Hinge type self-locking mechanism

Abstract

The utility model discloses a hinge type self-locking mechanism which comprises a front shell body and a rear shell body, the lower portion of the front shell body and the lower portion of the rear shell body are jointly connected with a pin shaft, the front shell body and the rear shell body are connected in a rotating mode through the pin shaft, and the front shell body or the rear shell body rotates relatively along the pin shaft and is unfolded. The upper portion of the front shell and the upper portion of the rear shell are jointly connected with a locking piece, a compression spring is connected into the locking piece, one end of the compression spring abuts against the front inner side of the locking piece, the other end of the compression spring abuts against a spring blocking body of the rear shell, and self-locking of the front shell and the rear shell is achieved through joint cooperation of the locking piece and the compression spring. The hinge type self-locking mechanism has the advantages of being simple and reasonable in structure, convenient to operate and use, stable and reliable to use and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to lock body technical field, concretely is a hinge type self -locking mechanism. BACKGROUND

[0002] It is known that the door, window, cabinet and other products with closing state and opening state need to use the hinge, the hinge is the component that connects two objects and can make it active, however, the hinge itself does not have locking function, but people hope to combine the lock and hinge.

[0003] In view of the above problem, the hinge type self -locking mechanism is provided. CONTENT OF UTILITY MODEL

[0004] In view of the deficiency of prior art, the utility model provides a hinge type self -locking mechanism, and the main purpose is to solve the technical problem in the background art.

[0005] In order to realize the above purpose, the utility model is realized through the following technical scheme: a hinge type self -locking mechanism is provided, including the body, the body includes the front shell, rear shell, the lower part of the front shell and the lower part of rear shell are connected with the pin shaft, the front shell and rear shell are rotatably connected through the pin shaft, the upper part of the front shell and the upper part of the rear shell are connected with the lock piece, the inside of the lock piece is connected with the compression spring, one end of the compression spring abuts against the front inside of the lock piece, the other end of the compression spring abuts against the spring stop body of the rear shell, the front shell and the rear shell are self -locked through the cooperation of the lock piece and the compression spring.

[0006] Further, the lower part of the front shell is provided with the front shell connecting part, the inside of the front shell connecting part is provided with the plug connector, and the inside of the plug connector is provided with the pin hole.

[0007] Further, the lower part of the rear shell is provided with the rear shell connecting part, the rear shell connecting part is staggered with the front shell connecting part, the inside of the rear shell connecting part is provided with the butt joint groove matched with the plug connector, the inside of the butt joint groove is provided with the pin hole, and the pin shaft is connected in the pin hole of the plug connector and the butt joint groove.

[0008] Further, the panel of the front shell and the rear shell is provided with the window that can let the lock tongue of the lock piece pass.

[0009] Further, the panel of the front shell is provided with the convex part in contact with the lock tongue of the lock piece, the convex part is located at the periphery of the window, and the convex part is designed from the bottom to the high inclined surface,

[0010] Further, the lower side of the front shell is provided with the wire passing groove I, and the wire passing groove I is communicated with the front shell connecting part.

[0011] Further, the panel of the rear shell is further provided with a guide groove for moving the lock piece, the guide groove is composed of two parallel convex lines, the front side of the guide groove is provided with a limiting block, and the rear side of the guide groove is provided with a spring stop body, and the spring stop body is provided with a flat cutting surface.

[0012] Further, the upper portion of the rear shell is provided with a position avoiding opening for the lock piece, the position avoiding opening is located above the window, and the lower side of the rear shell is provided with a wire passing groove II, and the wire passing groove II is communicated with the rear shell connecting portion.

[0013] Further, the lock piece comprises a frame body slidingly arranged in the guide groove, the upper portion of the frame body is connected with a lock tongue and a push block, the compression spring is arranged in the interior of the frame body, one end of the compression spring is abutted against the inner front side of the frame body, the other end of the compression spring is abutted against the flat cutting surface of the spring stop body, and the surface of the lock tongue in contact with the convex portion is designed as a high slope surface from bottom to top.

[0014] Compared with the prior art, the hinge type self-locking mechanism has the following beneficial effects: the hinge type self-locking mechanism comprises a front shell and a rear shell, the lower portion of the front shell and the lower portion of the rear shell are jointly connected with a pin shaft, the front shell and the rear shell are rotationally connected through the pin shaft, the front shell or the rear shell is relatively rotated along the pin shaft and unfolded, the upper portion of the front shell and the upper portion of the rear shell are jointly connected with a lock piece, the interior of the lock piece is connected with a compression spring, and the front shell and the rear shell are self-locked through the cooperation of the lock piece and the compression spring. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 Fig. 1 is a front view of the hinge type self-locking mechanism of the present application;

[0016] Figure 2 Fig. 2 is a rear view of the hinge type self-locking mechanism of the present application;

[0017] Figure 3 Fig. 3 is an exploded view of the hinge type self-locking mechanism of the present application;

[0018] Figure 4 Fig. 4 is a front view of the front shell of the present application;

[0019] Figure 5 Fig. 5 is a rear view of the front shell of the present application;

[0020] Figure 6 Fig. 6 is a structure diagram of the rear shell of the present application;

[0021] Figure 7 Fig. 7 is a structure diagram of the lock piece of the present application;

[0022] Figure 8 Fig. 1 is a front view of the hinge type self-locking mechanism according to the present application;

[0023] Figure 9 Fig. 1 is a front view of the hinge type self-locking mechanism according to the present application.

[0024] In the figure: 1, front shell 2, rear shell 3, pin shaft 4, lock piece 5, compression spring 6, window 7, internally threaded through hole 11, front shell connecting portion 12, plug connector 13, protruding portion 14, wire passing notch I 21, rear shell connecting portion 22, butt joint groove 23, guide groove 24, protruding strip 25, limiting block 26, spring stopper 27, avoidance opening 28, wire passing notch II 41, frame body 42, lock tongue 43, push block. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0026] Please refer to Figures 1-9 The present application provides a technical solution: a hinge type self-locking mechanism, comprising a body, the body comprising a front shell 1 and a rear shell 2, the lower part of the front shell 1 and the lower part of the rear shell 2 are jointly connected with a pin shaft 3, the front shell 1 and the rear shell 2 are rotationally connected through the pin shaft 3, the upper part of the front shell 1 and the upper part of the rear shell 2 are jointly connected with a lock piece 4, the lock piece 4 is internally connected with a compression spring 5, one end of the compression spring 5 abuts against the front inner side of the lock piece 4, the other end of the compression spring 5 abuts against the spring stopper of the rear shell 2, the front shell 1 and the rear shell 2 are locked through the joint cooperation of the lock piece 4 and the compression spring 5. Compared with the prior art, the front shell and the rear shell are rotationally connected through the pin shaft, the front shell or the rear shell is relatively rotated along the pin shaft and unfolded, the front shell and the rear shell are self-locked through the joint cooperation of the lock piece and the compression spring, and the present application has the advantages of simple and reasonable structure, convenient operation and use, stable and reliable use, etc.

[0027] Please refer to Figure 3As shown, the lower part of the front shell 1 is provided with a front shell connecting part 11, the inside of the front shell connecting part 11 is provided with a plug 12, the inside of the plug 12 is provided with a pin hole, the lower part of the rear shell 2 is provided with a rear shell connecting part 21, the inside of the rear shell connecting part 21 is provided with a mating slot 22 matched with the plug 12, the inside of the mating slot 22 is provided with a pin hole, the rear shell connecting part 21 is staggered with the front shell connecting part 11, the front shell connecting part 11 and the rear shell connecting part 21 are assembled together through the plug 12 and the mating slot 22, and the pin shaft 3 is connected in the pin hole of the plug 12 and the mating slot 22, so that the front shell 1 or the rear shell 2 is flipped along the pin shaft 3.

[0028] As shown in the drawings, Figures 3-5 As shown, the face plate of the front shell 1 and the rear shell 2 is provided with a window 6 through which the lock tongue of the lock 4 passes, the face plate of the front shell 1 is further provided with a raised portion 13 which contacts the lock tongue of the lock 4, the raised portion 13 is located at the periphery of the window 6, and the raised portion 13 is designed as a slope from bottom to top, with an angle of 10-20 degrees, so that the raised portion 13 is in smooth and stable contact with the lock tongue 42. The lower side of the front shell 1 is provided with a wire slot Ⅰ 14 which is in communication with the front shell connecting part 11, so that the wire is stored in the shell through the wire slot Ⅰ 14, preventing the wire from being exposed outside.

[0029] As shown in the drawings, Figure 6 As shown, the face plate of the front shell 1 and the rear shell 2 is provided with a window 6 through which the lock tongue of the lock 4 passes, the face plate of the front shell 1 is further provided with a raised portion 13 which contacts the lock tongue of the lock 4, the raised portion 13 is located at the periphery of the window 6, and the raised portion 13 is designed as a slope from bottom to top, with an angle of 10-20 degrees, so that the raised portion 13 is in smooth and stable contact with the lock tongue 42. The lower side of the front shell 1 is provided with a wire slot Ⅰ 14 which is in communication with the front shell connecting part 11, so that the wire is stored in the shell through the wire slot Ⅰ 14, preventing the wire from being exposed outside.

[0030] The upper part of the rear shell 2 is provided with an avoidance opening 27 through which the lock 4 passes, and the avoidance opening 27 is located above the window 6. The lower side of the rear shell 2 is provided with a wire slot Ⅱ 28 which is in communication with the rear shell connecting part 21, so that the wire is stored in the shell through the wire slot Ⅱ 28, preventing the wire from being exposed outside. The front shell 1 and the rear shell 2 are both provided with an internal thread through hole 7, which allows the front shell 1 and the rear shell 2 to be connected with other components as a whole.

[0031] As shown in the drawings, Figure 7As shown, the lock 4 comprises a frame body 41 slidingly arranged in the guide groove 23, the upper portion of the frame body 41 is connected with a lock tongue 42 and a push block 43, a compression spring 5 is arranged inside the frame body 41, one end of the compression spring 5 abuts against the inner front side of the frame body 41, the other end of the compression spring 44 abuts against the flat surface of the spring stop body 26, the top surface of the push block 43 is provided with a stripe structure, the stripe structure serves to prevent slipping and is more convenient for applying a pushing force to the push block 43. The surface of the lock tongue 42 in contact with the protruding portion 13 is designed as a bottom-to-high inclined surface, the angle of the inclined surface is 10-20 degrees, the inclined surface design makes the lock tongue 42 in smooth and stable contact with the protruding portion 13.

[0032] Working principle: in use, the lock 4 is pushed to make the compression spring 5 in the frame body 41 in a compressed deformation state, at the same time, the lock tongue 42 is separated from the surface contact with the protruding portion 13 of the front shell 1, so that the front shell 1 and the rear shell 2 are changed from the locked state to the unlocked state, the state change is shown in Figs. 8-9. Then the front shell 1 or the rear shell 2 can be flipped along the pin shaft 3 to realize the relative rotation and unfolding of the front shell 1 and the rear shell 2. When it is needed to lock the front shell 1 and the rear shell 2, the lock 4 is released, because the compression spring 5 can restore to the original state after removing the external force, the compression spring 5 in the frame body 41 is restored from the compressed deformation state to the original state, at the same time, the lock tongue 42 is in surface contact with the protruding portion 13 of the front shell 1, so that the front shell 1 and the rear shell 2 are locked.

Claims

1. A hinge-type self-locking mechanism, characterized in that, The device includes a main body, which includes a front housing (1) and a rear housing (2). The lower part of the front housing (1) and the lower part of the rear housing (2) are connected by a pin (3). The pin (3) allows the front housing (1) and the rear housing (2) to be rotatably connected. The upper part of the front housing (1) and the upper part of the rear housing (2) are connected by a locking member (4). The locking member (4) has a compression spring (5) inside it. One end of the compression spring (5) abuts against the front inner side of the locking member (4), and the other end of the compression spring (5) abuts against the spring stop of the rear housing (2). The front housing (1) and the rear housing (2) are self-locked by the cooperation of the locking member (4) and the compression spring (5).

2. The hinge-type self-locking mechanism according to claim 1, characterized in that, The lower part of the front housing (1) is provided with a front housing connecting part (11), and the interior of the front housing connecting part (11) is provided with a plug (12), and the interior of the plug (12) is provided with a pin hole.

3. The hinge-type self-locking mechanism according to claim 1, characterized in that, The lower part of the rear housing (2) is provided with a rear housing connecting part (21), which is offset from the front housing connecting part (11). The interior of the rear housing connecting part (21) is provided with a mating groove (22) that is compatible with the plug (12). The interior of the mating groove (22) is provided with a pin hole, and the pin (3) is connected to the plug (12) and the pin hole of the mating groove (22).

4. The hinge-type self-locking mechanism according to claim 1, characterized in that, The front housing (1) and the rear housing (2) are both provided with windows (6) through which the bolt of the lock (4) can pass.

5. The hinge-type self-locking mechanism according to claim 4, characterized in that, The front housing (1) panel is also provided with a protrusion (13) that contacts the latch of the lock (4). The protrusion (13) is located on the periphery of the window (6) and is designed as a slope from bottom to top.

6. The hinge-type self-locking mechanism according to claim 5, characterized in that, The lower side of the front housing (1) is provided with a wire-passing groove I (14), which is connected to the front housing connecting part (11).

7. The hinge-type self-locking mechanism according to claim 4, characterized in that, The panel of the rear housing (2) is also provided with a guide groove (23) for moving the lock (4). The guide groove (23) is composed of two parallel protrusions (24). A limit block (25) is provided on the front side of the guide groove (23). A spring stop (26) is provided on the rear side of the guide groove (23). The spring stop (26) has a flat cut surface.

8. The hinge-type self-locking mechanism according to claim 7, characterized in that, The upper part of the rear housing (2) is provided with a clearance opening (27) for the lock (4) to pass through. The clearance opening (27) is located above the window (6). The lower side of the rear housing (2) is provided with a wire passage slot II (28), which is connected to the rear housing connection part (21).

9. The hinge-type self-locking mechanism according to claim 4, characterized in that, The lock (4) includes a frame (41) slidably disposed in a guide groove (23). The upper part of the frame (41) is connected to a latch (42) and a push block (43). The compression spring (5) is disposed inside the frame (41). One end of the compression spring (5) abuts against the inner front side of the frame (41), and the other end of the compression spring (5) abuts against the flat surface of the spring stop (26). The surface of the latch (42) that contacts the protrusion (13) is designed as a slope from bottom to top.

Images