CN215335126U - Straight pipe pressure balance type corrugated compensator - Google Patents
Straight pipe pressure balance type corrugated compensator Download PDFInfo
- Publication number
- CN215335126U CN215335126U CN202120395167.8U CN202120395167U CN215335126U CN 215335126 U CN215335126 U CN 215335126U CN 202120395167 U CN202120395167 U CN 202120395167U CN 215335126 U CN215335126 U CN 215335126U
- Authority
- CN
- China
- Prior art keywords
- flange
- corrugated pipe
- corrugated
- pipe
- sleeve
- 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.)
- Active
Links
Images
Landscapes
- Joints Allowing Movement (AREA)
Abstract
A straight pipe pressure balance type corrugated compensator comprises a first corrugated pipe and a first flange, wherein the first corrugated pipe is connected with an outer sleeve, a plurality of first screw rods are arranged on a first flange of the outer sleeve, a second flange connected with one end of the inner sleeve in the outer sleeve is arranged at one end of the inner sleeve, a first ring plate is arranged at the other end of the inner sleeve, a second corrugated pipe is arranged between a second ring plate of the outer sleeve and the first ring plate, a plurality of sealing packing and sealing gland are arranged on the outer side of the second ring plate, a plurality of second screw rods are arranged on the second flange, a limiting plate is arranged on the second screw rods, the integral sealing is reliable, the balance positioning of the first corrugated pipe and the second corrugated pipe is realized by the plurality of first screw rods and second bolts respectively, the distance change of the first flange and the second flange under the stress of a pipeline is adapted through the corresponding telescopic change of the first corrugated pipe on the outer part and the first corrugated pipe on the inner wall, and the first ring plate and the outer sleeve slide relatively, the pipeline deformation and stress are quickly balanced, and the sensitivity, pressure resistance and reliability of pipeline compensation are improved.
Description
Technical Field
The utility model relates to a straight pipe pressure balance type corrugated compensator, and belongs to the technical field of corrugated compensators.
Background
The corrugated pipe compensator is an expansion joint made of metal corrugated pipes, can be stretched along the axial direction by utilizing the elastic energy of the corrugated pipe compensator, is used for performing axial length compensation on a pipeline due to thermal deformation, mechanical deformation and various mechanical vibrations, and plays roles in reducing the deformation of the pipeline, prolonging the service life of the pipeline and reducing noise and shock. The compensator among the prior art generally sets up the protection ring or the flange structure of integral type or split connection at bellows both ends, passes the axial direction that the flange structure realized flexible in-process through the direction pull rod to can make external pressure type ripple compensator's relative slip more stable through the inside and outside cover pipe relative slip of the straight tube of flange joint, but the flexible surplus of compensator of single external pressure ripple structure is limited, and motion pressure resistance and balanced sensitivity are not enough, thereby influence application range.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a straight pipe pressure balance type corrugated compensator which is reliable in overall sealing, adapts to the change of the distance between a first flange and a second flange, which is stressed by a pipeline, through the corresponding expansion change of an external first corrugated pipe and an inner wall first corrugated pipe, quickly balances the deformation and the stress of the pipeline and is beneficial to improving the sensitivity, the pressure resistance and the reliability of pipeline compensation.
The utility model is realized by the following technical scheme:
a straight pipe pressure balance type corrugated compensator comprises a first corrugated pipe and a first flange connected with one end of the first corrugated pipe, wherein the other end of the first corrugated pipe is provided with a connected outer sleeve, the two ends of the outer sleeve are provided with a first flange and a second flange, the first flange is provided with a plurality of first screw rods which vertically penetrate through the first flange, an inner sleeve is arranged inside the outer sleeve, one end of the inner sleeve is provided with a connected second flange, and the other end of the inner sleeve is provided with a first annular plate of which the outer wall is in sliding fit with the inner wall of the outer sleeve;
the cross sections of two ends of the first corrugated pipe are of L-shaped structures, sealing rings are arranged between the first corrugated pipe and the first flange, a plurality of bolts are arranged between the first corrugated pipe and the first flange as well as between the first corrugated pipe and the first flange;
a second annular plate is arranged on the inner wall of the outer sleeve, a second corrugated pipe located between the inner sleeve and the outer sleeve is arranged between the second annular plate and the first annular plate, a plurality of sealing packing positioned outside the inner sleeve and a sealing gland positioned on one side of the outer sleeve are arranged on the outer side of the second annular plate, a plurality of second screws penetrating through the sealing gland and a second flange are arranged on the second flange, limiting plates positioned on the outer sides of the sealing glands are arranged on the second screws, and limiting nuts are arranged at two ends of each of the second screws and two ends of each of the first screws;
the corrugated pipe is characterized in that a plurality of triangular reinforcing ribs are arranged between the first flange and the outer wall of the outer sleeve at intervals, a plurality of reinforcing rings are arranged on the outer wall of the first corrugated pipe and the outer wall of the second corrugated pipe at intervals, the cross sections of the reinforcing rings are arc-shaped structures, and the end faces of the first flange and the second flange are provided with convex rings with cross sections in right-angle trapezoidal structures.
The utility model has the beneficial effects that:
(1) the two ends of the first corrugated pipe are hermetically assembled with the first flange and the first flange through the sealing rings, the outer sleeve and the inner sleeve are hermetically connected through a plurality of sealing packing rings pressed by the sealing pressing covers, and the balance positioning of the first corrugated pipe and the second corrugated pipe is respectively realized through a plurality of first screw rods and second bolts, so that the integral sealing is reliable, and the connection is convenient;
(2) when the pipeline is heated to generate deformation and extrude the first flange and the second flange, the first flange extrudes the first corrugated pipe and acts on the outer sleeve by elastic restoring force, the second flange drives the inner sleeve and the first annular plate to slide relative to the outer sleeve, and the second corrugated pipe is reliably propped against the first annular plate and the second annular plate by thermal expansion to quickly balance thermal stress change; when the pipeline is in cold contraction to generate tension, the first flange pulls the first corrugated pipe and the outer sleeve to be linked, the first ring plate and the second ring plate extrude the second corrugated pipe, and the outer sleeve and the inner sleeve move relatively and quickly and balance to play a compensation role;
the distance change of the first flange and the second flange, which is stressed by the pipeline, is adapted to the corresponding telescopic change of the first external corrugated pipe and the first inner wall corrugated pipe, so that the deformation and the stress of the pipeline are quickly balanced, and the sensitivity, the pressure resistance and the reliability of pipeline compensation are improved.
Drawings
Fig. 1 is a bottom perspective view of the present invention.
Fig. 2 is a top perspective view of the present invention.
FIG. 3 is a top view of the present invention.
Fig. 4 is a cross-sectional view in the direction AA of fig. 3.
