Arc-shaped spring bolt with gear
By coordinating the drive and rotation mechanisms, the problem of unsmooth unlocking caused by misalignment between the gears and racks in arc-shaped geared lock tongues has been solved, resulting in a smoother lock tongue unlocking process and improved anti-theft performance.
Patent Information
- Application Number
- CN202423172502.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-23
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-12-23
AI Technical Summary
Existing curved gear lock tongues suffer from uneven unlocking due to slight misalignment between the gears and racks after long-term use, and the transmission structure is easily pried open, affecting anti-theft performance.
The system employs a combination of a drive mechanism and a rotation mechanism. The first push rod retracts to separate the tooth groove and the gear, preventing the gear from rotating to unlock. The rotation mechanism drives the locking tongue to rotate, thus unlocking the device and increasing its smoothness.
It improves the smoothness of unlocking the bolt, enhances anti-theft performance, simplifies the unlocking process, and reduces the risk of the bolt being pried open.
Smart Images

Figure CN223689458U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to arc lock tongue technical field especially relates to an arc gear lock tongue. BACKGROUND
[0002] The market's anti-theft door edge lock is mostly cylindrical or square telescopic lock tongue, the lock tongue is easy to be shaken and retracted into the lock body when the edge lock is closed under axial force, and the lock tongue of the general anti-theft door edge lock is connected with a pull rod, then drives the pull rod to drive the lock tongue to extend or retract, the transmission mode of the lock tongue is also easy to pry open the lock tongue, and the anti-theft performance of the edge lock is reduced, and the anti-theft door edge lock on the market is complex in structure and high in manufacturing cost.
[0003] The arc gear lock tongue is an advanced lock technology combining gear transmission and lock tongue design, and has the advantages of high precision, high transmission efficiency, high sealing property and high anti-theft performance.
[0004] The existing arc gear lock tongue is mostly rotated and unlocked and fixed to the arc lock tongue by gear and rack cooperation in the using process, but the arc lock tongue is unlocked by gear and rack, and the gear and rack are relatively resisted under slight misalignment in the long-term using process, the force required to pull the rack is increased, the unlocking of the lock tongue is not smooth enough, and the use is affected. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing an arc gear lock tongue to solve the above-mentioned deficiencies in the prior art.
[0006] In order to achieve the above object, the utility model adopts the following technical scheme: an arc gear lock tongue, comprising a lock shell, an arc lock tongue is rotatably installed in the inside of the lock shell, a gear is fixedly installed at the bottom of the arc lock tongue, a gear slot is arranged on one side of the gear, the gear slot is matched with the gear, the gear slot is slidably installed in the inside of the gear, a first jacking rod is fixedly connected to one end of the gear slot away from the gear, a first supporting column is slidably connected to one end of the first jacking rod, a first spring is fixedly connected between the first supporting column and the first jacking rod, a driving mechanism is arranged on the first jacking rod, and a rotating mechanism is arranged at the top of the arc lock tongue.
[0007] As a further description of the above technical scheme: the driving mechanism comprises a driving plate, the driving plate is slidably arranged in the inside of the lock shell, a driving groove is formed in the driving plate, a first driving rod is fixedly installed at the top of the first jacking rod, the first driving rod is arranged in the inside of the driving groove, and the first driving rod is slidably matched with the first supporting column.
[0008] As the further description of the above technical solutions: the rotating mechanism comprises a second driving rod, the second driving rod is fixedly installed on one side of the top of the arc-shaped lock tongue, the top of the arc-shaped lock tongue is provided with a driving frame, and the second driving rod is slidably arranged in the driving frame.
[0009] As the further description of the above technical solutions: the driving frame and one end of the driving rod are fixedly connected with second top rods, one end of the two second top rods is slidably installed with second supporting columns, the two second supporting columns are fixedly installed in the lock shell, and the second top rods are fixedly connected with the second supporting columns through second springs.
[0010] As the further description of the above technical solutions: the driving plate and the driving frame are fixedly connected with a connecting rod, the top of the connecting rod is fixedly connected with a pushing block penetrating through the top of the lock shell, the pushing block is slidably matched with the lock shell, one end of the connecting rod close to the driving frame is fixedly connected with a top column, an adaptive groove is arranged at one end of the driving frame close to the connecting rod, the radius of the adaptive groove is greater than the radius of the top column, and the other end of the connecting rod away from the top column is fixedly connected with the driving rod.
[0011] As the further description of the above technical solutions: two sliding grooves are arranged at the top of the lock shell, sliding rods are fixedly installed at the top of one end of the driving plate and the driving frame, the two sliding rods are slidably arranged in the two sliding grooves respectively, a limiting frame is slidably arranged on the tooth groove, and the limiting frame is fixedly installed in the lock shell.
[0012] The arc-shaped gear lock tongue has the following beneficial effects: when the arc-shaped lock tongue is rotated, the device avoids unlocking by gear rotation, first contracts the first top rod into the first supporting column through the driving mechanism, so that the tooth groove is separated from the gear, and after the gear is unlocked, rotates the arc-shaped lock tongue through the rotating mechanism, so that the arc-shaped lock tongue is retracted into the lock shell, and unlocking is completed.
[0013] It should be understood that the foregoing general description and the following detailed description are only exemplary and illustrative, but not for limiting the present disclosure.
[0014] The present application file provides an overview of various implementations or examples of the technology described in the present disclosure, and is not a comprehensive disclosure of the full scope or all features of the disclosed technology. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 The utility model provides an overall structure schematic diagram of an arc-shaped gear lock tongue.
[0016] Figure 2 It is three-dimensional explosion structure schematic view of the utility model;
[0017] Figure 3 It is three-dimensional structure schematic view of arc lock tongue and gear of the utility model;
[0018] Figure 4 It is three-dimensional structure schematic view of arc lock tongue, gear and first top rod of the utility model;
[0019] Figure 5 It is three-dimensional structure schematic view of arc lock tongue and drive frame of the utility model;
[0020] Figure 6 It is three-dimensional structure schematic view of first top rod and drive plate of the utility model.
[0021] Legend:
[0022] 1, lock shell, 2, lock tongue, 3, gear, 4, tooth groove, 5, first top rod, 6, first spring, 7, first support column, 8, first drive rod, 9, drive plate, 10, drive slot, 11, second drive rod, 12, drive frame, 13, adaptive slot, 14, top column, 15, connecting rod, 16, push block, 17, second top rod, 18, second support column, 19, second spring, 20, sliding slot, 21, sliding rod, 22, limit frame. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.
[0024] Reference Figures 1-6The utility model provides an arc gear lock tongue, including the lock shell 1, the inside rotation of lock shell 1 is installed with arc lock tongue 2, the bottom fixed mounting of arc lock tongue 2 is equipped with gear 3, one side of gear 3 is provided with the tooth groove 4, the tooth groove 4 is suitable with gear 3, the tooth groove 4 is slidably installed in the inside of gear 3, the first top rod 5 is fixedly connected with the one end of tooth groove 4 away from gear 3, the first top rod 5 one end slidably connected with first support column 7, first spring 6 is fixedly connected between first support column 7 and first top rod 5, be provided with drive mechanism on first top rod 5, the top of arc lock tongue 2 is provided with rotating mechanism, when rotating arc lock tongue 2, the utility model avoids using gear 3 to rotate and unlocks, first top rod 5 is contracted to the inside of first support column 7 first through drive mechanism, so that gear 3 is separated from tooth groove 4, after unlocking gear 3, through rotating mechanism and drive arc lock tongue 2 to rotate, so that arc lock tongue 2 is retracted in the inside of lock shell 1, complete unlocking, the utility model avoids using gear 3 to rotate and unlocks, increases the fluency of unlocking.
[0025] As a preferred technical scheme of the embodiment, the drive mechanism includes a drive plate 9, the drive plate 9 is slidably arranged in the inside of the lock shell 1, a drive groove 10 is formed in the drive plate 9, a first drive rod 8 is fixedly installed on the top of the first top rod 5, the first drive rod 8 is arranged in the drive groove 10, and the first drive rod 8 is slidably matched with the first support column 7; when unlocking the gear 3, the relative displacement between the drive groove 10 on the drive plate 9 and the first drive rod 8 is caused by moving the drive plate 9, the first drive rod 8 is moved under the action of the drive groove 10, and the first top rod 5 is received into the inside of the first support column 7.
[0026] As a preferred technical scheme of the embodiment, the rotating mechanism includes a second drive rod 11, the second drive rod 11 is fixedly installed on one side of the top of the arc lock tongue 2, a drive frame 12 is arranged on the top of the arc lock tongue 2, and the second drive rod 11 is slidably arranged in the inside of the drive frame 12; when the arc lock tongue 2 needs to be rotated, the drive frame 12 is pushed, the second drive rod 11 is moved in the inside of the drive frame 12 by moving the drive frame 12, the arc lock tongue 2 is rotated, the included angle between the straight line connected by the initial position of the second top rod 17 on the arc lock tongue 2 and the center point of the arc lock tongue 2 and the drive frame 12 is less than 90°, so that the second top rod 17 and the drive frame 12 are avoided from abutting.
[0027] As the preferred technical scheme of the embodiment, the second top rod 17 is fixedly connected to one end of the driving frame 12 and the driving rod, one end of the second top rod 17 is slidingly installed with the second support column 18, the second support column 18 is fixedly installed inside the lock shell 1, and the second top rod 17 is fixedly connected with the second support column 18 and the second spring 19; the driving plate 9 and the driving frame 12 are supported by the second top rod 17, the second spring 19 and the second support column 18, so that the driving plate 9 and the driving frame 12 can reset when there is no external force, and the latch 2 and the gear slot 4 reset.
[0028] As the preferred technical scheme of the embodiment, the driving plate 9 and the driving frame 12 are fixedly connected with the connecting rod 15, the top of the connecting rod 15 penetrates through the top of the lock shell 1 and is fixedly connected with the push block 16, the push block 16 is slidingly matched with the lock shell 1, one end of the connecting rod 15 close to the driving frame 12 is fixedly connected with the top column 14, one end of the driving frame 12 close to the connecting rod 15 is provided with the matching groove 13, the radius of the matching groove 13 is greater than the radius of the top column 14, and one end of the connecting rod 15 away from the top column 14 is fixedly connected with the driving rod; the push block 16 drives the connecting rod 15, so as to drive the driving plate 9 and the driving frame 12 to move, the connecting rod 15 directly drives the driving plate 9 to move, when the gear slot 4 is separated from the gear 3, the top column 14 completely enters the inside of the driving frame 12, the connecting rod 15 contacts with the driving frame 12, drives the driving frame 12 to move, and the arc-shaped latch 2 rotates.
[0029] As the preferred technical scheme of the embodiment, the top of the lock shell 1 is provided with two sliding grooves 20, the driving plate 9 and the driving frame 12 are fixedly installed with the sliding rod 21 at the top, the sliding rod 21 is slidingly installed in the sliding groove 20, the gear slot 4 is slidingly installed with the limiting frame 22, and the limiting frame 22 is fixedly installed in the lock shell 1; the limiting frame 22, the two sliding rods 21 and the two sliding grooves 20 ensure the stability of the movement of the driving plate 9, the driving frame 12 and the gear slot 4.
[0030] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0031] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.
Claims
1. An arcuate toothed gear lock tongue comprising a lock housing (1), characterized in that: The inside of the lock shell (1) is rotatably installed with an arc-shaped lock tongue (2), the bottom of the arc-shaped lock tongue (2) is fixedly installed with a gear (3), one side of the gear (3) is provided with a gear slot (4), the gear slot (4) is matched with the gear (3), the gear slot (4) is slidably installed inside the gear (3), one end of the gear slot (4) away from the gear (3) is fixedly connected with a first top rod (5), one end of the first top rod (5) is slidably connected with a first supporting column (7), the first supporting column (7) and the first top rod (5) are fixedly connected with a first spring (6), the first top rod (5) is provided with a driving mechanism, and the top of the arc-shaped lock tongue (2) is provided with a rotating mechanism.
2. A curved band gear lock tongue according to claim 1, wherein, The driving mechanism comprises a driving plate (9), the driving plate (9) is slidably arranged inside the lock shell (1), the driving plate (9) is provided with a driving groove (10), the top of the first top rod (5) is fixedly installed with a first driving rod (8), the first driving rod (8) is arranged inside the driving groove (10), and the first driving rod (8) is slidably matched with the first supporting column (7).
3. An arcuate band gear latch tongue as defined in claim 2 wherein, The rotating mechanism comprises a second driving rod (11), the second driving rod (11) is fixedly installed on one side of the top of the arc-shaped lock tongue (2), the top of the arc-shaped lock tongue (2) is provided with a driving frame (12), and the second driving rod (11) is slidably arranged inside the driving frame (12).
4. The arcuate toothed lock tongue of claim 3, wherein, The driving frame (12) and one end of the driving rod are fixedly connected with a second top rod (17), two second top rods (17) are slidably installed with a second supporting column (18), the second supporting column (18) is fixedly installed inside the lock shell (1), and the second top rod (17) and the second supporting column (18) are fixedly connected with a second spring (19).
5. An arcuate band gear latch according to claim 4, wherein, The driving plate (9) and the driving frame (12) are fixedly connected with a connecting rod (15), the top of the connecting rod (15) penetrates the top of the lock shell (1) and is fixedly connected with a pushing block (16), the pushing block (16) is slidably matched with the lock shell (1), one end of the connecting rod (15) close to the driving frame (12) is fixedly connected with a top column (14), one end of the driving frame (12) close to the connecting rod (15) is provided with an adaptive groove (13), the radius of the adaptive groove (13) is greater than the radius of the top column (14), and the other end of the connecting rod (15) away from the top column (14) is fixedly connected with the driving rod.
6. An arcuate band gear latch according to claim 4, wherein, Two sliding grooves (20) are formed in the top of the lock shell (1), a sliding rod (21) is fixedly installed on one end of the top of the driving plate (9) and the driving frame (12), the sliding rod (21) is slidably installed in the sliding groove (20), and a limiting frame (22) is slidably installed on the gear slot (4).