CN210799504U - Assembled centrifugal fan volute structure - Google Patents
Assembled centrifugal fan volute structure Download PDFInfo
- Publication number
- CN210799504U CN210799504U CN201921954773.8U CN201921954773U CN210799504U CN 210799504 U CN210799504 U CN 210799504U CN 201921954773 U CN201921954773 U CN 201921954773U CN 210799504 U CN210799504 U CN 210799504U
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- Prior art keywords
- spiral
- bounding wall
- centrifugal fan
- plate
- mounting
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- Expired - Fee Related
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- 238000010276 construction Methods 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 10
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 11
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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Abstract
The utility model discloses a centrifugal fan spiral case structure of pin-connected panel, include two curb plates, spiral bounding wall and seal the board, two the curb plate is located spiral bounding wall's front and back front side position respectively, two be provided with prepositioning mechanism, two between curb plate and the spiral bounding wall through fastening mechanism fixed connection, seal the board through a plurality of second construction bolt fixed connection spiral bounding wall. The utility model has the advantages of reasonable design, need not to align the position of mounting hole and perforating hole, realization fastening installation that can be quick reduces the time of aligning the bolt hole waste, the effectual speed that accelerates the aggregate erection is favorable to the normal operation use of fan.
Description
Technical Field
The utility model relates to a fan spiral case technical field especially relates to a centrifugal fan spiral case structure of pin-connected panel.
Background
The fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy. The so-called wind turbines include ventilators, blowers and wind power generators.
Among the prior art, the used spiral case of common fan adopts holistic integral type structure mostly, the inconvenient dismouting operation of such structural style, also make things convenient for the later stage to overhaul the processing, and a small amount of fan spiral cases divide into the left side board, the spiral bounding wall, seal the board, the mode installation that four parts of right side board adopted the combination, nevertheless all through the bolt installation between each part, often need continuous adjusting position to align the bolt hole during the installation, can waste a large amount of time like this, the speed of aggregate erection has been reduced, be unfavorable for the normal use of fan.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the centrifugal fan spiral case structure of pin-connected panel that proposes, it need not to align the position of mounting hole and perforating hole, realization fastening installation that can be quick reduces the extravagant time of alignment bolt hole, the effectual speed that has accelerated the aggregate erection is favorable to the normal operation use of fan.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a centrifugal fan spiral case structure of pin-connected panel, includes two curb plates, spiral bounding wall and seals the board, two the curb plate is located spiral bounding wall's front and back front side position respectively, two be provided with prepositioning mechanism, two between curb plate and the spiral bounding wall through fastening mechanism fixed connection, seal the board through a plurality of second construction bolt fixed connection spiral bounding wall, the inside of sealing the board is provided with the baffle.
Preferably, the closure plate and the baffle are of unitary construction.
Preferably, the pre-positioning mechanism comprises two pre-positioning groove blocks symmetrically arranged on the inner side of the side plate and fixedly connected with the side plate, and two pre-positioning blocks matched with the pre-positioning groove blocks are arranged on the inner side of the spiral enclosing plate and fixedly connected with the pre-positioning groove blocks.
Preferably, the groove shapes of the pre-positioning block and the pre-positioning groove block are both T-shaped structures.
Preferably, the fastening mechanism includes a plurality of mounting holes provided on the side plate, a plurality of through holes are provided on the spiral enclosing plate, the positions of the mounting holes and the through holes correspond to each other, a first mounting bolt is provided inside the mounting holes and the through holes together, and a locking nut is connected to the first mounting bolt through a thread.
Preferably, the first mounting bolt and the second mounting bolt are both made of stainless steel.
The utility model discloses possess following beneficial effect:
1. through the arrangement of the pre-positioning mechanism, the pre-positioning effect on the side plate can be achieved by the matching of the pre-positioning block and the pre-positioning groove block, so that the fastening installation can be quickly realized without aligning the positions of the installation holes and the through holes, and the speed of combined installation is increased;
2. through the setting of fastening device, pass mounting hole and perforating hole and utilize lock nut's cooperation through first construction bolt, can reach the purpose of aggregate erection to curb plate and spiral bounding wall.
Drawings
Fig. 1 is a schematic structural diagram of a volute structure of an assembled centrifugal fan provided by the present invention;
FIG. 2 is the utility model provides a spiral bounding wall of pin-connected panel centrifugal fan spiral case structure and the schematic diagram of sealing plate
Fig. 3 is a schematic side plate diagram of the assembled centrifugal fan volute structure provided by the utility model.
In the figure: the sealing plate comprises a side plate 1, a first mounting bolt 2, a mounting hole 3, a locking nut 4, a pre-positioning groove block 5, a through hole 6, a spiral coaming 7, a second mounting bolt 8, a baffle 9, a pre-positioning block 10 and a sealing plate 11.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-3, a centrifugal fan spiral case structure of pin-connected panel, including two curb plates 1, spiral bounding wall 7 and sealing plate 11, two curb plates 1 are located the front and back front side position of spiral bounding wall 7 respectively, are provided with pre-positioning mechanism between two curb plates 1 and the spiral bounding wall 7, through fastening device fixed connection between two curb plates 1 and the spiral bounding wall 7, sealing plate 11 is through 8 fixed connection spiral bounding walls 7 of a plurality of second construction bolts, sealing plate 11's inside is provided with baffle 9, has played spacing effect.
Specifically, the first mounting bolt 2 and the second mounting bolt 8 are made of stainless steel materials, so that the volute has good corrosion resistance and is convenient to assemble, install and use.
Specifically, the sealing plate 11 and the baffle plate 9 are of an integral structure.
Specifically, the pre-positioning mechanism comprises two pre-positioning groove blocks 5 symmetrically arranged on the inner side of the side plate 1 and fixedly connected with the pre-positioning groove blocks, two pre-positioning blocks 10 matched with the pre-positioning groove blocks 5 are arranged on the inner side of the spiral enclosing plate 7 and fixedly connected with the pre-positioning groove blocks, the groove shapes of the pre-positioning blocks 10 and the pre-positioning groove blocks 5 are both T-shaped structures, and the pre-positioning effect on the side plate 1 can be achieved by means of matching of the pre-positioning blocks 10 and the pre-positioning groove blocks 5.
Specifically, fastening device is including setting up a plurality of mounting holes 3 on curb plate 1, is provided with a plurality of perforating holes 6 on the spiral bounding wall 7, and the position of mounting hole 3 and perforating hole 6 is corresponding, and the inside of mounting hole 3 and perforating hole 6 is provided with first mounting bolt 2 jointly, and threaded connection has lock nut 4 on first mounting bolt 2, can lock fixedly curb plate 1 and spiral bounding wall 7, reaches aggregate erection's purpose.
During the installation, at first insert prepositioning inside of piece 5 with the prepositioning piece 10, can reach prepositioning effect to curb plate 1, make things convenient for the inside of the direct plug-in mounting hole 3 of first mounting bolt 2 and perforating hole 6 like this, the time that mounting hole 3 and perforating hole 6 align has been reduced, accelerate the installation rate of curb plate 1 and spiral bounding wall 7, utilize lock nut 4 and first mounting bolt 2's cooperation afterwards, the fixed purpose of locking has been reached, will seal the air outlet position of board 11 block at spiral bounding wall 6 at last, and utilize second mounting hole 8 to lock the installation.
Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a centrifugal fan spiral case structure of pin-connected panel, includes two curb plates (1), spiral bounding wall (7) and seals board (11), its characterized in that, two curb plate (1) is located the front and back front side position of spiral bounding wall (7) respectively, two be provided with prepositioning mechanism, two between curb plate (1) and spiral bounding wall (7) through fastening mechanism fixed connection between curb plate (1) and spiral bounding wall (7), seal board (11) through a plurality of second construction bolt (8) fixed connection spiral bounding wall (7), the inside of sealing board (11) is provided with baffle (9).
2. The spiral case structure of assembled centrifugal fan according to claim 1, wherein the sealing plate (11) and the baffle (9) are an integral structure.
3. The spiral case structure of assembled centrifugal fan according to claim 1, wherein the pre-positioning mechanism comprises two pre-positioning blocks (5) symmetrically disposed on the inner side of the side plate (1) and fixedly connected to each other, and two pre-positioning blocks (10) matched with the pre-positioning blocks (5) are disposed on the inner side of the spiral enclosing plate (7) and fixedly connected to each other.
4. The spiral case structure of the assembled centrifugal fan according to claim 3, wherein the groove shapes of the pre-positioning blocks (10) and the pre-positioning block (5) are both T-shaped structures.
5. The assembled centrifugal fan volute structure according to claim 1, wherein the fastening mechanism comprises a plurality of mounting holes (3) formed in the side plate (1), a plurality of through holes (6) are formed in the spiral surrounding plate (7), the positions of the mounting holes (3) and the positions of the through holes (6) correspond to each other, a first mounting bolt (2) is jointly arranged inside each mounting hole (3) and each through hole (6), and a locking nut (4) is connected to each first mounting bolt (2) in a threaded manner.
6. The volute structure of assembled centrifugal fan as claimed in claim 5, wherein the first and second mounting bolts (2, 8) are made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921954773.8U CN210799504U (en) | 2019-11-13 | 2019-11-13 | Assembled centrifugal fan volute structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921954773.8U CN210799504U (en) | 2019-11-13 | 2019-11-13 | Assembled centrifugal fan volute structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210799504U true CN210799504U (en) | 2020-06-19 |
Family
ID=71245125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921954773.8U Expired - Fee Related CN210799504U (en) | 2019-11-13 | 2019-11-13 | Assembled centrifugal fan volute structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210799504U (en) |
-
2019
- 2019-11-13 CN CN201921954773.8U patent/CN210799504U/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: 20200619 |