CN207896036U - A kind of contact protection formula relay - Google Patents
A kind of contact protection formula relay Download PDFInfo
- Publication number
- CN207896036U CN207896036U CN201721331749.XU CN201721331749U CN207896036U CN 207896036 U CN207896036 U CN 207896036U CN 201721331749 U CN201721331749 U CN 201721331749U CN 207896036 U CN207896036 U CN 207896036U
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- shell
- moving contact
- contact
- insulating base
- spliced eye
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Abstract
The utility model is related to electrical equipment technical fields, refer in particular to a kind of contact protection formula relay, including shell, it is provided with electromagnetic mechanism in the shell, moving contact and two static contacts, the moving contact is connected to the electromagnetic mechanism, the moving contact is located between two static contacts, the insulating base for protecting the moving contact and two static contacts is additionally provided in the shell, the moving contact and two static contacts are respectively positioned in the insulating base, there are two Lead-through terminals for the insulating base grafting, two Lead-through terminals stretch out the shell respectively, two static contacts are connected to two Lead-through terminals.The utility model is by being provided with insulating base, and to protect moving contact and two static contacts, the foreign matter for avoiding enter into shell is attached to moving contact or static contact under the action of a magnetic force, to ensure that moving contact and static contact reliable contacts and can detach always.
Description
Technical field
The utility model is related to electrical equipment technical fields, refer in particular to a kind of contact protection formula relay.
Background technology
The appearance of relay has vital effect for industrial development.By the control of relay, the mankind can be with
Realization is operated by low-pressure end, the break-make of high-pressure side is controlled, to reduce the danger brought by operations involving high pressure.
But current relay has deficiency below：Its contact be directly installed in the shell of relay, if
There is foreign matter in shell, then the foreign matter is likely to fly around under the influence of a magnetic field, leads to dynamic touch to collide contact
Head and static contact poor contact, affect the normal use of relay.
Invention content
The utility model provides a kind of contact protection formula relay for problem of the prior art, contact can be protected to exempt from
The collision of foreign matter.
In order to solve the above-mentioned technical problem, the utility model adopts the following technical solution：
A kind of contact provided by the utility model protects formula relay, including shell, and electromagnetic motor is provided in the shell
Structure, moving contact and two static contacts, the moving contact are connected to the electromagnetic mechanism, and the moving contact is located at two static contacts
Between, be additionally provided with the insulating base for protecting the moving contact and two static contacts in the shell, the moving contact with
Two static contacts are respectively positioned in the insulating base, and there are two Lead-through terminal, two Lead-through terminals point for the insulating base grafting
The shell is not stretched out, and two static contacts are connected to two Lead-through terminals.
Further, the electromagnetic mechanism includes yoke shell, coil, secured core and armature, the insulating base packet
The two fixed plates for including newel and being separately positioned on the newel both ends, the yoke shell are installed on the insulating base
One piece of fixed plate, the coil be wound in the outside of the newel and be arranged between two fixed plates, the moving contact
It is respectively positioned in another piece of fixed plate with two static contacts, the secured core is arranged in the newel；The yoke connection
There are shrapnel, the moving contact and armature to may be contained within shrapnel, the secured core is for attracting armature.
Further, power supply terminal there are two being also set up in the shell, one end of the power supply terminal stretches out institute
Shell is stated, the other end of the power supply terminal is installed in one piece of fixed plate, and the other end of the power supply terminal is connected to the line
Circle.
Further, the fixed plate is provided with the first spliced eye and is communicated in the second of first spliced eye and inserts
Hole is connect, the power supply terminal is located in first spliced eye and in second spliced eye；The hole of first spliced eye
Diameter is more than the aperture of second spliced eye, and the power supply terminal is socketed restraining position ring block, and the outer diameter of the spacing ring is more than described
The aperture of second spliced eye, spacing ring are fastened in the side wall of the second spliced eye.
Further, the power supply terminal includes plug division and the interconnecting piece from plug division bending extension, the grafting
Portion is plugged in the fixed plate, and the interconnecting piece is connected to the coil.
Further, the insulating base further includes reinforcing plate, and two fixed plates one end close to each other is provided with cunning
The both ends of slot, the reinforcing plate are located in respectively in two sliding slots.
Further, the shell is additionally provided with moving contact end, and one end of moving contact end is connected to the yoke
The other end of shell, moving contact end stretches out the shell.
Further, the static contact is plugged in the Lead-through terminal.
Further, the Lead-through terminal is provided with the locating piece for insulating base described in clamping.
The beneficial effects of the utility model：By being provided with insulating base inside the shell, and moving contact and static contact
Be arranged in insulating base, when play the role of foreign matter inside the shell by magnetic field and disorderly hit when, insulating base can stop
Foreign matter to avoid foreign matter from colliding moving contact or static contact and face attached thereto, and then avoids foreign materials away to dynamic
Contact is contacted with the normal of static contact, ensure that the utility model can work normally.
Description of the drawings
Fig. 1 is the schematic diagram of the utility model.
Fig. 2 is the sectional view of the utility model.
Fig. 3 is the decomposition diagram of the electromagnetic mechanism of the utility model.
Fig. 4 is the sectional view of the insulating base of the utility model.
Fig. 5 is the schematic diagram of the Lead-through terminal of the utility model.
Fig. 6 is the schematic diagram of the Lead-through terminal of the utility model.
Reference numeral：1- shells, 2- electromagnetic mechanisms, 3- moving contacts, 4- static contacts, 6- Lead-through terminals, 7- power supply terminals, 8
One moving contact end, 21- yoke shells, 22- coils, 23-insulating bases, 24- secured cores, 25- armature, 26- shrapnels, 61- positioning
Block, 71-plug divisions, 72- interconnecting pieces, 73- spacing rings, 231- newels, 232- fixed plates, the first spliced eyes of 233-, 234-
Second spliced eye, 235- sliding slots, 236- reinforcing plates.
Specific implementation mode
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.The utility model is carried out below in conjunction with attached drawing
Detailed description.
As shown in Figure 1 to Figure 3, a kind of contact provided by the utility model protects formula relay, including shell 1, described outer
Electromagnetic mechanism 2, moving contact 3 and two static contacts 4 are provided in shell 1, the moving contact 3 is connected to the electromagnetic mechanism 2, institute
Moving contact 3 is stated between two static contacts 4, is additionally provided in the shell 1 for protecting the moving contact 3 and two stationary contacts
First 4 insulating base 23, the moving contact 3 and two static contacts 4 are respectively positioned in the insulating base 23, the insulating base 23
There are two Lead-through terminal 6, two Lead-through terminals 6 to stretch out the shell 1 respectively for grafting, and two static contacts 4 are connected to two
A Lead-through terminal 6.
The utility model is respectively provided with by being provided with insulating base 23 in shell 1, and moving contact 3 and static contact 4
In insulating base 23, when playing the role of foreign matter and disorderly being hit by magnetic field in the shell 1, insulating base 23 can stop different
Object to avoid foreign matter from colliding moving contact 3 or static contact 4 and face attached thereto, and then avoids foreign materials away to dynamic
Contact 3 is contacted with the normal of static contact 4, ensure that the utility model can work normally.In addition to this, insulating base 23 is set
It sets, additionally it is possible to if avoid thering is component to leak electricity inside the utility model, conductance to a certain static contact 4 will not be made
Moving contact 3 is contacted with the static contact 4 always, ensure that the reliability of the utility model.
As shown in figure 3, in the present embodiment, the electromagnetic mechanism 2 include yoke shell 21, coil 22, secured core 24 with
And armature 25, the insulating base 23 include newel 231 and be separately positioned on two pieces of 231 both ends of the newel it is solid
Fixed board 232, the yoke shell 21 are installed on one piece of fixed plate 232 of the insulating base 23, and the coil 22 is wound in described
The outside of newel 231 is simultaneously arranged between two fixed plates 232, and the moving contact 3 and two static contacts 4 are respectively positioned on another piece
In fixed plate 232, the secured core 24 is arranged in the newel 231；The yoke is connected with shrapnel 26, described dynamic tactile
First 3 and armature 25 may be contained within shrapnel 26, the secured core 24 is for attracting armature 25.By protection moving contact 3 and two
The insulating base 23 of a static contact 4 and insulating base 23 for avoiding coil 22 from leaking off to shell 1 are integrated into a component,
The space inside shell 1 can be effectively saved, to avoid the inside of shell 1 from causing easily to break down because component is excessive.
As shown in Figure 1, in the present embodiment, also set up that there are two power supply terminal 7, the power supply terminals 7 in the shell 1
One end stretch out the shell 1, the other end of the power supply terminal 7 is installed in one piece of fixed plate 232, the power supply terminal 7
The other end be connected to the coil 22.Specifically, as shown in figure 4, the fixed plate 232 be provided with the first spliced eye 233 with
And it is communicated in the second spliced eye 234 of first spliced eye 233, the power supply terminal 7 is located in first spliced eye 233
In interior and described second spliced eye 234；The aperture of first spliced eye 233 is more than the aperture of second spliced eye 234, institute
It states power supply terminal 7 and is socketed restraining position ring block 73, the outer diameter of the spacing ring 73 is more than the aperture of second spliced eye 234, limit
Position ring 73 is fastened in the side wall of the second spliced eye 234.Preferably, as shown in Fig. 5, the power supply terminal 7 includes 71 He of plug division
The interconnecting piece 72 that bending extends from plug division 71, the plug division 71 are plugged in the fixed plate 232, and the interconnecting piece 72 connects
In the coil 22.
When installing power supply terminal 7, power supply terminal 7 is inserted into the first spliced eye 233, interconnecting piece 72 sequentially passes through first and inserts
After connecing hole 233 and the second spliced eye 234, bent to 22 direction of coil until touch coil 22, at this time spacing ring 73 because
Be fastened in the bending of the side wall and interconnecting piece 72 of the second spliced eye 234 and so that plug division 71 is restfully installed with is inserted first
It connects in hole 233 and the second spliced eye 234, ensure that power supply terminal 7 can be reliablely and stablely that coil 22 is powered, and will not be
Occur to be detached from the accident being even detached from the first spliced eye 233, the second spliced eye 234 with coil 22 under electrodynamic effect, protect
The reliability of the power supply of power supply terminal 7 is demonstrate,proved.
Specifically, as shown in figure 3, the insulating base 23 further includes reinforcing plate 236, two fixed plates 232 are close to each other
One end be provided with sliding slot 235, the both ends of the reinforcing plate 236 are located in respectively in two sliding slots 235.Reinforcing plate 236 is set
It sets, to increase the intensity of insulating base 23, ensure that insulating base 23 will not be because of the electromagnetic mechanism 2 and static contact that bear
4 weight are excessive and deform upon.
As shown in Figure 1, in the present embodiment, the shell 1 is additionally provided with moving contact end 8, one end of moving contact end 8
It is connected to the yoke shell 21, the other end of moving contact end 8 stretches out the shell 1.Moving contact end son 8 for it is any one
Lead-through terminal 6 constitute circuit, according to the Lead-through terminal 6 whether connect electricity and the power on/off of control device.
In the present embodiment, the static contact 4 is plugged in the Lead-through terminal 6, specially static contact 4 and Lead-through terminal 6
Interference fit, under the premise of ensure that static contact 4 can steadily be connect with Lead-through terminal 6, also so that static contact 4 is detachable,
Consequently facilitating replacing static contact 4.
As shown in fig. 6, in the present embodiment, the Lead-through terminal 6 is provided with to be determined for insulating base described in clamping 23
Lead-through terminal 6 is installed on insulating base 23 by position block 61 for coordinating, and avoids Lead-through terminal 6 from being inserted into insulating base 23 too deep
And affect high-pressure side connects electricity.
The above is only the utility model preferred embodiment, is not made in any form to the utility model
Limitation, although the utility model is disclosed as above with preferred embodiment, is not limited to the utility model, any to be familiar with sheet
Technical professional is not departing within the scope of technical solutions of the utility model, is made when using the technology contents of the disclosure above
A little change or the equivalent embodiment for being modified to equivalent variations, as long as being without departing from the content of the technical scheme of the utility model, foundation
The utility model technology refers to belonging to this practicality to any simple modification, equivalent change and modification made by above example
In the range of new technique scheme.
Claims (7)
1. a kind of contact protects formula relay, including shell, it is quiet to be provided with electromagnetic mechanism, moving contact and two in the shell
Contact, the moving contact are connected to the electromagnetic mechanism, and the moving contact is located between two static contacts, it is characterised in that：Institute
State the insulating base being additionally provided in shell for protecting the moving contact and two static contacts, the moving contact and two stationary contacts
Head is respectively positioned in the insulating base, and there are two Lead-through terminal, two Lead-through terminals to stretch out respectively for the insulating base grafting
The shell, two static contacts are connected to two Lead-through terminals；
The electromagnetic mechanism includes yoke shell, coil, secured core and armature, and the insulating base includes newel and divides
Two fixed plates at the newel both ends are not set, the yoke shell is installed on one piece of fixed plate of the insulating base,
The coil is wound in the outside of the newel and is arranged between two fixed plates, and the moving contact and two static contacts are equal
In another piece of fixed plate, the secured core is arranged in the newel；The yoke is connected with shrapnel, described dynamic tactile
Head and armature may be contained within shrapnel, and the secured core is for attracting armature；
The insulating base further includes reinforcing plate, and two fixed plates one end close to each other is provided with sliding slot, the reinforcing plate
Both ends are located in respectively in two sliding slots.
2. contact according to claim 1 protects formula relay, it is characterised in that：Electricity there are two being also set up in the shell
One end of source terminal, the power supply terminal stretches out the shell, and the other end of the power supply terminal is installed in one piece of fixed plate,
The other end of the power supply terminal is connected to the coil.
3. contact according to claim 2 protects formula relay, it is characterised in that：The fixed plate is provided with the first grafting
Hole and the second spliced eye for being communicated in first spliced eye, the power supply terminal is located in first spliced eye and institute
It states in the second spliced eye；The aperture of first spliced eye is more than the aperture of second spliced eye, the power supply terminal socket
Restraining position ring block, the outer diameter of the spacing ring are more than the aperture of second spliced eye, and spacing ring is fastened in the side of the second spliced eye
Wall.
4. contact according to claim 2 protects formula relay, it is characterised in that：The power supply terminal include plug division and
The interconnecting piece that bending extends from plug division, the plug division are plugged in the fixed plate, and the interconnecting piece is connected to the coil.
5. contact according to claim 1 protects formula relay, it is characterised in that：The shell is additionally provided with moving contact end
One end of son, moving contact end is connected to the yoke shell, and the other end of moving contact end stretches out the shell.
6. contact according to claim 1 protects formula relay, it is characterised in that：The static contact is plugged in the conducting
Terminal.
7. contact according to claim 1 protects formula relay, it is characterised in that：The Lead-through terminal is provided with for card
Hold the locating piece of the insulating base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721331749.XU CN207896036U (en) | 2017-10-13 | 2017-10-13 | A kind of contact protection formula relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721331749.XU CN207896036U (en) | 2017-10-13 | 2017-10-13 | A kind of contact protection formula relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207896036U true CN207896036U (en) | 2018-09-21 |
Family
ID=63546993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721331749.XU Active CN207896036U (en) | 2017-10-13 | 2017-10-13 | A kind of contact protection formula relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207896036U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112908779A (en) * | 2021-01-21 | 2021-06-04 | 商秀贺 | Time relay with connection composite structure |
-
2017
- 2017-10-13 CN CN201721331749.XU patent/CN207896036U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112908779A (en) * | 2021-01-21 | 2021-06-04 | 商秀贺 | Time relay with connection composite structure |
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