Multifunctional pneumatic catching net device

Abstract

The utility model discloses a multifunctional pneumatic catching net device, and relates to the technical field of catching equipment. The device comprises a storage cylinder which is of a conical structure, and a plurality of launching holes penetrating through the two ends of the storage cylinder are formed in the cylinder wall of the storage cylinder at intervals in the circumferential direction of the storage cylinder; the multiple catching net connecting rods correspond to the multiple launching holes one to one, one ends of the catching net connecting rods are installed in the launching holes in a sealed and sliding mode, and the other ends of the catching net connecting rods extend out of the outer side of the large head end of the storage cylinder; the catching net can be folded and stored in the inner cavity of the storage barrel, and the edge of the catching net is connected to the other ends of the catching net connecting rods; the high-pressure ejection device is connected to the side, corresponding to the small head end, of the storage barrel, a compressed air conveying channel is formed in the high-pressure ejection device, and the air outlet end of the compressed air conveying channel communicates with the ejection hole. The device can pop up the catching net through high-pressure airflow, the catching net launching efficiency is high, catching net launching operation is convenient, and time and labor are saved.

Description

Technical Field

[0001] The utility model relates to the technical field of catching equipment, and more specifically to a multifunctional pneumatic catching net device. Background Art

[0002] Catching nets cover a wide range of uses, for example, they can be used to catch fish, catch insects, etc. Manually casting catching nets requires certain skills and is relatively laborious, and the fishing efficiency is low.

[0003] Therefore, how to provide a pneumatic net-catching device that is simple to operate and labor-saving is a problem that technical personnel in this field urgently need to solve. Utility Model Content

[0004] In view of this, the utility model aims to provide a multifunctional pneumatic net-catching device to at least to some extent solve the technical problems of the prior art in that the device is difficult to operate and requires laborious operation.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A storage tube, wherein the storage tube is of a conical structure, and a plurality of launch holes penetrating through both ends of the storage tube are arranged at intervals along the circumference of the tube wall;

[0007] A net-catching connecting rod, wherein the plurality of the net-catching connecting rods correspond to the plurality of the launching holes one by one, and one end of the net-catching connecting rod is sealed and slidably installed in the launching hole, and the other end extends out of the outer side of the large end of the storage tube;

[0008] A catching net, which can be folded and stored in the inner cavity of the storage tube, and whose edge is connected to the other end of the plurality of catching net connecting rods;

[0009] A high-pressure ejection device is connected to the side of the storage tube corresponding to the small end thereof and a compressed air delivery channel is provided on the high-pressure ejection device, and the air outlet end of the compressed air delivery channel is connected to the launch hole.

[0010] The utility model can achieve the following beneficial effects: the high-pressure ejection device outputs high-pressure gas into the launching hole, so that the connecting rod of the capture net is ejected from the launching hole under the huge pressure impact, driving the capture net to be ejected and opened. The operation is simple and the impact force is strong. The capture net can be quickly launched and opened, which is beneficial to improving the capture efficiency.

[0011] Preferably, the storage cylinder includes a cylinder body, a mounting plate and an energy-dividing cylinder, the cylinder body is of a conical structure, a plurality of the launching holes are circumferentially spaced inside the cylinder wall of the cylinder body, the mounting plate surface is fixed perpendicular to the axial direction of the cylinder body on the inner wall of the cylinder body corresponding to its small end, one end of the energy-dividing cylinder is fixed on the plate surface of the mounting plate close to the side of the cylinder body corresponding to its small end, and a plurality of air delivery holes connected to the launching holes are circumferentially spaced inside the energy-dividing cylinder, the high-pressure ejection device is installed at the other end of the energy-dividing cylinder and the air outlet end of the compressed air delivery channel is connected to a plurality of the air delivery holes. Compressed air can be dispersed into each launching hole through the energy-dividing cylinder, and all components are integrated in the cylinder body, which can not only make the cylinder body play a role in protecting each component, but also make the overall volume of the launcher small and easy to carry.

[0012] Preferably, the net connection rod comprises an insertion rod and a limiting ring, one end of the insertion rod is slidably inserted into the launch hole, and the other end extends outward of the launch hole corresponding to the large end of the cylinder, and the net is connected to the other end of the insertion rod; the limiting ring is fixed on the side wall of the insertion rod and can abut against the end surface of the cylinder, so as to prevent the net from entering the launch hole and being unable to pop out.

[0013] Preferably, a sealing ring is provided on the side wall of the insertion rod and is sealed with the launch hole to prevent air leakage at the connection between the insertion rod and the launch hole.

[0014] Preferably, a connecting ring is installed at the connecting end of the insertion rod extending outside the launch hole, and the capture net is detachably connected to the connecting ring. The capture net is detachable and can be easily replaced when damaged.

[0015] Preferably, a protective sleeve is provided on the end of the connecting end of the insertion rod extending outside the launch hole.

[0016] Preferably, the high-pressure ejection device includes a bullet mounting tube, a bullet and an impact handle, a partition plate arranged perpendicular to its axial direction is installed in the bullet mounting tube, one end of the bullet mounting tube is installed at the other end of the energy separation tube, and the inner cavity of the bullet mounting tube corresponding to the side close to the energy separation tube is the compressed air delivery channel, the compressed air delivery channel is connected to the air delivery hole, a bullet mounting hole connected to the compressed air delivery channel is opened on the partition plate, the bullet is installed in the bullet mounting hole, the impact handle is installed at the other end of the bullet mounting tube, and the impact end of the impact handle can hit the bullet to cause the bullet to burn and generate high-pressure air, and the pressure of the high-pressure air can be used to make the capture net connecting rod pop out of the storage tube.

[0017] Preferably, the impact handle includes a handle, an impact rod, a first spring and a pull rope, the handle is a cylindrical structure with two closed ends, one end of the handle is connected to the bullet mounting tube and an impact hole is provided at the end of the handle close to one end of the bullet mounting tube, the impact rod is slidably installed in the inner cavity of the handle along the axial direction of the handle, and one end of the impact rod can pass through the impact hole to extend to the outside of the handle to hit the bullet; one end of the first spring is fixed to the other end of the impact rod, and the other end is fixedly connected to the inner wall of the other end of the handle; the other end of the handle is provided with a pull rope through hole arranged coaxially therewith, one end of the pull rope is connected to the impact rod, and the other end passes through the pull rope through hole to extend to the outside of the handle. When the pull rope is pulled, the impact rod compresses the first spring, so that the impact rod can impact the bullet under the elastic potential energy of the spring.

[0018] Preferably, it also includes a button assembly, which includes a button and a second spring. A button mounting hole arranged perpendicular to the axial direction of the handle is provided on the side wall of the handle. The button is arranged in the inner cavity of the handle perpendicular to the axial direction of the handle. A through hole arranged parallel to the axial direction of the handle is provided on the button, and one end passes through the button mounting hole and extends to the outside of the handle. The impact rod can be slidably penetrated in the through hole. An annular groove is provided on the side wall of the impact rod, and a block that can be engaged with the annular groove is fixed on the inner wall of the through hole. The second spring corresponds to the button mounting hole and is arranged perpendicular to the axial direction of the handle. One end of the second spring is fixed on the inner wall of the handle, and the other end is fixedly connected to the other end of the button, so that the button can move along the axial direction of the button mounting hole. Pull the pull rope, the impact rod slides so that the block on the button can be locked in the annular groove. Press the button, the second spring is compressed, the block is disengaged from the annular groove, and the impact rod pops out under the action of the first spring to hit the bullet.

[0019] Preferably, the high-pressure ejection device comprises an inner sleeve, an outer sleeve and an air storage tank, the inner cavity of the inner sleeve is a compressed air delivery channel, one end of which is connected to the energy-dividing cylinder and the inner cavity of the inner sleeve is connected to the air delivery hole; a plurality of exhaust holes connected to the inner cavity of the inner sleeve are circumferentially spaced on the side wall of the inner sleeve close to the energy-dividing cylinder, and a plurality of air inlet holes connected to the inner cavity are circumferentially spaced on the side wall away from the energy-dividing cylinder; the outer sleeve is slidably sleeved on the outer side wall of the inner sleeve, and the inner side wall of the outer sleeve is connected to the inner sleeve An air transmission channel is formed between the outer walls of the cylinders, a first sealing ring is installed on the inner wall of the outer sleeve corresponding to the exhaust hole close to the energy separation cylinder, a second sealing ring is installed in the middle of the inner wall, and a third sealing ring is installed on the inner wall corresponding to the air inlet hole away from the energy separation cylinder; one end of the gas storage tank can be sealed and inserted into the inner sleeve, and a plurality of gas outlets connected to the plurality of gas inlet holes are circumferentially spaced on the side wall of the gas storage tank, and an air inlet for connecting to the air outlet of the air compressor is provided at the other end of the gas storage tank;

[0020] The inner sleeve and the outer sleeve have a first position and a second position. The first position is the position where the second sealing ring is located between the air inlet and the exhaust hole, the air inlet cannot be connected to the exhaust hole through the air transmission channel, and the compressed air cannot flow out of the exhaust hole. The second position is the second sealing ring corresponding to the exhaust hole close to the energy separation cylinder, the air inlet can be connected to the exhaust hole through the air transmission channel, and the compressed air can flow from the exhaust hole into the air transmission hole. The compressed air input by the air compressor provides the kinetic energy for the net to pop out, which is safer and more reliable.

[0021] It can be seen from the above technical solutions that, compared with the prior art, the utility model discloses a multifunctional pneumatic net-catching device, which uses high-pressure airflow to eject the net, has high net-catching efficiency and convenient net-catching operation, and saves time and effort. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0023] Figure 1 The utility model provides a multifunctional pneumatic net-catching device.

[0024] Figure 2 This is a schematic structural diagram of the storage tube and the high-pressure ejection device provided by the utility model.

[0025] Figure 3 This is a schematic diagram of the structure of the fishing net connecting rod provided by the utility model.

[0026] Figure 4 This is a schematic cross-sectional structure diagram of a multifunctional pneumatic net-catching device provided in Example 1.

[0027] Figure 5 This is a schematic diagram of the cross-sectional structure of the handle provided in Example 1.

[0028] Figure 6 This is a schematic cross-sectional structure diagram of a multifunctional pneumatic net-catching device provided in Example 2.

[0029] Figure 7 This is a schematic cross-sectional structure diagram of the high-pressure ejection device provided in Example 2 when it is in the first position.

[0030] Figure 8This is a schematic cross-sectional structure diagram of the high-pressure ejection device provided in Example 2 when it is in the second position.

[0031] In the figure: 1, storage cylinder, 11, cylinder body, 111, launching hole, 12, mounting plate, 13, energy distribution cylinder, 131, air transmission hole;

[0032] Net connecting rod, 21, plug rod, 22, limit ring, 23, sealing ring, 24, protective cover;

[0033] Catching nets;

[0034] High-pressure ejection device, 41, bullet installation tube, 42, bullet, 43, impact handle, 431, grip, 432, impact rod, 4321, annular groove, 433, first spring, 434, pull rope, 435, button assembly, 4351, button, 4352, second spring; 44, inner sleeve, 441, exhaust hole, 442, air inlet, 443, blocking ring, 444, retaining ring, 45, outer sleeve, 451, first sealing ring, 452, second sealing ring, 453, third sealing ring, 46, air storage tank, 461, air outlet, 462, air inlet, 47, connecting tube;

[0035] Connecting ring;

[0036] Pressure gauge. DETAILED DESCRIPTION

[0037] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0038] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0039] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. Example 1

[0040] See also Figure 1-Figure 5 This embodiment discloses a multifunctional pneumatic net-catching device, comprising:

[0041] The storage tube 1 is a conical structure, and a plurality of emitting holes 111 penetrating through both ends of the storage tube 1 are arranged in the inner wall of the storage tube 1 along the circumferential direction thereof;

[0042] A net connecting rod 2, wherein the plurality of net connecting rods 2 correspond to the plurality of launching holes 111 one by one, and one end of the net connecting rod 2 is sealed and slidably installed in the launching hole 111, and the other end extends out of the outer side of the large end of the storage tube 1;

[0043] A catching net 3, which can be folded and stored in the inner cavity of the storage tube 1, and whose edge is connected to the other end of a plurality of catching net connecting rods 2;

[0044] The high-pressure ejection device 4 is connected to the side of the storage tube 1 corresponding to the small end thereof and a compressed air delivery channel is provided on the high-pressure ejection device 4 , and the air outlet end of the compressed air delivery channel is connected to the launch hole 111 .

[0045] The high-pressure ejection device 4 outputs high-pressure gas into the launching hole 111, so that the net connecting rod 2 is ejected from the launching hole 111 under the huge pressure impact, driving the net 3 to be ejected and opened. It is easy to operate and has a strong impact force. The net 3 can be quickly launched and opened, which is beneficial to improving the capture efficiency.

[0046] The storage cylinder 1 includes a cylinder body 11, a mounting plate 12 and an energy-dividing cylinder 13. The cylinder body 11 is a conical structure. A plurality of launch holes 111 are arranged circumferentially on the inner wall of the cylinder body 11. The mounting plate 12 is fixed on the inner wall of the cylinder body 11 corresponding to the small end thereof in a perpendicular manner to the axial direction of the cylinder body 11. One end of the energy-dividing cylinder 13 is fixed on the plate surface of the mounting plate 12 close to the small end of the cylinder body 11. A plurality of air delivery holes 131 connected to the launch holes 111 are arranged circumferentially on the inner wall of the energy-dividing cylinder 13. The high-pressure ejection device 4 is installed on the other end of the energy-dividing cylinder 13 and the air outlet end of the compressed air delivery channel is connected to the plurality of air delivery holes 131. The compressed air can be dispersed into each launch hole 111 through the energy-dividing cylinder 13, and each component is integrated in the cylinder body 11, which can not only make the cylinder body 11 play a role in protecting each component, but also make the overall volume of the launcher small and easy to carry.

[0047] See also Figure 3 The capture net connecting rod 2 includes an insert rod 21 and a stop ring 22. One end of the insert rod 21 is slidably inserted into the launch hole 111, and the other end extends to the outside of the large end of the cylinder 11 corresponding to the launch hole 111. The capture net 3 is connected to the other end of the insert rod 21; the stop ring 22 is fixed on the side wall of the insert rod 21 and can abut against the end surface of the cylinder 11. Prevent the capture net 3 from entering the launch hole 111 and being unable to pop out.

[0048] Specifically, a sealing ring 23 is provided on the side wall of the insertion rod 21 and is sealed to the launch hole 111 to prevent air leakage at the connection between the insertion rod 21 and the launch hole 111.

[0049] Specifically, a connecting ring 5 is installed at one end of the insertion rod 21 extending outside the launch hole 111, and the capture net 3 is detachably connected to the connecting ring 5. The capture net 3 is detachable, and is convenient to replace when damaged.

[0050] Specifically, the insertion rod 21 extends to the outer end of the launch hole 111.

[0051] The end is also provided with a protective cover 24 to prevent damage to objects around the target object during launch.

[0052] like Figure 4As shown, the high-pressure ejection device 4 includes a bullet mounting tube 41, a bullet 42 and an impact handle 43. A partition plate arranged perpendicular to the axial direction of the bullet mounting tube 41 is installed in the bullet mounting tube 41. One end of the bullet mounting tube is installed at the other end of the energy separation tube 13, and the inner cavity of the bullet mounting tube 41 corresponding to the side close to the energy separation tube 13 is a compressed air delivery channel. The compressed air delivery channel is connected to the air delivery hole 131. A bullet mounting hole connected to the compressed air delivery channel is opened on the partition plate. The bullet 42 is installed in the bullet mounting hole. The impact handle 43 is installed at the other end of the bullet mounting tube 41, and the impact end of the impact handle 43 can hit the bullet 42 to make the bullet 42 burn and generate high-pressure air. The pressure of the high-pressure air can be used to make the net connecting rod 2 pop out from the storage tube 1.

[0053] For details, see Figure 5 The impact handle 43 includes a grip 431, an impact rod 432, a first spring 433 and a pull rope 434. The grip 431 is a cylindrical structure with two closed ends. One end of the grip 431 is connected to the bullet mounting tube 41, and an impact hole is provided at the end of the grip 431 close to one end of the bullet mounting tube 41. The impact rod 432 is slidably installed in the inner cavity of the grip 431 along the axial direction of the grip 431, and one end of the impact rod 432 can pass through the impact hole and extend to the outside of the grip 431 to impact the bullet 42; one end of the first spring is fixed to the other end of the impact rod 432, and the other end is fixedly connected to the inner wall of the other end of the grip 431; the other end of the grip 431 is provided with a pull rope 434 through hole arranged coaxially therewith, one end of the pull rope 434 is connected to the impact rod 432, and the other end passes through the pull rope 434 through hole and extends to the outside of the grip 431. By pulling the pull rope 434 , the impact rod 432 compresses the first spring 433 , so that the impact rod 432 can impact the bullet 42 under the elastic potential energy of the spring.

[0054] More specifically, it also includes a button assembly 435, which includes a button 4351 and a second spring 4352. A button mounting hole arranged perpendicular to the axial direction of the handle 431 is provided on the side wall of the handle 431. The button 4351 is arranged perpendicular to the axial direction of the handle and is placed in the inner cavity of the handle 431, and one end of the button 4351 extends through the button mounting hole to the outside of the handle 431, and a through hole arranged parallel to the axial direction of the handle 431 is provided on the side wall of the other end. The impact rod 432 can be slidably inserted into the through hole, and an annular groove 4321 is provided on the side wall of the impact rod 432. A clamping block that can be clamped with the annular groove 4321 is fixed on the inner wall of the through hole; the second spring 4352 corresponds to the button mounting hole and is arranged perpendicular to the axial direction of the handle, one end of which is fixed on the inner wall of the handle 431, and the other end is fixedly connected to the other end of the button 4351. By pulling the pull rope 434 , the impact rod 432 slides so that the block on the button 4351 can be stuck in the annular groove 4321 , and by pressing the button 4351 , the second spring 4352 is compressed, and the block escapes from the annular groove 4321 , and the impact rod 432 pops out under the action of the first spring 433 and hits the bullet 42 .

[0055] When the device is used, the drawstring is first pulled backwards to make the block on the button stuck in the annular slot 4321, and then the button is pressed. The bullet is hit to generate high-pressure airflow to eject the net. After use, the handle can be removed and replaced with a new bullet. Example 2

[0056] See also Figure 6-Figure 8 The other structures of this embodiment are the same as those of the embodiment 1. The high-pressure ejection device 4 includes an inner sleeve 44, an outer sleeve 45 and an air storage tank 46. The inner cavity of the inner sleeve 44 is a compressed air delivery channel, one end of which is connected to the energy-dividing cylinder 13 and the inner cavity of which is connected to the air delivery hole 131; a plurality of exhaust holes 441 connected to the inner cavity of the inner sleeve 44 are arranged on the side wall close to the energy-dividing cylinder 13, and a plurality of air inlet holes 442 connected to the inner cavity of the inner sleeve 44 are arranged on the side wall away from the energy-dividing cylinder 13; the outer sleeve 45 is slidably sleeved on the outer wall of the inner sleeve 44, and the inner wall of the outer sleeve 45 is connected to the air delivery hole 131; An air transmission channel is formed between the outer walls of the inner sleeve 44, a first sealing ring 451 is installed on the inner wall of the outer sleeve 45 corresponding to the exhaust hole 441 close to the energy-dividing cylinder 13, a second sealing ring 452 is installed in the middle of the inner wall, and a third sealing ring 453 is installed on the inner wall corresponding to the air inlet hole 442 away from the energy-dividing cylinder 13; one end of the air storage tank 46 can be sealed and plugged into the inner sleeve 44, and a plurality of air outlets 461 connected to the plurality of air inlet holes 442 are circumferentially spaced apart on the side wall of the air storage tank 46, and an air inlet 462 for connecting to the air outlet of the air compressor is provided at the other end of the air storage tank 46;

[0057] The inner sleeve 44 and the outer sleeve 45 have a first position and a second position. Figure 6 The first position is the position where the second sealing ring 452 is located between the air inlet 442 and the exhaust hole 441. The air inlet 442 cannot be connected to the exhaust hole 441 through the air delivery channel, and the compressed air cannot flow out of the exhaust hole 441. Figure 7 The second position is the side of the second sealing ring 452 corresponding to the exhaust hole 441 close to the energy dividing cylinder 13, the air inlet 442 can be connected to the exhaust hole 441 through the air supply channel, and the compressed air can flow from the exhaust hole 441 into the air supply hole 131. The compressed air input by the air compressor provides the kinetic energy for the net to pop out, which is safer and more reliable.

[0058] The front end of the inner sleeve 44 can be connected to the energy-dividing cylinder 13 through a connecting cylinder 47 . Both ends of the connecting cylinder 47 are provided with internal threads, one end is threadedly connected to the energy-dividing cylinder 13 , and the other end is threadedly connected to the inner sleeve 44 .

[0059] A blocking ring 443 is integrally connected to the front end side wall of the inner sleeve 44 , and an annular mounting groove is provided at the rear end. A retaining spring 444 is installed in the mounting groove, so that the outer sleeve 45 slides between the blocking ring 443 and the retaining spring 444 .

[0060] In addition, an anti-slip groove is provided on the outer side wall of the outer sleeve 45 to increase the friction resistance when the outer sleeve is pushed by hand.

[0061] A pressure gauge 6 is installed on the air storage tank 46, and the pressure of the air input into the air storage tank can be adjusted as needed.

[0062] When the device is used, the outer sleeve 45 is pushed forward by hand to switch from the first position to the second position, and compressed air flows from the exhaust hole 441 into the air delivery hole 131, and the net is ejected under the action of the high-pressure airflow.

[0063] In this specification, each embodiment is described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the embodiments can be referred to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant parts can be referred to the method part.

[0064] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A multifunctional pneumatic net-catching device, characterized in that: include: A storage tube (1), the storage tube (1) being of a conical structure, and a plurality of emitting holes (111) penetrating both ends of the storage tube (1) are arranged at intervals along the circumference of the tube wall of the storage tube (1); A net-catching connecting rod (2), wherein the plurality of net-catching connecting rods (2) correspond one to one with the plurality of launching holes (111), and one end of the net-catching connecting rod (2) is sealingly slidably mounted in the launching hole (111), and the other end extends out of the outer side of the large end of the storage tube (1); A catching net (3), the catching net (3) being foldable and stored in the inner cavity of the storage tube (1), and having an edge connected to the other end of a plurality of the catching net connecting rods (2); A high-pressure ejection device (4), the high-pressure ejection device (4) being connected to a side of the storage tube (1) corresponding to the small end thereof and the high-pressure ejection device (4) being provided with a compressed air delivery channel, the air outlet end of the compressed air delivery channel being connected to the launch hole (111).

2. A multifunctional pneumatic net-catching device according to claim 1, characterized in that: The storage cylinder (1) comprises a cylinder body (11), a mounting plate (12) and an energy-dividing cylinder (13); the cylinder body (11) is of a conical structure; a plurality of emitting holes (111) are circumferentially spaced apart on the cylinder wall of the cylinder body (11); a plate surface of the mounting plate (12) is fixed perpendicularly to the axial direction of the cylinder body (11) on the inner wall of the cylinder body (11) corresponding to the small end thereof; one end of the energy-dividing cylinder (13) is fixed on the plate surface of the mounting plate (12) close to the side of the cylinder body (11) corresponding to the small end thereof; a plurality of air delivery holes (131) communicating with the emitting holes (111) are circumferentially spaced apart on the inner wall of the energy-dividing cylinder (13); the high-pressure ejection device (4) is mounted on the other end of the energy-dividing cylinder (13); and an air outlet end of the compressed air delivery channel is connected to the plurality of air delivery holes (131).

3. A multifunctional pneumatic net-catching device according to claim 2, characterized in that: The catching net connecting rod (2) comprises an insert rod (21) and a limiting ring (22); one end of the insert rod (21) is slidably inserted into the launch hole (111), and the other end extends to the outside of the launch hole (111) corresponding to the large end of the cylinder (11); the catching net (3) is connected to the other end of the insert rod (21); the limiting ring (22) is fixed to the side wall of the insert rod (21) and the limiting ring (22) can abut against the end surface of the cylinder (11).

4. A multifunctional pneumatic net-catching device according to claim 3, characterized in that: A sealing ring (23) is provided on the side wall of the insertion rod (21) and is sealedly connected to the emission hole (111).

5. A multifunctional pneumatic net-catching device according to claim 3, characterized in that: A connecting ring (5) is installed at the connecting end of the insertion rod (21) extending outside the launching hole (111), and the capture net (3) is detachably connected to the connecting ring (5).

6. A multifunctional pneumatic net-catching device according to claim 3, characterized in that: A protective sleeve (24) is provided on the end of the connecting end of the insertion rod (21) extending outside the launch hole.

7. A multifunctional pneumatic net-catching device according to claim 2, characterized in that: The high-pressure ejection device (4) comprises a bullet mounting tube (41), a bullet (42) and an impact handle (43); a partition plate arranged perpendicular to the axial direction of the bullet mounting tube (41) is installed in the bullet mounting tube (41); one end of the bullet mounting tube is installed at the other end of the energy separation tube (13); and the inner cavity of the bullet mounting tube (41) corresponding to the side close to the energy separation tube (13) is the compressed air delivery channel; the compressed air delivery channel is connected to the air delivery hole (131); a bullet mounting hole connected to the compressed air delivery channel is opened on the partition plate; the bullet (42) is installed in the bullet mounting hole; the impact handle (43) is installed at the other end of the bullet mounting tube (41); and the impact end of the impact handle (43) can strike the bullet (42) to cause the bullet (42) to burn and generate high-pressure air.

8. A multifunctional pneumatic net-catching device according to claim 7, characterized in that: The impact handle (43) comprises a grip (431), an impact rod (432), a first spring (433) and a pull rope (434); the grip (431) is a cylindrical structure with two closed ends; one end of the grip (431) is connected to the bullet mounting tube (41); and an impact hole is provided at the end of the grip (431) close to one end of the bullet mounting tube (41); the impact rod (432) is slidably mounted in the inner cavity of the grip (431) along the axial direction of the grip (431); and the impact rod (432) is One end of the first spring (433) can pass through the impact hole and extend to the outside of the handle (431) to impact the bullet (42); one end of the first spring (433) is fixed to the other end of the impact rod (432), and the other end is fixedly connected to the inner wall of the other end of the handle (431); the other end of the handle (431) is provided with a through hole for a pull rope (434) coaxially arranged therewith, one end of the pull rope (434) is connected to the impact rod (432), and the other end passes through the through hole of the pull rope (434) and extends to the outside of the handle (431).

9. A multifunctional pneumatic net-catching device according to claim 8, characterized in that: The invention also includes a button assembly (435), wherein the button assembly (435) includes a button (4351) and a second spring (4352), a button mounting hole arranged perpendicular to the axial direction of the handle (431) is provided on the side wall of the handle (431), the button (4351) is arranged perpendicular to the axial direction of the handle in the inner cavity of the handle (431), a through hole arranged parallel to the axial direction of the handle (431) is provided on the button (4351), and one end of the button passes through the button mounting hole and extends to the outside of the handle (431), and the impact rod (432) can be slidably inserted into the through hole, an annular groove (4321) is opened on the side wall of the impact rod (432), and a clamping block that can be engaged with the annular groove (4321) is fixed on the inner wall of the through hole; the second spring (4352) corresponds to the button mounting hole and is arranged perpendicular to the axial direction of the handle, one end of which is fixed on the inner wall of the handle (431), and the other end is fixedly connected to the other end of the button (4351), so that the button (4351) can move along the axial direction of the button mounting hole.

10. A multifunctional pneumatic net-catching device according to claim 2, characterized in that: The high-pressure ejection device (4) comprises an inner sleeve (44), an outer sleeve (45) and an air storage tank (46); the inner cavity of the inner sleeve (44) is a compressed air delivery channel, one end of which is connected to the energy-dividing cylinder (13) and the inner cavity of which is connected to the air delivery hole (131); a plurality of exhaust holes (441) connected to the inner cavity of the inner sleeve (44) are arranged at intervals on the side wall of the inner sleeve (44) close to the energy-dividing cylinder (13), and a plurality of air inlet holes (442) connected to the inner cavity of the inner sleeve (44) are arranged at intervals on the side wall of the inner sleeve (44) away from the energy-dividing cylinder (13); the outer sleeve (45) is slidably sleeved on the outer wall of the inner sleeve (44), and the inner wall of the outer sleeve (45) is in contact with the outer wall of the inner sleeve (44). An air transmission channel is formed between the walls; a first sealing ring (451) is installed on the inner wall of the outer sleeve (45) corresponding to the exhaust hole (441) and close to the energy separation cylinder (13); a second sealing ring (452) is installed in the middle of the inner wall; and a third sealing ring (453) is installed on the inner wall corresponding to the air inlet hole (442) and away from the energy separation cylinder (13); one end of the air storage tank (46) can be sealed and inserted into the inner sleeve (44), and a plurality of air outlets (461) connected to the plurality of air inlet holes (442) are circumferentially spaced apart on the side wall of the air storage tank (46); and the other end of the air storage tank (46) is provided with an air inlet (462) for connecting to the air outlet of the air compressor; The inner sleeve (44) and the outer sleeve (45) have a first position and a second position, wherein the first position is a position where the second sealing ring (452) corresponds to being located between the air inlet hole (442) and the air outlet hole (441), the air inlet hole (442) cannot be connected to the air outlet hole (441) through the air supply channel, and compressed air cannot flow out of the air outlet hole (441); and the second position is a side of the second sealing ring (452) corresponding to the air outlet hole (441) close to the energy separation cylinder (13), the air inlet hole (442) can be connected to the air outlet hole (441) through the air supply channel, and compressed air can flow from the air outlet hole (441) into the air supply hole (131).

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