Novel door lock
By designing a new door lock including a lock core, a rotating shaft, a bending plate, a toggle assembly, a lock tongue and a strip hole, the problem that existing electrical cabinet door locks are prone to break the handle during opening and closing, and the door lock is automatically opened and closed, and the handle is avoided breaking.
Patent Information
- Application Number
- CN202421947850.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-13
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2034-08-13
AI Technical Summary
The lock of the existing electrical cabinet door is likely to cause the handle to break during opening and closing. The reason is that the operator does not understand the operation that needs to be twisted and directly pull the handle to cause damage to the handle.
A new type of door lock is designed, including a lock core, a rotating shaft, a bending plate, a toggle assembly, a lock tongue and a bar hole. The automatic operation of the toggle assembly and a lock tongue enables automatic opening and closing of the door lock, avoiding the need to rotate the handle.
The door lock is automatically opened and closed, avoiding the handle breakage, and the door lock is opened and closed without turning the handle during operation.
Smart Images

Figure CN222667903U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of door locks, in particular to a novel door lock. Background Art
[0002] The electrical cabinet is equipped with a door lock to facilitate opening the electrical cabinet door. The electrical cabinet includes a fire cabinet, a distribution cabinet, a power cabinet, etc. The current method of opening the electrical cabinet door is to first open the handle on the door lock, and then rotate the handle to rotate the inner lock tongue. After the lock tongue is out of the position of the cabinet door frame, the cabinet door can be opened. This method easily causes the handle to break. The reason is mostly that the operator does not know the need to twist the operation. In the case of twisting, directly pulling the handle will cause the handle to break.
[0003] The patent publication number CN106376195A was retrieved, and the patent name is a public material of an electrical cabinet door lock, which specifically discloses an electrical cabinet door lock, which includes a cabinet door lock, which is arranged on the cabinet door of the electrical cabinet, and also includes a locking device and a power state detector. A locking device connected to the cabinet door lock is provided on the cabinet body. The power state monitor is used to detect whether the components in the electrical cabinet are energized and output the detection results to the locker. The working state of the locker includes a locked state and an unlocked state. The locker enters a locked state according to the power signal of the power state detector or enters an unlocked state according to the unpowered signal, and when the locker is in the locked state, the cabinet door lock cannot be switched from a closed position to an open position.
[0004] By analyzing the above public materials, it can be known that although the door lock can be opened and closed, it is easy to cause the handle to break. Utility Model Content
[0005] In view of this, the utility model provides a novel door lock, which can not only realize automatic opening and closing of the door lock, but also does not require turning the handle, thereby preventing the handle from breaking.
[0006] In order to solve the above technical problems, the utility model provides a new door lock, including:
[0007] A lock core, wherein the lock core is fixed on the door body;
[0008] A rotating shaft, which is arranged on the lock core and has a distance from the inner bottom surface of the lock core;
[0009] A bending plate, wherein the bending plate is arranged on one side of the lock core;
[0010] A toggle assembly, the toggle assembly includes a connection hole connected to the rotating shaft, and also includes a fixed plate, the fixed plate is connected to a swing plate, the toggle assembly also includes a backing plate, the backing plate contacts the plate surface of the bending plate after rotating, and is pressed and fixed;
[0011] A lock tongue, wherein the lock tongue is arranged on the outer side of the lock core, the lock tongue has a hole, and the swing plate passes through the hole;
[0012] A strip-shaped hole is arranged on the inner bottom surface of the lock core, and the swing plate passes through the hole.
[0013] Furthermore, the lock core is a sheet metal part, and the two sides are bent to form side walls. The front end of the lock core is a bending plate, which is formed by bending and has a hole, through which the lock core is fixed to the door body.
[0014] Furthermore, the toggle assembly is a plate-like structure, the fixed plate and the swing plate are at a right angle, the connecting hole is arranged at the right-angle intersection position, and a rotating shaft is inserted into the connecting hole, and the toggle assembly can rotate around the rotating shaft.
[0015] Furthermore, the abutment plate is arranged on the outer side of the right-angle intersection on the toggle assembly and protrudes outward. The length of the abutment plate is not less than the distance between the inner side surface of the bending plate and the outer side surface of the swinging plate, and the toggle assembly is fixed by the extrusion force between the abutment plate and the bending plate.
[0016] Furthermore, a special-shaped hole is provided in the middle of the lock tongue, and a fixing piece B is provided on the inner side of the special-shaped hole. The fixing piece B is fixedly connected to the outer side surface of the lock core, and the lock tongue can swing in the space formed by the fixing piece B.
[0017] Furthermore, a fixing part A is provided on the lock core, and is connected to a base through the fixing part A. The lock tongue and the fixing part A are arranged on the outer side of the base, and a strip hole is also provided on the base at a position corresponding to the lock core. The swing plate passes through the strip hole on the base and is inserted into the hole in the middle of the lock tongue.
[0018] Furthermore, a lock panel is provided on the outer side surface of the lock core, and a notch is provided in the middle of the lock panel.
[0019] Furthermore, a cover plate is provided on the outer side surface of the handle, and the cover plate is provided at the notch in the middle of the lock panel.
[0020] The beneficial effects of the above technical solution of the utility model are as follows:
[0021] 1. The door lock can be opened and closed automatically. By setting a toggle component and a lock tongue, the lock tongue can be automatically closed and opened.
[0022] 2. There is no need to turn the handle to prevent it from breaking. During operation, the door lock can be opened and closed without turning the handle. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1It is a schematic diagram of the structure of the utility model;
[0024] Figure 2 for Figure 1 Rear view of
[0025] Figure 3 for Figure 1 Stereoscopic image of
[0026] Figure 4 for Figure 3 A schematic diagram of the structure from another perspective;
[0027] Figure 5 This is a schematic diagram of the structure after removing the cover plate and lock panel;
[0028] Figure 6 for Figure 5 A schematic diagram of the structure from another perspective;
[0029] Figure 7 for Figure 5 Schematic diagram of the structure after removing the handle;
[0030] Figure 8 It is a structural schematic diagram of the lock tongue;
[0031] In the figure: 1. base; 2. lock core; 3. rotating shaft; 4. fixing part A; 5. bending plate; 6. fixing part B; 7. lock tongue; 8. handle; 9. toggle assembly; 91. connecting hole; 92. fixing plate; 93. swing plate; 94. abutment plate; 10. lock panel; 11. cover plate; 12. strip hole. DETAILED DESCRIPTION
[0032] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model clearer, the following will be combined with the appended drawings of the embodiment of the utility model. Figure 1-8 , the technical scheme of the embodiment of the utility model is clearly and completely described. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field belong to the scope of protection of the utility model.
[0033] like Figure 1-8 As shown: Example
[0034] A new door lock comprises a lock core 2, which is fixed on a door body; a rotating shaft 3, which is arranged on the lock core 2 and has a distance from the inner bottom surface of the lock core 2; a bending plate 5, which is arranged on one side of the lock core 2; a toggle assembly 9, which comprises a connecting hole 91 connected to the rotating shaft 3, and also comprises a fixed plate 92, wherein the fixed plate 92 is connected to a swing plate 93, and the toggle assembly 9 also comprises a butt plate 94, which contacts the plate surface of the bending plate 5 after rotating and is squeezed and fixed; a lock tongue 7, which is arranged on the outer side surface of the lock core 2, and has a hole on the lock tongue 7, and the swing plate 93 passes through the hole; a strip hole 12, which is arranged on the inner bottom surface of the lock core 2, and the swing plate 93 passes through the hole.
[0035] The lock cylinder 2 is fixed on the door body, and a rotating shaft 3 is arranged inside the lock cylinder 2, and a toggle assembly 9 is installed on the rotating shaft 3. A connecting hole 91 is arranged on the toggle assembly 9, and the connecting hole 91 is used for the insertion of the rotating shaft 3, and the toggle assembly 9 can rotate on the rotating shaft 3. A bending plate 5 is arranged on the lock cylinder 2, and the directions of the bending plate 5 and the rotating shaft 3 are on the same side of the bottom surface of the lock cylinder 2, that is, the direction of the bending plate 5 is toward the direction of the rotating shaft 3. A resist plate 94 is arranged on the toggle assembly 9, and the resist plate 94 can be squeezed and fixed between the bending plate 5 under the rotation of the toggle assembly 9, thereby realizing the fixation of the toggle assembly 9, and a swing plate 93 is arranged on the toggle assembly 9, and the swing plate 93 passes through the strip hole 12 arranged on the lock cylinder 2, and then passes through the special-shaped hole on the lock tongue 7. Through the setting of the special-shaped hole, the lock tongue 7 can be swung during the swinging process of the swing plate 93, and the swinging of the lock tongue 7 realizes the opening and closing of the door lock. Example
[0036] The lock core 2 is a sheet metal part, and the two sides are bent to form side walls. The front end of the lock core 2 is a bending plate 5, which is formed by bending and is provided with a hole, through which the lock core 2 is fixed to the door body.
[0037] Different from the above embodiment, in this embodiment, the lock core 2 is formed by bending a sheet metal part, wherein four side surfaces are bent to form a housing of the lock core 2, and the rotating shaft 3 is arranged in the housing, and the rotating shaft 3 is parallel to the bottom surface. In addition, a hole is arranged on the bending plate 5 for fixing the lock core 2 in a hole dug out in advance in the door body. Example
[0038] The toggle assembly 9 is a plate-like structure, the fixed plate 92 and the swing plate 93 are at a right angle, the connecting hole 91 is arranged at a right-angle intersection, and a rotating shaft 3 is inserted into the connecting hole 91 , and the toggle assembly 9 can rotate around the rotating shaft 3 .
[0039] Different from the above embodiment, in this embodiment, the toggle assembly 9 is a plate-like structure, wherein the fixed plate 92 and the swing plate 93 are at a right angle, and the connecting hole 91 is arranged at a right angle position. The rotation of the fixed plate 92 can drive the rotation of the swing plate 93. Example
[0040] The abutment plate 94 is arranged on the outer side of the right-angle intersection on the toggle assembly 9 and protrudes outward. The length of the abutment plate 94 is not less than the distance between the inner side surface of the bending plate 5 and the outer side surface of the swing plate 93, and the toggle assembly 9 is fixed by the extrusion force between the abutment plate 94 and the bending plate 5.
[0041] Different from the above-mentioned embodiment, in this embodiment, the butt plate 94 is arranged on the outer end surface of the swing plate 93 and protrudes outward. The butt plate 94 is used to butt against the bending plate 5 to achieve fixation. The butt plate 94 is preferably fan-shaped. Example
[0042] A special-shaped hole is arranged in the middle of the lock tongue 7, and a fixing piece B6 is arranged inside the special-shaped hole. The fixing piece B6 is fixedly connected to the outer side surface of the lock core 2, and the lock tongue 7 can swing in the space formed by the fixing piece B6.
[0043] Different from the above-mentioned embodiment, in this embodiment, a special-shaped hole is provided on the lock tongue 7, and the lock tongue 7 is swung in the area by two fixing members B6, and the fixing members B6 play the role of limiting the position. Example
[0044] The lock core 2 is provided with a fixing part A4, and is connected to the base 1 through the fixing part A4. The lock tongue 7 and the fixing part A4 are arranged on the outer side of the base 1, and a strip hole 12 is also arranged on the base 1 at a corresponding position to the lock core 2. The swing plate 93 passes through the strip hole 12 on the base 1 and is inserted into the hole in the middle of the lock tongue 7.
[0045] Different from the above embodiment, in this embodiment, the fixing member A4 is used to fix the base 1 and the lock core 2. In this embodiment, the lock tongue 7 is fixed on the base 1, and the base 1 is connected to the lock core 2 through the fixing member A4. In this way, the door lock can be opened and closed. Example
[0046] A lock panel 10 is arranged on the outer side of the lock core 2 , and a notch is arranged in the middle of the lock panel 10 .
[0047] Different from the above embodiment, in this embodiment, in order to achieve aesthetics, a lock panel 10 is provided on the outer surface of the lock core 2, and the lock panel 10 is fixedly connected to the lock core 2, and the lock panel 10 can adapt to the color of the cabinet door. Example
[0048] A cover plate 11 is disposed on the outer side of the handle 8 , and the cover plate 11 is disposed at the notch in the middle of the lock panel 10 .
[0049] Different from the above-mentioned embodiment, in this embodiment, a cover plate 11 is provided on the outer side of the handle 8 , and the cover plate 11 is also provided for aesthetic purposes.
[0050] The working method (or working principle) of the utility model:
[0051] When the present technology is working, the cover plate 11 is manually opened, and the cover plate 11 drives the handle 8 to be opened outward, and the handle 8 drives the fixed plate 92 to rotate. Since the rotating shaft 3 is provided, the fixed plate 92 moves around the rotating shaft 3, and the swing plate 93 also rotates around the rotating shaft 3. At this time, the abutment plate 94 is separated from the bending plate 5, and the swing plate 93 drives the lock tongue 7 to move. After the outer side of the lock tongue 7 swings, the door lock is in the open state; when the door lock needs to be closed, it is only necessary to press the cover plate 11 inward. Under the action of the swing plate 93, the outer part of the lock tongue 7 swings to achieve the closing of the door lock.
[0052] In the present invention, unless otherwise clearly stipulated and limited, for example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, for ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.
[0053] The above is a preferred embodiment of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.
Claims
1. A new type of door lock, characterized by: include, A lock core (2), wherein the lock core (2) is fixed on the door body; A rotating shaft (3), wherein the rotating shaft (3) is arranged on the lock core (2) and has a distance from the inner bottom surface of the lock core (2); A bending plate (5), wherein the bending plate (5) is arranged on one side of the lock core (2); A toggle assembly (9), the toggle assembly (9) comprising a connection hole (91) connected to the rotating shaft (3), and also comprising a fixing plate (92), wherein the fixing plate (92) is connected to a swinging plate (93), and the toggle assembly (9) also comprises a butt plate (94), wherein the butt plate (94) contacts the plate surface of the bending plate (5) after rotation, and is pressed and fixed; A lock tongue (7), wherein the lock tongue (7) is arranged on the outer side of the lock core (2), the lock tongue (7) has a hole, and the swing plate (93) passes through the hole; A strip-shaped hole (12) is arranged on the inner bottom surface of the lock core (2), and the swing plate (93) passes through the hole.
2. A new door lock according to claim 1, characterized in that: The lock core (2) is a sheet metal part, and two sides thereof are bent to form side walls. The front end of the lock core (2) is a bending plate (5), which is formed by bending, and a hole is provided on the bending plate (5), through which the lock core (2) is fixed to the door body.
3. A new door lock according to claim 2, characterized in that: The toggle assembly (9) is a plate-shaped structure, the fixed plate (92) and the swing plate (93) form a right angle, the connecting hole (91) is arranged at a right-angle intersection position, and a rotating shaft (3) is inserted into the connecting hole (91), and the toggle assembly (9) can rotate around the rotating shaft (3).
4. A new door lock according to claim 3, characterized in that: The abutment plate (94) is arranged on the outer side of the right-angle intersection on the toggle assembly (9) and protrudes outward. The length of the abutment plate (94) is not less than the distance between the inner side surface of the bending plate (5) and the outer side surface of the swing plate (93), and the toggle assembly (9) is fixed by the squeezing force between the abutment plate (94) and the bending plate (5).
5. A new door lock according to claim 4, characterized in that: A special-shaped hole is arranged in the middle of the lock tongue (7), a fixing piece B (6) is arranged inside the special-shaped hole, the fixing piece B (6) is fixedly connected to the outer side surface of the lock core (2), and the lock tongue (7) can swing in the space formed by the fixing piece B (6).
6. A new door lock according to claim 5, characterized in that: The lock core (2) is provided with a fixing member A (4) and is connected to the base (1) via the fixing member A (4); the lock tongue (7) and the fixing member A (4) are arranged on the outer side of the base (1); and a strip hole (12) is also arranged on the base (1) at a position corresponding to the lock core (2); the swing plate (93) passes through the strip hole (12) on the base (1) and is inserted into the hole in the middle of the lock tongue (7).
7. A new door lock according to claim 6, characterized in that: A lock panel (10) is provided on the outer side surface of the lock core (2), and a notch is provided at the middle position of the lock panel (10).
8. A new door lock according to claim 7, characterized in that: A cover plate (11) is arranged on the outer side surface of the handle (8), and the cover plate (11) is arranged at the notch in the middle of the lock panel (10).
Citation Information
Patent Citations
Electrical cabinet door lock
CN106376195A