CN109882433A - A kind of blower - Google Patents
A kind of blower Download PDFInfo
- Publication number
- CN109882433A CN109882433A CN201910232536.9A CN201910232536A CN109882433A CN 109882433 A CN109882433 A CN 109882433A CN 201910232536 A CN201910232536 A CN 201910232536A CN 109882433 A CN109882433 A CN 109882433A
- Authority
- CN
- China
- Prior art keywords
- motor
- vane frame
- bevel gear
- fixing axle
- mounting rack
- 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.)
- Granted
Links
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention relates to blower technical fields, specially a kind of blower, including shell, the preceding protective grille for the mounting rack in shell, being installed on first motor on mounting rack, being installed on case nose, rear protecting grid, blade, fixing axle, the vane frame of hollow structure and the retaining mechanism inside vane frame for being installed on outer casing back, before the front end of vane frame is pivotally mounted in protective grille, the rear end of vane frame is pivotally mounted to be connected on mounting rack and with the output shaft of first motor；Fixing axle is vertically rotationally connected with the outside of vane frame, and one end of fixing axle is connected with blade, and the other end of fixing axle is through to inside vane frame and is connected with the retaining mechanism for limiting fixing axle rotation.Structure of the invention is simple, rationally distributed；Retaining mechanism only need to first be released to the locking function of fixing axle, then rotate fixing axle or blade, so that it may change the angle of blade, is finally locked axis by retaining mechanism again, it is simple to operate.
Description
Technical field
The present invention relates to blower technical field, specially a kind of blower.
Background technique
Blower is a kind of device for converting electrical energy into aerodynamic energy, can play cool, vented exhaust etc. is made
With being widely used in the industry.When blower operates, it can accurately change its air quantity, wind by changing the angle of its blade
Pressure, power, thus it is widely used in the cooling of large scale equipment.
In the prior art, the angle of the blade of blower cannot largely change, only the blade of small part blower
Angle is adjustable, but is needed by manually carrying out disassembly adjustment, complicated for operation and time-consuming and laborious.For this purpose, we mention
A kind of blower is gone out.
Summary of the invention
The main purpose of the present invention is to provide a kind of blowers, to solve deficiency mentioned above in the background art.
To achieve the above object, the invention provides the following technical scheme: a kind of blower, including shell, in shell
Mounting rack is installed on first motor on mounting rack, is installed on the preceding protective grille of case nose, is installed on the rear defence of outer casing back
Grid, blade, fixing axle, the vane frame of hollow structure and the retaining mechanism inside vane frame are protected, the vane frame
Front end is pivotally mounted in the preceding protective grille, the rear end of the vane frame be pivotally mounted on the mounting rack and with
The output shaft of the first motor is connected；The fixing axle is vertically rotationally connected with the outside of the vane frame, and described solid
One end of dead axle is connected with the blade, the other end of the fixing axle be through to inside the vane frame and with for limiting institute
The retaining mechanism for stating fixing axle rotation is connected.
The beneficial effects of the present invention are: structure of the invention is simple, rationally distributed；It need to only first pass through and release the locking
Then mechanism rotates the fixing axle or the blade, so that it may change the blade to the locking function of the fixing axle
Angle, the fixing axle is finally locked by the retaining mechanism again, it is simple to operate.
Preferably, the retaining mechanism includes first bevel gear, second bevel gear and is integrally connected to second bevel gear
The link block of front end, the first bevel gear are connected to the fixing axle, and the link block, which can slide back and forth, is connected to the leaf
The inside of horse；After the link block slides backward, the second bevel gear and first bevel gear intermeshing；When described
After link block forward slip, the second bevel gear and first bevel gear are separated from each other.Its advantage is that: due to the link block
It can only slide back and forth, after the link block slides backward, the second bevel gear and first bevel gear intermeshing, from
And the first bevel gear is locked, and then limit the fixing axle rotation, the angle for being avoided the blade changes；When
After the link block forward slip, the second bevel gear and first bevel gear are separated from each other, to release to the fixation
The locking of axis is able to rotate the angle of the fixing axle or the blade to change the blade.
Preferably, the link block, which can slide back and forth, is connected to the inside of the vane frame and refers to the outside of the link block
Several positioning sliding blocks are integrally formed with, and the inside of the vane frame is equipped with several positioning runners, institute along its front and back extreme direction
Positioning sliding block shiding matching is stated in the positioning runner.Its advantage is that: it is sliding along front and back extreme direction to ensure that the link block is only capable of
It is dynamic, avoid the link block from rotating to which the first bevel gear can not be locked.
Preferably, further include driving mechanism for driving fixing axle rotation, the driving mechanism includes shaft, peace
Loaded on the third hand tap gear in shaft, the convex block that is integrally connected on third hand tap gear rear end face and positioned at the vane frame
Card slot on the medial surface of rear end, through being equipped with through-hole, the shaft and third hand tap gear on the rear end face of the vane frame
Be respectively positioned on inside the vane frame, and the rear end of the shaft after the through-hole again with the output shaft phase of the first motor
Even；The first motor, which can slide back and forth, is connected to the mounting rack, after the first motor forward slip, the convex block
It is separated from each other with card slot, the third hand tap gear and first bevel gear intermeshing；After the first motor slides backward,
The third hand tap gear and first bevel gear is separated from each other, and the convex block and card slot are mutually matched.Its advantage is that: when described
After first motor forward slip, the convex block and card slot are separated from each other, and the shaft is unable to drive the vane frame rotation, institute
Third hand tap gear and the first bevel gear intermeshing stated, the shaft are able to drive described first by the third hand tap gear
Bevel gear rotation, to change the angle of the blade；After the first motor slides backward, the third hand tap gear and
First bevel gear is separated from each other, and the convex block and card slot are mutually matched, and the shaft is able to continue to drive the vane frame to turn
It is dynamic.
Preferably, the front end of the shaft is rotationally connected with the second bevel gear by first bearing.Its advantage is that:
When the first motor slides backward, the front end of the shaft drives the second bevel gear to move backward, to lock automatically
The tight first bevel gear；After the first motor forward slip, the front end of the shaft drive the second bevel gear to
Preceding movement, to automatically terminate the locking to the first bevel gear.
Preferably, the first motor can slide back and forth be connected to the mounting rack refer on the mounting rack along its front and back
Extreme direction is equipped with sliding slot, and the first motor is equipped with sliding block, and the sliding block is slidably connected to the sliding slot.Its advantage is that: institute
The cooperation between sliding block and sliding slot stated, is achieved sliding back and forth for the first motor.
Preferably, the mounting rack is equipped with the driving device for driving the sliding block sliding, the driving device packet
The second motor, lead screw and worm and gear are included, the lead screw is installed in the first motor along front and back extreme direction, and described second
Motor is installed on the mounting rack, and second motor is connected by the worm and gear with the lead screw.Its advantage is that:
The first motor can be driven to slide back and forth automatically by second motor.
Preferably, the mounting rack be equipped with along its front and back extreme direction arrangement limit sliding chutes, the first motor and
Position limiting slide block is equipped between lead screw, the position limiting slide block shiding matching is in the limit sliding chutes.Its advantage is that: in the limit
Under the cooperation of position sliding slot and position limiting slide block, the cooperation precision between the convex block and card slot, the second cone tooth are improved
The degree of engagement between degree of engagement and the third hand tap gear and first bevel gear between wheel and first bevel gear.
Preferably, second bearing is equipped between the fixing axle and vane frame.Its advantage is that: it is easy to implement the fixation
The rotation of axis.
Preferably, 3rd bearing, the vane frame and mounting rack are equipped between the vane frame and preceding protective grille
Between be equipped with fourth bearing.Its advantage is that: it is easy to implement the rotation of the vane frame.
Detailed description of the invention
Fig. 1 is the perspective view of blower according to a preferred embodiment of the present invention；
Fig. 2 is the perspective view of the explosion of blower according to a preferred embodiment of the present invention (under backsight state)；
Fig. 3 is the perspective view of the explosion of vane frame part according to a preferred embodiment of the present invention (under backsight state)；
Fig. 4 is the perspective view of the explosion of vane frame part according to a preferred embodiment of the present invention (under forward sight state)；
Fig. 5,6 are schematic illustrations according to a preferred embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, further retouches to the specific embodiment of the embodiment of the present invention
It states.Following embodiment is only used for more clearly illustrating the technical solution of the present embodiment, and it is of the invention to cannot be used as a limitation limitation
Protection scope.
Please refer to Fig. 1 to Fig. 6, in the embodiment of the present invention, a kind of blower, including shell 1, mounting rack 11, preceding protective grille
12, rear protecting grid 13, first motor 2, blade 3, fixing axle 4, the vane frame of hollow structure 5, retaining mechanism 6, driving mechanism 7
And driving device 8；The mounting rack 11 is welded in the inside of the shell 1, and leads between the mounting rack 11 and shell 1
It crosses reinforcing rib 600 and carries out consolidation process；The preceding protective grille 12 is installed on the front end of the shell 1 by screw, after described
Protective grille 13 be installed on by screw the shell 1 rear end (front refer to by the rear protecting grid 13 be directed toward it is described before
The direction of protective grille 12, rear refer to that the preceding protective grille 12 is directed toward the direction of the rear protecting grid 13, similarly hereinafter)；In
The vane frame 5 of hollow structure is made of ontology 501, front cover 502 and rear cover 503, and the front end of the vane frame 5 is rotatably pacified
Loaded in the preceding protective grille 12, i.e., the preceding protection lattice may be rotatably mounted at by the front axle 5021 on the front cover 502
On grid 12；The rear end of the vane frame 5 is pivotally mounted on the mounting rack 11, that is, passes through the rear axle on the rear cover 503
5031 may be rotatably mounted on the mounting rack 11；The fixing axle 4 is vertically rotationally connected with the outside of the vane frame 5,
And one end of the fixing axle 4 is connected by bolt with the blade 3, the other end of the fixing axle 4 is through to the blade
5 inside of frame is simultaneously connected with for limiting the retaining mechanism 6 that the fixing axle 4 rotates.
In embodiment, the retaining mechanism 6 includes first bevel gear 61, second bevel gear 62 and is integrally connected to second
The link block 63 of 62 front end of bevel gear, the first bevel gear 61 are connected to the fixing axle 4, and the link block 63 can front and back cunning
The dynamic inside for being connected to the vane frame 5, i.e., the outside of the described link block 63 are integrally formed with four positioning sliding blocks 631, and described
The inside of vane frame 5 along its front and back extreme direction be equipped with four positioning runners 51 (positioning sliding block 631 and positioning runner 51
Quantity is not limited to this, can also be any other quantity), 631 shiding matching of positioning sliding block is in the positioning runner
In 51；After the link block 63 slides backward, the second bevel gear 62 and first bevel gear 61 are intermeshed；When described
After 63 forward slip of link block, the second bevel gear 62 and first bevel gear 61 are separated from each other.
In embodiment, the driving mechanism 7 includes shaft 71, the third hand tap gear 72 being installed in shaft 71, integrally connects
Four convex blocks 721 being connected on 72 rear end face of third hand tap gear and four on the medial surface of the rear end of the vane frame 5
A card slot 52 (quantity of the convex block 721 and card slot 52 is preferably four, but not limited to this, it can also be other numbers
Amount), through through-hole 53 is equipped on the rear end face of the vane frame 5, the shaft 71 and third hand tap gear 72 are respectively positioned on described
The inside of vane frame 5, and the rear end of the shaft 71 passes through shaft coupling 500 and the first motor again after the through-hole 53
2 output shaft is connected, and the front end of the shaft 71 is rotationally connected with the second bevel gear 62 by first bearing 100；Institute
It states first motor 2 and can slide back and forth and be connected to the mounting rack 11, i.e., extreme direction is equipped with before and after it on the mounting rack 11
Sliding slot 111, is equipped with sliding block 21 in the first motor 2, and the sliding block 21 is slidably connected to the sliding slot 111；When described
After one motor, 2 forward slip, the convex block 721 and card slot 52 are separated from each other, the second bevel gear 62 and the first cone tooth
Wheel 61 is separated from each other, and the third hand tap gear 72 and first bevel gear 61 are intermeshed；When the first motor 2 slides backward
Afterwards, the third hand tap gear 72 and first bevel gear 61 are separated from each other, the second bevel gear 62 and first bevel gear 61
Intermeshing, the convex block 721 and card slot 52 are mutually matched.
In embodiment, the driving device 8 includes the second motor 81, lead screw 82 and worm and gear 83, the lead screw 82
Along front and back, extreme direction is installed in the first motor 2, and second motor 81 is installed on the mounting rack 11, and described
Two motors 81 are connected by the worm and gear 83 with the lead screw 82, are able to by described in second motor 81 automatically driving
First motor 2 slides back and forth.
In embodiment, the mounting rack 11 be equipped with along its front and back extreme direction arrangement limit sliding chutes 112, described first
Position limiting slide block 22 is equipped between motor 2 and lead screw 82,22 shiding matching of position limiting slide block in the limit sliding chutes 112,
Under the cooperation of limit sliding chutes 112 and the position limiting slide block 22, the cooperation essence between the convex block 721 and card slot 52 is improved
Degree, the degree of engagement between the second bevel gear 62 and first bevel gear 61 and the third hand tap gear 72 and the first cone
Degree of engagement between gear 61.
In embodiment, it is equipped with second bearing 200 between the fixing axle 4 and vane frame 5, is easy to implement the fixing axle
4 rotation.
In embodiment, 3rd bearing 300, the vane frame 5 are equipped between the vane frame 5 and preceding protective grille 12
Fourth bearing 400 is equipped between mounting rack 11, under the action of the 3rd bearing 300 and fourth bearing 400, convenient for real
The rotation of the existing vane frame 5.
In embodiment, the first motor 2 and the second motor 81 are both preferably stepper motor, since stepper motor is one
Kind converts electric pulse to the executing agency of angular displacement, is able to the angle by being precisely controlled the rotation of first motor 2 come smart
Standard adjusts the angle of the blade 3, and described precisely to adjust by being precisely controlled the angle that second motor 81 rotates
The distance that first motor 2 is moved forward and backward.
Working principle: as shown in Figure 5,6: driving the worm and gear 83 to drive the lead screw by second motor 81
82 travel forward, since the lead screw 82 is connected by the position limiting slide block 22 with the first motor 2, to force described
(during this, 22 shiding matching of position limiting slide block is in the limit sliding chutes 112 for telemechanical forward along the sliding slot 111 for one motor 2
Interior, 631 shiding matching of the positioning sliding block on the link block 63 is in the positioning runner 51), and then described in promotion
Third hand tap gear 72 and second bevel gear 62 travel forward, so that the convex block 721 can be separated gradually with the card slot 52, institute
Stating second bevel gear 62 can gradually separate with the first bevel gear 61, until the position limiting slide block 22 slides into the limit and slides
The front end of slot 112, at this point, the convex block 721 and card slot 52 is separated from each other, the second bevel gear 62 and the first cone tooth
Wheel 61 is separated from each other, and the third hand tap gear 72 and first bevel gear 61 are intermeshed (under this state, the first motor 2
Rotation, the vane frame 5 will not be rotated and then, and the blade 3 can be rotated and then), then be driven forward by the first motor 2
The first bevel gear 61 turns an angle, to change the angle of the blade 3；After the angle of the blade 3 is suitable,
Drive the worm and gear 83 that the lead screw 82 is driven to move backward by second motor 81 again, to drive described first
Motor 2 slides backward, and then the third hand tap gear 72 and second bevel gear 62 is pulled to move backward, so that the third is bored
Gear 72 can be separated gradually with the first bevel gear 61, and complete in the third hand tap gear 72 and the first bevel gear 61
After separation, before the second bevel gear 62 is not contacted with the first bevel gear 61, controls the first motor 2 and invert phase
Same angle, so that being able to accurate positioning between the convex block 721 and card slot 52；Until the position limiting slide block 22 slides into institute
The rearmost end of limit sliding chutes 112 is stated, at this point, the convex block 721 and card slot 52 is mutually matched (under this state, first electricity
Machine 2 rotates, and the vane frame 5 can be rotated and then), the second bevel gear 62 and first bevel gear 61 are intermeshed, thus
The blade 3 is locked, avoids blower during the work time, the blade 3 is made its angle change by air reaction force.
The foregoing is merely the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvements and modifications can also be made, these improvements and modifications
It should also be as being considered as protection scope of the present invention.
Claims (10)
1. a kind of blower including shell (1), the mounting rack (11) being located in shell (1), is installed on the first electricity on mounting rack (11)
Machine (2), the preceding protective grille (12) for being installed on shell (1) front end, the rear protecting grid (13) for being installed on shell (1) rear end and
Blade (3), which is characterized in that further include fixing axle (4), the vane frame (5) of hollow structure and to be located at vane frame (5) internal
Retaining mechanism (6), the front end of the vane frame (5) are pivotally mounted on the preceding protective grille (12), the vane frame (5)
Rear end be pivotally mounted to be connected on the mounting rack (11) and with the output shaft of the first motor (2)；The fixing axle
(4) outside of the vane frame (5), and one end of the fixing axle (4) and the blade (3) phase are vertically rotationally connected with
Even, the other end of the fixing axle (4) is through to the vane frame (5) inside and rotates with for limiting the fixing axle (4)
The retaining mechanism (6) be connected.
2. a kind of blower according to claim 1, which is characterized in that the retaining mechanism (6) includes first bevel gear
(61), second bevel gear (62) and it is integrally connected to the link block (63) of second bevel gear (62) front end, the first cone tooth
Wheel (61) is connected to the fixing axle (4), and the link block (63) can slide back and forth the inside for being connected to the vane frame (5)；
After the link block (63) slides backward, the second bevel gear (62) and first bevel gear (61) intermeshing；Work as institute
After stating link block (63) forward slip, the second bevel gear (62) and first bevel gear (61) are separated from each other.
3. a kind of blower according to claim 2, which is characterized in that the link block (63), which can slide back and forth, is connected to institute
The inside for stating vane frame (5), which refers to, is integrally formed with several positioning sliding blocks (631) on the outside of the link block (63), and the leaf
The inside of horse (5) along its front and back extreme direction be equipped with several positioning runners (51), positioning sliding block (631) shiding matching in
In the positioning runner (51).
4. a kind of blower according to claim 2, which is characterized in that further include for driving the fixing axle (4) to rotate
Driving mechanism (7), the driving mechanism (7) includes shaft (71), the third hand tap gear (72) being installed on shaft (71), one
Body is connected to the medial surface of the convex block (721) on third hand tap gear (72) rear end face and the rear end positioned at the vane frame (5)
On card slot (52), through being equipped with through-hole (53), the shaft (71) and triconodont on the rear end face of the vane frame (5)
It is internal that wheel (72) is respectively positioned on the vane frame (5), and the rear end of the shaft (71) after the through-hole (53) again with it is described
The output shaft of first motor (2) is connected；The first motor (2), which can slide back and forth, is connected to the mounting rack (11), when described
After first motor (2) forward slip, the convex block (721) and card slot (52) are separated from each other, the third hand tap gear (72)
It is intermeshed with first bevel gear (61)；After the first motor (2) slides backward, the third hand tap gear (72) and
One bevel gear (61) is separated from each other, and the convex block (721) and card slot (52) are mutually matched.
5. a kind of blower according to claim 4, which is characterized in that the front end of the shaft (71) passes through first bearing
(100) second bevel gear (62) are rotationally connected with.
6. a kind of blower according to claim 4, which is characterized in that the first motor (2), which can slide back and forth, to be connected to
The mounting rack (11) refers to that extreme direction is equipped with sliding slot (111) along its front and back on the mounting rack (11), the first motor (2)
It is equipped with sliding block (21), the sliding block is slidably connected to the sliding slot (111).
7. a kind of blower according to claim 6, which is characterized in that the mounting rack (11) is equipped with described for driving
The driving device (8) of sliding block (21) sliding, the driving device (8) include the second motor (81), lead screw (82) and worm gear snail
Bar (83), the lead screw (82) are installed on the first motor (2) along front and back extreme direction, and second motor (81) is installed on
On the mounting rack (11), and second motor (81) is connected by the worm and gear (83) with the lead screw (82).
8. a kind of blower according to claim 7, which is characterized in that the mounting rack (11) is equipped with along its front and back end side
To the limit sliding chutes (112) of arrangement, position limiting slide block (22) are equipped between the first motor (2) and lead screw (82), the limit
Position sliding block (22) shiding matching is in the limit sliding chutes (112).
9. a kind of blower according to claim 1, which is characterized in that set between the fixing axle (4) and vane frame (5)
There are second bearing (200).
10. a kind of blower according to claim 1, which is characterized in that the vane frame (5) and preceding protective grille (12)
Between be equipped with 3rd bearing (300), equipped with fourth bearing (400) between the vane frame (5) and mounting rack (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910232536.9A CN109882433B (en) | 2019-03-26 | 2019-03-26 | Fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910232536.9A CN109882433B (en) | 2019-03-26 | 2019-03-26 | Fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109882433A true CN109882433A (en) | 2019-06-14 |
| CN109882433B CN109882433B (en) | 2020-10-09 |
Family
ID=66934442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910232536.9A Active CN109882433B (en) | 2019-03-26 | 2019-03-26 | Fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109882433B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374908A (en) * | 2019-07-18 | 2019-10-25 | 浙江沈力防爆机电有限公司 | A kind of adjustable explosion-proof fan of fan blade angles |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS621690A (en) * | 1985-06-27 | 1987-01-07 | Fukashi Uragami | Variable pitch propeller |
| CN2443179Y (en) * | 2000-06-15 | 2001-08-15 | 浙江上风实业股份有限公司 | Pneumatic blade changeable axial-flow fan |
| GB2390647A (en) * | 2002-05-03 | 2004-01-14 | Truflo Air Movement Ltd | Mounting blades in axial flow fan impeller |
| CN205331050U (en) * | 2016-01-29 | 2016-06-22 | 邯郸市东方风机制造有限公司 | Axial -flow fan rotating vane developments adjusting device |
| CN206458649U (en) * | 2017-01-14 | 2017-09-01 | 上海凯风暖通设备有限公司 | The axial flow blower of easy to clean dust stratification |
| CN206753993U (en) * | 2017-04-21 | 2017-12-15 | 上海施依洛风机有限公司 | A kind of axial flow blower |
-
2019
- 2019-03-26 CN CN201910232536.9A patent/CN109882433B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS621690A (en) * | 1985-06-27 | 1987-01-07 | Fukashi Uragami | Variable pitch propeller |
| CN2443179Y (en) * | 2000-06-15 | 2001-08-15 | 浙江上风实业股份有限公司 | Pneumatic blade changeable axial-flow fan |
| GB2390647A (en) * | 2002-05-03 | 2004-01-14 | Truflo Air Movement Ltd | Mounting blades in axial flow fan impeller |
| CN205331050U (en) * | 2016-01-29 | 2016-06-22 | 邯郸市东方风机制造有限公司 | Axial -flow fan rotating vane developments adjusting device |
| CN206458649U (en) * | 2017-01-14 | 2017-09-01 | 上海凯风暖通设备有限公司 | The axial flow blower of easy to clean dust stratification |
| CN206753993U (en) * | 2017-04-21 | 2017-12-15 | 上海施依洛风机有限公司 | A kind of axial flow blower |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374908A (en) * | 2019-07-18 | 2019-10-25 | 浙江沈力防爆机电有限公司 | A kind of adjustable explosion-proof fan of fan blade angles |
| CN110374908B (en) * | 2019-07-18 | 2020-11-20 | 浙江沈力防爆机电有限公司 | Fan blade angle-adjustable explosion-proof fan |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109882433B (en) | 2020-10-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4964593A (en) | Missile having rotor ring | |
| CN109882433A (en) | A kind of blower | |
| US20120153876A1 (en) | Blower Apparatus having an Electric Drive Motor | |
| US20150217422A1 (en) | Hand Power Tool having an Electronically Commutated Electric Motor | |
| JP2010523898A5 (en) | ||
| CN109973335B (en) | Wind driven generator with speed regulation function | |
| CN108882648A (en) | A kind of heat radiation protection device of new mechanical and electrical equipment | |
| CN211174729U (en) | Installation base of multistage pump | |
| CN104929858A (en) | Straight rack type wind turbine blade adjusting mechanism | |
| CN205703285U (en) | For processing the rotation machine table of the pump housing | |
| CN112886758A (en) | Water-cooled permanent magnet synchronous brushless direct current motor | |
| US10358039B1 (en) | Vehicle turbine system | |
| CN111771491A (en) | Full-automatic additional fertilizer machine | |
| CN104986631A (en) | Aluminum armor tape winding machine | |
| CN211343356U (en) | Roots blower convenient to adjust motor cabinet | |
| CN210157699U (en) | Accurately controlled electric scissors | |
| CN215514177U (en) | Can adjust unmanned aerial vehicle for plant protection exploration of shooting angle | |
| CN109236059A (en) | Shot-blasting machine safety door lock device | |
| CN215514155U (en) | Plant protection balancing unit for unmanned aerial vehicle | |
| CN218201611U (en) | Elevator flat bed detection device | |
| KR20240051585A (en) | Power generating system for vehicle | |
| CN217168216U (en) | Fan installs electric wheel hub lock additional and uses positioner | |
| CN109128388A (en) | A kind of pcb board | |
| CN108736490A (en) | A kind of electric reactive compensating device | |
| CN220319441U (en) | Plastic steel window with anti-theft function |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |