CN207180503U - A kind of memorial alloy locks compound constraint formula interrupter - Google Patents

Abstract

Compound constraint formula interrupter is locked the utility model discloses a kind of memorial alloy, belongs to fuze safety mechanism technical field.The interrupter includes the body that center is provided with rotor hole, and coaxial sleeve insertion rotor hole in can opposing body rotate rotor, accommodating memorial alloy pin removal, locking member, the corresponding hole for passing fiery part and detonation transmission part are offered on rotor and body, by optimizing hole location relation, make interrupter that there is larger releasing isolation corner, and the setting of insurance institution and locking mechanism enables safe condition and arm-to-arm interrupter to be locked in correspondence position.On the one hand the utility model optimizes the arrangement of parts form of interrupter by above-mentioned setting, reduce the bulk of interrupter, improves the applicability of interrupter；On the other hand, insurance institution can effectively improve the security of interrupter under safe condition, and locking mechanism can be effectively ensured ignition sequence and align under arm-to-arm, greatly improve ignition efficiency.

Description

A kind of memorial alloy locks compound constraint formula interrupter

Technical field

The utility model belongs to fuze safety mechanism technical field, and in particular to a kind of memorial alloy locks compound constraint Formula interrupter.

Background technology

Priming system is equipped with gunpowder or explosive, burning or blast is produced after by environmental stimuli, with the gunpowder that ignites, ignition charge Or do the disposable component of mechanical work and the general name of device.Interrupter is usually provided with priming system, it is made With being sensitive firer's element in Explosive sequence usually with next stage firer's element separation, is ensured that fuse is accidental in its priming system Misfire during preact, so as to avoid ammunition premature burst so that jeopardizing the safety of personnel and equipment.

The security of fuse be related to the demonstration of fuse, design, manufacture, inspection and acceptance, experiment, duties processing, using and The life cycle managements such as explosive disposal.In safety period life-cycle of fuse, the effect of interrupter is to ensure fuse right Arm-to-arm is in effective short-term/space of interacting goals, is safe condition in the case of remaining.

At present, conventional interrupter mechanism has slide block mechanism, lever type mechanisms and isolation rotor mechanism, wherein being turned with level Minor interrupter is relatively conventional.Under normal circumstances, horizontal rotor formula interrupter utilizes torsion spring, clockwork spring (disc spring) or other Motive power of the spring as mechanism kinematic, there is less axial dimension, be adapted to the small occasion of axial dimension requirement, and it is horizontal Rotator type interrupter has larger releasing isolation corner, can ensure that flame proof security generally.It is but existing Horizontal rotor formula interrupter there is also it is certain the defects of, its defect be mainly grouped as it is following some.First, when interrupter is protected After danger releases and moved in place, interrupter does not have lock function, under vibration, easily causes interrupter dislocation, Explosive train is ultimately resulted in align not exclusively；Secondly, the two-stage safety piece Heterogeneous Permutation of horizontal rotor formula interrupter, can cause Mechanism size is larger, unreasonable to space utilization；Again, horizontal rotor formula interrupter usually not effectively utilizes the ring on bullet Environment information (such as fly overload, centrifugal force, Aerodynamic Heating), and the driving of two-stage safety piece needs to consume fuse or missile power supply, Energy dissipation is caused, and security is relatively low.Drawbacks described above causes the application of horizontal rotor formula interrupter to be subject to certain restrictions, The security and practicality of interrupter are had a certain impact, can not fully meet the safe handling of fuse.

Utility model content

For the disadvantages described above or Improvement requirement of prior art, it is compound that the utility model provides a kind of memorial alloy locking Constraint formula interrupter, wherein the setting insured by using two-stage, is provided with larger releasing isolation corner, it is ensured that usually Flame proof security, and interrupter has lock function after motion in place, can ensure that under vibration in state in place, Ensure the reliability of detonation, lift the security and practicality of fuze mechanism.

