Damping device of elevator guide rail

By designing buffer and positioning components on the elevator guide rail, the noise and safety issues caused by guide rail deformation are solved, achieving the effects of vibration reduction and stable installation.

CN223906327UActive Publication Date: 2026-02-13JIANGSU DUOJIN ELEVATOR ACCESSORIES CO LTD
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Patent Information

Application Number
CN202520671712.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-10
Publication Date
2026-02-13
Estimated Expiration
2035-04-10

AI Technical Summary

Technical Problem

Existing elevator guide rails are prone to deformation due to gravity and friction during use, resulting in high noise levels and reduced safety.

Method used

An elevator guide rail vibration damping device was designed, which includes a buffer component and a positioning component. The buffer component dampens the guide rail through a damping rod and a buffer block, while the positioning component ensures stable installation of the device through a mounting plate and a positioning plate.

Benefits of technology

It effectively reduces noise generated by guide rail swaying and component collisions, improves elevator safety and ease of installation, and ensures stable installation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a damping device of an elevator guide rail, and relates to the technical field of elevator guide rails. The damping device of the elevator guide rail comprises a base, a mounting assembly is arranged on the upper surface of the base, a buffering assembly is arranged at the top of the mounting assembly, a positioning assembly is arranged on one side of the bottom of the base, the mounting assembly comprises a mounting plate arranged on the base, and positioning plates are fixedly mounted on the two sides of the mounting plate; the buffering assembly comprises a shell fixedly installed on the installation plate, a damping rod is fixedly installed on the inner bottom wall of the shell, and a buffering block is fixedly installed on the top of the damping rod. And therefore, the situation that the guide rail shakes and collides with components in the using process is avoided, large noise is avoided, the using safety of the elevator is improved, and meanwhile the using convenience of the device is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to elevator guide rail technical field, concretely is a kind of shock absorber of elevator guide rail. BACKGROUND

[0002] Elevator guide rail is the elevator component formed by steel rail and connecting plate, it is divided into car guide rail and counterweight guide rail. From cross-sectional shape, it is divided into T shape, L shape and hollow three forms, guide rail is in the direction of guiding effect at the same time, withstands car, the impact force of elevator braking, the impact force of safety tong emergency braking etc., the size of these forces is related to the load quality and speed of elevator, therefore should be selected according to the speed and load quality of elevator Guide rail. Usually called car guide rail as main rail, counterweight guide rail as vice rail, existing patent, patent announcement No.CN102358549A discloses a kind of elevator guide rail noise reduction and damping device, the two ends of the front of damping box are protruding, the middle part is recessed, opening is arranged at recessed part, damping plate is placed in damping box, and elastic damping element is arranged between the back of damping box and the two ends of the front of damping box, the middle part of damping plate is located at opening, and guide rail support is fixedly connected at opening. The elevator guide rail noise reduction and damping device, guide rail support is pressed by damping plate to absorb vibration on both sides of elastic damping element, and noise reduction and damping are achieved. The area of guide rail support can be smaller, while the area of damping plate can be larger, so that better noise reduction and damping effect can be achieved with smaller guide rail support. At the same time, guide rail support and damping plate are fixed in the recessed part of the middle part of damping box, so that the installation gap between elevator guide rail and elevator shaft wall surface is smaller, and the device can be used in the case of small installation gap. With the same installation gap, the thickness of the elastic damping element can be larger, and the damping effect can be better.

[0003] For the above-mentioned related technology, the inventor believes that the following defects exist: in the actual application process, due to the gravity and friction effect of the elevator guide rail during use, the guide rail will deform downward, if it cannot be buffered and damped, it will produce a large noise, and at the same time, it also reduces the use safety of the elevator, so we propose a kind of shock absorber of elevator guide rail to solve the above-mentioned problems. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides a kind of shock absorber of elevator guide rail, to solve the problems raised in the above background art.

[0005] To achieve the above purpose, the utility model is realized by the following technical scheme: a kind of shock absorber of elevator guide rail, including base, the upper surface of base is provided with mounting assembly, the top of mounting assembly is provided with buffer assembly, the bottom of base one side is provided with positioning assembly.

[0006] The mounting assembly comprises a mounting plate arranged on the base, and positioning plates are fixedly arranged on both sides of the mounting plate.

[0007] The buffer assembly comprises a housing fixedly arranged on the mounting plate, an inner bottom wall of the housing is fixedly arranged with a damping rod, a top of the damping rod is fixedly arranged with a buffer block, a top of the buffer block is fixedly arranged with a limiting block, a guide rail is inserted on the limiting block, a screw rod is inserted on one side of the limiting block, one end of the screw rod is threadedly connected with one side of the guide rail, a maintenance hole is arranged on one side of the housing, a gate plate is inserted on a top of the housing, and a bottom of the gate plate is attached to an inner bottom wall of the maintenance hole.

[0008] The buffer assembly is arranged to facilitate buffering and damping of the guide rail during use, thereby avoiding collision between the guide rail and the components during use, avoiding generation of large noise, improving the safety of the elevator during use, and improving the convenience of the device.

[0009] Preferably, a screw hole is arranged on one side of the limiting block for the screw rod to pass through, the screw hole is threadedly connected with the screw rod, one end of the screw rod is fixedly arranged with a rotating block, and anti-skid lines are arranged on a surface of the rotating block.

[0010] Preferably, a positioning hole is arranged on the positioning plate, the positioning hole is a long circular hole, a screw is inserted on the positioning plate, a bottom of the screw is threadedly connected with an upper surface of the mounting plate, and a screw hole is arranged on the mounting plate for the screw to threadedly connect.

[0011] Preferably, a protection block is fixedly arranged on one side of the base, a groove is arranged on one side of the protection block, an inner wall of the groove is attached to a surface of the guide rail, and the protection block is arranged to facilitate protection and positioning of the guide rail, thereby avoiding friction between the guide rail and one side of the base and improving the service life of the guide rail.

[0012] Preferably, support sliding strips are fixedly arranged on both sides of an inner wall of the housing, sliding grooves are arranged on both sides of the limiting block for the support sliding strips to pass through, and an inner wall of the sliding groove is slidingly connected with a surface of the support sliding strip.

[0013] Preferably, a plate groove is arranged on the housing for the gate plate to pass through, an inner wall of the plate groove is slidingly connected with a surface of the gate plate, a pull hole is arranged on one side of the gate plate, and the plate groove is arranged to facilitate the gate plate to pass through and move.

[0014] Preferably, the positioning assembly comprises a fastening plate fixedly installed at the bottom of the base, a triangular plate fixedly installed at one side of the fastening plate, one side of the triangular plate fixedly connected with one side of the base, and a circular hole formed at one side of the fastening plate.

[0015] Through the installation assembly and the positioning assembly, the device is conveniently installed and positioned, thereby facilitating subsequent use, improving the convenience of use of the device, and facilitating stable installation of the device. Advantages

[0016] The utility model provides a kind of shock absorber of elevator guide rail.Compared with prior art, it has the following advantages:

[0017] The shock absorber of elevator guide rail, through the buffer assembly, conveniently buffers and absorbs shock to guide rail during use, thereby avoiding collision between guide rail and components during use, avoiding generating larger noise, improving the safety of elevator use, and improving the convenience of use of the device.

[0018] Meanwhile, through the installation assembly and the positioning assembly, the device is conveniently installed and positioned during use, thereby facilitating subsequent use, improving the convenience of use of the device, and facilitating stable installation of the device. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the first perspective three-dimensional structure schematic diagram of the utility model.

[0020] Figure 2 It is the first perspective three-dimensional structure schematic diagram of the utility model.

[0021] Figure 3 It is the second perspective three-dimensional structure schematic diagram of the utility model.

[0022] Figure 4 It is the second perspective three-dimensional structure schematic diagram of the utility model.

[0023] In the figure: 1, base; 2, installation assembly; 200, mounting plate; 201, positioning plate; 202, screw; 3, buffer assembly; 300, shell; 301, damping rod; 302, buffer block; 303, limiting block; 304, guide rail; 305, screw; 306, gate; 307, support slide; 4, positioning assembly; 400, fastening plate; 401, triangular plate; 5, protection block. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0025] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a kind of elevator guide rail's damping device, including base 1, the upper surface of base 1 is provided with installation component 2, the top of installation component 2 is provided with buffer component 3, the bottom side of base 1 is provided with positioning component 4.

[0026] Installation component 2 includes installation plate 200 being arranged on base 1, and positioning plate 201 is fixedly installed on the both sides of installation plate 200.

[0027] Buffer component 3 includes shell 300 being fixedly installed on installation plate 200, and damping rod 301 is fixedly installed on the inner bottom wall of shell 300, damping rod 301 is fixedly installed with buffer block 302 on the top, buffer block 302 is fixedly installed with limit block 303 on the top, guide rail 304 is inserted on limit block 303, screw rod 305 is inserted on the side of limit block 303, one end of screw rod 305 is connected with the side of guide rail 304 by screwing, maintenance hole is formed in the side of shell 300, and shutter 306 is inserted on the top of shell 300, the bottom of shutter 306 is attached to the inner bottom wall of maintenance hole, buffer component 3 is arranged, and it is convenient to buffer and shockproof guide rail 304 in the process of use, so as to avoid the collision between guide rail 304 and components in the process of use, so as to avoid generating larger noise, improve the safety of elevator use, and also improve the use convenience of the device.

[0028] Please refer to Figure 3 Screw hole is formed on the side of limit block 303 for screw rod 305 to pass through, and screw hole is connected with screw rod 305 by screwing, and rotating block is fixedly installed on one end of screw rod 305, anti-skid lines are formed on the surface of rotating block, the screw hole is arranged, and it is convenient to tighten screw rod 305 in the process of use, and the setting of rotating block achieves the effect of conveniently rotating screw rod 305, which is convenient for subsequent normal use.

[0029] Please refer to Figure 1 Positioning hole is formed on positioning plate 201, and the positioning hole is long circular hole, and screw 202 is inserted on positioning plate 201, and the bottom of screw 202 is connected with the upper surface of installation plate 200 by screwing, and screw hole is formed on installation plate 200 for screw 202 to be connected by screwing, and installation plate 200 and mounting hole are arranged simultaneously, which is convenient for installation and positioning operation in the process of use, and the installation stability of components is maintained.

[0030] Referring to Figure 1 , one side of the base 1 is fixedly installed with a protective block 5, one side of the protective block 5 is provided with a groove, the inner wall of the groove is attached to the surface of the guide rail 304, the setting of the protective block 5 achieves convenient protection and positioning of the guide rail 304, and also avoids friction between the guide rail 304 and one side of the base 1, thereby improving the service life of the guide rail 304.

[0031] Referring to Figure 2 , both sides of the inner wall of the shell 300 are fixedly installed with support sliding strips 307, both sides of the limiting block 303 are provided with sliding grooves for the support sliding strips 307 to pass through, and the inner wall of the sliding groove is in sliding connection with the surface of the support sliding strip 307. At the same time, through the setting of the support sliding strip 307, the sliding of the limiting block 303 in the shell 300 is facilitated during use, and the normal movement of the limiting block 303 is maintained.

[0032] Referring to Figure 4 , the shell 300 is provided with a plate groove for the passage of the gate plate 306, and the inner wall of the plate groove is in sliding connection with the surface of the gate plate 306. One side of the gate plate 306 is provided with a pull hole. The setting of the plate groove facilitates the passage of the gate plate 306 during use, thereby facilitating the movement of the gate plate 306.

[0033] Referring to Figure 2 , the positioning assembly 4 includes a fastening plate 400 fixedly installed at the bottom of the base 1, and a triangular plate 401 fixedly installed on one side of the fastening plate 400. One side of the triangular plate 401 is fixedly connected to one side of the base 1, and one side of the fastening plate 400 is provided with a circular hole. The setting of the mounting assembly 2 and the positioning assembly 4 achieves the effect of convenient installation and positioning of the device during use, thereby facilitating subsequent use, improving the use convenience of the device, and facilitating stable installation of the device.

[0034] When the device needs to be installed, the guide rail 304 is inserted into the limiting block 303, then the screw 305 is tightened, so that one end of the screw 305 is in threaded connection with one side of the guide rail 304, then the fastening plate 400 is installed on the inner wall of the elevator shaft through the bolt assembly, and the positioning plate 201 is fixedly connected to the base 1 through the screw 202, thereby facilitating the positioning of the guide rail 304. After the guide rail 304 is stressed, the limiting block 303 on the damping rod 301 and the buffer block 302 is buffered and reset, thereby allowing the guide rail 304 to be buffered and damped.

[0035] Meanwhile, the contents not described in detail in the specification all belong to the existing technology known to those skilled in the art.

Claims

1. A shock absorbing device for an elevator guide rail, comprising a base (1), characterized in that: The upper surface of the base (1) is provided with a mounting assembly (2), the top of the mounting assembly (2) is provided with a buffer assembly (3), and the bottom side of the base (1) is provided with a positioning assembly (4); The mounting assembly (2) comprises a mounting plate (200) arranged on the base (1), and positioning plates (201) are fixedly arranged on the two sides of the mounting plate (200); The buffer assembly (3) comprises a shell (300) fixedly arranged on the mounting plate (200), a damping rod (301) fixedly arranged on the inner bottom wall of the shell (300), a buffer block (302) fixedly arranged on the top of the damping rod (301), a limiting block (303) fixedly arranged on the top of the buffer block (302), a guide rail (304) inserted on the limiting block (303), a screw rod (305) inserted on one side of the limiting block (303), one end of the screw rod (305) being in threaded connection with one side of the guide rail (304), a maintenance hole being formed in one side of the shell (300), and a gate plate (306) inserted on the top of the shell (300) and abutting against the inner bottom wall of the maintenance hole.

2. A shock absorbing device for an elevator guide rail according to claim 1, characterized in that One side of the limiting block (303) is provided with a threaded hole for the screw rod (305) to pass through, the threaded hole is in threaded connection with the screw rod (305), one end of the screw rod (305) is fixedly arranged with a rotating block, and an anti-skid pattern is formed on the surface of the rotating block.

3. The elevator guide rail shock absorbing device according to claim 1, characterized in that: The positioning plate (201) is provided with a positioning hole, the positioning hole is a long circular hole, a screw (202) is inserted on the positioning plate (201), the bottom of the screw (202) is in threaded connection with the upper surface of the mounting plate (200), and a threaded hole is formed in the mounting plate (200) for the threaded connection of the screw (202).

4. The elevator guide rail shock absorbing device according to claim 1, characterized in that: One side of the base (1) is fixedly arranged with a protection block (5), a groove is formed in one side of the protection block (5), and the inner wall of the groove is abutted against the surface of the guide rail (304).

5. The elevator guide rail shock absorbing device according to claim 1, characterized in that: The inner walls of the shell (300) are fixedly arranged with supporting sliding strips (307), the two sides of the limiting block (303) are provided with sliding grooves for the supporting sliding strips (307) to pass through, and the inner walls of the sliding grooves are in sliding connection with the surfaces of the supporting sliding strips (307).

6. The elevator guide rail shock absorbing device according to claim 1, characterized in that: A plate groove is formed in the shell (300) for the gate plate (306) to pass through, the inner wall of the plate groove is in sliding connection with the surface of the gate plate (306), and a pulling hole is formed in one side of the gate plate (306).

7. The elevator guide rail shock absorbing device of claim 1, wherein: The positioning assembly (4) comprises a fastening plate (400) fixedly arranged on the bottom of the base (1), a triangular plate (401) fixedly arranged on one side of the fastening plate (400), the triangular plate (401) being fixedly connected with one side of the base (1), and a circular hole being formed in one side of the fastening plate (400).

Citation Information

Patent Citations

  • Noise reduction and shock absorption device of elevator guide rail

    CN102358549A