CN208238645U - A kind of fuse mechanism for fire-fighting bomb for forest fuse - Google Patents
A kind of fuse mechanism for fire-fighting bomb for forest fuse Download PDFInfo
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- CN208238645U CN208238645U CN201820536175.8U CN201820536175U CN208238645U CN 208238645 U CN208238645 U CN 208238645U CN 201820536175 U CN201820536175 U CN 201820536175U CN 208238645 U CN208238645 U CN 208238645U
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Abstract
A kind of fuse mechanism for fire-fighting bomb for forest fuse, the utility model protects spring in such a way that lever combines by the way that solution is arranged in fuse, the limitation of rotation angle is carried out to the cam mechanism for being equipped with electric cap, to make fuse electric cap in unarming not be in contact with trigger mechanism, it ensure that the safety of fuse, and after body transmitting, with the end of fire extinguisher bomb engine operation, the overload that lever is subject to gradually reduces until disappearing, solution protects spring and pushes up lever, contact the limitation to cam rotation angle, cam drives electric cap to become a full member under the action of torsional spring, the solution for completing fuse is protected, entire actuation process is reliably effective, furthermore, this primer arrangement component is simple, it is easily achieved, it can be applied in a variety of contact fuzes using electric cap.
Description
Technical field
The utility model belongs to technical field of fire control, and in particular to a kind of fuse mechanism for fire-fighting bomb for forest fuse.
Background technique
Fuse is that one kind can make in the intended manner the device of ammunition detonation in scheduled time, place.Forest fire
It is a kind of sudden strong, destructive natural calamity big, disposition relief is more difficult, especially current climate change causes gloomy
Forest fires calamity is multiple, brings enormous pressure for forest fire protection, how efficient to forest fire progress, safety fighting has become worldwide
Problem.Fire-fighting bomb for forest can project extinguishing device as one kind at a distance, and fire-fighting efficiency can be greatly improved, and reduce casualties,
But fire-fighting bomb for forest used mature fuse currently on the market at present, fuse mechanism is not that the environment of needle forest extinguishing carries out
Design, it is poor to the applicability of forest fire, and security performance is lower, it is therefore desirable to and one kind is provided and is directed to fire-fighting bomb for forest
The fuse mechanism of fuse.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of fuse mechanism for fire-fighting bomb for forest fuse.
The utility model is achieved by the following technical programs.
A kind of fuse mechanism for fire-fighting bomb for forest fuse provided by the utility model, including fixing body, lever, Xie Bao
Spring, electric cap, torsional spring, capacitor, touches contact pin at cam；
Wherein, the inner hollow of fixing body, capacitor are installed in the middle part of the cavity of fixing body, touch contact pin and be installed on fixing body
Upper end, its underpart enters in the inner cavity of fixing body, can be pierced into capacitor when touching contact pin and being touched；
The side of fixing body is provided with cylinder hole slot, and cylindrical hole trench bottom is provided with through-hole, and lever is set in cylinder hole slot, shelves
Bar can pump in cylinder hole slot, and the lower end of lever from stretching in through-hole and enters in fixing body；
The middle part of lever is equipped with boss, and solution guarantor's spring is set to boss and cylindrical hole trench bottom is formed by cavity；It is convex
Wheel is coaxially installed in the inner cavity of fixing body with torsional spring, and is in the lower end of capacitor, and the upper end of torsional spring and cam connects, and to
Cam applies steering force；
Electric cap is fixedly installed on cam, and head is close to capacitor, its head can be with capacitor after cam rotates
Contact；
Lower cam end is equipped with protruding portion, and when fuse unarming, the lower end of lever intersect with the protruding portion of cam, limits
Rotation of the cam in installation intracoelomic cavity, when fuse arming, the lower end of lever is not intersected with the protruding portion of cam, and cam exists
It is rotated under the action of torsional spring.
It further, further include a thrust spring, the thrust spring is set in the cylinder hole slot of fixing body, and is located
Between the boss of lever and the upper surface of fixing body.
Further, the direction of motion of the torsional spring applies cam thrust direction and electric cap close to capacitor
Unanimously.
Further, the solution protects spring and is in compressive state in fuse unarming, passes through the boss pair of lever
Lever applies the thrust for moving upwards lever.
Further, the thrust spring is in compressive state, keeps lever downward lever application by the boss of lever
The thrust of movement.
Further, the thrust spring is less than the effect that solution guarantor's spring applies lever to the active force that lever applies
Power.
Further, it is 1mm, number of active coils 7, central diameter 12mm, free height that the solution, which protects the steel wire diameter of spring,
For 22mm.
Further, the steel wire diameter of the thrust spring is 0.7mm, number of active coils 5, central diameter 11.3mm, freedom
Height is 22mm.
The utility model has the beneficial effects that: by the implementation of the utility model, in fuse setting solution protect spring with
The mode that lever combines carries out the limitation of rotation angle to the cam mechanism for being equipped with electric cap, so that fuse be made not solve
Electric cap is not in contact with trigger mechanism when except insurance, ensure that the safety of fuse, and after body emits, with going out
Fire plays the end of engine operation, and the overload that lever is subject to gradually reduces until disappearing, and solution protects spring and pushes up lever, connects
The limitation to cam rotation angle is touched, cam drives electric cap to become a full member under the action of torsional spring, and the solution for completing fuse is protected, entire to make
Dynamic process is reliably effective, in addition, this primer arrangement component is simple, it is easy to accomplish, it can be applied to a variety of triggerings using electric cap
In fuse.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the utility model when insurance does not release；
Fig. 2 is that the utility model is insuring structural schematic diagram when releasing；
In figure: 1- fixing body, 2- lever, 3- thrust spring, 4- solution protect spring, 5- cam, 6- electric cap, 7- torsional spring, 8-
Capacitor, 9- touch contact pin.
Specific embodiment
Be described further below the technical solution of the utility model, but claimed range be not limited to it is described.
As shown in Figs. 1-2, a kind of fuse mechanism for fire-fighting bomb for forest fuse, including fixing body 1, lever 2, solution protect bullet
Spring 4, electric cap 6, torsional spring 7, capacitor 8, touches contact pin 9 at cam 5；
Wherein, the inner hollow of fixing body 1, capacitor 8 are installed in the middle part of the cavity of fixing body 1, touch contact pin 9 and be installed on
The upper end of body 1 is filled, its underpart enters in the inner cavity of fixing body 1, can be pierced into capacitor 8 when touching contact pin 9 and being touched；
The side of fixing body 1 is provided with cylinder hole slot, and cylindrical hole trench bottom is provided with through-hole, and lever 2 is set in cylinder hole slot,
Lever 2 can pump in cylinder hole slot, and the lower end of lever 2 from stretching in through-hole and enters in fixing body 1；
The middle part of lever 2 is equipped with boss, and solution guarantor's spring 4 is set to boss and cylindrical hole trench bottom is formed by cavity；
Cam 5 and torsional spring 7 are coaxially installed in the inner cavity of fixing body 1, and are in the lower end of capacitor 8, the upper end of torsional spring 7 and cam 5
Connection, and apply steering force to cam 5；
Electric cap 6 is fixedly installed on cam 5, and head is close to capacitor 8, its head can be with after cam 5 rotates
Capacitor 8 contacts；
5 lower end of cam is equipped with protruding portion, and when fuse unarming, the lower end of lever 2 is intersected with the protruding portion of cam 5,
Limit rotation of the cam 5 in 1 inner cavity of fixing body, when fuse arming, the lower end of lever 2 not with the protruding portion phase of cam 5
It hands over, cam 5 rotates under the action of torsional spring 7.
It further, further include a thrust spring 3, the thrust spring 3 is set in the cylinder hole slot of fixing body 1,
And between the upper surface of the boss and fixing body 1 in lever 2.
Further, the movement of the torsional spring 7 applies cam 5 thrust direction and electric cap 6 close to capacitor 8
Direction is consistent.
Further, the solution protects spring 4 and is in compressive state in fuse unarming, passes through the boss of lever 2
Apply the thrust for moving upwards lever 2 to lever 2.
Further, the thrust spring 3 is in compressive state, makes lever 2 to the application of lever 2 by the boss of lever 2
The thrust moved downward.
Further, the thrust spring 3 is less than the work that solution guarantor's spring 4 applies lever 2 to the active force that lever 2 applies
Firmly.
Further, it is 1mm, number of active coils 7, central diameter 12mm, free height that the solution, which protects the steel wire diameter of spring 4,
For 22mm.
Further, the steel wire diameter of the thrust spring 3 is 0.7mm, number of active coils 5, central diameter 11.3mm, freedom
Height is 22mm.
Fire-fighting bomb for forest emit when, engine operation applies downward overload to each component of fuse, at this time lever 2 and
3 pairs of solutions of thrust spring protect spring 4 and apply pressure, and the lower end of lever 2 is intersected with cam 5, is limited the rotation of cam 5, is worked as engine
After stopping working, 2 pairs of solutions of lever protect 4 no pressure of spring, and solution is protected the promotion lever 2 of spring 4 and moved upwards at this time, the lower end of lever 2
It moving up, releases the limitation to cam 5, cam 5 drives electric cap 6 to become a full member under the action of torsional spring 7, and the solution for completing fuse is protected, this
When, it touching once touching 9 upper end of contact pin and being squeezed to be subjected to displacement to capacitor 8, capacitor 8 discharges, ignition electric cap 6, then by
Intracorporal booster explosive of 6 initiation bomb of electric cap etc. acts on the warhead of fire extinguisher bomb.
The utility model in fuse setting solution protect spring in such a way that lever combines, to being equipped with electric cap
Cam mechanism carries out the limitation of rotation angle, so that fuse electric cap in unarming be made not connect with trigger mechanism
Touching ensure that the safety of fuse, and after body transmitting, it is subject to the end of fire extinguisher bomb engine operation, lever
Overload gradually reduces until disappearing, and solution protects spring and pushes up lever, contacts the limitation to cam rotation angle, and cam is being turned round
Electric cap is driven to become a full member under the action of spring, the solution for completing fuse is protected, and entire actuation process is reliably effective, in addition, this primer arrangement
Component is simple, it is easy to accomplish, it can be applied in a variety of contact fuzes using electric cap.
Claims (8)
1. a kind of fuse mechanism for fire-fighting bomb for forest fuse, it is characterised in that: including fixing body (1), lever (2), Xie Bao
Spring (4), electric cap (6), torsional spring (7), capacitor (8), touches contact pin (9) at cam (5)；
Wherein, the inner hollow of fixing body (1), capacitor (8) are installed in the middle part of the cavity of fixing body (1), touch contact pin (9) installation
In the upper end of fixing body (1), its underpart enters in the inner cavity of fixing body (1), can be pierced into electricity when touching contact pin (9) and being touched
Hold in (8)；
The side of fixing body (1) is provided with cylinder hole slot, and cylindrical hole trench bottom is provided with through-hole, and lever (2) is set in cylinder hole slot,
Lever (2) can pump in cylinder hole slot, and the lower end of lever (2) is stretched out from through-hole and enters fixing body
(1) in；
The middle part of lever (2) is equipped with boss, and solution guarantor spring (4) is set to boss and cylindrical hole trench bottom is formed by cavity；
Cam (5) and torsional spring (7) are coaxially installed in the inner cavity of fixing body (1), and are in the lower end of capacitor (8), torsional spring (7) and cam
(5) upper end connection, and apply steering force to cam (5)；
Electric cap (6) is fixedly installed on cam (5), and head is close to capacitor (8), its head after cam (5) rotates
It can be contacted with capacitor (8)；
Cam (5) lower end is equipped with protruding portion, when fuse unarming, the lower end of lever (2) and the protruding portion phase of cam (5)
Hand over, limit cam (5) rotation in fixing body (1) inner cavity, when fuse arming, the lower end of lever (2) not with cam (5)
Protruding portion intersection, cam (5) rotates under the action of torsional spring (7).
2. being used for the fuse mechanism of fire-fighting bomb for forest fuse as described in claim 1, it is characterised in that: further include a thrust
Spring (3), the thrust spring (3) are set in the cylinder hole slot of fixing body (1), and boss and installation in lever (2)
Between the upper surface of body (1).
3. being used for the fuse mechanism of fire-fighting bomb for forest fuse as described in claim 1, it is characterised in that: the torsional spring (7) is right
The thrust direction that cam (5) is applied is consistent close to the direction of motion of capacitor (8) with electric cap (6).
4. being used for the fuse mechanism of fire-fighting bomb for forest fuse as described in claim 1, it is characterised in that: the solution protects spring
(4) compressive state is in fuse unarming, applying by the boss of lever (2) to lever (2) keeps lever (2) upward
The thrust of movement.
5. being used for the fuse mechanism of fire-fighting bomb for forest fuse as claimed in claim 2, it is characterised in that: the thrust spring
(3) it is in compressive state, the thrust for moving downward lever (2) is applied to lever (2) by the boss of lever (2).
6. being used for the fuse mechanism of fire-fighting bomb for forest fuse as claimed in claim 2, it is characterised in that: the thrust spring
(3) solution is less than to the active force that lever (2) apply and protects the active force that spring (4) apply lever (2).
7. being used for the fuse mechanism of fire-fighting bomb for forest fuse as described in claim 1, it is characterised in that: the solution protects spring
(4) steel wire diameter is 1mm, number of active coils 7, central diameter 12mm, free height 22mm.
8. being used for the fuse mechanism of fire-fighting bomb for forest fuse as claimed in claim 2, it is characterised in that: the thrust spring
(3) steel wire diameter is 0.7mm, number of active coils 5, central diameter 11.3mm, free height 22mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820536175.8U CN208238645U (en) | 2018-04-16 | 2018-04-16 | A kind of fuse mechanism for fire-fighting bomb for forest fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820536175.8U CN208238645U (en) | 2018-04-16 | 2018-04-16 | A kind of fuse mechanism for fire-fighting bomb for forest fuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208238645U true CN208238645U (en) | 2018-12-14 |
Family
ID=64583883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820536175.8U Active CN208238645U (en) | 2018-04-16 | 2018-04-16 | A kind of fuse mechanism for fire-fighting bomb for forest fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208238645U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111111042A (en) * | 2019-12-27 | 2020-05-08 | 中国航空工业集团公司西安飞机设计研究所 | Emergency releasing device |
-
2018
- 2018-04-16 CN CN201820536175.8U patent/CN208238645U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111111042A (en) * | 2019-12-27 | 2020-05-08 | 中国航空工业集团公司西安飞机设计研究所 | Emergency releasing device |
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