Wide-range extension rod

By designing a wide range extension rod that includes components such as electric push rod, rotating seat and rotating motor, the measurement inconvenience caused by fixed installation of the probe is solved, and the automatic telescopic, rotation and angle adjustment of the probe is realized, which improves the flexibility and convenience of measurement.

CN222689186UActive Publication Date: 2025-03-28SHANGHAI ERGONOMICS DETECTING INSTR
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Patent Information

Application Number
CN202421446217.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-24
Publication Date
2025-03-28
Estimated Expiration
2034-06-24

AI Technical Summary

Technical Problem

In the prior art, the probe is fixedly installed at the end of the extension rod, which makes it difficult for staff to adjust the probe and cannot perform multi-angle measurements, and the flexibility and convenience of use are not ideal.

Method used

A wide range extension rod is designed, including electric push rods, rotating seats, locking gears, rotating motors, guide frames, locking gears, return springs, solenoids and rotating motors. Through the coordinated work of these components, the probe's automatic telescopic, rotation and angle adjustment can be achieved.

Benefits of technology

This design improves the measurement convenience and flexibility of the probe, can easily measure high places, and expand the measurement range through multi-angle adjustment, significantly improving the operation convenience of the staff.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a wide-range extension rod which comprises an electric push rod, an operation button is installed on the electric push rod, a holding mechanism is arranged at the bottom end of the electric push rod, a probe installation mechanism is arranged at the end of an output shaft of the electric push rod, the probe installation mechanism comprises a rotating seat, a locking gear is fixedly connected to the bottom end of the rotating seat, and the locking gear is fixedly connected to the bottom end of the rotating seat. The extension rod comprises a locking gear, a rotating motor is fixedly connected to the end of the locking gear, a guide frame is arranged on one side of the locking gear, a locking tooth block is slidably connected to the guide frame, and a reset spring is arranged on one side of the locking tooth block. According to the wide-range extension rod, the electric push rod extends to facilitate measurement of a high position by a probe, then the rotating motor adjusts the orientation of the probe, after adjustment is completed, the electromagnet is powered off, the reset spring resets the locking tooth block to fix the rotating seat, and the rotating motor drives to adjust the angle of the probe, so that the measurement range is expanded; and the convenience and flexibility of measurement and use are effectively improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of extension rods, in particular to a wide-range extension rod. Background Art

[0002] When the staff uses the probe to measure at a high place, the probe needs to be fixed on the end of the extension rod. Using the extension rod to increase the measuring range of the probe can effectively improve the convenience of the staff's measurement work. In the prior art, the probe is fixedly installed on the end of the extension rod, which makes it inconvenient for the staff to adjust the probe and difficult to perform multi-angle measurements, making the flexibility and convenience of use less than ideal. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a wide-range extension rod, which solves the problem that the probe is fixedly installed at the end of the extension rod, making it inconvenient for staff to adjust the probe, difficult to perform multi-angle measurements, and resulting in less than ideal flexibility and convenience of use.

[0004] To achieve the above purpose, the utility model is implemented through the following technical solutions: a wide-range extension rod comprises an electric push rod, an operation button is installed on the electric push rod, a gripping mechanism is provided at the bottom end of the electric push rod, and a probe mounting mechanism is provided at the output shaft end of the electric push rod;

[0005] The probe mounting mechanism includes a rotating seat, a locking gear is fixedly connected to the bottom end of the rotating seat, a rotating motor is fixedly connected to the end of the locking gear, a guide frame is provided on one side of the locking gear, a locking tooth block is slidably connected to the guide frame, a reset spring is provided on one side of the locking tooth block, an electromagnet is fixedly connected to the guide frame, a limiting groove is provided on the top of the rotating seat, a rotating arm is rotatably connected inside the limiting groove, a fan-shaped worm gear is fixedly connected to the end of the rotating arm, a worm is provided on one side of the fan-shaped worm gear, the end of the worm is fixedly connected to the rotating motor, the top of the rotating arm is fixedly connected to a mounting seat, and the end of the mounting seat is fixedly connected to a probe seat.

[0006] Preferably, the rotating seat is rotatably connected to the end of the output shaft of the electric push rod, and a sealing ring is provided between the rotating seat and the end of the output shaft of the electric push rod, which can increase the sealing performance and improve the waterproof ability.

[0007] Preferably, the guide frame is fixedly mounted on the inner wall of the electric push rod output shaft, and the electromagnet is arranged on a side of the locking tooth block away from the rotating seat, so that the electromagnet can attract the locking tooth block to move along the guide frame after being energized.

[0008] Preferably, the worm is rotatably connected to the inner wall of the rotating seat, and the output shaft end of the rotating motor is transmission-connected to the rotating arm through the worm and the fan-shaped worm gear, so that the rotating motor can drive the rotating arm to rotate, which is convenient for adjusting the angle, and can be locked by utilizing the self-locking function of the worm and the fan-shaped worm gear to improve stability.

[0009] Preferably, the cross-sectional shape of the locking tooth block is set to be fan-shaped, and the locking tooth block matches the locking gear, so that the locking tooth block can engage and lock the locking gear, and the two ends of the reset spring are respectively fixedly connected to the locking tooth block and the guide frame, so that the reset spring can reset the locking tooth block.

[0010] Preferably, the probe seat is detachably connected to the mounting seat via bolts, and an internal thread groove is provided inside the probe seat, by which the probe can be fixedly installed and the probe can be easily disassembled.

[0011] Preferably, the holding mechanism includes a fixed tube and a holding handle, the bottom surface of the fixed tube is provided with a mounting screw hole, the top of the holding handle is fixedly connected with a mounting screw rod, the mounting screw rod matches the mounting screw hole, and the outer surface of the holding handle is fixedly connected with an anti-slip sleeve, which can facilitate operation.

[0012] The utility model provides a wide-range extension rod. Compared with the prior art, it has the following beneficial effects:

[0013] 1. The wide-range extension rod is extended by an electric push rod to facilitate the probe to measure at high places, and then the rotating motor adjusts the direction of the probe. After the adjustment is completed, the electromagnet is powered off, the reset spring resets the locking gear block to fix the rotating seat, and the rotating motor drives the angle of the probe to adjust, thereby expanding the measurement range and effectively improving the convenience and flexibility of measurement and use.

[0014] 2. The wide-range extension rod fixes the gripping handle on the fixing tube by screwing the mounting screw into the mounting screw hole. The gripping handle can be used to facilitate operation, and the anti-slip sleeve can be used to play a good anti-slip role. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the probe installation mechanism structure of the utility model;

[0017] Figure 3 It is a schematic diagram of the connection structure between the mounting base and the rotating motor of the utility model;

[0018] Figure 4It is a schematic diagram of the structure of the holding mechanism of the utility model.

[0019] In the figure: 1. electric push rod; 2. probe mounting mechanism; 201. rotating seat; 202. locking gear; 203. rotating motor; 204. guide frame; 205. locking gear block; 206. reset spring; 207. electromagnet; 208. limit slot; 209. rotating arm; 210. fan-shaped worm gear; 211. worm; 212. rotating motor; 213. mounting seat; 214. probe seat; 3. operation button; 4. holding mechanism; 401. fixing cylinder; 402. mounting screw hole; 403. holding handle; 404. mounting screw; 405. anti-slip sleeve. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figure 1-3 The utility model provides a technical solution: a wide-range extension rod, comprising an electric push rod 1, an operation button 3 is installed on the electric push rod 1, a holding mechanism 4 is provided at the bottom of the electric push rod 1, and the electric push rod 1 is made of aluminum alloy material, which can effectively reduce the weight. A probe mounting mechanism 2 is provided at the end of the output shaft of the electric push rod 1, which can be automatically extended and retracted through the electric push rod 1, which is convenient for the staff to use the probe to measure at high places, and the probe mounting mechanism 2 is used to adjust the angle and direction of the probe, thereby expanding the measuring range and effectively improving the convenience and flexibility of measurement and use.

[0022] The probe mounting mechanism 2 includes a rotating seat 201, which is rotatably connected to the end of the output shaft of the electric push rod 1, and a sealing ring is provided between the rotating seat 201 and the end of the output shaft of the electric push rod 1, which can increase the sealing and improve the waterproof ability. A locking gear 202 is fixedly connected to the bottom end of the rotating seat 201, and a rotating motor 203 is fixedly connected to the end of the locking gear 202. A guide frame 204 is provided on one side of the locking gear 202, and a locking tooth block 205 is slidably connected to the guide frame 204. A reset spring 206 is provided on one side of the locking tooth block 205. The cross-sectional shape of the locking tooth block 205 is set to a fan shape, and the locking tooth block 205 and the lock The fixed gear 202 is matched, so that the locking tooth block 205 can mesh and lock the locking gear 202. The two ends of the reset spring 206 are respectively fixedly connected to the locking tooth block 205 and the guide frame 204, so that the reset spring 206 can reset the locking tooth block 205, so that the locking tooth block 205 can mesh and lock with the locking gear 202 again. The guide frame 204 is fixedly connected with an electromagnet 207, which can attract the locking tooth block 205 to move after power is turned on. The guide frame 204 is fixedly installed on the inner wall of the output shaft of the electric push rod 1, and the electromagnet 207 is arranged on the side of the locking tooth block 205 away from the rotating seat 201. After the electromagnet 207 is energized, it can attract the locking tooth block 205 to move along the guide frame 204. A limit slot 208 is provided at the top of the rotating seat 201. A rotating arm 209 is rotatably connected inside the limit slot 208. A fan-shaped worm gear 210 is fixedly connected to the end of the rotating arm 209. A worm 211 is provided on one side of the fan-shaped worm gear 210. A rotating motor 212 is fixedly connected to the end of the worm 211. The worm 211 is rotatably connected to the inner wall of the rotating seat 201, and the output shaft end of the rotating motor 212 is transmission-connected to the rotating arm 209 through the worm 211 and the fan-shaped worm gear 210, so that the rotating motor 212 can drive the rotating arm 2 09 is rotated to facilitate angle adjustment, and can be locked by utilizing the self-locking function of the worm 211 and the fan-shaped worm gear 210 to improve stability. The top of the rotating arm 209 is fixedly connected with a mounting seat 213, and the end of the mounting seat 213 is fixedly connected with a probe seat 214. The probe seat 214 is detachably connected to the mounting seat 213 by bolts. An internal thread groove is provided inside the probe seat 214, and the probe can be fixedly installed by utilizing the internal thread groove, and the probe can be conveniently disassembled for later program upgrades and modifications. A rubber ring is installed between the probe seat 214 and the probe to increase sealing and improve waterproof capability.

[0023] See also Figure 1 and Figure 4The holding mechanism 4 includes a fixed cylinder 401 and a holding handle 403. A mounting screw hole 402 is provided on the bottom surface of the fixed cylinder 401. A mounting screw rod 404 is fixedly connected to the top of the holding handle 403. The mounting screw rod 404 matches the mounting screw hole 402. An anti-slip sleeve 405 is fixedly connected to the outer surface of the holding handle 403. The holding handle 403 can be fixed on the fixed cylinder 401 by screwing the mounting screw rod 404 into the mounting screw hole 402. The holding handle 403 can be used to facilitate operations, and the anti-slip sleeve 405 can be used to play a good anti-slip role.

[0024] During operation, the electric push rod 1 is extended to facilitate the probe to measure at a high place, and then the electromagnet 207 is energized to generate magnetic attraction to move the locking tooth block 205, so that the locking tooth block 205 is separated from the locking gear 202, and the constraint on the rotating seat 201 is released. Then the rotating motor 203 drives the rotating seat 201 to rotate, and the direction of the probe is adjusted. After the adjustment is completed, the electromagnet 207 is powered off, and the reset spring 206 resets the locking tooth block 205 to fix the rotating seat 201, and the rotating motor 212 drives the worm 211 to rotate. The rotation of the worm 211 drives the fan-shaped worm gear 210 to rotate. The rotation of the fan-shaped worm gear 210 drives the rotating arm 209 to rotate. The rotation of the rotating arm 209 drives the probe to rotate, and the angle of the probe is adjusted, the measuring range is expanded, and the convenience and flexibility of measurement and use are effectively improved.

[0025] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. Wide range extension rod, characterized by: It comprises an electric push rod (1), an operating button (3) is mounted on the electric push rod (1), a gripping mechanism (4) is disposed at the bottom end of the electric push rod (1), and a probe mounting mechanism (2) is disposed at the output shaft end of the electric push rod (1); The probe mounting mechanism (2) comprises a rotating seat (201), a locking gear (202) is fixedly connected to the bottom end of the rotating seat (201), a rotating motor (203) is fixedly connected to the end of the locking gear (202), a guide frame (204) is provided on one side of the locking gear (202), a locking tooth block (205) is slidably connected to the guide frame (204), a reset spring (206) is provided on one side of the locking tooth block (205), and an electromagnet (207) is fixedly connected to the guide frame (204). A limiting groove (208) is provided at the top of the rotating seat (201), a rotating arm (209) is rotatably connected inside the limiting groove (208), a fan-shaped worm gear (210) is fixedly connected at the end of the rotating arm (209), a worm (211) is provided on one side of the fan-shaped worm gear (210), a rotating motor (212) is fixedly connected at the end of the worm (211), a mounting seat (213) is fixedly connected at the top of the rotating arm (209), and a probe seat (214) is fixedly connected at the end of the mounting seat (213).

2. The wide range extension rod according to claim 1, characterized in that: The rotating seat (201) is rotatably connected to the end of the output shaft of the electric push rod (1), and a sealing ring is provided between the rotating seat (201) and the end of the output shaft of the electric push rod (1).

3. The wide range extension rod according to claim 1, characterized in that: The guide frame (204) is fixedly mounted on the inner wall of the output shaft of the electric push rod (1), and the electromagnet (207) is arranged on a side of the locking tooth block (205) away from the rotating seat (201).

4. The wide range extension rod according to claim 1, characterized in that: The worm (211) is rotatably connected to the inner wall of the rotating seat (201), and the output shaft end of the rotating motor (212) is transmission-connected to the rotating arm (209) via the worm (211) and the fan-shaped worm wheel (210).

5. The wide range extension rod according to claim 1, characterized in that: The cross-sectional shape of the locking tooth block (205) is set to be fan-shaped, and the locking tooth block (205) matches the locking gear (202), and the two ends of the return spring (206) are respectively fixedly connected to the locking tooth block (205) and the guide frame (204).

6. The wide range extension rod according to claim 1, characterized in that: The probe seat (214) is detachably connected to the mounting seat (213) via bolts, and an internal thread groove is provided inside the probe seat (214).

7. The wide-range extension rod according to claim 1, characterized in that: The holding mechanism (4) comprises a fixing tube (401) and a holding handle (403), and a mounting screw hole (402) is provided on the bottom surface of the fixing tube (401).

8. The wide-range extension rod according to claim 7, characterized in that: The top of the gripping handle (403) is fixedly connected with a mounting screw (404), the mounting screw (404) matches the mounting screw hole (402), and the outer surface of the gripping handle (403) is fixedly connected with an anti-slip sleeve (405).