CN208669457U - A kind of solid propellant rocket - Google Patents
A kind of solid propellant rocket Download PDFInfo
- Publication number
- CN208669457U CN208669457U CN201822130507.5U CN201822130507U CN208669457U CN 208669457 U CN208669457 U CN 208669457U CN 201822130507 U CN201822130507 U CN 201822130507U CN 208669457 U CN208669457 U CN 208669457U
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- Prior art keywords
- igniter
- outer casing
- combustor outer
- powder column
- screw thread
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Abstract
The utility model discloses a kind of solid propellant rocket, including combustor outer casing, the combustor outer casing it is closed at one end, the other end is provided with jet pipe；The jet pipe includes converging portion, throat and expansion segment；Blanking cover is bonded on the expansion segment of the jet pipe；It is provided with the cylindrical powder column of annulus in the combustor outer casing, thermal insulation layer is provided between the powder column and combustor outer casing, the closed end of the combustor outer casing is provided centrally with igniter, and the igniter protrudes into the powder column hole of the powder column.The solid propellant rocket of the utility model uses annulus cylindricality powder column, and powder column radially burns, have the characteristics that be quick on the draw, burn it is rapid.
Description
Technical field
The utility model relates to solid propellant rocket fields, and in particular to a kind of solid propellant rocket.
Background technique
Millisecond working time solid propellant rocket is a kind of single chamber list trust engine, and predominantly system provides instantaneous
Millisecond thrust makes system obtain instantaneous momentum, achievees the purpose that adjust posture.Its structure is mainly generally using conventional
Jet pipe, front igniting, the interior adherent cast grain of pass.The solid propellant rocket working time is extremely short, generally 20ms extremely
100ms, shape are annulus cylindricality, and length is not more than 80mm, and outer diameter is not more than 40mm.Therefore, design difficulty is very big, especially
How Microsecond grade igniting starting is met, and the working time meets Millisecond, it is ensured that solid propellant rocket reliably working.
Utility model content
In order to solve the above technical problems, the main purpose of the utility model is to provide a kind of solid propellant rocket, this is solid
Body rocket engine uses annulus cylindricality powder column, and igniter is arranged in the powder column hole of powder column, powder column radial combustion, burn rate
It is high.
In order to achieve the above object, the utility model is resolved using following technical scheme.
A kind of solid propellant rocket, including combustor outer casing, closed at one end, the other end setting of the combustor outer casing
There is jet pipe；The jet pipe includes converging portion, throat and expansion segment；Blanking cover is bonded on the expansion segment of the jet pipe；The burning
It is provided with the cylindrical powder column of annulus in chamber enclosure, thermal insulation layer, the combustion chamber are provided between the powder column and combustor outer casing
The closed end of shell is provided centrally with igniter, and the igniter protrudes into the powder column hole of the powder column.
Further, the outer wall of the jet pipe is provided with external screw thread, and the combustor outer casing is provided with the outer spiral shell with jet pipe
The matched internal screw thread of line, is threadedly coupled between the jet pipe and the combustor outer casing.
Further, the combustor outer casing closed end is provided centrally with igniter mounting hole, the igniter installation
Hole is provided with internal screw thread；The igniter is provided with and the matched external screw thread of the internal screw thread of igniter mounting hole, the igniter
It is threadedly coupled between the combustor outer casing.
Further, the igniter includes draw pin, electric igniter, igniter shell and inside igniter shell
Ignition charge；It is provided on the igniter shell and the matched external screw thread of the internal screw thread of igniter mounting hole；The electric igniter
It is electrically connected with draw pin, electric igniter is set in igniter shell, and the draw pin is pierced by the igniter shell.
Further, slenderness ratio >=2 of the combustor outer casing.
The utility model solid propellant rocket uses annulus cylindricality powder column, and powder column radially burns, have be quick on the draw,
It burns rapid feature.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the diagrammatic cross-section of the utility model solid propellant rocket；
Fig. 2 is the partial enlarged view in Fig. 1 at A.
In figure: 1 combustor outer casing；11 igniter mounting holes；2 jet pipes；21 converging portions；22 throats；23 expansion segments；3 blanking covers；
4 powder columns；41 powder column holes；5 thermal insulation layers；6 igniters；61 draw pins；62 electric igniters；63 igniter shells；64 ignition charges.
Specific embodiment
It is understandable in order to enable the above objects, features, and advantages of the utility model to become apparent, it is right with reference to the accompanying drawing
Specific embodiment of the present utility model is described in detail.
Elaborate detail in the following description in order to fully understand the utility model.But the utility model can
It is different from other way described herein with a variety of and implements, those skilled in the art can be without prejudice to the utility model connotation
In the case where do similar popularization.Therefore the utility model is not limited by following public specific embodiment.
With reference to Fig. 1, a kind of solid propellant rocket, including combustor outer casing 1, the combustor outer casing 1 it is closed at one end,
The other end is provided with jet pipe 2；The jet pipe 2 includes converging portion 21, throat 22 and expansion segment 23；The expansion segment 23 of the jet pipe 2
On be bonded with blanking cover 3；Be provided with the cylindrical powder column 4 of annulus in the combustor outer casing 1, the powder column 4 and combustor outer casing 1 it
Between be provided with thermal insulation layer 5, the closed end of the combustor outer casing 1 is provided centrally with igniter 6, and the igniter 6 protrudes into institute
It states in the powder column hole 41 of powder column 4.
In above embodiments, it is equipped with igniter 6 in the cylindrical powder column 4 of annulus, after igniter 6 is lighted a fire, flame is filled with
Point type igniting form is converted face formula igniting form by the powder column hole 41 of circular ring shape powder column 4.Therefore, 4 burn rate of powder column is high, pushes
Power is big.
Further, the outer wall of the jet pipe 2 is provided with external screw thread, and the combustor outer casing 1 is provided with outer with jet pipe 2
Screw thread matched internal screw thread is threadedly coupled between the jet pipe 2 and the combustor outer casing 1.
In above embodiments, jet pipe 2 is to be threadedly coupled with the connection type of combustor outer casing 1, easy to process, assembling and dimension
It repairs.
Further, 1 closed end of combustor outer casing is provided centrally with igniter mounting hole 11, the igniter peace
Dress hole 11 is provided with internal screw thread；The igniter 6 be provided with the matched external screw thread of the internal screw thread of igniter mounting hole 11, it is described
It is threadedly coupled between igniter 6 and the combustor outer casing 1.
In above embodiments, igniter 6 is also used with combustor outer casing 1 and is threadedly coupled, easy to process, assembling and maintenance.
Further, with reference to Fig. 2, the igniter 6 includes draw pin 61, electric igniter 62, igniter shell 63 and is mounted in
The ignition charge 64 of 63 the inside of igniter shell；The internal screw thread with igniter mounting hole 11 is provided on the igniter shell 63
The external screw thread matched；The electric igniter 62 is electrically connected with draw pin 61, and electric igniter 62 is set in igniter shell 63, described to draw
Needle 61 is pierced by the igniter shell 63.
In above embodiments, Semiconductor Bridge Ignition device 6 is specifically used, the electric igniter 62 of igniter 6 is located at powder column hole 41
Interior, the draw pin 61 of igniter 6 stretches out igniter shell 63.
Further, slenderness ratio >=2 of the combustor outer casing 1.In one of the present embodiment specific embodiment, combustion
The length for burning chamber enclosure 1 is not more than 80mm, and diameter is not more than 40mm, thus be installed in the slenderness ratio of powder column 4 therein also close to
In 2, since powder column 4 is that annulus is cylindrical, middle part is provided with powder column hole 41, the center-diameter of the combustion chamber of powder column 4 from powder column hole 41
To burning, combustion front is big, therefore the powder column of same volume, and slenderness ratio big 4 burning time of powder column is short.Preferably, this reality
The powder column material for specifically using quick burning in example is applied, can be further improved the burn rate of powder column 4.
Although having made to retouch in detail to the utility model with a general description of the specific embodiments in this specification
It states, but on the basis of the utility model, it can be made some modifications or improvements, this is apparent to those skilled in the art
's.Therefore, these modifications or improvements on the basis of without departing from the utility model belong to the requires of the utility model guarantor
The range of shield.
Claims (5)
1. a kind of solid propellant rocket, which is characterized in that including combustor outer casing (1), one end of the combustor outer casing (1)
Closing, the other end are provided with jet pipe (2)；
The jet pipe (2) includes converging portion (21), throat (22) and expansion segment (23)；It is bonded on the expansion segment of the jet pipe (2)
There are blanking cover (3)；
It is provided with the cylindrical powder column of annulus (4) in the combustor outer casing (1), between the powder column (4) and combustor outer casing (1)
It is provided with thermal insulation layer (5), the closed end of the combustor outer casing (1) is provided centrally with igniter (6), the igniter (6)
It protrudes into the powder column hole (41) of the powder column (4).
2. solid propellant rocket according to claim 1, which is characterized in that the outer wall of the jet pipe (2) is provided with outer
Screw thread, the combustor outer casing (1) are provided with and the matched internal screw thread of external screw thread of jet pipe (2), the jet pipe (2) and the combustion
It burns and is threadedly coupled between chamber enclosure (1).
3. solid propellant rocket according to claim 1, which is characterized in that combustor outer casing (1) closed end
It is provided centrally with igniter mounting hole (11), the igniter mounting hole (11) is provided with internal screw thread；
The igniter (6) is provided with the matched external screw thread of internal screw thread with igniter mounting hole (11), the igniter (6) with
It is threadedly coupled between the combustor outer casing (1).
4. solid propellant rocket according to claim 1, which is characterized in that the igniter (6) include draw pin (61),
Electric igniter (62), igniter shell (63) and the ignition charge (64) inside igniter shell (63)；
The matched external screw thread of internal screw thread with igniter mounting hole (11) is provided on the igniter shell (63)；
The electric igniter (62) is electrically connected with draw pin (61), and electric igniter (62) is set in igniter shell (63), described
Draw pin (61) is pierced by the igniter shell (63).
5. solid propellant rocket according to claim 1, which is characterized in that the slenderness ratio of the combustor outer casing (1)
≥2。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822130507.5U CN208669457U (en) | 2018-12-19 | 2018-12-19 | A kind of solid propellant rocket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822130507.5U CN208669457U (en) | 2018-12-19 | 2018-12-19 | A kind of solid propellant rocket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208669457U true CN208669457U (en) | 2019-03-29 |
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ID=65820892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822130507.5U Active CN208669457U (en) | 2018-12-19 | 2018-12-19 | A kind of solid propellant rocket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208669457U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111502862A (en) * | 2020-04-29 | 2020-08-07 | 内蒙动力机械研究所 | Plug-in type low pass filter |
-
2018
- 2018-12-19 CN CN201822130507.5U patent/CN208669457U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111502862A (en) * | 2020-04-29 | 2020-08-07 | 内蒙动力机械研究所 | Plug-in type low pass filter |
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