CN213144141U - Helicopter cockpit door locking mechanism - Google Patents
Helicopter cockpit door locking mechanism Download PDFInfo
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- CN213144141U CN213144141U CN202021530487.1U CN202021530487U CN213144141U CN 213144141 U CN213144141 U CN 213144141U CN 202021530487 U CN202021530487 U CN 202021530487U CN 213144141 U CN213144141 U CN 213144141U
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Abstract
Helicopter cockpit door locking mechanism, including setting up the interior handle subassembly in cockpit hatch door main part, the outer handle subassembly, go up lock box subassembly and lock box subassembly down, and set up lock seat subassembly and lock seat subassembly down on cockpit door frame, be connected by pull rod subassembly between interior handle subassembly and the outer handle subassembly, be connected by link assembly between outer handle subassembly and the lock box subassembly down, be connected by wire rope subassembly between outer handle subassembly and the lock box subassembly, during the locking, the lock hook in last lock box subassembly and the lock box subassembly down blocks the lock cylinder in lock seat subassembly and the lock seat subassembly down respectively, and adopt second grade locking structure, the lock hook plate can not overturn, the chucking is reliable, be fit for helicopter high strength flight requirement. When the lock is unlocked, the opening and closing of the inner handle and the outer handle are not interfered with each other, the performance is reliable, and the service life is long.
Description
Technical Field
The utility model relates to a locking mechanism for helicopter cockpit hatch door belongs to helicopter tool to lock field.
Background
The current cabin door lock of the helicopter is mostly in an inner handle and outer handle linkage structure, and no matter the inner handle or the outer handle is used, the other handle can move along with the cabin door lock, so that the defect that the transmission is complex, the failure rate is high, and once the cabin door lock fails, the inner handle and the outer handle are required to be detached, and the maintenance is troublesome. Chinese patent No. ZL201822230120.7, entitled "a helicopter cockpit door locking mechanism", discloses an apparatus that adopts a mortise lock type locking structure, and both the inner and outer handles can be locked and unlocked, and do not interfere with each other, and provide anti-misoperation at the same time. However, in practical use, because the helicopter is driven by the propeller to fly at high altitude and high speed, the helicopter body can generate high-frequency vibration, the bolt of the bolt type locking structure is tightly inserted by the swinging of the torsion spring, and no hook or barb exists on the bolt, so that the retreating phenomenon is easily generated during high-frequency vibration, the cabin door is opened, and accidents occur.
Disclosure of Invention
The utility model aims at overcoming prior art's shortcoming, providing an inside and outside handle switching mutual noninterference, and the bolt adopts the pressure spring locking, the pothook chucking, locks more safe and reliable's helicopter cockpit door locking mechanism.
The utility model discloses helicopter cockpit door locking mechanism's technical scheme is: the method is characterized in that: comprises an inner handle component, an outer handle component, an upper lock box component and a lower lock box component which are arranged on a cabin door main body of a cockpit, and an upper lock seat component and a lower lock seat component which are arranged on a cabin door frame of the cockpit, wherein the inner handle component is connected with the outer handle component through a pull rod component, the outer handle component is connected with the lower lock box component through a connecting rod component, the outer handle component is connected with the upper lock box component through a steel wire rope component,
the inner handle assembly comprises an inner lock box, an inner wall cavity is formed in the inner lock box, an inner handle is arranged in the inner wall cavity through an inner handle shaft, the front end of the inner handle shaft is connected with an inner swing arm, the inner swing arm is connected with an inner shaft pin, the front end of the inner shaft pin is connected with a pull rod assembly, a safety pin is arranged on the lower side wall of the inner lock box, a small spring and a steel column are arranged on the safety pin, the safety pin is connected with a baffle plate, a stop block is arranged on the baffle plate and matched with the inner swing arm, a connecting seat is arranged in the middle of the inner lock box, a push rod is movably connected onto the connecting seat, a pressure spring is arranged on the push;
the outer handle assembly comprises an outer lock disc, an outer handle and a lock core assembly are arranged in the outer side wall of the outer lock disc, a swing seat and a swing shaft are arranged on the inner side wall of the outer lock disc, the outer handle is connected with the swing shaft, a reset rod and a reset spring are connected to the swing shaft, one end of the swing shaft is connected with a joint shaft, the joint shaft is connected with a joint, a clearance groove is formed in the joint, a linkage shaft is arranged in the middle of the outer lock disc and is connected with a pull rod assembly, a large swing arm is arranged on the linkage shaft, one end of the large swing arm is connected with the clearance groove through a first flat head shaft, the other end of the large swing arm is connected with a long rod through a second flat head shaft, a support and a support are arranged at the edge of one side of the outer lock disc, the support and the support are connected with a star through shaft pins, the long rod is connected with the star through a third flat head;
the upper lock box assembly and the lower lock box assembly respectively comprise a lock box, a stop shaft and a lock hook shaft are respectively arranged in the lock box, a first torsion spring and a stop block are arranged on the stop shaft, a second torsion spring and a lock hook plate are arranged on the lock hook shaft, a lock hook and a secondary poking tooth are arranged on the lock hook plate, and the stop block is meshed with the secondary poking tooth;
the upper lock seat assembly and the lower lock seat assembly respectively comprise a lock seat, a lock cylinder hole column is arranged in the lock seat, a lock cylinder is arranged in the lock cylinder hole column, one end of the lock cylinder extends out of the lock cylinder hole column, the other end of the lock cylinder is covered by a cover plate and is fixed by a locking screw, and the lock cylinder is matched with the lock hook.
The utility model discloses a helicopter cockpit door locking mechanism, during the locking, the latch hook in upper lock box subassembly and the lower lock box subassembly blocks the lock post in upper lock seat subassembly and the lower lock seat subassembly respectively, and adopts second grade locking structure, and the latch hook board can not overturn, and the chucking is reliable, is fit for the helicopter high strength flight requirement. When the door is opened by the outer handle, the lock core assembly is firstly opened by a key, then the outer handle is pulled, the outer handle drives the large swing arm through the swing shaft, the joint shaft and the joint, the large swing arm drives the long rod, the long rod drives the star-shaped piece, the star-shaped piece drives the stop shaft in the upper lock box assembly and the lower lock box assembly to rotate through the steel wire rope assembly and the connecting rod assembly respectively, the stop shaft drives the stop block, the stop block drives the lock hook plate to rotate through the second-level poking gear, so that the lock hook on the lock hook plate is separated from the lock columns of the upper lock seat assembly and the lower lock seat assembly respectively, and the lock mechanism. When the door is opened by the inner handle, the inner handle is pulled, the inner handle drives the pull rod assembly through the inner swing arm and the inner spindle pin, the pull rod assembly is connected with the linkage shaft, the large swing arm is driven through the linkage shaft, the large swing arm drives the lock hooks in the upper lock box assembly and the lower lock box assembly through the long rod and the star-shaped assembly to be separated from the lock posts in the upper lock seat assembly and the lower lock seat assembly, the locking mechanism is opened, meanwhile, the joint shaft and the swing shaft are not moved under the action of the clearance groove, and the opening and the closing of the inner handle and the outer handle are not interfered with each other. The reset spring, the first torsion spring and the second torsion spring play a reset role. During actual equipment, the bushings can be arranged outside the shafts and the pins, so that the strength of the shafts and the pins is increased, and the service life is prolonged.
The utility model discloses a helicopter cockpit door locking mechanism, pull rod assembly include the pull rod main part, the pull rod joint is respectively connected at the both ends of pull rod main part, one end that the pull rod connects sets up the joint axis of pull rod, one end spread groove that the pull rod connects in a flexible way, convenient. The connecting rod assembly comprises a Z-shaped connecting rod main body, a connecting rod joint is connected to the Z-shaped connecting rod main body, a connecting rod joint bearing is connected to the connecting rod joint, the connecting rod joint bearing is convenient to connect through the joint bearing, meanwhile, the connecting rod assembly has a self-contained fine adjustment function, and the assembling angle of the connecting rod main body can be automatically adjusted. The steel wire rope assembly comprises a steel wire rope, a sheath is arranged outside the steel wire rope, one end of the sheath is connected with a steel wire rope connector, the other end of the steel wire rope is connected with a steel wire rope swing arm through a steel wire rope flat head shaft, the sheath protects the steel wire rope, and the steel wire rope swing arm is connected with the star-shaped piece and is flexible in connection. The cockpit door frame is provided with an alarm device which is a normally open or normally closed microswitch, and the normally open or normally closed microswitch is available in the prior art and is sold in the market. The micro switch is connected with the main control console through a circuit and plays a role in warning when the cabin door is opened or closed.
Drawings
FIG. 1 is a schematic view of the assembly relationship of the locking mechanism of the cockpit door of the helicopter of the present invention;
FIG. 2 is a schematic view of the inner handle assembly of the present invention;
FIG. 3 is a schematic cross-sectional view A-A of FIG. 2;
FIG. 4 is a schematic structural view of the outer handle assembly of the present invention;
FIG. 5 is a schematic cross-sectional view B-B of FIG. 4;
FIG. 6 is a schematic structural view of an upper lock box assembly and a lower lock box assembly of the present invention;
fig. 7 is a schematic view of the engagement between the stopper and the latch plate according to the present invention;
fig. 8 is a schematic structural view of an upper lock base assembly and a lower lock base assembly of the present invention;
fig. 9 is a schematic view of a tie rod assembly of the present invention;
FIG. 10 is a schematic view of a connecting rod assembly of the present invention;
fig. 11 is a schematic view of a wire rope assembly according to the present invention.
Detailed Description
The utility model relates to a helicopter cockpit door locking mechanism, as shown in figures 1-11, comprising an inner handle component 1, an outer handle component 2, an upper lock box component 4 and a lower lock box component 5 which are arranged on a cockpit door main body 01, and an upper lock seat component 3 and a lower lock seat component 30 which are arranged on a cockpit door frame 02, wherein the inner handle component 1 is connected with the outer handle component 2 by a pull rod component 6, the outer handle component 2 is connected with the lower lock box component 5 by a connecting rod component 7, the outer handle component 2 is connected with the upper lock box component 4 by a steel wire component 8,
the inner handle assembly 1 comprises an inner lock box 11, an inner wall cavity 12 is arranged on the inner lock box, an inner handle 14 is arranged in the inner wall cavity through an inner handle shaft 13, the front end of the inner handle shaft is connected with an inner swing arm 15, the inner swing arm 15 is connected with an inner shaft pin 16, the front end of the inner shaft pin 16 is connected with a pull rod assembly 6, a safety pin 101 is arranged on the lower side wall of the inner lock box 11, a small spring 102 and a steel column 103 are arranged on the safety pin, the safety pin is connected with a baffle plate 104, a baffle block 105 is arranged on the baffle plate, the baffle block 105 is matched with the inner swing arm 15, a connecting seat 17 is arranged in the middle of the inner lock box 11, a push rod 18 is movably connected on the connecting seat, a pressure spring 19 is arranged;
