CN203892563U - Inclined opening type sealing sleeve - Google Patents
Inclined opening type sealing sleeve Download PDFInfo
- Publication number
- CN203892563U CN203892563U CN201420221328.1U CN201420221328U CN203892563U CN 203892563 U CN203892563 U CN 203892563U CN 201420221328 U CN201420221328 U CN 201420221328U CN 203892563 U CN203892563 U CN 203892563U
- Authority
- CN
- China
- Prior art keywords
- stuffing box
- box gland
- lip portion
- sealing
- angle
- 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
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- Sealing Devices (AREA)
Abstract
The utility model provides an inclined opening type sealing sleeve. The inclined opening type sealing sleeve comprises a sealing sleeve body; two lip portions are arranged on the upper side and the lower side of the middle of the inner side of the sealing sleeve body respectively; the sealing sleeve body and the lip portions are integrally formed; an included angle formed between each lip portion and the horizontal direction is 20 to 30 degrees; two inclined opening portions are arranged on the upper side and the lower side of the inner side of the sealing sleeve body respectively; the inner lateral side which is located between the lip portions is provided with a strengthening portion. According to the inclined opening type sealing sleeve, straight openings are manufactured into inclined openings and accordingly the installation efficiency is improved and the extrusion abrasion on the sealing sleeve in the installation process is avoided and meanwhile inclined edges are manufactured into arcs and accordingly the compensation sealing effect is achieved; the strengthening portion is manufactured between the lip portions and accordingly the bulge is avoided and the sealing performance is improved; a spacer ring is manufactured on the sealing sleeve portion which is arranged at the outer edge position of each lip portion and accordingly the problem of folds of the lip portions is solved and the sealing capability is improved; the inner side of each lip portion is provided with a metal elastic part, the sealing pressure is provided through the elastic force of the elastic parts, and accordingly the sealing pressure cannot be affected by the work environment, the abrasion of a sealing ring and the aging of materials.
Description
Technical field
The utility model relates to rubber seal products field, more specifically to a kind of angle stuffing box gland.
Background technique
Lip-type packing is a kind of seal ring with self-tightening, and it relies on lip to be close to sealing male part surface, obtains sealing effect thereby block leakage.The working pressure of lip-type packing is preload pressure and hydrodynamic pressure sum, in the time that sealed medium pressure increases, lip is softened, more closely fit with sealing surface, sealing further strengthens, and in addition, lip limit cutting edge also has the effect of frizing, more strengthened the sealability of seal ring, lip-type packing can be divided into Y-shaped ring, V-type circle, U-shaped circle, L-type circle, J type circle and flower bud shape circle according to section configuration.
Lip-type packing is mainly used in reciprocating sealing, and compared with extrusion pressing type sealing as O type circle, reciprocating dynamic seal use lip-type packing combination property is better, and working life is higher.Be used for the lip-type packing of the mechanical component can be movable relatively, it comprises the pliable and tough sealing lip that a use polymer material does, lip surrounds tightly mechanical component in the scope of seal clearance under the effect of elasticity pretension, now, seal clearance longitudinally passes from swirl section at least one circumferential position, now, swirl section is by the spiral yarn shaped groove in sealing lip and the sealed delimited towards groove of mechanical component, and space and surrounding environment that this groove will seal couple together.Seal clearance is closed by a thixotropy medium in the scope of groove that defines swirl section.
Lip circle sealing, because of simple in structure, easy to maintenance, cost is low, thereby obtains more application at the centrifugal pump of slurry body.But because fed sheet of a media is the slurry containing solid particle, lip seal is easy to wear again, maintenance is frequent, especially such as 4-7kg/cm of high pressure
3, pressure filter feeding anticorrosive anti-wear pump, to more easily wearing and tearing of sealing, even will change for one week.
But in use there is following defect in existing double-lipped stuffing box gland: 1, lip cover mirror image symmetry, built in the both sides, middle part of stuffing box gland inner edge, causes stuffing box gland middle part because of stressed easy the drum in both sides, causes the decline of sealability; 2, made lip cover forms compensation cavity with stuffing box gland inner edge, can improve sealing effect, but only in the time that pressure medium is enough large, can play a role, and gauffer easily appears in a pressure medium hour lip cover, affects sealability; 3, current lip seal cover is the straight degree of lip-rounding, is unfavorable for coaxial installation.
Summary of the invention
The utility model has overcome deficiency of the prior art, and a kind of angle stuffing box gland is provided.
The purpose of this utility model is achieved by following technical proposals.
A kind of angle stuffing box gland, comprise stuffing box gland, the coaxial mirror image in the upper and lower both sides of described stuffing box gland middle inside is symmetrically arranged with two lip portions, described stuffing box gland and described lip portion are formed in one, the angle of described lip portion and substantially horizontal is 20 °-30 °, inside described stuffing box gland, the coaxial mirror image in upper and lower both sides is symmetrically arranged with two angle portions, on the inner side surface between described lip portion, is provided with reinforcing part, and the quantity of described reinforcing part is at least one.
The angle of described lip portion and substantially horizontal is 21.6 °.
Described lip portion inner side be provided with described lip portion inside the metallic elastic part that adapts of shape.
The U-shaped spring sheet that described metallic elastic part is several adjacent arrangements.
Be embedded with the metal frame for keeping described stuffing box gland shape and tension force at described stuffing box gland.
On the described stuffing box gland position corresponding with described lip portion foot, be provided with spacer ring, between described spacer ring and described lip portion, be provided with for making medium flow into the runner of described lip portion.
The hypotenuse of described angle portion is arc.
The beneficial effects of the utility model are:
1, this stuffing box gland is made angle form by straight mouthful of both sides end face inside line, can effectively improve installation efficiency, avoids the extrusion abrasion to stuffing box gland in installation process, and the hypotenuse of angle portion is done to camber, can play the effect of compensation sealing;
2, this stuffing box gland is made reinforcing part on the inner edge surface between lip portion, can effectively improve the intensity of stuffing box gland, has avoided drum, improves sealability;
3, this stuffing box gland is shaped with a spacer ring on the stuffing box gland of lip portion outer fringe position, can effectively solve the gauffer problem that lip portion occurs, improve sealability, between spacer ring and lip portion, be provided with runner, in the time that pressure medium is larger, make medium enter compensatory pressure in lip portion, improve sealing effect;
4, this stuffing box gland lip portion inner side be provided with lip portion inside the metallic elastic part that adapts of shape, utilize the elastic force of metallic elastic part that sealing load is provided, ensure that its sealing load is not subject to the wearing and tearing of working environment and seal ring and the aging impact of material, thereby widened suitable environment, improve the working life of stuffing box gland.
Brief description of the drawings
Fig. 1 is cross-sectional view of the present utility model.
In figure: 1, stuffing box gland, 2, reinforcing part, 3, angle portion, 4, lip portion, 5, spacer ring, 6, runner.
Embodiment
Below by specific embodiment, the technical solution of the utility model is further described.
Embodiment 1
A kind of angle stuffing box gland, comprise stuffing box gland 1, the stuffing box gland 1 coaxial mirror image in the upper and lower both sides of middle inside is symmetrically arranged with two lip portions 4, stuffing box gland 1 is formed in one with lip portion 4, lip portion 4 is 21.6 ° with the angle of substantially horizontal, the stuffing box gland 1 coaxial mirror image in upper and lower both sides, inner side is symmetrically arranged with two angle portions 3, on the inner side surface between lip portion 4, be provided with reinforcing part 2, the quantity of reinforcing part 2 is at least one, on the inner edge surface between lip portion 4, make reinforcing part 2, can effectively improve the intensity of stuffing box gland 1, avoid drum, improve sealability.
Lip portion 4 inner sides are provided with the metallic elastic part adapting with lip portion 4 inner side shapes; Lip portion 4 inner sides are provided with the metallic elastic part adapting with lip portion 4 inner side shapes, utilize the elastic force of metallic elastic part that sealing load is provided, ensure that its sealing load is not subject to the wearing and tearing of working environment and seal ring and the aging impact of material, thereby widened suitable environment, improve the working life of stuffing box gland 1.
Metallic elastic part is the U-shaped spring sheet of several adjacent arrangements.
Be embedded with the metal frame for keeping stuffing box gland 1 shape and tension force at stuffing box gland 1.
On the lip portion 4 outer rims position corresponding with stuffing box gland 1, be provided with spacer ring 5, between spacer ring 5 and lip portion 4, be provided with runner 6; On the stuffing box gland 1 of lip portion 4 outer fringe positions, be shaped with a spacer ring 5, can effectively solve the gauffer problem that lip portion 4 occurs, improve sealability, between spacer ring 5 and lip portion 4, be provided with runner 6, in the time that pressure medium is larger, make medium enter the interior compensatory pressure of lip portion 4, improve sealing effect.
The hypotenuse of angle portion 3 is arc.
In the present embodiment, make angle form by straight mouthful of both sides end face inside line, can effectively improve installation efficiency, avoid the extrusion abrasion to stuffing box gland in installation process, and the hypotenuse of angle portion is done to camber, can play the effect of compensation sealing.
Embodiment 2
A kind of angle stuffing box gland, comprise stuffing box gland 1, in stuffing box gland 1 middle inside, the coaxial mirror image in lower both sides is symmetrically arranged with two lip portions 4, stuffing box gland 1 is formed in one with lip portion 4, lip portion 4 is 20 ° with the angle of substantially horizontal, on stuffing box gland 1 inner side, the coaxial mirror image in lower both sides is symmetrically arranged with two angle portions 3, on the inner side surface between lip portion 4, be provided with reinforcing part 2, the quantity of reinforcing part 2 is at least one, on the inner edge surface between lip portion 4, make reinforcing part 2, can effectively improve the intensity of stuffing box gland 1, avoid drum, improve sealability, all the other settings are identical with embodiment 1.
Embodiment 3
A kind of angle stuffing box gland, comprise stuffing box gland 1, in stuffing box gland 1 middle inside, the coaxial mirror image in lower both sides is symmetrically arranged with two lip portions 4, stuffing box gland 1 is formed in one with lip portion 4, lip portion 4 is 30 ° with the angle of substantially horizontal, on stuffing box gland 1 inner side, the coaxial mirror image in lower both sides is symmetrically arranged with two angle portions 3, on the inner side surface between lip portion 4, be provided with reinforcing part 2, the quantity of reinforcing part 2 is at least one, on the inner edge surface between lip portion 4, make reinforcing part 2, can effectively improve the intensity of stuffing box gland 1, avoid drum, improve sealability, all the other settings are identical with embodiment 1.
Above three embodiments of the present utility model are had been described in detail, but described content is only preferred embodiment of the present utility model, can not be considered to for limiting practical range of the present utility model.All equalization variation and improvement etc. of doing according to the utility model application range, within all should still belonging to patent covering scope of the present utility model.
Claims (5)
1. an angle stuffing box gland, it is characterized in that: comprise stuffing box gland (1), in described stuffing box gland (1) middle inside, the coaxial mirror image in lower both sides is symmetrically arranged with two lip portions (4), described stuffing box gland (1) is formed in one with described lip portion (4), described lip portion (4) is 21.6 ° with the angle of substantially horizontal, on described stuffing box gland (1) inner side, the coaxial mirror image in lower both sides is symmetrically arranged with two angle portions (3), on the inner side surface between described lip portion (4), be provided with reinforcing part (2), the quantity of described reinforcing part (2) is at least one, described lip portion (4) inner side is provided with the metallic elastic part adapting with described lip portion (4) inner side shape.
2. angle stuffing box gland according to claim 1, is characterized in that: the U-shaped spring sheet that described metallic elastic part is several adjacent arrangements.
3. angle stuffing box gland according to claim 1 and 2, is characterized in that: be embedded with the metal frame for keeping described stuffing box gland (1) shape and tension force at described stuffing box gland (1).
4. angle stuffing box gland according to claim 3, it is characterized in that: on described stuffing box gland (1) position corresponding with described lip portion (4) foot, be provided with spacer ring (5), between described spacer ring (5) and described lip portion (4), be provided with for making medium flow into the runner (6) of described lip portion (4).
5. angle stuffing box gland according to claim 4, is characterized in that: the hypotenuse of described angle portion (3) is arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420221328.1U CN203892563U (en) | 2014-04-30 | 2014-04-30 | Inclined opening type sealing sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420221328.1U CN203892563U (en) | 2014-04-30 | 2014-04-30 | Inclined opening type sealing sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203892563U true CN203892563U (en) | 2014-10-22 |
Family
ID=51718971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420221328.1U Expired - Fee Related CN203892563U (en) | 2014-04-30 | 2014-04-30 | Inclined opening type sealing sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203892563U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105757242A (en) * | 2016-04-11 | 2016-07-13 | 安徽安凯汽车股份有限公司 | Sealing rubber strip |
-
2014
- 2014-04-30 CN CN201420221328.1U patent/CN203892563U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105757242A (en) * | 2016-04-11 | 2016-07-13 | 安徽安凯汽车股份有限公司 | Sealing rubber strip |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20141022 Termination date: 20180430 |