Self-stabilizing slingshot

Abstract

A self-stabilizing slingshot includes a slingshot handle assembly 4 and a projectile pocket. The bow rack 2 has a support part rotatably mounted on the slingshot handle assembly 4. The support part ha

Description

TECHNICAL FIELD

[0001] The present disclosure relates to the technical field of competitive sports and toys, in particular to a self-stabilizing slingshot. BACKGROUND

[0002] The slingshot is a common traditional sports and game article, and is generally Y-shaped. A rubber band is tied at the top end of the bow, and a projectile pocket is arranged in the center of the rubber band. The traditional slingshot aiming method follows the principle of three points and one line, that is, the centers of the projectile pocket and the Y-shaped bow and the target are located on one line at three points. Otherwise, the stretched lengths of the two rubber bands are inconsistent, resulting in uneven elasticity and projectile misalignment, and even personal injury due to the projectile hit on hands.

[0003] The traditional slingshot not only ensures that the rubber bands and the surface of the bow rack form an isosceles triangle, but also fixes the angle between the isosceles triangle and the rubber band fixed surface. Otherwise, the force on the rubber bands changes every time the projectile is launched, so that different elasticity is generated, and the accuracy is affected. At present, some slingshots are equipped with stable structures on x axis to correct the isosceles triangle between rubber band and the surface of the bow rack, but a few of slingshots can correct the design that the angle between the isosceles triangle and the rubber band fixed surface can be corrected. Mostly, stable mechanisms such as bearings are additionally installed at both ends of the top of the bow rack respectively. This design cannot ensure that the rubber bands at both ends of the bow and the bow are always at the same angle after the projectile pocket is released. The angle between both ends of the rubber band and the bow rack can be great in difference when the rubber bands shrink after the projectile pocket is released, and then the stability is affected to have an effect on users who pursue the accuracy of the slingshot. SUMMARY

[0004] The present disclosure aims to provide a self-stabilizing slingshot so as to solve the problems in the prior art. Rubber bands and the surface of a bow rack form an isosceles triangle and keep perpendicular to a rubber band fixed surface by using a mechanical structure, so that the risk of personal injury that may be caused by beginners when using the slingshot is reduced, and the aiming accuracy is improved.

[0005] In order to realize the purpose, the present disclosure provides the following scheme. The present disclosure provides a self-stabilizing slingshot, including a slingshot handle assembly, a bow rack and a projectile pocket. The bow rack is provided with a support part rotatably mounted on the slingshot handle assembly. A rotation axis of the support part extends vertically, and the parts, located on both sides of the rotation axis, of the support part are connected with bow forks. The two bow forks are distributed at intervals, and a vertical stabilizing ring is rotatably mounted between the two bow forks. The vertical stabilizing ring extends along the direction in which the two bow forks are arranged. A rotation axis of the vertical stabilizing ring extends horizontally along the radial direction and coincides with a bisector of the vertical stabilizing ring. Two hooks are arranged on an inner peripheral wall of the vertical stabilizing ring and distributed along the rotation axis direction of the vertical stabilizing ring. Each hook is connected with a rubber band group. Each rubber band group is internally provided with two rubber bands which extend horizontally and are arranged along the vertical direction. One end, which is not connected with the hook, of each of the two rubber band groups is connected to both ends of the projectile pocket respectively.

[0006] Preferably, the vertical stabilizing ring is rotatably connected to top ends of the two bow forks along two side edges in the same radial direction.

[0007] Preferably, a first mounting hole coaxial with the rotation axis of the vertical stabilizing ring is formed in the top end of the bow fork. A first bearing is coaxially embedded in the first mounting hole. An inner ring of the first bearing is inserted and fixed with a first transmission shaft. The first transmission shaft extends out of an inner end of the first mounting hole and is fixedly connected with the vertical stabilizing ring.

