CN220730529U - Pipeline endoscope with self-cleaning function - Google Patents

Pipeline endoscope with self-cleaning function Download PDF

Info

Publication number
CN220730529U
CN220730529U CN202322412667.XU CN202322412667U CN220730529U CN 220730529 U CN220730529 U CN 220730529U CN 202322412667 U CN202322412667 U CN 202322412667U CN 220730529 U CN220730529 U CN 220730529U
Authority
CN
China
Prior art keywords
sleeve
self
cleaning
motor
operator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202322412667.XU
Other languages
Chinese (zh)
Inventor
曹桂峰
张歌
陈小冬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xuzhou Gelan Photoelectric Technology Co ltd
Original Assignee
Xuzhou Gelan Photoelectric Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xuzhou Gelan Photoelectric Technology Co ltd filed Critical Xuzhou Gelan Photoelectric Technology Co ltd
Priority to CN202322412667.XU priority Critical patent/CN220730529U/en
Application granted granted Critical
Publication of CN220730529U publication Critical patent/CN220730529U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Instruments For Viewing The Inside Of Hollow Bodies (AREA)

Abstract

The utility model discloses a pipeline endoscope with a self-cleaning function, which comprises: an operator, an auxiliary mechanism, a moving mechanism and a wire harness mechanism; the device is characterized in that a peeping mechanism is arranged on the operator, an auxiliary mechanism is arranged on the outer side of the peeping mechanism, a moving mechanism is arranged in the auxiliary mechanism, and a wire harness mechanism is arranged in the operator. This pipeline endoscope with self-cleaning function, the mechanism of peeping of manipulator is convenient to operate for whole simple operation makes whole operating efficiency improve greatly, and auxiliary mechanism makes whole device more stable when using, and moving mechanism has improved the life of device greatly, has reduced the problem that wastes time and energy that manual threading leads to, and the cleaning block in leading to the inslot is convenient to clean the scanning head on the detecting piece, has reduced the problem that need take out the inconvenient use that the back was cleaned and leads to, and wire binding mechanism has improved the practicality of device greatly, has reduced the inconvenient problem that manual rolling led to.

Description

Pipeline endoscope with self-cleaning function
Technical Field
The utility model relates to the technical field of pipeline endoscopes, in particular to a pipeline endoscope with a self-cleaning function.
Background
The pipeline endoscope can be used for checking and observing places which cannot be directly observed by human eyes under high temperature, toxic and nuclear radiation. The method is mainly used for automobiles, aeroengines, pipelines, mechanical parts and the like, can realize nondestructive detection under the condition of no need of disassembly or damage of assembly and equipment stop operation, and can also be used for video detection of conditions such as welding lines, corrosion, blockage, difference, foreign matters and the like in ventilation pipelines, air-conditioning pipelines, water pipes and industrial pipelines, and in the use process of the pipeline endoscope, the lens is easy to paste, and cleaning is needed at the moment, so that the pipeline endoscope with a self-cleaning function is needed.
At present, the stability of current pipeline endoscope when examining is insufficient, consequently often can take place friction shake in moving, influence its inspection effect and efficiency afterwards, reduced pipeline endoscope's practicality, the video of reaction on the endoscope presents the picture of shake, operating personnel is difficult to good observe the inside condition of pipeline, the precision of examining time has been reduced, and when endoscope needs to be clean, current mode needs to take out to put into again after clean, make overall operation efficiency reduce, and need carry out manual rolling with the connecting wire after the overall use, make overall operation inconvenient.
Disclosure of Invention
The utility model aims to provide a pipeline endoscope with a self-cleaning function, which aims to solve the problems that the existing pipeline endoscope in the market is insufficient in stability during detection, so that friction shake frequently occurs during movement, the subsequent detection effect and efficiency are affected, the practicability of the pipeline endoscope is reduced, a video reacted on the endoscope shows a jittery picture, an operator is difficult to observe the condition inside the pipeline well, the detection accuracy is reduced, and when the endoscope needs to be cleaned, the pipeline endoscope needs to be pulled out and cleaned and then put into the pipeline endoscope again in the prior art, the overall operation efficiency is reduced, and a connecting wire needs to be manually wound after the whole use, so that the overall operation is inconvenient.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a pipeline endoscope with self-cleaning function, comprising: an operator, an auxiliary mechanism, a moving mechanism and a wire harness mechanism;
the device is characterized in that a peeping mechanism is arranged on the operator, an auxiliary mechanism is arranged on the outer side of the peeping mechanism, a moving mechanism is arranged in the auxiliary mechanism, and a wire harness mechanism is arranged in the operator.
Preferably, the snoop mechanism includes: the device comprises a display screen, keys, a buzzer, a flash lamp, a cavity, a processor, a connecting wire, a detection piece and a scanning head;
the display screen is arranged on the surface of the operator, the key is arranged on the surface of the operator, the buzzer is arranged on the surface of the operator, and the flashing lamp is arranged on the surface of the operator.
Preferably, the cavity is formed in the manipulator, a processor is mounted in the cavity, a detection piece is connected to the processor through a connecting wire, and a scanning head is mounted on the surface of the detection piece.
Preferably, the auxiliary mechanism includes: the device comprises a sleeve, a first fixed sleeve, a second fixed sleeve, an inclined rod, a telescopic rod, a movable wheel, a storage battery and an illuminating lamp;
the sleeve is installed in the detecting piece outside, the first fixed cover is installed in the sleeve outside, the fixed cover of second is installed in the sleeve outside, first fixed cover side is connected with the hang lever through the telescopic link, hang lever one end is installed in the fixed cover side of second, the removal wheel is installed to the hang lever other end.
Preferably, a storage battery is arranged at the side end of the sleeve, and an illuminating lamp is arranged on the storage battery.
Preferably, the moving mechanism includes: the cleaning device comprises a first motor, a threaded rod, a moving plate, a sliding block, a sliding rod, a through groove and a cleaning block;
the first motor is installed inside the sleeve, first motor output is connected with the threaded rod, through-connection has the movable plate on the threaded rod, install the detection piece on the movable plate, the slider is installed to the movable plate side, slider sliding connection is on the slide bar, the slide bar is installed inside the sleeve, logical groove is seted up at sleeve side, logical groove internally mounted has the cleaning block.
Preferably, the wire harness mechanism includes: the device comprises a mounting plate, a fixing screw, a second motor, a rotating shaft and a stop block;
the mounting plate is arranged inside the cavity through a fixing screw, and a second motor is arranged on the mounting plate.
Preferably, the output end of the second motor is connected with a rotating shaft, and a stop block is arranged on the rotating shaft.
Compared with the prior art, the utility model has the beneficial effects that: this pipeline endoscope with self-cleaning function, the mechanism of peeping of manipulator is convenient to operate for whole simple operation makes whole operating efficiency improve greatly, and auxiliary mechanism makes whole device more stable when using, and moving mechanism has improved the life of device greatly, has reduced the problem that wastes time and energy that manual threading leads to, and the cleaning block in leading to the inslot is convenient to clean the scanning head on the detecting piece, has reduced the problem that need take out the inconvenient use that the back was cleaned and leads to, and wire binding mechanism has improved the practicality of device greatly, has reduced the inconvenient problem that manual rolling led to.
1. The sleeve of the auxiliary mechanism enables the detection part to be used more conveniently, the first fixed sleeve and the second fixed sleeve are arranged to be matched for use, the inclined rod is arranged to be adjusted in angle through the extension and shortening of the telescopic rod, the movable wheel arranged at the end part of the inclined rod is convenient to adjust according to the inner diameter of the pipeline, the whole device is enabled to be more stable in use, the practicability of the device is greatly improved, the use range of the device is greatly improved, the storage battery is arranged to facilitate the lighting operation of the lighting lamp, the lighting structure is enabled to be more convenient and faster in use, the problem of inconvenient use caused by the fact that the lighting structure needs to be connected is solved, and the practicability of the device is greatly improved;
2. the first motor of the moving mechanism conveniently drives the threaded rod to rotate, the moving plate moves on the sliding rod through the sliding block, the detection piece conveniently moves through the movement of the moving plate, so that the detection piece is convenient to use and store, the service life of the device is greatly prolonged, the time and labor waste caused by manual threading are reduced, the scanning head on the detection piece is conveniently cleaned by the cleaning block in the through groove, the convenience of the device is greatly improved, the whole device is convenient to self-clean, and the problem of inconvenient use caused by cleaning after taking out is reduced;
3. the mounting panel of wire binding mechanism passes through the fixed screw to be installed inside the cavity, consequently facilitates the use fixed screw installs the second motor and dismantles, and the second motor conveniently drives the pivot and rotates, can fix the connecting wire in the pivot this moment, and the dog that the pivot top set up is convenient fixes the connecting wire, consequently can rotate according to needs for the connecting wire is convenient to relax and tighten up the operation, has improved the practicality of device greatly, has reduced the inconvenient problem that manual rolling leads to.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a part of the structure of the present utility model;
FIG. 3 is a schematic view of a part of the internal structure of the present utility model;
FIG. 4 is a schematic view of the internal structure of a part of the present utility model.
In the figure: 1. an operator; 2. a snoop mechanism; 201. a display screen; 202. a key; 203. a buzzer; 204. a flashing light; 205. a cavity; 206. a processor; 207. a connecting wire; 208. a detecting member; 209. a scanning head; 3. an auxiliary mechanism; 301. a sleeve; 302. a first fixing sleeve; 303. a second fixing sleeve; 304. an inclined lever; 305. a telescopic rod; 306. a moving wheel; 307. a storage battery; 308. a lighting lamp; 4. a moving mechanism; 401. a first motor; 402. a threaded rod; 403. a moving plate; 404. a slide block; 405. a slide bar; 406. a through groove; 407. a cleaning block; 5. a wire harness mechanism; 501. a mounting plate; 502. a set screw; 503. a second motor; 504. a rotating shaft; 505. and a stop block.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides a technical solution: a pipeline endoscope with self-cleaning function, comprising: an operator 1, an assist mechanism 3, a moving mechanism 4, and a harness mechanism 5;
the operator 1 is provided with a peeping mechanism 2, an auxiliary mechanism 3 is arranged outside the peeping mechanism 2, a moving mechanism 4 is arranged in the auxiliary mechanism 3, and the operator 1 is provided with a wire harness mechanism 5.
The snoop mechanism 2 includes: display screen 201, button 202, buzzer 203, flash 204, cavity 205, treater 206, connecting wire 207, detection piece 208 and scanning head 209, display screen 201 installs on the surface of manipulator 1, button 202 installs on the surface of manipulator 1, buzzer 203 installs on the surface of manipulator 1, flash 204 installs on the surface of manipulator 1, the mechanism 2 that peeks of manipulator 1 conveniently operates for whole simple operation, the display screen 201 that sets up operates with the cooperation of button 202, the buzzer 203 that sets up cooperates with flash 204 and prompts the user, make whole convenient operation, the availability factor of device has been improved greatly.
The cavity 205 is arranged inside the manipulator 1, a processor 206 is arranged inside the cavity 205, a detection piece 208 is connected to the processor 206 through a connecting wire 207, a scanning head 209 is arranged on the surface of the detection piece 208, the picture scanned by the scanning head 209 is conveniently processed by the processor 206 in the arranged cavity 205, the use is convenient, the detection piece 208 connected through the connecting wire 207 is conveniently snooped by the scanning head 209, the scanning head 209 is conveniently detected in all directions, and the detection piece 208 is conveniently placed in a pipeline to conveniently carry out the transmission of the picture, so that the overall operation efficiency is greatly improved.
An assist mechanism 3 includes: the sleeve 301, the first fixed sleeve 302, the second fixed sleeve 303, the inclined rod 304, the telescopic rod 305, the movable wheel 306, the storage battery 307 and the illuminating lamp 308, sleeve 301 is installed in the outside of detecting piece 208, first fixed sleeve 302 is installed in the outside of sleeve 301, second fixed sleeve 303 is installed in the outside of sleeve 301, the inclined rod 304 is connected with the side end of first fixed sleeve 302 through telescopic rod 305, one end of inclined rod 304 is installed at the side end of second fixed sleeve 303, movable wheel 306 is installed at the other end of inclined rod 304, sleeve 301 of auxiliary mechanism 3 makes detecting piece 208 use more convenient, the first fixed sleeve 302 of setting is used with the cooperation of second fixed sleeve 303, the inclined rod 304 of setting is adjusted through the extension and the shortening of telescopic rod 305, make movable wheel 306 that inclined rod 304 tip set up convenient to adjust according to the pipeline internal diameter, make whole device more stable when using, the practicality of device has been improved greatly, the application range of device has been improved greatly.
The battery 307 is installed to sleeve 301 side, installs light 308 on the battery 307, and the battery 307 of setting makes things convenient for light 308 to throw light on the operation for it is more convenient when whole use, has reduced the inconvenient problem of use that needs the connection lighting structure to lead to, has improved the practicality of device greatly.
The moving mechanism 4 includes: the device comprises a first motor 401, a threaded rod 402, a movable plate 403, a sliding block 404, a sliding rod 405, a through groove 406 and a cleaning block 407, wherein the first motor 401 is arranged inside a sleeve 301, the output end of the first motor 401 is connected with the threaded rod 402, the threaded rod 402 is connected with the movable plate 403 in a penetrating manner, a detecting piece 208 is arranged on the movable plate 403, the sliding block 404 is arranged at the side end of the movable plate 403, the sliding block 404 is connected with the sliding rod 405 in a sliding manner, the sliding rod 405 is arranged inside the sleeve 301, the through groove 406 is arranged at the side end of the sleeve 301, the cleaning block 407 is arranged inside the through groove 406, the first motor 401 of the moving mechanism 4 conveniently drives the threaded rod 402 to rotate, the movable plate 403 moves at the sliding rod 405 through the sliding block 404 at the moment, the detecting piece 208 conveniently moves through the movement of the movable plate 403 at the moment, the detecting piece 208 is convenient to use and store, the time and labor waste caused by manual threading is greatly prolonged, the cleaning block 407 in the through groove 406 is convenient to clean the scanning head 209 on the detecting piece 208, the device is greatly improved, the convenience is wholly, and the self-cleaning is convenient to take out and the problem that the cleaning is inconvenient to use after the device is required is reduced.
The wire harness mechanism 5 includes: the mounting plate 501, the set screw 502, the second motor 503, the rotating shaft 504 and the stop block 505, the mounting plate 501 is mounted inside the cavity 205 through the set screw 502, the second motor 503 is mounted on the mounting plate 501, and the mounting plate 501 of the wire harness mechanism 5 is mounted inside the cavity 205 through the set screw 502, so that the second motor 503 is mounted and dismounted conveniently by using the set screw 502.
The output end of the second motor 503 is connected with a rotating shaft 504, a stop block 505 is arranged on the rotating shaft 504, the second motor 503 conveniently drives the rotating shaft 504 to rotate, the connecting wire 207 can be fixed on the rotating shaft 504 at the moment, the stop block 505 arranged at the top of the rotating shaft 504 conveniently fixes the connecting wire 207, and therefore the connecting wire 207 can be rotated according to requirements, the connecting wire 207 can be conveniently loosened and tightened, the practicability of the device is greatly improved, and the inconvenience caused by manual winding is reduced.
Working principle: when the pipeline endoscope with the self-cleaning function is used, firstly, the peeping mechanism 2 of the operator 1 is convenient to operate, the whole operation is convenient, the set display screen 201 is matched with the keys 202 to operate, the set buzzer 203 is matched with the flash lamp 204 to prompt a user, the whole operation is convenient, the use efficiency of the device is greatly improved, the processor 206 in the cavity 205 is convenient to process the picture scanned by the scanning head 209, the use is convenient, the detection piece 208 connected by the connecting wire 207 is convenient to use the scanning head 209 to peep, the scanning head 209 is convenient to detect in all directions, the detection piece 208 is placed in the pipeline to conveniently carry out the picture transmission, the whole operation efficiency is greatly improved, the sleeve 301 of the auxiliary mechanism 3 enables the use of the detection piece 208 to be more convenient, the set first fixing sleeve 302 is matched with the second fixing sleeve 303 to use, the inclined rod 304 is arranged to adjust the angle through the extension and shortening of the telescopic rod 305, the movable wheel 306 arranged at the end part of the inclined rod 304 is convenient to adjust according to the inner diameter of the pipeline, the whole device is more stable in use, the practicability of the device is greatly improved, the use range of the device is greatly improved, the storage battery 307 is convenient for the illumination lamp 308 to carry out illumination operation, the problem of inconvenient use caused by the need of connecting an illumination structure is reduced when the whole device is used, the practicability of the device is greatly improved, the first motor 401 of the moving mechanism 4 conveniently drives the threaded rod 402 to rotate, the moving plate 403 moves on the sliding rod 405 through the sliding block 404, the detecting piece 208 conveniently moves through the movement of the moving plate 403, the detecting piece 208 is convenient to use and store, the service life of the device is greatly prolonged, the problem that wastes time and energy caused by manual threading is reduced, the cleaning block 407 in the through groove 406 is convenient to clean the scanning head 209 on the detecting piece 208, the convenience of the device is greatly improved, the whole device is convenient to self-clean, the problem of inconvenient use caused by cleaning after taking out is reduced, the mounting plate 501 of the wire harness mechanism 5 is mounted in the cavity 205 through the fixing screw 502, therefore, the second motor 503 is convenient to mount and dismount by using the fixing screw 502, the second motor 503 conveniently drives the rotating shaft 504 to rotate, the connecting wire 207 can be fixed on the rotating shaft 504 at the moment, the stop block 505 arranged at the top of the rotating shaft 504 conveniently fixes the connecting wire 207, so that the connecting wire 207 can be rotated according to the requirement, the practicality of the device is greatly improved, the problem of inconvenience caused by manual winding is reduced, and the content which is not described in detail in the description belongs to the prior art known to the person skilled in the art.
Although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (8)

1. A pipeline endoscope with self-cleaning function, comprising: an operator (1), an auxiliary mechanism (3), a moving mechanism (4) and a wire harness mechanism (5), characterized in that;
the device is characterized in that a peeping mechanism (2) is arranged on the manipulator (1), an auxiliary mechanism (3) is arranged on the outer side of the peeping mechanism (2), a moving mechanism (4) is arranged in the auxiliary mechanism (3), and a wire harness mechanism (5) is arranged in the manipulator (1).
2. A self-cleaning endoscope in a duct according to claim 1, wherein: the snoop mechanism (2) comprises: the device comprises a display screen (201), keys (202), a buzzer (203), a flash lamp (204), a cavity (205), a processor (206), a connecting wire (207), a detecting piece (208) and a scanning head (209);
the display screen (201) is arranged on the surface of the operator (1), the key (202) is arranged on the surface of the operator (1), the buzzer (203) is arranged on the surface of the operator (1), and the flash lamp (204) is arranged on the surface of the operator (1).
3. A self-cleaning endoscope in a duct according to claim 2, wherein: the cavity (205) is formed in the manipulator (1), a processor (206) is mounted in the cavity (205), a detection piece (208) is connected to the processor (206) through a connecting wire (207), and a scanning head (209) is mounted on the surface of the detection piece (208).
4. A self-cleaning endoscope in a duct according to claim 1, wherein: the auxiliary mechanism (3) comprises: a sleeve (301), a first fixed sleeve (302), a second fixed sleeve (303), an inclined rod (304), a telescopic rod (305), a movable wheel (306), a storage battery (307) and an illuminating lamp (308);
the sleeve (301) is installed in the outside of detecting piece (208), first fixed cover (302) is installed in sleeve (301) outside, second fixed cover (303) is installed in sleeve (301) outside, first fixed cover (302) side is connected with inclined rod (304) through telescopic link (305), inclined rod (304) one end is installed in fixed cover (303) side of second, movable wheel (306) are installed to inclined rod (304) other end.
5. A self-cleaning endoscope in a duct according to claim 4 and wherein: a storage battery (307) is arranged at the side end of the sleeve (301), and a lighting lamp (308) is arranged on the storage battery (307).
6. A self-cleaning endoscope in a duct according to claim 1, wherein: the moving mechanism (4) includes: the cleaning device comprises a first motor (401), a threaded rod (402), a moving plate (403), a sliding block (404), a sliding rod (405), a through groove (406) and a cleaning block (407);
the utility model discloses a cleaning device for the oil field, including sleeve (301), first motor (401), threaded rod (402) are installed to first motor (401), first motor (401) output is connected with threaded rod (402), through-connection has movable plate (403) on threaded rod (402), install detection spare (208) on movable plate (403), slider (404) are installed to movable plate (403) side, slider (404) sliding connection is on slide bar (405), slide bar (405) are installed inside sleeve (301), logical groove (406) are seted up at sleeve (301) side, logical groove (406) internally mounted has cleaning block (407).
7. A self-cleaning endoscope in a duct according to claim 1, wherein: the wire harness mechanism (5) includes: the device comprises a mounting plate (501), a fixing screw (502), a second motor (503), a rotating shaft (504) and a stop block (505);
the mounting plate (501) is mounted inside the cavity (205) through a fixing screw (502), and the mounting plate (501) is provided with a second motor (503).
8. A self-cleaning endoscope in a duct according to claim 7 and wherein: the output end of the second motor (503) is connected with a rotating shaft (504), and a stop block (505) is arranged on the rotating shaft (504).
CN202322412667.XU 2023-09-05 2023-09-05 Pipeline endoscope with self-cleaning function Active CN220730529U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322412667.XU CN220730529U (en) 2023-09-05 2023-09-05 Pipeline endoscope with self-cleaning function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322412667.XU CN220730529U (en) 2023-09-05 2023-09-05 Pipeline endoscope with self-cleaning function

Publications (1)

Publication Number Publication Date
CN220730529U true CN220730529U (en) 2024-04-05

Family

ID=90498048

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322412667.XU Active CN220730529U (en) 2023-09-05 2023-09-05 Pipeline endoscope with self-cleaning function

Country Status (1)

Country Link
CN (1) CN220730529U (en)

Similar Documents

Publication Publication Date Title
CN110919668B (en) Intelligent voice control pipeline, air pipe video detection device and robot system
CN210732443U (en) Automatic inspection system of transformer substation robot
CN220730529U (en) Pipeline endoscope with self-cleaning function
CN211902390U (en) Periscope device for detecting pipeline defects of eccentric inspection well
CN210075437U (en) Novel water pump house patrols and examines device
CN213956180U (en) Length measuring device for endoscope inspection
CN116088163A (en) Endoscope device for detecting semi-enclosed space and detection method thereof
CN213619697U (en) Steerable automobile endoscope device
CN210800736U (en) Detecting head of inspection device for gate well
CN211399229U (en) Fire control supervisory equipment
CN218935690U (en) Pipeline detector convenient to stretch into pipeline inside
CN212964684U (en) Handheld endoscope
CN221525937U (en) Endoscopic detection device for pipeline repair
CN221572512U (en) Endoscope detector for lumen instrument
CN217237812U (en) Computer fault detection device
CN214632374U (en) Digestive endoscopy fixing and supporting device
CN219104765U (en) In-car pipe detection probe
CN215296212U (en) Automobile chassis clearance detector
CN211741227U (en) Multifunctional gas detector
CN217007851U (en) Light source device for industrial endoscope
CN221595413U (en) Instrument overhauls endoscope device convenient to adjust
CN219675354U (en) Endoscope detects leak hunting device
CN217521048U (en) Underground pipeline investigation projection measuring device
CN220205438U (en) Quick drawing pipeline detector
CN220597488U (en) Manual ventilation collector

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant