CN218912552U

CN218912552U - Press lock

Info

Publication number: CN218912552U
Application number: CN202222817622.6U
Authority: CN
Inventors: 田瑜; 黄嘉鸣
Original assignee: Autoflight Kunshan Co Ltd
Current assignee: Autoflight Kunshan Co Ltd
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2023-04-25
Anticipated expiration: 2032-10-25

Abstract

The application relates to the technical field of aircrafts and discloses a pressing lock. The pressing lock comprises a pressing cap and a base, wherein the base comprises an axially extending inner cavity, an axially extending guide groove is formed in the inner wall of the base, and the guide groove comprises a communicated strip-shaped groove and a clamping groove; the pressing cap is connected with the base in a sleeved mode, a top tongue positioned in the inner cavity is further arranged at the bottom of the pressing cap, and the pressing cap can stretch into the inner cavity and push the top tongue out of the inner cavity; the bottom of the pressing cap is provided with a radial hole along the radial direction, a radial shaft is arranged in the radial hole, the radial shaft can rotate around the radial direction in the radial hole, one end of the radial shaft extending out of the pressing cap is connected with a sliding block, and the sliding block is slidably arranged in the strip-shaped groove and can enter the clamping groove to turn to form a clamping stop in the process that the pressing cap enters the inner cavity, so that the pressing cap stops moving. The pressing lock prevents the aircraft from loosening due to vibration in the flying process, and is simple to operate, light in weight, firm and reliable.

Description

Press lock

Technical Field

The application relates to the technical field of aircrafts, in particular to a pressing lock.

Background

Vibration of the aircraft during flight causes the fixed door handle to loosen, and there is a need to design a device to prevent the door handle from loosening.

Disclosure of Invention

The utility model aims at providing a press lock, the lock prevents that the aircraft from leading to fixed bin door handle pine to take off because of the vibration in the flight process, easy operation, light in weight, firm reliable.

To solve the above technical problem, the present application provides a push lock, including: a press cap and a base; the base comprises an axially extending inner cavity, an axially extending guide groove is formed in the inner wall of the base, and the guide groove comprises a strip-shaped groove and a clamping groove which are communicated; the pressing cap is connected with the base in a sleeved mode, a top tongue positioned in the inner cavity is further arranged at the bottom of the pressing cap, and the pressing cap can be telescopically inserted into the inner cavity and push the top tongue out of the inner cavity; the bottom of the pressing cap is provided with a radial hole along the radial direction, the radial hole is internally provided with a radial shaft, the radial shaft can rotate around the radial direction in the radial hole, one end of the radial shaft extending out of the pressing cap is connected with a sliding block, and the sliding block is slidably arranged in the strip-shaped groove and can enter the clamping groove to turn to form a clamping stop in the process that the pressing cap enters the inner cavity, so that the pressing cap stops moving.

Preferably, the engaging groove has a structure in which a width increases from one end communicating with the bar-shaped groove to the opposite end.

Preferably, the slider has a first dimension and a second dimension in a cross section perpendicular to the radial axis, the first dimension of the first dimension being the same as the width of the slot, the second dimension of the second dimension being greater than the width of the slot.

Preferably, the surface of the clamping groove is provided with a guide protrusion, the guide protrusion is used for guiding the sliding block to enter the clamping groove to turn, so that the second dimension edge abuts against the surface of the guide protrusion, the second dimension edge faces the strip-shaped groove, and the sliding block forms a clamping stop.

Preferably, when the press cap is stressed again, the sliding block turns in the clamping groove again, so that the first dimension edge is abutted against the surface of the guide convex part, and the first dimension edge is arranged towards the strip-shaped groove (106 a) and can pass through the strip-shaped groove (106 a).

Preferably, a guide post is arranged on the bottom plate of the base, an elastic piece is sleeved on the guide post, and one end, far away from the bottom plate, of the elastic piece is connected with the press cap.

Preferably, the elastic member is configured to push the cap out of the inner cavity in an unpressed state.

Preferably, the guide groove limits the movement of the slider only in the guide groove, so that the press cap is at least partially always in the base during the compression and expansion.

Preferably, the top of the base protrudes from the side wall toward the cap.

Preferably, a through hole opposite to the top tongue is formed in the bottom plate of the base, and the top tongue passes through the through hole to enter and exit the inner cavity.

The pressing lock prevents the aircraft from loosening due to vibration in the flying process, and is simple to operate, light in weight, firm and reliable.

Drawings

FIG. 1 is a schematic view of a push lock according to an embodiment of the present application;

FIG. 2 shows a cross-sectional view of a push lock according to an embodiment of the present application;

FIG. 3 is a schematic view of the structure of the base of the lock according to the embodiment of the present application;

FIG. 4 shows a cross-sectional view of a push lock according to an embodiment of the present application in an unpressed state;

FIG. 5 shows a cross-sectional view of a push lock according to an embodiment of the present application in a depressed state;

FIG. 6 is a schematic view showing the structure of a slider in a bar slot according to an embodiment of the present application;

FIG. 7 is a schematic view showing a structure of a slider in a locked state in a locking groove according to an embodiment of the present disclosure;

fig. 8 is a schematic structural view of the slider in the embodiment of the present application in a state of being pressed again in the engagement groove.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in detail below with reference to the accompanying drawings. However, those of ordinary skill in the art will understand that in various embodiments of the present utility model, numerous technical details have been set forth in order to provide a better understanding of the present application. However, the technical solutions claimed in the claims of the present application can be realized without these technical details and various changes and modifications based on the following embodiments.

Throughout the specification and claims, unless the context requires otherwise, the word "comprise" and variations such as "comprises" and "comprising" will be understood to be open-ended, meaning of inclusion, i.e. to be interpreted to mean "including, but not limited to.

The following detailed description of various embodiments of the present utility model will be provided in connection with the accompanying drawings to provide a clearer understanding of the objects, features and advantages of the present utility model. It should be understood that the embodiments shown in the drawings are not intended to limit the scope of the utility model, but rather are merely illustrative of the true spirit of the utility model.

Reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment. Thus, appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

As used in this specification and the appended claims, the singular forms "a," "an," and "the" include plural referents unless the context clearly dictates otherwise. It should be noted that the term "or" is generally employed in its sense including "and/or" unless the context clearly dictates otherwise.

In the following description, for the purposes of clarity of presentation of the structure and manner of operation of the present utility model, the description will be made with the aid of directional terms, but such terms as "forward," "rearward," "left," "right," "outward," "inner," "outward," "inward," "upper," "lower," etc. are to be construed as convenience, and are not to be limiting.

Embodiments of the present application, as shown in fig. 1 to 6, are described below with reference to the accompanying drawings, and the present application provides a push lock, including: the press cap 101 and the base 103 are connected by sleeving the press cap 101 and the base 103. The base 103 comprises an axially extending inner cavity 100, an axially extending guide groove 106 is formed in the inner wall of the base 103, and the guide groove 106 comprises a strip-shaped groove 106a and a clamping groove 106b which are communicated with each other; the bottom of the press cap 101 is also provided with a top tongue 102 positioned in the inner cavity 100, and the press cap 101 can be telescopically inserted into the inner cavity 100 and push the top tongue 102 out of the inner cavity 100; the bottom of the press cap 101 is provided with a radial hole along the radial direction, a radial shaft 108 is arranged in the radial hole, the radial shaft 108 can rotate around the radial hole, one end extending out of the press cap 101 is connected with a slide block 109, the slide block 109 is slidably arranged in the strip-shaped groove 106a, and the slide block 109 can turn to form a stop when entering the clamping groove 106b during the process that the press cap 101 enters the inner cavity 100, so that the press cap 101 stops moving.

Further, a guiding column 111 is arranged on the bottom plate of the base 103, an elastic piece 105 is sleeved on the guiding column 111, and one end, far away from the bottom plate, of the elastic piece 105 is connected to the press cap 101. The elastic member 105 pushes the push cap 101 out of the inner cavity 100 in an unpressed state. The guide groove 106 limits the movement of the slide 109 only within the guide groove 106, so that the push cap 101 is at least partially always in the seat 103 in the unpressed state. Further, the top of the base 103 protrudes from the sidewall toward the cap 101 to limit the slide 109 from being separated from the base 103. Further, a through hole opposite to the top tongue 102 is provided on the bottom plate of the base 103, and the top tongue 102 passes through the through hole to enter and exit the inner cavity 100.

Further, the slider 109 has a first dimension in a cross section perpendicular to the radial axis 108 that is the same as the width of the bar slot 106a and a second dimension that is greater than the width of the bar slot 106 a. Preferably, as shown in FIG. 6, the slider 109 assumes an "X" shape with the maximum width distance of the X-shaped slider as a first dimension and the maximum length distance of the X-shaped slider as a second dimension. The first dimension is the same as the width of the bar slot 106a such that the slider 109 slides vertically within the bar slot 106a and the second dimension is greater than the width of the bar slot 106 a. The clamping groove 106b is in a structure with the width increased from one end communicated with the strip-shaped groove 106a to the opposite end, the surface of the clamping groove 106b is provided with a guide convex part 110, the guide convex part 110 guides the sliding block 109 to enter the clamping groove 106b to turn, the second dimension side abuts against the surface of the guide convex part 110 as shown in fig. 7, the second dimension side faces the strip-shaped groove 106a, the sliding block 109 cannot rebound into the strip-shaped groove 106a because the second dimension of the second dimension side is larger than the width of the strip-shaped groove 106a, the sliding block 109 forms clamping stop, the cap 101 is clamped and stopped, the top tongue 102 extends out of the bottom plate of the base 103 through the through hole, and the cabin door of the aircraft is locked by the top tongue 102. After the locking is completed, when the cap 101 is stressed again, as shown in fig. 8, the sliding block 109 turns again in the clamping groove 106b, so that the first dimension edge abuts against the surface of the guide convex part 110, and the first dimension edge is arranged towards the strip-shaped groove 106a, at this time, the cap 101 drives the sliding block 109 to slide back into the strip-shaped groove 106a under the action of the restoring force of the elastic piece 105, so that the non-pressed state is restored, the top tongue 102 is retracted into the inner cavity 100, and the unlocking of the cabin door is completed.

The foregoing embodiments are merely illustrative of the principles of the present application and their effectiveness, and are not intended to limit the application. Modifications and variations may be made to the above-described embodiments by those of ordinary skill in the art without departing from the spirit and scope of the present application. Accordingly, it is intended that all equivalent modifications and variations which may be accomplished by persons skilled in the art without departing from the spirit and technical spirit of the disclosure be covered by the claims of this application.

Claims

1. A push lock, comprising: a press cap (101) and a base (103);

the base (103) comprises an inner cavity (100) extending axially, an axially extending guide groove (106) is formed in the inner wall of the base (103), and the guide groove (106) comprises a strip-shaped groove (106 a) and a clamping groove (106 b) which are communicated with each other; the pressing cap (101) is connected with the base (103) in a sleeved mode, a top tongue (102) positioned in the inner cavity (100) is further arranged at the bottom of the pressing cap (101), the pressing cap (101) can be telescopically inserted into the inner cavity (100), and the top tongue (102) is pushed out of the inner cavity (100); the bottom of the pressing cap (101) is provided with a radial hole along the radial direction, a radial shaft (108) is arranged in the radial hole, the radial shaft (108) can rotate around the radial hole, one end extending out of the pressing cap (101) is connected with a sliding block (109), the sliding block (109) is slidably arranged in the strip-shaped groove (106 a) and can enter the clamping groove (106 b) to turn to form a clamping stop in the process that the pressing cap (101) enters the inner cavity (100), so that the pressing cap (101) stops moving.

2. The push lock according to claim 1, characterized in that the catching groove (106 b) is formed in a structure having a width increasing from one end communicating with the bar-shaped groove (106 a) to the opposite end.

3. The push lock according to claim 1, characterized in that the slider (109) has, in a section perpendicular to the radial axis (108), a first dimension of the same width as the bar slot (106 a) and a second dimension of the same width greater than the bar slot (106 a).

4. A push lock according to claim 3, wherein the surface of the clamping groove (106 b) is provided with a guiding protrusion (110), the guiding protrusion (110) is used for guiding the sliding block (109) into the clamping groove (106 b) to turn, so that the second dimension edge abuts against the surface of the guiding protrusion (110), and the second dimension edge faces the bar-shaped groove (106 a), and the sliding block (109) forms a clamping stop.

5. The push lock according to claim 4, characterized in that the slider (109) is turned again in the catch groove (106 b) when the push cap (101) is forced again, so that the first dimension edge is brought into abutment against the guide projection (110) surface, so that the first dimension edge is arranged towards the bar groove (106 a) and is allowed to pass in the bar groove (106 a).

6. The push lock according to claim 1, characterized in that a guiding column (111) is arranged on the bottom plate of the base (103), an elastic member (105) is sleeved on the guiding column (111), and one end of the elastic member (105) far away from the bottom plate is connected to the push cap (101).

7. The push lock according to claim 6, wherein the elastic member (105) is configured to push the push cap (101) out of the inner cavity (100) in an unpressed state.

8. The push lock according to claim 2, characterized in that the guide groove (106) limits the movement of the slider (109) only within the guide groove (106) such that the push cap (101) is at least partially always in the base (103) in the non-depressed state.

9. A push lock according to claim 2, characterized in that the top of the base (103) protrudes from the side wall in the direction of the push cap (101).

10. The push lock according to claim 5, characterized in that the bottom plate of the base (103) is provided with a through hole opposite to the top tongue (102), through which the top tongue (102) passes into and out of the inner cavity (100).