Air-blast mortar shell
By designing air-fried mortar shells, using the cooperation of instantaneous fuses and delayed fuzes, the steel balls diverge at high speed after the lower bullet barrel is separated from the steel ball barrel, solving the problem of small strike range of traditional mortar shells and achieving an effective blow to targets on the ground and bunkers.
Patent Information
- Application Number
- CN202422624064.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-30
- Publication Date
- 2025-08-05
- Estimated Expiration
- 2034-10-30
AI Technical Summary
The impact range of traditional mortar shells is small and cannot effectively attack enemy personnel and equipment that evade trenches and bunkers.
An air-explosive mortar shell was designed, adopting an upper and lower bullet barrel structure, with instantaneous fuses and delayed fuzes inside. During the explosion, the bullet barrel is separated from the steel ball barrel. The steel ball diverges in an inverted cone shape at a high speed, and combines the air wave to form a downward horn-shaped impact.
The scope of strike has been expanded, and it can effectively attack ground targets and avoid enemy personnel and equipment in trenches and bunkers, providing new attack and defense means.
Smart Images

Figure CN223192228U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of air-bursting mortar shells, in particular to an air-bursting mortar shell. Background Art
[0002] Mortars are commonly used light artillery, carried by infantry to provide fire support. Upon explosion, they rely on fragments and blast from the projectile to inflict damage. However, traditional mortars produce an upward, flared blast and fragments, resulting in a limited range. Furthermore, they can only engage exposed targets on the ground, and are ineffective against personnel and equipment sheltered in trenches or bunkers. Utility Model Content
[0003] The purpose of the utility model is to provide an air-blast mortar shell to solve the problems raised in the above-mentioned background technology.
[0004] In order to solve the above technical problems, the present invention provides the following technical solutions:
[0005] The utility model discloses an air-burst mortar shell, comprising an upper barrel and a lower barrel. The front end of the upper barrel is provided with an instantaneous fuse, the interior of the upper barrel near the instantaneous fuse is an upper powder chamber, the lower end of the lower barrel is provided with a launching barrel connected by a thread, the interior of the lower barrel is a lower powder chamber, the top end of the lower barrel is provided with a fixedly connected steel ball barrel, and the steel ball barrel is inserted into the upper barrel by rotating the thread;
[0006] The steel ball cylinder is filled with steel balls, a conical bowl is placed at the junction of the steel ball cylinder and the lower medicine chamber, the top of the steel ball cylinder is covered with a push bowl, the top of the conical bowl is provided with a fixed integrated delay fuse, the top of the delay fuse is provided with a fire tube, the fire tube is located outside the conical bowl and passes through the push bowl.
[0007] As an improvement, the instantaneous fuse is threadedly connected to the loading tube.
[0008] As an improvement, the detonator tube is threadedly connected to the delay fuse and the push bowl.
[0009] The advantages of the utility model compared with the prior art are that the assembled shell has similar aerodynamic shape, range, ballistic curve and shooting accuracy to the traditional mortar shell. Figure 4 , landing in a basically vertical position and making a shallow pit, such as Figure 5 At this time, the instantaneous fuse triggers the gunpowder in the upper chamber to explode, and the lower barrel and the steel ball barrel separate from the upper barrel. At the same time, the delay fuse is triggered, and the upward impact force brought by the explosion is thrown into the air at a height of 5-30 meters. Figure 6 At this time, the time delay fuse ignites the gunpowder in the lower chamber and explodes. This is the second explosion. The downward impact of the explosion immediately pushes the cone bowl downward. A large number of steel balls in the steel ball tube are strongly squeezed downward and diverge into an inverted cone at high speed. Figure 7 , to strike ground targets, the strike range can reach a diameter of more than ten meters to several dozen meters.
[0010] This air-burst mortar shell has a downward trumpet-shaped steel ball and air wave when it explodes. It has a large attack range and can attack a variety of media. In addition to ground targets, it can also attack enemy personnel and equipment hiding in trenches and bunkers. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings listed below are only some structural schematic diagrams of the present invention, not all of them.
[0012] Figure 1 The utility model is a structural schematic diagram of an air-blast mortar shell.
[0013] Figure 2 This is a cross-sectional view of an air-blast mortar shell of the utility model. Figure 1 .
[0014] Figure 3 This is a cross-sectional view of an air-blast mortar shell of the utility model. Figure 2 .
[0015] Figure 4 The utility model discloses a ballistic diagram of an air-explosion mortar shell.
[0016] Figure 5 The utility model is a schematic diagram of the landing of an air-explosive mortar shell.
[0017] Figure 6 This is a schematic diagram of the explosion of an air-burst mortar shell in the utility model. Figure 1 .
[0018] Figure 7 This is a schematic diagram of the explosion of an air-burst mortar shell in the utility model. Figure 2 .
[0019] Reference numerals:
[0020] Upper barrel 1; lower barrel 2; instantaneous fuse 3; upper powder chamber 4; launching barrel 5; lower powder chamber 6; steel ball barrel 7; steel ball 8; conical bowl 9; push bowl 10; delay fuse 11; firing tube 12. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0022] In the description of the embodiments of the present invention, it should be noted that if the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the accompanying drawings, or is the orientation or position relationship in which the utility model product is usually placed when in use. It is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present invention.
[0023] Furthermore, the use of terms such as "first," "second," and "third" is intended solely to distinguish descriptions and should not be construed as indicating or implying relative importance. The use of terms such as "horizontal," "vertical," and "overhanging" does not necessarily imply that a component must be absolutely horizontal or overhanging; rather, a slight tilt is permitted. For example, "horizontal" simply refers to a direction that is more horizontal than "vertical," not to implying that the structure must be perfectly horizontal; rather, a slight tilt is permitted.
[0024] In the description of the embodiments of the present invention, if the terms "multiple" or "several" appear, they represent at least two.
[0025] In the description of the embodiments of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.
[0026] This embodiment combines the attached Figures 1 to 7 , a detailed description of an air-burst mortar shell.
[0027] This embodiment provides an air-burst mortar shell, including an upper barrel 1 and a lower barrel 2. The upper barrel 1 is provided with a prompt-fire fuse 3 at the front end. The upper barrel 1 has an upper chamber 4 near the prompt-fire fuse 3. The lower barrel 2 has a threaded launch tube 5 at the lower end. The lower barrel 2 has a lower chamber 6 inside. The top of the lower barrel 2 is provided with a fixed steel ball barrel 7. The steel ball barrel 7 is inserted into the upper barrel 1 by rotating the thread. The upper barrel 1 and the lower barrel 2 can be rotated to open the charge chamber 4, and the upper chamber 4 can be disengaged when the upper chamber 4 explodes.
[0028] The steel ball tube 7 contains steel balls 8. A conical bowl 9 is placed at the junction of the steel ball tube 7 and the lower medicine chamber 6. The top of the steel ball tube 7 is covered with a push bowl 10. A fixed delay fuse 11 is provided at the top of the conical bowl 9. A fire tube 12 is provided at the top of the delay fuse 11. The fire tube 12 is located outside the conical bowl 9 and passes through the push bowl 10.
[0029] The instantaneous fuse 3 is threadedly connected to the upper barrel 1.
[0030] Described firing tube 12 is threadedly connected with time delay fuse 11 and push bowl 10. Push bowl 10 can be rotated to open, and steel ball 8 is installed in steel ball tube 7.
[0031] In specific implementation, the material of the shell is high-quality steel, and the charge in the upper chamber 4 is relatively small, which only needs to be sufficient to throw the lower projectile into the air so that the lower projectile can explode at a suitable height.
[0032] The assembled shell has similar aerodynamic shape, range, ballistic curve and shooting accuracy to traditional mortar shells. Figure 4 , landing in a basically vertical position and making a shallow pit, such as Figure 5 At this time, the instantaneous fuse 3 triggers the gunpowder in the upper chamber 4 to explode, and the lower cartridge 2 and the steel ball cylinder 7 separate from the upper cartridge 1. At the same time, the delay fuse 11 is triggered, and the upward impact force brought by the explosion is thrown into the air at a height of 5-30 meters. Figure 6 At this time, the delay fuse 11 ignites the gunpowder in the lower chamber 6 and explodes. This is the second explosion. The downward impact of the explosion immediately pushes the conical bowl 9 downward, and a large number of steel balls 8 in the steel ball tube 7 are strongly squeezed downward and diverge into an inverted cone at high speed. Figure 7 , to strike ground targets, the strike range can reach a diameter of more than ten meters to several dozen meters.
[0033] This air-burst mortar shell features steel balls, which can be replaced with steel columns, tetrahedrons, or polyhedrons. The shells can be made of steel, iron, or other metals, as well as non-metallic materials. It can be used with the 60mm, 82mm, and 120mm mortars. It is suitable for striking enemy personnel and equipment in trenches and bunkers. It can be carried by infantry and paratroopers and is particularly effective in sieges and positional warfare without the support of large-caliber artillery. It provides our army with a new offensive and defensive tool. Different caliber shells have different launch heights. As the caliber increases, the number of steel balls increases, the power increases, the launch height increases, and the damage area expands.
[0034] The above description of the present invention and its embodiments is non-limiting and does not limit the scope of protection. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed by this utility model should be included in the scope of protection of this utility model. Therefore, the scope of protection of this utility model should be based on the scope of protection of the claims.
Claims
1. An air-blast mortar shell, characterized in that: The invention comprises an upper barrel (1) and a lower barrel (2), wherein the front end of the upper barrel (1) is provided with a prompt-fire fuse (3), the interior of the upper barrel (1) near the prompt-fire fuse (3) is an upper powder chamber (4), the lower end of the lower barrel (2) is provided with a launching barrel (5) connected by a thread, the interior of the lower barrel (2) is a lower powder chamber (6), and the top end of the lower barrel (2) is provided with a fixedly connected steel ball barrel (7), and the steel ball barrel (7) is inserted into the upper barrel (1) by rotating the thread; The steel ball cylinder (7) contains a steel ball (8), a conical bowl (9) is placed at the junction of the steel ball cylinder (7) and the lower chamber (6), the top of the steel ball cylinder (7) is covered with a push bowl (10), the top of the conical bowl (9) is provided with a fixed integrated delay fuse (11), the top of the delay fuse (11) is provided with a fire tube (12), and the fire tube (12) is located outside the conical bowl (9) and passes through the push bowl (10).
2. An air-burst mortar shell according to claim 1, characterized in that: The instantaneous fuse (3) is threadedly connected to the upper barrel (1).
3. The air-burst mortar shell according to claim 1, characterized in that: The detonator tube (12) is threadedly connected to the time delay fuse (11) and the push bowl (10).