CN108389740A - A kind of state-indicating switch - Google Patents
A kind of state-indicating switch Download PDFInfo
- Publication number
- CN108389740A CN108389740A CN201810388199.8A CN201810388199A CN108389740A CN 108389740 A CN108389740 A CN 108389740A CN 201810388199 A CN201810388199 A CN 201810388199A CN 108389740 A CN108389740 A CN 108389740A
- Authority
- CN
- China
- Prior art keywords
- contact
- switch
- connecting sheet
- groove
- power connecting
- 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.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H3/16—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. for a door switch, a limit switch, a floor-levelling switch of a lift
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/02—Contacts characterised by the material thereof
- H01H1/021—Composite material
- H01H1/025—Composite material having copper as the basic material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/06—Contacts characterised by the shape or structure of the contact-making surface, e.g. grooved
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/58—Electric connections to or between contacts; Terminals
- H01H1/5822—Flexible connections between movable contact and terminal
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H5/00—Snap-action arrangements, i.e. in which during a single opening operation or a single closing operation energy is first stored and then released to produce or assist the contact movement
- H01H5/04—Energy stored by deformation of elastic members
- H01H5/06—Energy stored by deformation of elastic members by compression or extension of coil springs
- H01H5/08—Energy stored by deformation of elastic members by compression or extension of coil springs one end of spring transmitting movement to the contact member when the other end is moved by the operating part
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Materials Engineering (AREA)
- Push-Button Switches (AREA)
Abstract
The invention discloses a kind of state-indicating switchs, belong to switching technique field.Including pin, spring, power connecting sheet, contact, switch base, contact base, shell and clamp.Usually, the switch is placed on animal body to be shipped, spring is in compressive state, two contacts of contact base upper end are contacted with power connecting sheet, this two contacts constitute switch all the way, switch is in short-circuit condition, the contact of contact base lower end is detached from power connecting sheet, the contact of contact and lower end among contact base constitutes the another way of switch, switch is in off state, when object of which movement to be exercised, release the constraint to pin and spring, spring pushes pin to move downward, the circuit that two contacts of former upper end are constituted becomes open circuit from short circuit, the circuit that two contacts of lower end are constituted becomes short circuit from open circuit.The present invention has both short circuit and breaking two states simultaneously, and can mutually convert, while having simple and compact for structure, starts sensitive, reliable operation, it is of low cost the advantages that.
Description
Technical field
The present invention relates to switching technique fields, and in particular to a kind of state-indicating switch.
Background technology
In order to accurately judge the operating position residing for certain workpieces in electronic product, one kind is needed
State-indicating switch；Meanwhile for some products containing sensitive priming system, priming system accidental action in order to prevent, it usually needs
Short-circuit protection is carried out to it, this, which just needs state-indicating switch before switching, can play to sensitive priming system progress short-circuit protection
Function.
The patent " a kind of state-indicating switch " that Guizhou Space Electric Co., Ltd declares, application number
201110119554.X.The switch is made of shell, sealing cap assemblies, spring, state pin, dynamic contact assembly, quiet contact assembly.
Under normal conditions, state-indicating switch is in compression position, when the missile wing or other workpieces that state pin is detected compress,
Due to being acted on by external force, state pin compressed spring, the inside of indentation state switch makes the annulus wheel being fixed on state pin
Tire shape moving contacting plate and the contact of fixed contact system on the shell disconnect.When detected workpiece is not in specified position
When, state pin is not acted on by detected component power, and state pin is in not by the free state of external force, anti-due to interior outer spring
Force effect makes the annular tire shape moving contacting plate being fixed on state pin and the contact of fixed contact system on the shell connect
It is logical, export electric signal.The state-indicating switch of the invention can accurate judgement position and output electric signal, have stability high, fortune
It is dynamic flexible, reliable operation, the good feature of sealing effect.But the quiet contact assembly of the invention is on same plane, conversion
Apart from non-adjustable, it is difficult to which satisfaction uses in the occasion with required distance, and does not have while having both short circuit and open circuit two
The function of kind state, application range are restricted.
Invention content
For the demand of the prior art, the purpose of the present invention is to provide a kind of state-indicating switchs, utilize three contacts
The set of circuits for constituting switch two-by-two, contact and disconnection by contact with power connecting sheet, realization switch on-off conversion.The present invention
Short circuit and breaking two states are had both simultaneously, and can mutually be converted, while having simple and compact for structure, start sensitive, work can
Lean on, it is of low cost the advantages that.
To achieve the above object, the present invention adopts the following technical scheme that, a kind of state-indicating switch, which is characterized in that packet
It includes：Pin, spring, power connecting sheet, contact, switch base, contact base, shell and clamp；
The pin is stepped cylinder body, and by small column, big cylinder and cylinder are integrally formed, and set is shot on small column
Spring, to play guiding role to spring, big cylinder matches with switch base bottom groove, and when convenient for pin movement, promotion is opened
It closes seat to move together, cylinder is associated with animal body to be shipped；
The beryllium bronze band bending that the power connecting sheet is elasticity and restorative preferable thickness is 0.2mm forms, on power connecting sheet
End and right side are plane, and power connecting sheet lower end is an arc transition, has the circular arc at angle of inclination, power connecting sheet left on the left of power connecting sheet
The angle on side and right side is 20 °~40 °, and power connecting sheet is placed in the both sides square groove of switch base, so set, by power connecting sheet
Restriction is optimized in bending angle so that power connecting sheet has the function of to deform and restore well, can reliably realize power connecting sheet
And contact, improve the contact reliability of switch；
The contact is metal material, and one end is cylindrical structure, and the other end is hemisphere header structure, and hemispherical head is placed in contact
In the square three-way groove of seat, cylinder passes through the through-hole of contact base and is interference fitted with contact base and fixed, and the welding of cylinder tail portion is led
Line, the root that contact is connected with conducting wire are fixed with epoxy potting compound embedding, and each two adjacent contact constitutes switch all the way；
The switch base be rectangular parallelepiped structure, middle part have through-hole, both sides it is symmetrical two square grooves, the square groove constitute
The chamber for accommodating power connecting sheet, all has a protrusion in each square groove, setting protrusion, when convenient for power connecting sheet deformation, only with protrusion
Contact has the cooperation of the circular arc and protrusion at angle of inclination by power connecting sheet, had not only reduced rubbing surface but also improved power connecting sheet
Motion credibility effectively prevent power connecting sheet to move destabilization problems, and it is nonmetallic non-conductive that switch base bottom, which has groove, switch base,
Material；
The contact base is rectangular parallelepiped structure, and side has square three-way groove, and the other side is uniform-distribution with three through-holes, contact
The material of seat is nonmetallic electrically non-conductive material；
The shell be a step-like cuboid, middle part have big groove, big groove both sides have square groove, housing bottom with
There is groove, square groove and groove to be used to coordinate with clamp at the position that square groove connects, and there are two rectangular channels for tool inside big groove, touch
Headstock is placed in rectangular channel, so set, both playing the role of motion guide to contact base, again limits the position of contact base,
So that the distance of power connecting sheet and contact is fixed, contact of the power connecting sheet with contact can not caused by preventing contact base dislocation
It leans on, the both sides of big groove also have a straight slot, and contact passes through straight slot, and the both sides of big groove also haves there are two journal stirrup, distinguish on journal stirrup
With mounting hole, place pin, spring, switch base, power connecting sheet, contact and contact base in big groove, shell be it is nonmetallic not
Conductive material；
The beryllium bronze band bending that the clamp is thickness 0.5mm is cut, and middle part has aperture, both sides symmetrical
Two stabilizer blades with crotch, clamp are installed on shell upper end, are fixed with housing bottom groove by the crotch on stabilizer blade, by institute
There is part to be closed as global facility.
Further, the length of the power connecting sheet is more than the distance of two neighboring contact and the distance less than three contacts,
The outer wall distance that the power connecting sheet stretches out switch base is 0.1mm~0.2mm, and contact Interference contact, so set, passing through docking
Restriction is optimized in the overhang of electric piece so that power connecting sheet has the function of to deform and restore well, can reliably realize and connect
Electric piece and contact improve the contact reliability and motion credibility of switch；
Further, the power connecting sheet and contact surface pass through gold-plated processing, and the surface of the power connecting sheet and contact also applies
DJB-823 solid film protective agents are covered with, this is because being groped by technique repeatedly, power connecting sheet and contact surface are carried out
After gold-plated processing, the service life is longer for power connecting sheet and contact, and electric conductivity is more preferable, then presses GJB1385-92《DJB-823 solids are thin
Film protective agent coated technique》, power connecting sheet and contact surface are applied into DJB-823 solid film protective agents, so by power connecting sheet
30% is reduced with the frictional resistance of contact, as a result not only effectively eliminates and switchs stuck phenomenon, significantly improve switch
Functional reliability, and further improve the service life of switch.
Working principle of the present invention is as follows：
Usually, which is placed on animal body to be shipped, and spring is in compressive state, two contacts of contact base upper end with
Power connecting sheet contacts, this two contacts constitute switch all the way, and switch is in short-circuit condition；The contact and power connecting sheet of contact base lower end
It is detached from, the contact of contact and lower end among contact base constitutes the another way of switch, and switch is in off state；When animal to be shipped
When body moves, release constraint to pin and spring, spring pushes pin and switch base to move downward, the contact of the top with connect
Electric piece is detached from, and the circuit that the contact of upper end is constituted with intermediate contact at this time becomes open circuit from short circuit；After switch base movement in place,
The lowermost contact is contacted with power connecting sheet, and the circuit that two contacts of lower end are constituted becomes short circuit from open circuit.
The present invention has both short circuit and breaking two states simultaneously, and can mutually convert, when in use, by upper end and centre
The circuit for the short-circuit condition that contact is constituted is connect with sensitive electric initiating explosive device, and short-circuit protection is carried out to sensitive electric initiating explosive device, will be intermediate
Contact and lower end contact constitute another way as condition indication circuit, after object of which movement to be exercised, to sensitive electrical fire
The circuit that work product carry out short-circuit protection is transformed into off state by short circuit, releases the short-circuit protection to sensitive electric initiating explosive device, simultaneously
The another way condition indication circuit that the contact of intermediate contact and lower end is constituted becomes short-circuit condition from disconnecting, and the present invention is also simultaneously
With simple and compact for structure, start sensitive, reliable operation, it is of low cost the advantages that.
Description of the drawings
Fig. 1 is a kind of state-indicating switch explosive view of the present invention；
Fig. 2 is a kind of state-indicating switch original state schematic diagram of the present invention；
Fig. 3 is a kind of state-indicating switch of present invention status diagram in place.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with attached drawing and specific implementation
Example, invention is further described in detail.It should be appreciated that specific embodiment described herein is only used to explain this hair
It is bright, it is not intended to limit the present invention.In addition, technical characteristic involved in the various embodiments of the present invention described below
It can be combined with each other as long as they do not conflict with each other.
A kind of state-indicating switch better embodiment of the present invention forms as shown in Figure 1, including：Pin 1, spring 2,
Power connecting sheet 3, contact 4, switch base 5, contact base 6, shell 7 and clamp 8；
The pin 1 is stepped cylinder body, and by small column, big cylinder and cylinder are integrally formed, and set is shot on small column
Spring 2, big cylinder match with 5 bottom groove of switch base, and cylinder is associated with animal body to be shipped, and the material of pin 1 is stainless steel
Silk；
The power connecting sheet 3 is that the beryllium bronze band bending of thickness 0.2mm forms, and 3 upper end of power connecting sheet and right side are plane, are connect
3 lower end of electric piece is an arc transition, and the left side of power connecting sheet 3 has a circular arc at angle of inclination, and the angle on 3 left side of power connecting sheet and right side is
30 °, power connecting sheet 3 is placed in the both sides square groove of switch base 5, and further, the length of power connecting sheet 3 is more than two neighboring contact 4
Distance and the distance for being less than three contacts 4, the outer wall distance that power connecting sheet 3 stretches out switch base 5 is 0.15mm, is connect with 4 interference of contact
It touches；
The contact 4 is copper wire, and one end is cylindrical structure, and the other end is hemisphere header structure, and hemispherical head is placed in contact base 6
Square three-way groove in, cylinder pass through contact base 6 through-hole and with contact base 6 be interference fitted fix, cylinder tail portion welding lead
Line, the root that contact 4 is connected with conducting wire are fixed with epoxy potting compound embedding, and each two adjacent contact 4 constitutes switch all the way；
The switch base 5 be rectangular parallelepiped structure, middle part have through-hole, both sides it is symmetrical two square grooves, the square groove structure
At the chamber for accommodating power connecting sheet 3, a protrusion is all had in each square groove, it is mould that 5 bottom of switch base, which has groove, switch base 5,
Plastics FX-501 plastic pressure formings；
The contact base 6 is rectangular parallelepiped structure, and there is square three-way groove, the other side to be uniform-distribution with three through-holes for side, touch
The material of headstock is moulding compound FX-501 plastic pressure formings；
The shell 7 is a step-like cuboid, and there is big groove, big groove both sides to have square groove, 7 bottom of shell at middle part
With the position that square groove connects there is groove, square groove and groove to be used to coordinate with clamp 8, there are two rectangles for tool inside big groove
Slot, contact base 6 are placed in rectangular channel, and also there is straight slot, contact to pass through straight slot for the both sides of big groove, and the both sides of big groove also have
There are two journal stirrup, it is respectively provided with mounting hole on journal stirrup, pin 1, spring 2, switch base 5, power connecting sheet 3, contact 4 are placed in big groove
And contact base 6, shell 7 are moulding compound FX-501 plastic pressure formings；
The beryllium bronze band bending that the clamp 8 is thickness 0.5mm is cut, and middle part has aperture, both sides symmetrical
Two stabilizer blades with crotch, clamp 8 is installed on 7 upper end of shell, consolidates with 7 bottom groove of shell by the crotch on stabilizer blade
It is fixed, all parts are closed as global facility.
Further, the power connecting sheet 3 and 4 surface of contact are after gold-plated processing, then press GJB1385-92《DJB-823
Solid film protective agent coated technique》, power connecting sheet 3 and 4 surface of contact are applied into DJB-823 solid film protective agents.
Working principle of the present invention is as follows：Usually, which is placed on animal body to be shipped, and spring 2 is in compressive state, touches
Two contacts 4 of 6 upper end of headstock are contacted with power connecting sheet 3, this two contacts 4 constitute switch all the way, and switch is in short-circuit shape
State；The contact 4 of 6 lower end of contact base is detached from power connecting sheet 3, and the contact 4 among contact base 6 and the contact 4 of lower end constitute switch
Another way, switch are in off state, and the state switched at this time is as shown in Figure 2.
When object of which movement to be exercised, release constraint to pin 1 and spring 2, spring 2 push pin 1 and switch base 5 to
Lower movement, the contact 4 and power connecting sheet 3 of the top are detached from, and the circuit that the contact 4 of upper end is constituted with intermediate contact 4 at this time is by short
Road becomes open circuit；After the movement in place of switch base 5, the lowermost contact 4 is contacted with power connecting sheet 3, two contacts 4 composition of lower end
Circuit becomes short circuit from open circuit.The state of transformed switch is as shown in Figure 3 at this time.
The above is only a preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (3)
1. a kind of state-indicating switch, which is characterized in that including：Pin (1), spring (2), power connecting sheet (3), contact (4), switch
Seat (5), contact base (6), shell (7) and clamp (8)；
The pin (1) is stepped cylinder body, and by small column, big cylinder and cylinder are integrally formed, pocketed springs on small column
(2), big cylinder matches with switch base (5) bottom groove, and cylinder is associated with animal body to be shipped；
The power connecting sheet (3) is that the beryllium bronze band bending of thickness 0.2mm forms, and power connecting sheet (3) upper end and right side are plane, are connect
Electric piece (3) lower end is an arc transition, has the circular arc at angle of inclination, power connecting sheet (3) left side and right side on the left of power connecting sheet (3)
Angle is 20 °~40 °, and power connecting sheet (3) is placed in the both sides square groove of switch base (5)；
The contact (4) is metal material, and one end is cylindrical structure, and the other end is hemisphere header structure, and hemispherical head is placed in contact
In the square three-way groove of seat (6), cylinder passes through the through-hole of contact base (6) and is interference fitted with contact base (6) and fixed, cylinder tail
Portion's welding lead, the root that contact (4) is connected with conducting wire are fixed with epoxy potting compound embedding, and each two adjacent contact (4) is constituted
Switch is all the way；
The switch base (5) be rectangular parallelepiped structure, middle part have through-hole, both sides it is symmetrical two square grooves, the square groove constitute
The chamber of power connecting sheet (3) is accommodated, a protrusion is all had in each square groove, switch base (5) bottom has groove, switch base (5)
For nonmetallic electrically non-conductive material；
The contact base (6) is rectangular parallelepiped structure, and side has square three-way groove, and the other side is uniform-distribution with three through-holes, contact
The material of seat is nonmetallic electrically non-conductive material；
The shell (7) is a step-like cuboid, and there is big groove, big groove both sides to have square groove, shell (7) bottom at middle part
With the position that square groove connects there is groove, square groove and groove to be used to coordinate with clamp (8), there are two rectangles for tool inside big groove
Slot, contact base (6) are placed in rectangular channel, and also there is straight slot, contact to pass through straight slot for the both sides of big groove, and the both sides of big groove are also
Tool is respectively provided with mounting hole there are two journal stirrup on journal stirrup, pin (1) is placed in big groove, spring (2), switch base (5), connects electricity
Piece (3), contact (4) and contact base (6), shell (7) are nonmetallic electrically non-conductive material；
The beryllium bronze band bending that the clamp (8) is thickness 0.5mm is cut, and middle part has aperture, both sides symmetrical
Two stabilizer blades with crotch, clamp (8) are installed on shell (7) upper end, pass through the crotch and shell (7) bottom groove on stabilizer blade
It is fixed, all parts are closed as global facility.
2. a kind of state-indicating switch as described in claim 1, it is characterised in that：
The length of the power connecting sheet (3) is more than the distance of two neighboring contact (4) and the distance less than three contacts (4), described
The outer wall distance that power connecting sheet (3) stretches out switch base (5) is 0.1mm~0.2mm, with contact (4) Interference contact.
3. a kind of state-indicating switch as described in claim 1, it is characterised in that：The power connecting sheet (3) and contact (4) surface
By gold-plated processing, the surface of the power connecting sheet (3) and contact (4) is also coated with DJB-823 solid film protective agents.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810388199.8A CN108389740A (en) | 2018-04-26 | 2018-04-26 | A kind of state-indicating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810388199.8A CN108389740A (en) | 2018-04-26 | 2018-04-26 | A kind of state-indicating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108389740A true CN108389740A (en) | 2018-08-10 |
Family
ID=63065889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810388199.8A Withdrawn CN108389740A (en) | 2018-04-26 | 2018-04-26 | A kind of state-indicating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108389740A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115424880A (en) * | 2022-10-18 | 2022-12-02 | 北京灵翼航宇科技有限公司 | Travel switch |
-
2018
- 2018-04-26 CN CN201810388199.8A patent/CN108389740A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115424880A (en) * | 2022-10-18 | 2022-12-02 | 北京灵翼航宇科技有限公司 | Travel switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180810 |
|
| WW01 | Invention patent application withdrawn after publication |