Elevator safety protection device

Abstract

The utility model belongs to the technical field of elevators, and particularly relates to an elevator safety protection device which comprises an elevator shaft, the elevator shaft is provided with an elevator car through a supporting piece, the lower end of the elevator car is fixedly connected with a first impact plate, and a base of the elevator shaft is in contact with an installation base. Fixing lugs are fixedly connected to the left side and the right side of the mounting seat, bolts are movably connected to the interiors of the fixing lugs, the bolts are in threaded connection with a base of the elevator shaft, clamping grooves are formed in the surfaces of the bolts, and end plates are in contact with the end faces of the sides, away from the bolts, of the fixing lugs. According to the scheme, through the arrangement of the first impact plate and the second impact plate, rigid impact can be conducted on the elevator car falling accidentally, under the action of structures such as the first hinge seat, the second hinge seat, the hinge plate, the first spring and the second spring, the impact force can be released, then the elevator car is effectively protected, and the rigid impact problem of the elevator car is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of elevators, and in particular relates to an elevator safety protection device. Background Art

[0002] Elevator safety devices are devices that are set up to ensure the safety of passengers and maintenance personnel during the operation of the elevator. The function of elevator safety devices is to ensure the safety of the elevator during operation, reduce the possibility of accidents, and protect the lives and property of passengers and maintenance personnel. At the same time, elevators also need regular maintenance and inspection to ensure the normal operation of these safety devices.

[0003] In the utility model patent with the patent authorization announcement number CN208103638U, an elevator safety protection device is disclosed, including a base, a top plate is fixedly installed on the upper outer surface of the base, and a buffer groove is opened inside the base, an equalizing plate is arranged inside the buffer groove, and a second spring seat is fixedly installed on the bottom outer surface of the equalizing plate, a first spring seat is fixedly connected to the bottom inner surface of the base, and a first buffer spring is arranged between the first spring seat and the second spring seat, a connecting column is fixedly connected to the upper outer surface of the equalizing plate, and a fixing plate is fixedly connected to the top outer surface of the connecting column, a support plate is fixedly installed on the upper outer surface of the fixing plate, and a limited stopper is arranged on the upper end of the base. The utility model has a simple structure, can minimize the discomfort caused by people when taking the elevator, improve the comfort of the elevator, and can provide people with a stable elevator environment, effectively avoid the occurrence of unexpected situations, and has strong practicality.

[0004] However, the existing elevator safety protection device also has certain shortcomings. Although the existing elevator safety protection device uses bolts and other structures to fix the mounting base to ensure the subsequent spring and other structures, due to the influence of external factors such as vibration, long-term use will cause the bolts to loosen. Summary of the invention

[0005] The utility model aims to provide an elevator safety protection device, which solves the problem that although the existing elevator safety protection device uses bolts and other structures to fix the mounting base to ensure the subsequent spring and other structures, due to the influence of external factors such as vibration, long-term use may cause the bolts to loosen.

[0006] In order to achieve the above-mentioned purpose, the utility model provides an elevator safety protection device, including an elevator shaft, wherein the elevator shaft is provided with an elevator car through a support member, the lower end of the elevator car is fixedly connected with an impact plate, the base of the elevator shaft contacts with a mounting seat, the left and right sides of the mounting seat are fixedly connected with fixing ears, the inside of the fixing ears is movably connected with bolts, the bolts are connected to the base of the elevator shaft by threads, a card slot is provided on the surface of the bolt, the end face of the fixing ear away from the bolt side contacts with an end plate, the end plate is slidably connected to the base of the elevator shaft, the end face of the end plate close to the bolt side is fixedly connected with a connecting frame, the connecting frame is slidably connected to the fixing ear, the end face of the connecting frame close to the bolt side is fixedly connected with a clamping plate, the clamping plate is slidably connected to the clamping slot, and an elastic sleeve is provided on the outer side of the clamping plate.

[0007] The principle of the utility model is: by pulling the end plate to move away from the mounting seat, the connecting frame is driven to move, the elastic sleeve is deformed, and the clamping plate is driven to move, and then the bolt is pushed through the fixing ear, so that the bolt contacts the base of the elevator shaft, the bolt is rotated, so that the bolt performs a threaded movement, and then the bolt is fixed, and the end plate is loosened to restore the elastic sleeve to its deformation, so that the clamping plate is pulled to insert into the clamping slot, and the bolt is inserted and limited, so that the bolt is placed stably, the problem of vibration loosening of the bolt is avoided, and the fixing ear drives the mounting seat to be permanently stable;

[0008] When the elevator car falls unexpectedly, the impact plate 1 can be driven to move, and finally the impact plate 1 contacts the impact plate 2, and the spring 2 is deformed. Under the impact of the force, and in conjunction with the hinged relationship between the hinge plate and the hinge seat 2 and the hinge seat 1, the hinge plate is deflected to push the moving cylinder to slide along the surface of the guide rod, and drive the slider to slide along the inner wall of the guide rod to ensure the stable movement of the moving cylinder. The spring 1 is deformed, and the impact force can be released through the deformation of the spring 1 and the spring 2, thereby protecting the elevator car.

[0009] The beneficial effect of the utility model is that the present invention can fix the fixing ear and then lock the mounting seat through the setting of the bolt, and the bolt can be inserted and limited under the action of the card slot, the card plate, the elastic sleeve and other structures to avoid the problem of bolt loosening, so as to ensure the long-term stability of the mounting seat, and the setting of the impact plate 1 and the impact plate 2 can perform a rigid impact on the elevator car that falls accidentally, and under the action of the articulated seat 1, the articulated seat 2, the articulated plate, the spring 1, the spring 2 and other structures, the impact force can be released, and then the elevator car can be effectively protected to avoid the problem of rigid impact of the elevator car.

[0010] Furthermore, there are a plurality of the card slots, which are arranged in a circular array on the bolt. The provision of the card slots facilitates plug-in use with the card plate.

[0011] Furthermore, one end of the elastic sleeve is bonded to the connecting frame, and the other end of the elastic sleeve is bonded to the fixing ear. By setting the elastic sleeve, the connecting frame can be connected for use.

[0012] Furthermore, a guide rod is fixedly connected to the inside of the mounting seat, a slider is slidably connected to the inside of the guide rod, a moving cylinder is fixedly sleeved on the outside of the slider, the moving cylinder is slidably connected to the guide rod, a spring 1 is provided on the outside of the guide rod, an articulated seat 1 is fixedly connected to the upper side of the moving cylinder, the articulated seat 1 is hinged to an articulated plate through an articulated shaft 1, the articulated plate is hinged to an articulated seat 2 through an articulated shaft 2, an impact plate 2 is fixedly connected to the upper end of the articulated seat 2, and the impact plate 2 can be made to perform normal impact movement through the coordinated use of structures such as the articulated seat 1, the articulated seat 2, and the articulated plate, and the impact plate 2 can be released by the deformation effect of the spring 1 to achieve a good protection effect.

[0013] Furthermore, two guide rods are provided, and the two guide rods are symmetrically distributed on the mounting seat. The provision of the guide rods can ensure the normal movement of the moving cylinder.

[0014] Furthermore, one end of the spring one is welded to the mounting seat, and the other end of the spring one is welded to the moving cylinder. Through the setting of the spring one, the moving cylinder can be tightened.

[0015] Furthermore, a second spring is welded to the middle of the lower end of the second impact plate, and the other end of the second spring is welded to the mounting seat. Through the provision of the second spring, the impact force can be released for use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional diagram of the overall structure of the elevator safety protection device according to an embodiment of the present invention;

[0017] Figure 2 The elevator safety protection device of the embodiment of the present invention Figure 1 A bottom-up stereogram of

[0018] Figure 3 The elevator safety protection device of the embodiment of the present invention Figure 1 A front cross-sectional view of

[0019] Figure 4 The elevator safety protection device of the embodiment of the present invention Figure 3 Enlarged view of bolts;

[0020] Figure 5 The elevator safety protection device of the embodiment of the present invention Figure 3 Enlarged view of point A. DETAILED DESCRIPTION

[0021] The following is further described in detail through specific implementation methods:

[0022] The figure marks in the drawings of the specification include: elevator shaft 1, elevator car 2, impact plate 1, mounting seat 4, fixing ear 5, bolt 6, slot 7, end plate 8, connecting frame 9, clamping plate 10, elastic sleeve 11, guide rod 12, slider 13, moving cylinder 14, spring 15, hinge seat 1 16, hinge plate 17, hinge seat 2 18, impact plate 2 19, spring 2 20.

[0023] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 As shown, the present embodiment provides an elevator safety protection device, including an elevator shaft 1, wherein the elevator shaft 1 is provided with an elevator car 2 through a support member, an impact plate 3 is fixedly connected to the lower end of the elevator car 2, the base of the elevator shaft 1 contacts with a mounting seat 4, and the left and right sides of the mounting seat 4 are fixedly connected with fixing ears 5, and the inside of the fixing ears 5 is movably connected with bolts 6, and the bolts 6 are connected to the base of the elevator shaft 1 through threads, and a slot 7 is provided on the surface of the bolt 6, and the end face of the fixing ear 5 away from the bolt 6 contacts with an end plate 8, and the end plate 8 is slidably connected to the base of the elevator shaft 1, and the end face of the end plate 8 close to the bolt 6 is fixedly connected with a connecting frame 9, and the connecting frame 9 is slidably connected to the fixing ear 5, and the end face of the connecting frame 9 close to the bolt 6 is fixedly connected with a clamping plate 10, and the clamping plate 10 is slidably connected to the clamping slot 7, and an elastic sleeve 11 is provided on the outer side of the clamping plate 10.

[0024] like Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, there are multiple card slots 7, which are arranged in a circular array on the bolt 6. The arrangement of the card slots 7 facilitates the use of the card plate 10 for plugging. One end of the elastic sleeve 11 is bonded to the connecting frame 9, and the other end of the elastic sleeve 11 is bonded to the fixing ear 5. Through the arrangement of the elastic sleeve 11, the connecting frame 9 can be connected for use.

[0025] like Figure 1 , Figure 2 , Figure 3 , Figure 5As shown, the inside of the mounting seat 4 is fixedly connected with a guide rod 12, the inside of the guide rod 12 is slidably connected with a slider 13, the outer side of the slider 13 is fixedly sleeved with a moving cylinder 14, the moving cylinder 14 is slidably connected to the guide rod 12, a spring 15 is arranged on the outer side of the guide rod 12, the upper side of the moving cylinder 14 is fixedly connected with an articulated seat 16, the articulated seat 16 is hinged with an articulated plate 17 through an articulated shaft 1, the articulated plate 17 is hinged with an articulated seat 2 18 through an articulated shaft 2, the upper end of the articulated seat 2 18 is fixedly connected with an impact plate 2 19, through the coordinated use of structures such as the articulated seat 16, the articulated seat 2 18, and the articulated plate 17, the impact plate 2 19 can perform normal impact movement, and with the deformation effect of the spring 15, the impact force can be released to achieve a good protective effect.

[0026] like Figure 1 , Figure 2 , Figure 3 , Figure 5 As shown, two guide rods 12 are provided, and the two guide rods 12 are symmetrically distributed on the mounting seat 4. Through the provision of the guide rods 12, the normal movement of the moving cylinder 14 can be guaranteed, one end of the spring 15 is welded to the mounting seat 4, and the other end of the spring 15 is welded to the moving cylinder 14. Through the provision of the spring 15, the moving cylinder 14 can be tightened, and a spring 20 is welded to the middle part of the lower end of the impact plate 19, and the other end of the spring 20 is welded to the mounting seat 4. Through the provision of the spring 20, the impact force can be released.

[0027] The specific implementation process of the utility model is as follows: by pulling the end plate 8 to move away from the mounting seat 4, the connecting frame 9 is driven to move, the elastic sleeve 11 is deformed, and the clamping plate 10 is driven to move, and then the bolt 6 is pushed through the fixing ear 5, so that the bolt 6 contacts the base of the elevator shaft 1, and the bolt 6 is rotated to make the bolt 6 do a threaded movement, thereby fixing the bolt 6, and loosening the end plate 8 to make the elastic sleeve 11 recover its deformation, so as to pull the clamping plate 10 to insert into the clamping slot 7, and insert and limit the bolt 6, so that the bolt 6 is stably placed, and the problem of the bolt 6 loosening due to vibration is avoided, so that the fixing ear 5 drives the mounting seat 4 to be permanently stable;

[0028] When the elevator car 2 falls unexpectedly, the impact plate 13 can be driven to move, and finally the impact plate 13 contacts the impact plate 2 19, and the spring 2 20 is deformed. Under the impact of the force, and in conjunction with the hinged relationship between the hinge plate 17 and the hinge seat 2 18 and the hinge seat 1 16, the hinge plate 17 is deflected to push the moving cylinder 14 to slide along the surface of the guide rod 12, and drive the slider 13 to slide along the inner wall of the guide rod 12 to ensure the stable movement of the moving cylinder 14, and the spring 15 is deformed. Through the deformation of the spring 15 and the spring 20, the impact force can be released, and then the elevator car 2 is protected.

[0029] The present solution can fix the fixing ear 5 and further lock the mounting seat 4 by setting the bolt 6. Under the action of the slot 7, the card plate 10, the elastic sleeve 11 and other structures, the bolt 6 can be inserted and limited to avoid the loosening of the bolt 6, so as to ensure the long-term stability of the mounting seat 4. Through the setting of the impact plate 1 3 and the impact plate 2 19, the elevator car 2 that accidentally falls can be subjected to a rigid impact. In combination with the action of the articulated seat 1 16, the articulated seat 2 18, the articulated plate 17, the spring 15, the spring 2 20 and other structures, the impact force can be released, thereby effectively protecting the elevator car 2 and avoiding the problem of rigid impact of the elevator car 2.

[0030] It should be noted in advance that, in the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] The above is only an embodiment of the present invention, and the common knowledge such as the known specific structure and characteristics in the scheme is not described in detail here. It should be pointed out that for those skilled in the art, several deformations and improvements can be made without departing from the structure of the present invention, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicality of the patent. The scope of protection required by this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to interpret the content of the claims.

Claims

1. An elevator safety protection device, comprising an elevator shaft, characterized in that: The elevator shaft is provided with an elevator car through a support, the lower end of the elevator car is fixedly connected with an impact plate 1, the base of the elevator shaft contacts with a mounting seat, the left and right sides of the mounting seat are fixedly connected with fixing ears, the inside of the fixing ears is movably connected with bolts, the bolts are threadedly connected to the base of the elevator shaft, a slot is provided on the surface of the bolt, the end face of the fixing ear away from the bolt contacts with an end plate, the end plate is slidably connected to the base of the elevator shaft, the end face of the end plate close to the bolt side is fixedly connected with a connecting frame, the connecting frame is slidably connected to the fixing ear, the end face of the connecting frame close to the bolt side is fixedly connected with a clamping plate, the clamping plate is slidably connected to the clamping slot, and an elastic sleeve is provided on the outer side of the clamping plate.

2. The elevator safety protection device according to claim 1, characterized in that: There are a plurality of the clamping slots, which are arranged in a circular array on the bolt.

3. The elevator safety protection device according to claim 1, characterized in that: One end of the elastic sleeve is bonded to the connecting frame, and the other end of the elastic sleeve is bonded to the fixing ear.

4. The elevator safety protection device according to claim 1, characterized in that: A guide rod is fixedly connected to the inside of the mounting seat, a slider is slidably connected to the inside of the guide rod, a moving cylinder is fixedly sleeved on the outside of the slider, the moving cylinder is slidably connected to the guide rod, a spring is provided on the outside of the guide rod, an articulated seat 1 is fixedly connected to the upper side of the moving cylinder, the articulated seat 1 is hinged to an articulated plate through an articulated shaft 1, the articulated plate is hinged to an articulated seat 2 through an articulated shaft 2, and an impact plate 2 is fixedly connected to the upper end of the articulated seat 2.

5. The elevator safety protection device according to claim 4, characterized in that: Two guide rods are provided, and the two guide rods are symmetrically distributed on the mounting seat.

6. The elevator safety protection device according to claim 4, characterized in that: One end of the spring 1 is welded to the mounting seat, and the other end of the spring 1 is welded to the moving cylinder.

7. The elevator safety protection device according to claim 4, characterized in that: A second spring is welded to the middle of the lower end of the second impact plate, and the other end of the second spring is welded to the mounting seat.

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