CN112529138B - Bullet firing counting device based on recoil detection - Google Patents
Bullet firing counting device based on recoil detection Download PDFInfo
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- CN112529138B CN112529138B CN202011378185.1A CN202011378185A CN112529138B CN 112529138 B CN112529138 B CN 112529138B CN 202011378185 A CN202011378185 A CN 202011378185A CN 112529138 B CN112529138 B CN 112529138B
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- 238000010304 firing Methods 0.000 title claims abstract description 34
- 238000001514 detection method Methods 0.000 title claims abstract description 22
- 239000002184 metal Substances 0.000 claims abstract description 72
- 229910052751 metal Inorganic materials 0.000 claims abstract description 72
- 230000005294 ferromagnetic effect Effects 0.000 claims description 13
- 230000005291 magnetic effect Effects 0.000 claims description 10
- 230000009471 action Effects 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000009527 percussion Methods 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 230000001960 triggered effect Effects 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 2
- 229910052742 iron Inorganic materials 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 3
- 238000005457 optimization Methods 0.000 description 5
- 239000010953 base metal Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06M—COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
- G06M1/00—Design features of general application
- G06M1/08—Design features of general application for actuating the drive
- G06M1/10—Design features of general application for actuating the drive by electric or magnetic means
- G06M1/102—Design features of general application for actuating the drive by electric or magnetic means by magnetic or electromagnetic means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
- F41A33/00—Adaptations for training; Gun simulators
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- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Toys (AREA)
Abstract
The invention relates to a bullet firing counting device based on recoil detection. In order to fill the blank of the prior art, the invention comprises a singlechip, a wireless transmitting device, a base, a power switch, a display device, a wireless receiving device, a base pipe and an annular inertial metal sliding block, wherein the annular inertial metal sliding block is sleeved on the base pipe and can slide, the base is provided with two contacts, the contacts and the annular inertial metal sliding block are connected with a circuit breaking counting module in series to form a counting loop, each time a bullet is transmitted by a gun, the generated recoil force is used for integrally retreating the gun, the base pipe and other parts except the annular inertial metal sliding block, the annular inertial metal sliding block is influenced by inertia, the annular inertial metal sliding block is separated from the contacts, the counting loop is broken, and the circuit breaking counting module in the singlechip counts once and is finally displayed on the display device. The invention is suitable for gun using units such as army and police, and the bullet firing statistics in the shooting training process.
Description
Technical Field
The invention relates to a bullet firing counting device based on recoil detection.
Background
Chinese patent publication No. CN 100565083C, granted 12/2 in 2009, discloses a counting device, which relates to a device (12) for counting bullets fired by an automatic firearm (11), comprising a cartridge chamber containing a cartridge that can be ejected through an ejection window. The inventive device comprises a first transmitting device which transmits a continuous electromagnetic signal such that the electromagnetic signal is interrupted in response to a cartridge shell of a used cartridge being ejected from a cartridge chamber. The bullet counting device (12) of the invention can monitor the number of cartridge casings ejected from the cartridge chamber of the firearm (11) through the aforementioned ejection window and display on the display screen the number of bullets that are still available in the corresponding cartridge (13) installed in the firearm (11). The number of the cartridges thrown after the firearm is launched is counted and used as the firing number of the firearm to count.
The bullet firing statistics method and device preliminarily solve the technical problem of bullet firing statistics, but the problem that the gun is irrecoverably transformed is solved, and the bullet firing statistics method and device are not beneficial to being used on the existing gun. Meanwhile, if a user holds the empty cartridge, the user can take out the discharge window after putting in the empty cartridge, the bullet firing statistics value can be increased virtually without actually firing the bullets, so that the actual bullets can be hidden for illegal use.
The utility model patent of China, publication No. CN 205245885U, issued in the year 2016 and 18, discloses a bullet counter, which comprises a circular arc buckle made of steel belts and a counting device fixedly arranged under the buckle, wherein the radian of the buckle is more than pi and less than 2 pi, and the counting device comprises a shell, a power supply arranged in the shell, a singlechip, a vibration sensor connected to the input end of the singlechip, a wireless transmitting device connected to the output end of the singlechip and a power switch arranged on the surface of the shell; the structure of the wireless transmitter also comprises a display device and a wireless receiving device which is connected with the display device and matched with the wireless transmitting device. The utility model can be quickly assembled and disassembled on the gun barrel without modifying the gun, but the utility model uses the vibration sensor to detect and count the vibration times generated by the gun shooting, and is used as the basis of whether the bullet is shot or not, and is inaccurate, and the vibration caused by accidents such as falling the gun to the ground is easily mistaken as the bullet firing.
The Chinese patent publication No. CN 111351398A, 30, 06/2020 discloses a projectile information processing system, method and device. The system is arranged on the firearm through an information acquisition circuit and is used for acquiring shooting characteristic information of the firearm, wherein the shooting characteristic information is used for representing information of a bullet shot by the firearm; a projectile counter for determining projectile information based on the emission characteristic information, wherein the projectile information includes at least one of: the number of rounds fired by the firearm and the time the firearm fired the rounds; a transmission device for transmitting the projectile information to the target terminal; and the target terminal is used for displaying the projectile information. The application solves the problem that the projectile condition is difficult to know in the shooting process of the firearm in the related technology.
The invention refers to projectile information including at least one of the following: the number of rounds of firearm shots and the time of the rounds of firearm shots, but no specific structure and principle for counting the number of rounds of firearm shots and the time of the rounds of firearm shots is disclosed.
The prior art lacks a bullet firing counting device which is convenient to disassemble and assemble, does not change the original structure of the gun and is more accurate in detection and counting.
Disclosure of Invention
The technical problem to be solved by the invention is how to fill the blank in the prior art, and a bullet firing counting device based on recoil detection is provided.
For solving above-mentioned technical problem, this bullet percussion counting assembly based on recoil detects includes singlechip, is connected to the wireless transmitting device of singlechip output and sets up switch, display device and the connection on display device and with wireless transmitting device assorted wireless receiving device on the base surface, its characterized in that: the base is fixed at one end of the base pipe, a circuit breaking counting module is arranged in the singlechip, the annular inertial metal sliding block is sleeved on the base pipe and can slide on the base pipe, two contacts facing the annular inertial metal sliding block are arranged on the base, the annular inertial metal sliding block is simultaneously contacted with the contacts under the action of magnetic force or the elasticity of a coil spring, the contacts and the annular inertial metal sliding block are connected with the circuit breaking counting module in series to form a counting loop, the base pipe is detachably fixed on the barrel of the matched gun, one end of the base pipe with the base is far away from the muzzle of the matched gun, each time the matched gun emits a bullet, the generated recoil force is used for integrally retreating the matched gun and the base pipe and other parts except the annular inertial metal sliding block, the annular inertial metal sliding block is influenced by the magnetic force or the elasticity of the coil spring, the retreating amplitude is smaller than the retreating amplitude of the base pipe, the annular inertial metal sliding block is separated from the contacts, the annular inertial metal sliding block is transmitted by the annular inertial metal sliding block, the base pipe is separated from the contacts, the base pipe is in a wireless display device and the wireless display device is in a closed round pipe, and the base is in a wireless display device.
When the bullet firing counting device is installed, the bullet firing counting device based on recoil detection is required to be sleeved on and fixed on the gun barrel of the matched gun. Before use, the power switch on the base is turned on, the annular inertial metal sliding block is ensured to be contacted with the contact, and then the gun can be operated to shoot according to the conventional operation. Every firing bullet can produce recoil, make and join in marriage gun and basic tube and other parts on it except annular inertial metal slider whole back, and annular inertial metal slider receives inertial effect, and the back range is less than basic tube back range, annular inertial metal slider with the contact separation, the count return circuit opens circuit, the count module that opens circuit in the singlechip counts once to will accumulate the count and pass through wireless emitter, send wireless receiver to the final demonstration on display device, then seal together base, basic tube and annular inertial metal slider on with the envelope.
The design has the advantages of small volume, simple structure, convenient disassembly and assembly and accurate statistics.
As optimization, one or two cutting grooves are formed in one end of the base pipe, opposite lugs are respectively arranged on the base pipes on two sides of the cutting grooves, opposite through holes are formed in the lugs, fastening bolts are arranged in the through holes in a penetrating mode, and the base pipe is fixed on a gun barrel of a matched gun through the fastening bolts. So designed, fixed structure is simple, easy dismounting.
As optimization, one end of the base pipe is provided with one or two cutting grooves, the base pipe and the base are partially separated by the cutting grooves, the bases on two sides of the cutting grooves are respectively provided with opposite lugs, the lugs are provided with opposite through holes, fastening bolts are arranged in the through holes in a penetrating mode, and the base pipe is fixed on a gun barrel of a matched gun through the fastening bolts. The design is compact in structure.
As optimization, the front part (the part far away from the cutting groove) of the base pipe is provided with external threads, an adjusting nut is screwed, a spiral spring is sleeved on the base pipe between the adjusting nut and the annular inertial metal sliding block, two ends of the spiral spring respectively directly or indirectly support against the adjusting nut and the annular inertial metal sliding block, the annular inertial metal sliding block is simultaneously contacted with the contact under the elastic action of the spiral spring, each bullet is fired by the gun, the annular inertial metal sliding block is influenced by inertia, the elastic force of the spiral spring is overcome, the retreating amplitude is smaller than the retreating amplitude of the base pipe, and the annular inertial metal sliding block is separated from the contact.
By means of the design, the precompression force of the spiral spring can be adjusted by adjusting the position of the adjusting nut, so that the annular inertial metal sliding block can be separated from the contact under the action of the recoil force of bullet firing, and the contact is not separated by mistake due to slight vibration.
As optimization, the side wall of the adjusting nut is provided with a threaded through hole, a locking screw is screwed in the threaded through hole, the front end of the locking screw is provided with a rubber pad, and the rubber pad can be extruded onto the external thread of the base pipe. So designed, before the enclosure is installed, the adjusting nut is debugged first: the gun is operated to shoot. And when a bullet is fired, recoil force is generated, the gun, the base pipe and other parts except the annular inertial metal sliding block on the base pipe are used for whole retreating, the annular inertial metal sliding block is affected by inertia, the retreating amplitude is smaller than the retreating amplitude of the base pipe, and the annular inertial metal sliding block is just separated from the contact. At this time, the adjusting nut is adjusted to a proper position, and the locking screw is screwed into the threaded through hole, so that the rubber pad is extruded on the external thread of the base pipe, and the position of the adjusting nut is locked. Finally, the envelope is installed.
As optimization, the corresponding position of the base is fixed with a ferromagnetic plate, the annular inertial metal sliding block comprises a contact surface ring, an external thread pipe and a permanent magnet ring, the contact surface ring is fixedly connected to the rear end of the external thread pipe, the center of the permanent magnet ring is provided with an internal thread hole, the internal thread hole is matched with the external thread on the external thread pipe, the contact surface ring of the annular inertial metal sliding block can be contacted with or separated from the contact, the front part of the base pipe is provided with the external thread, an anti-disengaging nut is screwed, the ferromagnetic plate and the permanent magnet ring are arranged outside the base pipe, the anti-disengaging nut, the base and other parts in the base are made of nonferromagnetic substances, the permanent magnet ring can be attracted with the ferromagnetic plate on the base through the contact surface ring, the distance between the contact surface ring and the permanent magnet ring can be adjusted through rotation of the permanent magnet ring on the external thread pipe, and then the distance between the ferromagnetic plate on the base and the permanent magnet ring can be adjusted, thereby the magnetic force counting is adjusted, the recoil force generated by the gun is used for shooting a bullet to separate the contact surface ring from the contact point, and the contact point is once, and the breaking module is triggered once.
By adopting the design, the permanent magnet ring, the ferromagnetic plate and other parts replace the spiral spring and other mechanisms, so that the structure is simpler and more compact.
The bullet firing counting device based on recoil detection has the advantages of simple and compact structure, small volume, convenient disassembly and assembly, accurate and reliable counting, and is suitable for gun using units such as army and police, and bullet firing statistics in the shooting training process.
Drawings
The recoil detection-based bullet firing counting device according to the present invention is further described with reference to the accompanying drawings:
FIG. 1 is a schematic diagram of a first embodiment of a recoil detection-based bullet firing counter device (with fastening bolts and enclosure omitted);
FIG. 2 is an exploded schematic view of the recoil detection-based bullet firing counting device of FIG. 1;
FIG. 3 is a schematic view of the configuration of the recoil detection-based bullet firing counting device of FIG. 1 in use;
FIG. 4 is a schematic view of a half-section of an adjusting nut of a first embodiment of a recoil detection based bullet firing counting device;
Fig. 5 is a perspective view of the locking screw of fig. 3.
FIG. 6 is a schematic circuit diagram of a first embodiment of a recoil detection-based bullet firing counting device;
FIG. 7 is a schematic diagram of a second embodiment of a recoil detection-based bullet firing counter device (with fastening bolts and enclosure omitted);
Fig. 8 is an exploded view of the recoil detection-based bullet firing counting device of fig. 7.
In the figure: the gun is characterized by comprising a singlechip 1, a wireless transmitting device 2, a base 3, a power switch 4, a display device 5, a wireless receiving device 6, a base pipe 7, an annular inertial metal sliding block 8, a contact surface ring 81, an external thread pipe 82, a permanent magnet ring 83, a gun barrel 9 for a matched gun, a circuit breaking counting module 10, a contact 11, a cutting groove 12, a lug 13, a fastening bolt 14, an adjusting nut 15, a base plate 151, a short pipe 152, a spiral spring 16, a thread through hole 17, a locking screw 18, a rubber pad 19, a ferromagnetic plate 20, an anti-disengaging nut 21 and a sealing sleeve 22.
Detailed Description
Embodiment one: as shown in fig. 1-6, the bullet firing counting device based on recoil detection comprises a single chip microcomputer 1, a wireless transmitting device 2 connected to the output end of the single chip microcomputer 1, a power switch 4 arranged on the surface of a base 3, a display device 5 and a wireless receiving device 6 connected to the display device 5 and matched with the wireless transmitting device 2, and is characterized in that: the automatic counting device comprises a base pipe 7, an annular inertial metal sliding block 8 and a sealing shell 22, wherein the inner diameter of the base pipe 7 is equal to the outer diameter of a gun barrel 9 of a matched gun, a base 3 is fixed at one end of the base pipe 7, a break counting module 10 is arranged in a single chip microcomputer 1, the annular inertial metal sliding block 8 is sleeved on the base pipe 7 and can slide on the base pipe 7, two contacts 11 facing the annular inertial metal sliding block 8 are arranged on the base 3, the annular inertial metal sliding block 8 is simultaneously contacted with the contacts 11 under the action of magnetic force or the elasticity of a coil spring, the contacts 11 and the annular inertial metal sliding block 8 are connected with the break counting module 10 in series to form a counting loop, the base pipe 7 is detachably fixed on the gun barrel 9 of the matched gun, one end of the base pipe 7 with the base 3 is far away from the gun mouth of the matched gun, each matched gun emits a bullet, the generated recoil force uses the matched gun and the base pipe 7 and other parts except the annular inertial metal sliding block 8 to integrally retract, the annular inertial metal sliding block 8 are influenced by the annular inertial metal sliding block 8, the magnetic force or the coil spring is separated from the annular inertial metal sliding block 8, the annular inertial metal sliding block 8 is separated from the base pipe 8 by the annular inertial metal sliding block 8 under the elasticity or the influence of the annular inertial metal sliding block 8, the annular inertial metal sliding block 8 is separated from the annular metal sliding block 8 by the base 7 and the base barrel 8 by the annular inertial metal sliding block 8, the base 7 is separated from the annular metal sliding block 8 and the base metal sliding block 5 is separated from the base metal sliding block 8 into the base barrel 8 through the base barrel 5 and the base metal base barrel 5 and the sealing body has a small amplitude.
One end of the base pipe 7 is provided with one or two cutting grooves 12, the cutting grooves 12 are used for partially cutting the base pipe and the base 3, the bases on two sides of the cutting grooves 12 are respectively provided with opposite lugs 13, the lugs 13 are provided with opposite through holes, fastening bolts 14 penetrate through the through holes, and as shown in fig. 3, the base pipe 7 is fixed on the gun barrel 9 of the matched gun through the fastening bolts 14.
( Of course, if the end of the base pipe 7 near the base is elongated, the slit 12 may avoid the base 3. Namely, one or two cutting grooves 12 are formed at one end of the base pipe 7, opposite lugs 13 are respectively arranged on the base pipe 7 at two sides of the cutting grooves 12, opposite through holes are formed on the lugs 13, fastening bolts 14 are penetrated in the through holes, and the base pipe 7 is fixed on a gun barrel of a matched gun through the fastening bolts, which is shown in the figure )
The front part (the part far away from the cutting groove 12) of the base pipe 7 is provided with external threads, an adjusting nut 15 is screwed on the base pipe 7, a spiral spring 16 is sleeved on the base pipe 7 between the adjusting nut 15 and the annular inertial metal sliding block 8, two ends of the spiral spring 16 respectively directly or indirectly abut against the adjusting nut 15 and the annular inertial metal sliding block 8, the annular inertial metal sliding block 8 is simultaneously contacted with the contact 11 under the elastic force of the spiral spring 16, each time a bullet is fired by a gun, the annular inertial metal sliding block 8 is influenced by inertia, the elastic force of the spiral spring 16 is overcome, the retreating amplitude is smaller than the retreating amplitude of the base pipe, and the annular inertial metal sliding block 8 is separated from the contact 11.
As shown in fig. 4-5, a threaded through hole 17 is formed on the side wall of the adjusting nut 15, a locking screw 18 is screwed in the threaded through hole 17, a rubber pad 19 is arranged at the front end of the locking screw 18, and the rubber pad 19 can be extruded onto the external thread of the base pipe 7. The surface of the adjusting nut 15 facing the spiral spring 16 is fixedly connected with a base plate 151, a short pipe 152 is arranged in the center of the base plate 151, the inner diameter of the short pipe 152 is larger than the root circle diameter of the adjusting nut 15, and the spiral spring 16 can be just sleeved on the short pipe 152 (preferably, the outer diameter of the short pipe 152 is equal to the difference of the spiral diameter of the spiral spring 16 minus the spiral section circle diameter of the spiral spring). In the present embodiment, the annular inertial metal slider 8 has a monolithic structure, and is preferably made of copper.
Embodiment two: as shown in fig. 7-8, the ferromagnetic plate 20 is fixed at the corresponding position of the base 3, the annular inertial metal sliding block 8 includes a contact surface ring 81, an external threaded pipe 82 and a permanent magnet ring 83, the contact surface ring 81 is fixedly connected to the rear end of the external threaded pipe 82, an internal threaded hole is formed in the center of the permanent magnet ring 83, the internal threaded hole is matched with the external threads on the external threaded pipe 82, the contact surface ring 81 of the annular inertial metal sliding block 8 can be contacted with or separated from the contact 11, the external threads are formed on the front part of the base 7, an anti-disengaging nut 21 is screwed on the front part of the base 7, the anti-disengaging nut 21, the base 3 and other parts in the base 3 are made of non-ferromagnetic materials, the permanent magnet ring 83 can be attracted with the ferromagnetic plate 20 on the base through the contact surface ring 81, the distance between the contact surface ring 81 and the permanent magnet ring 83 can be adjusted through rotation of the permanent magnet ring 83 on the external threaded pipe 82, the distance between the ferromagnetic plate 22 on the base 3 and the permanent magnet ring 83 can be adjusted, thereby adjusting the magnetic force is adjusted, the distance between the ferromagnetic plate 22 and the permanent magnet ring 83 can be adjusted, after the contact surface is matched with the magnetic ring to generate a trigger the contact 11 to be separated from the contact 11, and the trigger a trigger module 10 to count the contact 11 just once. The base pipe 7, the contact surface ring 81, the externally threaded pipe 82, and the slip-off prevention nut 23 are preferably made of copper or an aluminum alloy.
Claims (6)
1. The utility model provides a bullet percussion counting assembly based on recoil detects, includes singlechip, is connected to the wireless transmitting device of singlechip output and sets up switch, display device and the connection on display device and with wireless transmitting device assorted wireless receiving device on the base surface, its characterized in that: the base is fixed at one end of the base pipe, a circuit breaking counting module is arranged in the singlechip, the annular inertial metal sliding block is sleeved on the base pipe and can slide on the base pipe, two contacts facing the annular inertial metal sliding block are arranged on the base, the annular inertial metal sliding block is simultaneously contacted with the contacts under the action of magnetic force or the elasticity of a coil spring, the contacts and the annular inertial metal sliding block are connected with the circuit breaking counting module in series to form a counting loop, the base pipe is detachably fixed on the barrel of the matched gun, one end of the base pipe with the base is far away from the muzzle of the matched gun, each time the matched gun emits a bullet, the generated recoil force is used for integrally retreating the matched gun and the base pipe and other parts except the annular inertial metal sliding block, the annular inertial metal sliding block is influenced by the magnetic force or the elasticity of the coil spring, the retreating amplitude is smaller than the retreating amplitude of the base pipe, the annular inertial metal sliding block is separated from the contacts, the annular inertial metal sliding block is transmitted by the annular inertial metal sliding block, the base pipe is separated from the contacts, the base pipe is in a wireless display device and the wireless display device is in a closed round pipe, and the base is in a wireless display device.
2. The recoil detection-based bullet firing counting device of claim 1, wherein: one end of the base pipe is provided with one or two cutting grooves, the base pipes on two sides of the cutting grooves are respectively provided with opposite lugs, the lugs are provided with opposite through holes, fastening bolts are arranged in the through holes in a penetrating mode, and the base pipe is fixed on a gun barrel of a matched gun through the fastening bolts.
3. The recoil detection-based bullet firing counting device of claim 1, wherein: one end of the base pipe is provided with one or two cutting grooves, the base pipe and the base are partially separated by the cutting grooves, the bases on two sides of the cutting grooves are respectively provided with opposite lugs, the lugs are provided with opposite through holes, fastening bolts are arranged in the through holes in a penetrating mode, and the base pipe is fixed on a gun barrel of a matched gun through the fastening bolts.
4. A recoil detection based bullet firing counting device according to claim 1 or 2 or 3, characterized in that: the gun is characterized in that an external thread is arranged on the front part of the base pipe, an adjusting nut is screwed on the base pipe between the adjusting nut and the annular inertial metal sliding block, a spiral spring is sleeved on the base pipe, two ends of the spiral spring directly or indirectly abut against the adjusting nut and the annular inertial metal sliding block respectively, the annular inertial metal sliding block is simultaneously contacted with the contact under the elastic force of the spiral spring, each time a bullet is emitted by the gun, the annular inertial metal sliding block is influenced by inertia, the elastic force of the spiral spring is overcome, the retreating amplitude is smaller than the retreating amplitude of the base pipe, and the annular inertial metal sliding block is separated from the contact.
5. The recoil detection based bullet firing counting device of claim 4, wherein: the side wall of the adjusting nut is provided with a threaded through hole, a locking screw is screwed in the threaded through hole, the front end of the locking screw is provided with a rubber pad, and the rubber pad can be extruded onto the external thread of the base pipe.
6. A recoil detection based bullet firing counting device according to claim 1 or 2 or 3, characterized in that: the annular inertial metal sliding block comprises a contact surface ring, an external thread pipe and a permanent magnet ring, wherein the contact surface ring is fixedly connected to the rear end of the external thread pipe, an internal thread hole is formed in the center of the permanent magnet ring and matched with external threads on the external thread pipe, the contact surface ring of the annular inertial metal sliding block can be contacted with or separated from the contact, an external thread is formed on the front part of the base pipe, an anti-disengaging nut is screwed on the front part of the base pipe, the anti-disengaging nut, the iron magnet plate and the permanent magnet ring are arranged outside the base pipe, the anti-disengaging nut, the base and other parts in the base are made of non-ferromagnetic substances, the permanent magnet ring can be attracted with the ferromagnetic plate on the base through the contact surface ring, the distance between the contact surface ring and the permanent magnet ring can be adjusted through rotation of the permanent magnet ring on the external thread pipe, and then the distance between the ferromagnetic plate on the base and the permanent magnet ring is adjusted, so that the magnetic force is adjusted, and the counter module is triggered once by using recoil generated by gun to emit a bullet to separate the contact surface ring from the contact surface ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011378185.1A CN112529138B (en) | 2020-11-30 | 2020-11-30 | Bullet firing counting device based on recoil detection |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011378185.1A CN112529138B (en) | 2020-11-30 | 2020-11-30 | Bullet firing counting device based on recoil detection |
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| CN112529138A CN112529138A (en) | 2021-03-19 |
| CN112529138B true CN112529138B (en) | 2024-05-14 |
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| US9038524B2 (en) * | 2002-06-07 | 2015-05-26 | Kriss Systems Sa | Firearm with enhanced recoil and control characters |
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| JPH1089894A (en) * | 1996-09-18 | 1998-04-10 | Asahi Seiki Kogyo Kk | Device for automatically counting number of shot bullet |
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