A security window unlocking mechanism

Abstract

The utility model discloses a safe window unlocking mechanism, the utility model discloses safe window unlocking mechanism includes setting in the safe window of car top, and the safe window includes the frame and the sash of rotation connection with frame, and the frame is provided with first support and protection switch to one side of car back, is provided with the spigot on first support, is provided with the triangular lock on the sash, and the triangular lock includes the base fixedly connected with the sash and the axle core rotation connection with the base and the penetration sash, and the spigot is provided with the insertion hole to one end of car face, and the spigot is provided with the swing lever to one end of car back, and the swing lever is fixedly connected with the axle core and rotates with the axle core synchronization, and the swing lever is linked with a lock pin, and the lock pin one end is provided with the contact point corresponding with protection switch, and the axle core rotates and drives the lock pin to make the action of approaching or moving away from first support along the slot, and the lock pin approaches the frame and inserts the spigot and the contact point and protection switch contact when. The utility model discloses simple and flexible structure, and the passenger in the elevator is convenient to get rid of the predicament, and the safety of elevator car has been improved.

Description

Technical Field

[0001] This utility model relates to the field of elevator technology, and in particular to a safety window unlocking mechanism. Background Technology

[0002] Emergency exit windows, installed on the top of the elevator car, are designed to open outwards and should be readily accessible for passenger rescue and evacuation in the event of an elevator accident. However, many emergency exit windows suffer from drawbacks such as complex unlocking mechanisms, inflexible operation, and low reliability, posing significant safety risks to passengers and maintenance personnel. Utility Model Content

[0003] To address the aforementioned technical problems, the purpose of this utility model is to propose a safety window unlocking mechanism that can easily and conveniently open the safety window.

[0004] To achieve the above objectives, this utility model provides the following technical solution:

[0005] A safety window unlocking mechanism includes a safety window installed on the top of an elevator car. The safety window includes a frame and a window sash rotatably connected to the frame. A first bracket and a safety switch are provided on the side of the frame facing away from the elevator car. The first bracket has a socket. A triangular lock is provided on the window sash. The triangular lock includes a base fixedly connected to the window sash and a shaft rotatably connected to the base and passing through the window sash. A socket is provided at the end of the shaft facing the elevator car, and a swing rod is provided at the end of the shaft facing away from the elevator car. The swing rod is fixedly connected to the shaft and rotates synchronously with the shaft. The swing rod is connected to a locking pin. The two ends of the triangular lock... The side is provided with a second bracket and a third bracket connected to the window sash. Both the second bracket and the third bracket are provided with slots. The two ends of the locking pin are respectively inserted into the slots. The end of the locking pin near the first bracket is provided with a contact corresponding to the safety switch. When the shaft rotates, it drives the locking pin to move closer to or away from the first bracket along the slot. When the locking pin is close to the frame, it is inserted into the socket and the contact is in contact with the safety switch. A support rod is provided on one side of the triangular lock. A torsion spring is sleeved on the support rod. One end of the torsion spring is connected to the swing rod and the other end is connected to the second bracket, so that the swing rod is subjected to the restoring force that causes the locking pin to be inserted into the socket.

[0006] Preferably, the locking pin is provided with an upwardly extending tab.

[0007] Preferably, the window sash is provided with a protective cover for concealing the triangular lock, the locking pin and the protective switch, and the protective cover is provided with an opening for exposing the lever.

[0008] Preferably, the locking pin includes a middle section connected to the rocker arm and an edge section inserted into a slot, the width of the slot being adapted to the width of the edge section, and the width of the middle section being greater than the width of the edge section.

[0009] Preferably, the lever is located between the swing arm and the second bracket, and the lever includes a base plate fixedly connected to the locking pin and a side plate perpendicular to the base plate.

[0010] Preferably, the rocker arm is rotatably connected to the locking pin, and the end of the rocker arm away from the locking pin is provided with a socket, into which one end of the torsion spring is inserted.

[0011] Due to the application of the above technical solution, this utility model has the following advantages compared with the prior art:

[0012] This utility model's safety window unlocking mechanism includes a safety window installed on the top of the elevator car. The safety window includes a frame and a window sash rotatably connected to the frame. A first bracket and a safety switch are installed on the side of the frame facing away from the elevator car. The first bracket has a socket. A triangular lock is installed on the window sash. The triangular lock includes a base fixedly connected to the window sash and a shaft rotatably connected to the base and passing through the window sash. A socket is provided at the end of the shaft facing the elevator car, and a swing rod is provided at the end of the shaft facing away from the elevator car. The swing rod is fixedly connected to the shaft and rotates synchronously with the shaft. The swing rod is connected to a locking pin. A contact point corresponding to the safety switch is provided at the end of the locking pin near the first bracket. When the shaft rotates, it drives the locking pin to move closer to or away from the first bracket along the slot. When the locking pin is close to the frame, it is inserted into the socket and the contact point contacts the safety switch. When the elevator malfunctions, personnel can use a triangular key inside the car to insert into the socket to rotate the shaft, or directly move the locking pin from the top of the car to disengage the locking pin from the socket and rotate to open the window sash, so that passengers inside the elevator can escape from danger, thus improving the safety of the elevator car. Attached Figure Description

[0013] The technical solution of this utility model will be further described below with reference to the accompanying drawings:

[0014] Appendix Figure 1 This is a perspective view of the safety window unlocking mechanism of this utility model;

[0015] Appendix Figure 2 This is a partial perspective view of the safety window unlocking mechanism of this utility model.

[0016] The components are: 1. Frame; 2. Window sash; 3. First bracket; 4. Safety switch; 5. Base; 6. Shaft core; 7. Swing rod; 8. Locking pin; 81. Middle section; 82. Edge section; 9. Second bracket; 10. Third bracket; 11. Slot; 12. Support rod; 13. Torsion spring; 14. Paddle; 15. Protective cover; 151. Opening. Detailed Implementation

[0017] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the scope of protection of the present invention.

[0018] It should be noted that when a component is referred to as "fixed to" or "set on" another component, it can be directly on the other component or may have an intervening component present. When a component is referred to as "connected to" another component, it can be directly connected to the other component or may have an intervening component present.

[0019] Furthermore, it should be noted that the directional terms such as left, right, up, and down used in the embodiments of this utility model are only relative concepts or references to the normal use of the product, and should not be considered restrictive. The implementation of this utility model will be described in detail below with reference to specific embodiments.

[0020] As attached Figure 1 The diagram shows a safety window unlocking mechanism according to this utility model, including a safety window installed on the top of the car. The safety window includes a frame 1 and a window sash 2 rotatably connected to the frame 1 via hinges. A first bracket 3 and a safety switch 4 are installed on the side of the frame 1 facing away from the car. The first bracket 3 has a socket. (See attached diagram) Figure 2 As shown, a triangular lock is installed on the window sash 2. The triangular lock includes a base 5 fixedly connected to the window sash 2 and a shaft 6 rotatably connected to the base 5 and passing through the window sash 2. The end of the shaft 6 facing the car has a socket, and a person inside the car can insert a triangular key into the socket to rotate the shaft 6. The end of the shaft 6 facing away from the car is connected to a rocker arm 7, which is fixedly connected to the shaft 6 and rotates synchronously with the shaft 6. The rocker arm 7 is connected to a locking pin 8. A second bracket 9 and a third bracket 10 connected to the window sash 2 are installed on both sides of the triangular lock. Both the second bracket 9 and the third bracket 10 have slots 11, and the two ends of the locking pin 8 are inserted into the slots 11 respectively. The locking pin 8 has a corresponding contact at one end near the safety switch 4. When the shaft 6 rotates, it drives the locking pin 8 to move closer to or further away from the first bracket 3 along the slot 11. The locking pin 8 moves in a straight line under the constraint of the slot 11. When the locking pin 8 approaches the frame 1, it inserts into the socket, fixing the window sash 2 and the frame 1 together, closing the safety window, and the contact on the locking pin 8 contacts the safety switch 4. When the contact is in contact with the safety switch 4, the current in the elevator circuit forms a loop, allowing the elevator to operate normally. When the contact leaves the safety switch 4, the elevator circuit is disconnected, preventing the elevator from suddenly starting and posing a danger to personnel when the safety window is open.

[0021] A support rod 12 is installed on one side of the triangular lock, and a torsion spring 13 is fitted on the support rod 12. One end of the torsion spring 13 is connected to the swing rod 7, and the other end is connected to the second bracket 9, so that the swing rod 7 is subjected to the restoring force that causes the locking pin 8 to be inserted into the socket.

[0022] The locking pin 8 is equipped with an upward-extending lever 14, which allows staff above the elevator car to operate the movable locking pin 8 to open or close the safety window to rescue passengers inside the car.

[0023] The window sash 2 is equipped with a protective cover 15 to cover the triangular lock, locking pin 8, and protective switch 4. This cover is dustproof, waterproof, and prevents being stepped on, ensuring the reliability of the switch opening and closing in harsh environments. The protective cover 15 has an opening 151 for exposing the lever 14 for easy operation.

[0024] The locking pin 8 includes a middle section 81 connected to the rocker arm 7 and an edge section 82 inserted into the slot 11. The width of the slot 11 is adapted to the width of the edge section 82, and the width of the middle section 81 is greater than the width of the edge section 82, thus limiting the movement range of the locking pin 8 and preventing it from dislodging from the slot 11. A lever 14 is located between the rocker arm 7 and the second bracket 9. The lever 14 includes a base plate fixedly connected to the locking pin 8 and a side plate perpendicular to the base plate, facilitating finger operation. (See attached image) Figure 2 As shown, when the lever 14 is moved to the right, the safety window opens; when the lever 14 is moved to the left, the safety window closes.

[0025] The swing arm 7 is rotatably connected to the locking pin 8. The end of the swing arm 7 away from the locking pin 8 is machined with a socket. One end of the torsion spring 13 is inserted into the socket. When the operator in the car pulls out the triangular key or the operator on the car releases the lever, the locking pin 8 is inserted into the socket to close the safety window.

[0026] This utility model discloses a safety window unlocking mechanism with a simple and flexible structure, convenient installation and maintenance, and strong practicality. When the elevator malfunctions, personnel can use a triangular key to insert into the socket and rotate the shaft inside the car, or directly move the lock pin on the top of the car to disengage the lock pin from the socket and rotate to open the window, so that passengers inside the elevator can escape from the predicament, thus improving the safety of the elevator car.

[0027] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A safety window unlocking mechanism, characterized in that: The system includes a safety window installed on the top of the car. The safety window comprises a frame and a window sash rotatably connected to the frame. A first bracket and a safety switch are located on the side of the frame facing away from the car. The first bracket has a socket. A triangular lock is installed on the window sash. The triangular lock includes a base fixedly connected to the window sash and a shaft rotatably connected to the base and passing through the window sash. A socket is located at the end of the shaft facing the car, and a swing rod is located at the end of the shaft facing away from the car. The swing rod is fixedly connected to the shaft and rotates synchronously with the shaft. The swing rod is connected to a locking pin. The triangular lock has locking pins on both sides. The window sash is connected to a second and a third bracket, both of which are provided with slots. The two ends of the locking pin are inserted into the slots respectively. The end of the locking pin near the first bracket is provided with a contact corresponding to the safety switch. When the shaft rotates, it drives the locking pin to move closer to or away from the first bracket along the slot. When the locking pin is close to the frame, it is inserted into the socket and the contact is in contact with the safety switch. A support rod is provided on one side of the triangular lock. A torsion spring is sleeved on the support rod. One end of the torsion spring is connected to a swing rod, and the other end is connected to the second bracket, so that the swing rod is subjected to a restoring force that causes the locking pin to be inserted into the socket.

2. The safety window unlocking mechanism according to claim 1, characterized in that: The locking pin is provided with an upwardly extending paddle.

3. The safety window unlocking mechanism according to claim 2, characterized in that: The window sash is provided with a protective cover for concealing the triangular lock, locking pin and protective switch, and the protective cover is provided with an opening for exposing the lever.

4. The safety window unlocking mechanism according to claim 2, characterized in that: The lever is located between the swing arm and the second bracket, and the lever includes a base plate fixedly connected to the locking pin and a side plate perpendicular to the base plate.

5. The safety window unlocking mechanism according to claim 1, characterized in that: The locking pin includes a middle section connected to the rocker arm and an edge section inserted into a slot. The width of the slot is adapted to the width of the edge section, and the width of the middle section is greater than the width of the edge section.

6. The safety window unlocking mechanism according to claim 1, characterized in that: The rocker arm is rotatably connected to the locking pin, and the end of the rocker arm away from the locking pin is provided with a socket, into which one end of the torsion spring is inserted.

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