CN213578937U

CN213578937U - Throwing device

Info

Publication number: CN213578937U
Application number: CN202022512200.9U
Authority: CN
Inventors: 卢冠廷
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-03
Filing date: 2020-11-03
Publication date: 2021-06-29
Anticipated expiration: 2030-11-03

Abstract

The utility model discloses a catapult, which comprises a main frame, wherein the main frame is provided with a launching groove, a launching seat is arranged in the launching groove, and the rear part of the main frame is provided with a trigger mechanism for limiting the launching seat; the main frame is internally provided with an energy storage component, a force application component and a force transmission component; the energy storage assembly comprises an energy storage ratchet wheel and a vortex spring sleeved on an energy storage ratchet wheel shaft, the trigger mechanism is clamped with the energy storage ratchet wheel, the force application assembly comprises a force application ratchet wheel and a force application rod hinged to the force application ratchet wheel shaft, and a clamping piece for limiting the force application ratchet wheel and a corresponding clamping piece control trigger are arranged in the force application rod; the force transmission assembly comprises two guide wheels, two pulleys, an energy storage inhaul cable and a traction cable; the energy storage zipper winds around the two guide wheels, two ends of the energy storage zipper are respectively fixed with the energy storage ratchet shaft and the force application ratchet shaft, the traction cable is arranged around the two pulleys, the launching seat is fixed with the traction cable, and the energy storage cable and the traction cable are connected through a locking piece; the catapult has the advantages of small size, convenience in carrying, adjustable launching power and large shooting range.

Description

Throwing device

Technical Field

The utility model relates to a transmitting device, concretely relates to catapult.

Background

The launching device was originally developed, among which the cold weapon king bow was gradually used in modern times as a sport, leisure or hunting article, and conventional bow crossbows were mostly made of a bow piece and a bow string. For example, patent document CN201715928U discloses a novel energy storage device for crossbow, in which a combination roller and a tension spring are fixedly mounted inside a vertical crossbow body by using bolt pins; the combined roller consists of two rollers with different diameters, the two large rollers and the small roller in the middle keep synchronous rotation, the string pushing the arrow is divided into two strands which are respectively wound on the two large-diameter rollers of the combined roller, and the string connecting the tension spring is wound on the small-diameter roller of the combined pulley. The utility model adopts the vertical crossbow body to make the crossbow compact and simple in structure and good in portability; the combined roller and the tension spring are adopted in the crossbow body, so that the initial speed of the crossbow when the arrow is shot is improved, and the operation is labor-saving; although the bow body is vertically arranged in the document and is reduced in size compared with a transverse bow body, the size of the bow body is still larger than that of a modern thermal weapon, and the bow body is inconvenient to carry. In addition, no matter what material is adopted for manufacturing, the upper limit of the tension of the bow piece is lower, the shooting range of the shooting device cannot be broken through in the design form, and the shooting device cannot shoot marbles similar to circles or marbles with other shapes.

SUMMERY OF THE UTILITY MODEL

To the technical problem that above-mentioned exists, the utility model provides a catapult solves the bow and crossbow because the big inconvenience of size is carried, receives the material restriction range on the small side and unable adaptation ammunition class transmission.

In order to realize the purpose, the utility model discloses the technical scheme who takes is:

a catapult comprises a main frame, wherein a launching groove is formed in the main frame, a launching seat is arranged in the launching groove, and a trigger mechanism for limiting the launching seat is arranged at the rear part of the main frame; an energy storage component, a force application component and a force transmission component are arranged in the main frame; the energy storage assembly comprises an energy storage ratchet wheel and a vortex spring sleeved on an energy storage ratchet wheel shaft, the trigger mechanism is connected with the energy storage ratchet wheel, the force application assembly comprises a force application ratchet wheel and a force application rod hinged to the force application ratchet wheel shaft, and a clamping piece for limiting the force application ratchet wheel and a corresponding clamping piece control trigger are arranged in the force application rod; the force transmission assembly comprises two guide wheels, two pulleys, an energy storage inhaul cable and a traction cable; the energy storage inhaul cable is wound around the two guide wheels, two ends of the energy storage inhaul cable are fixed with the energy storage ratchet shaft and the force application ratchet shaft respectively, the traction cable is arranged around the two pulleys, the launching seat is fixed with the traction cable, and the energy storage inhaul cable and the traction cable are connected through the locking piece.

Further, in the ejector, the trigger mechanism comprises a release trigger, a connecting rod and a rocker, the middle of the release trigger is hinged to the main frame, the upper portion of the release trigger is hinged to one end of the connecting rod, the other end of the connecting rod is hinged to one end of the rocker, and the other end of the rocker is clamped into teeth of the energy storage ratchet wheel.

Further, in the catapult, the launching seat is arranged in the launching groove in a sliding manner.

The embodiment of the utility model provides a beneficial effect is:

1. the vortex spring is used as an energy storage part, the traditional design of a bow piece and a bow string is abandoned, and the vortex energy storage device has the advantages of small size and convenience in carrying;

2. when the force application rod of the force application assembly is rotated, the force application ratchet wheel continuously rotates, the energy storage cable starts to be continuously wound on the force application ratchet wheel shaft, the other end of the energy storage cable drives the energy storage ratchet wheel to rotate in the process, the vortex spring is continuously tightened to store energy until no energy storage cable is wound on the energy storage ratchet wheel shaft, and then the trigger mechanism is clamped with the energy storage ratchet wheel; the magnitude of the energy storage capacity is particularly related to the selected limit force of the vortex spring and the length of the energy storage inhaul cable, and the energy storage capacity of the vortex spring can break through the upper limit of the traditional arch tension by adopting the vortex spring to store energy, so that the energy storage device has the advantage of large range;

3. the bow and arrow can be fixed on the launching seat, and the round projectile can be fixed, so that the application range is wide.

Drawings

FIG. 1 is a schematic view of the ejector of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1A-A;

FIG. 3 is a cross-sectional view of FIG. 1B-B;

FIG. 4 is a cross-sectional view of FIG. 1C-C;

FIG. 5 is a cross-sectional view of FIG. 1D-D;

fig. 6 is a schematic structural view of the emission groove being a groove-shaped body.

Reference numerals in the drawings of the specification include: the main frame 1, the launching groove 2, the launching seat 3, the energy storage ratchet 4, the vortex spring 5, the force application ratchet 6, the force application rod 7, the clamping piece 8, the control trigger 9, the guide wheel 10, the pulley 11, the energy storage inhaul cable 12, the traction cable 13, the locking piece 14, the release trigger 15, the connecting rod 16 and the rocker 17.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1: refer to fig. 1 to 5

The scheme provides a catapult, which comprises a main frame 1; the main frame 1 is provided with a launching slot 2, the launching slot 2 is a tubular body or a slot-shaped body, in the embodiment, the launching slot 2 is a tubular body, a launching seat 3 is arranged in the launching slot 2, and the rear part of the main frame 1 is provided with a trigger mechanism for controlling the launching seat 3; the main frame 1 is internally provided with an energy storage component, a force application component and a force transmission component; the energy storage assembly comprises an energy storage ratchet wheel 4 and a vortex spring 5 sleeved on the shaft of the energy storage ratchet wheel 4, the trigger mechanism is connected with the energy storage ratchet wheel 4, the force application assembly comprises a force application ratchet wheel 6 and a force application rod 7 hinged to the shaft of the force application ratchet wheel 6, and a clamping piece 8 for limiting the force application ratchet wheel 6 and a corresponding clamping piece 8 control trigger 9 are arranged in the force application rod 7; the force transmission assembly comprises two guide wheels 10, two pulleys 11, an energy storage inhaul cable 12 and a traction cable 13; the energy storage zipper bypasses the two guide wheels 10, two ends of the energy storage zipper are respectively fixed with the energy storage ratchet wheel 4 shaft and the force application ratchet wheel 6 shaft, the traction cable 13 is arranged around the two pulleys 11, and the launching seat 3 and the traction cable 13 are fixed, and the energy storage cable 12 and the traction cable 13 are connected through a locking piece 14.

The using method comprises the following steps: specifically, the firing is finished once, at this time, the firing base 3 is placed at the outlet end of the firing slot 2, an arrow or a projectile is clamped on the firing base 3, the trigger mechanism is separated from the energy storage ratchet 4, then the clamping piece 8 and the force application ratchet 6 are clamped in an anti-reverse manner (the reverse direction is opposite to the force application direction of the force application ratchet 6) through operating the control trigger 9, and then the position of the control trigger 9 is fixed; the force application rod 7 is rotated, the force application rod 7 drives the force application ratchet 6 to rotate (the force application ratchet 6 is specifically shown to rotate anticlockwise in the drawing), when the force application ratchet 6 rotates, the energy storage cable 12 is continuously tensioned to the shaft of the force application ratchet 6, the other end of the energy storage cable 12 drives the energy storage ratchet 4 to rotate, the vortex spring 5 continuously tightens energy storage in the rotating process of the energy storage ratchet 4 until the vortex spring 5 is in a limited tightening state or the energy storage cable 12 is not wound on the shaft of the energy storage ratchet 4, the maximized energy storage of the vortex spring 5 is completed, because the traction cable 13 and the energy storage cable 12 are connected through the locking piece 14, when the energy storage cable 12 is continuously wound on the shaft of the force application ratchet 6, the traction cable 13 drives the launching seat 3 to be pulled inwards from the outlet end of the launching slot 2 until the launching seat 3 is arranged at the innermost part of the launching slot 2, then the trigger mechanism is clamped with the energy storage ratchet 4, at this time, the arrow is in a state of waiting for sending. When the launching operation is needed, the trigger mechanism is only needed to be pulled to be separated from the energy storage ratchet wheel 4, the energy storage ratchet wheel 4 rotates clockwise as shown in the figure, the energy storage cable 12 is continuously wound on the shaft of the energy storage ratchet wheel 4, meanwhile, the energy storage cable 12 drives the force application ratchet wheel 6 to rotate reversely to continuously supply the energy storage cable 12 wound on the force application ratchet wheel 6 to the energy storage ratchet wheel 4, when the energy storage cable 12 is continuously supplied to the direction of the energy storage ratchet wheel 4, because the energy storage cable 12 and the traction cable 13 are connected at the lower part of the pulley 11 through the locking piece 14, the energy storage cable 12 drives the traction cable 13 at the lower part of the pulley 11 to move towards the direction of the energy storage ratchet wheel 4, the traction cable 13 at the upper part of the pulley 11 moves towards the direction far away from.

Example 2: with reference to FIG. 1

Compared with the embodiment 1, the difference is that the trigger mechanism can be designed into various forms; for example: the trigger mechanism comprises a release trigger 15, a connecting rod 16 and a rocker 17, the middle part of the release trigger 15 is hinged with the main frame 1, the upper part of the release trigger 15 is hinged with one end of the connecting rod 16, the other end of the connecting rod 16 is hinged with one end of the rocker 17, the other end of the rocker 17 is clamped into the teeth of the energy storage ratchet 4, and the rocker 17 is designed into a pawl shape; when the energy storage ratchet wheel needs to be launched, the release trigger 15 is pulled to move, the release trigger 15 rotates on the main frame 1, the connecting rod 16 is driven to rotate when the release trigger 15 rotates, the connecting rod 16 drives the rocker 17 to swing, and therefore the rocker 17 is separated from the energy storage ratchet wheel 4 to complete the launching action; the launching seat 3 is arranged in the launching slot 2 in a sliding mode, so that the influence of the matching tolerance of the launching seat 3 and the launching slot 2 on a launching track can be reduced during design.

Example 3: refer to FIG. 6

Compared with the embodiment, the difference is that the launching groove 2 is arranged to be a groove-shaped body, compared with a tubular body, the launching seat 3 is convenient to inspect and maintain, and arrow placement is more convenient.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. A catapult, comprising a main frame (1); the method is characterized in that: the main frame (1) is provided with an emission groove (2), an emission seat (3) is arranged in the emission groove (2), and the rear part of the main frame (1) is provided with a trigger mechanism for controlling the emission seat (3); an energy storage component, a force application component and a force transmission component are arranged in the main frame (1); the energy storage assembly comprises an energy storage ratchet wheel (4) and a vortex spring (5) sleeved on the shaft of the energy storage ratchet wheel (4), the trigger mechanism is clamped with the energy storage ratchet wheel (4), the force application assembly comprises a force application ratchet wheel (6) and a force application rod (7) hinged to the shaft of the force application ratchet wheel (6), and a clamping piece (8) for limiting the force application ratchet wheel (6) and a corresponding clamping piece (8) are arranged in the force application rod (7) to control a trigger (9); the force transmission assembly comprises two guide wheels (10), two pulleys (11), an energy storage inhaul cable (12) and a traction cable (13); energy storage cable (12) are walked around two guide pulleys (10), and both ends are fixed with energy storage ratchet (4) axle and application of force ratchet (6) axle respectively, traction cable (13) are arranged around two pulleys (11), and launch seat (3) and traction cable (13) are fixed, connect through locking piece (14) between energy storage cable (12) and traction cable (13).

2. The ejector of claim 1, wherein: the trigger mechanism comprises a release trigger (15), a connecting rod (16) and a rocker (17), the middle of the release trigger (15) is hinged to the main frame (1), the upper portion of the release trigger (15) is hinged to one end of the connecting rod (16), the other end of the connecting rod (16) is hinged to one end of the rocker (17), and the other end of the rocker (17) is clamped into teeth of the energy storage ratchet (4).

3. The ejector of claim 1 or 2, wherein: the launching seat (3) is arranged in the launching groove (2) in a sliding mode.