CN115489738A - Linkage unlocking mechanism - Google Patents
Linkage unlocking mechanism Download PDFInfo
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- CN115489738A CN115489738A CN202210977166.3A CN202210977166A CN115489738A CN 115489738 A CN115489738 A CN 115489738A CN 202210977166 A CN202210977166 A CN 202210977166A CN 115489738 A CN115489738 A CN 115489738A
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- connecting rod
- wire rope
- steel wire
- seat
- assembly
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 123
- 239000010959 steel Substances 0.000 claims abstract description 123
- 238000006243 chemical reaction Methods 0.000 claims description 59
- 230000005540 biological transmission Effects 0.000 claims description 39
- 238000003825 pressing Methods 0.000 claims description 10
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 230000000452 restraining effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D11/00—Passenger or crew accommodation; Flight-deck installations not otherwise provided for
- B64D11/06—Arrangements of seats, or adaptations or details specially adapted for aircraft seats
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D11/00—Passenger or crew accommodation; Flight-deck installations not otherwise provided for
- B64D11/06—Arrangements of seats, or adaptations or details specially adapted for aircraft seats
- B64D11/062—Belts or other passenger restraint means for passenger seats
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D11/00—Passenger or crew accommodation; Flight-deck installations not otherwise provided for
- B64D11/06—Arrangements of seats, or adaptations or details specially adapted for aircraft seats
- B64D11/0627—Seats combined with storage means
- B64D11/0629—Seats combined with storage means the storage means being specially adapted for emergency equipment
- B64D11/0633—Seats combined with storage means the storage means being specially adapted for emergency equipment for devices other than life vests and intended for external use, e.g. parachutes or life rafts
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Emergency Lowering Means (AREA)
Abstract
The application relates to a linkage unlocking mechanism, which comprises an adjusting handle assembly arranged on the side surface of a seat chassis, a one-key unlocking steel wire rope assembly with one end connected with the adjusting handle assembly, and a branching assembly connected with the other end of the one-key unlocking steel wire rope assembly; the other end of the branching component is respectively connected with a left waistband steel wire rope component, a right waistband steel wire rope component and a shoulder belt steel wire rope component; the other ends of the left side waistband steel wire rope component and the right side waistband steel wire rope component are respectively connected with a left connecting point and a right connecting point of the two-point type safety belt; the other end of the shoulder belt steel wire rope component is connected with a connecting rod mechanism, the connecting rod mechanism is arranged on the seat framework, a shoulder belt locking plate is arranged on the seat framework in a sliding mode, and the connecting rod mechanism is connected with two locking pins of the lifesaving umbrella and the shoulder belt locking plate respectively. This application controls five unblock points of two point type safety belt, lifesaving umbrella and baldric respectively through an adjusting handle, has shortened passenger's unblock time, has realized the effect that the passenger withdrawed fast.
Description
Technical Field
The present application relates to the field of aircraft seat design, manufacture and assembly, and more particularly to a linkage release mechanism.
Background
Airline seats play an important role in occupant protection, and some special-purpose seats also provide life-saving facilities for the occupants, such as mission system seats (pilot seats, operator seats, etc. are configured with life-saving umbrellas installed).
Because passengers need to evacuate quickly when escaping, the lifesaving parachute and the restraint system need to be unlocked simultaneously, most of seats of the type need two unlocking steps, the restraint system (the restraint system comprises a two-point type safety belt and a shoulder belt) is unlocked firstly, and then the lifesaving parachute locking mechanism is unlocked, so that the plane can be evacuated.
The unlocking of the lifesaving parachute adopts a steel wire rope to control unlocking, and because the lifesaving parachute locking mechanism is arranged at the front upper part of the chair back, the unlocking control handle is generally arranged on the side surface of the seat tray, so that the steel wire rope extends out of the handle, penetrates through the space of the chair back, and can be connected to the lifesaving parachute locking mechanism after turning for many times, the exposed length of the steel wire rope is long, and the mode easily causes that the unlocking stroke of the lifesaving parachute locking pin is insufficient, and the locking function is unreliable.
Disclosure of Invention
In order to improve life-saving umbrella locking function's reliability to untie the constraint of seat to the passenger through one-step operation, realize that the passenger withdraws fast, this application provides a linkage release mechanism.
The application provides a linkage release mechanism adopts following technical scheme:
a linkage unlocking mechanism comprises an adjusting handle assembly arranged on the side surface of a seat chassis, a one-key unlocking steel wire rope assembly with one end connected with the adjusting handle assembly, and a wire distributing assembly connected with the other end of the one-key unlocking steel wire rope assembly;
the other end of the branching component is respectively connected with a left waistband steel wire rope component, a right waistband steel wire rope component and a shoulder belt steel wire rope component;
the other ends of the left side waistband steel wire rope component and the right side waistband steel wire rope component are respectively connected with a left connecting point and a right connecting point of the two-point type safety belt;
the other end of the shoulder belt steel wire rope assembly is connected with a connecting rod mechanism, the connecting rod mechanism is arranged on a seat framework, a shoulder belt locking plate is arranged on the seat framework in a sliding mode, and the connecting rod mechanism is connected with two locking pins of the lifesaving umbrella and the shoulder belt locking plate respectively.
