Electric bullet supply system of shotgun

Abstract

The utility model discloses an electric bullet supply system of a shotgun. The electric bullet supply system is used for improving the bullet standby quantity of the shotgun on unmanned equipment. Comprising a shotgun bullet chain, an electric bullet supply assembly and a bullet box, the shotgun bullet chain is installed in the bullet box, the electric bullet supply assembly is installed on a shotgun, the bullet box is installed on an unmanned platform, the electric bullet supply assembly comprises a motor base, a bullet inlet channel is formed in the motor base, and the shotgun bullet chain is input into the shotgun through the bullet inlet channel; a motor, a motor gear, a middle gear and a shotgun bullet shifting gear which are sequentially in power connection are installed on the motor base, the shotgun bullet shifting gear is installed on a shotgun bullet shifting wheel shaft, the shotgun bullet shifting wheel shaft is installed on the motor base through a bearing, a shotgun bullet shifting wheel is fixed to the shotgun bullet shifting wheel shaft and located on a shotgun bullet feeding channel, and the motor can drive the shotgun bullet shifting wheel to drive a shotgun bullet chain to supply shotgun bullet. The tail end of the bullet inlet channel is connected with a gun body bullet inlet, and the gun body bullet inlet is communicated with a bullet inlet of the shotgun.

Description

Technical Field

[0001] This utility model relates to the field of unmanned weapon equipment technology, and in particular to an electric ammunition feeding system for shotguns. Background Technology

[0002] The rapid development of unmanned weapons and equipment has created a strong demand for light weapons. Automatic shotguns are characterized by their powerful close-range firepower and wide kill area, enabling rapid fire suppression and killing of enemies encountered head-on within a 50-meter range. They also possess a certain ability to counter low-speed, small drones at close range and are often mounted on various small unmanned vehicles and other unmanned equipment. However, standard shotguns were originally designed primarily for individual soldier use, with magazine capacities not exceeding 8 rounds. When used on unmanned equipment, their sustained firepower is poor, severely limiting the application of shotguns on unmanned equipment. Utility Model Content

[0003] The purpose of this invention is to overcome the shortcomings of the existing technology and provide an electric ammunition feeding system for shotguns to increase the ammunition capacity of shotguns in unmanned equipment.

[0004] The purpose of this utility model is achieved as follows:

[0005] An electrically powered shotgun feeding system includes a shotgun belt, an electrically powered feeding assembly, and a magazine. The shotgun belt is housed in the magazine, the electrically powered feeding assembly is mounted on the shotgun, and the magazine is mounted on an unmanned platform.

[0006] The electric feeding assembly includes a motor base with a feeding channel. The shotgun ammunition belt is fed into the shotgun through the feeding channel. The motor base is equipped with a motor, a motor gear, an intermediate gear, and a feed gear that are connected in sequence. The feed gear is mounted on a feed wheel shaft, which is mounted on the motor base via bearings. A feed wheel is fixed on the feed wheel shaft and is located on the feeding channel. The motor can drive the feed wheel, which in turn drives the shotgun ammunition belt to feed the shot. The end of the feeding channel is connected to the gun body's feed port, which is connected to the shotgun's feed port.

[0007] Preferably, the links of the shotgun ammunition belt are provided with a front positioning part, a rear positioning part, and a shell-holding part. The front positioning part and the rear positioning part are used to restrict the forward and backward movement of the shotgun, and the shell-holding part is used to hold the shotgun. The shell-holding part is provided with a hook structure, which is used to connect the links into a shotgun chain.

[0008] Preferably, the links of the shotgun ammunition belt are provided with a chain removal space, which is located between the front positioning part of the ammunition belt, the rear positioning part of the ammunition belt, and the ammunition holding part.

[0009] The feed channel is equipped with a chain-removing tooth. When the shotgun chain passes through the chain-removing tooth, the chain-removing tooth is inserted into the chain-removing space and stopped, so that the links of the shotgun chain are separated from the shot. The feed channel is provided with a chain outlet at the corresponding separation point.

[0010] Preferably, the feed channel is L-shaped, with an arc-shaped channel at the corner and a rectangular channel for the rest of the feed channel. The inlet of the feed channel is a flared opening, the feed wheel is located inside the corner of the feed channel, and the chain teeth are located outside the corner of the feed channel, with the thickness of the chain teeth gradually increasing along the feed direction.

[0011] Preferably, the gun body's feed port is provided with a fixing lug, which is used to prevent the shotgun from locking up when empty.

[0012] Preferably, the motor has a braking function after being powered on.

[0013] Preferably, the tweezers are loosely fitted onto the tweezers shaft, and a tweezers adapter flange is fixed on the tweezers. The tweezers adapter flange is fixedly connected to the input end of the torque limiter, and the output end of the torque limiter is circumferentially positioned on the tweezers shaft. The output torque of the torque limiter can be adjusted, so that the tweezers' tweeting force can be adjusted by the torque limiter.

[0014] Due to the adoption of the above technical solution, this utility model has the following beneficial effects:

[0015] By designing the shotgun ammunition belt, electric feeding assembly, and ammunition box, and matching the output torque of the torque limiter, the ejector thrust, and the ejector force, and combining the fire control matching motor speed and shotgun radio frequency, the shotgun can switch from magazine feeding to belt feeding. The system is simple to operate, safe and reliable to use, and helps to increase the ammunition capacity of the shotgun, improve the firepower sustainability of the shotgun when used on unmanned platforms, expand the application range of shotguns, and enrich the types of weapons that can be installed on unmanned platforms. Attached Figure Description

[0016] Figure 1 This is a perspective view of the present utility model;

[0017] Figure 2 This is a schematic diagram illustrating the application of this utility model in a shotgun;

[0018] Figure 3 This is a perspective view of the links of the shotgun chain of this utility model;

[0019] Figure 4 A 3D diagram of a shotgun chain consisting of three shotgun shells connected in series;

[0020] Figure 5 This is a longitudinal sectional view of the gear transmission component;

[0021] Figure 6 This is a cross-sectional view of the gear transmission component.

[0022] Figure 7 Cross-sectional view of the feed wheel shaft section;

[0023] Figure 8 This is a cross-sectional view of the section excluding the chain teeth;

[0024] Figure 9 This is a cross-sectional view of the bullet inlet section of the gun.

[0025] Figure Labels

[0026] In the attached diagram: 1-Shotgun ammunition belt, 2-Electric feeding assembly, 3-Ammunition box, 4-Motor base, 5-Motor, 6-Feeding channel, 7-Motor gear, 8-Intermediate gear, 9-Feeding gear, 10-Feeding gear adapter flange, 11-Torque limiter, 12-Feeding wheel shaft, 13-Feeding wheel, 14-Clearing chain teeth, 15-Feeding wheel cover, 16-Ammunition inlet of the gun body;

[0027] 101-Front positioning part of the ammunition belt, 102-Rear positioning part of the ammunition belt, 103-Ammunition holding part, 104-Chain removal space, 1601-Fixing lug. Detailed Implementation

[0028] The embodiments of this utility model will be further described in detail below with reference to the accompanying drawings.

[0029] This utility model is designed with the direction of firearm firing in front as the front.

[0030] like Figure 1 and Figure 2 The illustrated shotgun electric feeding system includes a shotgun belt 1, an electric feeding assembly 2, and a magazine 3. Shotgun shells are connected in a chain via the shotgun belt 1. Figure 4 As shown, multiple rounds can be connected in series and loaded into the ammunition box 3. The electric feeding assembly 2 is mounted on the shotgun. When in use, the ammunition box 3 is mounted on the platform as a container for ammunition. The chained shotgun shells are decoupled from the ammunition box and fed by the electric feeding assembly 2.

[0031] like Figure 3 As shown, the shotgun ammunition belt 1 is provided with a front positioning part 101, a rear positioning part 102, a shell-holding part 103, and a chain removal space 104. The front and rear positioning parts can restrict the forward and backward movement of the shotgun shells, and the shell-holding part 103 encloses the shotgun shells and connects them into a chain. Figure 4 As shown, multiple shotgun shells are chained together and stored in the ammunition box 3. When needed, they are extracted and loaded into the electric feeding assembly 2. The design of the shell-holding section 103 of the shotgun chain 1 is matched to the output torque of the shell-holding force and torque limiter 11, ensuring that the output torque can drive the chain removal and reliably feed the shells. The chain removal space 104 is designed to accommodate the chain removal teeth 14 so that the chain removal teeth 14 can remove the shotgun chain 1 as shown. Figure 8 As shown.

[0032] like Figure 5 , Figure 6 and Figure 7The electrically powered ammunition feeding assembly 2 shown includes a motor mount 4, a motor 5, an ammunition feed channel 6, a motor gear 7, an intermediate gear 8, a feed gear 9, a feed gear adapter flange 10, a torque limiter 11, a feed wheel shaft 12, a feed wheel 13, a chain removal tooth 14, a feed wheel cover 15, and a magazine inlet 16. The motor mount 4 is the main load-bearing structure of the electrically powered ammunition feeding assembly 2, and the remaining components and bearings are mounted on the motor mount 4. Figure 6 As shown, motor 5 is mounted on motor base 4. Motor gear 7 is connected to the output shaft of motor 5. Intermediate gear 8 is mounted on motor base 4 via bearings, and motor gear 7 meshes with intermediate gear 8. Pulley wheel shaft 12 is mounted on motor base 4 via bearings. Pulley gear 9 is mounted on pulley wheel shaft 12 and can slide relative to pulley wheel shaft 12. Intermediate gear 8 meshes with pulley gear 9. Pulley gear 9 is fixedly connected to pulley gear adapter flange 10. Pulley gear adapter flange 10 is fixedly connected to the input end of torque limiter 11. The output end of torque limiter 11 is connected to pulley wheel shaft 12 via a key. Pulley wheel shaft 12 is fixedly connected to pulley wheel 13. The output torque of torque limiter 11 is adjustable within a certain range, meaning the pulley force of pulley wheel 13 can be adjusted by torque limiter 11. Figure 8 As shown, the feed channel 6 is an L-shaped channel with an arc-shaped corner. The inner cavity of the channel is rectangular, the channel entrance is a flared mouth, and the channel exit is connected to the gun body feed port 16. The feed channel 6 is mounted on the motor base 4. The feed wheel 13 is located inside the corner of the feed channel 6. Except for the chain tooth 14, which is mounted outside the corner of the feed channel 6, the feed wheel cover 15 is mounted on the motor base 4 to cover the feed wheel 13.

[0033] After being powered on, motor 5 has a braking function to prevent the chained shotgun shells from dislodging when firing stops. The feeding force of the feed wheel 13 must be sufficient to push the chained shotgun shells off the chain and to push them to the gun's feed port 16. At the same time, the feeding force of the feed wheel 13 cannot be too large, otherwise it will affect the reliability of the shotgun firing. At this time, the output torque of the torque limiter 11 needs to be matched and adjusted. During shotgun firing, motor 5 needs to continuously output power to ensure that the feed wheel 13 continuously pushes the shotgun shells to the gun's feed port 16. The speed of motor 5 needs to be matched with the shotgun's radio frequency, so that the feeding speed is slightly greater than the shotgun's radio frequency. Motor 5 starts working in advance when the shotgun is firing and starts working after a delay after firing stops to ensure timely feeding. After being powered on, motor 5 has a braking function. When the shotgun shells are pushed to the gun's feed port 16 by the feed wheel 13, the feed wheel 13 stops rotating, and motor 5 will still work after a delay. The torque limiter 11 will slip and output a constant torque to ensure a constant feeding force.

[0034] When using this shotgun's electric feeding system, first thread the shotgun shells into the shotgun belt 1, determine the required number of rounds, and then stack the chain of shells in the ammunition box 3. The ammunition box 3 is installed on the unmanned platform, and the electric feeding assembly 2 is installed on the shotgun. Figure 2As shown, connect the power supply cable to the motor of the electric feeding assembly 2. Take out one end of the chain shot and place it into the entrance of the feeding channel 6, and continue to push it into the feeding channel 6. At the same time, manually rotate the torque limiter 11 to drive the feed wheel 13 to rotate until the feed wheel 13 feeds the shot to the gun body feed port 16. The gun body feed port 16 is equipped with a fixing lug 1601 to prevent the shotgun from locking up when empty. Pull the bolt into place and release it to complete the first round loading. Power on the motor through the fire control system, the motor brakes, and the shotgun electric feeding system enters the ready-to-fire state. When firing in single-shot mode, the firing mechanism switches to single-shot mode. Before pulling the trigger, the fire control command controls the motor 5 to rotate. The motor 5 drives the feed wheel 13 to rotate via the motor gear 7, intermediate gear 8, feed gear 9, feed gear adapter flange 10, torque limiter 11, and feed wheel shaft 12. Since the first shot is manually loaded, the first shot is already in the chamber. The second shot approaches the feed port 16 of the gun body. The feed wheel 13 feeds one shot, and the second shot reaches the feed port 16 of the gun body. The feed channel 6 is filled with shot, and the feed wheel 13 will be blocked. At this time, the torque limiter 11 will slip and continuously output a constant torque between the feed wheel 13 and the feed port 16 of the gun body. The shot provides the thrust of the cartridge case. After the trigger is pulled, the shot in the chamber is fired and ejected. The bolt recoils and then returns to its original position, pushing the second shot from the feed port 16 into the chamber. If the stop motor 5 operates for a delay and then stops the brake, the third shot is pushed to the feed port 16 during the delay. At this time, the chained shot is moved by the feed wheel 13 in the feed channel 6. The de-chaining teeth 14 are inserted into the de-chaining space 104 on the shot chain 1. As the feed wheel 13 continues to move, the shot chain 1 separates from the shot. The separated shot continues to be moved by the feed wheel 13 towards the feed port 16. The subsequently separated shot pushes the preceding shot until it reaches the feed port 16. Figure 8 and Figure 9 As shown. Repeat the above actions when starting single-shot firing again. During burst fire, the electric feed assembly 2 operates the same before and after the trigger is pulled as during single-shot firing. During firing, the motor 5 continuously rotates, continuously feeding rounds through the transmission mechanism. The last 5 shotgun shells in the feed channel 6 cannot reach the shotgun chamber due to the lack of subsequent shot, requiring reloading, or the last 5 rounds can be dummy rounds.

[0035] Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although the utility model has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made to it in form and detail without departing from the scope defined by the claims of this utility model.

Claims

1. An electric feeding system for a shotgun, characterized in that: It includes a shotgun ammunition belt, a power-operated feeding assembly, and an ammunition box. The shotgun ammunition belt is housed in the ammunition box, the power-operated feeding assembly is mounted on the shotgun, and the ammunition box is mounted on an unmanned platform. The electric feeding assembly includes a motor base with a feeding channel. The shotgun ammunition belt is fed into the shotgun through the feeding channel. The motor base is equipped with a motor, a motor gear, an intermediate gear, and a feed gear that are connected in sequence. The feed gear is mounted on a feed wheel shaft, which is mounted on the motor base via bearings. A feed wheel is fixed on the feed wheel shaft and is located on the feeding channel. The motor can drive the feed wheel, which in turn drives the shotgun ammunition belt to feed the shot. The end of the feeding channel is connected to the gun body's feed port, which is connected to the shotgun's feed port.

2. The electric feeding system for a shotgun according to claim 1, characterized in that: The links of the shotgun ammunition belt are provided with a front positioning part, a rear positioning part, and a holding part. The front and rear positioning parts are used to restrict the forward and backward movement of the shotgun shells, and the holding part is used to hold the shotgun shells. The holding part is provided with a hook structure, which is used to connect the links into an ammunition belt.

3. The electric feeding system for a shotgun according to claim 1, characterized in that: The links of the shotgun ammunition belt are provided with a chain removal space, which is located between the front positioning part of the ammunition belt, the rear positioning part of the ammunition belt, and the ammunition holding part. The feed channel is equipped with a chain-removing tooth. When the shotgun chain passes through the chain-removing tooth, the chain-removing tooth is inserted into the chain-removing space and stopped, so that the links of the shotgun chain are separated from the shot. The feed channel is provided with a chain outlet at the corresponding separation point.

4. The electric feeding system for a shotgun according to claim 3, characterized in that: The feed channel is L-shaped, with an arc-shaped channel at the corner and a rectangular channel for the rest. The entrance to the feed channel is a flared opening. The feed wheel is located inside the corner of the feed channel, except that the chain teeth are located outside the corner of the feed channel, and the thickness of the chain teeth gradually increases along the feed direction.

5. The electric feeding system for a shotgun according to claim 1, characterized in that: The gun body has a fixing lug on the bullet inlet, which is used to prevent the shotgun from being locked in place when the bolt is empty.

6. The electric feeding system for a shotgun according to claim 1, characterized in that: The motor has a brake function after being powered on.

7. The electric feeding system for a shotgun according to claim 1, characterized in that: The feed gear is loosely fitted on the feed wheel shaft. A feed gear adapter flange is fixed on the feed gear. The feed gear adapter flange is fixedly connected to the input end of the torque limiter. The output end of the torque limiter is circumferentially positioned on the feed wheel shaft. The output torque of the torque limiter can be adjusted, so that the feed force of the feed wheel can be adjusted through the torque limiter.

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