Back locking type door and window handle

Abstract

The utility model relates to the technical field of door and window handles, in particular to a back locking type door and window handle which comprises a connecting plate and a gasket, the rear end face of the connecting plate is fixedly connected with the front face of the gasket, the inner wall of the connecting plate is rotatably connected with a rotating shaft, the front face of the rotating shaft is fixedly connected with a handle, and the rear end face of the rotating shaft is fixedly connected with a clamping plate. The bottom of the handle is connected with a back locking structure, the back locking structure is matched with the grip to drive the screw rod to rotate backwards through the bent plate, the back portion of the outer wall of the screw rod is connected with the front notch of the connecting plate in an inserted mode, the position of the handle is fixed, rotation is avoided, the screw rod is matched with the grip to rotate reversely, and therefore the handle is locked. The handle can move when the screw is separated from the connecting plate, an original elastic structure control mode is changed, the back locking performance of the back locking type door and window handle is guaranteed, and the service life of the back locking type door and window handle is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of reverse-locking door and window handles, in particular to a reverse-locking door and window handle. Background Art

[0002] Door and window handles are devices installed on door and window sashes that have the function of opening and tightening after closing. They are mostly made of aluminum alloy, copper, stainless steel, plexiglass, plastic and other materials.

[0003] For example, a new type of anti-locking door and window handle with the authorization announcement number "CN210342919U" is disclosed. The new type of anti-locking door and window handle described in the utility model is realized by rotating the fork clamping lock strip to realize the anti-hook groove set on one side of the anti-locking movable plate to drive the limit column to move in the limit column groove, and move the drag plate and the pressure plate to the same side to realize the anti-locking effect, and the inward door handle can also directly rotate the anti-locking movable plate to unlock the anti-locking movable plate and the lock core, without the need to install another anti-locking and unlocking device, which is more practical. However, an elastic structure is used for control in the use of the anti-locking door and window handle. Since the anti-locking door and window handle is small in size, the spring used inside will also be small. In addition, the anti-locking door and window handle needs to be opened and closed frequently, which will consume a lot of springs. The elastic force of the spring will be affected for a long time, affecting the anti-locking performance of the anti-locking door and window handle and shortening the service life of the anti-locking door and window handle. Utility Model Content

[0004] The utility model aims to solve the problem of affecting the anti-locking performance of the anti-locking door and window handle and shortening the service life of the anti-locking door and window handle, and proposes an anti-locking door and window handle.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A reverse-locking door and window handle is designed, comprising a connecting plate and a gasket, wherein the rear end face of the connecting plate is fixedly connected to the front face of the gasket, the inner wall of the connecting plate is rotatably connected to a rotating shaft, the front face of the rotating shaft is fixedly connected to a handle, the rear end face of the rotating shaft is fixedly connected to a clamping plate, the clamping plate is located behind the gasket, and the bottom of the handle is connected to a reverse-locking structure.

[0007] Preferably, the anti-locking structure comprises a curved plate and a screw rod, the top of the curved plate is fixedly connected to the bottom of the handle, the inner wall of the curved plate is threadedly connected to the outer wall of the screw rod, and the front side of the screw rod is fixedly connected to the handle.

[0008] Preferably, the rear of the outer wall of the screw rod is plugged into the front notch of the connecting plate.

[0009] Preferably, a circular opening is processed at the lower part of the front surface of the connecting plate.

[0010] Preferably, a slide groove is processed on the upper front side of the connecting plate.

[0011] Preferably, a straight cylinder is slidably engaged with the inner wall of the slide groove, and the inner walls of the straight cylinder and the round mouth are both processed with threads.

[0012] The utility model proposes a reverse locking door and window handle, which has the following beneficial effects: the screw is driven to rotate backwards through the curved plate by the cooperation handle in the reverse locking structure, so that the rear of the outer wall of the screw is plugged into the front groove of the connecting plate, thereby completing the position fixation of the handle to avoid rotation; the screw is rotated in the reverse direction by the cooperation handle so that the screw is separated from the connecting plate and the handle can be moved, thus changing the original elastic structure control form, ensuring the reverse locking performance of the reverse locking door and window handle, and ensuring the service life of the reverse locking door and window handle. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 for Figure 1 Schematic diagram of the connection relationship between the central shaft, the handle and the pallet;

[0015] Figure 3 for Figure 1 The structural diagram of A in the figure;

[0016] Figure 4 for Figure 1 Schematic diagram of the structure of the middle gasket.

[0017] In the figure: 1, connecting plate, 2, anti-locking structure, 201, curved plate, 202, screw, 203, handle, 3, rotating shaft, 4, handle, 5, clamping plate, 6, slide groove, 7, straight tube, 8, round mouth, 9, washer. DETAILED DESCRIPTION

[0018] The utility model is further described below in conjunction with the accompanying drawings:

[0019] See also Figure 1-4 : In this embodiment, a reverse-locking door and window handle includes a connecting plate 1 and a gasket 9. The rear end face of the connecting plate 1 is fixedly connected to the front face of the gasket 9. The gasket 9 is made of rubber. The inner wall of the connecting plate 1 is rotatably connected to a rotating shaft 3. The rotating shaft 3 is rotated by receiving force through the inner wall bearing of the connecting plate 1. A handle 4 is fixedly connected to the front face of the rotating shaft 3. The handle 4 is convenient for driving the rotating shaft 3 to rotate. A clamping plate 5 is fixedly connected to the rear end face of the rotating shaft 3. The clamping plate 5 is located behind the gasket 9. The bottom of the handle 4 is connected to an reverse-locking structure 2.

[0020] The anti-locking structure 2 includes a curved plate 201 and a screw rod 202. The top of the curved plate 201 is fixedly connected to the bottom of the handle 4. The inner wall of the curved plate 201 is threadedly connected to the outer wall of the screw rod 202. The screw rod 202 is subjected to force to rotate back and forth through the inner wall of the curved plate 201. The front of the screw rod 202 is fixedly connected with a handle 203. The handle 203 is convenient for driving the screw rod 202 to rotate back and forth. The rear of the outer wall of the screw rod 202 is plugged into the front notch of the connecting plate 1.

[0021] The screw rod 202 is driven to rotate backward through the curved plate 201 by cooperating with the handle 203 in the anti-locking structure 2, so that the rear of the outer wall of the screw rod 202 is plugged into the front groove of the connecting plate 1, thereby fixing the position of the handle 4 and preventing it from rotating. The screw rod 202 is rotated in the opposite direction by cooperating with the handle 203 to separate the screw rod 202 from the connecting plate 1, so that the handle 4 can move. The original elastic structure control form is changed, the anti-locking performance of the anti-locking door and window handle is guaranteed, and the service life of the anti-locking door and window handle is guaranteed.

[0022] A round opening 8 is processed at the lower front of the connecting plate 1, and a slide groove 6 is processed at the upper front of the connecting plate 1. A straight cylinder 7 is slidably engaged with the inner wall of the slide groove 6. The straight cylinder 7 slides up and down through the inner wall of the slide groove 6 under force. The inner walls of the straight cylinder 7 and the round opening 8 are both processed with threads.

[0023] Working principle:

[0024] When using the door and window handle (composed of the connecting plate 1, the rotating shaft 3, the handle 4 and the clamping plate 5), first fit the rear of the connecting plate 1 with the connection of the door panel or window body. At this time, the clamping plate 5 has been inserted into the connection, and the washer 9 plays a role of contact anti-friction protection. Then the bolt 8 passes through the round mouth 8 to connect with the door body or window. Then the straight tube 7 slides up and down on the inner wall of the slide groove 6 to adjust the position. Then the bolt passes through the straight tube 7 and is threadedly connected with the door body or window to complete the position fixing of the connecting plate 1. Hold the handle 4 and rotate it up and down. The rotating shaft can be used to drive the card plate 5 to rotate up and down, so that the position of the card plate 5 changes at the connection between the door body or the window to control the opening and closing. When the handle 4 is in a closed state, the handle 203 is used to drive the screw rod 202 to rotate backward through the curved plate 201, so that the rear of the outer wall of the screw rod 202 is plugged into the front groove of the connecting plate 1, thereby completing the position fixation of the handle 4 and preventing it from rotating. The handle 203 is used to rotate the screw rod 202 in the opposite direction to make the screw rod 202 detach from the connecting plate 1, so that the handle 4 can be moved.

[0025] Although the present invention has been shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.

Claims

1. A reverse locking door and window handle, comprising a connecting plate (1) and a gasket (9), characterized in that: The rear end face of the connecting plate (1) is fixedly connected to the front face of the gasket (9); the inner wall of the connecting plate (1) is rotatably connected to a rotating shaft (3); the front face of the rotating shaft (3) is fixedly connected to a handle (4); the rear end face of the rotating shaft (3) is fixedly connected to a clamping plate (5); the clamping plate (5) is located behind the gasket (9); and the bottom of the handle (4) is connected to an anti-locking structure (2).

2. The reverse locking door and window handle according to claim 1, characterized in that: The anti-locking structure (2) comprises a curved plate (201) and a screw rod (202); the top of the curved plate (201) is fixedly connected to the bottom of the handle (4); the inner wall of the curved plate (201) is threadedly connected to the outer wall of the screw rod (202); and the front surface of the screw rod (202) is fixedly connected to a handle (203).

3. The reverse locking door and window handle according to claim 2, characterized in that: The rear of the outer wall of the screw rod (202) is plugged into the front notch of the connecting plate (1).

4. The reverse locking door and window handle according to claim 1, characterized in that: A circular opening (8) is machined at the lower front side of the connecting plate (1).

5. The reverse locking door and window handle according to claim 1, characterized in that: A slide groove (6) is machined on the upper front surface of the connecting plate (1).

6. The reverse locking door and window handle according to claim 5, characterized in that: The inner wall of the slide groove (6) is slidably engaged with a straight cylinder (7), and the inner walls of the straight cylinder (7) and the round mouth (8) are both processed with threads.

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