Clamping force monitoring gun stock for shooting training

Abstract

According to the clamping force monitoring gun stock for shooting training, the shoulder of a trainer extrudes a shoulder pad to compress a guide spring, so that an outer pressure spring deforms, an outer pressure block is pushed to move towards the bottom of a mounting groove, and an outer pressure sensor is pressed. When the shoulder pad is tightly attached to the gunstock body, the trainer completes the preparation action that the shoulders abut against the gunstock, and the maximum external pressure P1 is detected by the external pressure sensor; after shooting, recoil pushes the shoulder to move backwards, the guide spring pushes the shoulder pad to be separated from the gunstock body, the inner pressure spring is released, and the inner pressure block is pushed to move towards the inner pressure sensor. And when the inner pressure block is in contact with the inner pressure sensor, the inner pressure sensor detects the inner pressure P2, and the shooting stability is unqualified. The external pressure and the internal pressure feed back whether the shooting posture of the trainee is standard or not and whether shooting is stable or not in real time, shooting judgment is conducted from the three dimensions before shooting, during shooting and after shooting in combination with the shooting adjustment duration t, and therefore the shooting ability of the trainee is improved in an all-around mode.

Description

Technical Field

[0001] The invention relates to the technical field of gun stock brackets, in particular to a clamping force monitoring gun stock for shooting training. Background Art

[0002] Live-fire shooting training is an important process for improving firearms skills and combat capabilities, and aims to cultivate the shooter's accuracy, speed and reaction ability.

[0003] The more accurate the shooting posture and the higher the strength stability during the shooting process, the better the force method and effect will be. Therefore, shooting posture and strength stability are important factors in evaluating the shooting ability of the trainees.

[0004] Currently, the effectiveness of live-fire training training is primarily evaluated through manual observation and statistical analysis of shooting results. These methods suffer from a single evaluation dimension and high subjectivity. Traditional evaluation methods focus on accuracy and shooting time, neglecting the shooting posture and force stability during the shooting process. This is due to the lack of testing tools that can quantitatively assess shooting posture and force stability. Consequently, it is difficult to incorporate shooting posture and force stability into the evaluation of live-fire training effectiveness, resulting in a one-sided evaluation that fails to fully reflect the trainees' shooting abilities and existing problems. Summary of the Invention

[0005] The purpose of the present invention is to provide a clamping force monitoring gunstock for shooting training, which can quantitatively analyze the force mode and effect of the trainee when shooting, thereby quantitatively evaluating the shooting posture and force stability.

[0006] The key to a clamping force monitoring stock for shooting training is that it comprises a stock body and a shoulder pad, wherein the stock body is provided with a mounting groove and at least two shoulder pad limiting cavities symmetrically arranged beside the mounting groove, a limiting plate is fixed in the shoulder pad limiting cavity, the limiting plate divides the shoulder pad limiting cavity into an inner chamber and an outer channel, a shoulder pad connecting block is provided in the shoulder pad limiting cavity, the body end of the shoulder pad connecting block falls into the inner chamber, the inner chamber limits the body end to prevent the shoulder pad connecting block from separating from the stock body, the outer end of the shoulder pad connecting block extends out of the outer channel and is fixedly connected to the shoulder pad, a guide spring is sleeved on the outer end, one end of the guide spring abuts against the shoulder pad, and the other end of the guide spring extends into the outer channel and abuts against the limiting plate;

[0007] A circle of mounting bosses is fixed to the sidewall of the mounting groove, at least one external pressure sensor is mounted on the outer side of the mounting bosses, and the external pressure sensor faces the opening of the mounting groove, and at least one internal pressure sensor is mounted on the inner side of the mounting bosses, and the internal pressure sensor faces the bottom of the mounting groove;

[0008] An external pressure block covering all external pressure sensors is provided on the outside of the mounting boss, and an internal pressure block covering all internal pressure sensors is installed on the inside of the mounting boss. The external pressure block and the internal pressure block are connected by a connecting rod, and an external pressure spring abuts against the external pressure block and the shoulder pad, and an internal pressure spring abuts against the internal pressure block and the bottom of the mounting groove;

[0009] The external pressure sensor and the internal pressure sensor output pressure data.

[0010] The outer pressure block and the inner pressure block have the same diameter and match the diameter of the installation groove.

[0011] The trainee's shoulder squeezes the shoulder pad, compressing the guide spring. This causes the external pressure spring to deform, pushing the external pressure block toward the bottom of the mounting slot and pressing the external pressure sensor. When the shoulder pad is firmly in contact with the stock, the trainee completes the preparatory movement of pressing their shoulder against the stock, and the external pressure sensor detects maximum external pressure P1.

[0012] After firing, recoil pushes the shoulder backward, the guide spring pushes the shoulder pad away from the stock body, and the internal pressure spring releases, pushing the internal pressure block toward the internal pressure sensor. When the internal pressure block contacts the internal pressure sensor, the internal pressure sensor detects an internal pressure of P2, indicating a failure in shooting stability.

[0013] At the same time, the time from the disappearance of the maximum external pressure P1 to the reappearance of the maximum external pressure P1 is recorded as the adjustment time t. The shorter the adjustment time t is, the faster the trainee adjusts the shooting posture and the higher the shooting stability.

[0014] Based on the above maximum external pressure P1, internal pressure P2 and adjustment time t, the trainee's shooting can be graded and judged:

[0015] Grade A (full score): The maximum external pressure P1 exists throughout the entire shooting process, and the adjustment time t is equal to 0;

[0016] Grade B (qualified): During the entire shooting process, internal pressure P2 does not appear, and the adjustment time t is greater than 0;

[0017] Grade C (Unqualified): Internal pressure P2 appears during the entire shooting process.

[0018] In summary, the above-mentioned external pressure, internal pressure and adjustment time can quantitatively analyze the force mode and effect before, during and after shooting, thereby indirectly providing quantitative feedback on shooting posture and force stability.

[0019] Furthermore, the sum of the elastic forces of all the guide springs is greater than the sum of the elastic forces of the external pressure spring and the internal pressure spring.

[0020] External pressure springs and internal pressure springs are vibration-sensing springs, and it is not suitable to use springs with too high a stiffness coefficient.

[0021] Furthermore, the outer pressure block, the inner pressure block and the connecting rod constitute a pressure piece, the cross section of which is an "I" shape, with its two horizontal arms being the outer pressure block and the inner pressure block respectively, and the vertical arm being the connecting rod.

[0022] The pressure piece is made of lightweight alloy, which has the advantages of light weight and high strength. At the same time, it can ensure that the connecting rod is not easily displaced.

[0023] Furthermore, a coil mounting groove is formed on the side wall of the mounting boss, an induction coil is mounted in the coil mounting groove, and the connecting rod passes through the induction coil;

[0024] The connecting rod is provided with a magnetic core mounting groove, in which a magnetic core is fixed;

[0025] The induction coil outputs an electromagnetic induction waveform.

[0026] The magnetic core moves inside the induction coil following the connecting rod, generating electromagnetic induction. The induction coil outputs an electromagnetic induction waveform corresponding to the external pressure. The B level is scored based on this waveform and the adjustment time t, thereby more accurately quantifying the force method and effect.

[0027] Furthermore, the outer pressure block, the inner pressure block and the connecting rod are connected by a pressure bolt, which passes through the outer pressure block and the connecting rod in sequence and is fixed to the inner pressure block.

[0028] Furthermore, one end of the external pressure spring is bonded to the external pressure block, and the other end of the external pressure spring is in contact with the shoulder pad;

[0029] One end of the internal pressure spring is bonded to the internal pressure block, and the other end of the internal pressure spring is in contact with the bottom of the installation groove.

[0030] Furthermore, an external pressure spring installation slot is formed on the shoulder pad, and the external pressure spring falls into the external pressure spring installation slot;

[0031] An internal pressure spring installation groove is provided at the bottom of the installation groove, and the internal pressure spring falls into the internal pressure spring installation groove.

[0032] Furthermore, the shoulder pad connecting block has a T-shaped cross section, wherein the horizontal arm is the main body end and the vertical arm is the extension end.

[0033] Furthermore, all the shoulder pad limiting cavities are arranged around the installation slot.

[0034] Furthermore, the shoulder pad is tightly fitted to the buttstock body to form a complete buttstock.

[0035] Beneficial effects: External pressure, internal pressure and adjustment duration can provide quantitative feedback on the force method and effect before, during and after shooting.

[0036] At the same time, the magnetic core follows the connecting rod to move back and forth in the induction coil, generating electromagnetic induction. The induction coil outputs an electromagnetic induction waveform that corresponds to the external pressure and internal pressure, thereby providing real-time feedback on the force method and effect before, during, and after shooting.

[0037] The more accurate the shooting posture and the more stable the force, the better the force method and effect.

[0038] In summary, in the evaluation of live-fire shooting training effects, the present invention can reliably evaluate the trainee's shooting posture and strength stability on the basis of shooting hit rate and shooting time, thereby comprehensively evaluating the trainee's shooting ability and reflecting the trainee's shooting ability and existing problems in multiple dimensions. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] Figure 1 A schematic cross-sectional view of the free state of a gun stock for monitoring the clamping force used in shooting training;

[0040] Figure 2 for Figure 1 The enlarged schematic diagram of part a;

[0041] Figure 3 is a schematic cross-sectional view of the pressure piece;

[0042] Figure 4 Schematic diagram of the cross section of the buttstock preparation state for monitoring the clamping force for shooting training. DETAILED DESCRIPTION

[0043] The specific implementation manner and working principle of the present invention will be further described in detail below with reference to the accompanying drawings.

[0044] like Figure 1 、 2As shown, a clamping force monitoring stock for shooting training comprises a stock body 1 and a shoulder pad 2, wherein the stock body 1 is provided with a mounting slot 11 and at least two shoulder pad limiting cavities 13 symmetrically arranged beside the mounting slot 11, and all the shoulder pad limiting cavities 13 are arranged around the mounting slot 11; a limiting plate 131 is fixed in the shoulder pad limiting cavity 13, and the limiting plate 131 is connected to the stock body 1 by at least two limiting bolts 81; the limiting plate 131 divides the shoulder pad limiting cavity 13 into an inner chamber and an outer channel, and a shoulder pad is provided in the shoulder pad limiting cavity 13. The connecting block 8 has a T-shaped cross-section, wherein the horizontal arm is the main body end and the vertical arm is the extended end; the main body end falls into the inner chamber, and the inner chamber limits the main body end to prevent the shoulder pad connecting block 8 from separating from the butt body 1. The extended end extends out of the outer channel and is fixedly connected to the shoulder pad 2. The extended end is connected to the shoulder pad 2 through a shoulder pad bolt 21; a guide spring 9 is mounted on the extended end, and one end of the guide spring 9 abuts against the shoulder pad 2, and the other end of the guide spring 9 extends into the outer channel and abuts against the limiting plate 131.

[0045] A circle of mounting bosses 12 are fixed to the sidewalls of the mounting groove 11. The mounting bosses 12 are connected to the buttstock body 1 via at least two boss bolts 121. At least one external pressure sensor 5a is mounted on the outside of the mounting bosses 12, with the external pressure sensor 5a opening toward the mounting groove 11. At least one internal pressure sensor 5b is mounted on the inside of the mounting bosses 12, with the internal pressure sensor 5b facing the bottom of the mounting groove 11.

[0046] like Figure 2 、 3 As shown, a pressure piece is installed in the installation groove 11, and the pressure piece is composed of an external pressure block 4a, an internal pressure block 4b, a connecting rod 4c and a pressure bolt 4d. The cross-section of the pressure piece is "I"-shaped, and its two horizontal arms are the external pressure block 4a and the internal pressure block 4b, and the vertical arm is the connecting rod 4c. The pressure bolt 4d passes through the external pressure block 4a and the connecting rod 4c in sequence, and is threadedly connected to the internal pressure block 4b, and the pressure bolt 4d is also threadedly connected to the connecting rod 4c.

[0047] The outer pressure block 4 a and the inner pressure block 4 b have the same diameter, and match the diameter of the installation groove 11 .

[0048] like Figure 2 As shown, the external pressure block 4a is located outside the mounting boss 12 and covers all external pressure sensors 5a; the internal pressure block 4b is located inside the mounting boss 12 and covers all internal pressure sensors 5b;

[0049] like Figure 2As shown, an external pressure spring 6a is connected between the external pressure block 4a and the shoulder pad 2, and an internal pressure spring 6b is connected between the internal pressure block 4b and the bottom of the mounting groove 11; the external pressure sensor 5a and the internal pressure sensor 5b output pressure data.

[0050] In addition to the above structure, one end of the external pressure spring 6a can be bonded to the external pressure block 4a, and the other end of the external pressure spring 6a can be abutted against the shoulder pad 2; one end of the internal pressure spring 6b can be bonded to the internal pressure block 4b, and the other end of the internal pressure spring 6b can be abutted against the bottom of the mounting groove 11.

[0051] In the above structure, the sum of the elastic forces of all the guide springs 9 is greater than the sum of the elastic forces of the outer pressure spring 6 a and the inner pressure spring 6 b.

[0052] like Figure 2 As shown, a coil mounting groove 121 is formed on the side wall of the mounting boss 12, in which the induction coil 3 is mounted, and the connecting rod 4c passes through the induction coil 3; a magnetic core mounting groove 4c1 is formed on the connecting rod 4c, in which a magnetic core 10 is fixed, and the magnetic core 10 is made of an iron-gallium alloy material; the induction coil 3 outputs an electromagnetic induction waveform.

[0053] like Figure 4 As shown, the shoulder pad 2 is tightly fitted to the buttstock body 1 to form a complete buttstock.

[0054] like Figure 1 、 2 As shown, a module groove is opened on the side wall of the mounting boss 12, and the module groove is close to the opening of the mounting groove 11. A signal transmission module 7 is installed in the module groove, and the signal transmission module 7 is connected to the induction coil 3, the external pressure sensor 5a and the internal pressure sensor 5b; the signal transmission module 7 is connected to the display device outside the buttstock.

[0055] In addition to the above structure, an external pressure spring mounting groove can be opened on the shoulder pad 2, so that the external pressure spring 6a falls into the external pressure spring mounting groove to limit the external pressure spring 6a; an internal pressure spring mounting groove can be opened at the bottom of the mounting groove 11, so that the internal pressure spring 6b falls into the internal pressure spring mounting groove to limit the internal pressure spring 6b.

Claims

1. A clamping force monitoring buttstock for shooting training, characterized in that: The invention comprises a buttstock body (1) and a shoulder pad (2), wherein the buttstock body (1) is provided with a mounting groove (11) and at least two shoulder pad limiting cavities (13) symmetrically arranged beside the mounting groove (11); a limiting plate (131) is fixed in the shoulder pad limiting cavity (13); the limiting plate (131) divides the shoulder pad limiting cavity (13) into an inner cavity and an outer channel; a shoulder pad connecting block (8) is provided in the shoulder pad limiting cavity (13); the body end of the shoulder pad connecting block (8) falls into the inner cavity; the outer extension end of the shoulder pad connecting block (8) extends out of the outer channel and is fixedly connected to the shoulder pad (2); a guide spring (9) is mounted on the outer extension end; one end of the guide spring (9) abuts against the shoulder pad (2); the other end of the guide spring (9) extends into the outer channel and abuts against the limiting plate (131); A circle of mounting bosses (12) is fixed to the side wall of the mounting groove (11); at least one external pressure sensor (5a) is mounted on the outer side of the mounting bosses (12), and the external pressure sensor (5a) faces the opening of the mounting groove (11); at least one internal pressure sensor (5b) is mounted on the inner side of the mounting bosses (12), and the internal pressure sensor (5b) faces the bottom of the mounting groove (11); An external pressure block (4a) covering all external pressure sensors (5a) is provided on the outside of the mounting boss (12), and an internal pressure block (4b) covering all internal pressure sensors (5b) is installed on the inside of the mounting boss (12); the external pressure block (4a) and the internal pressure block (4b) are connected via a connecting rod (4c), and an external pressure spring (6a) is in contact between the external pressure block (4a) and the shoulder pad (2), and an internal pressure spring (6b) is in contact between the internal pressure block (4b) and the bottom of the mounting groove (11); The external pressure sensor (5a) and the internal pressure sensor (5b) output pressure data.

2. The clamping force monitoring buttstock for shooting training according to claim 1, characterized in that: The sum of the elastic forces of all the guide springs (9) is greater than the sum of the elastic forces of the outer pressure spring (6a) and the inner pressure spring (6b).

3. The clamping force monitoring buttstock for shooting training according to claim 1, characterized in that: The outer pressure block (4a), the inner pressure block (4b), and the connecting rod (4c) form a pressure piece. The cross section of the pressure piece is in an "I" shape, the two horizontal arms of the pressure piece are the outer pressure block (4a) and the inner pressure block (4b), and the vertical arm is the connecting rod (4c).

4. The clamping force monitoring buttstock for shooting training according to claim 3, characterized in that: A coil mounting groove (121) is formed on the side wall of the mounting boss (12), an induction coil (3) is mounted in the coil mounting groove (121), and the connecting rod (4c) passes through the induction coil (3); The connecting rod (4c) is provided with a magnetic core installation groove (4c1), and a magnetic core (10) is fixed in the magnetic core installation groove (4c1); The induction coil (3) outputs an electromagnetic induction waveform.

5. The clamping force monitoring gunstock for shooting training according to claim 3, characterized in that: The outer pressure block (4a), the inner pressure block (4b), and the connecting rod (4c) are connected via a pressure bolt (4d). The pressure bolt (4d) passes through the outer pressure block (4a) and the connecting rod (4c) in sequence and is then fixed to the inner pressure block (4b).

6. The clamping force monitoring gunstock for shooting training according to claim 1, characterized in that: One end of the external pressure spring (6a) is bonded to the external pressure block (4a), and the other end of the external pressure spring (6a) is in contact with the shoulder pad (2); One end of the internal pressure spring (6b) is bonded to the internal pressure block (4b), and the other end of the internal pressure spring (6b) is in contact with the bottom of the installation groove (11).

7. The clamping force monitoring buttstock for shooting training according to claim 1, characterized in that: An external pressure spring installation groove is formed on the shoulder pad (2), and the external pressure spring (6a) falls into the external pressure spring installation groove; An internal pressure spring installation groove is formed at the bottom of the installation groove (11), and the internal pressure spring (6b) falls into the internal pressure spring installation groove.

8. The clamping force monitoring gunstock for shooting training according to claim 1, characterized in that: The shoulder pad connecting block (8) has a T-shaped cross section, wherein the horizontal arm is the main body end and the vertical arm is the extension end.

9. The clamping force monitoring gunstock for shooting training according to claim 1, characterized in that: All the shoulder pad limiting cavities (13) are arranged around the installation slot (11).

10. The clamping force monitoring buttstock for shooting training according to claim 1, characterized in that: After the shoulder pad (2) and the buttstock body (1) are tightly fitted together, a complete buttstock is formed.

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