[0008] Preferably, a second mounting hole coaxial with the rotation axis is formed in the support part. A second bearing is coaxially embedded in the second mounting hole. An inner ring of the second bearing is inserted and fixed with a second transmission shaft. A bottom end of the second transmission shaft extends out of the second mounting hole and is fixed on the slingshot handle assembly.

[0009] Preferably, the hook is of a cylindrical structure and the axis is parallel to a plane where the vertical stabilizing ring is located, and the rubber band passes through the hook and is tightened at the hook.

[0010] Preferably, the slingshot handle assembly includes a slingshot handle. The top of the slingshot handle is flat and provided with a blind hole inserted and fixed with the second transmission shaft. An end face of the blind hole is provided with an annular boss coaxial with the blind hole. The annular boss abuts against an end face of the inner ring of the second bearing.

[0011] Preferably, a slot is formed in one side, close to the wrist handle, of the slingshot handle. A wrist support bracket is inserted into the slot. One end, away from the slot, of the wrist support bracket is close to the arm and additionally provided with a pad abutting on the arm.

[0012] Preferably, the slot is equipped with a seal cover, and the seal cover is buckled at an opening of the slot when the slot is not inserted with the wrist support bracket.

[0013] Preferably, a bottom end of the slingshot handle is provided with an auxiliary lighting lamp, and the auxiliary lighting lamp emits light in the rebounding direction of the elastic band.

[0014] Preferably, the auxiliary lighting lamp is equipped with a fixture assembly. The fixture assembly includes an upper fixture and a lower fixture which are detachably connected. The upper fixture is slidably mounted at the bottom end of the slingshot handle along the rebounding direction of the elastic band. The auxiliary lighting lamp is clamped between the upper fixture and the lower fixture.

[0015] Compared with the prior art, the present disclosure has the following technical effects.

[0016] The accuracy of the self-stabilizing slingshot is improved the through the coordination of the bow rack which can rotate along the vertical direction and the annular vertical stabilizing ring. At the same time, other auxiliary modules can also be mounted to improve the user experience, so that the aiming problem when the beginner fails to master the correct bow holding posture of the traditional slingshot is solved, the personal safety of the user is protected, and the accuracy is improved. Under normal use, the isosceles triangle formed by the rubber bands and the surface of the bow rack and the angle between the isosceles triangle and the rubber band fixed surface can be completely ensured, and the phenomenon that the projectile hits the hand due to technical problems of the beginner is basically eliminated, so that the safety is greatly improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] To describe the technical scheme in the embodiments of the present disclosure or in the prior art more clearly, the following briefly introduces the attached figures required for describing the embodiments. Apparently, the attached figures in the following description show merely some embodiments of the present disclosure, and those skilled in the art may still derive other attached figures from these attached figures without creative efforts.

[0018] FIG. 1 is an integral structural schematic diagram of the present disclosure.

[0019] FIG. 2 is an exploded view of an integral structure of the present disclosure.

[0020] FIG. 3 is an exploded view of a structure at a wrist support bracket in the present disclosure.

[0021] FIG. 4 is an exploded view of a structure at an auxiliary lighting lamp in the present disclosure.

[0022] FIG. 5 is a connected schematic diagram of a rubber band group in the present disclosure.

[0023] Reference signs: 1, vertical stabilizing ring; 2, bow rack; 3, wrist support; 4, slingshot handle assembly; 5, upper fixture; 6, lower fixture; 7, auxiliary lighting lamp; 8, hook; 9, first transmission shaft; 10, first bearing; 11, support part; 12, bow fork; 13, second transmission shaft; 14, second bearing; 15, annular boss; 16, slingshot handle; 17, wrist support bracket; 18, pad; 19, fixed clamping piece; 20, guide rod; 21, rubber band group; and 22, projectile pocket. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] The following clearly and completely describes the technical scheme in the embodiments of the present disclosure with reference to the embodiments of the present disclosure. Apparently, the described embodiments are merely a part rather than all of the embodiments of the present disclosure. Based on the embodiment in the present disclosure, all other embodiments acquired by the ordinary technical staff in the art under the premise of without contributing creative labor belong to the scope protected by the present disclosure.

[0025] The present disclosure aims to provide a self-stabilizing slingshot so as to solve the problems in the prior art. Rubber bands and the surface of a bow rack form an isosceles triangle and keep perpendicular to a rubber band fixed surface by using a mechanical structure, so that the risk of personal injury that may be caused by beginners when using the slingshot is reduced, and the aiming accuracy is improved.

[0026] To make the foregoing objective, features and advantages of the present disclosure clearer and more comprehensible, the present disclosure is further described in detail below with reference to the attached figures and specific embodiments.

[0027] As shown in FIG. 1 to FIG. 5, the embodiment provides a self-stabilizing slingshot. The self-stabilizing slingshot includes a slingshot handle assembly 4, a bow rack 2 and a projectile pocket 22. The bow rack 2 is provided with a support part 11 rotatably mounted on the slingshot handle assembly 4. A rotation axis of the support part 11 extends vertically, and the parts, located on both sides of the rotation axis, of the support part 11 are connected with bow forks 12. The two bow forks 12 are distributed at intervals. Preferably, the two bow forks 12 extend upwards and symmetrically distributed with the rotation axis of the support part 11 as the center. The two bow forks 12 are distributed in a Y-shaped structure. Top ends of the two bow forks 12 are distributed at intervals. As another preference, the bow fork 2 is a half octagon with a sealed top, and has a thickness of 5 mm. A vertical stabilizing ring 1 is rotatably mounted between the two bow forks 12. Preferably, the vertical stabilizing ring 1 is of an octagonal annular structure, and has a thickness of 5 mm. The vertical stabilizing ring 1 extends along the direction in which the two bow forks 12 are arranged. A rotation axis of the vertical stabilizing ring 1 extends horizontally along the radial direction and coincides with a bisector of the vertical stabilizing ring 1. The materials of the slingshot handle assembly 4, the bow rack 2 and the vertical stabilizing ring 1 are of certain rigidity and light mass. Two hooks 8 are arranged on an inner peripheral wall of the vertical stabilizing ring 1 and distributed along the rotation axis direction of the vertical stabilizing ring 1. Each hook 8 is connected with a rubber band group 21. Rubber bands with different elastic force can be additionally arranged according to strength and requirements of users. Each rubber band group 21 is internally provided with two rubber bands which extend horizontally and are arranged along the vertical direction. One end, which is not connected with the hook 8, of each of the two rubber band groups 21 is connected to both ends of the projectile pocket 22 respectively.

[0028] Wherein, a main body of the vertical stabilizing ring 1 is almost completely symmetrical with respect to three reference planes, so that the counterweight is balanced and the balance is maintained after the projectile pocket 22 is released, and the rubber bands on both sides are fixed synchronously like a traditional slingshot. During aiming, an isosceles triangle formed by the rubber bands and the bow rack 2 is vertical to a rubber band fixed surface. When the projectile pocket 22 is released, the angular variation of both sides of the rubber bands with the bow is reduced to the maximum extent, and the accuracy of the slingshot is ensured.

[0029] Further, the slingshot handle assembly 4 and the bow rack 2 are rotatably connected, so that the bow rack 2 has a degree of freedom to rotate around the rotation axis. When a user tightens the projectile pocket 22 and cannot ensure that the stretched lengths of the left and right rubber band groups 21 are equal (that is, the isosceles triangle cannot be guaranteed), the different tensile force of the two rubber band groups 21 can be automatically adjusted through the freedom so as to ensure that the rubber band groups 21 and the surface of the bow rack 2 form an isosceles triangle when the projectile pocket 22 is tightened. The vertical stabilizing ring 1 and the bow rack 2 are rotatably connected, so that the vertical stabilizing ring 1 has a degree of freedom to rotate around the rotation axis. When the user tightens the projectile pocket 22 and cannot ensure that the stretched lengths of the upper and lower parts of the rubber band group 21 are the same, the unequal tensile force of the upper and lower parts of the rubber band group 21 can be automatically adjusted through the degree of freedom, so that the rubber band and the surface of the vertical stabilizing ring 1 (the rubber band fixed surface) keep a fixed angle. At the moment when the projectile pocket 22 is released, the stretched lengths of the left and right rubber band groups 21 are equal, and an isosceles triangle is formed. It can be ensured that a projectile is ejected in the center line direction of the bottom edge of the isosceles triangle through stress analysis. The stretched lengths of the upper and lower parts of the rubber band group 21 are equal, and it can be ensured that the projectile is shot in the direction perpendicular to the surface of the vertical stabilizing ring 1 through stress analysis without uneven stress and parabolic shape, so that the shooting accuracy is improved.

[0030] The accuracy of the self-stabilizing slingshot is improved the through the coordination of the bow rack 2 which can rotate along the vertical direction and the annular vertical stabilizing ring 1. At the same time, other auxiliary modules can also be mounted to improve the user experience, so that the aiming problem when the beginner fails to master the correct bow holding posture of the traditional slingshot is solved, the personal safety of the user is protected, and the accuracy is improved. Under normal use, the isosceles triangle formed by the rubber bands and the surface of the bow rack 2 and the angle between the isosceles triangle and the rubber band fixed surface can be completely ensured, and the phenomenon that the projectile hits the hand due to technical problems of the beginner is basically eliminated, so that the safety is greatly improved.

[0031] Wherein, the vertical stabilizing ring 1 is rotatably connected to the top ends of the two bow forks 12 along the two side edges of the vertical stabilizing ring 1 in the same radial direction, so that the rotatable cooperation between the vertical stabilizing ring 1 and the two bow forks 12 can always be ensured no matter whether the two bow forks 12 are distributed in a Y shape or in a semi-frame structure.

[0032] The top end of the bow fork 12 is provided with chamfering to enhance the comfortable feeling. A first mounting hole coaxial with the rotation axis of the vertical stabilizing ring 1 is formed in the top end of the bow fork 12. A first bearing 10 is coaxially embedded in the first mounting hole. The first bearing 10 and the first mounting hole are tightened and connected in interference fit. Preferably, the first mounting hole is a through hole with a diameter (p of 8 mm. Both ends of the first mounting hole are respectively provided with bearing protection covers so as to strengthen a dynamic structure and protect the first bearing 10. The first bearing 10 is a 619-3 deep groove ball bearing. An inner ring of the first bearing 10 is inserted and fixed with a first transmission shaft 9, and the first transmission shaft 9 extends out of an inner end of the first mounting hole and is fixedly connected with the vertical stabilizing ring 1. A through hole for the first transmission shaft 9 to stretch out is formed in the bearing protection cover, and the diameter ip of the through hole is 3 mm.

[0033] Wherein, the top end of the bow fork 12 is of a circular plate-shaped structure. Both side surfaces of the vertical stabilizing ring 1 along the rotation axis are provided with convex structures. A slot for being inserted and matched with the top end of the bow fork 12 is formed in each convex structure, and a through hole for the first transmission shaft 9 to be inserted runs through the slot, so that the top end of the bow fork 12 no longer restricts the rotation of the vertical stabilizing ring 1 when the vertical stabilizing ring 1 rotates.

[0034] Preferably, one end of the first transmission shaft 9 is a threaded segment. A threaded blind hole in threaded connection with the threaded segment is formed in one side, connected with the bow rack 2, of the vertical stabilization ring 1. The other end of the first transmission shaft 9 is provided with a nut. The middle part of the first transmission shaft 9 is a polished rod segment inserted and matched with the inner ring of the first bearing 10. The first transmission shaft 9 passes through the inner ring of the first bearing 10 through the thread segment and then abuts on the threaded blind hole, and then is connected with the threaded segment with the threaded blind hole by being screwed in the nut, so that the polished rod segment enters the inner ring of the first bearing 10 and rotates with the inner ring of the first bearing 10. For the convenience of screwing the first transmission shaft 9 in the nut, a slotted groove is formed in the surface of the nut.

[0035] Further, a second mounting hole coaxial with the rotation axis is formed in the support part 11. A second bearing 14 is coaxially embedded in the second mounting hole. The second bearing 14 and the second mounting hole are tightened and connected in interference fit. The second bearing 14 is a 619-5 deep groove ball bearing. Preferably, the second mounting hole is a through hole with the diameter (p of 13 mm. An annular stair landing with the diameter (p of 10 mm is arranged on an inner peripheral wall of the top end of the second mounting hole to prevent the second bearing 14 from sliding out of the second mounting hole upwards. An inner ring of the second bearing 14 is inserted and fixed with a second transmission shaft 13. A bottom end of the second transmission shaft 13 extends out of the second mounting hole and is fixed on the slingshot handle assembly 4.

[0036] Preferably, the second transmission shaft 13 is of a bolted structure. A threaded blind hole in threaded connection with the second transmission shaft 13 is formed in the slingshot handle assembly 4. After the second transmission shaft 13 passes through the inner ring of the second bearing 14 downwards, the second transmission shaft 13 is connected to the threaded blind hole. The top end of the second transmission shaft 13 is provided with a nut, and a slotted groove is formed in the upper surface of the nut. During actual installation, a strip-shaped hard object such as a coin can be used instead of a screwdriver. The middle part of the second transmission shaft 13 is a polished rod inserted and matched with the inner ring of the second bearing 14.

[0037] In the installation process of the slingshot handle assembly 4, the bow rack 2 and the vertical stabilizing ring 1, if sliding friction connection is directly selected, the wear speed of parts can be increased, the durability of parts is reduced, and then the service life of the slingshot is affected. Therefore, the slingshot handle assembly 4, the bow rack 2 and the vertical stabilizing ring 1 are connected and matched with a rotating shaft by using bearings to realize the rotatable connection between the bow rack 2 and the slingshot handle assembly 4 and between the bow rack 2 and the vertical stabilizing ring 1, so that the service life of the slingshot is prolonged, and the slingshot is easy to replace and repair.

[0038] Wherein, the hook 8 is of a cylindrical structure and can be adapted to most rubber bands for slingshots in the market, and the axis is parallel to a plane where the vertical stabilizing ring 1 is located. The rubber bands pass through the hook 8 and are tightened at the hook 8.

[0039] The slingshot handle assembly 4 includes a slingshot handle 16. The slingshot handle 16 conforms to certain ergonomics, and is moderate in size and convenient for users of different hand types to use. A R5mm fillet is inverted at the positions except the top and the bottom of the slingshot handle 16 and the slot of the wrist support 3, so that the holding comfortable feeling is improved. Four through holes with the diameter (p of 15mm are formed in the side wall of the slingshot handle 16 equidistantly to reduce the weight. The top of the slingshot handle 16 is flat and provided with a blind hole inserted and fixed with the second transmission shaft 13. The blind hole is a threaded blind hole so as to be in threaded connection with the second transmission shaft 13. An end face of the blind hole is provided with an annular boss 15 coaxial with the blind hole. The annular boss 15 abuts against an end face of the inner ring of the second bearing 14.

[0040] The slingshot handle 16 is equipped with a wrist support 3 supported on the arm. A slot is formed in one side, close to the wrist, of the slingshot handle 16. A wrist support bracket 17 is inserted into the slot. One end, away from the slot, of the wrist support bracket 17 is close to the arm and additionally provided with a pad 18 abutting on the arm. Preferably, the pad 18 is a leather pad 18 to ensure the support strength, and is in flexible contact with human skin. When in use, a front end of the wrist support 17 is inserted into the slot, and then the front end of the wrist support 17 is fixed in the slot by bolts to prevent the wrist support 17 from being taken off. The pad 18 abuts on the arm to stably support the wrist support 17 and prevent the tensile force of the slingshot rubber band from being too large so that the stability when the user aims is difficult to maintain and the accuracy is reduced. As a preferred embodiment, the second mounting hole passes through the slot. After the second mounting hole is connected to the second mounting hole through the second transmission shaft 13, the bottom end abuts on the wrist support bracket 17 or is in threaded connection with the wrist support bracket 17 to realize the fixation of the wrist support bracket 17.

[0041] Preferably, the wrist support 17 is bent and formed by a column with the diameter <p of 5 mm, and the materials of the column need to be of certain rigidity and shaping strength.

[0042] As a preferred embodiment of the present disclosure, the slot is equipped with a seal cover. The seal cover is buckled at an opening of the slot when the wrist support bracket 17 is not inserted into the slot. The seal cover should protect the slot from dust and other sundries when the wrist support bracket 17 is not additionally installed. The seal cover should be made of rubber and other materials with good sealing performance, and the size is slightly larger than that of the slot, so that interference fit is shown, and it is ensured that the seal cover cannot fall off.

[0043] Further, a bottom end of the slingshot handle 16 is provided with an auxiliary lighting lamp 7, and the auxiliary lighting lamp 7 emits light in the rebounding direction of the elastic band. For example, the auxiliary lighting lamp 7 can be optionally installed when the slingshot is used under weak light conditions such as at night, and the preferred auxiliary lighting lamp 7 is a small strong light flashlight available in the market, so that the user experience is improved.

[0044] As a preferred embodiment of the present disclosure, the auxiliary lighting lamp 7 is equipped with a fixture assembly. The fixture assembly includes an upper fixture 5 and a lower fixture 6 which are detachably connected. Preferably, the upper fixture 5 and the lower fixture 6 are of semicircular structures so as to adapt the auxiliary lighting lamp 7 of a cylindrical structure. The upper fixture 5 is slidably mounted at the bottom end of the slingshot handle 16 along the rebounding direction of the elastic band. The auxiliary lighting lamp 7 is clamped between the upper fixture 5 and the lower fixture 6. Preferably, the bottom end of the slingshot handle 16 is provided with a guide rail extending along the projectile sending direction. The guide rail is in a convex strip-shaped structure. A guide rail groove in sliding fit with the guide rail and in a strip-shaped structure is formed in the upper fixture 5. Both ends of the guide rail groove are opened. A specific guide rail groove body is formed by splicing the upper fixture 5 and a fixed clamping piece 19. Preferably, the upper fixture 5 and the fixed clamping piece 19 are distributed on both sides along the extending direction perpendicular to the guide rail. A guide hole and a connecting hole are formed in the upper fixture 5 side by side. The fixed clamping piece 19 is provided with a guide rod 20 slidably mounted in the guide hole. A through hole corresponding to the connecting hole is formed in the fixed clamping piece 19, and the fixed clamping piece 19 is equipped with a pre-tightening bolt. After the pre-tightening bolt passes through the through hole in the fixed clamping piece 19, the pre-tightening bolt is in threaded connection into the connecting hole of the upper fixture 5. The guide rod 20 and the pre-tightening bolt are located on the outer side of the guide rail respectively.

[0045] Adaptive changes made according to actual requirements are all within the protection range of the present disclosure.

[0046] It needs to be noted that for those skilled in the art, obviously the present disclosure is not limited to the details of the exemplary embodiment, and the present disclosure can be achieved in other specific forms without departing from the spirit or essential characteristics of the present disclosure. Therefore, for every point, the embodiments should be regarded as exemplary embodiments and are unrestrictive, the scope of the present disclosure is restricted by the claims appended hereto, and therefore, all changes, including the meanings and scopes of equivalent elements, of the claims are aimed to be included in the present disclosure. Any mark of attached figures in the claims should not be regarded as limitation to the involved claims.

