CN208935388U - A kind of volute spring mechanically-sealing apparatus - Google Patents
A kind of volute spring mechanically-sealing apparatus Download PDFInfo
- Publication number
- CN208935388U CN208935388U CN201821585963.2U CN201821585963U CN208935388U CN 208935388 U CN208935388 U CN 208935388U CN 201821585963 U CN201821585963 U CN 201821585963U CN 208935388 U CN208935388 U CN 208935388U
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- China
- Prior art keywords
- ring
- seal
- volute spring
- rotary shaft
- throw
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Abstract
The utility model relates to technical field of mechanical, specifically a kind of volute spring mechanically-sealing apparatus, including rotary shaft, retaining ring and gland, the retaining ring is fixedly connected on rotary shaft by the first connector, extend gland in one end of the rotary shaft, the side of the stationary ring is correspondingly provided with lantern ring, second seal is provided between the lantern ring and rotary shaft, throw-out collar is provided between the second seal and volute spring, rotating ring is additionally provided between the lantern ring and stationary ring, palette connects between the stationary ring and rotating ring.It is interference fitted between first seal and stationary ring, it is interference fitted between second seal and rotary shaft, reach sealing function, throw-out collar is pushed against using volute spring, palette between stationary ring and rotating ring is connected, realizes mechanical seal, the corresponding groove for offering accommodating throw-out collar, second seal and rotating ring in the inside of lantern ring, it is compact-sized convenient for assembly, it is easy to process.
Description
Technical field
The utility model relates to technical field of mechanical, specially a kind of volute spring mechanically-sealing apparatus.
Background technique
Have in current power plant and petrochemical industry, chemical industry for high viscosity, impure pump sealing, such sealing
Because the case where viscosity is high, media particle is big, and bellows type mechanical seal and little spring machine seal application, is not able to satisfy the demand of customers,
And some users due to be to pump earlier, pump shaft string quantity is larger, more increase bellows and little spring machine envelope application
Difficulty, so generalling use traditional big spring mechanically-sealing apparatus of similar national standard 104, the length of such mechanically-sealing apparatus now
Spend it is larger, it is stringent for requirements of installation space, it is difficult to meet the needs of all such operating conditions.
For this purpose, application No. is CN201420644022.7 to disclose a kind of volute spring mechanically-sealing apparatus, on stationary ring
Equipped with stationary ring O-ring, the ring seal of stationary ring and radial opening is fitted and connected, and rotating ring O-ring is housed between throw-out collar and rotating ring,
The slot of rotating ring is provided with volute spring, and the head end of volute spring is connect with throw-out collar, and tail end is equipped with retaining ring, is equipped with clamp screw in retaining ring
Nail.With bigger adaptability, it can be used for fresh water pump, sewage pump, immersible pump, chemical pump etc..
Inventor it has been investigated that, above scheme still has certain defect, and the O-ring for relying solely on interference fit is real
It now seals, sealing effect is undesirable, how to invent a kind of volute spring mechanically-sealing apparatus to solve these problems, and becomes this
Field technical staff's urgent problem to be solved.
Utility model content
In order to make up the above deficiency, the purpose of this utility model is to provide a kind of volute spring mechanically-sealing apparatus, with
Solve the problems mentioned above in the background art.
The technical solution of the utility model is: a kind of volute spring mechanically-sealing apparatus, including rotary shaft, retaining ring and pressure
Lid, the retaining ring are fixedly connected on rotary shaft by the first connector, and gland, the gland are extended in one end of the rotary shaft
Inside stationary ring is fixedly connected with by the second connector, first seal is additionally provided between the gland and stationary ring, it is described
Volute spring is socketed in rotary shaft on the right side of retaining ring, the side of the stationary ring is correspondingly provided with lantern ring, the lantern ring and rotary shaft
Between be provided with second seal, be provided with throw-out collar between the second seal and volute spring, the lantern ring and stationary ring it
Between be additionally provided with rotating ring, between the stationary ring and rotating ring palette connect.
As advanced optimizing for the technical program, the first seal and second seal are all made of O-shaped rubber ring,
It is interference fitted between first seal and stationary ring, is interference fitted between second seal and rotary shaft, reach sealing function.
As advanced optimizing for the technical program, first connector and the second connector are all made of lock-screw,
Retaining ring is fixedly connected on shaft by lock-screw, fixes between gland and stationary ring also by lock-screw.
As advanced optimizing for the technical program, the retaining ring corresponds to the tail end of volute spring, the corresponding cone of the throw-out collar
The head end of shape spring is pushed against throw-out collar using volute spring.
As advanced optimizing for the technical program, the inside of the lantern ring is corresponding to offer accommodating throw-out collar, the second sealing
The groove of part and rotating ring, convenient for assembly.
Compared with prior art, the utility model has the beneficial effects that a kind of volute spring mechanical seal of the utility model
Device is interference fitted between first seal and stationary ring, is interference fitted between second seal and rotary shaft, is reached sealing and is made
With, throw-out collar is pushed against using volute spring, palette between stationary ring and rotating ring is connected, realizes mechanical seal, lantern ring
The corresponding groove for offering accommodating throw-out collar, second seal and rotating ring in inside, it is compact-sized convenient for assembly, it is easy to process, have
Very high practicability.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the static-ring structure schematic diagram of the utility model；
Fig. 3 is the thimble structure schematic diagram of the utility model.
In figure: 1- rotary shaft；2- retaining ring；3- gland；4- stationary ring；5- first seal；6- lantern ring；7- volute spring；8-
Throw-out collar；9- rotating ring；10- second seal.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of volute spring mechanically-sealing apparatus, including
Rotary shaft 1, retaining ring 2 and gland 3, the retaining ring 2 are fixedly connected on rotary shaft 1 by the first connector, and the one of the rotary shaft 1
Gland 3 is extended at end, and the inside of the gland 3 is fixedly connected with stationary ring 4 by the second connector, the gland 3 and stationary ring 4 it
Between be additionally provided with first seal 5, be socketed with volute spring 7, the side of the stationary ring 4 in the rotary shaft 1 on 2 right side of retaining ring
It is correspondingly provided with lantern ring 6, second seal 10, the second seal 10 and taper are provided between the lantern ring 6 and rotary shaft 1
It is provided with throw-out collar 8 between spring 7, rotating ring 9 is additionally provided between the lantern ring 6 and stationary ring 4, is sealed between the stationary ring 4 and rotating ring 9
It is fitted and connected.
Specifically, the first seal 5 and second seal 10 are all made of O-shaped rubber ring, first seal 5 and stationary ring
It is interference fitted between 4, is interference fitted between second seal 10 and rotary shaft 1, reaches sealing function.
Specifically, first connector and the second connector are all made of lock-screw, retaining ring 2 is fixed by lock-screw
It is connected to shaft 1, is fixed between gland 3 and stationary ring 4 also by lock-screw.
Specifically, the tail end of the corresponding volute spring 7 of the retaining ring 2, the head end of the corresponding volute spring 7 of the throw-out collar 8, utilize
Volute spring 7 pushes against throw-out collar 8.
Specifically, the corresponding groove for offering accommodating throw-out collar 8, second seal 10 and rotating ring 9 in the inside of the lantern ring 6,
Convenient for assembly.
The present embodiment improves on existing volute spring mechanically-sealing apparatus when implementing, the first sealing
It is interference fitted between part 5 and stationary ring 4, is interference fitted between second seal 10 and rotary shaft 1, reaches sealing function, utilize cone
Shape spring 7 pushes against throw-out collar 8, connects palette between stationary ring 4 and rotating ring 9, realizes mechanical seal, the inside of lantern ring 6
The corresponding groove for offering accommodating throw-out collar 8, second seal 10 and rotating ring 9, it is compact-sized convenient for assembly, it is easy to process, have
Very high practicability.
The advantages of basic principles and main features and the utility model of the utility model have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (5)
1. a kind of volute spring mechanically-sealing apparatus, including rotary shaft, retaining ring and gland, it is characterised in that: the retaining ring passes through
First connector is fixedly connected on rotary shaft, and gland is extended in one end of the rotary shaft, and the inside of the gland passes through second
Connector is fixedly connected with stationary ring, and first seal, the rotation on the right side of the retaining ring are additionally provided between the gland and stationary ring
Volute spring is socketed on axis, the side of the stationary ring is correspondingly provided with lantern ring, is provided with second between the lantern ring and rotary shaft
Sealing element is provided with throw-out collar between the second seal and volute spring, rotating ring, institute are additionally provided between the lantern ring and stationary ring
Palette between stationary ring and rotating ring is stated to connect.
2. a kind of volute spring mechanically-sealing apparatus according to claim 1, it is characterised in that: the first seal and
Second seal is all made of O-shaped rubber ring.
3. a kind of volute spring mechanically-sealing apparatus according to claim 1, it is characterised in that: first connector and
Second connector is all made of lock-screw.
4. a kind of volute spring mechanically-sealing apparatus according to claim 1, it is characterised in that: the retaining ring corresponds to taper
The tail end of spring, the throw-out collar correspond to the head end of volute spring.
5. a kind of volute spring mechanically-sealing apparatus according to claim 1, it is characterised in that: the inside pair of the lantern ring
The groove of accommodating throw-out collar, second seal and rotating ring should be offered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821585963.2U CN208935388U (en) | 2018-09-28 | 2018-09-28 | A kind of volute spring mechanically-sealing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821585963.2U CN208935388U (en) | 2018-09-28 | 2018-09-28 | A kind of volute spring mechanically-sealing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208935388U true CN208935388U (en) | 2019-06-04 |
Family
ID=66722701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821585963.2U Expired - Fee Related CN208935388U (en) | 2018-09-28 | 2018-09-28 | A kind of volute spring mechanically-sealing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208935388U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115013535A (en) * | 2022-07-15 | 2022-09-06 | 江苏拓普智能科技有限公司 | Mechanical sealing device for environmental protection equipment |
-
2018
- 2018-09-28 CN CN201821585963.2U patent/CN208935388U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115013535A (en) * | 2022-07-15 | 2022-09-06 | 江苏拓普智能科技有限公司 | Mechanical sealing device for environmental protection equipment |
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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: 20190604 Termination date: 20200928 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |