CN212614151U - Door lock transmission device - Google Patents
Door lock transmission device Download PDFInfo
- Publication number
- CN212614151U CN212614151U CN202020603754.7U CN202020603754U CN212614151U CN 212614151 U CN212614151 U CN 212614151U CN 202020603754 U CN202020603754 U CN 202020603754U CN 212614151 U CN212614151 U CN 212614151U
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- gear
- safety
- door lock
- transmission
- output gear
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Abstract
The utility model discloses a door lock transmission, it includes the casing, and locates in the casing: the gear box comprises a safety gear component and a transmission gear set, and the safety gear is meshed with the transmission gear set; the swing rod is meshed with the safety gear; and the spring bolt assembly comprises a spring bolt and a connecting plate, the connecting plate is connected with the spring bolt, a notch suitable for inserting the swing rod is formed in the connecting plate, and the swing rod swings and drives the spring bolt to move between an opening position and a closing position. The embodiment of the utility model provides an among the technical scheme, owing to be provided with the gear box that has the separation and reunion unit to and with spring bolt complex pendulum rod, consequently for prior art, the utility model discloses a lock transmission, simple structure, the dependable performance, the price/performance ratio does, drives profile of tooth pendulum rod through designing a gear box subassembly and unblanks, applicable appearance lock body to the difference, and the commonality is better.
Description
Technical Field
The utility model relates to a lock technical field especially relates to a door lock transmission.
Background
The fingerprint lock for glass door is one kind of safety lock produced through precise combination of electronic part and mechanical part. The most essential of the fingerprint lock for the glass door is three aspects of safety, convenience and fashion. The existing fingerprint lock product in the market has the disadvantages of complex transmission structure, more parts, easy failure and higher production cost. Therefore, the need of developing a transmission structure of fingerprint lock with simple structure and reliable performance is needed.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the embodiment of the utility model provides a door lock transmission, it includes the casing, and locates in the casing:
the gear box comprises a safety gear component and a transmission gear set, and the safety gear is meshed with the transmission gear set;
the swing rod is meshed with the safety gear;
and the spring bolt assembly comprises a spring bolt and a connecting plate, the connecting plate is connected with the spring bolt, a notch suitable for inserting the swing rod is formed in the connecting plate, and the swing rod swings and drives the spring bolt to move between an opening position and a closing position.
Further, the swing lever includes a tooth portion engaged with the safety tooth and a lever portion adapted to be inserted into the notch.
Further, still including locating the spring bolt with the direction subassembly between the casing, the direction subassembly is including locating spout on the connecting plate, and locate the uide pin in the casing, the uide pin with spout sliding fit.
Further, the gearbox includes:
the gearbox shell comprises an upper shell and a lower shell which are mutually covered;
the motor is arranged on the upper shell and comprises a motor shaft, and a motor gear is arranged on the motor shaft;
the safety gear assembly comprises a safety gear, an output gear and a clutch unit, the safety gear and the output gear are coaxially arranged, the clutch unit is arranged between the safety gear and the output gear, and the clutch unit interrupts force transmission between the safety gear and the output gear when the stress of the safety gear is larger than a preset threshold value;
and the transmission gear set is in transmission connection with the motor gear and the output gear.
Further, the clutch unit comprises a spring and a wavy profile which is arranged at opposite shaft ends of the safety tooth and the output gear, and the spring applies biasing force to the safety tooth to enable the wavy profiles of the safety tooth and the output gear to be attached to each other.
Further, when the safety tooth is subjected to a force greater than the pressure of the spring, the safety tooth is separated from the wave profile of the output gear.
Further, the safety gear assembly further comprises a central shaft, the safety gear, the output gear and the spring are all sleeved on the central shaft, and the central shaft is rotatably connected with the upper shell and the lower shell.
Furthermore, the transmission gear set comprises a primary transmission gear and a secondary transmission gear which are coaxially arranged, the primary transmission gear is meshed with the motor gear, and the secondary transmission gear is meshed with the output gear.
Further, the upper shell and the lower shell are fixedly connected through screws, and the gear box is fixed in the shells.
Further, the door lock is a fingerprint lock.
The embodiment of the utility model provides an among the technical scheme, owing to be provided with the gear box that has the separation and reunion unit to and with spring bolt complex pendulum rod, consequently for prior art, the utility model discloses a lock transmission, simple structure, the dependable performance, the price/performance ratio does, drives profile of tooth pendulum rod through designing a gear box subassembly and unblanks, applicable appearance lock body to the difference, and the commonality is better.
Drawings
FIG. 1 is a top view of an embodiment of the present invention with the upper cover removed;
fig. 2 is an exploded view of a door lock according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of the gear box of the present invention;
FIG. 4 is an exploded schematic view of the gearbox shown in FIG. 3;
fig. 5 is an exploded view of the safety gear assembly of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-2, in an embodiment of the present invention, a door lock transmission device 1, specifically a door lock transmission device of a fingerprint lock for a glass door, includes a housing 2, and a gear box 3, a swing rod 4 and a bolt assembly 5 disposed in the housing 2.
As shown in fig. 3 and 4, the gear box 3 includes a gear box housing 6, a motor 7, a safety gear set, and a drive gear set.
Wherein the gear box housing 3 comprises an upper housing 61 and a lower housing 62 which are mutually covered; the motor 7 is arranged on the upper shell 61, the motor 7 comprises a motor shaft 71, and a motor gear 72 is arranged on the motor shaft. Wherein the upper casing 61 and the lower casing 62 are fixedly connected by screws 63, and the gear box 3 is fixed in the casing 2.
As shown in fig. 5, the safety gear assembly includes a safety gear 8, an output gear 9, a clutch unit 10 and a central shaft 11, wherein the safety gear 8 and the output gear 9 are coaxially arranged, the clutch unit is arranged between the safety gear 8 and the output gear 9, and the clutch unit interrupts the force transmission between the safety gear 8 and the output gear 9 when the force applied to the safety gear 8 is greater than a predetermined threshold value.
As shown in fig. 4, the transmission gear set is in transmission connection with the motor gear 72 and the output gear 9, the transmission gear set includes a primary transmission gear 12 and a secondary transmission gear 13 which are coaxially arranged, the primary transmission gear 12 is engaged with the motor gear 72, and the secondary transmission gear 13 is engaged with the output gear 9.
As shown in fig. 5, the clutch unit includes a spring 14 and a wavy surface 15 disposed at opposite axial ends of the safety gear 8 and the output gear 9, and the spring 14 applies a biasing force to the safety gear 8 to make the wavy surfaces between the safety gear 8 and the output gear 9 mutually fit with each other, i.e. engage with each other, so that the safety gear 8 can transmit a torsion force to the output gear 9 through the matched wavy surface.
The safety gear 8, the output gear 9 and the spring 14 are all sleeved on the central shaft 11, and the central shaft 11 is rotatably connected with the upper shell 61 and the lower shell 62. One end of the spring 14 is pressed against the end plane of the central shaft 11, and the other end is pressed against the axial end face of the safety tooth 8.
When the safety tooth 8 is stressed more than the pressure of the spring 14, the safety tooth 8 overcomes the pressure of the spring 14 and generates axial deflection, so that the safety tooth 8 and the wave-shaped surface of the output gear 9 mutually rotate and are separated, and at the moment, the torque transmission between the safety tooth 8 and the output gear 9 is interrupted.
The latch bolt assembly 5 comprises a latch bolt 51 and a connecting plate 52, the connecting plate 52 is connected with or integrally formed with the latch bolt 51, a notch 53 suitable for inserting the swing rod 4 is formed in the connecting plate 52, the swing rod 4 swings and drives the latch bolt 51 to move between an open position and a closed position, wherein as shown in fig. 1, the position where the latch bolt 51 extends out of the housing 2 is the closed position, and the position where the latch bolt 51 retracts into the housing 2 is the open position.
Wherein the swing rod 4 is meshed with the safety gear 8; specifically, the swing link 4 includes a tooth portion 41 and a rod portion 42, the tooth portion 41 is engaged with the safety tooth 8, and the rod portion 42 is adapted to be inserted into the notch 53 for driving the notch to reciprocate so as to drive the latch to open or close.
The locking bolt mechanism further comprises a guide assembly arranged between the locking bolt 51 and the shell 2, the guide assembly comprises a sliding groove 55 arranged on the connecting plate 52 and a guide pin 54 arranged in the shell 2, and the guide pin 54 is in sliding fit with the sliding groove 55, so that the locking bolt 51 is guided to linearly reciprocate.
The fingerprint lock also comprises a controller, and after the fingerprint identification is successfully input, the motor receives a control instruction sent by the controller to rotate, so that the motor gear, the transmission gear set and the safety gear set are sequentially driven to move in combination with the swing rod, the swing rod finally drives the lock tongue to move to the open position, and the door lock is opened; in the process of closing the door lock, the controller controls the motor to rotate reversely, and on the contrary, the swing rod finally drives the bolt to move to the closing position, so that the door lock is closed. When the transmitted force is greater than the pressure value of a spring in the safety gear component, the safety gear 8 and the output gear 9 are separated in a rotating mode along a wave profile, at the moment, the safety gear is separated from the output gear to form a slipping state, and other parts of the gear box are protected from being damaged.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. The utility model provides a door lock transmission which characterized in that, includes the casing, and locates in the casing:
the gearbox comprises a safety tooth assembly and a transmission gear set, wherein the safety tooth assembly comprises safety teeth meshed with the transmission gear set;
the swing rod is meshed with the safety gear;
and the spring bolt assembly comprises a spring bolt and a connecting plate, the connecting plate is connected with the spring bolt, a notch suitable for inserting the swing rod is formed in the connecting plate, and the swing rod swings and drives the spring bolt to move between an opening position and a closing position.
2. The door lock actuator according to claim 1, wherein the swing link includes a tooth portion engaged with the safety tooth and a lever portion adapted to be inserted into the notch.
3. The door lock actuator of claim 2, further comprising a guide assembly disposed between the bolt and the housing, the guide assembly including a slot disposed on the connecting plate and a guide pin disposed within the housing, the guide pin being in sliding engagement with the slot.
4. The door lock actuator of claim 1, wherein the gear box comprises:
the gearbox shell comprises an upper shell and a lower shell which are mutually covered;
the motor is arranged on the upper shell and comprises a motor shaft, and a motor gear is arranged on the motor shaft;
the safety gear assembly comprises the safety gear, an output gear and a clutch unit, the safety gear and the output gear are coaxially arranged, the clutch unit is arranged between the safety gear and the output gear, and the clutch unit interrupts force transmission between the safety gear and the output gear when the stress of the safety gear is greater than a preset threshold value;
and the transmission gear set is in transmission connection with the motor gear and the output gear.
5. The door lock actuator according to claim 4, wherein the clutch unit includes a spring and a wave-shaped surface provided at opposite axial ends of the safety gear and the output gear, the spring biasing the safety gear to cause the wave-shaped surfaces of the safety gear and the output gear to engage with each other.
6. The door lock actuator according to claim 5, wherein the safety tooth is disengaged from the wavy profile of the output gear when the safety tooth is subjected to a force greater than the pressure of the spring.
7. The door lock actuator according to claim 5, wherein the safety gear assembly further comprises a central shaft, the safety gear, the output gear and the spring are all sleeved on the central shaft, and the central shaft is rotatably connected with the upper housing and the lower housing.
8. The door lock transmission device according to claim 4, wherein the transmission gear set includes a primary transmission gear and a secondary transmission gear which are coaxially disposed, the primary transmission gear is engaged with the motor gear, and the secondary transmission gear is engaged with the output gear.
9. The door lock actuator according to claim 4, wherein the upper housing and the lower housing are fixedly connected by a screw, and the gear case is fixed in the housing.
10. The door lock actuator according to any one of claims 1 to 9, wherein the door lock is a fingerprint lock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020603754.7U CN212614151U (en) | 2020-04-21 | 2020-04-21 | Door lock transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020603754.7U CN212614151U (en) | 2020-04-21 | 2020-04-21 | Door lock transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212614151U true CN212614151U (en) | 2021-02-26 |
Family
ID=74702740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020603754.7U Active CN212614151U (en) | 2020-04-21 | 2020-04-21 | Door lock transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212614151U (en) |
-
2020
- 2020-04-21 CN CN202020603754.7U patent/CN212614151U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |