CN208546524U - A kind of spring protection formula mechanical seal - Google Patents
A kind of spring protection formula mechanical seal Download PDFInfo
- Publication number
- CN208546524U CN208546524U CN201820849705.4U CN201820849705U CN208546524U CN 208546524 U CN208546524 U CN 208546524U CN 201820849705 U CN201820849705 U CN 201820849705U CN 208546524 U CN208546524 U CN 208546524U
- Authority
- CN
- China
- Prior art keywords
- spring
- ring
- axle sleeve
- seal
- sealing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims abstract description 66
- 230000006835 compression Effects 0.000 claims description 18
- 238000007906 compression Methods 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000011010 flushing procedure Methods 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 2
- 239000012535 impurity Substances 0.000 abstract description 4
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 210000000988 bone and bone Anatomy 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Mechanical Sealing (AREA)
Abstract
The utility model relates to mechanical seal fields, specifically a kind of spring protection formula mechanical seal, it include axle sleeve, spring protection mechanism and mechanical sealing mechanism, the axle sleeve is equipped with seal receptacle, the first sealing ring is arranged on the seal receptacle, the mechanical sealing mechanism includes rotating ring, stationary ring, second sealing ring and third sealing ring, the right end of the stationary ring is equipped with throw-out collar, the spring protection mechanism includes locating piece, spring and the spring base being fixedly connected with seal receptacle, the 4th sealing ring is equipped between the seal receptacle and spring base, the locating piece is arranged between spring base and axle sleeve.The utility model has the beneficial effects that can be sealed to axle sleeve by mechanical sealing mechanism; spring protecting jacket can protect spring; prevent impurity spring blocking from influencing the work of spring; and spring protecting jacket, stationary ring, protection sealing ring and spring base are capable of forming a wall, protect to spring.
Description
Technical field
The utility model relates to mechanical seal field, specifically a kind of spring protection formula mechanical seal.
Background technique
Mechanical seal is also known as end face seal, is a kind of device that limitation working fluid is leaked along rotary shaft, usually by rotating
The composition such as ring, stationary ring, elastic element and auxiliary seal ring.When work, two of rotating ring and stationary ring relative rotation are utilized
Coating surface and auxiliary seal realize the function of its sealing, and the abrasion of sealing surface can be compensated automatically by elastic element.
When elastic element is spring, it is desirable that spring can be pressed effectively always on compensation ring, to ensure sealed pressure.
The structure type of mechanical seal has various according to the difference of the requirements such as working fluid medium, sealed pressure, temperature and leakage rate
Form, when cleaning to mechanical seal, the medium of impurity or leakage in water can result in blockage to spring, influence bullet
Spring is flexible to make spring that can not carry out the phenomenon that following compensation sealing, making seal failure generation.
Utility model content
The purpose of this utility model is to provide a kind of spring protection formula mechanical seals, to solve to mention in above-mentioned background technique
Out the problem of.
The technical solution of the utility model is: including axle sleeve, spring protection mechanism and mechanical sealing mechanism, the axle sleeve
It is equipped with seal receptacle, the left end of axle sleeve is arranged in the mechanical sealing mechanism, and the spring protection mechanism is arranged in mechanical seal
The right end of mechanism is arranged with the first sealing ring on the seal receptacle, and the mechanical sealing mechanism includes rotating ring, stationary ring, second
Sealing ring and third sealing ring, the stationary ring are arranged in the right end of rotating ring, the second sealing ring setting rotating ring and axle sleeve it
Between, the third sealing ring is arranged between stationary ring and seal receptacle, and the right end of the stationary ring is equipped with throw-out collar, the spring protection machine
Structure includes locating piece, spring and the spring base being fixedly connected with seal receptacle, and the 4th is equipped between the seal receptacle and spring base
Sealing ring, the spring are arranged between throw-out collar and seal receptacle, and the locating piece is arranged between spring base and axle sleeve.
In one preferred embodiment of the utility model, the spring base is equipped with spring protecting jacket, the stationary ring and spring
It is equipped with protection sealing ring between protective case, the 5th sealing ring is equipped between the rotating ring and axle sleeve.
In one preferred embodiment of the utility model, hexagonal cylindrical head in first is equipped between the locating piece and spring base
Screw is equipped with the second hexagon socket cap head screw between the seal receptacle and spring base.
In one preferred embodiment of the utility model, the right end of the axle sleeve is equipped with spaced first compression ring and the
Two compression rings are equipped with pressing sleeve, pass through between first compression ring and the second compression ring between first compression ring and axle sleeve
Hexagon-headed bolt connection, the axle sleeve are equipped with the 6th sealing ring.
In one preferred embodiment of the utility model, outside framework oil seal, the spring are equipped between the spring base and axle sleeve
The right end of seat is equipped with the oil seal cover to be protected to outside framework oil seal, heavy equipped with cross recess between the oil seal cover and spring base
Head screw.
In one preferred embodiment of the utility model, the spring base be equipped with outer flushing water out and outer flushing water into
Mouthful.
The utility model provides a kind of spring protection formula mechanical seal herein and has compared with prior art by improving
Following improvement and advantage: axle sleeve can be sealed by mechanical sealing mechanism, spring protecting jacket can protect spring
Shield, prevents impurity spring blocking from influencing the work of spring, and protection sealing ring is used for close to carrying out between stationary ring and spring protecting jacket
Envelope, and spring protecting jacket, stationary ring, protection sealing ring and spring base are capable of forming a wall, protect, avoid to spring
Spring can not carry out following compensation, make the seal failure of the present apparatus.
Detailed description of the invention
The utility model is further explained with reference to the accompanying drawings and examples:
Fig. 1 is the cross-sectional view of the utility model；
Fig. 2 is the enlarged drawing in Fig. 1 at A；
Description of symbols: the 6th sealing ring 1, rotating ring 2, the 5th sealing ring 3, stationary ring 4, third sealing ring 5, throw-out collar 6, the
Four sealing rings 7, the first sealing ring 8, seal receptacle 9, the second hexagon socket cap head screw 10, the first hexagon socket cap head screw 11,
Hexagon-headed bolt 12, locating piece 13, spring 14, spring protecting jacket 15, pressing sleeve 16, the first compression ring 17, outside framework oil seal 18, axle sleeve
19, protection sealing ring 20, spring base 21, cross recessed countersunk head sscrew 22, oil seal cover 23, the second compression ring 24, the second sealing ring 25,
Spring protection mechanism 26, mechanical sealing mechanism 27.
Specific embodiment
The utility model is described in detail below in conjunction with attached drawing 1 to Fig. 2, to the skill in the utility model embodiment
Art scheme is clearly and completely described, it is clear that and the described embodiments are only a part of the embodiments of the utility model, and
The embodiment being not all of.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creativeness
Every other embodiment obtained, fall within the protection scope of the utility model under the premise of labour.
The utility model provides a kind of spring protection formula mechanical seal herein and includes as Figure 1-Figure 2 by improving
Axle sleeve 19, spring protection mechanism 26 and mechanical sealing mechanism 27, the axle sleeve 19 are equipped with seal receptacle 9, the mechanical seal machine
The left end of axle sleeve 19 is arranged in structure 27, and the right end of mechanical sealing mechanism 27, the sealing is arranged in the spring protection mechanism 26
It is arranged with the first sealing ring 8 on seat 9, the mechanical sealing mechanism 27 includes rotating ring 2, stationary ring 4, the second sealing ring 25 and third
The right end of rotating ring 2 is arranged in sealing ring 5, the stationary ring 4, and second sealing ring 25 is arranged between rotating ring 2 and axle sleeve 19, institute
It states third sealing ring 5 to be arranged between stationary ring 4 and seal receptacle 9, the right end of the stationary ring 4 is equipped with throw-out collar 6, the spring protection machine
Structure 26 includes locating piece 13, spring 14 and the spring base 21 being fixedly connected with seal receptacle 9, the seal receptacle 9 and spring base 21
Between be equipped with the 4th sealing ring 7, the spring 14 is arranged between throw-out collar 6 and seal receptacle 9, and the locating piece 13 is arranged in spring
Between seat 21 and axle sleeve 19, mechanical sealing mechanism 27 can be sealed axle sleeve 19 during the work time, and locating piece 13 is arranged
Between spring base 21 and axle sleeve 19, play the role of positioning, throw-out collar 6 is used to play the role of stationary ring 4 anti-rotation, cooperates bullet
Spring 14 can make stationary ring 4 follow compensation, and spring protecting jacket 15, stationary ring 4, protection sealing ring 20 and spring base 21 are capable of forming one
Wall protects spring 14.
The spring base 21 is equipped with spring protecting jacket 15, and it is close that protection is equipped between the stationary ring 4 and spring protecting jacket 15
Seal 20 is equipped with the 5th sealing ring 3 between the rotating ring 2 and axle sleeve 19, spring protecting jacket 15 can protect spring 14,
Prevent impurity spring blocking 14 from influencing the work of spring 14, protection sealing ring 20 is used between stationary ring 4 and spring protecting jacket 15
It is sealed, the 5th sealing ring 3 is used to make the sealing between rotating ring 2 and axle sleeve 19 to medium.
The first hexagon socket cap head screw 11, the seal receptacle 9 and bullet are equipped between the locating piece 13 and spring base 21
The second hexagon socket cap head screw 10 is equipped between spring abutment 21, the first hexagon socket cap head screw 11 is for making locating piece 13 and bullet
Spring abutment 21 is fixedly connected, and the second hexagon socket head cap screw is for being fixedly connected with seal receptacle 9 with spring base 21.
The right end of the axle sleeve 19 is equipped with spaced first compression ring 17 and the second compression ring 24, and described first compresses
It is equipped with pressing sleeve 16 between ring 17 and axle sleeve 19, passes through hexagon-headed bolt 12 between first compression ring 17 and the second compression ring 24
Connection, the axle sleeve 19 are equipped with the 6th sealing ring 1, and the first compression ring 17 and the second compression ring 24 play locking transmitting power
Effect, the 6th sealing ring 1 is used for carrying out mechanical seal between axle sleeve 19 and pump housing output shaft.
Outside framework oil seal 18 is equipped between the spring base 21 and axle sleeve 19, the right end of the spring base 21 is equipped with to bone
The oil seal cover 23 that frame oil sealing 18 is protected is equipped with cross recessed countersunk head sscrew 22, bone between the oil seal cover 23 and spring base 21
Frame oil sealing 18 plays the role of washing by water outside auxiliary seal, and for oil seal cover 23 for protecting to outside framework oil seal 18, cross recess is heavy
Head screw 22 is for connecting oil seal cover 23 with spring base 21.
Claims (6)
1. a kind of spring protection formula mechanical seal, it is characterised in that: include axle sleeve (19), spring protection mechanism (26) and machinery
Sealing mechanism (27), the axle sleeve (19) are equipped with seal receptacle (9), and the mechanical sealing mechanism (27) is arranged in axle sleeve (19)
Left end, the spring protection mechanism (26) setting are arranged with the on the seal receptacle (9) in the right end of mechanical sealing mechanism (27)
One sealing ring (8), the mechanical sealing mechanism (27) include that rotating ring (2), stationary ring (4), the second sealing ring (25) and third are close
Seal (5), stationary ring (4) setting is in the right end of rotating ring (2), and the second sealing ring (25) setting is in rotating ring (2) and axle sleeve
(19) between, the third sealing ring (5) is arranged between stationary ring (4) and seal receptacle (9), and the right end of the stationary ring (4) is equipped with
Throw-out collar (6), the spring protection mechanism (26) include locating piece (13), spring (14) and are fixedly connected with seal receptacle (9)
Spring base (21), is equipped with the 4th sealing ring (7) between the seal receptacle (9) and spring base (21), spring (14) setting exists
Between throw-out collar (6) and seal receptacle (9), the locating piece (13) is arranged between spring base (21) and axle sleeve (19).
2. spring protection formula mechanical seal according to claim 1, it is characterised in that: the spring base (21) is equipped with bullet
Spring protective case (15), between the stationary ring (4) and spring protecting jacket (15) be equipped with protection sealing ring (20), the rotating ring (2) with
The 5th sealing ring (3) is equipped between axle sleeve (19).
3. spring protection formula mechanical seal according to claim 1, it is characterised in that: the locating piece (13) and spring base
(21) the first hexagon socket cap head screw (11) are equipped between, are equipped in second between the seal receptacle (9) and spring base (21)
Hexagonal cylindrical head screw (10).
4. spring protection formula mechanical seal according to claim 1, it is characterised in that: the right end of the axle sleeve (19) is equipped with
Spaced first compression ring (17) and the second compression ring (24) are equipped between first compression ring (17) and axle sleeve (19)
Pressing sleeve (16) is connected between first compression ring (17) and the second compression ring (24) by hexagon-headed bolt (12), the axis
It covers (19) and is equipped with the 6th sealing ring (1).
5. spring protection formula mechanical seal according to claim 1, it is characterised in that: the spring base (21) and axle sleeve
(19) outside framework oil seal (18) are equipped between, the right end of the spring base (21) is equipped with to be protected to outside framework oil seal (18)
Oil seal cover (23) is equipped with cross recessed countersunk head sscrew (22) between the oil seal cover (23) and spring base (21).
6. spring protection formula mechanical seal according to claim 1, it is characterised in that: the spring base (21) is equipped with outer
Rinse water out and outer flushing water inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820849705.4U CN208546524U (en) | 2018-06-04 | 2018-06-04 | A kind of spring protection formula mechanical seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820849705.4U CN208546524U (en) | 2018-06-04 | 2018-06-04 | A kind of spring protection formula mechanical seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208546524U true CN208546524U (en) | 2019-02-26 |
Family
ID=65421215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820849705.4U Expired - Fee Related CN208546524U (en) | 2018-06-04 | 2018-06-04 | A kind of spring protection formula mechanical seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208546524U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111396561A (en) * | 2020-04-01 | 2020-07-10 | 安徽亚兰密封件有限公司 | Mechanical sealing device for powder |
-
2018
- 2018-06-04 CN CN201820849705.4U patent/CN208546524U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111396561A (en) * | 2020-04-01 | 2020-07-10 | 安徽亚兰密封件有限公司 | Mechanical sealing device for powder |
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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: 20190226 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |