Safety signal detonator shell
By designing a foldable-mounted tail wing and automatic deployment mechanism, the problems of vulnerability and safety hazards in the handling and storage of traditional signal flare tail wings are solved, and stable flight and efficient transportation of signal flares are achieved.
Patent Information
- Application Number
- CN202422885387.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-25
- Publication Date
- 2025-06-24
- Estimated Expiration
- 2034-11-25
AI Technical Summary
The tail of traditional signal flares is susceptible to damage during handling and storage, and has safety hazards, which may affect flight performance and combat mission completion.
A safety signal flare shell is designed, and its tail wing can be folded and mounted on the shell. Through the combination of a rotating shaft, spiral groove and pushing assembly, the tail wing will automatically be folded before launch and automatically unfold after launch.
It effectively avoids damage to the tail wing during handling and storage and danger to the operator, ensures the flight stability and accuracy of the signal flare, while reducing air resistance and improving flight distance and accuracy.
Smart Images
Figure CN223021100U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of signal flares, in particular to a safety signal flare shell. Background Technique
[0002] As an important communication and indication tool, signal flares play a crucial role in air combat. Especially in a complex battlefield environment, signal flares can help pilots quickly transmit information, mark targets or guide friendly forces for support.
[0003] Traditional signal flares usually have fins installed at the tail to improve their flight stability and accuracy. These fins protrude from the shell. Although they help the signal flare to maintain stability in the air, there are many problems during handling and storage. Specifically, they are as follows:
[0004] Fins are easily damaged: Since the fins protrude from the shell, they are easily collided with other objects during handling, resulting in the fins being bent or broken. This not only affects the flight performance of the signal flare, but also may cause the signal flare to malfunction and affect the completion of combat missions.
[0005] Safety hazard: The protruding fins are easy to scratch the operators during handling, increasing the operation risk. Content of the Utility Model
[0006] To solve the above technical problems, the utility model provides a safety signal flare shell with a simple structure. The fins can be foldably installed on the shell. When the fuel inside the signal flare is ignited, the fins can automatically unfold, reducing the probability of damage during handling.
[0007] The safety signal flare shell of the utility model includes a signal flare shell body; and also includes:
[0008] A plurality of fins, installed on the signal flare shell body;
[0009] An installation component, arranged on the signal flare shell body for installing the fins;
[0010] The installation component includes:
[0011] A rotating shaft, rotatably installed on the signal flare shell body; the axis of the rotating shaft is parallel to the axis of the signal flare shell body; the fin is fixed to the rotating shaft;
[0012] A cavity, opened inside the signal flare shell body;
[0013] A slider, slidably installed in the cavity along the axis direction of the signal flare shell body; a fixing pin is fixed on the slider;
[0014] Wherein, a spiral groove is opened on the outer wall of the rotating shaft, and the end of the fixing pin extends into the spiral groove;
[0015] The installation component further includes:
[0016] A pushing component, installed in the cavity, for driving the slider to slide.
[0017] As a preferred embodiment of the present utility model, a linear groove is further provided on the outer wall of the rotating shaft; the linear groove is arranged along the axis direction of the rotating shaft; one end of the linear groove is communicated with the spiral groove.
[0018] As a preferred embodiment of the present utility model, the pushing component includes:
[0019] A cylinder block, fixed in the cavity;
[0020] A piston rod, slidably connected to the cylinder block; one end of the piston rod is connected to the slider;
[0021] A thermal expansion material, arranged in the cylinder block; when the thermal expansion material is heated, it pushes the piston rod to slide.
[0022] As a preferred embodiment of the present utility model, the installation component further includes:
[0023] A notch, opened on the surface of the signal flare cartridge body; the notch is communicated with the cavity;
[0024] Two central shafts, respectively fixed at both ends of the rotating shaft; the two central shafts are respectively rotatably connected to both sides of the notch.
[0025] As a preferred embodiment of the present utility model, the inner wall of the notch is an arc-shaped surface that fits closely against the outer wall of the rotating shaft.
[0026] As a preferred embodiment of the present utility model, the installation component further includes:
[0027] A first placement groove, opened on the surface of the signal flare cartridge body, for placing the tail fin.
[0028] As a preferred embodiment of the present utility model, the installation component further includes:
[0029] A second placement groove, opened on the surface of the signal flare cartridge body, symmetrically arranged with the first placement groove.
[0030] As a preferred embodiment of the present utility model, the top surface of the tail fin is inclined.
[0031] Compared with the prior art, the beneficial effects of the present utility model are as follows: By retracting the tail fin on the surface of the signal flare cartridge body before launching, it effectively avoids the damage of the tail fin and the risk of scratching the operator during handling and storage, improves the safety of transportation and storage. During launching, the tail fin automatically rotates 90° and unfolds through the design of the pushing component and the spiral groove, ensuring the stability and accuracy of the signal flare during flight in the air. At the same time, it reduces air resistance and improves the flight distance and accuracy. Brief Description of the Drawings
[0032] Figure 1 is the structural schematic diagram of the present utility model;
[0033] Figure 2 is Figure 1 the explosion diagram of
[0034] Figure 3 is Figure 2 the partial enlarged view of part A in
[0035] Figure 4 is the sectional view of the present utility model;
[0036] Figure 5 is the structural schematic diagram of the tail fin, rotating shaft, spiral groove, and linear groove;
[0037] Figure 6 is the sectional view of the pushing component;
[0038] Reference numerals in the drawings: 1, signal flare cartridge body; 2, tail fin; 3, mounting component; 31, rotating shaft; 32, cavity; 33, slider; 34, fixing pin; 35, spiral groove; 36, linear groove; 37, cylinder block; 38, piston rod; 39, thermal expansion material; 310, notch; 311, central axis; 312, placement groove one; 313, placement groove two. Detailed Description of the Preferred Embodiment
[0039] In order to make the above objects, features, and advantages of the present utility model more obvious and understandable, the following detailed description of the specific embodiments of the present utility model will be given in conjunction with the accompanying drawings of the specification.
[0040] In the following description, many specific details are set forth in order to fully understand the present utility model. However, the present utility model can also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the connotation of the present utility model. Therefore, the present utility model is not limited by the specific embodiments disclosed below.
[0041] Second, the "embodiment" mentioned herein refers to specific features, structures or characteristics that can be included in at least one implementation manner of the present utility model. The phrase "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor is it an individual or alternative embodiment that is mutually exclusive with other embodiments.
[0042] Embodiment
[0043] Referring to Figures 1-5 , this embodiment provides a safety signal flare cartridge, which includes a signal flare cartridge body 1; the signal flare cartridge body 1 is of a rectangular structure as a whole, and compared with a cylindrical structure, it can hold more substances such as fuel; it further includes:
[0044] A plurality of fins 2 are installed on the signal flare cartridge body 1, and the fins 2 are installed on the ammunition side of the signal flare cartridge body 1, and the number of the fins 2 can be adjusted as needed;
[0045] An installation assembly 3 is arranged on the signal flare cartridge body 1 for installing the fins 2;
[0046] The installation assembly 3 includes:
[0047] A rotating shaft 31 is rotatably installed on the signal flare cartridge body 1; the axis of the rotating shaft 31 is parallel to the axis of the signal flare cartridge body 1; the fin 2 is fixed to the rotating shaft 31;
[0048] A cavity 32 is opened inside the signal flare cartridge body 1;
[0049] A slider 33 is slidably installed in the cavity 32 along the axis direction of the signal flare cartridge body 1; a fixing pin 34 is fixed on the slider 33;
[0050] Wherein, a spiral groove 35 is opened on the outer wall of the rotating shaft 31, and the end of the fixing pin 34 extends into the spiral groove 35;
[0051] The installation assembly 3 further includes:
[0052] A pushing assembly is installed in the cavity 32, and the pushing assembly is used to drive the slider 33 to slide;
[0053] The specific operation process of this device is as follows: When the signal flare is not launched, the tail fin 2 is in the retracted state. At this time, the slider 33 is located at one end of the cavity 32, and the end of the fixing pin 34 extends into the starting position of the spiral groove 35. At this time, the signal flare is transported, which will not cause damage to the tail fin 2 and will not cause harm to the handlers; after launching, the pushing component operates to move the slider 33 and the fixing pin 34 along the axis direction of the signal flare shell body 1. Since the thread groove is spiral and the number of turns of the spiral groove 35 is 0.25 turns, when the fixing pin 34 slides, the rotating shaft 31 and the tail fin 2 are rotated by 90°, making the tail fin 2 perpendicular to the signal flare shell body 1.
[0054] If there is only the spiral groove 35, a more precise stroke of the pushing component is required, which undoubtedly increases the cost. As a preferred solution of the present utility model, referring to Figures 3-5 , a straight groove 36 is also provided on the outer wall of the rotating shaft 31; the straight groove 36 is arranged along the axis direction of the rotating shaft 31; the straight groove 36 is communicated with one end of the spiral groove 35; when the fixing pin 34 moves along the straight groove 36, since the straight groove 36 is arranged along the axis direction of the rotating shaft 31, the movement of the fixing pin 34 will not affect the angle of the rotating shaft 31, which makes the stroke of the pushing component not need to be very precise, and only needs to be greater than the span of the spiral groove 35.
[0055] As a preferred solution of the present utility model, referring to Figures 3-6 , the pushing component includes:
[0056] A cylinder block 37, which is fixed in the cavity 32;
[0057] A piston rod 38, which is slidably connected to the cylinder block 37; one end of the piston rod 38 is connected to the slider 33;
[0058] A thermal expansion material 39, which is arranged in the cylinder block 37; when the thermal expansion material 39 is heated, it pushes the piston rod 38 to slide;
[0059] The specific working process of the pushing component is as follows: When the signal flare is not launched, the thermal expansion material 39 is in a normal temperature state with a small volume, the piston rod 38 remains in the initial position, the slider 33 is located at one end of the cavity 32, the end of the fixing pin 34 extends into the starting position of the spiral groove 35, and the tail fin 2 adheres to the surface of the signal flare shell body 1; when the signal flare is launched, the fuel in the signal flare shell body 1 burns to generate high temperature, and the thermal expansion material 39 is affected by the high temperature environment and rapidly expands in volume. The expanded thermal expansion material 39 pushes the piston rod 38 to slide along the cylinder block 37, and then pushes the slider 33 and the fixing pin 34 to move, thereby controlling the rotation of the tail fin 2; among them, the thermal expansion material 39 can adopt thermal expansion wax or thermal expansion plastic, etc., and its volume changes significantly when heated.
[0060] If the rotating shaft 31 is directly rotatably installed on the surface of the signal flare cartridge body 1, the volume of the signal flare cartridge body 1 will increase. As a preferred solution of the present invention, refer to Figure 2 , the mounting assembly 3 further includes:
[0061] A notch 310 is formed on the surface of the signal flare cartridge body 1; the notch 310 communicates with the cavity 32; and the notch 310 is arranged along the surface of the signal flare cartridge body 1;
[0062] Two central shafts 311 are respectively fixed to both ends of the rotating shaft 31; the two central shafts 311 are respectively rotatably connected to both sides of the notch 310;
[0063] By adopting the above mounting method, the occupied space of the rotating shaft 31 can be reduced, thereby reducing the overall volume of the signal flare.
[0064] If the shape of the notch 310 is rectangular, there will be a gap between the rotating shaft 31 and the notch 310, and foreign objects may get stuck in the gap. As a preferred solution of the present invention, refer to Figure 2 , the inner wall of the notch 310 is an arc-shaped that fits tightly against the outer wall of the rotating shaft 31. The arc-shaped inner wall design can better seal the connection between the rotating shaft 31 and the notch 310, preventing the influence of the external environment on the internal components.
[0065] If the tail fin 2 is directly attached to the surface of the signal flare cartridge body 1, the volume will increase. As a preferred solution of the present invention, refer to Figure 2 , the mounting assembly 3 further includes:
[0066] A first placement groove 312 is formed on the surface of the signal flare cartridge body 1. The first placement groove 312 is used to place the tail fin 2. As shown in the figure, the first placement groove 312 communicates with a part of the notch 310. When the tail fin 2 is in the retracted state, the tail fin 2 is completely within the first placement groove 312 and does not increase the occupied space.
[0067] When the tail fin 2 is in the working state, the first placement groove 312 is in an idle state. During flight, it may cause unstable phenomena. As a preferred solution of the present invention, refer to Figure 2 , the mounting assembly 3 further includes:
[0068] A second placement groove 313 is formed on the surface of the signal flare cartridge body 1. The second placement groove 313 is symmetrically arranged with the first placement groove 312, making the center of gravity of the signal flare more balanced during flight and reducing the skewing and unstable phenomena caused by the idle of the unilateral placement groove.
[0069] As a preferred solution of the present invention, refer to Figure 3, the top surface of the tail fin 2 is inclined. The inclined top surface of the tail fin 2 can reduce air resistance, making the signal flare more stable during flight and reducing the deviation caused by air flow interference.
[0070] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present invention, and they should all be covered within the scope of the claims of the present invention.
Claims
1. A safety flare shell, comprising a flare shell body (1); characterized in that: Also includes: A plurality of tail wings (2) mounted on the flare shell body (1); A mounting assembly (3) disposed on the flare shell body (1) and used for mounting the tail fin (2); The installation component (3) comprises: A rotating shaft (31) is rotatably mounted on the flare shell body (1); the axis of the rotating shaft (31) is parallel to the axis of the flare shell body (1); and the tail wing (2) is fixed on the rotating shaft (31); A cavity (32) is provided inside the flare shell body (1); A slider (33) is slidably mounted in the cavity (32) along the axial direction of the flare shell body (1); a fixing pin (34) is fixed on the slider (33); Wherein, a spiral groove (35) is provided on the outer wall of the rotating shaft (31), and the end of the fixing pin (34) extends into the spiral groove (35); The installation component (3) further comprises: A pushing component is installed in the cavity (32), and the pushing component is used to drive the slider (33) to slide.
2. The safety flare shell as claimed in claim 1, characterized in that: A linear groove (36) is also provided on the outer wall of the rotating shaft (31); the linear groove (36) is arranged along the axial direction of the rotating shaft (31); and the linear groove (36) is connected to one end of the spiral groove (35).
3. The safety flare shell as claimed in claim 1, characterized in that: The pushing component comprises: A cylinder body (37), wherein the cylinder body (37) is fixed in the cavity (32); a piston rod (38), the piston rod (38) being slidably connected to the cylinder body (37); one end of the piston rod (38) being connected to the slider (33); The thermal expansion material (39) is disposed in the cylinder body (37); when the thermal expansion material (39) is heated, it pushes the piston rod (38) to slide.
4. The safety flare shell as claimed in claim 1, characterized in that: The installation component (3) further comprises: A notch (310) is formed on the surface of the flare shell body (1); the notch (310) is in communication with the cavity (32); Two central shafts (311) are respectively fixed to two ends of the rotating shaft (31); the two central shafts (311) are respectively rotatably connected to two sides of the notch (310).
5. The safety flare shell as claimed in claim 4, characterized in that: The inner wall of the notch (310) is in an arc shape that is closely attached to the outer wall of the rotating shaft (31).
6. The safety flare shell as claimed in claim 4, characterized in that: The installation component (3) further comprises: A placement groove (312) is provided on the surface of the flare shell body (1), and the placement groove (312) is used for placing the tail wing (2).
7. The safety flare shell as claimed in claim 6, characterized in that: The installation component (3) further comprises: The second placement groove (313) is provided on the surface of the signal flare shell body (1), and the second placement groove (313) is symmetrically arranged with the first placement groove (312).
8. The safety flare shell as claimed in claim 1, characterized in that: The top surface of the tail wing (2) is inclined.