Gearbox having sensing and detection structure

Abstract

A gearbox having a sensing and detection structure, comprising an upper box body (101), a lower box body (102) and a driving device (2). The lower box body (102) is provided with a transmission mechanism (3) in transmission connection with the driving device (2). The lower box body (102) is provided with a lower shaft hole (11) and a driving assembly (46) rotating about the shaft hole (11), the driving assembly (46) being in transmission connection with the transmission mechanism (3). A detection module (7) electrically connected to the driving device (2) is provided on a side of the lower box body (102). The driving assembly (46) is provided with a first sensing part (461) capable of rotating along therewith. When the driving assembly (46) rotates, the detection module (7) is in communication connection with the first sensing part (461) to acquire the rotation position of the driving assembly (46), so as to determine whether locking or unlocking has been performed. In the gearbox, the detection structure of the gearbox is improved, simplifying a mounting structure, improving detection stability, and achieving high reliability.

Description

A gearbox with an induction detection structure Technical Field

[0001] The utility model relates to the technical field of smart locks, and in particular to a gear box with an induction detection structure. Background Art

[0002] Currently, smart locks are widely used, most of which are electronic password locks, card swipe door locks, and fingerprint locks. A gearbox is usually installed in the smart lock to drive the lock tongue to complete the unlocking operation when an unlocking signal is received; a detection module is installed in the gearbox of some smart locks to detect whether the door is locked or unlocked, but the existing gearbox detection module is complicated to install and a structure for installing the detection module needs to be opened in the gear. The process requirements for the gear are strict, the production cost is high, and the detection stability is low.

[0003] Therefore, how to improve the detection structure of the gearbox to simplify the installation structure and improve the stability of the detection has become one of the technical problems that need to be solved urgently by those skilled in the art.

[0004] Utility Model Content

[0005] The purpose of the utility model is to solve one of the problems existing in the related art and provide a gear box with an induction detection structure.

[0006] The above purpose is achieved through the following technical solutions:

[0007] A gearbox with an inductive detection structure comprises an upper box body, a lower box body and a driving device, wherein the lower box body is provided with a transmission mechanism that is transmission-connected to the driving device, the lower box body is provided with a lower shaft hole and a driving component that rotates with the lower shaft hole as the axis, the driving component is transmission-connected to the transmission mechanism, a detection module that is electrically connected to the driving device is provided on one side of the lower box body, and the driving component is provided with a first sensing part that can rotate therewith, and when the driving component rotates, the detection module communicates with the first sensing part to obtain the rotational position of the driving component.

[0008] Furthermore, the driving assembly includes a driving member and a transmission column abutting against the driving member. When the driving member rotates, the transmission column can rotate therewith, and the first sensing part is provided on the transmission column.

[0009] Furthermore, the lower box body is provided with a accommodating cavity, the first sensing part is located in the accommodating cavity, the lower box body is provided with a pressure plate covering the accommodating cavity, and the pressure plate is provided with a plurality of first detection holes. The detection module determines the rotation position of the driving member by detecting whether the first sensing part is rotated to the first detection hole.

[0010] Furthermore, the driving device is a motor and the output end of the motor is provided with a gear or a worm, the transmission mechanism is a transmission gear set, and the driving member is provided with a gear structure, wherein the transmission gear set includes an induction gear meshing with the driving member, and the induction gear is provided with one or more second induction parts, and a second detection hole is opened on the lower box body, and the detection module determines the rotation position of the driving member connected to the induction gear by detecting whether the second induction part is rotated to the second detection hole.

[0011] Furthermore, the second sensing portion is a bump protruding from one end surface of the sensing gear.

[0012] Furthermore, the detection module includes a circuit board and a photoelectric sensor provided on the circuit board, and the photoelectric sensor is used to detect the rotation position of the first sensing part.

[0013] Furthermore, the circuit board is electrically connected to the driving device.

[0014] Furthermore, the first sensing part is made of plastic.

[0015] Furthermore, the color of the first sensing portion is white.

[0016] Furthermore, a magnetic member is provided on the first sensing portion, and the detection module includes a Hall sensor for detecting the position of the magnetic member to determine the rotation position of the first sensing portion.

[0017] Compared with the prior art, the present invention has at least the following beneficial effects:

[0018] The utility model improves the detection structure of the gear box to simplify the installation structure and improve the stability of detection. By providing a first sensing part that can rotate with the drive component, when the drive component rotates, the detection module can communicate with the first sensing part to obtain the rotation position of the drive component, thereby determining whether it is locked or unlocked. The structural setting is reliable and reasonable. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] FIG1 is an exploded schematic diagram of a gearbox according to an embodiment;

[0020] FIG2 is a second exploded schematic diagram of the gearbox in the embodiment;

[0021] FIG3 is an exploded schematic diagram of the gear box in the embodiment;

[0022] FIG4 is an exploded schematic diagram of the gear box handle in the rotating state according to the embodiment;

[0023] FIG5 is a second exploded schematic diagram of the gear box handle in the rotating state according to the embodiment;

[0024] FIG6 is a perspective schematic diagram of another embodiment of the present invention;

[0025] FIG. 7 is a schematic diagram of an exploded view of another embodiment of the present invention. DETAILED DESCRIPTION

[0026] The following will further describe the components, technical problems solved and beneficial effects of this application in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only used to explain this application and are not intended to limit the scope of this application.

[0027] Please refer to Figures 1 to 7. The present application discloses a gearbox with an induction detection structure, including an upper box body 101, a lower box body 102 and a drive device 2. The lower box body 102 is provided with a transmission mechanism 3 that is transmission-connected to the drive device 2. The lower box body 102 is provided with a lower shaft hole 11 and a drive component 46 that rotates around the lower shaft hole 11. The drive component 46 is transmission-connected to the transmission mechanism 3. A detection module 7 electrically connected to the drive device 2 is provided on one side of the lower box body 102. The drive component 46 is provided with a first sensing part 461 that can rotate therewith. When the drive component 46 rotates, the detection module 7 communicates with the first sensing part 461 to obtain the rotational position of the drive component 46. Its advantage lies in that the detection structure of the gear box is improved to simplify the installation structure and improve the stability of detection. By providing a first sensing part that can rotate with the drive component, when the drive component rotates, the detection module can communicate with the first sensing part to obtain the rotation position of the drive component, thereby determining whether it is locked or unlocked. The structural setting is reliable and reasonable.

[0028] To facilitate installation of the transmission and detection structures, the drive assembly 46 includes a drive member 4 and a transmission column 6 abutting against the drive member 4. When the drive member 4 rotates, the transmission column 6 rotates with it. The first sensing portion 461 is disposed on the transmission column 6. In some embodiments, the drive member 4 is provided with a driving structure, and the transmission column 6 is provided with a driven structure 601 abutting against the driving structure. This provides for strong transmission stability. Furthermore, a handle can be provided at one end of the transmission column 6, resulting in a simple structure and convenient use.

[0029] Specifically, the lower housing 102 is provided with a receiving cavity 1021, the first sensing portion 461 is located within the receiving cavity 1021, and the lower housing 102 is provided with a pressure plate 1022 covering the receiving cavity 1021. The pressure plate 1022 is provided with a plurality of first detection holes 1023. The detection module 7 determines the rotational position of the driving member 4 by detecting whether the first sensing portion 461 has rotated to the first detection holes 1023. This arrangement has the advantages of a simple structure and easy production and installation. The first sensing portion 461 is located within the receiving cavity 1021, without affecting the transmission of the internal gear structure, resulting in high stability. The plurality of first detection holes 1023 provided on the pressure plate 1022 facilitate detection and reduce the failure rate.

[0030] As shown in FIG. 7 , in another embodiment, a magnetic member 4611 is provided on the first sensing portion 461 , and the detection module 7 includes a Hall sensor for detecting the position of the magnetic member 4611 to determine the rotation position of the first sensing portion 461 .

[0031] In another embodiment, the driving device 2 is a motor with a gear or worm at its output end, the transmission mechanism 3 is a transmission gear set, and the driving member 4 is provided with a gear structure, wherein the transmission gear set includes a sensing gear 301 meshing with the driving member 4, the sensing gear 301 being provided with one or more second sensing portions 3011, and the lower housing 102 being provided with a second detection hole 1024. The detection module 7 determines the rotational position of the driving member 4 transmission-connected to the sensing gear 301 by detecting whether the second sensing portion 3011 is rotated to the second detection hole 1024. This embodiment has the advantages of a simple structure, easy production and processing, and strong detection stability.

[0032] Preferably, the second sensing portion 3011 is a bump protruding from one end face of the sensing gear 301. In some embodiments, the bump can be set to white, which can facilitate detection by the detection module 7. At the same time, the sensing gear 301 and the bump are integrally formed, which is easy to produce and process.

[0033] In a specific embodiment of the present application, the detection module 7 includes a circuit board 701 and a photoelectric sensor 702 disposed on the circuit board 701. The photoelectric sensor 702 is used to detect the rotational position of the first sensing portion 461. In some embodiments, the photoelectric sensor 702 may be model ITR8307, which is convenient for production and application.

[0034] In a specific embodiment of the present application, the circuit board 701 is electrically connected to the driving device 2 .

[0035] In the specific embodiment of the present application, the first sensing portion 461 is made of plastic material, which has the advantages of being easy to produce and process, and having stable detection effect when used as a detection structure.

[0036] To improve detection reliability, preferably, the color of the first sensing portion 461 is white.

[0037] Logic truth table of the detection scheme of some embodiments of the present application:

[0038] The above descriptions are one or more implementation methods provided in conjunction with specific content, and the specific implementation of this application is not limited to these descriptions. Any similarity or similarity with the methods, structures, etc. of this application, or any technical deduction or replacement based on the concept of this application shall be considered within the scope of protection of this application.

Claims

1. A gearbox with an inductive detection structure, comprising an upper housing (101), a lower housing (102) and a drive device (2), characterized in that: The lower box (102) is provided with a transmission mechanism (3) which is transmission-connected to the drive device (2); the lower box (102) is provided with a lower shaft hole (11) and a drive component (46) which rotates around the lower shaft hole (11); the drive component (46) is transmission-connected to the transmission mechanism (3); a detection module (7) which is electrically connected to the drive device (2) is provided on one side of the lower box (102); the drive component (46) is provided with a first sensing part (461) which can rotate therewith; when the drive component (46) rotates, the detection module (7) is connected in communication with the first sensing part (461) to obtain the rotation position of the drive component (46).

2. The gearbox with an induction detection structure according to claim 1, characterized in that: The driving assembly (46) comprises a driving member (4) and a transmission column (6) abutting against the driving member (4); when the driving member (4) rotates, the transmission column (6) can rotate therewith; and the first sensing portion (461) is disposed on the transmission column (6).

3. The gearbox with an induction detection structure according to claim 2, characterized in that: The lower box body (102) is provided with a receiving cavity (1021), the first sensing portion (461) is located in the receiving cavity (1021), the lower box body (102) is provided with a pressing plate (1022) covering the receiving cavity (1021), the pressing plate (1022) is provided with a plurality of first detection holes (1023), and the detection module (7) determines the rotation position of the driving member (4) by detecting whether the first sensing portion (461) is rotated to the first detection hole (1023).

4. The gearbox with an induction detection structure according to claim 2, characterized in that: The driving device (2) is a motor and a gear or a worm is provided at the output end of the motor; the transmission mechanism (3) is a transmission gear set; the driving member (4) is provided with a gear structure, wherein the transmission gear set comprises a sensing gear (301) meshing with the driving member (4); the sensing gear (301) is provided with one or more second sensing parts (3011); a second detection hole (1024) is provided on the lower box (102); and the detection module (7) determines the rotation position of the driving member (4) transmission-connected to the sensing gear (301) by detecting whether the second sensing part (3011) rotates to the second detection hole (1024).

5. The gearbox with an induction detection structure according to claim 4, characterized in that: The second sensing portion (3011) is a protrusion protruding from one end surface of the sensing gear (301).

6. The gearbox with an induction detection structure according to claim 1, characterized in that: The detection module (7) comprises a circuit board (701) and a photoelectric sensor (702) arranged on the circuit board (701), and the photoelectric sensor (702) is used to detect the rotation position of the first sensing part (461).

7. The gearbox with an induction detection structure according to claim 6, characterized in that: The circuit board (701) is electrically connected to the driving device (2).

8. The gearbox with an induction detection structure according to claim 1, characterized in that: The first sensing part (461) is made of plastic material.

9. The gearbox with an induction detection structure according to claim 1, characterized in that: The color of the first sensing portion (461) is white.

10. The gear box with an induction detection structure according to claim 1, characterized in that: The first sensing part (461) is provided with a magnetic part (4611), and the detection module (7) comprises a Hall sensor for detecting the position of the magnetic part (4611) to determine the rotation position of the first sensing part (461).

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