Drawer with operating platform for airplane
By designing the structure of the operating table and fixed lock in the drawer for aircraft, the problem of insufficient storage space in the drawer in the prior art is solved, and the storage space is increased and the convenience of use is improved under the unchanged size.
Patent Information
- Application Number
- CN202411581507.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-07
- Publication Date
- 2025-03-28
AI Technical Summary
The drawers with operating tables for existing aircraft are difficult to increase storage space when the size of the living equipment cabinet remains unchanged, and cannot meet the needs of the onboard personnel for the use of the living equipment cabinet.
A drawer with an operating table for an aircraft is designed. By setting an operating table on the drawer body and adopting a design of a first fixing lock and a second fixing lock, the operating table can be used to temporarily place items when the drawer is pulled out, and the drawer can be pushed back to increase storage space after use.
While the size of the living equipment cabinet remains unchanged, the storage space of the drawer is added, which meets the needs of the onboard personnel for the use of the living equipment cabinet. At the same time, the stable sliding of the drawer is achieved through simple operation.
Smart Images
Figure CN119699795A_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of drawers, and in particular to a drawer with an operating table for an aircraft. Background Art
[0002] The drawer with operating table is installed in the life equipment cabinet of the aircraft, and the drawer can be used to store various life items. However, in actual application, the drawer can only store items inside the drawer, and it is difficult to increase the storage space of the drawer without changing the outer size of the life equipment cabinet, so it is difficult to meet the use needs of the life equipment cabinet of the crew on the aircraft. Summary of the invention
[0003] In order to increase the storage space while keeping the external dimensions of the living equipment cabinet unchanged, the present application provides a drawer with an operating table for aircraft.
[0004] The present application provides a drawer with an operating table for an aircraft, which adopts the following technical solution: A drawer with an operating table for aircraft includes a drawer body slidably connected to a life equipment cabinet, an operating table slidably connected to the upper end of the drawer body, a drawer lock for fixing the drawer body to the life equipment cabinet is provided on the drawer body, a first fixing lock for fixing the operating table to the drawer body is provided on the drawer body, and a second fixing lock for fixing the drawer body when the drawer body is pulled out is provided on the drawer body.
[0005] By adopting the above technical solution, a drawer with an operating table for an aircraft is installed in the life equipment cabinet. The drawer can be used to store items. By arranging the operating table above it, the operating platform is usually in a locked state under the action of the first fixed lock and moves the same as the drawer. The operating table can be used to temporarily place food, water cups, etc. After use, the drawer can be pushed back by adjusting the second fixed lock. In this way, the storage space of the life equipment cabinet can be increased without changing its outer dimensions, thereby meeting the use needs of the crew on board for the life equipment cabinet.
[0006] Optionally, the drawer lock includes a drawer lock embedded part fixed to the drawer body, the drawer lock embedded part is provided with a hand buckle, the drawer lock embedded part is fixedly connected to a fixed shaft, the fixed shaft is penetrated and rotatably connected with a connecting piece, one end of the connecting piece is fixedly connected to the hand buckle, and the other end of the connecting piece is fixedly connected to a short shaft, the drawer body is installed with a first lock box body, the first lock box body is slidably connected with a first lock tongue, the lower end of the first lock tongue is provided with a connecting column, the first lock tongue is slidably inserted into the upper end of the connecting column, a first spring is sleeved on the connecting column, the connecting piece is fixedly connected to the first lock box body, under the action of the first spring, the first lock tongue is placed outside the first lock box body, and a pull head is provided in the first lock box body, one end of the pull head is connected to the first lock tongue, and the other end of the pull head is connected to the short shaft, when the hand buckle is pulled outward from the drawer lock embedded part, the pull head moves downward, the first spring is compressed, and the first lock tongue slides into the first lock box body.
[0007] By adopting the above technical solution, when opening the drawer lock, it is only necessary to pull the hand buckle outward, and then the hand buckle applies a downward pulling force to the pull head through the connecting plate and the short shaft, and then the pull head moves downward, the first spring is compressed, and the first lock tongue slides into the first lock box body, thereby causing the lock tongue to stop locking the drawer body.
[0008] Optionally, a first bottom guide rail is provided below the drawer body, the upper end of the first bottom guide rail is slidably connected to a second bottom guide rail, and the second bottom guide rail is fixedly connected to the lower end of the drawer body.
[0009] By adopting the above technical solution, the sliding direction of the second guide rail can be limited by the first guide rail, thereby limiting the sliding direction of the drawer body and improving the sliding stability of the drawer body.
[0010] Optionally, the first fixed lock includes a second lock box body fixedly connected to the drawer body, a second lock tongue is slidably connected in the second lock box body, a limiting groove is provided on the operating table opposite to the second lock tongue, a second spring is fixedly connected between the second lock tongue and the bottom of the second lock box body, and the second lock tongue is placed in the limiting groove under the action of the second spring.
[0011] By adopting the above technical solution, the sliding of the operating table on the drawer body can be restricted by the second locking tongue, and the locking of the operating table by the second locking tongue can be cancelled by adjusting the second locking tongue.
[0012] Optionally, one end of the second locking tongue close to the operating table is fixedly connected to a nylon block.
[0013] By adopting the above technical solution, the noise generated when the second locking tongue locks the operating table can be reduced by the nylon block.
[0014] Optionally, a first lock cover is fixedly connected to the outside of the second lock box body, a sliding block for moving the second lock tongue is slidably connected to the first lock cover, and the sliding block is fixedly connected to the second lock tongue.
[0015] By adopting the above technical solution, the sliding block can be pushed to drive the second locking tongue to move, thereby facilitating the adjustment of the second locking tongue.
[0016] Optionally, the lower end of the first bottom guide rail is fixedly connected to a lower plate, the second fixed lock includes a receiving block fixedly connected to the lower plate, the upper end of the receiving block is provided with a lock hole, a third lock box body is fixedly connected to the drawer body, a third lock tongue is slidably connected to the third lock box body, a third spring is provided between the third lock box body and the third lock tongue, the third lock tongue is placed outside the third lock box body under the action of the third spring, a second lock cover is fixedly connected to the third lock box body, and the second lock cover is provided with a handle for adjusting the position of the third lock tongue.
[0017] By adopting the above technical solution, the third lock tongue can be kept in the lock hole under the action of the third spring, and the third lock tongue can be controlled by the handle so that the third lock tongue overcomes the force of the third spring and realizes the disengagement of the third lock tongue in the lock hole.
[0018] Optionally, a locking pin is passed through the bottom surface of the drawer body, and a lifting button is fixedly connected to the upper end of the locking pin. A fourth spring is provided around the locking pin, one end of the fourth spring is fixedly connected to the locking pin, and the other end of the fourth spring is fixedly connected to the drawer body. Under the action of the fourth spring, the locking pin is placed below the drawer body, and a stopper for limiting the locking pin is fixedly connected to the upper end of the lower plate.
[0019] By adopting the above technical solution, under the action of the fourth spring, the locking pin can be maintained in the block, thereby fixing the drawer body on the lower plate. Subsequently, when it is necessary to cancel the fixation of the drawer body, the lifting button can be pulled upwards so that the locking pin can overcome the elastic force of the fourth spring, thereby disengaging the locking pin from the block, thereby canceling the fixation of the drawer body on the lower plate.
[0020] In summary, the present application includes at least one of the following beneficial technical effects: 1. Under the action of the first fixed lock, the operating platform is in a locked state and moves in the same manner as the drawer. The operating platform can be used to temporarily place food, water cups, etc. After use, the drawer can be pushed back by adjusting the second fixed lock. In this way, the storage space of the living equipment cabinet can be increased without changing its external dimensions; 2. When opening the drawer lock, it is only necessary to pull the hand buckle outward, and then the hand buckle applies a downward pulling force to the pull head through the connecting piece and the short axis, and then the pull head moves downward, the first spring is compressed, and the first lock tongue slides into the first lock box body, so that the lock tongue stops locking the drawer body; 3. The sliding direction of the second guide rail can be limited by the first guide rail, thereby limiting the sliding direction of the drawer body and improving the sliding stability of the drawer body. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present application; Figure 2 is a schematic diagram of the structure of the operating table of an embodiment of the present application; Figure 3 It is a structural schematic diagram of a drawer lock embedded part of an embodiment of the present application; Figure 4 This is a schematic diagram of the structure of the first lock box behind the hidden drawer lock embedded part of the embodiment of the present application; Figure 5 is a schematic structural diagram of a first locking tongue in an embodiment of the present application; Figure 6 is a schematic structural diagram of a second fixed lock in an embodiment of the present application; Figure 7 It is a schematic diagram of the structure of the limit slot in an embodiment of the present application; Figure 8 is a schematic diagram of the structure of the second lock tongue behind the first lock cover in an embodiment of the present application; Fig. 9 is a schematic diagram of the structure of a handle in an embodiment of the present application; Fig.10 is a schematic structural diagram of a third lock box body in an embodiment of the present application; Fig.11 is a schematic diagram of the structure of a receiving block in an embodiment of the present application; Fig.12 It is a schematic diagram of the structure of the locking pin of an embodiment of the present application.
[0022] In the figure, 1, drawer body; 2, lower plate; 21, stopper; 3, operating table; 31, limit groove; 4, drawer lock; 41, drawer lock embedded part; 42, hand buckle; 43, fixed shaft; 44, connecting piece; 45, short shaft; 46, first lock box body; 461, pull head; 462, connecting head; 47, first lock tongue; 48, connecting column; 49, first spring; 5, first fixed lock; 51, second lock box body; 52, second lock Tongue; 53, second spring; 54, nylon block; 55, first lock cover; 56, sliding block; 6, second fixed lock; 61, receiving block; 611, lock hole; 62, third lock box body; 63, third lock tongue; 64, second lock cover; 65, handle; 66, third spring; 7, first bottom guide rail; 8, second bottom guide rail; 9, locking pin; 10, lifting button; 11, fourth spring; 12, upper plate; 121, limit block. DETAILED DESCRIPTION
[0023] The following is combined with Figure 1 -Attached Fig.12 , further details of this application are given.
[0024] The embodiment of the present application is: a drawer with an operating table 3 for an aircraft, referring to Figure 1 and Figure 2 , including a drawer body 1, which is arranged in a rectangular parallelepiped shape with an upper end open, and a workbench 3 is slidably connected to the upper end of the drawer body 1, and the workbench 3 is arranged in a rectangular parallelepiped shape, and an upper plate 12 is arranged on the upper end of the workbench 3, and the upper plate 12 is fixed on the life equipment cabinet in actual installation, and the life equipment cabinet is not drawn in the figure. In order to reduce the occurrence of the situation that the workbench 3 slides to the deep of the drawer body 1, a limit block 121 for limiting the sliding range of the workbench 3 on the drawer body 1 is fixedly connected at the lower end of the upper plate 12, and the limit block 121 abuts against the workbench 3. A drawer lock 4 for fixing the drawer body 1 on the life equipment cabinet is provided on the drawer body 1.
[0025] Reference Figure 3 , Figure 4 and Figure 5 The drawer lock 4 includes a drawer lock embedded part 41 fixed on the front side wall of the drawer body 1. Two hand buckles 42 are arranged in the drawer lock embedded part 41. The two hand buckles 42 are located at the same height. A fixed shaft 43 is fixedly connected in the drawer lock embedded part 41. A connecting piece 44 is passed through and rotatably connected to the fixed shaft 43. The connecting piece 44 is set in a V shape and its two ends extend upward. One end of the connecting piece 44 is fixedly connected to the hand buckle 42. The other end of the connecting piece 44 is provided with a short shaft 45. The connecting piece 44 is fixedly connected to the arc-shaped side wall of the short shaft 45.
[0026] A first lock box body 46 is installed on the drawer body 1, and the first lock box body 46 is fixedly connected in the drawer lock embedded part 41. Two first lock tongues 47 are slidably connected in the first lock box body 46, and the two first lock tongues 47 are arranged in parallel in an arc shape. A connecting column 48 is provided at the lower end of the first lock tongue 47, and the connecting column 48 is fixedly connected in the first lock box body 46. The first lock tongue 47 is slidably inserted in the upper end of the connecting column 48, and its sliding direction is along the axis direction of the connecting column 48. A first spring 49 is sleeved on the connecting column 48. Under the action of the first spring 49, the first lock tongue 47 is placed outside the first lock box body 46. In actual installation, the first lock tongue 47 is placed in a hole on the living equipment cabinet under the action of the first spring 49.
[0027] Two pull heads 461 are arranged in the first lock box body 46, and the pull heads 461 correspond to the first locking tongue 47 one by one. The upper end of the pull head 461 is rotatably connected with a connecting head 462. One end of the connecting head 462 away from the pull head 461 is rotatably connected to the first locking tongue 47, and the other end of the pull head 461 is rotatably connected to the short shaft 45.
[0028] Then, when the drawer lock 4 is opened, the hand buckle 42 needs to be pulled outward, and then the hand buckle 42 applies an external force to the connecting piece 44, so that the connecting piece 44 rotates on the fixed shaft 43, so that the end of the connecting piece 44 away from the hand buckle 42 moves downward, and then the short shaft 45 moves downward and rotates on the pull head 461 to a certain extent, and then the short shaft 45 will apply a downward pulling force to the pull head 461, and then the pull head 461 moves downward, and then the pull head 461 will drive the connecting head 462 to move downward, at this time, the first lock tongue 47 moves downward, and then the first spring 49 is compressed, and the first lock tongue 47 slides into the first lock box body 46, and then the lock tongue stops locking the drawer body 1.
[0029] Reference Figure 6 , Figure 7 and Figure 8 The drawer body 1 is provided with a first fixed lock 5 for fixing the operating table 3 on the drawer body 1. The first fixed lock 5 includes a second lock box body 51 fixedly connected to the drawer body 1, and a first lock cover 55 is fixedly connected to the outside of the second lock box body 51. A second lock tongue 52 is slidably connected in the second lock box body 51, and the operating table 3 of the second lock tongue 52 is provided with a limiting groove 31, and the upper end of the second lock tongue 52 is placed in the limiting groove 31. A second spring 53 is fixedly connected between the second lock tongue 52 and the bottom of the second lock box body 51, and the second spring 53 is arranged around the outer wall of the second lock tongue 52. Under the action of the second spring 53, the second lock tongue 52 is kept in the limiting groove 31. A sliding block 56 for moving the second lock tongue 52 is slidably connected to the first lock cover 55, and the sliding block 56 is fixedly connected to the second lock tongue 52.
[0030] When the first fixed lock 5 is opened, the sliding block 56 can be pushed downward to drive the second locking tongue 52 to move downward, so that the second spring 53 is compressed, and finally the second locking tongue 52 is separated from the limiting groove 31 and returned to the second lock box body 51. At the same time, in order to reduce the noise generated when the second locking tongue 52 locks the operating table 3, a nylon block 54 is fixedly connected to one end of the second locking tongue 52 close to the operating table 3.
[0031] Reference Fig. 9 , Fig.10 and Fig.11 The drawer body 1 is provided with a second fixing lock 6 for fixing the drawer body 1 when the drawer body 1 is pulled out.
[0032] The lower end of the first bottom guide rail 7 is fixedly connected to the lower plate 2, which is arranged in a rectangular parallelepiped shape and parallel to the upper plate 12. The second fixed lock 6 includes a receiving block 61 fixedly connected to the lower plate 2, and a lock hole 611 is provided at the upper end of the receiving block 61. A third lock box body 62 is fixedly connected to the drawer body 1, and a third lock tongue 63 is slidably connected inside the third lock box body 62. A third spring 66 is provided between the third lock box body 62 and the third lock tongue 63, and the third lock tongue 63 is placed outside the third lock box body 62 under the action of the third spring 66. A second lock cover 64 is fixedly connected to the outside of the third lock box body 62, and a handle 65 for adjusting the position of the third lock tongue 63 is provided on the second lock cover 64, and the handle 65 is rotatably connected to the second lock cover 64, and the handle 65 is arranged as a combination of a lever and a connecting rod.
[0033] The third locking tongue 63 is held in the locking hole 611 by the third spring 66, so that the drawer body 1 is fixed to the lower plate 2. When the second lock box 51 needs to be opened, the handle 65 can be pressed downward away from one end of the third locking tongue 63, so that the handle 65 drives the third locking tongue 63 to overcome the force of the third spring 66, so that the third locking tongue 63 is separated from the locking hole 611.
[0034] Two first bottom rails 7 are fixedly connected to the upper end of the lower plate 2, and the bottom rails are arranged along the length direction of the lower plate 2 and are parallel to each other. A second bottom rail 8 is slidably connected to the upper end of the first bottom rail 7, and the second bottom rail 8 is fixedly connected to the lower end of the drawer body 1. The drawer body 1 is slidably connected to the lower plate 2 through the first bottom rail 7 and the second bottom rail 8.
[0035] Reference Fig.11 and Fig.12A locking pin 9 is provided on the bottom surface of the drawer body 1, a lifting button 10 is fixedly connected to the upper end of the locking pin 9, and a fourth spring 11 is provided around the locking pin 9, and the fourth spring 11 is arranged around the outer wall of the locking pin 9. One end of the fourth spring 11 is fixedly connected to the locking pin 9, and the other end of the fourth spring 11 is fixedly connected to the drawer body 1. Under the action of the fourth spring 11, the locking pin 9 is placed under the drawer body 1, and a stopper 21 for limiting the locking pin 9 is fixedly connected to the upper end of the lower plate 2. When the drawer body 1 slides outward to a certain position, the stopper 21 abuts against the locking pin 9 and limits the further sliding of the drawer body 1.
[0036] When it is necessary to cancel the fixing of the drawer body 1 on the lower plate 2, the lifting button 10 can be pulled upwards to make the locking pin 9 overcome the elastic force of the fourth spring 11 and move the locking pin 9 upwards. Then, an external force is applied to the drawer body 1 to make the locking pin 9 pass over the stopper 21, so that the drawer body 1 can be removed from the lower plate 2.
[0037] The embodiments of this specific implementation are all preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. The same components are represented by the same figure marks. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the protection scope of the present application.
Claims
1. A drawer with an operating table for an aircraft, characterized in that: The invention comprises a drawer body (1) slidably connected to a living equipment cabinet, an operating table (3) being slidably connected to the upper end of the drawer body (1), a drawer lock (4) for fixing the drawer body (1) to the living equipment cabinet being provided on the drawer body (1), a first fixing lock (5) for fixing the operating table (3) to the drawer body (1) being provided on the drawer body (1), and a second fixing lock (6) for fixing the drawer body (1) when the drawer body (1) is pulled out being provided on the drawer body (1).
2. The drawer with operating table for aircraft according to claim 1, characterized in that: The drawer lock (4) comprises a drawer lock embedded part (41) fixed to the drawer body (1), a hand buckle (42) being provided in the drawer lock embedded part (41), a fixed shaft (43) being fixedly connected in the drawer lock embedded part (41), a connecting piece (44) being passed through the fixed shaft (43) and rotatably connected thereto, one end of the connecting piece (44) being fixedly connected to the hand buckle (42), and the other end of the connecting piece (44) being fixedly connected to a short shaft (45), a first lock box body (46) being mounted on the drawer body (1), a first lock tongue (47) being slidably connected in the first lock box body (46), a connecting column (48) being provided at the lower end of the first lock tongue (47), and the first lock tongue (47) being slidably plugged into the connecting column (48) The first lock box body (46) is provided with a first spring (49) on the upper end of the connecting column (48), and the connecting column (48) is fixedly connected to the first lock box body (46). Under the action of the first spring (49), the first lock tongue (47) is placed outside the first lock box body (46). A pull head (461) is provided in the first lock box body (46), one end of the pull head (461) is connected to the first lock tongue (47), and the other end of the pull head (461) is connected to the short shaft (45). When the hand buckle (42) is pulled outward from the inside of the drawer lock embedded part (41), the pull head (461) moves downward, the first spring (49) is compressed, and the first lock tongue (47) slides into the first lock box body (46).
3. The drawer with operating table for aircraft according to claim 1, characterized in that: A first bottom guide rail (7) is provided below the drawer body (1); the upper end of the first bottom guide rail (7) is slidably connected to a second bottom guide rail (8); and the second bottom guide rail (8) is fixedly connected to the lower end of the drawer body (1).
4. The drawer with operating table for aircraft according to claim 1, characterized in that: The first fixed lock (5) comprises a second lock box body (51) fixedly connected to the drawer body (1); a second lock tongue (52) is slidably connected inside the second lock box body (51); an operating table (3) facing the second lock tongue (52) is provided with a limiting groove (31); a second spring (53) is fixedly connected between the second lock tongue (52) and the bottom inside the second lock box body (51); under the action of the second spring (53), the second lock tongue (52) is placed in the limiting groove (31).
5. The drawer with operating table for aircraft according to claim 4, characterized in that: One end of the second locking tongue (52) close to the operating table (3) is fixedly connected to a nylon block (54).
6. The drawer with operating table for aircraft according to claim 5, characterized in that: A first lock cover (55) is fixedly connected to the outside of the second lock box body (51), a sliding block (56) for moving the second lock tongue (52) is slidably connected to the first lock cover (55), and the sliding block (56) is fixedly connected to the second lock tongue (52).
7. The drawer with operating table for aircraft according to claim 3, characterized in that: The lower end of the first bottom guide rail (7) is fixedly connected to a lower plate (2); the second fixed lock (6) comprises a receiving block (61) fixedly connected to the lower plate (2); a lock hole (611) is provided at the upper end of the receiving block (61); a third lock box body (62) is fixedly connected to the drawer body (1); a third lock tongue (63) is slidably connected inside the third lock box body (62); a third spring (66) is provided between the third lock box body (62) and the third lock tongue (63); under the action of the third spring (66), the third lock tongue (63) is placed outside the third lock box body (62); a second lock cover (64) is fixedly connected outside the third lock box body (62); and a handle (65) for adjusting the position of the third lock tongue (63) is provided on the second lock cover (64).
8. The drawer with operating table for aircraft according to claim 7, characterized in that: A locking pin (9) is provided on the bottom surface of the drawer body (1), and a lifting button (10) is fixedly connected to the upper end of the locking pin (9). A fourth spring (11) is provided around the locking pin (9), and one end of the fourth spring (11) is fixedly connected to the locking pin (9), and the other end of the fourth spring (11) is fixedly connected to the drawer body (1). Under the action of the fourth spring (11), the locking pin (9) is placed below the drawer body (1), and a stopper (21) for limiting the locking pin (9) is fixedly connected to the upper end of the lower plate (2).