CN103512424A - Self-locking telescopic police bayonet - Google Patents
Self-locking telescopic police bayonet Download PDFInfo
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- CN103512424A CN103512424A CN201310512726.9A CN201310512726A CN103512424A CN 103512424 A CN103512424 A CN 103512424A CN 201310512726 A CN201310512726 A CN 201310512726A CN 103512424 A CN103512424 A CN 103512424A
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- bayonet
- middle pipe
- inner tube
- locking
- stop bit
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41B—WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE OR COMBUSTIBLE PROPELLANT CHARGE; WEAPONS NOT OTHERWISE PROVIDED FOR
- F41B15/00—Weapons not otherwise provided for, e.g. nunchakus, throwing knives
- F41B15/02—Batons; Truncheons; Sticks; Shillelaghs
- F41B15/022—Batons; Truncheons; Sticks; Shillelaghs of telescopic type
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- General Engineering & Computer Science (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention relates to a self-locking telescopic police bayonet, and belongs to the technical field of individual police equipment. The self-locking telescopic police bayonet consists of three telescopic sleeves and a bayonet, wherein the telescopic sleeves are sleeved according to the size sequence; checking balls and locking lantern rings are arranged at junctions of the telescopic sleeves so as to control stretching and positioning of the sleeves; when the self-locking telescopic police bayonet is opened, the self-locking telescopic police bayonet is thrown out forwards or downwards or pulled open by hands, the checking balls and the locking lantern rings are mutually matched to lock the sleeve after all the sleeves reach preset positions, and a bayonet lock at the front end of an inner tube is pressed down to control automatic popup of the bayonet; during withdrawal, the locking lantern rings are withdrawn and the sleeves are pushed to withdraw; after restoration, a magnet inside an end cover attracts and fixes the sleeves to prevent free popup of the sleeves; the bayonet lock is pressed and the bayonet is pushed by a key to withdraw the bayonet. The self-locking telescopic police bayonet has the advantages as follows: the self-locking telescopic police bayonet is simple in structure and easy to manufacture and can be locked very reliably; the sleeves are in tight fit, so as to eliminate a shaking phenomenon of the sleeves of the existing police bayonet; the self-locking telescopic police bayonet has the functions of a spontoon and a police thorn, so that using requirements in different situations can be met.
Description
Technical field
The present invention relates to a kind of police individual equipment, particularly a kind of self-locking Telescopic bayonet for policeman.
Background technology
No matter the existing all kinds of Telescopic bayonet for policeman of department under battle conditions such as public security, People's Armed Police that are provided in, be steel, plastics or carbon fiber material, and its structure forms by three joint telescopic tubes and a joint bayonet.By the locking form of alert thorn, be roughly divided into friction angie type locking and bail type locking.The angie type locking that wherein rubs is: externally, in sleeve pipe, middle parts casing pipe, inner sleeve are sequentially socketed, and bayonet is placed in inner sleeve, and every joint cover pipe jointing part is all by reducing Taper Pipe and flaring Taper Pipe connects.During use, rely on the centrifugal force of whipping, make respectively to save sleeve pipe and throw away, each conical surface reaches after cooperation position, relies on extrusion friction power to realize and respectively saves the elongation of sleeve pipe and fix.The alert thorn of this kind of structure exists following what time not enough: 1, this police's thorn throws away while extending, as the dynamics that throws away will not reach and places restrictions on position not, cause three joint sleeve pipes to stretch out rear connection unreliable, in use procedure, while particularly using alert thorn function, after encountering the person or other hard things, can retract, thereby greatly affect its result of use.When 2, alert thorn extends, will lean on the alert thorn of whipping energetically to implement, this requires to use Jing Ci place will have enough great space, and this makes the use of this police's thorn have significant limitation.3, as excessive in thrown away dynamics, cause three joint sleeve pipes to stretch out rear connection tension and locked, thereby reclaim very difficult.When 4, bayonet reclaims, need to, by extra instrument, greatly affect convenience and the flexibility of its use.
Rod is got rid of in another kind of bayonet lock locking, is with reeded steel pipe socket together by three, in the appropriate location, equidirectional front and back end of adjacent steel pipe, hole respectively, and built-in spring and bayonet lock.Rod head and rod body adopt and are threaded, and rod head is divided into the sharp head of cylindrical or spherical blunt nosed and taper, during use, each saves between sleeve pipe and to coordinate tightly not, and easily produce and tremble pendulum, and complicated with the steel pipe processing technology of groove, rod changes time-consuming, effort first watch, greatly affects its result of use.
Summary of the invention
The object of the present invention is to provide a kind of self-locking Telescopic bayonet for policeman, solved that prior art exists that locking is unreliable, locking tension, reclaim difficulty, processing technology is complicated, during use, respectively save and between sleeve pipe, tremble the problems such as pendulum.Use the less power that throws away, respectively joint elongation arrival stop bit position is also locked, reliable lock, and each saves between sleeve pipe and coordinates tightly, has eliminated and has respectively saved the phenomenon of trembling pendulum between sleeve pipe.Also can one hold outer tube, another holds inner tube front end and pulls out, the stop bit collar that only need pull back on outer tube and middle pipe in the time of need to regaining, pipe and inner tube in can regaining easily; And have baton and alert thorn function simultaneously concurrently, can meet the instructions for use of different situations.
Above-mentioned purpose of the present invention is achieved through the following technical solutions:
Self-locking Telescopic bayonet for policeman, comprise telescopic tube and bayonet, described telescopic tube comprises outer tube 3, middle pipe 4 and inner tube 5, described outer tube 3 and middle pipe 4 front portions are provided with five stop bit ball holes around circumference uniform distribution, described inner tube 5 front ends are welded with bayonet deck, end is built-in with plastics nail 20, in inner tube 5, by plastics nail 20, bayonet spring 6 and bayonet 7 are housed forward successively, the telescopic location of bayonet 7 in inner tube 5 is by being contained in bayonet bayonet lock 12 locking or the releases on bayonet deck, outer tube 3 and middle pipe 4 are by middle trunnion ring locking mechanism locking or release, being specially the middle pipe stop bit annular groove 112 that promotes to be arranged on middle pipe stop bit ball 17 in outer tube 3 front end stop bit ball holes and middle pipe 4 tail end pipe outer walls at the middle pipe return spring 18 effect lower intermediate tubes locking collars 8 coordinates and realizes stop bit locking or release, middle pipe 4 and inner tube 5 are by middle trunnion ring locking mechanism locking or release, being specially the inner tube stop bit ball 14 that the inner tube locking collar 10 promotes to be arranged in middle pipe 4 front end stop bit ball holes under 15 effects of inner tube return spring coordinates and realizes stop bit locking or release with the inner tube stop bit annular groove 111 that is arranged on inner tube 5 end pipe outer walls.
Described outer tube 3 and middle pipe 4 front ends are around uniform five the stop bit ball holes of circumference difference, in hole, be placed with stop bit ball, described outer tube 3 and middle pipe 4 front ends are respectively arranged with two sections of multidiameters, and described outer tube 3 and middle pipe 4 front ends are respectively arranged with the annular groove of placing check ring.
Described middle pipe 4 and inner tube 5 tail ends are respectively equipped with stop bit annular groove around circumference.
Described middle pipe 4 and inner tube 5 end pipe outer walls are respectively equipped with cannelure, in cannelure, be separately installed with middle pipe rubber ring 22 and inner tube rubber ring 21, middle pipe rubber ring 22 and inner tube rubber ring 21 have been filled the gap between middle pipe 4 and outer tube 3, inner tube 5 and middle pipe 4, have effectively eliminated to tremble pendulum phenomenon between middle pipe 4 and outer tube 3, inner tube 5 and middle pipe 4.
The described middle pipe locking collar 8 and the inwall of the inner tube locking collar 10 are respectively equipped with front end face, the annular middle pipe locking collar boss 119 that rear end face is vertical and inner tube locking collar boss 117.
Described middle trunnion ring locking mechanism comprises middle pipe stop bit back-up ring 19, middle pipe return spring 18, the middle pipe locking collar 8, middle tubular elastic back-up ring 9, be arranged at outer tube front end manages in five in stop bit ball hole 113 and manages stop bit ball 17 in five of circumference uniform distribution, be arranged at the middle pipe stop bit annular groove 112 that middle pipe 4 end pipe outer walls coordinate with middle pipe stop bit ball 17, described middle pipe stop bit back-up ring 19 is installed at outer tube 3 front tube outer wall multidiameter positions, the front end face of middle pipe stop bit back-up ring 19 contacts with the rear end face of middle pipe return spring 18, in the annular of the front end face of middle pipe return spring 18 and the middle pipe locking collar 8 inwalls, the vertical rear end face of pipe locking collar boss 119 contacts, the front end face that middle pipe locking collar boss 119 tilts contacts with middle pipe stop bit ball 17, in described outer tube 3 front end annular grooves 117, middle tubular elastic back-up ring 9 is housed, middle tubular elastic back-up ring 9 rear end faces contact with the middle pipe locking collar 8, to prevent that middle pipe from locking the collar 8 and deviating from from outer tube 3.
Described inner tube collar locking mechanism design is with middle trunnion ring locking mechanism.
The bayonet deck front end of described inner tube 5 anterior welding is provided with crescent shaped groove 115, facilitates the recovery of bayonet.
Beneficial effect of the present invention is: the structure that adopts stop bit ball and the locking collar in three joint sleeve pipe junctions, after using the less power that throws away or pulling inner tube front portion to make each joint open arrival stop bit position, can automatically lock, and lock very reliable, each saves between sleeve pipe and coordinates tightly, has eliminated and has respectively saved the phenomenon of trembling pendulum between sleeve pipe.In the time of need to reclaiming, only need pull respectively the inner tube locking collar and the middle pipe locking collar fast to reclaim, use very conveniently, there is the function of baton and alert thorn simultaneously, can meet the instructions for use under different situations; The design of the stop bit ball that the present invention adopts and the locking collar, simple in structure, be easy to processing, use reliable.Practical.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms the application's a part, and illustrative example of the present invention and explanation thereof are used for explaining the present invention, do not form inappropriate limitation of the present invention.
Fig. 1 is the structural representation under contraction state of the present invention;
Fig. 2 is the structural representation under open mode of the present invention;
Fig. 3 is that the inner tube of A part in Fig. 2 locks local enlarged diagram under collar lock-out state;
Fig. 4 is that the inner tube of A part in Fig. 2 locks local enlarged diagram under collar released state;
Fig. 5 is the structural representation of key of the present invention.
In figure: 1. link, 2. end cap, 3. outer tube, 4. pipe in, 5. inner tube, 6. bayonet is derived spring, 7. bayonet, 8. the pipe locking collar in, 9. in, manage check ring, 10. inner tube locks the collar, 11. bayonet bayonet lock springs, 12. bayonet bayonet locks, 13. inner tube check rings, 14. inner tube stop bit balls, 15. inner tube return springs, 16. inner tube back-up rings, in 17., manage stop bit ball, in 18., manage return spring, in 19., manage back-up ring, 20. plastics nails, 21. inner tube rubber rings, in 22., manage rubber ring, 23. magnet, 111. inner tube stop bit annular grooves, in 112., manage stop bit annular groove, in 113., manage stop bit ball hole, 114. inner tube stop bit ball holes, 115. bayonet deck crescents, 116. inner tube spring catch ring recess, 117. inner tube locking collar boss, in 118., manage spring catch ring recess, pipe locking collar boss in 119..
The specific embodiment
Below in conjunction with accompanying drawing, further illustrate detailed content of the present invention and the specific embodiment thereof.
Referring to shown in Fig. 1 to Fig. 5, self-locking Telescopic bayonet for policeman of the present invention is mainly comprised of telescopic tube and bayonet, described telescopic tube is mainly provided with the outer tube 3 around five stop bit ball holes of circumference uniform distribution by end, the inner tube 5 that middle pipe 4 He ends are welded with bayonet deck forms, described inner tube 5 ends are built-in with plastics nail 20, in inner tube 5, by plastics nail 20, bayonet is housed forward successively and derives spring 6 and bayonet 7, the telescopic location of bayonet 7 in inner tube 5 is by being contained in bayonet bayonet lock 12 locking or the release returns on bayonet deck, outer tube 3 and middle pipe 4 are by middle trunnion ring locking mechanism locking or release, being specially the middle pipe stop bit annular groove 112 that promotes to be arranged on middle pipe stop bit ball 17 in outer tube 3 front end stop bit ball holes and middle pipe 4 tail end pipe outer walls at the middle pipe return spring 18 effect lower intermediate tubes locking collars 8 coordinates and realizes stop bit locking or release, middle pipe 4 and inner tube 5 are by middle trunnion ring locking mechanism locking or release, being specially the inner tube stop bit ball 14 that the inner tube locking collar 10 promotes to be arranged in middle pipe 4 front end stop bit ball holes under 15 effects of inner tube return spring coordinates and realizes stop bit locking or release with the inner tube stop bit annular groove 111 that is arranged on inner tube 5 end pipe outer walls.
Described outer tube 3 comprises with the locking collar mechanism of middle pipe 4: at the middle pipe back-up ring 19 of outer tube 3 front tube outer walls, middle pipe return spring 18, the locking of middle the pipe collar 8, middle tubular elastic back-up ring 9, in being arranged in five stop bit ball holes 113 of circumference uniform distribution five of outer tube 3 front ends, manage stop bit ball 17, be arranged at the middle pipe stop bit annular groove 112 that middle pipe 4 end pipe outer walls coordinate with middle pipe stop bit ball 17 and jointly form.
Described middle pipe 4 comprises with the locking collar mechanism of inner tube 5: at the inner tube back-up ring 16 of middle pipe 4 front tube outer walls, inner tube return spring 15, inner tube the locking collar 10, inner tube circlip 13, be arranged at five the inner tube stop bit balls 14 of middle pipe 4 front ends in five stop bit ball holes 114 of circumference uniform distribution, be arranged at the middle pipe stop bit annular groove 111 that inner tube 5 end pipe outer walls coordinate with inner tube stop bit ball 14 and jointly form.
Described outer tube 3 front tube inwalls are designed with annular stop bit boss, and middle pipe 4 end pipe outer walls are designed with annular stop bit boss with matching, prevent that middle pipe 4 from deviating from outer tube 3; Described middle pipe 4 front tube inwalls are designed with annular stop bit boss, and inner tube 5 end pipe outer walls are designed with annular stop bit boss with matching, prevent that inner tube 5 therefrom manages in 4;
The annular stop bit boss of described middle pipe 4 end pipe outer walls is designed with cannelure, and middle pipe rubber ring 22 is installed in cannelure, has effectively eliminated to tremble pendulum phenomenon between middle pipe 4 and outer tube 3; The annular stop bit boss of described inner tube 5 end pipe outer walls is designed with cannelure, and inner tube rubber ring 23 is installed in cannelure, has effectively eliminated to tremble pendulum phenomenon between inner tube 5 and middle pipe 4.
Described outer tube 3 front ends in being evenly distributed in five placements, manage the middle pipe stop bit ball hole 113 of stop bit ball 17 and place in manage the middle pipe spring catch ring recess 118 of check ring 9, described outer tube 3 front portions are designed with two sections of multidiameters, middle pipe back-up ring 19 is placed on second segment multidiameter, the front end face of middle pipe back-up ring 19 contacts with the rear end face of middle pipe return spring 18, the front end face of middle pipe return spring 18 contacts with the middle pipe locking collar 8, in described outer tube 3 front ends, manage middle tubular elastic back-up ring 9 is housed in spring catch ring recess 118, middle pipe check ring 9 rear end faces contact with the middle pipe locking collar 8, to prevent the middle pipe locking collar 8, from outer tube 3, deviate from.
Described middle pipe 4 front ends are around being evenly distributed in five inner tube spring catch ring recess 116 of placing the inner tube stop bit ball hole 114 of inner tube stop bit ball 14 and placing inner tube check ring 13, described inner tube 4 front portions are designed with two sections of multidiameters, inner tube back-up ring 16 is placed on second segment multidiameter, the front end face of inner tube back-up ring 16 contacts with the rear end face of inner tube return spring 15, the front end face of inner tube return spring 15 contacts with the inner tube locking collar 10, in described middle pipe 4 front end inner tube spring catch ring recess 116, inner tube check ring 13 is housed, inner tube circlip 13 rear end faces contact with the inner tube locking collar 10, to prevent the inner tube locking collar 10, therefrom manage on 4.
The described middle pipe locking collar 8 outsides have two shallow annular grooves, conveniently hold the locking collar and pull release.8 indoor designs of the described middle pipe locking collar have front end face to tilt, the inner tube locking collar boss 117 that rear end face is vertical, and vertical rear end face contacts with the front end face of middle pipe return spring 18, and the front end face of inclination contacts with middle pipe stop bit ball 17.
The described inner tube locking collar 10 outsides have two shallow annular grooves, conveniently hold the locking collar and pull release.10 indoor designs of the described inner tube locking collar have front end face to tilt, the middle pipe locking ring boss 119 that rear end face is vertical, and vertical rear end face contacts with the front end face of inner tube return spring 15, and the front end face of inclination contacts with inner tube stop bit ball 14.
Referring to shown in Fig. 1 to Fig. 5, self-locking Telescopic bayonet for policeman provided by the invention comprises outer tube 3, middle pipe 4, inner tube 5 and a joint bayonet 7 that can be nested together, and inner tube 5 front ends are welded with bayonet deck, and bayonet 7 is placed in inner tube 5 and bayonet deck.While using bayonet, press the bayonet bayonet lock 12 being loaded in bayonet deck, bayonet 7 stretches out under the effect of bayonet derivation spring 6 in bayonet deck, unclamps bayonet bayonet lock 12, and bayonet bayonet lock 12 is stuck in the cannelure position at bayonet 7 rear portions by bayonet 7 lockings.When bayonet reclaims, again by the bayonet lock 12 of unfixing bayonets, use key to promote to move after bayonet 7 simultaneously, after departing from bayonet bayonet lock 12, bayonet 7 rear annular grooves can unclamp bayonet bayonet lock 12, continue to promote to move after bayonet 7, when bayonet 7 forward annular grooves arrive behind bayonet bayonet lock 12 positions, bayonet bayonet lock 12 is upspring and is stuck in the anterior annular groove of bayonet 7 position by bayonet 7 lockings under the effect of bayonet bayonet lock spring 11.The bayonet deck crescent 115 of bayonet deck front end face, the crescent form that is designed to cave inward, in the process of regaining, can guarantee that bayonet 7 recovery put in place at bayonet 7.
The anterior pipe outer wall of middle pipe 4 is designed with two sections of multidiameters, inner tube back-up ring 16 is installed on second segment multidiameter, inner tube back-up ring 16 rear end faces contact with the multidiameter shaft shoulder, middle pipe 4 front portions are managed on outer wall first paragraph multidiameters inner tube return spring 15 are installed, inner tube return spring 15 rear end faces contact with inner tube back-up ring 16 front end faces, inner tube return spring 15 outer cover have the inner tube locking collar 10, and inner tube return spring 15 front end faces contact with the inner tube locking collar boss 117 vertical rear end faces of the inner tube locking collar 10 inside.Middle pipe 4 front portions are around 5 inner tube stop bit ball holes 114 of circumference uniform distribution, the interior inner tube stop bit ball 14 that is equipped with respectively of inner tube stop bit ball hole 114, and inner tube stop bit ball 14 contacts with inner tube locking collar boss 117 inclination front end faces.Inner tube 4 front portions have inner tube spring catch ring recess 116, and inner tube check ring 13 is installed in inner tube spring catch ring recess 116.Outer tube 3 front portion structures are identical with middle pipe 4 front portion structures.
Shown in Figure 1, when police stings in contraction state, inner tube locking collar boss 117 inclination front end faces contact with inner tube stop bit ball 14, inner tube stop bit ball 14 is positioned on inner tube 5 outer walls, now inner tube return spring 15, in compressive state, has the proal trend of the inner tube of the promotion locking collar 10.While using alert thorn, it is 4 interior to front stretching out that inner tube 5 is therefrom managed, inner tube stop bit ball 14 under the drive of inner tube stop bit ball hole 114 along inner tube 5 outer wall down slidings, when inner tube stop bit ball 14 arrives inner tube stop bit annular groove 111 position of inner tube 5 end pipe outer walls, under the effect of inner tube return spring 15, the front end face that the inner tube locking collar boss 117 of the inner tube locking collar 10 inside tilts pushes inner tube stop bit ball 14 in the inner tube stop bit annular groove 111 of inner tube 5 ends, the collar 10 of inner tube locking simultaneously continues reach under the effect of inner tube return spring 15, until the front end face of the inner tube of the inner tube locking collar 10 inside locking collar boss 117 stops moving forward with after inner tube check ring 13 in being installed on the anterior inner tube spring catch of middle pipe 4 ring recess 116 contacts.Now inner tube locking collar boss 117 is pressed in inner tube stop bit ball 14 in inner tube stop bit annular groove 111, realizes the locking of inner tube 5 and middle pipe 4.Middle pipe 4 is when stretching out in outer tube 5, and action mechanism is identical with said process.
Shown in Figure 4, when alert thorn reclaims, the inner tube of the pulling back locking collar 10, the inner tube locking collar 10 compression inner tube return springs 15, when inner tube locking collar boss 117 departs from after inner tube stop bit ball 14, by inner tube 3 and to the interior promotion of middle pipe 4, inner tube stop bit ball 14 departs from inner tube stop bit annular groove 111 under the promotion of inner tube, inner tube 3 is to the interior withdrawal of middle pipe 4, now decontrol the inner tube locking collar 10, under the effect of inner tube return spring 15, 10 reaches of the inner tube locking collar, until inner tube locking collar boss 117 inclination front end faces contact with inner tube stop bit ball 14, because inner tube stop bit ball 14 is now positioned at outer wall of inner tube, stoped the continuation reach of the inner tube locking collar 10, now inner tube return spring 15 is in compressive state.It is identical with said process that middle pipe 5 moves mechanism during to the interior recovery of outer tube 3.Continue to reclaim inner tube 5 and middle pipe 3, until the rear end face of the rear end face of inner tube 5 and middle pipe 4 contacts respectively at the magnet 23 designing in end cap 2, so far alert thorn has reclaimed, and magnet 23 holds middle pipe 4 and inner tube 3, prevents that it from freely deviating from.Described end cap 2 is provided with link 1.
Middle pipe 4 front tube inwalls and inner tube 5 end pipe outer walls are designed with respectively the annular stop bit boss matching, and therefrom manage to stretch out in 4 put in place after locking in inner tube 5, and the annular boss mating surface matching cooperations that also contact, makes to lock more reliable.Pulling the inner tube locking collar 10 by after inner tube 5 and middle pipe 4 releases, the annular boss design that this matches also can prevent that inner tube 5 therefrom manages in 4, and guarantees the complete of alert thorn assembly structure.Outer tube 3 front tube inwalls and middle pipe 4 end pipe outer walls have the annular boss design of same structure.On the annular stop bit boss of inner tube 5 end pipe outer walls, be designed with cannelure, inner tube rubber ring 21 is installed in cannelure, inner tube rubber ring 21 has been filled inner tube 5 outer walls the gap between middle pipe 4 inwalls, has eliminated to tremble pendulum phenomenon between inner tube 5 and middle pipe 4; The annular stop bit boss of middle pipe 4 end pipe outer walls also has identical project organization, in order in eliminating, manage 4 and outer tube 3 between tremble pendulum phenomenon.
The foregoing is only preferred embodiment of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.All any modifications made for the present invention, be equal to replacement, improvement etc., within protection scope of the present invention all should be included in.
Claims (8)
1. a self-locking Telescopic bayonet for policeman, comprise telescopic tube and bayonet, it is characterized in that: described telescopic tube comprises outer tube (3), middle pipe (4) and inner tube (5), described outer tube (3) and middle pipe (4) front portion are provided with five stop bit ball holes around circumference uniform distribution, described inner tube (5) front end is welded with bayonet deck, end is built-in with plastics nail (20), in inner tube (5), by plastics nail (20), bayonet spring (6) and bayonet (7) are housed forward successively, the telescopic location of bayonet (7) in inner tube (5) is by being contained in bayonet bayonet lock (12) locking or the release on bayonet deck, outer tube (3) and middle pipe (4) are by middle trunnion ring locking mechanism locking or release, being specially the middle pipe stop bit annular groove (112) that promotes to be arranged on middle pipe stop bit ball (17) in outer tube (3) front end stop bit ball hole and middle pipe (4) tail end pipe outer wall at middle pipe return spring (18) the effect lower intermediate tube locking collar (8) coordinates and realizes stop bit and lock or release, middle pipe (4) and inner tube (5) are by middle trunnion ring locking mechanism locking or release, being specially inner tube stop bit annular groove (111) cooperation that promotes to be arranged on the inner tube stop bit ball (14) in middle pipe (4) front end stop bit ball hole and be arranged on inner tube (5) end pipe outer wall at the lower inner tube locking collar of inner tube return spring (15) effect (10) realizes stop bit and locks or release.
2. self-locking Telescopic bayonet for policeman according to claim 1, it is characterized in that: described outer tube (3) and middle pipe (4) front end are around uniform five the stop bit ball holes of circumference difference, in hole, be placed with stop bit ball, described outer tube (3) and middle pipe (4) front end are respectively arranged with two sections of multidiameters, and described outer tube (3) and middle pipe (4) front end are respectively arranged with the annular groove of placing check ring.
3. self-locking Telescopic bayonet for policeman according to claim 1, is characterized in that: described middle pipe (4) and inner tube (5) tail end are respectively equipped with stop bit annular groove around circumference.
4. according to the self-locking Telescopic bayonet for policeman described in claim 1 or 3, it is characterized in that: described middle pipe (4) and inner tube (5) end pipe outer wall are respectively equipped with cannelure, in cannelure, be separately installed with middle pipe rubber ring (22) and inner tube rubber ring (21), middle pipe rubber ring (22) and inner tube rubber ring (21) have been filled the gap between middle pipe (4) and outer tube (3), inner tube (5) and middle pipe (4), have effectively eliminated to tremble pendulum phenomenon between middle pipe (4) and outer tube (3), inner tube (5) and middle pipe (4).
5. self-locking Telescopic bayonet for policeman according to claim 1, it is characterized in that: the described middle pipe locking collar (8) and the inwall of the inner tube locking collar (10) are respectively equipped with front end face annular middle pipe locking collar boss (119) and inner tube locking collar boss (117) that rear end face is vertical.
6. self-locking Telescopic bayonet for policeman according to claim 1, it is characterized in that: described middle trunnion ring locking mechanism comprises middle pipe stop bit back-up ring (19), middle pipe return spring (18), the middle pipe locking collar (8), middle tubular elastic back-up ring (9), be arranged at outer tube front end manages and in five in stop bit ball hole (113), manages stop bit ball (17) in five of circumference uniform distribution, be arranged at the middle pipe stop bit annular groove (112) that middle pipe (4) end pipe outer wall coordinates with middle pipe stop bit ball (17), described middle pipe stop bit back-up ring (19) is installed at outer tube (3) front tube outer wall multidiameter position, the front end face of middle pipe stop bit back-up ring (19) contacts with the rear end face of middle pipe return spring (18), in the annular of the front end face of middle pipe return spring (18) and the middle pipe locking collar (8) inwall, the vertical rear end face of pipe locking collar boss (119) contacts, the front end face that middle pipe locking collar boss (119) tilts contacts with middle pipe stop bit ball (17), middle tubular elastic back-up ring (9) is housed in described outer tube (3) front end annular groove (117), and middle tubular elastic back-up ring (9) rear end face contacts with the middle pipe locking collar (8), to prevent that middle pipe from locking the collar (8) and deviating from from outer tube (3).
7. self-locking Telescopic bayonet for policeman according to claim 1, is characterized in that: described inner tube collar locking mechanism design is with middle trunnion ring locking mechanism.
8. self-locking Telescopic bayonet for policeman according to claim 1, is characterized in that: the bayonet deck front end of the anterior welding of described inner tube (5) is provided with crescent shaped groove (115), facilitates the recovery of bayonet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310512726.9A CN103512424A (en) | 2013-10-28 | 2013-10-28 | Self-locking telescopic police bayonet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310512726.9A CN103512424A (en) | 2013-10-28 | 2013-10-28 | Self-locking telescopic police bayonet |
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| CN103512424A true CN103512424A (en) | 2014-01-15 |
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| CN201310512726.9A Pending CN103512424A (en) | 2013-10-28 | 2013-10-28 | Self-locking telescopic police bayonet |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104325162A (en) * | 2014-10-23 | 2015-02-04 | 中航飞机起落架有限责任公司 | Multifunctional pop-up tool structure |
| CN106440931A (en) * | 2016-04-15 | 2017-02-22 | 陈小鸣 | Bipod capable of achieving tube back end compression ejection |
| CN114688919A (en) * | 2022-03-15 | 2022-07-01 | 东华大学 | Carbon fiber composite high-strength telescopic spontoon |
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| GB2303432A (en) * | 1995-07-21 | 1997-02-19 | Monadnock Lifetime Prod | Push button controlled police baton |
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| CN203572315U (en) * | 2013-10-28 | 2014-04-30 | 徐涛 | Self-locking type telescopic police bayonet |
Cited By (4)
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Application publication date: 20140115 |