[0047] Specific examples are used for illustration of the principles and implementation methods of the present disclosure. The description of the above-mentioned embodiments is used to help illustrate the method and its core principles of the present disclosure. In addition, those skilled in the art can make various modifications in terms of specific embodiments and scope of application in accordance with the teachings of the present disclosure. In summary, the contents of this specification should not be understood as the limitation of the present disclosure.

Claims

1. A self-stabilizing slingshot, comprising a slingshot handle assembly, a bow rack and a projectile pocket, wherein the bow rack is provided with a support part rotatably mounted on the slingshot handle assembly, a rotation axis of the support part extends vertically, the parts, located on both sides of the rotation axis, of the support part are connected with bow forks, the two bow forks are distributed at intervals, a vertical stabilizing ring is rotatably mounted between the two bow forks, the vertical stabilizing ring extends along the direction in which the two bow forks are arranged, a rotation axis of the vertical stabilizing ring extends horizontally along the radial direction and coincides with a bisector of the vertical stabilizing ring, two hooks are arranged on an inner peripheral wall of the vertical stabilizing ring and distributed along the rotation axis direction of the vertical stabilizing ring, each hook is connected with a rubber band group, each rubber band group is internally provided with two rubber bands which extend horizontally and are arranged along the vertical direction, and one end, which is not connected with the hook, of each of the two rubber band groups is connected to both ends of the projectile pocket respectively.

2. The self-stabilizing slingshot according to claim 1, wherein the vertical stabilizing ring is rotatably connected to top ends of the two bow forks along two side edges in the same radial direction.

3. The self-stabilizing slingshot according to claim 2, wherein a first mounting hole coaxial with the rotation axis of the vertical stabilizing ring is formed in the top end of the bow fork, a first bearing is coaxially embedded in the first mounting hole, an inner ring of the first bearing is inserted and fixed with a first transmission shaft, and the first transmission shaft extends out of an inner end of the first mounting hole and is fixedly connected with the vertical stabilizing ring.

4. The self-stabilizing slingshot according to claim 2 or 3, wherein a second mounting hole coaxial with the rotation axis is formed in the support part, a second bearing is coaxially embedded in the second mounting hole, an inner ring of the second bearing is inserted and fixed with a second transmission shaft, and a bottom end of the second transmission shaft extends out of the second mounting hole and is fixed on the slingshot handle assembly.

5. The self-stabilizing slingshot according to claim 4, wherein the hook is of a cylindrical structure and the axis is parallel to a plane where the vertical stabilizing ring is located, and the rubber band passes through the hook and is tightened at the hook.

6. The self-stabilizing slingshot according to claim 5, wherein the slingshot handle assembly comprises a slingshot handle, the top of the slingshot handle is flat and provided with a blindhole inserted and fixed with the second transmission shaft, an end face of the blind hole is provided with an annular boss coaxial with the blind hole, and the annular boss abuts against an end face of the inner ring of the second bearing.

7. The self-stabilizing slingshot according to claim 6, wherein a slot is formed in one side, close to the wrist, of the slingshot handle, a wrist support bracket is inserted into the slot, and one end, away from the slot, of the wrist support bracket is close to the arm and additionally provided with a pad abutting on the arm.

8. The self-stabilizing slingshot according to claim 7, wherein the slot is equipped with a seal cover, and the seal cover is buckled at an opening of the slot when the slot is not inserted with the wrist support bracket.

9. The self-stabilizing slingshot according to claim 8, wherein a bottom end of the slingshot handle is provided with an auxiliary lighting lamp, and the auxiliary lighting lamp emits light in the rebounding direction of the elastic band.

10. The self-stabilizing slingshot according to claim 9, wherein the auxiliary lighting lamp is equipped with a fixture assembly, the fixture assembly comprises an upper fixture and a lower fixture which are detachably connected, the upper fixture is slidably mounted at the bottom end of the slingshot handle along the rebounding direction of the elastic band, and the auxiliary lighting lamp is clamped between the upper fixture and the lower fixture.

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