CN210833247U

CN210833247U - 95 rifle Picatinny guide rail and quick detach locking structure

Info

Publication number: CN210833247U
Application number: CN201920647340.1U
Authority: CN
Inventors: 孙庆华
Original assignee: Hwoyoung Technology Co ltd
Current assignee: Hwoyoung Technology Co ltd
Priority date: 2019-05-08
Filing date: 2019-05-08
Publication date: 2020-06-23
Anticipated expiration: 2029-05-08

Abstract

A95 rifle Picatinny guide rail comprises a front mounting part and a rear mounting part, wherein the front mounting part is fixedly clamped with a sight base through a quick-release locking structure, the rear mounting part is detachably clamped with a carrying handle mounting part through a quick-release locking device, at least one sighting telescope mounting guide rail structure is arranged on each of the front mounting part and the rear mounting part, and the front mounting part and the rear mounting part are connected end to end through a transition inclined part; the front end of the transition inclined part extends backwards and upwards in an inclined way, so that the transition inclined part is in an arc slope shape. Through setting up the guide rail that all can fix around one, effectively avoided installing the instrument of aiming on it because of rocking that the shooting vibrations arouse, improved the stability in use of the instrument of aiming, simultaneously, will aim the instrument and install the lower position department at 95 rifles, convenient to use need not any part on the dismouting rifle, can directly accomplish quick assembly disassembly, does not influence original structure of firearms and stability.

Description

95 rifle Picatinny guide rail and quick detach locking structure

Technical Field

The utility model relates to a 95 rifle Picatinny guide rail and quick detach locking structure.

Background

The sighting telescope on the existing 95-type rifle is usually installed at the tail end of an upper fender A of the 95-type rifle shown in figure 1, specifically, a cantilever guide rail installation bridge 4 is installed at the central position of the tail end of the upper fender A, namely, a cantilever which is installed at the top end of a carrying handle installation part B shown in figure 2 and extends forwards, the sighting telescope is installed on the top surface of the cantilever guide rail installation bridge 4 through a dovetail clamping rail or the existing quick clamping of the sighting telescope, and due to the fact that the tail end of the cantilever guide rail installation bridge 4 is fixedly installed, the front end is suspended and fixed without supporting, the sighting telescope is easy to shake caused by shooting vibration in the using process, the calibration misalignment is caused, the sighting is not accurate, and the shooting precision is seriously influenced. Meanwhile, the sighting telescope is installed on the top surface of the upper guard wood A, so that the sighting telescope is installed at a higher position, and the sighting telescope is inconvenient to use.

Chinese utility model patent is the utility model patent of patent number 201621230137.7, a rifle tactics extension system is disclosed, it has can assemble multiple tactics accessory and better expansibility, and have better stability and convenience, but its biggest shortcoming is that original accessory has been replaced on the rifle, if replace the log protection a that shows in fig. 2 or replace the original carrying handle of rifle, there is the part to replace, the problem of reassembling and timing when leading to reuse, this is the big taboo when the firearms uses, seriously influences the stability and the uniformity that whole firearms used.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a rifle Picatinny guide rail that can ensure the stable usability requirement of various tactics accessories such as sight, need not carry out any change to the original part of firearms again.

In order to achieve the purpose, the utility model provides a 95 rifle Picatinny guide rail, which comprises a front installation part clamped and fixed with a sight base through a quick-release locking structure and a rear installation part clamped and fixed with a carrying handle installation part through a quick-release locking device, wherein the front installation part and the rear installation part are respectively provided with at least one aiming tool installation guide rail structure, and the front installation part and the rear installation part are connected end to end through a transition inclined part;

the front end of the transitional inclined part extends backwards and upwards in an inclined way, so that the transitional inclined part is in an arc slope shape.

The quick-release locking structure comprises a channel, a guide limit pipe fitting communicated with an opening on the front end face of the channel, a cam handle arranged in the channel, an expansion mechanism cam locking button and an arc-shaped elastic sheet, wherein the hinged end of the expansion mechanism cam locking button is arranged in the channel, the expansion block can be inserted into the guide limit pipe fitting, and a connecting screw which is connected with the threaded end of the connecting screw after being inserted into a longitudinal through hole of the guide limit pipe fitting backwards from the front end of the guide limit pipe fitting;

the arc-shaped elastic sheet is sleeved at the hinged end of the connecting screw rod, and the convex surface of the arc-shaped elastic sheet is arranged towards the threaded end of the connecting screw rod; the arc-shaped elastic sheet is blocked outside the channel;

the expansion mechanism cam handle comprises an arc-shaped bridging part, a group of cam connecting lug holes fixed at the lower end of the arc-shaped bridging part, a horizontal part fixed at the top end of the arc-shaped bridging part and a parallel guide rail arranged below the horizontal part;

the cam connecting lug hole is hinged with the hinged end of the connecting screw rod through a pin shaft;

the expansion mechanism cam locking button comprises a rectangular groove body and an L-shaped panel, wherein the bottom of the rectangular groove body is provided with a longitudinal guide block, and the L-shaped panel is vertically arranged at the rear end of the rectangular groove body;

a spiral spring is arranged in a groove cavity of the rectangular groove body;

the longitudinal guide block is inserted into the parallel guide rail, and meanwhile, the rectangular groove body is arranged between the horizontal part and the parallel guide rail;

a limit screw sequentially penetrates through the longitudinal guide block and the groove cavity from bottom to top and is in threaded connection with the horizontal part; the limiting screw is arranged close to the side wall of the front end of the slot cavity;

the contact pressure of the spiral spring is between the limiting screw and the side surface of the rear end of the groove cavity;

the front protruding part of the L-shaped panel is positioned at the lower end part of the L-shaped panel;

an opening is formed in one side of the guide limiting pipe fitting, an arc-shaped guide surface is arranged on the inner side face of the guide limiting pipe fitting corresponding to the opening, and is attached to the rear end face of the expansion block and the arc-shaped guide surface of the expansion block on the side face opposite to the face where the opening is formed, so that the expansion block is guided to move outwards from the opening under the action of external force;

a limiting protruding block is arranged on one side, located on the opening, of the rear end face of the expansion block and used for being blocked on the rear side edge of the opening when the expansion block moves towards the outside of the opening, and meanwhile, the limiting protruding block moves to the outside of the opening, so that a limiting protruding portion arranged on the outer wall of the other side face of the channel opposite to the limiting protruding block is matched to be in contact with and pressed on the inner walls of the left side and the right side of the bottom of the quasi-constellation;

the number of the limiting protruding parts is at least two, and the limiting protruding parts are arranged up and down.

The sight mounting rail structure comprises a first sight mounting clamping rail arranged on the front mounting part, and the front protruding part extends to the lower part of the bottom surface of the rear end of the first sight mounting clamping rail to realize clamping.

The top of the front end of the channel is provided with a supporting panel, and the limiting protruding part is arranged on the outer side wall of the supporting panel.

The left side and the right side of the front installation part are respectively provided with a side sighting device installation guide rail structure, and a hollow support is arranged between the side sighting device installation guide rail structure and the left side or the right side of the front installation part.

Aim an installation guide rail structure including installing the second of the top surface of back installation department is aimed an installation card rail, and the top surface of back installation department is provided with multiplying power mirror mounting bracket, and this multiplying power mirror mounting bracket is including fixing on the back installation department and arranging in locking base, the multiplying power mirror installation base of fixing at this locking base top and with this multiplying power mirror installation base side articulated multiplying power mirror upset base in the assembly trough before the second is aimed an installation card rail.

The utility model has the advantages that: through setting up the guide rail that all can fix around one, effectively avoided installing the instrument of aiming on it because of rocking that the shooting vibrations arouse, improved the stability in use of the instrument of aiming, simultaneously, will aim the instrument and install the lower position department at 95 rifles, convenient to use need not any part on the dismouting rifle, can directly accomplish quick assembly disassembly, does not influence original structure of firearms and stability.

The present invention will be described in detail with reference to the accompanying drawings and examples.

Drawings

Figure 1 is an isometric view of a 95 rifle.

Fig. 2 is a side view of the 95 rifle.

Fig. 3 is a schematic structural view of a 95 rifle Picatinny rail.

Fig. 4 is an axial sectional view of the expansion mechanism mounting.

Fig. 5 is an exploded view of the expansion mechanism.

Fig. 6 is a schematic view of a cam handle.

Fig. 7 is an exploded view of a 95 rifle picatinny rail.

Fig. 8 is a schematic diagram of the inner side surface of the guide limiting pipe fitting provided with an arc-shaped guide surface.

FIG. 9 is a schematic view of the expansion block having an arc-shaped guide surface corresponding to the inner side surface of the guide limiting pipe.

FIG. 10 is a schematic view of an expansion block.

Fig. 11 is a schematic view of the stopper protrusion arrangement.

Fig. 12 is a schematic view of an expansion mechanism cam lock button.

Fig. 13 is a top view of the expansion mechanism cam lock button.

Fig. 14 is a schematic diagram of setting a magnification mirror.

Fig. 15 is a schematic diagram of a magnification mirror base being disassembled.

Fig. 16 is a full gun view of the firearm accessory mounted via the picatinny rail.

Fig. 17 is a view showing an unlocking state of the quick release locking structure.

Fig. 18 is a view showing a state of clamping and fixing the quick release locking structure.

Description of reference numerals: A. wood protection is carried out; B. a carrying handle mounting part; 1. a front mounting portion; 2. a transitional slope portion; 3. a rear mounting portion; 4. a cantilever guide rail mounting bridge; 5. quasi-constellations; 6. a first sighting device is provided with a clamping rail; 7. the second sighting device is provided with a clamping rail; 8. a magnification mirror mounting bracket; 9. a third sight is provided with a clamping rail; 10. hollowing out the bracket; 11. a trench; 12. a guide limit piece; 13. a cam handle; 14. an expansion mechanism cam locking button; 15. an arc-shaped elastic sheet; 16. connecting a screw rod; 17. An expansion block; 18. a connecting screw; 19. an arcuate bridge portion; 20. the cam is connected with the ear hole; 21. A horizontal portion; 22. parallel guide rails; 23. a pin shaft; 24. a wale guide block; 25. a rectangular groove body; 26. an L-shaped panel; 27. a coil spring; 28. a limit screw; 29. a front protrusion; 30. Opening a hole; 31. an arc-shaped guide surface; 32. an arc-shaped guide surface of the expansion block; 33. a limit bump; 34. A rear side; 35. a limit protrusion; 36. a support panel; 37. assembling a groove; 38. locking the base; 39. a magnification mirror mounting base; 40. a multiplying power mirror overturning base; 41. a multiplying power mirror turning connecting pin; 42. a locking button; 43. a torsion spring; 44. a multiplying power mirror; 45. an inner cavity opening of the guide limiting pipe fitting; 46. a screw hole; 47. assembling a groove; 48 a necking part; 49. and (4) end covers.

Detailed Description

General design overview

Fig. 3 shows a picatinny guide rail of a 95 rifle, which is mainly used for installing various auxiliary devices, such as an aiming device and a multiplying power mirror, on the 95 rifle and aims to improve the aiming effect, the picatinny guide rail provided by the embodiment is obviously different from the traditional device used on the existing 95 rifle, and comprises a body and an aiming device installation clamping rail, namely an aiming device installation guide rail structure, arranged on the body, for example, a first aiming device installation guide rail structure 6 and a second aiming device installation guide rail structure 7 which are arranged on the top surfaces of a front installation part 1 and a rear installation part 3 and third aiming device installation guide rail structures 9 arranged on the left side surface and the right side surface of the front installation part 1, so that various aiming devices shown in fig. 15 can be installed on the 95 rifle, including a simple aiming device and a multifunctional aiming device, and the application requirements of various occasions can be met, thereby improving the fighting capability.

In particular, the embodiment provides the 95 rifle Picatinny guide rail, any part on the rifle does not need to be replaced or disassembled, the original structure or parameters of the rifle are not affected by installing the 95 rifle Picatinny guide rail, and the installation is completely lossless. The rifle is characterized in that a quick-release locking structure which is fixedly arranged at the front end of a front mounting part 1 or integrally formed is clamped and fixed with a standard constellation 5, and meanwhile, a rear mounting part 3 and a carrying handle mounting part B are clamped and fixed by means of a quick-release locking device, the relation of any part or mounting position of the rifle is not changed, and the original setting or adjustment of the rifle is completely zero.

It can be easily found from fig. 16 that, the 95 rifle picatinny rail provided by this embodiment is different from the prior art in that the sighting device can be installed at the front end of the 95 rifle, that is, near the sight star, so that the installation height of the sighting device is reduced, the sighting is facilitated, and the installation stability of the sighting device is improved, and of course, compared with the way of installing the sighting device on the cantilever rail installation bridge 4 at the rear end of the upper fender a in the manner of single-arm suspension support in the prior art, because the front end and the rear end of the 95 rifle picatinny rail provided by this embodiment are respectively fixed on the sight constellation and the upper fender a and have at least two fixing positions, the installation stability of the 95 rifle picatinny rail itself is obviously improved, and further the stability of various sighting devices installed on the rail is ensured, and the installation mode similar to the prior art, that is shown in fig. 1, does not occur, the phenomenon of the sighting telescope shaking or even skewing caused by running or shooting vibration is one of the effects to be achieved by the embodiment.

Detailed embodiment of quick-release locking structure

In order to realize the fast and stable clamping and fixing of the front mounting part 1 and the quasi-constellation 5, the embodiment provides the fast-dismounting locking structure shown in fig. 4 to fig. 7, which includes a channel 11, a guiding limit pipe 12 communicated with the opening of the front end surface of the channel 11, a cam handle 13 arranged in the channel 11, an expansion mechanism cam locking button 14, an arc-shaped elastic sheet 15, a connecting screw 16 with a hinged end arranged in the channel 11, an expansion block 17 capable of being inserted into the guiding limit pipe 12, and a connecting screw 18 connected with the threaded end of the connecting screw 16 after the front end of the guiding limit pipe 12 is inserted backwards into the longitudinal through hole of the guiding limit pipe 12; wherein, arc shell fragment 15 cover is established at connecting screw 16's hinged end, and the convex surface of this arc shell fragment 15 sets up towards connecting screw 16's screw thread end, sets up towards the inner chamber direction of trench 11 promptly, is convenient for like this, when removing to trench 11, blocks in trench 11's inner chamber axial entrance promptly and blocks outside trench 11 to it is spacing to produce deformation, accumulates elastic potential energy, is convenient for loosen fast when dismantling quick detach locking structure and takes off.

Fig. 4 and 13 show the components for quick release, which are combined with the cam handle 13 shown in fig. 4, 6, 9 and 10, wherein the cam handle 13 includes an arc-shaped bridge portion 19, a set of cam connecting ear holes 20 fixed at the lower end of the arc-shaped bridge portion 19, a horizontal portion 21 fixed at the top end of the arc-shaped bridge portion 19, and a parallel guide rail 22 disposed below the horizontal portion 21; the cam connecting lug hole 20 is hinged with the hinged end of the connecting screw rod 16 through a pin shaft 23; the expansion mechanism cam locking button 14 comprises a rectangular groove body 25 with a longitudinal guide block 24 arranged at the bottom and an L-shaped panel 26 vertically arranged at the rear end of the rectangular groove body 25; a helical spring 27 is arranged in the cavity of the rectangular groove body 25; a limit screw 28 (see fig. 7) sequentially penetrates through the longitudinal guide block 24 and the groove cavity from bottom to top and then is in threaded connection with the horizontal part 21; the limit screw 28 is arranged close to the side wall of the front end of the slot cavity and used for limiting the spiral spring 27, so that the contact pressure of the spiral spring 27 is between the limit screw 28 and the side wall of the rear end of the slot cavity; when moving to the rear of the channel 11, the elastic potential energy is accumulated by the extrusion and contraction of the rectangular channel 25, which is convenient for quick disassembly.

The wale guide block 24 is inserted from between the parallel guide rails 22 shown in fig. 6, and at the same time, the rectangular groove body 25 is placed between the horizontal portion 21 and the parallel guide rails 22 by following the movement.

In order to ensure the reliability of the clamp lock, the present embodiment provides that the front projection 29 of the L-shaped panel 26 is located at the lower end of the L-shaped panel 26 shown in fig. 5 and 12; the forward projection 29 extends below the bottom surface of the rear end of the first sight mounting rail 6 to effect the detent of the expansion mechanism cam lock button 14 after the cam handle 13 has been advanced inwardly into the channel 11.

An opening 30 shown in fig. 8 is provided on one side of the guide limit piece 12, an arc-shaped guide surface 31 is provided on the inner side surface of the guide limit pipe 12 corresponding to the opening 30 to be engaged with the rear end surface of the expansion block 17 and the expansion block arc-shaped guide surface 32 shown in fig. 9 on the side surface opposite to the surface where the opening 30 is located to guide the expansion block 17 to move outward of the opening 30 by an external force, thereby increasing the width of the guide limit piece 12, and particularly, a limit projection 33 shown in fig. 10 is provided on one side of the opening 30 of the rear end surface of the expansion block 17 to be caught on the rear side 34 of the opening 30 shown in fig. 8 when the expansion block 17 moves outward of the opening 30, and at the same time, the limit projection 33 moves to the outside of the opening 30 to be engaged with a limit projection 35 provided on the outer wall of the side surface of the canal 11 shown in fig. 11 opposite to the limit projection 33, the inner walls of the left side and the right side of the bottom of the quasi-constellation are pressed, so that expansion extrusion is realized, and clamping type fixing of the front mounting part 1 is completed. In order to ensure the stability of the clamping, at least two limiting protrusions 35 are involved and are arranged above one another.

As shown in fig. 5 and 7, a supporting panel 36 is disposed at the top of the front end of the trench 11, and a limiting protrusion 35 is disposed on the outer side wall of the supporting panel 36.

As shown in fig. 5, the left and right side surfaces of the front mounting portion 1 are respectively provided with a side sighting telescope mounting guide rail structure 9; the side of the left side or the right side of the front installation part 1 is provided with the hollow bracket 1 between the sight installation guide rail structure 9 and the left side or the right side of the front installation part 1, so that the guide rail mechanism can be conveniently installed on the hollow bracket 10, and the heat dissipation effect is enhanced.

Arrangement of multiplying power mirror

As can be seen from fig. 5, the top surface of the rear mounting portion 3 is provided with a magnification mirror mounting bracket 8; the magnification mirror mounting bracket 8 includes a locking base 38 fixed to the rear mounting portion 3 and disposed in the mounting groove 37 in front of the second sight mounting rail 7, a magnification mirror mounting base 39 fixed to the top of the locking base 38, and a magnification mirror turning base 40 hinged to one side of the magnification mirror mounting base 39 (a magnification mirror 44 is fixed to the magnification mirror turning base 40, see fig. 14).

As shown in fig. 15, the magnification mirror turning base 40 is coupled to a connection lug hole on one side of the magnification mirror mounting base 39 by a magnification mirror turning connection pin 41, meanwhile, the position of the magnification mirror overturning base 40 is fixed through a locking button 42 arranged at one end of a magnification mirror overturning connecting pin 41, specifically, one end of the locking button 42 is inserted into a connecting lug hole at one end of the magnification mirror overturning base 40 and then is connected with one end of the magnification mirror overturning connecting pin 41 (the magnification mirror overturning connecting pin 41 is sleeved with a torsion spring 43) inserted from the connecting lug hole at the other end, the other end of the locking button 42 is provided with an arc convex surface, the arc convex surface is connected with a necking part 48 outwards and then is connected with an end cover 49 at the end part of the other end, and after the locking button 42 extrudes and compresses the torsion spring 43 inwards, the arc convex surface and the necking part 48 are inserted into the assembly groove 47 on the connecting ear hole at the corresponding end of the magnification mirror mounting base 39, and the connection between the magnification mirror overturning base 40 and the magnification mirror mounting base 39 is completed.

The rear mounting portion 3 is fast clamped with the cantilever guide rail mounting bridge 4 through a fast dismounting structure 50 shown in fig. 3, and this fast dismounting structure can be a fast clamping of a mounting sight which is generally used at present, such as a mounting clamping rail for a sight disclosed in the chinese utility model with the patent number of 201520473304.X, or an sight bracket and the like which are disclosed in the chinese utility model with the patent number of 201520958907.9 and can be applied here.

The specific way that the front mounting part 1 is clamped and fixed with the space below the quasi-constellation through the quick-release locking structure is shown in fig. 18, a connecting screw 18 is pushed into the channel, the expansion block 17 moves together, meanwhile, under the guiding action of the arc-shaped guide surface 31 and the arc-shaped guide surface 32 of the expansion block, the expansion block 17 moves out of the opening 30, and the limiting protrusion block 33 moves to the outer side of the opening 30, so that the limiting protrusion 35 arranged on the outer wall of the other side surface of the channel 11 opposite to the limiting protrusion block 33 is in contact pressure with the inner wall of the bottom of the quasi-constellation to realize clamping.

When the rapid disassembly device is disassembled, the expansion mechanism cam locking button 14 is pushed forwards, the expansion mechanism cam handle 13 is further pushed forwards in sequence, the expansion block 17 is rapidly pushed out of the channel 11 under the action of the spiral spring 27 and the arc-shaped elastic sheet 15, the limiting protruding part 35 moves towards the inside of the open hole 30 under the guiding action of the arc-shaped guide surface 31 and the arc-shaped guide surface 32 of the expansion block (see fig. 17), and therefore the rapid disassembly device is separated from the contact with the inner wall of the quasi-constellation and the rapid disassembly of the front installation part 1 is completed.

Claims

1. The utility model provides a 95 rifle Picatinny guide rail, includes through quick detach locking structure and sight constellation (5) the tight fixed preceding installation department (1) of clamp and through quick detach locking device with carrying handle installation department (B) detachable back installation department (3) of clamp, all be provided with on preceding installation department (1) and the back installation department (3) and aim at an utensil installation guide rail structure, its characterized in that: the front mounting part (1) and the rear mounting part (3) are connected end to end through the transition inclined part (2);

the front end of the transitional inclined part (2) extends backwards and upwards in an inclined way, so that the transitional inclined part (2) is in a cambered surface slope shape.

2. The 95 rifle picatinny rail of claim 1, wherein: the quick-release locking structure comprises a channel (11), a guide limiting pipe fitting (12) communicated with an opening on the front end face of the channel (11), a cam handle (13) arranged in the channel (11), an expansion mechanism cam locking button (14) and an arc-shaped elastic sheet (15), a connecting screw rod (16) is connected with the hinged end in the channel (11), an expansion block (17) can be inserted into the guide limiting pipe fitting (12), and a connecting screw (18) is inserted into a longitudinal through hole of the guide limiting pipe fitting (12) from the front end of the guide limiting pipe fitting (12) backwards and then is connected with a threaded end of the connecting screw rod (16);

the arc-shaped elastic sheet (15) is sleeved at the hinged end of the connecting screw rod (16), and the convex surface of the arc-shaped elastic sheet (15) is arranged towards the threaded end of the connecting screw rod (16);

the arc-shaped elastic sheet (15) is blocked outside the channel (11);

the expansion mechanism cam handle (13) comprises an arc-shaped bridging part (19), a group of cam connecting lug holes (20) fixed at the lower end of the arc-shaped bridging part (19), a horizontal part (21) fixed at the top end of the arc-shaped bridging part (19) and a parallel guide rail (22) arranged below the horizontal part (21);

the cam connecting lug hole (20) is hinged with the hinged end of the connecting screw rod (16) through a pin shaft (23);

the expansion mechanism cam locking button (14) comprises a rectangular groove body (25) with a longitudinal guide block (24) arranged at the bottom and an L-shaped panel (26) vertically arranged at the rear end of the rectangular groove body (25);

a spiral spring (27) is arranged in a groove cavity of the rectangular groove body (25);

the longitudinal guide block (24) is inserted into the parallel guide rail (22), and meanwhile, the rectangular groove body (25) is arranged between the horizontal part (21) and the parallel guide rail (22);

a limit screw (28) sequentially penetrates through the longitudinal guide block (24) and the groove cavity from bottom to top and then is in threaded connection with the horizontal part (21); the limiting screw (28) is arranged close to the side wall of the front end of the slot cavity;

the contact pressure of the spiral spring (27) is between the limiting screw (28) and the rear end side face of the groove cavity;

the front protruding part (29) of the L-shaped panel (26) is positioned at the lower end part of the L-shaped panel (26);

an opening (30) is formed in one side of the guide limiting pipe fitting (12), an arc-shaped guide surface (31) is arranged on the inner side surface of the guide limiting pipe fitting (12) corresponding to the opening (30) and attached to the rear end face of the expansion block (17) and the expansion block arc-shaped guide surface (32) on the side face opposite to the face where the opening (30) is formed, and the expansion block (17) is guided to move outwards of the opening (30) under the action of external force;

a limiting protruding block (33) is arranged on one side, located on the opening (30), of the end face of the rear end of the expansion block (17), and used for being blocked on the rear side edge (34) of the opening (30) when the expansion block (17) moves towards the outside of the opening (30), and meanwhile, the limiting protruding block (33) moves to the outside of the opening (30), so that a limiting protruding part (35) arranged on the outer wall of the other side face of the channel (11) opposite to the limiting protruding block (33) is matched to be in contact with and pressed on the inner walls of the left side and the right side of the bottom of the quasi-constellation;

the number of the limiting protruding parts (35) is at least two, and the limiting protruding parts are arranged up and down.

3. The 95 rifle picatinny rail of claim 2, wherein: aim utensil installation guide rail structure including installing first aim utensil installation card rail (6) on preceding installation department (1), preceding lug (29) extend to the rear end bottom surface below of first aim utensil installation card rail (6), realize the screens.

4. The 95 rifle picatinny rail of claim 2, wherein: a supporting panel (36) is arranged at the top of the front end of the channel (11), and the limiting protrusion (35) is arranged on the outer side wall of the supporting panel (36).

5. The 95 rifle picatinny rail of claim 2, wherein: the left side surface and the right side surface of the front mounting part (1) are respectively provided with a side sighting telescope mounting guide rail structure (9); the side of the left side surface or the right side surface of the front mounting part (1) is provided with a sight mounting guide rail structure (9) and a hollow support (10) is arranged between the left side surface or the right side surface of the front mounting part (1).

6. The 95 rifle picatinny rail of any one of claims 1 to 5, wherein: the sight mounting guide rail structure comprises a second sight mounting clamping rail (7) mounted on the top surface of the rear mounting part (3); a multiplying power mirror mounting frame (8) is arranged on the top surface of the rear mounting part (3); multiplying power mirror mounting bracket (8) including fix on back installation department (3) and arrange in locking base (38), fix multiplying power mirror installation base (39) at this locking base (38) top and multiplying power mirror upset base (40) with this multiplying power mirror installation base (39) one side articulated in assembly groove (37) before second sight installation card rail (7).

7. The utility model provides a quick detach locking structure which characterized in that: the device comprises a channel (11), a guide limiting pipe fitting (12) communicated with an opening on the front end face of the channel (11), a cam handle (13) arranged in the channel (11), an expansion mechanism cam locking button (14) and an arc-shaped elastic sheet (15), wherein the hinged end of the guide limiting pipe fitting (12) is arranged in the channel (11) and is connected with a screw rod (16), an expansion block (17) capable of being inserted into the guide limiting pipe fitting (12), and a connecting screw (18) which is inserted into a longitudinal through hole of the guide limiting pipe fitting (12) from the front end of the guide limiting pipe fitting (12) backwards and is connected with a threaded end of the connecting screw rod (16);

the arc-shaped elastic sheet (15) is blocked outside the channel (11);

8. The quick release locking structure of claim 7, wherein: the front protruding part (29) extends to the lower part of the bottom surface of the rear end of the first sight mounting clamping rail (6) to realize clamping.

9. The quick release locking structure of claim 7, wherein: a supporting panel (36) is arranged at the top of the front end of the channel (11), and the limiting protrusion (35) is arranged on the outer side wall of the supporting panel (36).