Hidden rescue safety door for car wall

Abstract

The utility model discloses a car wall hidden rescue safety door which comprises a fixed base and a car wall fixedly installed at the upper end of the fixed base, a hidden door is rotationally installed in the car wall, a safety channel is formed in the car wall, and the safety channel is located on the side, close to the car wall, of the hidden door. A holding pull rod is fixedly installed on the outer side of the car wall and the outer side of the hidden door, a controller is fixedly installed on the outer side of the car wall, and a pull pin is arranged in the hidden door. According to the invisible rescue safety door for the car wall, a sliding plate capable of sliding is arranged on the outer side of a trigger, accidental triggering of the trigger can be avoided, the use safety of the safety door is guaranteed, movement of a connecting block can be completed through expansion of a telescopic rod and a strong spring, and therefore the connecting block drives a pushing rod to move; and the hidden door is pushed by the push rod to rotate and is separated from the safety channel, so that trapped people can escape conveniently, and the use convenience of the hidden door is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of elevator car walls, in particular to a hidden rescue safety door for a car wall. Background Technique

[0002] An elevator is a common conveying device. With the development of technology, the structure of the elevator car wall is gradually improved. In order to ensure the rapid rescue of the trapped people inside the car wall, an openable safety passage is provided inside the car wall to facilitate the rescue of the trapped people inside the car wall;

[0003] The safety passage opened inside the car wall is generally closed by a hidden door. During the escape process of the trapped people, it is necessary to separate the door lock device between the hidden door and the car wall. Generally, the hidden door is nested and installed inside the car wall, and the opening between the hidden door and the car wall needs to be manually opened by oneself. When people are trapped inside the elevator, it is easy to cause people to be nervous, and there will be a problem of violently pulling the hidden door, which is easy to cause the hidden door to be stuck, affecting the implementation of the rescue;

[0004] The patent application publication number CN206969954U discloses a fire-fighting elevator car wall, a car wall and a safety door fixed on the car wall. The safety door includes two door lock devices for locking with the car wall. A storage box is fixed on the back of the safety door located outside the car. By fixing the storage box on the outer side of the car wall and using the door lock device driven by a triangular lock at the same time, it is convenient for rescue personnel to operate, which is beneficial to improving the rescue efficiency; at the same time, the structure is compact, occupying less hoistway space and not affecting the layout of the elevator hoistway;

[0005] In the above document, the safety door inside the elevator car wall is arranged inside the car wall and needs to be manually pulled to open it to facilitate the evacuation of personnel through the safety passage. When people are trapped, they are prone to nervous and frightened emotions, resulting in the situation that the safety door is easily stuck during the process of pulling the safety door, affecting the smooth progress of the rescue and bringing trouble to the normal escape of the trapped people.

[0006] In view of the above problems, it is urgent to innovate and design on the basis of the original safety door structure. Content of the Utility Model

[0007] The purpose of the utility model is to provide a hidden rescue safety door for a car wall, so as to solve the problems that when people are trapped, they are prone to nervous and frightened emotions, resulting in the situation that the safety door is easily stuck during the process of pulling the safety door, affecting the smooth progress of the rescue and bringing trouble to the normal escape of the trapped people as mentioned in the above background technique.

[0008] To achieve the above object, the present utility model provides the following technical solutions: A concealed rescue safety door for a car wall, comprising a fixed base and a car wall fixedly installed at the upper end of the fixed base;

[0009] A hidden door is rotatably installed inside the car wall, and a safety passage is provided inside the car wall, and the safety passage is located on the side of the hidden door close to the car wall. A handrail rod is fixedly installed on the outer sides of the car wall and the hidden door, a controller is fixedly installed on the outer side of the car wall, and a pull pin is arranged inside the hidden door;

[0010] An opening structure is arranged inside the car wall, and the opening structure can realize the automatic opening of the hidden door;

[0011] A protection structure is arranged inside the hidden door, and the protection structure can achieve the effect of preventing the hidden door from being accidentally opened.

[0012] Preferably, a sliding plate is arranged inside the protection structure, and the sliding plate is slidably installed inside the hidden door. Two sets of engaging grooves are provided on the outer side of the sliding plate, and the engaging grooves are located inside the hidden door.

[0013] Preferably, a connecting rope is fixedly installed on the outer side of the hidden door, and a weight block is fixedly installed at one end of the connecting rope away from the sliding plate. The weight block is located inside the hidden door, and the weight block is slidably connected to the hidden door.

[0014] Preferably, two sets of engaging blocks are slidably installed inside the hidden door. One end of the engaging block close to the sliding plate is in a pointed structure, and a support spring is fixedly installed at the end of the engaging block away from the sliding plate. The support spring is located inside the hidden door.

[0015] Preferably, the engaging block is engaged with the engaging groove, and the engaging block and the engaging groove are arranged in correspondence. A trigger is fixedly installed inside the hidden door, and the trigger is located on the side of the sliding plate close to the hidden door.

[0016] Preferably, a telescopic rod is arranged inside the opening structure. The telescopic rod is fixedly installed inside the car wall, a strong spring is sleeved on the outer side of the telescopic rod, and a connecting block is fixedly installed at the telescopic end of the telescopic rod.

[0017] Preferably, a push rod is rotatably installed inside the connecting block, and one end of the push rod away from the connecting block is rotatably connected to the hidden door.

[0018] Compared with the prior art, the beneficial effects of the present utility model are:

[0019] 1. By arranging a slidable sliding plate on the outer side of the trigger, accidental triggering of the trigger can be avoided, ensuring the safety of the use of this safety door;

[0020] 2. By providing engaging blocks inside the car wall, the engaging blocks can be engaged with the engaging grooves on the outer side of the sliding plate, thereby controlling the position of the sliding plate and preventing the movement of the sliding plate from affecting the use of the trigger;

[0021] 3. Further, by providing telescopic rods and strong springs inside the car wall, the movement of the connecting block can be completed through the expansion of the telescopic rods and strong springs, so that the connecting block drives the push rod to move, causing the push rod to push the hidden door to rotate and separate from the safety passage, facilitating the escape of trapped people and improving the convenience of using the hidden door;

[0022] 4. Even further, by providing a handrail on the outer side of the hidden door, the hidden door can be pulled open through the handrail, ensuring the stability of the opening of the hidden door and preventing the telescopic rod from accidentally causing the hidden door to fail to open automatically, ensuring the safety of using the elevator car wall. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is a three-dimensional structural schematic diagram of the hidden door of the present utility model;

[0024] Figure 2 is a structural schematic diagram of the hidden door in the open state of the present utility model;

[0025] Figure 3 is a front-view structural schematic diagram of the sliding plate of the present utility model;

[0026] Figure 4 is a left-view structural schematic diagram of the sliding plate of the present utility model;

[0027] Figure 5 is a top-view structural schematic diagram of the push rod of the present utility model;

[0028] Figure 6 is a front-view structural schematic diagram of the telescopic rod of the present utility model;

[0029] Figure 7 is a bottom-up three-dimensional structural schematic diagram of the push rod of the present utility model.

[0030] In the figure: 1, fixed base; 2, car wall; 3, hidden door; 4, safety passage; 5, handrail; 6, controller; 7, pull pin; 8, sliding plate; 9, engaging groove; 10, connecting rope; 11, weight; 12, engaging block; 13, support spring; 14, trigger; 15, telescopic rod; 16, strong spring; 17, connecting block; 18, push rod. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0031] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0032] In a specific embodiment, as Figure 1 - Figure 2 shown, the opening and use process of the safety door is disclosed;

[0033] A fixed base 1 and a car wall 2 fixedly installed at the upper end of the fixed base 1;

[0034] A hidden door 3 is rotatably installed inside the car wall 2, and a safety passage 4 is provided inside the car wall 2. Moreover, the safety passage 4 is located on the side of the hidden door 3 close to the car wall 2. A handrail rod 5 is fixedly installed on the outer sides of the car wall 2 and the hidden door 3. A controller 6 is fixedly installed on the outer side of the car wall 2, and a detent pin 7 is arranged inside the hidden door 3.

[0035] When using this car wall invisible rescue safety door, the trapped people inside the elevator can be rescued by opening the hidden door 3. At this time, it is necessary to make the sliding plate 8 slide downward and make the trigger 14 exposed. Then, press the button outside the trigger 14, and the detent pin 7 can be automatically separated from the car wall 2 (the trigger 14 controls the separation of the detent pin 7 from the car wall 2, which is a prior art and will not be elaborated here). At this time, the hidden door 3 can be pulled open through the handrail rod 5 on the outer side of the hidden door 3, so that the trapped people inside the elevator can evacuate through the safety passage 4, completing the use process of this rescue safety door, thereby improving the safety of using this rescue safety door.

[0036] In one of the specific embodiments, as Figure 1 - Figure 5 shown, the problem of preventing accidental opening of the safety door is solved;

[0037] A protection structure is arranged inside the hidden door 3, and the protection structure can achieve the effect of preventing the hidden door 3 from being accidentally opened;

[0038] A sliding plate 8 is arranged inside the protection structure, and the sliding plate 8 is slidably installed inside the hidden door 3. Moreover, two sets of engaging grooves 9 are provided on the outer side of the sliding plate 8, and the engaging grooves 9 are located inside the hidden door 3;

[0039] A connecting rope 10 is fixedly installed on the outer side of the hidden door 3, and a weight 11 is fixedly installed at one end of the connecting rope 10 away from the sliding plate 8. Moreover, the weight 11 is located inside the hidden door 3, and the weight 11 is slidably connected to the hidden door 3;

[0040] Two sets of engaging blocks 12 are slidably installed inside the hidden door 3, and one end of the engaging block 12 close to the sliding plate 8 is in a pointed structure. A support spring 13 is fixedly installed at the end of the engaging block 12 away from the sliding plate 8, and the support spring 13 is located inside the hidden door 3.

[0041] The engaging block 12 is engaged with the engaging groove 9, and the engaging block 12 and the engaging groove 9 are correspondingly arranged. A trigger 14 is fixedly installed inside the hidden door 3, and the trigger 14 is located on the side of the sliding plate 8 close to the hidden door 3.

[0042] When using the invisible rescue safety door of the car wall, during the downward sliding process of the sliding plate 8, the sliding plate 8 will pull the two sets of weight blocks 11 upward through the connecting rope 10, and the weight blocks 11 will move upward inside the hidden door 3. At this time, the trigger 14 will be exposed. And during the downward movement of the sliding plate 8, the engaging groove 9 and the engaging block 12 will appear on the same horizontal line. At this time, the contracted support spring 13 will expand and push the engaging block 12 to move. The engaging block 12 will be engaged with the engaging groove 9 to limit the sliding plate 8, so as to limit the sliding plate 8 in this position to avoid affecting the use of the trigger 14 button. After the trapped person completes the evacuation through the safety passage 4, maintenance and care of the elevator are required. At this time, pushing the sliding plate 8 upward can separate the engaging groove 9 from the engaging block 12, and the weight block 11 will also move to the initial position, thus completing the use process of the sliding plate 8, and effectively avoiding the effect of the trigger 14 being accidentally touched.

[0043] On the basis of the above embodiments, as Figure 1 - Figure 2 and Figure 5 - Figure 7 shown, the process of automatic opening of the safety door is disclosed;

[0044] An opening structure is provided inside the car wall 2, and the opening structure can achieve the effect of automatically opening the hidden door 3;

[0045] A telescopic rod 15 is provided inside the opening structure. The telescopic rod 15 is fixedly installed inside the car wall 2, and a strong spring 16 is sleeved outside the telescopic rod 15. A connecting block 17 is fixedly installed at the telescopic end of the telescopic rod 15;

[0046] A push rod 18 is rotatably installed inside the connecting block 17, and one end of the push rod 18 away from the connecting block 17 is rotatably connected to the hidden door 3.

[0047] When using the invisible rescue safety door of the car wall, after the pull pin 7 is separated from the car wall 2, the contracted telescopic rod 15 and the strong spring 16 will expand. At this time, the telescopic rod 15 will push the connecting block 17 to move. During the movement of the connecting block 17, it will push the push rod 18 to rotate. And during the rotation of the push rod 18, it will push the hidden door 3 to separate from the car wall 2. At this time, the hidden door 3 will automatically separate from the safety passage 4, facilitating the escape of the trapped personnel, thus facilitating the guarantee of the convenience of personnel escape and increasing the overall practicability.

[0048] The content not detailedly described in this specification belongs to the prior art well-known to those skilled in the art.

[0049] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A car wall invisible rescue safety door, comprising a fixed base (1) and a car wall (2) fixedly mounted on the upper end of the fixed base (1); Features: The invention also comprises: a hidden door (3) is rotatably installed inside the car wall (2), a safety passage (4) is opened inside the car wall (2), and the safety passage (4) is located on a side of the hidden door (3) close to the car wall (2); a support rod (5) is fixedly installed on the outside of the car wall (2) and the hidden door (3); a controller (6) is fixedly installed on the outside of the car wall (2); a pull pin (7) is arranged inside the hidden door (3); an opening structure is arranged inside the car wall (2), and the opening structure can realize automatic opening of the hidden door (3); A protective structure is provided inside the hidden door (3), and the protective structure can prevent the hidden door (3) from being accidentally opened.

2. The car wall invisible rescue safety door according to claim 1, characterized in that: A sliding plate (8) is provided inside the protective structure, and the sliding plate (8) is slidably installed inside the hidden door (3), and two groups of engaging grooves (9) are provided on the outside of the sliding plate (8), and the engaging grooves (9) are located inside the hidden door (3).

3. The car wall invisible rescue safety door according to claim 1, characterized in that: A connecting rope (10) is fixedly mounted on the outer side of the hidden door (3), and a weight block (11) is fixedly mounted on one end of the connecting rope (10) away from the sliding plate (8), and the weight block (11) is located inside the hidden door (3), and the weight block (11) is slidably connected to the hidden door (3).

4. The car wall invisible rescue safety door according to claim 1, characterized in that: Two groups of snap-fit ​​blocks (12) are slidably mounted inside the hidden door (3), and one end of the snap-fit ​​block (12) close to the sliding plate (8) is a pointed structure, and one end of the snap-fit ​​block (12) away from the sliding plate (8) is fixedly mounted with a support spring (13), and the support spring (13) is located inside the hidden door (3).

5. The car wall invisible rescue safety door according to claim 4, characterized in that: The engaging block (12) is engaged with the engaging groove (9), and the engaging block (12) and the engaging groove (9) are arranged correspondingly. A trigger (14) is fixedly installed inside the hidden door (3), and the trigger (14) is located on a side of the sliding plate (8) close to the hidden door (3).

6. The car wall invisible rescue safety door according to claim 1, characterized in that: A telescopic rod (15) is arranged inside the opening structure, the telescopic rod (15) is fixedly mounted inside the car wall (2), a strong spring (16) is sleeved on the outside of the telescopic rod (15), and a connecting block (17) is fixedly mounted on the telescopic end of the telescopic rod (15).

7. The car wall invisible rescue safety door according to claim 6, characterized in that: A push rod (18) is rotatably mounted inside the connection block (17), and one end of the push rod (18) away from the connection block (17) is rotatably connected to the hidden door (3).

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