Pull rod device for elevator maintenance

Abstract

The utility model discloses a pull rod device for elevator overhauling, and relates to the technical field of elevator overhauling auxiliary devices, the pull rod device comprises a connecting block arranged in an elevator sill groove, an annular handle is fixed to one end of the connecting block, a mounting hole is formed in the side wall of the connecting block in a penetrating mode, and a sliding block is arranged in the mounting hole in a sliding mode; a plurality of tooth grooves are formed in the end, close to the annular handle, of the sliding block, a mounting groove is formed in the end, close to the annular handle, of the connecting block, a positioning assembly used for fixing the position of the sliding block is arranged between the mounting groove and the tooth grooves, and a mounting block is integrally formed at one end of the sliding block; the mounting block and the connecting block are arranged in parallel, a connecting hole is formed in the side wall of the mounting block, and a limiting assembly is arranged on the connecting hole. The problem that when an elevator is maintained, a maintainer grabs the edge of a sill groove with two hands to enter and exit from a car roof, the friction force of the two hands is insufficient, and therefore hand slipping is likely to happen, and the falling risk exists is solved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of elevator maintenance auxiliary devices, in particular to a pull rod device for elevator maintenance. BACKGROUND

[0002] In daily life, an elevator is a vertical transportation tool, which is mainly used for transporting people and goods between floors of a building and provides convenience for production and life. The elevator comprises a hall door, a car, a sill groove and the like. The sill groove of the elevator cooperates with a sliding block of the elevator door to provide a guide and limiting action for operation of the elevator door. When the elevator needs to be maintained due to a fault, a maintenance worker sets a warning sign at an entrance of the elevator, and then stops the elevator at a position convenient for entering a roof of the car through a call button. The worker wears protective equipment meeting the requirements, and after confirming safety, the worker enters the roof to find a safe position to stand and hangs a safety rope at a lock hook of the roof to maintain the elevator.

[0003] In the prior art, when the roof is stopped at a certain distance from the ground during maintenance, the maintenance worker enters and exits the roof by holding the edge of the sill groove with the force of both hands. Since the sill groove is narrow, the friction of both hands is insufficient, which can easily cause hand slipping, and the maintenance worker can lose balance, thereby existing a falling risk. CONTENT OF THE UTILITY MODEL

[0004] In order to solve the problem that the maintenance worker enters and exits the roof by holding the edge of the sill groove with the force of both hands when maintaining the elevator, since the sill groove is narrow, the friction of both hands is insufficient, which can easily cause hand slipping, and the maintenance worker can lose balance, thereby existing a falling risk, the application provides a pull rod device for elevator maintenance.

[0005] The pull rod device for elevator maintenance provided by the application adopts the following technical scheme:

[0006] The pull rod device for elevator maintenance comprises a connecting block arranged in a sill groove of an elevator, one end of the connecting block is fixed with a ring-shaped handle, a mounting hole is formed through a side wall of the connecting block, a sliding block is arranged in the mounting hole, a plurality of tooth grooves are formed in one end of the sliding block close to the ring-shaped handle, an installation groove is formed in one end of the connecting block close to the ring-shaped handle, a positioning assembly for fixing the position of the sliding block is arranged between the installation groove and the tooth groove, an installation block is integrally formed at one end of the sliding block, the installation block is arranged in parallel with the connecting block, a connecting hole is formed in a side wall of the installation block, and a limiting assembly is arranged on the connecting hole.

[0007] By adopting the technical scheme, when the maintenance worker needs to get on or off the elevator car roof, the connecting block is first inserted into the elevator sill groove, then the mounting block is fixed on the sill side wall by using the limiting assembly, and then the position of the sliding block is fixed by using the positioning assembly, at this time the pull rod device is fixed in the sill groove, then the maintenance worker can hold the annular handle with one hand, so that the maintenance worker can safely and conveniently get on and off the elevator car roof, and the problem that when getting on and off the car roof by the way of holding the edge of the sill groove with both hands, the friction force of the hands is insufficient and the maintenance worker may lose balance, thereby there is a risk of falling is solved, and the positioning assembly can stably fix the sliding block in the mounting hole, and the limiting assembly can fix the pull rod device on the sill groove.

[0008] Optionally, the limiting assembly comprises a connecting bolt rotating in the connecting hole, and a hand wheel integrally formed at an end of the connecting bolt away from the connecting block, the connecting bolt being installed in the connecting hole through threads.

[0009] By adopting the technical scheme, the connecting bolt is rotated by the hand wheel during use, so that one end of the connecting bolt abuts against the side wall of the elevator sill, thereby fixing the pull rod device, and the hand wheel can realize quick installation and disassembly.

[0010] Optionally, the positioning assembly comprises a circular groove penetratingly formed in the mounting groove, and a limiting bolt installed in the circular groove, one end of the limiting bolt close to the sliding block being capable of abutting against the tooth groove.

[0011] By adopting the technical scheme, the limiting bolt is screwed after the sliding block is moved to a suitable position during use, so that the bottom end of the limiting bolt abuts against the tooth groove, thereby fixing the sliding block and limiting the movement of the sliding block, and the stability during use is ensured.

[0012] Optionally, the positioning assembly comprises a positioning hole penetratingly formed in the side wall of the connecting block close to one end of the annular handle, a pin shaft installed in the positioning hole, and a rotating block rotatably connected to the pin shaft, one side of the rotating block integrally forming a clamping block, the clamping block being capable of clamping the tooth groove.

[0013] By adopting the technical scheme, the rotating block is rotated along the pin shaft after the sliding block is moved to a suitable position during use, at this time the clamping block is clamped and fixed with the tooth groove, this structure can facilitate quick adjustment and fixation according to requirements, improve the convenience of operation, can effectively limit the movement of the sliding block, and fix the position of the sliding block, thereby enhancing the stability of the overall structure.

[0014] Optionally, one end of the pin shaft is provided with a clamping groove, and an open check ring is fixed on the clamping groove.

[0015] By adopting the technical scheme, the opening block is embedded into the clamping groove through elastic deformation, installation is convenient and reliable, and axial movement of the pin shaft can be effectively limited, thereby ensuring stability when the pin shaft is used.

[0016] Optionally, the clamping block and the tooth groove are both triangular, one side of the clamping block is provided with a first inclined surface, one side of the tooth groove is provided with a second inclined surface, the inclination of the first inclined surface is consistent with the inclination of the second inclined surface, and the first inclined surface can be attached to the second inclined surface.

[0017] By adopting the technical scheme, the triangular arrangement makes the clamping block and the clamping groove have high stability, effectively preventing loosening and falling during use, the attachment of the first inclined surface and the second inclined surface can improve the assembly precision and reliability, and the connection strength between the clamping block and the clamping groove is enhanced.

[0018] Optionally, the edge of the annular handle and the edge of the hand wheel are both arranged in a circular arc shape.

[0019] By adopting the technical scheme, the circular arc shape can better fit the natural curve of the palm, making the staff more comfortable when holding the annular handle and rotating the hand wheel, and on the other hand, the circular arc edge has no sharp edges, which can effectively prevent scratches or scratches during use, reducing the risk of accidental injury.

[0020] Optionally, the annular handle is provided with an anti-skid rubber ring.

[0021] By adopting the technical scheme, the anti-skid rubber ring can increase the friction between the annular handle and the hand, prevent hand slipping due to sweating, moisture, etc., and thus prevent accidents.

[0022] In summary, the present application has at least one of the following beneficial technical effects:

[0023] 1. When the maintenance staff needs to enter or exit the elevator car top, first insert the connecting block into the elevator sill groove, then use the limiting assembly to fix the mounting block on the side wall of the sill, and then use the positioning assembly to fix the position of the sliding block, at this time the pull rod device is fixed in the sill groove, then the maintenance staff can hold the annular handle with one hand, so that the maintenance staff can safely and conveniently enter and exit the elevator car top, solving the problem that when entering and exiting the car top by holding the edge of the sill groove with both hands, the friction of both hands is insufficient, which can cause the hands to slip, and the maintenance personnel may lose balance, thereby posing a risk of falling, the positioning assembly can stably fix the sliding block in the mounting hole, and the limiting assembly can install the pull rod device on the sill groove.

[0024] 2. When in use, the connecting bolt is rotated by the hand wheel, so that one end of the connecting bolt abuts against the side wall of the elevator sill, thereby fixing the pull rod device, and the hand wheel is arranged to realize quick installation and disassembly;

[0025] 3. When in use, the sliding block is moved to a suitable position, and then the limiting bolt is screwed, so that the bottom end of the limiting bolt abuts against the tooth groove, thereby realizing the fixation of the sliding block, limiting the movement of the sliding block, and ensuring the stability in the use process. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0027] Figure 1 is the overall structure schematic diagram of the pull rod device for elevator maintenance in the embodiment 1 of the present application.

[0028] Figure 2 is the exploded view of the pull rod device for elevator maintenance in the embodiment 1 of the present application.

[0029] Figure 3 is the overall structure schematic diagram of the pull rod device for elevator maintenance in the embodiment 2 of the present application.

[0030] Figure 4 is the exploded view of the pull rod device for elevator maintenance in the embodiment 2 of the present application.

[0031] Fig. 1 is a connecting block; Fig. 2 is a ring-shaped handle; Fig. 3 is a mounting hole; Fig. 4 is a sliding block; Fig. 5 is a tooth groove; Fig. 6 is a mounting groove; Fig. 7 is a positioning assembly; Fig. 8 is a mounting block; Fig. 9 is a connecting hole; Fig. 10 is a limiting assembly; Fig. 11 is a connecting bolt; Fig. 12 is a hand wheel; Fig. 13 is a circular groove; Fig. 14 is a limiting bolt; Fig. 15 is a positioning hole; Fig. 16 is a pin shaft; Fig. 17 is a rotating block; Fig. 18 is a clamping block; Fig. 19 is a clamping groove; Fig. 20 is an open blocking ring; Fig. 21 is a first inclined surface; Fig. 22 is a second inclined surface; and Fig. 23 is an anti-skid rubber ring. DETAILED DESCRIPTION

[0032] The present application will be further described below. Figures 1-4 The present application will be further described below.

[0033] The embodiment of the present application discloses a pull rod device for elevator maintenance.

[0034] Embodiment 1

[0035] Reference Figure 1The utility model provides a kind of pull rod device for elevator repair, including connecting block 1, connecting block 1 is squarely arranged, connecting block 1 is clamped in elevator sill groove, one end of connecting block 1 is welded with annular handle 2, to make staff more comfortable when holding annular handle 2 and rotating hand wheel 12, the edge of annular handle 2 is set as circular arc, and the edge of circular arc can also effectively avoid being scratched or scratched during use, reduce the risk of accidental injury, since staff hand slip when gripping handle, resulting in accident, therefore, anti-skid rubber ring 23 is fixed on annular handle 2, increase the friction between annular handle 2 and hand.

[0036] Refer to Figure 2 Mounting hole 3 is penetrated on the side wall of connecting block 1, sliding block 4 is arranged in mounting hole 3, sliding block 4 is long strip-shaped arrangement, tooth slot 5 is arranged on one end of sliding block 4 close to annular handle 2, tooth slot 5 is provided with several, tooth slot 5 is arranged as a right triangle, one side of tooth slot 5 is arranged as an inclined shape and is provided with second inclined surface 22, one end of sliding block 4 is formed with mounting block 8, and mounting block 8 is arranged in parallel with connecting block 1.

[0037] Refer to Figure 2 Connecting hole 9 is penetrated on the side wall of mounting block 8, limiting assembly 10 is arranged on connecting hole 9, limiting assembly 10 is arranged so that pull rod device is fixed on sill groove, limiting assembly 10 includes connecting bolt 11 and hand wheel 12, connecting bolt 11 is rotated in connecting hole 9, connecting bolt 11 is installed in connecting hole 9 by thread, connecting bolt 11 in the embodiment is outer hexagonal bolt, provides greater contact area and torque, and fastening and dismounting operation is easier and more efficient, hand wheel 12 is integrally formed on one end of connecting bolt 11 away from connecting block 1, and the edge of hand wheel 12 is arranged as a circular arc, by rotating hand wheel 12, one end of connecting bolt 11 is abutted on the side wall of elevator sill.

[0038] Refer to Figure 2 Mounting groove 6 is arranged on one end of connecting block 1 close to annular handle 2, and positioning assembly 7 is arranged between mounting groove 6 and tooth slot 5, and the position of sliding block 4 is fixed, positioning assembly 7 includes circular groove 13 and limiting bolt 14, circular groove 13 is penetrated on mounting groove 6, limiting bolt 14 is installed in circular groove 13, when screwing limiting bolt 14, the bottom end of limiting bolt 14 is abutted on tooth slot 5, so that the position of sliding block 4 is fixed, and the movement of sliding block 4 is limited.

[0039] The implementation principle of the pull rod device for elevator maintenance in the embodiment of the application is as follows: when the maintenance worker needs to enter or get out of the elevator car top, first, the connecting block 1 is inserted into the elevator sill groove, then the sliding block 4 is slid to make the mounting block 8 adhere to the side wall of the sill, then the limiting bolt 14 is screwed to make the limiting bolt 14 abut against the sliding block 4, thereby fixing the position of the sliding block 4, then the hand wheel 12 is screwed to make one side of the connecting bolt 11 abut against the side wall of the sill, thereby fixing the position of the pull rod device, at this time, the maintenance worker can hold the annular handle 2 to enter or exit the elevator car top.

[0040] Embodiment 2

[0041] With reference to Figure 3 and Figure 4 The positioning assembly 7 comprises a positioning hole 15, a pin shaft 16 and a rotating block 17, the positioning hole 15 is provided through the side wall of the connecting block 1 close to the annular handle 2, and the pin shaft 16 is installed in the positioning hole 15. In the embodiment, the pin shaft 16 is a flat head slotted pin shaft 16, a clamping groove 19 is provided at one end of the pin shaft 16, an open check ring 20 is installed on the clamping groove 19, the open check ring 20 is embedded in the clamping groove 19 through elastic deformation, the axial movement of the pin shaft 16 is limited, the stability during use is ensured, the rotating block 17 is rotationally connected to the pin shaft 16, a clamping block 18 is integrally formed on one side of the rotating block 17, the clamping block 18 can be clamped on the gear slot 5, a first inclined surface 21 is provided on one side of the clamping block 18, the inclination of the first inclined surface 21 is consistent with the inclination of a second inclined surface 22, the first inclined surface 21 can be in close contact with the second inclined surface 22, the assembly precision and reliability are improved, and the connection strength between the clamping block 18 and the clamping groove 19 is enhanced.

[0042] The implementation principle of the pull rod device for elevator maintenance in the embodiment of the application is as follows: when the maintenance worker needs to enter or get out of the elevator car top, first, the connecting block 1 is inserted into the elevator sill groove, then the sliding block 4 is slid to make the mounting block 8 adhere to the side wall of the sill, then the limiting bolt 14 is screwed to make the limiting bolt 14 abut against the sliding block 4, thereby fixing the position of the sliding block 4, then the hand wheel 12 is screwed to make one side of the connecting bolt 11 abut against the side wall of the sill, thereby fixing the position of the pull rod device, at this time, the maintenance worker can hold the annular handle 2 to enter or exit the elevator car top.

[0043] Unless otherwise defined, technical terms or scientific terms used in the present application shall have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. Unless otherwise defined, the terms "first", "second" or "third" and the like in the description and in the claims, are used for distinguishing between similar elements and not necessarily for describing a sequential or chronological order. The terms "one", "another", "an" or "some" as well as similar referents in the context of describing the specification and claims are to be construed to be open-ended, i.e., to cover both singular and plural referents unless otherwise indicated. The terms "including", "containing" or "comprising" and the like are not intended to exclude other integers or steps, but to "include" or "comprise" other integers or steps unless otherwise indicated. The terms "connected", "coupled" or "pathway" and the like are not limited to direct connections, couplings or pathways, but can also include indirect connections, couplings or pathways unless otherwise indicated.

[0044] The above are only preferred embodiments of the present application, not intended to limit the protection scope of the present application, therefore: any equivalent changes made according to the structure, shape, principle of the present application shall be covered within the protection scope of the present application.

Claims

1. A tie rod device for elevator maintenance, characterized by: The utility model provides a connecting block (1) is arranged in the sills groove of elevator threshold, one end of connecting block (1) is fixed with annular handle (2), the sidewall of connecting block (1) is equipped with mounting hole (3) through, the sliding block (4) of mounting hole (3) is arranged, the one end of sliding block (4) is equipped with a plurality of tooth slot (5) near annular handle (2), the one end of connecting block (1) is equipped with installation slot (6) near annular handle (2), the positioning assembly (7) for fixing the position of sliding block (4) is arranged between installation slot (6) with tooth slot (5), one end of sliding block (4) is integrally formed with mounting block (8), mounting block (8) is arranged in parallel with connecting block (1), the sidewall of mounting block (8) is equipped with connecting hole (9), and the limiting assembly (10) is arranged on connecting hole (9).

2. A tie rod device for elevator maintenance according to claim 1, characterized in that The limiting assembly (10) includes a connecting bolt (11) that rotates in the connecting hole (9), a hand wheel (12) that is integrally formed on the end of the connecting bolt (11) that is away from the connecting block (1), and the connecting bolt (11) is installed in the connecting hole (9) by threads.

3. The pull rod device for elevator maintenance according to claim 1, characterized in that: The positioning assembly (7) includes a circular slot (13) that is through in the installation slot (6), a limiting bolt (14) that is installed in the circular slot (13), and the end of the limiting bolt (14) that is close to the sliding block (4) can abut on the tooth slot (5).

4. The pull rod device for elevator maintenance according to claim 1, characterized in that: The positioning assembly (7) includes a positioning hole (15) that is through in the sidewall of the end of the connecting block (1) that is close to the annular handle (2), a pin shaft (16) that is installed in the positioning hole (15), and a rotating block (17) that is rotatably connected to the pin shaft (16), one side of the rotating block (17) is integrally formed with a clamping block (18), and the clamping block (18) can be clamped on the tooth slot (5).

5. A tie rod device for elevator maintenance according to claim 4, characterized in that The end of the pin shaft (16) is provided with a clamping groove (19), and the opening check ring (20) is fixed on the clamping groove (19).

6. The tie rod apparatus for elevator maintenance of claim 4, wherein: The clamping block (18) and the tooth slot (5) are both triangularly arranged, one side of the clamping block (18) is provided with a first inclined surface (21), one side of the tooth slot (5) is provided with a second inclined surface (22), the inclination of the first inclined surface (21) is consistent with the inclination of the second inclined surface (22), and the first inclined surface (21) can be fitted with the second inclined surface (22).

7. The tie rod device for elevator maintenance according to claim 2, characterized in that: The edge of the annular handle (2) and the edge of the hand wheel (12) are both arc-shaped.

8. The tie rod device for elevator maintenance according to claim 2, characterized in that: The annular handle (2) is provided with an anti-skid rubber ring (23).

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