the outer handle assembly 2 comprises an outer lock disc 21, an outer handle 22 and a lock cylinder assembly 23 are arranged in the outer side wall of the outer lock disc, a swing seat 25 and a swing shaft 26 are arranged on the inner side wall of the outer lock disc, the outer handle 22 is connected with the swing shaft, a reset rod 28 and a reset spring 29 are connected to the swing shaft 26, one end of the swing shaft is connected with a joint shaft 24, the joint shaft 24 is connected with a joint 201, a clearance groove 202 is formed in the joint, a linkage shaft 203 is arranged in the middle of the outer lock disc 21, the linkage shaft 203 is connected with a pull rod assembly 6, a large swing arm 204 is arranged on the linkage shaft, one end of the large swing arm 204 is connected with the clearance groove 202 through a first flat shaft 205, the other end of the large swing arm 204 is connected with a long rod 207 through a second flat shaft 206, a support 210 and a support 211 are arranged on one side edge of the outer lock disc 21, the support 210 and the support 211 are connected with a star-long rod 213 through a shaft 212, the 207 is connected with a, the star-shaped member 213 is connected with the upper lock box assembly 4 through a steel wire rope assembly 8;
the upper lock box assembly 4 and the lower lock box assembly 5 respectively comprise a lock box 41, a stop shaft 42 and a lock hook shaft 43 are respectively arranged in the lock box 41, a first torsion spring 44 and a stop block 45 are arranged on the stop shaft, a second torsion spring 51 and a lock hook plate 52 are arranged on the lock hook shaft 43, a lock hook 54 and a secondary poking tooth 55 are arranged on the lock hook plate, and the stop block 45 is meshed with the secondary poking tooth 55;
the upper lock seat assembly 3 and the lower lock seat assembly 30 respectively comprise a lock seat 31, a lock cylinder hole column 32 is arranged in the lock seat, a lock cylinder 33 is arranged in the lock cylinder hole column, one end of the lock cylinder 33 extends out of the lock cylinder hole column 32, the other end of the lock cylinder 33 is covered by a cover plate 34 and is fixed by a locking screw 35, and the lock cylinder 33 is matched with a lock hook 54.
When locking, the lock hooks 54 in the upper lock box assembly 4 and the lower lock box assembly 5 respectively clamp the lock columns 33 in the upper lock base assembly 3 and the lower lock base assembly 30, and a two-stage locking structure is adopted, so that the lock hook plate 52 cannot be reversed, the clamping is reliable, and the helicopter high-strength flight requirement is met. When the outer handle 22 is used for opening the door, the core assembly 23 is opened by a key, then the outer handle 22 is pulled, the outer handle 22 drives the large swing arm 204 through the swing shaft 26, the joint shaft 24 and the connector 201, the large swing arm 204 drives the long rod 207, the long rod 207 drives the star-shaped member 213, the star-shaped member 213 drives the stop shafts 42 in the upper lock box assembly 4 and the lower lock box assembly 5 to rotate through the steel wire rope assembly 8 and the connecting rod assembly 7 respectively, the stop shafts 42 drive the stop blocks 45, the stop blocks drive the lock hook plate 52 to rotate through the secondary poking teeth 55, so that the lock hooks 54 on the lock hook plate 52 are separated from the lock columns 33 of the upper lock seat assembly 3 and the lower lock seat assembly 30 respectively, and the locking mechanism is opened. When the inner handle 14 is used for opening a door, the inner handle 14 is pulled, the inner handle 14 drives the pull rod assembly 6 through the inner swing arm 15 and the inner shaft pin 16, the pull rod assembly 6 is connected with the linkage shaft 203, the linkage shaft 203 drives the large swing arm 204, the large swing arm 204 drives the lock hooks 54 in the upper lock box assembly 4 and the lower lock box assembly 5 to be separated from the lock posts 33 in the upper lock seat assembly 3 and the lower lock seat assembly 30 through the long rod 207 and the star-shaped piece 213, the locking mechanism is opened, meanwhile, the joint 201, the joint shaft 24 and the swing shaft 26 are not moved under the action of the clearance groove 202, and the opening and the closing of the inner handle and the opening and the closing of the outer handle are. The return spring 29, the first torsion spring 44, and the second torsion spring 51 play a return role. During actual equipment, the bushings can be arranged outside the shafts and the pins, so that the strength of the shafts and the pins is increased, and the service life is prolonged.
