CN211970472U - Container stopping claw of cargo aircraft cabin door - Google Patents
Container stopping claw of cargo aircraft cabin door Download PDFInfo
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- CN211970472U CN211970472U CN202020197451.XU CN202020197451U CN211970472U CN 211970472 U CN211970472 U CN 211970472U CN 202020197451 U CN202020197451 U CN 202020197451U CN 211970472 U CN211970472 U CN 211970472U
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- connecting block
- base
- lock catch
- pin
- cargo aircraft
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Abstract
A container stopping claw of a cargo aircraft cabin door comprises a base, a connecting block, a lock catch and a torsion spring, wherein the top surface of the base is provided with a mounting groove matched with the connecting block, the rear side of the connecting block is horizontally provided with a short pin rotatably connected with the base, and the connecting block is vertically and rotatably arranged in the mounting groove of the base by taking the short pin as a rotating shaft; the front side of connecting block is the U-shaped structure, and the hasp sets up between two arms of U-shaped structure, still is connected with the long round pin that the level set up between two arms of U-shaped structure, but hasp vertical pivoted cover connect on long round pin, and the torsional spring sets up on long round pin and exerts elastic tension in the hasp to make the hasp vertically expand under the elastic tension of torsional spring, when the vertical expansion of hasp, the lower part of detaining is inconsistent with the base. The utility model discloses a cargo aircraft hatch door container backstop jack catch is many connecting rod structures, thereby but by the sensitive unblock of external force pressure trigger, has not only guaranteed the product in time to trigger the unblock when needs, prevents the trend that the container hit the door, simple structure moreover, the practicality is strong.
Description
Technical Field
The utility model relates to a spare part for the aircraft, concretely relates to cargo aircraft hatch door container backstop jack catch.
Background
The container stopping claw of the freight aircraft door is a one-way limiting locking mechanism for preventing the door frame of the door from being damaged by the back-fleeing collision of the container in the loading and unloading process of the container.
At present, a stop claw adopted by a cargo aircraft door container of a cargo aircraft (such as a Boeing series cargo aircraft) is a consumable part, so that the load is heavy, the abrasion is easy, and a large amount of replacement is needed; and original products are mainly supplied by American manufacturers, and the product price is high and the supply period is long.
Therefore, in order to improve the safety performance of the aircraft, a stop claw which has the similar function as the original claw, is lighter in weight, more wear-resistant and lower in cost is needed.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the above-mentioned problem that prior art exists, provide a cargo airplane hatch door container backstop jack catch to it is great to be used for replacing current aircraft and upload, easy wearing and tearing, the backstop jack catch that needs a large amount of changes.
In order to achieve the purpose, the utility model provides a freight aircraft hatch door container backstop jack catch, which comprises a base, a connecting block, a lock catch and a torsion spring, wherein the top surface of the base is provided with a mounting groove matched with the connecting block, the rear side of the connecting block is horizontally provided with a short pin rotatably connected with the base, and the connecting block is vertically and rotatably arranged in the mounting groove of the base by taking the short pin as a rotating shaft; the front side of the connecting block is of a U-shaped structure, the lock catch is arranged between two arms of the U-shaped structure, a horizontally arranged long pin is further connected between the two arms of the U-shaped structure, the lock catch can be vertically and rotatably sleeved on the long pin, the torsion spring is arranged on the long pin and applies elastic tension to the lock catch, so that the lock catch can be vertically unfolded under the elastic tension of the torsion spring, and when the lock catch is vertically unfolded, the lower part of the lock catch is abutted to the base; the both sides of hasp are equipped with bellied reference column, two arm inboards of U-shaped structure be equipped with the location aperture of location post clamping fit works as the hasp is under the exogenic action and overcomes the elastic tension of torsional spring is impressed when between two arms of U-shaped structure, the reference column joint in the location aperture.
As a further preferred technical scheme of the utility model, the bottom surface threaded connection of base has the lower margin double-screw bolt, the lower margin double-screw bolt be used for with the cooperation of the guide rail joint on the aircraft floor.
As a further preferred technical scheme of the utility model, the middle part of base is equipped with the vertical screw that runs through, threaded connection has the double-screw bolt in the screw, the double-screw bolt is used for downward inconsistent in order to lock freight transportation aircraft hatch door container backstop jack catch on the guide rail on aircraft floor with the guide rail on the aircraft floor.
As a further preferred technical scheme of the utility model, the rear side edge of connecting block can with the base is contradicted, thereby the restriction the connecting block is in turned angle on the base, on the base with the inconsistent region of connecting block is equipped with the abrasionproof steel sheet.
As a further preferred technical scheme of the utility model, the connecting block is in wind on the base cotter pivoted contained angle is less than 30 degrees.
As a further preferred technical scheme of the utility model, the position of installation short round pin and long round pin is equipped with first elasticity cylindric lock and second elasticity cylindric lock respectively on the connecting block, the short round pin through first elasticity cylindric lock with the connecting block is fixed, the long round pin through second elasticity cylindric lock with the connecting block is fixed.
As a further preferred technical scheme of the utility model, the torsion spring cup joint in the middle section of long round pin, the hasp with the regional reservation that the torsional spring corresponds has the groove of dodging, be equipped with third elasticity cylindric lock on the long round pin, the one end torque arm of hasp passes through third elasticity cylindric lock is fixed in on the long round pin, the other end torque arm of hasp with hasp elasticity is contradicted.
As a further preferred technical scheme of the utility model, the reference column pass through threaded connection and bury underground in the left and right sides of hasp, the head protrusion of reference column the surface of hasp, the protrusion height is 0.5-1mm, the head of reference column with the cooperation of location aperture joint.
The utility model discloses a cargo aircraft hatch door container backstop jack catch, through adopting above-mentioned technical scheme, make it be many connecting rods structure, trigger by external force pressure and thus can sensitively unblock, guarantee the product and trigger the unblock in time when needing, prevent the trend that the container hit the door; moreover, the structure is simple, the practicability is high, the cost reduction and weight reduction development design of the stop claw parts is realized, and the structure weight is reduced under the performance condition of ensuring the safety strength to the maximum extent.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a top view of a cargo aircraft door container stop dog of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1;
FIG. 4 is a cross-sectional view taken at C-C of FIG. 3;
figure 5 is a perspective view of the cargo aircraft door container stop dog in an extended state;
FIG. 6 is a side view of FIG. 5;
figure 7 is a perspective view of a cargo aircraft door container stop dog in a stowed condition;
fig. 8 is a side view of fig. 7.
In the figure: 1. a positioning column; 2. a ground stud; 3. a second elastic cylindrical pin; 4. locking; 5. a base; 6. A long pin; 7. connecting blocks; 8. a stud; 9. a first elastic cylindrical pin; 10. a short pin; 11. positioning the small hole; 12. A third elastic cylindrical pin; 13. a torsion spring.
The purpose of the present invention is to provide a novel and improved method and apparatus for operating a computer.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description. In the preferred embodiments, the terms "upper", "lower", "left", "right", "middle" and "a" are used for the sake of clarity only, and are not intended to limit the scope of the invention, its relative relationship between the terms and their derivatives, and the scope of the invention should be understood as being limited by the claims.
As shown in fig. 1 to 8, the present invention provides a container stopping claw for cargo aircraft hatch, which is installed on the aircraft floor to stop the loaded and unloaded container to prevent the container from returning and colliding to damage the door frame of the hatch, and comprises a base 5, a connecting block 7, a lock catch 4 and a torsion spring 13, wherein the base 5 is used for being installed and connected with the aircraft floor, normally, the surface of the base 5 is flush with the aircraft floor, the top surface of the base 5 is provided with a mounting groove adapted to the connecting block 7, the rear side of the connecting block 7 is horizontally provided with a short pin 10 rotatably connected with the base 5, and the connecting block 7 is vertically rotatably installed in the mounting groove of the base 5 by using the short pin 10 as a rotating shaft; the front side of the connecting block 7 is of a U-shaped structure, the lock catch 4 is arranged between two arms of the U-shaped structure, a horizontally arranged long pin 6 is further connected between the two arms of the U-shaped structure, the lock catch 4 can be vertically and rotatably sleeved on the long pin 6, the torsion spring 13 is arranged on the long pin 6 and applies elastic tension to the lock catch 4, so that the lock catch 4 vertically expands under the elastic tension of the torsion spring 13, when the lock catch 4 vertically expands, the lower part of the lock catch 4 is abutted to the base 5, and the vertical surface of the front side of the lock catch 4 is a stopping surface for mechanically stopping the container; the both sides of hasp 4 are equipped with bellied reference column 1, two arm inboards of U-shaped structure be equipped with 1 chucking complex location aperture 11 of reference column, work as hasp 4 is under the exogenic action and overcome torsional spring 13's elastic tension is impressed during between two arms of U-shaped structure, reference column 1 joint in location aperture 11, at this moment, hasp 4 is accomodate in the U-shaped groove of the U-shaped structure of connecting block 7 completely.
The bottom surface threaded connection of base 5 has rag stud 2, rag stud 2 is used for cooperating with the guide rail joint on the aircraft floor (being the freight house floor of aircraft), the middle part of base 5 is equipped with the vertical screw that runs through, threaded connection has double-screw bolt 8 in the screw, double-screw bolt 8 is used for down and the guide rail on the aircraft floor inconsistent in order to lock freight transportation aircraft hatch door container backstop jack catch on the guide rail on the aircraft floor. When the stop jack catch of the freight aircraft cabin door container is installed, the foundation stud 2 is firstly clamped on a plate guide rail of an aircraft floor, and then the foundation stud 2 slides to a proper position and is locked and fixed through the adjusting stud 8.
In a specific implementation, when connecting block 7 rotates certain angle back around short round pin 10, the trailing edge of connecting block 7 can with base 5 contradicts, thereby the restriction connecting block 7 is in the turned angle on the base 5, base 5 go up with the region that connecting block 7 contradicts is equipped with the abrasionproof steel sheet, connecting block 7 is in wind on the base 5 short round pin 10 pivoted contained angle is less than 30 degrees.
As further shown in fig. 1-8, a first elastic cylindrical pin 9 and a second elastic cylindrical pin 3 are respectively disposed at positions where the short pin 10 and the long pin 6 are mounted on the connecting block 7, the short pin 10 is fixed to the connecting block 7 by the first elastic cylindrical pin 9, and the long pin 6 is fixed to the connecting block 7 by the second elastic cylindrical pin 3.
In specific implementation, the torsion spring 13 is connected to the middle section of the long pin 6 in a sleeved mode, the lock catch 4 and the area corresponding to the torsion spring 13 are reserved with an avoidance groove, the long pin 6 is provided with a third elastic cylindrical pin 12, one end torsion arm of the lock catch 4 is fixed on the long pin 6 through the third elastic cylindrical pin 12, and the other end torsion arm of the lock catch 4 is in elastic collision with the lock catch 4.
The positioning column 1 is connected with the left side and the right side of the lock catch 4 in a threaded mode and embedded in the left side and the right side of the lock catch 4, the head of the positioning column 1 protrudes out of the surface of the lock catch 4, the protruding height is 0.5-1mm, and the head of the positioning column 1 is in clamping fit with the positioning small hole 11.
When the cargo airplane hatch door container backstop claw of the utility model is used, when the lock catch 4 is in an open state, the foot is used to step on the convex lock catch 4, so that the lock catch 4 is pressed flat, the positioning column 1 is clamped into the positioning small hole 11 of the connecting block 7, the lock catch 4 can not be opened under the action of the torsion spring 13, the lock catch 4 is folded, and the folded state is shown in figures 7 and 8; the lock catch 4 is stepped by the foot, the positioning column 1 is separated from the positioning small hole 11 of the connecting block 7, the lock catch 4 is opened under the action of the torsion spring 13 after the foot is quickly retracted, and the opened state is shown in fig. 5 and 6. The positions stepped twice are the highest points of the lock catch 4 in the current state, and only the foot is needed to step on the lock catch 4 along with the force, so that the operation is not difficult, and the collection and the expansion of the lock catch 4 are easy to realize. When the lock catch 4 is opened, the stop surface is perpendicular to the floor of the airplane, so that the goods on the airplane are directly blocked.
The container stopping claw of the cargo aircraft cabin door has a multi-connecting-rod structure, can be triggered by external force pressure to be unlocked sensitively, and not only ensures that products are triggered to unlock in time when needed, but also prevents the container from colliding with the door; and the lock catch 4 can be folded up according to the requirement when goods are loaded and unloaded, thereby avoiding influencing the loading and unloading work.
Although specific embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that these are merely examples and that many changes and modifications may be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims.
Claims (8)
1. The container stopping claw of the cargo aircraft cabin door is characterized by comprising a base, a connecting block, a lock catch and a torsion spring, wherein the top surface of the base is provided with a mounting groove matched with the connecting block, the rear side of the connecting block is horizontally provided with a short pin rotatably connected with the base, and the connecting block is vertically and rotatably arranged in the mounting groove of the base by taking the short pin as a rotating shaft; the front side of the connecting block is of a U-shaped structure, the lock catch is arranged between two arms of the U-shaped structure, a horizontally arranged long pin is further connected between the two arms of the U-shaped structure, the lock catch can be vertically and rotatably sleeved on the long pin, the torsion spring is arranged on the long pin and applies elastic tension to the lock catch, so that the lock catch can be vertically unfolded under the elastic tension of the torsion spring, and when the lock catch is vertically unfolded, the lower part of the lock catch is abutted to the base; the both sides of hasp are equipped with bellied reference column, two arm inboards of U-shaped structure be equipped with the location aperture of location post clamping fit works as the hasp is under the exogenic action and overcomes the elastic tension of torsional spring is impressed when between two arms of U-shaped structure, the reference column joint in the location aperture.
2. The cargo aircraft door container stop dog according to claim 1, wherein a ground stud is threadedly connected to a bottom surface of the base, the ground stud being adapted to snap fit with a guide rail on an aircraft floor.
3. The cargo aircraft door container stop dog according to claim 2, wherein a vertically extending screw hole is provided in the middle of the base, and a stud is threaded into the screw hole and is adapted to abut down against a guide rail on the aircraft floor to lock the cargo aircraft door container stop dog to the guide rail on the aircraft floor.
4. The cargo aircraft door container stop dog according to claim 1, characterized in that the rear side edge of the connecting block can abut against the base, thereby limiting the angle of rotation of the connecting block on the base, and the area of the base abutting against the connecting block is provided with an anti-wear steel sheet.
5. The cargo aircraft door container stop dog according to claim 1, characterized in that the connecting block is turned on the base about the short pin by an angle of less than 30 degrees.
6. The cargo aircraft door container stop dog according to claim 1, characterized in that the connecting block is provided with a short pin and a long pin at positions where the short pin and the long pin are respectively installed, the short pin is fixed with the connecting block through the first elastic cylindrical pin, and the long pin is fixed with the connecting block through the second elastic cylindrical pin.
7. The cargo aircraft door container stopping jaw according to any one of claims 1 to 6, wherein the torsion spring is sleeved on the middle section of the long pin, an avoidance groove is reserved in a region of the lock catch corresponding to the torsion spring, a third elastic cylindrical pin is arranged on the long pin, one end torsion arm of the lock catch is fixed on the long pin through the third elastic cylindrical pin, and the other end torsion arm of the lock catch is elastically abutted against the lock catch.
8. The cargo aircraft door container stopping claw according to claim 7, wherein the positioning column is connected with and embedded at the left and right sides of the lock catch through threads, the head of the positioning column protrudes out of the surface of the lock catch, the protruding height is 0.5-1mm, and the head of the positioning column is in clamping fit with the positioning small hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020197451.XU CN211970472U (en) | 2020-02-22 | 2020-02-22 | Container stopping claw of cargo aircraft cabin door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020197451.XU CN211970472U (en) | 2020-02-22 | 2020-02-22 | Container stopping claw of cargo aircraft cabin door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211970472U true CN211970472U (en) | 2020-11-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020197451.XU Active CN211970472U (en) | 2020-02-22 | 2020-02-22 | Container stopping claw of cargo aircraft cabin door |
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| Country | Link |
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| CN (1) | CN211970472U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113859292A (en) * | 2021-10-11 | 2021-12-31 | 中山市科力高自动化设备有限公司 | Be applied to spacing buffer of high-speed railway freight transportation |
-
2020
- 2020-02-22 CN CN202020197451.XU patent/CN211970472U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113859292A (en) * | 2021-10-11 | 2021-12-31 | 中山市科力高自动化设备有限公司 | Be applied to spacing buffer of high-speed railway freight transportation |
| CN113859292B (en) * | 2021-10-11 | 2023-02-17 | 中山市科力高自动化设备有限公司 | Be applied to spacing buffer of high-speed railway freight transportation |
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