Anti-theft cabinet door lock and cabinet door applying same

Abstract

The utility model provides an anti-theft cabinet door lock and a cabinet door applying the anti-theft cabinet door lock, the anti-theft cabinet door lock comprises a lock shell, a lock cylinder rotationally arranged in the lock shell and a spring bolt arranged at the mounting end of the lock cylinder; a through hole is formed in the lock shell, a cylinder hole is formed in the position, corresponding to the through hole, of the lock cylinder in a penetrating mode, the lock cylinder is rotated to enable the cylinder hole and the through hole to be aligned, then an anti-theft piece is inserted for locking, and meanwhile the spring bolt rotates to clamp the inner side of a cabinet door. Whether the cabinet door lock is opened or closed can be judged by observing the position of the core hole through the through hole, and a padlock can be installed for locking when the through hole and the core hole are coaxial.

Description

TECHNICAL FIELD

[0001] The utility model relates to a lock technology field especially relates to a theftproof cabinet door lock and the cabinet door of application thereof. BACKGROUND

[0002] The cabinet door lock is a device for locking storage furniture such as cabinets and drawers, and its main function is to restrict access to the contents of the cabinet, thereby providing security protection and privacy protection. Through the locking mechanism, only the correct key, password, fingerprint or other authorized means can open the cabinet door, thereby protecting valuable items, documents, tools and other items stored therein from unauthorized access, theft or damage.

[0003] Chinese patent CN205400303U discloses a cabinet door lock, comprising a shell, a hollow slot is arranged in the shell, an indicating piece is arranged on the hollow slot, a through hole is arranged in the hollow slot, a rotating shaft is arranged in the through hole, a rotating handle is connected to one end of the rotating shaft, a panel covering the bottom of the hollow slot is connected to the rotating handle, a window exposing the indicating piece is arranged on the panel, and a buckle protruding outward from the shell is arranged circumferentially on the shell. During use, the rotating handle is rotated to drive the rotating shaft to rotate in the hollow slot of the shell, thereby controlling the opening and closing of the door. At this time, the window on the panel is aligned with the indicating piece arranged at the bottom of the hollow slot of the shell during rotation, thereby informing the user whether the cabinet door is in an open or closed state.

[0004] However, the technical solution has the following disadvantages: the window is used to determine whether the cabinet door is in an open or closed state, and the effect is relatively single, lacking further anti-theft protection. SUMMARY

[0005] The utility model aims at the deficiency of prior art, provides a kind of theftproof cabinet door lock, through the through hole being set on lock shell, the core hole being set on lock cylinder, not only can be observed the position of core hole by through hole to determine whether cabinet door lock is in open or closed state, it can also install padlock when through hole and core hole are coaxial and lock.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A kind of theftproof cabinet door body lock, including lock shell, further including lock cylinder being rotated in the lock shell and lock bolt being arranged at the installation end of the lock cylinder;Through hole is set on the lock shell, and core hole is set on the lock cylinder corresponding the position of the through hole, and after the core hole is aligned with the through hole by rotating the lock cylinder, insert theftproof piece for locking, simultaneously, the inside of cabinet door body is clamped by rotating the lock bolt.

[0008] As an improvement, the lock shell is provided in a split manner as a first lock shell and a second lock shell; the first lock shell is mounted on the outside of the cabinet door body, the second lock shell is mounted on the inside of the cabinet door body, and the first lock shell and the second lock shell are connected through fasteners.

[0009] As an improvement, a mounting hole is formed in the middle of the first lock shell and the second lock shell, and the lock cylinder is rotatably arranged in the mounting hole.

[0010] As an improvement, a threaded hole is formed in the mounting end of the lock cylinder, and the lock tongue and the lock cylinder are connected and synchronously rotated through fasteners.

[0011] As an improvement, a mounting groove is formed on the lock tongue, and a positioning surface adapted to the mounting groove is arranged on the mounting end of the lock cylinder, so that the lock tongue is synchronously rotated with the lock cylinder.

[0012] As an improvement, a rotating handle is arranged at the other end of the lock cylinder.

[0013] As an improvement, a limiting groove for limiting the rotation angle of the lock cylinder is formed at the end of the lock shell.

[0014] As an improvement, a limiting member is protruded on one side of the rotating handle, and the limiting member is slidingly arranged in the limiting groove.

[0015] As an improvement, a handle is further arranged on the cabinet door body through fasteners.

[0016] As an improvement, the anti-theft member is a padlock.

[0017] Another object of the present application is to provide a single-door cabinet door, which comprises a cabinet door body and a theft-proof cabinet door lock as described above mounted on the cabinet door body, the lock tongue is in a "Z" shape, and the core hole is aligned with the through hole after the lock cylinder is rotated, and then the anti-theft member is inserted to lock, and at the same time, the lock tongue is rotated to engage the cabinet door body with the fixing member; the cabinet door body is rotatably or movably arranged, the position of the cabinet door body and the fixing member is changed, and the opening or closing of the cabinet body is realized, wherein the fixing member is a fixed cabinet or other fixed structure connected with the cabinet, so that the cabinet door body 1 can be engaged and locked with the fixing member after the lock tongue is rotated, and the cabinet is locked.

[0018] Another object of the present application is to provide a double-door cabinet door, which comprises two cabinet door bodies and two theft-proof cabinet door locks as described above mounted on the cabinet door bodies, the lock tongue is in a circular structure, or the lock tongue is cancelled, and the core holes on both sides are aligned with the through holes after the two lock cylinders are rotated, and then the anti-theft member is inserted to pass through the two groups of lock cylinders, so that the two cabinet door bodies are connected and locked.

[0019] The utility model discloses a beneficial effect lies in:

[0020] (1) the utility model discloses a through -hole is set up on the lock shell, and the core hole is set up on the lock cylinder, not only can the position of the core hole be observed through the through -hole to judge whether the cabinet door lock is in the opening or closing state, can also install the padlock when the through -hole and the core hole are coaxial and lock, simple structure, the cost is lower, convenient operation, and the emergency performance is good.

[0021] (2) the utility model discloses setting up the mounting groove on the lock tongue, and the end of lock cylinder mounting end is shaped with the mounting groove and is embedded in the mounting groove, and then the lock tongue is fixed on the screw hole through the fastener, so that the lock cylinder can stably drive the lock tongue to rotate when rotating, avoiding the occurrence of the lock tongue slipping and falling off, and the structure is stable.

[0022] (3) the utility model discloses setting up the limiting piece on the lock cylinder, and the limiting slot is set up on the lock shell corresponding to the limiting piece, which limits the rotation range of the lock cylinder, avoids excessive rotation during use, effectively reduces unnecessary wear of the lock cylinder, improves user experience, makes the unlocking and locking process more smooth and accurate, reduces the time waste caused by improper operation, and improves work efficiency.

[0023] (4) the utility model discloses installing the anti -theft cabinet door lock on the cabinet body of single -opening door, and the movable cabinet door body is clamped with the fixed part by the lock tongue, and then the padlock is inserted after the core hole and the through -hole are aligned, so that the single -opening door cabinet is locked.

[0024] (5) the utility model discloses installing two groups of anti -theft cabinet door locks on the cabinet body of double -opening door, and the core hole and the through -hole of the two groups of anti -theft cabinet door locks are aligned, so that the padlock passes through the two groups of anti -theft cabinet door locks simultaneously, and the double -opening door cabinet is locked.

[0025] In summary, the utility model has the advantages of simple and stable structure, convenient operation, good emergency performance, good user experience and the like. DRAWINGS

[0026] Figure 1 It is the whole structure schematic diagram of the utility model;

[0027] Figure 2 It is the utility model explosion map;

[0028] Figure 3 It is the lock cylinder lock tongue assembly schematic diagram;

[0029] Figure 4 It is the lock tongue structure schematic diagram;

[0030] Figure 5 It is the lock cylinder structure schematic diagram;

[0031] Figure 6 is a schematic view of the lock shell structure;

[0032] Figure 7 is a front view of the working condition one of the second embodiment of the utility model;

[0033] Figure 8 is a back view of the working condition one of the second embodiment of the utility model;

[0034] Figure 9 is a front view of the working condition two of the second embodiment of the utility model;

[0035] Figure 10 is a back view of the working condition two of the second embodiment of the utility model;

[0036] Figure 11 is a front view of the working condition of the third embodiment of the utility model;

[0037] Figure 12 is a front view of the working condition of the fourth embodiment of the utility model.

[0038] 1. cabinet door; 2. handle; 3. lock shell; 31. through hole; 32. first lock shell; 33. second lock shell; 34. mounting hole; 35. limiting groove; 4. lock cylinder; 41. core hole; 42. threaded hole; 43. rotating handle; 44. limiting piece; 45. positioning surface; 5. lock tongue; 51. mounting groove; 6. padlock. DETAILED DESCRIPTION

[0039] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0040] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is the orientation or positional relationship shown based on the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features.Therefore, the features limited by "first" and "second" can explicitly or implicitly include one or more of the features.In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise explicitly specified.

[0041] Embodiment one

[0042] As Figures 1 to 8 shown, the utility model provides a theftproof cabinet door lock, including lock shell 3, still including lock cylinder 4 of rotation in lock shell 3 and lock bolt 5 of installation end of lock cylinder 4;Lock shell 3 is provided with through hole 31, lock cylinder 4 is provided with core hole 41 on the position corresponding through hole 31, and lock bolt 5 is rotated and the inside of cabinet door body 1 is engaged after inserting theftproof piece for locking after rotating lock cylinder 4 makes core hole 41 with through hole 31 alignment.

[0043] It is worth mentioning here that by setting through hole 31 on lock shell 3 and setting core hole 41 on lock cylinder 4, not only can the position of core hole 41 be observed through through hole 31 to determine whether the cabinet door lock is in the open or closed state, but also can install padlock 6 for locking when through hole 31 and core hole 41 are coaxial, simple structure, low cost, convenient operation and good emergency performance.

[0044] As Figure 6 shown, the lock shell 3 is split type and is provided as a first lock shell 32 and a second lock shell 33;The first lock shell 32 is installed on the outside of the cabinet door body 1, and the second lock shell 33 is installed on the inside of the cabinet door body 1, and the first lock shell 32 and the second lock shell 33 are connected by fasteners.

[0045] It is worth mentioning here that the lock shell 3 is provided in a split type as a first lock shell 32 and a second lock shell 33, facilitating the installation of the lock shell 6 on the cabinet door body 1, and in the event of local damage during use, the corresponding part of the lock shell 3 can be replaced locally without the need to replace the entire lock shell 3, saving costs; and the first lock shell 32 and the second lock shell 33 are connected by fasteners, and the operation is simple and convenient when performing local replacement.

[0046] As shown in Figure 2 , the middle part of the first lock shell 32 and the second lock shell 33 is provided with a mounting hole 34, and the lock cylinder 4 is rotatably arranged in the mounting hole 34.

[0047] It is worth mentioning here that the mounting hole 34 facilitates the positioning and installation of the lock cylinder 4, and also facilitates the application of lubricating grease in the mounting hole, reducing damage caused by friction between the lock cylinder 4 and the lock shell 3, and improving the service life.

[0048] As shown in Figure 3 , the mounting end of the lock cylinder 4 is provided with a threaded hole 42, and the lock tongue 5 is connected to the lock cylinder 4 and rotates synchronously by means of fasteners.

[0049] As shown in Figure 4 , the lock tongue 5 is provided with a mounting groove 51, and the mounting end of the lock cylinder 4 is provided with a positioning surface 45 adapted to the mounting groove 51, so that the lock tongue 5 rotates synchronously with the lock cylinder 4.

[0050] It is worth mentioning here that the lock tongue 5 is provided with a mounting groove 51, and the end of the mounting end of the lock cylinder 4 is shaped and embedded in the mounting groove 51, and the lock tongue 5 is fixed to the threaded hole 42 by means of fasteners, ensuring that the lock cylinder 4 can stably drive the lock tongue 5 to rotate when rotating, avoiding the occurrence of slipping and falling of the lock tongue 5, and having high structural stability.

[0051] As shown in Figure 5 , the other end of the lock cylinder 4 is provided with a rotating handle 43.

[0052] It is worth mentioning here that the outer side of the rotating handle 43 is passivated, which is beneficial to the user when rotating.

[0053] As shown in Figure 2 , the end of the lock shell 3 is provided with a limiting groove 35 for limiting the rotation angle of the lock cylinder 4.

[0054] As shown in Figure 2 , one side of the rotating handle 43 is provided with a limiting piece 44, and the limiting piece 44 is slidingly arranged in the limiting groove 35.

[0055] It is worth mentioning here that the lock cylinder 4 is provided with a limiting piece 44, and a limiting groove 35 corresponding to the limiting piece 44 is formed on the lock shell 3 to limit the rotation range of the lock cylinder 4, avoid excessive rotation during use, effectively reduce unnecessary wear of the lock cylinder 4, further improve the user experience, make the locking and unlocking process more smooth and accurate, reduce the time waste caused by improper operation, and improve the work efficiency.

[0056] As Figure 7 shown, the handle 2 is provided on the cabinet door body 1 by fasteners.

[0057] It is worth mentioning here that the handle 2 assists the user to more conveniently control the cabinet door body 1.

[0058] The anti-theft piece is a padlock 6.

[0059] As Figure 7 shown, the padlock 6 is simple to install and convenient to operate. The key of the padlock is usually small and convenient to carry and store, has low cost, and is easy to maintain.

[0060] Embodiment two

[0061] As Figures 7 to 10 shown, the embodiment provides a single-door cabinet door, which comprises a cabinet door body 1 and an anti-theft cabinet door lock as described in embodiment one mounted on the cabinet door body 1. The lock tongue 5 is in a "Z" shape. After the core hole 41 is aligned with the through hole 31 by rotating the lock cylinder 4, the anti-theft piece is inserted to be locked. At the same time, the cabinet door body 1 is clamped with the fixing piece by rotating the lock tongue 5. The cabinet door body 1 is rotatably or movably arranged to change the position of the cabinet door body 1 and the fixing piece 100, so as to realize the opening or closing of the cabinet. The fixing piece 100 is a fixedly arranged cabinet or other fixing structure connected with the cabinet, so that the cabinet door body 1 can be clamped and locked with the fixing piece after the lock tongue 5 is rotated, thereby realizing the locking of the cabinet.

[0062] Embodiment three

[0063] As Figures 11 to 12 shown, the embodiment provides a double-door cabinet door, which comprises two cabinet door bodies 1 and two anti-theft cabinet door locks as described in embodiment one mounted on the cabinet door bodies 1 respectively. In the embodiment, the lock tongue 5 is in a circular structure, and the rotation process does not interfere with or cancels the lock tongue 5. After the core holes 41 on both sides are aligned with the through holes 31 by rotating the two lock cylinders 4, the anti-theft piece is inserted to penetrate the two groups of lock cylinders 4, so as to connect and lock the two cabinet door bodies 1.

[0064] Working steps

[0065] The user holds the rotating handle 43 to rotate the lock cylinder 4, the lock cylinder 4 drives the lock tongue 5 to rotate 180 degrees, and the locking of the cabinet door is completed; when the lock cylinder is in the locked state, the core hole 41 on the lock cylinder is coaxial with the through hole 31 on the lock shell 3, and the multi-protection locking is achieved by installing the padlock 6; when unlocking, the padlock 6 is opened and removed, the rotating handle 43 is held to reversely rotate the lock cylinder 4, the lock cylinder 4 drives the lock tongue 5 to reversely rotate 180 degrees, and the unlocking is completed.

[0066] The above merely describes the preferred embodiments of the present application and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A safe door lock comprising a lock housing, characterized in that Also included are: A lock cylinder rotatably arranged in the lock shell and a lock tongue arranged at the mounting end of the lock cylinder; The lock shell is provided with a through hole, and the lock cylinder is provided with a cylinder hole corresponding to the position of the through hole. The lock is locked by inserting the anti-theft piece after rotating the lock cylinder to align the cylinder hole with the through hole.

2. A safe cabinet door lock according to claim 1, characterized in that The lock shell is split into a first lock shell and a second lock shell; The first lock shell is mounted on the outer side of the cabinet door body, and the second lock shell is mounted on the inner side of the cabinet door body. The first lock shell and the second lock shell are connected by fasteners.

3. A safe door lock according to claim 2, characterized in that The middle part of the first lock shell and the second lock shell is provided with a mounting hole, and the mounting hole penetrates the lock shell. The lock cylinder is rotatably arranged in the mounting hole.

4. A safe door lock according to claim 1, characterized in that The mounting end of the lock cylinder is provided with a threaded hole. The lock tongue and the lock cylinder are connected and synchronously rotated by the fastener.

5. A safe door lock according to claim 4, characterized in that The lock tongue is provided with a mounting groove, and the mounting end of the lock cylinder is provided with a positioning surface matched with the mounting groove, so that the lock tongue rotates synchronously with the lock cylinder.

6. A theft resistant cabinet door lock according to claim 1 wherein, The other end of the lock cylinder is provided with a rotating handle.

7. A method according to claim 6, wherein, The end of the lock shell is provided with a limiting groove for limiting the rotation angle of the lock cylinder.

8. A safe door lock according to claim 7, characterized in that The side of the rotating handle is provided with a limiting piece which is slidingly arranged in the limiting groove.

9. A single-door cabinet door, comprising a cabinet door body and a theft-proof cabinet door lock according to any one of claims 1-8 mounted on the cabinet door body. The lock tongue is "Z" shaped. The lock is locked by inserting the anti-theft piece after rotating the lock cylinder to align the cylinder hole with the through hole. At the same time, the lock tongue rotates to engage the cabinet door body with the fixed piece.

10. A double-door cabinet door, comprising two cabinet door bodies and two theft-proof cabinet door locks according to any one of claims 1-8 mounted on the cabinet door bodies respectively. The two lock cylinders are rotated to align the cylinder holes on both sides with the through holes. Then the anti-theft piece is inserted to penetrate the two groups of lock cylinders, so that the two cabinet door bodies are connected.

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