CN114537639A - Hatch cover capable of being rapidly disassembled and aircraft - Google Patents
Hatch cover capable of being rapidly disassembled and aircraft Download PDFInfo
- Publication number
- CN114537639A CN114537639A CN202210296893.3A CN202210296893A CN114537639A CN 114537639 A CN114537639 A CN 114537639A CN 202210296893 A CN202210296893 A CN 202210296893A CN 114537639 A CN114537639 A CN 114537639A
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- Prior art keywords
- cover plate
- wedge block
- locking
- supporting frame
- locking pin
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- 210000002105 tongue Anatomy 0.000 claims abstract description 70
- 238000009434 installation Methods 0.000 claims description 15
- 238000000926 separation method Methods 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 108010066057 cabin-1 Proteins 0.000 description 12
- 238000000034 method Methods 0.000 description 7
- 230000000903 blocking effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C1/00—Fuselages; Constructional features common to fuselages, wings, stabilising surfaces or the like
- B64C1/14—Windows; Doors; Hatch covers or access panels; Surrounding frame structures; Canopies; Windscreens accessories therefor, e.g. pressure sensors, water deflectors, hinges, seals, handles, latches, windscreen wipers
- B64C1/1407—Doors; surrounding frames
- B64C1/1446—Inspection hatches
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Connection Of Plates (AREA)
Abstract
The embodiment of the invention discloses a hatch cover capable of being quickly disassembled, which comprises: the device comprises a cover plate, a supporting frame, a fixed base, a switching wedge block and a locking bolt tongue; the top of the supporting frame is fixed on the inner wall of the cabin body, and the inner wall of the supporting frame is provided with a clamping groove for locking the pin tongue in a clamping manner; the fixed base is positioned in the supporting frame, a plurality of sliding grooves are formed in the radial direction, and the locking pin tongues can penetrate through the sliding grooves; a plurality of locking pin tongues are provided, one end of any locking pin tongue penetrates through the sliding groove, the end part of the locking pin tongue is clamped in the clamping groove, and the end surface of the other end of the locking pin tongue is matched with the bottom surface wedge surface of the adapting wedge block; the top of the adapting wedge block is connected with the cover plate through a first fastening piece, and the bottom of the adapting wedge block is connected with the inner bottom surface of the fixed base through a second elastic piece; the cover plate is fixedly connected with the top of the fixed base through a second fastener, and the edge of the cover plate is fixedly clamped with the hatch edge. The invention converts the axial pressure into the transverse force of the locking bolt tongue through the wedge surface conversion, thereby improving the assembly and disassembly efficiency.
Description
Technical Field
The invention relates to the field of aircrafts, in particular to a hatch cover capable of being quickly disassembled and an aircraft.
Background
With the continuous development of the maintainability and the supportability of the applied products, the requirement on the rapidity of the preparation of the technical state of the products is higher and higher, so that the products can be quickly opened and opened to replace and detect in the preparation or maintenance process of the products.
The existing hatch cover is fixed by adopting screws on the periphery, the structure is simpler, but the problem of disassembling more screws exists, and the screws are easy to lose in the disassembling and assembling processes; the structure of the bolt spring is adopted, the structure is convenient to disassemble, but the risk of easy loosening under the condition of alternating overload exists; have one side chucking one side to use the screw fastening, quick dismantlement and simple structure are taken into account to this kind of structure, but have the condition that the hatch board dropped the fish tail aircraft in the in-service use process, have the potential safety hazard.
Aiming at the problems that disassembly, convenient installation, fastening installation and simple structure cannot be considered in the prior art, an effective solution is not available at present.
Disclosure of Invention
In order to solve the problems, the invention provides a hatch cover and a navigation device which can be quickly disassembled, wherein the axial rotation of a first fastening piece is converted into the transverse movement of a locking pin tongue, and the locking of the hatch cover is realized by the matching of the locking pin tongue and a supporting frame, so that the problems that the disassembly, the convenient installation, the fastening installation and the simple structure cannot be considered in the prior art are solved.
In order to achieve the above object, the present invention provides a hatch cover and an aircraft capable of being disassembled quickly, comprising: the device comprises a cover plate, a supporting frame, a fixed base, a switching wedge block and a locking bolt; the top and the bottom of the supporting frame are both provided with openings, the openings correspond to the hatch positions of the cabin body, the top of the supporting frame is fixed on the inner wall of the cabin body, and the inner wall of the supporting frame is provided with a clamping groove for clamping the locking pin tongue; the fixed base is positioned in the supporting frame, a plurality of sliding grooves are formed in the radial direction of the fixed base, and the locking pin tongue can penetrate through the sliding grooves; a mounting hole is radially arranged at a position close to each sliding groove, and a first elastic piece is radially arranged in each mounting hole; the locking device comprises a sliding groove, a plurality of locking pin tongues, a first elastic piece and a second elastic piece, wherein the sliding groove is arranged on the upper surface of the sliding groove; the top of the adapting wedge block is connected with the cover plate through a first fastening piece, the bottom of the adapting wedge block is connected with the inner bottom surface of the fixed base through a second elastic piece, the bottom surface and the side surface of the adapting wedge block are transited through a plurality of wedge surfaces, the wedge surfaces are matched with the end surfaces of the locking tongues, and when the adapting wedge block is pressed, the locking tongues are clamped into the clamping grooves; the cover plate is fixedly connected with the top of the fixed base through a second fastener, an accommodating space for the adapter wedge block to pass through is formed in the bottom of the cover plate, and when the cover plate is assembled with the cabin, the edge of the cover plate is fixedly clamped with the hatch opening edge.
Further optionally, the number of the locking tongues is four, and the locking tongues are uniformly distributed by taking the vertical central line of the cover plate as a central axis.
Further optionally, the first elastic member is a spring, and when the first fastening member is fastened, the spring is in a compressed state; the second elastic piece is a spring, and when the first fastening piece is fastened, the spring is in a compressed state.
Further optionally, the cover plate is provided with a positioning hole, and the positioning hole is arranged corresponding to the positioning hole on the surface of the cabin body and used for installing a positioning pin to rivet the cover plate with the cabin body.
Further optionally, the cover plate includes an integrally formed mounting portion and a mounting portion; the section of the clamping part is circular, the edge of the clamping part is in a step shape, and when the first fastening piece is fastened, the step-shaped edge of the clamping part is clamped on the edge of the hatch; the mounting part is positioned on the bottom surface of the clamping part, and a first accommodating groove is formed in an opening in the bottom of the mounting part and used for accommodating the switching wedge block; from dress card portion to the installation department direction, the thickness of the opening lateral wall of installation department is the echelonment and reduces, the bottommost of opening lateral wall with the separation blade position of locking latch corresponds.
Further optionally, the number of the second fasteners is four, and the four second fasteners are uniformly distributed on the same circumference with the center of the end face as the center of a circle.
Further optionally, the first fastener and the second fastener are both screws.
Further optionally, a threaded hole is formed in the top of the adapter wedge block and used for being in threaded connection with the screw; the bottom opening of the switching wedge block is provided with a second accommodating groove, a second elastic piece is axially arranged in the second accommodating groove, one end of the second elastic piece is abutted against the top surface of the second accommodating groove, and the other end of the second elastic piece is abutted against the inner bottom surface of the fixed base.
Further optionally, the groove height of the sliding groove is greater than the thickness of the locking tongue.
In another aspect, the invention provides an aircraft comprising a rapidly detachable hatch cover as described above.
The technical scheme has the following beneficial effects: according to the locking mechanism, through wedge surface conversion, the axial movement of the first fastening piece is converted into the transverse movement of the locking pin tongues, and the locking of the hatch cover is realized through the matching of the locking pin tongues and the wedge surfaces of the supporting frame. In addition, the hatch cover is mounted and dismounted quickly and effectively by rotating the first fastening piece; reliable connection under the condition of alternating load can be ensured through the wedge surface matching between the plurality of locking pin tongues and the supporting frame; force is transmitted through the wedge surface, so that the balanced conversion of the force can be ensured; the design of the first elastic piece and the second elastic piece can ensure the automatic reset of the locking bolt tongue and the switching wedge block.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of an assembly of a quick release hatch cover and a cabin body according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a disassembled hatch cover provided in an embodiment of the present invention;
fig. 3 is a schematic structural diagram of another view of the assembly of the quick-release hatch cover and the cabin according to the embodiment of the present invention.
Reference numerals: 1-cabin body 2-supporting frame 3-cover plate 4-fixed base 5-adapting wedge block 6-locking pin tongue 7-first fastening piece 8-second elastic piece 9-first elastic piece 10-second fastening piece 11-positioning pin
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, 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 invention.
The hatch cover in the prior art has the problems of complex disassembly and installation steps, untight and solid installation and easy falling.
In order to solve the problems in the prior art, an embodiment of the present invention provides a quickly detachable hatch cover and an aircraft, fig. 1 is a schematic structural diagram of an assembly of a quickly detachable hatch cover and a cabin 1, as shown in fig. 1, including: the device comprises a cover plate 3, a support frame 2, a fixed base 4, a switching wedge block 5 and a locking bolt tongue 6; the top and the bottom of the supporting frame 2 are both provided with openings, the openings correspond to the hatch positions of the cabin body 1, the top of the supporting frame 2 is fixed on the inner wall of the cabin body 1, and the inner wall of the supporting frame 2 is provided with a clamping groove for installing and clamping the locking pin tongue 6; the fixed base 4 is positioned in the supporting frame 2, a plurality of sliding grooves are formed in the radial direction, and a locking pin tongue 6 can penetrate through the sliding grooves; a mounting hole is radially arranged at a position close to each sliding groove, and a first elastic piece 9 is radially arranged in each mounting hole; a plurality of locking pin tongues 6 are arranged, one end of any locking pin tongue 6 penetrates through the sliding groove, the end part of the locking pin tongue is clamped in the clamping groove, the end surface of the other end of the locking pin tongue 6 is matched with the bottom surface wedge surface of the adapting wedge block 5, the top of the locking pin tongue is provided with a blocking piece, and the blocking piece corresponds to the first elastic piece 9; the top of the adapting wedge block 5 is connected with the cover plate 3 through a first fastening piece 7, the bottom of the adapting wedge block is connected with the inner bottom surface of the fixed base 4 through a second elastic piece 8, the bottom surface and the side surface of the adapting wedge block 5 are transited through a plurality of wedge surfaces, the wedge surfaces are matched with the end surfaces of the locking tongues 6, and the locking tongues 6 are clamped into the clamping grooves when the adapting wedge block 5 is stressed; the cover plate 3 is fixedly connected with the top of the fixed base 4 through the second fastening piece 10, the bottom of the cover plate 3 is provided with an accommodating space for accommodating the adapter wedge 5 to pass through, and when the cover plate 3 is assembled with the cabin body 1, the edge of the cover plate 3 is fixedly clamped with the hatch edge.
In the aircraft in the prior art, the hatches are arranged on the wall of the cabin body 1, and various devices are arranged in the cabin body 1, so that the hatch covers are required to be tightly connected with the cabin body 1 when the aircraft runs or is transported, and can be quickly detached when the internal devices are required to be checked. As shown in fig. 1, the hatch cover can be used at the hatch of an aircraft, ensuring that the hatch cover fits tightly over the cabin 1 at the edge of the hatch when the first fastening members 7 are fastened; when the first fastening piece 7 is loosened, the hatch cover is automatically ejected and can be quickly taken out of the hatch.
In the present embodiment, the hatch cover achieves the above-mentioned functions through the cooperation of the cover plate 3, the support frame 2, the fixed base 4, the adapting wedge 5, the locking bolt 6, and each elastic member and fastener.
Wherein, braced frame 2 is a mouthful frame, and it is equal opening from top to bottom, and the middle part is vertical to be link up, and braced frame 2's top is fixed on the cabin body 1 of hatch inboard, and the draw-in groove of radial setting is seted up to the position that is close to the bottom.
As an alternative embodiment, the cross-section of the support frame 2 is circular.
As an alternative embodiment, the top of the support frame 2 is welded to the cabin 1 inside the opening. It should be understood that the welding method is only an alternative method of fixing connection, and can also be fixed by riveting or hinging, and all the methods of fixing the supporting frame 2 and the cabin 1 inside the opening are within the protection scope of the present invention.
The fixing base 4 is arranged in the supporting frame 2, and the fixing base 4 is not limited to the supporting frame 2, so that the fixing base 4 can be integrally taken out of the supporting frame 2 after the locking bolt 6 is relieved from limitation. The fixed pedestal 4 comprises an integrally formed base and a frame body connected with the top surface of the base, the frame body is close to the bottom position, a plurality of through holes, namely sliding grooves, are formed in the frame body in the radial direction, the locking pin tongues 6 can move radially, and the sliding grooves correspond to the clamping grooves. The top position of sliding tray sets up the mounting hole of radial setting, and the inside first elastic component 9 that has radially set up that holds of mounting hole. The top of the frame body is connected with the cover plate 3 through a plurality of second fasteners 10; when the hatch cover is fastened, the bottom surface of the base is flush with the bottom surface of the supporting frame 2 or slightly higher than the bottom surface of the supporting frame 2, so as to avoid touching the internal equipment of the cabin 1.
The cover plate 3 is provided with the top of a fixed base 4, the edge of the fixed base is clamped with the edge of a hatch, and the middle part of the fixed base is connected with a switching wedge block 5 through a first fastener 7.
Switching voussoir 5 is located the support body inside of fixed baseplate 4, and can reciprocate in the support body inside of fixed baseplate 4, and the bottom of switching voussoir 5 is connected through second elastic component 8 with the base of fixed baseplate 4, and when the fastening force of the first fastener 7 that the voussoir received reduced, second elastic component 8 promoted switching voussoir 5 and moves up, reduces the transverse thrust to locking round pin tongue 6. The side surface and the bottom surface of the adapting wedge block 5 are transited through a wedge surface, the wedge surface is matched with a wedge surface at one end of the locking pin tongue 6, when the adapting wedge block 5 is fastened by a first fastening piece 7, the adapting wedge block 5 gives a transverse thrust to the locking pin tongue 6, and the other end of the locking pin tongue 6 penetrates through the sliding groove and is clamped into the clamping groove of the supporting frame 2.
As an alternative embodiment, the locking bolt 6 and the locking groove are also locked by a wedge surface fit.
The top of each locking tongue 6 is provided with a catch corresponding to the position of the first elastic element 9, and when the adapting wedge 5 is fastened by the first fastening element 7, the locking tongue 6 is compressed into the mounting hole by the transverse force to the first elastic element 9. When the fastening force of the first fastening member 7 received by the adapting wedge 5 is reduced, the locking latch 6 is disengaged from the slot by the elastic force of the first elastic member 9, so that the fixing bracket, the locking latch 6, the cover plate 3 and the like can be completely taken out of the supporting frame 2.
Fig. 2 is a schematic structural diagram of a disassembled hatch cover provided in an embodiment of the present invention, referring to fig. 1 and 2, the installation process of the hatch cover is as follows: the hatch cover (the structure shown in fig. 2) except the supporting frame 2 is installed on the cabin body 1, the first fastening piece 7 is fastened to enable the adapting wedge block 5 to move downwards, and the adapting wedge block 5 pushes the locking pin tongue 6 to move transversely outwards to be installed with the clamping groove of the supporting frame 2.
