Simplified structure of lock
By simplifying the transmission structure of the lock and using a motor to drive gears and slide bars to push the bolt, the problem of bolt jamming caused by gear wear is solved, improving the reliability of the lock, facilitating installation and maintenance, and enhancing the user experience.
Patent Information
- Application Number
- CN202422623367.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-30
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-10-30
AI Technical Summary
In the transmission mechanism of existing smart locks, wear or insufficient lubrication of gears can cause gear jamming during engagement, affecting the normal operation of the lock tongue and impacting the reliability and user experience of the lock.
A simplified transmission structure is adopted, in which a motor drives a gear to drive a slide bar and a rack. The slide bar is equipped with a spring and a limit block. The slide bar is slidably connected to the lock tongue, realizing the extension and retraction of the lock tongue, reducing the number of transmission parts and avoiding jamming problems.
The simplified transmission components of the lock tongue improve the reliability of the lock and facilitate production, installation and maintenance, reduce the risk of jamming of the transmission components, and enhance the user experience.
Smart Images

Figure CN223634486U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of lockset especially relates to a lockset's simplified structure. BACKGROUND
[0002] With the rise of smart home in recent years, as the direct window of experiencing the charm of intelligent technology, intelligent lockset begins to popularize. As one of the core components of the smart lockset to open the door, the lock tongue, because whether the lock tongue can normally slide will affect the lockset to unlock the door to open, the fluency of opening the door directly affects the quality of the smart lockset and user experience.
[0003] Chinese patent CN207934612U discloses a new type of intelligent electronic lockset, including the lock body provided with the receiving cavity, the inside of the lock body is provided with the lock tongue that stretches and contracts from the side surface of the lock body and the transmission mechanism that makes the lock tongue stretch and contract movement, and the driving motor that drives the transmission mechanism to work, wherein the transmission mechanism includes the driving gear connected with the driving motor rotating shaft and the driven gear that meshes with the driving gear transmission, and the driving disc that meshes with the driven gear transmission, the rotating shaft of the driving disc is connected with one end of the lock tongue lever, the other end of the lock tongue lever is matched with the lock tongue, the lock stop structure is arranged between the lock tongue lever and the lock tongue, the lock stop structure includes a cavity that receives the lock tongue lever, the cavity is provided with the limiting angle matched with the two sides of the end of the lock tongue lever on the two side walls in the rotating direction of the lock tongue lever.
[0004] The gear will be worn or lack of lubrication after long time use, which will cause the tooth jamming phenomenon when meshing, the lock tongue in the above scheme and most of the locksets on the market is driven to run by multiple gears, so that the lockset is more likely to cause the lock tongue unable to run normally due to tooth jamming, which affects the normal use of the lockset. UTILITARIAN CONTENT
[0005] The utility model aims at providing a lockset's simplified structure, simplifying the transmission component that drives the lock tongue to slide, reducing the problem that the lock tongue cannot run normally.
[0006] The utility model discloses a lockset's simplified structure adopts the technical scheme:
[0007] The utility model discloses a lock's simplified structure, including shell and cover, be equipped with the lock tongue in the shell, the lock tongue is equipped with the limiting block on, the shell is equipped with the through -hole on the outside, the through -hole is equipped with the lock tongue in the shell, the limiting block is equipped with the limiting post on the lock tongue, the lock tongue is equipped with the limiting column on, the shell is equipped with the slide rod in the shell, the slide rod is equipped with the spring on the outside, the spring is equipped with the lock tongue, the slide rod is equipped with the rack on, the shell is equipped with the motor in, the motor is equipped with the gear on the output shaft, the gear is equipped with the rack cooperation and connection, the cover is equipped with the cover in the shell.
[0008] As a preferred scheme, the shell is provided with a battery slot, the battery slot is provided with a battery, and a battery cover is detachably installed at an opening of the battery slot.
[0009] As a preferred scheme, the slide rod is provided with a sliding block, the rack is fixedly connected with the sliding block, and the spring is in contact with the lock tongue and the sliding block.
[0010] As a preferred scheme, the shell is provided with a sliding groove, the through hole is located in the sliding groove, the lock tongue is slidably connected in the sliding groove, and the shell is provided with a sliding rail.
[0011] As a preferred scheme, the lock tongue is composed of a tongue core and a protective shell, the tongue core is provided with a hole, the hole is slidably connected with the slide rod, the spring is in contact with the tongue core, the protective shell is sleeved on the outside of the tongue core, the limiting block is located on the tongue core, the tongue core is provided with a positioning block, the protective shell is provided with a limiting slot and a positioning slot, the limiting block passes through the limiting slot, the positioning block is clamped in the positioning slot, the limiting hole is formed through the tongue core and the protective shell, the limiting hole of the tongue core is communicated with the hole, and the limiting column is fixedly connected in the limiting hole.
[0012] As a preferred scheme, the shell is provided with a plurality of clamping grooves, the cover is provided with a plurality of buckles, and the buckles are clamped in the clamping grooves.
[0013] As a preferred scheme, a plurality of connecting columns are extended in the shell, and the connecting columns pass through the cover.
[0014] The utility model discloses a lock's simplified structure, including shell and cover, be equipped with the lock tongue in the shell, the lock tongue is equipped with the limiting block on, the shell is equipped with the through -hole on the outside, the through -hole is equipped with the lock tongue in the shell, the limiting block is equipped with the limiting post on the lock tongue, the lock tongue is equipped with the limiting column on, the shell is equipped with the slide rod in the shell, the slide rod is equipped with the spring on the outside, the spring is equipped with the lock tongue, the slide rod is equipped with the rack on, the shell is equipped with the motor in, the motor is equipped with the gear on the output shaft, the gear is equipped with the rack cooperation and connection, the cover is equipped with the cover in the shell.
[0015] The output shaft of the motor drives the gear to rotate forward, the gear drives the sliding rod to slide towards the lock tongue through the rack, and the spring is compressed, the lock tongue is pushed out of the shell, and the limiting block on the lock tongue prevents the lock tongue from being popped out of the shell; when the door is closed, the door sill pushes the lock tongue into the shell, and further compresses the spring, and after the lock tongue approaches the lock slot on the door sill, the spring pushes the lock tongue into the lock slot, and the door closing work is completed;
[0016] When the door is opened, the output shaft of the motor drives the gear to rotate reversely, the gear drives the sliding rod to slide away from the lock tongue through the rack, and the slot of the sliding rod pulls the lock tongue into the shell through the limiting column, and the door opening work is completed; the door opening and closing work is completed only by the motor, the gear and the sliding rod as the driving parts for driving the lock tongue to operate, the number of driving parts is reduced, the driving parts are not easy to be stuck when cooperating, and the production, installation and maintenance of the lock are facilitated. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is a structure schematic view of a simplified structure of a lock of the utility model.
[0018] Figure 2 It is a shell internal structure schematic view of a simplified structure of a lock of the utility model.
[0019] Figure 3 It is a lock tongue structure schematic view of a simplified structure of a lock of the utility model.
[0020] Figure 4 It is a mounting schematic view of a tongue core and a protective shell of a simplified structure of a lock of the utility model.
[0021] Figure 5 It is a mounting schematic view of a shell and a cover plate of a simplified structure of a lock of the utility model.
[0022] Figure 6 It is a battery groove structure schematic view of a simplified structure of a lock of the utility model. DETAILED DESCRIPTION
[0023] The utility model will be further described and explained in connection with specific embodiments and the drawings of the specification:
[0024] Please refer to Figure 1 And Figure 2 .
[0025] The utility model discloses a simplified structure of a lock, including shell 1 and cover plate 4.
[0026] The side of shell 1 is provided with accommodating groove 11, and a plurality of clamping grooves 111 are formed in the inner wall of accommodating groove 11, and the plurality of clamping grooves 111 are arranged at intervals around the inner wall of accommodating groove 11;
[0027] Further, the outer side of the shell 1 is provided with a through hole penetrating into the accommodation groove 11; the accommodation groove 11 is provided with a sliding groove 112, and the through hole is in communication with the sliding groove 112; the accommodation groove 11 is provided with a sliding rail 113, the sliding rail 113 extends and penetrates into the sliding groove 112, and the sliding rail 113 and the sliding groove 112 are parallel to each other;
[0028] Further, the accommodation groove 11 is fixedly connected with a motor 12, and the output shaft of the motor 12 is fixedly connected with a gear 121.
[0029] Further, a plurality of connecting columns 13 extend in the accommodation groove 11, and the embodiment preferably has two connecting columns 13, and the connecting columns 13 extend out of the opening of the accommodation groove 11.
[0030] Further, the accommodation groove 11 is fixedly connected with a motor 12, and the output shaft of the motor 12 is fixedly connected with a gear 121.
[0031] Please refer to Figures 2-4 .
[0032] The accommodation groove 11 is slidably connected with a sliding rod 14, the sliding rod 14 is provided with a rack 142, one end of the sliding rod 14 extends a sliding block 141, the rack 142 is fixedly connected with the top of the sliding block 141, and the gear 121 is connected with the rack 142 in a matched mode; the outer side of the sliding rod 14 is sleeved with a spring 143, one end of the spring 143 abuts against the sliding block 141, and the sliding block 141 is slidably connected with the sliding rail 113.
[0033] Further, the sliding rod 14 is provided with a slot 144 penetrating through the sliding rod 14, the slot 144 is parallel to the sliding rod 14, the slot 144 is close to the other end of the sliding rod 14, and the other end of the sliding rod 14 extends into the sliding groove 112.
[0034] The accommodation groove 11 is slidably connected with a lock tongue 2, the lock tongue 2 is composed of a tongue core 21 and a protective shell 22; one end of the tongue core 21 is provided with a hole 213, the other end of the tongue core 21 is provided with a circular surface, the lock tongue 2 extends a limiting block 211, the limiting block 211 is located on one side of the tongue core 21, and the top and bottom of the tongue core 21 extend positioning blocks 212.
[0035] Further, the embodiment preferably has a U-shaped structure in cross section; the protective shell 22 is provided with a limiting groove 221 penetrating through the protective shell 22, the protective shell 22 is provided with a positioning groove 222 penetrating through the protective shell 22; the protective shell 22 is sleeved on the outer side of the tongue core 21, the protective shell 22 wraps the top, one side and bottom of the tongue core 21, the limiting block 211 penetrates through the limiting groove 221, the positioning block 212 is clamped into the positioning groove 222, and the limiting block 211 and the positioning block 212 fix the protective shell 22 on the outer side of the tongue core 21.
[0036] Further, the tongue core 21 and the protective shell 22 are both provided with limiting holes 223, the limiting holes 223 of the tongue core 21 are located on the same axis as the limiting hole 223 of the protective shell 22, the limiting holes 223 of the tongue core 21 are communicated with the hole position 213, and the locking tongue 2 is provided with a limiting column 23.
[0037] The locking tongue 2 is slidingly connected in the sliding groove 112, the other end of the tongue core 21 passes through the through hole and is located outside the shell 1, the limiting block 211 abuts against the edge of the through hole, the sliding rod 14 is slidingly connected with the hole position 213, the other end of the spring 143 abuts against one end of the tongue core 21, the limiting column 23 is fixedly connected in the limiting hole 223, the limiting column 23 passes through the groove position 144, the outer side of the limiting column 23 is slidingly connected with the inner wall of the groove position 144, and the limiting block 211 can prevent the locking tongue 2 from being pushed out of the shell 1 by the spring 143.
[0038] Please refer to Figure 5 .
[0039] The outer side of the cover plate 4 extends a plurality of buckles 411, the plurality of buckles 411 are arranged at intervals around the outer side of the cover plate 4, the cover plate 4 is arranged at the opening of the accommodation groove 11, the buckle 411 is buckled into the adjacent clamping groove 111, the buckle 411 of the cover plate 4 is fixed in the clamping groove 111 of the shell 1, so that the cover plate 4 can be fixed on the accommodation groove 11 of the shell 1; the connecting column 13 passes through the cover plate 4, the connecting column 13 is provided with a screw hole, the screw hole passes through the connecting column 13, the shell 1 is placed on the door plate, the cover plate 4 is in contact with the door plate, the screw hole is provided with a screw, and the screw is fixedly connected with the door plate, so that the shell 1 is fixed on the door plate.
[0040] Please refer to Figure 6 .
[0041] The other side of the shell 1 is provided with a battery groove 15, the battery groove 15 is provided with a battery 151, and the opening of the battery groove 15 is detachably provided with a battery cover 152; the accommodation groove 11 is provided with a control circuit, the control circuit is electrically connected with the battery 151, and the control circuit is electrically connected with the motor 12.
[0042] Please refer to Figure 2 .
[0043] When the door is closed:
[0044] The output shaft of the motor 12 drives the gear 121 to rotate in the positive direction, the gear 121 drives the sliding rod 14 to slide a certain distance towards the locking tongue 2 through the rack 142, the spring 143 drives the locking tongue 2 to extend out of the outer side of the shell 1 and compresses the spring 143, and the limiting column 23 slides a certain distance in the groove position 144;
[0045] The user pushes the door plate to rotate on the door frame, and the shell 1 is close to the limiting part 3, the arc surface of the tongue core 21 contacts with the limiting part 3, the lock tongue 2 is pushed into the shell 1, and the spring 143 is further compressed, and the limiting column 23 further slides in the slot position 144 by a certain distance; after the lock tongue 2 is aligned with the lock slot, the spring 143 pushes the lock tongue 2 to slide out of the shell 1 and is clamped into the lock slot, and the work of closing the door is completed.
[0046] When opening the door:
[0047] The output shaft of the motor 12 drives the gear 121 to reverse, the gear 121 drives the slide rod 14 to slide a certain distance in the direction away from the lock tongue 2 through the rack 142, and the slot position 144 of the slide rod 14 pulls the lock tongue 2 into the shell 1 through the limiting column 23, so that the lock tongue 2 is separated from the lock slot, and the user can open the door plate, and the work of opening the door is completed.
[0048] The utility model provides a kind of simplified structure of lock, the output shaft of motor drives gear positive rotation, gear is driven slide rod in the direction close to lock tongue by rack, and spring is compressed, and lock tongue is pushed out of shell, and the limiting block on lock tongue limits lock tongue to avoid being ejected from shell by spring;When closing the door, door sill drives lock tongue into shell, and further compresses spring, after lock tongue is close to the lock slot on door sill, spring drives lock tongue to be clamped into lock slot, and the work of closing the door is completed;
[0049] When opening the door, the output shaft of motor drives gear to reverse, and gear is driven slide rod in the direction away from lock tongue by rack, and the slot position of slide rod pulls lock tongue into shell by limiting column, and the work of opening the door is completed;The work of opening and closing door is only driven lock tongue to operate by motor, gear and slide rod as transmission component, reduce the quantity of transmission component, so that transmission component is not prone to jamming when cooperating operation, also facilitate the production installation and maintenance of the lock.
[0050] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the utility model, and not to limit the protection scope of the utility model, although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the utility model can be modified or replaced equivalently without departing from the essence and scope of the technical solutions of the utility model.
Claims
1. A simplified structure of a lock, characterized in that, It includes an outer shell and a cover plate, and the outer shell has a receiving groove; A locking tongue is slidably connected in the receiving groove, and a limiting block extends from the locking tongue. A through hole is provided on the outer side of the outer shell, the through hole passes into the receiving groove, the locking tongue passes out of the outer shell through the through hole, the limiting block touches the edge of the through hole, and a limiting post is provided on the locking tongue. A slide rod is slidably connected inside the receiving groove. The slide rod is slidably connected to the locking tongue. A spring is sleeved on the outside of the slide rod. The spring touches the locking tongue. A groove is opened on the slide rod. The limiting post is placed in the groove and makes slidable contact. A rack is provided on the slide rod. The receiving slot is equipped with a motor, and a gear is fixedly connected to the output shaft of the motor. The gear is connected to the rack. The cover plate is placed over the opening of the receiving groove.
2. The simplified structure of the lock as described in claim 1, characterized in that, The outer casing has a battery slot, in which a battery is installed. A battery cover is detachably installed at the opening of the battery slot. A control circuit is provided in the receiving slot. The control circuit is electrically connected to the battery and the motor.
3. The simplified structure of a lock as described in claim 2, characterized in that, A slider extends from the slide rod, the rack is fixedly connected to the slider, and the two ends of the spring respectively contact the locking tongue and the slider.
4. A simplified structure of a lock as described in claim 3, characterized in that, The receiving groove is provided with a sliding groove, the through hole is located in the sliding groove, the locking tongue is placed in the sliding groove and slidably connected, the receiving groove is provided with a slide rail, and the slider is slidably connected to the slide rail.
5. A simplified structure of a lock as described in claim 4, characterized in that, The latch is composed of a latch core and a protective shell. The latch core has a hole that is slidably connected to a slide rod. The spring contacts the latch core. The protective shell is sleeved on the outside of the latch core. The limiting block is located on the latch core. A positioning block extends from the latch core. The protective shell has a limiting groove and a positioning groove. The limiting block passes through the limiting groove, and the positioning block is engaged in the positioning groove. Both the latch core and the protective shell have limiting holes. The limiting hole of the latch core is connected to the hole. The limiting post passes through the limiting hole and is fixedly connected.
6. A simplified structure of a lock as described in claim 5, characterized in that, The inner wall of the receiving groove is provided with multiple slots, and the outer side of the cover plate has multiple buckles that engage with the slots.
7. A simplified structure of a lock as described in claim 6, characterized in that, Multiple connecting posts extend from the receiving slot, and the connecting posts penetrate the cover plate.
Citation Information
Patent Citations
Novel intelligence tool to lock
CN207934612U