CN214175940U - Steady relay with connecting pins - Google Patents
Steady relay with connecting pins Download PDFInfo
- Publication number
- CN214175940U CN214175940U CN202120348164.9U CN202120348164U CN214175940U CN 214175940 U CN214175940 U CN 214175940U CN 202120348164 U CN202120348164 U CN 202120348164U CN 214175940 U CN214175940 U CN 214175940U
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- armature
- movable
- insulator
- terminal
- fixed
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- 239000012212 insulator Substances 0.000 claims abstract description 51
- 238000003466 welding Methods 0.000 claims abstract description 47
- 230000003068 static effect Effects 0.000 claims abstract description 13
- 230000001681 protective effect Effects 0.000 claims description 15
- 238000005096 rolling process Methods 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 8
- 230000000903 blocking effect Effects 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 6
- 229910000679 solder Inorganic materials 0.000 description 3
- 238000005476 soldering Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
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Abstract
The utility model relates to the technical field of relays, in particular to a firm-pin-connected relay, which comprises an insulator, an electromagnet and a terminal unit which are arranged on the insulator, and an armature unit which is movably arranged on the electromagnet; the electromagnet drives the two terminal units to be synchronously conducted or synchronously separated through the armature unit; the welding feet of the two power terminals, the welding feet of the movable terminals and the welding feet of the static terminals respectively protrude out of the bottom surface of the insulator and are respectively positioned in the middle and two ends of the insulator; the position layout of the welding leg of the power terminal, the welding leg of the movable terminal and the welding leg of the static terminal on the insulator enables the insulator to be stably welded on an external circuit board, and the poor use caused by unstable welding of the relay is prevented.
Description
Technical Field
The utility model relates to a relay technical field especially discloses a even firm formula relay of foot.
Background
The relay is the automatic switch that various circuits were used commonly, and the relay is formed by a plurality of spare parts equipment, after the relay equipment was accomplished, often need weld the relay on external circuit board, and prior art relay's structural design is unreasonable, welds on the circuit board when the relay, and the atress of relay is uneven, and the relay often can be because of external vibrations or unexpected touching the beat, leads to the performance of relay unstable.
SUMMERY OF THE UTILITY MODEL
In order to overcome the shortcoming and the deficiency that exist among the prior art, the utility model aims to provide a link foot firm formula relay for the insulator is firm to be welded on external circuit board, prevents that the relay from welding unstably and using badly with the help of the position overall arrangement of the leg of power supply terminal, the leg of moving the terminal, the leg of quiet terminal on the insulator.
In order to achieve the above object, the present invention provides a stable pin-connected relay, which includes an insulator, an electromagnet and a terminal unit disposed on the insulator, and an armature unit movably disposed on the electromagnet, wherein the terminal unit includes a movable terminal and a stationary terminal, and the electromagnet drives the movable terminal to move via the armature unit, so that the movable terminal turns on or off the stationary terminal; the electromagnet drives the two terminal units to be synchronously conducted or synchronously separated through the armature unit; the welding feet of the two power terminals, the welding feet of the movable terminals and the welding feet of the static terminals respectively protrude out of the bottom surface of the insulator and are respectively positioned in the middle and two ends of the insulator, and the welding feet of the two power terminals, the welding feet of the movable terminals of the two terminal units and the welding feet of the static terminals of the two terminal units are respectively positioned on two sides, far away from the insulator, of the insulator.
The insulation push piece is movably contained in the sliding groove, the middle of the armature unit is arranged in the middle of the insulation push piece, and two ends of the insulation push piece are respectively arranged on the movable terminals of the two terminal units; the middle part of the insulating push sheet is provided with two elastic arms used for clamping the armature unit.
The armature unit is provided with two pits which are formed by being concavely arranged on two sides far away from each other of the armature unit, and free ends of the two elastic arms form protruding heads which respectively protrude into the two pits.
The armature unit comprises a movable armature, a permanent magnet and two fixed armatures, wherein each fixed armature is provided with a base part, a fixed part and two action parts, the fixed part and the two action parts are arranged on the base part in a coplanar manner, the fixed part and the action parts are respectively positioned on two sides of the base part, and the two action parts are positioned on the same side of the base part; the fixed part is arranged on the insulator, and the electromagnet is positioned between the two action parts; the permanent magnet is positioned between the two fixed armatures, and two magnetic poles of the permanent magnet respectively attract the base parts of the two fixed armatures; the electromagnet is provided with a through hole, the movable armature is arranged in the through hole of the electromagnet in a swinging mode, and two ends of the movable armature respectively protrude out of the electromagnet and are positioned between action parts of the two fixed armatures.
The electromagnet comprises an insulating framework and a coil wound outside the insulating framework, a through hole is formed in the insulating framework and penetrates through the insulating framework, and the coil is arranged around the movable armature and located between two action parts of the fixed armature; the middle part of the movable armature is arranged on the insulating framework in a swinging mode.
The thickness of the first end of the movable armature is larger than that of the other end of the movable armature along the length direction of the movable armature, rolling first balls are arranged on two sides of the middle of the movable armature, the insulating framework is provided with a groove which is concavely arranged from a perforated inner hole surface, and the groove is used for accommodating the first balls.
The outer side of one end of the movable armature is sleeved with a first protective shell, the first protective shell is provided with two first clamping plates for clamping the movable armature, the first clamping plates are provided with positioning bulges, and the first end of the movable armature is provided with a positioning recess for accommodating the positioning bulges; an action portion of the fixed armature has a raised rib having a semi-cylindrical convex surface for abutting against the first clamping plate.
The second protective shell is provided with a second clamping plate attached to one side, close to each other, of the two fixed armatures and used for blocking and abutting against the second end of the movable armature; the insulator has two spacer plates which project between the bases of the two fixed armatures, respectively.
The utility model has the advantages that: the welding feet of the two power terminals, the welding feet of the movable terminals and the welding feet of the static terminals respectively protrude out of the bottom surface of the insulator and are respectively positioned in the middle and two ends of the insulator; by means of the position layout of the welding feet of the power supply terminal, the welding feet of the movable terminal and the welding feet of the static terminal on the insulator, the left side, the right side, the front end, the terminal and the rear end of the insulator are all fixed on the circuit board, the insulator is stably welded on the external circuit board, and the problem that the relay is not stably welded and is poor in use is avoided.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the exploded structure of the present invention;
fig. 3 is a schematic structural diagram of an insulator and a fixed armature according to the present invention;
fig. 4 is a schematic structural view of the insulating push piece of the present invention.
The reference numerals include:
1-insulator 2-electromagnet 3-moving terminal
4-static terminal 5-power terminal 6-welding leg
7-insulating push piece 8-elastic arm 9-pit
11-movable armature 12-fixed armature 13-base
14-fixed part 15-action part 16-insulating framework
17-through hole 18-first protective shell 19-first clamping plate
21-second protective shell 22-partition plate 23-tin containing 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 4, a connection pin stable relay of the present invention includes an insulator 1, an electromagnet 2 and a terminal unit mounted on the insulator 1, and an armature unit movably disposed on the electromagnet 2, wherein the terminal unit includes a movable terminal 3 and a stationary terminal 4, and the electromagnet 2 drives the movable terminal 3 to move via the armature unit, so that the movable terminal 3 is turned on or turned off the stationary terminal 4.
The electromagnetic switch further comprises two power terminals 5 matched with the electromagnet 2, the power terminals 5 are approximately H-shaped, the power terminals 5 are provided with two wiring ends, the two wiring rings are arranged in parallel, when the coil of the electromagnet 2 is welded with the power terminals 5, the coil of the electromagnet 2 is sequentially wound on the two wiring ends, and the phenomenon that the coil of the electromagnet 2 is loosened from the power terminals 5 to cause poor conduction is avoided.
The number of the terminal units is two, the electromagnet 2 drives the two terminal units to be synchronously conducted or synchronously separated through the armature unit, the regulation and control of the two circuits are realized by means of the two terminal units, a relay does not need to be configured for the two circuits respectively, and the use cost of the relay is reduced.
The welding leg 6 of the power terminal 5, the welding leg 6 of the movable terminal 3, and the welding leg 6 of the fixed terminal 4 all protrude out of the bottom surface of the insulator 1 and are respectively located at the middle part and both ends of the insulator 1, for example, the welding leg 6 of the power terminal 5 is located at the front end of the insulator 1, the welding leg 6 of the movable terminal 3 is located at the middle part of the insulator 1, the welding leg 6 of the fixed terminal 4 is located at the rear end of the insulator 1, and the welding legs 6 of the two power terminals 5, the welding legs 6 of the movable terminals 3 of the two terminal units, and the welding legs 6 of the fixed terminals 4 of the two terminal units are respectively located at the left side and the right side where the insulator 1 is away from each other.
The welding feet 6 of the power terminals 5, the welding feet 6 of the movable terminals 3 and the welding feet 6 of the static terminals 4 all protrude out of the bottom surface of the insulator 1 and are respectively positioned in the middle and two ends of the insulator 1, and the welding feet 6 of the two power terminals 5, the welding feet 6 of the movable terminals 3 of the two terminal units and the welding feet 6 of the static terminals 4 of the two terminal units are respectively positioned on two sides of the insulator 1, which are far away from each other; by means of the position layout of the welding feet 6 of the power supply terminal 5, the welding feet 6 of the movable terminal 3 and the welding feet 6 of the static terminal 4 on the insulator 1, the left side, the right side, the front end, the terminal and the rear end of the insulator 1 are guaranteed to be fixed on a circuit board, the balance of the connecting force between each part of the insulator 1 and the circuit board is guaranteed, the insulator 1 is firmly welded on the external circuit board, and the problem that a relay is poor in use due to unstable welding is avoided.
Still include insulating push jack 7, insulating push jack 7 adopts insulating plastics to make, and insulator 1 has the spout, and the spout is established from the top surface of insulator 1 is concave to form, and insulating push jack 7 activity is held and is established in the spout, and the middle part of armature unit sets up on the middle part of insulating push jack 7, and the both ends of insulating push jack 7 set up respectively on the movable terminal 3 of two terminal units. The sliding grooves are used for guiding the moving direction of the insulating push sheet 7, so that the insulating push sheet 7 is prevented from being skewed in the moving process, and the insulating push sheet 7 is ensured to accurately drive the terminal 3 unit to be switched on or switched off.
The middle part of insulating kicking piece 7 has two elastic arms 8 that are used for centre gripping armature unit, grasps insulating kicking piece 7 with the help of two elastic arms 8, with the help of elastic deformation of elastic arm 8, is convenient for insulating kicking piece 7 and armature unit quick installation, quick dismantlement, promotes both dismouting efficiency.
The armature unit is provided with two concave pits 9, the concave pits 9 are concavely arranged from two sides of the armature unit far away from each other, in the embodiment, the concave pits 9 are concavely arranged from the upper end and the lower end of the armature unit, and free ends of the two elastic arms 8 form protruding heads which respectively protrude into the two concave pits 9. The abutting convex head is stopped by the inner groove surface of the concave pit 9, so that the armature unit and the insulating push sheet 7 are prevented from being separated from each other, and the problem that the elastic arm 8 and the armature unit are separated from each other and are not used well is avoided.
The armature unit comprises a movable armature 11, a permanent magnet and two fixed armatures 12, wherein each fixed armature 12 is provided with a base 13, a fixed part 14 and two action parts 15, the fixed armature 12 is arranged on the base 13 approximately in a U shape, the base 13, the fixed part 14 and the action parts 15 are arranged in a coplanar mode, the fixed part 14 and the action parts 15 are respectively positioned on the upper side and the lower side of the base 13, and the two action parts 15 are positioned on the same side of the base 13.
The fixing portions 14 are mounted on the insulator 1, and preferably, the number of the fixing portions 14 is two, the two fixing portions 14 are respectively located at two ends of the base portion 13, and the electromagnet 2 is located between the two acting portions 15. The permanent magnet is positioned between the two fixed armatures 12, the fixed permanent magnet is clamped by the two base parts 13 of the fixed armatures 12, the two magnetic poles of the permanent magnet respectively attract the base parts 13 of the two fixed armatures 12, and the two fixed armatures 12 have opposite polarities, namely the two fixed armatures 12 respectively have N poles and S poles.
The electromagnet 2 is provided with a through hole 17, the movable armature 11 is arranged in the through hole 17 of the electromagnet 2 in a swinging mode, and two ends of the movable armature 11 respectively protrude out of the electromagnet 2 and are located between the action parts 15 of the two fixed armatures 12. When the electromagnet 2 is electrified, the movable armature 11 generates magnetism, so that the two ends of the movable armature 11 are respectively an N pole and an S pole, then the movable armature 11 acts on the movable armature 11 by means of the two fixed armatures 12, the movable armature 11 swings relative to the electromagnet 2, the movable armature 11 drives the insulation push piece 7 to move, and the movable terminal 3 can be driven to be connected with or disconnected from the static terminal 4 by the moving insulation push piece 7.
The electromagnet 2 comprises an insulating framework 16 and a coil wound outside the insulating framework 16, a perforation 17 is arranged on the insulating framework 16 and penetrates through the insulating framework 16, the perforation 17 penetrates through the insulating framework 16 along the length direction of the insulating framework 16, and the coil is arranged around the movable armature 11 and located between two action parts 15 of the fixed armature 12. The middle part of the movable armature 11 is arranged on the insulating framework 16 in a swinging mode, and the movable armature 11 swings back and forth, so that the movable armature 11 drives the insulating push piece 7.
The thickness of the first end of the movable armature 11 is larger than that of the other end of the movable armature 11 along the length direction of the movable armature 11, and when the movable armature 11 is actually installed, the other end of the movable armature 11 is installed in the through hole 17 of the electromagnet 2, so that the alignment time of the movable armature and the through hole is shortened, and the installation efficiency of the movable armature and the through hole is improved. The two sides of the middle part of the movable armature 11 are both provided with rolling first balls, the insulating framework 16 is provided with a groove which is concavely arranged from the inner hole surface of the through hole 17, and the groove is used for accommodating the first balls. By means of the arrangement of the first ball, sliding friction between the movable armature 11 and the insulating framework 16 is converted into rolling friction, friction noise and abrasion are reduced, and abrasion dust generated by the sliding friction between the movable armature and the insulating framework is reduced from interfering normal use of the relay.
The outer side of one end of the movable armature 11 is sleeved with a first protective shell 18, the first protective shell 18 is provided with two first clamping plates 19 for clamping the movable armature 11, the first clamping plates 19 are provided with positioning protrusions, the first end of the movable armature 11 is provided with positioning recesses for accommodating the positioning protrusions, the positioning protrusions are accommodated by means of the positioning recesses, and the first protective shell 18 is prevented from moving relative to the movable armature 11.
The movable armature 11 is protected by the first protective shell 18, and when the movable armature 11 and the fixed armature 12 collide with each other, the movable armature 11 and the fixed armature are prevented from being damaged due to direct collision contact, and the service lives of the movable armature and the fixed armature are prolonged. An action portion 15 of the fixed armature 12 has a projecting rib having a semi-cylindrical convex surface for abutting against the first clamping plate 19. By means of the design of the semi-cylindrical convex surface, the sliding friction between the first clamping plate 19 and the fixed armature 12 is converted into rolling friction.
The magnetic iron further comprises a second protective shell 21 arranged on the other action part 15 of the fixed armature 12, and the second protective shell 21 is clamped on the fixed armature 12 by means of elastic clamping force, so that the fixed armature and the fixed armature are convenient to mount or dismount. The second protective shell 21 has a second clamping plate attached to one side of the two fixed armatures 12 close to each other, the second clamping plate is used for blocking and abutting against the second end of the movable armature 11, the second end of the movable armature 11 is prevented from directly colliding and contacting with the fixed armature 12, the fixed armature 12 is protected by the second clamping plate, and the service lives of the fixed armature 12 and the fixed armature 12 are prolonged.
The insulator 1 has two separating plates 22, the two separating plates 22 each projecting between the base parts 13 of the two fixed armatures 12. By virtue of the provision of the spacer plate 22, the two fixed armatures 12 are separated, so that the fixed armatures 12 are prevented from deforming close to each other and being used badly, and the accurate positioning of the two at the required positions is ensured.
The insulator 1 is provided with a plurality of second balls which are arranged in a rolling mode, the second balls stretch into the sliding grooves and are located on two sides of the insulating push piece 7 respectively, and the second balls are used for abutting against the insulating push piece 7. By means of the arrangement of the second balls, sliding friction between the two is converted into rolling friction.
The protruding head is provided with a third ball in a rotating way, and the third ball is accommodated in the concave pit 9 in a rolling way. By means of the free rolling of the third ball in the concave pit 9, the insulating push sheet 7 and the movable armature 11 can easily rotate relatively, so that the movable armature 11 can stably drive the insulating push sheet 7 to move, and the poor use caused by the overlarge friction resistance between the insulating push sheet 7 and the movable armature 11 is avoided.
The leg 6 is provided with the downthehole cone head of the solder joint of being convenient for insert external circuit board, still including setting up the appearance tin hole 23 on the leg 6, holds tin hole 23 and runs through leg 6, inserts the solder joint downthehole after when leg 6, pours into soldering tin into the solder joint downthehole, and automatic entering of soldering tin holds in tin hole 23, and the soldering tin between increase leg 6 and the circuit board is protected to have the volume, ensures that leg 6 stabilizes the welding on the circuit board.
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 pin connection stable relay comprises an insulator, an electromagnet and a terminal unit which are arranged on the insulator, and an armature unit which is movably arranged on the electromagnet, wherein the terminal unit comprises a movable terminal and a static terminal, and the electromagnet drives the movable terminal to move through the armature unit so that the movable terminal is switched on or switched off; the method is characterized in that: the electromagnet drives the two terminal units to be synchronously conducted or synchronously separated through the armature unit; the welding feet of the two power terminals, the welding feet of the movable terminals and the welding feet of the static terminals respectively protrude out of the bottom surface of the insulator and are respectively positioned in the middle and two ends of the insulator, and the welding feet of the two power terminals, the welding feet of the movable terminals of the two terminal units and the welding feet of the static terminals of the two terminal units are respectively positioned on two sides, far away from the insulator, of the insulator.
2. The pin-connected stationary relay according to claim 1, characterized in that: the insulation push piece is movably contained in the sliding groove, the middle part of the armature unit is arranged in the middle part of the insulation push piece, and two ends of the insulation push piece are respectively arranged on the movable terminals of the two terminal units; the middle part of the insulating push sheet is provided with two elastic arms used for clamping the armature unit.
3. The pin-secured relay according to claim 2, wherein: the armature unit is provided with two pits which are formed by being concavely arranged on two sides far away from each other of the armature unit, and free ends of the two elastic arms form protruding heads which respectively protrude into the two pits.
4. The pin-connected stationary relay according to claim 1, characterized in that: the armature unit comprises a movable armature, a permanent magnet and two fixed armatures, wherein the fixed armature is provided with a base part, a fixed part arranged on the base part and two action parts, the base part, the fixed part and the action parts are arranged in a coplanar manner, the fixed part and the action parts are respectively positioned on two sides of the base part, and the two action parts are positioned on the same side of the base part; the fixed part is arranged on the insulator, and the electromagnet is positioned between the two action parts of the fixed armature; the permanent magnet is positioned between the two fixed armatures, and two magnetic poles of the permanent magnet respectively attract the base parts of the two fixed armatures; the electromagnet is provided with a through hole, the movable armature is arranged in the through hole of the electromagnet in a swinging mode, and two ends of the movable armature respectively protrude out of the electromagnet and are positioned between action parts of the two fixed armatures.
5. The pin-secured relay according to claim 4, wherein: the electromagnet comprises an insulating framework and a coil wound outside the insulating framework, the through hole is formed in the insulating framework and penetrates through the insulating framework, and the coil is arranged around the movable armature and is positioned between the two action parts of the fixed armature; the middle part of the movable armature is arranged on the insulating framework in a swinging mode.
6. The pin-connected stationary relay according to claim 5, wherein: along the length direction of the movable armature, the thickness of the first end of the movable armature is larger than that of the other end of the movable armature, rolling first balls are arranged on two sides of the middle of the movable armature, the insulating framework is provided with a groove which is concavely arranged from a perforated inner hole surface, and the groove is used for accommodating the first balls.
7. The pin-connected stationary relay according to claim 6, wherein: the outer side of one end of the movable armature is sleeved with a first protective shell, the first protective shell is provided with two first clamping plates for clamping the movable armature, the first clamping plates are provided with positioning bulges, and the first end of the movable armature is provided with a positioning recess for accommodating the positioning bulges; an action portion of the fixed armature has a raised rib having a semi-cylindrical convex surface for abutting against the first clamping plate.
8. The pin-secured relay according to claim 7, wherein: the second protective shell is provided with a second clamping plate attached to one side of the two fixed armatures, which is close to each other, and the second clamping plate is used for blocking and abutting against the second end of the movable armature; the insulator has two spacer plates which project between the bases of the two fixed armatures, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120348164.9U CN214175940U (en) | 2021-02-07 | 2021-02-07 | Steady relay with connecting pins |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120348164.9U CN214175940U (en) | 2021-02-07 | 2021-02-07 | Steady relay with connecting pins |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214175940U true CN214175940U (en) | 2021-09-10 |
Family
ID=77594730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120348164.9U Active CN214175940U (en) | 2021-02-07 | 2021-02-07 | Steady relay with connecting pins |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214175940U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112768297A (en) * | 2021-02-07 | 2021-05-07 | 三友联众集团股份有限公司 | Steady relay with connecting pins |
-
2021
- 2021-02-07 CN CN202120348164.9U patent/CN214175940U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112768297A (en) * | 2021-02-07 | 2021-05-07 | 三友联众集团股份有限公司 | Steady relay with connecting pins |
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