CN217353908U - Door lock and elevator with same - Google Patents
Door lock and elevator with same Download PDFInfo
- Publication number
- CN217353908U CN217353908U CN202221042042.8U CN202221042042U CN217353908U CN 217353908 U CN217353908 U CN 217353908U CN 202221042042 U CN202221042042 U CN 202221042042U CN 217353908 U CN217353908 U CN 217353908U
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- plate
- movable shaft
- door lock
- bottom plate
- spring bolt
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- 238000005452 bending Methods 0.000 claims description 44
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- 238000003780 insertion Methods 0.000 description 6
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- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- KJLPSBMDOIVXSN-UHFFFAOYSA-N 4-[4-[2-[4-(3,4-dicarboxyphenoxy)phenyl]propan-2-yl]phenoxy]phthalic acid Chemical compound C=1C=C(OC=2C=C(C(C(O)=O)=CC=2)C(O)=O)C=CC=1C(C)(C)C(C=C1)=CC=C1OC1=CC=C(C(O)=O)C(C(O)=O)=C1 KJLPSBMDOIVXSN-UHFFFAOYSA-N 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000002146 bilateral effect Effects 0.000 description 1
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- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model discloses a door lock, which comprises a bottom plate, a spring bolt mechanism arranged on the bottom plate and a driving mechanism for driving the spring bolt mechanism to move, wherein the spring bolt mechanism comprises a movable shaft movably arranged on the bottom plate, a spring bolt fixed at the lower part of the movable shaft and an elastic part sleeved outside the movable shaft, the driving mechanism is used for driving the spring bolt to move upwards, and the elastic part is used for driving the spring bolt to move downwards; the driving mechanism comprises a driver, a gear and a serrated surface, the serrated surface is arranged on one side of the bottom plate, the movable shaft is close to the serrated surface, the gear is meshed with the serrated surface, the gear is fixed at the output end of the driver, and the driver is used for driving the gear to rotate. The door lock of the utility model realizes locking by arranging the driving mechanism to drive the spring bolt mechanism, and has a single spring bolt design and a compact structure; the gear rotates to drive the lock tongue with the rack to move up and down, and the structure is safe and reliable.
Description
Technical Field
The utility model relates to an elevator technical field, concretely relates to elevator lock and home use elevator including this elevator lock suitable for automatic vertical hinged door.
Background
With the advance of cities and construction, the living standard of people is continuously improved, and the market demand for household elevators is also continuously improved.
The domestic platform elevator's of present market two defects as follows of opening door lock: due to the double-bolt design, the size is overlarge, and the required traction force is also larger; if a rope traction structure is adopted, after the lock is unlocked manually in an emergency, the rope has winding risk, and the lock is not automatically locked in an emergency power-off condition, so that the safety is influenced; the arranged emergency manual unlocking device is external, occupies a large amount of space and causes waste of space.
SUMMERY OF THE UTILITY MODEL
In view of this, in order to solve prior art's problem, the utility model provides an improved elevator lock, compact structure moves safe and reliable.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a door lock comprises a bottom plate, a spring bolt mechanism arranged on the bottom plate and a driving mechanism used for driving the spring bolt mechanism to move, wherein the spring bolt mechanism comprises a movable shaft movably arranged on the bottom plate, a spring bolt fixed at the lower part of the movable shaft and an elastic piece sleeved outside the movable shaft, the driving mechanism is used for driving the spring bolt to move upwards, and the elastic piece is used for driving the spring bolt to move downwards; the driving mechanism comprises a driver, a gear and a serrated surface, the serrated surface is arranged on one side of the bottom plate, the movable shaft is close to the serrated surface, the gear is meshed with the serrated surface, the gear is fixed at the output end of the driver, and the driver is used for driving the gear to rotate.
According to some preferred embodiments of the present invention, the gear is located in a vertical plane where an axis of the movable shaft is located, the vertical plane being perpendicular to the bottom plate. The gear and the rack (sawtooth surface) are completely engaged, and the structure is safe and reliable.
According to some preferred embodiments of the present invention, the bottom plate includes a first bending plate, the movable shaft movably penetrates through the first bending plate, the bottom of the movable shaft has a supporting portion, one end of the elastic member acts on the supporting portion, and the other end of the elastic member acts on the first bending plate; a first cushion pad (ring) is arranged between the elastic piece and the first bending plate. Specifically, in some embodiments, a fixing plate is disposed on the base plate, the fixing plate has an engaging surface engaging with the base plate, and a first bending plate and a third bending plate extending from the engaging surface perpendicularly to the base plate, the first bending plate and the third bending plate are perpendicular to each other and perpendicular to the engaging surface, the first bending plate is used for mounting the movable shaft, and the third bending plate is used for mounting the actuator.
The elastic piece is supported and limited through the first bending plate and the supporting portion, so that the locking tongue is provided with a downward movement trend through the elastic piece. The resilient member is preferably a spring. In some embodiments, a section of stepped portion is further designed above the supporting portion, and the diameter of the stepped portion is smaller than that of the supporting portion and smaller than the inner diameter of the elastic member, so as to guide the compression and extension of the elastic member, and prevent the elastic member from being distorted due to an excessively large compression range, which results in structural failure.
According to some preferred implementation aspects of the present invention, the bottom plate includes a second bending plate, the lock tongue activity runs through the second bending plate, a second cushion pad (ring) is provided between the bottom of the movable shaft and the second bending plate. The function of buffering and noise reduction is realized by the first buffer pad (ring) and the second buffer pad (ring).
According to some preferred aspects of the present invention, a safety mechanism is included that is disposed on the base plate; the safety mechanism comprises a first travel switch, a first collision plate, a second travel switch and a second collision plate, wherein the first collision plate, the second collision plate and the second collision plate are corresponding to each other, and the first collision plate and/or the second collision plate are/is fixed on the movable shaft.
According to some preferred aspects of the invention, the first travel switch has a drop lock contact, the first striker plate being located above the drop lock contact; the second travel switch is provided with an unlocking contact, and the second striking plate is positioned below the unlocking contact. Specifically, the driver is electrified to operate, the gear rotates, the height of the movable shaft and the height of the lock tongue are increased through the matching of the gear and the sawtooth surface on the movable shaft, so that the lock is unlocked, meanwhile, the second collision plate impacts the second travel switch to give an unlocking signal, the door plate of the vertical hinged door is opened, the elevator stops operating, and at the moment, the spring is in a compressed state; the driver cuts off the power supply, and under the effect of elastic component, loose axle, spring bolt and first board of hitting move down, lock, and first board of hitting strikes first travel switch simultaneously gives the lock signal that falls, and the elevator starts the operation.
According to some preferred implementation aspects of the utility model, first board and the second of colliding hits board fixed connection, first hitting the board and passing through the connecting plate to be fixed the top of loose axle for first board, the second of colliding hit board and loose axle simultaneous movement. In some embodiments, the first striking plate, the second striking plate and the connecting plate are integrally formed, and the first striking plate and the second striking plate are integrally formed in a C-shaped cross section with an opening facing the bottom plate, so that the first travel switch and the second travel switch are arranged between the first striking plate and the second striking plate.
According to some preferred implementation aspects of the utility model, set up the waist type hole that runs through its thickness direction on the bottom plate, the waist type hole extends along vertical direction, the horizontal plane at connecting plate place is located between the bottom and the top in waist type hole. The kidney-shaped hole is used for manual unlocking in an emergency state. Under special circumstances such as outage, door lock motor or driver damage, upwards lift after inserting waist type hole through special unlocking lever or other rod-shaped object that the size is suitable, can realize urgent unblock, the elastic component is at compression state this moment, takes out behind the rod-shaped object, and the spring bolt resets under the effect of elastic component, and the automatic lock that falls, the security is good and promptly unblank conveniently.
According to some preferred implementation aspects of the invention, the door lock comprises a first door touch panel and a second door touch panel, and the lock tongue is located between the first door touch panel and the second door touch panel. The first door touch panel and the second door touch panel are used for being matched with the insertion blocks on the door panel to sense whether the door panel is closed in place or opened, so that follow-up action is carried out, and the operation safety of the elevator is improved. Just the utility model discloses a single lock tongue simultaneous control two doors, the volume of effectively reducing the lock under the prerequisite of the accurate nature of guaranteeing the locking, application scope is wide.
The utility model also provides an including as above the home use elevator of elevator lock.
Compared with the prior art, the utility model discloses an useful part lies in: the door lock of the utility model realizes locking by arranging the driving mechanism to drive the spring bolt mechanism, and has compact structure due to the design of a single spring bolt; the lock tongue with the rack is driven to move up and down through the rotation of the gear, and the structure is safe and reliable.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained without creative efforts.
Fig. 1 is a schematic front view of a door lock according to an embodiment of the present invention;
FIG. 2 is a schematic side view of the embodiment of the present invention, showing the hidden parts of the door lock;
FIG. 3 is a schematic structural view of the movable shaft after being connected to the striking plate according to the embodiment of the present invention;
FIG. 4 is a schematic side view of the embodiment of the present invention after the movable shaft is connected to the striking plate;
fig. 5 is a schematic structural view of the embodiment of the present invention after the movable shaft and the actuator are connected to the second mounting plate;
wherein: the door lock comprises a door lock-10, a bottom plate-101, a first bending plate-1011, a second bending plate-1012, a mounting plate-1013, a fixing plate-1014, a third bending plate-1015, a first travel switch-1021, a second travel switch-1022, a lock-down contact-1023, an unlocking contact-1024, a first collision plate-1025, a second collision plate-1026, a connecting plate-1027, a movable shaft-1031, a bolt-1032, an elastic part-1033, a supporting part-1034, a sawtooth surface-1035, a driver-1041, a gear-1042, a first cushion-1051, a second cushion-1052, a first door contact plate-1061, a second door contact plate-1062, an insertion hole-1063, a wiring port-107 and a kidney-shaped hole-108.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the present invention will be clearly and completely described below 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 of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall fall within the protection scope of the present invention.
In this embodiment, the home elevator is a double-door arrangement, and has a vertical hinged door device, which includes two door panels arranged in bilateral symmetry, a door lock 10 located at the top of the middle position between the two door panels (the symmetry axis between the two door panels), and other conventional components; the door lock 10 is used to lock two door panels to fix the positions of the two door panels or to release the two door panels so that the two door panels can move freely.
As shown in fig. 1 to 4, the elevator door lock 10 in this embodiment includes a bottom plate 101, a connection port 107, a safety mechanism disposed on the bottom plate 101, a latch mechanism, a driving mechanism for driving the latch mechanism to move, and a first door touch plate 1061 and a second door touch plate 1062 engaged with two door panels. The bottom plate 101 in this embodiment is provided with a mounting plate 1013 for mounting a door touch panel. The connection port 107 is used for electrical and signal connection with a control board in the side hung door apparatus.
The latch mechanism in this embodiment includes a movable shaft 1031 movably disposed on the bottom plate 101, a latch 1032 fixed to a lower portion of the movable shaft 1031, and an elastic member 1033 sleeved on the movable shaft 1031. The base plate 101 in this embodiment is provided with a fixing plate 1014, the fixing plate 1014 has an attachment surface attached to the base plate, a first bending plate 1011 and a third bending plate 1015 extending from the attachment surface perpendicularly to the base plate, and the first bending plate 1011 and the third bending plate 1015 are perpendicular to each other and perpendicular to the attachment surface. The base plate 101 is further provided with a second bending plate 1012, the first bending plate 1011 and the second bending plate 1012 are used for the movable shaft 1031 to movably penetrate, and the third bending plate 1015 is used for installing a driving mechanism. The first bending plate 1011 is located above the second bending plate 1012.
The bottom of the movable shaft 1031 in this embodiment has a support portion 1034, one end of the elastic member 1033 acts on the support portion 1034, and the other end of the elastic member 1033 acts on the first bending plate 1011; a first cushion (ring) 1051 is provided between the elastic member 1033 and the first bending plate 1011, and a second cushion (ring) 1052 is provided between the bottom of the movable shaft 1031 and the second bending plate 1012. The buffering and noise reduction effects are achieved by the first buffer pad 1051 and the second buffer pad 1052. The elastic members 1033 are supported and limited by the first bending plate 1011 and the supporting portion 1034, so that the lock tongue 1032 is provided with a downward movement tendency by the elastic members 1033. The elastic member 1033 is preferably a spring.
In this embodiment, a step portion is further designed above the support portion 1034, and the diameter of the step portion is smaller than the support portion 1034 and smaller than the inner diameter of the elastic member 1033, so as to guide the compression and extension of the elastic member 1033, and prevent the elastic member 1033 from being distorted due to an excessively large compression range, which results in structural failure.
The latch tongue 1032 in this embodiment is located between the first door touch plate 1061 and the second door touch plate 1062, that is, the latch tongue 1032 is located between two door panels, for locking the two door panels at the same time. The door panel has a recess for insertion of a latch 1032. The first door touch plate 1061 and the second door touch plate 1062 are provided with insertion holes 1063 for cooperating with insertion blocks on the door panel to sense whether the door panel is closed in place, so as to perform subsequent actions and improve the safety of elevator operation. In addition, in the embodiment, the single lock tongue 1032 controls the double doors simultaneously, so that the size of the door lock 10 is effectively reduced on the premise of ensuring the locking accuracy, and the application range is wide.
The driving mechanism is used for driving the lock tongue 1032 to move upwards, and the elastic piece 1033 is used for driving the lock tongue 1032 to move downwards. The driving mechanism in this embodiment includes an actuator 1041, and a gear 1042 fixedly connected to an output end of the actuator 1041, where the actuator 1041 is used to drive the gear 1042 to rotate, and the gear 1042 engages with the serrated surface 1035 to raise the horizontal height of the movable shaft and the latch 1032. The driver 1041 is preferably a motor. The gear 1042 is located in a vertical plane where the axis of the movable shaft 1031 is located, and the vertical plane is perpendicular to the bottom plate 101, so that the gear and the rack (sawtooth surface) are completely engaged, and the structure is safe and reliable.
The safety mechanism in this embodiment includes a first travel switch 1021 and a corresponding first striking plate 1025, a second travel switch 1022 and a corresponding second striking plate 1026, and the first striking plate 1025 and the second striking plate 1026 are fixed to a movable shaft 1031. Specifically, the first striking plate 1025 and the second striking plate 1026 are fixedly connected, and the first striking plate 1025 is fixed on the top of the movable shaft 1031 through a connecting plate 1027, so that the first striking plate 1025 and the second striking plate 1026 move synchronously with the movable shaft 1031.
In this embodiment, the first striking plate 1025, the second striking plate 1026 and the connecting plate 1027 are integrally formed, and the first striking plate 1025 and the second striking plate 1026 are integrally formed into a C-shape in cross section, which is open toward the bottom plate 101, so that the first stroke switch 1021 and the second stroke switch 1022 are disposed between the first striking plate 1025 and the second striking plate 1026.
The first travel switch 1021 has a drop-lock contact 1023, and the first striking plate 1025 is located above the drop-lock contact 1023; the second travel switch 1022 has an unlocking contact 1024, and the second striking plate 1026 is located below the unlocking contact 1024. Specifically, the driver 1041 is energized to operate, the gear rotates, the lock tongue 1032 is lifted, and then the lock is unlocked, meanwhile, the second striking plate 1026 impacts the second travel switch 1022, an unlocking signal is given, and then the vertical hinged door panel is opened, the elevator stops running, and at this time, the spring is in a compressed state; the driver 1041 is powered off, the lock tongue 1032 and the first striking plate 1025 move downwards to be inserted into the groove under the action of the elastic element 1033, the lock is dropped, meanwhile, the first striking plate 1025 strikes the first travel switch 1021, a lock dropping signal is given, and the elevator starts to run.
In order to facilitate emergency unlocking and avoid a large occupied space of an emergency manual unlocking device, in the embodiment, the bottom plate 101 is provided with a waist-shaped hole 108 penetrating through the thickness direction of the bottom plate, the waist-shaped hole 108 extends along the vertical direction, and the horizontal plane where the connecting plate 1027 is located between the bottom end and the top end of the waist-shaped hole 108. Kidney hole 108 is used for manual unlocking in emergency. Under special conditions such as power failure and damage of a door lock motor or a driver, emergency unlocking can be realized by inserting a special unlocking rod or other rod-shaped objects with proper sizes into the kidney-shaped hole 108 and then lifting the rod-shaped objects upwards, at the moment, the elastic element is in a compressed state, and after the rod-shaped objects are taken out, the locking dog 1032 resets under the action of the elastic element, the lock automatically falls, the safety is good, and the emergency unlocking is convenient. In other embodiments, an unlocking hole may also be formed in a side of the movable shaft 1031 close to the bottom plate 101, and a waist-shaped hole extending in the vertical direction is formed in the bottom plate 101 corresponding to the unlocking hole; the unlocking hole is positioned between the bottom surface and the top surface of the waist-shaped hole, and the same effect can be achieved.
The operation of the door lock 10 in this embodiment is briefly described as follows:
when the side hung door needs to be opened, the driver 1041 is started, the gear 1042 rotates, and the sawtooth surface 1035 drives the movable shaft 1031 and the lock tongue 1032 to move upwards, so that the lock tongue 1032 is separated from the groove at the upper end of the door panel, and the door panel can be freely opened. Meanwhile, the second striking plate 1026 on the movable shaft 1031 strikes the second travel switch 1022, an unlocking signal is given, the vertical hinged door panel is further opened, the elevator stops running, and at the moment, the spring is in a compressed state.
When the vertical hinged door needs to be closed, the insertion block on the door plate is inserted into the door touch plate on the door lock 10, the driver 1041 is powered off, and the lock tongue 1032 automatically falls down under the restoring force of the elastic piece 1033. At the same time, the first striking plate 1025 on the movable shaft 1031 moves downward to strike the first travel switch 1021, giving a lock-down signal, and the elevator starts to run.
The elevator door lock of the utility model has the advantages of single lock tongue design and compact structure; the lock tongue with the rack is driven to move up and down through the rotation of the gear, so that the structure is reliable; the emergency artificial unlocking is designed behind the lock, so that the space occupation is reduced; the detection contact that integrated door plant targets in place, the wiring position is whole to be hidden, and the outward appearance is more succinct.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (10)
1. A door lock is characterized by comprising a bottom plate, a spring bolt mechanism arranged on the bottom plate and a driving mechanism used for driving the spring bolt mechanism to move, wherein the spring bolt mechanism comprises a movable shaft movably arranged on the bottom plate, a spring bolt fixed at the lower part of the movable shaft and an elastic piece sleeved outside the movable shaft, the driving mechanism is used for driving the spring bolt to move upwards, and the elastic piece is used for driving the spring bolt to move downwards; the driving mechanism comprises a driver, a gear and a serrated surface, the serrated surface is arranged on one side of the bottom plate, the movable shaft is close to the serrated surface, the gear is meshed with the serrated surface, the gear is fixed at the output end of the driver, and the driver is used for driving the gear to rotate.
2. The door lock according to claim 1, wherein the gear wheel is located in a vertical plane on which the axis of the movable shaft is located, the vertical plane being perpendicular to the bottom plate.
3. The door lock according to claim 1, wherein the bottom plate comprises a first bending plate, the movable shaft movably penetrates through the first bending plate, a support part is arranged at the bottom of the movable shaft, one end of the elastic member acts on the support part, and the other end of the elastic member acts on the first bending plate; a first cushion pad is arranged between the elastic piece and the first bending plate.
4. The door lock of claim 1, wherein the bottom plate is provided with a fixing plate, the fixing plate comprises an engaging surface engaging with the bottom plate, a first bending plate and a third bending plate extending from the engaging surface perpendicular to the bottom plate, the first bending plate and the third bending plate are perpendicular to each other and perpendicular to the engaging surface, the first bending plate is used for mounting the movable shaft, and the third bending plate is used for mounting the driver.
5. The door lock of claim 1, wherein the bottom plate comprises a second bending plate, the locking tongue movably penetrates through the second bending plate, and a second cushion pad is disposed between the bottom of the movable shaft and the second bending plate.
6. The door lock according to any one of claims 1 to 5, comprising a safety mechanism provided on the base plate; the safety mechanism comprises a first travel switch, a first collision plate, a second travel switch and a second collision plate, wherein the first collision plate, the second collision plate and the second collision plate are corresponding to each other, and the first collision plate and/or the second collision plate are/is fixed on the movable shaft.
7. The door lock of claim 6, wherein the first travel switch has a drop lock contact, the first striker plate being located above the drop lock contact; the second travel switch is provided with an unlocking contact, and the second striking plate is positioned below the unlocking contact.
8. The door lock of claim 6, wherein the first striking plate and the second striking plate are fixedly connected, and the first striking plate is fixed on the top of the movable shaft through a connecting plate; the bottom plate is provided with a waist-shaped hole penetrating through the thickness direction of the bottom plate, the waist-shaped hole extends along the vertical direction, and the horizontal plane where the connecting plate is located between the bottom end and the top end of the waist-shaped hole.
9. The door lock of any one of claims 1-8, comprising a first door touch plate and a second door touch plate, wherein the locking bolt is positioned between the first door touch plate and the second door touch plate.
10. Elevator, characterized in that it comprises a door lock according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221042042.8U CN217353908U (en) | 2022-04-29 | 2022-04-29 | Door lock and elevator with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221042042.8U CN217353908U (en) | 2022-04-29 | 2022-04-29 | Door lock and elevator with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217353908U true CN217353908U (en) | 2022-09-02 |
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ID=83011179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221042042.8U Active CN217353908U (en) | 2022-04-29 | 2022-04-29 | Door lock and elevator with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217353908U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114718386A (en) * | 2022-04-29 | 2022-07-08 | 苏州大名府电梯有限公司 | A door lock and elevator having the same |
-
2022
- 2022-04-29 CN CN202221042042.8U patent/CN217353908U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114718386A (en) * | 2022-04-29 | 2022-07-08 | 苏州大名府电梯有限公司 | A door lock and elevator having the same |
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