Data card cabin door knob switch limiting structure
By employing an eccentric locking mechanism and a combined door structure design, the problems of insufficient limit switches and electromagnetic seals in the door knobs have been solved, enabling rapid opening and closing of the data card door and corrosion resistance, thereby improving human-machine interaction efficiency and applicability.
Patent Information
- Application Number
- CN202520268571.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-19
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2035-02-19
AI Technical Summary
The existing airborne electronic equipment door knob design lacks limit switches, causing the knob to rotate freely when the door is open. This causes wear and tear on the panel during baffle installation, and electromagnetic sealing and corrosion protection are not considered, limiting its applicability.
The eccentric locking method, through the combination design of knob, baffle, locking block, spring, panel and sealing strip, enables quick opening and closing of the hatch and quick removal of the data card, and the design of metal partition and sealing groove achieves electromagnetic sealing and corrosion resistance.
It enables rapid opening and closing of the data card compartment door, improves human-machine interaction efficiency, enhances electromagnetic sealing and corrosion resistance, and expands the scope of application.
Smart Images

Figure CN223815726U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the aviation technical field especially relates to a data card cabin door knob switch limiting structure. BACKGROUND
[0002] The onboard electronic equipment usually realizes quick removal of the data card through the design of the cabin door knob structure, but the previous cabin door knob design has the following shortcomings:
[0003] The knob is free to rotate in the open state of the cabin door due to the lack of limiting.
[0004] The baffle is relatively difficult to penetrate into the installation panel in the blind eye condition, and there is wear on the panel and poor man-machine efficiency.
[0005] The electromagnetic seal and anticorrosion design are not considered, and the device cannot meet some use scenarios and has a small range of application. UTILITY MODEL CONTENTS
[0006] The utility model solves the technical problem: the utility model technical scheme uses a new eccentric locking mode to realize quick opening and closing of the cabin door and quick removal of the data card.
[0007] The utility model technical scheme is as follows:
[0008] A data card cabin door knob switch limiting structure, the switch limiting structure comprises a cabin door 1, a knob 2, a baffle 3, a locking pressing block 4, a spring 5, a panel 6 and a pivot 7.
[0009] A metal partition plate 1-4 is arranged on the cabin door 1, the metal partition plate 1-4 divides the cabin door into a data card cabin 1-3 and a knob cabin 1-4, and the knob 2 is arranged on the knob cabin 1-4.
[0010] The spring 5 is penetrated on the screw rod of the knob 2, the bottom of the screw rod of the knob 2 is provided with a through hole, the baffle 3 is penetrated into the bottom of the knob 2 through the through hole and is fixedly connected with the baffle 3 by riveting the bottom of the knob 2, and the initial direction of the baffle 3 is consistent with the direction of the baffle mark 2-1 arranged on the upper surface of the knob, the locking pressing block 4 is fastened with the panel 6 through a screw and cooperates with the baffle 3, and one end of the cabin door 1 is fixed on the panel 6 through the pivot 7.
[0011] Further, the switch limiting structure further comprises a sealing strip 8.
[0012] The side wall of the data card cabin 1-3 is provided with a sealing groove for filling the sealing strip 8.
[0013] Further, a limiting boss 2-2 is arranged on the screw rod of the knob 2, when the knob 2 is pressed, the limiting boss 2-2 is attached to the upper surface of the cabin door 1, and the limiting boss 2-2 is used for limiting the pressing stroke of the knob 2.
[0014] Further, the locking block 4 is provided with a locking block sink 4-1 and a locking block slide rail 4-2; the locking block sink 4-1 and the locking block slide rail 4-2 are communicated L-shaped structures, used for falling the baffle 3 into the locking block sink 4-1 in the process of counterclockwise rotating the knob 2 to close the hatch door, and used for separating the baffle 3 from the locking block slide rail 4-2 in the process of clockwise rotating the knob 2 to open the hatch door.
[0015] Further, the hatch 1 is further provided with a limiting gap 1-1, used for limiting the stroke of the knob 2 when the knob 2 is rotated clockwise.
[0016] Further, the panel 6 is provided with a limiting block 6-1, used for limiting the limit angle of the hatch door.
[0017] The data card hatch door knob switch limiting structure provided by the utility model is composed of a hatch door, a knob, a baffle, a locking block, a spring, a panel, a rotating shaft and a sealing strip, and the data card is designed to be separated from the knob, the baffle is driven by pressing the rotating knob to realize the opening and closing and limiting of the hatch door and the electromagnetic sealing of the data card. Compared with the prior art, the utility model has the advantages (advantages) that: 1, a new eccentric locking mode is applied to realize the quick opening and closing of the data card hatch door; 2, the electromagnetic sealing of the data card and the knob is designed to be separated, and the anti-corrosion effect is better; 3, the data card hatch door switch, the electromagnetic sealing, the anti-corrosion, the hatch door opening and closing limiting are combined, and the design is more in line with the man-machine efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 A data card hatch door knob switch limiting structure schematic view is provided for the utility model embodiment;
[0019] Figure 2 A hatch door internal structure schematic view of a data card hatch door knob switch limiting structure is provided for the utility model embodiment;
[0020] Figure 3 A locking block schematic view of a data card hatch door knob switch limiting structure is provided for the utility model embodiment;
[0021] Figure 4 A hatch door opening limit state schematic view is provided for the utility model embodiment;
[0022] Figure 5 A hatch door sealing separation design schematic view of a data card hatch door knob switch limiting structure is provided for the utility model embodiment. DETAILED DESCRIPTION
[0023] The utility model will be further described in detail in combination with the drawings and specific embodiments:
[0024] The switch limiting structure comprises: a hatch door 1, a knob 2, a baffle 3, a locking pressing block 4, a spring 5, a panel 6, and a rotating shaft 7. Figure 1 、 Figure 2 、 Figure 3
[0025] The switch limiting structure comprises: a hatch door 1, a knob 2, a baffle 3, a locking pressing block 4, a spring 5, a panel 6, and a rotating shaft 7.
[0026] The hatch door 1 is provided with a metal partition plate 1-4, which divides the hatch door into a data card cabin 1-3 and a knob cabin 1-4.
[0027] The spring 5 is arranged on the screw rod of the knob 2, the bottom of the screw rod of the knob 2 is provided with a through hole, the baffle 3 is inserted into the bottom of the knob 2 through the through hole, and the baffle 3 is fixedly connected to the bottom of the knob 2 by means of riveting, and the initial direction of the baffle 3 is consistent with the direction of the baffle mark 2-1 arranged on the upper surface of the knob.
[0028] The switch limiting structure further comprises a sealing strip 8, and the side wall of the data card cabin 1-3 is provided with a sealing groove for filling the sealing strip 8.
[0029] The screw rod of the knob 2 is provided with a limiting boss 2-2, when the knob 2 is pressed, the limiting boss 2-2 is attached to the upper surface of the hatch door 1, and the limiting boss 2-2 is used for limiting the pressing stroke of the knob 2.
[0030] The locking pressing block 4 is provided with a locking pressing block sink 4-1 and a locking pressing block sliding rail 4-2, the locking pressing block sink 4-1 and the locking pressing block sliding rail 4-2 are in communication and have an L-shaped structure, the baffle 3 falls into the locking pressing block sink 4-1 during counterclockwise rotation of the knob 2 to close the hatch door, and the baffle 3 is separated from the locking pressing block sliding rail 4-2 during clockwise rotation of the knob 2 to open the hatch door.
[0031] The hatch door 1 is further provided with a limiting notch 1-1, which is used for limiting the stroke of the knob 2 when the knob 2 is rotated clockwise.
[0032] The panel 6 is provided with a limiting block 6-1, which is used for limiting the limit angle of the hatch door opening.
[0033] Assembly method description: First, put the spring 5 into the knob 2, and press them together into the hatch 1, fix the hatch 1 so that it does not displace, put the baffle 3 into the bottom of the knob 2, and keep the baffle 3 consistent with the baffle mark 2-1, then expand the rivet at the bottom of the knob 2, and fasten it with the baffle 3; secondly, the just assembled components are assembled together with the panel 6 through interference fit by the shaft 7; then the locking block 4 is fastened with the panel 6 through screw according to the position relationship shown in the figure; finally, the sealing strip 8 is filled into the sealing groove of the hatch 1 to complete the overall assembly. Figure 1
[0034] The baffle mark 2-1 is consistent with the direction of the baffle 3, and the hatch 1 closing process needs to press the knob 2 to compress the spring 5 so that the limiting boss 2-2 is in contact with the upper surface of the hatch, and the knob is rotated counterclockwise by 90° to make the baffle 3 rotate to the locking block sunken platform 4-1, and the spring 5 is reset to make the baffle 3 fall into the locking block sunken platform 4-1 to realize the closure of the hatch 1; the hatch 1 opening process, similarly, needs to press the knob 2 to compress the spring 5 so that the limiting boss 2-2 is in contact with the upper surface of the hatch, at this time the baffle 3 is out of the locking block sunken platform 4-1, the knob 2 is rotated clockwise to the limiting gap 1-1, the baffle 3 is out of the locking block slide rail 4-2, and the knob 2 is pulled to open the hatch 1.
[0035] Figure 4 The hatch 1 is in the limit state of opening. After the hatch 1 is opened, the knob 2 is pulled, and the hatch 1 makes opening and closing movement around the shaft 7, when the hatch 1 is opened to the limit position, the hatch 1 contacts with the limiting block 6-1, the hatch 1 cannot be continuously opened, and reaches the limit position as shown in the figure, realizing the limiting of the opening angle of the hatch 1.
[0036] Figure 5 The hatch 1 is designed as a sealed cabin. The whole hatch is designed as a sealed cabin, which is divided into a data card cabin 1-3 and a knob cabin 1-4 by a metal partition 1-4, a sealing groove is made on the side wall of the data card cabin, and a sealing strip 8 is filled to realize the electromagnetic sealing and corrosion prevention design of the whole structure.
[0037] The limiting boss of the knob can limit the pressing stroke of the knob, the baffle mark is to make the position of the switch hatch baffle more intuitive, and the hatch limiting gap can effectively limit the free rotation of the baffle, which is more conducive to human-computer interaction.
[0038] The utility model discloses technical scheme realizes the opening and closing of data card cabin door through eccentric locking mode, and realizes the 90 degree limit of knob through the cooperation of locking pressure block and baffle, the utility model has sealed, prevents the design of metal corrosion, and a circle sealing groove is arranged on the cabin door, and double-peak sealing strip is assembled, the inner circle can prevent electromagnetic penetration, and the outer circle can seal, prevents the entry of external corrosive substances into the equipment interior, the utility model passes through the screw and fixes the locking pressure block on the panel, and after the spring is compressed and installed into the knob, the whole is installed into the cabin door knob hole, and then the tail of rivet knob is turned to fix the baffle, realizes the structure design of the opening and closing part of cabin door.
Claims
1. A data card cabin door knob switch limiting structure, characterized in that, The switch limiting structure comprises a hatch (1), a knob (2), a baffle (3), a locking block (4), a spring (5), a panel (6), and a pivot (7); A metal partition (1-4) is arranged on the hatch (1), which divides the hatch into a data card cabin (1-3) and a knob cabin (1-4); the knob (2) is arranged on the knob cabin (1-4); The spring (5) is arranged on the screw rod of the knob (2), the bottom of the screw rod of the knob (2) is provided with a through hole, the baffle (3) passes through the through hole and is arranged in the bottom of the knob (2), the baffle (3) is fixed to the bottom of the knob (2) by means of riveting, and the initial direction of the baffle (3) is consistent with the direction of the baffle mark (2-1) arranged on the upper surface of the knob; the locking block (4) is fastened to the panel (6) by means of a screw, and cooperates with the baffle (3); one end of the hatch (1) is fixed to the panel (6) by means of the pivot (7).
2. The data card door knob switch limit structure of claim 1, wherein, The switch limiting structure further comprises a sealing strip (8); The side wall of the data card cabin (1-3) is provided with a sealing groove for filling the sealing strip (8).
3. The data card cabin door knob switch limiting structure according to claim 1, wherein A limiting boss (2-2) is arranged on the screw rod of the knob (2), when the knob (2) is pressed, the limiting boss (2-2) is attached to the upper surface of the hatch (1), and the limiting boss (2-2) is used for limiting the pressing stroke of the knob (2).
4. The data card cabin door knob switch limiting structure according to claim 1, wherein The locking block (4) is provided with a locking block sunken platform (4-1) and a locking block sliding rail (4-2); the locking block sunken platform (4-1) and the locking block sliding rail (4-2) are in the form of an L-shaped structure in communication, which is used for falling the baffle (3) into the locking block sunken platform (4-1) during counterclockwise rotation of the knob (2) to close the hatch, and is used for making the baffle (3) escape from the locking block sliding rail (4-2) during clockwise rotation of the knob (2) to open the hatch.
5. The data card cabin door knob switch limiting structure according to claim 4, wherein The hatch (1) is further provided with a limiting notch (1-1) for limiting the stroke of the knob (2) during clockwise rotation of the knob (2).
6. The data card cabin door knob switch limiting structure according to claim 1, wherein The panel (6) is provided with a limiting block (6-1) for limiting the limit angle of opening of the hatch.