CN215803844U - Electronic lock with emergency pull wire - Google Patents
Electronic lock with emergency pull wire Download PDFInfo
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- CN215803844U CN215803844U CN202122155503.4U CN202122155503U CN215803844U CN 215803844 U CN215803844 U CN 215803844U CN 202122155503 U CN202122155503 U CN 202122155503U CN 215803844 U CN215803844 U CN 215803844U
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- pull wire
- electronic lock
- box body
- transmission gear
- emergency
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Abstract
The utility model provides an electronic lock with an emergency pull wire, and relates to the technical field of electronic locks. The method mainly comprises the following steps: the quick unlocking device comprises a cover body, a box body, a driving assembly, a transmission unit, a locking rod and an emergency unlocking assembly, wherein the driving assembly drives the rack to move back and forth through the gear assembly, and the rack moves back and forth to drive the locking rod to extend or contract to realize locking and unlocking functions; the emergency unlocking assembly comprises a pull wire and a clamping piece, wherein the pull wire can pull the clamping piece to move to the end part of the sliding groove and clamp the end part of the sliding groove on the second connecting part to drive the rack to move so as to realize retraction unlocking of the locking rod. According to the electronic lock, the gears and the transmission gear shafts in the gear assembly are reasonably and compactly arranged, so that the space is saved, and the miniaturization of the whole volume can be ensured on the premise of realizing the unlocking function of the electronic lock; the emergency unlocking assembly can realize quick unlocking under an emergency working condition through the structure, and is more humanized and convenient.
Description
Technical Field
The utility model relates to the technical field of electronic locks, in particular to an electronic lock with an emergency pull wire.
Background
At present, an electronic lock is widely applied to daily life of people as a common lock, and generally comprises an electronic driving part and a mechanical transmission part, wherein the electronic driving part drives the mechanical transmission part to realize unlocking and locking functions. The existing electronic lock is complex in structure, and is often large in overall size, and when an internal driving device of a conventional electronic lock breaks down, corresponding auxiliary measures are not needed to achieve emergency unlocking, so that the electronic lock is inconvenient to use.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, it is an object of the present invention to provide an electronic lock with an emergency pull wire, which solves the problems occurring in the background art.
To achieve the above and other related objects, the present invention provides an electronic lock with an emergency cord, comprising:
a cover body and a box body;
a drive assembly mounted in the cartridge body;
the transmission unit is installed in the box body and comprises a gear assembly and a rack, the driving assembly drives the rack to move back and forth through the gear assembly, a first connecting part and a second connecting part are respectively arranged at two ends of the rack, a sliding groove is formed in the second connecting part, and a through hole is formed in the end part of the sliding groove;
the locking rod is connected with the first connecting part and movably penetrates through the box body, and the rack moves back and forth to drive the locking rod to extend out or contract so as to realize locking and unlocking functions;
the emergency unlocking assembly comprises a pull wire and a clamping piece, the clamping piece is installed in the sliding groove and can move in the sliding groove, one end of the pull wire is a handheld end, the pull wire penetrates through the through hole, the other end of the pull wire is connected with the clamping piece, and the pull wire can pull the clamping piece to move to the end portion of the sliding groove and clamp the end portion of the sliding groove on the second connecting portion to drive the rack to move to achieve retraction unlocking of the locking rod.
Optionally, the gear assembly comprises a worm, a first gear, a second gear and a third gear and a first transmission gear shaft, a second transmission gear shaft and a third transmission gear shaft, the drive assembly comprises a drive shaft,
the worm is arranged on the driving shaft, the first gear, the second gear and the third gear are respectively arranged on the first transmission gear shaft, the second transmission gear shaft and the third transmission gear shaft, the first transmission gear shaft, the second transmission gear shaft, the third transmission gear shaft and the box body are in clearance fit,
the driving assembly is horizontally arranged in the box body, the axis of the first transmission gear shaft is perpendicular to the axis of the driving shaft, the axis of the first transmission gear shaft, the axis of the second transmission gear shaft and the axis of the third transmission gear shaft are parallel to each other, and the axis of the locking rod is parallel to the axis of the driving shaft.
Optionally, the worm is engaged with the first gear, the gear on the first transmission gear shaft is engaged with the second gear, the gear on the second transmission gear shaft is engaged with the third gear, and the gear on the third transmission gear shaft is engaged with the rack.
Optionally, the emergency unlocking assembly further comprises a protective casing, and the protective casing is used for accommodating a part of the pull wire exposed outside the box body.
Optionally, a mounting groove is formed in the side wall of the second connecting portion, the mounting groove is of a through groove structure, one end of the mounting groove is communicated with the open end of the sliding groove, the other end of the mounting groove is communicated with the through hole, and the stay wire enters the sliding groove through the mounting groove.
Optionally, an array rib is arranged on the contact surface of the rack and the box body, and the array rib is used for reducing the contact area of the rack and the box body.
Optionally, a sealing ring is arranged at a position where the locking rod movably penetrates through the box body.
Optionally, the box body is further provided with a mounting hole and a positioning pin, and the mounting hole and the positioning pin are used for improving the overall mounting and positioning accuracy of the electronic lock.
Optionally, a circuit board is further arranged inside the box body, and the circuit board is embedded in the box body through an injection molding process.
Optionally, the cover and the box are fixed by laser welding.
As mentioned above, the electronic lock with emergency pull wire of the present invention has at least the following beneficial effects:
the utility model provides an electronic lock with an emergency pull wire, which is driven by the output of a driving assembly to pass through three-stage gear transmission, and the primary gear and rack transmission drives a locking rod to extend and retract so as to realize the locking and unlocking functions of the electronic lock; the gears and the transmission gear shafts in the gear assembly are reasonably and compactly arranged, so that the space is saved, and the miniaturization of the whole volume can be ensured on the premise of realizing the unlocking function of the electronic lock; meanwhile, the emergency unlocking assembly is further arranged, the pull wire is matched with the clamping piece, namely the pull wire pulls the clamping piece to move to the end part of the sliding groove and is clamped on the second connecting part to drive the rack to move so as to realize retraction unlocking of the locking rod, the design structure is reasonable and ingenious, the situation that emergency unlocking cannot be carried out due to the fact that an internal driving device or other transmission parts of the electronic lock are in failure is avoided, rapid unlocking can be realized through the emergency unlocking assembly under the emergency working condition, and the emergency unlocking assembly is more humanized and convenient.
Drawings
Fig. 1 is an exploded view of the overall structure of an electronic lock with an emergency pull wire according to the present invention;
FIG. 2 is a schematic view showing the arrangement of the transmission unit according to the present invention;
FIG. 3 is a front view of the locking lever, the rack and the emergency unlock assembly engaged in accordance with the present invention;
FIG. 4 is an enlarged partial view of FIG. 3 at A;
FIG. 5 is a partial enlarged view of the portion B in FIG. 3;
FIG. 6 is a top plan view of the locking lever, the rack and the emergency unlock assembly of the present invention in cooperation;
FIG. 7 is an enlarged partial schematic view at C of FIG. 6;
FIG. 8 is a schematic view of the position of the seal ring of the present invention;
fig. 9 is a schematic view showing the positions of the mounting holes and the mounting pins in the present invention.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
Please refer to fig. 1 to 9. It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the present disclosure, and are not used for limiting the conditions of the present disclosure, so that the present disclosure is not limited to the technical essence, and any modifications of the structures, changes of the ratios, or adjustments of the sizes, can still fall within the scope of the present disclosure without affecting the function and the achievable purpose of the present disclosure. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
The following examples are for illustrative purposes only. The various embodiments may be combined, and are not limited to what is presented in the following single embodiment.
Referring to fig. 1, 6 and 7, the present invention provides an electronic lock with an emergency pull wire, including: the emergency unlocking device comprises a cover body 1, a box body 2, a driving assembly 3, a transmission unit, a locking rod 5 and an emergency unlocking assembly, wherein the driving assembly 3 is installed in the box body 2; the transmission unit is installed in the box body 2 and comprises a gear assembly and a rack 48, the driving assembly 3 drives the rack 48 to move back and forth through the gear assembly, a first connecting part 481 and a second connecting part 482 are respectively arranged at two ends of the rack 48, a sliding groove 4821 is arranged on the second connecting part 482, and a through hole is arranged at the end part of the sliding groove 4821; the locking rod 5 is connected with the first connecting part 481, the locking rod 5 movably penetrates through the box body 2, and the rack 48 moves back and forth to drive the locking rod 5 to extend or contract to realize locking and unlocking functions; the emergency unlocking assembly comprises a pull wire 61 and a clamping piece 62, wherein the clamping piece 62 is installed in the sliding groove 4821 and can move in the sliding groove 4821, one end of the pull wire 61 is a handheld end, the pull wire 61 penetrates through the through hole, the other end of the pull wire 61 is connected with the clamping piece 62, and the pull wire 61 can pull the clamping piece 62 to move to the end of the sliding groove 4821 and is clamped on the second connecting portion 482 to drive the rack 48 to move so as to achieve retraction unlocking of the locking rod 5.
The driving assembly 3 can use a conventional motor to drive the locking rod 5 to extend and retract so as to realize the locking and unlocking functions of the electronic lock, wherein the driving transmitted by the driving assembly 3 is transmitted by three stages of gears, and the primary gear and rack transmission is transmitted to the locking rod 5 to meet the functions; the gears and the transmission gear shafts in the gear assembly are reasonably and compactly arranged, so that the space is saved, and the miniaturization of the whole volume can be ensured on the premise of realizing the unlocking function of the electronic lock; meanwhile, the emergency unlocking assembly provided by the utility model realizes retraction unlocking of the locking rod 5 by matching the pull wire 61 and the clamping piece 62, namely the pull wire 61 pulls the clamping piece 62 to move to the end part of the sliding groove 4821 and is clamped on the second connecting part 482 to drive the rack 48 to move, the design structure is reasonable and ingenious, the situation that emergency unlocking cannot be realized due to failure of an internal driving device or other transmission parts of the electronic lock is avoided, quick unlocking can be realized through the structure under an emergency working condition, and the emergency unlocking assembly is more humanized and convenient.
In this embodiment, referring to fig. 1 and fig. 2, the gear assembly includes a worm 41, a first gear 42, a second gear 43, a third gear 44, a first transmission gear shaft 45, a second transmission gear shaft 46, and a third transmission gear shaft 47, the driving assembly 3 includes a driving shaft 31, the worm 41 is mounted on the driving shaft 31, and the first gear 42, the second gear 43, and the third gear 44 are respectively mounted on the first transmission gear shaft 45, the second transmission gear shaft 46, and the third transmission gear shaft 47. The driving assembly 3 may be a conventional motor, and the driving shaft 31 may be a motor shaft, wherein the motor may be arranged horizontally in the case 2, the motor shaft may be disposed at the center of the motor, the first transmission gear shaft 45 and the motor shaft may be arranged vertically, the second transmission gear shaft 46 and the third transmission gear shaft 47 may be respectively arranged in parallel with the first transmission gear shaft 45, and the locking rod 5 and the rack 48 may be arranged in parallel with the longitudinal direction of the rack or the motor shaft. Wherein, each transmission gear axle radius is less, with the contact surface of box body 2 is less, and each gear can reduce its noise that sends when high-speed motion, and each transmission gear axle and box body 2 can adopt less clearance fit, and the centre-to-centre spacing between each gear is reliable and stable, has increased the holistic stability and the reliability of electronic lock.
In this embodiment, referring to fig. 2, the worm 41 is engaged with the first gear 42, the gear on the first transmission gear shaft 45 is engaged with the second gear 43, the gear on the second transmission gear shaft 46 is engaged with the third gear 44, and the gear on the third transmission gear shaft 47 is engaged with the rack 48. The electronic lock adopts a four-stage transmission mode, a motor shaft of the motor is connected with the worm 41, the output of the motor shaft is sequentially transmitted to the rack 48 by the worm 41, the gears and the gear shafts, then the rack 48 drives the locking rod 5 to extend or retract, the extending and retracting actions of the locking rod 5 can be realized through the positive and negative rotation of the motor shaft, and finally the locking and unlocking of the electronic lock are realized.
In this embodiment, referring to fig. 1, the emergency unlocking assembly further includes a protective casing 63, and the protective casing 63 is used for accommodating a portion of the pull wire 61 exposed outside the box body 2. The pull wire 61 is exposed outside a large part of the outer part of the box body 2, and may be worn and damaged due to long-time exposed use, so that the protective shell 63 can be arranged to accommodate the pull wire 61, thereby realizing the protection function.
In this embodiment, please refer to fig. 3 and 4, a mounting groove 4822 is disposed on a side wall of the second connecting portion 482, the mounting groove 4822 is a through groove structure, one end of the mounting groove 4822 is communicated with an opening end of the sliding groove 4821, the other end of the mounting groove 4822 is communicated with the through hole, and the pull wire 61 enters the sliding groove 4821 through the mounting groove 4822. In order to solve the problem of the installation of the emergency unlocking component, a mounting groove 4822 may be disposed on the sidewall of the second connecting portion 482, wherein the pull wire 61 may enter from the mounting groove 4822 and one end of the open end of the sliding groove 4821, and then move to the through hole to complete the installation, such a design makes the pull wire 61 easy to install and not easy to disengage in the working process, in addition, the length of the sliding groove 4821 may satisfy a certain idle stroke, the pull wire 61 may not be affected to generate displacement when the driving component 3 works normally, and the design is reasonable.
In this embodiment, referring to fig. 3 and 5, an array rib 21 is disposed on a contact surface of the rack 48 and the box body 2, and the array rib 21 is used for reducing a contact area between the rack 48 and the box body 2. The arrangement of the array ribs 21 greatly reduces the contact area between the rack 48 and the box body 2, so that the noise reduction effect of the electronic lock during working can be better realized.
In this embodiment, referring to fig. 8, a sealing ring 22 is disposed at a position where the locking rod 5 movably penetrates through the box body 2. Locking pole 5 passes the position department of box body 2 can set up sealing washer 22, locking pole 5 can penetrate and pass sealing washer 22, assembly process is simple, and can improve the inside whole sealed effect of electronic lock.
In this embodiment, referring to fig. 9, the box body 2 is further provided with a mounting hole 23 and a positioning pin 24, and the mounting hole 23 and the positioning pin 24 are used for improving the mounting and positioning accuracy of the whole electronic lock. The whole outer surface of the box body 2 can be provided with two mounting holes 23 and two positioning pins 24, the mounting holes 23 can be threaded holes, so that the electronic lock can be accurately positioned in the mounting and assembling process, and the mounting reliability is higher.
In this embodiment, the inside of box body 2 still is equipped with the circuit board, the circuit board adopts injection molding process pre-buried in box body 2.
In this embodiment, the cover 1 and the case 2 are fixed by laser welding. The cover body 1 and the box body 2 ensure the stability of the structure through laser welding, and the overall reliability and the sealing performance of the electronic lock are improved.
In summary, the utility model provides an electronic lock with an emergency pull wire, wherein the electronic lock is driven by the output of a driving assembly and is driven by a three-stage gear transmission, and a first-stage gear and rack transmission drives a locking rod to extend and retract so as to realize the locking and unlocking functions of the electronic lock; the gears and the transmission gear shafts in the gear assembly are reasonably and compactly arranged, so that the space is saved, and the miniaturization of the whole volume can be ensured on the premise of realizing the unlocking function of the electronic lock; meanwhile, the emergency unlocking assembly is further arranged, the pull wire is matched with the clamping piece, namely the pull wire pulls the clamping piece to move to the end part of the sliding groove and is clamped on the second connecting part to drive the rack to move so as to realize retraction unlocking of the locking rod, the design structure is reasonable and ingenious, the situation that emergency unlocking cannot be carried out due to the fact that an internal driving device or other transmission parts of the electronic lock are in failure is avoided, rapid unlocking can be realized through the emergency unlocking assembly under the emergency working condition, and the emergency unlocking assembly is more humanized and convenient. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the utility model. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. An electronic lock with an emergency pull wire, comprising:
a cover body and a box body;
a drive assembly mounted in the cartridge body;
the transmission unit is installed in the box body and comprises a gear assembly and a rack, the driving assembly drives the rack to move back and forth through the gear assembly, a first connecting part and a second connecting part are respectively arranged at two ends of the rack, a sliding groove is formed in the second connecting part, and a through hole is formed in the end part of the sliding groove;
the locking rod is connected with the first connecting part and movably penetrates through the box body, and the rack moves back and forth to drive the locking rod to extend out or contract so as to realize locking and unlocking functions;
the emergency unlocking assembly comprises a pull wire and a clamping piece, the clamping piece is installed in the sliding groove and can move in the sliding groove, one end of the pull wire is a handheld end, the pull wire penetrates through the through hole, the other end of the pull wire is connected with the clamping piece, and the pull wire can pull the clamping piece to move to the end portion of the sliding groove and clamp the end portion of the sliding groove on the second connecting portion to drive the rack to move to achieve retraction unlocking of the locking rod.
2. The electronic lock with the emergency pull wire of claim 1, wherein:
the gear assembly comprises a worm, a first gear, a second gear, a third gear, a first transmission gear shaft, a second transmission gear shaft and a third transmission gear shaft, the driving assembly comprises a driving shaft,
the worm is arranged on the driving shaft, the first gear, the second gear and the third gear are respectively arranged on the first transmission gear shaft, the second transmission gear shaft and the third transmission gear shaft, the first transmission gear shaft, the second transmission gear shaft, the third transmission gear shaft and the box body are in clearance fit,
the driving assembly is horizontally arranged in the box body, the axis of the first transmission gear shaft is perpendicular to the axis of the driving shaft, the axis of the first transmission gear shaft, the axis of the second transmission gear shaft and the axis of the third transmission gear shaft are parallel to each other, and the axis of the locking rod is parallel to the axis of the driving shaft.
3. The electronic lock with the emergency pull wire of claim 2, wherein:
the worm is meshed with the first gear, a gear on the first transmission gear shaft is meshed with the second gear, a gear on the second transmission gear shaft is meshed with the third gear, and a gear on the third transmission gear shaft is meshed with the rack.
4. The electronic lock with the emergency pull wire of claim 1, wherein:
the emergency unlocking assembly further comprises a protective shell barrel, and the protective shell barrel is used for accommodating a part of the pull wire exposed outside the box body.
5. The electronic lock with the emergency pull wire of claim 1, wherein:
the side wall of the second connecting portion is provided with a mounting groove, the mounting groove is of a through groove structure, one end of the mounting groove is communicated with the opening end of the sliding groove, the other end of the mounting groove is communicated with the through hole, and the stay wire enters the sliding groove through the mounting groove.
6. The electronic lock with the emergency pull wire of claim 1, wherein:
the rack with the contact surface of box body is equipped with the array muscle, the array muscle is used for reducing the rack with the area of contact of box body.
7. The electronic lock with the emergency pull wire of claim 1, wherein:
and a sealing ring is arranged at the position where the locking rod movably penetrates through the box body.
8. The electronic lock with the emergency pull wire of claim 1, wherein:
the box body is further provided with a mounting hole and a positioning pin, and the mounting hole and the positioning pin are used for improving the overall mounting and positioning accuracy of the electronic lock.
9. The electronic lock with the emergency pull wire of claim 1, wherein:
the inside of box body still is equipped with the circuit board, the circuit board adopts injection molding process pre-buried in the box body.
10. The electronic lock with the emergency pull wire of claim 1, wherein:
the cover body and the box body are fixed through laser welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122155503.4U CN215803844U (en) | 2021-09-07 | 2021-09-07 | Electronic lock with emergency pull wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122155503.4U CN215803844U (en) | 2021-09-07 | 2021-09-07 | Electronic lock with emergency pull wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215803844U true CN215803844U (en) | 2022-02-11 |
Family
ID=80157188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122155503.4U Active CN215803844U (en) | 2021-09-07 | 2021-09-07 | Electronic lock with emergency pull wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215803844U (en) |
-
2021
- 2021-09-07 CN CN202122155503.4U patent/CN215803844U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220412 Address after: 434000 No. 13, group 6, qunqiang village, zhangtiansi Township, Gongan County, Jingzhou City, Hubei Province Patentee after: Wang Ju Address before: Room 1315, building 291, Qianjin East Road, Kunshan Development Zone, Suzhou, Jiangsu 215300 Patentee before: Jiangsu Kunpeng Automobile Technology Co.,Ltd. |