WO2022183972A1

WO2022183972A1 - Gunsight installing and detaching and stabilizing structure

Info

Publication number: WO2022183972A1
Application number: PCT/CN2022/077826
Authority: WO
Inventors: 吴槐
Original assignee: 吴槐
Priority date: 2021-03-01
Filing date: 2022-02-25
Publication date: 2022-09-09

Abstract

A gunsight installing and detaching and stabilizing structure, comprising a positioning slide groove (2) provided at the bottom of the gunsight in a laser emission direction, wherein a limiting slide block (4) used for fastening a Picatinny rail of a firearm is provided in a channel (3) on a side portion of the positioning slide groove (2), the limiting slide block (4) performs adjustment by sliding along the channel (3) in an extendable/retractable manner to fasten or release the Picatinny rail; a countersink (5) is provided in the limiting slide block (4), a first end of a connection rod (6) and an adjustment nut (7) screwed on the first end of the connection rod (6) are provided in the countersink (5), a polygonal projection (702) is provided on the adjustment nut (7), and the polygonal projection (702) is limited by and fitted with the inner wall of the channel (3) to limit the rotation of the adjustment nut (7) after the limiting slide block (4) and the adjustment nut (7) slide into the channel (3). The gunsight installing and detaching and stabilizing structure is rationally designed, being beneficial to ensuring fastening of a gunsight and a Picatinny rail and avoiding looseness.

Description

Dismantling and assembling and stabilizing structure of gun sight

technical field

The utility model relates to a dismounting and assembling and stabilizing structure of a gun sight.

Background technique

The gun sight is a device installed on the gun to increase the aiming accuracy of the user. Specifically, their connection is to have a Picatinny rail on the upper part of the gun, and a positioning chute that slides with the Picatinny rail on the gun sight. After the Picatinny guide rail is installed in the positioning chute of the sight, a locking mechanism is also required to realize the fixation of the gun sight and the gun. The current locking mechanism is complicated in structure, high in production cost, and inconvenient to use and operate.

technical problem

The gun sight is a device installed on the gun to increase the aiming accuracy of the user. Specifically, their connection is to have a Picatinny rail on the upper part of the gun, and a positioning chute that slides with the Picatinny rail on the gun sight. After the Picatinny guide rail is installed in the positioning chute of the sight, a locking mechanism is also required to realize the fixation of the gun sight and the gun. The current locking mechanism has a complicated structure and high production cost; Due to the unreasonable design of the current adjustment mechanism, the adjustment mechanism of the tightness between the sight and the Picatinny rail is prone to loosening, so that the locking of the gun sight and the Picatinny rail cannot be guaranteed.

technical solutions

The purpose of the invention of the present utility model is to provide a dismounting and assembling and stabilizing structure of the gun sight, the structure design is reasonable, which is beneficial to simplify the structure and facilitate the operation.

The dismounting and assembling and stabilizing structure of the gun sight of the utility model is characterized in that: it comprises a positioning chute arranged at the bottom of the gun sight along the laser emission direction, a swing lock arm located on the side of the positioning chute, and a swing lock for locking the swing lock. The elastic buckle of the slot in the middle of the arm, the side part of the elastic buckle is hinged in the side groove of the positioning chute through the pin shaft, and a torsion spring is arranged between the elastic buckle and the side groove of the positioning chute. The torsion spring makes the elastic buckle tend to buckle toward the middle slot of the swing lock arm. The middle slot of the swing lock arm is in the shape of a stepped hole, and the wall plate at the side of the middle slot is used for the elastic buckle. The hook is buckled, the outer side of the elastic snap hook has a first wedge surface, and the inner side of the wall plate body has a second wedge surface, so as to facilitate the sliding in of the wall plate body when the swing locking arm is buckled.

Further, the end of the elastic buckle away from the hook has two plates arranged at intervals, a torsion spring is inserted between the two plates, one end of the torsion spring is pressed against the inner side of the elastic buckle, and the other end of the torsion spring is pressed against the positioning slide. The groove bottom of the groove on the side part of the groove; the elastic buckle is located at one end of the hook and has a boss higher than the plate, and the elastic buckle has a step to avoid the swing lock arm on the side opposite to the boss.

Further, the notch in the middle of the swing lock arm is window-shaped, not open.

Further, the middle notch of the swing lock arm is in the shape of a rectangular through hole, and the wall plate body is a wall body on the side of the rectangular through hole shape; or the middle slot of the swing lock arm is in the shape of a stepped hole, and the wall plate body is an inner wall body. Convex thin-walled body to form a stepped hole.

Further, the channel on the side of the positioning chute is provided with a limit slider for snapping the Picatinny guide rail on the firearm, and the limit slider is telescopically and slidably adjusted along the channel to snap or loosen the Picatinny. The guide rail; the limit slider is provided with a perforation, and the first end of the connecting rod and the adjusting nut screwed on the first end of the connecting rod pass through the perforation, and the second end of the connecting rod is connected with the swing lock The first end of the arm is hinged, and the first end of the swing lock arm is provided with an eccentric bump, the eccentric bump is matched with the concave groove on the side of the positioning chute, so as to pass through when the swing lock arm swings and rotates. The link pulls the limit slider to snap the Picatinny rail.

Further, a plurality of strip-shaped grooves for increasing friction are arranged on the outer surface of the second end of the swing lock arm.

Further, there are stepped platforms on both sides of the outer end of the above-mentioned limit slider, and a compression spring is arranged between the stepped platforms and the shell wall beside the outer end of the positioning chute.

Further, the outer casing of the gun sight sight is provided with a protective shell, and the lower edge of the protective shell is locked on the gun sight shell by screws, and the protective shell simultaneously covers part of the limit slider.

Further, the adjusting knob connected to the adjusting nut extends out of the housing to facilitate adjustment.

The working principle of the dismantling and assembling and stabilizing structure of the gun sight of the utility model is that the outer side of the elastic snap hook has a first wedge surface, and the inner side of the wall plate body has a second wedge surface, so as to facilitate the wall when the swing lock arm is buckled. When the plate body slides in, the operator only needs to swing the swing lock arm and press the free end of the swing lock arm against the elastic buckle. Due to the cooperation of the first wedge surface and the second wedge surface, The middle notch of the swing lock arm and the wall plate body are easily slid into the hook of the elastic buckle to realize the buckle fixation.

The utility model also provides a dismounting and assembling and stabilizing structure of the gun sight. The disassembling and assembling and stabilizing structure of the gun sight has a reasonable design, which is beneficial to ensure the locking of the gun sight and the Picatinny guide rail and avoid loosening.

The dismounting and assembling and stabilizing structure of the gun sight of the utility model is characterized in that: it comprises a positioning chute arranged at the bottom of the gun sight along the laser emission direction; The limit slider of the tinny guide rail, the limit slider is telescopically and slidably adjusted along the channel to buckle or loosen the picatinny guide rail; the limit slider is provided with a countersunk hole, and a connecting hole is arranged in the countersunk hole. The first end of the rod and the adjusting nut screwed on the first end of the connecting rod, the adjusting nut is provided with a polygonal projection, and the polygonal projection cooperates with the inner wall of the channel to limit the adjustment nut in the limit Turn the slider and the adjusting nut into the groove.

Further, the above-mentioned limit slider is a flat block, and the cross section of the channel matches the cross section of the limit slider; the position on the side of the counterbore on the limit slider has a polygonal projection that is conducive to the limit matching of the inner wall of the channel. escape hatch.

Further, the above-mentioned adjusting nut is in the shape of a stepped platform, and includes a coaxial large-end cylindrical platform, a polygonal convex block and a small-end cylindrical platform in turn, the small-end cylindrical platform extends into the counterbore, and the center of the small-end cylindrical platform is provided with the connecting rod. A threaded hole for a threaded connection at one end.

Further, the second end of the above-mentioned connecting rod is hinged with the first end of the swing lock arm, and the first end of the swing lock arm has an eccentric bump, and the eccentric bump is connected to the concave groove on the side of the positioning chute. When the swing lock arm swings and rotates, the limit slider is pulled by the connecting rod to lock the Picatinny guide rail, and the side of the positioning chute is provided with an elastic buckle for locking the notch in the middle of the swing lock arm .

Further, the side portion of the elastic buckle is hinged in the side groove of the positioning chute through a pin shaft, and a torsion spring is provided between the elastic buckle and the side groove of the positioning chute, and the torsion spring makes the elastic buckle have The tendency to buckle toward the middle notch of the swing lock arm. The wall plate body at the side of the middle notch is used for the buckle connection of the upper hook of the elastic buckle. The inner side of the body is provided with a second wedge surface, so as to facilitate the sliding in of the wall plate body when the swing locking arm is buckled.

When installing the gun sight, swing the swing lock arm to be perpendicular to the connecting rod, and the elastic buckle buckles the middle notch of the swing lock arm to prevent the swing lock arm from accidentally falling out and the limit slider to the Picatinny rail. The clamping fails. When the gun sight needs to be disassembled, swing the elastic buckle out of the buckle position of the middle notch of the swing lock arm, and swing the swing lock arm into a straight line with the connecting rod, and the limit slider is No more snapping Picatinny rails.

beneficial effect

The working principle of the dismounting and assembling and stabilizing structure of the gun sight of the utility model: the first end of the connecting rod extends into the countersunk hole of the limit slider, the threaded connection between the adjusting nut and the first end of the connecting rod is locked, and the limit slider slides into In the channel, the second end of the connecting rod is hinged with the first end of the swing lock arm. When it is necessary to adjust the clamping degree of the limit slider to the Picatinny guide rail, when the limit slider and the adjusting nut do not slide into the channel, Rotate the adjustment nut to move the adjustment nut axially along the first end of the connecting rod, so that the limit slider is far away from or close to the first end of the swing lock arm. When the limit slider and the adjustment nut slide into the groove, due to The polygonal bump on the adjustment nut is limited by the inner wall of the channel, so that the polygonal bump and the adjustment nut cannot rotate, which also limits the axial movement of the adjustment nut and the limit slider, which is beneficial to protect the gun sight and pickup Lock the guide rail to avoid loosening.

The present utility model will be described in detail below with reference to the accompanying drawings.

Description of drawings

1 is a perspective view of an embodiment of the disassembly and assembly stabilization structure of the gun sight of the present utility model;

Fig. 2 is the exploded view of Fig. 1;

Figure 3 is a perspective view of the adjusting nut;

Figure 4 is a perspective view of a limit slider;

Figure 5 is a perspective view of an elastic buckle;

Figure 6 is a perspective view of the base;

Fig. 7 is the sectional view of the present utility model;

Fig. 8 is the partial structure schematic diagram of Fig. 7;

Figures 9 and 10 are perspective views of another embodiment of the dismantling and assembling and stabilizing structure of the gun sight of the present invention;

Fig. 11 is the sectional view of Fig. 10;

Figures 12, 13 are partial views of Figure 11;

Figure 14 is an exploded view of the present utility model;

Figures 15, 16, 17 are partial views of Figure 14;

Figure 18 is a perspective view of an elastic buckle;

FIG. 19 is a diagram of another embodiment of FIG. 13 .

Embodiments of the present invention

As shown in Figures 1-8, an embodiment of the disassembly and assembly stabilization structure of the gun sight of the present invention includes a positioning chute 2 (the positioning chute 2 is arranged on the base 1) arranged at the bottom of the gun sight along the laser emission direction. The channel 3 on the side of the positioning chute 2 is provided with a limit slider 4 for snapping the picatinny rail on the firearm. Ni guide rail (omitted in the figure), the limit slider 4 can be driven and telescopically adjusted through a screw nut mechanism, etc. The specific embodiment scheme adopted in this application is as follows:

The positioning chute 2 is in the same direction as the laser emission direction of the gun sight, and the groove 3 is perpendicular to the laser emission direction of the gun sight. One end and the adjusting nut 7 screwed on the first end of the connecting rod, the first end of the connecting rod 6 has an external thread, and the adjusting nut 7 is in the shape of a stepped platform, which in turn includes a coaxial large-end cylindrical platform 701 and a polygonal projection 702 and the small-end cylindrical platform 703, the small-end cylindrical platform extends into the counterbore 5, the center of the small-end cylindrical platform has a threaded hole 704 that is threadedly connected with the first end of the connecting rod, and the adjustment knob ( The big-end cylindrical platform 701) protrudes out of the casing, so as to facilitate adjustment;

In addition to the above structure, the polygonal bump 702 can also be directly disposed on the large-end cylindrical pedestal 701, that is, a polygon is milled on the large-end cylindrical pedestal 701 near one end of the small-end cylindrical pedestal. The cross-section of the polygonal bump 702 The shape can be square, regular hexagon, etc.

The second end of the connecting rod is hinged with the first end of the swing lock arm 8, and the first end of the swing lock arm 8 has an eccentric bump 9, which is connected to the recessed groove on the side of the positioning chute 10. In cooperation, the hinge shaft of the connecting rod 6 and the swing lock arm 8 is eccentric to the eccentric bump 9, so that when the swing lock arm 8 swings and rotates, the limit slider 4 is pulled by the connecting rod 6 to lock the Picatinny For the guide rail, when the connecting rod and the swing lock arm are arranged in a straight line, the limit slider 4 does not engage the Kartini guide rail, but when the connecting rod and the swing lock arm are arranged vertically, the limit slider 4 is locked to the guide rail. Denny rail snaps.

The polygonal bump 702 is limitedly matched with the inner wall 301 of the channel 3 (that is, the diameter of the inscribed circle of the cross-section of the polygonal bump 702 is equal to the upper and lower distances of the inner wall 301 of the channel 3), so as to limit the adjustment of the adjustment nut between the limit slider and the adjustment After the nut slides into the groove (when the swing lock arm 8 swings at 90 degrees to the connecting rod 6, the connecting rod 6 and the limit slider at the first end and the adjusting nut are pulled by the swing lock arm 8. When the limit slider and the adjusting nut slide into the channel, because the polygonal bump on the adjusting nut is limited by the inner wall of the channel, the polygonal bump and the adjusting nut cannot rotate, that is, The axial movement of the adjusting nut and the limit slider is limited, which is beneficial to ensure the locking of the gun sight and the Picatinny rail and avoid loosening.

The above-mentioned limit slider is a flat block, and the cross section of the channel matches the cross section of the limit slider; the position on the side of the counterbore on the limit slider is provided with an escape opening that is conducive to the limited cooperation between the polygonal bump and the inner wall of the channel 501.

Further, in order to facilitate the deviating of the limit slider from the limit of the Picatinny guide rail, there are steps 14 on both sides of the outer end of the limit slider. There is a compression spring 15 between them. Under the action of the compression spring 15, when the swing lock arm is swung into a straight line with the connecting rod, the limit slider automatically disengages from the limit on the Picatinny guide rail.

Further, in order to facilitate the operation and use and prevent the swing lock arm from loosening, the side groove of the positioning chute 2 is provided with an elastic buckle 11 for locking the middle slot of the swing lock arm. The buckle 11 is hinged in the groove on the side of the positioning chute through a pin, and a torsion spring 12 is provided between the elastic buckle and the groove on the side of the positioning chute. Trend of the notch 16 in the middle of the locking arm.

During the installation operation, swing the swing lock arm to be perpendicular to the connecting rod, and the elastic buckle 11 buckles the middle notch 16 of the swing lock arm 8 to prevent the swing lock arm from accidentally disengaging and causing the limit slider 4 to pair the pickup. The clamping of the Tenny rail fails. When the gun sight needs to be disassembled, swing the elastic buckle 11 out of the buckle of the middle notch of the swing lock arm 8, and swing the swing lock arm into a straight line with the connecting rod. , the limit slider 4 is no longer clamped to the Picatinny rail.

The middle notch of the swing lock arm 8 is in the shape of a stepped hole, and the wall plate body 17 at the side of the middle notch is used for the buckle connection of the upper hook of the elastic buckle, and one end of the elastic buckle has two plates arranged at intervals. 18. Insert the torsion spring 12 between the two plates, one end of the torsion spring is pressed against the inner side of the elastic buckle, and the other end of the torsion spring is pressed against the bottom of the groove 19 on the side of the positioning chute; the outer side of the elastic buckle hook There is a first wedge surface 20 and a second wedge surface 21 on the inner side of the wall plate body to facilitate the sliding in of the wall plate body 17 when the swing lock arm is buckled. In the vertical state, the wall body 17 cooperates with the first wedge surface 20 of the elastic buckle hook through the second wedge surface 21, so that the wall plate body 17 at the side of the middle slot 16 can slide into the elastic buckle upper hook to realize fasten.

As shown in Figure 9-19, another embodiment of the dismounting and assembling and stabilizing structure of the gun sight of the present utility model includes a positioning chute 2 arranged at the bottom of the gun sight 1 along the laser emission direction, and a channel 3 on the side of the positioning chute 2. There is a limit slider 4 for snapping the Picatinny rail on the firearm. The limit slider 4 is telescopically and slidably adjusted along the channel to snap or release the Picatinny rail. The limit slider 4 can pass The screw nut mechanism and the like are used to drive telescopic adjustment. The specific embodiments adopted in this application are as follows:

The positioning chute 2 is perpendicular to the laser emission direction, the center of the limit slider 4 is provided with a hole 5, and the first end of the connecting rod 6 and the adjusting nut 7 screwed on the first end of the connecting rod pass through the hole 5. , the first end of the connecting rod 6 has a thread, the adjusting nut 7 is tubular, and its body is provided with an internal thread that is threaded with the first end of the connecting rod 6, and the adjusting knob connected to the outer end of the adjusting nut extends out of the housing, so as to facilitate Adjustment; the second end of the connecting rod is hinged with the first end of the swing lock arm 8, and the first end of the swing lock arm 8 has an eccentric bump 9, the eccentric bump 9 and the side of the positioning chute The concave groove 10 is matched, and the hinge shaft of the connecting rod 6 and the swing lock arm 8 is eccentric to the eccentric bump 8, so that when the swing lock arm swings and rotates, the limit slider 4 is pulled by the connecting rod 6 to lock the pickup. When the connecting rod and the swivel lock arm are arranged in a straight line, the limit slider 4 does not snap onto the Cardinny guide rail, but when the connecting rod and the swivel lock arm are arranged vertically, the limit slider 4 is paired Cardinny rail snaps.

Further, in order to facilitate the operation and use and prevent the swing lock arm from loosening, the side groove of the positioning chute 2 is provided with an elastic buckle 11 for locking the middle slot of the swing lock arm. The buckle 11 is hinged in the groove on the side of the positioning chute through a pin, and a torsion spring 12 is provided between the elastic buckle and the groove on the side of the positioning chute. The trend of the notch 16 in the middle of the locking arm.

The central notch of the swing lock arm is in the shape of a rectangular through hole, and the wall body is a wall body on the side of the rectangular through hole (as shown in Figure 19); or the middle notch of the swing lock arm is in the shape of a stepped hole, and the wall The plate body is an inwardly convex thinner-walled body to form a stepped hole shape (as shown in Figure 5).

The buckle position of the elastic buckle 11 is set at the middle position of the swing lock arm 8 , which can avoid being set at the end of the buckle and causing the tripping.

The elastic buckle is located at one end of the hook and has a boss 23 that is higher than the plate. The side of the elastic buckle that is opposite to the boss has a step 24 that avoids the swing lock arm. By setting the boss 23, the elastic The thickness of the buckle is increased and the toggle contact area is increased, which increases the strength of the elastic buckle and facilitates operation; and the step 24 is beneficial to avoid the wall 26 of the swing lock arm 8 under the middle slot 16. If the step 24 for avoidance is not made , then the swing lock arm 8 below the middle slot 16 needs to be open, which will reduce the strength of the swing lock arm 8; the middle slot is window-shaped, not open, that is, the swing lock arm is located in the middle slot The peripheral side of the mouth is provided with a wall, so that the strength of the swing lock arm is better, that is, the slot in the middle is in the shape of a window instead of an open one.

The outer surface of the second end (free end) of the swing lock arm is provided with a number of strip-shaped grooves 13 for increasing friction. The strip-shaped grooves 13 facilitate the operator to swing the swing lock arm.

Further, in order to better protect the sight, the outer casing of the above-mentioned gun sight is provided with a protective shell 22, and the lower edge of the protective shell 22 is locked on the gun sight casing by screws, and the protective shell simultaneously shields. The scope itself is already protected by the gun sight shell, but the addition of the protective shell 22 is conducive to further protection. After the adjusting nut 7 is unscrewed, the limit slider will not be ejected directly under the push of the compression spring 15, and the design is more reasonable.

The main difference between the embodiment of FIGS. 1 to 8 (the first embodiment) and the embodiment of FIGS. 9 to 19 (the second embodiment) lies in the limit slider 4 and the adjustment nut 7. The adjustment nut 7 of the first embodiment has a polygonal shape. The bump 702 and the limit slider 4 have an escape opening 501 matched with the polygon bump 702 .

The disassembly and assembly stable structure of the gun sight of the utility model can realize the snapping or loosening of the picatinny guide rail on the gun through the telescopic sliding of the limit slider along the channel, and realize the disassembly and assembly of the gun sight, and the structure is simple and convenient. Easy to operate.

The above are only the embodiments of the present invention, and all equivalent changes or modifications made according to the scope of the patent application of the present invention shall fall within the scope of the present invention.

Claims

A dismantling and assembling and stabilizing structure for a gun sight is characterized in that: it comprises a positioning chute arranged at the bottom of the gun sight along the laser emission direction, and a channel on the side of the positioning chute is provided with a picatin for snapping a firearm. The limit slider of the Picatinny guide rail, the limit slider can be adjusted by telescopic sliding along the channel to buckle or loosen the Picatinny guide rail; the limit slider is provided with a counterbore, and a connecting rod is arranged in the counterbore The first end of the connecting rod and the adjusting nut screwed on the first end of the connecting rod, the adjusting nut is provided with a polygonal projection, and the polygonal projection cooperates with the inner wall of the channel to limit the position of the adjusting nut. The rotation of the slider and adjusting nut after sliding into the groove.
The dismounting and assembling and stabilizing structure of the gun sight according to claim 1, characterized in that: the limit slider is a flat block, and the cross section of the groove is matched with the cross section of the limit slider; the limit slider is located in the countersunk hole The side position of the device has an escape opening that is conducive to the limited cooperation between the polygonal projection and the inner wall of the channel.
The dismounting and assembling and stabilizing structure of a gun sight according to claim 1 or 2, characterized in that: the outer end of the limit slider has stepped platforms on both sides, and the stepped platforms and the shell on the side of the outer end of the positioning chute A compression spring is arranged between the walls; the adjusting nut is in the shape of a stepped platform, which in turn includes a coaxial large-end cylindrical platform, a polygonal convex block and a small-end cylindrical platform, the small-end cylindrical platform extends into the countersink, and the small-end cylindrical platform The center has a threaded hole which is threadedly connected with the first end of the connecting rod.
The dismounting and assembling and stabilizing structure of the gun sight according to claim 1, wherein the second end of the connecting rod is hinged with the first end of the swing lock arm, and the first end of the swing lock arm has Eccentric bump, the eccentric bump cooperates with the concave groove on the side of the positioning chute, so that when the swing lock arm swings and rotates, the limit slider is pulled by the connecting rod to snap the Picatinny guide rail, and the positioning chute side The part is provided with an elastic buckle which is used to fasten the notch in the middle of the swing lock arm.
The dismounting and assembling and stabilizing structure of the gun sight according to claim 4, wherein the side part of the elastic buckle is hinged in the groove of the side part of the positioning chute through the pin shaft, and the elastic buckle and the side part of the positioning chute are hinged in the groove of the side part of the positioning chute. There is a torsion spring between the grooves. The torsion spring makes the elastic buckle tend to be buckled towards the middle slot of the swing lock arm. The outer side of the elastic snap hook has a first wedge surface, and the inner side of the wall plate body has a second wedge surface, so as to facilitate the sliding in of the wall plate body when the swing locking arm is buckled.
A dismounting and assembling and stabilizing structure for a gun sight is characterized in that: it comprises a positioning chute arranged at the bottom of the gun sight along the laser emission direction, a swing lock arm located on the side of the positioning chute, and a swing lock arm for locking the swing lock arm. The elastic buckle of the slot in the middle, the side part of the elastic buckle is hinged in the side groove of the positioning chute through the pin shaft, and a torsion spring is arranged between the elastic buckle and the side groove of the positioning chute. The spring makes the elastic buckle have a tendency to buckle toward the middle notch of the swing lock arm. The wall plate body at the side of the middle notch is used for the buckle connection of the upper hook of the elastic buckle. The outer side of the elastic buckle hook has a first The wedge surface has a second wedge surface on the inner side of the wall plate body, so as to facilitate the sliding in of the wall plate body when the swing locking arm is buckled.
The disassembly and assembly stabilization structure of the gun sight according to claim 6, wherein the end of the elastic buckle away from the hook has two plates arranged at intervals, a torsion spring is inserted between the two plates, and one end of the torsion spring is Press against the inner side of the elastic buckle, and the other end of the torsion spring is pressed against the groove bottom of the groove on the side of the positioning chute; The opposite side of the boss has a step for avoiding the swing lock arm.
The dismounting and assembling and stabilizing structure of the gun sight according to claim 6, wherein the notch in the middle of the swing lock arm is window-shaped, not open.
The dismounting and assembling and stabilizing structure of the gun sight according to claim 6, wherein the notch in the middle of the swing lock arm is in the shape of a rectangular through hole, and the wall body is a wall body in the side part of the rectangular through hole shape; The notch in the middle of the turn-lock arm is in the shape of a stepped hole, and the wall plate body is a relatively thin-walled body that is convex inward to form a stepped hole shape; the channel on the side of the positioning chute is provided with a pikat for snapping the firearms. The limit slider of the Picatinny guide rail, the limit slider can be adjusted by telescopic sliding along the channel to buckle or loosen the Picatinny guide rail; the limit slider is provided with a perforation, and a connecting rod is passed through the perforation. One end and an adjusting nut screwed on the first end of the connecting rod, the second end of the connecting rod is hinged with the first end of the swing lock arm, and the first end of the swing lock arm has an eccentric projection , the eccentric bump is matched with the recessed groove on the side of the positioning chute, so that when the swing lock arm swings and rotates, the limit slider is pulled by the connecting rod to lock the Picatinny guide rail.
The dismounting and assembling and stabilizing structure of a gun sight according to claim 6, 7 or 8, characterized in that: the outer surface of the second end of the swing lock arm is provided with a plurality of strip-shaped grooves for increasing friction; the There are stepped platforms on both sides of the outer end of the limit slider, and a compression spring is arranged between the stepped platform and the shell wall on the side of the outer end of the positioning chute; the outer cover of the shell of the gun sight is provided with a protective shell , the lower edge of the protective shell is locked on the gun sight casing by screws, and the protective shell simultaneously blocks part of the limit slider; the adjusting knob connected to the adjusting nut extends out of the casing to facilitate adjustment.