CN217558005U

CN217558005U - Torsional spring type plane lock

Info

Publication number: CN217558005U
Application number: CN202221097417.0U
Authority: CN
Inventors: 李体勇
Original assignee: Guangdong Thumb Haihui Cabinet Lock Co ltd
Current assignee: Guangdong Thumb Haihui Cabinet Lock Co ltd
Priority date: 2022-05-06
Filing date: 2022-05-06
Publication date: 2022-10-11
Anticipated expiration: 2032-05-06

Abstract

The utility model discloses a torsion spring type plane lock, which comprises a lock body and a swing arm which is rotatably arranged on the lock body; the lock main body is provided with a groove body for accommodating the swing arm; the bottom of the lock body is rotatably connected with a locking plate; one end of the swing arm is provided with a connecting part, and the swing arm is connected with the locking plate through the connecting part and a connecting rod; the groove body is internally provided with a torsion spring which protrudes outwards, one end of the torsion spring is fixed in the groove body, and the other end of the torsion spring is fixed on the connecting part; the swing arm has a locking state of containing and limiting in the groove body and not rotating, and an opening state of inclining relative to the lock body, when the lock is opened, one end of the swing arm with the connecting part is pressed, and the swing arm swings to drive the connecting rod to move downwards, so that the locking plate is driven to rotate. The swing arm is pressed through one key, and the linear motion of the swing arm is converted into the curvilinear motion of the locking plate, so that the planar lock is locked or unlocked; when the swing arm is in a locked state, the swing arm is accommodated in the groove body, and a user is prevented from being injured by the protruded swing arm.

Description

Torsional spring type plane lock

Technical Field

The utility model relates to the technical field of furniture, more specifically the utility model relates to a torsional spring formula plane lock that says so.

Background

At present, a planar lock is a common lock, and is commonly installed on a file cabinet, an electrical cabinet or a power distribution cabinet, and is usually provided with a handle which is arranged outside, wherein the handle usually protrudes out of a cabinet door, and the cabinet door is opened and closed by pulling the handle; and need increase the lock core and just can make the cabinet door lock, make it can not open by mistake, the structure is complicated, still can have the key to lose, leads to the condition of not opening the cabinet door, and there is the potential safety hazard in addition foretell structure in daily life, is injured by convex handle gouging promptly, or the condition of opening by mistake. It is therefore desirable to provide a flat lock with a concealed handle.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a torsional spring formula plane lock.

In order to realize the purpose, the utility model adopts the following technical scheme: comprises a lock body and a swing arm which is rotatably arranged on the lock body; the lock main body is provided with a groove body for accommodating the swing arm; the bottom of the lock body is rotatably connected with a locking plate; one end of the swing arm is provided with a connecting part, and the swing arm is connected with the locking plate through the connecting part and a connecting rod; the groove body is internally provided with a torsion spring which protrudes outwards, one end of the torsion spring is fixed in the groove body, and the other end of the torsion spring is fixed on the connecting part; the swing arm is provided with a locking state which is contained and limited in the groove body and can not rotate, and an opening state which is inclined relative to the lock main body. The swing arm is pressed through a key, the connecting rod is driven to move, then thrust is applied to the lock plate, linear motion of the swing arm is converted into curvilinear motion of the lock plate, and locking or unlocking of the plane lock is achieved; meanwhile, the swing arm inclined relative to the lock main body can be used as a handle, and the cabinet door can be pushed and pulled to be opened and closed through the swing arm; when the swing arm is in a locked state, the swing arm is accommodated in the groove body, and a user is prevented from being injured by the protruded swing arm.

In a further technical scheme, a first mounting position and a second mounting position are arranged in the groove body; the connecting part is provided with a mounting hole corresponding to the first mounting position, and the swing arm can be rotatably connected relative to the tank body through the first rotating shaft; one end of the torsion spring is fixedly arranged at the second installation position through a second rotating shaft. The installation structure of the swing arm and the torsion spring is specifically described, the swing arm is pressed and rotates through the first rotating shaft, so that the swing arm inclines towards the inside of the groove body, and meanwhile, the torsion spring plays a role in pulling, so that the swing arm is prevented from excessively inclining; when the other end of the swing arm is pressed, the torsion spring facilitates the reset of the swing arm.

In a further technical scheme, the connecting part is also provided with a connecting rod mounting hole and a torsion spring mounting hole, one end of the connecting rod penetrates through the connecting rod mounting hole, and the other end of the torsion spring is fixedly mounted in the torsion spring mounting hole; the swing arm and the locking plate are connected through the connecting rod, so that when the swing arm is inclined, the linear motion of the swing arm enables the locking plate to perform curvilinear motion through the connecting rod.

In a further technical scheme, the groove body part is provided with a bottom surface; the bottom surface is provided with an installation column with internal threads, and the locking plate is installed through the installation column; the locking plate is rotatably connected through the bottom surface.

In a further technical scheme, the locking plate is provided with a screw hole and a limiting hole and is fixedly arranged at the bottom of the groove body through the screw hole; the other end of the connecting rod hooks the limiting hole; the connecting rod can only give a thrust to the locking plate through the limiting hole.

In a further technical scheme, a limiting block is arranged at one end of the swing arm opposite to the connecting part; so that the swing arm can be flush with the lock body.

In a further technical scheme, a mounting block is arranged on the back of the lock body; for mounting the entire flat lock on a furniture cabinet door.

Known through foretell technical scheme, compare with prior art, the utility model discloses following beneficial technological effect has: the swing arm is pressed through a key, the connecting rod is driven to move, then thrust is applied to the lock plate, linear motion of the swing arm is converted into curvilinear motion of the lock plate, and locking or unlocking of the plane lock is achieved; meanwhile, the swing arm inclined relative to the lock main body can serve as a handle, and the cabinet door can be pushed and pulled to be opened and closed through the swing arm; when the swing arm is in a locking state, the swing arm is contained in the groove body, and a user is prevented from being injured by the protruded swing arm.

Drawings

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

Fig. 1 is an explosion diagram of the present invention.

Fig. 2 is a front view of the present invention in a locked state.

Fig. 3 is a side view of the utility model in a locked state.

Fig. 4 is a front view of the present invention in an open state.

Fig. 5 is a side view of the present invention in an open state.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention. In the description of the present application, it is to be understood that the terms "longitudinal," "radial," "length," "width," "thickness," "upper," "lower," "left," "right," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the indicated orientations and positional relationships based on the orientation shown in the drawings for ease of description and simplicity of description, but 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 considered limiting of the present application. In the description of the present application, the meaning of "a plurality" is two or more unless otherwise specified.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 this application will be understood to be a specific case for those of ordinary skill in the art.

Referring to fig. 1-5, a torsion spring type flat lock includes a lock body 1 and a swing arm 2 rotatably mounted on the lock body 1; the lock body 1 is provided with a groove body 110 for accommodating the swing arm 2; the bottom of the lock body 1 is rotatably connected with a locking plate 3; a connecting part 210 is arranged at one end of the swing arm 2, and the swing arm 2 is connected with the locking plate 3 through the connecting part 210 and a connecting rod 4; an outwardly protruding torsion spring 5 is arranged in the trough body 110, one end of the torsion spring 5 is fixed in the trough body 110, and the other end is fixed at the connecting part 210; the swing arm 2 has a locked state that the swing arm is accommodated and limited in the groove body 110 and can not rotate, and an opened state that the swing arm 2 inclines relative to the lock body 1, when the lock body is opened, one end of the swing arm 2 with the connecting part 210 is pressed, and the swing arm 2 swings to drive the connecting rod 4 to move, so that the locking plate 3 is driven to rotate. The swing arm 2 is pressed through one key, the connecting rod 4 is driven to move, then thrust is applied to the locking plate 3, linear motion of the swing arm 2 is converted into curvilinear motion of the locking plate 3, and locking or unlocking of the plane lock is achieved; meanwhile, the swing arm 2 inclined relative to the lock body 1 can be used as a handle, and the cabinet door can be pushed and pulled to be opened and closed through the swing arm 2; when the swing arm 2 is locked, the swing arm 2 is accommodated in the slot 110, so that the user is prevented from being injured by the protruding swing arm 2.

The lock body 1 and the swing arm 2 are both made of stainless steel, have good color and luster, are not easy to rust and corrode, and have long service life. The connecting portion 210 and the swing arm 2 are integrally formed, or may be fastened or welded to the swing arm 2.

A first mounting position 111 and a second mounting position 112 are arranged on two sides of the trough body 110; the connecting part 210 is provided with a mounting hole 211 corresponding to the first mounting position 111, and the connecting part 210 is limited and mounted in the first mounting position 111 by penetrating through the mounting hole 211 through the first rotating shaft 6, and meanwhile, the swing arm 2 can be connected to the groove body 110; since the connecting portion 210 can rotate via the first rotating shaft 6, the swing arm 2 is driven to rotate. The second mounting position 112 is used for mounting the torsion spring 5.

The torsion spring 5 is of a V-shaped structure, two ends of the torsion spring 5 are suitable for different objects, one end of the torsion spring is coiled into a ring shape, and the other end of the torsion spring is straight; the one end that torsional spring 5 is the circlewise is installed in second installation position 112, second pivot 7 pass torsional spring 5 and be connected of circlewise one end after, realize torsional spring 5 and cell body 110.

The connecting portion 210 is further provided with a connecting rod mounting hole 212 and a torsion spring mounting hole 213, and the mounting hole 211 is located between the connecting rod mounting hole 212 and the torsion spring mounting hole 213 to avoid mutual interference between the connecting rod mounting hole 212 and the torsion spring mounting hole 213 during movement; one end of the connecting rod 4 penetrates through the connecting rod mounting hole 212 to realize the mounting of the connecting rod 4, and because the tail end of the connecting rod 4 is rod-shaped, after the tail end of the connecting rod 4 penetrates through the connecting rod mounting hole 212, the tail end of the connecting rod 4 is pressed and deformed by a tool or is provided with a thread, and is fixed in a screwing mode, so that the connecting rod 4 is prevented from falling off in the using process; and after the straight end of the torsion spring 5 passes through the torsion spring mounting hole 213, the end is bent by a tool to hook the connecting part, thereby fixing the torsion spring 5.

The connecting rod 4 is provided with two bent parts, a first bent part parallel to the lock body 1 and a second bent part vertical to the lock body 4 downwards; the first bent portion corresponds to the connecting portion 210, and the second bent portion corresponds to the locking piece 3.

The locking plate 3 is provided with a limiting hole 301, the second bending part of the connecting rod 4 is arranged corresponding to the limiting hole 301, and the second bending part hooks the limiting hole 301 to realize the linkage of the locking plate 3 and the connecting part 210.

The bottom surface 113 is arranged at one end of the groove body 110 corresponding to the locking plate 3, the mounting column 114 with internal threads is arranged on the bottom surface 113, and the screw hole 302 formed by the mounting column 114 corresponding to the locking plate 3 is connected to the groove body 110 through a nut 8 locking screw.

The end of the swing arm 2 opposite to the connecting part 210 is provided with a limiting block 201, so that the swing arm 2 can be aligned to the plane of the lock body 1, and the lock is more attractive.

The back of the lock body 1 is provided with two mounting blocks 120, and the two mounting blocks 120 are distributed at two ends of the lock body 1 and used for mounting the whole plane lock on a cabinet door.

The utility model discloses an installation: putting the swing arm 2 into the slot body 110, wherein the connecting part 210 corresponds to the first mounting position 111, connecting the lock body 1 with the swing arm 2 by using the first rotating shaft 6, and mounting the torsion spring 5 in the slot body 110 through the torsion spring mounting hole 213 and the second mounting position 112, thereby realizing double connection between the slot body 110 and the connecting part 210; after one end of the connecting rod 4 is installed on the connecting portion 210 through the connecting rod installation hole 212, the other end of the connecting rod 4 is vertically downward, the limiting hole 301 of the locking plate 3 corresponds to the other end of the connecting rod 4, the screw hole 302 of the locking plate 3 corresponds to the installation column 114, and the installation of the locking plate 3 and the linkage of the locking plate 3 and the connecting portion 210 are achieved.

The working principle of the present invention is further described below:

as shown in the directions of fig. 3 and 5, when the lock is used, one end of the swing arm 2 having the connecting portion 210 is pressed, that is, a right pressure is applied to the lower end of the swing arm 2 in fig. 3, the whole swing arm 2 tilts relative to the lock body 1, as shown in fig. 5, two ends of the connecting rod 4 rotate, and the connecting rod 4 also pushes in the direction of the lock plate 3, so that the lock plate 3 rotates under the pushing force of the connecting rod 4, the rotation angle of the lock plate 3 is 70 °, and the end of the torsion spring 5 connected to the connecting portion 210 is pulled upwards, thereby preventing the swing arm 2 from tilting excessively; one end of the swing arm 2 provided with the limiting block 201 is pressed down, the connecting rod 4 is pulled by the swing arm 2 to reset, and meanwhile, the swing arm 2 is applied with force by the torsion spring 5, so that the swing arm 2 can reset in the groove body 110.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A torsion spring type plane lock is characterized in that: comprises a lock body (1) and a swing arm (2) which is rotatably arranged on the lock body (1); the lock body (1) is provided with a groove body (110) for accommodating the swing arm (2); the bottom of the lock body (1) is rotatably connected with a locking plate (3); one end of the swing arm (2) is provided with a connecting part (210), and the swing arm (2) is connected with the locking plate (3) through the connecting part (210) and a connecting rod (4); a torsion spring (5) which protrudes outwards is arranged in the groove body (110), one end of the torsion spring (5) is fixed in the groove body (110), and the other end of the torsion spring is fixed on the connecting part (210); the swing arm (2) has a locking state of containing and limiting the non-rotation in the groove body (110) and an opening state of inclining relative to the lock body (1), when the lock is opened, one end of the swing arm (2) with the connecting part (210) is pressed, and the swing arm (2) swings to drive the connecting rod (4) to move, so that the locking plate (3) is driven to rotate.

2. A torsion spring type flat lock according to claim 1, wherein: a first mounting position (111) and a second mounting position (112) are arranged in the groove body (110); the connecting part (210) is provided with a mounting hole (211) corresponding to the first mounting position (111), and the swing arm (2) can be rotatably connected relative to the groove body (110) through the first rotating shaft (6); one end of the torsion spring (5) is fixedly arranged at the second mounting position (112) through the second rotating shaft (7).

3. A torsion spring type flat lock according to claim 2, wherein: connecting portion (210) still seted up connecting rod mounting hole (212) and torsional spring mounting hole (213), connecting rod mounting hole (212) are passed to the one end of connecting rod (4), the other end fixed mounting in torsional spring mounting hole (213) of torsional spring (5).

4. A torsion spring type flat lock according to claim 1, wherein: the groove body (110) is partially provided with a bottom surface (113); the bottom surface (113) is provided with a mounting column (114) with internal threads, and the locking plate (3) is mounted through the mounting column (114).

5. A torsion spring type flat lock according to claim 4, wherein: the locking plate (3) is provided with a screw hole (302) and a limiting hole (301), and is fixedly arranged at the bottom of the groove body 9110 through the screw hole (302); the other end of the connecting rod (4) hooks the limiting hole (301).

6. A torsion spring type flat lock according to claim 1, wherein: and a limiting block (201) is arranged at one end of the swing arm (2) opposite to the connecting part (210).

7. A torsion spring type flat lock according to claim 6 wherein: the back of the lock body (1) is provided with a mounting block (120).