A hydraulic shock absorber for elevator car top

Abstract

The utility model discloses a hydraulic shock absorber for an elevator car top, relates to the technical field of elevator car top shock absorbers, and solves the problem that when the shock absorbing device is installed, the upper end and the bottom of the hydraulic shock absorber need to be fixedly connected between the top surface of the car and the top plate respectively, and a plurality of shock absorbing pads are installed around by fixing bolts, resulting in the problem that when the hydraulic shock absorber is installed, the shock absorbing pad needs to be disassembled so that the hydraulic shock absorber can be disassembled, repaired and installed, making the repair work of the hydraulic shock absorber inconvenient. The utility model comprises a car top plate and a connecting plate, and hydraulic shock absorbers are symmetrically arranged between the two ends of the car top plate and the connecting plate. The hydraulic shock absorber can be conveniently installed between the car top plate and the connecting plate through the cooperation between the first sliding block, the second sliding block and the sliding groove, and at the same time, it can be inserted through the adjacent first sliding block and the second sliding block, so that the position of the hydraulic shock absorber can be conveniently stabilized.

Description

Technical Field

[0001] The utility model relates to the technical field of elevator car top shock absorbers, in particular to an elevator car top hydraulic shock absorber. Background Art

[0002] In the process of using the elevator, in order to prevent the car from moving up and down, the shock-absorbing pad is used to cooperate with the hydraulic shock absorber to perform shock absorption. After searching, the patent with the announcement number of CN205061261U discloses an elevator car top hydraulic shock absorber, including a cylinder body, a cylinder head, a piston and a return spring. The cylinder body has a containing space, and the containing space is filled with hydraulic oil. The cylinder head is installed at the top of the cylinder body. The piston is arranged in the cylinder body. The piston includes a piston body and a piston rod. The piston body and the piston rod are connected by threads. The sealing ring is sleeved at the lower part of the piston body. The piston rod passes through the cylinder head and is connected with a locking mechanism. The return spring is sleeved on the piston rod. The utility model has a simple structure and a reasonable design. By filling the cylinder body with hydraulic oil, an O-type rubber sealing ring is sleeved at the lower part of the piston body and a return spring is arranged above the piston body, the vibration effect of the elevator traction system on the car can be well alleviated, and the car top wheel device can be rotated in any direction, so that it can maintain a good shock absorption effect, so that it is suitable for installation on elevators with higher movement speeds. However, when the shock absorbing device is installed, the upper end and the bottom of the hydraulic shock absorber need to be fixedly connected between the car roof and the top surface connecting plate respectively, and a plurality of shock absorbing pads are installed around them through fixing bolts. As a result, when the hydraulic shock absorber is installed, the shock absorbing pads need to be removed before the hydraulic shock absorber can be disassembled, inspected and installed, making the inspection and maintenance of the hydraulic shock absorber inconvenient. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a hydraulic shock absorber for an elevator car roof, which solves the problem that when the shock absorbing device is installed, the upper end and the bottom of the hydraulic shock absorber need to be fixedly connected between the top surface of the car and the top plate respectively, and multiple shock absorbing pads are installed around them through fixing bolts, resulting in the need to remove the shock absorbing pads before the hydraulic shock absorber can be disassembled, inspected and installed, making the inspection and maintenance of the hydraulic shock absorber inconvenient.

[0004] To achieve the above objectives, the utility model is implemented through the following technical solutions: an elevator car top hydraulic shock absorber, including a car top plate and a connecting plate, hydraulic shock absorbers are symmetrically arranged between the two ends of the car top plate and the connecting plate, the upper end and the lower end of the hydraulic shock absorber are respectively fixedly connected with a first slider and a second slider, and the top surface of the car top plate and the bottom surface of the connecting plate are symmetrically arranged inside both sides of the slide groove, and the first slider and the second slider are respectively slidably connected to the inside of the slide groove through the hydraulic shock absorber.

[0005] Preferably, the left side walls of the car top plate and the connecting plate are symmetrically fixed with threaded tubes, and the interiors of the car top plate and the connecting plate are symmetrically slidably connected with plug rods, the plug rods respectively penetrate the interiors of the car top plate and the connecting plate, and respectively penetrate the interiors of the first slider and the second slider, and the left ends of the plug rods are connected to the interior of the threaded tube by respectively penetrating the interiors of the car top plate and the connecting plate, the left end rod walls of the plug rods are provided with threads, and the left ends of the plug rods are threadedly connected to the interior of the threaded tube through threads, thereby facilitating fixing the position of the hydraulic shock absorber.

[0006] Preferably, balls are rotatably connected inside the bottom surface of the first slider and inside the top surface of the second slider, and connecting grooves are provided inside the side walls of the slide grooves, the diameter of the connecting grooves is equal to the diameter of the balls, and the balls are slidably connected to the inside of the connecting grooves through the first slider and the second slider, thereby strengthening the stability of the hydraulic shock absorber position through the balls.

[0007] Preferably, the side walls of the first slider and the second slider are respectively fixedly connected with a second fixing rod and a first fixing rod, the second fixing rod is smaller than the first fixing rod, the second fixing rod passes through the interior of the first fixing rod, and are slidably connected to each other, so that the hydraulic shock absorber can be conveniently taken through the first fixing rod and the second fixing rod.

[0008] Preferably, the second fixing rod and the first fixing rod are both L-shaped, so that the distance between the side walls of the first fixing rod and the second fixing rod and the side wall of the hydraulic device can be taken by the hands of the staff to prevent obstruction to the hands of the staff.

[0009] Preferably, the right end of the insertion rod is cross-shaped, thereby facilitating the rotation of the insertion rod.

[0010] The utility model provides a hydraulic shock absorber for an elevator car top, which has the following beneficial effects:

[0011] 1. When the hydraulic shock absorber on the top of an elevator car is used, the hydraulic shock absorber can be conveniently installed between the top plate of the car and the connecting plate by cooperating between the first slider, the second slider and the slide groove, and at the same time, the position of the hydraulic shock absorber can be conveniently stabilized by inserting a rod through the adjacent first slider and the second slider;

[0012] 2. When the elevator car top hydraulic shock absorber is in use, the cooperation between the set ball and the connecting groove can conveniently allow the ball to enter the interior of the connecting groove under the tension of the hydraulic shock absorber, thereby enhancing the stability of the position of the hydraulic shock absorber. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 It is a side view of the utility model;

[0015] Figure 3 This is a schematic diagram of the chute structure of the utility model;

[0016] Figure 4 This is a schematic diagram of the structure of the hydraulic shock absorber of the utility model.

[0017] In the figure, 1-car top plate, 2-connecting plate, 3-hydraulic shock absorber, 4-slide groove, 5-threaded tube, 6-first fixed rod, 7-second fixed rod, 8-first slider, 9-insertion rod, 10-thread, 11-connecting groove, 12-second slider, 13-ball. DETAILED DESCRIPTION

[0018] 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.

[0019] Example 1

[0020] See also Figure 1-4 The embodiment of the utility model provides an elevator car top hydraulic shock absorber, including a car top plate 1 and a connecting plate 2, hydraulic shock absorbers 3 are symmetrically arranged between the two ends of the car top plate 1 and the connecting plate 2, the upper end and the lower end of the hydraulic shock absorber 3 are respectively fixedly connected with a first slider 8 and a second slider 12, and the top surface of the car top plate 1 and the bottom surface of the connecting plate 2 are symmetrically arranged inside the two sides of the slide groove 4, the first slider 8 and the second slider 12 are respectively slidably connected to the inside of the slide groove 4 through the hydraulic shock absorber 3. When the hydraulic shock absorber 3 is installed, the first slider 8 and the second slider 12 at the upper and lower ends of the hydraulic shock absorber 3 are respectively slidably connected to the inside of the slide groove 4. Under the action of the tension of the hydraulic shock absorber 3, the first slider 8 and the second slider 12 can be conveniently pressed against the side walls of the car top plate 1 and the connecting plate 2 respectively, which is not only convenient for the installation of the hydraulic shock absorber 3, but also convenient for disassembly, so that the hydraulic shock absorber 3 is easy to take.

[0021] Example 2

[0022] In this embodiment, Figure 1-4As shown, the left side walls of the car top plate 1 and the connecting plate 2 are symmetrically fixed with threaded tubes 5, and the interiors of the car top plate 1 and the connecting plate 2 are symmetrically slidably connected with plug rods 9, which respectively penetrate the interiors of the car top plate 1 and the connecting plate 2, and respectively penetrate the interiors of the first slider 8 and the second slider 12, and the left ends of the plug rods 9 are respectively connected to the interiors of the threaded tubes 5 by penetrating the interiors of the car top plate 1 and the connecting plate 2, and the left ends of the plug rods 9 are respectively connected to the interiors of the threaded tubes 5 by penetrating the interiors of the car top plate 1 and the connecting plate 2, and the left end of the plug rod 9 is provided with threads 10, and the left ends of the plug rods 9 are threadedly connected to the interiors of the threaded tubes 5 by the threads 10, and the right end of the plug rod 9 is cross-shaped. After the position of the hydraulic shock absorber 3 is installed, the plug rods 9 are respectively installed to the interiors of the car top plate 1 and the connecting plate 2, and the plug rods 9 respectively penetrate the interiors of the first slider 8 and the second slider 12, and then are threadedly connected to the interior of the threaded tube 5 by the threads 10. The components can ensure that the position of the plug rod 9 is firmly installed, and the position of the hydraulic shock absorber 3 can also be firmly installed.

[0023] Example 3

[0024] In this embodiment, Figure 1-4 As shown, balls 13 are rotatably connected inside the bottom surface of the first slider 8 and the top surface of the second slider 12, and connecting grooves 11 are provided inside the side walls of the slide groove 4. The diameter of the connecting grooves 11 is equal to the diameter of the balls 13. The balls 13 are slidably connected to the inside of the connecting grooves 11 through the first slider 8 and the second slider 12 respectively. After the first slider 8 and the second slider 12 are respectively connected to the inside of the slide groove 4, the balls 13 are respectively connected to the inside of the connecting grooves 11. Under the tensioning action of the hydraulic shock absorber 3, the balls 13 can be tightly connected to the inside of the connecting grooves 11, thereby enhancing the stability of the position of the hydraulic shock absorber 3.

[0025] Example 4

[0026] In this embodiment, Figure 1-4 As shown, the side walls of the first slider 8 and the second slider 12 are respectively fixedly connected with the second fixing rod 7 and the first fixing rod 6. The second fixing rod 7 is smaller than the first fixing rod 6, and the second fixing rod 7 runs through the inside of the first fixing rod 6. The second fixing rod 7 and the first fixing rod 6 are both L-shaped and slidably connected to each other. When taking the hydraulic shock absorber 3, the staff can hold the middle of the first fixing rod 6 and the second fixing rod 7 to facilitate the taking of the hydraulic shock absorber 3.

[0027] It should be noted that in this embodiment, when the elevator car top hydraulic shock absorber is used, Figure 1-4As shown, when taking the hydraulic shock absorber 3, the staff holds the middle of the first fixing rod 6 and the second fixing rod 7, and when placing the hydraulic shock absorber 3, the first slider 8 and the second slider 12 at the upper and lower ends of the hydraulic shock absorber 3 are respectively slidably connected to the inside of the slide groove 4. Under the action of the tension of the hydraulic shock absorber 3, the first slider 8 and the second slider 12 can be easily pressed against the side walls of the car roof 1 and the connecting plate 2 respectively. After the position of the hydraulic shock absorber 3 is installed, the plug rods 9 are respectively installed into the inside of the car roof 1 and the connecting plate 2. , and the insertion rod 9 passes through the inside of the first slider 8 and the second slider 12 respectively, and then is threadedly connected to the inside of the threaded tube 5 through the thread 10. The component can make the position of the insertion rod 9 stable and can also make the position of the hydraulic shock absorber 3 stable. After the first slider 8 and the second slider 12 are respectively connected to the inside of the slide groove 4, the ball 13 is respectively connected to the inside of the connecting groove 11. Under the tensioning action of the hydraulic shock absorber 3, the ball 13 can be tightly connected to the inside of the connecting groove 11, thereby enhancing the stability of the position of the hydraulic shock absorber 3.

[0028] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0029] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An elevator car top hydraulic shock absorber, characterized in that: The invention comprises a car top plate (1) and a connecting plate (2), wherein hydraulic shock absorbers (3) are symmetrically arranged between the two ends of the car top plate (1) and the connecting plate (2), wherein the upper end and the lower end of the hydraulic shock absorber (3) are respectively fixedly connected with a first slider (8) and a second slider (12), and slide grooves (4) are symmetrically arranged inside the top surface of the car top plate (1) and the bottom surface of the connecting plate (2), and the first slider (8) and the second slider (12) are respectively slidably connected to the inside of the slide groove (4) through the hydraulic shock absorber (3).

2. The elevator car top hydraulic shock absorber according to claim 1, characterized in that: The left side walls of the car top plate (1) and the connecting plate (2) are both symmetrically fixed with threaded tubes (5); the interiors of the car top plate (1) and the connecting plate (2) are both symmetrically slidably connected with plug rods (9); the plug rods (9) respectively penetrate the interiors of the car top plate (1) and the connecting plate (2), and respectively penetrate the interiors of the first slider (8) and the second slider (12); and the left ends of the plug rods (9) are respectively connected to the interior of the threaded tube (5) by penetrating the interiors of the car top plate (1) and the connecting plate (2); the left end rod wall of the plug rod (9) is provided with a thread (10); and the left end of the plug rod (9) is threadedly connected to the interior of the threaded tube (5) through the thread (10).

3. The elevator car top hydraulic shock absorber according to claim 1, characterized in that: The bottom surface of the first slider (8) and the top surface of the second slider (12) are both rotatably connected with a ball (13); the side walls of the slide groove (4) are each provided with a connecting groove (11); the diameter of the connecting groove (11) is equal to the diameter of the ball (13); and the ball (13) is slidably connected to the inside of the connecting groove (11) through the first slider (8) and the second slider (12), respectively.

4. The elevator car top hydraulic shock absorber according to claim 1, characterized in that: The side walls of the first sliding block (8) and the second sliding block (12) are respectively fixedly connected with a second fixing rod (7) and a first fixing rod (6); the second fixing rod (7) is smaller than the first fixing rod (6); the second fixing rod (7) passes through the interior of the first fixing rod (6) and is slidably connected to each other.

5. The elevator car top hydraulic shock absorber according to claim 4, characterized in that: The second fixing rod (7) and the first fixing rod (6) are both L-shaped.

6. The elevator car top hydraulic shock absorber according to claim 2, characterized in that: The right end of the insertion rod (9) is cross-shaped.

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