Full-automatic lock transmission mechanism
By using a gear reducer and gear transmission system in the fully automatic lock transmission mechanism, the lock tongue assembly is prevented from being pushed back, thus solving the problem of the lock being pried open and achieving the safety and reliability of the lock.
Patent Information
- Application Number
- CN202423085344.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-13
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2034-12-13
AI Technical Summary
The existing latch assembly is easily pushed back into the lower cover assembly by external force during use, which can cause the lock to be pried open and poses a safety hazard.
A fully automatic lock transmission mechanism was designed, including a gear reducer assembly, a main lock tongue assembly, and a gear transmission system. The gear C drives the separation plate and the separation block to prevent the lock tongue assembly from being fully retracted into the lower cover assembly. The state transition is achieved in combination with motor control.
It effectively prevents the latch assembly from being pushed back by external force, ensuring that the lock cannot be illegally opened when locked, thus improving security and reliability.
Smart Images

Figure CN223724344U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of lock, specifically relates to a full -automatic lock transmission mechanism. BACKGROUND
[0002] One of the prior art lock tongue assemblies, in the use process, the lock tongue assembly is pushed out from the lower cover assembly, then the locking between the lower cover assembly and the external component is completed, and when the lock tongue assembly is completely received into the lower cover assembly, the separation between the lower cover assembly and the external component is completed.
[0003] However, the above-mentioned lock tongue assembly has the following problems in the use process:
[0004] The lock tongue assembly is extended from the lower cover assembly to lock the position between the lower cover assembly and the external component, but the lock tongue assembly can be forced from the outside to push the lock tongue assembly back into the lower cover assembly, thereby completing the connection between the lower cover assembly and the external component on the outside, and thus prying open the lock composed of the lower cover assembly. Therefore, the present application provides a full-automatic lock transmission mechanism. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a full-automatic lock transmission mechanism to solve the problems in the above background.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme, a full-automatic lock transmission mechanism, including gear reduction box assembly, main lock tongue assembly, gear reduction box assembly is connected with drive motor, gear reduction box assembly is connected with gear C through gear set;
[0007] The main lock tongue assembly is located in the lower cover assembly, and the main lock tongue assembly includes at least two states of the locked state and the unlocked state;
[0008] The gear C includes a gear body, one side of the gear body is provided with a gear protrusion, and the center line of the gear C is aligned with the center line of the main lock tongue block.
[0009] The main lock tongue block includes a connecting sleeve, an external gear and a block protrusion, and the external gear cooperates with the rack in the main lock tongue assembly.
[0010] The separation rotating block is rotatably installed in the lower cover assembly, the separation rotating block is connected with a torsional spring, and the separation rotating block is provided with a clamping block.
[0011] When the main lock tongue assembly is in the locked state, the clamping block in the separation rotating block is inserted into the clamping groove in the main lock tongue assembly, and the length of the clamping groove is less than the maximum length of the main lock tongue assembly extended from the lower cover assembly.
[0012] Preferably, the gear set includes gear A, and the gear reduction box assembly is used for driving the gear A to rotate forward and backward.
[0013] Preferably, the gear A is connected to the gear B through gear engagement transmission, and the gear B is connected to the gear C through gear engagement transmission.
[0014] Preferably, a spring is arranged between the gear reduction box assembly and the lower cover assembly.
[0015] Preferably, the gear C is inserted into the lower cover assembly, and a sector plate is arranged on the side of the gear C away from the gear block.
[0016] Preferably, the main lock tongue push block further comprises internal teeth, and a connecting sleeve in the main lock tongue push block is inserted into the lower cover assembly.
[0017] Preferably, the distance between the external teeth and the center line of the connecting sleeve is greater than the distance between the internal teeth and the center line of the connecting sleeve.
[0018] Preferably, the separation rotating block is inserted into the separation push plate, and the separation push plate is aligned with the sector plate in the gear C.
[0019] Preferably, a gear push plate is arranged in the lower cover assembly, and a square core rotating block is inserted into the middle position of the gear push plate.
[0020] Preferably, the square core rotating block is inserted into the lower cover assembly, the connecting groove in the center of the square core rotating block is arranged in a square shape, and the gear push plate is connected with the pressing ring.
[0021] Compared with the prior art, the utility model has the beneficial effects that:
[0022] Firstly, after the state of the main lock tongue assembly is adjusted to the locked state, the gear C is reversely rotated under the driving of the gear reduction box assembly, the separation push plate is rotated to the side close to the main lock tongue assembly under the action of the torsion spring, the separation push plate reaches the inner side region of the sector plate, at this time, the clamping block in the separation rotating block is inserted into the clamping groove in the main lock tongue assembly, at this time, the main lock tongue assembly moves to the side of the lower cover assembly and is hindered, and cannot be completely inserted into the lower cover assembly, so that the situation that the main lock tongue assembly is opened from the outside can be avoided.
[0023] Secondly, when the lock is opened and closed, the gear C is rotated through the gear reduction box assembly and the gear set, the sector plate in the gear C can push the separation push plate to rotate to the side away from the main lock tongue assembly in the process of rotation of the gear C, at this time, the separation rotating block connected with the separation push plate is rotated together, the clamping block on the separation rotating block is pulled out from the clamping groove, at this time, the movement of the main lock tongue assembly is not hindered by the separation rotating block, and the main lock tongue assembly can be converted between the locked state and the unlocked state. BRIEF DESCRIPTION OF DRAWINGS
[0024] Figure 1 This is one of the structure schematic diagrams when the main lock tongue assembly in the full-automatic lock transmission mechanism is in the locked state.
[0025] Figure 2 Structure diagram of the main lock tongue assembly in the full-automatic lock transmission mechanism in the utility model when the main lock tongue assembly is in the unlocking state.
[0026] Figure 3 Structure diagram of the main lock tongue assembly in the full-automatic lock transmission mechanism in the utility model when the main lock tongue assembly is in the unlocking state.
[0027] Figure 4 Structure diagram of the gear C in the utility model.
[0028] Figure 5 Structure diagram of the gear C in the utility model.
[0029] Figure 6 Structure diagram of the main lock tongue pushing block in the utility model.
[0030] Figure 7 Structure diagram of the main lock tongue pushing block in the utility model.
[0031] Figure 8 Split diagram of the full-automatic lock transmission mechanism in the utility model.
[0032] In the figure: 1, gear reduction box assembly; 2, spring; 3, gear A; 4, gear B; 5, main lock tongue assembly; 501, clamping groove; 6, gear C; 601, gear body; 602, sector plate; 603, gear protruding block; 604, induction plate; 7, square core rotating block; 8, main lock tongue pushing block; 801, connecting sleeve; 802, external teeth; 803, internal teeth; 804, pushing block protruding block; 9, circuit control board; 10, separation rotating block; 11, torsion spring; 12, separation pushing plate; 13, gear pushing plate; 14, pressing ring; 15, lower cover assembly. DETAILED DESCRIPTION
[0033] 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, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0034] Reference Figures 1-8The application discloses a full-automatic lock transmission mechanism, which comprises a gear reduction box assembly 1 and a main lock tongue assembly 5, wherein the gear reduction box assembly 1 is connected with a driving motor, the gear reduction box assembly 1 is in transmission connection with a gear C6 through a gear set, specifically, the gear set comprises a gear A3, the gear reduction box assembly 1 is used for driving the gear A3 to rotate in the forward direction and the reverse direction, the gear A3 is in transmission connection with a gear B4 through gear engagement, the gear B4 is in transmission connection with the gear C6 through gear engagement, and the gear reduction box assembly 1 is provided with a spring 2 between the gear reduction box assembly 1 and a lower cover assembly 15.
[0035] The spring 2 can be slightly displaced in the lower cover assembly 15, and is used for separating the gear reduction box assembly 1 from the gear A3 when transmission force between the gear reduction box assembly 1 and the gear A3 is large, so as to avoid damage of the device.
[0036] The main lock tongue assembly 5 is located in the lower cover assembly 15, the main lock tongue assembly 5 is extended out of the lower cover assembly 15 to complete locking between the lower cover assembly 15 and external components, the main lock tongue assembly 5 is retracted into the lower cover assembly 15, and the lower cover assembly 15 and the external components can be separated from each other, and in general, the main lock tongue assembly 5 comprises at least two states of a locking state and an unlocking state.
[0037] Specifically, the gear C6 comprises a gear body 601 and a sector plate 602, and the gear body 601 is provided with a gear protruding block 603 away from the sector plate 602.
[0038] It should be noted that the gear C6 is inserted into the lower cover assembly 15, the center line of the gear C6 is aligned with the center line of a main lock tongue push block 8, the gear protruding block 603 is aligned with a push block protruding block 804 in the main lock tongue push block 8, the gear C6 can drive the gear protruding block 603 to rotate in the process of rotating, when the gear protruding block 603 abuts against the outer wall of the push block protruding block 804, the gear protruding block 603 can drive the push block protruding block 804 to rotate, and then drives the main lock tongue assembly 5 to move outward or be retracted into the lower cover assembly 15.
[0039] Specifically, the main lock tongue push block 8 comprises a connecting sleeve 801, an outer tooth 802 and an inner tooth 803, the connecting sleeve 801 is inserted into the lower cover assembly 15, the distance between the outer tooth 802 and the center line of the connecting sleeve 801 is greater than the distance between the inner tooth 803 and the center line of the connecting sleeve 801, and the outer tooth 802 is matched with a rack in the main lock tongue assembly 5.
[0040] When the main lock tongue push block 8 rotates, the outer tooth 802 can be driven to rotate, when the outer tooth 802 is matched with the rack in the main lock tongue assembly 5, the rotation of the outer tooth 802 can drive the main lock tongue assembly 5 to move, so as to realize conversion between the locking state and the unlocking state of the main lock tongue assembly 5. When the inner tooth 803 is directed to the rack in the main lock tongue assembly 5, the main lock tongue assembly 5 can move to one side of the lower cover assembly 15.
[0041] More specifically, gear C6 is provided with an induction plate 604 on the side away from the sector plate 602, the induction plate 604 is aligned with the induction unit in the circuit control board 9, the induction unit judges the position of the gear C6 by sensing whether the induction plate 604 is in the designated position, as one of the many feedback elements for controlling the rotation of the gear C6.
[0042] When the main lock tongue assembly 5 is in the locked state, the inner teeth 803 in the main lock tongue push block 8 are towards the rack in the main lock tongue assembly 5, the main lock tongue assembly 5 can move to one side of the lower cover assembly 15, in order to lock the position of the main lock tongue push block 8, avoid the main lock tongue assembly 5 being completely sent into the lower cover assembly 15 from the outside, therefore a separation turning block 10 is rotatably installed in the lower cover assembly 15, the separation turning block 10 is connected with a torsion spring 11, the torsion spring 11 gives the separation turning block 10 a force to move towards the side close to the main lock tongue assembly 5, a clamping block is provided on the separation turning block 10.
[0043] When the main lock tongue assembly 5 is in the locked state, the clamping block in the separation turning block 10 is inserted into the clamping groove 501 in the main lock tongue assembly 5, the length of the clamping groove 501 is less than the maximum length of the main lock tongue assembly 5 protruding out of the lower cover assembly 15, in this way, when the clamping block is inserted into the clamping groove 501, the main lock tongue assembly 5 cannot be completely received into the lower cover assembly 15, at this time the lower cover assembly 15 and the external components are still in the locked state, which can avoid the case of unlocking from the outside.
[0044] A square core turning block 7 is inserted at the middle position, the square core turning block 7 is inserted into the circuit control board 9, the connecting groove at the middle position of the square core turning block 7 is provided in a square shape, the square core turning block 7 is inserted with the square rod in the circuit control board 9, the square core turning block 7 cooperates with the square rod, in this way the square core turning block 7 cannot rotate, which can avoid the square core turning block 7 rotating together with the gear C6 and the main lock tongue push block 8 during the rotation of the gear C6 and the main lock tongue push block 8
[0045] In a further embodiment, the separation turning block 10 is inserted into the separation push plate 12, the separation push plate 12 is aligned with the sector plate 602 in the gear C6, during the rotation of the gear C6, the sector plate 602 in it can push the separation push plate 12 to rotate away from the side of the main lock tongue assembly 5, at this time the separation turning block 10 connected with the separation push plate 12 rotates together, the clamping block on the separation turning block 10 is extracted from the clamping groove 501, at this time the movement of the main lock tongue assembly 5 is not hindered by the separation turning block 10, which can be converted between the locked state and the unlocked state, and after the state adjustment of the main lock tongue assembly 5, the gear C6 reversely rotates under the drive of the gear reduction box assembly 1, so that the separation push plate 12 reaches the inner side area of the sector plate 602, which can be referred to Figure 4 At this time, the clamping block in the separation turning block 10 is inserted into the clamping groove 501 in the main lock tongue assembly 5.
[0046] In a further embodiment, the lower cover assembly 15 is provided with a gear dial plate 13, and a square core rotating block 7 is inserted into the middle of the gear dial plate 13, the square core rotating block 7 is inserted into the lower cover assembly 15, a square-shaped connecting groove is arranged in the center of the square core rotating block 7, and the gear dial plate 13 is connected with the pressing ring 14.
[0047] Working principle:
[0048] The gear C6 rotates in the process, and the sector plate 602 in the gear C6 can push the separation dial plate 12 to rotate away from the main lock tongue assembly 5, at this time, the separation rotating block 10 connected with the separation dial plate 12 rotates together, and the clamping block on the separation rotating block 10 is pulled out from the clamping groove 501, at this time, the movement of the main lock tongue assembly 5 is not hindered by the separation rotating block 10, and the main lock tongue assembly 5 can be converted between the locked state and the unlocked state.
[0049] After the state of the main lock tongue assembly 5 is adjusted, the gear C6 reversely rotates under the drive of the gear reduction box assembly 1, so that the separation dial plate 12 reaches the inner side area of the sector plate 602, at this time, the clamping block in the separation rotating block 10 is inserted into the clamping groove 501 in the main lock tongue assembly 5, at this time, the movement of the main lock tongue assembly 5 to the lower cover assembly 15 is hindered, and the main lock tongue assembly 5 cannot be completely retracted into the lower cover assembly 15, so that the opening of the main lock tongue assembly 5 from the outside can be avoided.
[0050] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A full automatic lock transmission mechanism, characterized by, The gear reduction box assembly (1) is connected with a driving motor, and the gear reduction box assembly (1) is in transmission connection with the gear C (6) through a gear set. The main lock tongue assembly (5) is located in the lower cover assembly (15), and the main lock tongue assembly (5) includes at least two states of a locked state and an unlocked state. The gear C (6) includes a gear body (601), and a gear protrusion (603) is arranged on one side of the gear body (601). The main lock tongue assembly (5) includes a connecting sleeve (801), an outer gear (802), and a block protrusion (804), and the outer gear (802) is matched with a gear rack in the main lock tongue assembly (5). The lower cover assembly (15) is rotatably provided with a separation rotating block (10), the separation rotating block (10) is connected with a torsional spring (11), and the separation rotating block (10) is provided with a clamping block. When the main lock tongue assembly (5) is in the locked state, the clamping block in the separation rotating block (10) is inserted into a clamping groove (501) in the main lock tongue assembly (5), and the length of the clamping groove (501) is less than the maximum length of the main lock tongue assembly (5) extending out of the lower cover assembly (15).
2. A full automatic lock drive mechanism according to claim 1, characterized in that, The gear set includes a gear A (3), and the gear reduction box assembly (1) is used to drive the gear A (3) to rotate in the forward and reverse directions.
3. A full automatic lock drive mechanism according to claim 2, characterized in that, The gear A (3) is in transmission connection with a gear B (4) through gear engagement, and the gear B (4) is in transmission connection with the gear C (6) through gear engagement.
4. A full automatic lock drive mechanism according to claim 3, wherein The gear reduction box assembly (1) is provided with a spring (2) between the gear reduction box assembly (1) and the lower cover assembly (15).
5. A full automatic lock drive mechanism according to claim 4, characterized in that, The gear C (6) is inserted into the lower cover assembly (15), and a sector plate (602) is arranged on the side of the gear C (6) away from the gear protrusion (603).
6. A full automatic lock drive mechanism according to claim 1, wherein The main lock tongue assembly (5) includes a connecting sleeve (801), an outer gear (802), and a block protrusion (804), and the outer gear (802) is matched with a gear rack in the main lock tongue assembly (5).
7. A full automatic lock drive mechanism according to claim 6, characterized in that, The distance between the outer gear (802) and the center line of the connecting sleeve (801) is greater than the distance between the inner gear (803) and the center line of the connecting sleeve (801).
8. A full automatic lock drive mechanism according to claim 1, wherein The separation rotating block (10) is inserted into a separation push plate (12), and the separation push plate (12) is aligned with the sector plate (602) in the gear C (6).
9. A full automatic lock drive mechanism according to claim 1, wherein The lower cover assembly (15) is provided with a gear push plate (13), and a square core rotating block (7) is inserted into the middle position of the gear push plate (13).
10. A full automatic lock drive mechanism according to claim 9, characterized in that, The square core rotating block (7) is inserted into the lower cover assembly (15), the connecting groove in the center of the square core rotating block (7) is square-shaped, and the gear push plate (13) is connected with a pressing ring (14).