CN210050283U - Sealing ring for butt joint of elastic corrugated pipes - Google Patents
Sealing ring for butt joint of elastic corrugated pipes Download PDFInfo
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- CN210050283U CN210050283U CN201920305519.9U CN201920305519U CN210050283U CN 210050283 U CN210050283 U CN 210050283U CN 201920305519 U CN201920305519 U CN 201920305519U CN 210050283 U CN210050283 U CN 210050283U
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- ring
- sealing
- sealing ring
- bellows
- flange
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Abstract
The utility model relates to a sealing ring for butt joint of elastic corrugated pipes, which comprises a sealing ring main body, wherein the sealing ring main body comprises a solid sealing ring and a hollow sealing ring, the solid sealing ring comprises an inner ring with an inverted trapezoidal longitudinal section and an outer ring with a regular trapezoidal longitudinal section, the inner surface of the inner ring is provided with a groove with a semicircular longitudinal section, the outer surface of the outer ring is provided with a groove with a segmental longitudinal section, and the hollow sealing ring is arranged in the groove of the outer ring; the utility model discloses a sealing washer transmits the inner circle for the extrusion of solid seal circle outer lane through sealing sleeve, and contact formation between inner circle and the bellows is sealed, has set up a hollow seal circle again between outer lane and the sealing sleeve, compensates when the bellows shrink, avoids solid seal circle to warp excessively, is worth wideling popularize.
Description
Technical Field
The utility model belongs to the technical field of the bellows, concretely relates to sealing washer is used in butt joint of elasticity bellows.
Background
High Density Polyethylene (HDPE) double-wall corrugated pipe is abbreviated as PE corrugated pipe. The HDPE double-wall corrugated pipe is a novel pipe with an outer wall with an annular structure and a smooth inner wall, and is firstly developed in Germany in the early 80 s. After more than ten years of development and improvement, the product series is developed from a single variety to a complete product series. The production process and the use technology are well mature. Due to the excellent performance and the relatively economic cost, the material is widely applied at home and abroad; the double-wall corrugated pipe is a novel light pipe made of high-density polyethylene, has the characteristics of light weight, high pressure resistance, good toughness, quick construction, long service life and the like, and has an excellent pipe wall structure design, so that the cost is greatly reduced compared with pipes of other structures. And the connection is convenient and reliable, so the connector is widely applied at home and abroad.
The double-wall corrugated pipe in the field of pipeline drainage generally adopts a rubber sealing ring sealing interface mode, but the sealing ring structure in the prior art is simpler, and the reliability of sealing by only the sealing ring is poorer.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can cooperate the packing to realize more reliable sealed sealing washer for the butt joint of elasticity bellows in order to solve above-mentioned problem.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
a sealing ring for butt joint of elastic corrugated pipes comprises a sealing ring main body, wherein the sealing ring main body comprises a solid sealing ring and a hollow sealing ring, the solid sealing ring comprises an inner ring with an inverted trapezoidal longitudinal section and an outer ring with a regular trapezoidal longitudinal section, a groove with a semicircular longitudinal section is formed in the inner surface of the inner ring, a groove with a segmental longitudinal section is formed in the outer surface of the outer ring, and the hollow sealing ring is arranged in the groove of the outer ring;
the sealing washer main part is located between bellows and the sealing sleeve on right side, sealing sleeve's left end cover is on the bellmouth of left bellows to link firmly with the bellmouth of left bellows, the socket of the bellows on right side inserts in the bellmouth of left bellows, be equipped with the packing chamber between the right part of the bellmouth of left bellows and the socket of the bellows on right side, the right-hand member of bellmouth is equipped with first flange, be equipped with the gland in the packing chamber, the right-hand member of gland is equipped with the second flange, first flange and the cooperation of second flange.
As a further optimization scheme of the utility model, solid seal ring formula structure as an organic whole, and solid seal ring and hollow seal ring also can be the integral type structure.
As a further optimization scheme of the utility model, chamfers matched with wave crests of the corrugated pipe are arranged on two sides of the outer part of the inner ring; the solid sealing ring is more closely matched with the corrugated pipe.
As the utility model discloses a further optimization scheme, the recess on inner circle and the outer lane is the annular.
As a further optimization scheme of the utility model, solid seal circle and bellows and sealing sleeve interference fit, hollow seal circle and solid seal circle and sealing sleeve interference fit.
As the utility model discloses a further optimization scheme, be equipped with a plurality of screws of mutually supporting on first flange and the second flange, link firmly through the bolt between first flange and the second flange.
As a further optimization scheme of the utility model, the packing is packed in the left packing chamber of gland.
As the utility model discloses a further optimization scheme, the gland is whole to be the cylindric, and the center is equipped with socket clearance fit's through-hole, gland and bellmouth intermittent type cooperation.
The beneficial effects of the utility model reside in that:
1) the utility model discloses a sealing washer transmits the extrusion of solid seal circle outer lane to the inner circle through the sealing sleeve, forms sealedly by the contact between inner circle and the bellows, has set up a hollow seal circle again between outer lane and the sealing sleeve, compensates when the bellows contracts, avoids the solid seal circle to warp excessively;
2) the utility model arranges a packing cavity between the socket and the spigot of the connecting structure of the corrugated pipe, and utilizes the gland and the packing to enhance the sealing between the corrugated pipe and keep the sealing from another measure;
3) the utility model discloses simple structure, stability is high, reasonable in design.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is an enlarged view at A of FIG. 1;
fig. 3 is an enlarged view of fig. 1 at B.
In the figure: the sealing ring comprises a sealing ring main body 1, a solid sealing ring 2, a hollow sealing ring 3, an inner ring 2-1, an outer ring 2-2, a corrugated pipe 10, a sealing sleeve 11, sealing filler 12, a bell mouth 13, a spigot 14, a filler cavity 15, a first flange 16, a gland 17 and a second flange 18.
Detailed Description
The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention; in the description of the present invention, "a plurality" or "a plurality" means two or more unless otherwise specified.
As shown in fig. 1-3, a sealing ring for butting of elastic corrugated pipes comprises a sealing ring main body 1, wherein the sealing ring main body 1 comprises a solid sealing ring 2 and a hollow sealing ring 3, the solid sealing ring 2 comprises an inner ring 2-1 with an inverted trapezoidal longitudinal section and an outer ring 2-2 with a regular trapezoidal longitudinal section, a groove with a semicircular longitudinal section is formed in the inner surface of the inner ring 2-1, a groove with a segmental longitudinal section is formed in the outer surface of the outer ring 2-2, and the hollow sealing ring 3 is arranged in the groove of the outer ring 2-2;
the sealing ring main body 1 is positioned between the right corrugated pipe 10 and the sealing sleeve 11, the left end of the sealing sleeve 11 is sleeved on the bell mouth 13 of the left corrugated pipe 10 and is fixedly connected with the bell mouth 13 of the left corrugated pipe 10, the socket 14 of the right corrugated pipe 10 is inserted into the bell mouth 13 of the left corrugated pipe 10, a packing cavity 15 is arranged between the right part of the bell mouth 13 of the left corrugated pipe 10 and the socket 14 of the right corrugated pipe 10, a first flange 16 is arranged at the right end of the bell mouth 13, a gland 17 is arranged in the packing cavity 15, a second flange 18 is arranged at the right end of the gland 17, and the first flange 16 is matched with the second flange 18.
As described above, the solid seal ring 2 is an integrated structure, and the solid seal ring 2 and the hollow seal ring 3 may be an integrated structure.
And chamfers matched with wave crests of the corrugated pipe 10 are arranged on two sides of the outer part of the inner ring 2-1. The solid sealing ring 2 is matched with the corrugated pipe 10 more tightly.
The grooves on the inner ring 2-1 and the outer ring 2-2 are all ring grooves.
Above-mentioned, hollow seal 3 is hollow structure, and inside is equipped with annular cavity.
Above-mentioned, solid sealing washer 2 and bellows 10 and sealing sleeve 11 interference fit, hollow seal 3 and solid sealing washer 2 and sealing sleeve 11 interference fit.
The first flange 16 and the second flange 18 are provided with a plurality of screw holes matched with each other, and the first flange 16 and the second flange 18 are fixedly connected through bolts.
The packing chamber 15 on the left side of the gland 17 is filled with the packing 12.
The gland 17 is cylindrical as a whole, a through hole in clearance fit with the socket 14 is formed in the center, and the gland 17 is intermittently matched with the socket 13.
It should be noted that the structure and the matching of the socket 13 and the spigot 14 are the prior art, and are not described herein again, and the material of the seal ring main body 1 is the prior art and is the same as that of the prior art.
The utility model discloses a structural feature and theory of operation: firstly, the sealing ring extrudes the outer ring 2-2 of the solid sealing ring 2 through the sealing sleeve 11 and transmits the outer ring to the inner ring 2-1, the inner ring 2-1 is in contact with the corrugated pipe 10 to form sealing, a hollow sealing ring 3 is arranged between the outer ring 2-2 and the sealing sleeve 11, the hollow sealing ring 3 has larger expansion amount, the solid sealing ring 2 is extruded from two sides when the corrugated pipe 10 contracts, at the moment, the larger expansion amount of the hollow sealing ring 3 is utilized for compensation, and the solid sealing ring 2 is prevented from excessively deforming;
the utility model discloses set up packing chamber 15 between bellmouth 13 and the socket 14 of the connection structure of bellows 10, utilize gland 17 and the sealed between the filler reinforcing bellows 10, play similar packing box's effect, keep sealed from another heavy measure.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (8)
1. The utility model provides a sealing washer is used in butt joint of elasticity bellows, includes the sealing washer main part, its characterized in that: the sealing ring main body comprises a solid sealing ring and a hollow sealing ring, the solid sealing ring comprises an inner ring with an inverted trapezoidal longitudinal section and an outer ring with a regular trapezoidal longitudinal section, a groove with a semicircular longitudinal section is formed in the inner surface of the inner ring, a groove with a segmental longitudinal section is formed in the outer surface of the outer ring, and the hollow sealing ring is arranged in the groove of the outer ring;
the sealing washer main part is located between bellows and the sealing sleeve on right side, sealing sleeve's left end cover is on the bellmouth of left bellows to link firmly with the bellmouth of left bellows, the socket of the bellows on right side inserts in the bellmouth of left bellows, be equipped with the packing chamber between the right part of the bellmouth of left bellows and the socket of the bellows on right side, the right-hand member of bellmouth is equipped with first flange, be equipped with the gland in the packing chamber, the right-hand member of gland is equipped with the second flange, first flange and the cooperation of second flange.
2. The seal ring for butting of elastic corrugated pipes as claimed in claim 1, wherein: the solid sealing ring is of an integrated structure.
3. The seal ring for butting of elastic corrugated pipes as claimed in claim 1, wherein: and chamfers matched with wave crests of the corrugated pipe are arranged on two sides of the outer part of the inner ring.
4. The seal ring for butting of elastic corrugated pipes as claimed in claim 1, wherein: and the grooves on the inner ring and the outer ring are annular grooves.
5. The seal ring for butting of elastic corrugated pipes as claimed in claim 1, wherein: the solid sealing ring is in interference fit with the corrugated pipe and the sealing sleeve, and the hollow sealing ring is in interference fit with the solid sealing ring and the sealing sleeve.
6. The seal ring for butting of elastic corrugated pipes as claimed in claim 1, wherein: and the first flange and the second flange are provided with a plurality of screw holes which are matched with each other, and the first flange and the second flange are fixedly connected through bolts.
7. The seal ring for butting of elastic corrugated pipes as claimed in claim 1, wherein: and a packing cavity on the left side of the gland is filled with sealing packing.
8. The seal ring for butting of elastic corrugated pipes as claimed in claim 1, wherein: the whole gland is in a cylindrical shape, a through hole in clearance fit with the socket is formed in the center of the gland, and the gland is intermittently matched with the socket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920305519.9U CN210050283U (en) | 2019-03-11 | 2019-03-11 | Sealing ring for butt joint of elastic corrugated pipes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920305519.9U CN210050283U (en) | 2019-03-11 | 2019-03-11 | Sealing ring for butt joint of elastic corrugated pipes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210050283U true CN210050283U (en) | 2020-02-11 |
Family
ID=69377274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920305519.9U Active CN210050283U (en) | 2019-03-11 | 2019-03-11 | Sealing ring for butt joint of elastic corrugated pipes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210050283U (en) |
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2019
- 2019-03-11 CN CN201920305519.9U patent/CN210050283U/en active Active
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