CN209230406U - A kind of universal blank cartridge extractor-aid - Google Patents
A kind of universal blank cartridge extractor-aid Download PDFInfo
- Publication number
- CN209230406U CN209230406U CN201821930420.XU CN201821930420U CN209230406U CN 209230406 U CN209230406 U CN 209230406U CN 201821930420 U CN201821930420 U CN 201821930420U CN 209230406 U CN209230406 U CN 209230406U
- Authority
- CN
- China
- Prior art keywords
- cutting ferrule
- casing
- bamboo shoot
- slot
- blank cartridge
- 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.)
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- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 44
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 44
- 241001330002 Bambuseae Species 0.000 claims abstract description 44
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 44
- 239000011425 bamboo Substances 0.000 claims abstract description 44
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 4
- 238000011900 installation process Methods 0.000 abstract description 3
- 238000007592 spray painting technique Methods 0.000 abstract description 3
- 238000010304 firing Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 7
- 239000007789 gas Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000004323 axial length Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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Abstract
A kind of universal blank cartridge extractor-aid, its structural feature is, it is made of cutting ferrule, casing and plug, the internal diameter of cutting ferrule is matched with the outer diameter of foresight bed, design has through slot in the outer surface axial direction of cutting ferrule, and the end design of one end of cutting ferrule has the convex bamboo shoot of support of a circle evagination, and casing tube internal hole has the detent slot matched with the convex bamboo shoot of support, cutting ferrule realizes the connection with casing by supporting the detent slot on convex bamboo shoot and casing to screw；Casing is connected through a screw thread with plug.The utility model structure is simple, fixes reliable, simple installation, has stronger versatility, has a wide range of application.It is not necessarily to any specific purpose tool during the installation process, and original AK series rifle is changed smaller.It is smaller on gun operation influence using light-weight design, and using red spray painting, there is certain warning function, prevent the gun progress ball firing that will install blank cartridge extractor-aid.
Description
Technical field
The utility model patent is related to the muzzle expanding device in military, civilian rifle field, especially a kind of universal blank cartridge
Extractor-aid.
Background technique
For existing AK series rifle because model is inconsistent, there are, non-threaded two states for barrel muzzle, mating with it thus
The blank cartridge extractor-aid used also there are two types of, as the applicant apply: ZL2014204593139, ZL201620910547X,
It causes blank cartridge extractor-aid model more, causes to perplex to buying side's logistics support aspect.
Summary of the invention
The utility model aim is to solve the problems, such as above-mentioned blank cartridge extractor-aid that there are polytypics, provides one kind and is suitable for
The universal blank cartridge extractor-aid of each model rifle of AK series.
Technical solution used by the utility model is a kind of universal blank cartridge extractor-aid, and structural feature is, it
It is made of cutting ferrule, casing and plug, the internal diameter of cutting ferrule is matched with the outer diameter of foresight bed, and designing in the outer surface axial direction of cutting ferrule has
Through slot, the end design of one end of cutting ferrule have the convex bamboo shoot of support of a circle evagination, and casing tube internal hole has the card matched with the convex bamboo shoot of support
Position slot, cutting ferrule realize the connection with casing by supporting the detent slot on convex bamboo shoot and casing to screw；Casing and plug pass through screw thread
Connection.
Foresight bed outer diameter used in each model rifle of AK series is consistent, the utility model devise with outside foresight bed
The cutting ferrule and the cooperating therewith casing for fixed plug that diameter matches, after the engagement of both cutting ferrule, casing, by foresight bed
Top is snapped in downwards gun barrel, and fixes with foresight bed, fixes the utility model using the foresight bed of protrusion gun barrel, prevents this
Utility model flies out under the promotion of powder gases, versatile, and structure is simple, reliable performance.
There is spring washer between box face and the connecting end surface of plug.Spring washer have prevent plug loosen
Effect.
The width of the through slot is the 99% of foresight bed outer diameter.Due to being through slot, so that it is with certain elasticity,
Cutting ferrule can pass through foresight bed outer surface after opening, can encase gun barrel foresight bed again after fastening.
Be also devised with U-shaped recessing groove, card plane, front sight ring recessing groove, foresight bed body opening on cutting ferrule, U-shaped recessing groove with
The gun barrel position at foresight bed rear end position matches, and the card plane of front end is bonded with foresight bed rear end face, and front sight ring is stepped down
Slot position has the convex bamboo shoot recessing groove of support, square groove, guide groove, threaded hole and cutting ferrule hole, support in design on the opposite face of through slot, casing
Convex bamboo shoot recessing groove is located at the front end of convex bamboo shoot detent slot, and square groove is matched with front sight ring recessing groove, and guide groove is matched with through slot,
Threaded hole is matched with plug.The gun barrel position at U-shaped recessing groove and foresight bed rear end position cooperates, the card plane and standard of front end
The fitting of constellation rear end face effectively prevent cutting ferrule to gun barrel mouth movements, reaches detent effect.Square groove not only has front sight ring to allow
The effect of position, and have anti-rotation effect in the installation process of plug, it is more screwed together with guide groove in cutting ferrule and is installed on casing
It play the guiding role in the process.
The width of the star guard ring recessing groove is greater than front sight ring 1-2mm on foresight bed, protects the design with foresight
Circle interference.
The detent slot that casing tube internal hole has multiple tracks to match with the convex bamboo shoot of support.Since there is also not for the foresight bed of gun barrel front end
Same model, each model is main difference is that its axial length is different, and there are two types of different length at present, so the utility model
There are twice and end face difference wheelbase detent slot.
Plug is cylindricality, and trailing exterior surface is connection screw thread, and head is the socket cap greater than screw thread, and the design of tail portion center has
Centre bore, the end face design of centre bore have inner chamfer, and the design of head end center has venthole, and outlet bore dia is less than gun barrel
Hole, centre bore connect with venthole, and the diameter of centre bore is greater than venthole.Inner chamfer is bonded with gun barrel oral area outer chamfer, is prevented
Only powder gases spray backward.
There are multiple via holes in the design of plug head outer round surface, via hole is blind hole.The diameter of via hole leads to current
Accessory tool matches, and acts on via hole using the accessory tool being equipped with rifle to dismount plug.
2-8 via hole, is uniformly distributed along the circumference.
Foresight bed body opening diameter is greater than foresight pedestal diameter 0.5-1mm, supports convex bamboo shoot recessing groove and supports convex bamboo shoot lap
For 2-4mm.
Design has lightening hole on cutting ferrule, casing.In view of the use of firearms is based on light, use intensity is not being influenced
In the case where, design has lightening hole.
The utility model supports convex bamboo shoot in use first by cutting ferrule and casing coaxial placement, then by two on cutting ferrule
Respectively along the convex bamboo shoot recessing groove of support and guide groove insertion casing on casing, then according to the AK series rifle model installed
The convex bamboo shoot detent slot for selecting different positions, cutting ferrule, which is rotated by 90 °, makes to support convex bamboo shoot to screw in detent slot, forms casing and combines
Part covers on foresight bed followed by by cutting ferrule pipe engaging member along front sight ring from top to bottom, makes card plane and standard on cutting ferrule
Plug equipped with spring washer is finally combined with casing part connection by screw thread by the fitting of constellation rear end face, and in installed plug
It can be screwed in the process with the attachment that gun carry by via hole auxiliary, fit closely inner chamfer with muzzle outer chamfer.So far
This universal blank cartridge extractor-aid is installed.
The utility model structure is simple, fixes reliable, simple installation, has stronger versatility, has a wide range of application.Pacifying
Change without any specific purpose tool during dress and to original AK series rifle smaller.Using light-weight design, gun are operated
Influence is smaller, and using red spray painting, has certain warning function, prevents the gun progress live shell that will install blank cartridge extractor-aid
Shooting.
Detailed description of the invention
The explosion assembling schematic diagram of Fig. 1 the utility model
Structural representation Fig. 1 of Fig. 2 cutting ferrule
Structural representation Fig. 2 of Fig. 3 cutting ferrule
The structural schematic diagram of Fig. 4 casing
The structural schematic diagram of Fig. 5 spring washer
Structural representation Fig. 1 of Fig. 6 plug
Fig. 7 is structural representation Fig. 2 of plug
Fig. 8 is the utility model scheme of installation 1
Fig. 9 is the utility model scheme of installation 2
Wherein: 1 cutting ferrule, 11 13 front sight ring recessing groove of U-shaped 12 card plane of recessing groove, 14 foresight bed body opening 15 supports convex bamboo shoot
16 through slot, 2 casing 21 supports convex 22 26 cutting ferrule hole of convex bamboo shoot detent slot 23 square groove, 24 guide groove, 25 threaded hole of bamboo shoot recessing groove, 3 spring pad
Enclose 4 plug, 41 inner chamfer, 42 connection screw thread, 43 via hole, 44 venthole, 5 front sight ring.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawing
As shown in figs 1-9, a kind of universal blank cartridge extractor-aid is made of cutting ferrule 1, casing 2, spring washer 3 and plug 4,
The internal diameter of cutting ferrule is matched with the outer diameter of foresight bed, and designing in the outer surface axial direction of cutting ferrule has through slot 16, subject to the width of through slot
The 99% of constellation outer diameter, the end design of one end of cutting ferrule have the convex bamboo shoot 15 of the support of a circle evagination, and casing tube internal hole has and supports convex bamboo shoot
The detent slot 22 matched, cutting ferrule 1 realize the company with casing 2 by supporting the detent slot 22 on convex bamboo shoot 15 and casing 2 to screw
It connects；Casing 2 is connected through a screw thread with plug 4.There is spring washer 3 between box face and the connecting end surface of plug.This reality
With novel using red spray painting, there is certain warning function.
The details of each component:
As Figure 2-3, Fig. 3 is that Fig. 2 overturns 180 degree, and U-shaped recessing groove 11, card plane 12, standard are also devised on cutting ferrule 1
Star guard ring recessing groove 13, foresight bed body opening 14, the both ends of U-shaped recessing groove are straight plane, the arc surface of upper end, the internal diameter of arc surface
Greater than matched gun barrel diameter 0.5mm, the spacing of straight plane is less than matched gun barrel diameter 0.1mm, U-shaped resigning
The gun barrel position at slot 11 and foresight bed rear end position cooperates, and the card plane 12 of front end is bonded with foresight bed rear end face, effectively anti-
Only cutting ferrule 1 reaches detent effect to gun barrel mouth movements.Front sight ring recessing groove is one axially grooved, its width is greater than standard
Front sight ring 1-2mm on constellation has rotation stop effect to cutting ferrule 1 positioned at the opposite face of through slot 16.14 diameter of foresight bed body opening is big
In foresight pedestal diameter 0.5-1mm, supporting convex bamboo shoot recessing groove 21 and supporting convex 15 lap of bamboo shoot is 2-4mm.Foresight bed body opening 14
It is less than with the outer diameter difference of foresight pedestal and supports convex bamboo shoot recessing groove 21 and the lap for supporting convex bamboo shoot 15, can effectively prevent cutting ferrule 1
Deviate from from casing 2.
As shown in figure 4, design has the convex bamboo shoot recessing groove 21 of support, square groove 23, guide groove 24, threaded hole 25 and card on casing 2
Indicating number in sets of holes 26(figure), support convex bamboo shoot recessing groove to be located at the front end of convex bamboo shoot detent slot 22, square groove and front sight ring recessing groove
It matches, guide groove is matched with through slot, and threaded hole is matched with plug.Square groove is located at the top of front sight ring recessing groove, greatly
Detent slot small consistent with front sight ring recessing groove, that casing tube internal hole has multiple tracks to match with the convex bamboo shoot of support.It is twice detent in figure
Slot 22.
Square groove 23 not only plays the role of front sight ring resigning, and has anti-rotation effect in the installation process of plug 4, more
It play the guiding role during cutting ferrule 1 screws and is installed on casing 2 together with guide groove 24.
Design has lightening hole 17 on cutting ferrule 1, casing 2.In figure, cutting ferrule 1 has 6 lightening holes, there is 4 losss of weight on casing 2
Hole 17.
As shown in Figure 6,7, Fig. 7 is that Fig. 6 overturns 180 degree, and plug 4 is cylindricality, and trailing exterior surface is connection screw thread 42, head
For the socket cap greater than screw thread, center design has centre bore 45, and the end face design of tail portion centre bore has inner chamfer 41, head end
Center design has venthole 44, and 44 diameter of venthole is less than gun barrel hole, and centre bore connects with venthole, and the diameter of centre bore is big
In venthole.There is 2-8 via hole 43 in the design of plug head outer round surface, is uniformly distributed along the circumference, via hole is blind hole.Inner chamfer 41
It is bonded with gun barrel oral area outer chamfer, prevents powder gases from spraying backward；Accessory tool acts on via hole 43 and screws convenient for auxiliary.
As shown in figs 1-9, the specifically used process of the utility model are as follows:
First by cutting ferrule 1 and 2 coaxial placement of casing, then by the two convex bamboo shoot of support on cutting ferrule 1 respectively along the support on casing 2
Convex bamboo shoot recessing groove 21 and guide groove 24 are inserted into casing 2, select different positions then according to the AK series rifle model installed
Convex bamboo shoot detent slot 22, cutting ferrule 1, which is rotated by 90 °, makes to support convex bamboo shoot 15 to screw in convex bamboo shoot detent slot 22, formed casing engaging member, then
Then cutting ferrule pipe engaging member is covered on foresight bed from top to bottom along front sight ring 5, in the process by the detent on cutting ferrule 1
Face 12 is bonded with foresight bed rear end face, and the plug 4 equipped with spring washer 3 is finally combined with casing part connection by screw thread, and
It can be screwed, be made outside inner chamfer 41 and muzzle by the auxiliary of via hole 43 with the accessory tool that gun carry during installed plug
Chamfering fits closely.So far this universal blank cartridge extractor-aid is installed.When gun emit blank cartridge, powder gases are because going out
Stomata 44 is more much smaller than gun barrel hole, can not be successfully and is discharged from muzzle, causes to be similar to have bullet in gun barrel at this time, powder gases are made
For piston, piston promotes automatic machine back seat, so that blank cartridge extractor-aid be made to play the role of helping and move back.
Claims (10)
1. a kind of universal blank cartridge extractor-aid, it is characterized in that: it is made of cutting ferrule (1), casing (2) and plug (4), cutting ferrule
Internal diameter is matched with the outer diameter of foresight bed, and design has through slot (16) in the outer surface axial direction of cutting ferrule, and the end of one end of cutting ferrule is set
In respect of the convex bamboo shoot of support (15) of a circle evagination, casing tube internal hole has the detent slot (22) matched with the convex bamboo shoot of support, and cutting ferrule (1) passes through
It supports the detent slot (22) on convex bamboo shoot (15) and casing (2) to screw, realizes the connection with casing (2)；Casing (2) and plug (4)
It is connected through a screw thread.
2. a kind of universal blank cartridge extractor-aid according to claim 1, it is characterised in that: in box face and plug
There are spring washer (3) between connecting end surface.
3. a kind of universal blank cartridge extractor-aid according to claim 1, it is characterised in that: the width of the through slot is
The 99% of foresight bed outer diameter.
4. a kind of universal blank cartridge extractor-aid according to claim 1, it is characterised in that: cutting ferrule is also devised with U on (1)
Type recessing groove (11), card plane (12), front sight ring recessing groove (13), foresight bed body opening (14), U-shaped recessing groove (11) and foresight
The gun barrel position at base rear end position matches, and the card plane (12) of front end is bonded with foresight bed rear end face, and front sight ring is stepped down
Slot is one axially grooved, is located at the opposite face of through slot (16), design has the convex bamboo shoot recessing groove (21) of support, square groove on casing (2)
(23), guide groove (24), threaded hole (25) and cutting ferrule hole (26), before supporting convex bamboo shoot recessing groove to be located at convex bamboo shoot detent slot (22)
End, square groove are matched with front sight ring recessing groove, and guide groove is matched with through slot, and threaded hole is matched with plug.
5. a kind of universal blank cartridge extractor-aid according to claim 4, it is characterised in that: the front sight ring is stepped down
The width of slot is greater than front sight ring 1-2mm on foresight bed.
6. a kind of universal blank cartridge extractor-aid according to claim 1 or 4, it is characterised in that: casing tube internal hole has multiple tracks
With the detent slot for supporting convex bamboo shoot to match.
7. a kind of universal blank cartridge extractor-aid according to claim 1, it is characterised in that: plug (4) is cylindricality, tail end
Outer surface is connection screw thread (42), and head is the socket cap greater than screw thread, and center design has centre bore (45), tail portion centre bore
End face design has inner chamfer (41), and the design of head end center has venthole (44), and venthole (44) diameter is less than gun barrel hole, in
Heart hole connects with venthole, and the diameter of centre bore is greater than venthole.
8. a kind of universal blank cartridge extractor-aid according to claim 6, it is characterised in that: in plug head outer round surface
Design has multiple via holes (43), and via hole is blind hole.
9. a kind of universal blank cartridge extractor-aid according to claim 4, it is characterised in that: foresight bed body opening (14) diameter
Greater than foresight pedestal diameter 0.5-1mm, supporting convex bamboo shoot recessing groove (21) and supporting convex bamboo shoot (15) lap is 2-4mm.
10. a kind of universal blank cartridge extractor-aid according to claim 1, it is characterised in that: in cutting ferrule (1), casing (2)
Upper design has lightening hole (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821930420.XU CN209230406U (en) | 2018-11-22 | 2018-11-22 | A kind of universal blank cartridge extractor-aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821930420.XU CN209230406U (en) | 2018-11-22 | 2018-11-22 | A kind of universal blank cartridge extractor-aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209230406U true CN209230406U (en) | 2019-08-09 |
Family
ID=67503933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821930420.XU Expired - Fee Related CN209230406U (en) | 2018-11-22 | 2018-11-22 | A kind of universal blank cartridge extractor-aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209230406U (en) |
-
2018
- 2018-11-22 CN CN201821930420.XU patent/CN209230406U/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: 20190809 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |