CN213839021U - Polypropylene centrifugal fan - Google Patents
Polypropylene centrifugal fan Download PDFInfo
- Publication number
- CN213839021U CN213839021U CN202022288735.2U CN202022288735U CN213839021U CN 213839021 U CN213839021 U CN 213839021U CN 202022288735 U CN202022288735 U CN 202022288735U CN 213839021 U CN213839021 U CN 213839021U
- Authority
- CN
- China
- Prior art keywords
- air outlet
- conical
- outlet interface
- conical air
- face
- 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.)
- Active
Links
- -1 Polypropylene Polymers 0.000 title claims abstract description 32
- 239000004743 Polypropylene Substances 0.000 title claims abstract description 32
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 32
- 238000007789 sealing Methods 0.000 claims abstract description 47
- 230000037431 insertion Effects 0.000 claims 2
- 238000003780 insertion Methods 0.000 claims 2
- 238000009434 installation Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a polypropylene centrifugal fan, which comprises a first conical air outlet interface provided with an inner conical thread and a second conical air outlet interface provided with an outer conical thread, wherein the first conical air outlet interface is connected with a polypropylene turbine fan body, and the second conical air outlet interface is connected with an external pipeline; the outer conical thread of the second conical air outlet interface is inserted into the first conical air outlet interface and is in threaded connection with the inner conical thread; the second conical air outlet interface and the first conical air outlet interface are arranged oppositely, and the sectional areas of the second conical air outlet interface and the first conical air outlet interface are gradually reduced towards the corresponding outer side direction; the first conical air outlet interface is provided with a first sealing step end face, the second conical air outlet interface is provided with a second sealing step end face, and the first sealing step end face and the second sealing step end face are in sealing contact through threaded connection between the outer conical threads and the inner conical threads; the utility model discloses a specific seal structure design avoids taking place the incident because of gas leakage.
Description
Technical Field
The utility model belongs to the chemical industry anticorrosive equipment field, concretely relates to polypropylene centrifugal fan.
Background
Because the polypropylene material has excellent corrosion resistance, the container obtained by processing and manufacturing the polypropylene material is widely applied to various chemical anticorrosion fields.
Particularly, the polypropylene centrifugal fan is used as a high-pressure corrosion-resistant fan and mainly used for high-pressure conveying of strong corrosive gas. However, the applicant finds that, because the joint of the external pipeline of the outlet of the high-pressure polypropylene centrifugal fan needs to bear a larger pressure value, in practical application, the air outlet joint of the polypropylene centrifugal fan has a larger air leakage risk due to the limitation of the strength of the polypropylene material, thereby causing a safety accident.
The applicant therefore wishes to seek technical solutions that improve on the above technical problem.
Disclosure of Invention
In view of this, the utility model aims at providing a polypropylene centrifugal fan, through specific seal structure design, avoid taking place the incident because of leaking gas.
The utility model adopts the technical scheme as follows:
a polypropylene centrifugal fan comprises a polypropylene turbine fan body with an air outlet port, wherein the air outlet port is provided with a sealing structure, the sealing structure comprises a first conical air outlet port with inner conical threads and a second conical air outlet port with outer conical threads, wherein,
the first conical air outlet interface is connected with the polypropylene turbine fan body, and the second conical air outlet interface is connected with an external pipeline;
the outer conical thread of the second conical air outlet interface is inserted into the first conical air outlet interface and is in threaded connection with the inner conical thread;
the second conical air outlet interface and the first conical air outlet interface are arranged oppositely, and the sectional areas of the second conical air outlet interface and the first conical air outlet interface are gradually reduced towards the corresponding outer side direction; and meanwhile, the first conical air outlet interface is provided with a first sealing step end face positioned at the periphery of the inner conical thread, the second conical air outlet interface is provided with a second sealing step end face positioned at the periphery of the outer conical thread, and the first sealing step end face and the second sealing step end face are in sealing contact through threaded connection between the outer conical thread and the inner conical thread.
Preferably, the first sealing step end face and the second sealing step end face are both in a circular shape, and are fastened, installed and connected through a fastener.
Preferably, be equipped with a plurality of locking holes that are the interval equipartition on the first sealed step terminal surface, be equipped with a plurality of waist shape holes that are the interval equipartition on the sealed step terminal surface of second, do benefit to with the quick correspondence cooperation in locking hole.
Preferably, the arc of the waist-shaped hole is 10-30 degrees.
Preferably, the fastening piece adopts a fastening bolt, and an elastic gasket is arranged between the fastening bolt and the corresponding waist-shaped hole.
Preferably, the outer periphery of the end of the outer conical thread is provided with an embedded groove, and an O-shaped sealing ring is embedded in the embedded groove.
The utility model discloses a setting is first tapered air-out interface and second tapered air-out interface that tapered screw thread erection joint, further carry out sealing contact through first sealed step terminal surface and the sealed step terminal surface of second between first tapered air-out interface and the second tapered air-out interface simultaneously, not only sealed fastening installation is effectual, has excellent installation intensity moreover, can avoid polypropylene centrifugal fan's air outlet to have the risk of leaking gas steadily and reliably, stops to take place the incident.
Drawings
FIG. 1 is a schematic structural view of a polypropylene centrifugal fan according to an embodiment of the present invention;
FIG. 2 is an exploded view of FIG. 1;
fig. 3 is an enlarged view of a structure a in fig. 1.
Detailed Description
The embodiment of the utility model discloses a polypropylene centrifugal fan, which comprises a polypropylene turbine fan body with an air outlet interface, wherein the air outlet interface is provided with a sealing structure, the sealing structure comprises a first conical air outlet interface provided with an inner conical thread and a second conical air outlet interface provided with an outer conical thread, the first conical air outlet interface is connected with the polypropylene turbine fan body, and the second conical air outlet interface is connected with an external pipeline; the outer conical thread of the second conical air outlet interface is inserted into the first conical air outlet interface and is in threaded connection with the inner conical thread; the second conical air outlet interface and the first conical air outlet interface are arranged oppositely, and the sectional areas of the second conical air outlet interface and the first conical air outlet interface are gradually reduced towards the corresponding outer side direction; meanwhile, the first conical air outlet interface is provided with a first sealing step end face located at the periphery of the inner conical thread, the second conical air outlet interface is provided with a second sealing step end face located at the periphery of the outer conical thread, and the first sealing step end face and the second sealing step end face are in sealing contact through threaded connection between the outer conical thread and the inner conical thread.
In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below 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, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
Referring to fig. 1 and fig. 2, a polypropylene centrifugal fan 1 comprises a polypropylene turbo fan body 10 having an air outlet, the air outlet is provided with a sealing structure, the sealing structure comprises a first conical air outlet 20 provided with an inner conical thread 21 and a second conical air outlet 30 provided with an outer conical thread 31, wherein,
the first conical air outlet port 20 is integrally connected with the polypropylene turbofan body 10, and the second conical air outlet port 30 is connected with an external pipeline (not shown); the outer tapered thread 31 of the second tapered air outlet 30 is inserted into the first tapered air outlet 20 to be in threaded connection with the inner tapered thread 21, preferably, in the present embodiment, an embedded groove (not shown) is arranged on the outer periphery of the end of the outer tapered thread 31, and an O-ring 33 is embedded in the embedded groove, which further facilitates the sealing and installation effect;
in this embodiment, the second conical air outlet 30 is arranged opposite to the first conical air outlet 20, and the sectional areas of the second conical air outlet 30 and the first conical air outlet 20 gradually decrease toward the corresponding outer sides; meanwhile, the first conical air outlet port 20 is provided with a first sealing step end face 22 positioned on the periphery of the inner conical thread 21, the second conical air outlet port 30 is provided with a second sealing step end face 32 positioned on the periphery of the outer conical thread 31, and the first sealing step end face 22 and the second sealing step end face 32 are in sealing contact through threaded connection between the outer conical thread 31 and the inner conical thread 21;
preferably, in the present embodiment, the first sealing step end surface 22 and the second sealing step end surface 32 are both in a circular shape, and are fastened and installed by a fastening member;
as further shown in fig. 3, preferably, the first sealing step end surface 22 is provided with a plurality of locking holes 22a uniformly distributed at intervals, and the second sealing step end surface 32 is provided with a plurality of kidney-shaped holes 32a uniformly distributed at intervals, so as to facilitate quick corresponding matching with the locking holes 22 a; particularly preferably, the radian range of the waist-shaped hole 32a can be set to 10-30 degrees, and after the threaded mounting connection is completed, the structure of the waist-shaped hole 32a is utilized to enable the waist-shaped hole 32a to be rapidly and correspondingly matched with the locking hole 22a at any rotation angle, so that flexible and convenient fastening mounting is realized; further preferably, the fastening member is a fastening bolt 40, and an elastic gasket 41 is disposed between the fastening bolt 40 and the corresponding kidney-shaped hole 32 a.
This embodiment is through setting up first tapered air-out interface 20 and second tapered air-out interface 30 that is tapered threaded mounting connection, further carry out sealing contact through first sealed step terminal surface 22 and the sealed step terminal surface 32 of second between first tapered air-out interface 20 and the second tapered air-out interface 30 simultaneously, not only sealed fastening installation is effectual, and excellent installation intensity has moreover, can avoid the air outlet of polypropylene centrifugal fan 1 to have the risk of leaking gas steadily and reliably, stop to take place the incident.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. A polypropylene centrifugal fan comprises a polypropylene turbine fan body with an air outlet port, and is characterized in that the air outlet port is provided with a sealing structure, the sealing structure comprises a first conical air outlet port with inner conical threads and a second conical air outlet port with outer conical threads, wherein,
the first conical air outlet interface is connected with the polypropylene turbine fan body, and the second conical air outlet interface is connected with an external pipeline;
the outer conical thread of the second conical air outlet interface is inserted into the first conical air outlet interface and is in threaded connection with the inner conical thread;
the second conical air outlet interface and the first conical air outlet interface are arranged oppositely, and the sectional areas of the second conical air outlet interface and the first conical air outlet interface are gradually reduced towards the corresponding outer side direction; and meanwhile, the first conical air outlet interface is provided with a first sealing step end face positioned at the periphery of the inner conical thread, the second conical air outlet interface is provided with a second sealing step end face positioned at the periphery of the outer conical thread, and the first sealing step end face and the second sealing step end face are in sealing contact through threaded connection between the outer conical thread and the inner conical thread.
2. The polypropylene centrifugal fan of claim 1, wherein the first sealing step end face and the second sealing step end face are both circular and are fastened, installed and connected by a fastening member.
3. The polypropylene centrifugal fan according to claim 2, wherein the first sealing step end face is provided with a plurality of locking holes uniformly distributed at intervals, and the second sealing step end face is provided with a plurality of waist-shaped holes uniformly distributed at intervals, so as to facilitate rapid corresponding matching with the locking holes.
4. The polypropylene centrifugal fan of claim 3, wherein the arc of the waist-shaped apertures is 10-30 °.
5. The polypropylene centrifugal fan according to claim 3, wherein the fastening member is a fastening bolt, and an elastic gasket is arranged between the fastening bolt and the corresponding waist-shaped hole.
6. The polypropylene centrifugal fan according to claim 1, wherein an insertion groove is formed in an outer periphery of an end portion of the outer tapered thread, and an O-ring is inserted into the insertion groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022288735.2U CN213839021U (en) | 2020-10-15 | 2020-10-15 | Polypropylene centrifugal fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022288735.2U CN213839021U (en) | 2020-10-15 | 2020-10-15 | Polypropylene centrifugal fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213839021U true CN213839021U (en) | 2021-07-30 |
Family
ID=77008901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022288735.2U Active CN213839021U (en) | 2020-10-15 | 2020-10-15 | Polypropylene centrifugal fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213839021U (en) |
-
2020
- 2020-10-15 CN CN202022288735.2U patent/CN213839021U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103075587A (en) | Dual-sealing flange | |
| CN213839021U (en) | Polypropylene centrifugal fan | |
| CN210003996U (en) | quick joint | |
| CN204127515U (en) | A kind of air-conditioner of engineering machinery pipeline connects novel sealing structure | |
| CN205690629U (en) | Water pipe connector and water leading-out device of air conditioner indoor unit | |
| CN210800333U (en) | Internal flange plate convenient to lubricate | |
| CN210088210U (en) | Easy-to-dismount pipe fitting of compressed air conjuncted sealing ring | |
| CN207715736U (en) | A kind of spliced rubber seal | |
| CN213841847U (en) | Graphite modified polypropylene tube type heat exchanger | |
| CN210355725U (en) | Canister adapter | |
| CN204127516U (en) | A kind of air-conditioner of engineering machinery pipeline connects sealing configuration | |
| CN211085582U (en) | Sealing detection structure of automobile exhaust pipe | |
| CN221257638U (en) | Flange sealing structure for always bearing external pressure load inside high-pressure container | |
| CN218236493U (en) | Quick connector for gas pipeline on outer wall of high-rise residence | |
| CN218294823U (en) | Efficient sealing corrosion-resistant flange for pipeline | |
| CN217634352U (en) | Pressure gauge with joint double-sealing structure | |
| CN221034417U (en) | Quick connector and flowmeter | |
| CN219639737U (en) | High leakproofness tee bend pipe fitting | |
| CN214064132U (en) | Nitrogen tank universal joint suitable for hydraulic equipment | |
| CN217927623U (en) | Pipeline clamp connecting piece with threads | |
| CN210179130U (en) | Pipe joint for cooling system of wind power generation power distribution cabinet | |
| CN221034427U (en) | Cutting ferrule formula three way connection | |
| CN220102451U (en) | Water leakage-proof insert type joint | |
| CN214635469U (en) | Ceramic membrane sealing joint | |
| CN214440135U (en) | High leakproofness high pressure cleaning rifle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240109 Address after: 312368 Qingnian Road, Shaoxing Daoxu Industrial Park, Daoxu Street, Shangyu District, Shaoxing City, Zhejiang Province Patentee after: Shaoxing Shangyu chuangying intelligent ventilation equipment Co.,Ltd. Address before: 215400 No.18, Punan Road, Shaxi Town, Taicang City, Suzhou City, Jiangsu Province Patentee before: Taicang Longxiang Chemical Anticorrosion Equipment Co.,Ltd. |
|
| TR01 | Transfer of patent right |