CN112586313A

CN112586313A - Irrigation equipment

Info

Publication number: CN112586313A
Application number: CN202011480405.1A
Authority: CN
Inventors: 张�杰
Original assignee: Xinchang Daboluo Agricultural Development Co ltd
Current assignee: Xixian New Area Lvlang Agricultural Development Co ltd
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2021-04-02
Anticipated expiration: 2040-12-15
Also published as: CN112586313B

Abstract

The invention discloses irrigation equipment which comprises a water storage tank, a water injection pipe, a water pump and a conveying pipe device, wherein the water injection pipe is fixed on one side of the top of the water storage tank, the water injection pipe is communicated with the water storage tank, the water pump is fixed at the central position of the bottom of the water storage tank, the water inlet end of the water pump penetrates through the bottom of the water storage tank and extends into the water storage tank, the conveying pipe device is communicated with the water outlet end of the water pump, an inner protective layer is arranged on the surface of a conveying pipe body, and a spiral pipe device is arranged on the surface of the inner protective layer and is far away from one. This irrigation equipment has reached the effect of preventing gnawing and stinging, and is rational in infrastructure simple, and convenient to use can prevent effectively that the field toy from gnawing and sting, has effectively protected conduit, avoids appearing the condition of percolating water, reduces water wasting of resources, has kept sufficient water resource, and irrigation quality is high, is favorable to vegetation, has improved work efficiency and performance.

Description

Irrigation equipment

Technical Field

The invention relates to the technical field of irrigation equipment, in particular to irrigation equipment.

Background

As a big agricultural country, China is the earliest country in the world to engage in agriculture and make water conservancy up and repair, and the natural conditions and social conditions of the China, such as large population, few cultivated land, short water resource, frequent flood and drought disasters, special climate and geography, and the like, determine the development path of agriculture in China, which needs to be irrigated. Irrigation refers to irrigation with water, and mainly comprises modes of flood irrigation, spray irrigation, micro-spray irrigation, drip irrigation, infiltrating irrigation, deficit irrigation and the like, and is divided into types of irrigation before sowing, seedling-accelerating irrigation, growth period irrigation, winter irrigation and the like. The irrigation principle is that the irrigation quantity, the irrigation times and the irrigation time are determined according to the water requirement characteristics, the growth stage, the climate and the soil conditions of the medicinal plants, and the medicinal plants are irrigated in a proper time and in a proper amount and reasonably. In order to ensure the normal growth of crops and obtain high and stable yield, the crops must be supplied with sufficient moisture and fertilizer.

At present, current irrigation equipment is bulky, it is inconvenient to transport, and some long-time arid areas, need regularly irrigate, consequently can only place irrigation equipment in the place of crop growth for a long time, this just can take advantage of the machine for external mouse or other field animals, gnaw and sting the conduit on irrigation equipment, lead to the pipeline to leak, damage the conduit, cause the water waste simultaneously, make the water yield not enough, influence irrigation efficiency, can make the unable normal work of whole equipment when serious, performance has been reduced.

Disclosure of Invention

Objects of the invention

In order to solve the technical problems existing in the background technology, the invention provides irrigation equipment, which solves the problems that the existing irrigation equipment is large in size and inconvenient to transport, and in some long-time arid regions, frequent irrigation is needed, so that the irrigation equipment can only be placed at a place where crops grow for a long time, and the water pipe on the irrigation equipment is bitten by external mice or other field animals, so that the water pipe is leaked, the water pipe is damaged, water resources are wasted, the water quantity is insufficient, the irrigation efficiency is influenced, the whole equipment cannot normally work in serious cases, and the use performance is reduced.

(II) technical scheme

1. The invention provides irrigation equipment which comprises a water storage tank, a water injection pipe, a water pump and a conveying pipe device, wherein the water injection pipe is fixed on one side of the top of the water storage tank, the water injection pipe is communicated with the water storage tank, the water pump is fixed at the central position of the bottom of the water storage tank, the water inlet end of the water pump penetrates through the bottom of the water storage tank and extends into the water storage tank, the conveying pipe device is communicated with the water outlet end of the water pump, the conveying pipe device is provided with a conveying pipe body, an inner protective layer and a spiral pipe device, the inner protective layer is arranged on the surface of the conveying pipe body, and the spiral pipe.

Preferably, the spiral tube device is provided with a Z-shaped spiral tube body, a puncturing device and a pointed cone bulge, the Z-shaped spiral tube body is wound on the surface of the inner protective layer, the puncturing device is arranged inside the Z-shaped spiral tube body, and the pointed cone bulge is fixed on the bottom edge of the surface of the Z-shaped spiral tube body.

Preferably, Z shape spiral pipe body is equipped with Z shape elastic main body, spiral inclined plane, closed angle barb, inner chamber, horizontal spring, spheroid device, spiral inclined plane sets up the surface border position at Z shape elastic main body, closed angle barb is fixed on Z shape elastic main body's surface and is located the position on spiral inclined plane, the inner chamber is set up in Z shape elastic main body's inside and is close to the top position, the inside central point that the spheroid device passes through horizontal spring to be fixed at the inner chamber puts.

Preferably, the spheroid device is equipped with ball main part, fixed plate, slide bar, end cap, tension spring, smell sounder, the inner wall at the ball main part is fixed to the fixed plate, slide bar sliding connection is in the surperficial central point of fixed plate and puts, the end cap is fixed at the tip of slide bar, sliding connection between end cap and the ball main part inner wall, tension spring fixes between the corresponding both sides of fixed plate and end cap and is located the surface of slide bar, smell sounder sets up in the inside of ball main part and through arc shell fragment and fixed plate fixed connection.

Preferably, the puncturing device is provided with an elastic secrecy device and a reinforcing rib, the elastic secrecy device is fixed on the inner wall of the Z-shaped spiral pipe body, the end part of the elastic secrecy device is in contact with the top of the inner wall of the Z-shaped spiral pipe body, and the reinforcing rib is fixed between the inner wall of the Z-shaped spiral pipe body and two sides corresponding to the surface of the elastic secrecy device.

Preferably, the elastic dark ware device is provided with an arc-shaped rod, an elastic block device and a return spring, the elastic block device is slidably connected to the top end of the arc-shaped rod, and the return spring is fixed between the inner part of the arc-shaped rod and two sides corresponding to the bottom of the elastic block device.

Preferably, the bullet piece device is provided with a bullet piece body, a tip, cutters and multidirectional pricking pins, wherein the tip is arranged at the center of the top of the bullet piece body, the cutters are arranged on the surface of the bullet piece body and located on two sides of the tip, and the multidirectional pricking pins are arranged on the surface of the bullet piece body and close to the cutters.

Compared with the prior art, the technical scheme of the invention has the following beneficial technical effects:

1. the invention is provided with the conveying pipe device, and the conveying pipe device is provided with the conveying pipe body, the inner protective layer and the spiral pipe device, so that the spiral pipe device can protect the conveying pipe body from being bitten by external small animals, and the inner protective layer can be used for protecting again, thereby realizing gradual protection, ensuring good protection effect, eliminating the will power of the small animals, giving up damage initiatively and prolonging the service life of the equipment.

2. The Z-shaped spiral pipe body, the puncture device and the pointed cone bulge are arranged, the protection is performed for the first time through the outermost part of the top of the Z-shaped spiral pipe body, when the top of the Z-shaped spiral pipe body is bitten and damaged, the puncture device pops up at the moment, small damaged animals are punctured, the defense protection is performed again, even if the Z-shaped spiral pipe body and the puncture device are both damaged, and finally the pointed cone bulge is protected, so that the multi-stage protection is realized, the protection function is strong, and the small damaged animals are not easy to damage.

3. The invention is provided with the Z-shaped spiral pipe body, and the extending part of the edge of the Z-shaped spiral pipe body shields the pointed cone protrusion through the spiral winding of the Z-shaped spiral pipe body, so that a user can conveniently receive a ticket for the conveying pipe device without hurting hands, and meanwhile, the Z-shaped spiral pipe body is made of an elastic material, so that the Z-shaped spiral pipe body has good elasticity, is not easy to bite, prolongs the service life and improves the service performance.

4. The invention is provided with the Z-shaped elastic body, the spiral inclined plane and the sharp-angle barb, the spiral winding of the Z-shaped elastic body enables the edge area to have the spiral gap, when a mouse or other small animals which want to bite can not achieve the purpose, the mouse or other small animals which want to bite can be burnt urgently, the head of the small animals can be attracted to go deep through the spiral gap, the sharp-angle barb is fixed on the sharp-angle barb, the head or mouth of the mouse or other small animals which want to bite is clamped and can extend into the mouth but can not come out, and therefore, the invention has the function of catching, further realizes the bite prevention and protects the equipment.

5. The conveying pipe device is provided with the inner cavity and the ball device, when a mouse or other small animals which want to bite the surface of the conveying pipe device cannot achieve the purpose smoothly, the claw and the teeth are used at the same time, so that the conveying pipe device can be shaken, the ball device can continuously impact the inner wall of the inner cavity, the impact sound can be emitted, the small animals are frightened and run, and the protection effect is achieved smoothly.

6. The horizontal spring is arranged, the ball body device is fixed in the inner cavity through the horizontal spring, and when the ball body device shakes, the horizontal spring can provide elastic force to bounce the ball body device back and forth so as to continuously impact the inner wall of the inner cavity, so that the ball body device can make a sound continuously and frighten away small animals.

7. The invention is provided with a ball main body, a fixing plate, a sliding rod, a plug, a tension spring and a smell sounder, when the inner wall of an inner cavity is impacted by a ball body device, the plug contracts towards the inside of the ball main body under the guiding action of the sliding rod, so that the smell emitted by the smell sounder is emitted to the inside of the inner cavity, and when the Z-shaped elastic main body is damaged by a mouse or other small animals which want to bite, the gas can float out, so that the small animals are repelled, and the protection effect is realized again.

8. The invention is provided with the elastic camera device and the reinforcing rib, the camera can be automatically popped out through the elastic camera device to stab and hurt the small animals and drive the small animals to be destroyed, the reinforcing rib has the reinforcing function, the strength of the reinforcing rib can be improved, the influence of external force is reduced, the reinforcing rib is completely deformed, and the service life is prolonged.

9. The invention is provided with the arc-shaped rod, the elastic block device and the return spring, because the top end of the elastic block device is attached to the top of the inner wall of the Z-shaped elastic main body, if the top of the Z-shaped elastic main body is completely destroyed, the elastic block device provides elasticity and instantly ejects the elastic block device, so that the head or the body of a mouse or other small animals which want to be bitten is violently impacted, and then the small animals are repelled, and after the small animals are repelled, the elastic block device is positioned in the inner cavity, so that the gap is blocked, the secondary defense can be carried out, and the small animals are prevented from being destroyed again.

10. The multi-directional pricking pin is provided with the bullet block body, the tip end, the cutter and the multi-directional pricking pin are arranged at the top of the bullet block body, so that the stress area is reduced, the hitting force for mice or other small animals which want to bite is improved, the mice or other small animals are afraid of the hitting force and are not dared to be destroyed, the multi-directional pricking pin can defend in multiple directions simultaneously, the defense area is improved, and the small animals are effectively prevented from being destroyed again.

Drawings

Fig. 1 is a schematic perspective view of an irrigation device according to the present invention.

Fig. 2 is a schematic internal structure diagram of an irrigation device according to the present invention.

Fig. 3 is a schematic structural diagram of a delivery pipe device in an irrigation device according to the present invention.

FIG. 4 is a schematic cross-sectional view of a spiral pipe assembly in an irrigation device according to the present invention.

Fig. 5 is a schematic structural view of a Z-shaped spiral pipe body in the irrigation device according to the present invention.

Fig. 6 is a schematic structural diagram of a sphere device in an irrigation device according to the present invention.

Fig. 7 is a schematic structural diagram of a puncturing device in an irrigation device according to the present invention.

Fig. 8 is a schematic structural view of an elastic dark device in an irrigation device according to the present invention.

Fig. 9 is a schematic structural diagram of a spring block device in the irrigation equipment according to the present invention.

Reference numerals: 1. a water storage tank; 2. a water injection pipe; 3. a water pump; 4. a duct means; 41. a delivery pipe body; 42. an inner protective layer; 43. a spiral tube device; 431. a Z-shaped helical tube body; 432. a puncture device; 433. a pointed cone bulge; 4311. a Z-shaped elastic body; 4312. a helical ramp; 4313. sharp-angled barbs; 4314. an inner cavity; 4315. a horizontal spring; 4316. a ball device; 43161. a ball body; 43162. a fixing plate; 43163. a slide bar; 43164. a plug; 43165. a tension spring; 43166. a scent generator; 4321. an elastic camera device; 4322. reinforcing ribs; 43211. an arcuate bar; 43212. a spring block device; 43213. a return spring; 432121, a bullet block body; 432122, a tip; 432123, a cutter; 432124, multi-directional needle.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-9, the irrigation device provided by the present invention comprises a water storage tank 1, a water injection pipe 2, a water pump 3, and a delivery pipe device 4, wherein the water injection pipe 2 is fixed on one side of the top of the water storage tank 1, the water injection pipe 2 is communicated with the water storage tank 1, the water pump 3 is fixed at the central position of the bottom of the water storage tank 1, the water inlet end of the water pump 3 penetrates through the bottom of the water storage tank 1 and extends into the water storage tank, the delivery pipe device 4 is communicated with the water outlet end of the water pump 3, the delivery pipe device 4 is provided with a delivery pipe body 41, an inner protective layer 42, and a spiral pipe device 43, the inner protective layer 42 is arranged on the surface.

In the present invention, it should be noted that the spiral tube device 43 externally protects the conveying tube body 41 from being bitten by external small animals, and the inner protective layer 42 can be protected again, so that gradual protection is achieved, the protection effect is good, the will power of the small animals is eliminated, the damage can be actively abandoned, and the service life of the equipment is prolonged.

In an alternative embodiment, the spiral tube device 43 is provided with a Z-shaped spiral tube body 431, a puncturing device 432 and a pointed cone projection 433, the Z-shaped spiral tube body 431 is wound on the surface of the inner protective layer 42, the puncturing device 432 is arranged inside the Z-shaped spiral tube body 431, and the pointed cone projection 433 is fixed on the bottom edge of the surface of the Z-shaped spiral tube body 431.

It should be noted that, protection is performed for the first time through the outermost position of the top of the Z-shaped spiral pipe body 431, after the top of the Z-shaped spiral pipe body 431 is bitten and damaged, the puncture device 432 is popped out at this time to puncture the damaged small animals, so that defense protection is performed again, even if the Z-shaped spiral pipe body 431 and the puncture device 432 are both broken, and finally, the pointed cone protrusion 432 is protected, so that multi-stage protection is realized, and the protection function is strong and is not easy to damage.

In an alternative embodiment, the Z-shaped spiral tube 431 is provided with a Z-shaped elastic body 4311, a spiral inclined surface 4312, a sharp-angled barb 4313, an inner cavity 4314, a horizontal spring 4315 and a sphere device 4316, wherein the spiral inclined surface 4312 is opened at an edge position of a surface of the Z-shaped elastic body 4311, the sharp-angled barb 4313 is fixed to the surface of the Z-shaped elastic body 4311 at a position of the spiral inclined surface 4312, the inner cavity 4314 is opened inside the Z-shaped elastic body 4311 at a position close to the top, and the sphere device 4316 is fixed at an inner central position of the inner cavity 4314 by the horizontal spring 4315.

It should be noted that, by the spiral winding of the Z-shaped elastic body 4311, there is a spiral gap in the edge area, when a mouse or other small animals that want to bite are anxious after the purpose cannot be achieved, at this time, the head of the small animal can be lured to go deep by the spiral gap, at this time, the pointed barb 4313 is fixed on the pointed barb 4313, so that the head of the mouse or other small animals that want to bite is blocked, and can go into but cannot go out, thereby having a function of hunting, further realizing the bite prevention and protecting the equipment.

