CN207300042U

CN207300042U - Excitation component and grenade instrumentation

Info

Publication number: CN207300042U
Application number: CN201721361900.4U
Authority: CN
Inventors: 吴岳
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-10-20
Filing date: 2017-10-20
Publication date: 2018-05-01
Anticipated expiration: 2027-10-20

Abstract

A kind of excitation component and grenade instrumentation are the utility model is related to, the stimulation effect of excitation component existing in the prior art is poor, the technical problem of stability difference to solve.The excitation component includes accommodation space, excitation hole and the spray-hole of housing, setting on the housing, and the core assembly in the accommodation space；The core assembly includes spool and the resetting spring for being set in the spool periphery；Wherein, the excitation hole and the spray-hole are oppositely arranged along the length direction of the accommodation space, and the excitation hole and the spray-hole are connected with the accommodation space, and the described excitation one end of hole away from the spray-hole is provided with closeouts；The first end of the spool and the spray-hole air-tightness sliding plug, the second end of the spool and the excitation hole sliding plug；The first end of the resetting spring is connected with the first end of the spool, and the second end of the resetting spring is connected with the inner wall of the accommodation space.

Description

Excitation component and grenade instrumentation

Technical field

Projective technique field is the utility model is related to, more particularly, to a kind of excitation component and grenade instrumentation.

Background technology

Grenade instrumentation treats missile for projection, is usually used in military field.Grenade instrumentation is generally comprised to be waited to throw for installing The projection component of thing and the excitation component for exciting the projection component are penetrated, excitation component is tightly connected with projection component, excites Component excites projection component to be projected by high speed and high pressure medium.

Fig. 1 is the schematic diagram for the excitation component that correlation technique provides, as shown in Figure 1, correlation technique provides a kind of gas bullet Excitation component, which includes 1 ˊ of body and 2 ˊ of sleeve, 1 ˊ of the body that are telescopically socketed on 1 ˊ peripheries of body The air cavity for storing gas under certain pressure is inside provided with, the front end of 2 ˊ of sleeve is provided with the first hole, and the front end of 1 ˊ of body is set The second hole is equipped with, in the deflated condition, the front end of 2 ˊ of sleeve is in close contact with the front end of 1 ˊ of body, 3 ˊ of axial plug and the first hole Sliding plug coordinates, and the front end of 4 ˊ of a plunger valve coordinates with the second hole sliding plug, this axially fills in 3 ˊ close to 4 ˊ's of the plunger valve 5 ˊ of circular passage is provided with one end, 6 ˊ of an annular V shape groove is provided with the outer surface of 1 ˊ front ends of body, 6 ˊ of the V-shaped groove is formed A part for air cavity, is referred to as extended cavity.Under excited state, the part such as air cavity, the second hole, circular passage, extended cavity connects.Tool Body, once gas bullet is excited, plunger valve is moved into state as shown in Figure 1 backward, and the valve head of plunger valve is thus from cavity Recess, the second hole is opened, and gas passes sequentially through the second hole, circular passage and extended cavity from air cavity effusion, and causes body phase Start to move backward for sleeve, this movement starts to expand extended cavity, the extended cavity move backward with the continuation of body and Gradually expand, during being somebody's turn to do, axial plug is slided backward until it finally withdraws from from the first hole into such as completely through the first hole The state of Fig. 2, at this time gas discharged as extended cavity and ejected as any projectile entrained by gas bullet through the first hole.

There are following technical problem for above-mentioned correlation technique：

First, the design structure of the excitation component of above-mentioned gas bullet is complicated, and in the excitation process of excitation component, excited gas fortune Capable long flow path, due to there is friction and energy loss in flow, treats that gas reaches extended cavity and drives body relative to sleeve During movement, its pressure weakens, and stimulation effect reduces；Second, by the way of sleeve and body socket, and sleeve and body it Between air-tightness connect, then between sleeve and body there are certain resistance, when gas excites relative motion between sleeve and body When, energy loss is produced, stimulation effect reduces；Third, in excitation process, excited gas forms annular flow in circular passage Shape, in other words, the process that excited gas have passed through separation and merge in excitation process, gas produce turbulent flow, stimulation effect drop It is low.

To sum up, the stimulation effect of the excitation component for the gas bullet that correlation technique provides is poor, and stability is poor.

Utility model content

The purpose of this utility model is to provide a kind of excitation component, to solve excitation component existing in the prior art Stimulation effect is poor, the technical problem of stability difference.

The utility model provides a kind of excitation component, which includes housing, the receiving of setting on the housing Space, excitation hole and spray-hole, and the core assembly in the accommodation space；The core assembly includes spool and set It is located at the resetting spring of the spool periphery；Wherein,

The excitation hole and the spray-hole are oppositely arranged along the length direction of the accommodation space, the excitation hole and institute State spray-hole to be connected with the accommodation space, the described excitation one end of hole away from the spray-hole is provided with closeouts；

The first end of the spool and the spray-hole air-tightness sliding plug, the second end of the spool and the excitation Hole sliding plug；The first end of the resetting spring is connected with the first end of the spool, the second end of the resetting spring with The inner wall connection of the accommodation space.

Further as above-mentioned technical proposal is improved, and the core assembly further includes sealing-plug；

The first end of the sealing-plug and the spool is socketed, and the spool passes through the sealing-plug gas with the spray-hole Close property sliding plug.

Further as above-mentioned technical proposal is improved, and the sealing means of the sealing-plug are back pressure type sealing means.

Further as above-mentioned technical proposal is improved, and the core assembly further includes piston；

The second end of the piston and the spool is socketed, and the spool is slided by the piston with the excitation hole and inserted Connect.

Further as above-mentioned technical proposal is improved, and the periphery of the piston is trapezoidal shape, the small end of the piston Towards the excitation hole, the relatively big end of the piston is towards the spray-hole.

Further as above-mentioned technical proposal is improved, and the closeouts are metallic membrane.

Further as above-mentioned technical proposal is improved, and the housing includes main casing and the length direction phase along the main casing To the protecgulum and rear cover of setting；

The accommodation space is arranged on the main casing；

The spray-hole is arranged on the protecgulum；

It is described excitation hole be arranged on it is described after cover.

Excitation component provided by the utility model includes housing, the accommodation space being arranged on housing, excitation hole and injection Hole, and the core assembly in accommodation space；Core assembly includes spool and the resetting spring for being set in spool periphery；Its In, excite hole and spray-hole to be oppositely arranged along the length direction of accommodation space, excite hole and spray-hole to be connected with accommodation space, The excitation one end of hole away from spray-hole is provided with closeouts；The first end of spool and spray-hole air-tightness sliding plug, spool Second end and excitation hole sliding plug；The first end of resetting spring and the first end of spool connect, the second end of resetting spring with The inner wall connection of accommodation space.In use, compressed gas is injected by the spray-hole of housing, due to the first end and spray-hole of spool Between be air-tightness sliding plug, compressed gas promotes spool to be moved to the direction away from spray-hole, with the movement of spool, valve The first end of core leaves spray-hole, spray-hole conducting, and resetting spring is compressed to store elastic potential energy；Spray-hole turns on Afterwards, compressed gas enters accommodation space by spray-hole, due to being sliding plug, spool and excitation between spool and excitation hole There are minim gap, compressed gas between hole can be entered second end and the closure in excitation hole positioned at spool by the minim gap Region between part；After setting pressure value is inflated to, stop the injection of compressed gas, elastic potential of the spool in resetting spring Resetted under the driving of energy, under the double action of resetting spring and gas pressure, spool and jet port air-tightness grafting again, this When, the pressure of gas is equal with the gas pressure in excitation hole between the second end and closeouts of spool in accommodation space, The active force at spool both ends is equal.

During projection, the firing pin on grenade instrumentation destroys the closeouts for being used for blocking excitation hole, causes positioned at spool Gases at high pressure between second end and closeouts overflow, and the pressure in the region drastically declines.Due to the second end and envelope of spool Pressure drop between blocking piece, causes with the pressure differential outside accommodation space to increase severely in accommodation space, and spool is to the low one end of pressure Mobile, at this time, spool starts to move to the direction away from spray-hole, until spool departs from spray-hole and turns on spray-hole, accommodates Compressed gas in space is sprayed at a high speed by spray-hole, and promotion is projected thing and completes projection action.After projection, spool exists Resetted under the action of resetting spring, after the closeouts more renewed, can recharge compressed gas, so can Reusability.

The excitation component of the gas bullet provided compared to correlation technique, first, excitation component provided by the utility model is set Count it is simple in structure, in the excitation process of excitation component, excited gas operation flow it is short, gas reach spray-hole simultaneously start to spray When, the speed and pressure of gas are enough, and stimulation effect is good；Second, in use, make spray of the projection component directly with the excitation component One end of loophole is fixedly connected, and makes to be used to install on projection component to treat that the accommodating chamber of missile is connected with the jet port, then gas Directly driven after being sprayed by jet port and treat that missile projects, there is no obstruction power between excitation component and projection component, therefore swashed It is good to send out effect；Third, in excitation process, excited gas is sprayed in spray-hole in the form of spray post, and compressed gas exists The process remerged during flowing through without separation, there is no turbulent flow, but concentrates and flows and concentrate injection, therefore excites effect Fruit is good.

The another object of the utility model, which also resides in, provides a kind of grenade instrumentation, which includes projection component, with And excitation component as described above；

The projection component is connected with one end for being provided with jet port of the excitation component.

Further as above-mentioned technical proposal is improved, and the projection component includes the protective case with accommodating chamber, Yi Jishe Put the piston block that can be moved in the accommodating chamber and along the length direction of the accommodating chamber；

Under the excitation of the excitation component, the piston block can be moved along the length direction of the accommodating chamber with Driving treats that missile is projected by the accommodating chamber.

Further as above-mentioned technical proposal is improved, and the missile is liquid projection thing.

The beneficial effect of above-mentioned grenade instrumentation compared with the prior art, is same as above-mentioned excitation component compared with the prior art Beneficial effect, details are not described herein again.

Brief description of the drawings

, below will be right in order to illustrate more clearly of the utility model embodiment or technical solution of the prior art Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, describe below In attached drawing be the utility model some embodiments, for those of ordinary skill in the art, do not paying creativeness On the premise of work, other attached drawings can also be obtained according to these attached drawings.

Fig. 1 is the schematic diagram for the excitation component that correlation technique provides；

Fig. 2 is the explosive view one for the excitation component that the utility model embodiment provides；

Fig. 3 is the explosive view two for the excitation component that the utility model embodiment provides；

Fig. 4 is the explosive view for the core assembly that the utility model embodiment provides；

Fig. 5 is the schematic diagram one for the excitation component that the utility model embodiment provides；

Fig. 6 is the schematic diagram two for the excitation component that the utility model embodiment provides；

Fig. 7 is the schematic diagram three for the excitation component that the utility model embodiment provides；

Fig. 8 is the schematic diagram four for the excitation component that the utility model embodiment provides；

Fig. 9 is the broken away view for the grenade instrumentation that the utility model embodiment provides；

Figure 10 is the sectional view for the grenade instrumentation that one embodiment of the utility model provides；

Figure 11 is the sectional view for the grenade instrumentation that another embodiment of the utility model provides.

Reference numeral：

10- excitation components；20- projects component；11- housings；12- core assemblies；21- protective cases；22- accommodating chambers；23- pistons Block；111- accommodation spaces；112- main casings；113- protecgulums；114- rear covers；121- spools；122- resetting springs；123- sealing-plugs； 124- pistons.

Embodiment

The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model part of the embodiment, instead of all the embodiments.Based on the embodiment in the utility model, sheet Field those of ordinary skill all other embodiments obtained without making creative work, belong to this practicality Novel protected scope.

, it is necessary to explanation in the description of the utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular Directly ", the orientation of the instruction such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only Described for the ease of description the utility model and simplifying, rather than instruction or imply signified device or element must have it is specific Orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.In addition, term " the One ", " second ", " the 3rd " are only used for description purpose, and it is not intended that instruction or hint relative importance.

, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in the description of the utility model Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly Connection；Can mechanically connect or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition Concrete meaning of the language in the utility model.

Fig. 2 is the explosive view one for the excitation component that the utility model embodiment provides, and Fig. 3 carries for the utility model embodiment The explosive view two of the excitation component of confession, Fig. 4 are the explosive view for the core assembly that the utility model embodiment provides.

As shown in Figures 2 to 4, the excitation component 10 that the utility model embodiment provides include housing 11, be arranged on it is described Accommodation space 111, excitation hole and spray-hole on housing 11, and the core assembly 12 in the accommodation space 111；Institute Stating core assembly 12 includes spool 121 and the resetting spring 122 for being set in 121 periphery of spool；Wherein, it is described excitation hole and The spray-hole is oppositely arranged along the length direction of the accommodation space 111, it is described excitation hole and the spray-hole with it is described Accommodation space 111 connects, and the described excitation one end of hole away from the spray-hole is provided with closeouts；The first of the spool 121 End and the spray-hole air-tightness sliding plug, the second end of the spool 121 and the excitation hole sliding plug；The reset The first end of spring 122 is connected with the first end of the spool 121, and the second end of the resetting spring 122 accommodates sky with described Between 111 inner wall connection.

Fig. 5 is the schematic diagram one for the excitation component that the utility model embodiment provides, and Fig. 6 carries for the utility model embodiment The schematic diagram two of the excitation component of confession, Fig. 7 are the schematic diagram three for the excitation component that the utility model embodiment provides, and Fig. 8 is this The schematic diagram four for the excitation component that utility model embodiment provides.

As shown in Fig. 5 to Fig. 8, in use, compressed gas is injected by the spray-hole of housing, first end and spray due to spool It is air-tightness sliding plug between perforation, compressed gas promotes spool to be moved to the direction away from spray-hole, with the shifting of spool Dynamic, the first end of spool leaves spray-hole, spray-hole conducting, and resetting spring is compressed to store elastic potential energy；Spray-hole After conducting, compressed gas enters accommodation space by spray-hole, due to be sliding plug between spool and excitation hole, spool and Excite between hole there are minim gap, compressed gas can be entered by the minim gap in excitation hole positioned at spool second end with Region between closeouts；After setting pressure value is inflated to, stop the injection of compressed gas, bullet of the spool in resetting spring Resetted under the driving of property potential energy, under the double action of resetting spring and gas pressure, spool is inserted with jet port again air-tightness Connect, at this time, in accommodation space the pressure of gas and excitation hole in positioned at spool second end and closeouts between gas pressure Equal, the active force at spool both ends is equal.

Further as above-mentioned technical proposal is improved, and the core assembly 12 further includes sealing-plug 123；The sealing-plug 123 are socketed with the first end of the spool 121, and the spool 121 is slided with the spray-hole by 123 air-tightness of sealing-plug Dynamic grafting.Preferably, in the present embodiment, the sealing means of the sealing-plug 123 are back pressure type sealing means.

The excitation component of the prior art is sealed using simple plunger more, and the airtight effect of which is bad, sealing The service life of circle is short, and applicable gas pressure is mostly low pressure range.Compared with the prior art, the sealing of back pressure type sealing means Excellent, and the scope of suitable gas pressure is big, seal life is high.

Further as above-mentioned technical proposal is improved, and the core assembly 12 further includes piston 124；The piston 124 It is socketed with the second end of the spool 121, the spool 121 passes through 124 sliding plug of piston with the excitation hole.It is preferred that Ground, the periphery of the piston 124 are trapezoidal shape, the small end of the piston 124 towards the excitation hole, the piston 124 Compared with big end towards the spray-hole, in this way, the space between piston and closeouts is used to receive the gas from accommodation space Body, equivalent to one small gas chamber.

In the prior art, excitation component is exhausted using the bleeder valve of the striker impact afterbody of emitter more, The drawbacks of this mode, is：The seal life of bleeder valve is short, air seal effect is unstable, when stamping press is higher in body When, it is necessary to larger striker impact dynamics can realize excitation, be otherwise easy to cause bleeder valve and open not exclusively or can not excite, Its requirement and limitation to emitter is more., can not be rapidly by the small gas chamber of body also, the exhaust clearance of bleeder valve is smaller Gas emptying, cause main valve response speed slow, the gases at high pressure in body can not quick release, break out force difference.

The excitation component of the utility model embodiment is blocked using a metallic membrane structure, between diaphragm and excitation hole It is high using static seal mode, air seal effect stability, the service life of seal.During excitation, gold is punctured using a sharp firing pin Belong to diaphragm, the gas pressure effect explosion of lower moment of diaphragm inside housings, the gas moment of small gas chamber is emptied, spool is in gas The completion opening action that can be exceedingly fast under the action of pressure difference, the gas in quick release housing.The required firing pin of metallic membrane Dynamics it is small, and the pressure in firing pin dynamics and body is unrelated, the requirement to emitter and limits small, excites reliability It is high.

Above-mentioned housing 11 includes main casing 112 and the length direction protecgulum 113 and rear cover that are oppositely arranged along the main casing 112 114, the accommodation space 111 is arranged on the main casing 112, and the spray-hole is arranged on the protecgulum 113, the excitation Hole is arranged on the rear cover 114.

The structure of housing provided in this embodiment is simple, and protecgulum and rear cover pass through single seal or two with main casing respectively Seal air-tightness is threadedly coupled, its installation and removal is more convenient.

Fig. 9 is the broken away view for the grenade instrumentation that the utility model embodiment provides, and Figure 10 is one embodiment of the utility model The sectional view of the grenade instrumentation of offer, Figure 11 are the sectional view for the grenade instrumentation that another embodiment of the utility model provides.

As shown in Figures 9 to 11, the another object of the utility model, which also resides in, provides a kind of grenade instrumentation, the grenade instrumentation Including projecting component 20, and excitation component 10 as described above, the projection component 20 and the setting of the excitation component 10 The one end for having jet port connects.

As shown in Figure 10, the projection component 20 includes the protective case 21 with accommodating chamber 22, and is arranged on the receiving In chamber 22 and the piston block 23 that can be moved along the length direction of the accommodating chamber 22；In the excitation of the excitation component 10 Under, the piston block 23 can be moved along the length direction of the accommodating chamber 22 treats that missile is penetrated by the accommodating chamber 22 to drive Go out.

Specifically, projection component is threadedly coupled with excitation component air-tightness, and it can be diversified forms and design to project component, with Launch a variety of emitting substances of different nature, such as tear-gas liquid, rubber pellet, canister shot etc..Above-mentioned projection component is more suitable for tear-gas The transmitting of liquid.

It is filled with tear-gas liquid in accommodating chamber, the inner wall of piston block and accommodating chamber fits closely, in the effect of gases at high pressure The liquid in accommodating chamber is promoted when lower piston block is moved along the length direction of accommodating chamber, liquid breaks through the end cap positioned at projection component On seal, formed and high-speed jet and projected in the nozzle arranged on its end cap center.

As shown in figure 11, in other embodiment, projection component 20 can be bullet set, and the inside of bullet set can set bullet Ball, compressed gas is sprayed by the spray-hole of excitation component 10 promotes the bullet in bullet set to project forward.

Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited System；Although the utility model is described in detail with reference to foregoing embodiments, those of ordinary skill in the art should Understand：It can still modify the technical solution described in foregoing embodiments, either to which part or whole Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly The scope of each embodiment technical solution of type.

Claims

1. a kind of excitation component, it is characterised in that including accommodation space, excitation hole and the spray housing, setting on the housing Perforation, and the core assembly in the accommodation space；The core assembly includes spool and is set in outside the spool The resetting spring in week；Wherein,

The excitation hole and the spray-hole are oppositely arranged along the length direction of the accommodation space, the excitation hole and the spray Perforation is connected with the accommodation space, and the described excitation one end of hole away from the spray-hole is provided with closeouts；

The first end of the spool and the spray-hole air-tightness sliding plug, the second end of the spool are slided with the excitation hole Dynamic grafting；The first end of the resetting spring is connected with the first end of the spool, the second end of the resetting spring with it is described The inner wall connection of accommodation space.

2. excitation component according to claim 1, it is characterised in that the core assembly further includes sealing-plug；

The first end of the sealing-plug and the spool is socketed, and the spool passes through the sealing-plug air-tightness with the spray-hole Sliding plug.

3. excitation component according to claim 2, it is characterised in that the sealing means of the sealing-plug seal for back pressure type Mode.

4. excitation component according to claim 1, it is characterised in that the core assembly further includes piston；

The second end of the piston and the spool is socketed, and the spool passes through the piston sliding plug with the excitation hole.

5. excitation component according to claim 4, it is characterised in that the periphery of the piston is trapezoidal shape, the piston Small end towards the excitation hole, the relatively big end of the piston is towards the spray-hole.

6. excitation component according to claim 1, it is characterised in that the closeouts are metallic membrane.

7. excitation component according to claim 1, it is characterised in that the housing includes main casing and the length along the main casing The protecgulum and rear cover that degree direction is oppositely arranged；

The accommodation space is arranged on the main casing；

The spray-hole is arranged on the protecgulum；

It is described excitation hole be arranged on it is described after cover.

8. a kind of grenade instrumentation, including projection component, it is characterised in that further include as any one of claim 1-7 Excitation component；

9. grenade instrumentation according to claim 8, it is characterised in that the projection component includes the shield with accommodating chamber Shell, and it is arranged on the piston block that can be moved in the accommodating chamber and along the length direction of the accommodating chamber；

Under the excitation of the excitation component, the piston block can be moved along the length direction of the accommodating chamber to drive Treat that missile is projected by the accommodating chamber.

10. grenade instrumentation according to claim 9, it is characterised in that the missile is liquid projection thing.