CN217980049U - Buckle type locking device for unfolding folding wings of micro steering engine - Google Patents
Buckle type locking device for unfolding folding wings of micro steering engine Download PDFInfo
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- CN217980049U CN217980049U CN202222478419.0U CN202222478419U CN217980049U CN 217980049 U CN217980049 U CN 217980049U CN 202222478419 U CN202222478419 U CN 202222478419U CN 217980049 U CN217980049 U CN 217980049U
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Abstract
The application relates to a buckle formula locking device that miniature steering wheel folding wing expandes includes: folding wing, folding wing mount pad and buckle mechanism, folding wing mount pad are the disc flange type, and folding wing mount pad is seted up the groove that passes through by outer orientation along the centre of a circle along the radius, and folding wing inserts perpendicularly to be located pass through the groove and with the positive centre of a circle swivelling joint of folding wing mount pad, the bottom of folding wing has the barb, buckle mechanism includes: the fixing seat is arranged in the circle center of the back face of the folding wing mounting seat, the elastic hook arm extends from the fixing seat in the same direction as the folding wings to be connected, the free end of the elastic hook arm is provided with a clamping hook matched with the barb, and after the folding wings are unfolded, the barb is clamped and locked with the clamping hook from between the elastic hook arm and the folding wing mounting seat, so that the folding wings are locked. The device provided by the application ensures that the folding wings can be continuously kept unfolded in the missile flying process, and improves the stability of missile flying.
Description
Technical Field
The application relates to the technical field of tactical missiles, in particular to a buckle type locking device for unfolding a folding wing of a miniature steering engine.
Background
In modern military individual combat, the design of the small missile not only needs to consider whether the function meets the requirement, but also needs to consider the operation requirements in various aspects such as storage, transportation, launching and the like. Therefore, in order to facilitate the operations such as storage, transportation, launching, assembly and the like, the missile is improved in structure during design, and the wings of the missile steering engine can be folded. The folding wings are folded when being stored, transported, launched and assembled and are hidden in the shell, and after the missile is launched and separated from the launching tube, the folding wings of the steering engine are automatically unfolded.
After the folding wings are automatically unfolded, the unfolding state of the folding wings needs to be ensured to be continuously maintained in the missile flying process. Therefore, it is urgently needed to develop a locking device for the folding wings, so as to ensure that the folding wings can be continuously kept unfolded in the process of flying the missile, and improve the flying stability of the missile.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, the embodiment of the application provides a buckle type locking device for unfolding a folding wing of a micro steering engine, so that the folding wing can keep an unfolded state in the missile flying process.
The embodiment of the application adopts the following technical scheme:
the utility model provides a buckle formula locking device that miniature steering wheel folding wing expandes, the device includes: the folding wing, the folding wing mounting seat and the buckle mechanism; wherein,
the folding wing mounting seat is of a disc-shaped flange type, a through groove is formed in the folding wing mounting seat along the radius from the outer edge to the circle center, and the folding wing is vertically inserted into the through groove and is rotationally connected with the circle center of the front face of the folding wing mounting seat;
the bottom of the folding wing is provided with a barb;
the buckle mechanism includes: a fixed seat and an elastic hook arm; the fixing seat is arranged at the center of the back of the folding wing mounting seat, the elastic hook arm extends and is connected with the fixing seat along the same direction as the folding wing, and the free end of the elastic hook arm is provided with a clamping hook matched with the barb;
after the folding wings are unfolded, the barbs are locked with the clamping hooks from the space between the elastic hook arms and the folding wing installation seats, and therefore the folding wings are locked.
Optionally, the apparatus further comprises: a folding wing shaft and a torsion spring; wherein,
the circle center of the front face of the folding wing mounting seat is provided with two limiting pieces parallel to the through groove and used for limiting the folding wing between the two limiting pieces, the two limiting pieces are respectively provided with a through hole, and the two through holes are opposite;
the end part of the folding wing connected with the folding wing mounting seat is provided with a connecting hole which is opposite to the two through holes;
the torsion spring is of a parallel double-torsion structure, two torsion springs of the torsion spring are respectively arranged outside the two limiting pieces, the axes of the two torsion springs are opposite to the two through holes and the connecting holes, and the U-shaped connecting rod of the torsion spring is clamped at the root part of the folding wing;
the folding wing shaft penetrates through the two torsion springs, the through holes of the two limiting pieces and the connecting hole to limit and fix the torsion springs and the folding wings;
the folding wings rotate around the folding wing shafts to unfold.
Optionally, one end of the folding wing shaft is a flange cover, the other end of the folding wing shaft is provided with a pin hole, and the folding wing shaft penetrates through the two torsion springs, the through holes of the two limiting pieces and the connecting hole and is inserted into the pin hole for fixing through the torsion spring stop pin.
Optionally, the torsion spring stop pin is a straight groove elastic pin.
Optionally, the side of the barb facing the elastic hook arm when the folding wing is unfolded has a wedge-shaped cambered surface.
Optionally, the fixing seat is fixed to the back circle center of the folding wing mounting seat through a screw.
The technical scheme adopted by the embodiment of the application can achieve the following beneficial effects:
the application provides a buckle formula locking device that miniature steering wheel folding wing expandes can lock the expansion state of folding wing at the guided missile flight in-process to continuously keep the folding wing to expand, improve the stability of guided missile flight.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
figure 1 shows a front view of a miniature steering engine fold wing deployed snap-in locking device according to one embodiment of the present application;
FIG. 2 shows a top view of a micro steering engine fold wing deployed snap-in locking device according to one embodiment of the present application;
figure 3 illustrates a bottom view of a miniature steering engine fold wing deployed snap-in locking device according to one embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Fig. 1 shows a front view of a buckle-type locking device for unfolding a folding wing of a micro steering engine provided in an embodiment of the present application, fig. 2 shows a top view of the buckle-type locking device for unfolding the folding wing of the micro steering engine provided in an embodiment of the present application, and fig. 3 shows a bottom view of the buckle-type locking device for unfolding the folding wing of the micro steering engine provided in an embodiment of the present application. According to fig. 1-3, the buckle-type locking device for unfolding the folding wings of the micro steering engine in the embodiment comprises: folding wing 1, folding wing mount 7 and buckle mechanism.
The folding wing 1 is a wing structure which can be folded when the missile is stored, transported, launched and assembled and can be automatically unfolded after the missile is launched and separated from the launching canister. The folding wing mount 7 is a support structure of the folding wing 1. The buckle mechanism is a locking structure for keeping the unfolding state of the folding wing 1 after the folding wing 1 is unfolded.
In the embodiment, the folding wing mounting seat 7 is of a disc flange type, a through groove is formed in the folding wing mounting seat 7 along the radius from the outer edge to the center of a circle, and the folding wing 1 is vertically inserted into the through groove and is rotatably connected with the center of the circle on the front surface of the folding wing mounting seat 7; the bottom of the folding wing 1 is provided with a barb; the buckle mechanism includes: a fixed seat and an elastic hook arm; the fixed seat is arranged at the back circle center of the folding wing installation seat 7, the elastic hook arm extends and is connected with the fixed seat along the same direction as the folding wing 1, and the free end of the elastic hook arm is provided with a clamping hook 5 matched with the barb; after the folding wing 1 is unfolded, the barb is locked with the hook 5 from the space between the elastic hook arm and the folding wing mounting seat, so that the folding wing 1 is locked.
Referring to fig. 2, the folding wing mounts 7 are of the disk flange type, and only one quarter of the folding wing mounts 7 are shown for simplicity in illustration in fig. 2. The folding wing mounting seat 7 is provided with a through groove along the radius from the outer edge to the center of a circle for accommodating the folding wing 1. The folding wing 1 is vertically inserted into the through groove and is rotatably connected with the folding wing mounting seat 7 at the center of the front face of the folding wing mounting seat 7.
Referring to fig. 1, the left end of the folding wing 1 is connected to the center of the front surface of the folding wing mounting seat 7, and the folding wing 1 extends vertically to the right in the through groove of the folding wing mounting seat 7. The wings of the folding wings 1 extend to the right upper angle on the front surface of the folding wing mounting seat 7, and the bottoms of the folding wings 1 extend to the back surface of the folding wing mounting seat 7. The bottom of the folding wings 1 has barbs. The back of folding wing mount pad 7 is provided with the fixing base of buckle mechanism, and this fixing base sets up in the back centre of a circle position that is close to folding wing mount pad 7. The elastic hook arm of the buckle mechanism is connected with the fixed seat and extends along the horizontal rightward direction. The right free end of the elastic hook arm is provided with a hook 5 matched with the barb.
Still referring to fig. 1, after the folding wing 1 is unfolded, the barb is inserted from right to left from the position between the elastic hook arm and the folding wing mounting seat 7 and is latched with the hook 5, thereby locking the folding wing 1.
In some alternative embodiments, the apparatus comprises: a folding wing shaft 2 and a torsion spring 3. The folding wing mounting seat 7 has two limiting pieces parallel to the through groove in the center of circle in the front side, and is used for limiting the folding wing 1 between the two limiting pieces, and the two limiting pieces are respectively provided with a through hole, and the two through holes are opposite. The end part of the folding wing 1 connected with the folding wing mounting seat 7 is provided with a connecting hole which is opposite to the two through holes. The torsion spring 3 is a parallel double-twist structure, two torsion springs of the torsion spring 3 are respectively arranged outside the two limiting pieces, the axes of the two torsion springs are just opposite to the two through holes and the connecting holes, and the U-shaped connecting rod of the torsion spring 3 is clamped at the root of the folding wing 1. The folding wing shaft 2 penetrates through the through holes of the two torsion springs and the two limiting pieces and the connecting hole to limit and fix the torsion spring 3 and the folding wing 1. The folding wing 1 rotates around the folding wing shaft 2 to unfold.
Referring to fig. 2, the front circle center of the folding wing mounting seat 7 is provided with two parallel limiting pieces, the upper and lower widths of the two parallel limiting pieces can be slightly smaller than the upper and lower widths of the through groove, and the folding wing 1 is inserted between the two limiting pieces and can be limited in the through groove. The two limiting pieces are respectively provided with a through hole, and the two through holes are opposite. The end part of the folding wing 1 connected with the folding wing mounting seat 7 is provided with a connecting hole, and when the folding wing 1 is inserted between the two limiting pieces, the two through holes are opposite to the connecting hole. The torsion spring 3 is of a parallel double-torsion structure, that is, the torsion spring 3 has two torsion springs and a U-shaped connecting rod connecting the two torsion springs. The two torsion springs are respectively arranged outside the two limiting pieces, namely, in the view angle of fig. 2, one torsion spring is arranged above the upper limiting piece, and the other torsion spring is arranged below the lower limiting piece. U type connecting rod card is in 1 root of folding wing, and 1 root of folding wing is seted up and is used for the draw-in groove of card to establish U type connecting rod. The folding wing shaft 2 sequentially penetrates through the last torsion spring, the through hole of the upper limiting sheet, the connecting hole of the folding wing 1, the through hole of the lower limiting sheet and the next torsion spring from top to bottom, then the folding wing 1 is assembled on the folding wing mounting seat 7, and the torsion spring 3 and the folding wing 1 are limited and fixed. The folding wing 1 can be unfolded with the folding wing shaft 2 as a rotation shaft. The limit fixation of the folding wing shaft 2 can be realized by a bolt, a screw cap and the like.
In some alternative embodiments, in the above device, one end of the folding wing shaft 2 is a flange cover, the other end of the folding wing shaft 2 is provided with a pin hole, and the folding wing shaft 2 passes through two torsion springs, two limiting pieces and a connecting hole, and is fixed by inserting the torsion spring stop pin 4 into the pin hole.
In order to realize the limiting and fixing of the torsion spring 3 and the folding wing 1, one end of the folding wing shaft 2 can be set to be a flange cover, and the other end of the folding wing shaft 2 is set to be a form that the torsion spring stop pin 4 is inserted into the pin hole. After the end, provided with the pin hole, of the folding wing shaft 2 sequentially penetrates through the last torsion spring, the through hole of the upper limiting piece, the connecting hole of the folding wing 1, the through hole of the lower limiting piece and the next torsion spring from top to bottom, the torsion spring stop pin 4 is inserted into the pin hole, and therefore the torsion spring 3 and the folding wing 1 are limited and fixed.
In some alternative embodiments, in the above-described device, the torsion spring stop pin 4 is a straight-grooved spring pin.
One end of the folding wing shaft 2 is arranged to be a flange plate, the other end of the folding wing shaft is inserted into the pin hole through the straight groove elastic pin, and the torsion spring 3 is prevented from moving in the axial direction of the torsion spring, so that the stability of connection of the folding wing 1 and the folding wing mounting seat 7 is improved.
In some alternative embodiments, in the above-described device, the side of the barb facing the elastic hooking arm when the folding wing 1 is unfolded has a wedge-shaped arc.
Referring to fig. 2, when the folding wing 1 is unfolded, the barb is inserted from right to left into a position between the folding wing mounting seat 7 and the elastic hook arm. The left end bottom surface position of folding wing 1, the left downside face of barb sets up to the wedge cambered surface, and the right flank of barb sets up to vertical face. The left side surface of the hook 5 of the elastic hook arm can be arranged as a vertical surface. This arrangement is more advantageous for the barb to be inserted into the position between the folding wing mounting seat 7 and the elastic hook arm. In the unfolded state of the folding wing 1, the vertical surface of the barb is contacted with the vertical surface of the clamping hook 5, and the force of the vertical surface of the barb facing right and the force of the vertical surface of the clamping hook 5 facing left enable the barb and the clamping hook 5 to be mutually locked.
In some alternative embodiments, in the above device, the fixed seat is fixed to the back circle center of the folding wing installation seat 7 by a screw 6.
In order to improve the stability of the fixing seat, the fixing seat can be fixed on the back circle center of the folding wing mounting seat 7 through a screw 6.
The assembly process of the snap-in locking device for unfolding the folding wings 1 of the micro steering engine of the present application is specifically described below.
The folding wing 1 is vertically placed in the through groove of the folding wing mounting seat 7, the end part of the folding wing 1 used for connecting the folding wing mounting seat 7 is inserted between the two limiting pieces, and the through holes of the two limiting pieces are opposite to the connecting holes of the folding wing 1.
The U-shaped connecting rod of the torsion spring 3 is clamped at the root of the folding wing 1, and the two torsion springs of the torsion spring 3 are aligned to the through holes of the two limiting pieces.
The folding wing shaft 2 penetrates two torsion springs, through holes of two limiting pieces and connecting holes of the folding wing mounting seat 7 from one end provided with a pin hole, and then is inserted into the pin hole by utilizing the torsion spring stop pin 4.
The direction of the buckle mechanism is adjusted and then the buckle mechanism is connected to the back circle center of the folding wing installation seat 7 through a screw 6. The direction of the buckle mechanism is the same as that of the folding wing 1.
The working principle of the snap-in locking device for unfolding the folding wing 1 of the micro steering engine is specifically described below.
After the assembly is finished, when the folding wing 1 is unfolded, the wedge-shaped cambered surface of the barb of the folding wing 1 is contacted with the elastic hook arm (hook 5). Under the action of the torsion spring 3, the barb of the folding wing 1 is continuously inserted into the area between the elastic hook arm and the folding wing mounting seat 7, and the elastic hook arm is pushed open, and at the moment, the elastic hook arm is stressed and bent. When the folding wing 1 is unfolded in place, the bent elastic hook arm rebounds to make the vertical surface of the barb of the folding wing 1 contact with the vertical surface of the hook 5. The folding wings 1 are locked in the unfolded state by the mutually locked barbs and hooks 5.
The utility model provides a buckle formula locking device that miniature steering wheel folding wing expandes guarantees to keep continuously expanding at the folding wing of guided missile flight in-process, improves the stability of guided missile flight.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present application, and they should be construed as being included in the present application.
Claims (6)
1. The utility model provides a buckle formula locking device that miniature steering wheel folding wing expanded which characterized in that, the device includes: the folding wing, the folding wing mounting seat and the buckle mechanism; wherein,
the folding wing mounting seat is of a disc-shaped flange type, a through groove is formed in the folding wing mounting seat along the radius from the outer edge to the circle center, and the folding wing is vertically inserted into the through groove and is rotationally connected with the circle center of the front face of the folding wing mounting seat;
the bottom of the folding wing is provided with a barb;
the buckle mechanism includes: a fixed seat and an elastic hook arm; the fixed seat is arranged at the center of a circle on the back face of the folding wing installation seat, the elastic hook arm extends and is connected with the fixed seat along the same direction as the folding wing, and the free end of the elastic hook arm is provided with a clamping hook matched with the barb;
after the folding wing is unfolded, the barb is locked with the clamping hook from the position between the elastic hook arm and the back surface of the folding wing installation seat, so that the folding wing is locked.
2. A snap-on locking device for unfolding a folding wing of a micro steering engine according to claim 1, further comprising: folding wing shafts and torsion springs; wherein,
the circle center of the front face of the folding wing mounting seat is provided with two limiting pieces parallel to the through groove and used for limiting the folding wing between the two limiting pieces, the two limiting pieces are respectively provided with a through hole, and the two through holes are opposite to each other;
the end part of the folding wing connected with the folding wing mounting seat is provided with a connecting hole, and the connecting hole is opposite to the two through holes;
the torsion spring is of a parallel double-torsion structure, two torsion springs of the torsion spring are respectively arranged outside the two limiting pieces, the axes of the two torsion springs are opposite to the two through holes and the connecting holes, and a U-shaped connecting rod of the torsion spring is clamped at the root part of the folding wing;
the folding wing shaft penetrates through the two torsion springs, the through holes of the two limiting pieces and the connecting hole to limit and fix the torsion springs and the folding wings;
the folding wings are unfolded in a rotating mode around the folding wing shafts.
3. The buckling type locking device for unfolding the folding wing of the miniature steering engine as claimed in claim 2, wherein one end of the folding wing shaft is a flange cover, the other end of the folding wing shaft is provided with a pin hole, the folding wing shaft penetrates through the two torsion springs, the through holes of the two limiting pieces and the connecting hole, and is inserted into the pin hole through a torsion spring stop pin for fixation.
4. The buckle-type locking device for unfolding the folding wings of the micro steering engine according to claim 3, wherein the stop pin of the torsion spring is a straight-groove elastic pin.
5. The miniature steering engine folding wing unfolding buckle type locking device according to claim 1, wherein the side of the barb facing the elastic hook arm when the folding wing is unfolded has a wedge-shaped cambered surface.
6. The buckle type locking device for unfolding the folding wings of the miniature steering engine according to claim 1, wherein the fixed seat is fixed at the center of the circle of the back surface of the folding wing mounting seat through a screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222478419.0U CN217980049U (en) | 2022-09-19 | 2022-09-19 | Buckle type locking device for unfolding folding wings of micro steering engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222478419.0U CN217980049U (en) | 2022-09-19 | 2022-09-19 | Buckle type locking device for unfolding folding wings of micro steering engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217980049U true CN217980049U (en) | 2022-12-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222478419.0U Active CN217980049U (en) | 2022-09-19 | 2022-09-19 | Buckle type locking device for unfolding folding wings of micro steering engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217980049U (en) |
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- 2022-09-19 CN CN202222478419.0U patent/CN217980049U/en active Active
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