CN214532432U

CN214532432U - Aviation closed lock catch

Info

Publication number: CN214532432U
Application number: CN202023340485.9U
Authority: CN
Inventors: 储德宝; 祁飞; 李健; 贾志承; 高晶晶
Original assignee: Xi'an Huiteng Aviation Technology Co ltd
Current assignee: Xi'an Huiteng Aviation Technology Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-10-29
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses an aviation closed lock catch, which comprises a handle, a locking mechanism, a lock hook and a trigger; the handle is provided with a containing cavity, and the trigger is arranged in the containing cavity; the locking mechanism is hinged with the end part of the handle accommodating cavity, and a locking mechanism pin shaft is arranged on the side wall of the locking mechanism; the locking mechanism pin shaft is matched with the clamping groove on the trigger to lock and unlock the locking mechanism; the hinged joint is provided with an outer arm torsion spring for pushing the locking mechanism to automatically spring open when the locking mechanism is loosened; the latch hook is connected with the end part of the locking mechanism. The locking and the unlocking of the locking mechanism are realized through self opening and closing. The problem that no related product exists in the current market is solved, and the product can be applied to important parts such as an external nacelle of an aero-engine, an aircraft cabin door and the like.

Description

Aviation closed lock catch

Technical Field

The utility model belongs to the technical field of aerospace, a closed hasp of aviation is related to.

Background

The fastening and fixing products of the airplane and the engine, in particular to important parts such as an external nacelle of an aircraft engine, a cabin door of the airplane and the like. There is no related product of the closed lock catch, and the product is not convenient to fix and has no related self-locking function.

Therefore, it is urgently needed to design a closing and locking device which can be used for an external nacelle and an aircraft door of an aircraft engine.

SUMMERY OF THE UTILITY MODEL

In order to solve the inconvenient problem of the fixed product of fastening among the prior art, the utility model provides an aviation closed lock catch, this aviation closed lock catch open and shut with the dismouting of realizing the locking position, overhaul and the product of maintaining stable work through self of hasp to self has self-locking function.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an aviation closing lock catch comprises a handle, a locking mechanism, a lock hook and a trigger;

the handle is provided with a containing cavity, and the trigger is arranged in the containing cavity;

the locking mechanism is hinged with the end part of the handle accommodating cavity, and a locking mechanism pin shaft is arranged on the side wall of the locking mechanism; the locking mechanism pin shaft is matched with the clamping groove on the trigger to lock and unlock the locking mechanism; the hinged joint is provided with an outer arm torsion spring for pushing the locking mechanism to automatically spring open when the locking mechanism is loosened;

the latch hook is connected with the end part of the locking mechanism.

As a further improvement, the locking mechanism tip has the blind hole, and the tip outer wall is provided with the blind hole intercommunication and follows axial first spout, the latch hook tip is arranged in the blind hole, and on the latch hook tip through set up the pin with first spout is connected.

As a further improvement, the blind hole of the locking mechanism is provided with an adjusting nut, the end part of the lock hook comprises a rotating shaft and a screw rod which are movably connected with each other through a shaft, the pin is arranged in the rotating shaft, and the screw rod is connected with the adjusting nut through threads.

As a further improvement, the blind hole of the locking mechanism is provided with a steel ball and a compression spring, the compression spring is arranged in the mounting hole and elastically connected with the steel ball, and the steel ball is in contact with the end of the compression spring.

As a further improvement of the utility model, the locking mechanism is articulated through the bush axle with the handle holding chamber tip, is provided with trigger bush and round pin axle bush on the bush axle.

As a further improvement of the utility model, the handle holds intracavity lateral wall and still is provided with the second spout, and the second spout is provided with the bush, the bush pass through the chain link with the bush is connected.

As a further improvement of the utility model, the trigger is fixed in the handle through a clapboard and a trigger pin shaft; and a parallel double-torsion spring is arranged on the trigger pin shaft.

As a further improvement of the utility model, as the utility model discloses a further improvement, the handle inner wall is provided with the spacing rivet that is used for restricting the maximum rotation angle of locking mechanism.

As a further improvement, the locking mechanism pin shaft adopts knurling processing treatment, and the locking mechanism pin shaft is connected with the locking mechanism interference assembly.

As a further improvement, the trigger and the locking mechanism pin shaft are both provided with two, and two trigger settings are holding the chamber both sides, and two locking mechanism pin shafts are arranged on the two side walls of the locking mechanism.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses aviation closed lock catch belongs to the aerospace field, is used for fastening and fixing products of aircraft and engine, and is specifically hinged with the end part of the handle accommodating cavity through a locking mechanism, and the side wall of the locking mechanism is provided with a locking mechanism pin shaft; the locking mechanism pin shaft is matched with the clamping groove on the trigger to lock and unlock the locking mechanism; the hinged joint is provided with an outer arm torsion spring for pushing the locking mechanism to automatically spring open when the locking mechanism is loosened; the locking and the unlocking of the locking mechanism are realized through self opening and closing. The problem that no related product exists in the current market is solved, and the product can be applied to important parts such as an external nacelle of an aero-engine, an aircraft cabin door and the like.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1: an appearance drawing of the closed lock catch;

FIG. 2: structure diagram of the closed lock catch;

FIG. 3: a left view of the closure latch;

FIG. 4: fig. 3 is an internal structural view partially in section along the line a-a.

Wherein: 1-handle, 2-rivet, 3-locking mechanism, 4-locking mechanism pin shaft, 5-rivet, 6-locking hook, 7-chain ring, 8-bushing, 9-trigger, 10-clapboard, 11-trigger pin shaft, 12-outer arm torsion spring, 13-trigger bushing, 14-bushing, 15-pin shaft bushing, 16-adjusting nut, 17-steel ball, 18-compression spring and 19-parallel double-torsion spring.

Detailed Description

In order to make the purpose and technical scheme of the utility model clearer and more convenient to understand. The present invention will be described in further detail with reference to the following drawings and examples, wherein the specific examples are provided for the purpose of illustration only and are not intended to be limiting.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings and specific embodiments, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the scope of the present invention.

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

The closed lock catch comprises a handle 1, a rivet 2, a locking mechanism 3, a locking mechanism pin shaft 4, a pin 5, a lock hook 6, a chain ring 7, a bushing 8, a trigger 9, a partition plate 10, a trigger pin shaft 11, an outer arm torsion spring 12, a trigger bushing 13, a bushing 14, a pin shaft bushing 15, an adjusting nut 16, a steel ball 17, a compression spring 18, a parallel double-torsion spring 19 and the like. Through the cooperation of each spare part, make the hasp reach with the locking and unclamping of self opening and shutting in order to realize locking mechanism 3. The outer arm torsion spring 12 allows the latch to automatically spring open when released.

An aviation closure shackle, the appearance and shape of which is shown in figure 1. Comprises a handle 1, a locking mechanism 3, a latch hook 6 and a trigger 9; the handle 1 has a receiving cavity in which the trigger 9 is disposed;

the locking mechanism 3 is hinged with the end part of the accommodating cavity of the handle 1, and a locking mechanism pin shaft 4 is arranged on the side wall of the locking mechanism 3; the locking mechanism pin shaft 4 is matched with a clamping groove on the trigger 9 to lock and unlock the locking mechanism 3; the hinged joint is provided with an outer arm torsion spring 12 for pushing the locking mechanism 3 to automatically spring open when being loosened; the structure of the closed lock catch is shown in figure 2. The locking and the unlocking of the lock catch are realized through the trigger 9 and the locking mechanism pin shaft 4. The locking hook 6 is connected with the end part of the locking mechanism 3.

The handle 1 can make the lock catch save more labor when being locked, and plays a lever role.

The structure of each part of the closure catch, see fig. 2 to 4, is shown. The assembly method of the closing lock parts is shown in fig. 2 to 4. The end part of the locking mechanism 3 is provided with a blind hole, the outer wall of the end part is provided with a first sliding groove 20 communicated with the blind hole and along the axial direction, the end part of the locking hook 6 is arranged in the blind hole, and the end part of the locking hook 6 is connected with the first sliding groove 20 through a pin 5. The locking mechanism 3, the adjusting nut 16 and the locking hook 6 are used for realizing that the lock catch can be adjusted along the length direction. The pin 5 and the locking mechanism 3 act to enable the locking hook 6 to move along a straight line.

An adjusting nut 16 is arranged in a blind hole of the locking mechanism 3, the end part of the locking hook 6 comprises a rotating shaft 21 and a screw rod 22 which are movably coupled, the pin 5 is arranged on the rotating shaft 21, and the screw rod 22 is in threaded connection with the adjusting nut 16.

And a steel ball 17 and a compression spring 18 are further arranged in the blind hole of the locking mechanism 3, the compression spring 18 is arranged in the mounting hole and is elastically connected with the steel ball 17, and the steel ball 17 is in contact with the end part of the compression spring 18. The compression spring 18 and the steel ball 17 simultaneously act on the adjusting nut 16, so that the adjusting nut 16 can adjust the locking hook 6 to move along a straight line or be locked.

The adjusted length can be locked by adjusting the nut 16, the steel ball 17 and the compression spring 18.

The connecting structure and mutual position relationship of the closing lock parts are shown in fig. 2 and 4. The locking mechanism 3 is hinged with the end part of the accommodating cavity of the handle 1 through a lining shaft 14, and a trigger bushing 13 and a pin shaft bushing 15 are arranged on the lining shaft 14. The inner side wall of the accommodating cavity of the handle 1 is also provided with a second sliding chute 23, the second sliding chute 23 is provided with a bushing 8, and the bushing 8 is connected with the bushing 14 through a chain ring 7. The link 7 may connect the bushing 8 and the locking mechanism 3 together, greatly increasing the tensile strength of the bushing.

In a preferred embodiment, the trigger 9 is fixed in the handle 1 through a partition 10 and a trigger pin 11; a parallel double-torsion spring 19 is arranged on the trigger pin shaft 11.

As a preferred embodiment, the inner wall of the handle 1 is provided with a limit rivet 2-1 for limiting the maximum rotation angle of the locking mechanism 3. The limit rivet 2-1 can stop the locking mechanism 3 when rotating to 90 degrees, so as to play a positioning role.

In a preferred embodiment, the locking mechanism pin shaft 4 is processed by knurling, and the locking mechanism pin shaft 4 is connected with the locking mechanism 3 in an interference fit manner. The locking mechanism pin shaft 4 is in interference fit with the locking mechanism 3 by adopting a knurling process.

In a preferred embodiment, two triggers 9 and two locking mechanism pins 4 are arranged, two triggers 9 are arranged on two sides of the accommodating cavity, and two locking mechanism pins 4 are arranged on two side walls of the locking mechanism 3.

The handle 1, the locking mechanism 3, the locking mechanism pin shaft 4, the locking hook 6, the chain ring 7, the bushing 8, the trigger 9, the partition plate 10, the trigger pin shaft 11, the outer arm torsion spring 12, the trigger bushing 13, the bushing 14, the pin shaft bushing 15, the adjusting nut 16 and the steel ball 17 are passivated.

The trigger pin shaft 11 is the strength of the limit rivet 2-3. The rivet 2-1, the rivet 2-2 and the rivet 2-3 are riveted together and assembled with the handle 1.

The handle 1, the rivet 2, the locking mechanism 3, the locking mechanism pin shaft 4, the pin 5, the latch hook 6, the chain ring 7, the bushing 8, the trigger 9, the partition plate 10, the trigger pin shaft 11, the trigger bushing 13, the bushing 14, the pin shaft bushing 15 and the adjusting nut 16 are made of stainless steel; the outer arm torsion spring 12, the compression spring 18 and the parallel double-torsion spring 19 are made of stainless steel spring wires; the steel ball 17 is made of 440C material.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Above, only the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and the equivalent structure change of doing above embodiment the utility model discloses technical scheme's within range of protection.

The above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can still modify or equally replace the specific embodiments of the present invention, and these modifications or equivalents do not depart from the spirit and scope of the present invention, which is all within the protection scope of the claims of the present invention.

Claims

1. An aviation closing lock catch is characterized by comprising a handle, a locking mechanism, a lock hook and a trigger;

the latch hook is connected with the end part of the locking mechanism.

2. The aviation closure latch of claim 1, wherein the locking mechanism has a blind hole at an end thereof, a first sliding groove axially communicating with the blind hole is formed in an outer wall of the end, the end of the latch hook is disposed in the blind hole, and the end of the latch hook is connected to the first sliding groove by a pin.

3. The aerial closure latch of claim 2, wherein an adjusting nut is disposed in a blind hole of the locking mechanism, an end of the latch hook includes a rotating shaft and a screw rod that are movably coupled, the pin is disposed on the rotating shaft, and the screw rod is in threaded connection with the adjusting nut.

4. The aerial closure latch of claim 3, wherein a steel ball and a compression spring are further disposed in the blind hole of the locking mechanism, the compression spring is disposed in the mounting hole and elastically connected to the steel ball, and the steel ball contacts with an end of the compression spring.

5. An aerial closure hasp as claimed in claim 1 wherein said locking means is hinged to the end of said handle receiving cavity by means of a bushing, said bushing having a trigger bushing and a pin bushing.

6. An aerial closure hasp as claimed in claim 5 wherein said handle receiving chamber inner side wall is further provided with a second runner, said second runner being provided with a bushing, said bushing being connected to said bushing by a link.

7. The aerial closure latch of claim 1 wherein the trigger is secured within the handle by a spacer and a trigger pin; and a parallel double-torsion spring is arranged on the trigger pin shaft.

8. The aerial closure hasp of claim 1 wherein said handle inner wall is provided with a limit rivet for limiting the maximum rotation angle of said locking mechanism.

9. The aerial closure hasp of claim 1 wherein said locking mechanism pin is knurled and said locking mechanism pin is in interference fit connection with said locking mechanism.

10. An aerial closure hasp as claimed in claim 1 wherein there are two said triggers and two said locking mechanism pins, two said triggers being located on either side of said receiving cavity and two said locking mechanism pins being located on either side of said locking mechanism.