CN107976127A - The low recoil overload insurance institution of sequence ball partition-type - Google Patents
The low recoil overload insurance institution of sequence ball partition-type Download PDFInfo
- Publication number
- CN107976127A CN107976127A CN201610936086.8A CN201610936086A CN107976127A CN 107976127 A CN107976127 A CN 107976127A CN 201610936086 A CN201610936086 A CN 201610936086A CN 107976127 A CN107976127 A CN 107976127A
- Authority
- CN
- China
- Prior art keywords
- channel
- spring
- spacing block
- passage
- ball
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
- F42C15/00—Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges
- F42C15/24—Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges wherein the safety or arming action is effected by inertia means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
- Toys (AREA)
Abstract
The invention discloses a kind of low recoil drag structure of sequence ball partition-type, under the effect of low launching over loading, spacing block is smaller by inertia force, and second spring deflection is also smaller, insuring ball can be by the through hole on spacing block under the thrust that recoil is formed, and then can make bumper bar arming；Under the big overload effect of dropping shock, spacing block is larger by inertia force, and second spring deformation is also larger, and spacing block, which moves down, causes its through hole to move down, and spacing block blocks insurance ball movement, and then ensures reliable insurance.The configuration of the present invention is simple, occupied space is smaller, and maximum appearance and size is long 14 mm × wide 9 mm × high 21mm, possesses mechanical flexibility and marginal testing function, can identify 4gExtremely low launching over loading environment, and can reliably insure when fuse drops to hard goal, soft object with any angle.
Description
Technical field
The present invention relates to fuse field, and in particular to a kind of low recoil drag of sequence ball partition-type.
Background technology
During mining, frequently with the method for explosion.Used rocket projectile has safe and reliable fuze mechanism
It is directly related to the life security of miner.Using blasting cap and starting paper big gun as ignition fuse when adopting mine rocket projectile in the past,
In the presence of not easy to install, moisture-sensitive, the shortcomings of sensitiveness is poor, poor safety performance.Chinese patent 94219958.8 and 02246531.6
In the fuse of mine rocket projectile is improved, mainly solve the problems, such as the self-destruction of fuse.But protected for rocket fuse
Danger and the research deficiency of arming device.
Mine rocket projectile flying speed is low, and does not rotate, and fuse recoil environment is that the design of its insurance institution is optional main
Environment, other insurance institution's reliabilities outside recoil drag are more difficult to improve, therefore, the safety of recoil drag
It is particularly important that reliability.
Traditional fuse mainly solves this using double freedom insurance institution, tortuous groove insurance institution and clock safety device
Problem.Tortuous groove insurance institution domestic at present can recognize that 100gLaunching over loading, double freedom insurance institution can reach equal water
It is flat.Although clock safety device recognizable 2gLaunching over loading, but clock safety device mechanism structure is complicated, and cost is higher, accounts for
Larger with space, fatigue reliability is relatively low.Tortuous groove insurance institution can recognize that 24 in U.S. army's fuse productgOverload, clock and watch insurance
Mechanism can recognize that 4gOverload.There is not yet the country, which has, to identify 10 with non-clock and watch principlegThe guarantor of extremely low launching over loading environment below
Dangerous mechanism.
The content of the invention
It is an object of the invention to provide a kind of low recoil overload insurance institution of sequence ball partition-type, draw for mine rocket projectile
Letter or other low launching over loading fuses, it can be in low launching over loading（10gBelow）The lower arming of effect, in fuse with any
Can reliably it insure when angle drops to hard goal, soft object.
The technical solution for realizing the object of the invention is：A kind of low recoil drag of sequence ball partition-type, including gasket,
Second spring, body, bumper bar, annular cover plate, spacing block, sleeve, the first spring, packing ring and several insurance balls；On body
Parallel interval is equipped with vertical first passage, second channel and third channel successively, be additionally provided with body in the horizontal direction and with
The fourth lane that second channel vertically communicates；Wherein, first passage is extended downwardly from bodies top, second channel, third channel
Upwardly extended from body bottom portion, the first spring is located in third channel, and the first spring bottom is equipped with packing ring, and top is cased with covering
Cylinder；Gasket is arranged on second channel bottom, its top is equipped with second spring, and spacing block is equipped with the top of second spring；Fourth lane
One end is connected with first passage bottom by curved channel transition, and the other end at the top of third channel by arc-shaped transition with being connected
It is logical；Bumper bar one end is stretched at the top of first passage, and annular cover plate is sleeved on bumper bar, and embedded body, for by bumper bar and
Body is fixed；Several are set to insure ball in first passage, fourth lane and two arc-shaped passages below annular cover plate.
Compared with prior art, the present invention its remarkable advantage is：
（1）Simple in structure, occupied space is smaller, and mechanical flexibility and marginal testing can be realized by annular cover plate and bumper bar
Function.
（2）4 can be identified by spacing blockgExtremely low launching over loading environment, and hard mesh can be dropped to any angle in fuse
Reliably insure when mark, soft object.
Brief description of the drawings
Fig. 1 is the structure diagram of the low recoil drag of sequence ball partition-type of the present invention, wherein scheming（a）For front view, figure
（b）For figure（a）A-A sectional views, figure（c）For top view.
Fig. 2 is the spacing block structure diagram of the low recoil drag of sequence ball partition-type of the present invention, wherein scheming（a）For isolation
Block left view, figure（b）For spacing block front view.
Fig. 3 is the insurance ball stable state schematic diagram of the low recoil drag of sequence ball partition-type of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
With reference to Fig. 1, a kind of low recoil drag of sequence ball partition-type of the present invention, including gasket 1, second spring 3,
Body 4, bumper bar 5, annular cover plate 6, spacing block 9, sleeve 10, the first spring 11, packing ring 12 and several insurance balls 8.Body 4
On successively parallel interval be equipped with vertical first passage, second channel and third channel, be additionally provided with body 4 in the horizontal direction and
The fourth lane communicated vertical with second channel.Wherein, first passage extends from 4 top down of body, second channel, threeway
Road is upwardly extended from 4 bottom of body, and second channel length is more than third channel length.First spring 11 is located at third channel
Interior, 11 bottom of the first spring is equipped with packing ring 12, and top is cased with sleeve 10.Gasket 1 is arranged on second channel bottom, its top is equipped with
Second spring 3, the top of second spring 3 are equipped with spacing block 9.Fourth lane one end passes through curved channel transition with first passage bottom
Connection, the other end are connected with the top of third channel by arc-shaped transition.5 one end of bumper bar is stretched at the top of first passage, annular
Cover board 6 is sleeved on bumper bar 5, and embedded body 4, for bumper bar 5 and body 4 to be fixed.The first of the lower section of annular cover plate 6 is logical
Several are set to insure ball 8 in road, fourth lane and two arc-shaped passages.
With reference to Fig. 2,9 bottom of spacing block is equipped with spring groove, and middle part is equipped with through hole, and spring groove is sleeved on the top of second spring 3, energy
Second spring 3 is enough compressed, through-hole diameter is not less than the diameter for being used for insuring ball 8, and insurance ball 8 is passed through from through hole, original state
When, the through hole is located in fourth lane.
The first passage, second channel, the central axes of third channel and fourth lane are coplanar.
The body 4 can be spliced by two symmetrical half bodies.
Operation principle：
5 termination of bumper bar is acted on contactless by safety piece from by the counter-force of safety piece, the through hole on spacing block 9 is located at
In fourth lane.In low launching over loading（10gBelow）Under effect, inertia force suffered by spacing block 9 is smaller, 3 deflection of second spring
Also it is smaller, insurance ball 8 under the thrust that recoil is formed can by the through hole on the spacing block 9 in fourth lane,
And then compress the first spring 11, when 11 deflection of the first spring reaches certain value, 5 arming of bumper bar.Fall axially
Under the big overload effect of impact, inertia force suffered by spacing block 9 is larger, and second spring 3 deforms also larger, and spacing block 9 moves down, and causes it
Fourth lane is moved away under through hole and enters second channel, blocks the movement of insurance ball 8.Due to insurance ball 8 suffered by inertia force compared with
Greatly, spacing block 9 cannot prevent insurance ball 8 to roll completely, finally have an insurance ball 8 and be stuck in second channel and third channel company
Meet place（Such as Fig. 3）, and it is subject to the extruding of spacing block 9, reach stable state, and then prevent 5 arming of bumper bar.Rushed when falling
After hitting overload disappearance, spacing block 9 moves up under the action of 3 drag of second spring, recovers to original state, sleeve 10 is in the first bullet
Original state is also restored under 11 effect of elastic resistance of spring.
With reference to Fig. 1, under the big overload effect of horizontal dropping shock, spacing block 9 is smaller by axial force, is not enough to stop and protects
Near miss 8 moves.2 insurance balls 8 of first passage bottom extrude cell wall on the right side of it under inertia force effect, it is impossible to move downward,
So as to guarantee insurance reliability.After dropping shock, which overloads, to disappear, spacing block 9 moves up under the action of 3 drag of second spring, extensive
Again original state is also restored under 11 effect of elastic resistance of the first spring to original state, sleeve 10.
Embodiment 1
With reference to Fig. 1 and Fig. 2, a kind of low recoil drag of sequence ball partition-type, appearance and size is long 14 mm × wide 9 mm × high by 21
Mm, including gasket（1）, second spring（3）, body（4）, bumper bar（5）, annular cover plate（6）, spacing block（9）, sleeve（10）、
First spring（11）, packing ring（12）With seven insurance balls（8）.Body（4）It is spliced by two symmetrical half bodies, by fixed
Position pin（2）Positioning, attachment screw（7）Fastening.Body（4）On successively parallel interval be equipped with vertical first passage, second channel
And third channel, body（4）Inside it is additionally provided with the horizontal direction and the fourth lane communicated vertical with second channel.Wherein, first
Passage is from body（4）Top down extends, and second channel, third channel are from body（4）Bottom upwardly extends, second channel length
Degree is more than third channel length.First spring（11）It is located in third channel, the first spring（11）Bottom is equipped with packing ring（12）, top
Portion is cased with sleeve（10）.Gasket（1）Second channel bottom is arranged on, its top is equipped with second spring（3）, second spring（3）Top
Portion is equipped with spacing block（9）.Fourth lane one end is connected with first passage bottom by curved channel transition, the other end and threeway
Connected at the top of road by arc-shaped transition.Bumper bar（5）One end is stretched at the top of first passage, annular cover plate（6）It is sleeved on bumper bar
（5）On, and embedded body（4）, for by bumper bar（5）And body（4）It is fixed.Annular cover plate（6）The first passage of lower section,
Seven insurance balls are set in four-way and two arc-shaped passages（8）.
Spacing block（9）Bottom is equipped with spring groove, and middle part is equipped with through hole, and spring groove is sleeved on second spring（3）Top, can press
Contracting second spring（3）, through-hole diameter, which is not less than, to be used to insure ball（8）Diameter, insure ball（8）Passed through from through hole, initial shape
During state, the through hole is located in fourth lane.
The first passage, second channel, the central axes of third channel and fourth lane are coplanar.
Claims (6)
- A kind of 1. low recoil drag of sequence ball partition-type, it is characterised in that：Including gasket（1）, second spring（3）, body （4）, bumper bar（5）, annular cover plate（6）, spacing block（9）, sleeve（10）, the first spring（11）, packing ring（12）With several guarantors Near miss（8）；Body（4）On successively parallel interval be equipped with vertical first passage, second channel and third channel, body（4）It is interior It is additionally provided with the horizontal direction and the fourth lane communicated vertical with second channel；Wherein, first passage is from body（4）Top down Extension, second channel, third channel are from body（4）Bottom upwardly extends, the first spring（11）It is located in third channel, first Spring（11）Bottom is equipped with packing ring（12）, top is cased with sleeve（10）；Gasket（1）Second channel bottom is arranged on, its top is set There is second spring（3）, second spring（3）Top is equipped with spacing block（9）；Fourth lane one end passes through arc with first passage bottom Channel transition connects, and the other end is connected with the top of third channel by arc-shaped transition；Bumper bar（5）First passage is stretched into one end Top, annular cover plate（6）It is sleeved on bumper bar（5）On, and embedded body（4）, for by bumper bar（5）And body（4）It is fixed；Ring Shape cover board（6）Several are set to insure balls in the first passage of lower section, fourth lane and two arc-shaped passages（8）.
- 2. the low recoil drag of sequence ball partition-type according to claim 1, it is characterised in that：The spacing block（9）Bottom Portion is equipped with spring groove, and middle part is equipped with through hole, and spring groove is sleeved on second spring（3）Top, compresses second spring（3）, insure ball（8） Passed through from through hole, during original state, the through hole is located in fourth lane.
- 3. the low recoil drag of sequence ball partition-type according to claim 2, it is characterised in that：The through-hole diameter is not small In for insuring ball（8）Diameter.
- 4. the low recoil drag of sequence ball partition-type according to claim 1, it is characterised in that：The first passage, The central axes of two passages, third channel and fourth lane are coplanar.
- 5. the low recoil drag of sequence ball partition-type according to claim 1 or 4, it is characterised in that：The second channel Length is more than third channel length.
- 6. the low recoil drag of sequence ball partition-type according to claim 1, it is characterised in that：The body（4）By two A symmetrical half body is spliced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610936086.8A CN107976127B (en) | 2016-10-25 | 2016-10-25 | Overload insurance institution in the low recoil of sequence ball partition-type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610936086.8A CN107976127B (en) | 2016-10-25 | 2016-10-25 | Overload insurance institution in the low recoil of sequence ball partition-type |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107976127A true CN107976127A (en) | 2018-05-01 |
| CN107976127B CN107976127B (en) | 2019-07-26 |
Family
ID=62004844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610936086.8A Active CN107976127B (en) | 2016-10-25 | 2016-10-25 | Overload insurance institution in the low recoil of sequence ball partition-type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107976127B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114739243A (en) * | 2022-03-28 | 2022-07-12 | 南京理工大学 | Fuse magnetic ball core holding back seat safety mechanism |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2345336A1 (en) * | 1973-09-07 | 1975-03-20 | Olaf Reeh | Mine fuse with trip wires - has wires ends locked in release head to be freed on by striker bolt |
| US3921531A (en) * | 1974-05-10 | 1975-11-25 | Us Army | Double element setback lock |
| BE1005559A3 (en) * | 1991-02-14 | 1993-10-26 | Herstal Sa | Safety device, respectively time-delay, for projectile |
| KR101378807B1 (en) * | 2012-04-12 | 2014-03-27 | 국방과학연구소 | Munition's safety and armimg device by using tungsten-carbide ball |
| CN105258579A (en) * | 2015-11-06 | 2016-01-20 | 南京理工大学 | Inclined recoil safety mechanism for fuse |
-
2016
- 2016-10-25 CN CN201610936086.8A patent/CN107976127B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2345336A1 (en) * | 1973-09-07 | 1975-03-20 | Olaf Reeh | Mine fuse with trip wires - has wires ends locked in release head to be freed on by striker bolt |
| US3921531A (en) * | 1974-05-10 | 1975-11-25 | Us Army | Double element setback lock |
| BE1005559A3 (en) * | 1991-02-14 | 1993-10-26 | Herstal Sa | Safety device, respectively time-delay, for projectile |
| KR101378807B1 (en) * | 2012-04-12 | 2014-03-27 | 국방과학연구소 | Munition's safety and armimg device by using tungsten-carbide ball |
| CN105258579A (en) * | 2015-11-06 | 2016-01-20 | 南京理工大学 | Inclined recoil safety mechanism for fuse |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114739243A (en) * | 2022-03-28 | 2022-07-12 | 南京理工大学 | Fuse magnetic ball core holding back seat safety mechanism |
| CN114739243B (en) * | 2022-03-28 | 2023-08-18 | 南京理工大学 | Fuse magnetic ball holding core recoil safety mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107976127B (en) | 2019-07-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102374831B (en) | Safety mechanism of grenade fuse | |
| CN105783615B (en) | A kind of fuse security mechanism with the insurance of two-stage marmem and fuse | |
| KR101078153B1 (en) | Self-destruct fuze of submunition | |
| CN111272030B (en) | Weak environment power recoil safety mechanism | |
| CN107976127A (en) | The low recoil overload insurance institution of sequence ball partition-type | |
| CN101858714B (en) | Exposed universal impact device for fusing | |
| CN206235253U (en) | A kind of inertial safety device and the non-rotating bullet using the inertial safety device | |
| US9103643B2 (en) | Fuse having self-destruct function and impact resistance | |
| CN107314722A (en) | Suitable for low speed, low overload, micro- rotating environment Zhe Fa insurance institutions | |
| CN204771483U (en) | Have bolt grabber that bolt drawed and caught function concurrently | |
| US3054870A (en) | Variable sensitivity inertia switch | |
| US6389976B1 (en) | Hard target fuze | |
| CN206862220U (en) | A kind of multi-point sequent detonation in-line arrangement dispenser fuze | |
| CN201909589U (en) | Pressure excitation type twin-spark ignition priming device | |
| CN203511551U (en) | Bomb explosion type window breaking device with civil bomb explosion | |
| CN115355776A (en) | High-reliability multi-direction triggering comprehensive ignition mechanism for small-caliber cannonball warhead fuse | |
| CN110500923B (en) | Steady-state overload recognition and safety circuit based on double acceleration switches and control circuit | |
| CN207050584U (en) | One kind is used for doubleway output energy between two parties and long-distance transmissions fuse mechanism | |
| CN110972551B (en) | Safety mechanism of electric pin pusher | |
| CN209416178U (en) | A kind of anti-riot shrapnel of composite and multi-purpose | |
| CN111649630A (en) | Bullet bottom construction with reduce and fall impact function | |
| CN105352376B (en) | A kind of small-sized anti high overload butt switch | |
| US2977881A (en) | Trigger releasing means for detonation mechanism | |
| US3854402A (en) | Projectile fuze with flexible baffle | |
| CN221037123U (en) | Anti-interference protection structure of electronic fuze |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |