CN115367091A - Press bullet formula hatch door locking device - Google Patents
Press bullet formula hatch door locking device Download PDFInfo
- Publication number
- CN115367091A CN115367091A CN202210960039.2A CN202210960039A CN115367091A CN 115367091 A CN115367091 A CN 115367091A CN 202210960039 A CN202210960039 A CN 202210960039A CN 115367091 A CN115367091 A CN 115367091A
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- locking
- connecting rod
- block
- rod
- mounting seat
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- 238000003825 pressing Methods 0.000 claims abstract description 52
- 238000009434 installation Methods 0.000 claims abstract description 9
- 238000012423 maintenance Methods 0.000 description 5
- 238000005034 decoration Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 210000004907 gland Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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Classifications
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Lock And Its Accessories (AREA)
Abstract
The invention provides a pressing-elastic type cabin door locking device which comprises a first mounting seat, a supporting connecting rod, a locking block, a second mounting seat and an elastic pressing block, wherein the supporting connecting rod is rotatably mounted on the first mounting seat; the lock rod is in sliding fit in the support connecting rod; the locking block is rotatably arranged at the end part of the locking rod and is provided with a first locking part; a second locking part is arranged on the second mounting seat; when the locking block rotates to the inner limit position, the first locking part is contacted with the second locking part and limits the rotation of the locking rod; when the locking block rotates to the outer limit position, the first locking part is separated from the second locking part to realize unlocking; and the second mounting seat is provided with a locking block used for compressing the locking block. The spring type cabin door locking device has the advantages of compact structure, convenience in installation and small occupied space, realizes the locking of the cabin door through the design mode of the multiple connecting rods and the springs, realizes the opening and closing of the cabin door through the spring type design, effectively improves the convenience of opening and closing the cabin door, and simultaneously improves the maintainability of equipment.
Description
Technical Field
The invention relates to a locking device, in particular to a pressing-elastic type cabin door locking device.
Background
The maintainability of airborne equipment is the important a ring of equipment in use, and traditional airborne equipment maintenance mode is generally for designing a maintenance flap, realizes locking and opening and shutting of flap through assembling or dismantling the screw around the maintenance flap, and the dismouting is very inconvenient during maintenance, maintenance.
Disclosure of Invention
【1】 Technical problem to be solved
The invention aims to solve the technical problem of providing a pressing-elastic cabin door locking device which is small in installation space, large in locking force and convenient and quick to lock.
【2】 Technical scheme for solving problems
The invention provides a push-spring type cabin door locking device, which comprises:
the first mounting seat 1 is used as a mounting carrier and is connected with the cabin body 8;
the supporting connecting rod 2 is rotatably arranged on the first mounting seat 1, and the rotating axis of the supporting connecting rod 2 is vertical to the length direction of the supporting connecting rod;
the locking rod 3 is arranged in the supporting connecting rod 2 in a sliding mode, the sliding direction of the locking rod 3 is parallel to the length direction of the supporting connecting rod 2, a first elastic part 32 is arranged in the supporting connecting rod 2, and the first elastic part 32 enables the locking rod 3 to move towards the direction of the hinge point of the supporting connecting rod 2;
the locking block 4 is rotationally arranged at the end part of the locking rod 3, the rotation axis of the locking block 4 is parallel to the rotation axis of the support connecting rod 2, and a first locking part 41 facing the locking rod 3 is arranged on the locking block 4;
the second mounting seat 7 is used for being connected with the cabin door 9, and a second locking part 71 is arranged on the second mounting seat 7;
when the locking block 4 rotates to the inner limit position, the first locking part 41 contacts with the second locking part 71 and limits the rotation of the locking rod 3; when the locking block 4 rotates to the outer limit position, the first locking part 41 is separated from the second locking part 71 to realize unlocking;
and the second mounting seat 7 is provided with an elastic pressing block 6 for pressing the locking block 4 and keeping the locking block at an inner limit position.
Further, the tip of locking piece 4 articulates there is quick-open connecting rod 5, the axis of rotation of quick-open connecting rod 5 is on a parallel with the axis of rotation of locking piece 4, the upper end of locking piece 4 extends backward and forms first spacing portion 42, the lower extreme of quick-open connecting rod 5 extends forward and forms spacing portion 51 of second, elastic pressing block 6 is used for compressing tightly quick-open connecting rod 5, works as elastic pressing block 6 pushes down when opening connecting rod 5 soon, first spacing portion with the contact of the spacing portion of second makes locking piece 4 is in the internal limit.
Furthermore, the first locking portion 41 is a limiting protrusion arranged forward, the second locking portion is a limiting groove arranged backward, and the limiting protrusion is clamped in the limiting groove during locking.
Further, be equipped with the arc concave surface of backward concavity on the first locking portion 41, the axis of arc concave surface is on a parallel with the axis of rotation of locking piece 4, be equipped with the arc convex surface of backward convexity on the second locking portion 71, the axis of arc convex surface is on a parallel with the axis of rotation of locking piece 4, during the locking the arc concave surface laminate in the arc convex surface.
Further, a bar-shaped groove is formed in the second mounting seat 7 to form a locking groove 70, the second locking portion 71 is arranged at the end of the locking groove 70, and during locking, the quick-opening connecting rod 5 is located in the locking groove 70 and the top surface of the quick-opening connecting rod 5 is flush with the top surface of the second mounting seat 7.
Further, the elastic pressing block 6 is rotatably mounted on the second mounting seat 7, the rotation axis of the elastic pressing block 6 is parallel to the rotation axis of the locking block 4, the upper end of the elastic pressing block 6 extends forwards to form a pressing part, the upper end of the elastic pressing block 6 extends backwards to form a pressing part, and the second mounting seat 7 is provided with a second elastic component which enables the pressing part to have an inward movement trend, and a limiting part which is used for limiting the rotation angle of the elastic pressing block 6.
Furthermore, the root side wall of the lock rod 3 is circumferentially and uniformly provided with protrusions 31 and forms a spring seat for contacting with the end of the first elastic component.
Further, the shaping has the open smooth chamber in one end in the support link 2, locking lever 3 sliding fit is in the smooth chamber, the terminal surface in smooth chamber forms first spacing face, the terminal surface of locking lever 3 forms the spacing face of second, during locking, first spacing face with distance more than or equal to 1mm and less than or equal to 5mm between the spacing face of second.
【3】 Advantageous effects
According to the elastic cabin door locking device, the sliding type lock rod structure design can realize the movement of the lock block, so that the contact area between the lock block and the second seat body is conveniently increased, and the connection strength is easily improved; the first elastic component is arranged, so that the locking block can be automatically pressed and attached, the locking reliability is improved, the distance compensation is realized, the gap formed during locking due to the gap generated by assembly or production errors is avoided, the locking reliability is improved, and the cabin door is prevented from shaking due to the existing gap; the rotary locking block structure reduces the installation space and has high space utilization rate; the quick-opening connecting rod is arranged, locking is realized through the lever principle, the operation is convenient and labor-saving, and the locking is reliable and stable; the spring type cabin door locking device has the advantages of compact structure, convenience in installation and small occupied space, realizes the locking of the cabin door through the design mode of the multiple connecting rods and the springs, realizes the opening and closing of the cabin door through the spring type design, effectively improves the convenience of opening and closing the cabin door, and simultaneously improves the maintainability of equipment.
Drawings
FIG. 1 is a schematic view of the installation of the latch-type hatch locking device of the present invention;
FIG. 2 is a cross-sectional view of the latch-type hatch locking device of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
fig. 4 is another plan sectional view of the latch type hatch locking device of the present invention.
Detailed Description
The following describes embodiments of the present invention in detail with reference to the accompanying drawings.
Referring to fig. 1 to 4, the present invention provides a push-type cabin door locking device, which includes a first mounting seat 1, a support link 2, a lock lever 3, a lock block 4, a second mounting seat 7, and an elastic pressing block.
The first mounting seat 1 is used as a mounting carrier and is connected with the cabin body 8, a plurality of mounting holes used for being connected with the cabin body 8 are formed in the first mounting seat 1, a mounting groove is formed in the first mounting seat, and the top surface and one end of the mounting groove extend out of the first mounting seat; the support connecting rod 2 is rotatably mounted on the first mounting seat 1, specifically, the support connecting rod 2 is rotatably mounted in the mounting groove through a pin shaft, the rotation axis of the support connecting rod 2 is perpendicular to the length direction of the support connecting rod (the support connecting rod), a sliding cavity with an open end is formed in the support connecting rod 2, the lock rod 3 is slidably mounted in the sliding cavity, the sliding direction of the lock rod 3 is parallel to the length direction of the support connecting rod 2, a first elastic component 32 is arranged in the sliding cavity of the support connecting rod 2, in the embodiment, the first elastic component is a spring and is sleeved outside the lock rod 3, the first elastic component 32 enables the lock rod 3 to move towards the direction close to the hinge point of the support connecting rod 2, bulges 31 are uniformly distributed on the circumferential direction of the side wall of the root of the lock rod 3 to form a spring seat for contacting with the end of the first elastic component, specifically, at least three bulges 31 are arranged on the side wall of the end (in the sliding cavity) of the lock rod and are fixed through a gland and a bolt, so that the assembly is facilitated, a first limiting surface is formed on the end face of the sliding cavity, and a second limiting surface is formed on the lock rod 3 for limiting the stroke of the lock rod; one end of the lock rod 3 extends to the outside of the support connecting rod, and the end part of the lock rod is rotatably provided with a lock block 4, the rotation axis of the lock block 4 is parallel to the rotation axis of the support connecting rod 2, the lock block 4 is provided with a first locking part 41 (equivalent to a lock tongue), and the first locking part 41 is arranged towards the lock rod.
The second mounting seat 7 is used for connecting with the cabin door 9, a mounting hole for connecting with the cabin door is arranged on the second mounting seat, meanwhile, a strip-shaped groove is formed in the second mounting seat 7, a locking groove 70 is formed, after mounting, the upper end of the second mounting seat 7 is basically flush with the surface of the cabin door, a second locking part 71 (corresponding to a locking hole) is arranged on the second mounting seat 7, and particularly, the second locking part 71 is arranged at the end part of the locking groove 70 and is arranged opposite to the first mounting seat; when the locking block 4 rotates to the inner limit position, namely is completely positioned in the locking groove, the first locking part 41 is contacted with the second locking part 71, at the moment, the locking rod 3 is limited to rotate, namely, the locking rod 3 (the supporting connecting rod) cannot rotate outwards to realize locking, and at the moment, the cabin door cannot move (rotate and slide); when the locking block 4 rotates to the outer limit position, the first locking part 41 is separated from the second locking part 71 to realize unlocking, and at the moment, the cabin door can move; the elastic pressing block 6 is arranged on the second mounting seat 7 and used for pressing the locking block 4 and keeping the locking block at an inner limit position, namely the locking block 4 is in a locking state due to the elastic pressing block 6, and when the elastic pressing block is loosened, the locking block can be rotated to realize unlocking.
The first locking portion 41 is a limiting protrusion arranged forward (in the direction of the first mounting seat), the second locking portion is a limiting groove arranged backward (in the direction of the second mounting seat), and during locking, the limiting protrusion is clamped in the limiting groove, namely, the first locking portion is equivalent to a lock tongue and a lock hole.
In this embodiment, an arc concave surface is arranged on the first locking portion 41, the arc concave surface is concave backward, that is, is arranged forward, an axis of the arc concave surface is parallel to the rotation axis of the locking block 4, an arc convex surface is arranged on the second locking portion 71, the arc convex surface is convex backward, that is, convex toward the direction of the second mounting seat, an axis of the arc convex surface is parallel to the rotation axis of the locking block 4, and during locking, the arc concave surface is completely attached to the arc convex surface.
In order to facilitate the operation, in this embodiment, a quick-opening connecting rod 5 is hinged to an end of the lock block 4, at this time, the elastic pressing block 6 is used for pressing the quick-opening connecting rod 5, a rotation axis of the quick-opening connecting rod 5 is parallel to a rotation axis of the lock block 4, an upper end of the lock block 4 extends backwards and forms a first limiting portion 42, a lower end of the quick-opening connecting rod 5 extends forwards and forms a second limiting portion 51, the rotation axis of the quick-opening connecting rod is located at a rear end of the rotation axis of the lock block, when the elastic pressing block 6 presses the quick-opening connecting rod 5, the first limiting portion contacts with the second limiting portion, so that the lock block 4 is limited at an inner limit, and meanwhile, under the action force of the first elastic component, the first locking portion is pulled to press the second locking portion, and the elastic pressing block limits the quick-opening connecting rod and the lock block to rotate, so as to achieve locking; when the locking is carried out, the quick-opening connecting rod 5 is positioned in the locking groove 70, and simultaneously, the quick-opening connecting rod 5 and the top surface of the locking block are flush with the top surface of the second mounting seat 7, so that the structure is compact, and the appearance is attractive and simple; in order to improve the locking force and facilitate the operation, in this embodiment, when locking, the distance between the first limiting surface and the second limiting surface is greater than or equal to 1mm and less than or equal to 5mm.
The elastic pressing block 6 is rotatably mounted on the second mounting seat 7, which can realize quick unlocking, specifically, the elastic pressing block 5 is rotatably mounted at the rear end of the locking groove, the rotation axis of the elastic pressing block 6 is parallel to the rotation axis of the locking block 4, the upper end of the elastic pressing block 6 extends forwards (in the direction of the first mounting seat) and forms a pressing part for pressing the end part of the block opening connecting rod 5, the upper end of the elastic pressing block 6 extends backwards and forms a pressing part for finger pressing unlocking, the second mounting seat 7 is provided with a second elastic component which makes the pressing part move inwards (close to the locking groove), the second elastic component is a torsion spring in the embodiment, meanwhile, a limiting part is also arranged for limiting the rotation angle of the elastic pressing block 6, so that the elastic pressing block 6 is in a horizontal state, specifically, the top surface of the elastic pressing block is flush with the top surface of the second mounting seat, when the elastic pressing block is unlocked, the pressing part is pressed downwards, the pressing part at the front end of the elastic pressing block is moved upwards (back to the locking groove), so that the end part of the quick-opening connecting rod is separated, at the moment, the quick-opening connecting rod is held and pulled outwards to drive the locking block to rotate outwards, when the locking block rotates to the external limit, the first locking part is separated from the second locking part, at the moment, the limitation on the locking rod is lost, the locking rod (the supporting connecting rod) can rotate outwards, and the cabin door can move or rotate; when locking, quick connecting rod is to locking groove direction motion, drive the locking piece inwards (be close to the locking groove) and rotate, in this embodiment, first locking portion and second locking portion are the arcwall face, have the guide effect, the locking piece can stimulate the locking lever and move backward in-process rotating downwards, make first locking portion compress tightly second locking portion, move to the lower limit position until opening the connecting rod soon, its tip is pushed down and is realized locking fixedly by elastic pressing block this moment, simultaneously, the surperficial parallel and level of opening the connecting rod soon in second mount pad surface.
According to the elastic cabin door locking device, the sliding type lock rod structure design can realize the movement of the lock block, so that the contact area between the lock block and the second seat body is conveniently increased, and the connection strength is easily improved; the first elastic component is arranged, so that the locking block can be automatically pressed and attached, the locking reliability is improved, the distance compensation is realized, the gap formed during locking due to the gap generated by assembly or production errors is avoided, the locking reliability is improved, and the cabin door is prevented from shaking due to the existing gap; the rotary locking block structure reduces the installation space and has high space utilization rate; the quick-opening connecting rod is arranged, locking is realized through a lever principle, operation is convenient and labor-saving, and locking is reliable and stable; the spring type cabin door locking device has the advantages of compact structure, convenience in installation and small occupied space, realizes the locking of the cabin door through the design mode of the multiple connecting rods and the springs, realizes the opening and closing of the cabin door through the spring type design, effectively improves the convenience of opening and closing the cabin door, and simultaneously improves the maintainability of equipment.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A push-to-latch type door locking device, comprising:
the first mounting seat is used as a mounting carrier and is connected with the cabin body;
the supporting connecting rod is rotatably arranged on the first mounting seat, and the rotating axis of the supporting connecting rod is vertical to the length direction of the supporting connecting rod;
the locking rod is arranged in the supporting connecting rod in a sliding manner, the sliding direction of the locking rod is parallel to the length direction of the supporting connecting rod, a first elastic part is arranged in the supporting connecting rod, and the first elastic part enables the locking rod to move towards the direction of the hinge point of the supporting connecting rod;
the locking block is rotationally arranged at the end part of the locking rod, the rotation axis of the locking block is parallel to the rotation axis of the support connecting rod, and a first locking part facing the locking rod is arranged on the locking block;
the second mounting seat is used for being connected with the cabin door, and a second locking part is arranged on the second mounting seat;
when the locking block rotates to the inner limit position, the first locking part is contacted with the second locking part and limits the locking rod to rotate; when the locking block rotates to the outer limit position, the first locking part is separated from the second locking part to realize unlocking;
and the second mounting seat is provided with an elastic pressing block for pressing the locking block and keeping the locking block at an inner limit position.
2. The push-type hatch locking device according to claim 1, characterized in that: the tip of locking piece articulates there is the connecting rod that opens soon, the axis of rotation of the connecting rod that opens soon is on a parallel with the axis of rotation of locking piece, the upper end of locking piece backward extends and forms first spacing portion, the lower extreme of the connecting rod that opens soon extends forward and forms the spacing portion of second, the elastic pressing piece is used for compressing tightly open the connecting rod soon, works as the elastic pressing piece is pushed down when opening the connecting rod soon, first spacing portion with the contact of the spacing portion of second makes the locking piece is in the internal limit spacing.
3. The push-type hatch locking device according to claim 1, characterized in that: the first locking portion is a limiting protrusion arranged forwards, the second locking portion is a limiting groove arranged backwards, and during locking, the limiting protrusion is clamped in the limiting groove.
4. The push-type hatch locking device according to claim 1, characterized in that: be equipped with the arc concave surface of backward concavity in the first locking portion, the axis of arc concave surface is on a parallel with the axis of rotation of locking piece, be equipped with the arc convex surface of backward convexity in the second locking portion, the axis of arc convex surface is on a parallel with the axis of rotation of locking piece, during locking the arc concave surface laminate in the arc convex surface.
5. The push-type hatch locking device according to claim 2, characterized in that: the second mounting seat is provided with a strip-shaped groove and forms a locking groove, the second locking portion is arranged at the end of the locking groove, and during locking, the quick-opening connecting rod is located in the locking groove and parallel to the top surface of the quick-opening connecting rod, and the top surface of the quick-opening connecting rod is parallel to the top surface of the second mounting seat.
6. The push-type hatch locking device according to claim 1, characterized in that: the elastic pressing block is rotatably installed on the second installation seat, the rotation axis of the elastic pressing block is parallel to the rotation axis of the locking block, the upper end of the elastic pressing block extends forwards to form a pressing portion, the upper end of the elastic pressing block extends backwards to form a pressing portion, and the second installation seat 7 is provided with a second elastic part enabling the pressing portion to move inwards and a limiting portion used for limiting the rotation angle of the elastic pressing block.
7. The push-type hatch locking device according to claim 1, characterized in that: the side wall of the root part of the lock rod is circumferentially and uniformly provided with protrusions, and a spring seat used for being in contact with the end part of the first elastic part is formed.
8. The push-type hatch locking device according to claim 1, characterized in that: the supporting connecting rod is internally provided with a sliding cavity with an open end, the lock rod is in sliding fit in the sliding cavity, the end surface of the sliding cavity forms a first limiting surface, the end surface of the lock rod forms a second limiting surface, and during locking, the distance between the first limiting surface and the second limiting surface is more than or equal to 1mm and less than or equal to 5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210960039.2A CN115367091B (en) | 2022-08-11 | 2022-08-11 | Spring-pressing type cabin door locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210960039.2A CN115367091B (en) | 2022-08-11 | 2022-08-11 | Spring-pressing type cabin door locking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115367091A true CN115367091A (en) | 2022-11-22 |
| CN115367091B CN115367091B (en) | 2024-10-01 |
Family
ID=84064884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210960039.2A Active CN115367091B (en) | 2022-08-11 | 2022-08-11 | Spring-pressing type cabin door locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115367091B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101585410A (en) * | 2009-02-11 | 2009-11-25 | 贵州航天精工制造有限公司 | Rapid demounting method for cabin door of aeroengine and a latch lock |
| CN103132826A (en) * | 2013-02-07 | 2013-06-05 | 玉环县天润航空机械制造厂 | Locking mechanism of cockpit door |
| CN106812400A (en) * | 2017-03-13 | 2017-06-09 | 江苏美龙航空部件有限公司 | A kind of aircraft door lifting device |
| CN210483267U (en) * | 2018-09-25 | 2020-05-08 | 卓尔飞机制造（武汉）有限公司 | Light-duty general aircraft cabin lock |
| KR20200109073A (en) * | 2019-03-12 | 2020-09-22 | 주식회사 세한이엔지 | Lock device for sliding fittings |
-
2022
- 2022-08-11 CN CN202210960039.2A patent/CN115367091B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101585410A (en) * | 2009-02-11 | 2009-11-25 | 贵州航天精工制造有限公司 | Rapid demounting method for cabin door of aeroengine and a latch lock |
| CN103132826A (en) * | 2013-02-07 | 2013-06-05 | 玉环县天润航空机械制造厂 | Locking mechanism of cockpit door |
| CN106812400A (en) * | 2017-03-13 | 2017-06-09 | 江苏美龙航空部件有限公司 | A kind of aircraft door lifting device |
| CN210483267U (en) * | 2018-09-25 | 2020-05-08 | 卓尔飞机制造（武汉）有限公司 | Light-duty general aircraft cabin lock |
| KR20200109073A (en) * | 2019-03-12 | 2020-09-22 | 주식회사 세한이엔지 | Lock device for sliding fittings |
Non-Patent Citations (1)
| Title |
|---|
| 刘志全, 嵇景全: "载人航天器电动兼手动舱门的研究", 中国空间科学技术, no. 04, 25 August 2005 (2005-08-25), pages 1 - 7 * |
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| Publication number | Publication date |
|---|---|
| CN115367091B (en) | 2024-10-01 |
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