CN205876717U - Helical -lobe compressor's shaft seal structure - Google Patents
Helical -lobe compressor's shaft seal structure Download PDFInfo
- Publication number
- CN205876717U CN205876717U CN201620912924.3U CN201620912924U CN205876717U CN 205876717 U CN205876717 U CN 205876717U CN 201620912924 U CN201620912924 U CN 201620912924U CN 205876717 U CN205876717 U CN 205876717U
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- CN
- China
- Prior art keywords
- groove
- main body
- helical
- urceolus
- seal structure
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- 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.)
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- Sealing Devices (AREA)
Abstract
The utility model discloses a helical -lobe compressor's shaft seal structure, including the bearing seal main part, the lower surface of connecting axle is equipped with first recess, first recess links to each other with the spheroid, the bottom of bearing seal main part is equipped with buffer, buffer is including the buffering urceolus, the inner chamber bottom of buffering urceolus is equipped with the elasticity piece, the top fixed mounting of elasticity piece has the spring, the top of spring is equipped with the backup pad, the left and right sides of backup pad all is equipped with the sliding plate, backup pad and sliding plate sliding connection, the top of backup pad is equipped with the support column. This helical -lobe compressor's shaft seal structure receives when vibrations when the bearing seal main part, and through backup pad and sliding plate sliding connection, the support column is pressed and is moved the backup pad and make the backup pad lapse, presses move spring and elasticity piece in the gliding while, restores to the throne through spring and elasticity piece messenger backup pad when vibrations disappear, and the bearing seal main part vibration from top to bottom of buffering prevents the phenomenon that lubricating oil revealed.
Description
Technical field
This utility model relates to shaft seal structure technical field, the shaft seal structure of a kind of helical-lobe compressor.
Background technology
What traditional helical-lobe compressor generally used axle sleeve and lip packing coordinates the sealing realizing countershaft external part, axle
Set is wrapped on the outer wall of axle external part, and this shaft seal structure mainly ensures to seal effect by the match grinding of lip packing Yu axle sleeve
Really, in actual use, helical-lobe compressor, due to reasons such as the vibration of system, frictions, has lubrication at drive shaft external part
It is a phenomenon generally existed, the such as patent of Patent No. 201320804182.9 that oil is revealed, including being sequentially arranged at axle
First paragraph carbon ring seal in section, second segment carbon ring seal, the 3rd section of carbon ring seal, labyrinth seal, first paragraph carbon ring seal leans on
Nearly described compression chamber, although overcome the defect of existing water vapor screw compressor poor reliability, but bearing be connected
The connection weak effect of axle, axle envelope main body damping effect is poor simultaneously, can cause oil leakage.
Utility model content
The purpose of this utility model is to provide the shaft seal structure of a kind of helical-lobe compressor, to solve in above-mentioned background technology
The problem proposed.
For achieving the above object, this utility model following technical scheme of offer: the shaft seal structure of a kind of helical-lobe compressor, bag
Including axle envelope main body, the top of described axle envelope main body is installed with bearing main body, and described bearing main body includes urceolus, described urceolus
Upper surface be provided with the second groove, the inner side of described second groove is provided with spheroid, and the inner side of described urceolus is provided with inner core, described in
The circumference of cylinder is provided with groove, and the inner side of described groove is provided with roating sphere, and the top of described bearing main body is provided with connecting shaft, described
The lower surface of connecting shaft is provided with the first groove, and described first groove is connected with spheroid, and the bottom of described axle envelope main body is provided with buffering
Device, described buffer unit includes buffering urceolus, and the inner chamber bottom of described buffering urceolus is provided with elastomer block, the top of described elastomer block
End is installed with spring, and the top of described spring is provided with gripper shoe, and the left and right sides of described gripper shoe is equipped with sliding panel, institute
Stating gripper shoe to be slidably connected with sliding panel, the top of described gripper shoe is provided with support column.
