CN208352151U - A kind of state-indicating switch - Google Patents
A kind of state-indicating switch Download PDFInfo
- Publication number
- CN208352151U CN208352151U CN201820614461.1U CN201820614461U CN208352151U CN 208352151 U CN208352151 U CN 208352151U CN 201820614461 U CN201820614461 U CN 201820614461U CN 208352151 U CN208352151 U CN 208352151U
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- China
- Prior art keywords
- contact
- connecting sheet
- switch
- groove
- power connecting
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- Switch Cases, Indication, And Locking (AREA)
Abstract
The utility model 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 and power connecting sheet of contact base lower end are detached from, 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 advantages that the utility model has both short circuit and breaking two states simultaneously, and can mutually convert, while having simple and compact for structure, sensitive, the reliable operation of starting, low in cost.
Description
Technical field
The utility model relates to switching technique fields, and in particular to a kind of state-indicating switch.
Background technique
In order to accurately judge operating position locating for workpieces certain 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 the effect by external force, state pin compressed spring, the inside of indentation state switch makes the annulus wheel being fixed on state pin
The contact of tire shape moving contacting plate and fixed contact system on the shell disconnects.When detected workpiece is not in specified position
When, not by the effect of detected component power, state pin is in not by the free state of external force state pin, anti-due to interior outer spring
Power effect connects the annular tire shape moving contacting plate being fixed on state pin and the contact of fixed contact system on the shell
It is logical, export electric signal.The state-indicating switch of the utility model can accurate judgement position and output electric signal, have stability
Height, movement is flexible, reliable operation, the good feature of sealing effect.But the quiet contact assembly of the utility model is in same put down
It on face, converts 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
With the function of breaking two states, application range is restricted.
Utility model content
For the demand of the prior art, the purpose of this utility model is to provide a kind of state-indicating switchs, utilize three
Contact constitutes the set of circuits of switch two-by-two, contact and disconnection by contact with power connecting sheet, and realization switches on-off conversion.This
Utility model has both short circuit and breaking two states simultaneously, and can mutually convert, while having simple and compact for structure, starting spirit
It is quick, reliable operation, it is low in cost the advantages that.
To achieve the above object, the utility model adopts the following technical solution, and a kind of state-indicating switch, feature exists
In, comprising: 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 power connecting sheet is that elasticity is preferably formed with restorative with a thickness of the beryllium bronze band bending of 0.2mm, on power connecting sheet
End and right side are plane, and power connecting sheet lower end is an arc transition, have the circular arc of tilt angle on the left of power connecting sheet, power connecting sheet is left
The angle on side and right side is 20 °~40 °, and power connecting sheet is placed in the two 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, cylindrical body passes through the through-hole of contact base and is interference fitted with contact base and fixes, and the welding of cylindrical body tail portion is led
Line, the root that contact is connected with conducting wire are fixed with epoxy potting compound encapsulating, and every two adjacent contact constitutes switch all the way；
The switch base be rectangular parallelepiped structure, middle part have through-hole, two 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 circular arc of tilt angle and the cooperation of protrusion 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 switch base bottom has groove, and switch base is nonmetallic non-conductive
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 two sides have square groove, housing bottom with
The position that square groove connects has groove, and square groove and groove are used to cooperate with clamp, and there are two rectangular channel, touchings for tool inside big groove
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 from misplacing
It leans on, the two sides of big groove also have a through slot, and contact passes through through slot, and the two sides of big groove also haves there are two trunnion, distinguish on trunnion
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, and two sides are symmetrical
Two stabilizer blades with crotch, clamp are installed on shell upper end, are fixed by the crotch on stabilizer blade with housing bottom groove, by institute
There is part to be closed as global facility.
Further, the length of the power connecting sheet is greater than the distance of two neighboring contact and less than the distance of 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
It is covered with DJB-823 solid film protective agent, 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 " DJB-823 solid is thin by GJB1385-92
Film protective agent coated technique ", power connecting sheet and contact surface are applied into DJB-823 solid film protective agent, 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.
The working principle of the utility model 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 contact, 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 and intermediate contact are constituted 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 utility model has both short circuit and breaking two states simultaneously, and can mutually convert, when in use, by upper end in
Between the circuit of short-circuit condition that constitutes of contact connect with sensitive electric initiating explosive device, to sensitive electric initiating explosive device progress short-circuit protection, general
The another way that the contact of intermediate contact and lower end is constituted is as condition indication circuit, after object of which movement to be exercised, to sensitivity
The circuit that electric initiating explosive device carries out short-circuit protection is transformed into off state by short circuit, releases the short-circuit protection to sensitive electric initiating explosive device,
The another way condition indication circuit that intermediate contact and the contact of lower end are constituted simultaneously becomes short-circuit condition from disconnecting, this is practical new
Type also has the advantages that simple and compact for structure, sensitive, reliable operation of starting, low in cost simultaneously.
Detailed description of the invention
Fig. 1 is a kind of state-indicating switch explosive view of the utility model；
Fig. 2 is a kind of state-indicating switch original state schematic diagram of the utility model；
Fig. 3 is a kind of state-indicating switch of the utility model status diagram in place.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and specifically
Embodiment is described in further detail the utility model.It should be appreciated that specific embodiment described herein is only used to solve
The utility model is released, is not used to limit the utility model.In addition, in the various embodiments of the present invention described below
Involved technical characteristic 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 utility model, composition are as shown in Figure 1, comprising: pin 1, bullet
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
Electric 3 lower end of piece is an arc transition, and the circular arc with tilt angle on the left of power connecting sheet 3,3 left side of power connecting sheet and the angle on right side are
30 °, power connecting sheet 3 is placed in the two sides square groove of switch base 5, and further, the length of power connecting sheet 3 is greater than two neighboring contact 4
Apart from and less than the distance of 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
Touching；
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, cylindrical body pass through contact base 6 through-hole and with contact base 6 be interference fitted fix, cylindrical body tail portion welding lead
Line, the root that contact 4 is connected with conducting wire are fixed with epoxy potting compound encapsulating, and every two adjacent contact 4 constitutes switch all the way；
The switch base 5 be rectangular parallelepiped structure, middle part have through-hole, two 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, 5 bottom of switch base has groove, and switch base 5 is mould
Plastics FX-501 plastic pressure forming；
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, is touched
The material of headstock is moulding compound FX-501 plastic pressure forming；
The shell 7 is a step-like cuboid, and middle part has big groove, and big groove two sides have square groove, 7 bottom of shell
There is groove with the position that square groove connects, square groove and groove are used to cooperate with clamp 8, and there are two rectangles for tool inside big groove
Slot, contact base 6 are placed in rectangular channel, and the two sides of big groove also have through slot, and contact passes through through slot, and the two sides of big groove also have
There are two trunnion, it is respectively provided with mounting hole on trunnion, places pin 1, spring 2, switch base 5, power connecting sheet 3, contact 4 in big groove
And contact base 6, shell 7 are moulding compound FX-501 plastic pressure forming；
The beryllium bronze band bending that the clamp 8 is thickness 0.5mm is cut, and middle part has aperture, and two sides are symmetrical
Two stabilizer blades with crotch, clamp 8 be installed on 7 upper end of shell, it is solid by crotch on stabilizer blade and 7 bottom groove of shell
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 agent.
The working principle of the utility model is as follows: usually, which is placed on animal body to be shipped, and spring 2 is in compression shape
Two contacts 4 of state, 6 upper end of contact base are contacted with power connecting sheet 3, this two contacts 4 constitute switch all the way, and switch is in short
Line state；The contact 4 and power connecting sheet 3 of 6 lower end of contact base are detached from, and the contact 4 among contact base 6 and the composition of contact 4 of lower end are opened
The another way of pass, 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, what two contacts 4 of lower end were constituted
Circuit becomes short circuit from open circuit.The state of switch after converting at this time is as shown in Figure 3.
The above is only the preferred embodiment of the utility model, it should be pointed out that: for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the protection scope of the utility model.
Claims (3)
1. a kind of state-indicating switch characterized by comprising 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 of tilt angle, 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 two 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), cylindrical body passes through the through-hole of contact base (6) and is interference fitted with contact base (6) and fixes, cylindrical body tail
Portion's welding lead, the root that contact (4) is connected with conducting wire are fixed with epoxy potting compound encapsulating, and every two adjacent contact (4) is constituted
Switch is all the way；
The switch base (5) be rectangular parallelepiped structure, middle part have through-hole, two 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 middle part has big groove, and big groove two sides have square groove, shell (7) bottom
There is groove with the position that square groove connects, square groove and groove are used to cooperate with clamp (8), and there are two rectangles for tool inside big groove
Slot, contact base (6) are placed in rectangular channel, and the two sides of big groove also have through slot, and contact passes through through slot, and the two sides of big groove are also
Tool is respectively provided with mounting hole there are two trunnion on trunnion, 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, and two sides are 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 greater than the distance of two neighboring contact (4) and the distance of 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 agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820614461.1U CN208352151U (en) | 2018-04-26 | 2018-04-26 | A kind of state-indicating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820614461.1U CN208352151U (en) | 2018-04-26 | 2018-04-26 | A kind of state-indicating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208352151U true CN208352151U (en) | 2019-01-08 |
Family
ID=64887642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820614461.1U Expired - Fee Related CN208352151U (en) | 2018-04-26 | 2018-04-26 | A kind of state-indicating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208352151U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112447423A (en) * | 2020-11-05 | 2021-03-05 | 湖北三江航天红林探控有限公司 | Change-over switch with state indication function and initial and in-place state detection method |
-
2018
- 2018-04-26 CN CN201820614461.1U patent/CN208352151U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112447423A (en) * | 2020-11-05 | 2021-03-05 | 湖北三江航天红林探控有限公司 | Change-over switch with state indication function and initial and in-place state detection method |
| CN112447423B (en) * | 2020-11-05 | 2024-05-03 | 湖北三江航天红林探控有限公司 | Change-over switch with state indication function and initial and in-place state detection method |
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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: 20190108 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |