Invisible door lock

Abstract

An invisible door lock comprises a lock shell and a lock cylinder assembly arranged in the lock shell. The lock cylinder assembly comprises a lock cylinder fixing block, a lock cylinder cap arranged in the lock cylinder fixing block in a sleeved mode, a lock cylinder inserted into the lock cylinder cap and a lock cylinder fixing frame fixed to the lock cylinder fixing block. A through hole is formed in the lock cylinder fixing frame, and the lock cylinder is exposed out of the through hole. The lock cylinder fixing block is arranged to be inserted into the lock shell from one of the two opposite surfaces of the lock shell, and the lock cylinder fixing frame is fixed to one of the two opposite surfaces of the lock shell. The invisible door lock is simple in structure, convenient to disassemble and assemble and suitable for door leaves in different installation directions.

Description

TECHNICAL FIELD

[0001] The utility model relates to furniture technical field in daily life, more specifically to a lock structure, more specifically to an invisible door lock. BACKGROUND

[0002] In the door lock structure in the field of home decoration, a buckle box is usually arranged in the door frame, and a lock is arranged at the corresponding position of the door leaf, when the door leaf is closed, the lock tongue of the lock in the door leaf is driven by the key or the handle to enter the buckle box, so that the locking of the door leaf relative to the door frame is realized.

[0003] A more beautiful invisible door and a matching invisible door lock appear in the market. Then, the prior art invisible door lock has many defects, such as the lock core of the prior art invisible door lock is also installed in the lock shell, but due to the overall size of the lock core is larger, the length of the lock core exceeds the thickness of the lock shell, so the end of the lock core is exposed from the surface of the lock shell, which leads to the lock core protruding from the surface of the door leaf, or a circular hole consistent with the end surface of the lock core needs to be opened on the surface of the door leaf, so that the user can insert the key into the lock hole of the lock core to realize the unlocking or locking effect, which not only increases the assembly difficulty of the door lock and reduces the assembly efficiency, but also greatly reduces the appearance of the entire door leaf.

[0004] Secondly, due to the indoor building design, the opening direction of the door leaf may not be uniform, such as the hinges between some door leaves and door frames are installed on the right side of the door leaf, and some are installed on the left side. Different installation directions need to use different invisible door locks. The invisible door lock in the prior art can only be applied to door leaves with one installation direction, so the manufacturer must produce invisible door locks for door leaves with another installation direction to meet the installation needs of different users. This leads to increased production costs and increased inventory.

[0005] Therefore, it is necessary to provide an invisible door lock in the industry to overcome the defects of the prior art. INVENTION CONTENTS

[0006] The utility model discloses a purpose in solving the above problems, provide an invisible door lock.

[0007] In order to achieve the purpose of the utility model, the utility model adopts the following technical scheme:

[0008] The utility model provides a concealed door lock, including lock case and the lock core subassembly who sets up in the lock case, the lock core subassembly includes: lock core fixed block, the lock core cap of setting in the lock core fixed block, the lock core of inserting the lock core cap and with the lock core fixed block fixed lock core fixed frame, the lock core fixed frame is set up on the through -hole, and the lock core is exposed from the through -hole, the lock core fixed block is set up from the lock case two opposite surfaces one surface inserts the lock case inside, and the lock core fixed frame is fixed to the one surface.

[0009] Preferably, the inner wall of the lock core fixed block is provided with a positioning groove; the outer wall of the lock core cap is formed with a positioning block; the positioning block is inserted into the corresponding positioning groove.

[0010] Preferably, the outer wall of the lock core positioning block is provided with a positioning column; correspondingly, a lug is formed on the lock core fixed frame, and a positioning hole is formed in the lug; the positioning column is correspondingly inserted into the positioning hole.

[0011] Preferably, the lock case comprises a base and a cover plate that are buckled with each other, and the lock core subassembly is arranged in a space formed by the base and the cover plate.

[0012] Further preferably, a base hole is formed in the base for allowing the lock core subassembly to pass into the lock case.

[0013] Optionally, a cover plate hole is formed in the cover plate for allowing the lock core subassembly to pass into the lock case.

[0014] Further preferably, the lock core subassembly further comprises a lock core gear arranged in the base and sleeved around the lock core cap.

[0015] Preferably, the utility model further comprises a lock fixing assembly connected with the lock core subassembly, the lock fixing assembly comprises a rocker gear rotatably arranged on the base and a square tongue in sliding connection with the rocker gear; the rocker gear is in mesh with the lock core gear.

[0016] Preferably, the utility model further comprises a handle assembly arranged on the lock case, the handle assembly comprises a rotating block rotatably arranged on the base and a rotating block gear sleeved on the rotating block; the rotating block gear is in mesh with the rocker gear, and a gasket is arranged on the rotating block.

[0017] Preferably, the lock core subassembly further comprises a holding frame mounted on the other surface of the lock case opposite to the surface on which the lock core fixed frame is mounted.

[0018] Compared with the prior art, the utility model has the beneficial technical effects as follows:

[0019] In the utility model, the lock cylinder assembly is arranged in the lock shell, thus avoiding opening a large hole on the door leaf, reducing the installation difficulty, maintaining the appearance of the invisible door leaf, and providing a better aesthetic experience for the user; the lock cylinder assembly is arranged to be inserted into the lock shell from one of the two opposite surfaces of the lock shell, thus when being inserted from the other surface, the installation direction of the lock cylinder assembly is changed, and then the invisible door lock can be applied to the door leaf with different door opening directions, greatly improving the application range of the invisible door lock and reducing the inventory cost of the manufacturer.

[0020] Additional aspects and advantages of the utility model will be partially given in the following description, which will become obvious from the following description or be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0021] The above and / or additional aspects and advantages of the utility model will become apparent and more readily understood from the following description, taken in conjunction with the accompanying drawings, in which:

[0022] Figure 1 It is a perspective view of the invisible door lock of the utility model.

[0023] Figure 2a It is Figure 1 A perspective structural exploded view of the invisible door lock shown.

[0024] Figure 2b It is Figure 1 A perspective structural exploded view of the invisible door lock from another angle.

[0025] Figure 2c It is Figure 1 A perspective structural exploded view of the invisible door lock from another angle.

[0026] Figure 3 It is a perspective view of the lock cylinder fixing block of the invisible door lock of the utility model.

[0027] Figure 4 It is a perspective view of the lock cylinder cap of the invisible door lock of the utility model.

[0028] Figure 5 It is a perspective view of the lock cylinder of the invisible door lock of the utility model.

[0029] Figure 6 It is a perspective view of the lock cylinder fixing frame of the invisible door lock of the utility model.

[0030] Figure 7 It is a perspective structural exploded view of the invisible door lock and the door leaf of the utility model.

[0031] Figures 8a-8b Respectively show the unlocking and locking state of the invisible door lock of the utility model.

[0032] Figures 9a-9b Respectively show the handle of the invisible door lock half locking state and the lock core half unlocking state.

[0033] Figures 10a-10b Respectively show the handle of the invisible door lock half locking state and the lock core half unlocking state.

[0034] Figures 11a-11b Respectively show the handle of the invisible door lock half locking state and the lock core half unlocking state.

[0035] Figures 12a-12b Respectively show the handle of the invisible door lock half locking state and the lock core half unlocking state. DETAILED DESCRIPTION

[0036] Embodiments of the present application will be described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numbers represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are intended to explain the present application, but should not be interpreted as limiting the present application.

[0037] Those skilled in the art can understand that, unless specifically stated otherwise, the singular forms "a", "an" and "the" used herein also include the plural forms. It should be further understood that the use of the term "include" in the specification of the present application means that the stated features, integers, steps, operations, elements, and / or components are present, but does not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and / or groups thereof. It should be understood that when we say an element is "connected" or "coupled" to another element, it can be directly connected or coupled to the other element, or there can be intermediate elements. In addition, "connected" or "coupled" used herein can include wireless connection or wireless coupling. The term "and / or" used herein includes all or any single unit and all combinations of the associated listed items.

[0038] Those skilled in the art can understand that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as that generally understood by those skilled in the art to which the present application belongs. It should also be understood that terms such as those defined in a general dictionary should be understood to have meanings consistent with those in the context of the prior art, and should not be interpreted in an idealized or overly formal sense unless specifically defined as such.

[0039] The utility model discloses a first provide a kind of invisible door lock, and the lock cylinder assembly is arranged in lock shell, thus avoid opening big hole on door leaf, further reduce the installation difficulty, and keep the aesthetic degree of invisible door leaf, give user a kind of better aesthetic use experience;Lock cylinder assembly is arranged into one of two opposite surfaces of lock shell and inserted into lock shell, thus when inserting from another surface, it is equivalent to change the installation direction of lock cylinder assembly, and then can be applicable to the door leaf of different door opening direction (installation direction), greatly improve the application range of invisible door lock, reduce the inventory cost of manufacturer.

[0040] In an embodiment of the utility model, refer to Figures 1-12b , provide a kind of invisible door lock 100, including lock shell 10 and the lock cylinder assembly 20 being arranged in the lock shell 10.In here, lock shell 10 can be the lock shell made of such as metal material, for example galvanized sheet, aluminum alloy, so as to not only have the characteristics of easy processing, but also have sufficient structural strength and rigidity, and then other components, such as lock cylinder assembly 20, can be stably installed in it.

[0041] Lock cylinder assembly 20 is used to interact with other components in lock shell 10, so that when user inserts key into lock cylinder assembly 20, unlocking or locking is realized by rotating key.

[0042] In an embodiment, the lock cylinder assembly 20 includes: a lock cylinder fixed block 22, a lock cylinder cap 24 fitted in the lock cylinder fixed block 22, a lock cylinder 26 inserted into the lock cylinder cap 24, and a lock cylinder fixed frame 28 fixed with the lock cylinder fixed block 22; the lock cylinder fixed frame 28 has a through hole 282, and the lock cylinder 26 is exposed from the through hole 282; the lock cylinder fixed block 22 is arranged to be inserted into the lock shell 10 from one of the two opposite surfaces of the lock shell 10, and the lock cylinder fixed frame 28 is fixed to the one surface.

[0043] In here, the length of lock cylinder 26 is reduced compared with prior art. Specifically, by reducing the number of slots in lock cylinder 26, the slot width of lock cylinder 26 is reduced, thereby reducing the length of the entire lock cylinder 26 to less than the thickness of the entire lock shell 10, and then the lock cylinder 26 can be entirely stored in the lock shell 10, without the lock cylinder protruding out of the lock shell as in prior art, thereby avoiding opening a large circular hole in the door leaf to accommodate the part of the lock cylinder protruding out of the lock shell in the utility model. On the contrary, in the utility model, only a small circular hole (with an area consistent with the lock cylinder hole) needs to be opened in the door leaf, which can realize the effect of opening or closing the invisible door lock by the user through the small circular hole in the door leaf with the key.

[0044] In addition, by reducing the size of the lock cylinder, the lock cylinder is stored in the lock housing, and the appearance of the entire door leaf can be greatly improved.

[0045] Furthermore, since the lock cylinder fixing block 22 is arranged to be inserted into the lock housing 10 from one of the two opposite surfaces of the lock housing 10, and the lock cylinder fixing frame 28 is fixed to the one surface, the user can adapt the door leaf of different opening directions by changing the installation direction of the lock cylinder assembly 20 for the door leaf of different opening directions. For example, the user can disassemble the lock cylinder assembly 20 from the lock housing 10, specifically, by releasing the fixing relationship between the lock cylinder fixing frame 28 and one surface of the lock housing 10, and then taking out the entire lock cylinder assembly 20, and then inserting the lock cylinder assembly 20 into the lock housing 10 from the opening of the other opposite surface of the lock housing 10, and finally fixing the lock cylinder fixing frame 28 to the other opposite surface.

[0046] The lock cylinder fixing block 22 is used to fix the lock cylinder 26 on the lock cylinder fixing frame 28. Specifically, a positioning groove 222 is formed on the inner wall of the lock cylinder fixing block 22; correspondingly, a positioning block 244 is formed on the outer wall of the lock cylinder cap 24; the positioning block 244 is inserted into the corresponding positioning groove 222.

[0047] Preferably, in order to realize the mutual positioning between the lock cylinder fixing block 22 and the lock cylinder fixing frame 28, a positioning column 224 can be arranged on the outer wall of the lock cylinder fixing block 22, such as two radially opposite positioning columns 224; correspondingly, a lug 284 is formed on the lock cylinder fixing frame 28, and a positioning hole 2842 is formed in the lug 284; the positioning column 224 is correspondingly inserted into the positioning hole 2842, thereby realizing the mutual fixing between the lock cylinder fixing block 22 and the lock cylinder fixing frame 28.

[0048] The above-mentioned lock cylinder fixing block 22, the lock cylinder cap 24 sleeved on the lock cylinder fixing block 22, the lock cylinder 26 inserted into the lock cylinder cap 24, and the lock cylinder fixing frame 28 fixed with the lock cylinder fixing block 22 together constitute the lock cylinder assembly 20.

[0049] Preferably, the lock housing 10 comprises a base 12 and a cover plate 14 which are buckled with each other, and the lock cylinder assembly 20 is arranged in the space formed by the base 12 and the cover plate 14.

[0050] Here, any one of the base 12 and the cover plate 14 can be processed from a metal material such as alloy steel or aluminum alloy to have sufficient structural strength to firmly install the lock cylinder assembly 20. Various holes such as screw holes can be formed on the base 12 and the cover plate 14, and the base 12 and the cover plate 14 are connected and fixed to each other by means of screws. The base 12 and the cover plate 14 can be formed by various suitable processing methods, such as casting, stamping, etc.

[0051] Preferably, the base 12 is provided with a base hole 122 for allowing the lock cylinder assembly 20 to pass into the lock case 10. In this case, the lock cylinder fixing frame 28 is fixed to the surface of the base 12 where the base hole 122 is formed.

[0052] Similarly, the cover plate 14 is provided with a cover plate hole 142 for allowing the lock cylinder assembly 20 to pass into the lock case 10. In this case, the lock cylinder fixing frame 28 is fixed to the surface of the cover plate 14 where the cover plate hole 142 is formed.

[0053] As can be seen, by inserting the lock cylinder assembly 20 into the lock case 10 from different directions (such as from the base hole 122 or the cover plate hole 142), the purpose of installing the lock cylinder assembly in two different positions is achieved, so that the invisible door lock 100 provided by the present application can be installed according to different door leaf opening directions, and only the lock cylinder fixing frame 20 needs to be disassembled from one surface (such as the base surface) and installed on another surface (such as the cover plate surface) to achieve the above-mentioned functions, so that the overall structure is simple, disassembly and assembly are quick, and one set of product can be applied to two different installation direction door leaves, greatly reducing product inventory.

[0054] In another embodiment of the present application, the lock cylinder assembly 20 further comprises a lock cylinder gear 23 arranged in the base 12 and sleeved on the periphery of the lock cylinder cap 24, which is used to cooperate with other components of the invisible door lock 100 to realize unlocking or locking (to be described later).

[0055] Preferably, the invisible door lock 100 further comprises a lock fixing assembly 40 linked with the lock cylinder assembly 20, the lock fixing assembly 40 comprising a rocker gear 42 rotatably arranged on the base 12 and a square tongue 44 slidably connected with the rocker gear 42; the rocker gear 42 is engaged with the lock cylinder gear 23.

[0056] When the user rotates the lock cylinder 26 by means of a key, the rotation of the lock cylinder 26 drives the lock cylinder gear 23 to rotate synchronously, which causes the rocker gear 42 engaged with the lock cylinder gear 23 to rotate, so that the square tongue 44 connected with the rocker gear 42 is extended or retracted from the base 12, thereby realizing locking or unlocking.

[0057] In another embodiment, preferably, the invisible door lock 100 further comprises a handle assembly 30 located on the lock shell 10, the handle assembly 30 comprising a rotating block 32 rotatably arranged on the base 12 and a rotating block gear 34 sleeved on the rotating block 32; the rotating block gear 34 is engaged with the rocker arm gear 42 of the locking assembly 40, and a gasket 36 is arranged on the rotating block 32. In this embodiment, the user can also open or lock the invisible door lock without a key, but by means of a handle (not shown in the figure). Specifically, by rotating the handle, the linkage between the above-mentioned components is realized, so as to make the square tongue 44 extend out of or retract into the base 12, thereby realizing locking or unlocking.

[0058] For example, Figures 9a-9b The handle locking half state and the lock core unlocking half state of the invisible door lock of the utility model are respectively shown. Figures 10a-10b The handle locking completion state and the lock core unlocking completion state of the invisible door lock of the utility model are respectively shown. Figures 11a-11b The handle reset state and the lock core reset state of the invisible door lock of the utility model are respectively shown. Figures 12a-12b The handle unlocking state and the lock core locking state of the invisible door lock of the utility model are respectively shown.

[0059] Preferably, in one embodiment, the lock core assembly 20 further comprises a holding frame 21 mounted on the other surface of the lock shell 10 opposite to the surface on which the lock core fixing frame 28 is mounted. Through the cooperation between the holding frame 21 and the lock core fixing frame 28, the effect of holding the entire lock core assembly 20 in the lock shell 10 is realized.

[0060] In one embodiment of the utility model, please refer to Figure 7 , a door leaf 200 installed with an invisible door lock 100 is provided. A slot 202 is formed on the side end face of the door leaf 200, the invisible door lock 100 is inserted into the door leaf 200 from the slot 202, and a key perforation 204 is formed on the door leaf surface of the door leaf 200, when the invisible door lock 100 is installed in place, the lock hole of the lock core 26 is just aligned with the key perforation 204, so that the user can insert the key into the lock hole by passing through the key perforation 204, thereby realizing unlocking or locking.

[0061] Those skilled in the art can understand that the steps, measures and schemes in the various operations, methods and processes discussed in the present application can be alternated, changed, combined or deleted. Further, other steps, measures and schemes in the various operations, methods and processes discussed in the present application can also be alternated, changed, rearranged, decomposed, combined or deleted. Further, the steps, measures and schemes in the various operations, methods and processes in the prior art can also be alternated, changed, rearranged, decomposed, combined or deleted.

[0062] The above only describes some embodiments of the present application. It should be pointed out that those skilled in the art can make several improvements and refinements without departing from the principles of the present application, and these improvements and refinements should also be considered as the protection scope of the present application.

Claims

1. A concealed door lock, comprising a lock housing and a lock cylinder assembly disposed within the lock housing, characterized in that: The lock cylinder assembly comprises a lock cylinder fixing block, a lock cylinder cap sleeved in the lock cylinder fixing block, a lock cylinder inserted in the lock cylinder cap, and a lock cylinder fixing frame fixed with the lock cylinder fixing block; a through hole is formed in the lock cylinder fixing frame, and the lock cylinder is exposed from the through hole; the lock cylinder fixing block is arranged to be inserted into the lock shell from one of two opposite surfaces of the lock shell, and the lock cylinder fixing frame is fixed to the one surface.

2. The concealed door lock according to claim 1, characterized in that: A positioning groove is formed in the inner wall of the lock cylinder fixing block; a positioning block is formed on the outer wall of the lock cylinder cap; the positioning block is inserted into the corresponding positioning groove.

3. The concealed door lock according to claim 2, characterized in that: A positioning column is arranged on the outer wall of the lock cylinder positioning block; correspondingly, a lug is formed on the lock cylinder fixing frame, and a positioning hole is formed in the lug; the positioning column is correspondingly inserted into the positioning hole.

4. The concealed door lock according to claim 3, characterized in that: The lock shell comprises a base and a cover plate which are buckled with each other, and the lock cylinder assembly is arranged in the space formed by the base and the cover plate.

5. The concealed door lock according to claim 4, characterized in that: A base hole is formed in the base for the lock cylinder assembly to pass through and enter the lock shell.

6. The concealed door lock according to claim 4, wherein: A cover plate hole is formed in the cover plate for the lock cylinder assembly to pass through and enter the lock shell.

7. The concealed door lock according to claim 4, wherein: The lock cylinder assembly further comprises a lock cylinder gear arranged in the base and sleeved around the lock cylinder cap.

8. The concealed door lock according to claim 7, characterized in that: The lock cylinder assembly further comprises a lock fixing assembly connected with the lock cylinder assembly, the lock fixing assembly comprising a rocker gear rotatably arranged on the base and a square tongue in sliding connection with the rocker gear; the rocker gear is in mesh with the lock cylinder gear.

9. The concealed door lock according to claim 8, characterized in that: The lock cylinder assembly further comprises a handle assembly arranged on the lock shell, the handle assembly comprising a rotating block rotatably arranged on the base and a rotating block gear sleeved on the rotating block; the rotating block gear is in mesh with the rocker gear, and a gasket is arranged on the rotating block.

10. The concealed door lock according to claim 1, wherein: The lock cylinder assembly further comprises a holding frame mounted on the other surface of the lock shell opposite to the surface on which the lock cylinder fixing frame is mounted. The lock cylinder assembly further comprises a holding frame mounted on the other surface of the lock shell opposite to the surface on which the lock cylinder fixing frame is mounted.

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