Telescopic probe rod of elevator guide rail detector
By employing telescopic support and rotating components in the elevator guide rail tester, the problems of bending and swaying of the probe rod during length extension are solved, achieving accurate test data and flexible angle adjustment, adapting to elevator guide rails with complex structures.
Patent Information
- Application Number
- CN202423061047.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-12
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-12-12
AI Technical Summary
Existing elevator guide rail testing instruments have telescopic probes that are prone to bending or wobbling when extended, resulting in inaccurate testing data and an inability to flexibly adjust the angle to adapt to the complex structure of elevator guide rails.
It adopts telescopic support components and rotating components. The auxiliary rod is supported by a triangular structure to ensure its stability during the telescopic process. The detection angle is adjusted by the rotating component to adapt to elevator guide rails of different heights and complex structures.
It improves the accuracy and flexibility of test data, can be stably fixed in multiple positions, adapts to elevator guide rails with various complex structures, and ensures comprehensive and accurate testing.
Smart Images

Figure CN223470641U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to elevator maintenance field especially relates to a telescopic feeler rod of elevator guide rail detector. BACKGROUND
[0002] The straightness, perpendicularity and other parameters of the elevator guide rail as the guiding device of the elevator car and the counterweight directly affect the smooth running and ride comfort of the elevator, and once the guide rail deviates or is damaged, it may cause the elevator car to shake, jam or even derail and other serious safety accidents.
[0003] In the field of elevator maintenance and detection, accurate detection of the elevator guide rail is crucial to ensure the safe operation of the elevator, therefore, the telescopic feeler rod of the elevator guide rail detector is a key component that directly contacts the guide rail and collects data.
[0004] At present, the existing telescopic feeler rod of the elevator guide rail detector has some deficiencies: on the one hand, some feeler rods lack effective support structure during the telescoping process, and when the length is extended too long for detection, bending or shaking phenomenon may occur, resulting in inaccurate detection data, on the other hand, the elevator guide rail is usually installed in the elevator shaft, and its layout may be vertical, with a certain inclination or a curved part in some special building structure or non-standard elevator design, the angle of the probe needs to be adjusted, which needs to be manually rotated, which may cause displacement during detection and affect the reliability of the detection result. UTILITY MODEL CONTENTS
[0005] In order to make up for the above deficiencies, the utility model provides a telescopic feeler rod of elevator guide rail detector, which aims to improve the problem of inaccurate detection data caused by bending or shaking phenomenon during the detection when the length is extended too long in the prior art.
[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: a telescopic feeler rod of elevator guide rail detector, comprising a handle, the front end of the handle is rotatably connected with a main rod body through a rotating assembly, the inner wall of the front end of the main rod body penetrates and is slidably connected with a secondary rod body, the surface of the main rod body is provided with a telescopic support assembly;
[0007] The telescopic support assembly comprises a sliding sleeve, the outer wall of both sides of the sliding sleeve is hinged with a hinge seat, the outer wall of both sides of the hinge seat is hinged with a connecting rod, the end of the connecting rod away from the hinge seat is hinged with a connecting block, the inner wall of the hinge seat is elastically connected with a plug block through a return spring.
[0008] As a further description of the above technical scheme:
[0009] The rotating assembly comprises a positioning sleeve, the outer wall of the bottom end of the positioning sleeve is elastically connected to the outer wall of the handle through a limiting spring, the top end of the outer wall of the handle is provided with a guide groove, the inner wall of the guide groove of the handle is fixedly connected with a guide rod, and the tail end of the main rod body is fixedly connected with a positioning block.
[0010] As a further description of the above technical solution:
[0011] The sliding sleeve is penetrated and slidably connected to the surface of the main rod body, and the connecting block is fixedly connected to the surface of the front end of the auxiliary rod body.
[0012] As a further description of the above technical solution:
[0013] The surface of the main rod body is provided with a groove, the outer wall of the hinge seat is in contact with the inner wall of the groove, the surface of the main rod body is provided with a plurality of positioning grooves, and the bottom end of the outer wall of the plug block is inserted into the inner wall of the positioning groove.
[0014] As a further description of the above technical solution:
[0015] The plug block is penetrated and slidably connected to the inner wall of the sliding sleeve, and the plug block is slidably connected to the inner wall of the hinge seat.
[0016] As a further description of the above technical solution:
[0017] One end of the reset spring is fixedly connected to the outer wall of the plug block, and the other end of the reset spring is fixedly connected to the inner wall of the hinge seat.
[0018] As a further description of the above technical solution:
[0019] The positioning block is rotationally connected to the surface of the front end of the handle, the surface of the positioning block is provided with a plurality of positioning grooves, the inner side wall of the positioning sleeve is provided with a guide block, and the outer wall of the guide block of the positioning sleeve is in contact with the inner wall of the positioning groove of the positioning block.
[0020] As a further description of the above technical solution:
[0021] The positioning sleeve is penetrated and slidably connected to the surface of the guide rod, the positioning sleeve is slidably connected to the inner wall of the guide groove at the top end of the handle, one end of the limiting spring is fixedly connected to the outer wall of the bottom end of the positioning sleeve, and the other end of the limiting spring is fixedly connected to the inner wall of the guide groove at the top end of the handle.
[0022] The utility model has the advantages of the following:
[0023] 1、The telescopic supporting assembly can accurately adjust the length of the auxiliary rod body, adapt to the elevator guide rail detection requirements of different heights and depths, effectively avoid the shaking and bending of the probe rod in the telescopic process through the stable support of the triangular structure, and improve the accuracy of the detection data.
[0024] 2、The utility model discloses, rotating assembly can change the detection angle of vice pole body flexibly, and the angle adjustment is convenient and accurate, can be stabilized and fixed at multiple positions, and provide strong guarantee for the comprehensive, accurate detection of elevator guide rail. BRIEF DESCRIPTION OF DRAWINGS
[0025] Figure 1 A kind of extension probe rod's three-dimensional structure schematic view of elevator guide rail detector is proposed for the utility model;
[0026] Figure 2 The handle and main pole body separation state structure schematic view of a kind of extension probe rod of elevator guide rail detector is proposed for the utility model;
[0027] Figure 3 The slide sleeve and hinge seat partial section view structure schematic view of a kind of extension probe rod of elevator guide rail detector is proposed for the utility model;
[0028] Figure 4 The handle and positioning sleeve partial section view structure schematic view of a kind of extension probe rod of elevator guide rail detector is proposed for the utility model.
[0029] LEGEND:
[0030] 1, handle;2, rotating assembly;21, positioning block;22, positioning sleeve;23, limit spring;24, guide rod;3, main pole body;4, vice pole body;5, extension support assembly;51, slide sleeve;52, hinge seat;53, connecting rod;54, connecting block;55, reset spring;56, plug-in block. DETAILED DESCRIPTION
[0031] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.
[0032] REFERENCE Figure 1 - Figure 3The utility model provides an embodiment: a telescopic probe rod of elevator guide rail detector, including handle 1, handle 1's surface is equipped with multiple sets of antiskid groove, thereby convenient for detection staff to hold it, the front end of handle 1 is rotatably connected with main rod body 3 through rotating component 2, the inner wall of main rod body 3 front end is connected with auxiliary rod body 4 through sliding, auxiliary rod body 4 is prior art, and the front end is provided with detection probe, thereby with elevator guide rail place carries out contact, thereby can pass through the information of transmission elevator guide rail of electric signal, the surface of main rod body 3 is provided with telescopic support component 5.
[0033] Referring to Figure 2 And Figure 3 , telescopic support component 5 includes sliding sleeve 51, and the sliding sleeve 51 is connected to the surface of the main rod body 3 through sliding. The sliding sleeve 51 slides on the surface of the main rod body 3, so that the two sets of hinged seats 52 drive the connecting rods 53 to push the connecting blocks 54 to move, so that the auxiliary rod body 4 moves in and out to adjust the length of the elevator guide rail. The connecting block 54 is fixedly connected to the surface of the front end of the auxiliary rod body 4. The outer walls on both sides of the sliding sleeve 51 are hingedly connected with the hinged seats 52. The outer walls on both sides of the hinged seats 52 are hingedly connected with the connecting rods 53. The ends of the connecting rods 53 away from the hinged seats 52 are hingedly connected with the connecting blocks 54. The hinged seats 52 are unfolded on the outer wall of the sliding sleeve 51, so that the connecting rods 53 and the connecting blocks 54 cooperate to form a triangular shape, thereby adjusting the length of the auxiliary rod body 4, and avoiding the auxiliary rod body 4 from being too long and causing stress failure.
[0034] Referring to Figure 2 And Figure 3 , the inner wall of the hinged seat 52 is elastically connected with the plug block 56 through the return spring 55. One end of the return spring 55 is fixedly connected to the outer wall of the plug block 56. The other end of the return spring 55 is fixedly connected to the inner wall of the hinged seat 52. The return spring 55 automatically resets the position of the plug block 56 after being pulled outward. The surface of the main rod body 3 is provided with a groove. The outer wall of the hinged seat 52 is in contact with the inner wall of the groove. The hinged seat 52 can be folded on the side wall of the main rod body 3 when not in use, thereby fixing the position of the hinged seat 52 after being folded. At this time, the plug block 56 inside the hinged seat 52 is inserted into the side wall of the sliding sleeve 51, and the other end is stopped by the groove of the main rod body 3, thereby preventing the sliding sleeve 51 from moving and unfolding. The surface of the main rod body 3 is provided with multiple positioning grooves. The bottom end of the outer wall of the plug block 56 is inserted into the inner wall of the positioning groove. The plug block 56 is connected to the inner wall of the sliding sleeve 51 through sliding. The plug block 56 is connected to the inner wall of the hinged seat 52 through sliding.
[0035] With reference to Figure 1 And Figure 4 , the rotating assembly 2 comprises a positioning sleeve 22, the outer wall of the bottom end of the positioning sleeve 22 is elastically connected to the outer wall of the handle 1 through a limiting spring 23, one end of the limiting spring 23 is fixedly connected to the outer wall of the bottom end of the positioning sleeve 22, the other end of the limiting spring 23 is fixedly connected to the inner wall of the top end guide groove of the handle 1, the limiting spring 23 serves to push the positioning sleeve 22 forward to disengage from the position after the positioning sleeve 22 disengages from the positioning groove of the positioning block 21, the positioning sleeve 22 penetrates and is slidingly connected to the surface of a guide rod 24, the positioning sleeve 22 is slidingly connected to the inner wall of the top end guide groove of the handle 1, the bottom end of the positioning sleeve 22 is pushed upward on the surface of the handle 1, so that the guide block of the bottom end of the positioning sleeve 22 can disengage from the positioning groove of the positioning block 21, the top end of the outer wall of the handle 1 is provided with a guide groove, the inner wall of the guide groove of the handle 1 is fixedly connected with the guide rod 24, the distal end of the main rod body 3 is fixedly connected with the positioning block 21, the positioning block 21 is rotationally connected to the surface of the front end of the handle 1, the positioning block 21 is rotated, so that the main rod body 3 drives the auxiliary rod body 4 to rotate, so that the measurement angle of the auxiliary rod body 4 can be adjusted in some special guide rail elevators, the surface of the positioning block 21 is provided with a plurality of positioning grooves, the inner side wall of the positioning sleeve 22 is provided with a guide block, the outer wall of the guide block of the positioning sleeve 22 is in contact with the inner wall of the positioning groove of the positioning block 21, the contact between the two, so that the main rod body 3 drives the auxiliary rod body 4 to rotate on the surface of the handle 1 and be fixed at multiple positions.
[0036] Working principle: when the length of the sub-rod body 4 needs to be adjusted to adapt to the length of the elevator guide rail measurement, first pull out the plug 56, the plug 56 slides in the inner wall of the hinge seat 52, stretch the reset spring 55, make the plug 56 out of the side wall of the sleeve 51, then push the sleeve 51 to slide on the surface of the main rod body 3, the movement of the sleeve 51 drives the two hinge seats 52 to move, the hinge seat 52 unfolds and changes the relative angle with the sleeve 51, through the connecting rod 53 to push the connecting block 54, the connecting block 54 drives the sub-rod body 4 to move relative to the main rod body 3, in this process, with the unfolding of the hinge seat 52, the connecting rod 53 and the connecting block 54 cooperate to form a triangular structure, which takes advantage of the stability of the triangle to support the part of the sub-rod body 4 that extends out, avoiding the situation that the sub-rod body 4 breaks due to insufficient stress caused by overextension, ensuring that it can work stably at different extension lengths, when the sub-rod body 4 is stretched to the appropriate length, release the plug 56, the plug 56 is inserted into the corresponding positioning slot under the elastic recovery force of the reset spring 55, at this time the position of the hinge seat 52 and the relative position of the sleeve 51, connecting rod 53 and sub-rod body 4 are fixed, the sub-rod body 4 remains at the set extension length and can be used for subsequent elevator guide rail detection, when not in use, pull out the plug 56 again to fold the hinge seat 52 towards the side wall of the main rod body 3, so that its outer wall fits the inner wall of the groove on the surface of the main rod body 3, the plug 56 will be inserted into the side wall of the sleeve 51 and the rear end of the hinge seat 52 will be stopped by the groove of the main rod body 3, which not only realizes the folding and storage of the hinge seat 52, but also prevents the sleeve 51 from moving accidentally and the hinge seat 52 from unfolding, so that the telescopic probe rod remains compact as a whole, facilitating storage and carrying.
[0037] When detecting in some special guide rail elevators, if the measurement angle of the sub-rod body 4 needs to be adjusted, first push the positioning sleeve 22 upwards, the positioning sleeve 22 slides upwards along the guide rod 24 in the inner wall of the guide groove at the top end of the handle 1, compresses the limiting spring 23, and makes the guide block on the inner side wall of the positioning sleeve 22 out of the positioning groove of the positioning block 21, at this time the main rod body 3 can rotate on the front end surface of the handle 1, thereby driving the sub-rod body 4 to rotate and realize angle adjustment, when the sub-rod body 4 is rotated to the appropriate measurement angle, release the positioning sleeve 22, the positioning sleeve 22 is reset downwards under the elastic recovery force of the limiting spring 23, its guide block reinserts into the corresponding positioning groove of the positioning block 21, fixes the rotation position of the main rod body 3 and the sub-rod body 4, and ensures that the sub-rod body 4 can maintain at the set angle and contact with the elevator guide rail during detection, accurately obtaining the guide rail information.
[0038] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.
Claims
1. A telescopic probe of an elevator guide rail detector comprising a handle (1), characterized in that: The front end of the handle (1) is rotatably connected with a main rod body (3) through a rotating assembly (2), the inner wall of the front end of the main rod body (3) is penetrated and slidably connected with a vice rod body (4), and the surface of the main rod body (3) is provided with an extension support assembly (5). The extension support assembly (5) comprises a sliding sleeve (51), the outer walls of the two sides of the sliding sleeve (51) are both hingedly connected with a hinged seat (52), the outer walls of the upper and lower sides of the two groups of hinged seats (52) are both hingedly connected with a connecting rod (53), one end of the connecting rod (53) away from the hinged seat (52) is hingedly connected with a connecting block (54), and the inner wall of the hinged seat (52) is elastically connected with an insertion block (56) through a reset spring (55).
2. The telescoping probe of an elevator rail detector according to claim 1, wherein: The rotating assembly (2) comprises a positioning sleeve (22), the outer wall of the bottom end of the positioning sleeve (22) is elastically connected with the outer wall of the handle (1) through a limiting spring (23), the top end of the outer wall of the handle (1) is provided with a guide groove, the inner wall of the guide groove of the handle (1) is fixedly connected with a guide rod (24), and the tail end of the main rod body (3) is fixedly connected with a positioning block (21).
3. The telescoping probe of claim 1, wherein: The sliding sleeve (51) is penetrated and slidably connected on the surface of the main rod body (3), and the connecting block (54) is fixedly connected on the surface of the front end of the vice rod body (4).
4. The telescoping probe of claim 1, wherein: The surface of the main rod body (3) is provided with a groove, the outer wall of the hinged seat (52) is in contact with the inner wall of the groove, the surface of the main rod body (3) is provided with a plurality of positioning grooves, and the bottom end of the outer wall of the insertion block (56) is inserted into the inner wall of the positioning groove.
5. The telescoping probe of claim 1, wherein: The insertion block (56) is penetrated and slidably connected on the inner wall of the sliding sleeve (51), and the insertion block (56) is slidably connected on the inner wall of the hinged seat (52).
6. The telescoping probe of an elevator rail inspection instrument of claim 1, wherein: One end of the reset spring (55) is fixedly connected on the outer wall of the insertion block (56), and the other end of the reset spring (55) is fixedly connected on the inner wall of the hinged seat (52).
7. The telescoping probe of claim 2, wherein: The positioning block (21) is rotatably connected on the surface of the front end of the handle (1), the surface of the positioning block (21) is provided with a plurality of positioning grooves, the inner side wall of the positioning sleeve (22) is provided with a guide block, and the outer wall of the guide block of the positioning sleeve (22) is in contact with the inner wall of the positioning groove of the positioning block (21).
8. The telescoping probe of claim 2, wherein: The positioning sleeve (22) is penetrated and slidably connected on the surface of the guide rod (24), the positioning sleeve (22) is slidably connected on the inner wall of the top end guide groove of the handle (1), one end of the limiting spring (23) is fixedly connected on the outer wall of the bottom end of the positioning sleeve (22), and the other end of the limiting spring (23) is fixedly connected on the inner wall of the top end guide groove of the handle (1).