The disassembly process of the hatch cover is as follows: when the first fastening piece 7 is loosened, the switching wedge block 5 moves upwards under the thrust of the second elastic piece 8, the transverse thrust to the locking pin tongue 6 is reduced, the first elastic piece 9 pushes the blocking piece of the locking pin tongue 6, the locking pin tongue 6 is stressed to move transversely inwards, the end part of the locking pin tongue 6 is separated from the clamping groove of the supporting frame 2, the limiting is released, and the hatch cover (the structure shown in figure 2) except the supporting frame 2 is detached from the hatch.
As an alternative embodiment, the number of the locking tongues 6 is four, and the locking tongues are uniformly distributed by taking the vertical central line of the cover plate 3 as a central axis.
With the vertical center line of the cover plate 3 as an axis, four locking tongues 6 are evenly distributed inside the support frame 2, i.e., one locking tongue 6 is arranged at each 90-degree central angle. The bottom of the switching wedge block 5 is also provided with four wedge surfaces corresponding to the four locking pin tongues 6, the supporting frame 2 is provided with four clamping grooves corresponding to the four clamping grooves, and the fixed base 4 is provided with four sliding groove mounting holes corresponding to the four sliding groove mounting holes. When the hatch cover is installed, the four locking pin tongues 6 are simultaneously acted by the switching wedge blocks 5 and simultaneously move in the corresponding sliding grooves, and finally the end parts of the locking pin tongues 6 are clamped in the corresponding clamping grooves, so that the installation stability is improved; when the hatch cover is disassembled, the four locking pin tongues 6 are simultaneously pushed by the corresponding first elastic pieces 9 to move inwards, so that the end parts are separated from the corresponding clamping grooves, and the limiting is removed.
As an alternative embodiment, as shown in fig. 1, the first elastic member 9 is a spring, and when the first fastening member 7 is fastened, the spring is in a compressed state; the second elastic member 8 is a spring which is in a compressed state when the first fastening member 7 is fastened.
As shown in fig. 1, the first elastic member 9 and the second elastic member 8 are both springs, and when the hatch cover is installed in place, the springs are in a compressed state to store elastic potential energy; when the hatch cover is disassembled, the spring releases elastic potential energy.
As an optional implementation manner, fig. 3 is a schematic structural diagram of another view angle at which the quickly detachable hatch cover and the cabin 1 are assembled according to an embodiment of the present invention, and as shown in fig. 3, the cover plate 3 is provided with positioning holes, which are disposed corresponding to the positioning holes on the surface of the cabin 1 and used for installing the positioning pins 11 to rivet the cover plate 3 and the cabin 1.
As shown in fig. 3, the top edge of the cover plate 3 is further provided with a positioning hole, the size and shape of the positioning hole correspond to the position of the positioning hole on the surface of the cabin 1, when the positioning hole of the cover plate 3 corresponds to the position of the positioning hole on the surface of the cabin 1, it is indicated that the cover plate 3 is installed in place, the cover plate 3 and the cabin 1 are riveted and fixed by the positioning pin 11, and when the cover plate is disassembled, the positioning pin 11 can be disassembled.
As an alternative embodiment, the cover plate 3 includes a clamping portion and a mounting portion which are integrally formed; the section of the clamping part is circular, the edge of the clamping part is in a step shape, and when the first fastening piece 7 is fastened, the step-shaped edge of the clamping part is clamped at the edge of the hatch; the mounting part is positioned on the bottom surface of the clamping part, and a first accommodating groove is formed in an opening at the bottom of the mounting part and used for accommodating the switching wedge block 5; the thickness of the side wall of the opening of the mounting part is reduced in a step shape from the clamping part to the mounting part, and the bottommost part of the side wall of the opening corresponds to the position of the blocking piece of the locking bolt 6.
As shown in fig. 1, the cover plate 3 includes an integrally formed fastening portion for fastening to the cabin 1 near the hatch, and an attaching portion for defining a moving direction of the adaptor wedge 5.
