CN207183161U - A kind of mechanical self-latching type acceleration switch - Google Patents
A kind of mechanical self-latching type acceleration switch Download PDFInfo
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- CN207183161U CN207183161U CN201720874552.4U CN201720874552U CN207183161U CN 207183161 U CN207183161 U CN 207183161U CN 201720874552 U CN201720874552 U CN 201720874552U CN 207183161 U CN207183161 U CN 207183161U
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Abstract
It the utility model is related to a kind of mechanical self-latching type acceleration switch, including housing, static contact head device, trigger device, spring A and self-locking block, one end of static contact head device and housing connects, the other end of housing is provided with trigger device, trigger device is slidably connected with housing, spring A one end is connected with static contact head device, the spring A other end is connected with trigger device, trigger device is provided with accommodating chamber, self-locking block is contained in accommodating chamber and contacted with housing, and housing is provided with groove；Use the technical solution of the utility model, using fire extinguisher bomb launch caused by power drive trigger device towards static contact head device direction move, moving contact is set to be connected conducting with static contact while spring A is compressed, when spring A discharges, the part of self-locking block is set to enter out of accommodating chamber in the groove on housing, make to remain reliable conducting between moving contact and static contact, and extend the circuit turn-on time.
Description
Technical field
It the utility model is related to electrical cnnector technical field, more particularly to a kind of mechanical self-latching type acceleration switch.
Background technology
With the development of power industry, various electric equipment products are widely used in industrial and civilian every field, electrically connect
Fitting is the essential electrical parts currently used for connecting electric loop, mainly including attaching plug, power supply terminal etc., is added
Speed switch is a kind of discharge cock being widely used on fire extinguisher bomb fuse, and its major function is to prevent fuse in duties state
It is lower to produce malfunction, it is that fuze power supply and its peripheral circuit are powered, fire extinguisher bomb fuse acceleration switch is in peacetime state
Normally open, then close fuse acceleration switch in fire extinguisher bomb transmitting or percussion object procedure, make circuit turn-on, make its work
Make, so can both improve the security performance of fuse peripheral circuit work, and can ensures that circuit is continued reliably to connect.It is existing
In technology, Publication No.：The patent document of " CN201549441U ", disclose a kind of mechanical acceleration without power supply and open
Close, including shell, base, support, damper, stationary contact and inertia mass head, wherein inertia mass head by
Mass unit is formed with spring unit, and mass unit is made up of locating ring, block of improving quality, lower mass and movable contact, spring list
Member is made up of spring leaf and Cont rol Method of Precise Force stage clip, and acceleration switch replaces traditional double-reed using Single spring piece, solves production dress
Match somebody with somebody, debugging routine complexity the problem of, ensure that acceleration switch can keep good working order under random vibration, in addition
Locating ring is devised, when acceleration switch is by mechanical environments such as the acceleration of transverse direction, vibration, impacts, locating ring is to inertia
Quality activity system has carried out effective spacing, acceleration switch is had the characteristics of resistance to mechanics ability is stronger, and stability is good, this
Outer acceleration switch is designed using Purely mechanical, saves electricity consumption；But the utility model is when in use, due to being that make use of
Inertial mass produces acceleration and simultaneously produces the inertia force proportional to acceleration, spring is deformed, when movable contact with
When inertial mass is moved to stationary contact, acceleration switch output Continuity signal, but this structural disadvantages be movable contact with it is quiet
Contact can separate at once after combining, and cause movable contact and stationary contact to be continuously connected with turning on, and electrical connection reliability is relatively low, if
The acceleration duration provided using inertial mass is shorter, then makes the connection ON time mistake between movable contact and stationary contact
It is short, make whole acceleration switch can not normal operation.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of mechanical self-latching type acceleration switch.
The utility model provides a kind of mechanical self-latching type acceleration switch, including housing, static contact head device, moving contact dress
Put, spring A and self-locking block, the static contact head device are connected with one end of the housing, the other end of the housing is provided with dynamic
Contact apparatus, the trigger device are slidably connected with the housing, and one end of the spring A is connected with static contact head device, bullet
The spring A other end is connected with the trigger device, and the trigger device is provided with accommodating chamber, and the self-locking block is contained in
Contacted in the accommodating chamber and with the housing, the housing is provided with groove.
The trigger device includes moving contact, sliding block, spring B, screw, and sliding block lateral surface slides with the inner walls
Connect, cavity is provided with towards the static contact head device side on sliding block, cavity bottom is provided with through hole A, and moving contact slides with cavity
Coordinate, screw is connected through through hole A with moving contact, and spring B is set on screw, and the accommodating chamber is disposed on being outside sliding block
Through hole B on side, moving contact is provided with pushes away locking face with what the self-locking block contacted.
The moving contact electroplate processing.
The locking face that pushes away is arc surface.
The static contact head device includes base and contact pin, and base is connected using fastener with the housing, one end of contact pin
It is connected with base, the other end of contact pin stretches out to the trigger device.
The contact pin is made up of elastomeric material.
The material of the base is nonmetallic.
The base is provided with boss, and it is on boss that the spring A, which is set in,.
The cross section of the groove is semicircle.
The self-locking block is steel ball.
The beneficial effects of the utility model are：
Using mechanical self-latching type acceleration switch provided by the utility model, including housing, static contact head device, moving contact
Device, spring A and self-locking block, the static contact head device are connected with one end of the housing, and the other end of the housing is provided with
Trigger device, the trigger device are slidably connected with the housing, and one end of the spring A is connected with static contact head device,
The spring A other end is connected with the trigger device, and the trigger device is provided with accommodating chamber, and the self-locking block accommodates
Contacted in the accommodating chamber and with the housing, the housing is provided with groove；Using the technical solution of the utility model,
Using fire extinguisher bomb launch caused by power drive trigger device towards static contact head device direction move, make spring A compress,
Kinetic energy caused by fire extinguisher bomb transmitting is converted into spring A elastic potential energy, and moving contact is connected conducting with static contact, works as spring
During A elastic potential energy release, the part of self-locking block is entered out of accommodating chamber in the groove on housing, prevent spring A's
Further release, makes to keep continuously reliable conducting state between moving contact and static contact, protects fire extinguisher bomb fuse power supply circuit
Conducting is held, reduces existing fuse acceleration switch and the problems such as electrical contact is bad, ON time is short occurs.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of the utility model sliding block；
Fig. 3 is the structural representation of the utility model moving contact.
In figure：1- housings, 2- static contact head devices, 3- trigger devices, 4- springs A, 5- self-locking block, 6- moving contacts, 7- are slided
Block, 8- spring Bs, 9- screws, 10- bases, 11- grooves, 12- contact pins, 61- push away locking face, 71- accommodating chambers, 72- cavitys, and 73- leads to
Hole A, 121- boss.
Embodiment
The technical solution of the utility model is described further below in conjunction with accompanying drawing, but required protection domain is not
It is confined to described；
The utility model provides a kind of electric switch with auto-lock function, as shown in figure 1, including housing 1, static contact
Device 2, trigger device 3, spring A4 and self-locking block 5, static contact head device 2 are connected with one end of housing 1, housing 1 it is another
End is provided with trigger device 3, and trigger device 3 is slidably connected with housing 1, and spring A4 one end is connected with static contact head device 2, bullet
The spring A4 other end is connected with trigger device 3, and trigger device 3 is provided with accommodating chamber 71, and self-locking block 5 is contained in accommodating chamber
Contacted in room 71 and with housing 1, housing 1 is provided with groove 11.Using the technical solution of the utility model, launched using fire extinguisher bomb
Power drive trigger device caused by moment moves towards the direction of static contact head device, compresses spring A, fire extinguisher bomb transmitting wink
Between caused kinetic energy be converted into spring A elastic potential energy, and moving contact is connected conducting with static contact, when spring A elastic potential
When can discharge, the part of self-locking block is entered out of accommodating chamber in the groove on housing, prevent further releasing for spring A
Put, make to keep continuously reliable conducting state between moving contact and static contact, be held on fire extinguisher bomb fuse power supply circuit, subtract
Existing fuse acceleration switch is lacked and the problems such as electrical contact is bad, ON time is short has occurred, further, it is preferable to which housing uses
Aluminum and aluminum alloy mateial manufactures, and caused frictional heat energy outwards transmits quickly through housing when moving contact is moved in housing
Into air, surface of shell seating face anodized, the housing inner and outer surfaces after anodized form one layer
Oxide film, the insulativity of housing is improved, avoids short circuit.
Trigger device 3 includes moving contact 6, sliding block 7, spring B 8, screw 9, and the lateral surface of sliding block 7 slides with the inwall of housing 1
Connection, as shown in Fig. 2 being provided with cavity 72 towards the side of static contact head device 2 on sliding block 7, the bottom of cavity 72 is provided with through hole A73, moves
Contact 6 is slidably matched with cavity 72, and screw 9 is connected through through hole A73 with moving contact 6, and spring B 8 is set on screw 9, is accommodated
Chamber 71 is disposed on the through hole B on the lateral surface of sliding block 7, is pushed away as shown in figure 3, moving contact 6 is provided with what self-locking block 5 contacted
Locking face 61.Using the technical solution of the utility model, using power drive sliding block caused by the fire extinguisher bomb T-time towards stationary contact
The direction motion of head device, compresses spring A, and kinetic energy caused by fire extinguisher bomb transmitting is converted into spring A elastic potential energy, and makes
Moving contact is connected conducting with static contact, when spring A elastic potential energy release, pushes away locking face and moves upwards, promote the portion of self-locking block
It is to be moved into through hole B in the groove on housing to divide from accommodating chamber, prevents spring A further release, at this moment spring A
Elastic potential energy gradually discharge, a part is converted into frictional heat between sliding block and housing, and another part is converted into the bullet of spring B
Property potential energy, it is seen then that due to the addition of spring A and spring B, make the running status of acceleration switch more steady, avoid excessive
Impulsive force damage whole acceleration switch, make to keep continuously reliable conducting state between moving contact and static contact, make fire extinguishing
Play fuse power supply circuit to be held on, reduce existing fuse acceleration switch and electrical contact is bad, ON time is short etc. occur
Problem.
Further, the electroplate of moving contact 6 is handled.It is further preferably dynamic using the technical solution of the utility model
Contact 6 is manufactured using steel, carries out silver-plated process, and silver element has relatively low resistance, and conductance is excellent, whole so as to reduce
The conductive resistance of moving contact, make to keep reliably connecting between acceleration switch moving contact and static contact of the present utility model.
Further, it is arc surface to push away locking face 61.Using the technical solution of the utility model, from figure 1 it appears that pushing away
The length that locking face 61 contacts distance with self-locking block determines acceleration magnitude and moving contact that self-locking block 5 moves radially along housing
The duration vertically moved upwards, when it is arc surface to push away locking face 61, the radius of curvature of arc surface determines self-locking
The acceleration magnitude that block 5 moves radially along housing, to keep of the present utility model compact-sized, preferably circular arc curvature radius is
/ 3rd of moving contact diameter, further, the axial cross section for pushing away locking face 61 can also be designed as parabolic curve or power exponent
The form of curve, to improve the acceleration that self-locking block 5 moves radially along housing, shorten the utility model electric switch self-locked
Time.
Static contact head device 2 includes base 10 and contact pin 12, and base 10 is connected using fastener with housing 1, and the one of contact pin 12
End is connected with base 10, and the other end of contact pin 12 stretches out to trigger device 3.Using technical scheme provided by the utility model,
One end of further preferred contact pin is connected using bonding way with base, and base is connected using sunk screw with housing, makes base
Bottom surface forms plane, when kinetic energy caused by the fire extinguisher bomb T-time is excessive, because base is positioned over flat surface, is advantageous to
A part of kinetic energy is outwards passed, reduces the shock and vibration to electric switch itself, is improved of the present utility model
Use reliability, while be easy to that the parts such as contact pin, base are repaired and changed, easy for installation, contact pin 12 connects with circuit
Connect, the quantity of contact pin 12 is generally 2 to 4.
Contact pin 12 is made up of elastomeric material.Using technical scheme provided by the utility model, preferably contact pin 12 is by bullet
Property material be made, further have choosing use material of the bell metal as contact pin 12, make contact pin 12 that there is preferable electric conductivity
And it is preferably elastic, when moving contact and static contact closure moment, because contact pin 12 is flexible, acted in the pressure of moving contact
Under, contact pin upper surface produces elastic deformation, increases the contact area between the upper surface of contact pin 12 and moving contact, on the other hand,
Certain pressure is born in the upper end of contact pin 12, the upper surface of contact pin 12 is tightly in contact and is connected with moving contact, ensure that dynamic touch
Being reliably connected between head and static contact.
The material of base 10 is nonmetallic.Using technical scheme provided by the utility model, the material of preferably base 10 is
Nonmetallic, the material of base may be selected to be bakelite or nylon, makes base keep insulating with contact pin, avoids short circuit, on the other hand, glue
Wood or nylon have preferably buffering and sound absorbing power, and when the kinetic energy of fire extinguisher bomb T-time generation at that time is excessive, base can absorb
A part of kinetic energy and noise, reduce the impact shock of the utility model electric switch.
Base 10 is provided with boss 121, and it is on boss 121 that spring A4, which is set in,.Use technology provided by the utility model
Scheme, preferably base 10 are provided with boss 121, and it is on boss 121 that spring A4, which is set in, is easy to be oriented to spring A, makes spring A
It will not deviate from because unbalance loading is born, the diameter of boss 121 should match with spring A4 internal diameter, and the height of boss 121 should be low
Height between contact pin 12 and the upper surface of base 10, improves reliability of the present utility model, further, is also set on boss
It is fluted, and fixed contact pin embedding using potting glue, on the one hand potting glue fixes contact pin 12, on the other hand, potting glue
With insulating properties, the danger of generation electric arc between successive pins is avoided, in addition, potting glue is also absorbed because moving contact exists
It is noise generated when being moved in housing.
The cross section of groove 11 is semicircle.Using technical scheme provided by the utility model, preferably groove 11 is transversal
Face is semicircle, when fabricating groove 11, in general boring cutter can be used to carry out machining, reduces being manufactured into for housing
This, on the other hand, when moving contact connects completely with static contact, then the half of self-locking block is in groove, groove 11 it is transversal
Face is semicircle, self-locking block moving contact is connected with static contact reliably from being moved axially along housing, is prevented in spring A
Elastic potential energy further release, improve reliability of the present utility model.
Self-locking block 5 is steel ball.Using technical scheme provided by the utility model, further preferred self-locking block 5 is magnetic steel
Ball, self-locking block is adsorbed on moving contact, also allow for installing, prevent from sliding in installation process, further, it is preferable to from
The accommodating chamber of closing piece is arranged to 3, is arranged respectively along the periphery of sliding block according to circumference array, is moving trigger device
Shi Gengjia is steady, and avoids the phenomenon for unbalance loading occur and produce, and spring A is kept stable straight line compression and straight line release, carries
High stability and reliability of the present utility model.
Claims (10)
- A kind of 1. mechanical self-latching type acceleration switch, it is characterised in that：Including housing (1), static contact head device (2), moving contact dress (3), spring A (4) and self-locking block (5) are put, the static contact head device (2) is connected with one end of the housing (1), the housing (1) the other end is provided with trigger device (3), and the trigger device (3) is slidably connected with the housing (1), the spring A (4) one end is connected with static contact head device (2), and spring A (4) other end is connected with the trigger device (3), described dynamic tactile Head device (3) is provided with accommodating chamber (71), the self-locking block (5) be contained in the accommodating chamber (71) it is interior and with the housing (1) contact, the housing (1) is provided with groove (11).
- A kind of 2. mechanical self-latching type acceleration switch as claimed in claim 1, it is characterised in that：The trigger device (3) Including moving contact (6), sliding block (7), spring B (8), screw (9), sliding block (7) lateral surface slides with the housing (1) inwall to be connected Connecing, cavity (72) is provided with towards the static contact head device (2) side on sliding block (7), cavity (72) bottom is provided with through hole A (73), Moving contact (6) is slidably matched with cavity (72), and screw (9) is connected through through hole A (73) with moving contact (6), spring B (8) suit In on screw (9), the accommodating chamber (71) is disposed on the through hole B on sliding block (7) lateral surface, and moving contact (6) is provided with What is contacted with the self-locking block (5) pushes away locking face (61).
- A kind of 3. mechanical self-latching type acceleration switch as claimed in claim 2, it is characterised in that：Moving contact (6) surface Silver-plated process.
- A kind of 4. mechanical self-latching type acceleration switch as claimed in claim 2, it is characterised in that：The locking face (61) that pushes away is round Cambered surface.
- A kind of 5. mechanical self-latching type acceleration switch as claimed in claim 1, it is characterised in that：The static contact head device (2) Including base (10) and contact pin (12), base (10) is connected using fastener with the housing (1), one end and bottom of contact pin (12) Seat (10) connection, the other end of contact pin (12) stretch out to the trigger device (3).
- A kind of 6. mechanical self-latching type acceleration switch as claimed in claim 5, it is characterised in that：The contact pin (12) is by bullet Property material is made.
- A kind of 7. mechanical self-latching type acceleration switch as claimed in claim 5, it is characterised in that：The material of the base (10) It is nonmetallic.
- A kind of 8. mechanical self-latching type acceleration switch as claimed in claim 5, it is characterised in that：The base (10) is provided with Boss (121), spring A (4) are set on boss (121).
- A kind of 9. mechanical self-latching type acceleration switch as claimed in claim 1, it is characterised in that：The groove (11) it is transversal Face is semicircle.
- A kind of 10. mechanical self-latching type acceleration switch as claimed in claim 1, it is characterised in that：The self-locking block (5) is steel Ball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720874552.4U CN207183161U (en) | 2017-07-19 | 2017-07-19 | A kind of mechanical self-latching type acceleration switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720874552.4U CN207183161U (en) | 2017-07-19 | 2017-07-19 | A kind of mechanical self-latching type acceleration switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207183161U true CN207183161U (en) | 2018-04-03 |
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ID=61737068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720874552.4U Active CN207183161U (en) | 2017-07-19 | 2017-07-19 | A kind of mechanical self-latching type acceleration switch |
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| Country | Link |
|---|---|
| CN (1) | CN207183161U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110993432A (en) * | 2019-11-26 | 2020-04-10 | 湖北三江航天红林探控有限公司 | In-place self-locking inertia switch |
| CN110993434A (en) * | 2019-11-28 | 2020-04-10 | 湖北三江航天红林探控有限公司 | Inertial cylinder constraint switch |
-
2017
- 2017-07-19 CN CN201720874552.4U patent/CN207183161U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110993432A (en) * | 2019-11-26 | 2020-04-10 | 湖北三江航天红林探控有限公司 | In-place self-locking inertia switch |
| CN110993432B (en) * | 2019-11-26 | 2021-10-01 | 湖北三江航天红林探控有限公司 | In-place self-locking inertia switch |
| CN110993434A (en) * | 2019-11-28 | 2020-04-10 | 湖北三江航天红林探控有限公司 | Inertial cylinder constraint switch |
| CN110993434B (en) * | 2019-11-28 | 2021-11-09 | 湖北三江航天红林探控有限公司 | Inertial cylinder constraint switch |
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