By adopting the technical scheme, when a passenger needs to carry out emergency unlocking on the seat, the passenger drives the one-key unlocking steel wire rope assembly to move through the adjusting handle assembly, the one-key unlocking steel wire rope assembly drives the left side waistband steel wire rope assembly, the right side waistband steel wire rope assembly and the shoulder belt steel wire rope assembly to synchronously move through the branching assembly, the left side waistband steel wire rope assembly and the right side waistband steel wire rope assembly move to realize unlocking of the left side and the right side of the two-point type safety belt, the shoulder belt steel wire rope assembly unlocks the two locking pins and the shoulder belt locking plate of the lifesaving umbrella through the connecting rod mechanism, the passenger can synchronously unlock the two-point type safety belt, the shoulder belt and the lifesaving umbrella in the seat in one step, and the two locking pins of the lifesaving umbrella are controlled through the connecting rod mechanism, so that the stroke length of the shoulder belt steel wire rope assembly is reduced, and the reliability of the locking function of the lifesaving umbrella is also improved.
Preferably, the adjustment handle subassembly is including fixing right side apron, the left side apron that links to each other with the right side apron in seat chassis side, rotating the handle connecting rod that sets up between right side apron and left side apron, rotating the cover and establish the epaxial runner of handle pivot through the handle pivot, the upper end and the handle connecting rod joint of runner, the lower tip and the key unblock wire rope subassembly of runner link to each other.
By adopting the technical scheme, the passenger rotates the handle connecting rod, the handle connecting rod drives the rotating wheel to rotate, and the rotating wheel rotates to drive the one-key unlocking steel wire rope assembly to move, so that the passenger can conveniently operate the adjusting handle assembly.
Preferably, the adjustment handle subassembly still includes the restriction subassembly, the restriction subassembly includes wears to establish the pressure pole in adjustment handle and the handle connecting rod with the fixed regulation handle of handle connecting rod one end and the slip, the inner wall fixedly connected with restriction frid of right side apron, the one end of pressing the pole is fixed with the restriction post with restriction frid slip joint, set up on the handle connecting rod and supply the gliding sliding tray of restriction post.
By adopting the technical scheme, when the limiting column is clamped in the limiting groove plate, the limiting assembly limits the handle connecting rod to rotate, so that the situation that a passenger mistakenly touches the handle connecting rod to unlock the seat is effectively avoided; when the handle connecting rod needs to be rotated, the passenger moves the pressing rod, and the limiting column is separated from the limiting groove plate in a clamping mode.
Preferably, the one-key unlocking steel wire rope assembly, the shoulder belt steel wire rope assembly, the left side waist belt steel wire rope assembly and the right side waist belt steel wire rope assembly respectively comprise a sleeve and a steel wire rope which is arranged in the sleeve in a sliding penetrating mode.
Preferably, the branching assembly comprises a branching fixing sleeve fixed on the seat framework and a switching fixing block arranged inside the branching fixing sleeve in a sliding manner, one end of the switching fixing block is connected with a one-key unlocking steel wire rope assembly, and the other end of the switching fixing block is connected with a shoulder belt steel wire rope assembly, a left side waist belt steel wire rope assembly and a right side waist belt steel wire rope assembly.
By adopting the technical scheme, the one-key unlocking steel wire rope assembly moves to drive the switching fixing block to move, so that the shoulder belt steel wire rope assembly, the left side waist belt steel wire rope assembly and the right side waist belt steel wire rope assembly are driven to synchronously move.
Preferably, the connecting rod mechanism comprises a stressed connecting rod assembly connected with the shoulder belt steel wire rope assembly and two force application connecting rod assemblies respectively connected with two locking pins of the lifesaving parachute;
a force transmission connecting rod assembly and a conversion connecting rod assembly for transmitting force are arranged between the stressed connecting rod assembly and the force application connecting rod assembly;
the stress connecting rod assembly, the force transmission connecting rod assembly, the conversion connecting rod assembly and the force application connecting rod assembly are all arranged on the seat framework.
Through adopting above-mentioned technical scheme, shoulder the wire rope subassembly and exert the effort to atress link assembly, then pass power link assembly and conversion link assembly with the transmission of power to on the application of force link assembly to make application of force link assembly unlock two lockpins of lifesaving umbrella.
Preferably, the stressed connecting rod assembly comprises two stressed connecting rod fixing seats respectively fixed on the seat framework, a stressed short connecting rod and a stressed long connecting rod which are respectively connected to the two stressed connecting rod fixing seats in a rotating manner, one end of the stressed short connecting rod is fixedly connected with one end of the shoulder belt steel wire rope assembly, and the other end of the stressed short connecting rod is hinged with one end of the stressed long connecting rod in a sliding manner;
the force transmission connecting rod assembly comprises a force transmission pin shaft fixedly arranged on the seat framework and a force transmission connecting plate rotatably arranged on the force transmission pin shaft, and the other end of the stressed long connecting rod is hinged with one end of the force transmission connecting plate in a sliding manner;
the conversion connecting rod assembly comprises a conversion pin shaft fixedly arranged on the seat framework, a conversion U-shaped seat rotatably arranged on the conversion pin shaft and a conversion connecting rod arranged at one end of the conversion U-shaped seat, and the other end of the force transmission connecting plate is provided with a conversion connecting groove clamped with the conversion connecting rod;
the force application connecting rod assembly comprises a first force application connecting rod, a vertical force application rod and a second force application connecting rod, the first force application connecting rod is rotatably arranged at the end portion of the conversion pin shaft, the vertical force application rod is rotatably connected to one end of the first force application connecting rod, one end of the second force application connecting rod is hinged to the other end of the vertical force application rod in a sliding mode, one end of the first force application connecting rod is in contact with one end of the conversion U-shaped seat in a butting mode, the second force application connecting rod is rotatably connected with the seat framework, and the other end of the second force application connecting rod is fixedly connected with a locking pin of the lifesaving umbrella.
Through adopting above-mentioned technical scheme, shoulder wire rope subassembly and exert the effort to the short connecting rod of atress, the short connecting rod of atress rotates, drives the long connecting rod of atress and rotates, and the long connecting rod of atress drives the power connecting plate and rotates, and the atress connecting plate drives first application of force connecting rod and rotates, and first application of force connecting rod drives vertical application of force pole and rotates, and vertical application of force pole drives second application of force connecting rod and rotates to realize that second application of force connecting rod opens the stop pin of lifesaving umbrella.
Preferably, a shoulder strap clamping plate for locking the shoulder strap locking plate is fixed at the lower end part of the conversion U-shaped seat.
Through adopting above-mentioned technical scheme, realize the locking to baldric lockplate.
Preferably, be provided with on the seat skeleton and pop out the subassembly, pop out the subassembly including fixing pop out the seat on the seat skeleton, the cover establish pop out the torsional spring on popping out the seat, pop out the one end of torsional spring and pop out a fixed connection, the other end is inconsistent with one side of baldric lockplate to pop out the torsional spring and be in and hold the power state.
By adopting the technical scheme, after the shoulder strap clamping plate is separated from the shoulder strap locking plate, the torsion spring is popped up to give a force to the shoulder strap locking plate, so that the shoulder strap locking plate can be popped up out of the seat framework by self.
Preferably, be provided with manual unblock subassembly on the conversion round pin axle, manual unblock subassembly is including rotating the unblock seat that sets up at the conversion round pin epaxial, fix the unblock board and the cover of tip under the unblock seat and establish the unblock torsional spring at the conversion round pin epaxial, the one end and the conversion round pin axle fixed connection of unblock torsional spring, the other end extends to the below of shoulder area joint board.
By adopting the technical scheme, the unlocking seat is rotated to drive the unlocking plate to rotate, the unlocking plate drives the unlocking torsion spring to rotate, the unlocking torsion spring drives the shoulder strap clamping plate to rotate, the shoulder strap clamping plate is separated from the shoulder strap locking plate, the shoulder strap and the lifesaving umbrella are unlocked, when the shoulder strap steel wire rope assembly, the stress connecting rod assembly and the force transmission connecting rod assembly break down, a passenger can still unlock the lifesaving umbrella and the shoulder strap through the manual unlocking assembly 75, and the unlocking performance of the whole linkage unlocking mechanism is ensured.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the linkage unlocking mechanism respectively controls five unlocking points of the two-point type safety belt, the shoulder belt and the lifesaving parachute through an adjusting handle, so that the unlocking time of passengers is shortened, and the passengers can rapidly evacuate;
2. the arrangement of the connecting rod mechanism not only reduces the stroke length of the shoulder belt steel wire rope component, but also improves the reliability of the locking function of the lifesaving umbrella.
Drawings
Fig. 1 is a schematic view of the overall structure of the present application.
FIG. 2 is a schematic view of the structure of the adjustment handle assembly embodied in the present application.
Fig. 3 is a schematic diagram of a structure of a wire-separating assembly embodied in the present application.
Fig. 4 is an overall schematic view of a link mechanism embodied in the present application.
FIG. 5 is a schematic structural view of a stressed link assembly embodying the present application.
FIG. 6 is a schematic structural view of a force-transmitting linkage assembly and a transition linkage assembly embodying the present application.
FIG. 7 is a structural schematic view of a force applying linkage assembly embodying the present application.
Description of reference numerals: 1. an adjustment handle assembly; 11. a right cover plate; 12. a left cover plate; 13. a handle link; 14. a rotating wheel; 15. a handle spring; 16. a restraining component; 161. adjusting the handle; 162. a pressing lever; 163. a restraining post; 164. a limiting groove plate; 165. a restraining spring; 2. unlocking the steel wire rope assembly by one key; 3. a wire branching assembly; 31. a wire-branching fixing sleeve; 32. switching a fixed block; 33. a single-hole gasket; 34. a porous pad; 35. an end cap; 4. a shoulder strap wire rope component; 5. a left side lap belt wire rope assembly; 6. a right waistband wire rope assembly; 7. a link mechanism; 71. a stressed linkage assembly; 711. a force-bearing connecting rod fixing seat; 712. a stressed short link; 713. a stressed long connecting rod; 72. a force-transmitting linkage assembly; 721. a force transmission pin shaft; 722. a force transmission connecting plate; 723. converting a connecting groove; 73. a connecting rod assembly is switched; 731. converting a pin shaft; 732. converting the U-shaped seat; 733. a conversion connecting rod; 734. a shoulder strap clamping plate; 74. a force application linkage assembly; 741. a first force applying link; 742. a vertical force application rod; 743. a second force applying link; 75. a manual unlocking assembly; 751. an unlocking seat; 752. an unlocking plate; 753. unlocking the torsion spring; 8. shoulder strap locking plates; 81. shoulder strap locking grooves; 9. a pop-up assembly; 91. pop-up seats, 92, pop-up torsion springs.
Detailed Description
The present application is described in further detail below with reference to figures 1-7.
The embodiment of the application discloses linkage release mechanism. Referring to fig. 1 to 7, the linkage unlocking mechanism includes an adjustment handle assembly 1, a one-key unlocking steel wire rope assembly 2, a branching assembly 3, a shoulder belt steel wire rope assembly 4, a left side waist belt steel wire rope assembly 5, a right side waist belt steel wire rope assembly 6 and a link mechanism 7, the adjustment handle assembly 1 is arranged on the side of the seat chassis, the branching assembly 3 is arranged at the lower end of the rear side of the seat frame, and two ends of the branching assembly 3 are respectively a traction end and a branching end, one end of the one-key unlocking steel wire rope assembly 2 is connected with the adjustment handle assembly 1, the other end of the one-key unlocking steel wire rope assembly 2 is connected with the traction end of the branching assembly 3, the shoulder belt steel wire rope assembly 4, the left side waist belt steel wire rope assembly 5 and the right side waist belt steel wire rope assembly 6 are respectively connected with the branching end of the branching assembly 3, the left side waist belt steel wire rope assembly 5 and the right side waist belt steel wire rope assembly 6 are respectively connected with two left and right connection points of a two point type safety belts, the link mechanism 7 is arranged at the upper end of the seat frame, the shoulder belt frame is provided with a shoulder belt 8 on the seat frame in a sliding manner, the shoulder belt assembly 4, and the link mechanism 7 are respectively connected with two locking pins of a locking plate 8 of a life-saving umbrella.
The one-key unlocking steel wire rope component 2, the shoulder belt steel wire rope component 4, the left side waist belt steel wire rope component 5 and the right side waist belt steel wire rope component 6 respectively comprise a sleeve and a steel wire rope, the sleeve is respectively fixed on the seat chassis and the seat framework through tightening hoops, and the steel wire rope is slidably arranged in the sleeve in a penetrating mode.
The sleeve pipe in the one-key unlocking steel wire rope component 2 is fixed on the lower end face of the seat chassis, and two ends of a steel wire rope in the one-key unlocking steel wire rope component 2 are respectively connected with the adjusting handle component 1 and the traction end of the wire distributing device.
As shown in fig. 2, the adjustment handle assembly 1 includes a right cover plate 11 and a left cover plate 12, the right cover plate 11 is fixed on the side of the seat chassis, the left cover plate 12 is fixed on the left side of the right cover plate 11 through a bolt, and a cavity is formed between the right cover plate 11 and the left cover plate 12, the inner wall of the right cover plate 11 is rotatably connected with a handle connecting rod 13 through a handle rotating shaft, a rotating wheel 14 is further sleeved on the handle rotating shaft, the rotating wheel 14 is integrally located below the handle connecting rod 13, the upper end of the rotating wheel 14 is clamped with the end of the handle connecting rod 13, the lower end of the rotating wheel 14 is fixedly connected with a steel wire rope in the one-key unlocking steel wire rope assembly 2, a handle spring 15 is arranged in the right cover plate 11, the handle spring 15 is close to one side of the steel wire rope, one end of the handle spring 15 is clamped with the inner wall of the right cover plate 11, and the other end of the handle spring 15 is clamped with the turntable.
The passenger rotates the handle connecting rod 13 upwards, the handle connecting rod 13 drives the rotating wheel 14 to rotate along with the handle connecting rod, at the moment, the handle spring 15 is changed into a stretching state from a natural state, the rotating wheel 14 rotates to drive the steel wire rope in the one-key unlocking steel wire rope component 2 to move, and after the passenger loosens the handle, the handle spring 15 drives the rotating wheel 14 to rotate to the original position under the action of restoring force of the handle spring.
Be provided with restriction handle connecting rod 13 pivoted restriction subassembly 16 between handle connecting rod 13 and right shroud 11, restriction subassembly 16 is including fixing the regulation handle 161 that deviates from handle pivot one end at handle connecting rod 13, it wears to be equipped with to press the pole 162 to adjust in handle 161 and the handle connecting rod 13, the one end of pressing the pole 162 slides to run through and extends to adjust the handle 161 one end that deviates from handle connecting rod 13, the other end of pressing the pole 162 is located the inside of handle connecting rod 13, and fixedly connected with restriction post 163, restriction post 163 is on a parallel with the setting of handle pivot, the both ends of restriction post 163 slide respectively and run through handle connecting rod 13, and set up the gliding sliding tray that supplies restriction post 163 on the handle connecting rod 13, the inner wall fixedly connected with of right shroud 11 limits slotted plate 164, limit slot has been seted up on the restriction slotted plate 164, the one end of restriction post 163 extends to in the restriction slotted plate 164, when restriction post 163 is located the restriction slot, handle connecting rod 13 can's unable rotation, press the pole 162 through sliding, can make restriction post 163 shift out the restriction slot, at this moment, handle connecting rod 13 can rotate.
The inside of the adjusting handle 161 is fixedly connected with a guide post, the pressing rod 162 is provided with a guide groove, the guide post is connected with the guide groove in a sliding manner, and the arrangement of the guide post and the guide groove improves the stability of the pressing rod 162 in the sliding process; be provided with restriction spring 165 in the pressure pole 162, restriction spring 165 slip cap establishes and presses pole 162 to restriction spring 165's both ends respectively with press pole 162 and handle connecting rod 13 fixed connection, restriction spring 165's setting has avoided under the effect of not receiving the external force pressing pole 162, produces the removal, and then leads to handle connecting rod 13 to rotate by oneself.
As shown in fig. 3, the branching assembly 3 includes a branching fixing sleeve 31, the branching fixing sleeve 31 is fixed to the lower end of the rear side of the seat frame by a tightening ring, a switching fixing block 32 is slidably disposed inside the branching fixing sleeve 31, one end of the switching fixing block 32 is fixedly connected to the other end of the steel wire rope in the one-key unlocking steel wire rope assembly 2, and the other end of the switching fixing block 32 is fixedly connected to one end of the steel wire rope in the shoulder belt steel wire rope assembly 4, the left side waist belt steel wire rope assembly 5, and the right side waist belt steel wire rope assembly 6, respectively.
The branching fixing sleeve 31 is respectively provided with a single-hole gasket 33 and a porous gasket 34 in a sliding manner on two sides of the switching fixing block 32, the single-hole gasket 33 is used for unlocking a steel wire rope in the steel wire rope component by a limiting key, and the porous gasket 34 is used for limiting steel wire ropes in the shoulder belt steel wire rope component 4, the left side waist belt steel wire rope component 5 and the right side waist belt steel wire rope component 6; two ends of the branching fixing sleeve 31 are respectively in threaded connection with an end cover 35, and a through hole for a steel wire rope to pass through is formed in the end cover 35.
The other end of the steel wire rope in the left side belt steel wire rope component 5 and the right side belt steel wire rope component 6 is respectively connected with the left connecting point and the right connecting point of the two-point type safety belt, and the left side and the right side of the two-point type safety belt can be unlocked by pulling the steel wire rope in the left side belt steel wire rope component 5 and the right side belt steel wire rope component 6.
As shown in fig. 4, the link mechanism 7 includes a force receiving link assembly 71, a force transmission link assembly 72, a switching link assembly 73 and a force application link assembly 74, the force receiving link assembly 71 is used for receiving the force applied by the shoulder belt cable assembly 4, the force transmission link assembly 72 and the switching link assembly 73 are used for transmitting the force of the force receiving link assembly 71 to the force application link assembly 74, and the force application link assembly 74 is used for transmitting the received force to the two locking pins of the parachute.
As shown in fig. 4 and 5, the stressed link assembly 71 includes two stressed link fixing seats 711, the two stressed link fixing seats 711 are respectively fixed on the seat frame, the two stressed link fixing seats 711 are respectively and rotatably connected with a stressed short link 712 and a stressed long link 713, one end of the stressed short link 712 is fixedly connected with the steel wire rope in the shoulder belt steel wire rope assembly 4, the other end of the stressed short link 712 is hinged with one end of the stressed long link 713 through a stressed connecting shaft, and the stressed long link 713 is provided with a stressed sliding groove for the stressed connecting shaft to slide, so that the stressed short link 712 is slidably hinged with the stressed long link 713.
By moving the wire rope in the shoulder belt wire rope assembly 4, the stressed short link 712 can be driven to rotate by the stressed link fixing seat 711, and the stressed short link 712 can drive the stressed long link 713 to rotate by the stressed link fixing seat 711.
As shown in fig. 4 and 6, the force transmission connecting rod assembly 72 includes a force transmission pin 721 fixedly disposed on the seat frame, the force transmission pin 721 is rotatably connected with a force transmission connecting plate 722, the other end of the stressed long connecting rod 713 is a round rod, one end of the force transmission connecting plate 722 is provided with a force transmission groove, and the round rod of the stressed long connecting rod 713 is slidably inserted into the force transmission groove.
The long stressed connecting rod 713 rotates to drive the round rod to move in the force transmission groove, and further drive the force transmission connecting plate 722 to rotate through the force transmission shaft pin.
As shown in fig. 4 and fig. 6, the conversion link assembly 73 includes a conversion pin 731 fixedly disposed on the seat frame, a conversion U-shaped seat 732 is rotatably disposed on the conversion pin 731, a conversion connecting rod 733 penetrates through an end of the conversion U-shaped seat 732, which is away from the conversion pin 731, a conversion connecting groove 723 is disposed at an end of the force transmission connecting plate 722, which is away from the force transmission groove, and the conversion connecting rod 733 is slidably inserted into the conversion connecting groove 723. The force transmission connecting plate 722 rotates to drive the conversion connecting rod 733 to rotate along with the force transmission connecting plate 722, and the conversion connecting rod 733 drives the conversion U-shaped seat 732 to rotate through the conversion pin shaft 731.
As shown in fig. 4 and 7, two force application link assemblies 74 are provided and symmetrically disposed at two sides of the converting pin 731, each force application link assembly 74 includes a first force application link 741 rotatably disposed at an end of the converting pin 731, one end of the first force application link 741 abuts against the converting U-shaped seat 732, when the converting U-shaped seat 732 rotates upward, the first force application link 741 is driven to rotate upward, the other end of the first force application link 741 is rotatably connected with a vertical force application rod 742, the other end of the vertical force application rod 742 is slidably hinged with a second force application link 743, a force application rotating shaft is disposed between the second force application link 743 and the seat frame, the second force application link 743 is rotatably connected to the seat frame through the force application rotating shaft, one end of the second force application link 743 close to the vertical force application rod 742 is provided with a force application chute, the force application sliding chute is slidably connected with a force application hinge shaft, the force application hinge shaft is rotatably connected to the vertical force application rod 742, and one end of the second force application link 743 departing from the vertical force application rod 742 is fixedly connected to a locking pin of the lifesaving umbrella.
After the switching U-shaped seat 732 drives the first force application link 741 to rotate upward, the vertical force application rod 742 moves downward to drive the second force application link 743 to rotate on the force application rotating shaft, and the second force application link 743 drives the locking pin of the lifesaving parachute to move upward, so that the lifesaving parachute is unlocked.
As shown in fig. 6, shoulder strap locking plate 8 is located below conversion U-shaped seat 732, shoulder strap locking groove 81 is formed in shoulder strap locking plate 8, shoulder strap latch plate 734 is fixed to the lower end portion of conversion U-shaped seat 732, and shoulder strap latch plate 734 is latched into shoulder strap locking groove 81. When the conversion U-shaped seat 732 rotates, the shoulder strap latch plate 734 rotates, when the shoulder strap latch plate 734 rotates to move away from the shoulder strap locking groove 81, the shoulder strap locking plate 8 is locked in a contact manner, and a worker can slide the shoulder strap locking plate 8 to release the shoulder strap.
Be provided with on the seat skeleton and pop out subassembly 9, pop out subassembly 9 and including fixing the seat 91 that pops out on the seat skeleton, pop out the cover on the seat 91 and be equipped with and pop out torsional spring 92, pop out the one end of torsional spring 92 and fix on popping out seat 91, the other end that pops out torsional spring 92 extends and is provided with the long arm to the long arm extends to the below of converting U type seat 732, and offsets in one side of baldric lockplate 8, and the holding tank that holds and pop out the long arm of torsional spring 92 is seted up to one side of baldric lockplate 8. When the shoulder belt locking plate 8 is in the locked state, the long arm of the pop-up torsion spring 92 is in the power storage state, and after the shoulder belt locking plate 8 is unlocked, the long arm of the pop-up torsion spring 92 applies a force to the shoulder belt locking plate 8, so that the shoulder belt locking plate 8 automatically pops up.
As shown in fig. 4 and 6, a manual unlocking assembly 75 is arranged on the conversion pin shaft 731, the manual unlocking assembly 75 comprises an unlocking seat 751 rotatably arranged on the conversion pin shaft, an unlocking plate 752 is fixedly connected to the lower end of the unlocking seat 751, an unlocking torsion spring 753 is sleeved on the conversion pin shaft 731, one end of the unlocking torsion spring 753 is fixedly connected with the conversion pin shaft 731, the other end of the unlocking torsion spring 753 is provided with a long arm and extends to the lower side of the shoulder strap clamping plate 734, the unlocking plate 752 is positioned on one side of the unlocking torsion spring 753 departing from the shoulder strap clamping plate 734, an accommodating groove for accommodating the long arm of the unlocking torsion spring 753 is formed in the unlocking plate 752, a pull strap is fixed on one side of the unlocking seat 751 departing from the unlocking plate 752, and an occupant can drive the unlocking seat 751 to rotate through the pull strap.
The passenger pulls the pull belt to rotate the unlocking seat 751 anticlockwise, the unlocking plate 752 can be driven to rotate, the unlocking plate 752 drives the unlocking torsion spring 753 to rotate, the unlocking torsion spring 753 is located below the shoulder strap clamping plate 734, the long arm of the unlocking torsion spring 753 can drive the shoulder strap clamping plate 734 to rotate upwards, the shoulder strap locking plate 8 is further locked through contact, the shoulder strap clamping plate 734 rotates upwards to drive the conversion U-shaped seat 732 to rotate upwards, and the lifesaving umbrella is unlocked through the force application connecting rod assembly 74. When the shoulder belt steel wire rope assembly 4, the stressed connecting rod assembly 71 and the force transmission connecting rod assembly 72 are in failure, the passenger can still unlock the life-saving parachute and the shoulder belt through the manual unlocking assembly 75.
The implementation principle of a linkage release mechanism of the embodiment of the application is as follows: when the passengers need to rapidly withdraw for escape, the passengers press the pressing rod 162 inwards until the adjusting handle 161 can be rotated, the adjusting handle 161 rotates to drive the rotating wheel 14 to rotate, the rotating wheel 14 stretches the steel wire ropes in the one-key unlocking steel wire rope assembly 2, the steel wire ropes in the one-key unlocking steel wire rope assembly 2 respectively pull the steel wire ropes in the shoulder strap steel wire rope assembly 4, the left side waist belt steel wire rope assembly 5 and the right side waist belt steel wire rope assembly 6 through the branching assembly 3, at the moment, the steel wire ropes in the left side waist belt steel wire rope assembly 5 and the right side waist belt steel wire rope assembly 6 unlock the left side and the right side of the two-point type safety belt, and the steel wire ropes in the shoulder strap steel wire rope assembly 4 apply force to the link mechanism 7.
The steel wire rope in the shoulder belt steel wire rope component 4 drives the force transmission connecting plate 722 to rotate through the stressed short connecting rod 712 and the stressed long connecting rod 713, the force transmission connecting plate 722 rotates to drive the conversion U-shaped seat 732 to rotate, and the conversion U-shaped seat 732 rotates to realize two unlocking steps: firstly, the shoulder strap clamping plate 734 in the conversion U-shaped seat 732 leaves the shoulder strap locking groove 81, and the ejecting assembly 9 automatically ejects the shoulder strap locking plate 8; secondly, the switching U-shaped seat 732 drives the first force application link 741 to rotate, the first force application link 741 drives the second force application link 743 to rotate under the action of the vertical force application rod 742, and the second force application link 743 drives the locking pin of the lifesaving parachute to move upwards, so that the lifesaving parachute is unlocked.
The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. A linkage release mechanism, characterized by: the seat unlocking device comprises an adjusting handle component (1) arranged on the side surface of a seat chassis, a one-key unlocking steel wire rope component (2) with one end connected with the adjusting handle component (1), and a wire distributing component (3) connected with the other end of the one-key unlocking steel wire rope component (2);
the other end of the branching component (3) is respectively connected with a left waistband steel wire rope component (5), a right waistband steel wire rope component (6) and a shoulder belt steel wire rope component (4);
the other ends of the left side waistband steel wire rope component (5) and the right side waistband steel wire rope component (6) are respectively connected with a left connecting point and a right connecting point of the two-point type safety belt;
the other end of shoulder belt wire rope subassembly (4) is connected with link mechanism (7), link mechanism (7) set up on the seat skeleton, slide on the seat skeleton and be provided with shoulder belt lockplate (8), link mechanism (7) link to each other with two stop pins and shoulder belt lockplate (8) of lifesaving umbrella respectively.
2. A linked unlocking mechanism according to claim 1, wherein: adjusting handle subassembly (1) including fix right side apron (11) of seat chassis side, left side apron (12) that link to each other with right side apron (11), rotate through the handle pivot and set up handle connecting rod (13) between right side apron (11) and left side apron (12), rotate the cover and establish runner (14) in the handle pivot, the upper end and handle connecting rod (13) joint of runner (14), the lower tip and a key unblock wire rope subassembly (2) of runner (14) link to each other.
3. A linked unlocking mechanism according to claim 2, wherein: adjusting handle subassembly (1) still includes restriction subassembly (16), restriction subassembly (16) include with handle connecting rod (13) one end fixed regulation handle (161) and slide and wear to establish press down pole (162) in adjusting handle (161) and handle connecting rod (13), the inner wall fixedly connected with of right side apron (11) limits frid (164), the one end of pressing down pole (162) is fixed with and limits limiting post (163) of frid (164) slip joint, set up on handle connecting rod (13) and supply to limit the gliding sliding tray of post (163).
4. A linked unlocking mechanism according to claim 1, wherein: the one-key unlocking steel wire rope component (2), the shoulder belt steel wire rope component (4), the left side waist belt steel wire rope component (5) and the right side waist belt steel wire rope component (6) respectively comprise a sleeve and a steel wire rope which is arranged in the sleeve in a sliding penetrating mode.
5. A linked unlocking mechanism according to claim 1, wherein: branching subassembly (3) including fix the fixed cover of branching (31), the switching fixed block (32) of slip setting in the fixed cover of branching (31) inside on the seat skeleton, the one end and a key unblock wire rope subassembly (2) of switching fixed block (32) link to each other, and the other end links to each other with baldric wire rope subassembly (4), left side waistband wire rope subassembly (5), right side waistband wire rope subassembly (6).
6. A linked unlocking mechanism according to claim 1, wherein: the connecting rod mechanism (7) comprises a stressed connecting rod assembly (71) connected with the shoulder belt steel wire rope assembly (4) and two force application connecting rod assemblies (74) respectively connected with two locking pins of the lifesaving parachute;
a force transmission connecting rod assembly (72) and a conversion connecting rod assembly (73) for transmitting force are arranged between the stressed connecting rod assembly (71) and the force application connecting rod assembly (74);
the stressed connecting rod assembly (71), the force transmission connecting rod assembly (72), the conversion connecting rod assembly (73) and the force application connecting rod assembly (74) are all arranged on the seat framework.
7. A linked unlocking mechanism according to claim 6, wherein: the stress connecting rod assembly (71) comprises two stress connecting rod fixing seats (711) which are respectively fixed on the seat framework, a stress short connecting rod (712) and a stress long connecting rod (713) which are respectively connected to the two stress connecting rod fixing seats (711) in a rotating mode, one end of the stress short connecting rod (712) is fixedly connected with one end of the shoulder belt steel wire rope assembly (4), and the other end of the stress short connecting rod (712) is hinged with one end of the stress long connecting rod (713) in a sliding mode;
the force transmission connecting rod assembly (72) comprises a force transmission pin shaft (721) fixedly arranged on the seat framework and a force transmission connecting plate (722) rotatably arranged on the force transmission pin shaft (721), and the other end of the stressed long connecting rod (713) is hinged with one end of the force transmission connecting plate (722) in a sliding manner;
the conversion connecting rod assembly (73) comprises a conversion pin shaft (731) fixedly arranged on the seat framework, a conversion U-shaped seat (732) rotatably arranged on the conversion pin shaft (731), and a conversion connecting rod (733) arranged at one end of the conversion U-shaped seat (732), and the other end of the force transmission connecting plate (722) is provided with a conversion connecting groove (723) clamped with the conversion connecting rod (733);
the force application connecting rod assembly (74) comprises a first force application connecting rod (741) rotatably arranged at the end of the conversion pin shaft (731), a vertical force application rod (742) rotatably connected to one end of the first force application connecting rod (741), and a second force application connecting rod (743) with one end slidably hinged to the other end of the vertical force application rod (742), one end of the first force application connecting rod (741) is used for converting one end of the U-shaped seat (732) to be abutted, the second force application connecting rod (743) is rotatably connected with the seat framework, and the other end of the second force application connecting rod (743) is fixedly connected with a locking pin of the lifesaving umbrella.
8. A linked unlocking mechanism according to claim 7, wherein: and a shoulder strap clamping plate (734) for locking the shoulder strap locking plate (8) is fixed at the lower end part of the conversion U-shaped seat (732).
9. A linked unlocking mechanism according to claim 8, wherein: be provided with on the seat skeleton and pop out subassembly (9), pop out subassembly (9) including fixing pop out seat (91), the cover on the seat (91) of popping out torsional spring (92) of popping out on the seat skeleton, the one end that pops out torsional spring (92) with pop out seat (91) fixed connection, the other end is inconsistent with one side of baldric lockplate (8) to pop out torsional spring (92) and be in and hold the power state.
10. A linked unlocking mechanism according to claim 9, wherein: conversion round pin axle (731) is last to be provided with manual unblock subassembly (75), manual unblock subassembly (75) including rotate setting up unblock seat (751), fix unblock board (752) and the cover of unblock seat (751) lower tip and establish unblock torsional spring (753) on conversion round pin axle (731), the one end and the conversion round pin axle (731) fixed connection of unblock torsional spring (753), the other end extends to the below of shoulder belt joint board (734).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210977166.3A CN115489738A (en) | 2022-08-15 | 2022-08-15 | Linkage unlocking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210977166.3A CN115489738A (en) | 2022-08-15 | 2022-08-15 | Linkage unlocking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115489738A true CN115489738A (en) | 2022-12-20 |
Family
ID=84466682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210977166.3A Pending CN115489738A (en) | 2022-08-15 | 2022-08-15 | Linkage unlocking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115489738A (en) |
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|---|---|---|---|---|
| GB652131A (en) * | 1948-12-04 | 1951-04-18 | Martin James | Control means for use with ejection seat of aircraft |
| GB749459A (en) * | 1952-07-31 | 1956-05-23 | Sncaso | Improvements in or relating to ejector seats for aircraft |
| CN102729947A (en) * | 2011-04-02 | 2012-10-17 | 苏州益高电动车辆制造有限公司 | Five-point safety belt and safety belt release mechanism |
| CN105438480A (en) * | 2015-12-14 | 2016-03-30 | 航宇救生装备有限公司 | Conveyor seat |
| CN110371302A (en) * | 2019-07-15 | 2019-10-25 | 北京安达维尔航空设备有限公司 | A kind of pack harness system containing a key tripper |
| CN110654550A (en) * | 2019-10-29 | 2020-01-07 | 航宇救生装备有限公司 | Airplane seat backrest with lifesaving function |
| CN112407292A (en) * | 2020-11-23 | 2021-02-26 | 北京安达维尔航空设备有限公司 | Integrated structure of aviation seat and lifesaving parachute |
-
2022
- 2022-08-15 CN CN202210977166.3A patent/CN115489738A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB652131A (en) * | 1948-12-04 | 1951-04-18 | Martin James | Control means for use with ejection seat of aircraft |
| GB749459A (en) * | 1952-07-31 | 1956-05-23 | Sncaso | Improvements in or relating to ejector seats for aircraft |
| CN102729947A (en) * | 2011-04-02 | 2012-10-17 | 苏州益高电动车辆制造有限公司 | Five-point safety belt and safety belt release mechanism |
| CN105438480A (en) * | 2015-12-14 | 2016-03-30 | 航宇救生装备有限公司 | Conveyor seat |
| CN110371302A (en) * | 2019-07-15 | 2019-10-25 | 北京安达维尔航空设备有限公司 | A kind of pack harness system containing a key tripper |
| CN110654550A (en) * | 2019-10-29 | 2020-01-07 | 航宇救生装备有限公司 | Airplane seat backrest with lifesaving function |
| CN112407292A (en) * | 2020-11-23 | 2021-02-26 | 北京安达维尔航空设备有限公司 | Integrated structure of aviation seat and lifesaving parachute |
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