Lock body with staggered transmission machinery

Abstract

The utility model discloses a lock body with dislocation transmission machinery, which comprises a shell, an input shaft is rotatably connected in the shell, an input gear is connected on the surface of the outer end of the input shaft, a middle transmission part is arranged at the side end of the input gear, the middle transmission part consists of a plurality of gears with different sizes, the gears comprise a first gear, a second gear and a third gear, the side end of the first gear is connected with a second gear, and a third gear is arranged at the lower end of the second gear. Through the arrangement of the middle transmission part, the output rod and other parts, the key is rotated, the input shaft starts to rotate, power is transmitted step by step through the middle transmission part, and due to the gear ratio relation of gears of the middle transmission part, torque is amplified, the output rod can powerfully push the spring bolt to retract into the shell, and therefore unlocking is achieved. The dislocation transmission structure increases the complexity of unlocking, and compared with a traditional direct transmission type lock body, an attacker is difficult to simulate the unlocking action through a simple tool.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of lock body with staggered transmission mechanism, concretely to a lock body with staggered transmission mechanism. BACKGROUND

[0002] Lock body is one of the components of lock, is often seen on the security door, is responsible for the basic anti-theft work, and the lock cylinder controls the operation of the lock body, and the lock body is responsible for the opening and locking of the door and window.

[0003] However, the conventional lock body usually adopts a relatively simple straight transmission mode, which is easy to be cracked by technical unlocking means, and has certain limitations in safety and reliability, for example, some conventional locks are easy to be cracked by lock picking tools, and the lock cylinder may be jammed in complex environment. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a lock body with staggered transmission mechanism, which has the characteristics of improving the safety and stability of the lock body through staggered transmission.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a lock body with staggered transmission mechanism, comprising a shell, an input shaft is rotatably connected in the shell, an input gear is connected to the outer end surface of the input shaft, an intermediate transmission component is arranged at the side end of the input gear, the intermediate transmission component is composed of a plurality of gears with different sizes, including a first gear, a second gear is connected to the side end of the first gear, a third gear is arranged at the lower end of the second gear, a supporting rod is arranged at the side end of the second gear and the third gear, an output rod is arranged in the shell, a lock tongue is connected to the side end of the output rod, and a No. 1 spring is connected to the side end of the output rod.

[0006] In order to facilitate the installation of the shell, as a lock body with staggered transmission mechanism of the utility model is preferred, the shell is made of high-strength metal alloy, mounting plates are connected to the upper and lower ends of the shell, and mounting holes are formed in the mounting plates.

[0007] In order to lock the input shaft, as a lock body with staggered transmission mechanism of the utility model is preferred, a shaft hole is formed in the shell, the input shaft is rotatably connected in the shaft hole, a lock cylinder is connected in the shell, and the input shaft is rotatably connected at the lower end of the lock cylinder.

[0008] In order to ensure the stability of the input shaft, as a lock body with staggered transmission mechanism of the utility model is preferred, a key hole is formed in the input shaft, the lock cylinder adopts a multi-row marble structure, the height and arrangement of the marbles are matched with the tooth shape of the key, and the lock cylinder has a guide groove inside.

[0009] In order to make the gear in the intermediate transmission component misaligned transmission, as a kind of lock body with misaligned transmission mechanism of the utility model, the gear in the intermediate transmission component adopts misaligned installation mode, that is, not on the same plane, but there is a certain offset up and down, front and back, the support rod side end is connected with the inner wall of the shell.

[0010] In order to make the intermediate transmission component run smoothly, as a kind of lock body with misaligned transmission mechanism of the utility model, the input gear is engaged with the first gear, the second gear is engaged with the third gear, the output rod upper end is provided with a gear slot, the output rod is connected with the last gear of the intermediate transmission component, and the output rod is engaged with the third gear.

[0011] In order to constrain the movement of the lock tongue, as a kind of lock body with misaligned transmission mechanism of the utility model, the shell is connected with a fixed block, the side end of the No. 1 spring is connected with the fixed block, the side end of the fixed block is connected with a guide rod, the output rod is provided with a sliding groove on both sides, and the output rod is slidingly connected in the guide rod.

[0012] In order to improve the safety of the device again, as a kind of lock body with misaligned transmission mechanism of the utility model, the side end of the shell is provided with an action plate, the action plate and the shell are connected with a No. 2 spring, the input shaft is located in the action plate, and the two are not connected, the side end of the shell is connected with a sensor button, and the sensor button is located at the side end of the action plate.

[0013] In order to complete self-locking when external force is used to pry the lock, as a kind of lock body with misaligned transmission mechanism of the utility model, the shell is connected with a battery block, the shell is provided with a controller, the side end of the controller is connected with an electric push rod, the side end of the electric push rod is connected with a clamping block, the output rod is provided with a clamping groove, the clamping block can be inserted into the clamping groove, and the shell is provided with a buzzer.

[0014] Compared with the prior art, the utility model has the beneficial effects as follows:

[0015] 1. The utility model discloses a intermediate transmission component, output rod and other components are set up, when the correct key is inserted into the key hole of input shaft, rotates the key, input shaft starts to rotate, power is gradually transmitted through intermediate transmission component, because of the gear number ratio of intermediate transmission component, torque is amplified, so that the output rod can powerfully push the lock tongue to retract into the shell, thereby realizing unlocking, and because of the accurate engagement between the gears and the torque amplification effect, the lock tongue can be guaranteed to be stably extended and retracted, the situation that the lock tongue is stuck or cannot work normally due to unstable transmission is reduced, and the misaligned transmission structure increases the complexity of unlocking, compared with the traditional straight transmission lock body, the attacker is difficult to simulate the unlocking action through simple tools.

[0016] 2. The utility model discloses a set with action plate, sensor button etc. component, when having external force trying to pry open lock body shell, action plate will be under the action of force, under the action of no. 2 spring, action plate can move to press the sensor button of trigger, thereby the controller is received sensor button, it will start electric push rod, and electric push rod will push the block and insert in the clamping groove, thereby the movement of output rod is restricted, thereby the bolt is stuck in the inside, prevents the lock, and the controller can make buzzer produce alarm, thereby the security of device is promoted. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the overall structural drawing of the utility model;

[0018] Figure 2 It is the block structure drawing of the utility model;

[0019] Figure 3 It is the spring structure drawing of the utility model;

[0020] Figure 4 It is the intermediate transmission component structure drawing of the utility model;

[0021] Figure 5 It is the section structure drawing of the utility model.

[0022] In the drawing: 1, shell, 2, input shaft, 3, input gear, 4, intermediate transmission component, 401, first gear, 402, second gear, 403, third gear, 404, support rod, 5, output rod, 6, bolt, 7, no. 1 spring, 8, mounting plate, 9, lock cylinder, 10, fixed block, 11, guide rod, 12, action plate, 13, no. 2 spring, 14, sensor button, 15, battery block, 16, controller, 17, electric push rod, 18, block, 19, clamping groove, 20, buzzer. DETAILED DESCRIPTION

[0023] Please refer to Figures 1 to 5 A lock body with staggered transmission mechanism, including shell 1, the input shaft 2 is rotatably connected in shell 1, the input shaft 2 outer end surface is connected with input gear 3, and input gear 3 side end is provided with intermediate transmission component 4, and intermediate transmission component 4 is composed of multiple gears of different sizes, including first gear 401, and the side end of first gear 401 is connected with second gear 402, and the lower end of second gear 402 is provided with third gear 403, and the side end of second gear 402, third gear 403 is provided with support rod 404, and the output rod 5 is provided in shell 1, and the side end of output rod 5 is connected with bolt 6, and the side end of output rod 5 is connected with no. 1 spring 7.

[0024] In this embodiment: the shell 1 is used to protect the internal components, the input shaft 2 rotates to drive the input gear 3 to rotate, so that the output rod 5 can be driven to move through the intermediate transmission component 4, so that the lock tongue 6 can be moved to complete the unlocking and locking actions, the first spring 7 is used to provide a thrust force to the output rod 5, so that the lock tongue 6 can be kept in the extended state without other external forces.

[0025] As a technical optimization scheme of the utility model, the shell 1 is made of high-strength metal alloy, and the mounting plate 8 is connected to the upper and lower ends of the shell 1, and the mounting hole is formed in the mounting plate 8.

[0026] In this embodiment: the material of the shell 1 has good impact resistance and corrosion resistance, so as to ensure the service life of the internal components, and the mounting plate 8 is used to mount the lock body on the door or other equipment that needs to be locked.

[0027] As a technical optimization scheme of the utility model, the shaft hole is formed in the shell 1, the input shaft 2 is rotatably connected in the shaft hole, the lock cylinder 9 is connected in the shell 1, and the lower end of the input shaft 2 is rotatably connected to the lock cylinder 9.

[0028] In this embodiment: the input shaft 2 can rotate in the shell 1, and can cooperate with the lock cylinder 9 to complete the unlocking and locking actions.

[0029] As a technical optimization scheme of the utility model, the key hole is formed in the input shaft 2, the lock cylinder 9 adopts the multi-row marble structure, the height and arrangement mode of the marbles are matched with the tooth shape of the key, and the lock cylinder 9 has the guide groove inside.

[0030] In this embodiment: the lock cylinder 9 is locked by cooperating with the key of the input shaft 2 through the multi-row marble structure, and the guide groove inside the lock cylinder 9 is used to ensure that the marbles can be correctly moved in the unlocking process.

[0031] As a technical optimization scheme of the utility model, the gears in the intermediate transmission component 4 adopt the misaligned installation mode, that is, not on the same plane, but there is a certain offset up and down and front and back, and the side end of the supporting rod 404 is connected to the inner wall of the shell 1.

[0032] In this embodiment: the gears in the intermediate transmission component 4 adopt the misaligned meshing mode, that is, the teeth of the adjacent gears are not directly aligned, but have a certain angular offset, and the misaligned design can increase the complexity and security of unlocking.

[0033] As a technical optimization scheme of the utility model, the input gear 3 is meshed with the first gear 401, the second gear 402 is meshed with the third gear 403, the tooth groove is formed in the upper end of the output rod 5, the output rod 5 is connected with the last gear of the intermediate transmission component 4, and the output rod 5 is meshed with the third gear 403.

[0034] In the embodiment, when the input gear 3 rotates, the first gear 401 can be driven to rotate, so that the second gear 402 and the third gear 403 act on each other, and the third gear 403 rotates and acts on the output rod 5, so that the lock tongue 6 can be moved.

[0035] As a technical optimization scheme of the utility model, the shell 1 is connected with a fixed block 10, the side end of the first spring 7 is connected with the fixed block 10, the side end of the fixed block 10 is connected with a guide rod 11, the both sides of the output rod 5 are provided with a sliding groove, and the output rod 5 is slidingly connected in the guide rod 11.

[0036] In the embodiment, the fixed block 10 is used for fixing the first spring 7, and the guide rod 11 is used for restricting the moving direction of the output rod 5.

[0037] As a technical optimization scheme of the utility model, the side end of the shell 1 is provided with an action plate 12, the action plate 12 and the shell 1 are connected with a second spring 13, the input shaft 2 is located in the action plate 12, and the two are not connected, the side end of the shell 1 is connected with a sensor button 14, and the sensor button 14 is located at the side end of the action plate 12.

[0038] In the embodiment, the action plate 12 is located on the inner wall of the lock shell, when the lock shell is acted on by external force, the action plate 12 is stressed at the moment, so that the second spring 13 can be pressed, and the action plate 12 will act on the sensor button 14, so that the sensor button 14 is triggered.

[0039] As a technical optimization scheme of the utility model, the shell 1 is connected with a battery block 15, the shell 1 is provided with a controller 16, the side end of the controller 16 is connected with an electric push rod 17, the side end of the electric push rod 17 is connected with a clamping block 18, the output rod 5 is provided with a clamping groove 19, the clamping block 18 can be inserted into the clamping groove 19, and the shell 1 is provided with a buzzer 20.

[0040] In the embodiment, the battery block 15 is used for supplying power to the electric equipment in the device, the controller 16 is connected with the sensor button 14, when the sensor button 14 is triggered, the controller 16 can be informed of the information at the moment, and the controller 16 can control the electric push rod 17 and the buzzer 20 to start.

[0041] Working principle: when the correct key is inserted into the key hole of input shaft 2, the lock cylinder 9 will release the locking of input shaft 2, rotate the key, input shaft 2 starts to rotate, power is gradually transmitted through intermediate transmission component 4, due to the gear ratio of the gear of intermediate transmission component 4, the torque is amplified, so that the output rod 5 can strongly push the lock tongue 6 to retract inside the shell 1, so as to realize the unlocking, specifically, the rotation of input shaft 2 will drive the rotation of input gear 3, the rotation of input gear 3 will drive the rotation of first gear 401, the rotation of first gear 401 will drive the rotation of coaxial second gear 402, so that the second gear 402 and the third gear 403 act, the rotation of the third gear 403 will act with the output rod 5, so as to compress the first spring 7, drive the lock tongue 6 to move, so as to complete the unlocking.

[0042] The above is only the preferred embodiment of the present application, and is not used to limit the present application, any modification, equivalent replacement and improvement within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A lock body with a misaligned drive mechanism comprising a housing (1), characterized in that: The outer shell (1) is connected with input shaft (2), the outer end surface of input shaft (2) is connected with input gear (3), the side end of input gear (3) is provided with intermediate transmission component (4), intermediate transmission component (4) is composed of multiple gears of different sizes, including first gear (401), the side end of first gear (401) is connected with second gear (402), the lower end of second gear (402) is provided with third gear (403), the side end of second gear (402) and third gear (403) is provided with support rod (404), the outer shell (1) is provided with output rod (5), the side end of output rod (5) is connected with lock tongue (6), the side end of output rod (5) is connected with spring (7).

2. A lock body having a misaligned drive mechanism according to claim 1, wherein: The outer shell (1) is made of high-strength metal alloy, the upper and lower ends of the outer shell (1) are connected with mounting plate (8), and the mounting hole is formed in the mounting plate (8).

3. A lock body having a misaligned drive mechanism according to claim 1, wherein: The outer shell (1) is provided with shaft hole, input shaft (2) is rotatably connected in the shaft hole, the outer shell (1) is connected with lock core (9), and input shaft (2) is rotatably connected at the lower end of lock core (9).

4. A lock body having a misaligned drive mechanism according to claim 3, wherein: The key hole is formed in the input shaft (2), the lock core (9) adopts the structure of multiple rows of marbles, the height and arrangement of the marbles are matched with the tooth shape of the key, and the lock core (9) has a guide groove.

5. A lock body having a misaligned drive mechanism according to claim 1, wherein: The gears in the intermediate transmission component (4) are installed in a staggered manner, that is, not on the same plane, but with a certain offset up and down and front and back, and the side end of the support rod (404) is connected with the inner wall of the outer shell (1).

6. A lock body having a misaligned drive mechanism according to claim 1, wherein: The input gear (3) is engaged with the first gear (401), the second gear (402) is engaged with the third gear (403), the upper end of the output rod (5) is provided with a gear slot, the output rod (5) is connected with the last gear of the intermediate transmission component (4), and the output rod (5) is engaged with the third gear (403).

7. A lock body having a misaligned drive mechanism according to claim 1, wherein: The outer shell (1) is connected with fixed block (10), the side end of spring (7) is connected with fixed block (10), the side end of fixed block (10) is connected with guide rod (11), and the output rod (5) is slidably connected in the guide rod (11).

8. A lock body having a misaligned drive mechanism according to claim 1, wherein: The side end of the outer shell (1) is provided with action plate (12), the second spring (13) is connected between the action plate (12) and the outer shell (1), the input shaft (2) is located in the action plate (12), and the two are not connected, the outer shell (1) is connected with sensor button (14), and the sensor button (14) is located at the side end of the action plate (12).

9. A lock body having a misaligned drive mechanism according to claim 8, wherein: The outer shell (1) is connected with battery block (15), the outer shell (1) is provided with controller (16), the side end of controller (16) is connected with electric push rod (17), the side end of electric push rod (17) is connected with clamping block (18), the clamping groove (19) is formed in the output rod (5), the clamping block (18) can be inserted into the clamping groove (19), and the outer shell (1) is provided with buzzer (20).

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