CN107305825B - A kind of electromagnetic relay of strap type push card - Google Patents
A kind of electromagnetic relay of strap type push card Download PDFInfo
- Publication number
- CN107305825B CN107305825B CN201710561855.5A CN201710561855A CN107305825B CN 107305825 B CN107305825 B CN 107305825B CN 201710561855 A CN201710561855 A CN 201710561855A CN 107305825 B CN107305825 B CN 107305825B
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- Prior art keywords
- push card
- shaft
- axis hole
- protrusion
- contact
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/64—Driving arrangements between movable part of magnetic circuit and contact
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electromagnets (AREA)
Abstract
The invention discloses a kind of electromagnetic relays of strap type push card, including pedestal, magnetic circuit part, contact portion and push card；Push card is piece type structure and is located between magnetic circuit part and contact portion；One end of the length of push card is equipped with a shaft for being directed toward wherein one side of its width, and the peripheral size of the outer end of shaft is less than the peripheral size of inner end to form outer small inner big structure；In pedestal, it is equipped with an axis hole approximately along horizontal direction in the installation place for corresponding to push card, and the axis hole is set as structure big outside and small inside；When shaft is matched with axis hole, shaft only has outer end and inner end to be in contact respectively with the hole wall of axis hole, and the middle section of shaft is not in contact with the hole wall of axis hole, to realize the both ends positioning of shaft.The stability of push card motion process had not only can be improved in the present invention, but also can be to avoid the generation of soft flocks in push card assembling process, so that the service performance of relay be effectively ensured.
Description
Technical field
The present invention relates to relay technical fields, more particularly to a kind of electromagnetic relay of strap type push card.
Background technique
Relay is a kind of frequently to close, carry and cut-off cut-offfing and closing for normal current and defined overload current
Device.A kind of existing electromagnetic relay is to flow through current induced magnetic field using coil, makes contact closure, to reach control load
Electric appliance.It is widely used in the fields such as electric power, distribution and electricity consumption.The basic functional principle of electromagnetic relay is to convert electrical energy into
Magnetic energy is then converted into mechanical energy, can turn on the circuit controlled with disjunction using machinery, realizes the effect of " relay ".
Existing electromagnetic relay generally includes pedestal, magnetic circuit part, contact portion and pushing mechanism, and pushing mechanism is usual
It is connected between magnetic circuit part and contact portion, bridge of the pushing mechanism as connection input and output in electromagnetic relay is main
Wanting function is the movable contact spring that the armature movement stroke of magnetic circuit part is passed to contact portion, realizes the conversion of contacts status.It pushes away
Motivation structure also has both be dielectrically separated from function simultaneously, is usually made by insulating materials.
A kind of pushing mechanism of electromagnetic relay of the prior art is the push card using piece type structure, one end of push card
Shaft is arranged in (one side for being equivalent to the length of push card), and the company matched with the armature of magnetic circuit part is arranged in the one side of push card
Socket part, can act with the movement of armature, the another side setting of push card connects with what the movable contact spring of contact portion matched
Contact portion, when magnetic circuit is operated so that armature movement, armature drive push card around push card shaft rotate, push card it is another
Then push movable contact spring that sound contact is made to be in contact on one side, when armature resets, armature also drives push card homing, either
Push card homing is driven by the recuperability of movable contact spring.A kind of design scheme of this pushing mechanism of the prior art is to push away
A shaft is respectively arranged in the both sides (both sides for being equivalent to the width of push card) of one end of dynamic card, then sets in the corresponding position of pedestal
Corresponding mounting groove is set, the push card of this structure is easy to generate hair due to there is interference fit section in assembling process
Bits, and then influence the performance of relay.Another design scheme (such as Chinese patent of this pushing mechanism of the prior art
Disclosed by CN201518298U) it is two shafts by one end of push card together towards one side of the width of push card, in base
Corresponding matching hole is then set on seat, it is intermediate because of mould structure problem although push card and pedestal are not interference fitted process
It is inevitable with the inlet acute angle of axis matching hole, part flash itself is inevitable, and assemble push card during, hole with
The collision of axis is inevitable, also easily generates flash in this way, and then also influence the performance of relay.
Summary of the invention
It is an object of the invention to overcome the deficiency of the prior art, provides a kind of electromagnetic relay of strap type push card,
It is improved by structure, on the one hand, the stability of push card motion process can be improved, on the other hand, can be filled to avoid push card
Generation with soft flocks in the process, so that the service performance of relay be effectively ensured.
The technical solution adopted by the present invention to solve the technical problems is: a kind of electromagnetic relay of strap type push card,
Including pedestal, magnetic circuit part, contact portion and push card；The magnetic circuit part and contact portion are attached separately on pedestal, described
Push card is piece type structure and is located between magnetic circuit part and contact portion；One end of the length of the push card, which is equipped with, is directed toward it
One shaft on wherein one side of width, and the peripheral size of the outer end of shaft be less than inner end peripheral size with formed it is outer it is small in
Big structure；In the pedestal, it is equipped with an axis hole approximately along horizontal direction in the installation place for corresponding to push card, and should
Axis hole is set as structure big outside and small inside；When the shaft is matched with axis hole, shaft only have outer end and inner end respectively with axis hole
Hole wall be in contact, the middle section of shaft is not in contact with the hole wall of axis hole, thus realize shaft both ends positioning.
The shaft is circle, and the axis hole is rectangular.
It further, further include a blocking portion, which is located at for preventing the shaft of the push card from adapting to
The corresponding position that the axis hole position of the pedestal is exited.
The one side of the push card is equipped with the first protrusion, and the first protrusion of the push card connects with the armature of magnetic circuit part
The another side of touching, the push card is equipped with the second protrusion, and the second protrusion of the push card connects with the movable contact spring of contact portion
Touching, when armature movement, armature drives the second protrusion of push card to push the movable contact spring of contact portion, makes the dynamic touching on movable contact spring
Point is in contact with the stationary contact on quiet spring.
The blocking portion is connected on movable contact spring, which is located at the side of the second protrusion of the push card, and is
The push card shaft from the direction that the axis hole position for adapting to the pedestal is exited.
Second protrusion of the push card is two, is respectively provided at the both sides of the width of push card, the blocking portion is located at
The side of second protrusion of the another side position of the width corresponding to push card.
The blocking portion is integrally located on the movable contact spring, is connecting with the second protrusion of the push card by movable contact spring
The part of touching is bent to form after extending outwardly.
The blocking portion is connected on armature, which is located at the side of the first protrusion of the push card, and be
The shaft of the push card is from the direction that the axis hole position for adapting to the pedestal is exited.
It further, further include shell, the shell is connected with by the magnetic circuit part, contact portion with the pedestal
In being included in push card, the blocking portion is connected at the correspondence inner sidewall of shell.
Compared with prior art, the beneficial effects of the present invention are:
1, the present invention is due to using one in one end of the length of push card equipped with the wherein one side for being directed toward its width
Shaft, and the peripheral size of the outer end of shaft is less than the peripheral size of inner end to form outer small inner big structure；In the pedestal,
It is equipped with an axis hole approximately along horizontal direction in the installation place for corresponding to push card, and the axis hole is set as knot big outside and small inside
Structure；When the shaft is matched with axis hole, shaft only have one section of one section of outer end and inner end respectively with the hole wall phase of axis hole
Contact, to realize the both ends positioning of shaft.This structure of the invention, in the axis hole of the shaft insertion pedestal of push card,
It is small axis cooperation macropore, can be to avoid the generation of soft flocks in push card assembling process, and in assembly, shaft only has outer end and inner
End is in contact with the hole wall of axis hole respectively, and the middle section of shaft is not in contact with the hole wall of axis hole, i.e., axis and hole both ends cooperate
Centre is stepped down, and realizes the function of completing two-point locating with an axis, the stability of push card motion process can be improved, thus
The service performance of relay has been effectively ensured.
2, the present invention is due to using one blocking portion of setting, and the blocking portion is located at the shaft for preventing the push card
The corresponding position exited from the axis hole position for adapting to the pedestal.This structure of the invention, by preventing push card
Shaft is exited from the axis hole of pedestal, so as to guarantee the cooperation precision of push card and magnetic circuit part, contact portion.
3, shaft is set as round due to using by the present invention, and axis hole is set as rectangular, is matched by circular shaft in motion process
Square hole can minimize the friction in movement.
4, blocking portion is integrally located on the movable contact spring by the present invention due to using, and is pushing away with described by movable contact spring
The part that second protrusion of dynamic card is in contact is bent to form after extending outwardly.This structure of the invention, using movable contact spring flange
It realizes anti-back, has structure simple, using effect good feature.
Invention is further described in detail with reference to the accompanying drawings and embodiments；But a kind of strap type of the invention pushes
The electromagnetic relay of card is not limited to the embodiment.
Detailed description of the invention
Fig. 1 is embodiment schematic perspective view of the invention；
Fig. 2 is embodiment stereochemical structure of the invention (overturning one side) schematic diagram；
Fig. 3 is embodiment main view of the invention；
Fig. 4 is the cross-sectional view of the line A-A along Fig. 3；
Fig. 5 is the schematic perspective view of embodiment push card of the invention；
Fig. 6 is the main view of embodiment push card of the invention；
Fig. 7 is the bottom view of embodiment push card of the invention；
Fig. 8 is the top view of embodiment push card of the invention；
Fig. 9 is the side view of embodiment push card of the invention；
Figure 10 is the cross-sectional view of the line B-B along Fig. 6；
Figure 11 is the schematic perspective view of embodiment pedestal of the invention；
Figure 12 is the cross-sectional view at the axis hole position of embodiment pedestal of the invention.
Specific embodiment
Embodiment
Referring to shown in Fig. 1 to Figure 12, a kind of electromagnetic relay of strap type push card of the invention, including pedestal 1, magnetic circuit
Part 2, contact portion 3 and push card 4；The magnetic circuit part 2 and contact portion 3 are attached separately on pedestal 1, the push card 4
For piece type structure and it is located between magnetic circuit part 2 and contact portion 3；One end of the length of the push card 4, which is equipped with, is directed toward its width
One shaft 41 on wherein one side of degree, and the peripheral size of the outer end 411 of shaft is less than the peripheral size of inner end 412 to be formed
Outer small inner big structure；In the pedestal 1, an axis approximately along horizontal direction is equipped in the installation place for corresponding to push card
Hole 11, and the axis hole 11 is set as structure big outside and small inside, i.e., the outer segment 111 of axis hole 11 is big, inner section 112 small；When the shaft 41
When matching with axis hole 11, shaft 41 only has outer end and inner end to be in contact respectively with the hole wall of axis hole, the middle section of shaft 41
413 are not in contact with the hole wall of axis hole, to realize the both ends positioning of shaft 41.
In the present embodiment, shaft 41 is circle, and the axis hole 11 is rectangular.
It further, further include a blocking portion 5, which is located at for preventing the shaft 41 of the push card from suitable
The corresponding position that axis hole position assigned in the pedestal is exited.
In the present embodiment, the one side of push card 4 is equipped with the first protrusion 42, the first protrusion 42 of the push card and magnetic circuit part
Point armature 21 be in contact, the another side of the push card is equipped with the second protrusion 43, the second protrusion 43 of the push card with connect
The movable contact spring 31 of contact portion point is in contact, and when armature 21 acts, armature 21 drives the second protrusion 43 of push card to push contact portion
The movable contact spring 31 divided, makes the movable contact on movable contact spring 31 be in contact with the stationary contact on quiet spring.
In the present embodiment, blocking portion 5 is connected on movable contact spring, which is located at the second protrusion 43 of the push card
Side, and be the shaft 41 in the push card from the direction that the axis hole position for adapting to the pedestal is exited.
In the present embodiment, the second protrusion 43 of push card is two, is respectively provided at the both sides of the width of push card 4, described
Blocking portion 5 is located at the side of the second protrusion 43 of the another side position of the width corresponding to push card.
In the present embodiment, blocking portion 5 is integrally located on the movable contact spring 31, is with the push card by movable contact spring
The part that two protrusions are in contact is bent to form after extending outwardly；In order to enhance the intensity of blocking portion 5, the present invention is by movable contact spring
The part being in contact with the second protrusion of the push card first extends downwardly extend outwardly again after, be that will extend downwardly when bending
Part is folded upward at, and is then again bent outwardly extending portion to side again, is eventually formed blocking portion 5.
Certainly, blocking portion also can connect on armature, and the blocking portion is located at the first protrusion of the push card
Side, and be the shaft in the push card from the direction that the axis hole position for adapting to the pedestal is exited.
Certainly, blocking portion also can connect at the correspondence inner sidewall of shell, and shell is usually used to and the pedestal phase
Connection is interior the magnetic circuit part, contact portion and push card to be included in.
A kind of electromagnetic relay of strap type push card of the invention, is equipped with using one end of the length in push card 4
It is directed toward a shaft 41 on wherein one side of its width, and the peripheral size of the outer end 411 of shaft 41 is less than the periphery of inner end 412
Size is to form outer small inner big structure；In the pedestal 1, one is equipped with approximately along water in the installation place for corresponding to push card
Square to axis hole 11, and the axis hole 11 is set as structure big outside and small inside；When the shaft 41 is matched with axis hole 11, shaft
Only outer end 411 and inner end 412 is in contact with the hole wall of axis hole 11 respectively, the middle section 413 of shaft 41 not with the hole of axis hole
Wall is in contact, to realize the both ends positioning of shaft 41.This structure of the invention is inserted into pedestal in the shaft 41 of push card
It is small axis cooperation macropore when axis hole 11, can be to avoid the generation of soft flocks in 4 assembling process of push card, and in assembly, shaft 41
Only outer end and inner end are in contact with the hole wall of axis hole respectively, and axis and the intermediate resigning of hole both ends cooperation realize complete with an axis
At the function of two-point locating, the stability of 4 motion process of push card can be improved, so that the usability of relay be effectively ensured
Energy.
A kind of electromagnetic relay of strap type push card of the invention uses one blocking portion 5 of setting, and the blocking portion 5
It is located at the corresponding position for preventing the shaft of the push card from exiting from the axis hole position for adapting to the pedestal.The present invention
This structure, by preventing the shaft 41 of push card from exiting from the axis hole 11 of pedestal, so as to guarantee push card and magnetic circuit
Partially, the cooperation precision of contact portion.Present invention employs shaft 41 is set as round, axis hole 11 is set as rectangular, passes through fortune
Circular shaft matches square hole during dynamic, can minimize the friction in movement.Present invention employs be integrally located at blocking portion 5
It on the movable contact spring 31, and is bent after being extended outwardly by the part of movable contact spring being in contact with the second protrusion of the push card
It is formed.This structure of the invention, realizes anti-back using movable contact spring flange, has structure simple, the good feature of using effect.
Above-mentioned only presently preferred embodiments of the present invention, is not intended to limit the present invention in any form.Although of the invention
It has been disclosed in a preferred embodiment above, however, it is not intended to limit the invention.Anyone skilled in the art is not taking off
In the case where from technical solution of the present invention range, all technical solution of the present invention is made perhaps using the technology contents of the disclosure above
Mostly possible changes and modifications, or it is revised as equivalents equivalent embodiment.Therefore, all without departing from technical solution of the present invention
Content, technical spirit any simple modifications, equivalents, and modifications made to the above embodiment, should all fall according to the present invention
In the range of technical solution of the present invention protection.
Claims (9)
1. a kind of electromagnetic relay of strap type push card, including pedestal, magnetic circuit part, contact portion and push card；The magnetic
Road part and contact portion are attached separately on pedestal, the push card be piece type structure and be located at magnetic circuit part and contact portion point it
Between；It is characterized by: one end of the length of the push card is equipped with a shaft for being directed toward wherein one side of its width, and shaft
Outer end peripheral size be less than inner end peripheral size to form outer small inner big structure；In the pedestal, pushed away corresponding to
The installation place of dynamic card is equipped with an axis hole approximately along horizontal direction, and the axis hole is set as structure big outside and small inside；When described
When shaft is matched with axis hole, shaft only has outer end and inner end to be in contact respectively with the hole wall of axis hole, and the middle section of shaft is not
It is in contact with the hole wall of axis hole, to realize the both ends positioning of shaft.
2. the electromagnetic relay of strap type push card according to claim 1, it is characterised in that: the shaft is circle,
The axis hole is rectangular.
3. the electromagnetic relay of strap type push card according to claim 1 or 2, it is characterised in that: it is further, also wrap
A blocking portion is included, which is located at for preventing the shaft of the push card from exiting from the axis hole position for adapting to the pedestal
Corresponding position.
4. the electromagnetic relay of strap type push card according to claim 3, it is characterised in that: the one side of the push card
Equipped with the first protrusion, the first protrusion of the push card is in contact with the armature of magnetic circuit part, and the another side of the push card is set
There is the second protrusion, the second protrusion of the push card is in contact with the movable contact spring of contact portion, and when armature movement, armature is driven
Second protrusion of push card pushes the movable contact spring of contact portion, and the movable contact on movable contact spring is made to connect with the stationary contact on quiet spring
Touching.
5. the electromagnetic relay of strap type push card according to claim 4, it is characterised in that: the blocking portion is connected to
On movable contact spring, which is located at the side of the second protrusion of the push card, and is the shaft in the push card from adaptation
In on the direction that the axis hole position of the pedestal is exited.
6. the electromagnetic relay of strap type push card according to claim 5, it is characterised in that: the second of the push card
Protrusion is two, is respectively provided at the both sides of the width of push card, the blocking portion is located at the another of the width corresponding to push card
The side of second protrusion of side position.
7. the electromagnetic relay of strap type push card according to claim 5 or 6, it is characterised in that: the blocking portion one
Body is located on the movable contact spring, is curved after being extended outwardly by the part of movable contact spring being in contact with the second protrusion of the push card
Folding is formed.
8. the electromagnetic relay of strap type push card according to claim 4, it is characterised in that: the blocking portion is connected to
On armature, which is located at the side of the first protrusion of the push card, and is the shaft in the push card from adapting to
On the direction that the axis hole position of the pedestal is exited.
9. the electromagnetic relay of strap type push card according to claim 3, it is characterised in that: it is further, further include
Shell, the shell are connected in the magnetic circuit part, contact portion and push card to be included in the pedestal, the resistance
Stopper is connected at the correspondence inner sidewall of shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710561855.5A CN107305825B (en) | 2017-07-11 | 2017-07-11 | A kind of electromagnetic relay of strap type push card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710561855.5A CN107305825B (en) | 2017-07-11 | 2017-07-11 | A kind of electromagnetic relay of strap type push card |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107305825A CN107305825A (en) | 2017-10-31 |
| CN107305825B true CN107305825B (en) | 2019-09-06 |
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ID=60150846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710561855.5A Active CN107305825B (en) | 2017-07-11 | 2017-07-11 | A kind of electromagnetic relay of strap type push card |
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| Country | Link |
|---|---|
| CN (1) | CN107305825B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7003787B2 (en) * | 2018-03-27 | 2022-01-21 | オムロン株式会社 | relay |
| CN110349810A (en) * | 2019-06-28 | 2019-10-18 | 宁波金海电子有限公司 | A kind of strong shock resistance and the electromagnetic relay convenient for Automated assembly |
| CN112103137B (en) * | 2020-09-25 | 2023-08-01 | 湖南三易精工科技有限公司 | Push rod relay |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102087932A (en) * | 2010-12-18 | 2011-06-08 | 厦门宏发电力电器有限公司 | Magnetic latching relay with symmetrical transmission structure |
| CN202167421U (en) * | 2011-08-12 | 2012-03-14 | 明光市三友电子有限公司 | Electromagnetic relay with integrated base |
| CN203521334U (en) * | 2013-10-31 | 2014-04-02 | 浙江申乐电气有限公司 | Electromagnetic relay |
| JP2017054948A (en) * | 2015-09-10 | 2017-03-16 | 株式会社埼玉富士 | Electromagnetic device and latching type electromagnetic relay using the same |
| CN207009377U (en) * | 2017-07-11 | 2018-02-13 | 厦门宏发电力电器有限公司 | The electromagnetic relay of strap type push card |
-
2017
- 2017-07-11 CN CN201710561855.5A patent/CN107305825B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102087932A (en) * | 2010-12-18 | 2011-06-08 | 厦门宏发电力电器有限公司 | Magnetic latching relay with symmetrical transmission structure |
| CN202167421U (en) * | 2011-08-12 | 2012-03-14 | 明光市三友电子有限公司 | Electromagnetic relay with integrated base |
| CN203521334U (en) * | 2013-10-31 | 2014-04-02 | 浙江申乐电气有限公司 | Electromagnetic relay |
| JP2017054948A (en) * | 2015-09-10 | 2017-03-16 | 株式会社埼玉富士 | Electromagnetic device and latching type electromagnetic relay using the same |
| CN207009377U (en) * | 2017-07-11 | 2018-02-13 | 厦门宏发电力电器有限公司 | The electromagnetic relay of strap type push card |
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| Publication number | Publication date |
|---|---|
| CN107305825A (en) | 2017-10-31 |
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