CN211059153U - Push-button spring lock - Google Patents
Push-button spring lock Download PDFInfo
- Publication number
- CN211059153U CN211059153U CN201921520468.8U CN201921520468U CN211059153U CN 211059153 U CN211059153 U CN 211059153U CN 201921520468 U CN201921520468 U CN 201921520468U CN 211059153 U CN211059153 U CN 211059153U
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- Prior art keywords
- inner sleeve
- cylindrical surface
- button
- collision bead
- clamping groove
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Abstract
The utility model provides a button type spring lock, which comprises an outer sleeve and a locking mechanism; the locking mechanism comprises an inner sleeve, a top column, a collision bead, a spring, a button and a plate insert; the lower end of the inner sleeve is fixedly connected with the plate insert in a clamping manner; the outer wall of the plate insert is provided with an external thread for assembling the fixed piece; the top column is arranged inside the inner sleeve. In a locking state, the collision bead is embedded into the clamping groove under the pressing of the large cylindrical surface; in an unlocking state, the collision bead slides into a gap between the inner sleeve and the small cylindrical surface, and then is separated from the clamping groove. The structure of the rapid-dismounting device is safe and reliable, the interior trimming plate can be rapidly opened and locked or the opening cover can be maintained, the rapid-dismounting function can be realized, and the rapid-dismounting device is convenient to mount and maintain an airplane.
Description
Technical Field
The utility model belongs to the technical field of the aviation interior trim, concretely relates to button spring lock.
Background
Interior trim panels need to be removed from an aircraft for regular maintenance of the onboard equipment, and need to be replaced when a defect occurs. In the prior art, the interior trim panel is generally installed in a fixing mode such as bolt bolting mode, and the problem that the interior trim panel is inconvenient to install and disassemble is solved.
SUMMERY OF THE UTILITY MODEL
The utility model provides a button type spring lock can effectively solve above-mentioned problem to the defect that prior art exists.
The utility model adopts the technical scheme as follows:
the utility model provides a button type spring lock, which comprises an outer sleeve (100) and a locking mechanism (200); the locking mechanism (200) comprises an inner sleeve (201), a top column (202), a collision bead (203), a spring (204), a button (205) and a plate insert (206);
the outer sleeve (100) is of a hollow cavity structure, the lower end of the outer sleeve is opened, and the outer sleeve (100) is fixedly suspended on a fixed beam positioned above the fixed piece (300); a plurality of clamping grooves (101) are formed in the inner wall of the outer sleeve (100) close to the upper part along the circumferential direction;
the inner sleeve (201) is of a cylindrical structure with openings at two ends, and a plurality of circular through holes (2011) matched with the collision beads (203) are formed in the upper part of the inner sleeve (201) along the circumferential direction; when in a locking state, the circular through hole (2011) of the inner sleeve (201) is flush with the clamping groove (101);
the lower end of the inner sleeve (201) is fixedly connected with the plate insert (206) in a clamping manner; the outer wall of the plate insert (206) is provided with an external thread (2061) for assembling the fixed piece (300); the top column (202) is arranged in the inner sleeve (201), the top of the top column (202) is a large cylindrical surface (2021), and the lower part of the large cylindrical surface (2021) is connected with a small cylindrical surface (2023) through an inclined transition surface (2022); wherein, the horizontal distance from the large cylindrical surface (2021) to the bottom surface of the clamping groove (101) is equal to the diameter of the collision bead (203); the horizontal distance from the small cylindrical surface (2023) to the top surface of the clamping groove (101) is equal to the diameter of the collision bead (203); in a locking state, the collision bead (203) is pressed by the large cylindrical surface (2021) and is embedded into the clamping groove (101); in an unlocking state, the collision bead (203) slides into a gap between the inner sleeve (201) and the small cylindrical surface (2023) and then is separated from the clamping groove (101);
the bottom of the top column (202) extends to the outside of the inner sleeve (201), and the button (205) is fixed at the bottom of the top column (202); the spring (204) is arranged between the button (205) and the bottom of the inner sleeve (201).
Preferably, on top of the plate insert (206), a plate insert gasket (207) is also mounted.
Preferably, a button gasket (208) is further installed outside the button (205).
Preferably, the top pillar (202) comprises an upper top pillar (2024), a lower top pillar (2025) and an inserting pillar (2026) for connecting and fixing the upper top pillar (2024) and the lower top pillar (2025).
The utility model provides a push button spring lock has following advantage:
the structure of the rapid-dismounting device is safe and reliable, the interior trimming plate can be rapidly opened and locked or the opening cover can be maintained, the rapid-dismounting function can be realized, and the rapid-dismounting device is convenient to mount and maintain an airplane.
Drawings
FIG. 1 is a perspective view of a push button latch;
FIG. 2 is a cross-sectional view of the push button latch;
FIG. 3 is a perspective view of the push button spring lock in an unlocked condition;
FIG. 4 is a schematic view of the outer sleeve and the locking mechanism in a disengaged state;
FIG. 5 is an assembly view of a portion of the components of the push button latch;
FIG. 6 is an assembly view of a portion of the components of the locking mechanism;
FIG. 7 is an assembly view of the top post, spring and button;
fig. 8 is a structural view of the inner sleeve.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to further explain the present invention in detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
The utility model provides a button spring lock can use the quick detach quick-release of plaque in the aerospace plane to unload, when providing safe and reliable's fixed mode, and to a great extent has reduced the time of opening and locking of plaque again. The maintenance cover or the interior trim panel to be detached can be opened conveniently and quickly when the maintenance cover or the interior trim panel to be detached is opened and closed only by pressing the button; when the button is closed, the maintenance opening cover or the interior trim panel is pushed upwards, and the inner sleeve of the button is inserted into the outer sleeve and locked. Therefore, this application structure safe and reliable can open fast and lock interior plaque or maintain the flap, realizes quick detach quick-release function, makes things convenient for the installation and carries out aircraft maintenance.
Referring to fig. 1-8, a push button latch includes an outer housing 100 and a locking mechanism 200; wherein, the locking mechanism 200 comprises an inner sleeve 201, a top column 202, a collision bead 203, a spring 204, a button 205 and a plate insert 206;
the outer sleeve 100 is a hollow cavity structure, the lower end of the outer sleeve is opened, and the outer sleeve 100 is fixed on a fixed beam above the fixed piece 300 in a hanging manner; the fixed member 300 may be an interior trim panel or a maintenance flap. A plurality of clamping grooves 101 are formed in the inner wall of the outer sleeve 100 close to the upper part along the circumferential direction;
referring to fig. 8, the inner sleeve 201 is a cylindrical structure with two open ends, and a plurality of circular through holes 2011 matched with the collision beads 203 are formed in the upper part of the inner sleeve 201 along the circumferential direction; in the locked state, the circular through hole 2011 of the inner sleeve 201 is flush with the clamping groove 101; in the unlocked state, the collision bead 203 is located in the circular through hole 2011 of the inner sleeve 201, but does not separate from the circular through hole 2011, and during actual design, the diameter of the circular through hole 2011 can be slightly smaller than that of the collision bead 203.
The lower end of the inner sleeve 201 is fixedly connected with the plate insert 206 in a clamping manner; the outer wall of the plate insert 206 is provided with an external thread 2061 for assembling the fixed member 300; the top pillar 202 is disposed inside the inner housing 201, and in practical applications, the top pillar 202 includes an upper top pillar 2024, a lower top pillar 2025, and an inserting pillar 2026 for connecting and fixing the upper top pillar 2024 and the lower top pillar 2025.
The top of the top column 202 is a large cylindrical surface 2021, and the lower part of the large cylindrical surface 2021 is connected with a small cylindrical surface 2023 through an oblique transition surface 2022; wherein, the horizontal distance from the large cylindrical surface 2021 to the bottom surface of the clamping groove 101 is equal to the diameter of the collision bead 203; the horizontal distance from the small cylindrical surface 2023 to the top surface of the clamping groove 101 is equal to the diameter of the collision bead 203; in a locking state, the collision bead 203 is embedded into the clamping groove 101 under the pressing of the large cylindrical surface 2021; in an unlocking state, the collision bead 203 slides into the gap between the inner sleeve 201 and the small cylindrical surface 2023, and then is separated from the clamping groove 101;
the bottom of the top column 202 extends to the outside of the inner sleeve 201, and a button 205 is fixed at the bottom of the top column 202; a spring 204 is installed between the button 205 and the bottom of the inner housing 201. A button pad 208 is also installed outside the button 205. On top of the plate insert 206, a plate insert pad 207 is also mounted for cushioning contact forces between the plate insert 206 and the outer shell 100.
The utility model provides a use principle of button spring lock does:
(1) the plate insert can be in threaded connection with the interior trim plate, and the outer sleeve is fixed on the framework section bar above the interior trim plate.
When the push button type spring lock is in a locking state, the state is shown in fig. 2. At this time, the button is in a normal state, the spring 204 pulls the top pillar 202 downward, so that the large cylindrical surface 2021 of the top pillar 202 contacts the collision bead 203, and the collision bead 203 moves outward and is clamped into the clamping groove 101 of the casing 100 under the pressing action of the large cylindrical surface 2021 of the top pillar 202. The outer sleeve 100 and the locking mechanism 200 are connected and fixed by the action of the collision bead 203, and thus the locking state is realized.
(2) When the interior trim panel needs to be detached, the interior trim panel and the locking mechanism 200 are fixed, so that in the application, the whole formed by the interior trim panel and the locking mechanism 200 can be detached from the outer sleeve 100 only by detaching the locking mechanism 200 from the outer sleeve 100, and finally the detachment of the interior trim panel is realized.
The specific disassembly process is as follows: pressing the button upward, causing the button to move upward against the force of the spring 204; when the button moves upward, the top column 202 is pushed to move upward synchronously, so that when the small cylindrical surface 2023 of the top column 202 moves to the position with the same height as the collision bead 203, the collision bead 203 can be separated from the clamping groove 101 and slide into the gap outside the small cylindrical surface 2023 to avoid the clamping groove of the outer sleeve, and the state shown in fig. 3 is formed; at this point, the entire latch mechanism 200 is pulled downward to disengage the latch mechanism 200 from the housing, and the button is released, resulting in the state shown in FIG. 4. The unlocking movement is completed at the moment, and the interior trim panel or the opening cover can be opened for overhauling or maintaining;
when the locking is needed, the interior trim panel or the opening cover is pushed upwards only by pressing the button, when the inner sleeve is inserted into the outer sleeve, the button is released, the jack post is pulled by the spring, the collision bead is extruded into the clamping groove of the outer sleeve, and the locking of the interior trim panel or the maintenance opening cover is completed.
The development of the button lock can be applied to quick disassembly and quick disassembly of the interior trimming plate of the aerospace plane, a safe and reliable fixing mode is provided, and meanwhile the time for opening and locking the interior trimming plate is reduced to a great extent. The maintenance cover or the interior trim panel to be detached can be opened conveniently and quickly when the maintenance cover or the interior trim panel to be detached is opened and closed only by pressing the button; when the button is closed, the maintenance opening cover or the interior trim panel is pushed upwards, and the inner sleeve of the button is inserted into the outer sleeve and locked.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be viewed as the protection scope of the present invention.
Claims (4)
1. A push button latch comprising an outer casing (100) and a locking mechanism (200); the locking mechanism (200) comprises an inner sleeve (201), a top column (202), a collision bead (203), a spring (204), a button (205) and a plate insert (206);
the outer sleeve (100) is of a hollow cavity structure, the lower end of the outer sleeve is opened, and the outer sleeve (100) is fixedly suspended on a fixed beam positioned above the fixed piece (300); a plurality of clamping grooves (101) are formed in the inner wall of the outer sleeve (100) close to the upper part along the circumferential direction;
the inner sleeve (201) is of a cylindrical structure with openings at two ends, and a plurality of circular through holes (2011) matched with the collision beads (203) are formed in the upper part of the inner sleeve (201) along the circumferential direction; when in a locking state, the circular through hole (2011) of the inner sleeve (201) is flush with the clamping groove (101);
the lower end of the inner sleeve (201) is fixedly connected with the plate insert (206) in a clamping manner; the outer wall of the plate insert (206) is provided with an external thread (2061) for assembling the fixed piece (300); the top column (202) is arranged in the inner sleeve (201), the top of the top column (202) is a large cylindrical surface (2021), and the lower part of the large cylindrical surface (2021) is connected with a small cylindrical surface (2023) through an inclined transition surface (2022); wherein, the horizontal distance from the large cylindrical surface (2021) to the bottom surface of the clamping groove (101) is equal to the diameter of the collision bead (203); the horizontal distance from the small cylindrical surface (2023) to the top surface of the clamping groove (101) is equal to the diameter of the collision bead (203); in a locking state, the collision bead (203) is pressed by the large cylindrical surface (2021) and is embedded into the clamping groove (101); in an unlocking state, the collision bead (203) slides into a gap between the inner sleeve (201) and the small cylindrical surface (2023) and then is separated from the clamping groove (101);
the bottom of the top column (202) extends to the outside of the inner sleeve (201), and the button (205) is fixed at the bottom of the top column (202); the spring (204) is arranged between the button (205) and the bottom of the inner sleeve (201).
2. A push button latch as claimed in claim 1, characterized in that on top of the plate insert (206) a plate insert shim (207) is also mounted.
3. Push button latch according to claim 1, characterized in that a button washer (208) is also mounted on the outside of the push button (205).
4. Push button latch according to claim 1, characterized in that the top post (202) comprises an upper top post (2024), a lower top post (2025) and a plug post (2026) for connecting and fixing the upper top post (2024) and the lower top post (2025).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921520468.8U CN211059153U (en) | 2019-09-12 | 2019-09-12 | Push-button spring lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921520468.8U CN211059153U (en) | 2019-09-12 | 2019-09-12 | Push-button spring lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211059153U true CN211059153U (en) | 2020-07-21 |
Family
ID=71592709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921520468.8U Active CN211059153U (en) | 2019-09-12 | 2019-09-12 | Push-button spring lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211059153U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114165509A (en) * | 2022-01-18 | 2022-03-11 | 北京安达维尔航空设备有限公司 | Spring bolt structure for mounting interior trim panel of airplane |
-
2019
- 2019-09-12 CN CN201921520468.8U patent/CN211059153U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114165509A (en) * | 2022-01-18 | 2022-03-11 | 北京安达维尔航空设备有限公司 | Spring bolt structure for mounting interior trim panel of airplane |
| CN114165509B (en) * | 2022-01-18 | 2023-05-23 | 北京安达维尔航空设备有限公司 | Spring bolt structure for mounting aircraft interior trim panel |
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