CN203850213U - Relay - Google Patents

Relay Download PDF

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Publication number
CN203850213U
CN203850213U CN201420256555.8U CN201420256555U CN203850213U CN 203850213 U CN203850213 U CN 203850213U CN 201420256555 U CN201420256555 U CN 201420256555U CN 203850213 U CN203850213 U CN 203850213U
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CN
China
Prior art keywords
movable contact
cap
relay
contact spring
cover
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201420256555.8U
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Chinese (zh)
Inventor
庄华安
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZHEJIANG E-BANG AUTO ELECTRONIC APPLIANCE Co Ltd
Original Assignee
ZHEJIANG E-BANG AUTO ELECTRONIC APPLIANCE Co Ltd
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Application filed by ZHEJIANG E-BANG AUTO ELECTRONIC APPLIANCE Co Ltd filed Critical ZHEJIANG E-BANG AUTO ELECTRONIC APPLIANCE Co Ltd
Priority to CN201420256555.8U priority Critical patent/CN203850213U/en
Application granted granted Critical
Publication of CN203850213U publication Critical patent/CN203850213U/en
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Abstract

The utility model provides a relay comprising a shell, an end cover, a movable contact component, and a coil component. The shell is connected with the end cover. An installation support is welded onto the outer surface of the shell. The connection portion of the end cover and the shell is provided with a dustproof cover. The end cover is provided with wire connection terminals. Fixed contacts are arranged between the wire connection terminals and the end cover. The outer surface of the end cover is sleeved with a waterproof cover. Epoxy resin glue is poured onto four sides of the end cover. The movable contacts on the movable contact component are matched with the fixed contacts. The coil component sleeves the movable contact component. The coil component is provided with a magnetic ring. The middle hole of the magnetic ring is sleeved with a copper bush. A large spring is arranged between the coil component and the copper bush. According to the utility model, advantages of good sealing performance, simple structure, long service life and low production cost can be realized.

Description

Relay
Technical field
The utility model relates to a kind of relay, belongs to auto electric equipment technical field.
Background technology
Along with the development of electrical equipment science and technology, the purposes of relay is also more and more extensive, and the kind of relay is also more and more, and function and structure is also different.Wherein, most popular relay is cored, coil, armature, moving contact, the first-class composition of stationary contact generally, add voltage on coil both sides, will generation current in coil, thereby generation galvanomagnetic effect, armature will overcome the pulling force of spring under the attraction of electromagnetism to be inhaled to iron core, thereby drives the adhesive of moving contact and fixed contact.Existing relay is in the time of work in the market, due to the unsteadiness of electromagnetism, so between movable contact spring and static contact to contact dynamics different, so not only affect the contact stabilization of movable contact spring and static contact, and also very large to the wearing and tearing of movable contact spring, even can cause movable contact spring fracture; And the degree of protection of relay can only reach IPX5, make relay in operational environment, cause relay inner inlet, greatly reduce relay useful life; And the relay existing in the market complex structure all mostly, assembly technology long flow path, has greatly affected the production cost of relay.
Summary of the invention
In order to solve the above problems, the utility model provides a kind of turning to join relay simple, long service life.
The utility model solves the technical scheme that its technical problem adopts: a kind of relay, comprise shell, end cap with shell formation enclosure space, be located at enclosure space inner and for changing the movable contact spring assembly of relay working condition, be enclosed within movable contact spring assembly outer and for changing the coil block of position of movable contact spring assembly, described shell connects with end cap seal, and end cap body is provided with binding post, binding post is outwards located at end cap body from enclosure space inside, and binding post is provided with static contact between a side and end cap in enclosure space, end cap appearance surface cover has bucker, movable contact spring assembly matches with static contact, coil block is enclosed within outside movable contact spring assembly.
Described end cap is that external form is the shell structure that tetragonal body and surperficial middle are provided with round table-like ledge, in the middle of end cap, the height of ledge is slightly larger than the height of bucker, the height on end cap four limits is less than the height of bucker, and the surrounding at the ledge of end cap has been built epoxide-resin glue, and the height of the epoxide-resin glue of building and bucker contour.
Described binding post one end outside enclosure space is provided with successively two groups of plain washers, plays packing ring and nut from end cap to tip, and wherein one group in epoxide-resin glue the inside, and opposite side is exposed.
Described movable contact spring assembly is by moving iron core, movable contact spring, insulation spacer, insulating bushing, pad, jump ring, little spring composition, wherein moving iron core is small one and large one two-layer cylindrical structure of diameter, and cover has cover successively to have insulation spacer on the little one end of diameter, insulating bushing, pad, jump ring, wherein jump ring is by insulation spacer, insulating bushing, pad is fixed on moving iron core, the cross section of insulating bushing is L-type, insulating bushing appearance surface cover has movable contact spring and little spring, wherein little spring one end is against on insulating bushing, the other end is against on movable contact spring, movable contact spring and static contact offset.
Described coil block is enclosed within the moving iron core outside of movable contact spring assembly, formed by bobbin, copper cash and insulating paper, wherein copper cash is on bobbin, and insulating paper is posted in the periphery at copper cash, bobbin is provided with magnetic guiding cycle near the outer surface of a side of end cap, and on the mesopore of magnetic guiding cycle, cover has copper sheathing.
Between described coil block and copper sheathing, be provided with big spring, big spring one end is against on the insulation spacer of movable contact spring assembly, and the other end is against on copper sheathing.
Described end cap and shell connection place are provided with dust cover.
The outer surface of described shell is welded with mounting bracket.
The beneficial effects of the utility model are: sealing is strong, simple in structure, have so not only increased the useful life of relay, have also reduced the production cost of relay.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the overall structure schematic diagram of the utility model embodiment.
Fig. 2 is the structural representation of the utility model movable contact spring assembly.
Fig. 3 is the structural representation of the utility model coil block.
Embodiment
In order to make technical problem to be solved in the utility model, technical scheme and beneficial effect clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.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.
As shown in Figure 1, a kind of relay, comprise shell 1, with shell 1 form enclosure space end cap 2, be located at enclosure space inner and for change relay working condition movable contact spring assembly 3, to be enclosed within movable contact spring assembly 3 outer and for changing the coil block 4 of position of movable contact spring assembly 3, described shell 1 and end cap 2 sealed attachment, end cap 2 is provided with dust cover 5 with shell 1 connection place, and the outer surface of shell 1 is welded with mounting bracket 6; End cap 2 bodies are provided with binding post 21, binding post 21 is outwards located at end cap 2 bodies from enclosure space inside, and binding post 21 is provided with static contact 22 between a side and end cap 2 in enclosure space, end cap 2 appearance surface covers have bucker 7, movable contact spring assembly 3 matches with static contact 22, and coil block 4 is enclosed within outside movable contact spring assembly 3.
The middle that end cap 2 is tetragonal body and surface for external form is provided with the shell structure of round table-like ledge, in the middle of end cap 2, the height of ledge is slightly larger than the height of bucker 7, the height on end cap 2 four limits is less than the height of bucker 7, and the surrounding at the ledge of end cap 2 has been built epoxide-resin glue 8, and the height of the epoxide-resin glue 8 of building and bucker 7 contour; Binding post 21 one end outside enclosure space is provided with successively two groups of plain washers 23, plays packing ring 24 and nut 25 from end cap 2 to tip, wherein one group in epoxide-resin glue 8 the insides, and opposite side is exposed.
As Fig. 1, shown in Fig. 2, movable contact spring assembly 3 is by moving iron core 31, movable contact spring 32, insulation spacer 33, insulating bushing 34, pad 35, jump ring 36, little spring 37 forms, wherein moving iron core 31 is small one and large one two-layer cylindrical structure of diameter, and cover has cover successively to have insulation spacer 33 on the little one end of diameter, insulating bushing 34, pad 35, jump ring 36, wherein jump ring 36 is by insulation spacer 33, insulating bushing 34, pad 35 is fixed on moving iron core 31, the cross section of insulating bushing 34 is L-type, insulating bushing 34 appearance surface covers have movable contact spring 32 and little spring 37, wherein little spring 37 one end are against on insulating bushing 34, the other end is against on movable contact spring 32, movable contact spring 32 offsets with static contact 22.
As shown in Figure 1, Figure 3, coil block 4 is enclosed within moving iron core 31 outsides of movable contact spring assembly 3, formed by bobbin 41, copper cash 42 and insulating paper 43, wherein copper cash 42 is on bobbin 41, and post insulating paper 43 in the periphery of copper cash 42, bobbin 41 is provided with magnetic guiding cycle 9 near the outer surface of a side of end cap 2, and on the mesopore of magnetic guiding cycle 9, cover has copper sheathing 10; Between coil block 4 and copper sheathing 10, be provided with big spring 11, big spring 11 one end are against on the insulation spacer 33 of movable contact spring assembly 3, and the other end is against on copper sheathing 10.
In use, under initial condition, movable contact spring 32 disconnects with static contact 22, after switching on power, coil block 4 produces electromagnetism, on the moving iron core 31 of acting on of electromagnetism, movable contact spring assembly 3 is moved towards the opposite direction of end cap 2, movable contact spring 32 offsets with static contact 22, and relay is started working; In the time of deenergization, the electromagnetism on coil block 4 disappears, and the restoring force of big spring 11 makes iron core 31 move towards end cap 2 directions, and last movable contact spring assembly 3 is got back to initial position, and movable contact spring 32 disconnects with static contact 22, relay power cut-off.
The utility model is simple in structure, and has strengthened the sealing of relay, has so not only increased the useful life of relay, has also reduced the production cost of relay.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any amendments of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection range of the present utility model.

Claims (8)

1. a relay, comprise shell, end cap with shell formation enclosure space, be located at enclosure space inner and for changing the movable contact spring assembly of relay working condition, be enclosed within movable contact spring assembly outer and for changing the coil block of position of movable contact spring assembly, it is characterized in that: described shell connects with end cap seal, and end cap body is provided with binding post, binding post is outwards located at end cap body from enclosure space inside, and binding post is provided with static contact between a side and end cap in enclosure space, end cap appearance surface cover has bucker, movable contact spring assembly matches with static contact, coil block is enclosed within outside movable contact spring assembly.
2. according to the relay described in claims 1, it is characterized in that: described end cap is that external form is the shell structure that tetragonal body and surperficial middle are provided with round table-like ledge, in the middle of end cap, the height of ledge is slightly larger than the height of bucker, the height on end cap four limits is less than the height of bucker, and end cap four limit places fill with have epoxide-resin glue, and the height of the epoxide-resin glue of building and bucker contour.
3. according to the relay described in claims 1 or 2, it is characterized in that: described binding post one end outside enclosure space is provided with successively two groups of plain washers, plays packing ring and nut from end cap to tip, wherein one group in epoxide-resin glue the inside, and opposite side is exposed.
4. according to the relay described in claims 1, it is characterized in that: described movable contact spring assembly is by moving iron core, movable contact spring, insulation spacer, insulating bushing, pad, jump ring, little spring composition, wherein moving iron core is small one and large one two-layer cylindrical structure of diameter, and cover has cover successively to have insulation spacer on the little one end of diameter, insulating bushing, pad, jump ring, wherein jump ring is by insulation spacer, insulating bushing, pad is fixed on moving iron core, the cross section of insulating bushing is L-type, insulating bushing appearance surface cover has movable contact spring and little spring, wherein little spring one end is against on insulating bushing, the other end is against on movable contact spring, movable contact spring and static contact offset.
5. according to the relay described in claims 1, it is characterized in that: described coil block is enclosed within the moving iron core outside of movable contact spring assembly, formed by bobbin, copper cash and insulating paper, wherein copper cash is on bobbin, and insulating paper is posted in the periphery at copper cash, bobbin is provided with magnetic guiding cycle near the outer surface of a side of end cap, and on the mesopore of magnetic guiding cycle, cover has copper sheathing.
6. according to the relay described in claims 1 or 4 or 5, it is characterized in that: between described coil block and copper sheathing, be provided with big spring, big spring one end is against on the insulation spacer of movable contact spring assembly, and the other end is against on copper sheathing.
7. according to the relay described in claims 1, it is characterized in that: described end cap and shell connection place are provided with dust cover.
8. according to the relay described in claims 1, it is characterized in that: the outer surface of described shell is welded with mounting bracket.
CN201420256555.8U 2014-05-20 2014-05-20 Relay Active CN203850213U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420256555.8U CN203850213U (en) 2014-05-20 2014-05-20 Relay

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420256555.8U CN203850213U (en) 2014-05-20 2014-05-20 Relay

Publications (1)

Publication Number Publication Date
CN203850213U true CN203850213U (en) 2014-09-24

Family

ID=51563198

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420256555.8U Active CN203850213U (en) 2014-05-20 2014-05-20 Relay

Country Status (1)

Country Link
CN (1) CN203850213U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106158517A (en) * 2016-07-21 2016-11-23 贵州天义电器有限责任公司 HVDC is in sealing contact device moving contact structure
CN106920714A (en) * 2017-04-01 2017-07-04 广东井得电机有限公司 A kind of relay of stable performance
CN107403707A (en) * 2017-08-25 2017-11-28 戴丁志 Steady magnetic-type contactor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106158517A (en) * 2016-07-21 2016-11-23 贵州天义电器有限责任公司 HVDC is in sealing contact device moving contact structure
CN106920714A (en) * 2017-04-01 2017-07-04 广东井得电机有限公司 A kind of relay of stable performance
CN107403707A (en) * 2017-08-25 2017-11-28 戴丁志 Steady magnetic-type contactor

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