CN103104525A - Negative-pressure fan - Google Patents

Negative-pressure fan Download PDF

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Publication number
CN103104525A
CN103104525A CN2012105364005A CN201210536400A CN103104525A CN 103104525 A CN103104525 A CN 103104525A CN 2012105364005 A CN2012105364005 A CN 2012105364005A CN 201210536400 A CN201210536400 A CN 201210536400A CN 103104525 A CN103104525 A CN 103104525A
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CN
China
Prior art keywords
negative
loading
pressure air
air fan
unloading
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.)
Pending
Application number
CN2012105364005A
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Chinese (zh)
Inventor
吕学兵
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.)
Kunshan Junrun Ventilation Cooling Equipment Co Ltd
Original Assignee
Kunshan Junrun Ventilation Cooling Equipment 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 Kunshan Junrun Ventilation Cooling Equipment Co Ltd filed Critical Kunshan Junrun Ventilation Cooling Equipment Co Ltd
Priority to CN2012105364005A priority Critical patent/CN103104525A/en
Publication of CN103104525A publication Critical patent/CN103104525A/en
Pending legal-status Critical Current

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Abstract

The invention provides a negative-pressure fan. The negative-pressure fan comprises an outer shell, a motor, fan blades and a transmission shaft, wherein the motor and the fan blades are respectively arranged at two ends in the outer shell and are connected through the transmission shaft. The fan blades are driven to rotate by the motor through the transmission shaft, and an effect of negative-pressure air exchange is achieved. Handles for loading and unloading are arranged on the outer shell. When the negative-pressure fan is moved, loaded and unloaded by workers, the negative-pressure fan can be lifted or lowered to the appointed height through the handles for loading and unloading to be operated, so that man-made damage risks of the negative-pressure fan in a process of moving, loading and unloading are reduced, a security coefficient of workers in a process of loading and unloading is improved, efficiency of loading and unloading is improved, and installation accuracy is guaranteed.

Description

Negative-pressure air fan
Technical field
The present invention relates to a kind of negative-pressure air fan, relate in particular to a kind of negative-pressure air fan with loading and unloading handle.
Background technique
Negative-pressure air fan is the principle of utilizing cross-ventilation, negative pressure ventilation, by the subtend of infield---gate or window nature inhale fresh air, simultaneously indoor sultry gas is forced rapidly to discharge outdoor, to reach a kind of machine of cooling and cooling-down effect.Because of it has cost of investment low (disposable input only is the sixth of air-conditioning), air quantity large (ventilation rate can reach 99%), noise is low, power consumption is little (operating cost only for air-conditioning 1/10th), operate steadily, the life-span is long, the efficient high, therefore now utilized by increasing industrial and mineral factory building, it is also the excellent selection that modernization workshop cooling is ventilated.Especially safe, environmental protection, energy-conservation negative-pressure air fan will become the main flow of aeration-cooling equipment Market.
For a long time, the transportation of negative-pressure air fan and loading and unloading are all one and make the workman have a headache very much even having the operating process of certain risk.When installing, negative-pressure air fan requires: 1. install steadily: should note the horizontal position of blower fan when negative-pressure air fan is installed, adjust to negative-pressure air fan with the grade level level is firm, and the installation rear motor can not have tilt phenomenon.2. should make the adjusting bolt of motor be in the position of easy-to-operat when negative-pressure air fan is installed, regulate belt tension during with convenient the use.
Consult shown in Figure 1, Fig. 1 is the sectional view of existing negative-pressure air fan, existing negative-pressure air fan 6 comprises shell 61, motor 62, flabellum 63 and transmission shaft 64, wherein said motor 62 and flabellum 63 lay respectively at shell 61 interior two ends, and be connected by transmission shaft 64, motor 62 drives flabellum 63 rotations by transmission shaft 64, reaches the effect of negative pressure ventilation.And therefore existing negative-pressure air fan 6, can only be bundled in certain position on shell 61 with the rope tool when carrying and loading and unloading at random owing to there is no the loading and unloading handle of convenient operation on its shell 61, then negative-pressure air fan 6 is lifted or drops to predetermined altitude operates.But this method not only wastes time and energy, and because the weight of negative-pressure air fan 6 own is larger, common single negative-pressure air fan weight is all 100 kilograms of left and right, so the handling safety in carrying and cargo handling process also can not get guarantee, the loading and unloading precision also can't be guaranteed naturally.
Summary of the invention
The object of the present invention is to provide a kind of negative-pressure air fan with loading and unloading handle, negative-pressure air fan is dangerous, time-consuming in transportation and cargo handling process to solve, effort and the not high problem of efficient.
For achieving the above object, negative-pressure air fan of the present invention comprises: shell, motor, flabellum and transmission shaft, wherein said motor and flabellum lay respectively at two ends in shell, and are connected by transmission shaft.Motor drives the flabellum rotation by transmission shaft, reaches the effect of negative pressure ventilation.Characteristics of the present invention are that described shell is provided with a pair of loading and unloading handle; the workman is when carrying and loading and unloading negative-pressure air fan; can directly hold the loading and unloading handle and negative-pressure air fan be lifted or is down to predetermined altitude and operate, thus improve the efficiency of loading and unloading, reduce the loading and unloading risk, guarantee the loading and unloading precision, the protection negative-pressure air fan in carrying and cargo handling process not by artificial damage.
As a further improvement on the present invention, described a pair of handle is arranged at cover top portion.
As a further improvement on the present invention, described handle is the single handle of being located at cover top portion, and this handle is positioned at the cover top portion central position, and negative-pressure air fan can be not unbalance when guaranteeing the lifting tool lifting.
As a further improvement on the present invention, described handle is symmetricly set in respectively the bi-side of shell.
As a further improvement on the present invention, described handle all is " ∩ " shape.
As a further improvement on the present invention, described handle all with the shell once-through.
Compared with prior art; the invention has the beneficial effects as follows: the workman is when carrying and loading and unloading blower fan; can hold like a cork loading and unloading handle of the present invention; operate thereby relatively easily negative-pressure air fan is lifted or drop to the precalculated position; thereby improve the efficiency of loading and unloading, reduce the loading and unloading risk, guarantee the loading and unloading precision, and protection negative-pressure air fan shell can be by artificial damage in carrying and cargo handling process.
Description of drawings
Fig. 1 is the sectional view of existing negative-pressure air fan;
Fig. 2 is the sectional view of negative-pressure air fan of the present invention.
Embodiment
The present invention is described in detail below in conjunction with each mode of execution shown in the drawings; but should be noted that; these mode of executions are not limitation of the present invention; those of ordinary skills are according to these mode of executions institutes work energy, method or structural equivalent transformation or substitute, within all belonging to protection scope of the present invention.
Consult shown in Figure 2ly, Fig. 2 is the sectional view of negative machine 10 1 embodiments of negative pressure of the present invention, and negative-pressure air fan 10 of the present invention comprises: shell 1, motor 2, flabellum 3, transmission shaft 4 and loading and unloading handle 5.Wherein said motor 2 and flabellum 3 lay respectively in the square intake grill 11 and circular exhaust outlet 12 at shell 1 two ends, and are connected by transmission shaft 4.During negative-pressure air fan 10 work, motor 2 starts, and drives flabellum 3 rotations by transmission shaft 4, reaches the effect of negative pressure ventilation.
As shown in Figure 2, a pair of loading and unloading handle 5 involved in the present invention is symmetricly set in the top (because Fig. 2 is sectional view, so only see a loading and unloading handle 5 in Fig. 2) of negative-pressure air fan 10 shell 1 intake grills 11.In carrying and cargo handling process, the workman can hold loading and unloading handle 5 like a cork, operates thereby the negative-pressure air fan 10 that relatively easily weight is reached 100 kilograms of left and right lifts or be reduced to pre-set position.Owing to having replaced this scheme of random site on traditional rope tool binding negative-pressure air fan 10 with loading and unloading handle 5, so guaranteed that negative-pressure air fan 10 is arranged on the precision of horizontal position, also can adjusts relatively easily negative-pressure air fan 10 and ground basal plane water steadying admittedly, and the motor 2 of the rear negative-pressure air fan 10 of installation is not easy to occur tilt phenomenon.So, can also reduce the installer in cargo handling process by the risk of negative-pressure air fan 10 scratches, scuffing, also having reduced negative-pressure air fan 10 is to knock probability bad, that destroy by the people in cargo handling process.Simultaneously, compare traditional rope binding, loading and unloading handle 5 of the present invention can easily operate undoubtedly fastly, thereby has improved installation and removal efficiency.
Need to prove, be symmetricly set in the top of negative-pressure air fan 10 shell 1 intake grills 11 due to a pair of loading and unloading handle 5 involved in the present invention, so, can't increase negative-pressure air fan 10 shared space in the horizontal direction.Simultaneously, the scratch that also can avoid in cargo handling process the object around negative-pressure air fan 10 shell 1 bi-side and personnel are caused, damage.But, if when installation environment was not high for the requirement of installing space and installation Security, described a pair of loading and unloading handle 5 also can be symmetricly set in respectively the bi-side of negative-pressure air fan 10 shell 1 intake grills 11.So, the Stevedore can hold like a cork in bi-side loading and unloading handle 5 carry out loading and unloading.
Further, loading and unloading handle 5 involved in the present invention is only one, and be arranged at the central position at negative-pressure air fan 10 shell 1 intake grill 11 tops, negative-pressure air fan 10 can be not unbalance when guaranteeing to sling loading and unloading with machine, thereby be easy to charge and discharge operations and guarantee handling safety.
Further, loading and unloading handle 5 involved in the present invention also can be arranged on part between shell 1 intake grill 11 and exhaust outlet 12 (top, both sides all can), because of this position more near the whole center of gravity place of negative-pressure air fan 10, so, in carrying and cargo handling process, more be conducive to keep the whole machine balancing of negative-pressure air fan 10, thereby be convenient to carrying and loading and unloading.
Further, loading and unloading handle 5 involved in the present invention all once takes shape on negative-pressure air fan 10 shells 1.
Further, loading and unloading handle 5 involved in the present invention all is " ∩ " shape, so that hold.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and in the situation that do not deviate from spirit of the present invention or essential characteristic, can realize the present invention with other concrete form.Therefore, no matter from which point, all should regard embodiment as exemplary, and be nonrestrictive, scope of the present invention is limited by claims rather than above-mentioned explanation, therefore is intended to include in the present invention dropping on the implication that is equal to important document of claim and all changes in scope.Any reference character in claim should be considered as limit related claim.
In addition, be to be understood that, although this specification is described according to mode of execution, but be not that each mode of execution only comprises an independently technological scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should make specification as a whole, and the technological scheme in each embodiment also can through appropriate combination, form other mode of executions that it will be appreciated by those skilled in the art that.

Claims (10)

1. negative-pressure air fan comprises: shell, motor, flabellum and transmission shaft, wherein said motor and flabellum lay respectively at two ends in shell, and are connected by transmission shaft, and it is characterized in that: described shell is provided with the loading and unloading handle.
2. negative-pressure air fan according to claim 1, it is characterized in that: described loading and unloading handle is two, and is symmetricly set in cover top portion.
3. negative-pressure air fan according to claim 2, is characterized in that: described two loading and unloading handles and shell once-through.
4. negative-pressure air fan according to claim 1, it is characterized in that: described loading and unloading handle is the single loading and unloading handle of being located at the cover top portion central position.
5. negative-pressure air fan according to claim 4, is characterized in that: described loading and unloading handle and shell once-through.
6. negative-pressure air fan according to claim 1, it is characterized in that: described loading and unloading handle is a pair of, and is symmetricly set in respectively shell bi-side.
7. negative-pressure air fan according to claim 6, is characterized in that: described a pair of loading and unloading handle and shell once-through.
8. negative-pressure air fan according to claim 1, it is characterized in that: the two ends of described shell are respectively intake grill and exhaust outlet, and described motor and flabellum lay respectively in intake grill and exhaust outlet, and described loading and unloading handle is arranged at the top of intake grill.
9. negative-pressure air fan according to claim 1, it is characterized in that: the two ends of described shell are respectively intake grill and exhaust outlet, described motor and flabellum lay respectively in intake grill and exhaust outlet, and described loading and unloading handle is arranged on position between intake grill and exhaust outlet.
10. negative-pressure air fan according to claim 1, it is characterized in that: described loading and unloading handle is " ∩ " shape.
CN2012105364005A 2012-12-13 2012-12-13 Negative-pressure fan Pending CN103104525A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012105364005A CN103104525A (en) 2012-12-13 2012-12-13 Negative-pressure fan

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012105364005A CN103104525A (en) 2012-12-13 2012-12-13 Negative-pressure fan

Publications (1)

Publication Number Publication Date
CN103104525A true CN103104525A (en) 2013-05-15

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Country Status (1)

Country Link
CN (1) CN103104525A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103603819A (en) * 2013-12-02 2014-02-26 昆山俊润通风降温设备有限公司 Negative-pressure fan
CN106175603A (en) * 2015-04-30 2016-12-07 青岛海高设计制造有限公司 floor cleaner and control method thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB189704854A (en) * 1897-02-23 1898-01-29 Fritz Eisenbeis Improvements in Ventilators.
GB190717696A (en) * 1907-08-02 1908-07-30 Henry Boddington Improvements in and relating to Windows, Shutters, Ventilators and the like.
CN2796336Y (en) * 2005-04-13 2006-07-19 瓦房店市精量播种机制造有限公司 Negative pressure fan
CN2927650Y (en) * 2006-06-20 2007-08-01 楚金福 Light backpack cotton picker
CN101382145A (en) * 2007-09-07 2009-03-11 株式会社瑞典 Blowing and discharging fan
CN202228391U (en) * 2011-09-05 2012-05-23 厦门欧镨斯节能机电有限公司 Negative pressure fan

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB189704854A (en) * 1897-02-23 1898-01-29 Fritz Eisenbeis Improvements in Ventilators.
GB190717696A (en) * 1907-08-02 1908-07-30 Henry Boddington Improvements in and relating to Windows, Shutters, Ventilators and the like.
CN2796336Y (en) * 2005-04-13 2006-07-19 瓦房店市精量播种机制造有限公司 Negative pressure fan
CN2927650Y (en) * 2006-06-20 2007-08-01 楚金福 Light backpack cotton picker
CN101382145A (en) * 2007-09-07 2009-03-11 株式会社瑞典 Blowing and discharging fan
CN202228391U (en) * 2011-09-05 2012-05-23 厦门欧镨斯节能机电有限公司 Negative pressure fan

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103603819A (en) * 2013-12-02 2014-02-26 昆山俊润通风降温设备有限公司 Negative-pressure fan
CN106175603A (en) * 2015-04-30 2016-12-07 青岛海高设计制造有限公司 floor cleaner and control method thereof

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Application publication date: 20130515