CN209294049U - A kind of sealing device of air compressor machine - Google Patents
A kind of sealing device of air compressor machine Download PDFInfo
- Publication number
- CN209294049U CN209294049U CN201822245338.XU CN201822245338U CN209294049U CN 209294049 U CN209294049 U CN 209294049U CN 201822245338 U CN201822245338 U CN 201822245338U CN 209294049 U CN209294049 U CN 209294049U
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- China
- Prior art keywords
- sealing
- oil sealing
- air compressor
- bracket
- compressor machine
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- Expired - Fee Related
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- 238000007789 sealing Methods 0.000 title claims abstract description 158
- 239000003921 oil Substances 0.000 claims description 65
- 239000010721 machine oil Substances 0.000 claims description 6
- 210000000078 claw Anatomy 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 239000004809 Teflon Substances 0.000 claims description 3
- 229920006362 Teflon® Polymers 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 11
- 230000006835 compression Effects 0.000 description 11
- 238000007906 compression Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
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- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The utility model relates to a kind of sealing devices of air compressor machine, including Oil sealing assembly, Oil sealing assembly includes the oil sealing bracket in air compressor machine casing, seal cartridge in oil sealing bracket, oil sealing bracket and seal cartridge are both ends open, the tubular structure of inner hollow, seal cartridge is sheathed on screw rod, the medial surface of seal cartridge is equipped with helicla flute, the first outboard flanges of prominent seal cartridge lateral surface are provided on seal cartridge, oil sealing bracket is equipped with the first medial flange of prominent oil sealing bracket medial surface, sealing ring is provided between first medial flange and the first outboard flanges, the medial surface of oil sealing bracket is provided with locating slot, the first elastic device is provided in locating slot, the both ends of first elastic device are contacted with the first outboard flanges and oil sealing bracket respectively.The sealing device sealing effect of the air compressor machine of the utility model is good.
Description
Technical field
The utility model relates to a kind of sealing device more particularly to a kind of sealing devices of air compressor machine.
Background technique
Air compressor is a kind of equipment for compressed gas comprising casing and female screw and sun in casing
Screw rod, positive screw rod are driven by driving motor and are rotated, and female screw follows positive screw rod to rotate by synchromesh gear mechanism, female screw with
The both ends of positive screw rod are provided with sealing device, and sealing device includes preventing gas from the air seal component of compression endoluminal leak and preventing
Only bearing assembly inner engine oil leaks into the Oil sealing assembly in compression chamber, and existing Oil sealing assembly is generally labyrinth sealing, due to
There is certain gap, although the gap is smaller, it there can be certain leakage always between Oil sealing assembly and screw rod.And
And mazy sealing mechanism, so that the revolving speed of screw rod does not play corresponding effect in the seal aspect to machine oil, to drop
The low sealing effect of sealing device.
Utility model content
In order to solve the above technical problems, the purpose of the utility model is to provide a kind of sealings of the good air compressor machine of sealing effect
Device.
The sealing device of the air compressor machine of the utility model, including Oil sealing assembly, the Oil sealing assembly include being set to air compressor machine
Oil sealing bracket in casing, the seal cartridge in oil sealing bracket, the oil sealing bracket and seal cartridge be both ends open,
The tubular structure of inner hollow, seal cartridge are sheathed on screw rod, and the medial surface of seal cartridge is equipped with helicla flute, on seal cartridge
The first outboard flanges of prominent seal cartridge lateral surface are provided with, oil sealing bracket is equipped with the first of prominent oil sealing bracket medial surface
Medial flange, is provided with sealing ring between the first medial flange and the first outboard flanges, the medial surface of oil sealing bracket is provided with fixed
Position slot, is provided with the first elastic device in the locating slot, the both ends of first elastic device respectively with the first outboard flanges
And oil sealing bracket contact.
Further, the sealing device of the air compressor machine of the utility model offers draining on the side wall of the oil sealing bracket
Hole.
Further, the top of the sealing device of the air compressor machine of the utility model, the oil sealing bracket is provided with claw.
Further, the sealing device of the air compressor machine of the utility model, further includes air seal component, and air seal component includes sealing
The lateral surface of disk, the sealing ring positioned at seal disc two sides, sealing ring is equipped with the second outboard flanges, and the outside of sealing ring is also cased with
Second elastic device, the inside of the oil sealing bracket are equipped with the second medial flange, in two sealing rings, one of sealing ring
End face and the side of seal disc offset, and the end face of another sealing ring offsets with second medial flange, the seal disc
End face of the side also with the oil sealing bracket offsets.
Further, the sealing device of the air compressor machine of the utility model, first elastic device and the second elastic device
For waveform spring.
Further, the surface of the sealing device of the air compressor machine of the utility model, the screw rod is coated with flexible media layer.
Further, the sealing device of the air compressor machine of the utility model, the flexible media layer are made of teflon material.
The setting of flexible media layer can prevent from generating rigid friction between sealing ring and screw rod, prevent it from damaging or generating
Excessive heat.
According to the above aspect of the present invention, the utility model at least has the following advantages: the sealing device of the air compressor machine of the utility model,
Including Oil sealing assembly, it is equipped with helicla flute on the inside of the seal cartridge of Oil sealing assembly, the setting of helicla flute strengthens the close of Oil sealing assembly
Seal effect.When air compressor works, the oil due to the rotation of screw rod, between screw rod lateral surface and seal cartridge medial surface
Film generates rotation therewith, due to helicla flute direction and screw rod steering on the contrary, in this way, with positive screw rod rotation, oil film is just
It is moved along helicla flute to the direction far from compression chamber in casing, so that machine oil is more difficult to pass through seal cartridge and screw rod
Between minim gap leak in the compression chamber of casing, to improve the sealing effect of Oil sealing assembly.Wherein, the first elasticity
The setting of device enables sealing ring to be pressed between the first outboard flanges and the first medial flange, to strengthen close
The sealing effect of seal.
In conclusion the sealing device of the air compressor machine of the utility model, passes through the collection of screw seal and labyrinth sealing
It closes, substantially increases sealing effect, sealing effect is more preferable compared to traditional sealing device.Sealing by floating simultaneously
Ring greatly facilitates the installation of air seal component, reduces the requirement in terms of installation accuracy.
The above description is merely an outline of the technical solution of the present invention, in order to better understand the skill of the utility model
Art means, and can be implemented in accordance with the contents of the specification, below on the preferred embodiment of the present invention and the accompanying drawings in detail
It describes in detail bright as after.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the sealing device of the utility model air compressor machine；
Fig. 2 is the three-dimensional structure diagram of Oil sealing assembly；
Fig. 3 is the cross-sectional view of Oil sealing assembly；
Fig. 4 is the main view of Oil sealing assembly；
Fig. 5 is the three-dimensional structure diagram of waveform spring；
Fig. 6 is the usage state diagram of sealing device；
Fig. 7 is the partial enlarged view in the portion A in Fig. 6.
Wherein, 1: Oil sealing assembly；2: oil sealing bracket；3: seal cartridge；4: screw rod；5: helicla flute；6: the first outboard flanges；
7: the first medial flanges；8: sealing ring；9: locating slot；10: the first elastic devices；11: oil leak hole；12: compression chamber；13: claw；
14: air seal component；15: seal disc；16: sealing ring；17: the second outboard flanges；18: the second elastic devices；19: the second insides are convex
Edge.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
Referring to Fig. 1 to Fig. 7, a kind of sealing device of air compressor machine of the utility model, including Oil sealing assembly 1, Oil sealing assembly
Including oil sealing bracket 2, the seal cartridge 3 in oil sealing bracket, oil sealing bracket and the seal cartridge being set in air compressor machine casing
It is the tubular structure of both ends open, inner hollow, seal cartridge is sheathed on screw rod 4, and the medial surface of seal cartridge is equipped with spiral shell
Spin slot 5, the first outboard flanges 6 of prominent seal cartridge lateral surface are provided on seal cartridge, and oil sealing bracket is equipped with prominent oil
The first medial flange 7 for sealing bracket medial surface, is provided with sealing ring 8, oil sealing between the first medial flange and the first outboard flanges
The medial surface of bracket is provided with locating slot 9, and the first elastic device 10, the both ends difference of the first elastic device are provided in locating slot
It is contacted with the first outboard flanges and oil sealing bracket.
The setting of helicla flute strengthens the sealing effect of Oil sealing assembly.When air compressor works, due to turning for screw rod
Dynamic, the oil film between screw rod lateral surface and seal cartridge medial surface generates rotation therewith, direction and spiral shell due to helicla flute
The steering of bar on the contrary, in this way, with positive screw rod rotation, oil film just moves along helicla flute to the direction far from compression chamber in casing
It is dynamic, so that the more difficult minim gap by between seal cartridge and screw rod of machine oil leaks in the compression chamber of casing,
To improve the sealing effect of Oil sealing assembly.Wherein, the setting of the first elastic device enables sealing ring to be pressed in
Between one outboard flanges and the first medial flange, to strengthen the sealing effect of sealing ring.
Preferably, the sealing device of the air compressor machine of the utility model, oil leak hole 11 is offered on the side wall of oil sealing bracket.
Oil leak hole is located at seal cartridge close to the side of compression chamber.The setting of oil leak hole, so that from seal cartridge internal leakage
Machine oil out can be expelled directly out casing, penetrate into compression chamber 12 to be effectively prevented it.
Preferably, the sealing device of the air compressor machine of the utility model, the top of oil sealing bracket is provided with claw 13.
The setting of claw enables oil sealing bracket closely to connect with transverse bearing, while alleviating oil sealing bracket
Overall weight.
Preferably, the sealing device of the air compressor machine of the utility model, further includes air seal component 14, air seal component includes close
Closing disk 15, the sealing ring 16 positioned at seal disc two sides, the lateral surface of sealing ring are equipped with the second outboard flanges 17, sealing ring it is outer
Side is also cased with the second elastic device 18, and the inside of oil sealing bracket is equipped with the second medial flange 19, in two sealing rings, one of them
The end face of sealing ring and the side of seal disc offset, and the end face of another sealing ring offsets with the second medial flange, seal disc
End face of the side also with oil sealing bracket offsets.
When practical application, air seal component is located at Oil sealing assembly close to the side of compression chamber.The components shape such as seal disc, sealing ring
At labyrinth seal structure, existing labyrinth air seal is monolithic construction, compared to existing air seal component, the utility model
Air seal component, constitute the seal disc in labyrinth and sealing ring be separate type, so that sealing ring is in quick condition, in this way
Sealing ring is just capable of the concentricity of adjust automatically and screw rod, reduces requirement of the air seal component in installation accuracy.Specifically, working as
When generating certain bias between sealing ring and screw rod, since the gap between sealing ring and screw rod is very small, rotation
Screw rod will generate radial power to sealing ring, so that it be made to restore the alignment with screw rod.Since sealing ring can be realized certainly
It is dynamic coaxial, therefore its requirement in installation accuracy is greatly reduced.When specific works, a sealing ring is in the second elastic device
Under the action of fitted closely with seal disc, while the outer rim of seal disc sealing change under the action of it is close with the end face of oil sealing bracket
Fitting, the sealing ring of the seal disc other side are then tight with the second medial flange in oil sealing bracket under the action of another elastic device
Closely connected conjunction prevents the gas in compression chamber from leaking to form labyrinth seal structure.
Preferably, the sealing device of the air compressor machine of the utility model, the first elastic device and the second elastic device are wave
Shape spring.
Preferably, the sealing device of the air compressor machine of the utility model, the surface of screw rod is coated with flexible media layer.
Preferably, the sealing device of the air compressor machine of the utility model, flexible media layer is made of teflon material.
The setting of flexible media layer can prevent from generating rigid friction between sealing ring and screw rod, prevent it from damaging or generating
Excessive heat.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, those skilled in the art can be with other specific shapes
Formula realizes the utility model.It therefore, in all respects, the embodiments should be taken as exemplary, and is non-limit
Property processed, the protection scope of the utility model is indicated by the appended claims rather than the foregoing description.
In addition, the above is only the preferred embodiment of the utility model, it is not intended to limit the utility model, it should
It points out, for those skilled in the art, without deviating from the technical principle of the utility model, may be used also
To make several improvements and modifications, these improvements and modifications also should be regarded as the protection scope of the utility model.Meanwhile it should manage
Solution, although this specification is described in terms of embodiments, but not each embodiment only includes an independent technical side
Case, this description of the specification is merely for the sake of clarity, and those skilled in the art should be whole using specification as one
Body, the technical solutions in the various embodiments may also be suitably combined, formed it will be appreciated by those skilled in the art that other implementation
Mode.
Claims (7)
1. a kind of sealing device of air compressor machine, including Oil sealing assembly, it is characterised in that: the Oil sealing assembly includes being set to air compressor machine
Oil sealing bracket in casing, the seal cartridge in oil sealing bracket, the oil sealing bracket and seal cartridge be both ends open,
The tubular structure of inner hollow, seal cartridge are sheathed on screw rod, and the medial surface of seal cartridge is equipped with helicla flute, on seal cartridge
The first outboard flanges of prominent seal cartridge lateral surface are provided with, oil sealing bracket is equipped with the first of prominent oil sealing bracket medial surface
Medial flange, is provided with sealing ring between the first medial flange and the first outboard flanges, the medial surface of oil sealing bracket is provided with fixed
Position slot, is provided with the first elastic device in the locating slot, the both ends of first elastic device respectively with the first outboard flanges
And oil sealing bracket contact.
2. the sealing device of air compressor machine according to claim 1, it is characterised in that: opened up on the side wall of the oil sealing bracket
There is oil leak hole.
3. the sealing device of air compressor machine according to claim 1, it is characterised in that: the top of the oil sealing bracket is provided with
Claw.
4. the sealing device of air compressor machine according to claim 1, it is characterised in that: further include air seal component, air seal component
Including seal disc, the sealing ring positioned at seal disc two sides, the lateral surface of sealing ring is equipped with the second outboard flanges, sealing ring it is outer
Side is also cased with the second elastic device, and the inside of the oil sealing bracket is equipped with the second medial flange, in two sealing rings, one of them
The end face of sealing ring and the side of seal disc offset, and the end face of another sealing ring offsets with second medial flange, described
End face of the side of seal disc also with the oil sealing bracket offsets.
5. the sealing device of air compressor machine according to claim 4, it is characterised in that: first elastic device and the second bullet
Property device be waveform spring.
6. the sealing device of air compressor machine according to claim 1, it is characterised in that: the surface coating of the screw rod is flexible
Dielectric layer.
7. the sealing device of air compressor machine according to claim 6, it is characterised in that: the flexible media layer is by Teflon material
Material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822245338.XU CN209294049U (en) | 2018-12-26 | 2018-12-26 | A kind of sealing device of air compressor machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822245338.XU CN209294049U (en) | 2018-12-26 | 2018-12-26 | A kind of sealing device of air compressor machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209294049U true CN209294049U (en) | 2019-08-23 |
Family
ID=67649798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822245338.XU Expired - Fee Related CN209294049U (en) | 2018-12-26 | 2018-12-26 | A kind of sealing device of air compressor machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209294049U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566459A (en) * | 2019-09-11 | 2019-12-13 | 烟台东德实业有限公司 | Hydrogen circulating pump assembly |
| CN114001159A (en) * | 2020-07-28 | 2022-02-01 | 上海汽车集团股份有限公司 | Sealing device of air compressor |
-
2018
- 2018-12-26 CN CN201822245338.XU patent/CN209294049U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566459A (en) * | 2019-09-11 | 2019-12-13 | 烟台东德实业有限公司 | Hydrogen circulating pump assembly |
| CN114001159A (en) * | 2020-07-28 | 2022-02-01 | 上海汽车集团股份有限公司 | Sealing device of air compressor |
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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: 20190823 |