CN208983941U - A kind of gas sealing structure of gas cylinder rifle - Google Patents
A kind of gas sealing structure of gas cylinder rifle Download PDFInfo
- Publication number
- CN208983941U CN208983941U CN201821311335.5U CN201821311335U CN208983941U CN 208983941 U CN208983941 U CN 208983941U CN 201821311335 U CN201821311335 U CN 201821311335U CN 208983941 U CN208983941 U CN 208983941U
- Authority
- CN
- China
- Prior art keywords
- gun barrel
- gas
- sealing structure
- ring seals
- push rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of gas sealing structures of gas cylinder rifle, including back seat, gun barrel, push rod and inflator, the left end of gun barrel is set to inside back seat, push rod includes left part, right part and the transition part for connecting left part and right part, the diameter of left part is greater than right part, the diameter of transition part gradually successively decreases from left to right, left end inside gun barrel is provided with outer tubaeform bullet mouth, the bottom of gun barrel is provided with air inlet, the right part of push rod is through in bullet mouth insertion gun barrel, and double O-ring seals are provided on right part, gas chamber is set to the inside of inflator, and the air inlet of gun barrel is connected to by snorkel, preceding O-ring seals and rear O-ring seals are additionally provided on the outside of gun barrel left end.The utility model not only simplifies sealing structure, and gas seal property can be made more stable.
Description
Technical field
The utility model belongs to firearms technical field, and in particular to a kind of gas sealing structure of gas cylinder rifle.
Background technique
As science continues to develop, manufacturing technology is constantly reformed, and the form of air gun is constantly to development in pluralism, performance requirement
It is the simple of higher precision, faster rifle speed and maintenance, since the rifle speed of gas cylinder rifle is higher, under limited gas storage, in order to
Possess more percussion numbers, the air chamber sealing of gas cylinder rifle is also just particularly important, the air chamber sealing of most of gas cylinder rifles
Ring structure is all used, this is also most simple and efficient measure under the prior art, however, the gas chamber of most of gas cylinder rifles is close
The structure of envelope is complex, leads to assemble cumbersome, inefficiency, and sealing performance is not very good.In consideration of it, it is necessary to biography
The gas sealing structure of system amount gas cylinder rifle makes improvement.
Summary of the invention
To solve the deficiencies in the prior art, the purpose of this utility model is to provide one kind to not only simplify sealing structure,
And the gas sealing structure for the gas cylinder rifle that gas seal property can be made more stable.
In order to achieve the above objectives, the utility model adopts the following technical solutions:
A kind of gas sealing structure of gas cylinder rifle, including back seat, gun barrel, push rod and inflator, after the left end of gun barrel is set to
Seat is internal, and push rod includes left part, right part and the transition part for connecting left part and right part, and the diameter of left part is greater than the right side
End, the diameter of transition part gradually successively decrease from left to right, and the left end inside gun barrel is provided with outer tubaeform bullet mouth, the bottom of gun barrel
It is provided with air inlet, the right part of push rod is inserted into gun barrel through bullet mouth, and double O-ring seals are provided on right part, and gas chamber is set
It is placed in the inside of inflator, and is connected to the air inlet of gun barrel by snorkel, is additionally provided with preceding O-ring seals on the outside of gun barrel left end
With rear O-ring seals.
Preferably, the angle between the top margin and bottom edge of aforementioned bullet mouth vertical section figure is greater than transition part vertical section figure
Angle between top margin and bottom edge, bullet mouth are open using low-angle, and rounding off, make to push away bullet more smooth, and are effectively prevented
Double O-ring seals are sheared damage, to play the role of protecting double O-ring seals.
More preferably, the angle between the top margin and bottom edge of foregoing transition portion vertical section figure is 25 °.
It is highly preferred that the angle between the top margin and bottom edge of aforementioned bullet mouth vertical section figure is 30 °.
It is further preferred that the minimum diameter of aforementioned bullet mouth is less than the outer diameter of push rod left part.
Specifically, aforementioned air inlet is set between preceding O-ring seals and rear O-ring seals, before and after the air inlet of gun barrel
Respectively install additional an O-ring seals, before both solving the problems, such as gas can the gap gas leakage between back seat and gun barrel, rifle can also be made
Assembly between pipe and back seat is closer.
Preferably, the top of aforementioned snorkel passes through inflator side wall and connects air inlet, the connection between snorkel and inflator
Place is provided with square seal ring, uses single quad seal coil structures, by the press-fitting in back seat assembling process, shuts out well
A possibility that gas is leaked from the assembly gap between back seat, inflator and gas chamber absolutely；And lacked guide sleeve than before, structure is more
Simply, so that handling and the maintenance in later period are more convenient.
The utility model has the beneficial effect that a kind of gas sealing structure of gas cylinder rifle of the utility model not only simplifies
Sealing structure, and can make the gas seal property more stable, efficient；Bullet mouth is open using low-angle, and rounding off, makes to push away bullet
It is more smooth, and effectively prevent double O-ring seals and be sheared damage, to play the role of protecting double O-ring seals；Gun barrel
Respectively install an O-ring seals before and after air inlet additional, gas can ask in gap gas leakage between back seat and gun barrel before both solving
Topic, can also make the assembly between gun barrel and back seat closer；Using single quad seal coil structures, gas is prevented well
A possibility that being leaked from the assembly gap between back seat, inflator and gas chamber, and lacked guide sleeve than before, structure is simpler, makes
It must load and unload and the maintenance in later period is more convenient.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the utility model；
Fig. 2 is the structure enlargement diagram in Fig. 1 at A；
Fig. 3 is the structural schematic diagram of push rod in the utility model.
The meaning of appended drawing reference in figure: 1, push rod, 2, double O-ring seals, 3, back seat, 4, gun barrel, 5, gas chamber, 6, rectangular close
Seal, 7, rear O-ring seals, 8, inflator, 9, preceding O-ring seals, 10, snorkel, 11, left part, 12, right part, 13, transition
Portion, 41, bullet mouth, 42, air inlet.
Specific embodiment
Specific introduce is made to the utility model below in conjunction with the drawings and specific embodiments.
Referring to Fig. 1,2 and 3, a kind of gas sealing structure of gas cylinder rifle of the utility model, including back seat 3, gun barrel 4, push away
Bar 1 and inflator 8, the left end of gun barrel 4 are set to inside back seat 3, and push rod 1 includes left part 11, right part 12 and connection left end
The transition part 13 in portion 11 and right part 12, the diameter of left part 11 are greater than right part 12, the diameter of transition part 13 from left to right by
Step is successively decreased, and the left end inside gun barrel 4 is provided with outer tubaeform bullet mouth 41, and the bottom of gun barrel 4 is provided with air inlet 42, push rod 1
Right part 12 is inserted into gun barrel 4 through bullet mouth 41, and double O-ring seals 2 are provided on right part 12, when high pressure gas enters
When in gun barrel 4, first O-ring seals can stop the gas close to 90%, and pressure weakens significantly, and second O shape is close
Seal can just be played the role of being fully sealed, and the more existing single sealing ring sealing structure of sealing performance, sealing performance is more preferable, rifle
Speed is more reliable and more stable.
The minimum diameter of bullet mouth 41 is less than the outer diameter of 1 left part 11 of push rod, the top margin of 41 vertical section figure of bullet mouth and bottom edge
Between angle (i.e. angle a) is greater than angle (the i.e. angle in Fig. 3 between the top margin and bottom edge of 13 vertical section figure of transition part in Fig. 2
B), bullet mouth 41 is open using low-angle, and rounding off, makes to push away bullet more smooth, and effectively prevents 2 quilt of double O-ring seals
Fail in shear, to play the role of protecting double O-ring seals 2.Preferably, the top margin of 13 vertical section figure of transition part and bottom edge
Between angle (i.e. angle b) is 25 ° in Fig. 3, angle between the top margin and bottom edge of 41 vertical section figure of bullet mouth (i.e. angle in Fig. 2
It a) is 30 °.
Preceding O-ring seals 9 and rear O-ring seals 7 are additionally provided on the outside of 4 left end of gun barrel, air inlet 42 is set to preceding O
Between shape sealing ring 9 and rear O-ring seals 7,42 front and back of air inlet of gun barrel 4 respectively installs an O-ring seals additional, both solves it
Preceding gas can also make the assembly between gun barrel 4 and back seat 3 closer between back seat 3 and gun barrel 4 the problem of the gas leakage of gap.
Gas chamber 5 is set to the inside of inflator 8, and the air inlet 42 of gun barrel 4, the top of snorkel 10 are connected to by snorkel 10
Portion passes through 8 side wall of inflator and connects air inlet 42, and the junction between snorkel 10 and inflator 8 is provided with square seal ring 6, uses
Single 6 structure of square seal ring by the press-fitting in 3 assembling process of back seat has prevented gas from back seat 3, inflator 8 well
And a possibility that being leaked in the assembly gap between gas chamber 5；And lacked guide sleeve than before, structure is simpler so that handling and
The maintenance in later period is more convenient.
A kind of gas sealing structure of gas cylinder rifle of the utility model not only simplifies sealing structure, can make air seal
Performance is more stable, efficient；Bullet mouth 41 is open using low-angle, and rounding off, makes to push away bullet more smooth, and is effectively prevented double
O-ring seals 2 are sheared damage, to play the role of protecting double O-ring seals 2；42 front and back of air inlet of gun barrel 4 is each to be installed additional
One O-ring seals, before both solving the problems, such as gas can the gap gas leakage between back seat 3 and gun barrel 4, gun barrel 4 can also be made
Assembly between back seat 3 is closer；Using single 6 structure of square seal ring, gas is prevented well from back seat 3, gas
A possibility that leaking in assembly gap between cylinder 8 and gas chamber 5, and lacked guide sleeve than before, structure is simpler so that handling with
And the maintenance in later period is more convenient；Push rod 1 uses Double seal ring sealing structure, 4 left end of gun barrel and push rod 1 can be made complete after upper bullet
It is hermetically sealed, it is air tight.
The basic principles and main features and advantage of the utility model have been shown and described above.The technical staff of the industry
It should be appreciated that above-described embodiment does not limit the utility model in any form, it is all by the way of equivalent substitution or equivalent transformation
Technical solution obtained, all falls in the protection scope of the utility model.
Claims (7)
1. a kind of gas sealing structure of gas cylinder rifle, including back seat, gun barrel, push rod and inflator, which is characterized in that the gun barrel
Left end is set to inside back seat, and the push rod includes left part, right part and the transition part for connecting left part and right part, institute
The diameter for stating left part is greater than right part, and the diameter of the transition part gradually successively decreases from left to right, the left end inside the gun barrel
It is provided with outer tubaeform bullet mouth, the bottom of gun barrel is provided with air inlet, and the right part of the push rod is inserted into gun barrel through bullet mouth, and
Double O-ring seals are provided on right part, the inflator is internally provided with gas chamber, and the gas chamber is connected to gun barrel by snorkel
Air inlet, be additionally provided with preceding O-ring seals and rear O-ring seals on the outside of the gun barrel left end.
2. a kind of gas sealing structure of gas cylinder rifle according to claim 1, which is characterized in that the bullet mouth vertical section figure
Angle between the top margin and bottom edge of shape is greater than the angle between the top margin and bottom edge of transition part vertical section figure.
3. a kind of gas sealing structure of gas cylinder rifle according to claim 2, which is characterized in that the transition part vertical section
Angle between the top margin and bottom edge of figure is 25 °.
4. a kind of gas sealing structure of gas cylinder rifle according to claim 2, which is characterized in that the bullet mouth vertical section figure
Angle between the top margin and bottom edge of shape is 30 °.
5. a kind of gas sealing structure of gas cylinder rifle according to claim 1, which is characterized in that in the minimum of the bullet mouth
Diameter is less than the outer diameter of push rod left part.
6. a kind of gas sealing structure of gas cylinder rifle according to claim 1, which is characterized in that the air inlet is set to
Between preceding O-ring seals and rear O-ring seals.
7. a kind of gas sealing structure of gas cylinder rifle according to claim 1, which is characterized in that the top of the snorkel
Air inlet is connected across inflator side wall, the junction between snorkel and inflator is provided with square seal ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821311335.5U CN208983941U (en) | 2018-08-15 | 2018-08-15 | A kind of gas sealing structure of gas cylinder rifle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821311335.5U CN208983941U (en) | 2018-08-15 | 2018-08-15 | A kind of gas sealing structure of gas cylinder rifle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208983941U true CN208983941U (en) | 2019-06-14 |
Family
ID=66781442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821311335.5U Expired - Fee Related CN208983941U (en) | 2018-08-15 | 2018-08-15 | A kind of gas sealing structure of gas cylinder rifle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208983941U (en) |
-
2018
- 2018-08-15 CN CN201821311335.5U patent/CN208983941U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190614 Termination date: 20210815 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |