CN214254287U - Non-welding assembly guide connection type electromagnetic relay - Google Patents
Non-welding assembly guide connection type electromagnetic relay Download PDFInfo
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- CN214254287U CN214254287U CN202120348102.8U CN202120348102U CN214254287U CN 214254287 U CN214254287 U CN 214254287U CN 202120348102 U CN202120348102 U CN 202120348102U CN 214254287 U CN214254287 U CN 214254287U
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- insulating plate
- plastic shell
- electromagnetic relay
- iron core
- insulating
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Abstract
The utility model relates to the technical field of relays, in particular to a non-welded assembled conductive electromagnetic relay, which comprises an insulating plate, an electromagnet and a static terminal which are spliced and assembled on the insulating plate, a movable reed arranged on a yoke of the electromagnet, and an armature arranged on the movable reed; the insulating plate is provided with a first notch and a second notch, and the wiring part is provided with a through hole; the second notch is provided with a guide connection part which is provided with a pit for accommodating a guide pin of the voltage stabilizing device; inserting the coil into the through hole to be conducted with the wiring part, then inserting the wiring part into the first notch, and clamping the coil by means of the wiring part and the inner slot surface of the first notch; the guide pins of the voltage stabilizing device are clamped and fixed by the guide connection part and the inner groove surface of the second notch groove, so that the non-welding type rapid assembly of the coil and the voltage stabilizing device is realized, the assembly efficiency is improved, and the assembly cost is reduced.
Description
Technical Field
The utility model relates to a relay technical field especially discloses a non-welding equipment is led and is connect formula electromagnetic relay.
Background
The relay is the automatic switch spare commonly used in the circuit, and electromagnetic relay is one of the relay kind commonly used, and electromagnetic relay's spare part is more, for example, coil unit, electron device are the accessory commonly used, in installation between them, need weld with the help of soldering tin equipment etc. and lead to that the equipment is wasted time and energy, and the packaging efficiency is low.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects and shortcomings in the prior art, the utility model aims to provide a non-welding assembled conductive electromagnetic relay, which clamps a coil by means of a wiring part and the inner groove surface of a first notch; the guide pins of the voltage stabilizing device are clamped and fixed by the guide connection part and the inner groove surface of the second notch groove, non-welding type rapid assembly of the coil and the voltage stabilizing device is achieved, welding operation is not needed to be carried out by means of soldering tin equipment, assembly efficiency is improved, and assembly cost is reduced.
In order to achieve the above object, the present invention provides a non-welding assembled conductive electromagnetic relay, which includes an insulating plate, an electromagnet and a static terminal assembled on the insulating plate in a plugging manner, a movable spring disposed on a yoke of the electromagnet, and an armature disposed on the movable spring, wherein an iron core of the electromagnet is used for attracting the armature to make the movable spring turn on or turn off the static terminal; the electromagnetic switch also comprises a voltage stabilizing device and a pin terminal, wherein the pin terminal is inserted on the insulating plate and is provided with a clamping part clamped on the insulating plate, a wiring part arranged on the clamping part and a guide connection part; the second lacks the groove and holds and establish the guide connection portion, and the guide connection portion has the pit, and the pin centre gripping of voltage regulator device is between the inner trough face of guide connection portion and second lack the groove, and the pin of voltage regulator device holds and establishes in the pit.
The pin terminal further comprises a welding leg arranged on the clamping part, the welding leg extends out of the insulating plate and is used for being welded in a jack of an external circuit board, and the welding leg is provided with a through hole used for accommodating soldering tin and located in the jack.
The insulating plate is provided with two elastic clamping arms, the two elastic clamping arms enclose a positioning hole for accommodating the main body of the voltage stabilizing device, and the inner hole surface of the positioning hole is used for blocking and abutting against the main body of the voltage stabilizing device.
The number of the static terminals is two, each static terminal comprises a fixing part inserted on the insulating plate and a contact plate bent from the fixing part, and the insulating plate is provided with two supporting blocks for supporting the contact plates of the two static terminals respectively; the contact plates of the two static terminals are arranged in parallel, the movable reed is positioned between the contact plates of the two static terminals, and the movable reed is used for conducting the contact plate of one static terminal.
The plastic shell is in snap-fit connection with the insulating plate, the plastic shell is provided with an accommodating cavity for accommodating the electromagnet, the movable reed, the static terminal, the armature, the voltage stabilizing device and the pin terminal, and the insulating plate is used for covering an opening of the accommodating cavity; the plastic shell is provided with two supporting strips which are positioned in the accommodating cavity and used for abutting against the insulating plate.
Wherein, the plastic shell is provided with an air hole exposing the electromagnet, the air hole is formed by being concavely arranged on the outer side surface of the plastic shell, the air hole penetrates through the side wall of the plastic shell, and the air hole is wavy.
The air holes are formed in one end, far away from the insulating plate, of the plastic shell, the plastic shell is provided with the yielding holes and the covering plates located in the yielding holes, the yielding holes are formed in the top face of the plastic shell in a concave mode, and the yielding holes are communicated with the air holes.
Wherein, the electro-magnet has the insulating skeleton of grafting on the insulation board, and the coil is around establishing in the outside of insulating skeleton, and the yoke is installed on insulating skeleton, and the iron core is located insulating skeleton, and insulating skeleton is run through at the both ends of iron core, and the yoke is run through to the one end of iron core, and the other end of iron core is used for attracting armature, and the iron core has the centre bore that runs through the iron core.
The utility model has the advantages that: in the process of conducting connection of the coil of the electromagnet, the coil is inserted into the through hole to be conducted with the wiring part, then the wiring part is inserted into the first notch, and the coil is clamped by means of the wiring part and the inner groove surface of the first notch; in the guide connection process of the voltage stabilizing device, the guide pins of the voltage stabilizing device are clamped and fixed by the guide connection part and the inner groove surface of the second notch groove, so that the non-welding type rapid assembly of the coil and the voltage stabilizing device is realized, the assembly efficiency is improved, and the assembly cost is reduced.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic diagram of the explosion structure of the present invention;
fig. 3 is a partial cross-sectional enlarged view of the plastic shell of the present invention.
The reference numerals include:
1-insulating board 2-static terminal 3-yoke
4-coil 5-movable spring 6-armature
7-voltage stabilizer 8-pin terminal 9-clamping part
11-wiring portion 12-lead portion 13-pit
14-welding foot 15-elastic clamping arm 16-contact plate
17-plastic shell 18-air vent 19-cover plate
21-insulating framework 22-iron core 23-center hole
24, the leakage hole 71, the guide pin 111 and the through hole.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and accompanying drawings, which are not intended to limit the present invention.
Referring to fig. 1 to 3, the non-welded assembled conductive electromagnetic relay of the present invention includes an insulating plate 1, an electromagnet and a stationary terminal 2 assembled on the insulating plate 1 by plugging, a movable contact spring 5 disposed on a yoke 3 of the electromagnet, and an armature 6 disposed on the movable contact spring 5, wherein an iron core 22 of the electromagnet is used for attracting the armature 6 to move the movable contact spring 5, and the stationary terminal 2 is turned on or off by the movable contact spring 5.
Still include voltage regulator device 7 and pin terminal 8, pin terminal 8 pegs graft on insulation board 1, pin terminal 8 has the portion 9 of blocking of pegging graft card on insulation board 1, wiring portion 11 and the guide connection portion 12 of setting on portion 9 of blocking, insulation board 1 has first scarce groove and second scarce groove, it is formed from the concave establishment of the top surface of insulation board 1 to lack the groove, wiring portion 11 has the perforation 111 that is used for holding the coil 4 who establishes the electro-magnet, preferably, perforation 111 runs through wiring portion 11, first scarce groove is used for holding establishes wiring portion 11, the coil 4 centre gripping of electro-magnet is between wiring portion 11 and the inner groove face of first scarce groove.
The second notch accommodates a guide portion 12, the guide portion 12 has a recess 13, a lead 71 of the voltage regulator device 7 is held between the guide portion 12 and an inner groove surface of the second notch, and the lead 71 of the voltage regulator device 7 is accommodated in the recess 13. The guide pins 71 are stopped and limited by the inner side surfaces of the concave pits 13, so that the guide pins 71 are prevented from moving secondarily.
In the process of conducting connection of the coil 4 of the electromagnet, the coil 4 is firstly inserted into the through hole 111 and penetrates through the wiring part 11, then the wiring part 11 is inserted into the first notch, in the process, the coil 4 in the through hole 111 is automatically bent and enters between the wiring part 11 and the inner groove surface of the first notch, the coil 4 is clamped and fixed by virtue of the wiring part 11 and the inner groove surface of the first notch, and the conducting connection of the coil 4 and the wiring part 11 is realized.
In the process of conducting and connecting the voltage stabilizing device 7, the guide pin 71 of the voltage stabilizing device 7 is squeezed between the guide part 12 and the inner groove surface of the second notch groove, the guide pin 71 of the voltage stabilizing device 7 is clamped and fixed by means of the guide part 12 and the inner groove surface of the second notch groove, the guide part 12 is conducted with the guide pin 71, the non-welding type rapid assembly of the coil 4 and the voltage stabilizing device 7 is achieved, the assembly efficiency is improved, and the assembly cost is reduced.
The pin terminal 8 further includes a solder foot 14 disposed on the retaining portion 9, the solder foot 14 protrudes out of the insulating board 1 and is used for being soldered in a jack of an external circuit board, and the solder foot 14 has a through hole for accommodating solder and located in the jack. During the in-service use, insert soldering lug 14 in the jack of circuit board earlier, then add soldering tin in the jack, in the soldering tin in the jack can get into the through-hole automatically, with the help of the setting of through-hole, increase the reserve volume of soldering tin, treat after the soldering tin solidification, can weld soldering lug 14 on the circuit board firmly. Preferably, the through-hole extends through the solder tail 14.
The insulating plate 1 is provided with two elastic clamping arms 15, the two elastic clamping arms 15 are arranged at intervals, the two elastic clamping arms 15 enclose a positioning hole for accommodating the main body of the voltage stabilizer 7, and the inner hole surface of the positioning hole is used for blocking and abutting against the main body of the voltage stabilizer 7. The main body of the voltage stabilizing device 7 is clamped and positioned by the two elastic clamping arms 15, so that the problem that the voltage stabilizing device 7 is moved to cause poor use due to vibration of the relay is prevented.
In the installation process of the voltage stabilizer 7, the main body of the voltage stabilizer 7 is prevented between the two elastic clamping arms 15, then the main body of the voltage stabilizer 7 is pressed, so that the main body of the voltage stabilizer 7 pushes the two elastic clamping arms 15 to move towards the direction away from each other until the main body of the voltage stabilizer 7 enters the positioning hole, the main body of the voltage stabilizer 7 is limited by the inner hole surface of the positioning hole, and the installation efficiency of the main body of the voltage stabilizer 7 is improved.
The number of the static terminals 2 is two, the static terminals 2 include fixing portions inserted on the insulating plate 1 and contact plates 16 bent from the fixing portions, and the insulating plate 1 has two supporting blocks for supporting the contact plates 16 of the two static terminals 2 respectively. Preferably, the supporting block is L-shaped, and different portions of the supporting block respectively stop and abut against the contact plate 16, so as to stably position the contact plate 16 at a desired position, and compared with the static terminal 2 which is of a flat plate type structure, the static terminal 2 is prevented from being abutted by the movable contact spring 5 to move in position, so that the movable contact spring 5 can be ensured to accurately contact and conduct the contact plate 16, and the position of the contact plate 16 is prevented from being changed and the use is not good.
The contact plates 16 of the two fixed terminals 2 are arranged in parallel at intervals, the movable spring 5 is positioned between the contact plates 16 of the two fixed terminals 2, and the movable spring 5 is used for conducting the contact plate 16 of one fixed terminal 2. The movable spring 5 is limited by the contact plates 16 of the two static terminals 2 at the same time, so that the movable spring 5 moves in a correct stroke range, and the movable spring 5 is prevented from moving excessively and being used badly.
The electromagnetic switch also comprises a plastic shell 17, wherein the plastic shell 17 is connected with the insulating plate 1 in a buckling manner, the plastic shell 17 is provided with an accommodating cavity for accommodating the electromagnet, the movable reed 5, the static terminal 2, the armature 6, the voltage stabilizing device 7 and the pin terminal 8, and the insulating plate 1 is used for covering the opening of the accommodating cavity; the plastic shell 17 has two support bars located in the accommodating cavity, and the support bars are used for abutting against the insulating plate 1. The support bars are used for supporting the insulating plate 1 in a butting mode, and the situation that the electromagnet and the like are extruded and damaged due to the fact that the insulating plate 1 is excessively arranged in the containing cavity is avoided.
The plastic shell 17 is provided with an annular blind groove which is arranged around the insulating plate 1, after the insulating plate 1 is arranged in a correct position in the accommodating cavity of the plastic shell 17, glue is added into the annular blind groove, after the glue is cured, the insulating plate 1 is bonded with the plastic shell 17 on the one hand, and on the other hand, a gap between the insulating plate 1 and the plastic shell 17 is sealed, so that external sundries are prevented from entering the relay and interfering the normal use of the relay.
The plastic shell 17 is provided with air holes 18 exposing the electromagnets, the air holes 18 are formed by being concavely arranged on the outer side surface of the plastic shell 17, the air holes 18 penetrate through the side wall of the plastic shell 17, and the air holes 18 are wavy. During the use of the relay, after the temperature inside the relay rises, the internal gas can be exhausted through the air vent 18. Through the wave-shaped arrangement of the air holes 18, water entering the air holes 18 from the outside is blocked by means of wave-shaped wave crests, and the waterproof performance of the relay is improved.
The air holes 18 are located at one end, far away from the insulating plate 1, of the plastic shell 17, the plastic shell 17 is provided with abdicating holes and a covering plate 19 located in the abdicating holes, the abdicating holes are formed by being concavely arranged on the top surface of the plastic shell 17, and the abdicating holes are communicated with the air holes 18. In the manufacturing process of bleeder vent 18, a contact pin spare level is inserted, another contact pin spare is vertical to be inserted, two contact pin spare are contradicted together, treat plastic shell 17 and make the completion after, two contact pin spare are extracted, then pack into the hole of stepping down with cover plate 19, utilize cover plate 19 to cover sealed hole of stepping down, avoid water in getting into bleeder vent 18 via the hole of stepping down, when guaranteeing that bleeder vent 18 is convenient for process, promote plastic shell 17 waterproof performance.
The electromagnet has an insulating framework 21 inserted on the insulating plate 1, the coil 4 is wound on the outer side of the insulating framework 21, the yoke 3 is installed on the insulating framework 21, the iron core 22 is positioned in the insulating framework 21, two ends of the iron core 22 penetrate through the insulating framework 21, one end of the iron core 22 penetrates through the yoke 3, the other end of the iron core 22 is used for attracting the armature 6, and the iron core 22 is provided with a central hole 23 penetrating through the iron core 22. When the iron core 22 attracts the armature 6 to move towards the iron core 22, the moving armature 6 drives air to flow through the central hole 23, and the flowing air assists in dissipating heat of the iron core 22.
Preferably, the armature 6 is provided with a leak hole 24 for communicating with the central hole 23, and through the arrangement of the leak hole 24, after the iron core 22 sucks the armature 6, air can flow through the central hole 23 and the leak hole 24, so that the heat of the iron core 22 is dissipated on one hand, and on the other hand, the heat in the plastic shell 17 is ensured to be uniform, and the problem that the heat inside the relay is not uniform in cooling and heating and is not used well is avoided.
In this embodiment, the leg 14 of the pin terminal 8 is located at one end of the insulating board 1, the leg 14 of the yoke 3 is located at the other end of the insulating board 1, the leg 14 of the static terminal 2 is located at the middle of the insulating board 1, and after the leg 14 of the pin terminal 8, the leg 14 of the yoke 3 and the leg 14 of the static terminal 2 are all welded on the circuit board, the approximately uniform stress of each part of the insulating board 1 is ensured, and the phenomenon that the insulating board 1 is shaken due to uneven stress is avoided.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.
Claims (8)
1. A non-welding assembly conductive electromagnetic relay comprises an insulating plate, an electromagnet and a static terminal, a movable reed, an armature and an iron core, wherein the electromagnet and the static terminal are assembled on the insulating plate in an inserting mode; the method is characterized in that: the electromagnetic switch also comprises a voltage stabilizing device and a pin terminal, wherein the pin terminal is inserted on the insulating plate and is provided with a clamping part clamped on the insulating plate, a wiring part arranged on the clamping part and a guide connection part; the second lacks the groove and holds and establish the guide connection portion, and the guide connection portion has the pit, and the pin centre gripping of voltage regulator device is between the inner trough face of guide connection portion and second lack the groove, and the pin of voltage regulator device holds and establishes in the pit.
2. The non-welded assembled conductive electromagnetic relay according to claim 1, wherein: the pin terminal further comprises a welding leg arranged on the clamping part, the welding leg extends out of the insulating plate and is used for being welded in a jack of an external circuit board, and the welding leg is provided with a through hole used for accommodating soldering tin and located in the jack.
3. The non-welded assembled conductive electromagnetic relay according to claim 1, wherein: the insulation board is provided with two elastic clamping arms, the two elastic clamping arms enclose a positioning hole for accommodating the main body of the voltage stabilizing device, and the inner hole surface of the positioning hole is used for blocking and abutting against the main body of the voltage stabilizing device.
4. The non-welded assembled conductive electromagnetic relay according to claim 1, wherein: the number of the static terminals is two, the static terminals comprise fixing parts inserted on the insulating plate and contact plates bent from the fixing parts, and the insulating plate is provided with two supporting blocks for supporting the contact plates of the two static terminals respectively; the contact plates of the two static terminals are arranged in parallel, the movable reed is positioned between the contact plates of the two static terminals, and the movable reed is used for conducting the contact plate of one static terminal.
5. The non-welded assembled conductive electromagnetic relay according to claim 1, wherein: the plastic shell is connected with the insulating plate in a buckling mode and provided with an accommodating cavity used for accommodating the electromagnet, the movable reed, the static terminal, the armature, the voltage stabilizing device and the pin terminal, and the insulating plate is used for covering an opening of the accommodating cavity; the plastic shell is provided with two supporting strips which are positioned in the accommodating cavity and used for abutting against the insulating plate.
6. The non-welded assembled conductive electromagnetic relay according to claim 5, wherein: the plastic shell is provided with air holes, the air holes are formed by being concavely arranged on the outer side surface of the plastic shell, the air holes penetrate through the side wall of the plastic shell, and the air holes are wavy.
7. The non-welded assembled conductive electromagnetic relay according to claim 6, wherein: the air holes are formed in one end, far away from the insulating plate, of the plastic shell, the plastic shell is provided with abdicating holes and a covering plate located in the abdicating holes, the abdicating holes are formed in the top surface of the plastic shell in a concave mode, and the abdicating holes are communicated with the air holes.
8. The non-welded assembled conductive electromagnetic relay according to claim 1, wherein: the electro-magnet has the insulating skeleton of grafting on the insulation board, and the coil is around establishing in the outside of insulating skeleton, and the yoke is installed on insulating skeleton, and the iron core is located insulating skeleton, and insulating skeleton is run through at the both ends of iron core, and the yoke is run through to the one end of iron core, and the other end of iron core is used for attracting armature, and the iron core has the centre bore that runs through the iron core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120348102.8U CN214254287U (en) | 2021-02-07 | 2021-02-07 | Non-welding assembly guide connection type electromagnetic relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120348102.8U CN214254287U (en) | 2021-02-07 | 2021-02-07 | Non-welding assembly guide connection type electromagnetic relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214254287U true CN214254287U (en) | 2021-09-21 |
Family
ID=77726678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120348102.8U Active CN214254287U (en) | 2021-02-07 | 2021-02-07 | Non-welding assembly guide connection type electromagnetic relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214254287U (en) |
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2021
- 2021-02-07 CN CN202120348102.8U patent/CN214254287U/en active Active
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