Projectile body empennage
By designing notches for holding and fixing slots for locking on the tail fins of the missile body, the problem of the complexity of traditional tail fin structures is solved, and simple and convenient disassembly and assembly and stable installation are achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-08
- Publication Date
- 2026-03-24
AI Technical Summary
Traditional missile tail fin structures are complex and require multiple screws for fixing, resulting in cumbersome disassembly and assembly and affecting efficiency.
Design a projectile tail fin that achieves axial and radial limiting by creating a notch in a part of the fin and holding it in a mounting groove, and locking it in the fixing groove with a fastener. Only one fastener is needed to fix one fin.
It simplifies the installation process, improves disassembly and assembly efficiency, and achieves a stable fixing effect without the need for extra parts.
Smart Images
Figure CN224034506U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to guided missile body accessory technical field especially, relate to a missile body tail wing. BACKGROUND
[0002] At present, the missile body tail wing mainly adjusts the flight attitude of the gliding guided suite to ensure accurate flight. However, the traditional tail wing needs to be fixed by wing support and multiple screws, and the structure is complex, and the disassembly and assembly are relatively cumbersome, thereby affecting the disassembly and assembly efficiency.
[0003] Therefore, it is necessary to provide a missile body tail wing to solve the above problems. UTILITY MODEL CONTENT
[0004] The utility model discloses a missile body tail wing can limit and lock the wing piece in the axial direction and radial direction of the rotating drum, is simple and practical to install, and one wing piece can be fixed by using only one fixing part, has no redundant parts, and is convenient to disassemble and assemble.
[0005] In order to realize the above-mentioned purpose, the technical scheme provided by the utility model is as follows: a missile body tail wing, comprising a wing piece and a rotating drum body, the rotating drum body comprises an inner ring body and an outer ring body, the outer ring body is connected with the inner ring body through a connecting part, and an installation groove extending into the connecting part is formed in the outer ring body, a fixing groove is arranged on the installation groove close to the rear end of the rotating drum body, the wing piece is provided with a notch, the wing piece is clamped and installed in the installation groove, and the notch is arranged close to the fixing groove, and the wing piece is locked by being installed in the fixing groove through a fixing part.
[0006] Preferably, the fixing groove is divided into two fixing subgrooves, one of the fixing subgrooves is arranged on an inner side wall of the connecting part, and the other fixing subgroove is arranged on the other inner side wall of the connecting part.
[0007] Preferably, the two fixing subgrooves are oppositely arranged, the two fixing subgrooves are spliced into a hollow cylindrical shape, and the two fixing subgrooves are provided with internal threads.
[0008] Preferably, the notch is provided with a fixing hole, the fixing hole is provided with an internal thread, the fixing part is provided with an external thread, and the fixing part is installed in the fixing groove and inserted into the fixing hole.
[0009] Preferably, an inclined surface B and an inclined surface C are formed on the side wall of the notch.
[0010] Preferably, the missile body tail wing further comprises a sealing piece, the sealing piece is buckled at the front end of the rotating drum body and located between the inner ring body and the outer ring body.
[0011] Compared with the prior art, the beneficial effects are that, by means of the design of locally opening a notch in the fin and clamping the fin in the mounting groove, the fin can be limited and locked in the axial and radial directions of the rotating drum body, the installation is simple and practical, and through the installation mode, the fin is stably installed on the rotating drum body, and only one fixing piece is used to fix one fin, without extra parts, and the fin is convenient to disassemble and assemble.
[0012] Other features and advantages of the present application will be described in the following description, and some will be apparent from the description, or can be understood by practicing the present application. The features and advantages of the present application can be achieved and obtained by the elements and combinations specifically indicated in the appended claims. BRIEF DESCRIPTION OF DRAWINGS
[0013] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings;
[0014] Figure 1 The front view of the projectile tail wing provided by the present application is shown.
[0015] Figure 2 The Figure 1 The perspective view of the rotating drum body of the projectile tail wing is shown.
[0016] Figure 3 The Figure 1 The perspective view of the projectile tail wing is shown.
[0017] Figure 4 The Figure 1 The side view of the projectile tail wing is shown.
[0018] Figure 5 The Figure 1 The perspective view of the fin of the projectile tail wing is shown.
[0019] Figure 6 The Figure 1 The front view of the fin of the projectile tail wing is shown
[0020] Reference signs: 1, fin; 11, notch; 12, fixing hole; 2, rotating drum body; 21, inner ring body; 22, outer ring body; 3, connecting part; 4, mounting groove; 41, fixing groove; 5, fixing piece; 6, sealing piece. DETAILED DESCRIPTION
[0021] In order to make the purpose, technical scheme and beneficial technical effects of the utility model clearer and more understandable, the utility model will be further described in detail below in combination with the drawings and specific embodiments.
[0022] It should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.
[0023] It should also be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing", "setting" and the like should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0024] In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second", "third" can explicitly or implicitly include one or more features. In addition, the meaning of "multiple", "several" is two or more than two, unless otherwise explicitly specified and limited.
[0025] Please refer to Figures 1 to 4 The utility model provides a bullet tail wing, including wing piece 1 and rotary drum body 2, rotary drum body 2 includes inner ring body 21 and outer ring body 22, outer ring body 22 is connected with inner ring body 21 through connecting portion 3, and mounting slot 4 extending to connecting portion 3 is set up on outer ring body 22, mounting slot 4 is equipped with fixed slot 41 close to the rear end of rotary drum body 2, wing piece 1 is set up with notch 11, wing piece 1 is clamped and installed in mounting slot 4, and notch 11 is set close to fixed slot 41, and wing piece 1 is locked through the installation of fixing part 5 in fixed slot 41.
[0026] The wing piece 1 is clamped in the installation groove 4, and the wing piece 1 is limited and locked in the axial and radial directions of the rotary drum body 2, the installation is simple and practical, the wing piece 1 is stably installed on the rotary drum body 2 through the installation mode, one fixing piece 5 can be used to fix one wing piece 1, there is no extra component, and the wing piece 1 is convenient to disassemble and assemble.
[0027] In a preferred embodiment, the fixing groove 41 is divided into two fixing subgrooves, one of which is distributed on an inner side wall of the connecting part 3, and the other is distributed on the other inner side wall of the connecting part 3. It should be noted that in this embodiment, the two fixing subgrooves are oppositely distributed, the two fixing subgrooves are spliced into a hollow cylindrical shape, and the two fixing subgrooves are provided with internal threads.
[0028] In a preferred embodiment, the notch 11 is provided with a fixing hole 12, the fixing hole 12 is provided with an internal thread, the fixing piece 5 is provided with an external thread, and the fixing piece 5 is installed in the fixing groove 41 and inserted into the fixing hole 12.
[0029] In a preferred embodiment, the side wall at the notch 11 is formed with an inclined surface B and an inclined surface C, which facilitates the stable limitation of the wing piece 1 in the installation groove 4 of the rotary drum body 2 when the wing piece 1 is clamped in the installation groove 4.
[0030] In a preferred embodiment, the elastic body tail wing further comprises a sealing piece 6, the sealing piece 6 is buckled at the front end of the rotary drum body 2 and located between the inner ring body 21 and the outer ring body 22, and plays a sealing role for the elastic body tail wing.
[0031] The utility model is not limited to the description in the specification and embodiments, so that other advantages and modifications can be easily realized by those skilled in the art, and the utility model is not limited to specific details, representative equipment and the drawing examples shown and described herein without departing from the general concept and scope defined by the claims and equivalent range.
Claims
1. A projectile tail fin, characterized in that, The device includes a winglet (1) and a rotating cylinder (2). The rotating cylinder (2) includes an inner ring (21) and an outer ring (22). The outer ring (22) is connected to the inner ring (21) through a connecting part (3). The outer ring (22) has an installation groove (4) extending into the connecting part (3). The installation groove (4) has a fixing groove (41) near the rear end of the rotating cylinder (2). The winglet (1) has a notch (11). The winglet (1) is clamped and installed in the installation groove (4). The notch (11) is located near the fixing groove (41). The winglet (1) is locked in the fixing groove (41) by a fastener (5).
2. The projectile tail fin as described in claim 1, characterized in that, The fixing groove (41) is divided into two fixing sub-grooves, one of which is distributed on one inner side wall of the connecting part (3), and the other fixing sub-grooves is distributed on the other inner side wall of the connecting part (3).
3. The projectile tail fin as described in claim 2, characterized in that, Two fixed slots are distributed opposite each other, and the two fixed slots are spliced together to form a hollow cylinder, and the two fixed slots are provided with internal threads.
4. The projectile tail fin as described in claim 3, characterized in that, The notch (11) is provided with a fixing hole (12), the fixing hole (12) is provided with an internal thread, the fixing member (5) is provided with an external thread, and the fixing member (5) is installed in the fixing groove (41) and inserted into the fixing hole (12).
5. The projectile tail fin as described in claim 4, characterized in that, Inclined surfaces B and C are formed on the sidewall at the notch (11).
6. The projectile tail fin as described in claim 1, characterized in that, The tail fin of the projectile also includes a sealing plate (6), which is snapped onto the front end of the rotating cylinder (2) and located between the inner ring body (21) and the outer ring body (22).