CN109201492A - Air-duct adjusting device, air-supply assembly and wheat flour purifier - Google Patents

Air-duct adjusting device, air-supply assembly and wheat flour purifier Download PDF

Info

Publication number
CN109201492A
CN109201492A CN201710550713.9A CN201710550713A CN109201492A CN 109201492 A CN109201492 A CN 109201492A CN 201710550713 A CN201710550713 A CN 201710550713A CN 109201492 A CN109201492 A CN 109201492A
Authority
CN
China
Prior art keywords
shell
air
aerofoil
adjusting device
worm gear
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
CN201710550713.9A
Other languages
Chinese (zh)
Inventor
陈小刚
邱孟柯
徐桂清
姚中海
芦苇
梁彦兵
李东黎
罗东辉
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.)
COFCO ENGINEERING EQUIPMENT (ZHANGJIAKOU) Co Ltd
Original Assignee
COFCO ENGINEERING EQUIPMENT (ZHANGJIAKOU) 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 COFCO ENGINEERING EQUIPMENT (ZHANGJIAKOU) Co Ltd filed Critical COFCO ENGINEERING EQUIPMENT (ZHANGJIAKOU) Co Ltd
Priority to CN201710550713.9A priority Critical patent/CN109201492A/en
Publication of CN109201492A publication Critical patent/CN109201492A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B11/00Arrangement of accessories in apparatus for separating solids from solids using gas currents
    • B07B11/02Arrangement of air or material conditioning accessories
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/18Adding fluid, other than for crushing or disintegrating by fluid energy
    • B02C23/20Adding fluid, other than for crushing or disintegrating by fluid energy after crushing or disintegrating

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)

Abstract

The present invention relates to wheat flour purifier fields, disclose a kind of air-duct adjusting device, air-supply assembly and wheat flour purifier, the air-duct adjusting device includes shell (1), worm gear mechanism, worm screw support portion, aerofoil shaft (2) and aerofoil, the aerofoil shaft (2) is through the shell (1) and is rotatably mounted in the shell (1), the aerofoil is mounted on the aerofoil shaft (2) and is located in the shell (1), outside of the worm gear mechanism setting in the shell (1), the worm gear (4) of the worm gear mechanism is nested in being pierced by the outer part of the shell (1) of the aerofoil shaft (2), the worm screw support portion is installed on the shell (1) and provides rotation support to the worm screw of the worm gear mechanism (3).The self-locking performance of air-duct adjusting device provided by the invention is good and Adjustment precision is high.

Description

Air-duct adjusting device, air-supply assembly and wheat flour purifier
Technical field
The present invention relates to wheat flour purifier fields, more particularly to air-duct adjusting device, air-supply assembly and wheat flour purifier.
Background technique
Wheat flour purifier is the machinery for isolating purer germ particles in the material after grinding from flour mill, wherein clear Powder machine is the wind regime for adjusting extraneous blower by the opening degree of aerofoil and providing.In the prior art, wheat flour purifier is to utilize and wind The lever of aerofoil connection in road adjusts the opening degree of aerofoil, and the end of lever is prominent in the outside of wheat flour purifier, operator Using extraneous handle come the opening degree of control lever.
There is self-locking performance difference in this structure, the wind that aerofoil is easy to be spread out of in air duct is blown, and due to clear powder The bolt of the vibration of machine, fastening lever can come loose, and the opening degree of aerofoil is caused to occur to change frequent occurrence, can not be accurately right The air quantity blown out in air duct is controlled.
Therefore, it is necessary to the adjustment components that a kind of self-locking performance is good and Adjustment precision is high.
Summary of the invention
The purpose of the invention is to overcome the problems, such as that self-locking performance of the existing technology is poor, Adjustment precision is low, one kind is provided Air-duct adjusting device, the air-duct adjusting device self-locking performance is good and Adjustment precision is high.
To achieve the goals above, one aspect of the present invention provides a kind of air-duct adjusting device, which includes Shell, worm gear mechanism, worm screw support portion, aerofoil shaft and aerofoil, the aerofoil shaft is through the shell and rotatable Ground is installed on the shell, and the aerofoil is mounted on the aerofoil shaft and is located in the shell, the worm and gear machine Structure is arranged in the outside of the shell, and what the worm gear of the worm gear mechanism was nested in the aerofoil shaft is pierced by the shell Outer part on, the worm screw support portion be installed on the shell and to the worm screw of the worm gear mechanism provide rotation branch Support.
Preferably, the worm screw includes main body bar and the toothed region that is formed on the main body bar, the worm screw support portion Including mounting box, the main body bar rotationally runs through the mounting box installation by bearing, and the worm gear is arranged in the peace In mounted box, the toothed region is formed on the part of the main body bar being located in the mounting box.
Preferably, the mounting box includes the first support plate and the second support of the axis setting perpendicular to the worm screw Plate is provided with lantern ring in first support plate, passes through the lantern ring, the main body bar and institute to the main body bar clearance fit It states and is provided with bearing between the second support plate.
Preferably, the mounting box includes the third support plate for being parallel to the axis setting of the worm gear, the aerofoil axis Bar runs through the third support plate, is provided with dial in the third support plate, the aerofoil shaft, which is provided with, to be used to indicate The pointer of the scale of the dial, the third support plate connect first support plate and second support plate.
Preferably, one end of the main body bar is provided with the handle for rotating the main body bar.
Preferably, it is formed with wheel teeth portion in a part of the outer peripheral surface of the worm gear, is provided with and is located on the outer peripheral surface The backstop fin at the wheel teeth portion both ends.
Preferably, in the shell setting there are two aerofoil arranged side by side and for separate two aerofoils every Plate, the axis where being respectively used to the aerofoil shaft of two aerofoils of installation is parallel to each other and is arranged in sustained height position It sets.
Preferably, the shell is arranged in two worm gear mechanisms for being respectively used to two aerofoil shafts of driving Opposite side.
Second aspect of the present invention provides a kind of air-supply assembly, and the air-supply assembly includes first shell, second shell and such as The upper air-duct adjusting device, the first shell is for being connected to extraneous wind regime, the second shell for being connected to wheat flour purifier Inner cavity, the shell have along perpendicular to the aerofoil shaft direction arrangement first and second mouthful, the first and Described second mouthful is respectively communicated with the first shell and the second shell.
Third aspect present invention provides a kind of wheat flour purifier, which includes air-supply assembly as described above.
Through the above technical solutions, the worm screw of rotation worm gear mechanism can drive the worm wheel to rotate, to drive aerofoil Shaft rotation finally makes the intracorporal aerofoil rotation of shell, plays the role of adjusting.Air-duct adjusting device provided by the present application from Lock property is preferably and the accuracy of adjustment is high.
Detailed description of the invention
Fig. 1 is the schematic diagram of air-supply assembly according to the preferred embodiment of the present invention;
Fig. 2 is the side view of the air-supply assembly of Fig. 1;
Fig. 3 is the schematic diagram of air-duct adjusting device according to the preferred embodiment of the present invention;
Fig. 4 is the cross-sectional view of the A-A of Fig. 3;
Fig. 5 is the cross-sectional view of the B-B of Fig. 4.
Description of symbols
1- shell 2- aerofoil shaft 3- worm screw 4- worm gear 5- main body bar 6- toothed region
7- handle 8- lantern ring 9- bearing 10- dial 11- the first support plate the second support plate of 12-
13- third support plate 14- pointer 15- pointer bolt 16- backstop fin 21- first shell
22- second shell
Specific embodiment
The present invention provides a kind of air-duct adjusting device, which includes shell 1, worm gear mechanism, worm screw Support portion, aerofoil shaft 2 and aerofoil, the aerofoil shaft 2 is through the shell 1 and is rotatably mounted in the shell 1, institute It states aerofoil to be mounted on the aerofoil shaft 2 and be located in the shell 1, the worm gear mechanism is arranged in the shell 1 Outside, the worm gear 4 of the worm gear mechanism is nested in being pierced by the outer part of the shell 1 of the aerofoil shaft 2, The worm screw support portion is installed on the shell 1 and provides rotation support to the worm screw of the worm gear mechanism 3.
Structure referring to fig. 1 and fig. 2, aerofoil shaft 2 are pierced by shell 1, and worm gear 4 fixedly covers on aerofoil shaft 2 So that aerofoil shaft 2 can follow worm gear 4 to rotate when worm gear 4 rotates.Rotary worm 3 can be such that worm gear 4 rotates, thus Aerofoil shaft 2 is driven to rotate, the final aerofoil rotation driven in shell 1.
Wherein, aerofoil can be welded on aerofoil shaft 2;The position that aerofoil shaft 2 and shell 1 contact can be with adhesive seal Set or sealant are sealed, to prevent the wind in shell 1 from revealing.
Worm screw support portion can select structure appropriate to carry out supporting worm, it is preferable that the worm screw 3 includes 5 He of main body bar The toothed region 6 being formed on the main body bar 5, the worm screw support portion includes mounting box, and the main body bar 5 can be turned by bearing It is installed dynamicly through the mounting box, the worm gear 4 is arranged in the mounting box, and the toothed region 6 is formed in the main body On the part of bar 5 being located in the mounting box.
With reference to structure shown in fig. 5, main body bar 5 runs through the two side walls face of mounting box, opposite by two of mounting box Side wall surface be supported, in order to guarantee the effect of worm gear mechanism, 5 horizontal of main body bar, i.e., main body bar 5 is on sustained height Through the two side walls face of mounting box.The toothed region 6 and worm gear 4 of worm screw 3 are arranged in mounting box, can be to avoid worm and gear machine Structure is touched by extraneous mistake, improves the stability of device.
In order to enable worm screw 3 can rotate, it is preferable that the mounting box includes the axis setting perpendicular to the worm screw 3 The first support plate 11 and the second support plate 12, be provided with lantern ring 8 in first support plate 11,5 gap of main body bar is matched It closes ground and passes through the lantern ring 8, be provided with bearing 9 between the main body bar 5 and second support plate 12.
As shown in figure 5, being clearance fit between lantern ring 8 and main body bar 5, so as to make main body bar 5 in the first support plate Fine tuning in 11 through-hole, to realize better worm gear mechanism transmission effect.
For the ease of rotary worm 3, it is preferable that one end of the main body bar 5 is provided with for rotating the main body bar 5 Handle 7.Wherein, handle 7 is preferably arranged adjacent to one end of lantern ring 8, the i.e. outside of the first support plate 11, due to lantern ring 8 and master 5 clearance fit of body rod, holding handle 7 can not only rotary worm 3, additionally it is possible to finely tune the position of worm screw 3 around, optimize turbine The transmission effect of worm mechanism.
Preferably, the mounting box includes the third support plate 13 for being parallel to the axis setting of the worm gear 4, the aerofoil Shaft 2 runs through the third support plate 13, and dial 10 is provided in the third support plate 13, and the aerofoil shaft 2 is arranged There is the pointer 14 for the scale for being used to indicate the dial 10, the third support plate 13 connects first support plate 11 and institute State the second support plate 12.
Since aerofoil is fixed on aerofoil shaft 2, aerofoil can follow aerofoil shaft 2 to rotate synchronously, for the ease of looking into It sees the position where aerofoil, as shown in Figure 3 and Figure 4, the shaft end of aerofoil shaft 2 is provided with screw 15, the threaded shank of screw 15 The head backstop of the shaft end of aerofoil shaft 2 and screw 15 is fastened in third support plate 13.When aerofoil shaft 2 rotates, spiral shell Nail 15 follows aerofoil shaft 2 to rotate synchronously.
Pointer 14 can be integrally formed with screw 15, and the direction of pointer 14 can choose with the parallel of aerofoil, so that referring to Needle 14 can intuitively react the position of air outlet plate, using pointer 14 cooperate dial 10 it can be concluded that aerofoil with horizontally or vertically The angle in direction, more accurately to adjust the position of aerofoil.
Preferably, it is formed with wheel teeth portion in a part of the outer peripheral surface of the worm gear 4, is provided with and is located on the outer peripheral surface The backstop fin 16 at the wheel teeth portion both ends.Backstop fin 16 can cooperate and limit the rotation model of aerofoil shaft 2 with worm screw 3 It encloses, to limit the slewing area of aerofoil, aerofoil is stably placed within required adjustable range.
Preferably, in the shell 1 setting there are two aerofoil arranged side by side and for separate two aerofoils every Plate, the axis where being respectively used to the aerofoil shaft 2 of two aerofoils of installation is parallel to each other and is arranged in sustained height Position.Using two aerofoils in shell 1, when two aerofoils are closed jointly, which be may be implemented to air duct Closing;When two aerofoils are opened, wind can pass through from the gap between two aerofoils, to enable wind from regulating device Intermediate position enters the inner cavity of wheat flour purifier;In addition, the structure that two aerofoils are opened and closed jointly makes air-duct adjusting device for wind Adjusting it is more accurate.
It is interfered with each other in order to avoid adjusting the worm gear mechanism of two aerofoils respectively, it is preferable that be respectively used to driving two The opposite side of the shell 1 is arranged in two worm gear mechanisms of a aerofoil shaft 2.As depicted in figs. 1 and 2, shell 1 The surface of end needs to arrange worm screw support portion and worm gear mechanism, and layout comparison is compact, by the worm screw branch of two aerofoils Support part and worm gear mechanism are arranged in the opposite side of shell 1 it is possible to prevente effectively from interference.
Second aspect of the present invention provides a kind of air-supply assembly, and the air-supply assembly includes first shell 21, second shell 22 With air-duct adjusting device as described above, the first shell 21 is for being connected to extraneous wind regime, the second shell 22 for being connected to The inner cavity of wheat flour purifier, the shell 1 have first and second mouthful along the direction arrangement perpendicular to the aerofoil shaft 2, institute It states first and described second mouthful is respectively communicated with the first shell 21 and the second shell 22.As depicted in figs. 1 and 2, It is connected between one shell 21 and second shell 22 by shell 1, first shell can control by the aerofoil inside adjustment housings 1 21 are sent into the amount of wind to second shell 22.
Third aspect present invention provides a kind of wheat flour purifier, which includes air-supply assembly as described above.
Wheat flour purifier provided by the invention can use the worm screw positioned at the worm gear mechanism of wheat flour purifier hull outside to adjust Extraneous blower is saved to the wind regime provided inside wheat flour purifier.
It is described the prefered embodiments of the present invention in detail above in conjunction with attached drawing, still, the present invention is not limited thereto.At this , can be with various simple variants of the technical solution of the present invention are made in the range of the technology design of invention, including each particular technique Feature is combined in any suitable manner.In order to avoid unnecessary repetition, the present invention is to various combinations of possible ways No further explanation will be given.But it should also be regarded as the disclosure of the present invention for these simple variants and combination, belongs to the present invention Protection scope.

Claims (10)

1. a kind of air-duct adjusting device, which is characterized in that the air-duct adjusting device includes shell (1), worm gear mechanism, worm screw Support portion, aerofoil shaft (2) and aerofoil, the aerofoil shaft (2) is through the shell (1) and is rotatably mounted in the shell Body (1), the aerofoil are mounted on the aerofoil shaft (2) and are located in the shell (1), the worm gear mechanism setting In the outside of the shell (1),
The worm gear (4) of the worm gear mechanism is nested in the outer part for being pierced by the shell (1) of the aerofoil shaft (2) On, the worm screw support portion is installed on the shell (1) and provides rotation support to the worm screw of the worm gear mechanism (3).
2. air-duct adjusting device according to claim 1, which is characterized in that the worm screw (4) includes main body bar (5) and shape At the toothed region (6) on the main body bar (5), the worm screw support portion includes mounting box, and the main body bar (5) passes through bearing It is rotationally installed through the mounting box, the worm gear (4) is arranged in the mounting box, and the toothed region (6) is formed in On the part of the main body bar (5) being located in the mounting box.
3. air-duct adjusting device according to claim 2, which is characterized in that the mounting box includes perpendicular to the worm screw (3) the first support plate (11) and the second support plate (12) of axis setting, are provided with lantern ring on first support plate (11) (8), the lantern ring (8), the main body bar (5) and second support plate (12) are passed through to main body bar (5) clearance fit Between be provided with bearing (9).
4. air-duct adjusting device according to claim 3, which is characterized in that the mounting box includes being parallel to the worm gear (4) the third support plate (13) of axis setting, the aerofoil shaft (2) run through the third support plate (13), the third It is provided in support plate (13) dial (10), the aerofoil shaft (2) is provided with the quarter for being used to indicate the dial (10) The pointer (14) of degree, the third support plate (13) connect first support plate (11) and second support plate (12).
5. air-duct adjusting device according to claim 2, which is characterized in that one end setting of the main body bar (5) is useful In the handle (7) for rotating the main body bar (5).
6. air-duct adjusting device according to claim 2, which is characterized in that a part of the outer peripheral surface of the worm gear (4) On be formed with wheel teeth portion, be provided on the outer peripheral surface positioned at it is described wheel teeth portion both ends backstop fin (16).
7. air-duct adjusting device according to claim 1, which is characterized in that there are two side by side for setting in the shell (1) The aerofoil of setting and partition for separating two aerofoils are respectively used to the aerofoil shaft of two aerofoils of installation (2) axis where is parallel to each other and is arranged in sustained height position.
8. air-duct adjusting device according to claim 7, which is characterized in that be respectively used to two aerofoil shafts of driving (2) opposite side of the two worm gear mechanisms setting in the shell (1).
9. a kind of air-supply assembly, which is characterized in that the air-supply assembly includes first shell (21), second shell (22) and right It is required that air-duct adjusting device described in any one of 1-8, the first shell (21) is for being connected to extraneous wind regime, the second shell Body (22) is used to be connected to the inner cavity of wheat flour purifier, and the shell (1) has along the direction arrangement perpendicular to the aerofoil shaft (2) First and second mouthful, the first and described second mouthful are respectively communicated with the first shell (21) and the second shell (22)。
10. a kind of wheat flour purifier, which is characterized in that the wheat flour purifier includes air-supply assembly described in claim 9.
CN201710550713.9A 2017-07-07 2017-07-07 Air-duct adjusting device, air-supply assembly and wheat flour purifier Pending CN109201492A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710550713.9A CN109201492A (en) 2017-07-07 2017-07-07 Air-duct adjusting device, air-supply assembly and wheat flour purifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710550713.9A CN109201492A (en) 2017-07-07 2017-07-07 Air-duct adjusting device, air-supply assembly and wheat flour purifier

Publications (1)

Publication Number Publication Date
CN109201492A true CN109201492A (en) 2019-01-15

Family

ID=64991004

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710550713.9A Pending CN109201492A (en) 2017-07-07 2017-07-07 Air-duct adjusting device, air-supply assembly and wheat flour purifier

Country Status (1)

Country Link
CN (1) CN109201492A (en)

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB156972A (en) * 1919-11-25 1921-01-20 George Hardiman Ransom Improvements in or relating to worm gearing for varying the inclination of wind screens and the like
KR20000060576A (en) * 1999-03-17 2000-10-16 김남선 Particle Separation Device by Size
CN2550684Y (en) * 2002-06-12 2003-05-14 大连葆光节能空调设备厂 Hand operated air volume regulating valve actuator
CN102267375A (en) * 2010-06-01 2011-12-07 赵立兵 Vehicle-mounted wind driven generator grating with worm and gear transmission
CN102418547A (en) * 2011-12-06 2012-04-18 枣庄矿业(集团)有限责任公司柴里煤矿 Poking wheel type air quantity adjustable air window
CN202360776U (en) * 2011-12-04 2012-08-01 湖南奥特朗工业装备有限公司 Inching butterfly valve
CN203478554U (en) * 2013-08-30 2014-03-12 江苏姑苏净化科技有限公司 Volume damper
CN204175986U (en) * 2014-09-19 2015-02-25 苏州兴亚净化工程有限公司 A kind of high-air-tightness worm and gear air-valve
CN204664442U (en) * 2015-06-02 2015-09-23 上海盛剑环境系统科技有限公司 A kind of air-valve
CN205037522U (en) * 2015-09-30 2016-02-17 苏州达善净化科技有限公司 Make things convenient for air regulation's high -efficiency air supplying port
CN205297622U (en) * 2015-12-22 2016-06-08 大同煤矿集团有限责任公司 It is rotatory from locking -type regulation wind window
CN106391474A (en) * 2016-11-26 2017-02-15 扬州市仙龙粮食机械有限公司 Efficient flour cleaning machine
CN207042858U (en) * 2017-07-07 2018-02-27 中粮工程装备(张家口)有限公司 Air-duct adjusting device, air-supply assembly and wheat flour purifier

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB156972A (en) * 1919-11-25 1921-01-20 George Hardiman Ransom Improvements in or relating to worm gearing for varying the inclination of wind screens and the like
KR20000060576A (en) * 1999-03-17 2000-10-16 김남선 Particle Separation Device by Size
CN2550684Y (en) * 2002-06-12 2003-05-14 大连葆光节能空调设备厂 Hand operated air volume regulating valve actuator
CN102267375A (en) * 2010-06-01 2011-12-07 赵立兵 Vehicle-mounted wind driven generator grating with worm and gear transmission
CN202360776U (en) * 2011-12-04 2012-08-01 湖南奥特朗工业装备有限公司 Inching butterfly valve
CN102418547A (en) * 2011-12-06 2012-04-18 枣庄矿业(集团)有限责任公司柴里煤矿 Poking wheel type air quantity adjustable air window
CN203478554U (en) * 2013-08-30 2014-03-12 江苏姑苏净化科技有限公司 Volume damper
CN204175986U (en) * 2014-09-19 2015-02-25 苏州兴亚净化工程有限公司 A kind of high-air-tightness worm and gear air-valve
CN204664442U (en) * 2015-06-02 2015-09-23 上海盛剑环境系统科技有限公司 A kind of air-valve
CN205037522U (en) * 2015-09-30 2016-02-17 苏州达善净化科技有限公司 Make things convenient for air regulation's high -efficiency air supplying port
CN205297622U (en) * 2015-12-22 2016-06-08 大同煤矿集团有限责任公司 It is rotatory from locking -type regulation wind window
CN106391474A (en) * 2016-11-26 2017-02-15 扬州市仙龙粮食机械有限公司 Efficient flour cleaning machine
CN207042858U (en) * 2017-07-07 2018-02-27 中粮工程装备(张家口)有限公司 Air-duct adjusting device, air-supply assembly and wheat flour purifier

Similar Documents

Publication Publication Date Title
CN201318323Y (en) Fan capable of regulating blade angle
CN206504450U (en) New bellows regulating device of air door
CN207042858U (en) Air-duct adjusting device, air-supply assembly and wheat flour purifier
CN107515646A (en) A kind of Novel chassis of good dustproof effect
CN202690538U (en) Fan with adjustable-angle air guiding device
CN109201492A (en) Air-duct adjusting device, air-supply assembly and wheat flour purifier
CN207963081U (en) Wind guiding mechanism, air conditioner indoor unit and air conditioner
CN207350641U (en) The air intake adjusting device of fresh air purifier
CN104154640B (en) Air vent
CN102507282A (en) Division ratio adjustment device
CN208438400U (en) It is a kind of for adjusting the device in vacuum die cutting roller inner vacuum area and air blowing area
CN204240549U (en) Ventilating opening volume adjusting apparatus and there is its air-conditioning system
CN201326042Y (en) Cotton opener grid bar adjusting device
RU2006146940A (en) CENTRIFUGAL MILL FOR GRINDING BULK MATERIAL
CN104455677A (en) Drive device for butterfly valve
CN208340917U (en) A kind of storehouse to be comminuted of animal feed production
CN209730984U (en) A kind of motor cooling device
CN205738172U (en) There is the electronic quantitative packing scale of step-less adjustment gate mechanism
CN107130565B (en) A kind of pivot gate
CN209364532U (en) A kind of micro-adjusting mechanism of Steam Turhine Adjustment steam valve
CN208045694U (en) The servo pitching regulating device of satellite antenna
CN206073401U (en) A kind of air-conditioner
CN207830216U (en) A kind of air duct of conveniently adjusted wind turbine exhaust air rate
CN100445121C (en) Transmission mechanism of electric vehicle speed regulation device
CN202812418U (en) Novel driving structure of manual air valve

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination