A sandbag with retaliatory function
By incorporating sensing elements and control modules into the sandbag to drive the counter-attack arm, the design solves the problem that existing sandbags cannot simulate an opponent's counter-attack, enhancing the realism and defensive awareness of combat training and achieving more efficient training results.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SICHUAN XIAODING TECHNOLOGY CO LTD
- Filing Date
- 2025-06-10
- Publication Date
- 2026-07-17
AI Technical Summary
The existing sandbags cannot simulate the opponent's counterattack, making it difficult to improve the trainee's defensive awareness and adaptability in actual combat.
A sandbag with a counter-attack function was designed. The sensor detects the trainee's strikes, and the control module drives the motor to move the counter-attack arm to counterattack, simulating the opponent's counter-attack action and improving the practicality and relevance of the training.
By simulating the opponent's counterattacks, the trainee's defensive awareness and the quality and efficiency of combat training are improved, and the trainee's reaction speed and ability to deal with different attacks are enhanced.
Smart Images
Figure CN224506217U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of combat training devices, and in particular to a sandbag with a counter-attack function. Background Technology
[0002] Counter-attacking training is an indispensable core skill in combat training. Currently, common training sandbags only provide fixed targets for hitting, which can test the striker's strength and frequency, but cannot simulate the opponent's counterattack.
[0003] As combat sports develop, people have higher expectations for training results and urgently need sandbags that can withstand heavy blows and simulate opponent counterattacks in order to enhance the practicality and relevance of training, improve reaction speed, defensive capabilities, and skills in dealing with different combinations of attacks and counterattacks.
[0004] While there are some counter-attack training methods using simple mechanical devices in the existing technology, the counter-attack movements are mechanical and rigid, making it difficult to improve the trainee's defensive awareness when striking, and failing to effectively enhance the trainee's ability to adapt to changing circumstances in actual combat. Utility Model Content
[0005] In view of the above problems, this utility model provides a sandbag with a counterattack function, the purpose of which is to improve the quality and efficiency of combat training and train the trainees' defensive awareness.
[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows:
[0007] A punching bag with a counter-attack function is provided, comprising: a support frame and a punching bag body, the punching bag body being vertically suspended on the support frame; several sensing elements arranged on the outer surface of the punching bag body for the trainee to strike; a control module disposed within the punching bag body and electrically connected to each sensing element; a motor disposed within the punching bag body and electrically connected to the control module; a counter-attack arm, one end of which is driven to the output shaft of the motor, and the other end of which is used to counter-attack towards the trainee; and a power supply for providing electrical energy.
[0008] Furthermore, several sensing elements are installed on the sandbag body from top to bottom along the direction of gravity.
[0009] Furthermore, at the same horizontal level, several sensing elements are installed on the sandbag itself.
[0010] Furthermore, the sandbag also includes a speed reducer, the input shaft of which is connected to the output shaft of the motor, and the output shaft of which is connected to the counterattack arm.
[0011] Furthermore, the control module includes: a control terminal, the input of which is connected to a sensing element; a speed control chip, the input of which is connected to the output of the control terminal; and a drive module, the input of which is connected to the output of the speed control chip, and the output of which is connected to a motor.
[0012] Furthermore, the control terminal is an Arduino electronic prototyping platform, and the speed control chip is a PWM chip of the Arduino electronic prototyping platform.
[0013] Furthermore, the motor includes a DC motor; the drive module includes a dual H-bridge motor drive chip, wherein the IN1 and IN2 pins of the dual H-bridge motor drive chip are respectively connected to the D9 and D10 pins of the PWM chip; the IN3 and IN4 pins of the dual H-bridge motor drive chip are respectively connected to the D11 and D12 pins of the PWM chip; and the output terminal of the dual H-bridge motor drive chip is connected to the DC motor.
[0014] Furthermore, the motor also includes a servo motor, whose Signal port is connected to the D6 pin of the PWM chip.
[0015] Furthermore, the sandbag also includes: an optocoupler, a MOSFET, and a high-voltage arc module; one end of the optocoupler is connected to a PWM chip, the other end of the optocoupler is connected to a MOSFET, the input end of the high-voltage arc module is connected to the MOSFET, and the output end of the high-voltage arc module is connected to a power supply.
[0016] Furthermore, the sensing element is a vibration sensor module, and the output terminal of the vibration sensor module is connected to the D2 to D5 pins of the PWM chip.
[0017] The beneficial effects of this utility model are as follows: by using this utility model, trainees can complete striking training by hitting sandbags, can randomly trigger the counterattack arm, the counterattack arm can strike towards the trainee, trainees can complete defensive blocking training, train the trainee's defensive awareness, and improve the quality and efficiency of combat training. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the installation structure of a sandbag with a counterattack function provided in an embodiment of this application.
[0019] Figure 2 A schematic diagram of the drive mechanism for a sandbag with a counterattack function provided in an embodiment of this application.
[0020] Figure 3 A schematic diagram of lithium battery power supply provided for an embodiment of this application.
[0021] Figure 4 This is a schematic diagram of lead-acid battery power supply provided in an embodiment of this application.
[0022] The components include: 1. support frame; 2. sandbag body; 3. sensing element; and 4. counterattack arm. Detailed Implementation
[0023] To better understand the above technical solutions, the following will provide a detailed explanation of the technical solutions in conjunction with the accompanying drawings and specific implementation methods.
[0024] Reference Figure 1 and Figure 2 As shown in the figure, this application discloses a sandbag with a counter-attack function, including: a support 1 and a sandbag body 2, the sandbag body 2 being vertically suspended on the support 1; a plurality of sensing elements 3 being arranged on the outer surface of the sandbag body 2 for the trainee to strike; a control module being disposed inside the sandbag body 2 and electrically connected to each sensing element 3; a motor being disposed inside the sandbag body 2 and electrically connected to the control module; a counter-attack arm 4, one end of which is driven to the output shaft of the motor, and the other end being used to counter-attack towards the trainee; and a power supply for providing electrical energy.
[0025] In practical use, the trainee strikes the sensing element 3, which transmits an electrical signal to the control module. The control module then transmits a start signal to the motor, causing the motor's output shaft to rotate, which in turn drives the counterattack arm 4 to move and strike the trainee.
[0026] By using this invention, trainees can hit sandbags to complete striking training, and the counter-attacking arm 4 can also strike towards the trainee, enabling the trainee to complete defensive blocking training.
[0027] By using this invention, past training habits and patterns can be combined to accurately predict and generate diverse counter-attack actions. Compared with traditional, simple, and fixed counter-attack methods, this greatly improves the practicality and relevance of training, and comprehensively enhances the trainee's ability to cope with various complex combat scenarios.
[0028] Preferably, a plurality of sensing elements 3 are provided on the sandbag body 2 from top to bottom along the direction of gravity; and a plurality of sensing elements 3 are provided on the sandbag body 2 at the same horizontal height.
[0029] By distributing several sensing elements 3 on the sandbag body 2, the trainee can randomly strike it, which will randomly trigger the counterattack arm 4 to strike the trainee, thereby improving the quality of the trainee's blocking training.
[0030] Preferably, the sandbag also includes a reducer, the input shaft of which is connected to the output shaft of the motor, and the output shaft of the reducer is connected to the counterattack arm 4.
[0031] Specifically, the motor's output shaft is connected to the reducer's input shaft via a coupling. The reducer can reduce the motor's speed and increase its torque, making the output power more suitable for driving the counterattack arm 4.
[0032] The output shaft of the reducer is connected to the counter-attack arm 4 via a rotating shaft. Preferably, a bearing can also be installed at the rotating shaft to reduce frictional resistance during rotation and ensure that the counter-attack arm 4 can rotate flexibly. When the motor is running, it drives the sliding arm to perform actions such as rapid ejection, rotational counter-attack, and left and right swing counter-attack through the reducer.
[0033] It is worth mentioning that a striking component is installed at the end of the retaliatory arm 4. The striking component can be made to mimic the shape of a human hand, so as to simulate a human hand striking the trainee.
[0034] Specifically, the control module includes: a control terminal, the input of which is connected to the sensing element 3; a speed control chip, the input of which is connected to the output of the control terminal; and a drive module, the input of which is connected to the output of the speed control chip, and the output of which is connected to the motor.
[0035] Specifically, the control terminal is an Arduino electronic prototyping platform, and the speed control chip is a PWM chip of the Arduino electronic prototyping platform.
[0036] Specifically, the sensing element 3 is a vibration sensor module, and the output of the vibration sensor module is connected to the D2 to D5 pins of the PWM chip; the vibration sensor detects the physical impact applied by the trainee to the sandbag body 2 and outputs an electrical signal to the Arduino electronic prototype platform.
[0037] It is worth mentioning that the vibration sensor can also collect data such as the force, speed, and position of the strikes by the trainee against the sandbag body 2, as well as the motion state of the sandbag body 2, and transmit all of this data to the Arduino electronic prototyping platform.
[0038] It's worth mentioning that the Arduino electronic prototyping platform still has a reserved UART / I2C interface for AI camera access.
[0039] Specifically, those skilled in the art can use sensor fusion algorithms to programmatically control the Arduino electronic prototyping platform.
[0040] It is worth mentioning that the vibration sensor can be the SW-420 model; the VCC power supply of the vibration sensor is connected to a 5V power supply.
[0041] Preferably, the motor includes a DC motor; the drive module includes a dual H-bridge motor drive chip, wherein the IN1 and IN2 pins of the dual H-bridge motor drive chip are respectively connected to the D9 and D10 pins of the PWM chip; the IN3 and IN4 pins of the dual H-bridge motor drive chip are respectively connected to the D11 and D12 pins of the PWM chip; and the output terminal of the dual H-bridge motor drive chip is connected to the DC motor.
[0042] Preferably, the motor further includes a servo motor, the Signal port (i.e., control signal interface) of the servo motor is connected to the D6 pin of the PWM chip, and the VCC power supply of the servo motor is also connected to a 5V power supply.
[0043] Reference Figure 3 As shown, the power supply uses a 3S lithium battery (11.1V) to power the DC motor, and also uses an LM2596 step-down module to step down the voltage to 5V to power the servo motor and vibration sensor.
[0044] It is worth mentioning that the motor can also be connected in parallel with a reverse diode (model 1N4007), and a 30A self-resetting fuse can be added to the power input terminal to achieve circuit protection and prevent the back electromotive force generated when the motor is powered off from damaging the control module or other components.
[0045] In the specific connection, the reverse diode is connected in parallel across the motor terminals. The specific port connection rules are as follows: the anode of the reverse diode is connected to the negative terminal of the motor (or the negative terminal of the power supply); the cathode of the reverse diode is connected to the positive terminal of the motor (or the positive terminal of the power supply), thus forming a "reverse parallel" connection.
[0046] The dual H-bridge motor driver chip selected is the L298N model.
[0047] It is worth mentioning that the IN1 and IN2 pins of the dual H-bridge motor driver chip are connected to the D9 and D10 pins of the PWM chip, respectively, to control the left wheel; the IN3 and IN4 pins of the dual H-bridge motor driver chip are connected to the D11 and D12 pins of the PWM chip, respectively, to control the right wheel; thus achieving speed regulation.
[0048] It is worth mentioning that the ENA / ENB interface of the dual H-bridge motor driver chip can also be shorted (full speed) by a jumper cap or speed adjusted by a PWM chip.
[0049] Preferably, the sandbag further includes: an optocoupler, a MOSFET, and a high-voltage arc module; one end of the optocoupler is connected to a PWM chip, the other end of the optocoupler is connected to a MOSFET, one end of the high-voltage arc module is connected to a MOSFET, and the other end of the high-voltage arc module is connected to a power supply.
[0050] It is worth mentioning that the optocoupler is model PC817 and the MOSFET is model IRF540N.
[0051] Reference Figure 4 As shown, the power supply also includes a 12V lead-acid battery, which powers the Arduino electronic prototyping platform and the high-voltage arc module. The high-voltage arc module should be connected to the 12V lead-acid battery to prevent motor interference.
[0052] In this embodiment, the retaliatory arm 4 can be driven by either a servo motor or a DC motor.
[0053] It is worth mentioning that a GND grounding line should also be set up for grounding electronic components that require grounding.
[0054] Understandably, by adjusting the speed using the PWM chip, the counter-attack arm 4 can achieve more flexible counter-attack methods, such as swinging left and right, quick popping, and rotating counter-attack, to simulate the opponent's counter-attack in a real fighting scenario.
[0055] Those skilled in the art will understand that although preferred embodiments of the present invention have been described, those skilled in the art, once they learn the basic inventive concept, can make other changes and modifications to these embodiments. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments as well as all changes and modifications falling within the scope of the present invention. Clearly, those skilled in the art can make various alterations and modifications to the present invention without departing from its spirit and scope. Thus, if these modifications and modifications of the present invention fall within the scope of the machine equivalents of the claims of the present invention, the present invention also intends to include these modifications and modifications.
Claims
1. A sandbag having a counterattack function, characterized by, include: The support (1) and the sandbag body (2) are vertically suspended on the support (1); Several sensing elements (3) are arranged on the outer surface of the sandbag body (2) for the trainee to hit; The control module is located inside the sandbag body (2) and electrically connected to each sensing element (3); The motor is located inside the sandbag body (2) and is electrically connected to the control module; The retaliatory arm (4) has one end connected to the output shaft of the motor and the other end used to retaliate against the trainee. A power source is used to provide electrical energy.
2. The sandbag with a counterattack function according to claim 1, wherein, Along the direction of gravity from top to bottom, the sandbag body (2) is equipped with several sensing elements (3).
3. The sandbag with a counterattack function according to claim 1, wherein At the same horizontal level, several sensing elements (3) are set on the sandbag body (2).
4. The sandbag with a counterattack function according to claim 1, wherein It also includes a speed reducer, the input shaft of which is connected to the output shaft of the motor, and the output shaft of which is connected to the counter-attack arm (4).
5. The sandbag with retaliatory function according to claim 1, characterized in that, The control module includes: The control terminal is connected to the sensing element (3) at its input end; Speed control chip; the input terminal of the speed control chip is connected to the output terminal of the control terminal. The input terminal of the drive module is connected to the output terminal of the speed control chip, and the output terminal of the drive module is connected to the motor.
6. The sandbag with a counterattack function according to claim 5, wherein, The control terminal is an Arduino electronic prototyping platform, and the speed control chip is a PWM chip from the Arduino electronic prototyping platform.
7. The sandbag with retaliatory function according to claim 6, characterized in that, Motors include: DC motors; The drive module includes: a dual H-bridge motor driver chip, with the IN1 and IN2 pins of the dual H-bridge motor driver chip connected to the D9 and D10 pins of the PWM chip respectively; the IN3 and IN4 pins of the dual H-bridge motor driver chip connected to the D11 and D12 pins of the PWM chip respectively; and the output of the L298N dual H-bridge motor driver chip connected to a DC motor.
8. The sandbag with retaliatory function according to claim 6, characterized in that, The motor also includes a servo motor, whose Signal port is connected to the D6 pin of the PWM chip.
9. The sandbag with a counterattack function according to claim 6, wherein Also includes: Optocouplers, MOSFETs, and high-voltage arc modules are used; one end of the optocoupler is connected to the PWM chip, and the other end is connected to the MOSFET. The input of the high-voltage arc module is connected to the MOSFET, and the output of the high-voltage arc module is connected to the power supply.
10. The sandbag with a counterattack function according to claim 6, wherein, The sensing element (3) is a vibration sensor module, and the output terminal of the vibration sensor module is connected to the D2 to D5 pins of the PWM chip.