CN221373225U - Unlocking mechanism of door lock - Google Patents
Unlocking mechanism of door lock Download PDFInfo
- Publication number
- CN221373225U CN221373225U CN202323133830.5U CN202323133830U CN221373225U CN 221373225 U CN221373225 U CN 221373225U CN 202323133830 U CN202323133830 U CN 202323133830U CN 221373225 U CN221373225 U CN 221373225U
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- Prior art keywords
- driving
- block
- door lock
- driving block
- transmission
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- 230000005540 biological transmission Effects 0.000 claims abstract description 92
- 238000003756 stirring Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 abstract description 10
- 238000006073 displacement reaction Methods 0.000 description 14
- 238000010586 diagram Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 210000003781 tooth socket Anatomy 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
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- Lock And Its Accessories (AREA)
Abstract
The utility model provides an unlocking mechanism of a door lock, which comprises a lock cylinder using a mechanical key, a reel, a shell, a transmission block positioned in the shell, a reset spring, a driving block and a driving wheel in transmission fit with the transmission block, wherein one side of the transmission block is provided with a guide surface which is arranged in an inclined plane, one side of the driving block, which faces the transmission block, is provided with a driving surface which is matched with the guide surface, one end of the reset spring is abutted against one end of the transmission block, which faces the guide surface, the other end of the reset spring is abutted against the inner wall of the shell, the driving block is in transmission fit with the reel through a pull rope, the driving wheel is provided with a travel groove towards one end of a poking piece, and the reel is controlled by the pull rope to drive the transmission block to move, so that the transmission block is controlled by the transmission block to rotate, and the door lock poking piece is poked by the lock tongue to unlock the door. The utility model has the advantages of convenient installation, strong stability and high structural strength, and can be unlocked by a mechanical key under the condition of no power supply.
Description
Technical Field
The utility model relates to the technical field of locks, in particular to an unlocking mechanism of a door lock.
Background
The door lock is used for locking the door to prevent other people from unlocking the lockset equipment of the door, the electric door lock is arranged on the door, and the electric door lock can drive the motor to move the hook or the lock tongue according to the signal received by the control circuit so as to realize the effect of unlocking or locking the door.
The door lock driven by the motor sometimes has the conditions of no power supply, motor fault, network fault and the like, so that unlocking cannot be realized, the traditional door lock driven by the mechanical key can overcome the problems of motor driving, the door lock driven by the mechanical key can realize the key by punching all the holes, the holes on the door are inconvenient, and the door lock is troublesome to install.
Disclosure of utility model
Based on the above problems, the present utility model aims to provide an unlocking mechanism which has strong stability and high structural strength and can be unlocked by a mechanical key under the condition that a power supply is not powered.
Aiming at the problems, the following technical scheme is provided: the unlocking mechanism of the door lock comprises a lock cylinder using a mechanical key, a reel, a shell, a transmission block positioned in the shell, a reset spring, a driving block and a driving wheel matched with the transmission block in a transmission way, wherein one side of the transmission block is provided with a guide surface which is arranged in an inclined plane, one side of the driving block, which faces the transmission block, is provided with a driving surface matched with the guide surface, one end of the reset spring is propped against one end of the transmission block, which is opposite to the guide surface, the other end of the reset spring is propped against the inner wall of the shell, the driving block is in transmission fit with the reel through a pull rope, transmission teeth are formed in the outer circumferential wall of the transmission wheel, tooth grooves meshed with the transmission teeth are formed in the transmission block, a mounting opening is formed in one side, facing the tooth grooves, of the shell, a travel groove is formed in one end, facing the stirring piece, of the transmission wheel, the reel controls the driving block to drive the transmission block to move through the pull rope, the transmission block controls the transmission wheel to rotate, and the door lock stirring piece is driven to stir the lock tongue to unlock the door.
In the structure, the utility model is arranged in the door lock, the lock cylinder and the reel are arranged on the two opposite surfaces of the shell, the transmission block, the reset spring, the driving block and the driving wheel opposite to the door plate, the pull rope is arranged through the wiring in the door lock, the pulling piece comprises a fixed column and a pulling tongue arranged in the radial direction opposite to the fixed column, and the driving wheel is sleeved on the fixed column. When a power supply in the door lock is powered off or an emergency door is required to be opened, the mechanical key is inserted into a lock hole of the lock core, the reel is screwed while the lock core is linked, so that the pull rope is wound on the reel, the driving block is pulled by the pull rope to displace towards the displacement direction of the pull rope, the driving block is matched with the driving surface through the guide surface to displace towards the lock tongue, the driving wheel is rotated through the matching of the tooth slot and the driving tooth, the driving wheel pushes the toggle piece to rotate through one end of the travel slot, and the toggle piece drives the lock tongue to move out from the locking notch to reset, so that the door is opened; when a user releases the twisting of the mechanical key, the transmission block resets through the reset spring, the driving block drives the pull rope to reset through the matching of the driving surface and the guide surface, the reel drives the lock cylinder to reversely rotate and reset, the reset of the transmission block drives the driving wheel to reversely rotate and reset, one end of the stroke groove, which is propped against the poking tongue of the poking piece, is far away from the poking tongue, the other end of the stroke groove is close to the poking tongue and is propped against or arranged at intervals, so that after the next power supply is supplied, the poking piece is driven by the motor to rotate to control the locking tongue to be inserted into the locking opening for locking, the poking piece can have a reset space relative to the stroke groove after the mechanical key is unlocked, and therefore, after the driving wheel resets, the driving wheel is not driven by the motor to rotate, and the reliability of the utility model is improved. The stay rope is arranged for transmission, so that the situation that holes are required to be punched in the door when the lock cylinder is installed can be avoided, and the convenience and reliability of installation of the lock cylinder are improved. The transmission parts of the unlocking mechanism can be integrated together through the shell, so that the unlocking mechanism can be conveniently installed, the assembly efficiency of the unlocking mechanism is improved, and the overall structural strength of the unlocking mechanism can be improved.
The utility model is further characterized in that the transmission block is provided with a limiting groove on the same side as the guide surface, and the driving block is provided with a limiting block matched with the limiting groove on the same side as the driving surface.
In the structure, the stability of displacement between the driving block and the transmission block can be improved through the cooperation of the limiting block and the limiting groove, so that the reliability of the utility model is improved.
The utility model is further characterized in that a wire through hole is formed in one side of the shell, and a fixing hole coaxial with the wire through hole is formed in the driving block.
In the structure, the pull rope passes through the shell through the wire passing hole and is fixedly connected with the fixing hole on the driving block after passing through the limit groove, so that the pull rope can be conveniently installed and fixed, and the end part of the pull rope can be conveniently fixed at the center of the driving block, thereby the displacement of the driving block is more stable when the pull rope pulls the driving block, and the reliability of the utility model is improved.
The utility model is further arranged that a positioning groove is formed in one side, opposite to the tooth groove, of the transmission block, and a positioning edge matched with the positioning groove is arranged in the shell.
In the structure, the stability of the transmission block relative to the displacement of the shell can be improved by matching the positioning edges with the positioning grooves, so that the reliability of the utility model is improved.
The utility model is further arranged that the transmission block comprises a transmission part matched with the transmission wheel and a driving part matched with the driving block, the tooth slot is arranged on the transmission part, the driving surface is positioned on the driving part, the reset spring is abutted on the driving part, and the mounting opening is provided with a limiting slideway abutted with the driving part.
In the structure, the mounting opening is arranged to facilitate the mounting of the transmission block, the driving block and the reset spring, and the stability of the transmission block during displacement can be further improved by matching the transmission part with the limiting slideway, so that the reliability of the utility model is improved.
The utility model is further characterized in that a locating hole for installing the reset spring is formed in one side of the driving part, opposite to the limiting groove.
In the structure, the positioning holes are arranged to facilitate positioning and mounting of the return spring, and the stability of the return spring can be improved, so that the reliability of the utility model is improved.
The utility model is further characterized in that a bump is arranged on one side of the transmission block in an outward protruding way, and a chute matched with the bump is arranged on the side wall of the shell.
In the structure, when the transmission block is displaced, the convex blocks are driven to displace relative to the sliding grooves, so that the displacement stability of the transmission block is improved, the positioning and the installation of the transmission block can be facilitated, the transmission block is prevented from being separated from the installation opening during displacement, and the reliability of the utility model is improved.
The utility model is further characterized in that two sides or one side of the driving block, which is opposite to the driving surface, are provided with limit sliding blocks, and the shell is provided with guide grooves which are matched with the limit sliding blocks.
In the structure, the stability of the driving block in displacement can be improved through the cooperation of the limit sliding block and the guide groove, so that the reliability of the utility model is improved.
The utility model is further provided with a baffle plate connected with the shell at the position of the mounting opening corresponding to the driving block.
In the structure, the baffle plate is arranged to facilitate the driving block, the transmission block and the reset spring to limit the driving block after being arranged in the shell through the mounting opening, so that the stability of the driving block is improved, and the reliability of the utility model is improved.
The utility model further provides that the side of the driving block facing the wiring hole is provided with a wiring pipe column coaxial with the fixing hole.
By adopting the structure, the connection strength between the pull rope and the driving block can be improved, so that the reliability of the utility model is improved.
Drawings
Fig. 1 is a schematic view of the structure of the door lock according to the present utility model.
Fig. 2 is a schematic diagram showing a second structure of the present utility model installed in a door lock.
Fig. 3 is a schematic view of the door lock according to the third embodiment of the present utility model.
Fig. 4 is a schematic structural diagram of the present utility model.
Fig. 5 is a schematic diagram of a second embodiment of the present utility model.
Fig. 6 is a schematic diagram of a split structure of the present utility model.
Fig. 7 is a schematic structural diagram of the driving block, the transmission block and the housing in the present utility model.
Fig. 8 is a schematic cross-sectional view of the drive block, the transmission block and the housing of the present utility model.
Fig. 9 is a schematic structural view of a housing according to the present utility model.
The meaning of the reference numerals in the figures: 3-a lock cylinder; 31-reel; 4-a lock tongue; 51-a toggle member; 52-an electric motor; 61-a housing; 62-a transmission block; 63-a return spring; 64-a drive block; 65-a driving wheel; 621-a guide surface; 641-drive surfaces; 511-fixing the column; 512-pulling tongue; 651-drive teeth; 621-tooth grooves; 611-mounting port; 652—a travel slot; 622-limit groove; 642-limiting block; 612—via hole; 643-fixing holes; 623-a detent; 613-positioning edges; 624-a transmission part; 625-a driving part; 614-limit slide way; 626-bump; 627-positioning holes; 615-chute; 644-limit slide block; 616—guide slots; 8-baffle plates; 9-pulling ropes; 645-wiring string.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
It should be noted that all directional indicators (such as up, down, left, right, front, back, … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular gesture (as shown in the drawings), and if the particular gesture changes, the directional indicators correspondingly change.
The unlocking mechanism of the door lock shown in fig. 1 to 9 comprises a lock cylinder 3 using a mechanical key, a reel 31, a shell 61, a transmission block 62 positioned in the shell 61, a return spring 63, a driving block 64 and a transmission wheel 65 in transmission fit with the transmission block 62, wherein one side of the transmission block 62 is provided with a guide surface 621 which is in inclined plane arrangement, one side of the driving block 64 facing the transmission block 62 is provided with a driving surface 641 matched with the guide surface 621, one end of the return spring 63 is abutted against one end of the transmission block 62 opposite to the guide surface 621, the other end of the return spring 63 is abutted against the inner wall of the shell 61, the driving block 64 is in transmission fit with the reel 31 through a pull rope 9, a transmission tooth 651 is arranged on the outer circumferential wall of the transmission block 65, a tooth socket 621 meshed with the transmission tooth 651 is arranged on the transmission block 62, one side of the shell 61 facing the tooth socket 621 is provided with a mounting hole 611, one end of the transmission wheel 65 facing the stirring piece 51 is provided with a travel groove 652, and the reel 31 controls the driving block 62 through the pull rope 9 to control the transmission block 62 to drive the stirring piece 51 to rotate, so that the door lock is unlocked.
In the above structure, the utility model is installed in the door lock, the lock cylinder 3 and the reel 31 are installed on the two opposite surfaces of the shell 61, the transmission block 62, the reset spring 63, the driving block 64 and the driving wheel 65 opposite to the door panel, the pull rope 9 is arranged through the wiring in the door lock, the pulling piece 51 comprises a fixed column 511 and a pulling tongue 512 arranged opposite to the fixed column 511 in the radial direction, and the driving wheel 65 is sleeved on the fixed column 511. When the power supply in the door lock is powered off or emergency door opening is needed, the mechanical key is inserted into a lock hole of the lock cylinder 3, the reel 31 is linked while the lock cylinder 3 is screwed, the pull rope 9 is wound on the reel 31, the driving block 64 is pulled by the pull rope 9 to displace towards the displacement direction of the pull rope 9, the driving block 62 is matched with the driving surface 641 through the guiding surface 621 and displaces towards the lock tongue 4, the driving wheel 65 is rotated by the matching of the tooth groove 621 and the driving tooth 651, the driving wheel 65 pushes the poking piece 51 to rotate through one end of the travel groove 652, and the poking piece 51 drives the lock tongue 4 to move out from the lock opening for resetting, so that door opening is realized; when a user releases the twisting of the mechanical key, the transmission block 62 resets through the reset spring 63, the driving block 64 drives the pull rope 9 to reset through the cooperation of the driving surface 641 and the guide surface 621, the reel 31 drives the lock cylinder 3 to reversely rotate and reset, the reset of the transmission block 62 drives the driving wheel 65 to reversely rotate and reset, one end of the stroke groove 652, which is propped against the poking tongue 512 of the poking piece 51, is far away from the poking tongue 512, the other end of the stroke groove 652 is close to the poking tongue 512 and is arranged in a propping way or at intervals, so that when the next power supply is supplied, the motor 52 drives the poking piece 51 to rotate to control the lock tongue 4 to be inserted into the locking opening for locking, the poking piece 51 can have a reset space relative to the stroke groove 652 after the mechanical key is unlocked, and therefore, the motor 52 can not drive the driving wheel 65 to rotate when the poking piece 51 is controlled to be reset, and the reliability of the utility model is improved. The stay rope 9 is arranged for transmission, so that the need of punching holes on a door during the installation of the lock cylinder 3 can be avoided, and the installation convenience and reliability of the utility model are improved. The transmission parts of the unlocking mechanism can be integrated together through the shell 61, so that the unlocking mechanism can be conveniently installed, the assembly efficiency of the unlocking mechanism is improved, and the overall structural strength of the unlocking mechanism can be improved.
In this embodiment, the driving block 62 is provided with a limiting groove 622 on the same side as the guiding surface 621, and the driving block 64 is provided with a limiting block 642 on the same side as the driving surface 641 and adapted to the limiting groove 622.
In the above structure, the stability of the displacement between the driving block 64 and the transmission block 62 can be improved by the cooperation of the limiting block 642 and the limiting groove 622, thereby improving the reliability of the present utility model.
In this embodiment, a wire through hole 612 is formed on one side of the housing 61, and a fixing hole 643 coaxial with the wire through hole 612 is formed on the driving block 64.
In the above structure, the pull rope 9 passes through the casing 61 through the wire passing hole 612, and is fixedly connected with the fixing hole 643 on the driving block 64 after passing through the limit groove 622, so that the pull rope 9 can be conveniently installed and fixed, and the end part of the pull rope 9 can be conveniently fixed at the center of the driving block 64, so that when the pull rope 9 pulls the driving block 64, the displacement of the driving block 64 is more stable, and the reliability of the utility model is improved.
In this embodiment, a positioning groove 623 is formed on a side of the transmission block 62 opposite to the tooth slot 621, and a positioning rib 613 adapted to the positioning groove 623 is formed in the housing 61.
In the above structure, the positioning ribs 613 and the positioning grooves 623 are matched, so that the stability of the transmission block 62 when being displaced relative to the housing 61 can be improved, and the reliability of the utility model can be improved.
In this embodiment, the transmission block 62 includes a transmission portion 624 that is matched with the transmission wheel 65 and a driving portion 625 that is matched with the driving block 64, the tooth slot 621 is formed on the transmission portion 624, the driving surface 641 is located on the driving portion 625, the return spring 63 abuts against the driving portion 625, and the mounting hole 611 is formed with a limit slide 614 that abuts against the driving portion 625.
In the above structure, the installation of the transmission block 62, the driving block 64 and the return spring 63 can be facilitated by providing the installation opening 611, and the stability of the transmission block 62 during displacement can be further improved by the cooperation of the transmission portion 624 and the limit slide 614, so that the reliability of the present utility model is improved.
In this embodiment, a positioning hole 627 for mounting the return spring 63 is formed on a side of the driving portion 625 opposite to the limit groove 622.
In the above structure, the positioning hole 627 is provided to facilitate the positioning and mounting of the return spring 63, and to improve the stability of the return spring 63, thereby improving the reliability of the present utility model.
In this embodiment, a protrusion 626 is provided on one side of the transmission block 62, and a chute 615 matching with the protrusion 626 is provided on the side wall of the housing 61.
In the above structure, when the transmission block 62 is displaced, the protrusion 626 is driven to displace relative to the chute 615, so that the displacement stability of the transmission block 62 is improved, the positioning and the installation of the transmission block 62 can be facilitated, the transmission block 62 is prevented from being separated from the installation opening 611 when being displaced, and the reliability of the utility model is improved.
In this embodiment, two sides or one side of the driving block 64 opposite to the driving surface 641 is provided with a limiting slider 644, and the housing 61 is provided with a guiding slot 616 adapted to the limiting slider 644.
In the above structure, the stability of the driving block 64 during displacement can be improved by matching the limit slider 644 with the guide groove 616, thereby improving the reliability of the present utility model.
In this embodiment, the mounting hole 611 is provided with a baffle 8 connected to the housing 61 at a position corresponding to the driving block 64.
In the above structure, the baffle 8 is provided to facilitate the mounting of the driving block 64, the transmission block 62 and the return spring 63 in the housing 61 through the mounting hole 611, and then limit the driving block 64, thereby improving the stability of the driving block 64 and the reliability of the present utility model.
In this embodiment, a wire connection pipe column 645 coaxial with the fixing hole 643 is disposed on a side of the driving block 64 facing the wire connection hole.
With the above structure, the connection strength between the pull rope 9 and the driving block 64 can be improved, thereby improving the reliability of the present utility model.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (10)
1. An unlocking mechanism of a door lock, comprising a lock cylinder using a mechanical key and a reel, wherein the reel is linked with the lock cylinder, and the unlocking mechanism is characterized in that: the door lock driving device comprises a shell, a driving block, a reset spring, a driving block and a driving wheel which is matched with the driving block in a driving way, wherein one side of the driving block is provided with a guide surface which is arranged in an inclined plane, one side of the driving block, which faces the driving block, is provided with a driving surface which is matched with the guide surface, one end of the reset spring is propped against one end of the driving block, which faces the guide surface, the other end of the reset spring is propped against the inner wall of the shell, the driving block is matched with a reel in a driving way through a pull rope, driving teeth are arranged on the outer circumferential wall of the driving wheel, tooth grooves which are meshed with the driving teeth are arranged on the driving block, one side of the shell, which faces the tooth grooves, is provided with a travel groove, and the reel drives the driving block to move through the pull rope, so that the driving block controls the driving wheel to rotate, and the door lock driving piece is driven to stir the locking tongue to unlock the door.
2. The door lock unlocking mechanism according to claim 1, wherein: limiting grooves are formed in the driving block, located on the same side of the guide surface, and limiting blocks matched with the limiting grooves are arranged on the driving block, located on the same side of the driving surface.
3. The door lock unlocking mechanism according to claim 2, wherein: the wire passing hole is formed in one side of the shell, and the fixing hole coaxial with the wire passing hole is formed in the driving block.
4. The door lock unlocking mechanism according to claim 1, wherein: the transmission block is provided with a positioning groove on one side opposite to the tooth groove, and a positioning edge matched with the positioning groove is arranged in the shell.
5. The door lock unlocking mechanism according to claim 2, wherein: the transmission block comprises a transmission part matched with the transmission wheel and a driving part matched with the driving block, the tooth slot is formed in the transmission part, the driving surface is positioned on the driving part, the reset spring is abutted to the driving part, and the mounting opening is provided with a limiting slideway abutted to the driving part.
6. The door lock unlocking mechanism according to claim 5, wherein: one side of the driving part, which is opposite to the limiting groove, is provided with a positioning hole for installing a reset spring.
7. The door lock unlocking mechanism according to claim 1, wherein: the transmission block is provided with a lug protruding outwards from one side, and a chute matched with the lug is formed in the side wall of the shell.
8. The door lock unlocking mechanism according to claim 1, wherein: and the two sides or one side of the driving block opposite to the driving surface are provided with limit sliding blocks, and the shell is provided with guide grooves matched with the limit sliding blocks.
9. The door lock unlocking mechanism according to claim 8, wherein: and a baffle plate connected with the shell is arranged at the position of the mounting opening corresponding to the driving block.
10. A door lock unlocking mechanism according to claim 3, wherein: and one side of the driving block, facing the wiring hole, is provided with a wiring pipe column coaxial with the fixing hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323133830.5U CN221373225U (en) | 2023-11-18 | 2023-11-18 | Unlocking mechanism of door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323133830.5U CN221373225U (en) | 2023-11-18 | 2023-11-18 | Unlocking mechanism of door lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221373225U true CN221373225U (en) | 2024-07-19 |
Family
ID=91863135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323133830.5U Active CN221373225U (en) | 2023-11-18 | 2023-11-18 | Unlocking mechanism of door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221373225U (en) |
-
2023
- 2023-11-18 CN CN202323133830.5U patent/CN221373225U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |