CN210769538U - Centrifugal fan convenient to connecting tube - Google Patents
Centrifugal fan convenient to connecting tube Download PDFInfo
- Publication number
- CN210769538U CN210769538U CN201921471213.7U CN201921471213U CN210769538U CN 210769538 U CN210769538 U CN 210769538U CN 201921471213 U CN201921471213 U CN 201921471213U CN 210769538 U CN210769538 U CN 210769538U
- Authority
- CN
- China
- Prior art keywords
- centrifugal fan
- pipe
- fixed
- ring plate
- connecting pipe
- 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
Links
- 238000001816 cooling Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model belongs to the technical field of the centrifugal fan technique and specifically relates to a centrifugal fan convenient to connecting tube says, including the centrifugal fan main part, centrifugal fan main part exit is connected with out the tuber pipe, it is fixed with the crown plate to go out tuber pipe top, the crown plate top is fixed with the crown plate, it is fixed with the rubber pad to go up the crown plate internal fixation, it has placed the connecting pipe to go out the tuber pipe top, and the connecting pipe inserts and establish in last crown plate, go up the crown plate both sides and go out between the tuber pipe and be connected through stop gear, stop gear includes sleeve pipe and spacing hole, spacing hole is seted up at the connecting pipe lateral wall, the sleeve pipe is inlayed at last crown plate lateral wall, the sleeve pipe interpolation is equipped with the inserted bar, inserted bar one end is passed crown plate and spacing hole and. This centrifugal fan convenient to connecting tube connects it through inserting the connecting pipe and establishing in last ring plate, can let the connecting pipe insert through the rubber pad and establish more stable in last ring plate.
Description
Technical Field
The utility model relates to a centrifugal fan technical field especially relates to a centrifugal fan convenient to connecting tube.
Background
The centrifugal fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy. Centrifugal fans are widely used in ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilation and draught of boilers and industrial furnaces; cooling and ventilation in air conditioning equipment and household appliances. The air outlet pipe of the existing centrifugal fan is not convenient to be connected with the connecting pipe, and therefore the centrifugal fan convenient for connecting the pipeline is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a centrifugal fan convenient for connecting pipelines.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a centrifugal fan convenient for connecting a pipeline is designed, which comprises a centrifugal fan main body, an outlet pipe is connected at the outlet of the centrifugal fan main body, a ring plate is fixed above the air outlet pipe, an upper ring plate is fixed above the ring plate, a rubber pad is fixed in the upper ring plate, a connecting pipe is arranged above the air outlet pipe, the connecting pipe is inserted in the upper ring plate, the two sides of the upper ring plate are connected with the air outlet pipe through a limiting mechanism, the limiting mechanism comprises a sleeve and a limiting hole, the limiting hole is formed in the side wall of the connecting pipe, the sleeve is embedded in the side wall of the upper ring plate, an inserted bar is inserted in the sleeve, one end of the inserted bar passes through the upper ring plate and the limiting hole and extends outwards, the other end of the inserted bar penetrates through the sleeve and is fixed with a pull rod, a spring is sleeved on the inserted bar, one end of the spring is fixed on the inserted bar, and the other end of the spring is fixed on the side wall of the sleeve.
Preferably, an annular slot is formed in the upper surface of the air outlet pipe, an annular inserting plate is fixed at the bottom of the connecting pipe, and the annular inserting plate is inserted into the annular slot.
Preferably, the sliding grooves are formed in two side walls of the inner portion of the upper ring plate, sliding plates are fixed to two sides of the bottom of the connecting pipe, and the sliding plates are arranged in the sliding grooves in a sliding mode.
Preferably, pull handles are fixed on two sides below the connecting pipe.
Preferably, the pull rod is provided with anti-skid grains.
The utility model provides a pair of centrifugal fan convenient to connecting tube, beneficial effect lies in: this centrifugal fan convenient to connecting tube connects it through inserting the connecting pipe and establishing at last ring plate, can let the connecting pipe insert through the rubber pad and establish more stable at last ring plate, insert through annular picture peg and establish in annular slot, can let the connecting pipe with go out the union coupling more stable, can carry out spacingly to the connecting pipe through stop gear to this comes to connect the connecting pipe.
Drawings
Fig. 1 is a schematic view of a structure of a centrifugal fan convenient for connecting pipes according to the present invention.
Fig. 2 is a schematic view of a top view structure of a centrifugal fan convenient for connecting pipes according to the present invention.
Fig. 3 is the utility model provides a stop gear structure sketch map of centrifugal fan convenient to connecting tube.
Fig. 4 is an enlarged schematic view of a structure of a portion a of the centrifugal fan convenient for connecting the pipeline according to the present invention.
In the figure: the centrifugal fan comprises a centrifugal fan body 1, an air outlet pipe 2, a connecting pipe 3, an annular plate 4, an annular inserting plate 5, an annular inserting groove 6, an upper annular plate 7, a rubber pad 8, a limiting mechanism 9, a sleeve 91, a limiting hole 92, an inserting rod 93, a spring 94, a pull rod 95, a pull handle 10, a sliding groove 11 and a sliding plate 12.
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.
Example 1
Referring to fig. 1-4, a centrifugal fan convenient for connecting pipelines comprises a centrifugal fan body 1, an outlet pipe 2 is connected at an outlet of the centrifugal fan body 1, a ring plate 4 is fixed above the outlet pipe 2, an upper ring plate 7 is fixed above the ring plate 4, a rubber pad 8 is fixed in the upper ring plate 7, a connecting pipe 3 is placed above the outlet pipe 2, the connecting pipe 3 is inserted in the upper ring plate 7, pull handles 10 are fixed at two sides below the connecting pipe 3, the connecting pipe 3 can be conveniently pulled out from the upper ring plate 7 by the pull handles 10, two sides of the upper ring plate 7 are connected with the outlet pipe 2 through a limiting mechanism 9, the limiting mechanism 9 comprises a sleeve 91 and a limiting hole 92, the limiting hole 92 is arranged on a side wall of the connecting pipe 3, the sleeve 91 is embedded in a side wall of the upper ring plate 7, an inserting rod 93 is inserted in the sleeve 91, one end of the inserting rod 93 passes through the upper ring plate, the other end of inserted bar 93 passes sleeve pipe 91 and is fixed with pull rod 95, the last anti-skidding line of having seted up of pull rod 95, anti-skidding line can be convenient for pull rod 95 and stimulate, the cover is equipped with spring 94 on the inserted bar 93, spring 94 one end is fixed on inserted bar 93, the other end of spring 94 is fixed at the sleeve pipe 91 lateral wall, establish at last crown plate 7 through inserting connecting pipe 3 and connect it, can let connecting pipe 3 insert establish more stable in last crown plate 7 through rubber pad 8, it is spacing to connecting pipe 3 in spacing hole 92 through inserting inserted bar 93.
Example 2
Referring to fig. 1-2, as another preferred embodiment of the present invention, the difference from embodiment 1 lies in that an annular slot 6 has been seted up to the upper surface of the air-out pipe 2, connecting pipe 3 bottom is fixed with annular picture peg 5, and annular picture peg 5 inserts and establishes in annular slot 6, spout 11 has all been seted up to the inside both sides wall of upper ring plate 7, connecting pipe 3 bottom both sides all are fixed with slide 12, and slide 12 slides and sets up in spout 11, insert through annular picture peg 5 and establish in annular slot 6, can let connecting pipe 3 and air-out pipe 2 be connected more stable, slide through slide 12 and set up in spout 11, can let connecting pipe 3 and upper ring plate 7 be connected more stable.
The 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 utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The centrifugal fan convenient for connecting pipelines comprises a centrifugal fan main body (1), wherein an outlet of the centrifugal fan main body (1) is connected with an air outlet pipe (2), and is characterized in that a ring plate (4) is fixed above the air outlet pipe (2), an upper ring plate (7) is fixed above the ring plate (4), a rubber pad (8) is fixed in the upper ring plate (7), a connecting pipe (3) is placed above the air outlet pipe (2), the connecting pipe (3) is inserted in the upper ring plate (7), two sides of the upper ring plate (7) are connected with the air outlet pipe (2) through a limiting mechanism (9), the limiting mechanism (9) comprises a sleeve (91) and a limiting hole (92), the limiting hole (92) is formed in the side wall of the connecting pipe (3), the sleeve (91) is embedded in the side wall of the upper ring plate (7), an inserting rod (93) is inserted in the sleeve (91), inserted bar (93) one end is passed and is gone up crown plate (7) and spacing hole (92) and outside extension, the sleeve pipe (91) and be fixed with pull rod (95) are passed to the inserted bar (93) other end, the cover is equipped with spring (94) on inserted bar (93), spring (94) one end is fixed on inserted bar (93), the other end of spring (94) is fixed at sleeve pipe (91) lateral wall.
2. The centrifugal fan convenient for connecting pipelines is characterized in that an annular slot (6) is formed in the upper surface of the air outlet pipe (2), an annular inserting plate (5) is fixed at the bottom of the connecting pipe (3), and the annular inserting plate (5) is inserted into the annular slot (6).
3. The centrifugal fan convenient for connecting the pipeline according to claim 1, wherein sliding grooves (11) are formed in two side walls inside the upper ring plate (7), sliding plates (12) are fixed on two sides of the bottom of the connecting pipe (3), and the sliding plates (12) are slidably arranged in the sliding grooves (11).
4. The centrifugal fan convenient for connecting the pipeline is characterized in that pull handles (10) are fixed on two sides below the connecting pipe (3).
5. The centrifugal fan convenient for connecting the pipeline as claimed in claim 1, wherein the pull rod (95) is provided with anti-skid grains.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921471213.7U CN210769538U (en) | 2019-09-05 | 2019-09-05 | Centrifugal fan convenient to connecting tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921471213.7U CN210769538U (en) | 2019-09-05 | 2019-09-05 | Centrifugal fan convenient to connecting tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210769538U true CN210769538U (en) | 2020-06-16 |
Family
ID=71035715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921471213.7U Expired - Fee Related CN210769538U (en) | 2019-09-05 | 2019-09-05 | Centrifugal fan convenient to connecting tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210769538U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113250998A (en) * | 2021-06-21 | 2021-08-13 | 张海霞 | Centrifugal fan |
-
2019
- 2019-09-05 CN CN201921471213.7U patent/CN210769538U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113250998A (en) * | 2021-06-21 | 2021-08-13 | 张海霞 | Centrifugal fan |
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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: 20200616 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |