Intelligent cabinet lock

Abstract

The utility model provides an intelligent cabinet lock which comprises a shell, a motor, a spring bolt assembly and a transmission assembly, the spring bolt assembly comprises a spring bolt, a sliding block, two compression springs and a fixing piece, and the two ends of one compression spring are fixedly connected with the spring bolt and the sliding block respectively; the two ends of the other compression spring are fixedly connected with the sliding block and the fixing piece respectively, the motor is connected with the sliding block through the transmission assembly so as to drive the sliding block to horizontally move left and right, and the left end and the right end of the shell are provided with spring bolt holes for the spring bolts to stretch out. Two fixing piece inserting grooves used for fixedly inserting the fixing pieces are formed in the shell, and the two fixing piece inserting grooves are bilaterally symmetrical about the shell. The lock tongue, the sliding block, the two compression springs, the fixing piece and the rack of the transmission assembly are taken out and installed in the left-right direction, and the cabinet lock can be converted from a left door opening mode to a right door opening mode or converted from the right door opening mode to the left door opening mode.

Description

Technical Field

[0001] The utility model belongs to the technical field of lock bodies, and in particular relates to an intelligent cabinet lock. Background Art

[0002] According to the different places of use, locks can be divided into door locks, window locks, car locks, furniture locks and luggage locks, etc., and furniture locks can be divided into drawer locks and cabinet locks, etc. According to the different ways of controlling the opening and closing of the actuator, locks can be divided into traditional mechanical locks and electronic smart locks. Electronic smart cabinet locks are locks that electronically identify and process network communications, biometrics, electronic data and other information and control the mechanical actuator to open and close, and are used on furniture such as windows and cabinets.

[0003] The patent document with announcement number CN111719952A discloses an intelligent cabinet lock, including a functional module, a pop-up mechanism, an integrated mechanical lock mechanism, an ejection mechanism, a cover plate and a lock shell. The rotation of the motor drives the slider to slide. The lock block is fixed with a first block, a locking block and a second block. The rotating block is provided with a third block. The first block cooperates with the slider, the locking block cooperates with the lock buckle, and the third block cooperates with the second block. A second through groove is provided at one end of the lock hook, and the lock buckle cooperates with the lock hook through the second through groove. A first through groove is provided on the lock shell, and the lock hook passes through the first through groove and is fixed to the handle by a first screw. A spring block is installed under the lock hook, and a second spring is installed in the spring block. The cover plate is rotatably connected to the handle through the third spring.

[0004] The above technical solution has the disadvantage that it is only suitable for right-door opening mode. However, the door opening direction of the cabinet is limited by the use environment, and it is often encountered that the cabinet can only be set to the left door opening mode or the right door opening mode. Therefore, it is necessary to design a smart cabinet lock that can adapt to both left and right door opening modes. Utility Model Content

[0005] The utility model aims to solve the above technical problems and provides an intelligent cabinet lock that can adapt to left and right door opening modes at the same time.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A smart cabinet lock comprises a shell, a motor, a lock tongue assembly and a transmission assembly, wherein the lock tongue assembly comprises a lock tongue, a slider, two compression springs and a fixing plate, wherein two ends of a compression spring are respectively fixedly connected to the lock tongue and the slider, and two ends of another compression spring are respectively fixedly connected to the slider and the fixing plate, the motor is connected to the slider via the transmission assembly to drive the slider to translate left and right, lock tongue holes for the lock tongue to extend out are provided at the left and right ends of the shell, and two fixing plate slots for fixing and inserting the fixing plate are provided inside the shell, and the two fixing plate slots are symmetrical about the shell.

[0008] As a preferred technical solution, the transmission assembly includes a worm, a small double gear, a large double gear and a rack. The output shaft of the motor is fixedly connected to the worm, the worm is connected to the large gear in the small double gear, the small gear in the small double gear is transmission connected to the large gear in the large double gear, the large gear in the large double gear is transmission connected to the rack, and the rack is fixedly connected to the slider.

[0009] As a preferred technical solution, the housing includes a front housing and a rear housing, the front housing and the rear housing are fixedly connected by bolts, a plurality of arc-shaped clamping plates for clamping the motor are fixedly provided on the front housing and the rear housing, two gear mounting columns for mounting the small duplex gear and the large duplex gear are also fixedly provided on the front housing and the rear housing, and the gear mounting columns are provided with axial holes for inserting wheel axles.

[0010] As a preferred technical solution, the locking tongue is an oblique tongue.

[0011] After adopting the above technical solution, the utility model has the following advantages:

[0012] The utility model provides an intelligent cabinet lock, wherein a lock tongue, a slider, two compression springs, a fixing plate and a rack of a transmission assembly are integrally fixedly arranged. When the left or right door opening mode of the cabinet lock needs to be changed, the lock tongue, the slider, two compression springs, the fixing plate and the rack of the transmission assembly are taken out and installed in a reverse direction to the left or right, so that the cabinet lock can be changed from the left door opening mode to the right door opening mode, or from the right door opening mode to the left door opening mode. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of a smart cabinet lock;

[0014] Figure 2 An exploded diagram of a smart cabinet lock;

[0015] Figure 3 The present invention is a schematic diagram of the connection structure of the transmission component of a smart cabinet lock. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] like Figure 1-3 As shown, a smart cabinet lock includes a housing, a motor 1, a lock tongue assembly and a transmission assembly.

[0018] The lock tongue assembly includes a lock tongue 2, a slider 3, two compression springs 4, a fixing plate 5 and a slider guide rod 6. The lock tongue 2 is an inclined tongue. The transmission assembly includes a worm 7, a small double gear 8, a large double gear 9, a rack 10 and a rack guide rod 11.

[0019] The two ends of a compression spring 4 are respectively fixedly connected to the locking tongue 2 and the slider 3, and the two ends of another compression spring 4 are respectively fixedly connected to the slider 3 and the fixing plate 5. The motor 1 is connected to the slider 3 through the transmission assembly to drive the slider 3 to translate left and right.

[0020] The left and right ends of the housing are provided with locking tongue holes 16 for the locking tongue 2 to extend out, and the housing is provided with two fixing plate slots 17 for fixing and inserting the fixing plate 5, and the two fixing plate slots 17 are symmetrical about the housing.

[0021] The fixing plate 5 is provided with a slider guide rod through hole, one end of the slider guide rod 6 is fixedly connected to the lock tongue 2, and the other end of the slider guide rod 6 passes through the slider guide rod through hole. Two compression springs 4 are sleeved on the slider guide rod 6. The slider guide rod 6 passes through the slider 3 and is slidably connected to the slider 3.

[0022] The output shaft of the motor 1 is fixedly connected to the worm 7. The worm 7 is connected to the large gear in the small duplex gear 8, and the small gear in the small duplex gear 8 is transmission-connected to the large gear in the large duplex gear 9. The large gear in the large duplex gear 9 is transmission-connected to the rack 10. The motor 1 drives the worm 7, and the worm 7 meshes with the large gear in the small duplex gear 8 to complete the first stage of reduction. Then the small gear in the small duplex gear 8 meshes with the large gear in the large duplex gear 9 to complete the second stage of reduction. Finally, the small gear in the large duplex gear 9 meshes with the rack 10 to complete the third stage of reduction.

[0023] Both ends of the rack guide rod 11 are fixedly mounted on the housing, and the rack guide rod 11 passes through the rack 10 and is slidably connected to the rack 10 .

[0024] The housing includes a front housing 12 and a rear housing 13, and the front housing 12 and the rear housing 13 are fixedly connected by bolts. In this embodiment, the front housing 12 includes a front upper housing and a front lower housing, so that the smart cabinet lock has two installation cavities, the upper installation cavity is used to install a control circuit board, a battery box, etc., and the lower installation cavity is used to install a bolt assembly and a transmission assembly.

[0025] A plurality of arc-shaped clamping pieces 14 for clamping the motor are fixedly provided on the front lower housing and the rear housing 13, and the front and rear arc-shaped clamping pieces 14 clamp and fix the motor 1. Two gear mounting columns 15 for mounting the small double gear 8 and the large double gear 9 are also fixedly provided on the front housing 12 and the rear housing 14, and the gear mounting columns 15 are provided with shaft holes for inserting the wheel axles.

[0026] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0027] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A smart cabinet lock, characterized in that: It includes a shell, a motor, a lock tongue assembly and a transmission assembly, the lock tongue assembly includes a lock tongue, a slider, two compression springs and a fixing plate, the two ends of a compression spring are respectively fixedly connected to the lock tongue and the slider, the two ends of another compression spring are respectively fixedly connected to the slider and the fixing plate, the motor is connected to the slider through the transmission assembly to drive the slider to translate left and right, the left and right ends of the shell are provided with lock tongue holes for the lock tongue to extend out, and the shell is provided with two fixing plate slots for fixing and inserting the fixing plate, and the two fixing plate slots are symmetrical about the shell.

2. The intelligent cabinet lock according to claim 1, characterized in that: The transmission assembly includes a worm, a small double gear, a large double gear and a rack. The output shaft of the motor is fixedly connected to the worm, the worm is connected to the large gear in the small double gear, the small gear in the small double gear is transmission connected to the large gear in the large double gear, the large gear in the large double gear is transmission connected to the rack, and the rack is fixedly connected to the slider.

3. The intelligent cabinet lock according to claim 2, characterized in that: The housing comprises a front housing and a rear housing, the front housing and the rear housing are fixedly connected by bolts, a plurality of arc-shaped clamping plates for clamping the motor are fixedly provided on the front housing and the rear housing, two gear mounting columns for mounting the small duplex gear and the large duplex gear are also fixedly provided on the front housing and the rear housing, and an axial hole for inserting the wheel axle is provided on the gear mounting column.

4. The intelligent cabinet lock according to claim 1, characterized in that: The locking tongue is an oblique tongue.

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