | 2018-02-02 | 三友联众集团股份有限公司 | A kind of built-in relay of dynamic iron core |
| CN209561295U (en) * | 2019-01-24 | 2019-10-29 | 三友联众集团股份有限公司 | A kind of Modified communication electromagnetic relay |
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| CN109887803A (en) | 2019-06-14 |
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