CN218155783U - Stop lever type locking device for unfolding folding wings of micro steering engine - Google Patents
Stop lever type locking device for unfolding folding wings of micro steering engine Download PDFInfo
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- CN218155783U CN218155783U CN202222479049.2U CN202222479049U CN218155783U CN 218155783 U CN218155783 U CN 218155783U CN 202222479049 U CN202222479049 U CN 202222479049U CN 218155783 U CN218155783 U CN 218155783U
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Abstract
The application relates to a shelves lever type locking device that miniature steering wheel folding wing expandes includes: folding wing, folding wing mount pad and shelves lever mechanism, the bottom of folding wing has the barb, shelves lever mechanism includes: the folding wing comprises a first base, a second base, a gear rod, a compression spring and a gear rod cover, wherein the first base and the second base are arranged on the back face of a folding wing mounting seat, the first base and the second base are respectively positioned on two sides of a through groove, one end of the gear rod is rotatably connected to the first base, the free end of the gear rod is overlapped on the second base, the gear rod is perpendicular to a folding wing, the gear rod cover is buckled on the first base, the compression spring is constrained between the side face of the gear rod and the gear rod cover by the gear rod cover, when the folding wing is unfolded, the barb presses the compression spring from the position between the gear rod and the back face of the folding wing mounting seat, the gear rod is rotated, and the folding wing is locked until the gear rod is clamped in a hook tip of the barb. 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 gear rod 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 storage, transportation, launching, assembly and other operations, the missile is improved in structure during design, and 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 stop lever type locking device for unfolding a folding wing of a micro steering engine, so that the folding wing can be kept in an unfolded state in the missile flying process.
The embodiment of the application adopts the following technical scheme:
the utility model provides a shelves lever type locking device that miniature steering wheel folding wing expanded, the device includes: the folding wing, the folding wing mounting seat and the stop lever mechanism; wherein the content of the first and second substances,
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 gear lever mechanism comprises: the device comprises a first base, a second base, a gear lever, a compression spring and a gear lever cover; wherein the content of the first and second substances,
the first base and the second base are both arranged on the back of the folding wing mounting seat and are respectively positioned on two sides of the through groove; one end of the blocking rod is rotatably connected to the first base, the free end of the blocking rod is lapped on the second base, and the blocking rod is perpendicular to the folding wings; the gear rod cover is buckled on the first base, and the compression spring is restrained between the side surface of the gear rod and the gear rod cover by the gear rod cover;
when the folding wing is unfolded, the barb presses the compression spring from the position between the stop lever and the back of the folding wing mounting seat, so that the stop lever rotates until the stop lever is clamped in the hook tip of the barb, and the folding wing is locked.
Optionally, the apparatus further comprises: folding wing shafts and torsion springs; wherein the content of the first and second substances,
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 through the torsion spring stop pin for fixation.
Optionally, the torsion spring stop pin is a straight groove elastic pin.
Optionally, the side of the barb facing the stop bar when the folding wing is unfolded has a wedge-shaped cambered surface
Optionally, the first base is two parallel limiting blocking pieces arranged in a direction perpendicular to the back surface of the folding wing mounting seat, through holes are formed right opposite to the two limiting blocking pieces, a first pin hole is formed in one end of the blocking rod, and the blocking rod is rotatably connected with the base through the through holes of the two limiting blocking pieces and a cylindrical pin penetrating through the first pin hole.
Optionally, the apparatus further comprises: a stop lever copper sleeve and a cotter pin; wherein the content of the first and second substances,
the stop lever copper sleeve is sleeved on the stop lever, the other end of the stop lever is provided with a second pin hole, and the cotter pin penetrates through the second pin hole to limit the stop lever copper sleeve from falling off.
Optionally, the cross section of the end of the blocking rod, where the first pin hole is formed, is square, and the cross section of the end of the blocking rod, where the second pin hole is formed, is circular.
Optionally, a first clamping groove is formed in the side face of the gear lever, a second clamping groove is formed in the cover top of the gear lever cover, and two ends of the compression spring are respectively clamped between the first clamping groove and the second clamping groove.
The technical scheme adopted by the embodiment of the application can achieve the following beneficial effects:
the application provides a shelves pole 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 folding wing expansion, 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:
fig. 1 shows a left side view of a lever type locking device for unfolding a folding wing of a micro steering engine according to an embodiment of the application;
fig. 2 is a top view of a lever type locking device for unfolding a folding wing of a micro steering engine according to an embodiment of the application;
fig. 3 shows a rear view of a lever type locking device for unfolding a folding wing of a micro steering engine according to an embodiment of the application;
fig. 4 is a perspective view of a lever type locking device for unfolding a folding wing of a micro steering engine according to an embodiment of the 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 left side view of a lever locking device for unfolding a foldable wing of a micro steering engine according to an embodiment of the present disclosure, fig. 2 shows a top view of the lever locking device for unfolding a foldable wing of a micro steering engine according to an embodiment of the present disclosure, fig. 3 shows a back view of the lever locking device for unfolding a foldable wing of a micro steering engine according to an embodiment of the present disclosure, and fig. 4 shows a perspective view of the lever locking device for unfolding a foldable wing of a micro steering engine according to an embodiment of the present disclosure. According to fig. 1-4, the lever type locking device for unfolding the folding wings of the micro steering engine in the embodiment comprises: folding wing 10, folding wing mount 1 and shelves lever mechanism.
The folding wing 10 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 mounting base 1 is a supporting structure of the folding wing 10. The stopper mechanism is a locking structure for maintaining the unfolded state of the folding wing 10 after the folding wing 10 is unfolded.
In this embodiment, the folding wing mounting seat 1 is a disc-shaped flange, the folding wing mounting seat 1 is provided with a through groove along a radius from an outer edge to a center of a circle, and the folding wing 10 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 1; the bottom of the folding wing 10 has a barb; the gear lever mechanism comprises: the device comprises a first base, a second base, a stop lever 5, a compression spring 6 and a stop lever cover 7; the first base and the second base are both arranged on the back of the folding wing mounting seat 1, the first base and the second base are respectively positioned on two sides of the through groove, one end of a blocking rod 5 is rotatably connected to the first base, the free end of the blocking rod 5 is overlapped on the second base, and the blocking rod 5 is perpendicular to the folding wing 10; the gear rod cover 7 is buckled on the first base, and the compression spring 6 is restrained between the side surface of the gear rod 5 and the gear rod cover 7 by the gear rod cover 7; when the folding wing 10 is unfolded, the barb presses the compression spring 6 from the position between the stop lever 5 and the back surface of the folding wing mounting seat 1, so that the stop lever 5 rotates until the stop lever 5 is clamped in the hook point of the barb, and the folding wing 10 is locked.
Referring to fig. 2, the folding wing mount 1 is of the disk-shaped flange type, and only one quarter of the folding wing mount 1 is shown in fig. 2 for simplicity of illustration. The folding wing mounting seat 1 is provided with a through groove along the radius from the outer edge to the center of a circle for accommodating the folding wing 10. The folding wing 10 is vertically inserted into the through groove and is rotatably connected with the folding wing mounting seat 1 at the center of the front surface of the folding wing mounting seat 1.
Referring to fig. 1, the bottom of the folding wing 10 (i.e., the left side of the folding wing 10 in fig. 1) has barbs.
Referring to fig. 3, the lever mechanism includes a first base, a second base, a lever 5, a compression spring 6, and a lever cover 7. The first base is arranged on one side of the through groove on the back surface of the folding wing mounting seat 1 (namely, the right side of the through groove in fig. 3), and the second base is arranged on the other side of the through groove on the back surface of the folding wing mounting seat 1 (namely, the left side of the through groove in fig. 3). The blocking rod 5 is erected on the back of the folding wing mounting seat 1 from left to right, the right end of the blocking rod 5 is rotatably connected with the first base, and the blocking rod 5 can rotate clockwise or anticlockwise by taking the rotary connecting end on the right side as an axis in the direction shown in fig. 3. The gear rod cover 7 is buckled on the first base, and a compression spring 6 is restrained between the gear rod cover 7 and the side surface of the gear rod 5.
Still referring to fig. 3, when the folding wing 10 is folded, the compression spring 6 supports the stopper rod cover 7 and the stopper rod 5, so that the free end of the stopper rod 5 is lapped on the second base; when the folding wing 10 is unfolded, the barb gradually enters from the position between the stop lever 5 and the back surface of the folding wing mounting seat 1, the bottom surface of the barb of the folding wing 10 presses the stop lever 5, the compression spring 6 on the side surface of the stop lever 5 is compressed, and the stop lever 5 rotates around the rotating shaft which is rotatably connected with the first base (namely, the free end of the stop lever 5 leaves the second base). When the folding wings 10 are unfolded in place, the compression spring 6 is not pressed any more, and the stop lever 5 is clamped into the hook tip of the barb after rotating in the opposite direction, so that the unfolded state of the folding wings 10 is locked.
In some alternative embodiments, the apparatus comprises: a folding wing shaft 3 and a torsion spring 2. The folding wing mounting seat 1 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 10 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 10 connected with the folding wing mounting seat 1 is provided with a connecting hole which is opposite to the two through holes. The torsion spring 2 is a parallel double-twist structure, two torsion springs of the torsion spring 2 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 2 is clamped at the root of the folding wing 10. The folding wing shaft 3 penetrates through the through holes and the connecting holes of the two torsion springs and the two limiting pieces to limit and fix the torsion spring 2 and the folding wing 10. The folding wings 10 are rotated and unfolded around the folding wing shaft 3.
Referring to fig. 2, the front center of the folding wing mounting seat 1 has two parallel limiting pieces, the left and right widths of the two parallel limiting pieces may be slightly smaller than the left and right widths of the through groove, and the folding wing 10 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 10 connected with the folding wing mounting seat 1 is provided with a connecting hole, and when the folding wing 10 is inserted between the two limiting pieces, the two through holes are opposite to the connecting hole. The torsion spring 2 is of a parallel double-torsion structure, that is, the torsion spring 2 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, one torsion spring is arranged on the left side of the left limiting piece and the other torsion spring is arranged on the right side of the right limiting piece in the view angle of fig. 2. The U type connecting rod card is in folding wing 10 roots, and folding wing 10 roots offers the draw-in groove that is used for the card to establish U type connecting rod. The folding wing shaft 3 sequentially penetrates through the left torsion spring, the through hole of the left limiting sheet, the connecting hole of the folding wing 10, the through hole of the right limiting sheet and the right torsion spring from left to right, then the folding wing 10 is assembled on the folding wing mounting seat 1, and the torsion spring 2 and the folding wing 10 are limited and fixed. The folding wings 10 can be unfolded with the folding wing shaft 3 as a rotation shaft. The limit fixing of the folding wing shaft 3 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 3 is a flange cover, the other end of the folding wing shaft 3 is provided with a pin hole, and the folding wing shaft 3 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 limit fixation of the torsion spring 2 and the folding wing 10, one end of the folding wing shaft 3 may be a flange cover, and the other end of the folding wing shaft 3 may be a form in which 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 3 sequentially passes through the left torsion spring, the through hole of the left limiting piece, the connecting hole of the folding wing 10, the through hole of the right limiting piece and the right torsion spring from left to right, the torsion spring stop pin 4 is inserted into the pin hole, so that the torsion spring 2 and the folding wing 10 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 3 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 2 is prevented from moving in the axial direction of the torsion spring, so that the stability of connection of the folding wing 10 and the folding wing mounting seat 1 is improved.
In some alternative embodiments, in the above-described device, the side of the barb facing the bar 5 when the folding wing 10 is unfolded has a wedge-shaped arc.
Referring to fig. 1, when the folding wing 10 is unfolded, the barb is inserted into a position between the folding wing mounting seat 1 and the stopper rod 5 from top to bottom. The lower tip bottom position of folding wing 10, the left downside of barb sets up to the wedge cambered surface, and the side hook point that goes up of barb sets up to the horizontal plane. By the arrangement mode, the side surface of the blocking rod 5 can be more easily abutted against the horizontal plane of the hook tip of the barb, so that the blocking rod 5 is clamped in the hook tip of the barb.
In some alternative embodiments, in the above-mentioned apparatus, the first base is two parallel limiting blocking pieces disposed in a vertical direction on the back surface of the folding wing mounting base 1, through holes are formed at positions opposite to the two limiting blocking pieces, a first pin hole is formed at one end of the blocking rod 5, and the blocking rod 5 and the base are rotatably connected through a cylindrical pin 8 passing through the through holes of the two limiting blocking pieces and the first pin hole.
Referring to fig. 3, the first base is provided with two parallel limiting blocking pieces which are arranged in front and back, and through holes are formed in front and back opposite positions of the two limiting blocking pieces. The right end of the stop lever 5 is horizontally provided with a first pin hole in the front and back. When the stop lever 5 is rotatably connected with the base, the cylindrical pin 8 sequentially penetrates through the through hole of the front limiting blocking piece, the first pin hole of the stop lever 5 and the through hole of the rear limiting blocking piece. At this time, the lever 5 can rotate clockwise or counterclockwise about the cylindrical pin 8.
In some optional embodiments, the apparatus further comprises: a stop lever copper sleeve 12 and a cotter pin 9. The gear lever copper sleeve 12 is sleeved on the gear lever 5, a second pin hole is formed in the other end of the gear lever 5, and the split pin 9 penetrates through the second pin hole to limit the gear lever copper sleeve 12 to fall off.
Because the barb of the folding wing 10 presses the stop lever 5, a stop lever copper sleeve 12 is sleeved outside the stop lever 5 in order to ensure that the movement of the stop lever type locking device is smoother. In this form, the barbs of the folding wings 10 force the lever copper 12 to rotate on the lever 5, thereby compressing the compression spring 6 and rotating the lever 5. In order to prevent the stop lever copper sleeve 12 from falling off, a second pin hole is formed at the other end of the stop lever 5, and the cotter pin 9 is arranged in the second pin hole in a penetrating manner.
In some alternative embodiments, in the above device, the cross section of the end of the stop lever 5, where the first pin hole is formed, is square, and the cross section of the end of the stop lever 5, where the second pin hole is formed, is circular.
Referring to fig. 3, the right end surface of the stopper rod 5 has a square cross section, and the left end surface of the stopper rod 5 has a circular cross section. Because the stop lever copper sleeve 12 is sleeved outside the stop lever 5 to rotate, the section of the stop lever 5 sleeved with the stop lever copper sleeve 12 is also circular. The cross-section of the lever 5 may gradually transition from square to circular, or change the cross-sectional shape at a specific location.
In some optional embodiments, in the above apparatus, a first engaging groove is formed on a side surface of the blocking lever 5, a second engaging groove is formed inside a top of the blocking lever cover 7, and two ends of the compression spring 6 are respectively engaged between the first engaging groove and the second engaging groove.
In order to clamp the compression spring 6 between the side surface of the gear lever 5 and the gear lever cover 7 more stably, a first clamping groove is formed in the side surface of the gear lever 5, a second clamping groove is formed in the top cover of the gear lever cover 7, and two ends of the compression spring 6 are clamped between the first clamping groove and the second clamping groove. The gear lever cover 7 can be buckled on the first base in the forms of sticking, screws, buckles and the like.
The assembling process of the lever-type locking device for unfolding the folding wings 10 of the micro steering engine of the present invention is specifically described below.
The folding wing 10 is vertically placed in the through groove of the folding wing mounting seat 1, the end part of the folding wing 10 used for connecting the folding wing mounting seat 1 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 10.
The U-shaped connecting rod of the torsion spring 2 is clamped at the root of the folding wing 10, and the two torsion springs of the torsion spring 2 are aligned to the through holes of the two limiting pieces.
The folding wing shaft 3 penetrates into the through holes of the two torsion springs, the two limiting pieces and the connecting hole of the folding wing mounting seat 1 from one end provided with the pin hole, and then the torsion spring stop pin 4 is inserted into the pin hole.
The stop lever copper sleeve 12 is sleeved on the stop lever 5, and the cotter pin 9 is inserted into the second pin hole at one end of the stop lever 5 with the circular section.
The other end of the stop lever 5 with the square section is placed between the two limiting blocking pieces, the first pin hole is opposite to the through holes of the two limiting blocking pieces, and the cylindrical pin 8 is inserted.
One end of a compression spring 6 is clamped into a first clamping groove on the side surface of the gear lever 5, a second clamping groove of a gear lever cover 7 is clamped with the other end of the compression spring 6, and the gear lever cover 7 is fixed on two limiting baffles through screws.
The working principle of the lever-type locking device for unfolding the folding wings 10 of the micro steering engine of the present invention is specifically described below.
When the folding wing 10 is folded, the compression spring 6 supports the stopper cover 7 and the stopper rod 5, so that the free end of the stopper rod 5 is lapped on the second base.
In the unfolding process of the folding wing 10, the barb gradually enters from the position between the stop lever 5 and the back surface of the folding wing mounting seat 1, the bottom surface of the barb of the folding wing 10 presses the stop lever 5, the compression spring 6 on the side surface of the stop lever 5 is compressed, and the stop lever 5 rotates around the cylindrical pin 8.
When the folding wings 10 are unfolded in place, the compression spring 6 is not pressed any more, and the stop lever 5 is clamped into the hook tip of the barb after rotating in the opposite direction, so that the unfolded state of the folding wings 10 is locked.
The utility model provides a shelves pole 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 substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.
Claims (9)
1. The utility model provides a shelves lever type 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 stop lever mechanism; wherein the content of the first and second substances,
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 gear lever mechanism comprises: the device comprises a first base, a second base, a stop lever, a compression spring and a stop lever cover; wherein, the first and the second end of the pipe are connected with each other,
the first base and the second base are both arranged on the back of the folding wing mounting seat, and the first base and the second base are respectively positioned on two sides of the through groove; one end of the blocking rod is rotatably connected to the first base, the free end of the blocking rod is overlapped on the second base, and the blocking rod is perpendicular to the folding wings; the gear lever cover is buckled on the first base, and the compression spring is restrained between the side surface of the gear lever and the gear lever cover by the gear lever cover;
when the folding wings are unfolded, the barb presses the compression spring from the position between the stop lever and the back surface of the folding wing mounting seat, so that the stop lever rotates until the stop lever is clamped in the hook tip of the barb, and the folding wings are locked.
2. The miniature steering engine folding wing unfolding gear lever type locking device according to claim 1, further comprising: folding wing shafts and torsion springs; wherein the content of the first and second substances,
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 gear lever type locking device for unfolding the folding wings 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 passes through the two torsion springs, the through holes of the two limiting pieces and the connecting hole, and a stop pin of the torsion spring is inserted into the pin hole for fixation.
4. The miniature steering engine folding wing unfolding gear lever type locking device according to claim 3, wherein the torsion spring stop pin is a straight groove elastic pin.
5. The miniature steering engine folding wing unfolding blocking rod type locking device as claimed in claim 1, wherein the side of the barb facing the blocking rod when the folding wing is unfolded has a wedge-shaped cambered surface.
6. The miniature steering engine folding wing unfolding gear lever type locking device as claimed in claim 1, wherein the first base is two parallel limiting blocking pieces arranged in a direction perpendicular to the back surface of the folding wing mounting seat, through holes are formed in positions opposite to the two limiting blocking pieces, a first pin hole is formed in one end of the gear lever, and the gear lever and the base are rotatably connected through cylindrical pins penetrating through the through holes of the two limiting blocking pieces and the first pin hole.
7. The miniature steering engine folding wing unfolding gear lever type locking device according to claim 6, further comprising: a stop lever copper sleeve and a cotter pin; wherein the content of the first and second substances,
the stop rod copper sleeve is sleeved on the stop rod, a second pin hole is formed in the other end of the stop rod, and the cotter pin penetrates through the second pin hole to limit the stop rod copper sleeve to fall off.
8. The miniature steering engine folding wing unfolding blocking rod type locking device as claimed in claim 7, wherein the cross section of one end of the blocking rod, where the first pin hole is formed, is square, and the cross section of one end of the blocking rod, where the second pin hole is formed, is circular.
9. The miniature steering engine folding wing unfolding gear lever type locking device as claimed in claim 1, wherein a first clamping groove is formed in the side surface of the gear lever, a second clamping groove is formed in the cover top of the gear lever cover, and two ends of the compression spring are respectively clamped between the first clamping groove and the second clamping groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222479049.2U CN218155783U (en) | 2022-09-19 | 2022-09-19 | Stop lever type locking device for unfolding folding wings of micro steering engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222479049.2U CN218155783U (en) | 2022-09-19 | 2022-09-19 | Stop lever type locking device for unfolding folding wings of micro steering engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218155783U true CN218155783U (en) | 2022-12-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222479049.2U Active CN218155783U (en) | 2022-09-19 | 2022-09-19 | Stop lever type locking device for unfolding folding wings of micro steering engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218155783U (en) |
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2022
- 2022-09-19 CN CN202222479049.2U patent/CN218155783U/en active Active
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