CN210914903U - Unlocking device with self-rescue function - Google Patents
Unlocking device with self-rescue function Download PDFInfo
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- CN210914903U CN210914903U CN201921627074.2U CN201921627074U CN210914903U CN 210914903 U CN210914903 U CN 210914903U CN 201921627074 U CN201921627074 U CN 201921627074U CN 210914903 U CN210914903 U CN 210914903U
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- unlocking device
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- spring bolt
- door
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- Maintenance And Inspection Apparatuses For Elevators (AREA)
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Abstract
The utility model discloses an unlocking device with function of saving oneself, including room door, elevator car and cam link gear, the room door has a body and a door frame, is equipped with the electric lock that has the spring bolt on the door frame, is equipped with on the door body with spring bolt matched with lock box, cam link gear include spring bolt top pushing mechanism with be used for driving the spring bolt top pushing machine with the spring bolt from the key that the lock box was ejecting, spring bolt top pushing mechanism assembles on the door body, the key assembles in elevator car. The utility model discloses can realize saving oneself when the elevator breaks down, ensure user's safety.
Description
Technical Field
The utility model belongs to the technical field of the elevator technique and specifically relates to an unlocking device with function of saving oneself is related to.
Background
With the development of socio-economy, home elevators are widely used. The hoistway of a general home elevator is narrow, and more users choose to use a door lock of a sliding door in order to save the building area in the largest scale and utilize the width of the hoistway as much as possible. The hand-pull door lock is generally an electric door lock, and in operation, the electromagnetic lock is powered off, the hall door lock is closed, and after the door lock is closed and stops in a target landing door area, the electromagnetic lock is powered on, the hall door lock is disconnected, and the hall door is allowed to be opened. When the elevator is in failure, the hand-pulling door electric lock automatically locks under the condition of power loss or non-flat floor, and passengers in the elevator car can only ask for help from the outside through the intercom device or the telephone in the elevator car. Because of the particularity of the installation position of the home elevator, actual rescue cannot be timely achieved, potential safety hazards are easily generated, and therefore an unlocking device with a self-rescue function is urgently needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's defect, provide an unlocking device with function of saving oneself.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an unlocking device with function of saving oneself, includes room door, elevator car and cam link gear, the room door has a body and a door frame, be equipped with the electric lock that has the spring bolt on the door frame, be equipped with on the door body with spring bolt matched with lock box, cam link gear includes spring bolt top pushing mechanism and is used for the drive the spring bolt top pushing machine is with the spring bolt key from the interior liftout of lock box, spring bolt top pushing mechanism assembles on the door body, the key assembles in elevator car.
Preferably, the spring bolt pushing mechanism comprises a rotating shaft, a cam, an elastic part and a pushing part, the cam is assembled on the rotating shaft, one end of the pushing part is abutted to the cam when the cam rotates within a preset angle range, the opposite end extends into the lock box, a limiting part is formed on the pushing part, the elastic part is sleeved on the pushing part, one end of the elastic part is abutted to the limiting part, and the opposite end is abutted to the lock box.
Preferably, the pushing member includes a pushing body and a roller, and the roller is disposed at an end of the pushing body close to the cam.
Preferably, the limiting part is a convex ring structure formed by outward protrusion of the outer side wall of the pushing body.
Preferably, a containing groove is formed in the rotating shaft, a protruding portion is arranged in the containing groove, and a groove portion matched with the protruding portion is formed in the key.
Preferably, the projections are triangular.
Preferably, the elastic member is a spring.
Preferably, a light curtain sensor is further arranged between the door body and the door frame.
The utility model has the advantages that:
unlocking device, have the function of saving oneself, can realize saving oneself when the elevator breaks down, ensure user's safety.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
fig. 2 is a schematic structural diagram of the present invention during unlocking.
Reference numerals: 10. the door comprises a door body, 20, a door frame, 30, an electric lock, 31, a bolt, 40, a lock box, 50, a bolt pushing mechanism, 51, a rotating shaft, 511, a containing groove, 512, a convex part, 52, a cam, 53, a pushing piece, 531, a pushing body, 532, a roller, 54, an elastic piece, 60, a limiting part, 70 and a light curtain sensor.
Detailed Description
The technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention.
With reference to fig. 1 and 2, the unlocking device with self-rescue function disclosed by the present invention comprises a hall door, an elevator car and a cam linkage mechanism, wherein the hall door has a door body 10 and a door frame 20, an electric lock 30 is arranged in the door frame 20, the electric lock 30 has a lock tongue 31, a lock box 40 matched with the lock tongue 31 is arranged in the door body 10, and in the implementation, the lock tongue 31 of the electric lock 30 extends into the lock box 40 to lock the door body 10 and the door frame 20; the cam linkage mechanism comprises a bolt pushing mechanism 50 and a key (not shown), the bolt pushing mechanism 50 is arranged in the door body 10 and is used for pushing out the bolt 31 from the lock box 40; the key is installed in the elevator car and is used for driving the bolt pushing mechanism 50 to push the bolt 31 out of the lock box 40.
As shown in fig. 1, the tongue pushing mechanism 50 includes a rotating shaft 51, a cam 52, a pushing member 53 and an elastic member 54, wherein the rotating shaft 51 is disposed on the door 10; the cam 52 is arranged on the rotating shaft 51 and can rotate along with the rotation of the rotating shaft 51; one end of the pushing piece 53 abuts against the cam 52 when the cam 52 rotates within a preset angle range, and the opposite end extends into the lock box 40 and is used for pushing the bolt 31 out of the lock box 40; furthermore, a limit portion 60 is formed on the pushing member 53, the elastic member 54 is sleeved on the pushing member 53, and one end of the elastic member 54 abuts against the limit portion 60, and the opposite end abuts against the lock box 40, so as to provide an acting force for resetting the pushing member 53.
Further, the pushing element 53 includes a pushing body 531 and a roller 532, the roller 532 is disposed at an end of the pushing body 531 close to the cam 52, and the limiting portion 60 is a convex ring structure formed by an outward protrusion of an outer sidewall of the pushing body 531, in implementation, the key drives the cam 52 to rotate through the rotating shaft 51, the cam 52 first contacts with the roller 532 in the rotating process, and when the cam 52 further rotates, an acting force is applied to the pushing body 531 through the roller 532, so that the pushing body 531 pushes the latch 31. After the cam 52 rotates to the right position (the cam 52 rotates 90 °), the pushing body 531 pushes the bolt 31 out of the lock box 40, so that the door 10 and the doorframe 20 are unlocked, and a user can push the door 10 open for escape, thereby realizing self rescue.
In this embodiment, the cam 52 is preferably rotated in a range of 0 ° to 90 °, and the elastic member 54 is preferably a spring.
As shown in fig. 1, an end surface of the rotating shaft 51 contacting the key is recessed inwards to form a receiving groove 511 for receiving the key, a protrusion 512 is disposed in the receiving groove 511, a groove portion (not shown) is disposed on the key and is engaged with the protrusion 512, when the key is operated, the key is inserted into the receiving groove 511, and the protrusion 512 is engaged with the groove portion, so that the rotating shaft 51 is driven to rotate when the key is rotated. In this embodiment, the protrusions 512 are preferably triangular protrusions 512, and in other embodiments, the protrusions 512 may also be quadrilateral protrusions 512 or pentagonal protrusions 512, etc.
Further, a light curtain sensor 70 is further arranged between the door body 10 and the door frame 20 and used for detecting whether a user performs self-rescue operation, namely, whether a person performs unlocking operation, and the light curtain sensor 70 is in communication connection with the elevator control system.
Unlocking device with function of saving oneself, can realize saving oneself when the elevator breaks down, ensure user's safety.
The technical contents and features of the present invention have been disclosed as above, however, those skilled in the art can still make various substitutions and modifications based on the teaching and disclosure of the present invention without departing from the spirit of the present invention, therefore, the protection scope of the present invention should not be limited to the contents disclosed in the embodiments, but should include various substitutions and modifications without departing from the present invention, and should be covered by the claims of the present patent application.
Claims (8)
1. The utility model provides an unlocking device with function of saving oneself, its characterized in that, including room door, elevator car and cam link gear, the room door has a body and a door frame, be equipped with the electric lock that has the spring bolt on the door frame, be equipped with on the door body with spring bolt matched with lock box, cam link gear includes spring bolt top pushing mechanism and is used for the drive the spring bolt top pushing machine is with the spring bolt from the key that pushes out in the lock box, spring bolt top pushing mechanism assembles on the door body, the key assembles in elevator car.
2. The unlocking device with self-rescue function as claimed in claim 1, wherein the bolt pushing mechanism comprises a rotating shaft, a cam, an elastic member and a pushing member, the cam is assembled on the rotating shaft, one end of the pushing member abuts against the cam when the cam rotates within a preset angle range, the opposite end extends into the lock box, a limit portion is formed on the pushing member, the elastic member is sleeved on the pushing member, one end of the elastic member abuts against the limit portion, and the opposite end abuts against the lock box.
3. The unlocking device with self-rescue function as claimed in claim 2, wherein the pushing member comprises a pushing body and a roller, and the roller is arranged at the end part of the pushing body close to the cam.
4. The unlocking device with self-rescue function as claimed in claim 3, wherein the limiting portion is a convex ring structure formed by outward protrusion of the outer side wall of the pushing body.
5. The unlocking device with self-rescue function as claimed in claim 2, wherein a containing groove is formed on the rotating shaft, a protruding portion is arranged in the containing groove, and a groove portion matched with the protruding portion is formed on the key.
6. The self-rescue unlocking device as claimed in claim 5, wherein the boss is triangular.
7. The self-rescue unlocking device as claimed in claim 2, wherein the elastic member is a spring.
8. The unlocking device with self-rescue function as claimed in claim 1, wherein a light curtain sensor is further arranged between the door body and the door frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921627074.2U CN210914903U (en) | 2019-09-27 | 2019-09-27 | Unlocking device with self-rescue function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921627074.2U CN210914903U (en) | 2019-09-27 | 2019-09-27 | Unlocking device with self-rescue function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210914903U true CN210914903U (en) | 2020-07-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921627074.2U Active CN210914903U (en) | 2019-09-27 | 2019-09-27 | Unlocking device with self-rescue function |
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| Country | Link |
|---|---|
| CN (1) | CN210914903U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112878815A (en) * | 2021-02-03 | 2021-06-01 | 常州市月仙冷藏设备有限公司 | Flat-open cold storage door |
-
2019
- 2019-09-27 CN CN201921627074.2U patent/CN210914903U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112878815A (en) * | 2021-02-03 | 2021-06-01 | 常州市月仙冷藏设备有限公司 | Flat-open cold storage door |
| CN112878815B (en) * | 2021-02-03 | 2022-02-15 | 常州市月仙冷藏设备有限公司 | Flat-open cold storage door |
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