CN204694158U - Mortar emitter - Google Patents
Mortar emitter Download PDFInfo
- Publication number
- CN204694158U CN204694158U CN201520408832.7U CN201520408832U CN204694158U CN 204694158 U CN204694158 U CN 204694158U CN 201520408832 U CN201520408832 U CN 201520408832U CN 204694158 U CN204694158 U CN 204694158U
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- CN
- China
- Prior art keywords
- breech
- mortar
- elastic component
- axle sleeve
- row pore
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- 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.)
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Abstract
The utility model discloses a kind of mortar emitter, comprise breech, elastic component, closeouts and there is the tubular barrel of bore, described breech is arranged on one end of barrel, and described breech is provided with the firing pin being positioned at bore, described closeouts comprises axle sleeve and is arranged on the convex shoulder outside axle sleeve, described axle sleeve is set in outside firing pin, the first end of described elastic component is connected in closeouts, second end is connected on breech, described breech is provided with at least one first row pore, when described elastic component in a state of nature time, described first row pore is communicated with bore, when described elastic component is compressed, described convex shoulder is by the shutoff of first row pore.This mortar emitter, can ensure that mortar projectile reliably glides, and air, under the prerequisite that the first row pore breech is discharged, can adopt more closely spaced barrel internal diameter, thus can improve shell initial velocity, increase range, effectively improve fire accuracy simultaneously.
Description
Technical field
The utility model relates to drop fire mortar design and manufacturing technology field, particularly a kind of mortar emitter.
Background technology
As shown in Figure 1, traditional mortar, shell loads from gun muzzle, and then shell relies on self gravitation to glide in barrel and clashes into bottom firing pin and realizes getting angry, and shell is launched the gas produced and discharged from gun muzzle.The gas be extruded in bore when gliding for making shell flows out smoothly and don't affects the gliding speed of shell, just must leave gap between shell and thorax wall, and that is shell diameter is less than barrel internal diameter, and this is the condition of gun muzzle filling shell necessity.
Air below shell upwards need be discharged from the gap between shell and thorax wall, so gun muzzle filling flying pig from be loaded into slide to breech percussion need the regular hour, reduce the firing rate of mortar, this time is directly proportional to the gap length between shell and thorax wall.
Due to the existence in gap, when shell is launched, powder gases also will leak in a large number, and its amount of releasing can reach the 10-15% of powder gases total amount, and its result makes gun pressure reduce, and causes shell muzzle velocity to reduce.Gap is larger, and the powder gases amount of releasing is larger, and the capacity usage ratio of propellant is lower.
The existence in gap also have impact on the centering of shell in thorax, the shell after pulling the trigger can be swung when moving along barrel, and the powder gases amount of leakage often sending out bullet is inconsistent, causes initial velocity to scatter, thus causes shell fire accuracy to reduce.
In sum, the gap between shell and thorax wall is large, and the firing rate of shell improves, but shell initial velocity reduces, fire accuracy reduces; Gap between shell and thorax wall is little, and shell initial velocity improves, fire accuracy improves, but the firing rate of mortar reduces, and even because shell gliding speed is inadequate, firing power may be caused not enough and cause misfire.
Utility model content
Based on this, the utility model is the defect overcoming prior art, provides a kind of mortar emitter, can improve the initial velocity of flying pig, firing rate and fire accuracy.
Its technical scheme is as follows:
A kind of mortar emitter, comprise breech, elastic component, closeouts and there is the tubular barrel of bore, described breech is arranged on one end of barrel, and described breech is provided with the firing pin being positioned at bore, described closeouts comprises axle sleeve and is arranged on the convex shoulder outside axle sleeve, described axle sleeve is set in outside firing pin, the first end of described elastic component is connected in closeouts, second end is connected on breech, described breech is provided with at least one first row pore, when described elastic component in a state of nature time, described first row pore is communicated with bore; When described elastic component is compressed, described convex shoulder is by the shutoff of first row pore.
Wherein in an embodiment, be provided with installation cavity in described breech, described axle sleeve is arranged in this installation cavity, and the first end of described elastic component is connected on axle sleeve, and the second end is connected on the diapire of installation cavity.
Wherein in an embodiment, the bottom of described axle sleeve is provided with elastic component locating hole, and the first end of described elastic component is inlaid in this elastic component locating hole.
Wherein in an embodiment, be provided with the shoulder hole mated with firing pin in described axle sleeve, this shoulder hole has step surface, and described firing pin is through the bottom being fixed on installation cavity after shoulder hole, and described firing pin is also arranged with the locating part mated with this step surface outward.
Wherein in an embodiment, described breech is also provided with the second row pore be communicated with installation cavity, described second row pore is at least one.
Wherein in an embodiment, described mortar emitter also comprises swollen tire, and described swollen tire is set between axle sleeve and firing pin.
Wherein in an embodiment, the contact surface of described convex shoulder and breech is taper seat.
Wherein in an embodiment, described elastic component is spring.
Wherein in an embodiment, described convex shoulder is provided with the location division for shell location.
Wherein in an embodiment, described breech and barrel are removably connected by screw thread.
Below the advantage of preceding solution or principle are described:
Above-mentioned mortar emitter, breech place offers at least one first row pore, when loading, shell slips in bore, now elastic component in a state of nature, first row pore and bore keep being communicated with, and the air be extruded in bore is discharged smoothly from first row pore, make the more traditional mortar of shell gliding speed fast; When shell slips down to bottom, shell clashes into closeouts, and convex shoulder is moved down, and elastic component is compressed, and now first row pore is by shutoff, and shell touches mutually with firing pin simultaneously, and the basic pencil fire in a stove before fuel is added of percussion shell, ignite gunpowder.When bore gone out by shell, powder gas promotes shell motion on the one hand, and another utility model acts on closeouts, makes convex shoulder and breech fit tightly further and shutoff first row pore, prevents powder gas from leaking.After shell flies out barrel, the gas pressure in bore reduces rapidly, and elastic component returns to reset condition, and first row pore is communicated with bore again, completes and once launches circulation.This mortar emitter, can ensure that mortar projectile reliably glides, and air, under the prerequisite that the first row pore breech is discharged, can adopt more closely spaced barrel internal diameter, thus can improve shell initial velocity, increase range, effectively improve fire accuracy simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of the mortar emitter of traditional mortar;
Fig. 2 is the structural representation of the mortar emitter described in the utility model embodiment;
Fig. 3 is the view of the mortar emitter (before shell percussion) described in the utility model embodiment;
Fig. 4 is the view of the mortar emitter (during shell percussion) described in the utility model embodiment;
Fig. 5 is the view of the mortar emitter (after shell percussion) described in the utility model embodiment.
Description of reference numerals:
1, barrel, 2, breech, 3, elastic component, 4, closeouts, 5, firing pin, 6, swollen tire, 20, first row pore, 21, installation cavity, 22, second row pore, 40, axle sleeve, 41, convex shoulder, 51, locating part, 400, elastic component locating hole, 401, shoulder hole, 410, location division.
Detailed description of the invention
Below embodiment of the present utility model is described in detail:
As Fig. 2, shown in 3 (direction of arrow is gas discharge direction), mortar emitter described in the present embodiment, comprise breech 2, elastic component 3, closeouts 4 and there is the tubular barrel 1 of bore, described breech 2 is arranged on one end of barrel 1, and described breech 2 is provided with the firing pin 5 being positioned at bore, described closeouts 4 comprises axle sleeve 40 and is arranged on the convex shoulder 41 outside axle sleeve 40, described axle sleeve 40 is set in outside firing pin 5, the first end of described elastic component 3 is connected in closeouts 4, second end is connected on breech 2, described breech 2 is provided with at least one first row pore 20, and (first row pore 20 is two in the present embodiment, two first row pores 20 are arranged on the position of close convex shoulder), when described elastic component 3 in a state of nature time, described first row pore 20 is communicated with bore, when described elastic component 3 is by compression, described convex shoulder 41 is by first row pore 20 shutoff.Above-mentioned mortar emitter, breech 2 place offers at least one first row pore 20, when loading, shell slips in bore, now elastic component 3 in a state of nature, first row pore 20 and bore keep being communicated with, and the air be extruded in bore is discharged smoothly from first row pore 20, make the more traditional mortar of shell gliding speed fast; When shell slips down to bottom, shell clashes into closeouts 4, and convex shoulder 41 is moved down, and elastic component 3 is compressed, and now first row pore 20 is by shutoff, and shell touches mutually with firing pin 5 simultaneously, and the basic pencil fire in a stove before fuel is added of percussion shell, ignite gunpowder.When bore gone out by shell, powder gas promotes shell motion on the one hand, and another utility model acts on closeouts 4, makes convex shoulder 41 and breech 2 fit tightly and shutoff first row pore 20 further, prevents powder gas from leaking.After shell flies out barrel 1, the gas pressure in bore reduces rapidly, and elastic component 3 returns to reset condition, and first row pore 20 is communicated with bore again, completes and once launches circulation.This mortar emitter, can ensure that mortar projectile reliably glides, air, under the prerequisite that the first row pore 20 breech 2 is discharged, can adopt more closely spaced barrel 1 internal diameter, thus can improve shell initial velocity, increase range, effectively improve fire accuracy simultaneously.
As shown in Figure 3, installation cavity 21 is provided with in described breech 2, described axle sleeve 40 is arranged in this installation cavity 21, the first end of described elastic component 3 is connected on axle sleeve 40, second end is connected on the diapire of installation cavity 21, coordinated with installation cavity 21 by axle sleeve 40, closeouts 4 is located reliably, avoids closeouts 4 to occur the situation of waving.
As shown in Figure 4, the bottom of described axle sleeve 40 is provided with elastic component locating hole 400, and the first end of described elastic component 3 is inlaid in this elastic component locating hole 400, by coordinating of elastic component 3 and elastic component locating hole 400, elastic component 3 is located reliably, prevents elastic component 3 and closeouts 4 from departing from.Be provided with the shoulder hole 401 mated with firing pin 5 in described axle sleeve 40, this shoulder hole 401 has step surface, and described firing pin 5 is through the bottom being fixed on installation cavity 21 after shoulder hole 401, and described firing pin 5 is outer is also arranged with the locating part 51 mated with this step surface.When mounted, be first placed in installation cavity 21 by elastic component 3, then axle sleeve 40 is enclosed within elastic component 3 outer and fill in installation cavity 21, finally firing pin 5 inserted shoulder hole 401 and fixed by the screwed hole bottom installation cavity 21, whole assembling process is simple and convenient.Locating part 51 also plays the effect that restriction closeouts moves axially stroke simultaneously, and the locating part 51 adopted in the present embodiment is stop nut.
In the present embodiment, described breech 2 is also provided with the second row pore 22 be communicated with installation cavity 21, described second row pore 22 is at least one (second row pore 22 is two in the present embodiment, and two second row pores 22 are arranged on the position of close elastic component).When shell slips into bore, the air be extruded can be discharged from first row pore 20 and second row pore 22 simultaneously, increases the gliding speed of shell further.
Preferably, the mortar emitter described in the present embodiment also comprises swollen tire 6, and described swollen tire 6 is arranged on the position between axle sleeve 40 and firing pin 5.Swollen tire 6 is after shell percussion, and radial elastic deformation occurs the gaseous-pressure being subject to gunpowder, thus is blocked by shoulder hole 401, avoids powder gas to leak from second row pore 22, also avoids elastic component 3 by powder gas ablation simultaneously.
As shown in Figure 3, described convex shoulder 41 is taper seat with the contact surface of breech 2, and gas is discharged smooth and easy, and after shell percussion, convex shoulder 41 and breech 2 is fitted closely, and the sealing effectiveness of first row pore 20 is better.In the present embodiment, described elastic component 3 is spring, and spring is standard component, durable reliable and replacement convenient, in other embodiments, also can use as having flexible sleeve etc. as elastic component 3.
As shown in Figure 4,5, described convex shoulder 41 is provided with the location division 410 for shell location, by location division 410, shell is effectively contacted with closeouts 4, contributes to shell and promotes closeouts 4.Described breech 2 and barrel 1 are removably connected by screw thread, safeguard and renewal part more convenient.Owing to only improving for mortar emitter, therefore the shell of mortar, gun carriage, end metal plate, sighting device and annex etc. all do not need to change, and can directly use.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this description is recorded.
The above embodiment only have expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (10)
1. a mortar emitter, it is characterized in that, comprise breech, elastic component, closeouts and there is the tubular barrel of bore, described breech is arranged on one end of barrel, and described breech is provided with the firing pin being positioned at bore, described closeouts comprises axle sleeve and is arranged on the convex shoulder outside axle sleeve, described axle sleeve is set in outside firing pin, the first end of described elastic component is connected in closeouts, second end is connected on breech, described breech is provided with at least one first row pore, when described elastic component in a state of nature time, described first row pore is communicated with bore, when described elastic component is compressed, described convex shoulder is by the shutoff of first row pore.
2. mortar emitter according to claim 1, is characterized in that, is provided with installation cavity in described breech, and described axle sleeve is arranged in this installation cavity, and the first end of described elastic component is connected on axle sleeve, and the second end is connected on the diapire of installation cavity.
3. mortar emitter according to claim 2, is characterized in that, the bottom of described axle sleeve is provided with elastic component locating hole, and the first end of described elastic component is inlaid in this elastic component locating hole.
4. mortar emitter according to claim 2, it is characterized in that, the shoulder hole mated with firing pin is provided with in described axle sleeve, this shoulder hole has step surface, described firing pin is through the bottom being fixed on installation cavity after shoulder hole, and described firing pin is also arranged with the locating part mated with this step surface outward.
5. the mortar emitter according to any one of claim 2-4, is characterized in that, described breech is also provided with the second row pore be communicated with installation cavity, and described second row pore is at least one.
6. mortar emitter according to claim 5, is characterized in that, also comprises swollen tire, and described swollen tire is set between axle sleeve and firing pin.
7. mortar emitter according to claim 5, is characterized in that, the contact surface of described convex shoulder and breech is taper seat.
8. mortar emitter according to claim 5, is characterized in that, described elastic component is spring.
9. mortar emitter according to claim 5, is characterized in that, described convex shoulder is provided with the location division for shell location.
10. mortar emitter according to claim 5, is characterized in that, described breech and barrel are removably connected by screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520408832.7U CN204694158U (en) | 2015-06-12 | 2015-06-12 | Mortar emitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520408832.7U CN204694158U (en) | 2015-06-12 | 2015-06-12 | Mortar emitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204694158U true CN204694158U (en) | 2015-10-07 |
Family
ID=54234436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520408832.7U Expired - Fee Related CN204694158U (en) | 2015-06-12 | 2015-06-12 | Mortar emitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204694158U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104930916A (en) * | 2015-06-12 | 2015-09-23 | 广州铁路职业技术学院 | Mortar launching device |
-
2015
- 2015-06-12 CN CN201520408832.7U patent/CN204694158U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104930916A (en) * | 2015-06-12 | 2015-09-23 | 广州铁路职业技术学院 | Mortar launching device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151007 Termination date: 20180612 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |