Elevator roof rushing prevention device

Abstract

The utility model discloses an elevator roof-rushing prevention device which comprises a top frame, a bottom frame fixedly connected to the bottom of the top frame, and notches formed in the two sides of the bottom frame. And the buffering assembly comprises a sliding plate, the sliding plate is slidably connected to the interior of the top frame, and the device is firstly installed at a proper position when the elevator car body makes contact with the triggering block upwards due to inertia. According to the device, firstly, the device is installed at a proper position, when an elevator car body makes contact with the triggering block upwards due to inertia, the sliding plate and the triggering block move upwards synchronously through the connecting rod, the primary buffering effect can be achieved through the two damping rods and the two buffering springs, and when the sliding plate continuously moves upwards due to the large inertia, the buffering effect is achieved. Secondary buffer protection can be carried out through the two spring pieces, in the buffer protection process, the rubber wheel makes contact with the trigger block through the torsional spring arranged at the rotating joint of the rubber wheel and the rotating rod, and the braking protection effect can be achieved synchronously.

Description

Technical Field

[0001] The utility model relates to the technical field of elevators, in particular to an elevator anti-top impact device. Background Art

[0002] An entrance and exit to the elevator car in the hoistway is provided in the elevator lobby (landing) of a building. As a door device provided at the entrance and exit, a pair of door panels are widely used to open and close in a double-opening manner. The door device is provided with a guide rail along the upper side of the entrance and exit, and a pair of door panels are suspended and supported by a door hanger having a door hanging pulley rotating on the guide rail. And, by the rotation of the door hanging pulley, the pair of door panels are opened and closed in a double-opening manner along the guide rail.

[0003] In the publication number CN205061262U, an elevator car device is disclosed, which includes a car and a car frame. The elevator car device also includes a pair of upper beam supports and a pair of lower beam supports. The pair of upper beam supports are respectively located at the two ends of the upper beam and are connected between the car top and the upper beam. The pair of lower beam supports are respectively located at the two ends of the lower beam and are connected between the car bottom and the lower beam. The utility model can improve the stability of the supporting structure of the car, which is beneficial to reduce structural vibration and noise generated by structural vibration. However, since the above-mentioned elevator car device does not have an anti-top impact device, the elevator car is easily hit by inertia during the ascent, which is easy to cause damage to the elevator itself, and also affects the stability of the passengers. Therefore, it is necessary to provide a new elevator anti-top impact device to solve the above-mentioned technical problems. Utility Model Content

[0004] The utility model aims to provide an elevator anti-top impact device, which has the advantages of brake stop and buffer protection and solves the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an elevator anti-top impact device, comprising: a top frame, the bottom of the top frame is fixedly connected to the bottom frame, and slots are provided on both sides of the bottom frame; a buffer component, the buffer component includes a sliding plate, and the sliding plate is slidably connected to the inside of the top frame. First, the device is installed in a suitable position. When the inertia of the elevator car body contacts the trigger block upward, the sliding plate is synchronized with the trigger block to move upward through the connecting rod. A primary buffering effect can be achieved through two damping rods and two buffer springs. When the inertia is large and the sliding plate continues to move upward, a secondary buffering protection can be performed through two spring sheets. During the buffering protection process, the torsion spring arranged at the rotation connection between the rubber wheel and the rotating rod makes the rubber wheel contact the trigger block, which can synchronously achieve the effect of braking protection.

[0006] Preferably, the buffer assembly further comprises two damping rods and two spring sheets, and the two damping rods and the two spring sheets are fixedly connected to the top of the sliding plate, and the two damping rods can provide a buffering effect when the entire sliding plate slides upward.

[0007] Preferably, the outsides of the two damping rods are both sleeved with buffer springs, and the tops of the two damping rods are both fixedly connected to the inside of the top end of the top frame. The combined use of the buffer springs and the damping rods can improve the overall buffering protection effect.

[0008] Preferably, a connecting rod is fixedly connected to the bottom of the sliding plate, and a trigger block is fixedly connected to the bottom of the connecting rod. The connecting rod can play a linkage effect, so that when the trigger block is squeezed, the squeezing force can be synchronously transmitted to the sliding plate.

[0009] Preferably, rubber blocks are fixedly connected to the outside of both sides of the trigger block, and the outside of the rubber block is evenly provided with ridge grooves.

[0010] Preferably, two rotating rods are fixedly connected to the inside of the two notches, and rubber wheels are rotatably connected to the outside of the rotating rods. The rubber wheels are in contact with the rubber blocks, which can make the rubber wheels rotate and improve the force dispersion effect.

[0011] Preferably, a torsion spring is provided at the rotation connection between the rubber wheel and the rotating rod, and an anti-slip sleeve is fixedly connected to the outside of the rubber wheel. When the rubber block contacts the rubber wheel, the rubber wheel can rotate, and the elastic force of the torsion spring can achieve a braking effect.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model first installs the device at a suitable position. When the elevator car body inertia contacts the trigger block upward, the sliding plate is synchronously moved upward with the trigger block through the connecting rod. The two damping rods and two buffer springs can play a primary buffering role. When the inertia is large and the sliding plate continues to move upward, the two spring sheets can provide secondary buffering protection.

[0014] Second, in the utility model, during the buffer protection process, the torsion spring provided at the rotation connection between the rubber wheel and the rotating rod enables the rubber wheel to contact the trigger block, thereby achieving a braking protection effect synchronously. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the external structure of an elevator anti-roofing device of the utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of the bottom frame of an elevator anti-roofing device of the utility model;

[0017] Figure 3 This is a schematic diagram of the internal structure of a top frame of an elevator anti-top impact device of the utility model;

[0018] Figure 4 The utility model is a schematic diagram of the external structure of a damping rod of an elevator anti-top impact device.

[0019] In the figure: 1, top frame; 2, bottom frame; 3, notch; 4, rotating rod; 5, rubber wheel; 6, trigger block; 7, rubber block; 8, connecting rod; 9, spring sheet; 10, damping rod; 11, buffer spring; 12, sliding plate. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figures 1 to 4 The utility model provides a technical solution: an elevator anti-top impact device, comprising: a top frame 1, a bottom frame 2 is fixedly connected to the top frame 1, and slots 3 are provided on both sides of the bottom frame 2; a buffer component, the buffer component comprises a sliding plate 12, and the sliding plate 12 is slidably connected to the inside of the top frame 1. First, the device is installed in a suitable position. When the inertia of the elevator car body contacts the trigger block 6 upward, the sliding plate 12 is synchronously triggered by the connecting rod 8. The sliding plate 12 is synchronously triggered by the trigger block 6. The two damping rods 10 and the two buffer springs 11 can play a primary buffering role. When the inertia is large and the sliding plate 12 continues to move upward, the two spring sheets 9 can perform secondary buffering protection. During the buffering protection process, the torsion spring arranged at the rotation connection between the rubber wheel 5 and the rotating rod 4 makes the rubber wheel 5 contact the trigger block 6, which can synchronously play a braking protection effect.

[0022] The buffer assembly also includes two damping rods 10 and two spring sheets 9. The two damping rods 10 and the two spring sheets 9 are fixedly connected to the top of the sliding plate 12. The two damping rods 10 can provide a buffering effect when the entire sliding plate 12 slides upward.

[0023] The outsides of the two damping rods 10 are both sleeved with buffer springs 11, and the tops of the two damping rods 10 are fixedly connected to the top inner part of the top frame 1. The combined use of the buffer springs 11 and the damping rods 10 can improve the overall buffer protection effect.

[0024] The bottom of the sliding plate 12 is fixedly connected with a connecting rod 8, and the bottom of the connecting rod 8 is fixedly connected with a trigger block 6. The connecting rod 8 can play a linkage effect, so that when the trigger block 6 is squeezed, the squeezing force can be synchronously transmitted to the sliding plate 12.

[0025] The outside of both sides of the trigger block 6 are fixedly connected with rubber blocks 7, and the outside of the rubber block 7 is evenly provided with ridge grooves.

[0026] When the elevator anti-top impact device is used, the device is first installed in a suitable position. When the elevator car body inertia contacts the trigger block 6 upward, the sliding plate 12 is synchronized with the trigger block 6 to move upward through the connecting rod 8. The two damping rods 10 and the two buffer springs 11 can play a primary buffering role. When the inertia is large and the sliding plate 12 continues to move upward, the two spring sheets 9 can perform secondary buffering protection.

[0027] See also Figures 1 to 4 The utility model provides a technical solution: an elevator anti-top impact device, wherein two rotating rods 4 are fixedly connected to the inside of two notches 3, and a rubber wheel 5 is rotatably connected to the outside of the rotating rod 4. The rubber wheel 5 and the rubber block 7 are in contact with each other, so that the rubber wheel 5 can rotate and improve the force dispersion effect.

[0028] A torsion spring is provided at the rotation connection between the rubber wheel 5 and the rotating rod 4, and an anti-slip sleeve is fixedly connected to the outside of the rubber wheel 5. When the rubber block 7 contacts the rubber wheel 5, the rubber wheel 5 can be rotated, and the elastic force of the torsion spring can play a braking role.

[0029] When the elevator anti-top impact device is in use, during the buffer protection process, the torsion spring arranged at the rotation connection between the rubber wheel 5 and the rotating rod 4 makes the rubber wheel 5 contact with the trigger block 6, which can synchronously play the role of brake protection.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An elevator anti-top impact device, characterized in that: include: A top frame (1), wherein the bottom of the top frame (1) is fixedly connected to a bottom frame (2), and notches (3) are provided on both sides of the bottom frame (2); A buffer assembly comprises a sliding plate (12), wherein the sliding plate (12) is slidably connected to the inside of the top frame (1).

2. The elevator anti-roofing device according to claim 1, characterized in that: The buffer assembly also includes two damping rods (10) and two spring sheets (9), and the two damping rods (10) and the two spring sheets (9) are fixedly connected to the top of the sliding plate (12).

3. The elevator anti-roofing device according to claim 2, characterized in that: The outsides of the two damping rods (10) are both sleeved with buffer springs (11), and the tops of the two damping rods (10) are both fixedly connected to the inside of the top end of the top frame (1).

4. The elevator anti-roofing device according to claim 1, characterized in that: The bottom of the sliding plate (12) is fixedly connected to a connecting rod (8), and the bottom of the connecting rod (8) is fixedly connected to a trigger block (6).

5. The elevator anti-roofing device according to claim 4, characterized in that: The outside of both sides of the trigger block (6) are fixedly connected to rubber blocks (7), and the outside of the rubber block (7) is evenly provided with ridge grooves.

6. The elevator anti-roofing device according to claim 1, characterized in that: Two rotating rods (4) are fixedly connected inside the two notches (3), and rubber wheels (5) are rotatably connected outside the rotating rods (4).

7. The elevator anti-roofing device according to claim 6, characterized in that: A torsion spring is provided at the rotation connection between the rubber wheel (5) and the rotating rod (4), and an anti-slip sleeve is fixedly connected to the outside of the rubber wheel (5).

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