The edge of dress card portion is the echelonment, and the stair setting of its ladder is with the stair structure looks adaptation of hatch, and when first fastener 7 fastening, the edge of dress card portion and hatch closely adorns the card, guarantees the airtight environment of the internal portion of cabin, and the ladder length of top is greater than below ladder length simultaneously, and apron 3 is difficult for the whereabouts when adorning the card with the cabin body 1.
Installation department bottom opening, inside is equipped with the first storage tank that holds switching voussoir 5 and reciprocate, and the width of accommodation space in the first storage tank slightly is greater than switching voussoir 5's width, avoids switching voussoir 5 the condition that the slant removed to appear, when guaranteeing that switching voussoir 5 can only reciprocate, is unlikely to make switching voussoir 5 and the opening inner wall of installation department produce the friction, influences holistic performance.
The thickness of the opening wall of the installation part is gradually reduced from the top to the bottom, the inner wall is in a straight cylinder shape, and the outer wall is reduced in a step shape. The height of the step at the lowest position corresponds to the height of the blocking piece of the locking pin tongue 6, so that the blocking piece can not collide with the outside of the mounting part when moving inwards.
In an alternative embodiment, the number of the second fastening members 10 is four, and the four second fastening members are uniformly distributed on the same circumference with the center of the end face as the center.
As shown in fig. 3, there are four second fastening members 10 for connecting the fixed base 4 and the cover plate 3, and the four second fastening members 10 are uniformly distributed on the end cover, and the centers of the four second fastening members 10 are on the same virtual circumference, which is centered on the center of the cover plate 3. The second fasteners 10 are respectively fixed at four positions to ensure the connection stability of the fixed base 4 and the cover plate 3, and the cover plate 3 is prevented from being separated during disassembly.
As an alternative embodiment, as shown in fig. 1, the first fastening member 7 and the second fastening member 10 are both screws.
As an alternative embodiment, the second fastener 10 is a countersunk screw.
As an alternative embodiment, as shown in fig. 1, a threaded hole is opened at the top of the adapting wedge 5 for being in threaded connection with a screw; the bottom opening of the adapting wedge block 5 is provided with a second accommodating groove, a second elastic piece 8 is axially arranged in the second accommodating groove, one end of the second elastic piece 8 is abutted with the top surface of the second accommodating groove, and the other end is abutted with the inner bottom surface of the fixed base 4.
Threaded holes are formed in the top of the adapting wedge blocks 5 and correspond to threaded holes in the middle of the cover plate 3, and the first fastening pieces 7 are connected with the threaded holes in the cover plate 3 and the threaded holes in the top of the adapting wedge blocks 5 so as to connect the cover plate 3 with the adapting wedge blocks 5.
The bottom opening of the adapting wedge block 5 forms a second containing groove, the second containing groove is formed in the axial direction of the adapting wedge block 5, the second elastic piece 8 is axially placed in the second containing groove, and two ends of the second elastic piece are respectively connected with the adapting wedge block 5 and the fixed base 4.
As an alternative embodiment, the groove height of the sliding groove is greater than the thickness of the locking tongue 6.
As shown in fig. 1, the height of the sliding groove is greater than the thickness of the locking tongue 6, so that the locking tongue 6 can freely slide radially in the sliding groove without restriction.
In another aspect, the invention provides an aircraft comprising a rapidly detachable hatch cover as described above.
Install the navigation ware of above-mentioned hatch board, the hatch board can not drop in order to cause the damage of the 1 interior equipment in the cabin body when navigating, and when needing to detect 1 interior equipment in the cabin body, the quick convenient dismantlement of hatch board improves work efficiency.
The technical scheme has the following beneficial effects: according to the locking mechanism, through wedge surface conversion, the axial movement of the first fastening piece is converted into the transverse movement of the locking pin tongues, and the locking of the hatch cover is realized through the matching of the locking pin tongues and the wedge surfaces of the supporting frame. In addition, the hatch cover is mounted and dismounted quickly and effectively by rotating the first fastening piece; reliable connection under the condition of alternating load can be ensured through the wedge surface matching between the plurality of locking pin tongues and the supporting frame; force is transmitted through the wedge surface, so that the balanced conversion of the force can be ensured; the design of the first elastic piece and the second elastic piece can ensure the automatic reset of the locking bolt tongue and the switching wedge block.
The above embodiments of the present invention have been described in detail to illustrate the objects, technical solutions and advantages of the invention, and it should be understood that the above embodiments are only illustrative of the present invention and are not intended to limit the scope of the invention, and any modification, equivalent replacement, or improvement made within the spirit and principle of the invention should be included in the scope of the invention.
Claims (10)
1. A quickly detachable hatch cover, characterized in that it comprises:
the device comprises a cover plate, a supporting frame, a fixed base, a switching wedge block and a locking bolt tongue;
the top and the bottom of the supporting frame are both provided with openings, the openings correspond to the hatch positions of the cabin body, the top of the supporting frame is fixed on the inner wall of the cabin body, and the inner wall of the supporting frame is provided with a clamping groove for clamping the locking pin tongue;
the fixed base is positioned in the supporting frame, a plurality of sliding grooves are formed in the radial direction of the fixed base, and the locking pin tongue can penetrate through the sliding grooves; a mounting hole is radially arranged at a position close to each sliding groove, and a first elastic piece is radially arranged in each mounting hole;
the locking device comprises a sliding groove, a plurality of locking pin tongues, a first elastic piece and a second elastic piece, wherein the sliding groove is arranged on the upper surface of the sliding groove;
the top of the adapting wedge block is connected with the cover plate through a first fastening piece, the bottom of the adapting wedge block is connected with the inner bottom surface of the fixed base through a second elastic piece, the bottom surface and the side surface of the adapting wedge block are transited through a plurality of wedge surfaces, the wedge surfaces are matched with the end surfaces of the locking tongues, and when the adapting wedge block is pressed, the locking tongues are clamped into the clamping grooves;
the cover plate is fixedly connected with the top of the fixed base through a second fastener, an accommodating space for the adapter wedge block to pass through is formed in the bottom of the cover plate, and when the cover plate is assembled with the cabin, the edge of the cover plate is fixedly clamped with the hatch opening edge.
2. The rapidly detachable hatch cover according to claim 1, characterized in that:
the number of the locking pin tongues is four, and the locking pin tongues are uniformly distributed by taking the vertical central line of the cover plate as a central axis.
3. The rapidly detachable hatch cover according to claim 1, characterized in that:
the first elastic piece is a spring, and when the first fastening piece is fastened, the spring is in a compressed state;
the second elastic piece is a spring, and when the first fastening piece is fastened, the spring is in a compressed state.
4. The rapidly detachable hatch cover according to claim 1, characterized in that:
the cover plate is provided with a positioning hole, the positioning hole is arranged corresponding to the positioning hole on the surface of the cabin body and used for installing a positioning pin to rivet the cover plate with the cabin body.
5. The rapidly detachable hatch cover according to claim 1, characterized in that:
the cover plate comprises a clamping part and an installation part which are integrally formed;
the section of the clamping part is circular, the edge of the clamping part is in a step shape, and when the first fastening piece is fastened, the step-shaped edge of the clamping part is clamped on the edge of the hatch;
the mounting part is positioned on the bottom surface of the clamping part, and a first accommodating groove is formed in an opening in the bottom of the mounting part and used for accommodating the switching wedge block;
from dress card portion to the installation department direction, the thickness of the opening lateral wall of installation department is the echelonment and reduces, the bottommost of opening lateral wall with the separation blade position of locking latch corresponds.
6. The rapidly detachable hatch cover according to claim 1, characterized in that:
the number of the second fastening pieces is four, and the four second fastening pieces are uniformly distributed on the same circumference which takes the center of the end face as the circle center.
7. The rapidly detachable hatch cover according to claim 1, characterized in that:
the first fastener and the second fastener are both screws.
8. The rapidly detachable hatch cover according to claim 1, characterized in that:
the top of the adapter wedge block is provided with a threaded hole for being in threaded connection with the screw;
the bottom opening of the switching wedge block is provided with a second accommodating groove, a second elastic piece is axially arranged in the second accommodating groove, one end of the second elastic piece is abutted against the top surface of the second accommodating groove, and the other end of the second elastic piece is abutted against the inner bottom surface of the fixed base.
9. The rapidly detachable hatch cover according to claim 1, characterized in that:
the groove height of the sliding groove is larger than the thickness of the locking latch tongue.
10. An aircraft comprising a rapidly detachable hatch according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210296893.3A CN114537639A (en) | 2022-03-24 | 2022-03-24 | Hatch cover capable of being rapidly disassembled and aircraft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210296893.3A CN114537639A (en) | 2022-03-24 | 2022-03-24 | Hatch cover capable of being rapidly disassembled and aircraft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114537639A true CN114537639A (en) | 2022-05-27 |
Family
ID=81664886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210296893.3A Pending CN114537639A (en) | 2022-03-24 | 2022-03-24 | Hatch cover capable of being rapidly disassembled and aircraft |
Country Status (1)
| Country | Link |
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| CN (1) | CN114537639A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100064741A1 (en) * | 2006-11-28 | 2010-03-18 | Eurocopter Deutschland Gmbh | Locking device for sliding doors of aircraft, especially of helicopters |
| CN108756517A (en) * | 2018-04-16 | 2018-11-06 | 西安飞机工业（集团）有限责任公司 | A kind of quick-detachable lock of airplane hatch cover |
| CN111114452A (en) * | 2019-12-26 | 2020-05-08 | 北京航天控制仪器研究所 | Quick locking and positioning device based on ground rail connecting piece |
| CN111779915A (en) * | 2020-07-16 | 2020-10-16 | 石研研 | Basement electrical equipment pipeline hanger system |
| CN212300132U (en) * | 2020-10-15 | 2021-01-05 | 中国长征火箭有限公司 | Operation flap subassembly and aircraft |
| RU2764320C1 (en) * | 2021-08-06 | 2022-01-17 | Акционерное Общество "Государственное Машиностроительное Конструкторское Бюро "Радуга" Имени А.Я. Березняка" | Method for securing the lid on the coaming of a hatch |
| CN217022863U (en) * | 2022-03-24 | 2022-07-22 | 山西汾西重工有限责任公司 | Hatch cover capable of being rapidly disassembled and aircraft |
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2022
- 2022-03-24 CN CN202210296893.3A patent/CN114537639A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100064741A1 (en) * | 2006-11-28 | 2010-03-18 | Eurocopter Deutschland Gmbh | Locking device for sliding doors of aircraft, especially of helicopters |
| CN108756517A (en) * | 2018-04-16 | 2018-11-06 | 西安飞机工业（集团）有限责任公司 | A kind of quick-detachable lock of airplane hatch cover |
| CN111114452A (en) * | 2019-12-26 | 2020-05-08 | 北京航天控制仪器研究所 | Quick locking and positioning device based on ground rail connecting piece |
| CN111779915A (en) * | 2020-07-16 | 2020-10-16 | 石研研 | Basement electrical equipment pipeline hanger system |
| CN212300132U (en) * | 2020-10-15 | 2021-01-05 | 中国长征火箭有限公司 | Operation flap subassembly and aircraft |
| RU2764320C1 (en) * | 2021-08-06 | 2022-01-17 | Акционерное Общество "Государственное Машиностроительное Конструкторское Бюро "Радуга" Имени А.Я. Березняка" | Method for securing the lid on the coaming of a hatch |
| CN217022863U (en) * | 2022-03-24 | 2022-07-22 | 山西汾西重工有限责任公司 | Hatch cover capable of being rapidly disassembled and aircraft |
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