Plastic bullet

Abstract

The utility model discloses a plastic bullet which comprises a plastic bullet shell and a plastic bullet head, and the plastic bullet head is arranged at the front end of the plastic bullet shell. The plastic cartridge case comprises a bullet head case and an ammunition case, the front end of the ammunition case axially extends out of a first sleeve, and the outer diameter of the first sleeve is smaller than that of the ammunition case; the outer side of the front end of the first sleeve protrudes outwards and extends towards the rear end to form an inclined barb, a containing through hole with the diameter larger than the inner diameter of the bullet shell is formed in the inner side of the rear end of the bullet shell, and a hook groove is concavely formed in the inner wall of the containing through hole. The rear end of the bullet shell is connected to the outer side of the first sleeve in a sleeving mode, the first sleeve is contained in the containing through hole, and the inclined barb is clamped in the hook groove. The plastic bullet has the advantages of being easy to machine, firm in connection, low in cost and convenient to assemble.

Description

Technical Field

[0001] The utility model relates to a bullet, in particular to a plastic bullet. Background Art

[0002] Existing bullets are all made of metal materials, which generally only include a shell and a bullet, and the shell is usually an integrated structure. However, the processing technology of the metal shell is complicated, the processing cost is very high, and the energy consumption is large, and it is very inconvenient to assemble. Utility Model Content

[0003] The purpose of the utility model is to provide a plastic bullet which is simple to process, firmly connected, low in cost and convenient to assemble.

[0004] In order to achieve the above-mentioned purpose, the plastic bullet provided by the present invention includes a plastic cartridge case and a plastic bullet, and the plastic bullet is arranged at the front end of the plastic cartridge case; the plastic cartridge case includes a bullet shell and an ammunition shell, and the front end of the ammunition shell axially extends out of a first sleeve, and the outer diameter of the first sleeve is smaller than the outer diameter of the ammunition shell; the outer side of the front end of the first sleeve protrudes outward and extends an oblique hook to the rear end, and the inner side of the rear end of the bullet shell is provided with an accommodating through hole with a diameter larger than the inner diameter of the bullet shell, and the inner wall of the accommodating through hole is recessed with a hook groove; the rear end of the bullet shell is sleeved on the outer side of the first sleeve, the first sleeve is accommodated in the accommodating through hole, and the oblique hook is engaged in the hook groove.

[0005] Compared with the prior art, the present invention divides the plastic cartridge case into a bullet case and an ammunition case, provides a first sleeve at the front end of the ammunition case, and opens a receiving hole at the rear end of the bullet case. The first sleeve is inserted into the receiving hole, and at the same time, an oblique hook is provided on the outer side of the first sleeve, and a hook groove is provided on the inner wall of the receiving hole, so that the oblique hook engages in the hook groove, thereby enabling the bullet case and the ammunition case to be firmly and stably connected. Since the ammunition case and the bullet case are separated, the single structure is simplified and the mold opening is easy. Therefore, processing is very simple and the processing cost is very low. Moreover, during assembly, it is only necessary to axially align the ammunition case and the bullet case, and then insert the first sleeve into the receiving hole to automatically engage the oblique hook with the hook groove, making assembly very convenient and quick. In addition, since the gunpowder burns instantly in the ammunition shell, the air pressure will cause the first sleeve to expand outward. By sleeved the first sleeve in the accommodating through hole, the bullet shell and the first sleeve are expanded simultaneously, thereby preventing the oblique barb from disengaging from the hook groove, ensuring that the bullet shell and the ammunition shell remain stably connected after the bullet is fired, thereby effectively preventing the plastic shell from getting stuck in the chamber.

[0006] Preferably, a guide slope is provided on the side of the oblique barb facing the bullet shell. By providing the guide slope, the bullet shell and the ammunition shell can be quickly aligned and assembled during assembly, thereby improving the convenience of assembly.

[0007] Preferably, the inner wall of the bullet shell is provided with an inwardly protruding snap ring, and the outer wall of the plastic bullet is circumferentially provided with an annular recess, into which the snap ring snaps. By utilizing the snap ring and the annular recess to cooperate, the plastic bullet can be stably snapped to the front end of the plastic bullet shell, thereby ensuring the structural stability of the plastic bullet.

[0008] Preferably, the outer diameter of the first sleeve is equal to the inner diameter of the accommodating through hole.

[0009] Preferably, the plastic cartridge case further comprises a primer seat, which is arranged at the rear end of the ammunition case, a connecting sleeve is provided at the front end of the primer seat, an inner side wall of the connecting sleeve is provided with a snap hook, a second sleeve is extended backward from the rear end of the ammunition case, an outer side of the second sleeve is provided with a snap groove, the connecting sleeve is sleeved on the outside of the second sleeve, and the snap hook is engaged with the snap groove.

[0010] Specifically, a guide slope is provided on the side of the engaging hook facing the ammunition shell. By providing the guide slope, the primer shell and the ammunition shell can be quickly aligned and assembled during assembly, thereby improving the convenience of assembly.

[0011] Specifically, the inner diameter of the connecting sleeve is equal to the outer diameter of the second sleeve.

[0012] Specifically, the rear end face of the primer seat is provided with a accommodating cavity for accommodating the primer, an annular baffle is provided between the accommodating cavity and the interior of the connecting sleeve, an ignition hole is opened in the middle of the annular baffle, and the accommodating cavity and the interior of the connecting sleeve are connected through the ignition hole.

[0013] Specifically, a shell extraction groove is provided in an annular manner on the outer periphery of the primer seat.

[0014] Specifically, a limiting surface is provided at the root portion where the second sleeve is connected to the ammunition shell. When the connecting sleeve is sleeved on the second sleeve, the front end surface of the connecting sleeve abuts against the limiting surface. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural diagram of the plastic bullet of the present utility model.

[0016] Figure 2 It is a structural diagram of the bullet shell of the plastic bullet of the present invention.

[0017] Figure 3 It is a structural diagram of the ammunition shell of the plastic bullet of the present invention.

[0018] Figure 4 It is a structural diagram of the primer of the plastic bullet of the present invention. DETAILED DESCRIPTION

[0019] In order to explain the technical content, structural features and effects achieved by the present invention in detail, the following is a detailed description in conjunction with the embodiments and the accompanying drawings.

[0020] like Figures 1 to 3 As shown, the plastic bullet 100 of the present invention includes a plastic cartridge case 1 and a plastic bullet 2, and the plastic bullet 2 is arranged at the front end of the plastic cartridge case 1; the plastic cartridge case 1 includes a bullet shell 11 and an ammunition shell 12, and the front end of the ammunition shell 12 axially extends a first sleeve 121, and the outer diameter of the first sleeve 121 is smaller than the outer diameter of the ammunition shell 12; the outer side of the front end of the first sleeve 121 protrudes outward and extends to the rear end with an oblique hook 122, and the inner side of the rear end of the bullet shell 11 is provided with an accommodating through hole 111 with a diameter larger than the inner diameter of the bullet shell 11, and the inner wall of the accommodating through hole 111 is recessed with a hook groove 112; the rear end of the bullet shell 11 is sleeved on the outer side of the first sleeve 121, the first sleeve 121 is accommodated in the accommodating through hole 111, and the oblique barb 122 is engaged in the hook groove 112.

[0021] See also Figure 1 and Figure 2 The oblique barb 122 is provided with a guide slope 123 on one side of the bullet shell 11. By providing the guide slope 123, the bullet shell 11 and the ammunition shell 12 can be quickly aligned and assembled during assembly, thereby improving the convenience of assembly.

[0022] See also Figure 1 The inner wall of the bullet shell 11 is provided with an inwardly protruding engaging ring 112, and the outer wall of the plastic bullet 2 is circumferentially provided with an annular recess 21, and the engaging ring 112 engages in the annular recess 21. By utilizing the engaging ring 112 and the annular recess 21, the plastic bullet 2 can be stably engaged with the front end of the plastic bullet shell 1, ensuring the structural stability of the plastic bullet 100.

[0023] The outer diameter of the first sleeve 121 is equal to the inner diameter of the accommodating through hole 111. The outer diameter of the rear end surface of the bullet shell 11 is equal to the outer diameter of the ammunition shell 12, so that the outer surfaces of the two remain flush after connection.

[0024] See also Figure 1 、 Figure 3 and Figure 4The plastic cartridge case 1 also includes a primer seat 3, which is positioned at the rear end of the cartridge case 12. A connecting sleeve 31 is provided at the front end of the primer seat 3. A locking hook 32 is provided on the inner sidewall of the connecting sleeve 31. A second sleeve 124 extends rearward from the rear end of the cartridge case 12. A locking groove 125 is provided on the outer side of the second sleeve 124. The connecting sleeve 31 fits over the second sleeve 124, and the locking hook 32 engages with the locking groove 125. A stopper surface 126 is provided at the base of the second sleeve 124 where it connects to the cartridge case 12. When the connecting sleeve 31 fits over the second sleeve 124, the front end surface of the connecting sleeve 31 abuts against the stopper surface 126. The locking hook 32 has a guide slope 321 on the side facing the cartridge case 12. The provision of the guide slope 127 allows for quick alignment and assembly of the primer and cartridge case 12, improving assembly convenience.

[0025] The inner diameter of the connecting sleeve 31 is equal to the outer diameter of the second sleeve 124. The outer diameter of the front end of the connecting sleeve 31 is equal to the outer diameter of the rear end of the ammunition shell, so that the outer side walls of the two remain flush after connection.

[0026] See also Figure 4 The rear end surface of the primer holder 3 is provided with a chamber 33 for accommodating the primer. An annular baffle 34 is provided between the chamber 33 and the interior of the connecting sleeve 31. A pilot hole 35 is provided in the middle of the annular baffle 34. The chamber 33 communicates with the interior of the connecting sleeve 31 through the pilot hole 35. A shell-removing groove 36 is provided in an annular manner on the outer periphery of the primer holder 3.

[0027] Compared with the prior art, the present invention divides the plastic cartridge case 1 into a bullet case 11, an ammunition case 12 and a primer 3, provides a first sleeve 121 at the front end of the ammunition case 12, opens a receiving hole 111 at the rear end of the bullet case 11, and makes the first sleeve 121 be sleeved in the receiving hole 111. At the same time, an oblique hook 122 is provided on the outer side of the first sleeve 121, and a hook groove 112 is provided on the inner wall of the receiving hole 111, so that the oblique hook 122 is engaged in the hook groove 112, thereby making the bullet case 11 and the ammunition case 12 can be firmly and stably connected. Since the cartridge case 12 is separated from the bullet case 11, the single structure is simplified and mold opening is easy, thus making it very simple to manufacture and having very low processing costs. Moreover, during assembly, it is only necessary to axially align the cartridge case 12 with the bullet case 11 and then insert the first sleeve 121 into the accommodating through hole 111 so that the oblique barb 122 automatically engages with the hook groove 112, making assembly very convenient and quick. In addition, due to the instantaneous combustion of gunpowder in the cartridge case 12, the air pressure causes the first sleeve 121 to expand outward. By inserting the first sleeve 121 into the accommodating through hole 111, the first sleeve 121 pushes the bullet case 11 to expand simultaneously, thereby preventing the oblique barb 122 from disengaging from the hook groove 112, ensuring that the bullet case 11 and the cartridge case 12 remain stably connected after the bullet is fired, thereby effectively preventing the plastic cartridge case 1 from becoming stuck in the chamber. At the same time, by providing a second sleeve 124 at the rear end of the cartridge case 12, providing an engaging groove 125 on the outside of the second sleeve 124, and providing an engaging hook 32 on the outside of the connecting sleeve 31 of the primer seat 3, the engaging hook 32 engages with the engaging groove 125, thereby firmly and stably connecting the primer seat 3 and the cartridge case 12. This makes processing very simple, assembly is easy, and the cost is low. Moreover, at the moment of gunpowder explosion, the engaging hook 32 will also firmly engage with the engaging groove 125, ensuring the stability of the connection between the primer seat 3 and the cartridge case 12.

[0028] The structure of the primer 3 involved in the plastic bullet 100 of the present invention is well known to those skilled in the art and will not be described in detail here.

[0029] The above disclosure is only a preferred embodiment of the present invention and certainly cannot be used to limit the scope of rights of the present invention. Therefore, equivalent changes made according to the scope of the patent application of the present invention still fall within the scope covered by the present invention.

Claims

1. A plastic bullet, characterized by: The invention comprises a plastic cartridge case and a plastic bullet, wherein the plastic bullet is arranged at the front end of the plastic cartridge case; the plastic cartridge case comprises a bullet shell and an ammunition shell, wherein a first sleeve is axially extended from the front end of the ammunition shell, and the outer diameter of the first sleeve is smaller than the outer diameter of the ammunition shell; the outer side of the front end of the first sleeve protrudes outward and extends an oblique hook toward the rear end, and an accommodating through hole with a diameter larger than the inner diameter of the bullet shell is provided on the inner side of the rear end of the bullet shell, and a hook groove is recessed on the inner wall of the accommodating through hole; the rear end of the bullet shell is sleeved on the outer side of the first sleeve, the first sleeve is accommodated in the accommodating through hole, and the oblique hook is engaged in the hook groove.

2. The plastic bullet according to claim 1, wherein: A guiding slope is provided on one side of the oblique barb facing the bullet shell.

3. The plastic bullet according to claim 1, wherein: The inner wall of the bullet shell is provided with an inwardly protruding engaging protrusion ring, and the outer side wall of the plastic bullet is circumferentially provided with an annular recess, and the engaging protrusion ring is engaged in the annular recess.

4. The plastic bullet according to claim 1, wherein: The outer diameter of the first sleeve is equal to the inner diameter of the accommodating through hole.

5. The plastic bullet according to claim 1, wherein: The plastic cartridge case also includes a primer seat, which is arranged at the rear end of the ammunition case. A connecting sleeve is provided at the front end of the primer seat, and a locking hook is provided on the inner side wall of the connecting sleeve. A second sleeve extends backward from the rear end of the ammunition case, and a locking groove is provided on the outer side of the second sleeve. The connecting sleeve is sleeved on the outside of the second sleeve, and the locking hook is engaged with the locking groove.

6. The plastic bullet according to claim 5, wherein: A guiding slope is provided on one side of the locking hook facing the ammunition shell.

7. The plastic bullet according to claim 5, wherein: The inner diameter of the connecting sleeve is equal to the outer diameter of the second sleeve.

8. The plastic bullet according to claim 5, wherein: The rear end face of the primer seat is provided with a receiving cavity for accommodating the primer, an annular baffle is provided between the receiving cavity and the interior of the connecting sleeve, an ignition hole is opened in the middle of the annular baffle, and the receiving cavity and the interior of the connecting sleeve are communicated through the ignition hole.

9. The plastic bullet according to claim 5, wherein: The outer periphery of the primer seat is provided with a shell extraction groove in an annular manner.

10. The plastic bullet according to claim 5, wherein: A limiting surface is provided at the root portion where the second sleeve is connected to the ammunition shell. When the connecting sleeve is sleeved on the second sleeve, the front end surface of the connecting sleeve abuts against the limiting surface.

Images