CN202579332U - Air outlet of centrifugal fan - Google Patents
Air outlet of centrifugal fan Download PDFInfo
- Publication number
- CN202579332U CN202579332U CN 201220215149 CN201220215149U CN202579332U CN 202579332 U CN202579332 U CN 202579332U CN 201220215149 CN201220215149 CN 201220215149 CN 201220215149 U CN201220215149 U CN 201220215149U CN 202579332 U CN202579332 U CN 202579332U
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- transverse slat
- riser
- mounting hole
- mounting holes
- horizontal plate
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Abstract
The utility model provides an air outlet of a centrifugal fan and belongs to the technical field of machinery. The air outlet of the centrifugal fan solves the problem that installing precision of air outlet of existing centrifugal fans is not high. The air outlet of the centrifugal fan comprises two vertical plates and horizontal plates, wherein the horizontal plates comprise a first horizontal plate and a second horizontal plate which are parallel to each other. The first horizontal plate is provided with a plurality of first mounting holes evenly distributed along the length direction of the first horizontal plate, the second horizontal plate is provided with a plurality of second mounting holes evenly distributed along the length direction of the second horizontal plate, and the vertical plates are provided with a plurality of third mounting holes evenly distributed along the length directions of the vertical plates. Positioning structures are arranged between the first horizontal plate and the vertical plates, positioning structures are also arranged between the second horizontal plate and the vertical plates, the third mounting holes positioned at the positions of the upper ends of the vertical plates are located on connecting lines of the first mounting holes under the effect of the positioning structures, and the third mounting holes positioned at the positions of the lower ends of the vertical plates are located on connecting lines of the second mounting holes. The air outlet of the centrifugal fan has the advantages of being convenient to install and high in mounting precision and the like.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of exhaust outlet of centrifugal blower.
Background technique
Centrifugal blower is a kind of machinery that is used for conveying gas; Existing centrifugal blower; Generally include motor, impeller, spiral case, intake grill and exhaust outlet, impeller is installed in the spiral case, and impeller one side is provided with intake grill on the spiral case; Spiral case top sets out the air port, and exhaust outlet is rigidly connected through flange or rigid conduit and its corollary equipment.Exhaust outlet is connected with other corollary equipments through flange, generally adopts a plurality of bolt, to having relatively high expectations of installing and locating.
The traditional centrifugal fan outlet is processed into like this: punching press mounting hole on angle steel, this mounting hole is corresponding with the mounting hole on the corollary equipment, then with four this angle steel welding with mounting hole.Because the yielding capacity of centrifugal blower exhaust outlet is big, when angle steel is welded, is easy to generate error, installation precision reduces.Therefore, change the exhaust outlet linkage structure of centrifugal blower, design convenient the installation and the high air outlet structure of installation precision, will help the application of centrifugal blower, improve the quality of its corollary equipment.
Summary of the invention
The purpose of the utility model is to have the problems referred to above to existing technology, has proposed a kind of exhaust outlet of easy for installation and a kind of centrifugal blower that installation precision is high.
The purpose of the utility model can realize through following technical proposal:
The exhaust outlet of this centrifugal blower comprises two risers that laterally arrange and is located at the transverse slat between two risers that described transverse slat comprises the transverse slat one and the transverse slat two that is used to be connected two riser underparts that is used to connect two riser upper end portions; Described transverse slat one laterally arranges with transverse slat two; On described transverse slat one, be provided with some mounting holes one, described mounting hole one evenly distributes along the length direction of transverse slat one, on described transverse slat two, is provided with some mounting holes two; Described mounting hole two evenly distributes along the length direction of transverse slat two; On described riser, be provided with some mounting holes three, described mounting hole three evenly distributes along the length direction of riser, it is characterized in that; Be provided with position structure between described transverse slat one and the riser; Also be provided with position structure between described transverse slat two and the riser, be positioned on the line of above-mentioned mounting hole one at the mounting hole three of said riser upper end under the effect of this position structure, the mounting hole three of said riser lower end is positioned on the line of above-mentioned mounting hole two.
During installation; Through position structure transverse slat and riser are positioned; The mounting hole three that guarantees the riser upper end is positioned on the line of mounting hole one, guarantees that the mounting hole three of riser lower end is positioned on the line of mounting hole two, and then transverse slat and riser are welded; Welding is difficult for dislocation like this, improves welding precision; And effectively improved the appearance quality of product, simple in structure, cost is low.
In the exhaust outlet of above-mentioned centrifugal blower, described position structure comprises the raised line of being located at place, transverse slat end and is located at the groove that matches with this raised line on the riser that when described transverse slat was connected with riser, above-mentioned raised line was arranged in described groove.
As another kind of situation; In the exhaust outlet of above-mentioned centrifugal blower; Described position structure comprises the raised line of being located on the riser and is located at the groove that place, transverse slat end matches with this raised line that when described transverse slat was connected with riser, above-mentioned raised line was arranged in described groove.
In the exhaust outlet of above-mentioned centrifugal blower, described groove is a dovetail groove.
In the exhaust outlet of above-mentioned centrifugal blower, described transverse slat is vertical with riser to be provided with.
Compared with prior art, the exhaust outlet of this centrifugal blower has the following advantages:
The mounting hole three of riser upper end portion is positioned on the line of mounting hole one; The mounting hole three of riser lower end is positioned on the line of mounting hole two, and welding is difficult for dislocation like this, improves welding precision; And effectively improved the appearance quality of product, simple in structure, cost is low.
Description of drawings
Fig. 1 is the structural representation of the exhaust outlet of this centrifugal blower.
Among the figure, 1, riser; 11, mounting hole three; 2, transverse slat one; 21, mounting hole one; 3, transverse slat two; 31, mounting hole two; 41, raised line; 42, groove.
Embodiment
Below be the specific embodiment of the utility model and combine accompanying drawing, the technological scheme of the utility model is done further to describe, but the utility model is not limited to these embodiments.
Embodiment one
As shown in Figure 1, the exhaust outlet of this centrifugal blower comprises two risers 1 that laterally arrange and is located at the transverse slat between two risers 1 that transverse slat comprises the transverse slat 1 and the transverse slat 23 that is used to be connected two risers, 1 underpart that is used to connect two risers, 1 upper end portion.Transverse slat 1 laterally arranges with transverse slat 23, on transverse slat 1, is provided with some mounting holes 1, and mounting hole 1 evenly distributes along the length direction of transverse slat 1; On transverse slat 23, be provided with some mounting holes 2 31, mounting hole 2 31 evenly distributes along the length direction of transverse slat 23; On riser 1, be provided with some mounting holes 3 11, mounting hole 3 11 evenly distributes along the length direction of riser 1.
As shown in Figure 1; Between transverse slat 1 and riser 1, be provided with position structure; Also be provided with position structure between transverse slat 23 and the riser 1; Mounting hole 3 11 in riser 1 upper end under the effect of this position structure is positioned on the line of mounting hole 1, and the mounting hole 3 11 of riser 1 lower end is positioned on the line of mounting hole 2 31.Concrete, as shown in Figure 1, this position structure comprises the raised line 41 of being located at place, transverse slat end and is located at the groove 42 that matches with this raised line 41 on the riser 1 that when transverse slat was connected with riser 1, raised line 41 was arranged in described groove 42.
More specifically, as shown in Figure 1, the groove 42 in the present embodiment is a dovetail groove, and transverse slat and riser 1 vertical setting.
During installation; Through position structure transverse slat and riser 1 are positioned; The mounting hole 3 11 that guarantees riser 1 upper end is positioned on the line of mounting hole 1, guarantees that the mounting hole 3 11 of riser 1 lower end is positioned on the line of mounting hole 2 31, and then transverse slat and riser 1 are welded; Welding is difficult for dislocation like this, improves welding precision; And effectively improved the appearance quality of product, simple in structure, cost is low.
Embodiment two
The structural principle of present embodiment is basic identical with embodiment one structural principle; Different places are: this position structure comprises the raised line of being located on the riser 1 41 and is located at the groove 42 that place, transverse slat end matches with this raised line 41; When transverse slat was connected with riser 1, raised line 41 was arranged in groove 42.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from the spirit of the utility model or surmount the defined scope of appended claims.
Although this paper has used terms such as riser 1, mounting hole 3 11, transverse slat 1, mounting hole 1, transverse slat 23, mounting hole 2 31, raised line 41, groove 42 morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain the essence of the utility model more easily; It all is contrary with the utility model spirit being construed to any additional restriction to them.
Claims (5)
1. the exhaust outlet of a centrifugal blower; Comprise two risers (1) that laterally arrange and be located at the transverse slat between two risers (1); Described transverse slat comprises the transverse slat one (2) and the transverse slat two (3) that is used to be connected two risers (1) underpart that is used to connect two risers (1) upper end portion, and described transverse slat one (2) and transverse slat two (3) laterally arrange, and on described transverse slat one (2), is provided with some mounting holes one (21); Described mounting hole one (21) evenly distributes along the length direction of transverse slat one (2); On described transverse slat two (3), be provided with some mounting holes two (31), described mounting hole two (31) evenly distributes along the length direction of transverse slat two (3), on described riser (1), is provided with some mounting holes three (11); Described mounting hole three (11) evenly distributes along the length direction of riser (1); It is characterized in that, be provided with position structure between described transverse slat one (2) and the riser (1), also be provided with position structure between described transverse slat two (3) and the riser (1); Mounting hole three (11) in said riser (1) upper end under the effect of this position structure is positioned on the line of above-mentioned mounting hole one (21), and the mounting hole three (11) of said riser (1) lower end is positioned on the line of above-mentioned mounting hole two (31).
2. the exhaust outlet of a kind of centrifugal blower according to claim 1; It is characterized in that; Described position structure comprises the raised line (41) of being located at place, transverse slat end and is located at riser (1) and goes up the groove (42) that matches with this raised line (41); Described transverse slat and riser (1) are when being connected, and above-mentioned raised line (41) is arranged in described groove (42).
3. the exhaust outlet of a kind of centrifugal blower according to claim 1; It is characterized in that; Described position structure comprises the raised line of being located on the riser (1) (41) and is located at the groove (42) that place, transverse slat end matches with this raised line (41); Described transverse slat and riser (1) are when being connected, and above-mentioned raised line (41) is arranged in described groove (42).
4. according to the exhaust outlet of claim 2 or 3 described a kind of centrifugal blowers, it is characterized in that described groove (42) is a dovetail groove.
5. according to the exhaust outlet of claim 1 or 2 or 3 described a kind of centrifugal blowers, it is characterized in that described transverse slat and the vertical setting of riser (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220215149 CN202579332U (en) | 2012-04-27 | 2012-04-27 | Air outlet of centrifugal fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220215149 CN202579332U (en) | 2012-04-27 | 2012-04-27 | Air outlet of centrifugal fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202579332U true CN202579332U (en) | 2012-12-05 |
Family
ID=47248748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220215149 Expired - Fee Related CN202579332U (en) | 2012-04-27 | 2012-04-27 | Air outlet of centrifugal fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202579332U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105822594A (en) * | 2016-05-09 | 2016-08-03 | 付淑珍 | Ventilator with multifunctional air inlet connector |
-
2012
- 2012-04-27 CN CN 201220215149 patent/CN202579332U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105822594A (en) * | 2016-05-09 | 2016-08-03 | 付淑珍 | Ventilator with multifunctional air inlet connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20170427 |