CN209212644U - Axle envelope and blower - Google Patents
Axle envelope and blower Download PDFInfo
- Publication number
- CN209212644U CN209212644U CN201822069658.4U CN201822069658U CN209212644U CN 209212644 U CN209212644 U CN 209212644U CN 201822069658 U CN201822069658 U CN 201822069658U CN 209212644 U CN209212644 U CN 209212644U
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- Prior art keywords
- seal
- main shaft
- blower fan
- fan main
- seal casinghousing
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- 238000007789 sealing Methods 0.000 claims abstract description 69
- 238000012856 packing Methods 0.000 claims description 9
- 239000002775 capsule Substances 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 238000005457 optimization Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000000007 visual effect Effects 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000010425 asbestos Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- XUCNUKMRBVNAPB-UHFFFAOYSA-N fluoroethene Chemical compound FC=C XUCNUKMRBVNAPB-UHFFFAOYSA-N 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003447 ipsilateral effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
Abstract
The utility model provides a kind of axle envelope and blower, it is related to the technical field of rotating shaft sealing, including seal casinghousing, the gentle source component of seal assembly, it is sheathed on blower fan main shaft by seal casinghousing, the side of seal casinghousing and the outer wall of Blower Housing connect, seal assembly is located between seal casinghousing and blower fan main shaft, and seal assembly is connect with seal casinghousing, seal assembly is abutted far from one end of seal casinghousing with blower fan main shaft, gas source component is connect by adjusting bracket with seal casinghousing, the outlet air end of gas source component is connected to seal chamber, the gas that gas source component generates is entered in seal chamber by outlet air end, external power source must be relied on by alleviating existing dynamic seal axle envelope, the big technical problem of application limitation, realize the optimization to shaft seal structure, independence is good, the technical effect having a wide range of application.
Description
Technical field
The utility model relates to rotating shaft sealing technical fields, more particularly, to a kind of axle envelope and blower.
Background technique
Axle envelope is one of blower or the common component of each rotating machinery, and effect is usually sealing revolving part (rotary shaft)
With the gap between static element (shell), make the intracorporal medium of shell can not be by the gap between revolving part and static element to outside
Leakage；Common type of shaft sealing has packing seal, mechanical seal and dynamic seal.
Existing mechanical seal be formed between axle envelope and rotary shaft using aluminium alloy or polytetrafluoroethylene material it is close
Cover, packing seal are that rubber ring or immersion oil packing are arranged between axle envelope and rotary shaft, dynamic seal axle envelope and shaft it
Between generally require in the seal chamber that is formed and be stored with sealing medium, such as gas or liquid, wherein dynamic seal reliable performance,
Cheap, easy to maintenance, application range is wider.
But the seal chamber of existing dynamic seal axle envelope needs the moment to be connected to extraneous gas source or fluid supply, with
Guarantee the positive pressure environment in seal chamber, causing axle envelope, structure is complicated, and extraneous optional equipment increases the use cost of axle envelope.
The information disclosed in the background technology section is intended only to deepen the understanding to the utility model general background technology,
And it is not construed as recognizing or implying in any form that the information constitutes the prior art known in those skilled in the art.
Utility model content
It, must be according to alleviate existing dynamic seal axle envelope the purpose of this utility model is to provide a kind of axle envelope and blower
Rely external power source, the big technical problem of application limitation.
In order to solve the above technical problems, technical solution provided by the utility model is:
Axle envelope provided by the utility model, including the gentle source component of seal casinghousing, seal assembly；
Seal casinghousing is sheathed on blower fan main shaft, and the outer wall of the side of seal casinghousing and Blower Housing connects, sealing group
Part is located between seal casinghousing and blower fan main shaft, and seal assembly is connect with seal casinghousing, and seal assembly is far from seal casinghousing
One end abutted with blower fan main shaft, enclose between seal casinghousing, seal assembly and blower fan main shaft equipped with seal chamber；
Gas source component is connect by adjusting bracket with seal casinghousing, and the outlet air end of gas source component is connected to seal chamber, and gas
Source component and blower fan main shaft are sequentially connected, so that gas source component generates gas, and are entered in seal chamber by outlet air end, with
Hyperbaric environment is formed in seal chamber, to prevent the gas in Blower Housing from releasing along blower fan main shaft.
Further, seal casinghousing includes the first seal casinghousing and the second seal casinghousing；
The side of first seal casinghousing and the side of the second seal casinghousing are connect with the outer wall of Blower Housing, blower fan main shaft
It is located between the first seal casinghousing and the second seal casinghousing, and the first seal casinghousing passes through connection component and the second seal casinghousing
Connection, is provided with seal assembly between the first seal casinghousing and the second seal casinghousing and blower fan main shaft, the first seal casinghousing, the
It encloses between two seal casinghousings, seal assembly and blower fan main shaft equipped with seal chamber；
Gas source component is connect by adjusting bracket with the outer surface of the first seal casinghousing.
Further, the first seal casinghousing includes connecting pin and fixing end；
Connecting pin and fixing end are arranged each along the outer circle circumferential direction of blower fan main shaft, the side of connecting pin and blower housing
Outer wall connection, fixing end and connecting pin are connected far from the side of blower housing, and gas source component is connected by adjusting bracket and connecting pin
It connects, seal assembly, connecting pin, fixing end, blower fan main shaft and sealing is provided between connecting pin and fixing end and blower fan main shaft
It is enclosed between component equipped with seal chamber, the outlet air end of gas source component passes through fixing end and is connected to seal chamber.
Further, seal assembly includes the first sealing and the second sealing；
First sealing is located between connecting pin and blower fan main shaft, and the first sealing is connect with connecting pin, and first is close
Envelope portion is abutted with blower fan main shaft, will be sealed between connecting pin and blower fan main shaft；
Second sealing is located between fixing end and blower fan main shaft, and the second sealing is connect with fixing end, and second is close
Envelope portion is abutted with blower fan main shaft, will be sealed between fixing end and blower fan main shaft.
Further, gas source component includes driving wheel and exhaust apparatus；
Exhaust apparatus is fixed on connecting pin by adjusting bracket, and the outlet air end of exhaust apparatus passes through fixing end and seal chamber
Connection, driving wheel is coaxially connected with exhaust apparatus, and driving wheel is matched with blower fan main shaft, so that blower fan main shaft passes through driving wheel band
Dynamic exhaust apparatus generates gas source.
Further, exhaust apparatus includes outlet air shell, rotating wheel and guide duct；
Outlet air shell is fixed on connecting pin by adjusting bracket, and accommodating cavity, rotating wheel setting are provided in outlet air shell
In in accommodating cavity, rotating wheel is connect by connecting shaft with the inner wall of outlet air shell, and driving wheel and rotating wheel are coaxially connected, with band
Turn wheel rotation, to generate high pressure gas in accommodating cavity；
Guide duct is set on outlet air shell, and guide duct is connected to accommodating cavity, the one end of guide duct far from outlet air shell
It is connected to across fixing end with seal chamber, the high pressure gas in accommodating cavity is transmitted in seal chamber.
Further, adjusting bracket includes first connecting portion, second connecting portion and connector；
First connecting portion and connecting pin are connected close to the side of fixing end, and second connecting portion is connect with exhaust apparatus, and second
Interconnecting piece is extend into first connecting portion far from one end of exhaust apparatus, and second connecting portion can be slided along first connecting portion, with
The distance between driving wheel and blower fan main shaft are adjusted, connector passes through first connecting portion and abuts with second connecting portion, so that second
Interconnecting piece is fixed in first connecting portion, and exhaust apparatus is fixed on connecting pin.
Further, the first sealing and the second sealing are respectively set to packing seal and mechanical seal.
Further, the rotating wheel of exhaust apparatus is set as radial impeller.
Blower provided by the utility model, including axle envelope.
In conjunction with above technical scheme, the beneficial effect that the utility model reaches is:
Axle envelope provided by the utility model, including the gentle source component of seal casinghousing, seal assembly；Seal casinghousing is sheathed on wind
On owner's axis, and the outer wall of the side of seal casinghousing and Blower Housing connects, and seal assembly is located in seal casinghousing and blower master
Between axis, and seal assembly is connect with seal casinghousing, and seal assembly is abutted far from one end of seal casinghousing with blower fan main shaft, sealing
It encloses between shell, seal assembly and blower fan main shaft equipped with seal chamber；Gas source component is connect by adjusting bracket with seal casinghousing, gas
The outlet air end of source component is connected to seal chamber, and gas source component and blower fan main shaft are sequentially connected, so that gas source component generates gas,
And entered in seal chamber by outlet air end, to form hyperbaric environment in seal chamber, to prevent the gas edge in Blower Housing
Blower fan main shaft releases；It being sheathed on blower fan main shaft by seal casinghousing, the side of seal casinghousing and the outer wall of Blower Housing connect,
Seal assembly is located between seal casinghousing and blower fan main shaft, and seal assembly is connect with seal casinghousing, and seal assembly is far from close
One end of capsule body is abutted with blower fan main shaft, and gas source component is connect by adjusting bracket with seal casinghousing, the outlet air of gas source component
End is connected to seal chamber, and the gas that gas source component generates is entered in seal chamber by outlet air end, alleviates existing dynamic seal
Axle envelope must rely on external power source, and the big technical problem of application limitation realizes the optimization to shaft seal structure, independence
It is good, the technical effect having a wide range of application.
Other feature and advantage of the utility model will illustrate in the following description, also, partly from specification
In become apparent, or understood and implementing the utility model.The purpose of this utility model and other advantages are illustrating
Structure specifically noted by book, claims and attached drawing is achieved and obtained.
Detailed description of the invention
Illustrate specific embodiment of the present invention or technical solution in the prior art in order to clearer, it below will be right
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it is clear that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the overall structure diagram of axle envelope provided by the embodiment of the utility model；
Fig. 2 is the cross-sectional view of axle envelope provided by the embodiment of the utility model；
Fig. 3 is the structural schematic diagram under the first visual angle of axle envelope provided by the embodiment of the utility model.
Icon: 100- seal casinghousing；The first seal casinghousing of 110-；The connecting pin 111-；112- fixing end；120- second is sealed
Shell；200- seal assembly；The first sealing of 210-；The second sealing of 220-；230- seal chamber；300- gas source component；310-
Driving wheel；320- exhaust apparatus；321- outlet air shell；322- rotating wheel；323- guide duct；400- adjusting bracket；410- first
Interconnecting piece；420- second connecting portion；430- connector；500- Blower Housing；510- blower fan main shaft.
Specific embodiment
Clear, complete description is carried out to the technical solution of the utility model below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
In the description of the present invention, it should be noted that such as occur term " center ", "upper", "lower", " left side ",
" right side ", "vertical", "horizontal", "inner", "outside" etc., indicated by orientation or positional relationship be orientation based on the figure or
Positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the device or member of indication or suggestion meaning
Part must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In addition, such as there is term " first ", " second ", " third " are used for description purposes only, be not understood to indicate or imply opposite
Importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, such as there is term
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
The connection of body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
Fig. 1 is the overall structure diagram of axle envelope provided in this embodiment；Fig. 2 is the section view of axle envelope provided in this embodiment
Figure；Fig. 3 is the structural schematic diagram under the first visual angle of axle envelope provided in this embodiment, wherein the first visual angle, which is positive, is shown in outlet air
Device 320.
As shown in Figure 1-3, present embodiments providing a kind of axle envelope, including seal casinghousing 100, seal assembly 200 and gas source
Component 300；Seal casinghousing 100 is sheathed on blower fan main shaft 510, and the outer wall of the side of seal casinghousing 100 and Blower Housing 500
Connection, seal assembly 200 are located between seal casinghousing 100 and blower fan main shaft 510, and seal assembly 200 and seal casinghousing 100
Connection, the one end of seal assembly 200 far from seal casinghousing 100 are abutted with blower fan main shaft 510, seal casinghousing 100, seal assembly
It is enclosed between 200 and blower fan main shaft 510 equipped with seal chamber 230；Gas source component 300 is connected by adjusting bracket 400 and seal casinghousing 100
It connecing, the outlet air end of gas source component 300 is connected to seal chamber 230, and gas source component 300 and blower fan main shaft 510 are sequentially connected, so that
Gas source component 300 generates gas, and is entered in seal chamber 230 by outlet air end, to form high compression ring in seal chamber 230
Border, to prevent the gas in Blower Housing 500 from releasing along blower fan main shaft 510.
Specifically, being provided with the axis hole of perforation on seal casinghousing 100, seal casinghousing 100 is set in by the axis hole penetrated through
On blower fan main shaft 510；Multiple studs are welded on the outer wall of Blower Housing 500, the side of seal casinghousing 100 is provided with accordingly
Multiple stud bolt holes, and multiple groups rubber seal is provided between seal casinghousing 100 and the outer wall of Blower Housing 500, multiple studs
It corresponds to across multiple stud bolt holes, and is bolted, will realize and seal between Blower Housing 500 and seal casinghousing 100；It is close
Sealing assembly 200 is located between seal casinghousing 100 and blower fan main shaft 510, and one end of seal assembly 200 and seal casinghousing 100 connect
It connects, the one end of seal assembly 200 far from seal casinghousing 100 is abutted with blower fan main shaft 510, seal casinghousing 100, seal assembly 200
It is enclosed between blower fan main shaft 510 equipped with seal chamber 230；Gas source component 300 is fixed on seal casinghousing 100 by adjusting bracket 400
Outer wall on, the outlet air end of gas source component 300 is connected to seal chamber 230, and gas source component 300 and blower fan main shaft 510 are sequentially connected,
Blower fan main shaft 510 can drive the associated components in gas source component 300 to rotate, to form hyperbaric environment in seal chamber 230, to prevent
Only the gas in Blower Housing 500 is released from blower fan main shaft 510 and cooperation place of Blower Housing 500.
Axle envelope provided in this embodiment, including seal casinghousing 100, the gentle source component 300 of seal assembly 200；Seal casinghousing
100 are sheathed on blower fan main shaft 510, and the side of seal casinghousing 100 is connect with the outer wall of Blower Housing 500, seal assembly 200
It is located between seal casinghousing 100 and blower fan main shaft 510, and seal assembly 200 is connect with seal casinghousing 100, seal assembly 200
Abutted far from one end of seal casinghousing 100 with blower fan main shaft 510, seal casinghousing 100, seal assembly 200 and blower fan main shaft 510 it
Between enclose equipped with seal chamber 230；Gas source component 300 is connect by adjusting bracket 400 with seal casinghousing 100, and gas source component 300 goes out
Wind end is connected to seal chamber 230, and gas source component 300 and blower fan main shaft 510 are sequentially connected, so that gas source component 300 generates gas
Body, and entered in seal chamber 230 by outlet air end, to form hyperbaric environment in seal chamber 230, to prevent Blower Housing
Gas in 500 is released along blower fan main shaft 510；It is sheathed on blower fan main shaft 510 by seal casinghousing 100, seal casinghousing 100
Side is connect with the outer wall of Blower Housing 500, and seal assembly 200 is located between seal casinghousing 100 and blower fan main shaft 510, and
Seal assembly 200 is connect with seal casinghousing 100, and the one end of seal assembly 200 far from seal casinghousing 100 is supported with blower fan main shaft 510
It connects, gas source component 300 is connect by adjusting bracket 400 with seal casinghousing 100, the outlet air end and seal chamber 230 of gas source component 300
Connection, the gas that gas source component 300 generates are entered in seal chamber 230 by outlet air end, alleviate existing dynamic seal axle envelope
External power source must be relied on, the big technical problem of application limitation realizes the optimization to shaft seal structure, and independence is good, answers
With the wide technical effect of range.
On the basis of the above embodiments, further, the seal casinghousing 100 in axle envelope provided in this embodiment includes the
One seal casinghousing 110 and the second seal casinghousing 120；The side of first seal casinghousing 110 and the side of the second seal casinghousing 120 are equal
Connect with the outer wall of Blower Housing 500, blower fan main shaft 510 be located in the first seal casinghousing 110 and the second seal casinghousing 120 it
Between, and the first seal casinghousing 110 is connect by connection component with the second seal casinghousing 120, the first seal casinghousing 110 and second is close
Seal assembly 200, the first seal casinghousing 110, the second seal casinghousing are provided between capsule body 120 and blower fan main shaft 510
120, it is enclosed between seal assembly 200 and blower fan main shaft 510 equipped with seal chamber 230；Gas source component 300 by adjusting bracket 400 with
The outer surface of first seal casinghousing 110 connects.
Specifically, seal casinghousing 100 is set as split combination structure, including the first seal casinghousing 110 and the second sealing
Shell 120, gas source component 300 are connect by adjusting bracket 400 with the outer surface of the first seal casinghousing 110, the first seal casinghousing
110 and second seal casinghousing 120 match constitute seal casinghousing 100；First seal casinghousing 110 and the second seal casinghousing 120
It is ipsilateral connect with the outer wall of Blower Housing 500, the first seal casinghousing 110 and the second seal casinghousing 120 mating surface
On be provided with semi- cylindrical axis hole, the main shaft of blower is located in the first seal casinghousing 110 and the second seal casinghousing 120 matches
It closes in the cylindrical bore generated, and the first seal casinghousing 110 is connect by connection component with the second seal casinghousing 120, at this
In the optinal plan of embodiment, preferably, connection component is set as flange face and bolt, the first seal casinghousing 110 and second
The faying face of seal casinghousing 120 is set as flange face, and is bolted and is integrated；First seal casinghousing 110 and second is close
Be provided with seal assembly 200 between capsule body 120 and blower fan main shaft 510, seal assembly 200 respectively with the first seal casinghousing
110 connect with the second seal casinghousing 120 close to one end of blower fan main shaft 510, the first seal casinghousing 110, the second seal casinghousing
120, it is enclosed between seal assembly 200 and blower fan main shaft 510 equipped with seal chamber 230.
Further, the first seal casinghousing 110 includes connecting pin 111 and fixing end 112；Connecting pin 111 and fixing end 112
Each along the outer circle circumferential direction setting of blower fan main shaft 510, the side of connecting pin 111 and the outer wall of blower housing are connected, fixing end
112 connect with connecting pin 111 far from the side of blower housing, and gas source component 300 is connected by adjusting bracket 400 and connecting pin 111
It connects, seal assembly 200, connecting pin 111, fixing end is provided between connecting pin 111 and fixing end 112 and blower fan main shaft 510
112, it is enclosed between blower fan main shaft 510 and seal assembly 200 equipped with seal chamber 230, the outlet air end of gas source component 300 passes through fixing end
112 are connected to seal chamber 230.
Specifically, the first seal casinghousing 110 includes connecting pin 111 and fixing end 112, same, the second seal casinghousing 120
Identical as 110 structure of the first seal casinghousing, the second seal casinghousing 120 also includes connecting pin 111 and fixing end 112, the present embodiment
It is illustrated by taking the structure of the first seal casinghousing 110 as an example；Connecting pin 111 and fixing end 112 are each along 510 outer circle of blower fan main shaft
Circumferential direction setting, connecting pin 111 and the setting of fixing end 112 are integrally formed, the side of connecting pin 111 and the outer wall of blower housing
Connection, fixing end 112 connect with connecting pin 111 far from the side of blower housing, gas source component 300 pass through adjusting bracket 400 and
The outer wall of connecting pin 111 connects, and encloses between connecting pin 111, fixing end 112, blower fan main shaft 510 and seal assembly 200 equipped with close
Chamber 230 is sealed, opening is provided in fixing end 112, the outlet air end of gas source component 300 passes through opening and is connected to seal chamber 230.
Further, seal assembly 200 includes the first sealing 210 and the second sealing 220；First sealing 210 folder
Between connecting pin 111 and blower fan main shaft 510, and the first sealing 210 is connect with connecting pin 111, the first sealing 210 with
Blower fan main shaft 510 abuts, and will seal between connecting pin 111 and blower fan main shaft 510；Second sealing 220 is located in fixing end
Between 112 and blower fan main shaft 510, and the second sealing 220 is connect with fixing end 112, the second sealing 220 and blower fan main shaft
510 abut, and will seal between fixing end 112 and blower fan main shaft 510；Wherein, the first sealing 210 and the second sealing 220
It is respectively set to packing seal and mechanical seal.
Specifically, seal assembly 200 includes the first sealing 210 and the second sealing 220, the setting of the first sealing 210
For packing seal, preferably, packing seal is set as rubber seal or immersion oil asbestos packing, 210 sandwiched of the first sealing
Between connecting pin 111 and blower fan main shaft 510, it is provided with annular groove on the periphery of connecting pin 111 and fan shaft cooperation,
First sealing 210 is embedded into annular groove, the depth of annular groove less than the first sealing 210 diameter of section, first
Side of the sealing 210 far from connecting pin 111 is abutted with the outer surface of blower fan main shaft 510, to realize the first sealing 210 and wind
It is sealed between owner's axis 510；Second sealing 220 is located between fixing end 112 and blower fan main shaft 510, the second sealing 220
It is set as mechanical seal, in the optinal plan of the present embodiment, preferably, the second sealing 220 is set as aluminium alloy or poly- four
Vinyl fluoride sealing block, the second sealing 220 are located between fixing end 112 and blower fan main shaft 510, and the one of the second sealing 220
End is embedded into fixing end 112, and side of second sealing 220 far from fixing end 112 is abutted with blower fan main shaft 510, with reality
It is sealed between existing fixing end 112 and blower fan main shaft 510, so that connecting pin 111, fixing end 112, the second sealing 220, blower master
The chamber for being set as sealing is enclosed between axis 510 and the first sealing 210.
Axle envelope provided in this embodiment is located in the first seal casinghousing 110 and the second seal casinghousing by blower fan main shaft 510
Between 120, connecting pin 111 and fixing end 112 are arranged each along the outer circle circumferential direction of blower fan main shaft 510, the first sealing 210 folder
Between connecting pin 111 and blower fan main shaft 510, and the first sealing 210 is connect with connecting pin 111, the second sealing 220 folder
Between fixing end 112 and blower fan main shaft 510, and the second sealing 220 is connect with fixing end 112,210 He of the first sealing
Second side of the sealing 220 far from seal casinghousing 100 is abutted with the outer surface of blower fan main shaft 510, effectively in connecting pin
111, the chamber for being set as sealing is enclosed between fixing end 112, the second sealing 220, blower fan main shaft 510 and the first sealing 210.
On the basis of the above embodiments, further, the gas source component 300 in axle envelope provided in this embodiment includes passing
Driving wheel 310 and exhaust apparatus 320；Exhaust apparatus 320 is fixed on connecting pin 111 by adjusting bracket 400, exhaust apparatus 320
Outlet air end pass through fixing end 112 be connected to seal chamber 230, driving wheel 310 and exhaust apparatus 320 are coaxially connected, driving wheel 310
It is matched with blower fan main shaft 510, so that blower fan main shaft 510 drives exhaust apparatus 320 to generate gas source by driving wheel 310.
Wherein, exhaust apparatus 320 includes outlet air shell 321, rotating wheel 322 and guide duct 323；Outlet air shell 321 passes through
Adjusting bracket 400 is fixed on connecting pin 111, and accommodating cavity is provided in outlet air shell 321, and rotating wheel 322 is set to accommodating cavity
Interior, rotating wheel 322 is connect by connecting shaft with the inner wall of outlet air shell 321, and driving wheel 310 and rotating wheel 322 are coaxially connected,
To drive rotating wheel 322 to rotate, to generate high pressure gas in accommodating cavity；Guide duct 323 is set on outlet air shell 321, and is led
Air hose 323 is connected to accommodating cavity, and guide duct 323 passes through fixing end 112 far from one end of outlet air shell 321 and seal chamber 230 connects
It is logical, the high pressure gas in accommodating cavity is transmitted in seal chamber 230；Wherein, the rotating wheel 322 of exhaust apparatus 320 is set as
Radial impeller.
Specifically, gas source component 300 includes driving wheel 310 and exhaust apparatus 320, exhaust apparatus 320 includes outlet air shell
321, rotating wheel 322 and guide duct 323；Outlet air shell 321 is fixed on the outer wall of connecting pin 111 by adjusting bracket 400, out
It is provided with accommodating cavity in crust of weathering body 321, shaft is provided in accommodating cavity, the both ends of shaft connect with the inner wall of outlet air shell 321
It connects, rotating wheel 322 is fixed in shaft by deep groove ball bearing, and driving wheel 310 is set to the side of outlet air shell 321, and passes
Driving wheel 310 and the shaft in outlet air shell 321 are coaxially connected, and driving wheel 310 is meshed with blower fan main shaft 510, preferably, passing
The field of conjugate action of driving wheel 310 and blower fan main shaft 510 is provided with engaging tooth, so that blower fan main shaft 510 drives outlet air by driving wheel 310
Rotating wheel 322 in shell 321 rotates, to generate high-pressure air source in accommodating cavity, in addition, the impeller of rotating wheel 322 is set as
Radial impeller, to meet the high pressure gas that can generate equivalent during the positive and negative rotation of rotating wheel 322；Guide duct 323 is arranged
In on the outer wall of outlet air shell 321, and guide duct 323 is connected to the accommodating cavity in outlet air shell 321, in the optional of the present embodiment
In scheme, preferably, guide duct 323 is set as stainless steel corrugated flexible hose, guide duct 323 is set far from one end of outlet air shell 321
It is equipped with external screw thread, above-mentioned external screw thread can be matched with the internal thread hole being arranged in fixing end 112, so that the high pressure gas in accommodating cavity
Body is transmitted in the seal chamber 230 of seal casinghousing 100 by guide duct 323.
Further, the adjusting bracket 400 in axle envelope provided in this embodiment is connected including first connecting portion 410, second
Portion 420 and connector 430；First connecting portion 410 is connect with connecting pin 111 close to the side of fixing end 112, second connecting portion
420 connect with exhaust apparatus 320, and second connecting portion 420 is extend into first connecting portion 410 far from one end of exhaust apparatus 320,
And second connecting portion 420 can be slided along first connecting portion 410, to adjust the distance between driving wheel 310 and blower fan main shaft 510,
Connector 430 passes through first connecting portion 410 and abuts with second connecting portion 420, so that second connecting portion 420 is fixed on the first connection
In portion 410, exhaust apparatus 320 is fixed on connecting pin 111.
Specifically, adjusting bracket 400 includes first connecting portion 410, first connecting portion 410 and connector 430；First connection
Portion 410 is welded on connecting pin 111 close to the side of fixing end 112, and second connecting portion 420 is bolted on exhaust apparatus
320 side of the outlet air shell 321 far from driving wheel 310, encloses between first connecting portion 410 and connecting pin 111 equipped with sliding slot, the
Two one end of interconnecting piece 420 far from outlet air shell 321 can be extend into the sliding slot, and second connecting portion 420 can be in above-mentioned cunning
It is moved in slot along the direction perpendicular to 510 place axis of blower fan main shaft, to adjust between driving wheel 310 and blower fan main shaft 510
Distance, to adapt to the blower fan main shaft 510 of the different diameters of axle；Connector 430 is set as bolt, is provided in first connecting portion 410 more
A bolt hole, multiple bolts are corresponding to screw in multiple bolts hole, and the unscrewing end of bolt and second connecting portion 420 are far from outlet air shell
321 one end abuts, and first connecting portion 410 is pressed against on the outer wall of connecting pin 111, so that exhaust apparatus 320 is fixed on
On connecting pin 111.
Axle envelope provided in this embodiment is fixed on the outer wall of connecting pin 111 by outlet air shell 321, and rotating wheel 322 is set
It is placed in the shaft in outlet air shell 321, driving wheel 310 and rotating wheel 322 are coaxially connected, and guide duct 323 is by outlet air shell 321
Interior accommodating cavity is connected to the seal chamber 230 in seal casinghousing 100, so that axle envelope provided in this embodiment does not depend on extraneous gas
Source, good energy saving property have a wide range of application；It is connect with connecting pin 111 close to the side of fixing end 112 by first connecting portion 410, the
Two interconnecting pieces 420 are connect with exhaust apparatus 320, and second connecting portion 420 can be slided along first connecting portion 410, and adjustment can be facilitated to pass
The distance between driving wheel 310 and blower fan main shaft 510 are suitable for the blower fan main shaft 510 of the different diameters of axle.
On the basis of the above embodiments, further, blower provided in this embodiment, including axle envelope.
Since the technical effect of blower provided in this embodiment is identical as the technical effect of the axle envelope of above-mentioned offer, herein not
It repeats again.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of axle envelope characterized by comprising the gentle source component of seal casinghousing, seal assembly；
The seal casinghousing is sheathed on blower fan main shaft, and the outer wall of the side of the seal casinghousing and Blower Housing connects, institute
It states seal assembly to be located between the seal casinghousing and the blower fan main shaft, and the seal assembly and the seal casinghousing connect
It connects, the one end of the seal assembly far from the seal casinghousing is abutted with the blower fan main shaft, the seal casinghousing, the sealing
It encloses between component and blower fan main shaft equipped with seal chamber；
The gas source component is connect by adjusting bracket with the seal casinghousing, the outlet air end of the gas source component and the sealing
Chamber connection, and the gas source component and the blower fan main shaft are sequentially connected, so that the gas source component generates gas, and by going out
Wind end enters in the seal chamber, to form hyperbaric environment in the seal chamber, to prevent the intracorporal gas of the Fan casing
Body is released along the blower fan main shaft.
2. axle envelope according to claim 1, which is characterized in that the seal casinghousing includes that the first seal casinghousing and second are close
Capsule body；
The side of first seal casinghousing and the side of second seal casinghousing are connect with the outer wall of the Blower Housing,
The blower fan main shaft is located between first seal casinghousing and second seal casinghousing, and first seal casinghousing is logical
It crosses connection component to connect with second seal casinghousing, first seal casinghousing and second seal casinghousing and the blower
Be provided with the seal assembly between main shaft, first seal casinghousing, second seal casinghousing, the seal assembly and
It is enclosed between the blower fan main shaft equipped with the seal chamber；
The gas source component is connect by the adjusting bracket with the outer surface of first seal casinghousing.
3. axle envelope according to claim 2, which is characterized in that first seal casinghousing includes connecting pin and fixing end；
The connecting pin and the fixing end are arranged each along the outer circle circumferential direction of the blower fan main shaft, the side of the connecting pin
It is connect with the outer wall of the blower housing, the fixing end is connect with the connecting pin far from the side of the blower housing, institute
It states gas source component and is connect by the adjusting bracket with the connecting pin, the connecting pin and the fixing end and the blower master
Be provided with the seal assembly between axis, the connecting pin, the fixing end, the blower fan main shaft and the seal assembly it
Between enclose equipped with the seal chamber, the outlet air end of the gas source component passes through the fixing end and is connected to the seal chamber.
4. axle envelope according to claim 3, which is characterized in that the seal assembly includes the first sealing and the second sealing
Portion；
First sealing is located between the connecting pin and the blower fan main shaft, and first sealing and the company
End connection is connect, first sealing is abutted with the blower fan main shaft, will be close between the connecting pin and the blower fan main shaft
Envelope；
Second sealing is located between the fixing end and the blower fan main shaft, and second sealing with it is described solid
Fixed end connection, second sealing are abutted with the blower fan main shaft, will be close between the fixing end and the blower fan main shaft
Envelope.
5. axle envelope according to claim 3, which is characterized in that the gas source component includes driving wheel and exhaust apparatus；
The exhaust apparatus is fixed on the connecting pin by the adjusting bracket, and the outlet air end of the exhaust apparatus passes through institute
It states fixing end to be connected to the seal chamber, the driving wheel and the exhaust apparatus are coaxially connected, the driving wheel and the wind
Owner's axis matches, so that the blower fan main shaft drives the exhaust apparatus to generate gas source by the driving wheel.
6. axle envelope according to claim 5, which is characterized in that the exhaust apparatus includes outlet air shell, rotating wheel and leads
Air hose；
The outlet air shell is fixed on the connecting pin by the adjusting bracket, is provided with accommodating in the outlet air shell
Chamber, the rotating wheel are set in the accommodating cavity, and the rotating wheel is connect by connecting shaft with the inner wall of the outlet air shell,
And the driving wheel and the rotating wheel are coaxially connected, to drive the rotating wheel to rotate, to generate high pressure in the accommodating cavity
Gas；
The guide duct is set on the outlet air shell, and the guide duct is connected to the accommodating cavity, and the guide duct is remote
One end from the outlet air shell passes through the fixing end and is connected to the seal chamber, by the high pressure gas in the accommodating cavity
It is transmitted in the seal chamber.
7. axle envelope according to claim 5, which is characterized in that the adjusting bracket includes first connecting portion, the second connection
Portion and connector；
The first connecting portion is connect with the connecting pin close to the side of the fixing end, the second connecting portion and it is described go out
Wind apparatus connection, the second connecting portion are extend into the first connecting portion far from one end of the exhaust apparatus, and described
Second connecting portion can be slided along the first connecting portion, to adjust the distance between the driving wheel and the blower fan main shaft, institute
It states connector and is abutted with the second connecting portion across the first connecting portion, so that the second connecting portion is fixed on described the
In one interconnecting piece, the exhaust apparatus is fixed on the connecting pin.
8. axle envelope according to claim 4, which is characterized in that first sealing and second sealing are set respectively
It is set to packing seal and mechanical seal.
9. axle envelope according to claim 6, which is characterized in that the rotating wheel of the exhaust apparatus is set as radial impeller.
10. a kind of blower, which is characterized in that including such as described in any item axle envelopes of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822069658.4U CN209212644U (en) | 2018-12-10 | 2018-12-10 | Axle envelope and blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822069658.4U CN209212644U (en) | 2018-12-10 | 2018-12-10 | Axle envelope and blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209212644U true CN209212644U (en) | 2019-08-06 |
Family
ID=67463942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822069658.4U Withdrawn - After Issue CN209212644U (en) | 2018-12-10 | 2018-12-10 | Axle envelope and blower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209212644U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109356880A (en) * | 2018-12-10 | 2019-02-19 | 济南风机厂有限责任公司 | Axle envelope and blower |
-
2018
- 2018-12-10 CN CN201822069658.4U patent/CN209212644U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109356880A (en) * | 2018-12-10 | 2019-02-19 | 济南风机厂有限责任公司 | Axle envelope and blower |
| CN109356880B (en) * | 2018-12-10 | 2024-04-02 | 济南风机厂有限责任公司 | Shaft seal and fan |
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Granted publication date: 20190806 Effective date of abandoning: 20240402 |