Knob assembly and door lock mechanism

Abstract

The utility model provides a knob assembly and a door lock mechanism, the knob assembly comprises a shell, a motor assembly and a knob module, and the motor assembly is located in the shell; the motor assembly comprises a motor and a first connecting piece; the fixed end of the motor is connected to the shell; the first connecting piece is connected to the output end of the motor and is driven by the motor to rotate; the knob module comprises a knob and a second connecting piece; the knob is rotatably connected to the shell, and the second connecting piece sleeves the knob and is meshed with the first connecting piece; the second connecting piece is provided with an arc groove, the knob is provided with a boss, and the boss is inserted into the arc groove along with installation between the knob and the second connecting piece and movably penetrates through the arc groove. The boss has installation allowance in the arc groove, more installation space is reserved in the arc groove, the boss is inserted into the arc groove, and installation allowance exists between the boss and the arc groove, so that installation between the knob and the second connecting piece is facilitated, installation convenience of the knob module is improved, and universality of the door in the left-right direction is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of door lock mechanisms, in particular to a knob assembly and a door lock mechanism. Background Art

[0002] With the development of technology, door locks are seen everywhere in daily life. Door locks are components that fix the door and the door frame together, locking the door to prevent others from opening the door. The knob assembly is part of the door lock mechanism.

[0003] In the prior art, the existing knob assembly includes a shell, a first connecting member, a knob and a second connecting member. The first connecting member is connected to the inner side of the shell, the knob is rotatably connected to the shell, the second connecting member is sleeved on the knob and engaged with the first connecting member. At this time, the second connecting member is provided with an alignment hole, and the knob is provided with a boss. The positioning of the alignment hole and the boss requires precise positioning, and the position between the alignment hole and the boss needs to be precisely matched, which makes the existing knob assembly inconvenient for the installation between the knob and the second connecting member. Utility Model Content

[0004] The purpose of the utility model is to provide a knob assembly and a door lock mechanism, wherein the motor assembly is in a shell; the motor assembly includes a motor and a first connecting member; the fixed end of the motor is connected to the shell; the first connecting member is connected to the output end of the motor and rotates under the drive of the motor; the knob module includes a knob and a second connecting member; the knob is rotatably connected to the shell, the second connecting member is sleeved on the knob and meshed with the first connecting member; wherein the second connecting member is provided with an arc groove, and the knob is provided with a boss, the boss is inserted into the arc groove as the knob and the second connecting member are installed, and the boss can be movably passed through the arc groove; the boss has an installation margin in the arc groove, and the arc groove leaves more installation space, the boss is inserted into the arc groove, and has an installation margin with the arc groove, so as to facilitate the installation between the knob and the second connecting member, thereby improving the installation convenience of the knob module and facilitating the universal use of the door in the left and right directions.

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

[0006] A knob assembly is applied to a door lock mechanism; the knob assembly comprises:

[0007] case;

[0008] A motor assembly is located in the housing; the motor assembly includes a motor and a first connecting member; a fixed end of the motor is connected to the housing; the first connecting member is connected to an output end of the motor and rotates under the drive of the motor;

[0009] The knob module comprises a knob and a second connecting member; the knob is rotatably connected to the housing, and the second connecting member is sleeved on the knob and engaged with the first connecting member;

[0010] The second connecting member is provided with an arc groove, and the knob is provided with a boss. The boss is inserted into the arc groove as the knob and the second connecting member are installed, and is movably arranged in the arc groove. The boss has an installation margin in the arc groove.

[0011] Optionally, there are two circular arc grooves, and the two circular arc grooves are symmetrically arranged along the central axis plane of the second connecting member; the two circular arc grooves are arranged along the left-right direction;

[0012] During the installation of the knob and the second connecting member, the boss is inserted into any one of the arc grooves.

[0013] Optionally, the knob is provided with a rotation axis, and the boss is arranged on the peripheral side of the rotation axis;

[0014] The rotating shaft passes through the central hole of the second connecting member, and the two arc grooves are arranged on the peripheral side of the central hole. The two arc grooves are connected to the central hole and are plugged into the boss.

[0015] Optionally, the knob assembly further includes a circuit board, the circuit board is provided with two locking ends and one unlocking end; the two locking ends are arranged along the left and right directions of the housing, and the unlocking end is located at a center dividing line between the two locking ends;

[0016] An arm is protruding from the outer side wall of the second connecting member. When the arm is arranged relative to the unlocking end, the two arc grooves are respectively arranged relative to the two locking ends.

[0017] Optionally, the two locking ends and one unlocking end are photoelectric switch ends;

[0018] The arm is inserted into the sensing slot of the photoelectric switch end and triggers the corresponding photoelectric switch end.

[0019] Optionally, the support arm rotates along with the rotation of the second connecting member, and triggers a locking end or an unlocking end.

[0020] Optionally, the second connecting member is provided with a second bevel gear portion, the first connecting member is provided with a first bevel gear portion, and the second bevel gear portion is meshed with the first bevel gear portion.

[0021] Optionally, the second bevel gear portion is located below the first bevel gear portion.

[0022] Optionally, the output end of the motor passes through the middle portion of the first connecting member and drives the first bevel gear portion to rotate.

[0023] A door lock mechanism comprises the knob assembly.

[0024] Compared with the prior art, the beneficial effects of the utility model are:

[0025] The utility model provides a knob assembly and a door lock mechanism, wherein the motor assembly is in a shell; the motor assembly comprises a motor and a first connecting piece; the fixed end of the motor is connected to the shell; the first connecting piece is connected to the output end of the motor and rotates under the drive of the motor; the knob module comprises a knob and a second connecting piece; the knob is rotatably connected to the shell, the second connecting piece is sleeved on the knob and meshed with the first connecting piece; wherein the second connecting piece is provided with an arc groove, the knob is provided with a boss, the boss is plugged into the arc groove as the knob and the second connecting piece are installed, and the boss can be movably passed through the arc groove; the boss has an installation margin in the arc groove, and the arc groove leaves more installation space, the boss is plugged into the arc groove, and has an installation margin with the arc groove, so as to facilitate the installation between the knob and the second connecting piece, thereby improving the installation convenience of the knob module and facilitating the universal use of the door in the left and right directions. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present application, and those skilled in the art can obtain other drawings based on these drawings without creative work.

[0027] In order to more completely understand the present application and its beneficial effects, the following description will be given in conjunction with the accompanying drawings. In the following description, the same reference numerals represent the same parts.

[0028] Figure 1 A schematic diagram of a knob assembly according to an embodiment of the present application is shown.

[0029] Figure 2 A schematic diagram showing the internal structure of a knob assembly according to an embodiment of the present application.

[0030] Figure 3 An exploded view showing the internal structure of a knob assembly according to an embodiment of the present application.

[0031] Figure 4 A schematic diagram of a motor assembly of a knob assembly according to an embodiment of the present application is shown.

[0032] Figure 5A schematic diagram of a first connecting member and a second connecting member of a knob assembly according to an embodiment of the present application is shown.

[0033] Figure 6 A schematic diagram of a knob of a knob assembly according to an embodiment of the present application is shown.

[0034] Figure 7 A schematic diagram of a second connecting member of a knob assembly according to an embodiment of the present application is shown.

[0035] Figure 8 A schematic diagram of a circuit board of a knob assembly according to an embodiment of the present application is shown.

[0036] Reference numerals

[0037] 100. Knob assembly;

[0038] 10. Shell;

[0039] 20. Motor assembly; 21. Motor; 22. First connecting member; 221. First bevel gear portion;

[0040] 30, knob module; 31, knob; 311, boss; 312, rotating shaft; 32, second connecting member; 32a, arc groove; 321, support arm; 322, second bevel gear part;

[0041] 40. Circuit board; 41. Locking end; 42. Unlocking end. DETAILED DESCRIPTION

[0042] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present application.

[0043] Figures 1 to 8 An embodiment of the present application provides a knob assembly 100. The knob assembly 100 is a part of a door lock mechanism. The knob assembly 100 is used to rotate a knob 31 to facilitate door locking or unlocking. The knob assembly 100 includes a shell 10, a motor assembly 20 and a knob module 30. The motor assembly 20 is arranged on the inner side of the shell 10, and the knob module 30 is arranged on the outer side of the shell 10.

[0044] In the embodiment of the present application, the housing 10 serves as a supporting component of the knob assembly 100 , and the housing 10 is used to support the motor assembly 20 and the knob module 30 .

[0045] In the embodiment of the present application, the motor assembly 20 is located in the housing 10; the motor assembly 20 includes a motor 21 and a first connecting member 22; the fixed end of the motor 21 is connected to the housing 10; the first connecting member 22 is connected to the output end of the motor 21 and rotates under the drive of the motor 21, so that the first connecting member 22 can realize automatic rotation under the action of the motor 21, thereby facilitating the adjustment of the position of the first connecting member 22 relative to the housing 10.

[0046] In the embodiment of the present application, the knob module 30 is located on the outside of the shell 10, and the knob module 30 includes a knob 31 and a second connecting member 32; the knob 31 is rotatably connected to the shell 10 to facilitate adjustment of the position of the knob 31 relative to the shell 10, and the second connecting member 32 is sleeved on the knob 31 and engaged with the first connecting member 22, so that the second connecting member 32 rotates with the rotation of the first connecting member 22, thereby facilitating the second connecting member 32 to drive the knob 31 to rotate, so as to achieve locking or unlocking of the knob 31.

[0047] Among them, the second connecting member 32 is provided with an arc groove 32a, and the knob 31 is provided with a boss 311. The boss 311 is inserted into the arc groove 32a as the knob 31 and the second connecting member 32 are installed, and can be movably inserted into the arc groove 32a; the boss 311 has an installation margin in the arc groove 32a, and the arc groove 32a leaves more installation space. The boss 311 is inserted into the arc groove 32a, and has an installation margin with the arc groove 32a, so as to facilitate the installation between the knob and the second connecting member 32, thereby improving the installation convenience of the knob module 30, and further facilitating the universal use of the door in the left and right directions.

[0048] At this time, there are two circular arc grooves 32a, and the two circular arc grooves 32a are symmetrically arranged along the central axis plane of the second connecting member 32; the two circular arc grooves 32a are arranged along the left and right directions; during the installation process of the knob 31 and the second connecting member 32, the boss 311 is inserted into any circular arc groove 32a, and the connection space of the boss 311 relative to the circular arc groove 32a is increased by arranging two circular arc grooves 32a, thereby improving the installation convenience of the boss 311 relative to the circular arc groove 32a.

[0049] In addition, the knob 31 is provided with a rotating shaft 312, and the boss 311 is arranged on the circumferential side of the rotating shaft 312; the rotating shaft 312 passes through the center hole of the second connecting member 32, and two arc grooves 32a are arranged on the circumferential side of the center hole. The two arc grooves 32a are connected to the center hole and are provided for the boss 311 to be plugged in, so that the rotating shaft 312 passes through the center hole and the boss 311 is plugged into the arc groove 32a at the same time, thereby improving the connection effect of the boss 311 relative to the arc groove 32a, and being compatible with the installation of the knob assembly 20 on the left door or the right door.

[0050] In the embodiment of the present application, the knob assembly 100 also includes a circuit board 40, which is provided with two locking ends 41 and an unlocking end 42; the two locking ends 41 and the unlocking end 42 are energized under the action of the circuit board 40, the two locking ends 41 are arranged along the left and right directions of the shell 10, and the unlocking end 42 is located at the center dividing line between the two locking ends 41; the outer wall of the second connecting member 32 is protruding with a support arm 321, and when the support arm 321 is arranged relative to the unlocking end 42, the two arc grooves 32a are respectively arranged relative to the two locking ends 41, so that the unlocking end 42 can sense the support arm 321, thereby facilitating the knob assembly 100 to be in an unlocked state, and when the support arm 321 is arranged relative to any locking end 41, the arc groove 32a is arranged relative to the unlocking end 42, so that the locking end 41 can sense the support arm 321, thereby facilitating the knob assembly 100 to be in a locked state.

[0051] At this time, the two locking ends 41 and the one unlocking end 42 are both photoelectric switch ends; the support arm 321 is inserted into the sensing slot of the photoelectric switch end and triggers the corresponding photoelectric switch end so that the photoelectric switch end senses the support arm 321, thereby realizing the unlocking or locking of the knob assembly 100.

[0052] Among them, the support arm 321 rotates with the rotation of the second connecting member 32 to facilitate adjustment of the position of the support arm 321 relative to the circuit board 40. The support arm 321 triggers the locking end 41 or the unlocking end 42. When the support arm 321 is arranged relative to the unlocking end 42, the two arc grooves 32a are arranged respectively relative to the two locking ends 41, so that the unlocking end 42 can sense the support arm 321, thereby facilitating the knob assembly 100 to be in an unlocked state. When the support arm 321 is arranged relative to any locking end 41, the arc groove 32a is arranged relative to the unlocking end 42, so that the locking end 41 can sense the support arm 321, thereby facilitating the knob assembly 100 to be in a locked state.

[0053] In addition, the second connecting member 32 is provided with a second bevel gear portion 322, and the first connecting member 22 is provided with a first bevel gear portion 221. The second bevel gear portion 322 is meshed with the first bevel gear portion 221, so that the second connecting member 32 can be meshed and connected with the first connecting member 22 through the second bevel gear portion 322 and the first bevel gear portion 221, so that the second connecting member 32 can rotate with the rotation of the first connecting member 22, and then the position of the second connecting member 32 can be adjusted to realize the position adjustment of the support arm 321.

[0054] Optionally, the second bevel gear portion 322 is located below the first bevel gear portion 221 , so that the second bevel gear portion 322 and the first bevel gear portion 221 can fully utilize the upper and lower spaces of the housing 10 .

[0055] At this time, the output end of the motor 21 passes through the middle part of the first connecting piece 22, and drives the first bevel gear part 221 to rotate, so as to adjust the position of the first bevel gear part 221, so that the first bevel gear part 221 drives the second bevel gear part 322 to rotate. At the same time, the support arm 321 rotates with the rotation of the second bevel gear part 322, so that the support arm 321 can be arranged relative to the locking end 41 or the unlocking end 42.

[0056] In another embodiment, a door lock mechanism includes a knob assembly 100. The knob assembly 100 is a part of the door lock mechanism. The door lock mechanism is used to lock a door to prevent others from opening the door.

[0057] Compared with the prior art, the beneficial effects of the utility model are:

[0058] The utility model provides a knob assembly 100 and a door lock mechanism, wherein a motor assembly 20 is in a housing 10; the motor assembly 20 comprises a motor 21 and a first connecting member 22; the fixed end of the motor 21 is connected to the housing 10; the first connecting member 22 is connected to the output end of the motor 21 and rotates under the drive of the motor 21; the knob module 30 comprises a knob 31 and a second connecting member 32; the knob 31 is rotatably connected to the housing 10, the second connecting member 32 is sleeved on the knob 31 and meshed with the first connecting member 22; wherein the second connecting member 32 has a round Arc groove 32a, the knob 31 is provided with a boss 311, the boss 311 is inserted into the circular arc groove 32a as the knob 31 and the second connecting member 32 are installed, and can be movably inserted into the circular arc groove 32a; the boss 311 has an installation margin in the circular arc groove 32a, and the circular arc groove 32a leaves more installation space, the boss 311 is inserted into the circular arc groove 32a, and has an installation margin with the circular arc groove 32a, so as to facilitate the installation between the knob and the second connecting member 32, thereby improving the installation convenience of the knob module 30, and further facilitating the universal use of the door in the left and right directions.

[0059] In the above embodiments, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0060] In the description of this application, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more features.

[0061] Specific examples are used herein to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the method and core idea of ​​the present application. At the same time, for technical personnel in this field, according to the idea of ​​the present application, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as a limitation on the present application.

Claims

1. A knob assembly, characterized in that: Applicable to a door lock mechanism; the knob assembly comprises: case; A motor assembly is located in the housing; the motor assembly includes a motor and a first connecting member; a fixed end of the motor is connected to the housing; the first connecting member is connected to an output end of the motor and rotates under the drive of the motor; The knob module comprises a knob and a second connecting member; the knob is rotatably connected to the housing, and the second connecting member is sleeved on the knob and engaged with the first connecting member; The second connecting member is provided with an arc groove, and the knob is provided with a boss. The boss is inserted into the arc groove as the knob and the second connecting member are installed, and is movably inserted into the arc groove. The boss has an installation margin in the arc groove.

2. The knob assembly according to claim 1, characterized in that: There are two arc grooves, and the two arc grooves are symmetrically arranged along the central axis of the second connecting member; the two arc grooves are arranged in the left-right direction; During the installation of the knob and the second connecting member, the boss is inserted into any one of the arc grooves.

3. The knob assembly according to claim 2, characterized in that: The knob is provided with a rotating shaft, and the boss is arranged on the peripheral side of the rotating shaft; The rotating shaft passes through the central hole of the second connecting member, and the two arc grooves are arranged on the peripheral side of the central hole. The two arc grooves are connected to the central hole and are plugged into the boss.

4. The knob assembly according to claim 3, characterized in that: The knob assembly further includes a circuit board, the circuit board is provided with two locking ends and one unlocking end; the two locking ends are arranged along the left and right directions of the housing, and the unlocking end is located at the center dividing line between the two locking ends; An arm is protruding from the outer side wall of the second connecting member. When the arm is arranged relative to the unlocking end, the two arc grooves are respectively arranged relative to the two locking ends.

5. The knob assembly according to claim 4, characterized in that: The two locking ends and one unlocking end are both photoelectric switch ends; The arm is inserted into the sensing slot of the photoelectric switch end and triggers the corresponding photoelectric switch end.

6. The knob assembly according to claim 4, characterized in that: The support arm rotates along with the rotation of the second connecting member and triggers the locking end or the unlocking end.

7. The knob assembly according to claim 6, characterized in that: The second connecting member is provided with a second bevel gear portion, the first connecting member is provided with a first bevel gear portion, and the second bevel gear portion is meshed with the first bevel gear portion.

8. The knob assembly according to claim 7, characterized in that: The second bevel gear portion is located below the first bevel gear portion.

9. The knob assembly according to claim 8, characterized in that: The output end of the motor passes through the middle portion of the first connecting member and drives the first bevel gear portion to rotate.

10. A door lock mechanism, characterized in that: Comprising the knob assembly as claimed in any one of claims 1 to 9.

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