CN207338262U - A kind of contact protection relay - Google Patents
A kind of contact protection relay Download PDFInfo
- Publication number
- CN207338262U CN207338262U CN201721305615.0U CN201721305615U CN207338262U CN 207338262 U CN207338262 U CN 207338262U CN 201721305615 U CN201721305615 U CN 201721305615U CN 207338262 U CN207338262 U CN 207338262U
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- movable contact
- contact
- yoke
- storage tank
- armature
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Abstract
Relay technical field is the utility model is related to, in particular discloses a kind of contact protection relay, including pedestal, is installed in driving mechanism, moved end and the static terminal of pedestal；Pedestal is equipped with storage tank, and static terminal is equipped with the stationary contact protruded into storage tank, and moved end is equipped with the movable contact protruded into storage tank, and driving mechanism is used to driving movable contact to be turned on or off stationary contact；In actual use, the related movable contact of driving mechanism driving moved end moves back and forth, and then realize being turned on or off for movable contact and stationary contact, the stationary contact of the utility model is respectively positioned in storage tank with movable contact, utilize the sidewall protection movable contact and movable contact of storage tank, in the assembling process of relay, avoid other accessories of relay from touching movable contact or stationary contact, extend the service life of contact；During the use of relay, avoid other accessories of relay from interfering the normal use of contact, lift the performance of relay.
Description
Technical field
Relay technical field is the utility model is related to, in particular discloses a kind of contact protection relay.
Background technology
Relay as " automatic switch " in circuit, be in many electronic equipments essential primary element it
One；Relay mostly includes drive component and contact assembly, in actual use, is realized and touched using drive component contact-actuating component
Point component is turned on or off；The contact assembly of existing relay mostly exposes, in the assembling process of relay, relay
Other accessories can touch contact, cause contact to damage；In addition, during the use of relay, the other of relay match somebody with somebody
Part can also disturb the normal use of contact, be unfavorable for the lifting of relay performance.
Utility model content
In order to overcome shortcoming and defect existing in the prior art, the purpose of this utility model is to provide a kind of contact to prevent
Shield formula relay, in the assembling process of relay, avoids other accessories of relay from touching movable contact or stationary contact, extends
The service life of contact；During the use of relay, other accessories of relay are avoided to cause the normal use of contact
Interference, lifts the performance of relay.
To achieve the above object, a kind of contact protection relay of the utility model, including pedestal, are installed in pedestal
Driving mechanism, moved end and static terminal, driving mechanism are used to drive dynamic terminal movable；The pedestal is equipped with storage tank, static terminal
Equipped with the stationary contact protruded into storage tank, moved end is equipped with the movable contact protruded into storage tank, and driving mechanism is used to drive
Movable contact is turned on or off stationary contact.
Preferably, the static terminal includes weld part, connecting plate portion, connecting welding portion and the twist part in connecting plate portion, weld part
Substrate is installed in, stationary contact is installed in connecting plate portion.
Preferably, the driving mechanism includes electromagnet and armature, and electromagnet includes skeleton, coil, iron core and yoke, bone
Rack-mounted to be arranged on pedestal, coil is set around skeleton, and iron core is installed in skeleton, and coil encircling iron core is set, one end of yoke and iron
The other end of the end thereof contacts of core, the other end of yoke and iron core is arranged at intervals, and moved end attached bag includes moving of be connected respectively with yoke
Reed and pin, armature are installed in movable contact spring, and the other end of iron core is used to attract armature, and armature is used for the other end for turning on iron core
And the other end of yoke, movable contact are arranged on movable contact spring.
Preferably, the storage tank is arranged at skeleton, and one end of static terminal is protruded into storage tank, a distal process of movable contact spring
Stretch into storage tank.
Preferably, the storage tank runs through skeleton, and static terminal, movable contact spring protrude into storage tank from the both ends of storage tank respectively
It is interior.
Preferably, the movable contact spring includes the arc-like sheet of the first sheet body, the second sheet body, the first sheet body of connection and the second sheet body
Body, the first sheet body and the second sheet body are arranged in a crossed manner, and the first sheet body is connected to yoke, and armature is installed in the second sheet body, movable contact dress
Arranged on the one end of the second sheet body away from arc sheet body.
Preferably, one end of the armature is rotatably dispose in the other end of yoke, and the other end of iron core is used to attract armature
The other end, one end of armature is equipped with limited block, limited block, movable contact respectively positioned at yoke the other end both sides.
Preferably, the other end of the yoke is equipped with resigning inclined-plane, and resigning inclined-plane is from the other end of yoke close to limited block
Side towards close to movable contact direction and towards away from armature direction extension form, resigning inclined-plane be used for contradict armature.
Preferably, the yoke is equipped with resigning mouthful, and the junction, resigning mouthful between yoke and iron core are intervally installed,
Skeleton, which is equipped with, to be used to protrude into the locating piece in resigning mouthful.
Preferably, the relay further includes two power supply terminals and varistor, and two power supply terminals are used for coil
Power supply, the both ends of varistor are electrically connected with two power supply terminals respectively, and two power supply terminals are installed in pedestal, two power supplys
Terminal is equipped with clamping plate, and skeleton is held between clamping plate and pedestal.
The beneficial effects of the utility model：In actual use, related movable contact in driving mechanism driving moved end moves back and forth,
And then realize being turned on or off for movable contact and stationary contact, the stationary contact and movable contact of the utility model are respectively positioned in storage tank,
Using the sidewall protection movable contact and movable contact of storage tank, in the assembling process of relay, other accessories of relay are avoided
Movable contact or stationary contact are touched, extends the service life of contact；During the use of relay, the other of relay are avoided
Accessory interferes the normal use of contact, lifts the performance of relay.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the utility model；
Fig. 2 is the decomposition texture schematic diagram of the utility model；
Fig. 3 is the dimensional structure diagram at another visual angle of the utility model.
Reference numeral includes：
1-pedestal, 2-driving mechanism, 3-moved end
4-static terminal, 5-storage tank, 6-weld part
7-connecting plate portion, 8-twist part, 9-electromagnet
11-armature, 12-skeleton, 13-coil
14-iron core, 15-yoke, 16-movable contact spring
19-the second sheet body of the sheet body of 17-pin 18-the first
21-arc sheet body 22-limited block, 23-resigning inclined-plane
24-resigning mouthful, 25-locating piece, 26-power supply terminal
27-varistor, 28-clamping plate.
Embodiment
For the ease of the understanding of those skilled in the art, the utility model is made with reference to embodiment and attached drawing further
Explanation, the content that embodiment refers to not is restriction to the utility model.
Shown in please referring to Fig.1 to Fig.3, a kind of contact protection relay of the utility model, including pedestal 1, it is installed in
Driving mechanism 2, moved end 3 and static terminal 4, driving mechanism 2 on pedestal 1 are used to drive moved end 3 to move back and forth；The pedestal
Storage tank 5 is provided with 1, static terminal 4 is equipped with the stationary contact (non-label in figure) protruded into storage tank 5, and moved end 3 is equipped with prominent
Stretch into the movable contact (non-label in figure) in storage tank 5, driving mechanism 2 is used to driving movable contact to be turned on or off stationary contact.
In actual use, driving mechanism 2 drives the sub 3 related movable contacts in moved end to move back and forth, so realize movable contact with it is quiet
Contact is turned on or off, and the stationary contact and movable contact of the utility model are respectively positioned in storage tank 5, utilize the side wall of storage tank 5
Movable contact and movable contact are protected, in the assembling process of relay, avoids other accessories of relay from touching movable contact or quiet
Contact, extends the service life of contact；During the use of relay, other accessories of relay are avoided to the normal of contact
Using interfering, the performance of relay is lifted.
The static terminal 4 includes weld part 6, connecting plate portion 7, connecting welding portion 6 and the twist part 8 in connecting plate portion 7, weld part 6
It is installed on substrate, the one end of weld part 6 away from twist part 8 is used for the circuit board for being welded on the external world, and stationary contact is installed in company
In plate portion 7.During actual manufacture, weld part 6, twist part 8, connecting plate portion 7 are stamped to form using same material strip, then by twist part 8
Line around weld part 6 Yu connecting plate portion 7 reverses, and then rivets stationary contact again or is welded in connecting plate portion 7, so as to complete static side
The manufacture of son 4.By adding twist part 8, when weld part 6 is inserted in pedestal 1, pedestal 1 is contradicted using twist part 8, is prevented
Weld part 6 is excessively inserting, and lifts the packaging efficiency of static terminal 4.In addition, twist part 8 is additionally arranged reinforcement equivalent to for static terminal 4
Muscle, lifts the intensity of static terminal 4, when moved end 3 touches static terminal 4, prevents static terminal 4 from deforming because intensity is relatively low,
Extend the service life of static terminal 4.Preferably, the plate face of weld part 6 and the plate face in connecting plate portion 7 are mutually perpendicular to, i.e., twist part 8 around
Weld part 6 and the line in connecting plate portion 7 reverse 90 °.
The driving mechanism 2 includes electromagnet 9 and armature 11, and electromagnet 9 includes skeleton 12, coil 13, iron core 14 and yoke
Iron 15, skeleton 12 are installed on pedestal 1, and coil 13 is installed in skeleton 12 around the outside for being located at skeleton 12, iron core 14, coil 13
Wound core 14 is set, one end of yoke 15 and the end thereof contacts of iron core 14, the other end of yoke 15 and the other end of iron core 14
It is arranged at intervals, moved end 3 includes the movable contact spring 16 and pin 17 being connected respectively with yoke 15, and pin 17 is connected to the one of yoke 15
On end, pin 17 is installed on pedestal 1, and pin 17 stretches out pedestal 1 and the circuit board for being welded on the external world, movable contact spring 16
It is connected on the other end of yoke 15, armature 11 is installed on movable contact spring 16, and the other end of iron core 14 is used to attract armature 11, holds in the mouth
Iron 11 is used to turn on the other end of iron core 14 and the other end of yoke 15, and movable contact is arranged on movable contact spring 16.
Coil 13 it is electric after, iron core 14 produces magnetism, and the other end of iron core 14 attracts armature 11 so that armature 11 is towards close
The direction movement of iron core 14, when armature 11 moves can related movable contact spring 16 move together, until armature 11 contradicted in iron core 14
The other end on, at this time movable contact conducting stationary contact.After 13 dead electricity of coil, iron core 14, which loses magnetism, no longer attracts armature 11, moves
Reed 16 related armature 11 and movable contact under the effect of natural resiliency restoring force reset so that movable contact is disconnected with stationary contact.
The storage tank 5 is arranged on skeleton 12, and one end of static terminal 4 is protruded into storage tank 5, one end of movable contact spring 16
Protrude into storage tank 5.During actual manufacture, static terminal 4 is installed on pedestal 1, since storage tank 5 is arranged on skeleton 12,
It may be such that static terminal 4 is inserted into storage tank 5 when electromagnet 9 is installed on pedestal 1, base be arranged on compared to storage tank 5
On seat 1, the difficulty of processing of pedestal 1 is reduced, lifts the manufacture efficiency of pedestal 1.
The storage tank 5 runs through skeleton 12, and static terminal 4, movable contact spring 16 protrude into storage tank from the both ends of storage tank 5 respectively
In 5.During actual assembled, static terminal 4 is installed on pedestal 1, movable contact spring 16 is installed on yoke 15, and causes movable contact spring 16
Moving contact extend into via one end of storage tank 5 in storage tank 5, then by skeleton 12 be installed on pedestal 1 on, and cause static side
The other end of static contact from the skeleton 12 of son 4 is extend into storage tank 5, compared to moving contact, static contact via the one of storage tank 5
Distal process is stretched into storage tank 5, prevents the interference that collides in assembling process.
The movable contact spring 16 includes the arc of the first sheet body 18, the second sheet body 19, the first sheet body 18 of connection and the second sheet body 19
Shape sheet body 21, arc sheet body 21 is substantially C-shaped, and the first sheet body 18 and the second sheet body 19 are arranged in a crossed manner, it is preferable that the first sheet body 18
With the 19 substantially vertical setting of the second sheet body, the first sheet body 18 is connected on yoke 15, and armature 11 is installed on the second sheet body 19, is moved
Contact is installed on second one end of sheet body 19 away from arc sheet body 21.By adding arc sheet body 21, movable contact spring is greatly increased
16 elasticity, drives armature 11 and movable contact Rapid reset using movable contact spring 16 after coil 13 powers off, lifts making for relay
Use performance.
