阅读说明：本技术 一种联动锁及具有其的口盖结构 (Linkage lock and cover cap structure with same ) 是由 崔浩 吴宏伟 许平 王坤宇 金凤新 贾晔 佟鑫 于 2019-09-17 设计创作，主要内容包括：本申请涉及一种联动锁,包括：主动销,其一端为插入端,另一端为限位端,其外壁具有主动压紧凸出、限位凸出；插入端插入至口盖的第一通孔中；限位结构,具有缺口,用以连接至口盖；弹簧,套接在限位端,其一端与压紧凸出和/或限位凸出抵接,另一端与限位结构抵接；从动销,其外壁具有从动压紧凸出,其一端为螺接端；螺接端用以螺接至口盖的第二孔中；连杆,其一端与主动销铰接,另一端与从动销铰接；连动锁具有：关闭状态,限位凸出卡入缺口,主动压紧凸出、从动压紧凸出用以压紧口框；开启状态,主动销克服弹簧的弹力沿轴向运动,使限位凸出脱出缺口,主动销能够转动以通过连杆带动从动销转动,从而使主动压紧凸出、从动压紧凸出与口框分离。(The application relates to a linkage lock, including: one end of the driving pin is an insertion end, the other end of the driving pin is a limiting end, and the outer wall of the driving pin is provided with a driving pressing bulge and a limiting bulge; the insertion end is inserted into the first through hole of the cover; the limiting structure is provided with a notch and is used for being connected to the opening cover; the spring is sleeved at the limiting end, one end of the spring is abutted with the pressing bulge and/or the limiting bulge, and the other end of the spring is abutted with the limiting structure; the outer wall of the driven pin is provided with a driven pressing bulge, and one end of the driven pin is a screwed end; the screw joint end is used for being screwed into the second hole of the opening cover; one end of the connecting rod is hinged with the driving pin, and the other end of the connecting rod is hinged with the driven pin; the interlock lock has: in a closed state, the limiting protrusion is clamped into the notch, and the driving pressing protrusion and the driven pressing protrusion are used for pressing the opening frame; in the opening state, the driving pin overcomes the elastic force of the spring and moves along the axial direction, so that the limiting protrusion is separated from the notch, and the driving pin can rotate to drive the driven pin to rotate through the connecting rod, so that the driving pressing protrusion and the driven pressing protrusion are separated from the opening frame.)

1. A linked lock, comprising:

one end of the driving pin (1) is an insertion end, the other end of the driving pin is a limiting end, and the outer wall of the driving pin is provided with a driving pressing bulge and a limiting bulge; wherein the insertion end is used for being inserted into a first through hole of the cover (2);

a limiting structure (3) with a notch for connecting to the flap (2);

the spring (4) is sleeved at the limiting end, one end of the spring is abutted with the pressing bulge and/or the limiting bulge, and the other end of the spring is abutted with the limiting structure;

the outer wall of the driven pin (5) is provided with a driven pressing bulge, and one end of the driven pin is a screwed end; wherein the screw-in end is adapted to be screwed into a second hole of the flap (2);

one end of the connecting rod (6) is hinged with the driving pin (1), and the other end of the connecting rod is hinged with the driven pin (5);

the interlock lock has:

in a closed state, the limiting protrusion is clamped into the notch, and the driving pressing protrusion and the driven pressing protrusion are used for pressing the opening frame (7);

in an opening state, the driving pin (1) overcomes the elastic force of the spring (4) to move along the axial direction, so that the limiting protrusion is separated from the notch, the driving pin (1) rotates and drives the driven pin (5) to rotate through the connecting rod (6), and therefore the driving pressing protrusion and the driven pressing protrusion are separated from the opening frame (7).

2. The linkage lock according to claim 1,

the end face of the insertion end is provided with a clamping groove.

3. The linkage lock according to claim 1,

further comprising:

a first nut (8);

and the screw rod of the first countersunk head bolt (9) is used for penetrating through the first through hole to be in threaded connection with the first nut (8), the screw rod of the first countersunk head bolt is hollow, and the insertion end is inserted into the screw rod.

4. The linkage lock according to claim 1,

the mouth frame (7) is provided with a first boss (10);

the linkage lock is in:

in the closed state, the active pressing protrusion presses the first boss (10);

in the open state, the active hold-down projection is separated from the first boss (10).

5. The linkage lock according to claim 1,

the second hole is a through hole;

the interlock lock further includes:

a second nut (11);

and the screw rod of the second countersunk head bolt (12) is used for penetrating through the second hole to be in threaded connection with the second nut (11), the screw rod is hollow, and the threaded end is inserted into the middle of the screw rod to be in threaded fit connection.

6. The linkage lock according to claim 1,

the mouth frame (7) is provided with a second boss (13);

the linkage lock is in:

when in the closed state, the driven pressing bulge presses the second boss (13);

and in the opening state, the driven pressing bulge is separated from the second boss (13).

7. The linkage lock according to claim 1,

further comprising:

two support plates (14) for connection with the mouth frame (2); each support piece (14) has a support portion located between the driven pressing projection and the flap (2).

8. A flap structure, comprising:

a flap (2);

a mouth frame (7);

a plurality of linkage locks according to any one of claims 1 to 7, provided on said flap (2), said mouth frame (7); each of the interlock locks is in:

in the closed state, the flap (2) is closed on the flap frame (7);

in the open state, the flap (2) can be opened from the opening frame (7).

Technical Field

This application belongs to and opens and close flap structural design technical field fast, concretely relates to linkage lock and have its flap structure.

Background

The flap structure is the common maintenance structure on the aircraft, and it is many through detaching the lock soon and realize opening, closing, and this kind of technical scheme has following defect:

1) for the flap with larger size, more quick-release locks are needed to be used for ensuring the closing effectiveness of the flap, and each quick-release lock needs to be operated in sequence in the opening and closing processes of the flap structure, so that the process is complicated, and the opening and closing efficiency is low;

2) and the operation quick-release lock realizes the opening and closing processes of the cover cap structure, and the surface coating of the cover cap structure is easy to damage.

The present application is made in view of the above-mentioned drawbacks of the prior art.

Disclosure of Invention

It is an object of the present application to provide a linkage lock and a flap structure having the same, so as to overcome or alleviate at least one of the disadvantages of the prior art.

The technical scheme of the application is as follows:

one aspect provides a linked lock, comprising:

one end of the driving pin is an insertion end, the other end of the driving pin is a limiting end, and the outer wall of the driving pin is provided with a driving pressing bulge and a limiting bulge; the insertion end is used for being inserted into the first through hole of the cover;

the limiting structure is provided with a notch and is used for being connected to the opening cover;

the spring is sleeved at the limiting end, one end of the spring is abutted with the pressing bulge and/or the limiting bulge, and the other end of the spring is abutted with the limiting structure;

the outer wall of the driven pin is provided with a driven pressing bulge, and one end of the driven pin is a screwed end; wherein, the screw joint end is used for being screwed into the second hole of the cover;

one end of the connecting rod is hinged with the driving pin, and the other end of the connecting rod is hinged with the driven pin;

the interlock lock has:

in a closed state, the limiting protrusion is clamped into the notch, and the driving pressing protrusion and the driven pressing protrusion are used for pressing the opening frame;

in the opening state, the driving pin overcomes the elastic force of the spring and moves along the axial direction, so that the limiting protrusion is separated from the notch, and the driving pin can rotate to drive the driven pin to rotate through the connecting rod, so that the driving pressing protrusion and the driven pressing protrusion are separated from the opening frame.

According to at least one embodiment of the present application, an end face of the insertion end has a catch.

According to at least one embodiment of the present application, further comprising:

a first nut;

and the screw rod of the first countersunk head bolt is used for penetrating through the first through hole and is in threaded connection with the first nut, the screw rod is hollow, and the insertion end is inserted into the screw rod.

According to at least one embodiment of the present application, the mouth frame has a first boss thereon;

the linkage lock is arranged as follows:

when the device is in a closed state, the first boss is actively pressed and pressed by the active pressing protrusion;

when the device is in an opening state, the active pressing protrusion is separated from the first boss.

According to at least one embodiment of the present application, the second hole is a through hole;

the interlock lock further includes:

a second nut;

and the screw rod of the second countersunk head bolt is used for penetrating through the second hole to be in threaded connection with the second nut, the screw rod is hollow, and the threaded connection end is inserted into the middle of the screw rod to be in threaded fit connection.

According to at least one embodiment of the present application, the mouth frame has a second boss thereon;

the linkage lock is arranged as follows:

when the device is in a closed state, the driven pressing protrusion presses the second boss;

when the device is in an opening state, the driven pressing protrusion is separated from the second boss.

According to at least one embodiment of the present application, further comprising:

two support sheets connected to the mouth frame; each support sheet has a support portion located between the driven hold-down projection and the flap.

Another aspect provides a flap structure comprising:

a flap;

a mouth frame;

a plurality of linkage locks are arranged on the opening cover and the opening frame; each interlock lock is in:

when in a closed state, the opening cover is closed on the opening frame;

in the open state, the flap can be opened from the mouth frame.

Drawings

FIG. 1 is a schematic view of an assembly of a linkage lock provided in an embodiment of the present application;

FIG. 2 is a schematic view of a linkage lock provided in an embodiment of the present application in a closed state;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is a schematic view of a linkage lock provided in an embodiment of the present application in an unlocked state;

FIG. 5 is an angled view of a flap structure provided by an embodiment of the present application;

wherein:

1-a driving pin; 2-opening the cover; 3-a limiting structure; 4-a spring; 5-a driven pin; 6-connecting rod; 7-mouth frame; 8-a first nut; 9-a first countersunk bolt; 10-a first boss; 11-a second nut; 12-a second countersunk bolt; 13-a second boss; 14-support sheet.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant application and are not limiting of the application. It should be noted that, for convenience of description, only the portions related to the present application are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

It should be noted that in the description of the present application, the terms of direction or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that, in the description of the present application, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being 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 application can be understood by those skilled in the art as the case may be.

The present application is described in further detail below with reference to fig. 1 to 5.

One aspect provides a linked lock, comprising:

one end of the driving pin 1 is an insertion end, the other end of the driving pin is a limiting end, and the outer wall of the driving pin is provided with a driving pressing bulge and a limiting bulge; wherein, the inserting end is used for being inserted into the first through hole of the cover 2;

a limiting structure 3 with a gap for connecting to the opening cover 2;

the spring 4 is sleeved at the limiting end, one end of the spring is abutted with the pressing bulge and/or the limiting bulge, and the other end of the spring is abutted with the limiting structure;

the driven pin 5, its outer wall has driven to compress tightly and bulge, its one end is the screwed joint end; wherein, the screw joint end is used for screw joint to the second hole of the cover 2;

one end of the connecting rod 6 is hinged with the driving pin 1, and the other end of the connecting rod is hinged with the driven pin 5;

the interlock lock has:

in a closed state, the limiting protrusion is clamped into the notch, and the driving pressing protrusion and the driven pressing protrusion are used for pressing the opening frame 7;

in an opening state, the driving pin 1 overcomes the elastic force of the spring 4 to move along the axial direction, so that the limiting protrusion is separated from the notch, and the driving pin 1 can rotate to drive the driven pin 5 to rotate through the connecting rod 6, so that the driving compression protrusion and the driven compression protrusion are separated from the opening frame 7.

For the linkage lock disclosed in the above embodiment, it can be understood by those skilled in the art that the spring 4 can keep the linkage lock in a closed state by virtue of its elastic force, and the limiting protrusion is clamped into the notch to limit the rotation of the driving pin 1, thereby realizing the closing of the flap 2 on the mouth frame 7; the inserting end of the driving pin 1 is pushed along the axial direction, the driving pin 1 can overcome the elastic force of the spring 4 to move along the axial direction, the limiting protrusion is separated from the notch, the driving pin 1 can rotate, the connecting rod 6 drives the driven pin 5 to rotate, the linkage lock is in an opening state, and the opening of the opening cover 2 on the opening frame 7 is achieved.

For the linkage lock disclosed in the above embodiments, it can be understood by those skilled in the art that the linkage lock can be switched between the open state and the closed state by only pushing the active pin 1 to move axially and rotating the active pin 1, so as to open and close the flap 2 on the mouth frame 7, and the linkage lock is quick and efficient.

In some alternative embodiments, the end face of the insertion end has a catch.

For the linkage lock disclosed in the above embodiments, it can be understood by those skilled in the art that a special tool can be used to push the driving pin 1 to move axially in the clamping groove, and the driving pin 1 is driven to rotate by rotation, so that the blocking connection is facilitated, and the scratch of the access cover structure can be easily avoided.

In some optional embodiments, further comprising:

a first nut 8;

the screw of the first countersunk head bolt 9 is used for penetrating through the first through hole and is in threaded connection with the first nut 8, the screw is hollow, and the insertion end is inserted into the screw.

In some alternative embodiments, the mouth frame 7 has a first boss 10 thereon;

the linkage lock is arranged as follows:

when in a closed state, the first boss 10 is actively pressed and pressed by the active pressing protrusion;

in the open state, the active hold-down projection is disengaged from the first boss 10.

In some alternative embodiments, the second hole is a through hole;

the interlock lock further includes:

a second nut 11;

and a screw of the second countersunk head bolt 12 is used for penetrating through the second hole to be in threaded connection with the second nut 11, the screw is hollow, and the threaded end is inserted into the middle of the screw to be in threaded fit connection.

In some alternative embodiments, the mouth frame 7 has a second boss 13 thereon;

the linkage lock is arranged as follows:

when the device is in a closed state, the driven pressing protrusion presses the second boss 13;

in the open state, the driven pressing projection is separated from the second boss 13.

In some optional embodiments, further comprising:

two support pieces 14 for connecting with the mouth frame 2; each support piece 14 has a support portion located between the driven pressing projection and the flap 2.

Another aspect provides a flap structure comprising:

a flap 2;

a mouth frame 7;

a plurality of linkage locks are arranged on the opening cover 2 and the opening frame 7; each interlock lock is in:

in the closed state, the flap 2 is closed on the mouth frame 7;

in the open state, flap 2 can be opened from the mouth frame 7.

So far, the technical solutions of the present application have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present application is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the present application, and the technical scheme after the changes or substitutions will fall into the protection scope of the present application.