CN112145289A - Cleaning equipment for carbon deposit on inner wall of automobile exhaust pipe - Google Patents

Cleaning equipment for carbon deposit on inner wall of automobile exhaust pipe Download PDF

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Publication number
CN112145289A
CN112145289A CN202011119071.5A CN202011119071A CN112145289A CN 112145289 A CN112145289 A CN 112145289A CN 202011119071 A CN202011119071 A CN 202011119071A CN 112145289 A CN112145289 A CN 112145289A
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CN
China
Prior art keywords
wheel
shaft
fixedly arranged
rod
pull rope
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.)
Withdrawn
Application number
CN202011119071.5A
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Chinese (zh)
Inventor
涂河
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.)
Shengzhou Tamu Automobile Exhaust Treatment Co ltd
Original Assignee
Shengzhou Tamu Automobile Exhaust Treatment 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 Shengzhou Tamu Automobile Exhaust Treatment Co ltd filed Critical Shengzhou Tamu Automobile Exhaust Treatment Co ltd
Priority to CN202011119071.5A priority Critical patent/CN112145289A/en
Publication of CN112145289A publication Critical patent/CN112145289A/en
Withdrawn legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B77/00Component parts, details or accessories, not otherwise provided for
    • F02B77/04Cleaning of, preventing corrosion or erosion in, or preventing unwanted deposits in, combustion engines

Abstract

The invention discloses a cleaning device for carbon deposition on the inner wall of an automobile exhaust pipe, which comprises a shell, wherein a slide block rod is arranged in the shell in a sliding manner, a threaded shaft is rotatably arranged on the right side of the sliding block rod, a threaded fixing rod is fixedly arranged on the right side wall of the shell, a thread meshing block is fixedly arranged on the thread fixing rod and is in threaded connection with the threaded shaft, the left chute is fixedly arranged on the right side of the threaded shaft, the cleaning equipment for carbon deposition on the inner wall of the automobile exhaust pipe can effectively extend into the automobile exhaust pipe when in use, carbon deposition and other impurity to its exhaust pipe inner wall long-term accumulation strike off the cleanness, clean efficient, automobile exhaust pipe work efficiency promotes by a wide margin after having cleaned, the effectual feature of environmental protection and the tail gas catalysis that has increased automobile exhaust emission are strained, long service life, easy and simple to handle need not manual operation.

Description

Cleaning equipment for carbon deposit on inner wall of automobile exhaust pipe
Technical Field
The invention relates to the field of automobile exhaust purification, in particular to a device for cleaning carbon deposited on the inner wall of an automobile exhaust pipe.
Background
At present, with the increasing number of automobiles, the emission of automobile exhaust becomes an important environmental protection problem, and because the automobile exhaust pipe can form a thick layer of carbon deposit and impurities on the inner wall after long-term use, the contact area of a three-way catalyst and the automobile exhaust is greatly reduced, the catalytic absorption rate of the emission of the automobile exhaust is influenced, the environmental pollution is caused, and the urban air is influenced.
Disclosure of Invention
In order to solve the problems, the present embodiment provides an automobile exhaust pipe inner wall carbon deposition cleaning device, which comprises a housing, wherein a slider rod is arranged in the housing in a sliding manner, a threaded shaft is arranged on the right side of the slider rod in a rotating manner, a threaded fixing rod is fixedly arranged on the right side wall of the housing, a threaded engagement block is fixedly arranged on the threaded fixing rod, the threaded engagement block is in threaded connection with the threaded shaft, a left sliding chute is fixedly arranged on the right side of the threaded shaft, a left sliding block is fixedly arranged in the left sliding chute in a sliding manner, a left shaft fixing block is fixedly arranged on the left sliding block, a left main shaft is rotatably arranged on the left shaft fixing block, the left main shaft is fixedly connected with the threaded shaft, a fixing rod wheel is fixedly arranged on the left side of the left main shaft, a threaded ring fixing rod is fixedly arranged on the fixing rod wheel, and an internal threaded ring is fixedly arranged on the threaded, six torsional spring cavities are annularly arranged in the internal thread ring, a left transmission shaft is rotatably arranged on the left side of each torsional spring cavity, a torsional spring is connected between the left transmission shaft and the side wall of each torsional spring cavity, a scraper transmission wheel is fixedly arranged on the right side of the left transmission shaft, a scraper is fixedly arranged on the left side of the left transmission shaft, a right chute is fixedly arranged on the right side of the left chute, a right sliding block is slidably arranged in the right chute, a right shaft fixing block is fixedly arranged on the right sliding block, a right main shaft is rotatably arranged on the right shaft fixing block, a sun gear is fixedly arranged at the left end of the right main shaft, three rotating rods are fixedly arranged on the right main shaft, a right transmission shaft is rotatably arranged on the rotating rods, a scraper meshing wheel is fixedly arranged at the left end of the right transmission shaft, the scraper meshing wheel can be meshed with the scraper transmission wheel, and a planet wheel is fixedly arranged on the right side of the right transmission shaft and can be meshed with the sun wheel.
Preferably, a pull rope cavity is arranged on the left side of the shell, a wheel fixing rod is fixedly arranged at the lower end of the pull rope cavity, a wheel fixing groove is fixedly arranged on the wheel fixing rod, a block is fixedly arranged on the front sides of two ends of the wheel fixing groove, a pull rope wheel is rotatably arranged on the wheel fixing groove, a main motor is fixedly arranged on the rear side wall of the pull rope cavity, a sleeve shaft is rotatably arranged on the front side of the main motor, a main motor shaft is movably arranged on the front side of the sleeve shaft, a spring is connected between the main motor shaft and the sleeve shaft, a convex rod is fixedly arranged on the front side of the pull rope wheel, a push rod wheel is fixedly arranged on the front side of the main motor shaft, a push rod is fixedly arranged on the push rod wheel, the push rod can stir the convex rod, the push rod can be jacked up by the blocks on two sides of the wheel fixing groove, a spring fixing, a drawing spring is connected between the pull rope sliding block and the spring fixing block, a pull rope is connected between the pull rope sliding block and the rope drawing wheel, and the right end of the pull rope sliding block is fixedly connected with the left end of the sliding block rod.
Preferably, a wire wheel cavity is arranged on the upper side of the shell, an upper fixing rod is fixedly arranged on the upper side wall of the wire wheel cavity, a wire wheel fixing plate is fixedly arranged at the lower end of the upper fixing rod, a wire wheel motor is fixedly arranged on the left lower rear side wall of the wire wheel fixing plate, a wire wheel shaft is rotatably arranged on the front side of the wire wheel motor, symmetrical wire wheel shafts are rotatably arranged on the right lower rear side wall of the wire wheel fixing plate, wire wheel shaft driving wheels are fixedly arranged on the rear sides of the two symmetrical wire wheel shafts, a transmission belt is connected between the wire wheel shaft driving wheels, a rear wire wheel is fixedly arranged in the middle section of the wire wheel shaft, a weight block is slidably arranged in the wire wheel cavity, a pull rope is connected between the weight block and the rear wire wheel, a front wire wheel is fixedly arranged on the front side of the wire wheel shaft, fixed plate wheels which are bila, the movable plate wheel and the fixed plate wheel and the line wheel shaft and the weight are connected with a pull rope, a cleaning pull rod is fixedly arranged on the lower side of the movable plate, the cleaning pull rod is fixedly connected with the side wall of the pull rope cavity, an exhaust pipe is fixedly arranged on the lower side of the line wheel cavity, a blocking shaft is rotatably arranged on the left side of the exhaust pipe, a blocking rod is fixedly arranged on the blocking shaft, and the blocking rod can be pressed downwards in the pull rope cavity.
The invention has the beneficial effects that: the cleaning equipment for carbon deposition on the inner wall of the automobile exhaust pipe can effectively extend into the automobile exhaust pipe when in use, and can scrape and clean the carbon deposition and other impurities accumulated on the inner wall of the exhaust pipe for a long time, the cleaning efficiency is high, the working efficiency of the automobile exhaust pipe is greatly improved after cleaning, the environmental protection property of automobile exhaust emission and the tail gas catalytic filtration are effectively improved, the service life is long, and the operation is simple and convenient without manual operation.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure A-A of FIG. 1;
FIG. 3 is a schematic diagram of B-B of FIG. 1;
FIG. 4 is a schematic diagram of the structure of C-C in FIG. 1;
fig. 5 is a schematic diagram of structure D in fig. 1.
Detailed Description
The invention will now be described in detail with reference to fig. 1-5, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The invention relates to cleaning equipment for carbon deposition on the inner wall of an automobile exhaust pipe, which comprises a shell 10, wherein a sliding block rod 31 is arranged in the shell 10 in a sliding manner, a threaded shaft 33 is arranged on the right side of the sliding block rod 31 in a rotating manner, a threaded fixing rod 32 is fixedly arranged on the right side wall of the shell 10, a threaded meshing block 34 is fixedly arranged on the threaded fixing rod 32, the threaded meshing block 34 is in threaded connection with the threaded shaft 33, a left sliding chute 45 is fixedly arranged on the right side of the threaded shaft 33, a left sliding block 36 is fixedly arranged in the left sliding chute 45 in a sliding manner, a left shaft fixing block 35 is fixedly arranged on the left sliding block 36, a left main shaft 48 is rotatably arranged on the left shaft fixing block 35, the left main shaft 48 is fixedly connected with the threaded shaft 33, a fixing rod wheel 47 is fixedly arranged on the left side of the left main shaft 48, a threaded ring fixing rod 46 is fixedly arranged on the fixing, the annular is equipped with six torsional spring chamber 59 in the internal thread ring 65, torsional spring chamber 59 left side is rotated and is equipped with left transmission shaft 56, be connected with torsional spring 60 between left transmission shaft 56 and the torsional spring chamber 59 lateral wall, the fixed scraper drive wheel 57 that is equipped with in left transmission shaft 56 right side, the fixed scraper 55 that is equipped with in left transmission shaft 56 left side, the fixed right spout 42 that is equipped with in left spout 45 right side, it has right slider 41 to slide in the right spout 42, the fixed right axle fixed block 40 that is equipped with on the right slider 41, it is equipped with right main shaft 39 to rotate on the right axle fixed block 40, the fixed sun gear 43 that is equipped with in right main shaft 39 left end, the fixed three dwang 38 that are equipped with on right main shaft 39, it is equipped with right transmission shaft 37 to rotate on dwang 38, the fixed scraper meshing wheel 58 that is equipped with in right, the middle section of the right transmission shaft 37 is fixedly provided with a threaded ring meshing wheel 54, the threaded ring meshing wheel 54 can be meshed with the inner wall of the internal threaded ring 65, the right side of the right transmission shaft 37 is fixedly provided with a planet wheel 44, and the planet wheel 44 can be meshed with the sun wheel 43.
Beneficially, a rope pulling cavity 50 is arranged on the left side of the casing 10, a wheel fixing rod 25 is fixedly arranged at the lower end of the rope pulling cavity 50, a wheel fixing groove 23 is fixedly arranged on the wheel fixing rod 25, a wheel is fixedly arranged on the front sides of two ends of the wheel fixing groove 23, a rope pulling wheel 24 is rotatably arranged on the wheel fixing groove 23, a main motor 63 is fixedly arranged on the rear side wall of the rope pulling cavity 50, a sleeve shaft 64 is rotatably arranged on the front side of the main motor 63, a main motor shaft 26 is rotatably arranged on the front side of the sleeve shaft 64, a spring is connected between the main motor shaft 26 and the sleeve shaft 64, a convex rod 53 is fixedly arranged on the front side of the rope pulling wheel 24, a push rod wheel 51 is fixedly arranged on the front side of the main motor shaft 26, a push rod 52 is fixedly arranged on the push rod wheel 51, the push rod 52 can pull the convex rod 53, the push rod 52 can be jacked by blocks on two sides of, a pull rope sliding block 30 is slidably arranged on the upper right side wall of the pull rope cavity 50, a pulling spring 28 is connected between the pull rope sliding block 30 and the spring fixing block 27, a pull rope is connected between the pull rope sliding block 30 and the pull rope wheel 24, and the right end of the pull rope sliding block 30 is fixedly connected with the left end of the sliding block rod 31.
Beneficially, a wire wheel cavity 13 is arranged on the upper side of the shell 10, an upper fixing rod 12 is fixedly arranged on the upper side wall of the wire wheel cavity 13, a wire wheel fixing plate 11 is fixedly arranged at the lower end of the upper fixing rod 12, a wire wheel motor 61 is fixedly arranged on the left lower rear side wall of the wire wheel fixing plate 11, a wire wheel shaft 14 is rotatably arranged on the front side of the wire wheel motor 61, symmetrical wire wheel shafts 14 are rotatably arranged on the right lower rear side wall of the wire wheel fixing plate 11, wire wheel shaft driving wheels 62 are fixedly arranged on the rear sides of the two symmetrical wire wheel shafts 14, a transmission belt is connected between the wire wheel shaft driving wheels 62, a rear wire wheel 20 is fixedly arranged in the middle section of the wire wheel shaft 14, a weight 15 is slidably arranged in the wire wheel cavity 13, a pull rope is connected between the weight 15 and the rear wire wheel 20, a front wire wheel 19 is fixedly arranged on the front, the line wheel chamber 13 downside slides and is equipped with the moving plate 18, it is equipped with the moving plate wheel 16 to rotate on the moving plate 18, the moving plate wheel 16 with the fixed plate wheel 17 with line shaft 14 with be connected with the stay cord between the pouring weight 15, the fixed clean pull rod 49 that is equipped with of moving plate 18 downside, clean pull rod 49 with the side wall fixed connection on the stay cord chamber 50, line wheel chamber 13 downside is fixed and is equipped with blast pipe 29, blast pipe 29 left side is rotated and is equipped with fender axle 21, the fixed fender pole 22 that is equipped with on the fender axle 21, fender pole 22 can the stay cord chamber 50 pushes down.
The use steps herein are described in detail below with reference to fig. 1-5: in the initial state, under the action of a torsion spring in the baffle shaft 21, the baffle rod 22 seals the exhaust pipe 29, the exhaust pipe normally works, the reel motor 61 is not started, the reel shaft 14 does not rotate, the reel shaft driving wheel 62 does not rotate, the rear reel 20 does not rotate, the front reel 19 does not rotate, the moving plate 18 does not move downwards, the cleaning pull rod 49 does not move downwards, the pull rope cavity 50 does not move downwards, the main motor 63 does not rotate, the sleeve shaft 64 does not rotate, the main motor shaft 26 does not rotate, the pull rope wheel 24 does not rotate, the push rod 52 does not rotate, the pull rope wheel 24 does not rotate, the pull rope slider 30 does not move rightwards, the slider rod 31 does not move rightwards, the threaded shaft 33 is not in threaded engagement with the threaded engagement block 34, the threaded shaft 33 does not rotate, the left main shaft 48 does not rotate, the fixed rod wheel, the right drive shaft 37 does not rotate, the scraper engagement wheel 58 does not rotate, the scraper drive wheel 57 does not rotate in engagement, the scraper 55 does not rotate, the planet wheel 44 does not rotate, the sun wheel 43 does not rotate, and the right spindle 39 does not rotate.
When carbon deposition on the inner wall of the exhaust pipe needs to be cleaned, the reel motor 61 is started, the reel shaft 14 is rotated to drive the reel shaft driving wheel 62 to rotate, the rear reel 20 is rotated, the front reel 19 is rotated to drive the moving plate 18 to move downwards to drive the cleaning pull rod 49 to move downwards, the equipment is inserted into the exhaust pipe, the main motor 63 is started to drive the sleeve shaft 64 to rotate, the main motor shaft 26 is rotated to drive the push rod wheel 51 to rotate, the push rod 52 is rotated to drive the convex rod 53 to rotate the pull rope wheel 24, when the push rod 52 is jacked up by a convex block on the wheel fixing groove 23, the pull rope sliding block 30 moves rightwards, the sliding block rod 31 moves rightwards to drive the threaded shaft 33 to move rightwards in the threaded meshing block 34 due to threaded rotation, the left main shaft 48 rotates to drive the fixing rod wheel 47 to rotate, the threaded ring fixing rod 46 drives the internal threaded ring 65 to rotate, and, the right transmission shaft 37 is driven to rotate, so that the planet wheel 44 is rotatably meshed with the sun wheel 43 to rotate, the right main shaft 39 and the left main shaft 48 have different rotating speeds, the right transmission shaft 37 rotates to enable the scraper meshing wheel 58 to rotate, the meshed scraper driving wheel 57 rotates to enable the left transmission shaft 56 to rotate, the scraper 55 rotates to scrape and rub the inner wall of the exhaust pipe 29, carbon deposition is removed, and after the scraper meshing wheel 58 is disengaged from the scraper driving wheel 57, the scraper is rotated reversely under the action of the torsion spring 60, so that the scraper 55 is rotated reversely.
The invention has the beneficial effects that: the cleaning equipment for carbon deposition on the inner wall of the automobile exhaust pipe can effectively extend into the automobile exhaust pipe when in use, and can scrape and clean the carbon deposition and other impurities accumulated on the inner wall of the exhaust pipe for a long time, the cleaning efficiency is high, the working efficiency of the automobile exhaust pipe is greatly improved after cleaning, the environmental protection property of automobile exhaust emission and the tail gas catalytic filtration are effectively improved, the service life is long, and the operation is simple and convenient without manual operation.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims (3)

1. A cleaning device for carbon deposition on the inner wall of an automobile exhaust pipe comprises a shell, wherein a slider rod is arranged in the shell in a sliding manner, a threaded shaft is arranged on the right side of the slider rod in a rotating manner, a threaded fixing rod is fixedly arranged on the right side wall of the shell, a threaded engagement block is fixedly arranged on the threaded fixing rod and in threaded connection with the threaded shaft, a left sliding chute is fixedly arranged on the right side of the threaded shaft, a left slider is fixedly arranged in the left sliding chute in a sliding manner, a left shaft fixing block is fixedly arranged on the left slider, a left main shaft is rotatably arranged on the left shaft fixing block and fixedly connected with the threaded shaft, a fixing rod wheel is fixedly arranged on the left side of the left main shaft, a threaded ring fixing rod is fixedly arranged on the fixing rod, an internal threaded ring is fixedly arranged on the threaded ring fixing rod, and six torsional spring cavities, the left side of the torsional spring cavity is rotatably provided with a left transmission shaft, a torsional spring is connected between the left transmission shaft and the side wall of the torsional spring cavity, the right side of the left transmission shaft is fixedly provided with a scraper transmission wheel, the left side of the left transmission shaft is fixedly provided with a scraper, the right side of the left chute is fixedly provided with a right chute, a right slide block is slidably arranged in the right chute, a right shaft fixed block is fixedly arranged on the right slide block, a right main shaft is rotatably arranged on the right shaft fixed block, the left end of the right main shaft is fixedly provided with a sun gear, the right main shaft is fixedly provided with three rotating rods, the rotating rods are rotatably provided with a right transmission shaft, the left end of the right transmission shaft is fixedly provided with a scraper meshing wheel, the scraper meshing wheel can be meshed with the scraper transmission wheel, the middle section, and a planet wheel is fixedly arranged on the right side of the right transmission shaft and can be meshed with the sun wheel.
2. The device for cleaning carbon deposition on the inner wall of the exhaust pipe of the automobile exhaust according to claim 1, wherein: a pull rope cavity is arranged on the left side of the shell, a wheel fixing rod is fixedly arranged at the lower end of the pull rope cavity, a wheel fixing groove is fixedly arranged on the wheel fixing rod, a block is fixedly arranged on the front sides of two ends of the wheel fixing groove, a pull rope wheel is rotatably arranged on the wheel fixing groove, a main motor is fixedly arranged on the rear side wall of the pull rope cavity, a sleeve shaft is rotatably arranged on the front side of the main motor, a main motor shaft is movably arranged on the front side of the sleeve shaft, a spring is connected between the main motor shaft and the sleeve shaft, a convex rod is fixedly arranged on the front side of the pull rope wheel, a push rod wheel is fixedly arranged on the front side of the main motor shaft, a push rod is fixedly arranged on the push rod wheel and can stir the convex rod, the push rod can be jacked up by the blocks on two sides of the wheel fixing groove, a spring fixing block is fixedly arranged on the upper right side wall of the pull, the pull rope is connected between the pull rope sliding block and the pull rope wheel, and the right end of the pull rope sliding block is fixedly connected with the left end of the sliding block rod.
3. The device for cleaning carbon deposition on the inner wall of the exhaust pipe of the automobile exhaust according to claim 1, wherein: the upper side of the shell is provided with a wire wheel cavity, the upper side wall of the wire wheel cavity is fixedly provided with an upper fixed rod, the lower end of the upper fixed rod is fixedly provided with a wire wheel fixed plate, the left lower rear side wall of the wire wheel fixed plate is fixedly provided with a wire wheel motor, the front side of the wire wheel motor is rotatably provided with a wire wheel shaft, the right lower rear side wall of the wire wheel fixed plate is rotatably provided with symmetrical wire wheel shafts, the rear sides of the two symmetrical wire wheel shafts are fixedly provided with wire wheel driving wheels, a transmission belt is connected between the wire wheel shaft driving wheels, the middle section of the wire wheel shaft is fixedly provided with a rear wire wheel, a weight block is slidably arranged in the wire wheel cavity, a pull rope is connected between the weight block and the rear wire wheel, the front side of the wire wheel shaft is fixedly provided with a front wire wheel, the lower side of the, the movable plate wheel and the fixed plate wheel and the line wheel shaft and the weight are connected with a pull rope, a cleaning pull rod is fixedly arranged on the lower side of the movable plate, the cleaning pull rod is fixedly connected with the side wall of the pull rope cavity, an exhaust pipe is fixedly arranged on the lower side of the line wheel cavity, a blocking shaft is rotatably arranged on the left side of the exhaust pipe, a blocking rod is fixedly arranged on the blocking shaft, and the blocking rod can be pressed downwards in the pull rope cavity.
CN202011119071.5A 2020-10-19 2020-10-19 Cleaning equipment for carbon deposit on inner wall of automobile exhaust pipe Withdrawn CN112145289A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011119071.5A CN112145289A (en) 2020-10-19 2020-10-19 Cleaning equipment for carbon deposit on inner wall of automobile exhaust pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011119071.5A CN112145289A (en) 2020-10-19 2020-10-19 Cleaning equipment for carbon deposit on inner wall of automobile exhaust pipe

Publications (1)

Publication Number Publication Date
CN112145289A true CN112145289A (en) 2020-12-29

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011119071.5A Withdrawn CN112145289A (en) 2020-10-19 2020-10-19 Cleaning equipment for carbon deposit on inner wall of automobile exhaust pipe

Country Status (1)

Country Link
CN (1) CN112145289A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112959695A (en) * 2021-02-04 2021-06-15 杭州执偕百货有限公司 Smoked equipment of two-sided smoking of smoked sheet glue

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112959695A (en) * 2021-02-04 2021-06-15 杭州执偕百货有限公司 Smoked equipment of two-sided smoking of smoked sheet glue

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Application publication date: 20201229