In an alternative embodiment, the ball device 4316 is provided with a ball body 43161, a fixing plate 43162, a sliding rod 43163, a plug 43164, a tension spring 43165 and a smell generator 43166, wherein the fixing plate 43162 is fixed on the inner wall of the ball body 43161, the sliding rod 43163 is slidably connected to the surface of the fixing plate 43162, the plug 43164 is fixed at the end of the sliding rod 43163, the plug 43164 is slidably connected to the inner wall of the ball body 43161, the tension spring 43165 is fixed between the two corresponding sides of the fixing plate 43162 and the plug 43164 and located on the surface of the sliding rod 43163, and the smell generator 43166 is arranged inside the ball body 43161 and fixedly connected to the fixing plate 43162 through an arc-shaped elastic sheet.

It should be noted that when the sphere device 4316 impacts the inner wall of the inner cavity 4314, the plug 43164 is retracted into the sphere main body 43161 under the guiding action of the sliding rod 43163, so as to emit the odor generated by the odor generator 43166 into the inner cavity 4314, and when the Z-shaped elastic body 4311 is damaged by a mouse or other small animals, the gas will drift out, so as to expel the small animals, thereby achieving the protection effect again.

In an alternative embodiment, the puncturing device 432 is provided with a resilient means 4321, a rib 4322, the resilient means 4321 is fixed to the inner wall of the Z-shaped spiral tube 431, the end of the resilient means 4321 is in contact with the top of the inner wall of the Z-shaped spiral tube 431, and the rib 4322 is fixed between the inner wall of the Z-shaped spiral tube 431 and the two sides corresponding to the surface of the resilient means 4321.

It should be noted that the elastic dark ware device 4321 can automatically eject the dark ware to stab and hurt the small animals, and the reinforcing rib 4322 has a reinforcing effect to improve the strength of the dark ware, reduce the influence of external force, deform completely and prolong the service life.

In an alternative embodiment, the elastic means 4321 comprises an arc rod 43211, a spring block 43212 and a return spring 43213, wherein the spring block 43212 is slidably connected to the top end of the arc rod 43211, and the return spring 43213 is fixed between the two sides of the arc rod 43211 corresponding to the bottom of the spring block 43212.

It should be noted that, after the top of the Z-shaped elastic body 4311 is completely destroyed, the elastic block device 43212 provides an elastic force to eject the elastic block device 43212 instantly, so as to violently impact the head or body of a mouse or other small animals that want to bite, and then expel the small animals, and after the small animals are expelled, the elastic block device 43212 is located inside the inner cavity 4314, and then blocks the gap, so as to defend again, and prevent the small animals from being destroyed again.

When the device is used, water is injected into the water storage tank 1 through the water injection pipe 2, the water pump 3 can be started for irrigation, when the device is used, the spiral pipe device 43 is used for protecting the conveying pipe body 41 from being bitten by external small animals, the inner protective layer 42 can be used for protecting again, when mice or other small animals which want to be bitten cannot achieve the purpose, the heads of the small animals can be lured to be deep by the spiral gaps, the sharp-angle barbs 4313 are fixed on the sharp-angle barbs 4313, so that the heads of the mice or other small animals which want to be bitten are clamped, can be stretched into the cavities and cannot go out, the device has the function of hunting, when the small animals bite, the conveying pipe device 4 shakes, the ball device 4316 can continuously impact the inner wall of the inner cavity 4314, the hitting sound can be emitted, the small animals are further frightened, and the protection effect can be smoothly achieved, when the ball body device 4316 impacts the inner wall of the inner cavity 4314, the plug 43164 contracts towards the inside of the ball body 43161 under the guiding action of the sliding rod 43163, so that the odor generated by the odor generator 43166 is emitted to the inside of the inner cavity 4314, when the Z-shaped elastic body 4311 is damaged by a mouse or other small animals to be bitten, the gas will flow out, so that the small animals are repelled, when the top of the Z-shaped elastic body 4311 is completely damaged, the block device 43212 provides elastic force to eject the block device 43212 instantly, so that the head or body of the mouse or other small animals to be bitten is violently impacted, and then the small animals are repelled, when the small animals are repelled, the block device 43212 is positioned inside the inner cavity 4314, so as to block the gap, and defend again, so as to prevent the small animals from being damaged again, therefore, the whole device is protected gradually in various ways, the pipeline is protected, so that the pipeline is prevented from being bitten by small animals, and the service life of the equipment is prolonged.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. The utility model provides an irrigation equipment, includes storage water tank (1), water injection pipe (2), water pump (3), duct set (4), its characterized in that: top one side at storage water tank (1) is fixed in water injection pipe (2), water injection pipe (2) and storage water tank (1) intercommunication, the bottom central point who fixes at storage water tank (1) is put in water pump (3), the end of intaking of water pump (3) runs through the bottom of storage water tank (1) and extends to inside it, delivery pipe device (4) and the play water end intercommunication of water pump (3), delivery pipe device (4) are equipped with conveyer pipe body (41), internal protection layer (42), spiral pipe device (43), internal protection layer (42) set up the surface at conveyer pipe body (41), spiral pipe device (43) set up including protective layer (42) surface and keep away from one side of conveyer pipe body (41).

2. An irrigation apparatus according to claim 1, wherein: the spiral tube device (43) is provided with a Z-shaped spiral tube body (431), a puncture device (432) and a pointed cone bulge (433), the Z-shaped spiral tube body (431) is wound on the surface of the inner protection layer (42), the puncture device (432) is arranged inside the Z-shaped spiral tube body (431), and the pointed cone bulge (433) is fixed to the bottom edge of the surface of the Z-shaped spiral tube body (431).

3. An irrigation apparatus according to claim 2, wherein: z shape spiral pipe body (431) is equipped with Z shape elastic main body (4311), spiral inclined plane (4312), closed angle barb (4313), inner chamber (4314), horizontal spring (4315), spheroid device (4316), the surface border position at Z shape elastic main body (4311) is seted up in spiral inclined plane (4312), closed angle barb (4313) are fixed on the surface of Z shape elastic main body (4311) and are located the position of spiral inclined plane (4312), inner chamber (4314) are seted up in the inside of Z shape elastic main body (4311) and are close to the top position, spheroid device (4316) are fixed at the inside central point position of inner chamber (4314) through horizontal spring (4315).

4. An irrigation apparatus according to claim 3, wherein: the ball body device (4316) is provided with a ball body (43161), a fixing plate (43162), a sliding rod (43163), a plug (43164), a tension spring (43165) and a smell generator (43166), wherein the fixing plate (43162) is fixed on the inner wall of the ball body (43161), the sliding rod (43163) is connected to the central position of the surface of the fixing plate (43162) in a sliding mode, the plug (43164) is fixed at the end of the sliding rod (43163), the plug (43164) is connected with the inner wall of the ball body (43161) in a sliding mode, the tension spring (43165) is fixed between two corresponding sides of the fixing plate (43162) and the plug (43164) and located on the surface of the sliding rod (43163), and the smell generator (43166) is arranged inside the ball body (43161) and is fixedly connected with the fixing plate (43162) through an arc-shaped.

5. An irrigation apparatus according to claim 2, wherein: the puncturing device (432) is provided with an elastic secretor device (4321) and a reinforcing rib (4322), the elastic secretor device (4321) is fixed on the inner wall of the Z-shaped spiral pipe body (431), the end part of the elastic secretor device (4321) is in contact with the top of the inner wall of the Z-shaped spiral pipe body (431), and the reinforcing rib (4322) is fixed between the inner wall of the Z-shaped spiral pipe body (431) and the two sides corresponding to the surface of the elastic secretor device (4321).

6. An irrigation apparatus according to claim 5, wherein: the elastic dark ware device (4321) is provided with an arc-shaped rod (43211), an elastic block device (43212) and a return spring (43213), the elastic block device (43212) is connected to the top end of the arc-shaped rod (43211) in a sliding manner, and the return spring (43213) is fixed between the inner part of the arc-shaped rod (43211) and two sides corresponding to the bottom of the elastic block device (43212).

7. An irrigation apparatus according to claim 6, wherein: the bullet piece device (43212) is provided with a bullet piece body (432121), a tip (432122), a cutter (432123) and a multidirectional pricking pin (432124), wherein the tip (432122) is arranged at the top center of the bullet piece body (432121), the cutter (432123) is arranged on the surface of the bullet piece body (432121) and located on two sides of the tip (432122), and the multidirectional pricking pin (432124) is arranged on the surface of the bullet piece body (432121) and close to the position of the cutter (432123).