To achieve the above object, the utility model provides a kind of memorial alloy and locks compound constraint formula interrupter, bag The center of including is provided with the body of rotor hole, and can the rotor that rotates of opposing body in coaxial sleeve insertion rotor hole, it is characterised in that

On the body end face of respective rotor offer for house memorial alloy pin removal the second blind hole, for treating The latch ends of locking member are housed wherein to lock the ball pin hole of the arm-to-arm, and for housing detonation transmission part under hair-like state Propagation of explosion hole；

Offered on the rotor for the accommodating flash hole for passing fiery part, blind for housing the 4th of the locking member the Hole and the in the secure state latch ends for memorial alloy pin removal corresponding with second blind hole are inserted to lock The pin hole of the safe condition.

As further improvement of the utility model, arc groove is offered on the rotor, for for rotor rotation side To being oriented to and limit the rotational angle of rotor.

As further improvement of the utility model, the company at the arc groove both ends and rotor hole center on cross section The angle that the angle that line is formed need to rotate when being converted to arm-to-arm from safe condition with rotor is identical.

As further improvement of the utility model, the company at the arc groove both ends and rotor hole center on cross section The angle that line is formed is 75 °~135 °.

As further improvement of the utility model, the locking member includes being in the lock of compressive state under safe condition Determine spring and for inserting the ball pin hole under arm-to-arm to lock the ball pin of the arm-to-arm.

As further improvement of the utility model, the memorial alloy pin removal include pin, limit spring, pressure spiral shell, Housing and memorial alloy sleeve；

The pin is T-shaped structure, and its front end is the latch ends of the memorial alloy pin removal, and the limit spring is arranged In the latch ends；

Step groove is offered on one side end face of the housing, the pressure spiral shell that its exit is offered through hole by middle part seals Dress, step groove are equipped with the memorial alloy sleeve, the pin, the spacing bullet in original state successively from bottom to top Spring, and the memorial alloy sleeve is placed on the ladder in step groove, leave below can house it is absolutely empty in pin rear end Between；

The memorial alloy sleeve is hollow sleeve tubular, and the pin and limit spring are placed in sleeve, and the note The bottom for recalling alloy sleeve is provided with memory step for limiting the pin position in an initial condition.

In general, by the contemplated above technical scheme of the utility model compared with prior art, have with following Beneficial effect：

(1) memorial alloy of the present utility model is locked in compound constraint formula interrupter, is pulled out by using memorial alloy Insurance institution when selling device as safe condition, ensures that the rotor of interrupter does not rotate in the secure state, reduces meaning The occurrence of outer ignition, improve the security of interrupter；

(2) memorial alloy of the present utility model is locked in compound constraint formula interrupter, when interrupter is in pending During state, by using locking member as locking mechanism, ensureing interrupter, generating mechanism does not misplace under arm-to-arm, especially It is the component dislocation for reducing interrupter under vibration environment, largely avoided explosive train and aligns incomplete problem；

(3) memorial alloy of the present utility model is locked in compound constraint formula interrupter, by arc groove and alignment pin Rotor rotation direction and angle are defined, and the isolation corner set is larger, and interrupter can be effectively ensured in state Component aligns during conversion, and greatly promotes the daily flame proof security of fuze mechanism；

(4) memorial alloy of the present utility model locks compound constraint formula interrupter, the Arming Assembly under safe condition Optimized the arrangement of with the Arming Assembly under arm-to-arm, by rationally designing hole location, make full use of idle hole, so as to To greatly reduce the bulk of interrupter；

(5) memorial alloy of the present utility model locks compound constraint formula interrupter, and its insurance institution can be utilized respectively Environmental information and control system instruction on bullet, the security of interrupter can be substantially improved.

Brief description of the drawings

Fig. 1 is that the memorial alloy of the utility model embodiment locks the overall structure signal of compound constraint formula interrupter Figure；

Fig. 2 is that the memorial alloy of the utility model embodiment locks the rotor structure side view of compound constraint formula interrupter Figure；

Fig. 3 is that the memorial alloy of the utility model embodiment locks the rotor structure vertical view of compound constraint formula interrupter Figure；

Fig. 4 is that the memorial alloy of the utility model embodiment locks the driving part section view of compound constraint formula interrupter Figure；

Fig. 5 is that the memorial alloy of the utility model embodiment locks the driving part dismounting of compound constraint formula interrupter Figure；

Fig. 6 is that the memorial alloy of the utility model embodiment locks the inertial elements part of compound constraint formula interrupter Mechanism sectional view；

Fig. 7 is that the memorial alloy of the utility model embodiment locks the biography fire modular construction of compound constraint formula interrupter Sectional view；

Fig. 8 is that the memorial alloy of the utility model embodiment locks the locking member structure of compound constraint formula interrupter Sectional view；

Fig. 9 is that the memorial alloy of the compound constraint formula interrupter of the memorial alloy locking of the utility model embodiment is pulled pin Device original state schematic diagram；

Figure 10 is that the memorial alloy of the compound constraint formula interrupter of the memorial alloy locking of the utility model embodiment pulls out Sell device view in place；

Figure 11 is that the body construction of the compound constraint formula interrupter of the memorial alloy locking of the utility model embodiment is bowed View；

Figure 12 is that the memorial alloy of the utility model embodiment locks the body construction side of compound constraint formula interrupter View.

In all of the figs, same reference represents identical technical characteristic, is specially：1. rotor, 101. torsion springs Groove, 102. shaft holes, 103. flash holes, 104. the 4th blind holes, 105. the 5th blind holes, 106. the 3rd blind holes, 107. pin holes, 108. lock hole, 109. dead axle holes, 1010. arc grooves；2. driving part, 201. torsion springs, 202. rotating shafts, 203. axis of rolling Hold, 204. pressing plates；3. inertial elements part, 301. inertia cylinders, 302. inertial springs；4. fiery part is passed, 401. flame detonators, 402. shells, 403. beams；5. locking member, 501. ball pins, 502. Lock springs, 503. wires；6. guide finger, 7. propagation of explosions Part, 8. bodies, 801. rotor holes, 802. shaft holes, 803. first blind holes, 804. second blind holes, 805. ball pin holes, 806. spiral shells Pit, 807. side position holes, 808. propagation of explosion holes；9. memorial alloy pin removal, 901. pins, 902. limit springs, 903. pressure spiral shells, 904. housings, 905. memorial alloy sleeves, 906. wires.

Embodiment

In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining this Utility model, it is not used to limit the utility model.

As long as in addition, technical characteristic involved in each embodiment of the utility model disclosed below each other it Between do not form conflict can be mutually combined.

Fig. 1 is that the memorial alloy of the utility model embodiment locks the overall structure signal of compound constraint formula interrupter Figure；Fig. 2 is the rotor structure side view of the interrupter of the utility model embodiment；Fig. 3 be the utility model embodiment every Disembark the rotor structure front view of structure；Fig. 4 is the driving part structure sectional view of the interrupter of the utility model embodiment；Figure 5 be the driving part structure dismounting figure of the interrupter of the utility model embodiment；Fig. 6 is the isolation of the utility model embodiment The inertial elements modular construction sectional view of mechanism；Fig. 7 is that the biography fire modular construction of the interrupter of the utility model embodiment is cutd open View；Fig. 8 is the locking member structure sectional view of the interrupter of the utility model embodiment；Fig. 9 is that the utility model is implemented The memorial alloy pin removal original state schematic diagram of the interrupter of example；Figure 10 is the interrupter of the utility model embodiment Memorial alloy pin removal view in place；Figure 11 is that the body construction of the interrupter of the utility model embodiment is faced Figure；Figure 12 is the body construction side view of the interrupter of the utility model embodiment.

As shown in accompanying drawing 1~12, interrupter in a preferred embodiment of the present utility model mainly include rotor 1, Driving part 2, inertial elements part 3, pass fiery part 4, locking member 5, guide finger 6, detonation transmission part 7, body 8 and memorial alloy Pin removal 9.

Wherein, rotor 1 is the core component of interrupter, is offered in its both ends of the surface and accommodates interrupter critical piece Hole or cell body；Driving part 2 is mainly used in driving rotor 1 to move, and rotor 1 is switched in arm-to-arm and safe condition, Driving part 2 mainly includes torsion spring 201, the rotating shaft 202 for transmission, the rolling bearing 203 of accessory drive for providing driving force And the pressing plate 204 for fixed drive part 2；Inertial elements part 3 is one of main securing member of interrupter, and it is led To be made up of inertia cylinder 301 and inertial spring 302；It is one of critical piece that fuse is used for ignition to pass fiery part 4, and it is mainly wrapped Include flame detonator 401, shell 402 and beam 403；Locking member 5 is mainly used in when rotor 1 is in arm-to-arm, to turning The location status of son 1 is locked, and ensures that interrupter occurs without the situation of dislocation；Guide finger 6 is mainly used in controlling rotor 1 The anglec of rotation, ensure the angle of the rotation of rotor 1 within certain control range, so that associated components occur without before and after rotation Dislocation；Detonation transmission part 7 is mainly used in igniting priming system with passing the fiery mating reaction of part 4；Body 8 is the main body machine of interrupter One of structure, the hole or cell body for accommodating interrupter critical piece are offered in its both ends of the surface；Memorial alloy pin removal 9 is isolation One of main securing member of mechanism, mainly include pin 901, limit spring 902, pressure spiral shell 903, housing 904, memorial alloy set Cylinder 905 and wire 906.

Further, rotor 1 and body 8 are in cylindrical structural, are offered on the one end side of body 8 and accommodate rotor 1 Rotor hole 801, rotor hole 801 is blind cylindrical hole, the coaxial sleeve of rotor 1 in rotor hole 801, and can opposing body 8 enter Row rotates, and the height of rotor 1 and the depth of rotor hole 801 are preferably identical.

Specifically, as shown in figures 2-3, the side end face for deviating from the bottom of rotor hole 801 using rotor 1 is turning as its upper surface On the upper surface of son 1, the torsional spring slot 101 for placing torsion spring 201 in driving part 2 is offered, torsional spring slot 101 is annular groove, It is centrally located on the axis of rotor 1, and the bar shaped for being further opened with matching with the protruding end on torsion spring 201 on torsional spring slot 101 is recessed Groove, the both sides of torsional spring slot 101 are further opened with branch ear slot, and for placing the both sides journal stirrup of pressing plate 204, the depth of torsional spring slot 101 is excellent Choosing is slightly below the thickness sum of pressing plate 204 and torsion spring 201, and its upper surface can protrude the upper end of rotor 1 after guarantee pressing plate 204 is fixed Face.It is further opened with connecting the through hole of the both sides end face of rotor 1 on rotor 1, the shaft hole as the rotating shaft 202 of arrangement driving part 2 102, the axis of shaft hole 102 overlaps with the axis of rotor 1.

Further, the arc groove 1010 for placing guide finger 6 is further opened with the upper surface of rotor 1, arc is recessed Groove 1010 is connects the intercommunicating pore of the both ends of the surface of rotor 1, and the center of circle of groove is located on the axis of rotor 1, i.e. arc groove 1010 The each section of distance away from the axis of rotor 1 is all equal.In a preferred embodiment, guide finger 6 is fixedly installed on arc groove 1010 are fixed on body 8 close to one end of the 3rd blind hole 106, the bottom of guide finger 6；Rotor 1 under the limitation of guide finger 6, Rotated in a fixed angle, this angle corresponds to the angle of arc groove 1010.The both ends of arc groove 1010 are corresponding to be turned The angle in the sub 1 end face center of circle is in a preferred embodiment 90 °, and certainly, the angle of arc groove 1010 also can be according to specific Situation selects other numerical value, such as 75 °, 85 °, 105 °, 135 ° etc., in a preferred embodiment, the folder of arc groove 1010 Angular region is 75 °~135 °.

Correspondingly, using rotor 1 close to a side end face of the bottom of rotor hole 801 as its lower surface, in the lower surface of rotor 1 On, flash hole 103 is offered, flash hole 103 is shoulder hole, and fiery part 4 is passed for fixed；Also opened on the lower surface of rotor 1 Provided with the 4th blind hole 104, the 4th blind hole 104 is also shoulder hole, for installing locking member 5；In addition, on the lower surface of rotor 1 Three shrinkage pools are further opened with, three shrinkage pools are preferably internal diameter identical blind hole, and the diameter of shrinkage pool is not specifically limited, can basis Concrete condition selects, and three shrinkage pools are respectively to be used to place the 3rd blind hole 106 of inertial elements part 3, corresponding detonation transmission part 7 5th blind hole 105, and for pin hole 107 corresponding with the latch ends of the pin 901 of memorial alloy pin removal 9.Above-mentioned ladder Hole and the position that opens up of shrinkage pool are not specifically limited, can decision design as the case may be, but the position of shoulder hole and shrinkage pool The relation of putting must with corresponding hole location is corresponding on body 8 opens up, the shoulder hole center of circle and the shrinkage pool center of circle with the center of circle of rotor 1 away from From with arc groove 1010 away from identical with a distance from the center of circle, and flash hole 103, the center of circle of the 5th blind hole 105 and the circle center line connecting of rotor 1 The angle of composition must be identical with the angle of arc groove 1010, and the 3rd blind hole 106, two centers of circle of pin hole 107 and rotor 1 are justified The angle that the line of the heart is formed is also identical with the angle of arc groove 1010.

Body 8 corresponding with rotor 1, being shown such as Figure 11~12 in a preferred embodiment, respective rotor on body 8 1 offers corresponding hole slot.Specifically, the overall preferably cylindrical structure of body 8, its upper surface correspond to the shape of rotor 1 Rotor hole 801 corresponding with the size of rotor 1 is provided with, i.e. rotor hole 801 is the cylindrical shrinkage pool with certain depth and diameter； Dead axle hole 109 on the lower surface of the bottom end face center respective rotor 1 of rotor hole 801 offers shaft hole 802, shaft hole 802 essentially cylindrical blind holes, its side offer vertical bar connected in star, for fixed rotating shaft 202；The two of shaft hole 802 Side is correspondingly disposed with two blind holes, i.e. the first blind hole 803 and the second blind hole 804.Wherein, the first blind hole 803 is used to house inertia One end of securing member 3, the second blind hole 804 be used for house memorial alloy pin removal 9, further, two blind hole centers of circle for The distance of the axis of body 8 is identical with distance of the arc groove 1010 away from axis on rotor 1, and two blind hole centers of circle and rotor The angle that the bottom surface circle center line connecting of hole 801 is formed is identical with the angle of arc groove 1010, that is, ensures that fuze mechanism is in safety During state, the first blind hole 803 aligns with the 3rd blind hole 106 on the lower surface of rotor 1, in the second blind hole 804 and the lower surface of rotor 1 Pin hole 107 align, so as to ensure that rotor 1 can be locked in safe condition when initial by the insurance of the two-stage of interrupter Under.

Further, the 4th blind hole 104 on the bottom surface of rotor hole 801 in respective rotor 1 is provided with ball pin hole 805, is used for When ensureing that fuze mechanism is in arm-to-arm, the locking member 5 on rotor 1 can align therewith；It is corresponding on the bottom surface of rotor hole 801 The guide finger 6 arranged on rotor 1 is provided with screwed hole 806, the bottom spiral for being directed to pin 6 is fixed on screwed hole 806 In, rotor 1 is limited within certain slewing area indirectly.Side position hole 807 is further opened with the side of body 8, it is opened up Position is that lock hole 108 and the side position hole 807 of rotor 1 align when ensureing that fuze mechanism is in a safe condition；Further, exist The propagation of explosion hole 808 for placing detonation transmission part 7 is offered on the lower surface of body 8, the depth in propagation of explosion hole 808 is preferably from body 8 Lower surface connection rotor hole 801 bottom surface, the internal diameter in propagation of explosion hole 808 is not especially limited, can be preferred as the case may be Design, but fuze mechanism is must assure that in arm-to-arm, the flash hole 103 above rotor 1 must align with propagation of explosion hole 808, Ensure that passing fiery part 4 can align with detonation transmission part 7, so as to ensure that Explosive sequence can align.

Further, be as shown in Figures 4 and 5 the driving part 2 in a preferred embodiment, its mainly include torsion spring 201, Rotating shaft 202, rolling bearing 203 and pressing plate 204, torsion spring 201 are mainly that the rotation of rotor 1 provides driving force, and its driving force is not Required driving force when being rotate in place less than rotor 1；Rotating shaft 202 is multi-diameter shaft, following table of the less one end of its diameter of axle from rotor 1 Face passes through and passed from the shaft hole 102 on the upper surface of rotor 1, connects the part of upper level；It is further preferred that pressing plate 204 are fixed on the upper surface of rotor 1, prevent torsion spring 201 from throwing away, and its upper surface protrudes the upper surface of rotor 1, is easy to 1 turn of rotor When dynamic, the only upper surface of pressing plate 204 and upper level component contact, and the upper surface of rotor 1 is reduced not with upper level component contact CONTACT WITH FRICTION area, reduce the rotary resistance of rotor 1；In order to further reduce the pivoting friction resistance of rotor 1, in rotating shaft Rolling bearing 203 is provided between 202 and the lower surface of rotor 1, rolling bearing 203 is set in one that rotating shaft 202 passes through rotor 1 End, and in the dead axle hole 109 being arranged on the lower surface of rotor 1；In addition, the bottom of rotating shaft 202 is fixed on the rotating shaft among body 8 Among hole 802, in order to prevent rotating shaft 202 from being rotated in shaft hole 802, the side of the bottom fixing end of rotating shaft 202 is provided with one Individual perpendicular strip bulge, shaft hole 802 is correspondingly arranged on a groove, and after rotating shaft 202 is put into shaft hole 802, rotating shaft 202 is relative Do not rotated in body 8.

The inertial elements part 3 being illustrated in figure 6 in a preferred embodiment, it is mainly by inertia cylinder 301 and inertia spring 302 compositions, one end of inertia cylinder 301 offers the groove of fixed one end of inertial spring 302.In the secure state, inertia cylinder 301 It is placed in the 3rd blind hole 106 on the side end face of rotor 1 one, insert depth is preferably 2~3mm, the other end of inertial spring 302 It is placed in the first blind hole 803 on body 8；Rotor 1 is during safe condition turns to arm-to-arm, inertial spring 302 In compressive state and overall embedded first blind hole 803 of inertial elements part 3；When rotor 1 turns to arm-to-arm, first is blind Hole 803 is aligned with the pin hole 107 on rotor 1, and inertia cylinder 301 is embedded in pin hole 107 to lock the arm-to-arm.

The biography fire part 4 being illustrated in figure 7 in a preferred embodiment, it is mainly by flame detonator 401, the and of shell 402 Beam 403 forms, and screw thread is preferably offered on shell 402, and coordinate the flash hole 103 for being fixed on rotor 1 by screw thread In, pass the lower surface that its lower end after fiery part 4 is fixed does not protrude rotor 1；Further, the bottom beam 403 of fiery part 4 is passed Preferably red copper pad, for buffer protection flame detonator 401, prevent the unexpected triggering flame detonator 401 that clashes.

The locking member 5 being illustrated in figure 8 in a preferred embodiment, it is mainly by ball pin 501, the and of Lock spring 502 Wire 503 is formed, and screw thread is offered on the outer peripheral face of wire 503, for locking member 5 to be arranged on the lower surface of rotor 1 In 4th blind hole 104, and the lower surface of the not prominent rotor 1 in the lower surface of wire 503；The upper end of Lock spring 502 is placed on wire In 503, its lower end is placed in the upper recess of ball pin 501, and when fuse is in a safe condition, Lock spring 502 is in pressure Contracting state, the bottom of ball pin 501 contact with body 8.When rotor 1 turns to arm-to-arm from safe condition, locking member 5 Aligned with the ball pin hole 805 on body 8, the Lock spring 502 in compressive state promotes ball pin 501 to be embedded into ball pin hole 805 In, the position of rotor 1 is locked in arm-to-arm.

The memorial alloy pin removal 9 being shown such as Fig. 9~10 in a preferred embodiment, it is mainly by pin 901, spacing Spring 902, pressure spiral shell 903, housing 904, memorial alloy sleeve 905 and wire 906 form.Specifically, memorial alloy pin removal 9 It is fixed in the second blind hole 804, pin 901 is T-shaped structure, and its axial end is the latch ends of memorial alloy pin removal 9, spacing bullet Spring 902 is set in the latch ends；Step groove is offered on one side end face of housing 904, its exit is offered by middle part The pressure spiral shell 903 of through hole encapsulates, and step groove is equipped with memorial alloy sleeve 905, pin in original state successively from bottom to top 901st, limit spring 902, and memorial alloy sleeve 905 is placed on the ladder in step groove, pin can be housed below by leaving 901 hollow space；Memorial alloy sleeve 905 is hollow sleeve tubular, and pin 901 and limit spring 902 are placed in sleeve, and The bottom of memorial alloy sleeve 905 is provided with the memory step for limiting the position of pin 901 in an initial condition；

In the secure state, the bottom of memorial alloy sleeve 905 has memory step, and constraint limit spring 902 is in pressure Contracting state, and the latch ends of pin 901 are stretched out from the through hole on pressure spiral shell 903, with locking in the pin hole 107 on embedded rotor 1 The safe condition；When rotor 1 is converted to arm-to-arm from safe condition, memorial alloy pin removal 9 is powered, memorial alloy sleeve The memory step of 905 bottoms disappears, and relieves constraint of the memorial alloy sleeve 905 to pin 901, the compression of limit spring 902 Status releasing, recover elastic force by it and detach from pin hole 107 latch ends of pin 901, release the locking to rotor 1.

In the interrupter of a preferred embodiment, when it is in initial safe state, the first blind hole on body 8 803 align with the 3rd blind hole 106 on the lower surface of rotor 1, and the second blind hole 804 and the pin hole 107 on the lower surface of rotor 1 are right Just, i.e. the inertia cylinder 301 of inertial elements part 3 is embedded in the 3rd blind hole 106, and the insertion first of inertial spring 302 of the other end is blind In hole 803, as the level of safety of interrupter, and the pin 901 of memorial alloy pin removal 9 is embedded in pin hole 107, as Rotor 1 is locked in the home position of safe condition, drive division by the other level of safety of interrupter, two-stage insurance collective effect Part 2 can not drive rotor 1 to rotate, and now, pass fiery part 4 away from detonation transmission part 7, even if passing the fiery accidental action of part 4, also will not Detonation transmission part 7 is ignited, fully ensures that the security of fuze mechanism；When fuze mechanism is transformed into arm-to-arm by safe condition, When i.e. interrupter experiences lasting environment overload, the inertia cylinder 301 of inertial elements part 3 is under sustained overload effect, compression Inertial spring 302 is moved, and inertia cylinder 301 departs from from the 3rd blind hole 106 of embedded rotor 1, and inertial elements part 3 is released to turning The constraint of son 1.Meanwhile control system assigns power supply instruction, the note of the bottom of memorial alloy sleeve 905 to memorial alloy pin removal 9 To recall step disappearance, relieve constraint of the memorial alloy sleeve 905 to pin 901, the compressive state of limit spring 902 releases, according to Recover elastic force by it to detach the latch ends of pin 901 from pin hole 107, release the locking to rotor 1.Now, rotor 1 exists Under the twisting resistance driving of the torsion spring 201 of driving part 2, arm-to-arm, in this course, drive division are rotated to by safe condition The driving force of torsion spring 201 of part 2 however required driving force, guide finger 6 play in this course when being rotate in place less than rotor 1 Guide effect and position-limiting action, ensure that rotor 1 can turn to correspondence position, and the position can be limited to.When fuze mechanism turns When changing to arm-to-arm, in ball pin hole 805 corresponding to the insertion of ball pin 501 of locking member 5, accordingly, memorial alloy pin removal 9 Deenergization, the first blind hole 803 now align with being used to house the pin hole 107 of pin 901 on the lower surface of original rotor 1, Then the inertia cylinder 301 of inertial elements part 3 is embedded in pin hole 107 to lock the arm-to-arm, i.e. the now He of locking member 5 Inertial elements part 3 carries out state locking to the interrupter under arm-to-arm.Further, the biography fire part under arm-to-arm 4 align with detonation transmission part 7, when primary priming system acts on, ignite and pass fiery part 4, then ignite detonation transmission part 7, be finally completed The ignition of whole priming system.

As it will be easily appreciated by one skilled in the art that preferred embodiment of the present utility model is the foregoing is only, not To limit the utility model, any modification of all made within spirit of the present utility model and principle, equivalent substitution and change Enter, should be included within the scope of protection of the utility model.

Claims (6)

1. a kind of memorial alloy locks compound constraint formula interrupter, including center is provided with the body (8) of rotor hole (801), And can the rotor (1) that rotates of opposing body (8) in coaxial sleeve insertion rotor hole (801), it is characterised in that

The end face of respective rotor (1) offers the second blind hole for housing memorial alloy pin removal (9) on the body (8) (804) latch ends, for locking member under arm-to-arm (5) are accommodating wherein to lock the ball pin hole (805) of the arm-to-arm, And for housing the propagation of explosion hole (808) of detonation transmission part (7)；

Offered on the rotor (1) for the accommodating flash hole (103) for passing fiery part (4), for housing the locking member (5) the 4th blind hole (104) and corresponding with second blind hole (804) in the secure state it is used for memorial alloy pin removal (9) latch ends are inserted to lock the pin hole of the safe condition (107).

2. memorial alloy according to claim 1 locks compound constraint formula interrupter, wherein, opened up on the rotor (1) There is arc groove (1010), for turning to the rotation that arm-to-arm is oriented to and limits rotor (1) from safe condition for rotor (1) Angle.

3. memorial alloy according to claim 2 locks compound constraint formula interrupter, wherein, the arc on cross section The angle that the line at groove (1010) both ends and rotor hole (801) center is formed is converted to rotor (1) from safe condition to be treated The angle that need to be rotated during hair-like state is identical.

4. the memorial alloy according to Claims 2 or 3 locks compound constraint formula interrupter, wherein, the arc is recessed Angle between groove (1010) both ends and rotor (1) axis is 75 °~135 °.

5. memorial alloy according to claim 1 or 2 locks compound constraint formula interrupter, wherein, the sticking department Part (5) includes being in the Lock spring (502) of compressive state under safe condition and for inserting the ball pin under arm-to-arm Hole (805) is to lock the ball pin of the arm-to-arm (501).

6. memorial alloy according to claim 1 or 2 locks compound constraint formula interrupter, wherein, the memory is closed Golden pin removal (9) includes pin (901), limit spring (902), pressure spiral shell (903), housing (904) and memorial alloy sleeve (905)；

The pin (901) is T-shaped structure, and its front end is the latch ends of the memorial alloy pin removal (9), the limit spring (902) it is set in the latch ends；

Step groove is offered on one side end face of the housing (904), its exit is offered the pressure spiral shell of through hole by middle part (903) encapsulate, step groove is equipped with the memorial alloy sleeve (905), the pin in original state successively from bottom to top Sub (901), the limit spring (902), and the memorial alloy sleeve (905) is placed on the ladder in step groove, under it Fang Liuyou can house the hollow space of pin (901) rear end；

The memorial alloy sleeve (905) is hollow sleeve tubular, and the pin (901) and limit spring (902) are placed in sleeve It is interior, and the bottom of the memorial alloy sleeve (905) is provided with for limiting the pin (901) position in an initial condition Remember step.