CN209169001U - A kind of Novel mandril switch - Google Patents
A kind of Novel mandril switch Download PDFInfo
- Publication number
- CN209169001U CN209169001U CN201821937981.2U CN201821937981U CN209169001U CN 209169001 U CN209169001 U CN 209169001U CN 201821937981 U CN201821937981 U CN 201821937981U CN 209169001 U CN209169001 U CN 209169001U
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- CN
- China
- Prior art keywords
- mandril
- static
- contacts
- spring
- contact
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Abstract
The utility model discloses a kind of Novel mandril switches, including switch base, static contact, movable contact spring, mandril and spring, the static contact includes No.1 static contact and No. two static contacts, the mandril front end is provided with spring, the spring is set in the mandril sliding slot and between the mandril front end and mandril sliding slot end wall, the static contact further includes No. three static contacts, No. three static contacts are between No. two static contacts and the mandril, described movable contact spring one end is fixed by caulking to No.1 static contact, the other end is overlapped on No. two static contacts or No. three static contacts by moving contact, No. three static contacts are located at the front of the moving contact and are located on the motion track of the moving contact.The utility model structure is simple, and loop switch facilitates rapid, is easily installed and uses；Static contact only there are three, spring only one, reduce cost；Movable contact spring and a static contact riveting are fixed, and electric conductivity is improved, and can be avoided electric shock damage and performance is unstable.
Description
Technical field
The utility model belongs to switching technique field, specifically, being a kind of Novel mandril switch.
Background technique
Plunger switch is a kind of simple electronic component for allowing hand over circuit loop, can be when by external pressure certainly
Dynamic switching route, structure is simple, is swift in response, and manufacturing cost is low, therefore is widely used in various electric appliances.
Common plunger switch is usually provided with four static contacts, and every two static contact is divided into one group, respectively with movable contact spring
Overlap joint forms two different circuits, pushes movable contact spring to advance or move back by mandril, realizes the switching in two circuits.But
Four static contacts of such plunger switch setting increase the volume and manufacturing cost of plunger switch, also, such plunger switch
Two springs are typically provided with, manufacturing cost is also increased, at the same time, the movable contact spring and all static contacts that this mandril opens block are all
It is to be connected to by overlapping, conductive effect is bad, and electric shock is be easy to cause to damage, and performance is more unstable.
Utility model content
The purpose of this utility model is to provide a kind of Novel mandril switches, can be realized the simple switching of circuit, structure
Simple and safe, manufacturing cost is low, and transition effect is good.
To achieve the goals above, the technical solution of the utility model are as follows: a kind of Novel mandril switch, including switch base,
Static contact, movable contact spring, mandril and spring, the static contact, movable contact spring, mandril and spring are mounted on inside the switch base, institute
In the mandril sliding slot for stating the middle part that mandril is located at the switch base, and the switch base is stretched out backward, the mandril can be described
It is slided in mandril sliding slot, the static contact includes the No.1 static contact and No. two static contacts for being located at the mandril two sides, institute
The rear end for stating No.1 static contact and No. two static contacts is connected to the both ends of the movable contact spring, and the mandril front offers row
Journey slot, the movable contact spring pass through the stroke groove and can move in the stroke groove along mandril length direction, and the spring is set
In in the mandril sliding slot and between the mandril front end and mandril sliding slot end wall, the static contact further includes No. three stationary contacts
Piece, the moving contact are two-way contact, and No. three static contacts are described dynamic between No. two static contacts and the mandril
Contact one end is fixed by caulking to No.1 static contact, and the other end is overlapped in No. two static contacts or No. three static contacts by moving contact
On, No. three contacts on No. three static contacts are located at the front of the moving contact and are located at the shifting of the moving contact anterior displacement
On dynamic rail mark.
In the technical scheme of this embodiment, the No.1 static contact, movable contact spring and No. two static contact forming circuits one, institute
No.1 static contact, movable contact spring and No. three static contact forming circuits two are stated to realize by the movement of push rod to circuit one and circuit two
Free switching.
The principles of the present invention are as follows: when original state, circuit one is closed, and circuit two disconnects, when the mandril is because of stress
And move forward, the movable contact spring does not move and is not affected by the thrust of mandril, when the mandril moves forward a distance
Afterwards, the rear end end of the stroke groove starts to contact and squeeze the movable contact spring, because No.1 static contact is fixed in movable contact spring one end,
The movable contact spring can deformation occurs, and the moving contact moves forward, and so that moving contact is detached from No. two contacts, at this time one He of circuit
Circuit two disconnects, until contradicting with No. three contacts, circuit two is closed.When the mandril stress reduces or disappears, institute
The thrust of the restoring force offer of spring backward is provided, moves backward the mandril, while moving contact being made to be detached from No. three contacts
And it is mobile to No. two contacts.
In the technical solution of the utility model, the natural length of the spring be greater than or equal to its movable contact spring with
Length when No. two stationary contact oblique cut graftings, the spring are constantly in the state of being squeezed, described in the non-stress of the mandril
The front end end wall of stroke groove makes the moving contact of movable contact spring against the movable contact spring, and under the action of spring extruding force in mandril
Against No. two contacts.
Further, the movable contact spring is elastic movable contact spring, when the movable contact spring is not affected by the active force of the mandril with
No. two stationary contact oblique cut graftings, i.e., when the described movable contact spring deforms, the direction of restoring force always backward so that when mandril to
When preceding mobile, the moving contact of the movable contact spring will not immediately disengage No. two contacts, and circuit one is still in closed state.When
When the mandril stress forward movement contradicts moving contact and No. three contacts, the movable contact spring and the spring provide backward jointly
Restoring force so that the moving contact can be detached from No. three contacts and lean on when power that the mandril is subject to reduces or disappears
To No. two contacts.
From the above technical characteristic and principle it is found that the utility model is only when the pressure that the mandril is subject to is sufficiently large,
Circuit two can be just switched to from circuit one, also, the switching between circuit one and circuit two is not transition.
Preferably, being provided on the No.1 static contact, No. two static contacts and No. three static contacts long perpendicular to mandril
The bending in direction is spent, No. two contacts and No. three contacts are located in the bending of No. two static contacts and No. three static contacts, institute
It states movable contact spring and passes through No. two contacts and No. three contacts and No. two static contacts and No. three stationary contact oblique cut graftings respectively, installation is simple, contact
Effect is good, and conductive security is high-efficient.
Preferably, the mandril outer surface is provided with positioning strip along its length, it is corresponding, the switch base
The locating slot with positioning strip cooperation is offered in the mandril sliding slot, the positioning strip and locating slot can prevent the top
Bar rotation, in order to avoid influence the use of movable contact spring.
Preferably, the mandril is provided with limited block one, the switch base upper ejector pin sliding slot side at medium position
Portion is provided with limited block two, and the limited block one and limited block two match the limit completed to mandril, so that mandril is described
It is formed in slot when sliding, will not stretch out and fall off backward, it can also be to avoid the mandril to excessively the squeezing backward of the movable contact spring
Pressure.
Preferably, the switch seating portion is stretched out in the mandril rear end is provided with a bending, limit three, the limit are formed
Position three cooperates with the switch base, can limit the forward displacement of the mandril, prevents mandril when being pressurized excessive in switch base
Portion's structure is destroyed.
Preferably, the switch base is divided into two mounting portions up and down, it is convex that the opposite face of the mounting portion is provided with installation
It rises and installation groove, the positioning for two mounting portions is clamped, additionally it is possible to increase the mounting stability of two mounting portions.
The beneficial effects of the utility model have:
1. structure is simple, loop switch facilitates rapid, is easily installed and uses.
2. there are three the static contact settings of the utility model, than traditional few one, reduce cost.
3. one end of movable contact spring and the riveting of one of static contact are fixed, while saving cost, electric conductivity is improved
Can, it can be avoided electric shock damage and performance instability problem caused by high temperature.
4. movable contact spring of the utility model itself has elasticity, therefore need to only be arranged a spring, reduce manufacturing cost
And difficulty.
Detailed description of the invention
Fig. 1 is the perspective view of the utility model embodiment.
Fig. 2 is the schematic diagram of internal structure that the utility model embodiment hides a part of switch base.
Fig. 3 is that the utility model embodiment removes the structural schematic diagram after switch base.
Fig. 4 is the structural schematic diagram of the utility model embodiment switch base mounting portion.
Every point of ratio in figure are as follows: 1 switch base, 2 movable contact springs, 3 mandrils, 4 springs, 5 mandril sliding slots, 6 No.1 static contacts, 7 two
Number static contact, 8 stroke grooves, 9 moving contacts, 10 No. two contacts, 11 No. three static contacts, 12 No. three contacts, 13 rear end ends, 14 front ends
End, 15 positioning strips, 16 locating slots, 17 limited blocks one, 18 limited blocks two, 19 limits three, 20 mounting portions, 21 installation protrusions, 22
Installation groove.
Specific embodiment
The technical solution of the utility model is explained in detail below in conjunction with embodiment and attached drawing.It should be noted that
It is that it is not to the utility model technical side that front-rear direction is simpler intuitive just for the sake of making to describe in the embodiment
The restriction of case, wherein before the direction of static contact stretching switch base side is, the direction that institute's mandril stretches out switch base side is
Afterwards.
As shown in Fig. 1 ~ 4, a kind of Novel mandril switch, including switch base 1, static contact, movable contact spring 2, mandril 3 and spring 4,
The static contact, movable contact spring 2, mandril 3 and spring 4 are mounted on inside the switch base 1, and the mandril 3 is located at the switch base 1
Middle part mandril sliding slot 5 in, and stretch out the switch base 1 backward, the mandril 3 can slide in the mandril sliding slot 5, institute
Stating static contact includes the No.1 static contact 6 and No. two static contacts 7 for being located at 3 two sides of mandril, 6 He of No.1 static contact
The rear end of No. two static contacts 7 is connected to the both ends of the movable contact spring 2, and 3 front of mandril offers stroke groove 8, described
Movable contact spring 2 passes through the stroke groove 8 and can move in the stroke groove 8 along 3 length direction of mandril, and the spring 4 is set to institute
It states in mandril sliding slot 5 and between 3 front end of mandril and 5 end wall of mandril sliding slot, the static contact further includes No. three stationary contacts
Piece 11, the moving contact 9 are two-way contact, No. three static contacts 11 be located at No. two static contacts 7 and the mandril 3 it
Between, described 2 one end of movable contact spring is fixed by caulking to No.1 static contact 6, and the other end is overlapped in No. two static contacts by moving contact 9
7 or No. three static contacts 11 on, No. three contacts 12 on No. three static contacts 11 be located at the front of the moving contact 9 and be located at institute
On the motion track for stating 9 anterior displacement of moving contact.
In the technical scheme of this embodiment, the No.1 static contact 6, movable contact spring 2 and No. two stationary contact 7 forming circuits
One, the No.1 static contact 6, movable contact spring 2 and No. three forming circuits of static contact 11 two are realized by the movement of push rod 3 to circuit
One and circuit two free switching.
The principles of the present invention are as follows: when original state, circuit one is closed, and circuit two disconnects, when the mandril 3 is because of stress
And move forward, the movable contact spring 9 does not move and is not affected by the thrust of mandril 3, when the mandril 3 move forward one section away from
From rear, the rear end end 13 of the stroke groove 8 starts to contact and squeeze the movable contact spring 2, because No.1 is fixed in 2 one end of movable contact spring
Static contact 6, the movable contact spring 2 can deformation occurs, and the moving contact 9 moves forward, and moving contact 9 is made to be detached from No. two contacts
10, circuit one and circuit two disconnect at this time, until contradicting with No. three contacts 12, circuit two is closed.When the mandril by
When power reduces or disappears, the restoring force of the spring 4 provides thrust backward, moves backward the mandril 3, while making touching
First 9 are detached from No. three contacts 12 and move to No. two contacts 10.
In the technical scheme of this embodiment, the natural length of the spring 4 is greater than it in the movable contact spring 2 and described two
Length when number static contact 8 overlaps, the spring 4 is constantly in the state of being squeezed, in the 3 non-stress of mandril, the top
The front end end wall 14 of stroke groove 8 makes the dynamic of movable contact spring 2 against the movable contact spring 9, and under the action of 4 extruding force of spring in bar 3
Contact 9 abuts No. two contacts 10.
Further, the movable contact spring 2 is elastic movable contact spring, when the movable contact spring 2 is not affected by the active force of the mandril 3
Overlapped with No. two static contacts 7, i.e., when the movable contact spring 2 deforms, the direction of restoring force always backward so that working as
When mandril 3 moves forward, the moving contact 9 of the movable contact spring 2 will not immediately disengage No. two contacts 10, and circuit one is still in
Closed state.When 3 stress of mandril forward movement makes moving contact 9 with the conflict of No. three contacts 12, the movable contact spring 2 and described
Spring 4 provides restoring force backward jointly, so that the moving contact 9 can take off when the power that the mandril 3 is subject to reduces or disappears
From No. three contacts 12 and it is close to No. two contacts 10.
From the above technical characteristic and principle it is found that the present embodiment is only when the pressure that the mandril 3 is subject to is sufficiently large,
Circuit two can be switched to from circuit one, also, the switching between circuit one and circuit two is not transition.
As shown in figures 2 and 3, it is provided with vertically on 6, No. two static contacts 7 of the No.1 static contact and No. three static contacts 11
In the bending of 3 length direction of mandril, No. two contacts 10 and No. three contacts 12 are located at No. two static contacts 7 and No. three stationary contacts
In the bending of piece 11, the movable contact spring 2 passes through No. two contacts 10 and No. three contacts 12 and No. two static contacts 6 and No. three stationary contacts respectively
Piece 7 overlaps, and the bending is so that installation is simple, and contact effect is good, and conductive security is high-efficient.
In the present embodiment, 3 outer surface of mandril is provided with positioning strip 15 along its length, corresponding, described
The locating slot 16 with the positioning strip 15 cooperation, the positioning strip 15 and positioning are offered in the mandril sliding slot 5 of switch base 1
Slot 16 can prevent the mandril 3 from rotating, in order to avoid influence the use of movable contact spring 2.
The mandril 3 is provided with limited block 1,5 side of mandril sliding slot on the switch base 1 at medium position
Portion is provided with limited block 2 18, and the limited block 1 and limited block 2 18 match the limit completed to mandril, so that mandril
When being slided in the formation slot, will not stretch out and fall off backward, can also to avoid the mandril to the movable contact spring excessively to
Extruding afterwards.
Further, 3 rear end of the mandril stretching, 1 part of switch base is provided with a bending, forms limit 3 19, institute
It states limit 3 19 to cooperate with the switch base 1, the forward displacement of the mandril 3 can be limited, when mandril 3 being prevented to be pressurized excessive pair
1 internal structure of switch base is destroyed.
As shown in figure 4, the switch base, which is divided into two mounting portions 20, the opposite face of the mounting portion 20 up and down, is provided with peace
Dress protrusion 21 and installation groove 22, the positioning clamping for two mounting portions 20, additionally it is possible to increase the installation of two mounting portions 20
Stability.
Claims (9)
1. a kind of Novel mandril switch including switch base (1) and is mounted on the internal static contact of the switch base (1), movable contact spring
(2), mandril (3), spring (4), the mandril (3) are located in the mandril sliding slot (5) at the middle part of the switch base (1), and backward
It stretches out the switch base (1), the mandril (3) can be slided in the mandril sliding slot (5), and the static contact includes being located at
The No.1 static contact (6) of mandril (3) two sides and No. two static contacts (7), the No.1 static contact (6) and No. two static contacts
(7) rear end is connected to the both ends of the movable contact spring (2), and mandril (3) front offers stroke groove (8), described dynamic
Contact (2) passes through the stroke groove (8) and can be mobile along mandril (3) length direction in the stroke groove (8), and the mandril is sliding
The spring (4) being provided in slot (5) between the mandril (3) front end and mandril sliding slot (5) end wall, it is characterised in that: institute
Stating static contact further includes No. three static contacts (11), and No. three static contacts (11) are located at No. two static contacts (7) and the top
Between bar (3), described movable contact spring (2) one end is fixed by caulking to No.1 static contact (6), and the other end is overlapped in No. two static contacts
(7) it or is overlapped on No. three static contacts (11).
2. a kind of Novel mandril switch according to claim 1, it is characterised in that: the movable contact spring (2) is the dynamic touching of elasticity
Piece overlaps when the movable contact spring (2) is not affected by the active force of the mandril (3) with No. two static contacts (7).
3. a kind of Novel mandril switch according to claim 1 or 2, it is characterised in that: the natural length of the spring (4)
More than or equal to its length when the movable contact spring (2) and No. two static contacts (7) overlap.
4. a kind of Novel mandril switch according to claim 2, it is characterised in that: be provided on the movable contact spring (2) double
To moving contact (9), the movable contact spring (2) passes through two-way moving contact (9) and No. three static contacts (11) and No. two stationary contacts
Piece (7) overlap joint.
5. a kind of Novel mandril switch according to claim 4, it is characterised in that: the No.1 static contact (6), No. two it is quiet
The bending perpendicular to mandril (3) length direction is provided on contact (7) and No. three static contacts (11).
6. a kind of Novel mandril switch according to claim 5, it is characterised in that: set in the bending of No. two static contacts (7)
No. two contacts (10) are equipped with, the movable contact spring (2) is overlapped on No. two static contacts (7) by No. two contacts (10).
7. a kind of Novel mandril switch according to claim 5, it is characterised in that: set in the bending of No. three static contacts (11)
No. three contacts (12) are equipped with, the movable contact spring (2) is overlapped on No. three static contacts (11) by No. three contacts (12).
8. a kind of Novel mandril switch according to claim 2, it is characterised in that: mandril (3) outer surface is provided with
Positioning strip (15) along its length, it is corresponding, offered in the mandril sliding slot (5) of the switch base (1) with it is described
The locating slot (16) of positioning strip (15) cooperation.
9. a kind of Novel mandril switch according to claim 1, it is characterised in that: the switch base (1) is divided into upper and lower two
A mounting portion (20), the opposite face of the mounting portion (20) are provided with installation raised (21) and installation groove (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821937981.2U CN209169001U (en) | 2018-11-23 | 2018-11-23 | A kind of Novel mandril switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821937981.2U CN209169001U (en) | 2018-11-23 | 2018-11-23 | A kind of Novel mandril switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209169001U true CN209169001U (en) | 2019-07-26 |
Family
ID=67339668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821937981.2U Expired - Fee Related CN209169001U (en) | 2018-11-23 | 2018-11-23 | A kind of Novel mandril switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209169001U (en) |
-
2018
- 2018-11-23 CN CN201821937981.2U patent/CN209169001U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190726 Termination date: 20201123 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |