TW202204845A - Automatic arrow loading device for crossbow capable of reducing the steps of arrow drawing and arrow setting to perform continuous shooting - Google Patents

Abstract

The present invention provides an automatic arrow loading device for a crossbow, which is mainly installed on the crossbow and accommodates a plurality of arrows. The automatic arrow loading device includes: a quiver installed on the top surface of the crossbow, wherein the quiver is cut open from the top to the bottom to provide an arrow placing channel, and the plurality of arrows are arranged with the head ends facing the shooting direction and stacked on each other for being placed in the arrow placing channel; and a pressing arm having one end pivotally assembled in the arrow placing channel of the quiver, and the other end normally pressed against the arrows disposed in the arrow placing channel. Through the operation of the crossbow, the lowermost arrow among the plurality of arrows falls on the crossbow. After shooting, the operation is repeated in combination with the pressing of the pressing arm, so that the lowermost arrow among the plurality of arrows may fall on the crossbow for being shot again, thereby reducing the steps of arrow drawing and arrow setting to perform continuous shooting.

Description

Crossbow automatic arrow device

The invention is an automatic arrow loading device for a crossbow, which mainly relates to the technology in the field of bows and arrows, and the technology lies in the operation and use of the bows and arrows, which can reduce the time of drawing arrows and shorten the shooting process, and provide continuous shooting without excessively frequent refilling, An arrow is a practical invention.

Bows and arrows are one of the popular sports items in today's competitions, and common bows and arrows include bowstrings, gun bodies, firing devices, arrows and other related devices and accessories. In competitions, it is generally to provide users with the convenience of competition , so the user will fasten a quiver at the waist and legs, and place several arrows in the quiver. In the use of bow and arrow shooting, the user must re-draw the arrow from the quiver after each shot. , and re-installation, erection, aiming and other actions. For the users who are dedicated to archery, the process of archery must be completed in one go, and must not be disturbed by the outside world, so as to avoid the loss of sight and misjudgment due to external interference during the archery process. Waiting for the situation to happen, but every time an arrow is fired, it must be restarted, which is a great test for the user in body, mind and spirit.

In view of the above situation, the inventor has devoted a lot of time to research related knowledge, compared the pros and cons, conducted research and development of related products, and went through many experiments and tests, and finally launched a "crossbow automatic arrow loading device" Improve the above defects to meet the needs of the public.

The main purpose of the present invention is to eliminate the steps of drawing and arranging arrows, thereby shortening the shooting steps to achieve coherent firing, so as to maintain extremely high accuracy and stability. Shooting can only be carried out after positioning and installation. This method will easily affect the stability and accuracy of the user's shooting. To this end, the present inventor has tried his best to achieve the purpose and effect of the aforementioned invention. The present invention is an automatic arrow loading device for a crossbow, which is mainly installed on the crossbow and accommodates a plurality of arrow bodies. On the top surface of the bow, the quiver is cut with an arrow channel from the top to the bottom, and the plurality of arrows are placed in the arrow channel with the head end facing the shooting direction and stacked on each other; and a pressing arm , which is pivotally assembled in the arrow placement channel of the quiver box with one end, and the pressing arm is normally pressed against the arrow body located in the arrow placement channel with the other end; wherein, through the operation of the crossbow, the lowermost among the plurality of arrow bodies is made The arrow body falls on the crossbow. After firing, repeat the operation again and cooperate with the pressing arm of the pressing arm, so that the arrow body at the bottom of the plurality of arrow bodies can fall into the crossbow again and shoot again, thereby reducing the draw. The steps of arrows and arrows are provided for the use of continuous shooting.

According to the above-mentioned features of the present invention, the advantage is that the user can provide a plurality of arrow bodies through the installation of the quiver box, which can be simultaneously accommodated in the arrow grooves of the quiver box, and the pressing arm is press-fitted. The crossbow shooting operation enables multiple arrow bodies to accurately drop an arrow body for shooting with each shot. The user does not need to repeatedly extract the arrow bodies, re-install and re-aim, so that the process of continuous shooting It can be done in one go, so that high shooting accuracy and stability can be maintained. Therefore, the present invention can be said to be a practical and progressive invention, which is worthy of promotion by the industry and publicity to the public.

In order to clearly illustrate the above-mentioned objects and effects that the present invention can achieve, the features and effects of the embodiments of the present invention are described in detail with the accompanying drawings. Please refer to the first to the ninth A, an automatic arrow loading device for a crossbow of the present invention, which is mainly installed on the crossbow 1 and accommodates a plurality of arrow bodies 2, which includes: a quiver 3 in the form of a long box The quiver 3 is installed on the top surface of the crossbow 1. The quiver 3 is cut from the top to the bottom with an arrow channel 31, and one end of the arrow channel 31 is further provided with a body 311, and the top surface of the block body 311 is recessed with a groove 312 in a cylindrical shape, and the plurality of arrow bodies 2 are placed in the arrow placement channel 31 with their head ends facing the block body 311 and stacked on each other; And a pressing arm 4, which is pivoted in the arrow slot 31 of the quiver 3 at one end, and the pivoting position of the pressing arm 4 is located above the block 311, and the corresponding groove 312 of the pressing arm 4 is A positioning groove 41 is recessed, and two ends of a spring 5 are respectively inserted into the groove 312 of the block 311 and the positioning groove 41 of the pressing arm 4 , and the other end of the pressing arm 4 is normal by the elastic force of the spring 5 Press against the arrow body 2 located at the top of the arrow placement channel 31; wherein, through the operation of the crossbow 1, the lowermost arrow body 2 of the plurality of arrow bodies 2 falls on the crossbow 1, and is repeated after firing. Operate and cooperate with the pressing of the pressing arm 4, so that the lowermost arrow body 2 of the plurality of arrow bodies 2 can fall into the crossbow 1 again and fire again, thereby reducing the steps of drawing and setting arrows and providing continuous shooting. use.

According to the above description, the structure of the crossbow 1 and the present invention will be described first, and then the continuous shooting process will be carried out. , please refer to the second to fourth figures, for the structural design of the quiver 3, the arrow channel 31 is further divided into a first groove section 313, a second groove section 314 and a third groove section 315, the first groove section 313, the second groove section 314 and the third groove section 315 communicate with each other, and the plurality of arrow bodies 2 respectively have an arrow 21, a nock 22 and an arrow connecting the arrow 21 and the nock 22. The first groove section 313 corresponds to the arrow 21 of the arrow body 2 and provides accommodation, and the third groove section 315 corresponds to the nock 22 of the arrow body 2 and provides accommodation and positioning, while the second groove section 315 corresponds to the nock 22 of the arrow body 2 and provides accommodation and positioning. The slot 314 corresponds to the arrow shaft 23 of the arrow body 2, and the width of the slot of the second slot 314 is smaller than that of the first slot 313 and the third slot 315. The second slot 314 of the arrow slot 31 The wall surface of the arrow body 2 is limited by the arrow shaft 23 of each arrow body 2, which can mainly prevent the arrow body 2 from being skewed during the process of accommodating the arrow body 2 in the arrow groove 31. The body 2 rotates, so that when each arrow body 2 falls into the crossbow 1 and waits to be fired, it can maintain the same position, placement direction, placement angle, etc., so that the user can maintain the consistency of the arrow body 2 placement and shooting during firing. The stability of the rocket (refer to Figure 3 and Figure 3A); in addition to restricting each arrow body 2 by the design of the arrow slot 31, the pressing arm 4 is used to prevent the arrow body 2 from being damaged. The pressing arm 4 is pivoted to the arrow slot 31 of the quiver 3 at one end, and the other end of the pressing arm 4 is barb-shaped and pressed against the uppermost arrow body among the arrow bodies 2, In addition to preventing the uppermost arrow body 2 from being disengaged, the pressure arm 4 can be normally pressed against the uppermost arrow body 2 by the elastic force of the spring 5, and after the lowermost arrow body 2 is set, use The elastic force of the spring 5 continues to exert the downward pressure of the pressing arm 4, and then continues to push the lowermost arrow body 2 to fall into the crossbow 1 and wait for the next shooting use, please refer to the sixth and ninth pictures for the main illustrate.

Continue to describe the structure of the crossbow 1, because there are two operating modes of the crossbow 1, one is the form of hand-pulling and fixing, and the other is the form of using an additional mechanism, such as the swing control of the swing arm mechanism, the form of tension, Therefore, the use of the crossbow 1 in the present invention is not limited by the illustration, and all the crossbow 1 are within the scope of protection of the present invention. The gun body 11, a bowstring assembly 12 and a string buckle assembly 13, the gun body 11 includes a front end 111 and a rear end 112 and has an arrow portion 113 located on the top surface of the front end 111, and the quiver 3 is erected on the The arrow setting portion 113 of the gun body 11, the arrow setting portion 113 is formed concave downward, and a sliding track 114 is formed between the bottom end of the quiver 3 and the arrow setting portion 113, and the pressing arm 4 Press against and push against the plurality of arrow bodies 2 to fall to the arrow placement portion 113 one by one, and the bow string assembly 12 is arranged on the gun body and includes a string arm 121 in the shape of a half moon and a bow string 122, and the string arm 121 is arranged on the The gun body 11 (the main embodiment of the present invention is that the string arm 121 passes through the front end 111 of the gun body 11), and the two ends of the bow string 122 are respectively fixed to the two ends of the string arm 121, and the bow string 122 is located in the sliding The rail 114 is displaced relative to the front end 111 and the rear end 112 of the gun body 11; the string buckle assembly 13 is installed on the gun body 11 and close to the rear end 112, and the string buckle assembly 13 includes a shell seat 131, a limit The position block 132 is an inverted L shape, a link block 133 is a positive L shape, a trigger member 14, a stop member 15, a torsion spring member 16, and an elastic member 17. The housing seat 131 is provided with an accommodation chamber. 134, and the accommodating chamber 134 has a first opening 135 and a second opening 136 that communicate with each other and are arranged adjacent to each other, and an abutting block 137 is set in the central position of the accommodating chamber 134, and the abutting block 137 is formed by the inner part of the accommodating chamber 134. The abutting block 137 is formed by extending the side wall surface of the accommodating chamber 134 at a distance from both sides of the top and bottom of the chamber 134 . Between the top wall surfaces, a first inserting groove 132A and a second inserting groove 132B are recessed in the limiting block 132 corresponding to the abutting block 137 . The first inserting groove 132A and the second inserting groove 132B are spaced apart. 137 is provided with a positioning bead 18 corresponding to the first inserting groove 132A and the second inserting groove 132B of the limiting block 132, and an elastic member 181 is arranged inside the abutting block 137 to elastically push the positioning bead 18 to be engaged with the first inserting groove. 132A, a second inserting groove 132B; the trigger member 14 is pivoted in the chamber 134 with one end, and the other end of the trigger member 14 is protruded from the second opening 136; the linkage block 133 is pivoted in the chamber 134 and located between the abutting block 137 and the trigger piece 14, the linking block 133 is stacked against the trigger piece 14 and at the same time abuts against the other end of the limit block 132, and the two ends of the elastic piece 17 are respectively bounced. Abutting block 133 and abutting block 137; the stopper 15 has one end The pivot is assembled in the accommodating chamber 134 and normally abuts against the linking block 133 , and the other end of the stopper 15 protrudes out of the first opening 135 , and the pivot assembly in the accommodating chamber 134 corresponding to the stopper 15 is protruded A shaft rod 19 is provided, the stopper 15 is pivoted to the shaft rod 19 and oscillated with the shaft rod 19 as the axis, and a side of the stopper 15 corresponding to the arrow body 2 is further recessed with a dodge groove. The main function is to provide the installation and accommodation of the torsion spring (16), and more importantly, to avoid the falling of the arrow body 2, to avoid the back swing of the stopper 15 colliding with the arrow body 2 and causing a misfire. The accommodation chamber 134 An auxiliary rod 191 is arranged inside adjacent to the shaft rod 19, and the torsion spring member 16 is in a figure-eight shape and is sleeved on the shaft rod 19 and the auxiliary rod 191 with two ends respectively. The torsion spring member 16 is driven by elastically driving the stopper 15 Reset after swinging; in addition, a control rod 132C is further protruded from the two sides of the limit block 132, and each control rod 132C passes through the housing base 131 and is located on the sliding track 114, and the toggle system of each control rod 132C controls the limit. The positioning block 132 is displaced and the positioning ball 18 is changed to be snapped into the first embedding groove 132A and the second embedding groove 132B.

According to the above description of the structure of the quiver 3 and the crossbow 1, please refer to the description of the continuous action in Figures 5 to 9A (please refer to the directions of the arrows in each figure), and refer to Figures 3 and 4 for auxiliary reference , before the user shoots, firstly pivot the pressing arm 4 and let the barb-shaped end leave the arrow slot 31, and then place a suitable number of plurals according to the height of the arrow slot 31 of the quiver 3 The arrow body 2, when the plurality of arrow bodies 2 are put into the rear pivoting arms 4 to return to the original position, and because the bowstring 122 has not been tightened towards the rear end 112 of the gun body 11, the bowstring 122 will be located at the front end of the sliding track 114 and restrict the arrow body 2 drops cannot fall on the arrow setting portion 113, and the user installs multiple arrow bodies 2 and completes the pre-firing operation process of operating the crossbow 1, so that the bowstring 122 is pulled in the sliding track 114 toward the stopper 15 of the string buckle assembly 13 , and the stopper 15 has the function of elastically pivoting and resetting due to the setting of the torsion spring 16, so the pulling of the bowstring 122 will push the exposed end of the stopper 15 to pivot toward the chamber 134 until the bowstring is pulled. After the 122 exceeds the stopper 15, the stopper 15 is returned to its original position by the elastic force of the torsion spring 16 and is used to limit the firing of the bowstring 122. At the same time, the arrow body 2 located at the bottom of the arrow placement channel 31 is released from the bowstring. 122, so it can fall to the arrow placement portion 113 of the gun body 11 to wait for firing; and the stopper 15 can limit the firing of the bowstring 122 because the initial position of the stopper 132 is the positioning bead 18 The locking block 132 and the linking block 133 are pressed against and restrained by the first inserting groove 132A, so that the linking block 133 cannot be pivoted. In this way, the linking block 133 can be pushed against the stopper 15 . And limit the firing of the bowstring 122 .

Continuing the above description, after confirming that the arrow body 2 falls on the arrow placement portion 113 of the gun body 11, push each control rod 132C located on the limit block 132, and move the limit block 132 forward, so that the positioning bead 18 is moved from the first The first inserting groove 132A jumps out and is engaged with the second inserting groove 132B. At this time, the restraint between the limiting block 132 and the linking block 133 can be released, and the linking block 133 can be formed into a pivotable state. The user lifts the gun body 11 and depresses the trigger member 14 after confirming the direction and position. The direction of the trigger member 14 is pressed toward the rear end 112 of the gun body 11, and the end of the trigger member 14 located in the chamber 134 is pushed against The interlocking block 133 is pivoted, so that the end of the interlocking block 133 originally abutting against the limiting block 132 swings toward the abutting block 137 , and the end of the interlocking block 133 abutting against the stopper 15 is released from the mutual abutting restriction. The stopper 15 is bounced and pivoted due to the return of the elastic force of the bowstring 122, so that the exposed end of the stopper 15 is pivoted toward the place where the arrow body 2 is placed and slightly pushes the arrow body 2 to move forward, while the bowstring 122 Since it is no longer restricted, it can be ejected toward the arrow body 2. The arrow body 2 can be instantly launched and shot at the target after being ejected by the bowstring 122. After completion, continue to repeat the above operation process to let the next arrow. The body 2 continues to fall on the arrow placement portion 113 of the gun body 11 and continues to shoot until the arrow body 2 installed in the arrow placement channel 31 is used up and then replenished. For the user, it is not necessary to shoot. In the process of repeatedly drawing arrows, setting arrows, aiming, etc., it can continuously shoot in one go, which can not only improve the stability of shooting, but also improve the accuracy of shooting, and also greatly reduce the time in the shooting process. Contributes to the smoothness of the game.

Based on the above description, other technical features of the present invention are discussed in detail. First, the present invention further includes a bottom case 131A and a cover 131B in the design of the housing base 131 , and the chamber 134 is covered by the cover 131B. The bottom case 131A is formed with the bottom case 131A, and the bottom case 131A and the cover 131B are respectively provided with a cut-out groove 131C corresponding to the protruding extension of each control rod 132C of the limit block 132, and each control rod 132C protrudes from the cut-out groove 131C In order for the user to be able to control and toggle it, please refer to the fourth figure; and the shell seat 131 of the string buckle assembly 13 is installed in the gun body 11 at one end and the other end protrudes out of the gun body 11. The quiver 3 is further recessed with a protective groove 32 corresponding to the protrusion of the housing base 131 , and the protective groove 32 is not communicated with the arrow setting groove 31 . The quiver 3 is installed on the top surface of the gun body 11 and has a protective groove. 32 Cover the housing seat 131 to prevent the entry of foreign objects from affecting the firing operation, please refer to Figure 3A; finally, the present invention can install a sight on the top of the quiver 3 and close to the rear end 112 of the gun body 11 6, in order to increase the accuracy of shooting.

Summarizing the technical features of the present invention, the conventional crossbow must be used to shoot a single arrow and then re-extract and re-arrange the arrow. For the users in the competition, it is undoubtedly to interrupt their own spirit and re-arrange the arrow. The original aiming degree is also changed, so the setting of the quiver 3 used in the present invention provides a plurality of arrow bodies 2 that can be directly installed in the arrow slot 31, and the user only needs to repeatedly operate the shooting process to continuously shoot arrows Body 2, do not need to re-draw the arrow and re-aiming, and can complete continuous shooting in one go, which not only saves time but also maintains better accuracy and stability. For wild hunters, because the prey runs extremely fast Quickly, for the arrow-by-arrow shooting, it is too late to install the next arrow, which causes the prey to stray away. Therefore, through the installation of the quiver 3 of the present invention, multiple arrow bodies 2 can be fired in rapid succession to catch the prey. Obviously, the present invention The difficulties and problems encountered in shooting of the conventional crossbow are completely improved, thereby achieving the effect of rapid and continuous shooting. Therefore, the present invention has a certain degree of progress and practicability for related users.

1: Crossbow 11: gun body 111: Front end 112: Backend 113: Arrow setting 114: Sliding track 12: Bowstring Components 121: String Arm 122: Bowstring 13: Buckle String Assembly 131: Shell seat 131A: Bottom case 131B: Cover 131C: Cut trench 132: Limit block 132A: The first insert groove 132B: The second insert groove 132C: Joystick 133: Linkage block 134: Room 135: The first opening 136: Second Opening 137: Block 14: Trigger 15: Stopper 16: Torsion spring parts 17: Elastic 18: Positioning Beads 181: Elastic parts 19: Axle 191: Auxiliary rod 2: Arrow body 21: Arrow 22: Nocking 23: Arrow shaft 3: Arrow box 31: Arrow slot 311: Block 312: Groove 313: First slot segment 314: Second slot segment 315: Third slot segment 32: Protective groove 4: press arm 41: Positioning slot 5: Spring 6: Aimers

The first figure is a three-dimensional schematic diagram of the present invention assembled with a crossbow. The second figure is an exploded perspective view of the present invention and the crossbow. The third figure is an exploded perspective view of the present invention. The third A is a three-dimensional schematic view of the quiver in the other direction. The fourth figure is an exploded perspective view of the string buckle assembly of the second figure. The fifth figure is a schematic cross-sectional view of the V-V line segment of the first figure. The sixth picture is a schematic diagram of the action of the bowstring of the string buckle assembly moving toward the rear end of the gun body and restricting the lowermost arrow body from falling. Figure 6A is a schematic diagram of the movement of the bowstring displacing to the string buckle assembly and pushing against the pivoting stopper. Figure 7 is a schematic diagram of the action of the bowstring pushing against the stopper in Figure 6A and being limited to the rear to wait for firing, and the arrow body at the bottom falls. The eighth figure is a schematic diagram of the movement of the moving limit block to release the safety state, so that the positioning ball is displaced and engaged with the second inserting groove. The ninth figure is a schematic diagram of the action of depressing the trigger to drive the linkage block to swing, and the swing of the linkage block releases the abutment between the stopper and the bowstring with elastic force against the pivotal swing of the stopper. The ninth picture A is a schematic diagram of the action of the stopper pivoting and the bowstring being freed from the restriction and bouncing against and firing the arrow body. The tenth picture is a three-dimensional schematic diagram of the creation of the additional sight.

1: Crossbow

11: gun body

111: Front end

112: Backend

114: Sliding track

12: Bowstring Components

3: Arrow box

4: press arm

Claims (10)

An automatic arrow loading device for a crossbow, mainly installed on the crossbow and accommodating a plurality of arrow bodies, comprising: A quiver is installed on the top surface of the crossbow, the quiver is cut with an arrow channel from the top to the bottom, and the plurality of arrows are placed in the quiver with the head end facing the shooting direction and stacked on each other. in the arrow channel; and a pressing arm, one end of which is pivoted in the arrow placement channel of the quiver, and the other end of the pressing arm normally presses against the arrow body positioned in the arrow placement channel; Among them, through the operation of the crossbow, the arrow body at the bottom of the plurality of arrow bodies falls on the crossbow. After firing, the operation is repeated again and the pressing arm is pressed, so that the arrow body at the bottom of the plurality of arrow bodies can be pressed again. Fall into the crossbow and fire again, thereby reducing the steps of drawing and setting arrows and providing continuous shooting. According to the automatic arrow loading device for a crossbow according to item 1 of the claimed scope, wherein the arrow placement channel of the quiver is further divided into a first groove section, a second groove section and a third groove section, the first groove section A groove section, a second groove section and a third groove section are communicated with each other, in addition, the plurality of arrow bodies respectively have an arrow, a nock tail and a shaft connecting the arrow and the nock tail, and the first groove section corresponds to the arrow body The arrow of the arrow body and provide accommodation, and the third groove section corresponds to the tail of the arrow body and provides accommodation and positioning, and the second groove section corresponds to the arrow shaft of the arrow body, and the notch of the second groove section corresponds to the arrow body. The width is smaller than that of the first groove section and the third groove section, and the wall surface of the second groove section of the arrow placement channel is limited by abutting against the arrow shaft of each arrow body. According to the automatic arrow loading device for a crossbow according to the first item of the scope of the patent application, in addition, one end of the arrow placement channel is further provided with a block, and the top surface of the block is concave with a groove, and the A positioning groove is recessed in the corresponding groove of the pressing arm, and two ends of a spring are respectively inserted into the groove of the block and the positioning groove of the pressing arm, and the other end of the pressing arm is normally pressed by the elastic force of the spring. The top arrow body in the arrow slot. According to the automatic arrow loading device for a crossbow as described in item 2 of the scope of the patent application, in addition, one end of the arrow placement channel is further provided with a block, and the top surface of the block is concave with a groove, and the A positioning groove is recessed in the corresponding groove of the pressing arm, and two ends of a spring are respectively inserted into the groove of the block and the positioning groove of the pressing arm, and the other end of the pressing arm is normally pressed by the elastic force of the spring. The top arrow body in the arrow slot. The automatic arrow loading device for a crossbow according to any one of items 1 to 4 of the scope of the patent application, wherein the crossbow further includes a gun body, a bowstring assembly and a string buckle assembly, and the gun body includes a A front end and a rear end are also provided with an arrow placement portion on the top surface of the front end, and the quiver is erected on the arrow placement portion of the gun body, and a sliding track is formed between the quiver and the arrow placement portion, and the pressing The arm presses and pushes the plurality of arrow bodies to fall to the arrow placement portion, and the bowstring assembly is arranged on the gun body and includes a string arm and a bowstring, the string arm is arranged on the gun body, and both ends of the bowstring are connected are respectively fixed on both ends of the string arm, and the bow string is located in the sliding track and is displaced relative to the front and rear ends of the gun body; The string buckle assembly is installed on the gun body and close to the rear end, and the string buckle assembly includes a shell seat, a limit block, a link block, a trigger member, a stop member, a torsion spring member, and An elastic member, a housing is arranged in the housing, and the housing has a first opening and a second opening that communicate with each other and are arranged adjacent to each other. A blocking block is arranged in the center of the containing block, and the blocking block is connected to The two sides of the top and bottom of the accommodating chamber are arranged at a distance, and the limiting block is in the shape of an inverted L and one end is slidably arranged between the abutting block and the wall of the accommodating chamber, and a first insert is recessed corresponding to the abutting block. a groove and a second inserting groove, and the abutting block is provided with a positioning bead corresponding to the first inserting groove and the second inserting groove of the limiting block, and an elastic member is arranged inside the abutting block to elastically push the positioning bead to be clamped on Either one of the first embedding groove and the second embedding groove; One end of the trigger member is pivoted in the accommodation chamber, and the other end of the trigger member is protruded from the second opening; The link block is pivoted in the container and located between the abutting block and the trigger piece. The link block is stacked on the trigger piece and abuts against the other end of the limit block at the same time, and the two ends of the elastic piece spring against and link with each other. block and block; One end of the stopper is pivotally assembled in the container and normally abuts against the link block, and the other end of the stopper protrudes from the first opening, and a shaft is protruded from the pivot set of the stopper in the container. The stopper is pivoted to the shaft and swings with the shaft as the axis. An auxiliary rod is arranged in the container adjacent to the shaft, and the torsion spring is in a figure 8 shape and is assembled at both ends. A shaft rod, an auxiliary rod, and the torsion spring member elastically drives the stop member to reset after swinging. According to the automatic arrow loading device for a crossbow according to item 5 of the scope of the application, a control rod is further protruded from both sides of the limiting block, and each control rod is tied through the shell seat and is located on the sliding track, and each control rod is The toggle system controls the displacement of the limit block and changes the positioning bead to be clamped in either the first embedding groove or the second embedding groove. According to the automatic arrow loading device for a crossbow according to item 6 of the scope of the application, the housing base further comprises a bottom shell and a cover, and the chamber is formed by covering the cover with the bottom shell, and the The bottom case and the cover are respectively provided with a cut-out groove corresponding to the protruding system of each control rod of the limit block, and each control rod protrudes from the cut-out groove. According to the automatic arrow loading device for a crossbow as described in item 7 of the scope of the patent application, one end of the shell seat of the string buckle assembly is installed in the gun body, and the other end protrudes from the gun body, and the quiver corresponds to the shell seat The protrusion of the gun is further recessed with a protective groove, the quiver is installed on the top surface of the gun body, and the protective groove covers the shell seat. According to the automatic arrow loading device for a crossbow according to item 1 of the scope of the application, a sight is further installed on the top surface of one end of the quiver near the rear end of the gun body. According to the automatic arrow loading device for a crossbow according to item 7 of the scope of the patent application, a sight is further installed on the top surface of one end of the quiver near the rear end of the gun body.

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