CN109222755A - A kind of telescoping tube that multi-head rotary is easily installed - Google Patents
A kind of telescoping tube that multi-head rotary is easily installed Download PDFInfo
- Publication number
- CN109222755A CN109222755A CN201811219737.7A CN201811219737A CN109222755A CN 109222755 A CN109222755 A CN 109222755A CN 201811219737 A CN201811219737 A CN 201811219737A CN 109222755 A CN109222755 A CN 109222755A
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- China
- Prior art keywords
- fixedly connected
- fixed plate
- pipe
- rotation
- turntable
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/24—Hoses or pipes; Hose or pipe couplings
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/24—Hoses or pipes; Hose or pipe couplings
- A47L9/248—Parts, details or accessories of hoses or pipes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Legs For Furniture In General (AREA)
- Electric Vacuum Cleaner (AREA)
Abstract
The invention discloses a kind of telescoping tubes that multi-head rotary is easily installed, including telescopic sleeve, the inner wall of the telescopic sleeve is connected with movable telescopic pipe, the top of the movable telescopic pipe is fixedly connected with adjustable pipe baffle ring, the bottom end of the telescopic sleeve is fixedly connected with adjustable pipe limitation ring, the surface of the movable telescopic pipe is fixedly connected with multi-head rotary device, the multi-head rotary device includes device fixed plate, the bottom surface of described device fixed plate is fixedly connected with rotation support rod, the surface activity of the rotation support rod is connected with rotation support tube, the surface of the rotation support rod is fixedly connected with postive stop baffle, the top surface of the postive stop baffle is flexibly connected with the bottom surface of rotation support tube.The telescoping tube that the multi-head rotary is easily installed has reached by adjusting turntable, carousel supports bar, rotating handles, arc fixed plate, arc panel fixed plate, fixed screw, regulation pipe fixation hole and regulation pipe and has facilitated effect used in everyday.
Description
Technical field
The present invention relates to life appliance technical field, specially a kind of telescoping tube that multi-head rotary is easily installed.
Background technique
Telescoping tube is the common component of household electrical appliance, and telescoping tube can be used in dust catcher, and dust catcher can be divided into vertical by structure
Formula, horizontal, push-down and portable, the working principle of dust catcher are, using motor band movable vane piece high speed rotation, in sealing
Air negative pressure is generated in shell, draws dust, and the primary structure of dust catcher is by telescoping tube, motor of dust collector and brush head of dust collector
It forms, in existing dust catcher, push rod dust catcher is light small and exquisite, not heavy fuselage, without complicated assembling, picks up at any time i.e.
With, it is increasingly becoming the new lover of housewife, and the telescoping tube in push rod dust catcher is long rod hard tube, it can be by adjusting telescoping tube
Length adapt to the use needs of different crowd, and existing telescoping tube, most internal diameter are certain, but most dust suctions
Device is equipped with an assembling brush head, uses for cleaning floor and carpet, and push-down dust catcher can also be equipped with a series of cleaning brush
And suction nozzle, it is used to clean corner, curtain, sofa and gap, and different cleaning brush and suction nozzle size are different, so existing single
Telescoping tube can not adapt to different cleaning brush and suction nozzle, when needing using different cleaning mode, need replacing other stretch
Pipe, use are more inconvenient.
Summary of the invention
The purpose of the present invention is to provide a kind of telescoping tubes that multi-head rotary is easily installed, to solve above-mentioned background technique
The problem of middle proposition.
To achieve the above object, the invention provides the following technical scheme: a kind of telescoping tube that multi-head rotary is easily installed,
Including telescopic sleeve, the inner wall of the telescopic sleeve is connected with movable telescopic pipe, and the top of the movable telescopic pipe is fixed
It is connected with adjustable pipe baffle ring, the bottom end of the telescopic sleeve is fixedly connected with adjustable pipe limitation ring, the table of the movable telescopic pipe
Face is fixedly connected with multi-head rotary device.
The multi-head rotary device includes device fixed plate, and the bottom surface of described device fixed plate is fixedly connected with rotation support
Bar, the surface activity of the rotation support rod are connected with rotation support tube, and the surface of the rotation support rod is fixedly connected limited
The top surface of position baffle, the postive stop baffle is flexibly connected with the bottom surface of rotation support tube, and the surface of the rotation support tube opens up
There is rotary moveable slot, the surface activity of the rotary moveable slot is connected with rotary slider, and the surface of the rotary slider is fixed to be connected
It is connected to rotation fixed plate, the surface of the rotation fixed plate is fixedly connected with adjusting handle, and the rotation fixed plate is far from rotation
The side of sliding block is fixedly connected with arc fixed plate, and the surface of the arc fixed plate is fixedly connected with arc panel fixed plate, institute
The surface for stating arc panel fixed plate offers threaded securing bores, and the surface of the threaded securing bores offers nut fixing groove, institute
The inner thread for stating threaded securing bores is connected with fixed screw, and the surface of the fixed screw is threaded with fixture nut, institute
The surface activity on the surface and nut fixing groove of stating fixture nut connects, and the surface of described device fixed plate offers turntable rotation
Hole, the inner wall of the turntable rotating hole are connected with carousel supports bar, and the upper surface of the carousel supports bar is fixedly connected with
Rotating handles, the bottom end of the carousel supports bar are fixedly connected with adjusting turntable, and the surface for adjusting turntable offers adjusting
Pipe fixation hole, the bottom end of the rotation support rod are fixedly connected with positioning support bar, and the positioning support bar is far from rotation support
One section of bar is fixedly connected with positioning semicanal.
Preferably, the quantity of the regulation pipe fixation hole is four, and the inner wall of four regulation pipe fixation holes is fixed respectively
There are four regulation pipes for connection.
Preferably, the surface of the arc fixed plate is fixedly connected with anti-skid rubber cushion, the surface of the anti-skid rubber cushion
It is connect with the surface activity of movable telescopic pipe, regulation pipe and carousel supports bar.
Preferably, the quantity of the arc fixed plate and arc panel fixed plate is two, and two arc fixed plates with
Arc panel fixed plate is respectively distributed to rotate the front and the back side of support tube as symmetry axis to rotate the side middle line of support tube.
Preferably, the positioning semicanal is located at the underface of movable telescopic pipe, and the side of the positioning semicanal is fixedly connected
There is turntable steadying plate, the turntable steadying plate is fixedly connected with turntable stabiliser bar, the top of the turntable stabiliser bar by bearing
It is fixedly connected with the bottom surface for adjusting turntable.
Preferably, the bottom end of the movable telescopic pipe runs through the top surface of device fixed plate and extends to the outer of device fixed plate
Portion.
Preferably, the quantity of the rotary moveable slot and rotary slider is two, and two rotary moveable slots and rotation
Sliding block is distributed in the front and the back side of rotation support tube to rotate the side middle line of support tube as symmetry axis respectively.
Preferably, the inner thread of the surface of the adjustable pipe baffle ring and telescopic sleeve connects.
Beneficial effect
The present invention provides a kind of telescoping tube that multi-head rotary is easily installed, have it is following the utility model has the advantages that
1. the telescoping tube that the multi-head rotary is easily installed is fixed by adjusting turntable, carousel supports bar, rotating handles, arc
Plate, arc panel fixed plate, fixed screw, regulation pipe fixation hole and regulation pipe can lead to when needing using different cleaning appliances
The underface that various sizes of regulation pipe is quickly moved to movable telescopic pipe by rotating handles is overregulated, and tightens fixed screw,
Regulation pipe has been reached so that adapting to different cleaning utensil by the fixed position of arc fixed plate and facilitated effect used in everyday
Fruit.
2. the telescoping tube that the multi-head rotary is easily installed by positioning semicanal, positioning support bar, rotation support rod, turns
Disk steadying plate and turntable stabiliser bar can be by movable telescopic pipes when needing for cleaning appliance to be installed to the surface of regulation pipe
Cleaning appliance is directed at regulation pipe by the positioning semicanal of underface, and is directly mounted to adjust pipe surface, has reached convenient cleaner
Has the effect being mounted on telescoping tube.
Detailed description of the invention
Fig. 1 is that the present invention just cuts open structural schematic diagram；
Fig. 2 bows for the present invention and cuts open structural schematic diagram；
Fig. 3 is enlarged structure schematic diagram at A of the present invention；
Fig. 4 is enlarged structure schematic diagram at B of the present invention；
Fig. 5 is enlarged structure schematic diagram at C of the present invention.
In figure: 1 telescopic sleeve, 2 movable telescopic pipes, 3 adjustable pipe baffle rings, 4 adjustable pipe limitation rings, 5 multi-head rotary devices,
501 device fixed plates, 502 rotation support rods, 503 rotation support tubes, 504 postive stop baffles, 505 rotary moveable slots, 506 rotations are slided
Block, 507 rotation fixed plates, 508 adjust handle, 509 arc fixed plates, 510 anti-skid rubber cushions, 511 arc panel fixed plates, 512
Threaded securing bores, 513 nut fixing grooves, 514 fixed screws, 515 fixture nuts, 516 turntable rotating holes, 517 carousel supports bars,
518 rotating handles, 519 adjust turntables, 520 regulation pipe fixation holes, 521 regulation pipes, 522 positioning support bars, 523 positioning semicanals,
524 turntable steadying plates, 525 turntable stabiliser bars.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-5 is please referred to, the present invention provides a kind of technical solution: a kind of telescoping tube that multi-head rotary is easily installed, packet
Telescopic sleeve 1 is included, the inner wall of telescopic sleeve 1 is connected with movable telescopic pipe 2, and the top of movable telescopic pipe 2 is fixedly connected with
The surface of adjustable pipe baffle ring 3, adjustable pipe baffle ring 3 is connect with the inner thread of telescopic sleeve 1, and the bottom end of telescopic sleeve 1 is fixed to be connected
It is connected to adjustable pipe limitation ring 4, the surface of movable telescopic pipe 2 is fixedly connected with multi-head rotary device 5.
Multi-head rotary device 5 includes device fixed plate 501, and the top of device fixed plate 501 is run through in the bottom end of movable telescopic pipe 2
Face and the outside for extending to device fixed plate 501, the bottom surface of device fixed plate 501 are fixedly connected with rotation support rod 502, rotation
The surface activity of support rod 502 is connected with rotation support tube 503, and the surface of rotation support rod 502 is fixedly connected with postive stop baffle
504, the top surface of postive stop baffle 504 is flexibly connected with the bottom surface of rotation support tube 503, and the surface of rotation support tube 503 offers
Rotary moveable slot 505, the surface activity of rotary moveable slot 505 are connected with rotary slider 506, and rotary moveable slot 505 and rotation are slided
The quantity of block 506 is two, and two rotary moveable slots 505 and rotary slider 506 are respectively to rotate the side of support tube 503
Middle line is the front and the back side that symmetry axis is distributed in rotation support tube 503, and it is solid that the surface of rotary slider 506 is fixedly connected with rotation
Fixed board 507, the surface of rotation fixed plate 507, which is fixedly connected with, adjusts handle 508, rotates fixed plate 507 far from rotary slider 506
Side be fixedly connected with arc fixed plate 509, the surface of arc fixed plate 509 is fixedly connected with anti-skid rubber cushion 510, anti-skidding
The surface of rubber pad 510 is connect with the surface activity of movable telescopic pipe 2, regulation pipe 521 and carousel supports bar 517, and arc is fixed
The surface of plate 509 is fixedly connected with arc panel fixed plate 511, and the quantity of arc fixed plate 509 and arc panel fixed plate 511 is
Two, and two arc fixed plates 509 and arc panel fixed plate 511 are to rotate the side middle line of support tube 503 as symmetry axis point
It is not distributed in the front and the back side of rotation support tube 503, the surface of arc panel fixed plate 511 offers threaded securing bores 512, spiral shell
The surface of line fixation hole 512 offers nut fixing groove 513, and the inner thread of threaded securing bores 512 is connected with fixed screw
514, the surface of fixed screw 514 is threaded with fixture nut 515, surface and the nut fixing groove 513 of fixture nut 515
Surface activity connection, it is solid by adjusting turntable 519, carousel supports bar 517, rotating handles 518, arc fixed plate 509, arc panel
Fixed board 511, fixed screw 514, regulation pipe fixation hole 520 and regulation pipe 521, when needing using different cleaning appliances, energy
Various sizes of regulation pipe 521 is quickly moved to the underface of movable telescopic pipe 2 by adjusting rotating handles 518, and is tightened
Fixed screw 514 reaches regulation pipe 521 by the fixed position of arc fixed plate 509 so that adapting to different cleaning utensil
Facilitate effect used in everyday, the surface of device fixed plate 501 offers turntable rotating hole 516, turntable rotating hole 516 it is interior
Wall is connected with carousel supports bar 517, and the upper surface of carousel supports bar 517 is fixedly connected with rotating handles 518, carousel supports
The bottom end of bar 517, which is fixedly connected with, adjusts turntable 519, and the surface for adjusting turntable 519 offers regulation pipe fixation hole 520, adjusts
The quantity of pipe fixation hole 520 is four, and the inner wall of four regulation pipe fixation holes 520 is respectively fixedly connected with there are four regulation pipe
521, the bottom end of rotation support rod 502 is fixedly connected with positioning support bar 522, and positioning support bar 522 is far from rotation support rod 502
One section be fixedly connected with positioning semicanal 523, positioning semicanal 523 is located at the underface of movable telescopic pipe 2, positions semicanal 523
Side is fixedly connected with turntable steadying plate 524, and turntable steadying plate 524 is fixedly connected with turntable stabiliser bar 525, turntable by bearing
The top of stabiliser bar 525 is fixedly connected with the bottom surface for adjusting turntable 519, passes through positioning semicanal 523, positioning support bar 522, rotation
Support rod 502, turntable steadying plate 524 and turntable stabiliser bar 525, when the surface for needing for cleaning appliance to be installed to regulation pipe 521
When, cleaning appliance can be directed at regulation pipe 521 by the positioning semicanal 523 immediately below movable telescopic pipe 2, and be directly mounted to
521 surface of regulation pipe has achieved the effect that utensil convenient for cleaning is mounted on telescoping tube.
Working principle:, will when needing to adjust flexible length of tube when the telescoping tube being easily installed using multi-head rotary
Movable telescopic pipe 2 rotates, so that adjustable pipe baffle ring 3 is rotated in the inner thread of telescopic sleeve 1, movable telescopic pipe 2 is and stretches
1 relative motion of casing, so that telescoping tube entire length is elongated, when needing to install different cleaning utensil to regulation pipe 521,
It holds and adjusts handle 508, to adjust fixation in 519 surface modulation pipe fixation hole 520 of turntable by rotating rotating handles 518
The regulation pipe 521 of required size turns to the underface of movable telescopic pipe 2, then holds and adjusts handle 508, by arc fixed plate
509 are rotated in rotary moveable slot 505 by rotary slider 506 and rotation fixed plate 507, so that 509 surface of arc fixed plate
Anti-skid rubber cushion 510 contact to movable telescopic pipe 2, regulation pipe 521 and carousel supports bar 517, then by the arc of the other side
The rotation of fixed plate 509 adjusts rear arc fixed plate 509 and contacts, and fixed screw 514 is tightened in threaded securing bores 512, so that
Arc panel fixed plate 511 is in close contact, and regulation pipe 521 is i.e. fixed to be completed, then by required 523 table of cleaning head placement positioning semicanal
Cleaning head directly connect with regulation pipe 521, has reached and facilitated effect used in everyday by face.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of telescoping tube that multi-head rotary is easily installed, including telescopic sleeve (1), it is characterised in that: the telescopic sleeve
(1) inner wall is connected with movable telescopic pipe (2), and the top of the movable telescopic pipe (2) is fixedly connected with adjustable pipe baffle ring
(3), the bottom end of the telescopic sleeve (1) is fixedly connected with adjustable pipe limitation ring (4), and the surface of the movable telescopic pipe (2) is solid
Surely multi-head rotary device (5) are connected with；
The multi-head rotary device (5) includes device fixed plate (501), and the bottom surface of described device fixed plate (501) is fixedly connected
Have rotation support rod (502), the surface activity of rotation support rod (502) is connected with rotation support tube (503), the rotation
The surface of support rod (502) is fixedly connected with postive stop baffle (504), the top surface of the postive stop baffle (504) and rotation support tube
(503) bottom surface is flexibly connected, and the surface of rotation support tube (503) offers rotary moveable slot (505), and the rotation is lived
The surface activity of dynamic slot (505) is connected with rotary slider (506), and the surface of the rotary slider (506) is fixedly connected with rotation
Fixed plate (507), the surface of rotation fixed plate (507), which is fixedly connected with, adjusts handle (508), the rotation fixed plate
(507) side far from rotary slider (506) is fixedly connected with arc fixed plate (509), the table of the arc fixed plate (509)
Face is fixedly connected with arc panel fixed plate (511), and the surface of the arc panel fixed plate (511) offers threaded securing bores
(512), the surface of the threaded securing bores (512) offers nut fixing groove (513), the threaded securing bores (512) it is interior
Wall is threaded with fixed screw (514), and the surface of the fixed screw (514) is threaded with fixture nut (515), described
The surface of fixture nut (515) is connect with the surface activity of nut fixing groove (513), the surface of described device fixed plate (501)
It offers turntable rotating hole (516), the inner wall of the turntable rotating hole (516) is connected with carousel supports bar (517), described
The upper surface of carousel supports bar (517) is fixedly connected with rotating handles (518), and the bottom end of the carousel supports bar (517) is fixed
It is connected with and adjusts turntable (519), the surface for adjusting turntable (519) offers regulation pipe fixation hole (520), the rotation branch
The bottom end of strut (502) is fixedly connected with positioning support bar (522), and the positioning support bar (522) is far from rotation support rod
(502) one section is fixedly connected with positioning semicanal (523).
2. the telescoping tube that a kind of multi-head rotary according to claim 1 is easily installed, it is characterised in that: the regulation pipe
The quantity of fixation hole (520) is four, and the inner wall of four regulation pipe fixation holes (520) is respectively fixedly connected with there are four regulation pipe
(521).
3. the telescoping tube that a kind of multi-head rotary according to claim 1 is easily installed, it is characterised in that: the arc is solid
The surface of fixed board (509) is fixedly connected with anti-skid rubber cushion (510), the surface of the anti-skid rubber cushion (510) and movable telescopic
Pipe (2), regulation pipe (521) are connected with the surface activity of carousel supports bar (517).
4. the telescoping tube that a kind of multi-head rotary according to claim 1 is easily installed, it is characterised in that: the arc is solid
The quantity of fixed board (509) and arc panel fixed plate (511) is two, and two arc fixed plates (509) are fixed with arc panel
Plate (511) is respectively distributed to the positive of rotation support tube (503) and carried on the back using the side middle line for rotating support tube (503) as symmetry axis
Face.
5. the telescoping tube that a kind of multi-head rotary according to claim 1 is easily installed, it is characterised in that: the positioning half
Pipe (523) is located at the underface of movable telescopic pipe (2), and the side of positioning semicanal (523) is fixedly connected with turntable steadying plate
(524), the turntable steadying plate (524) is fixedly connected with turntable stabiliser bar (525) by bearing, the turntable stabiliser bar
(525) top is fixedly connected with the bottom surface for adjusting turntable (519).
6. the telescoping tube that a kind of multi-head rotary according to claim 1 is easily installed, it is characterised in that: the activity is stretched
The bottom end of the draw (2) runs through the top surface of device fixed plate (501) and extends to the outside of device fixed plate (501).
7. the telescoping tube that a kind of multi-head rotary according to claim 1 is easily installed, it is characterised in that: the rotation is lived
The quantity of dynamic slot (505) and rotary slider (506) is two, and two rotary moveable slots (505) and rotary slider (506) point
The front and the back side of rotation support tube (503) are not distributed in rotate the side middle line of support tube (503) as symmetry axis.
8. the telescoping tube that a kind of multi-head rotary according to claim 1 is easily installed, it is characterised in that: the adjustable pipe
The surface of baffle ring (3) is connect with the inner thread of telescopic sleeve (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811219737.7A CN109222755B (en) | 2018-10-19 | 2018-10-19 | Multi-head rotary telescopic pipe convenient to install |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811219737.7A CN109222755B (en) | 2018-10-19 | 2018-10-19 | Multi-head rotary telescopic pipe convenient to install |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109222755A true CN109222755A (en) | 2019-01-18 |
| CN109222755B CN109222755B (en) | 2023-09-15 |
Family
ID=65080568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811219737.7A Active CN109222755B (en) | 2018-10-19 | 2018-10-19 | Multi-head rotary telescopic pipe convenient to install |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109222755B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101143083A (en) * | 2006-03-06 | 2008-03-19 | 王跃旦 | Vacuum cleaner cyclone dust cup with tri-separation function |
| JP2010119623A (en) * | 2008-11-20 | 2010-06-03 | Sharp Corp | Cyclone separator |
| CN202494109U (en) * | 2012-01-18 | 2012-10-17 | 上海江南长兴重工有限责任公司 | Multi-head adjustable fire faucet |
| WO2018058864A1 (en) * | 2016-09-28 | 2018-04-05 | 蔡冠森 | Elastic sheet fixing-type fine adjustment device for strengthening arc-shaped telescopic rod |
| CN108160629A (en) * | 2017-12-27 | 2018-06-15 | 江苏盐高阀门制造有限公司 | A kind of duct cleaning equipment of wide adaptability |
-
2018
- 2018-10-19 CN CN201811219737.7A patent/CN109222755B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101143083A (en) * | 2006-03-06 | 2008-03-19 | 王跃旦 | Vacuum cleaner cyclone dust cup with tri-separation function |
| JP2010119623A (en) * | 2008-11-20 | 2010-06-03 | Sharp Corp | Cyclone separator |
| CN202494109U (en) * | 2012-01-18 | 2012-10-17 | 上海江南长兴重工有限责任公司 | Multi-head adjustable fire faucet |
| WO2018058864A1 (en) * | 2016-09-28 | 2018-04-05 | 蔡冠森 | Elastic sheet fixing-type fine adjustment device for strengthening arc-shaped telescopic rod |
| CN108160629A (en) * | 2017-12-27 | 2018-06-15 | 江苏盐高阀门制造有限公司 | A kind of duct cleaning equipment of wide adaptability |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109222755B (en) | 2023-09-15 |
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