CN207879651U - A kind of straight leaf formula Middle pressure draught fan - Google Patents
A kind of straight leaf formula Middle pressure draught fan Download PDFInfo
- Publication number
- CN207879651U CN207879651U CN201721773764.XU CN201721773764U CN207879651U CN 207879651 U CN207879651 U CN 207879651U CN 201721773764 U CN201721773764 U CN 201721773764U CN 207879651 U CN207879651 U CN 207879651U
- Authority
- CN
- China
- Prior art keywords
- pump cover
- middle pressure
- leaf formula
- pressure draught
- draught fan
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of straight leaf formula Middle pressure draught fans, belong to Middle pressure draught fan field.It is intended to provide a kind of straight leaf formula Middle pressure draught fan being convenient for changing strainer damaged in casing, its key points of the technical solution are that including casing, impeller, the motor of detachable, casing includes front pump cover, the pump housing, rear pump cover, front pump cover and rear pump cover are fixedly connected by bolt with the pump housing respectively, motor is fixed on rear pump cover, impeller is set on motor output shaft, there is integrally formed air outlet between the preceding pump housing and the rear pump housing, be equipped at front pump cover center into air duct, it is described enter air duct towards pump housing side be equipped with detachable strainer.Traditional strainer is arranged to detachable strainer by the present apparatus, is convenient for changing damaged detachable strainer.Detachable strainer uses a variety of fixing pieces, and staff can as the case may be, preferably suitable fixing piece.
Description
Technical field
The utility model is related to Middle pressure draught fan field, more particularly to a kind of straight leaf formula Middle pressure draught fan.
Background technology
Wind turbine is the machinery for conveying gas, and from the viewpoint of energy, it is that the mechanical energy of prime mover is changed into gas
A kind of machinery of physical efficiency amount, is accelerated gas using high-speed rotating impeller, is then slowed down, is changed flow direction, kinetic energy is made to be converted into
Potential energy (pressure).
Currently, the construction of the air blower used on the market is by rotary blade, volute casing, air inlet hole, discharge pipe and electricity
Machine forms.Motor is started when operation drives rotary blade to be rotated in volute casing, and air is inhaled into from air inlet hole and from outlet air
Pipe is discharged to form the wind with certain pressure.
Currently, notification number be CN205423233U Chinese patent disclose a kind of straight-blade fan, it include casing,
Impeller, motor, casing front end are equipped with drive end bearing bracket, and casing rear end is equipped with rear end cap, and rear end cap bottom is integrally formed with pedestal, casing
Air outlet is formed, is equipped with air intake vent at drive end bearing bracket axle center, impeller is disk-like structure, and the straight leaf of multi-disc is distributed in the front end face of impeller
Piece, prismatic blade are vertically set on the front end face of impeller, and prismatic blade extends along the radial direction of impeller, and prismatic blade is close to axle center
One end form inclined-plane, mutually enclose to form pre-large post-small bucket-shaped air draught slot between the inclined-plane of multi-disc prismatic blade, air draught front of the slot
Notch and air intake vent are mutually close.The prismatic blade combination air draught slot structure of the utility model impeller, when wheel rotation, blade can
It generates larger suction and the air boosting in casing is then exhausted from, air quantity can be greatly increased and improve wind pressure.
Although this straight-blade fan is provided with strainer at air intake vent, in actual use, due to strainer
Long-time service can cause the breakage of strainer, may result in impurity and enter in casing, influence the normal use of wind turbine.
Utility model content
The purpose of this utility model is to provide a kind of straight leaf formula Middle pressure draught fan, has and is convenient for changing filter damaged in casing
The advantages of net.
The above-mentioned technical purpose of the utility model technical scheme is that：
A kind of straight leaf formula Middle pressure draught fan, including the casing of detachable, straight leaf formula impeller, motor, casing include front pump cover, pump
Body, rear pump cover, front pump cover and rear pump cover are fixedly connected by bolt with the pump housing respectively, and motor is fixed on rear pump cover, straight leaf formula
Impeller is set on motor output shaft, has integrally formed air outlet, front pump cover to be equipped at center between the preceding pump housing and the rear pump housing
Enter air duct, it is described enter air duct be equipped with detachable strainer towards pump housing side.
By using above-mentioned technical proposal, when detachable strainer is due to being used for a long time damaged, by front pump cover from the pump housing
On remove, damaged detachable strainer is removed from front pump cover then, intact detachable strainer is changed, in not influencing
The use of pressure fan.
Further setting：The detachable strainer includes circular grid wire side, and grid wire side is equipped with along its outer circumferential edge edge
One circle mounting ring, is equipped with fixing piece between mounting ring and front pump cover.
By using above-mentioned technical proposal, the filtering of grid wire side enters the gas in casing, prevents the impurity pair in gas
Impeller in casing causes to damage；Grid wire side is connect by the mounting ring of outer with front pump cover.
Further setting：The fixing piece include it is circumferential be uniformly arranged several mounting holes in mounting ring, on front pump cover
The position of corresponding mounting hole is equipped with threaded hole, and installation bolt is equipped in threaded hole.
By using above-mentioned technical proposal, mounting ring is mounted on front pump cover using installation bolt, simple in structure, installation
It is convenient.
Further setting：Ring washer is equipped between the installation bolt and mounting ring.
By using above-mentioned technical proposal, ring washer further enhances the stabilization of mounting ring and front pump cover attaching structure
Property, it is convenient and practical.
Further setting：The installation bolt tail end is equipped with dovetail handle.
By using above-mentioned technical proposal, dovetail handle facilitates staff to screw installation bolt, convenient and efficient, time saving province
Power.
Further setting：The mounting ring is equipped with annular flange towards entering air duct side, and front pump cover is towards mounting ring side
Equipped with the annular groove coordinated with annular flange.
By using above-mentioned technical proposal, in the annular flange insertion annular groove of mounting ring, not only increase mounting ring with
The stability of front pump cover attaching structure, and reduce gas and enter mounting ring and the connection gap of front pump cover, it further strengthens
The stabilization of the two connection structure.
Further setting：The fixing piece includes the thread barrel being arranged in mounting ring, and thread barrel is located at mounting ring direction
Enter air duct side, enters air duct inner wall and be equipped with the screw thread coordinated with thread barrel.
By using above-mentioned technical proposal, mounting ring is connect by thread barrel with front pump cover, and stable structure is easy for installation.
Further setting：The threaded portion of the thread barrel is wound with band.
By using above-mentioned technical proposal, band strengthens thread barrel and enters the air-tightness between air duct, stable structure,
Gas is reduced to enter thread barrel and enter the gap between air duct.
Further setting：The annular groove agreed with mounting ring is equipped at the front pump cover medial center, fixing piece includes
Several hasp locks being arranged between front pump cover and mounting ring, several hasp locks circumferential direction on front pump cover are uniformly arranged.
By using above-mentioned technical proposal, front pump cover is connect with mounting ring using hasp lock, stable structure, installation side
Just.
Further setting：The grid wire side is made of stainless steel.
By using above-mentioned technical proposal, grid wire side made of stainless steel can delay the corrosion of grid wire side, extend
The service life of grid wire side.
In conclusion the utility model has the advantages that：
1, traditional strainer is arranged to detachable strainer by the present apparatus, is convenient for changing damaged detachable strainer.
2, detachable strainer is fixed using a variety of fixing pieces, and staff can select suitably as the case may be
Fixing piece.
Description of the drawings
Fig. 1 is the structural schematic diagram of straight leaf formula Middle pressure draught fan in embodiment 1；
Fig. 2 is the explosive view of straight leaf formula Middle pressure draught fan in embodiment 1；
Fig. 3 is the attachment structure schematic diagram for showing detachable strainer and front pump cover in embodiment 1；
Fig. 4 is the part A enlarged drawing of Fig. 3 in embodiment 1；
Fig. 5 is in embodiment 1 with the structural schematic diagram of the flange with display mounting ring；
Fig. 6 is the structural schematic diagram of thread barrel in embodiment 2；
Fig. 7 is the structural schematic diagram for showing hasp lock in embodiment 3.
In figure, 1, casing；11, front pump cover；111, annular groove；12, the pump housing；13, rear pump cover；2, straight leaf formula impeller；3, electric
Machine；4, enter air duct；5, detachable strainer；51, grid wire side；52, mounting ring；521, annular flange；6, fixing piece；61, pacify
Fill hole；62, threaded hole；63, installation bolt；631, dovetail handle；64, ring washer；65, thread barrel；66, annular groove；67, it takes
Padlock；7, air outlet.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment 1：A kind of straight leaf formula Middle pressure draught fan, as illustrated in fig. 1 and 2, including the casing 1 of detachable, straight leaf formula impeller 2
With motor 3, casing 1 includes front pump cover 11, the pump housing 12 and rear pump cover 13, and front pump cover 11 and rear pump cover 13 pass through bolt and the pump housing
12 are fixedly connected, and motor 3 is bolted on rear pump cover 13, and the straight fixation of leaf formula impeller 2 is set on 3 output shaft of motor simultaneously
In casing 1.It is equipped with air outlet 7 between front pump cover 11 and the pump housing 12, enters air duct 4 towards 12 side of the pump housing equipped with detachable
Strainer 5 is convenient for changing damaged detachable strainer 5.
As shown in Figures 2 and 3, detachable strainer 5 includes circular grid wire side 51, and grid wire side 51 uses stainless steel
At.Grid wire side 51, along a circle mounting ring 52 is equipped with, is equipped with fixing piece 6 along its outer circumferential edge between mounting ring 52 and front pump cover 11,
Detachable strainer 5 is installed on by fixing piece 6 on front pump cover 11.
As shown in Figures 3 and 4, fixing piece 6 includes that circumferential direction is uniformly arranged several mounting holes 61 in mounting ring 52, front pump cover
The position that mounting hole 61 is corresponded on 11 is equipped with threaded hole 62, installation bolt 63 is equipped in threaded hole 62, installation bolt 63 passes through peace
Mounting hole 61 on dress ring 52 is screwed into bolt hole, to which mounting ring 52 to be fixed on front pump cover 11.63 tail end of installation bolt
Equipped with dovetail 631, staff is facilitated to screw installation bolt 63.
As shown in Figures 3 and 4, ring washer 64 is equipped between installation bolt 63 and mounting ring 52, installation bolt 63 is worn successively
Ring washer 64, the mounting hole 61 in mounting ring 52 are crossed, and is finally threaded into hole 62, ring washer 64 further enhances
The stability of mounting ring 52 and 11 connection structure of front pump cover.
As shown in Figures 4 and 5, mounting ring 52 is towards entering air duct 4（See Fig. 3）Side is equipped with annular flange 521,11 court of front pump cover
The annular groove 111 coordinated with annular flange 521 is equipped with to 52 side of mounting ring, annular flange 521 is embedded in annular groove 111, adds
The strong stability connected between mounting ring 52 and front pump cover 11, and reduce gas and enter between mounting ring 52 and front pump cover 11
Gap.
Embodiment 2：A kind of straight leaf formula Middle pressure draught fan, difference from example 1 is that, as shown in fig. 6, fixing piece 6
Including the thread barrel 65 being arranged in mounting ring 52, thread barrel 65 is located at mounting ring 52 towards 4 side of air duct is entered, and enters in air duct 4
Wall is equipped with the screw thread coordinated with thread barrel 65, and detachable strainer 5 is mounted on by thread barrel 65 on front pump cover 11.Thread barrel 65
Threaded portion be wound with band, reduce gas and enter thread barrel 65 and enter in the gap between air duct 4.
Embodiment 3：A kind of straight leaf formula Middle pressure draught fan, difference from example 1 is that, as shown in fig. 7, front pump cover 11
The annular groove 66 agreed with mounting ring 52 is equipped at center, mounting ring 52 is embedded in annular groove 66, and fixing piece 6 includes setting
Several hasp locks 67 between front pump cover 11 and mounting ring 52, several hasp locks 67 are circumferential on front pump cover 11 to be laid
It sets, hasp lock 67 is for front pump cover 11 to be fixedly connected with mounting ring 52.
The above embodiments are only the explanation to the utility model, are not limitations of the present invention, ability
Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but
As long as all being protected by Patent Law in the right of the utility model.
Claims (10)
1. a kind of straight leaf formula Middle pressure draught fan, includes the casing of detachable（1）, straight leaf formula impeller（2）, motor（3）, casing（1）Packet
Include front pump cover（11）, the pump housing（12）, rear pump cover（13）, front pump cover（11）And rear pump cover（13）Pass through bolt and the pump housing respectively（12）
It is fixedly connected, motor（3）It is fixed on rear pump cover（13）On, straight leaf formula impeller（2）It is set in motor（3）On output shaft, the preceding pump housing
（12）With the rear pump housing（12）Between have integrally formed air outlet（7）, front pump cover（11）It is equipped with into air duct at center（4）, special
Sign is：It is described enter air duct（4）Towards the pump housing（12）Side is equipped with detachable strainer（5）.
2. a kind of straight leaf formula Middle pressure draught fan according to claim 1, it is characterised in that：The detachable strainer（5）Packet
Include circular grid wire side（51）, grid wire side（51）Along its outer circumferential edge mounting ring is enclosed along being equipped with one（52）, mounting ring（52）With it is preceding
Pump cover（11）Between be equipped with fixing piece（6）.
3. a kind of straight leaf formula Middle pressure draught fan according to claim 2, it is characterised in that：The fixing piece（6）Including circumferential direction
It is uniformly arranged in mounting ring（52）On several mounting holes（61）, front pump cover（11）Upper corresponding mounting hole（61）Position be equipped with spiral shell
Pit（62）, threaded hole（62）It is interior to be equipped with installation bolt（63）.
4. a kind of straight leaf formula Middle pressure draught fan according to claim 3, it is characterised in that：The installation bolt（63）With installation
Ring（52）Between be equipped with ring washer（64）.
5. a kind of straight leaf formula Middle pressure draught fan according to claim 4, it is characterised in that：The installation bolt（63）Tail end is set
There is dovetail handle（631）.
6. a kind of straight leaf formula Middle pressure draught fan according to claim 5, it is characterised in that：The mounting ring（52）Towards inlet air
Cylinder（4）Side is equipped with annular flange（521）, front pump cover（11）Towards mounting ring（52）Side is equipped with and annular flange（521）Match
The annular groove of conjunction（111）.
7. a kind of straight leaf formula Middle pressure draught fan according to claim 2, it is characterised in that：The fixing piece（6）Including setting
In mounting ring（52）On thread barrel（65）, thread barrel（65）Positioned at mounting ring（52）Direction enters air duct（4）Side enters air duct
（4）Inner wall is equipped with and thread barrel（65）The screw thread of cooperation.
8. a kind of straight leaf formula Middle pressure draught fan according to claim 7, it is characterised in that：The thread barrel（65）Threaded portion
Divide and is wound with band.
9. a kind of straight leaf formula Middle pressure draught fan according to claim 2, it is characterised in that：The front pump cover（11）Medial center
Place is equipped with and mounting ring（52）The annular groove agreed with（66）, fixing piece（6）Including being arranged in front pump cover（11）With mounting ring
（52）Between several hasp locks（67）, several hasp locks（67）In front pump cover（11）Upper circumferential direction is uniformly arranged.
10. a kind of straight leaf formula Middle pressure draught fan according to claim 2, it is characterised in that：The grid wire side（51）Using
Stainless steel is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721773764.XU CN207879651U (en) | 2017-12-18 | 2017-12-18 | A kind of straight leaf formula Middle pressure draught fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721773764.XU CN207879651U (en) | 2017-12-18 | 2017-12-18 | A kind of straight leaf formula Middle pressure draught fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207879651U true CN207879651U (en) | 2018-09-18 |
Family
ID=63502480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721773764.XU Expired - Fee Related CN207879651U (en) | 2017-12-18 | 2017-12-18 | A kind of straight leaf formula Middle pressure draught fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207879651U (en) |
-
2017
- 2017-12-18 CN CN201721773764.XU patent/CN207879651U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180918 Termination date: 20181218 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |