CN203300487U - Relay - Google Patents
Relay Download PDFInfo
- Publication number
- CN203300487U CN203300487U CN2013203333534U CN201320333353U CN203300487U CN 203300487 U CN203300487 U CN 203300487U CN 2013203333534 U CN2013203333534 U CN 2013203333534U CN 201320333353 U CN201320333353 U CN 201320333353U CN 203300487 U CN203300487 U CN 203300487U
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- gear
- worm
- relay
- elastic arm
- motor
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Abstract
Disclosed in the utility model is a relay comprising a housing, a moving contact and a static contact. A current input device, a motor, a worm, a worm gear, a gear structure, an oscillating rod structure, and an elastic arm are arranged in the housing. On the basis of the spiral angle of the worm, a maintaining strength of the product state is multiplied; and the stroke of the elastic arm is precisely controlled by using modes of the worm, the gear structure and the oscillating rod structure and the like. Meanwhile, reliable contact of the product is ensured; opening and closing work of the product is realized precisely; and the pressure is stable. Because the spiral angle of the worm is used to multiply the state maintaining force of the product, so that the anti-impact performance is obviously enhanced and the using hidden trouble is eliminated. In addition, the provided relay has the advantages of simple structure and simple and easy assembling; the production efficiency can be improved conveniently for batch production; the manufacturing loss and the manufacturing cost are lowered; and thus the relay has the good market popularization and application prospects.
Description
Technical field
The utility model relates to power equipment, electrical equipment and intelligent switch technology field, relates in particular to a kind of relay.
Background technology
(English name: be relay) a kind of electric control device, be when the variation of input variable (energizing quantity) reaches the regulation requirement to relay, in electric output circuit, makes controlled volume that a kind of electrical equipment that predetermined step changes occurs.It has control system (claim not only input circuit) and by the interactive relationship between control system (but also claiming output loop).Usually be applied in the control circuit of automation, it is actually a kind of " automatic switch " that goes to control large electric current running with little electric current.Therefore in circuit, play the effects such as automatic adjusting, safeguard protection, change-over circuit.
The relay of using on relay in the market, particularly electric power system, there are the following problems respectively:
1, easily be subjected to External force interference and change operating state; Because interiors of products contains iron block, external magnetic field can change Product Status.
2, the patent No. 201110118585 disclosed " a kind of relay ", it comprises: motor is connected with rotating shaft transmission by gear, on final-stage gear, be provided with and pull piece, pull piece to connect an end of shell fragment, the other end of shell fragment is connected on the arculae group, one end of precompressed elastomeric element is fixed on the wall of drain pan, the other end of precompressed elastomeric element is pressed on the arculae group, on the arculae group, also be provided with moving contact, one end of the corresponding moving contact of static contact is provided with fixed contact, one end of movable contact spring is connected on the arculae group, and contact pin and binding post are arranged on control circuit board.In actual application, find, Product Status keeps dynamics not enough (easily causing state variation in vibrations experiment or transportation); Because product structure in the past, the maintenance dynamics of its state, slow down and recently complete by spring or by straight-tooth, so its state keeps dynamics always not enough;
3, because indivedual accessories are yielding, cause transmission stroke easily change (easily cause loose contact, burn out or the hidden danger such as on fire); It pulls that position accessory used is excessively thin, lifting surface area is too small individual product, and is yielding while repeatedly working, and causes product hidden danger.
In view of this, prior art haves much room for improvement and improves.
The utility model content
In view of the deficiencies in the prior art, the utility model purpose is to provide a kind of relay.Be intended to solve the problems such as not enough, indivedual accessories of confining force that existing relay exists are yielding.
The technical solution of the utility model is as follows:
A kind of relay, it comprises a housing, movable contact spring and static contact, wherein, in described housing, is provided with: electric current input unit, motor, worm screw, worm gear, gear structure, swing rod structure, elastic arm;
Wherein, described electric current input unit connects described motor by wire, on described motor, is provided with a motor output shaft, and the end of described worm screw is connected on described motor output shaft, and described worm gear engages with the flank of tooth of worm screw, and described gear structure is connected with worm gear; One end of described swing rod structure connects described gear structure, and the other end connects an end of elastic arm; The other end of described elastic arm connects described movable contact spring, on described elastic arm, is provided with moving contact point, and an end of described static contact is provided with quiet contact point, and described moving contact point and quiet contact point are oppositely arranged.
Described relay, wherein, described gear structure comprises spur gear and the sector gear of mutual engaging; Described spur gear is connected with worm gear by an axis.
Described relay, wherein, described swing rod structure comprises a gantry column and output lever; Described gantry column is arranged on sector gear, and with described output lever, is connected be used to driving described output lever swing.
Described relay, wherein, described electric current input unit comprises input lead and the DC voltage-stabilizing wiring board that connects successively.
Described relay, wherein, described motor is direct current machine.
Beneficial effect:
Relay of the present utility model, make the maintenance dynamics multiplication of Product Status by the spiral angle of worm screw; With modes such as worm screw, gear structure, swing rod structures, accurately control the stroke of elastic arm.Simultaneously, guarantee that the product contact realizes that reliably, accurately product is opened a sluice gate, combined floodgate work, pressure stability, with worm spiral angle multiplication Product Status confining force, obviously strengthen shock resistance, avoids using hidden danger.In addition, described relay also has simple in structure, assembles the advantages such as simple and easy, during convenient production in enormous quantities the in enormous quantities, enhances productivity, and falls processing procedure loss and manufacturing cost, has good marketing application prospect.
The accompanying drawing explanation
Fig. 1 is the schematic diagram of the embodiment of relay of the present utility model.
Fig. 2 is the explanation schematic diagram of closing operation of the embodiment of relay of the present utility model.
Fig. 3 is the explanation schematic diagram of operating a switch and operating of the embodiment of relay of the present utility model.
Embodiment
The utility model provides a kind of relay, and is clearer, clear and definite for making the purpose of this utility model, technical scheme and effect, below the utility model further described.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Refer to Fig. 1, it is the schematic diagram of the embodiment of relay of the present utility model.as shown in the figure, described relay, it comprises a housing 211, movable contact spring 232 and static contact 235, wherein, in described housing 211, be provided with: the electric current input unit (in the present embodiment, the electric current input unit comprises input lead 243 and the DC voltage-stabilizing wiring board 241 that connects successively), motor 212, worm screw 221, worm gear 222, gear structure (in the present embodiment, described gear structure comprises spur gear 223 and the sector gear 224 of mutual engaging), swing rod structure (in the present embodiment, described swing rod structure comprises a gantry column 216 and output lever 225), elastic arm 233, wherein, described DC voltage-stabilizing wiring board 241 connects described motor 212 by wire 242, on described motor 212, be provided with a motor output shaft 213, the end of described worm screw 221 is connected on described motor output shaft 213, described worm gear 222 engages with the flank of tooth of worm screw 221, and described gear structure is connected with worm gear 222, one end of described swing rod structure connects described gear structure, and the other end connects an end of elastic arm 233, the other end of described elastic arm 233 connects described movable contact spring 232, on described elastic arm, is provided with moving contact point 231, and an end of described static contact 235 is provided with quiet contact point 234, and described moving contact point 231 and quiet contact point 234 are oppositely arranged.
That self elastic force of described elastic arm can be realized the moving contact point 231 of pressing and quiet contact point 234, and keeps low pressure limit with should be noted that.
Below say specifically and state relay and how to close a floodgate and to open a sluice gate.
Please continue to consult Fig. 2, it is the explanation schematic diagram of closing operation of the embodiment of relay of the present utility model.As shown in the figure, it comprises the following steps (for convenient, understand, in conjunction with diverse location in figure, carry out the step explanation) successively:
S1, input direct voltage, positive and negative electrode and conduction time length with setting, be as the criterion.
S2, driven by motor worm screw clockwise rotate; At this moment, direct voltage is input on described motor, and motor drives described worm screw by motor output shaft and clockwise rotates.In the present embodiment, described motor is direct current machine.
S3, worm-gear driven sector gear move toward the left side, and complete Stroke Control; Worm gear rotates under the drive of worm screw, worm gear drives again the spur gear coaxial with it and rotates, and described spur gear engages with sector gear, thereby drive sector gear, toward the left side, moves, and completes Stroke Control.
The tail end that gantry column on S4, sector gear drives output lever up moves;
The pressure head of S5, output lever, toward pressing down, is depressed into predetermined stroke by elastic arm, and remains certain maintenance dynamics;
S6, moving contact point and quiet contact point close a floodgate, and make circuit turn-on.
Be 1, the pressure head of output lever presses down dynamics and equal: motor rated moment * speed reducing ratio * lever length multiple with should be noted that; If 2 spiral angles of setting worm screws are during less than 10 °, the lever pressure head presses down rear maintenance dynamics, 5 to 10 times that the lever pressure head presses down dynamics. can prevent elastic arm bounce-back and worm screw, gear slipping fully, guarantee the intact contact of dynamic and static contact point and keep pressure, strengthen shock resistance at double.
Please continue to consult Fig. 3, the explanation schematic diagram of the operation of operating a switch of its embodiment for relay of the present utility model.As shown in the figure, it comprises the following steps (for convenient, understand, in conjunction with diverse location in figure, carry out the step explanation) successively:
S11, input direct voltage, positive and negative electrode and conduction time length with setting, be as the criterion;
S12, driven by motor worm screw rotate counterclockwise;
S13, worm-gear driven sector gear move to the right, and complete Stroke Control;
The tail end that gantry column on S14, sector gear drives output lever moves down;
The pull head of S15, rocking lever up draws, and elastic arm is pulled to the predetermined stroke height, and remains certain maintenance dynamics;
S16, dynamic and static contact point are operated a switch, open circuit; And two contact points are remained on to preset distance.
Be with should be noted that, 1, the pull head upper pulling force degree of rocking lever, equal its pressure head and press down dynamics; If 2 spiral angles of setting worm screws during less than 10 °, draw rear maintenance dynamics on the lever pull head, be 5 to 10 times of lever pull head upper pulling force degree.Can prevent fully that elastic arm is counter draws and worm screw, gear slipping, guarantees that dynamic and static contact point keeps setpoint distance, and strengthens at double shock resistance.
In sum, relay of the present utility model, it comprises a housing, movable contact spring and static contact, wherein, in described housing, is provided with: electric current input unit, motor, worm screw, worm gear, gear structure, swing rod structure, elastic arm; Described electric current input unit connects described motor by wire, on described motor, is provided with a motor output shaft, and the end of described worm screw is connected on described motor output shaft, and described worm gear engages with the flank of tooth of worm screw, and described gear structure is connected with worm gear; One end of described swing rod structure connects described gear structure, and the other end connects an end of elastic arm; The other end of described elastic arm connects described movable contact spring, on described elastic arm, is provided with moving contact point, and an end of described static contact is provided with quiet contact point, and described moving contact point and quiet contact point are oppositely arranged.By the spiral angle of worm screw, make the maintenance dynamics multiplication of Product Status; With modes such as worm screw, gear structure, swing rod structures, accurately control the stroke of elastic arm.Simultaneously, guarantee that the product contact realizes that reliably, accurately product is opened a sluice gate, combined floodgate work, pressure stability, with worm spiral angle multiplication Product Status confining force, obviously strengthen shock resistance, avoids using hidden danger.In addition, described relay also has simple in structure, assembles the advantages such as simple and easy, during convenient production in enormous quantities the in enormous quantities, enhances productivity, and falls processing procedure loss and manufacturing cost, has good marketing application prospect.
Should be understood that; application of the present utility model is not limited to above-mentioned giving an example; for those of ordinary skills, can be improved according to the above description or conversion, all these improve and conversion all should belong to the protection range of the utility model claims.
Claims (5)
1. relay, it comprises a housing, movable contact spring and static contact, it is characterized in that, in described housing, is provided with: electric current input unit, motor, worm screw, worm gear, gear structure, swing rod structure, elastic arm;
Wherein, described electric current input unit connects described motor by wire, on described motor, is provided with a motor output shaft, and the end of described worm screw is connected on described motor output shaft, and described worm gear engages with the flank of tooth of worm screw, and described gear structure is connected with worm gear; One end of described swing rod structure connects described gear structure, and the other end connects an end of elastic arm; The other end of described elastic arm connects described movable contact spring, on described elastic arm, is provided with moving contact point, and an end of described static contact is provided with quiet contact point, and described moving contact point and quiet contact point are oppositely arranged.
2. relay according to claim 1, is characterized in that, described gear structure comprises spur gear and the sector gear of mutual engaging; Described spur gear is connected with worm gear by an axis.
3. relay according to claim 2, is characterized in that, described swing rod structure comprises a gantry column and output lever; Described gantry column is arranged on sector gear, and with described output lever, is connected be used to driving described output lever swing.
4. relay according to claim 1, is characterized in that, described electric current input unit comprises input lead and the DC voltage-stabilizing wiring board that connects successively.
5. relay according to claim 1, is characterized in that, described motor is direct current machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203333534U CN203300487U (en) | 2013-06-09 | 2013-06-09 | Relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203333534U CN203300487U (en) | 2013-06-09 | 2013-06-09 | Relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203300487U true CN203300487U (en) | 2013-11-20 |
Family
ID=49576482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203333534U Expired - Fee Related CN203300487U (en) | 2013-06-09 | 2013-06-09 | Relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203300487U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106340410A (en) * | 2016-08-16 | 2017-01-18 | 厦门宏发电力电器有限公司 | Motor relay capable of realizing contact quick closing |
| CN107240517A (en) * | 2017-07-04 | 2017-10-10 | 南京日新科技有限公司 | One kind combination coordinated type relay |
| CN107507711A (en) * | 2017-08-29 | 2017-12-22 | 三友联众集团股份有限公司 | A kind of motor-driven relay |
| CN108133845A (en) * | 2017-12-24 | 2018-06-08 | 上力电力科技有限公司 | A kind of High-Voltage Electrical Appliances switching device |
| CN112109643A (en) * | 2020-09-14 | 2020-12-22 | 东风汽车有限公司 | Automotive interior component and car |
-
2013
- 2013-06-09 CN CN2013203333534U patent/CN203300487U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106340410A (en) * | 2016-08-16 | 2017-01-18 | 厦门宏发电力电器有限公司 | Motor relay capable of realizing contact quick closing |
| CN106340410B (en) * | 2016-08-16 | 2018-08-17 | 厦门宏发电力电器有限公司 | A kind of motor relay that can realize contact quick-make |
| CN107240517A (en) * | 2017-07-04 | 2017-10-10 | 南京日新科技有限公司 | One kind combination coordinated type relay |
| CN107507711A (en) * | 2017-08-29 | 2017-12-22 | 三友联众集团股份有限公司 | A kind of motor-driven relay |
| CN108133845A (en) * | 2017-12-24 | 2018-06-08 | 上力电力科技有限公司 | A kind of High-Voltage Electrical Appliances switching device |
| CN112109643A (en) * | 2020-09-14 | 2020-12-22 | 东风汽车有限公司 | Automotive interior component and car |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131120 Termination date: 20170609 |