The pull rod assembly 6 comprises a pull rod main body 61, two ends of the pull rod main body 61 are respectively connected with a pull rod joint 62, one end of the pull rod joint 62 is provided with a pull rod joint shaft 63, and one end of the pull rod joint 62 is provided with a connecting groove 64, so that the connection is flexible and convenient. The connecting rod assembly 7 comprises a Z-shaped connecting rod main body 71, a connecting rod joint 72 is connected to the Z-shaped connecting rod main body 71, a connecting rod joint bearing 73 is connected to the connecting rod joint 72, the connecting rod joint bearing is convenient to connect through the joint bearing, and meanwhile, the connecting rod assembly has a self-contained fine adjustment function and can automatically adjust the assembly angle of the connecting rod main body. The steel wire rope assembly 8 comprises a steel wire rope 81, a sheath 82 is arranged outside the steel wire rope, one end of the sheath is connected with a steel wire rope connector 83, the other end of the steel wire rope 81 is connected with a steel wire rope swing arm 85 through a steel wire rope flat end shaft 84, the steel wire rope is protected by the sheath, and the steel wire rope swing arm is connected with a star-shaped piece 213 and is flexible in connection. The cockpit door frame is provided with an alarm device, the alarm device is a normally open or normally closed microswitch 9, and the normally open or normally closed microswitch is available in the prior art and is sold in the market. The micro switch is connected with the main control console through a circuit and plays a role in warning when the cabin door is opened or closed.
Claims (5)
1. Helicopter cockpit door locking mechanism, its characterized in that: comprises an inner handle component (1), an outer handle component (2), an upper lock box component (4) and a lower lock box component (5) which are arranged on a cabin door main body (01) of a cockpit, and an upper lock base component (3) and a lower lock base component (30) which are arranged on a door frame (02) of the cockpit, wherein the inner handle component (1) is connected with the outer handle component (2) through a pull rod component (6), the outer handle component (2) is connected with the lower lock box component (5) through a connecting rod component (7), the outer handle component (2) is connected with the upper lock box component (4) through a steel wire rope component (8),
the inner handle assembly (1) comprises an inner lock box (11), an inner wall cavity (12) is formed in the inner lock box, an inner handle (14) is arranged in the inner wall cavity through an inner handle shaft (13), the front end of the inner handle shaft is connected with an inner swing arm (15), the inner swing arm (15) is connected with an inner shaft pin (16), the front end of the inner shaft pin (16) is connected with a pull rod assembly (6), a safety pin (101) is arranged on the lower side wall of the inner lock box (11), a small spring (102) and a steel column (103) are arranged on the safety pin, the safety pin is connected with a baffle (104), a stop block (105) is arranged on the baffle, the stop block (105) is matched with the inner swing arm (15), a connecting seat (17) is arranged in the middle of the inner lock box (11), a push rod (18) is movably connected on the connecting seat, a pressure spring (19) is arranged;
the outer handle assembly (2) comprises an outer lock disc (21), an outer handle (22) and a lock cylinder assembly (23) are arranged in the outer side wall of the outer lock disc, a swing seat (25) and a swing shaft (26) are arranged on the inner side wall of the outer lock disc, the outer handle (22) is connected with the swing shaft, the swing shaft (26) is connected with a reset rod (28) and a reset spring (29), one end of the swing shaft is connected with a joint shaft (24), the joint shaft (24) is connected with a joint (201), a clearance groove (202) is formed in the joint, a linkage shaft (203) is arranged in the middle of the outer lock disc (21), the linkage shaft (203) is connected with a pull rod assembly (6), a large swing arm (204) is arranged on the linkage shaft, one end of the large swing arm (204) is connected with the clearance groove (202) through a first flat head shaft (205), the other end of the large swing arm (204) is connected with a long rod (207) through a second flat head shaft (206), a support (210) and a, the support (210) and the support (211) are connected with the star-shaped member (213) through a shaft pin (212), the long rod (207) is connected with the star-shaped member (213) through a third shaft pin (214), the star-shaped member (213) is downwards connected with the lower lock box assembly (5) through a connecting rod assembly (7), and the star-shaped member (213) is connected with the upper lock box assembly (4) through a steel wire rope assembly (8);
the upper lock box assembly (4) and the lower lock box assembly (5) respectively comprise a lock box (41), a stop shaft (42) and a lock hook shaft (43) are respectively arranged in the lock box (41), a first torsion spring (44) and a stop block (45) are arranged on the stop shaft, a second torsion spring (51) and a lock hook plate (52) are arranged on the lock hook shaft (43), a lock hook (54) and a secondary shifting tooth (55) are arranged on the lock hook plate, and the stop block (45) is meshed with the secondary shifting tooth (55);
the upper lock seat assembly (3) and the lower lock seat assembly (30) respectively comprise a lock seat (31), a lock cylinder hole column (32) is arranged in the lock seat, a lock cylinder (33) is arranged in the lock cylinder hole column, one end of the lock cylinder (33) extends out of the lock cylinder hole column (32), the other end of the lock cylinder (33) is covered by a cover plate (34) and is fixed by a locking screw (35), and the lock cylinder (33) is matched with a lock hook (54).
2. A helicopter cockpit door locking mechanism according to claim 1 wherein said tie rod assembly (6) comprises a tie rod body (61), each end of the tie rod body (61) being connected to a tie rod joint (62), one end of the tie rod joint (62) being provided with a tie rod joint axis (63), and one end of the tie rod joint (62) being connected to a connecting slot (64).
3. A helicopter cockpit door locking mechanism according to claim 1, characterized in that said connecting rod assembly (7) comprises a Z-shaped connecting rod body (71), a connecting rod joint (72) being attached to the Z-shaped connecting rod body (71), and a connecting rod knuckle bearing (73) being attached to the connecting rod joint (72).
4. A helicopter cockpit door locking mechanism according to claim 1 wherein said cable assembly (8) includes a cable (81) having a sheath (82) disposed thereon, one end of the sheath being connected to a cable connector (83), the other end of the cable (81) being connected to a cable swing arm (85) via a cable tie shaft (84).
5. A helicopter cockpit door locking mechanism according to claim 1 wherein said cockpit door frame has an alarm device, said alarm device being a normally open or normally closed microswitch (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021530487.1U CN213144141U (en) | 2020-07-29 | 2020-07-29 | Helicopter cockpit door locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021530487.1U CN213144141U (en) | 2020-07-29 | 2020-07-29 | Helicopter cockpit door locking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213144141U true CN213144141U (en) | 2021-05-07 |
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ID=75734593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021530487.1U Active CN213144141U (en) | 2020-07-29 | 2020-07-29 | Helicopter cockpit door locking mechanism |
Country Status (1)
| Country | Link |
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| CN (1) | CN213144141U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114348233A (en) * | 2021-12-17 | 2022-04-15 | 江西洪都航空工业集团有限责任公司 | Aircraft cabin locking device |
| WO2024055499A1 (en) * | 2022-09-16 | 2024-03-21 | 玉环天润航空机械制造有限公司 | Anti-false-touch safety switch, locking mechanism, and locking system |
-
2020
- 2020-07-29 CN CN202021530487.1U patent/CN213144141U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114348233A (en) * | 2021-12-17 | 2022-04-15 | 江西洪都航空工业集团有限责任公司 | Aircraft cabin locking device |
| CN114348233B (en) * | 2021-12-17 | 2023-08-11 | 江西洪都航空工业集团有限责任公司 | Aircraft cabin lock device |
| WO2024055499A1 (en) * | 2022-09-16 | 2024-03-21 | 玉环天润航空机械制造有限公司 | Anti-false-touch safety switch, locking mechanism, and locking system |
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