CN218759292U - Safety door lock - Google Patents
Safety door lock Download PDFInfo
- Publication number
- CN218759292U CN218759292U CN202222612596.3U CN202222612596U CN218759292U CN 218759292 U CN218759292 U CN 218759292U CN 202222612596 U CN202222612596 U CN 202222612596U CN 218759292 U CN218759292 U CN 218759292U
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- 230000007246 mechanism Effects 0.000 abstract description 5
- 239000002131 composite material Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model discloses a safety door lock, including jam plate and trigger knock pin, install components of a whole that can function independently axle and motor mount pad on the jam plate, install fork assembly on the components of a whole that can function independently axle, install step motor on the motor mount pad, step motor drives fork assembly through straight bevel composite gear; an upper lock pin seat and an upper lock block are arranged in the lock plate, a door pin is arranged at the bottom of the upper lock pin seat, a second spring is arranged between the top end of the door pin and the upper lock pin seat, a safety door pin core is arranged in the door pin, a first spring is arranged between the top end of the safety door pin core and the door pin, and a sliding pin is arranged on one side of the door pin, which is positioned on the upper lock block; the locking plate is arranged above the upper locking pin seat and is provided with a micro switch touch plate and a micro switch. The utility model discloses, settle a safety protection round pin axle again in its lock core department, the cost-push is not big, nevertheless owing to there is special safety mechanism, the lock is to user's security and reliability very increase.
Description
Technical Field
The utility model relates to a relevant technical field of elevator lock specifically is a safety door lock.
Background
Although the existing elevator door lock in China has many styles, the basic action of locking is basically completed by one drive in the locking process. However, if an unexpected accident occurs during the process from the driving to the locking, the property and even the personnel are inevitably lost (hurt). As a growing industry, home elevators are urgently needed to satisfy the pursuit of users for safety in their application. At present, in part of countries, effective security precaution against this process has been widely paid attention to and undertaken, and the investment in technical development in this respect will be increased more and more.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a safety door lock to solve the problem among the prior art.
In order to achieve the above object, the utility model provides a following technical scheme: a safety door lock comprises a lock plate and a trigger top pin, wherein a split shaft and a motor mounting seat are mounted on the lock plate, a shifting fork assembly is mounted on the split shaft, a stepping motor is mounted on the motor mounting seat, and the stepping motor drives the shifting fork assembly through a straight bevel combined gear;
an upper lock pin seat and an upper lock block are arranged in the lock plate, a door pin is arranged at the bottom of the upper lock pin seat, a second spring is arranged between the top end of the door pin and the upper lock pin seat, a safety door pin core is arranged in the door pin, a first spring is arranged between the top end of the safety door pin core and the door pin, and a sliding pin is arranged on one side of the door pin, which is positioned on the upper lock block;
the locking plate is arranged above the upper locking pin seat and is provided with a micro switch touch plate and a micro switch.
Preferably, the output shaft of the stepping motor is provided with a driving gear engaged with the straight bevel combined gear.
Preferably, the straight bevel combined gear comprises a gear disc and a bevel gear, the gear disc and the bevel gear are of an integrated structure, and the driving gear is meshed with the gear disc.
Preferably, the shifting fork assembly comprises a semicircular gear, a first shifting fork and a second shifting fork, the first shifting fork is installed on the semicircular gear, and the second shifting fork is installed on the first shifting fork.
Preferably, a cover plate is installed on one side of the lock plate, and the lock plate is connected with the cover plate through a bolt.
Compared with the prior art, the beneficial effects of the utility model are that: on the basis of the bolt type door lock in the existing market, a safety protection pin shaft is arranged at the position of a lock cylinder, so that the cost is not greatly increased, but the safety and the reliability of the door lock for a user are greatly increased due to the special safety mechanism.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a front view of the present invention;
fig. 3 is a cross-sectional view of the present invention;
fig. 4 is a schematic view of the internal structure of the present invention.
In the figure: 1. a fork assembly; 2. a locking plate; 3. a split shaft; 4. a door pin; 5. a safety door pin core; 6. a locking pin base; 7. a stepping motor; 8. a microswitch touch plate; 9. a microswitch; 10. a straight bevel combination gear; 11. locking the top block; 12. a slide pin; 13. a first spring; 14. a second spring; 15. triggering the ejector pin; 16. a cover plate; 17. a motor mounting seat.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, in an embodiment of the present invention, a safety door lock includes a lock plate 2 and a trigger top pin 15, a split shaft 3 and a motor mounting seat 17 are installed on the lock plate 2, a fork assembly 1 is installed on the split shaft 3, a step motor 7 is installed on the motor mounting seat 17, and the step motor 7 drives the fork assembly 1 through a straight bevel combined gear 10; an upper locking pin seat 6 and an upper locking block 11 are arranged in the lock plate 2, a door pin 4 is arranged at the bottom of the upper locking pin seat 6, a second spring 14 is arranged between the top end of the door pin 4 and the upper locking pin seat 6, a safety door pin core 5 is arranged in the door pin 4, a first spring 13 is arranged between the top end of the safety door pin core 5 and the door pin 4, and a sliding pin 12 is arranged on one side, located on the upper locking block 11, of the door pin 4; a microswitch touch plate 8 and a microswitch 9 are arranged above the upper locking pin seat 6 of the locking plate 2; a driving gear meshed with the straight bevel combined gear 10 is mounted on an output shaft of the stepping motor 7; the straight bevel combined gear 10 consists of a gear disc and a bevel gear, the gear disc and the bevel gear are of an integrated structure, and the driving gear is meshed with the gear disc; the shifting fork assembly 1 comprises a semicircular gear, a first shifting fork and a second shifting fork, wherein the first shifting fork is arranged on the semicircular gear, and the second shifting fork is arranged on the first shifting fork; a cover plate 16 is arranged on one side of the lock plate 2, and the lock plate 2 is connected with the cover plate 16 through a bolt;
the shifting fork assembly 1 is a courseware for converting the rotary motion of the motor gear transmission mechanism into the up-and-down motion of the lock core shaft; the lock plate 2 refers to a housing in which the lock is installed; the split shaft 3 refers to a carrier shaft for mounting the fork assembly 1; the door bolt 4 refers to a bolt of a door lock; the safety door pin core 5 refers to a safety shaft arranged in the door lock core; the upper locking pin seat 6 refers to an action seat for guiding the door pin and ejecting the safety pin through a spring; the stepping motor 7 is a driving motor for opening and closing the lock; the microswitch touch plate 8 refers to a sensing mounting plate which is upwards abutted when the lock cylinder upper moving door is opened; three micro switches 9 are provided, and respectively sense the signals of the upper and lower poles of the lock cylinder and the rotation limit point of the shifting fork in the opening and closing process of the door lock; the straight bevel combination gear 10 refers to a set of transmission process mechanisms for obtaining appropriate speed and torque; the lock top block 10 refers to a track block that performs movement on the slide pin 12; the sliding pin 12 refers to a courseware first spring 13 and a second spring 14 which control the safety pin 5 refer to springs which realize the reset of the lock cylinder and the safety pin; the triggering of the lifting pin 15 refers to the point of contact during the lowering of the securing pin 5.
The utility model discloses a theory of operation is: on the basis of a bolt type door lock in the existing market, a safety protection pin shaft is arranged at the position of a lock cylinder, so that the cost is not greatly increased, but the safety and the reliability of the door lock for a user are greatly increased due to a special safety mechanism.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A safety door lock comprising a lock plate (2) and a trigger knock pin (15), characterized in that: the split shaft (3) and the motor mounting seat (17) are mounted on the lock plate (2), the shifting fork assembly (1) is mounted on the split shaft (3), the stepping motor (7) is mounted on the motor mounting seat (17), and the shifting fork assembly (1) is driven by the stepping motor (7) through the straight bevel combined gear (10);
a locking pin seat (6) and a locking top block (11) are arranged in the locking plate (2), a door pin (4) is installed at the bottom of the locking pin seat (6), a second spring (14) is arranged between the top end of the door pin (4) and the locking pin seat (6), a safety door pin core (5) is arranged in the door pin (4), a first spring (13) is arranged between the top end of the safety door pin core (5) and the door pin (4), and a sliding pin (12) is installed on one side, located on the locking top block (11), of the door pin (4);
and a microswitch touch plate (8) and a microswitch (9) are arranged above the upper locking pin seat (6) of the locking plate (2).
2. A security door lock according to claim 1, wherein: and a driving gear meshed with the straight bevel combined gear (10) is mounted on an output shaft of the stepping motor (7).
3. A security door lock according to claim 2, wherein: the straight bevel combined gear (10) is composed of a gear disc and a bevel gear, the gear disc and the bevel gear are of an integrated structure, and the driving gear is meshed with the gear disc.
4. A security door lock according to claim 1, wherein: the shifting fork assembly (1) comprises a semicircular gear, a first shifting fork and a second shifting fork, the first shifting fork is installed on the semicircular gear, and the second shifting fork is installed on the first shifting fork.
5. A security door lock according to claim 1, wherein: a cover plate (16) is installed on one side of the lock plate (2), and the lock plate (2) is connected with the cover plate (16) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222612596.3U CN218759292U (en) | 2022-09-30 | 2022-09-30 | Safety door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222612596.3U CN218759292U (en) | 2022-09-30 | 2022-09-30 | Safety door lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218759292U true CN218759292U (en) | 2023-03-28 |
Family
ID=85696430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222612596.3U Active CN218759292U (en) | 2022-09-30 | 2022-09-30 | Safety door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218759292U (en) |
-
2022
- 2022-09-30 CN CN202222612596.3U patent/CN218759292U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240218 Address after: 201499 No. 1599, Pingzhuang West Road, Fengxian District, Shanghai Patentee after: Rose Elevator (Shanghai) Co.,Ltd. Country or region after: China Address before: 201400 Workshops 01 and 02, No. 358 Qianqiao Road, Qingcun Town, Fengxian District, Shanghai Patentee before: SHANGHAI JIAZHOU EXPLOSION-PROOF ELECTRICAL Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right |