Preferably, the upper surface of described inner core is provided with cylindrical groove, and the bottom dead center position of described connecting shaft is provided with connection
Post, described connection post is connected with cylindrical groove.
Preferably, the outer wall of described buffer unit is provided with reinforcement.
Preferably, the surface of described reinforcement is provided with protecting film.
Preferably, the outside of described elastomer block is provided with base.
Compared with prior art, the beneficial effects of the utility model are: the shaft seal structure of this helical-lobe compressor, by rotating
Ball can link together urceolus with connecting shaft, drives urceolus to rotate, and inner core remains stationary as while connecting shaft rotates,
Strengthen the stability of bearing main body and connecting shaft, when axle envelope main body is given a shock, slided even with sliding panel by gripper shoe
Connecing, support column presses gripper shoe and makes gripper shoe slide downward, presses spring and elastomer block while sliding, when vibrations disappear
Making gripper shoe reset by spring and elastomer block, the axle of buffering seals the vibration that main body is upper and lower, prevents the phenomenon of oil leakage.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation；
Fig. 2 is the structural representation of this utility model buffer unit；
Fig. 3 is the structural representation of this utility model bearing main body；
Fig. 4 is the structural representation of this utility model connecting shaft.
In figure: 1, axle envelope main body, 2, bearing main body, 201, roating sphere, 202, groove, 203, urceolus, 204, spheroid, 205,
Cylindrical groove, the 206, second groove, 207, inner core, 3, connecting shaft, 4, buffer unit, 401, support column, 402, sliding panel, 403,
Spring, 404, elastomer block, 405, buffering urceolus, 406, gripper shoe, 407, base, 5, reinforcement, 6, protecting film, 7, first is recessed
Groove, 8, connect post.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under making creative work premise
The every other embodiment obtained, broadly falls into the scope of this utility model protection.
Referring to Fig. 1-4, this utility model provides a kind of technical scheme: the shaft seal structure of a kind of helical-lobe compressor, including
Axle envelope main body 1, the top of described axle envelope main body 1 is installed with bearing main body 2, and described bearing main body 2 includes urceolus 203, institute
The upper surface stating urceolus 203 is provided with the second groove 206, and the inner side of described second groove 206 is provided with spheroid 204, described urceolus 203
Inner side be provided with inner core 207, the circumference of described inner core 207 is provided with groove 202, and the inner side of described groove 202 is provided with roating sphere
201, the top of described bearing main body 2 is provided with connecting shaft 3, and the lower surface of described connecting shaft 3 is provided with the first groove 7, and described first
Groove 7 is connected with spheroid 204, and the upper surface of described inner core 207 is provided with cylindrical groove 205, the bottom center position of described connecting shaft 3
Having installed connection post 8, described connection post 8 is connected with cylindrical groove 205, can be with reinforced shaft by connecting post 8 and cylindrical groove 205
Holding the connection of main body 2 and connecting shaft 3, the bottom of described axle envelope main body 1 is provided with buffer unit 4, and described buffer unit 4 includes buffering
Urceolus 405, the inner chamber bottom of described buffering urceolus 405 is provided with elastomer block 404, and the outside of described elastomer block 404 is provided with base
407, the stability of elastomer block 404 can be strengthened by base 407, the top of described elastomer block 404 is installed with spring
403, the top of described spring 403 is provided with gripper shoe 406, and the left and right sides of described gripper shoe 406 is equipped with sliding panel 402, institute
Stating gripper shoe 406 to be slidably connected with sliding panel 402, the top of described gripper shoe 406 is provided with support column 401, when axle envelope main body 1 is subject to
To vibrations time, be slidably connected with sliding panel 402 by gripper shoe 406, support column 401 press gripper shoe 406 make gripper shoe 406 to
Lower slider, presses spring 403 and elastomer block 404 while sliding, when vibrations disappear by spring 403 and elastomer block 404
Making gripper shoe 406 reset, the vibration of the axle envelope main body about 1 of buffering, the outer wall of described buffer unit 4 is provided with reinforcement 5, logical
Crossing reinforcement 5 and can strengthen the intensity of buffer unit 4, the surface of described reinforcement 5 is provided with protecting film 6, permissible by protecting film 6
Prevent reinforcement 5 from wearing and tearing.
During use, urceolus 203 can be linked together with connecting shaft 3 by roating sphere 201, rotate in connecting shaft 3
Drive urceolus 203 to rotate simultaneously, and inner core 207 remains stationary as, and strengthens the stability of bearing main body 2 and connecting shaft 3, when axle seals
When main body 1 is given a shock, being slidably connected with sliding panel 402 by gripper shoe 406, support column 401 presses gripper shoe 406 and makes support
Plate 406 slide downward, presses spring 403 and elastomer block 404 while sliding, when vibrations disappear by spring 403 and bullet
Property block 404 make gripper shoe 406 reset, the vibration of the axle of buffering envelope main body about 1, prevent the phenomenon of oil leakage.
Embodiment the most of the present utility model, for the ordinary skill in the art,
It is appreciated that in the case of without departing from principle of the present utility model and spirit and these embodiments can be carried out multiple change, repair
Changing, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a shaft seal structure for helical-lobe compressor, seals main body including axle, it is characterised in that: the top of described axle envelope main body is fixed
Being provided with bearing main body, described bearing main body includes that urceolus, the upper surface of described urceolus are provided with the second groove, described second groove
Inner side be provided with spheroid, the inner side of described urceolus is provided with inner core, and the circumference of described inner core is provided with groove, the inner side of described groove
Being provided with roating sphere, the top of described bearing main body is provided with connecting shaft, and the lower surface of described connecting shaft is provided with the first groove, and described
One groove is connected with spheroid, and the bottom of described axle envelope main body is provided with buffer unit, and described buffer unit includes buffering urceolus, described
The inner chamber bottom of buffering urceolus is provided with elastomer block, and the top of described elastomer block is installed with spring, and the top of described spring sets
Having gripper shoe, the left and right sides of described gripper shoe to be equipped with sliding panel, described gripper shoe is slidably connected with sliding panel, described support
The top of plate is provided with support column.
The shaft seal structure of a kind of helical-lobe compressor the most according to claim 1, it is characterised in that: the upper surface of described inner core
Being provided with cylindrical groove, the bottom dead center position of described connecting shaft is provided with connection post, and described connection post is connected with cylindrical groove.
The shaft seal structure of a kind of helical-lobe compressor the most according to claim 1, it is characterised in that: outside described buffer unit
Wall is provided with reinforcement.
The shaft seal structure of a kind of helical-lobe compressor the most according to claim 3, it is characterised in that: the surface of described reinforcement
It is provided with protecting film.
The shaft seal structure of a kind of helical-lobe compressor the most according to claim 1, it is characterised in that: the outside of described elastomer block
It is provided with base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620912924.3U CN205876717U (en) | 2016-08-18 | 2016-08-18 | Helical -lobe compressor's shaft seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620912924.3U CN205876717U (en) | 2016-08-18 | 2016-08-18 | Helical -lobe compressor's shaft seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205876717U true CN205876717U (en) | 2017-01-11 |
Family
ID=57705362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620912924.3U Expired - Fee Related CN205876717U (en) | 2016-08-18 | 2016-08-18 | Helical -lobe compressor's shaft seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205876717U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108195745A (en) * | 2017-12-18 | 2018-06-22 | 浙江工贸职业技术学院 | A kind of non-inflatable tyre durability experiment machine |
-
2016
- 2016-08-18 CN CN201620912924.3U patent/CN205876717U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108195745A (en) * | 2017-12-18 | 2018-06-22 | 浙江工贸职业技术学院 | A kind of non-inflatable tyre durability experiment machine |
| CN108195745B (en) * | 2017-12-18 | 2020-05-15 | 浙江工贸职业技术学院 | Non-pneumatic tire durability testing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170111 Termination date: 20190818 |