CN203729242U - Air-passage dust collection disc for cleaning trolley - Google Patents

Air-passage dust collection disc for cleaning trolley Download PDF

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Publication number
CN203729242U
CN203729242U CN201420060303.8U CN201420060303U CN203729242U CN 203729242 U CN203729242 U CN 203729242U CN 201420060303 U CN201420060303 U CN 201420060303U CN 203729242 U CN203729242 U CN 203729242U
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CN
China
Prior art keywords
air flue
suction port
air
air outlet
dust suction
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Expired - Lifetime
Application number
CN201420060303.8U
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Chinese (zh)
Inventor
杜强国
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BEIJING TIANLUTONG TECHNOLOGY Co Ltd
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BEIJING TIANLUTONG TECHNOLOGY Co Ltd
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Priority to CN201420060303.8U priority Critical patent/CN203729242U/en
Application granted granted Critical
Publication of CN203729242U publication Critical patent/CN203729242U/en
Anticipated expiration legal-status Critical
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Abstract

The utility model relates to an air-passage dust collection disc for a cleaning trolley. The dust collection disc comprises a dust collection port and a strip air passage which are formed in a disc body. The dust collection port is connected with a dust collection tube, the air passage is connected with a fan air outlet tube, a slit air passage air outlet is arranged along the air passage on the lower side of the strip air passage, the air passage air outlet faces towards the dust collection port, and high-speed air currents sprayed by the air passage air outlet blows ground garbage to the dust collection port. According to the dust collection disc, the structure is simple, the conception is ingenious, the problems that dust collection discs in the prior art are high in energy consumption, unsatisfactory in cleaning effect, high in maintenance cost and the like are well solved; the dust collection disc is simple in structure, good in cleaning effect, low in maintenance cost and energy saving; compared with the prior art, the dust collection disc has positive technical effects.

Description

Cleaning cart air flue type dust suction disc
Technical field
The utility model relates to a kind of dust exhaust apparatus of cleaning cart, particularly a kind of cleaning cart air flue type dust suction disc.
Background technology
The dust exhaust apparatus of existing cleaning cart is structurally comparatively complicated, and energy consumption is higher, and cleaning effect is not fully up to expectations, also has the problems such as maintenance cost height.Be 200910180280.8 in the applicant's the patent No., denomination of invention is in the formerly patent of invention of " multifunctional cleaning vehicle ", disclosed cleaning cart dust suction disc structure, adopt multiple rubber pinch tips to inhale design to the air circulation spray of suction port winding-up high velocity air from different perspectives, structure is comparatively complicated, because of the relative inlet scoop of each rubber pinch tip angle difference, making it blow out air-flow mutually disturbs to cause and cancels out each other, and owing to having gap between multiple rubber pinch tips, in the time that pavement garbage is more or travel speed is very fast, there is the phenomenon that ground refuse stays, cleaning effect is influenced, and its dust suction disc is because being Double-layer plate type structure, through using for a long time, can cause long-pending soil between doubling plate, cause the overall weight of dust suction disc to increase, need the long-pending soil of regular dismounting dust suction disc cleaning.Therefore, need to seek a kind of simple in structure, save energy consumption, sweeping efficiency high dust suction disc structure design.
Summary of the invention
The purpose of this utility model is to solve the structure relative complex that formerly dust suction disc of the cleaning cart of patent exists, the technical problem that cleaning effect is undesirable, maintenance cost is high, provide a kind of simple in structure, cleaning effect good, maintenance cost is low, save technological improvement new departure of energy consumption.
The utility model provides a kind of technical scheme of cleaning cart air flue type dust suction disc, described dust suction disc comprises the suction port and the bar shaped air flue that are arranged on disk body, described suction port is connected with aspiration channel, described bar shaped air flue is connected with blower fan backwind tube, the downside of described bar shaped air flue is provided with the air flue air outlet of a slit along air flue, described air flue air outlet towards corresponding to suction port, ground refuse is blowed to suction port by the high velocity air of described air flue air outlet ejection.
Further, the bottom of the cross section of described bar shaped air flue is funnel-form, the lateral cross section area of described bar shaped air flue be slit air flue outlet lateral cross section area 3-10 doubly, described air flue air outlet towards corresponding to suction port and ground angle a in obtuse angle.
Further, described bar shaped air flue is to surround by stripe board the bar pipe shrouding space forming, or surrounded the pipe tube sealing space roughly forming by bent plate and end plate, described air flue air outlet is made up of air flue air outlet header board, air flue air-out metastoma, described air flue air outlet towards being the angle of 110 °-165 ° corresponding to suction port and ground angle a.
Further, described bar shaped air flue is straight tube or is the curved tube corresponding to suction port, described air flue air outlet is connected with the air flue air outlet stiffener of reinforcing air flue air outlet, the slit width of described air flue air outlet increases and relatively widens with the distance away from suction port and with distance away from air flue air intake, to keep high pressure draught that air flue air outlet the blows out effect relative equilibrium to suction port.
Further, be provided with leading gummosis plate in the front of described suction port, water conservancy diversion offset plate after the rear of described suction port is provided with, described leading gummosis plate and described rear water conservancy diversion offset plate enclose suction port negative pressuren zone; Described air flue is arranged on outside described suction port negative pressuren zone, and the high velocity air that described air flue air outlet blows out is towards suction port negative pressuren zone.
Further, be provided with scraper plate in described leading gummosis plate front, for scraping and guide ground large grain rubbish to enter described suction port negative pressuren zone; Described leading gummosis plate and suction port are provided with breach accordingly so that by rubbish by leading gummosis plate inspiration negative pressuren zone after through suction port by sweep-up pipe suction ash bin.
Further, described dust suction disc is provided with two suction ports, and symmetry is positioned at both sides under chassis of vehicle body girder; Described leading gummosis plate and the bending of described rear water conservancy diversion offset plate enclose two suction port negative pressuren zones; Described scraper plate is inverted V-shaped and is arranged at front, two suction port negative pressuren zones, and the two ends of described scraper plate approach the location guide rubbish that suction port is corresponding and enter suction port negative pressuren zone; Described suction port is provided with breach corresponding to scraper plate, so that the large volume rubbish that enters negative pressuren zone by leading gummosis plate is sucked to sweep-up pipe; Described air flue is arranged on described rear water conservancy diversion offset plate rear, and ground refuse is blowed to suction port negative pressuren zone by the high velocity air of described air flue air outlet.
Further, the height of described leading gummosis plate is set to concordant with ground, it is short that the height of described rear water conservancy diversion offset plate is set to the height of relatively leading gummosis plate, make rear water conservancy diversion offset plate and ground form the wide slit of 5mm-40mm, the high velocity air that described air flue air outlet blows out enters suction port negative pressuren zone through described slit.
Further, described air flue is connected with dust suction disc disk body rotationally through air flue bearing pin, and in the time that the air flue protrusion larger with ground contacts, air flue will rotate and lift around air flue bearing pin, and after obstacle detouring, air flue sets back under the effect of self gravitation.
Further, described dust suction disc has the outer nozzle of rotatable retraction, described outer nozzle has air inlet port and outer nozzle shower nozzle, the shower nozzle that described outer nozzle shower nozzle is discrete or bar shaped air flue type shower nozzle, described outer nozzle shower nozzle is towards suction port, and the rubbish before nozzle is blowed to suction port by the high velocity air of described outer nozzle shower nozzle ejection; The both sides of described dust suction disc are separately installed with castor assembly, the height that dust suction disc can be consistent with ground.
Dust suction disc structure design of the present utility model is simple, the high velocity air that has effectively utilized blower fan to produce forms pneumatic chipping hammer to ground, carry out seamless ground pressure-vaccum cleaning, reach good floor cleaning effect, and dust suction disc structure design of the present utility model, in use, enter the air-flow of air flue for washing away, play self-cleaning to air flue, in air flue, can not deposit long-pending soil, the maintenance cost of dust suction disc is reduced well, and, the utility model is for the protection design of dust suction disc, work capacity and the application life of dust suction disc are also effectively improved.
Brief description of the drawings
Accompanying drawing 1 is the floor map of an embodiment of air flue type dust suction disc;
Accompanying drawing 2 is schematic cross-sections of the LL ' direction of dust suction disc;
Accompanying drawing 3 be dust suction disc air flue along LL ' direction schematic cross-section;
Accompanying drawing 4 is embodiment floor map for dust suction disc air flue.
Reference numeral:
1 dust suction disc 10 suction port 11 suction port breach 12 sweep-up pipes
20 bar shaped air flue 21 air flue air outlet 211 air flue air-out metastoma 212 air flue air outlet header board 213 air flue air outlets are strengthened version 22 air flue air intake 221 blower fan backwind tubes
The 31 leading gummosis plate 32 rear water conservancy diversion offset plate of rear water conservancy diversion offset plate 321 gap 30 suction port negative pressuren zone 40 scraper plate 50 outer nozzle 51 outer nozzle shower nozzle 52 outer nozzle air intake pipe 60 air flue bearing pin 70 castor assemblies.
Detailed description of the invention
Embodiment mono-
Be elaborated for the structure of dust suction disc of the present utility model below in conjunction with accompanying drawing 1, accompanying drawing 2, accompanying drawing 3 and accompanying drawing 4.
Shown in Fig. 1 is an embodiment plane structure schematic diagram of air flue type dust suction disc 1 of the present utility model, and Fig. 2 is LL ' the direction schematic cross-section along described dust suction disc 1.As shown in Figure 1, Figure 2, dust suction disc 1 is included in the suction port 10 and the bar shaped air flue 20 that on disk body, arrange, described suction port 10 is connected with sweep-up pipe 12, described bar shaped air flue 20 is connected with blower fan backwind tube 221 by air flue air intake 22, and the downside of described bar shaped air flue 20 is provided with the air flue air outlet 21 of a slit along air flue.Described air flue air outlet 21 towards corresponding to suction port 10, in the time that blower fan is worked, high velocity air enters bar shaped air flue 20 from blower fan backwind tube 221 through air flue air intakes 22, then sprays from air flue air outlet 21, ground refuse is blowed to suction port 10 by high velocity air.
In Fig. 2, Fig. 3, show the cross-sectional structure of bar shaped air flue 20, described bar shaped air flue 20 by the bottom of cross section be funnel-form, bar shaped air flue 20 as shown in Fig. 3 A is to surround by stripe board the bar pipe shrouding space forming, the cross section of bar shaped air flue 20 is shapes wide at the top and narrow at the bottom, bottom is funnel-form, below bar shaped air flue 20, be provided with air flue air outlet 21, the lateral cross section area of described bar shaped air flue 20 is 3-10 times that air flue exports 21 slit lateral cross section areas; Bar shaped air flue 20 as shown in Figure 3 B surrounds the pipe tube sealing space roughly forming for bent plate and end plate, the cross section of bar shaped air flue is circle roughly, bottom is funnel-form, equally, below bar shaped air flue 20, be provided with air flue air outlet 21, the lateral cross section area of described bar shaped air flue 20 is 3-10 times that air flue exports 21 slit lateral cross section areas.Because designing gentle road, the funnel-form of the bottom of bar shaped air flue 20 cross sections of the present utility model exports 21 slits designs, in the time that dust suction disc is worked, high pressure draught sprays from air flue outlet 21 through this funnel-form bottom, and, with cleaning cart operation advance Road wear come jolt and match, make bar shaped air flue 20 have good self-cleaning function, even if carry dust in backwind tube, dust also cannot form deposition in air flue.Further, described air flue air outlet 21 towards the angle a corresponding to suction port 10 and ground in obtuse angle, make the high velocity air that air flue air outlet 21 sprays to form pneumatic chipping hammer with respect to ground well, ground refuse is blowed to suction port, with this cleaning floor.Conventionally described air flue air outlet 21 towards being set to be the angle of 110 °-165 ° corresponding to suction port 10 with ground angle a.
Said structure design, make the air-flow that enters bar shaped air flue 20 from air flue air intake 22 export the accelerated several times of 21 air-flows through air flue, air-flow exports at 21 o'clock at process air flue and is changed direction simultaneously, make this working air flow can stop near the rubbish of suction port because travelling of vehicle throws away backward, can strengthen near the translational speed that move and enter sweep-up pipe 12 of the rubbish of suction port 10 to suction port 10 simultaneously.
Shown in Fig. 3 is the schematic cross-section along LL ' direction of bar shaped air flue 20, and shown in it, described air flue air outlet 21 is the slits that are made up of air flue air outlet header board 212, air flue air-out metastoma 211.Can also girth member be set at described air flue air outlet 21; it is air flue air outlet stiffener 213; reinforced and protected for air flue air outlet 21; the air flue air outlet stiffener 213 of reinforcement by connection air flue air outlet 21 on air outlet header board 212 as shown in Figure 3; by this air flue air outlet stiffener 213 is set, can effectively prevent distortion and damage that ground vapour road air outlet 21 produces while meeting accident collision.
In accompanying drawing 1, accompanying drawing 4, demonstration be the embodiment that is straight tube by the structure design of the utility model bar shaped air flue 20.Leave over for the clean clean nothing on road surface in order to make dust suction disc, the air pressure that the high pressure draught that requires bar shaped air flue 20 to blow out acts on suction port 10 keeps relative equilibrium, even if the power of blowing of its generation is with respect to the effect relative equilibrium of suction port 10, can be by described bar shaped air flue 20 be set to the curved tube (not shown) corresponding to suction port 10, can also be by the width size of the slit of adjusting air flue air outlet 21, realize high pressure draught that bar shaped air flue 20 blows out to keeping in balance corresponding to the air pressure of suction port 10, be that the width of the slit of described air flue air outlet 21 is broadened with the increase of the distance away from suction port 10, to keep gas off-take air port 21 to blow out the air pressure equilibrium of high pressure draught corresponding to suction port 10.Straight pipe type bar shaped air flue 20 as shown in Figure 1, the closer to middle body, because the distance with respect to suction port 10 wants far away, shown in Fig. 4, remote corresponding to suction port 10, the corresponding slit width that increases air flue air outlet 21, the width of the slit of air flue air outlet 21 is widened relatively at the slit width near middle body as shown in Figure 4 B, so just can keep well air flue air outlet 21 to blow out high pressure draught and keep in balance with respect to the effect of suction port 10.In like manner, also can the distance distance with respect to suction port do similar wide variety design according to it for air flue air outlet 21 slit widths of curved tube formula bar shaped air flue 20.
Embodiment bis-
In the present embodiment, about the structure design of air flue type dust suction disc 1 and the content same section of embodiment mono-, do not repeat them here, be elaborated for the particular content of the present embodiment below in conjunction with accompanying drawing 1, accompanying drawing 2.
In accompanying drawing 1, accompanying drawing 2, shown the structure of a specific embodiment of dust suction disc, be using L direction be garage's direction as forward direction reference, the detailed description of carrying out for the structure of the dust suction disc 1 of the present embodiment.Be provided with leading gummosis plate 31 in the front of described suction port 10, water conservancy diversion offset plate 32 after the rear of described suction port 10 is provided with, described leading gummosis plate 31 surrounds suction port 10 region around to form suction port negative pressuren zone 30 with described rear water conservancy diversion offset plate 32, has been equivalent to form a large dust suction suction inlet; Be provided with scraper plate 40 in described leading gummosis plate 31 fronts, for scraping and guide ground large grain rubbish to enter described suction port negative pressuren zone 30; Enter suction port negative pressuren zone 30 for the ease of rubbish, can be provided with breach (not shown) with suction port 10 correspondence positions at leading gummosis plate 31, also can be provided with suction port breach 11 at the corresponding leading gummosis plate 31 of suction port 10, make by rubbish by the guiding inspiration negative pressuren zone of leading gummosis plate 31 after by suction port breach 11 by sweep-up pipe 12 suction ash bin (not shown)s.
As shown in Figure 2, the height of leading gummosis plate 31 is set to roughly concordant with ground, it is short that the height of rear water conservancy diversion offset plate 32 is set to the height of relatively leading gummosis plate 31, make rear water conservancy diversion offset plate 32 and ground form the wide slit 321 of 5mm-40mm, the high velocity air that described air flue air outlet 21 is blown out blows ground refuse and enters into suction port negative pressuren zone 30 by sweep-up pipe 12 suction ash bin (not shown)s through described slit 321 passages.
Embodiment tri-
In the present embodiment, about the content same section of dust suction disc structure design and previous embodiment does not repeat them here, below only with regard to its different piece by reference to the accompanying drawings 1, accompanying drawing 2, accompanying drawing 4 be elaborated for the particular content of the present embodiment.
In the present embodiment, be using garage's direction as forward direction reference, the detailed description of carrying out for the structure of the dust suction disc 1 of the present embodiment.Described dust suction disc 1 is provided with two suction ports 10, is symmetrically located at both sides under chassis of vehicle body girder (not shown); Leading gummosis plate 31 and rear water conservancy diversion offset plate 32 arrange corresponding to 10 bendings of two suction ports, make its bending enclose two independently suction port negative pressuren zones 30; Described scraper plate 40 is inverted V-shaped and is arranged at 30 fronts, two suction port negative pressuren zones, the two ends of described scraper plate 40 approach the position of suction port 10 correspondences, in garage's process, described scraper plate 40 scrapes the bulky grain rubbish on ground and guides rubbish to enter suction port negative pressuren zone 30, finally sucks sweep-up pipe; Described bar shaped air flue 20 is arranged on described rear water conservancy diversion offset plate 32 rears, and ground refuse is blowed to suction port negative pressuren zone 30 by the high velocity air of described air flue air outlet 21.
As shown in Fig. 1, Fig. 4 A, described bar shaped air flue 20 is straight tube, air flue air intake 22 be arranged on two of described bar shaped air flue 20, be connected with described blower fan backwind tube 221.In order to make the high pressure draught air pressure that bar shaped air flue 20 blows out keep relative equilibrium with respect to suction port negative pressuren zone 30, make the power of blowing of its generation with respect to the effect balancing of suction port negative pressuren zone 30, can be by described bar shaped air flue 20 be set to the curved tube (not shown) corresponding to two suction port negative pressuren zones 30, can also be according to the far and near of air flue air intake 22 and apart from the distance of suction port negative pressuren zone 30, by regulating the width size of slit of air flue air outlet 21, realize the high pressure draught that bar shaped air flue 20 blows out the air pressure corresponding to suction port negative pressuren zone 30 is kept to air pressure equilibrium, shown in Fig. 4, straight tube bar shaped air flue 20 shown in Fig. 4 A, because air intake 22 is positioned at two of bar shaped air flue 20, for guaranteeing the strength of centre position working air flow of bar shaped air flue 20, by the width of the slit of described air flue air outlet 21 with broadening away from air flue air intake 22 and away from the increase of the distance of suction port negative pressuren zone 30, to keep gas off-take air port 21 to blow out the air pressure equilibrium of high pressure draught corresponding to suction port negative pressuren zone 30, as shown at Fig. 4 B, its 21 gaps, air flue air port are broad in the middle, the design of narrowing toward each end.
In dust suction disc 1, described bar shaped air flue 20 arranges rotationally to be installed on dust suction disc disk body, as shown in Figure 4 A, described bar shaped air flue 20 is connected with dust suction disc disk body rotationally through air flue bearing pin 60, when in operation process, when the protrusion that bar shaped air flue 20 is larger with ground contacts, bar shaped air flue 20 will rotate and lift around air flue bearing pin 60, after obstacle detouring, bar shaped air flue 20 sets back under the effect of self gravitation, can effectively improve like this obstacle climbing ability of dust suction disc 1 in the time of work, the accident of the bar shaped air flue 20 of having avoided dust suction disc in the time of operation is impaired, effectively extend the application life of dust suction disc.
In order to clean more thoroughly the rubbish in roadside, as shown in Figure 1 and Figure 2, also be designed with the outer nozzle 50 of rotatable retraction in the front part sides of dust suction disc 1, described outer nozzle 50 has air inlet port 52 and outer nozzle shower nozzle 51, described outer nozzle shower nozzle 51 is towards suction port, when operation, outer nozzle 50 is opened, and the high pressure draught entering through air inlet port 52, by outer nozzle shower nozzle 51 ejection at a high speed of described outer nozzle 50, blows to suction port 10 by the rubbish in roadside.As shown in Figure 1, Figure 2, outer nozzle shower nozzle 51 is shower nozzles of multiple separation, in the utility model, described outer nozzle shower nozzle 52 can also be the shower nozzle of an air flue type structure as identical in the structure of bar shaped air flue 20.
In order to make described dust suction disc 1 can keep well parallel with ground all the time when the operation, in optimum Working, be separately installed with castor assembly 70 in the both sides of described dust suction disc 1 of the present utility model, dust suction disc disk body is played a supporting role, the height that dust suction disc 1 can be consistent with ground, guarantee the in the situation that dust suction disc 1 rising and falling on road surface to keep best duty, and not easily damaged.
Describe in detail visible by above-mentioned for the technical solution of the utility model, dust suction disc of the present utility model is simple in structure, be skillfully constructed, the dust suction disc energy consumption that has solved well prior art existence is higher, cleaning effect is not fully up to expectations, the problems such as maintenance cost height, provide a kind of simple in structure, save the dust suction disc design that energy consumption, sweeping efficiency are high, there is outstanding substance contribution and very positive beneficial effect with respect to prior art.

Claims (10)

1. a cleaning cart air flue type dust suction disc, it is characterized in that: described dust suction disc comprises the suction port and the bar shaped air flue that are arranged on disk body, described suction port is connected with aspiration channel, described bar shaped air flue is connected with blower fan backwind tube, the downside of described bar shaped air flue is provided with the air flue air outlet of a slit along air flue, described air flue air outlet towards corresponding to suction port, ground refuse is blowed to suction port by the high velocity air of described air flue air outlet ejection.
2. dust suction disc as claimed in claim 1, it is characterized in that: the bottom of the cross section of described bar shaped air flue is funnel-form, the lateral cross section area of described bar shaped air flue be slit air flue outlet lateral cross section area 3-10 doubly, described air flue air outlet towards corresponding to suction port and ground angle a in obtuse angle.
3. dust suction disc as claimed in claim 2, it is characterized in that: described bar shaped air flue is to surround by stripe board the bar pipe shrouding space forming, or surrounded the pipe tube sealing space roughly forming by bent plate and end plate, described air flue air outlet is made up of air flue air outlet header board, air flue air-out metastoma, described air flue air outlet towards being the angle of 110 °-165 ° corresponding to suction port and ground angle a.
4. dust suction disc as claimed in claim 1, it is characterized in that: described bar shaped air flue is straight tube or is the curved tube corresponding to suction port, described air flue air outlet is connected with the air flue air outlet stiffener of reinforcing air flue air outlet, the slit width of described air flue air outlet increases and relatively widens with the distance away from suction port and with distance away from air flue air intake, to keep high pressure draught that air flue air outlet the blows out effect relative equilibrium to suction port.
5. the dust suction disc as described in one of claim 1-4, it is characterized in that: be provided with leading gummosis plate in the front of described suction port, water conservancy diversion offset plate after the rear of described suction port is provided with, described leading gummosis plate and described rear water conservancy diversion offset plate enclose suction port negative pressuren zone; Described air flue is arranged on outside described suction port negative pressuren zone, and the high velocity air that described air flue air outlet blows out is towards suction port negative pressuren zone.
6. dust suction disc as claimed in claim 5, is characterized in that: be provided with scraper plate in described leading gummosis plate front, for scraping and guide ground large grain rubbish to enter described suction port negative pressuren zone; Described leading gummosis plate and suction port are provided with breach accordingly so that by rubbish by leading gummosis plate inspiration negative pressuren zone after through suction port by sweep-up pipe suction ash bin.
7. dust suction disc as claimed in claim 6, is characterized in that: described dust suction disc is provided with two suction ports, and symmetry is positioned at both sides under chassis of vehicle body girder; Described leading gummosis plate and the bending of described rear water conservancy diversion offset plate enclose two suction port negative pressuren zones; Described scraper plate is inverted V-shaped and is arranged at front, two suction port negative pressuren zones, and the two ends of described scraper plate approach the location guide rubbish that suction port is corresponding and enter suction port negative pressuren zone; Described suction port is provided with breach corresponding to scraper plate, so that the large volume rubbish that enters negative pressuren zone by leading gummosis plate is sucked to sweep-up pipe; Described air flue is arranged on described rear water conservancy diversion offset plate rear, and ground refuse is blowed to suction port negative pressuren zone by the high velocity air of described air flue air outlet.
8. dust suction disc as claimed in claim 5, it is characterized in that: the height of described leading gummosis plate is set to concordant with ground, it is short that the height of described rear water conservancy diversion offset plate is set to the height of relatively leading gummosis plate, make rear water conservancy diversion offset plate and ground form the wide slit of 5mm-40mm, the high velocity air that described air flue air outlet blows out enters suction port negative pressuren zone through described slit.
9. dust suction disc as claimed in claim 5, it is characterized in that: described air flue is connected with dust suction disc disk body rotationally through air flue bearing pin, in the time that the air flue protrusion larger with ground contacts, air flue will rotate and lift around air flue bearing pin, after obstacle detouring, air flue sets back under the effect of self gravitation.
10. dust suction disc as claimed in claim 5, it is characterized in that: described dust suction disc has the outer nozzle of rotatable retraction, described outer nozzle has air inlet port and outer nozzle shower nozzle, the shower nozzle that described outer nozzle shower nozzle is discrete or bar shaped air flue type shower nozzle, described outer nozzle shower nozzle is towards suction port, and the rubbish before nozzle is blowed to suction port by the high velocity air of described outer nozzle shower nozzle ejection; The both sides of described dust suction disc are separately installed with castor assembly, the height that dust suction disc can be consistent with ground.
CN201420060303.8U 2014-02-10 2014-02-10 Air-passage dust collection disc for cleaning trolley Expired - Lifetime CN203729242U (en)

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Application Number Priority Date Filing Date Title
CN201420060303.8U CN203729242U (en) 2014-02-10 2014-02-10 Air-passage dust collection disc for cleaning trolley

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Application Number Priority Date Filing Date Title
CN201420060303.8U CN203729242U (en) 2014-02-10 2014-02-10 Air-passage dust collection disc for cleaning trolley

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CN203729242U true CN203729242U (en) 2014-07-23

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103741630A (en) * 2014-02-10 2014-04-23 北京天路通科技有限责任公司 Dust collection disc of cleaning trolley
CN110613996A (en) * 2019-09-29 2019-12-27 西安建筑科技大学 Self-adaptive water mist dust removal system for casting workshop

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103741630A (en) * 2014-02-10 2014-04-23 北京天路通科技有限责任公司 Dust collection disc of cleaning trolley
CN110613996A (en) * 2019-09-29 2019-12-27 西安建筑科技大学 Self-adaptive water mist dust removal system for casting workshop
CN110613996B (en) * 2019-09-29 2023-04-18 西安建筑科技大学 Self-adaptive water mist dust removal system for casting workshop

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Granted publication date: 20140723