One end of the armature 11 is rotatably arranged on the other end of yoke 15, and the other end of iron core 14 is used to attract armature
11 other end, one end of armature 11 are equipped with limited block 22, and limited block 22, movable contact are located at the two of the other end of yoke 15 respectively
Side.After coil 13 must be electric, the other end of iron core 14 attracts the other end of armature 11, until armature 11 turns on the another of iron core 14
End and the other end of yoke 15, the magnetic induction line of electromagnet 9 can be via the closed circuit of iron core 14, yoke 15 and armature 11 composition
Circulation, it is ensured that movable contact steadily turns on stationary contact, lifts the performance of relay.In addition, when armature 11 is assembled in dynamic spring
After on piece 16, the other end of yoke 15 is used for block limited block 22, prevents armature 11 from coming off from the other end of yoke 15.
The other end of the yoke 15 is provided with resigning inclined-plane 23, and resigning inclined-plane 23 is from the other end of yoke 15 close to spacing
The side of block 22 is formed towards close to the direction of movable contact and towards the direction extension away from armature 11, and resigning inclined-plane 23, which is used to contradict, to be held in the mouth
Iron 11.After coil 13 must be electric, the other end of iron core 14 attracts the other end of armature 11 so that armature 11 is another around yoke 15
End rotates, and the displacement that resigning inclined-plane 23 is used to buffer when armature 11 rotates between one end of armature 11 and the other end of yoke 15 is inclined
Measure, related movable contact spring 16 moves when armature 11 moves, related movable contact movement when moving of movable contact spring 16, until movable contact conducting is quiet
Contact, at this time armature 11 contradict on resigning inclined-plane 23, prevent armature 11 from excessively moving.
The yoke 15 is equipped with resigning mouthful 24, and the junction, resigning mouthful 24 between yoke 15 and iron core 14 are spaced and set
Put, skeleton 12, which is equipped with, to be used to protrude into the locating piece 25 in resigning mouthful 24.During actual assembled, resigning mouthful 24 and locating piece 25 are utilized
Cooperation, it is ensured that yoke 15 and skeleton 12 are assembled on correct position, prevent the assembling position of yoke 15 from mistake, lifting occurs
The packaging efficiency of relay.
The relay further includes two power supply terminals 26 and varistor 27, and two power supply terminals 26 are used for coil 13
Power supply, the both ends of varistor 27 are electrically connected with two power supply terminals 26 respectively, and two power supply terminals 26 are installed in pedestal 1
On, two power supply terminals 26 are both provided with clamping plate 28, and skeleton 12 is clamped between clamping plate 28 and pedestal 1.When skeleton 12 is pacified
After on pedestal 1, power supply terminal 26 is encased in pedestal 1, using clamping plate 28 by 12 pressure holding of skeleton on pedestal 1,
Prevent skeleton 12 from coming off from pedestal 1.By adding varistor 27, when 13 dead electricity of coil, absorbed using varistor 27
The instantaneous induced voltage that coil 13 produces, reduces impact of the instantaneous induced voltage to contact, extends the service life of contact.
In the present embodiment, the quantity of the static terminal 4 is two, and two static terminals 4 are respectively normally opened terminal and normal-closed end
Son, for movable contact spring 16 between normally opened terminal and normally closed terminal, the movable contact of movable contact spring 16 is used for the stationary contact for turning on normally opened terminal
The stationary contact of point or normally closed terminal.After coil 13 must be electric, iron core 14 attracts the related movable contact spring 16 of armature 11 to move, movable contact spring 16
Related movable contact turns on the stationary contact of normally opened terminal when mobile, while the stationary contact of movable contact and normally closed terminal is disconnected.When
After 13 dead electricity of coil, iron core 14, which loses magnetism, no longer attracts armature 11, and movable contact spring 16 is related dynamic tactile under the effect of natural resiliency power
Point and armature 11 reset so that movable contact turns on the stationary contact of normally closed terminal, while causes the stationary contact of movable contact and normally opened terminal
Point disconnects.
Above content is only the preferred embodiment of the utility model, for those of ordinary skill in the art, according to this reality
With new thought, there will be changes, this specification content should not be construed as in specific embodiments and applications
Limitation to the utility model.
Claims (10)
1. a kind of contact protection relay, including pedestal, are installed in driving mechanism, moved end and the static terminal of pedestal, driving
Mechanism is used to drive dynamic terminal movable；It is characterized in that：The pedestal is equipped with storage tank, and static terminal is equipped with and protrudes into storage tank
Stationary contact, moved end, which is equipped with, protrudes into movable contact in storage tank, and driving mechanism is used to driving movable contact to be turned on or off quiet
Contact.
2. protection relay in contact according to claim 1, it is characterised in that：The static terminal includes weld part, connects
The twist part of plate portion, connecting welding portion and connecting plate portion, weld part are installed in substrate, and stationary contact is installed in connecting plate portion.
3. protection relay in contact according to claim 1, it is characterised in that：The driving mechanism include electromagnet and
Armature, electromagnet include skeleton, coil, iron core and yoke, and skeleton is installed in pedestal, and coil is set around skeleton, and iron core is installed in
In skeleton, coil encircling iron core is set, one end of yoke and the end thereof contacts of iron core, the other end of yoke and the other end of iron core
It is arranged at intervals, moved end attached bag includes the movable contact spring and pin being connected respectively with yoke, and armature is installed in movable contact spring, the other end of iron core
For attracting armature, armature is used to turn on the other end of iron core and the other end of yoke, and movable contact is arranged on movable contact spring.
4. protection relay in contact according to claim 3, it is characterised in that：The storage tank is arranged at skeleton, quiet
One end of terminal is protruded into storage tank, and one end of movable contact spring is protruded into storage tank.
5. protection relay in contact according to claim 4, it is characterised in that：The storage tank runs through skeleton, static side
Son, movable contact spring are protruded into storage tank from the both ends of storage tank respectively.
6. protection relay in contact according to claim 3, it is characterised in that：The movable contact spring include the first sheet body,
The arc sheet body of second sheet body, the first sheet body of connection and the second sheet body, the first sheet body and the second sheet body are arranged in a crossed manner, the first sheet body
Yoke is connected to, armature is installed in the second sheet body, and movable contact is installed in the one end of the second sheet body away from arc sheet body.
7. protection relay in contact according to claim 3, it is characterised in that：One end of the armature is rotatably dispose in
The other end of yoke, the other end of iron core are used for the other end for attracting armature, and one end of armature is equipped with limited block, and limited block, move
Contact is located at the both sides of the other end of yoke respectively.
8. protection relay in contact according to claim 7, it is characterised in that：The other end of the yoke, which is equipped with, steps down
Inclined-plane, resigning inclined-plane is from the other end of yoke close to the side of limited block towards close to the direction of movable contact and towards the side away from armature
Formed to extension, resigning inclined-plane is used to contradict armature.
9. protection relay in contact according to claim 3, it is characterised in that：The yoke is equipped with resigning mouthful, yoke
Junction, resigning mouthful between iron core are intervally installed, and skeleton, which is equipped with, to be used to protrude into the locating piece in resigning mouthful.
10. protection relay in contact according to claim 3, it is characterised in that：The relay further includes two electricity
Source terminal and varistor, two power supply terminals are used for coil power supply, the both ends of varistor respectively with two power supply terminals
It is electrically connected, two power supply terminals are installed in pedestal, and two power supply terminals are equipped with clamping plate, and skeleton is held on clamping plate and base
Between seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721305615.0U CN207338262U (en) | 2017-10-10 | 2017-10-10 | A kind of contact protection relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721305615.0U CN207338262U (en) | 2017-10-10 | 2017-10-10 | A kind of contact protection relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207338262U true CN207338262U (en) | 2018-05-08 |
Family
ID=62368342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721305615.0U Active CN207338262U (en) | 2017-10-10 | 2017-10-10 | A kind of contact protection relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207338262U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107706056A (en) * | 2017-10-10 | 2018-02-16 | 三友联众集团股份有限公司 | A kind of contact protection relay |
| CN109616381A (en) * | 2019-01-21 | 2019-04-12 | 三友联众集团股份有限公司 | The construction snapped into one another for multiple relays |
-
2017
- 2017-10-10 CN CN201721305615.0U patent/CN207338262U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107706056A (en) * | 2017-10-10 | 2018-02-16 | 三友联众集团股份有限公司 | A kind of contact protection relay |
| CN107706056B (en) * | 2017-10-10 | 2020-01-03 | 三友联众集团股份有限公司 | Contact protection type relay |
| CN109616381A (en) * | 2019-01-21 | 2019-04-12 | 三友联众集团股份有限公司 | The construction snapped into one another for multiple relays |
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