The labels in the figure are: the corrugated pipe comprises a first corrugated pipe 1, a first flange 2, an outer sleeve 3, a first flange 4, a second flange 5, a first screw rod 6, an inner sleeve 7, a second flange 8, a first ring plate 9, a sealing ring 10, a bolt 11, a abdicating notch 12, a supporting pipe 13, a second ring plate 14, a second corrugated pipe 15, a sealing packing 16, a sealing gland 17, a second screw rod 18, a limiting plate 19, a limiting nut 20, a triangular reinforcing rib 21, a reinforcing ring 22 and a convex ring 23.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
A straight pipe pressure balance type corrugated compensator comprises a first corrugated pipe 1 and a first flange 2 connected with one end of the first corrugated pipe 1, wherein the other end of the first corrugated pipe 1 is provided with a connected outer sleeve 3, two ends of the outer sleeve 3 are provided with a first flange 4 and a second flange 5, the first flange 4 is provided with a plurality of first screws 6 vertically penetrating through the first flange 2, an inner sleeve 7 is arranged inside the outer sleeve 3, one end of the inner sleeve 7 is provided with a connected second flange 8, and the other end of the inner sleeve 7 is provided with a first annular plate 9 of which the outer wall is in sliding fit with the inner wall of the outer sleeve 3;
the cross sections of two ends of the first corrugated pipe 1 are of an L-shaped structure, a sealing ring 10 is arranged between the first corrugated pipe 1 and the first flange 2 as well as between the first corrugated pipe 1 and the first flange 4, a plurality of bolts 11 are arranged between the first corrugated pipe 1 and the first flange 2 as well as between the first corrugated pipe 1 and the first flange 4, a plurality of abdicating notches 12 are arranged at one end of the first corrugated pipe 1 close to the first flange 2, and a supporting pipe 13 in clearance fit with the inner wall of the first corrugated pipe 1 is arranged on the inner wall of the first flange 2;
a second annular plate is arranged on the inner wall of the outer sleeve 3, a second corrugated pipe 15 located between the inner sleeve 7 and the outer sleeve 3 is arranged between the second annular plate and the first annular plate 9, the section of the first annular plate 9 is of an inverted L-shaped structure, the section of the end part of the second corrugated pipe 15 is of an L-shaped structure and is located on the inner side of the first annular plate 9, a plurality of sealing packing 16 located outside the inner sleeve 7 and a sealing gland 17 located on one side of the outer sleeve 3 are arranged on the outer side of the second annular plate, the section of the sealing gland 17 is of an L-shaped structure, a plurality of second screws 18 penetrating through the sealing gland 17 and the second flange 5 are arranged on the second flange 8, limiting plates 19 located on the outer side of the sealing gland 17 are arranged on the second screws 18, and limiting nuts 20 are arranged at two ends of the second screws 18 and the first screws 6;
be equipped with the triangle strengthening rib 21 that a plurality of intervals set up between first flange 4 and second flange 5 and the 3 outer walls of outer tube, all be equipped with the reinforcing ring 22 that a plurality of intervals set up on first bellows 1 and the 15 outer walls of second bellows, the reinforcing ring 22 cross-section is the arc structure, first flange 2 and 8 terminal surfaces of second flange all are equipped with the bulge loop 23 that the cross-section is the right trapezoid structure.
The working principle of the utility model is as follows:
during assembly, the second corrugated pipe 15 is sleeved outside the inner sleeve 7, the second corrugated pipe 15 is limited with the inner side of the first annular plate 9 with the inverted L-shaped cross section through the end part with the L-shaped cross section, the outer sleeve 3 is sleeved outside the inner sleeve 7 and positioned on one side of the second corrugated pipe 15, a plurality of sealing packing 16 and a sealing gland 17 with the L-shaped cross section are sequentially sleeved, a plurality of second screws 18 penetrate through the sealing gland 17 and the second flange 5 and are limited by limiting plates 19, the sealing gland 17 is installed by locking the limiting nuts 20, the sealing performance between the inner sleeve 7 and the outer sleeve 3 is ensured by the sealing packing 16, the second flange 8 is correspondingly inserted into the plurality of second screws 18 to be quickly positioned and is welded and fixed with the outer end of the inner sleeve 7;
the cross sections of the two ends of the first corrugated pipe 1 are of an L-shaped structure, the first corrugated pipe 1 and the first flanges 2 and 4 on the two sides can be conveniently and quickly positioned in a sealing mode through sealing rings 10, the first corrugated pipe 1, the first flanges 2 and the outer sleeve 3 are in sealing connection through a plurality of bolts 11 penetrating through the first corrugated pipe 1 and the first flanges 2 or the first corrugated pipe 1 and the first flanges 4, the first flanges 2 are also quickly positioned through support pipes 13 in clearance fit with the inner wall of the first corrugated pipe 1 and the stability of movement of the first corrugated pipe 1 is guaranteed, and a plurality of first screws 6 penetrate through the first flanges 2 and the first flanges 4 and are locked through limit nuts 20 to realize guiding assembly;
the first flange 2 and the second flange 8 are used for being connected in a thermal pipeline, the end faces of the first flange 2 and the second flange 8 are respectively provided with a convex ring 23 with a right-angled trapezoid-shaped cross section, the convex rings are used for being matched with the pipeline to increase the sealing contact area, and the abdicating notch 12 is used for abdicating when the first flange 2 is connected with the pipeline;
when the pipeline is heated to deform and extrude the first flange 2 and the second flange 8, the first flange 2 extrudes the first corrugated pipe 1, the elastic restoring force of the first corrugated pipe 1 acts on the outer sleeve 3 connected through the first flange 4, a plurality of triangular reinforcing ribs 21 between the first flange 4 and the outer sleeve 3 and between the second flange 5 and the outer sleeve 3 are used for increasing the bonding strength of a vertical plane, and the second flange 8 drives the inner sleeve 7 and the first annular plate 9 to move relative to the outer sleeve 3;
because the sealing gland 17 is limited by the limiting plates 19 of the second screws 18, the second flange 8 can stably move under the guidance of the plurality of second screws 18, the first annular plate 9 with the inverted-L-shaped section is in sliding fit with the inner wall of the outer sleeve 3 to stably move, the second corrugated pipe 15 is thermally expanded and reliably propped against the first annular plate 9 and the second annular plate through L-shaped structures at two ends, the supporting reliability of the first annular plate 9 and the second annular plate is ensured, and therefore the thermal stress change is rapidly balanced and the compensation effect is achieved;
when the pipeline cold contraction generates pulling force on the first flange 2 and the second flange 8, the first flange 2 pulls the first corrugated pipe 1 and the outer sleeve 3 to be linked, the second flange 8 pulls the first annular plate 9 through the inner sleeve 7, and the first annular plate 9 and the second annular plate extrude the second corrugated pipe 15, so that the outer wall of the first annular plate 9 and the inner wall of the outer sleeve 3 slide relatively, the cold stress change is balanced quickly, the compensation effect is achieved, and the reinforcing rings 22 with the arc-shaped upper sections of the first corrugated pipe 1 and the second corrugated pipe 15 are used for improving the structural rigidity and preventing the elastic failure;
in conclusion, the whole sealing is reliable, the connection is convenient, the distance change of the first flange 2 and the second flange 8, which is stressed by the pipeline, is adapted through the corresponding changes of the first external corrugated pipe 1 and the first inner wall corrugated pipe 1, the pipeline deformation and stress are quickly balanced, and the sensitivity, the pressure resistance and the reliability of pipeline compensation are favorably improved.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. A straight pipe pressure balance type corrugated compensator comprises a first corrugated pipe (1) and a first flange (2) connected with one end of the first corrugated pipe (1), and is characterized in that the other end of the first corrugated pipe (1) is provided with a connected outer sleeve (3), a first flange (4) and a second flange (5) are arranged at two ends of the outer sleeve (3), a plurality of first screw rods (6) vertically penetrating through the first flange (2) are arranged on the first flange (4), an inner sleeve (7) is arranged inside the outer sleeve (3), a second flange (8) connected with one end of the inner sleeve (7) is arranged at one end of the inner sleeve, and a first annular plate (9) with the outer wall in sliding fit with the inner wall of the outer sleeve (3) is arranged at the other end of the inner sleeve (7);
be equipped with the second crown plate on outer tube (3) inner wall, be equipped with between second crown plate and first crown plate (9) and be located second bellows (15) between interior sleeve pipe (7) and outer tube (3), the second crown plate outside is equipped with a plurality of sealed packing (16) that are located interior sleeve pipe (7) outside and is located sealing gland (17) of outer tube (3) one side, be equipped with a plurality of second screw rods (18) that pass sealing gland (17) and second flange (5) on second flange (8), be equipped with limiting plate (19) that are located sealing gland (17) outside on second screw rod (18), second screw rod (18) and first screw rod (6) both ends all are equipped with stop nut (20).
2. The straight pipe pressure balance type corrugated compensator according to claim 1, wherein the cross-section of each end of the first corrugated pipe (1) is in an L-shaped structure, and a sealing ring (10) is arranged between each end of the first corrugated pipe and the first flange (2) and between each end of the first corrugated pipe and the first flange (4).
3. The straight pipe pressure balance type corrugated compensator according to claim 2, wherein a plurality of bolts (11) are arranged between the first corrugated pipe (1) and the first flange (2) and the first flange (4), a plurality of abdicating notches (12) are arranged at one end of the first corrugated pipe (1) close to the first flange (2), and a support pipe (13) in clearance fit with the inner wall of the first corrugated pipe (1) is arranged on the inner wall of the first flange (2).
4. The straight pipe pressure balance type corrugated compensator according to claim 1, wherein a plurality of triangular reinforcing ribs (21) are arranged at intervals between the first flange (4) and the second flange (5) and the outer wall of the outer sleeve (3).
5. The straight pipe pressure balance type corrugated compensator according to claim 1, wherein the first annular plate (9) has an inverted L-shaped cross section, and the end section of the second corrugated pipe (15) has an L-shaped cross section and is located inside the first annular plate (9).
6. The straight pipe pressure balance type corrugated compensator according to claim 1, wherein a plurality of reinforcing rings (22) arranged at intervals are arranged on the outer walls of the first corrugated pipe (1) and the second corrugated pipe (15), and the cross section of each reinforcing ring (22) is of an arc structure.
7. The straight pipe pressure balanced type bellow compensator according to claim 1, wherein the cross section of said gland (17) is of L-shaped configuration.
8. The straight pipe pressure balance type corrugated compensator according to any one of claims 1 to 7, characterized in that the end surfaces of the first flange (2) and the second flange (8) are provided with convex rings (23) with right-angled trapezoid-shaped cross sections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120395167.8U CN215335126U (en) | 2021-02-23 | 2021-02-23 | Straight pipe pressure balance type corrugated compensator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120395167.8U CN215335126U (en) | 2021-02-23 | 2021-02-23 | Straight pipe pressure balance type corrugated compensator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215335126U true CN215335126U (en) | 2021-12-28 |
Family
ID=79581682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120395167.8U Active CN215335126U (en) | 2021-02-23 | 2021-02-23 | Straight pipe pressure balance type corrugated compensator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215335126U (en) |
-
2021
- 2021-02-23 CN CN202120395167.8U patent/CN215335126U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20120192963A1 (en) | Extended range tapping sleeve and gasket | |
| CN215335126U (en) | Straight pipe pressure balance type corrugated compensator | |
| CN215335125U (en) | Metal sleeve type pipeline compensator | |
| KR101289149B1 (en) | Structure and apparatus for connecting steel pipe struts | |
| CN212338536U (en) | Non-thrust sleeve expansion joint | |
| CN219120079U (en) | Special anticorrosive composite expansion joint for heat-conducting oil pipeline | |
| CN215335038U (en) | Combined rotary compensator | |
| CN212430129U (en) | Double-ripple metal expansion piece | |
| CN210344679U (en) | Universal damping type metal corrugated expansion joint | |
| CN214535068U (en) | Rectangular metal compensator | |
| CN110778841B (en) | Double-ripple metal expansion piece | |
| CN210118584U (en) | Equal-drift-diameter corrugated expansion joint | |
| CN216976201U (en) | Tensile bellows expansion joint | |
| JP5537065B2 (en) | Strength frame structure | |
| CN111911688A (en) | High-temperature high-pressure forged steel gate valve | |
| CN213299213U (en) | Compensator convenient to split | |
| CN214089484U (en) | Novel special prestressing force bellows of suspension bridge | |
| CN215410777U (en) | Self-adaptive sealed sleeve compensator | |
| CN219717788U (en) | Supporting framework of pipeline plugging device | |
| CN215000133U (en) | Wear-resisting type metal bellows | |
| CN217108645U (en) | Combined sealing type corrugated pipe compensator | |
| CN213712276U (en) | Efficient wear-resistant metal expansion joint | |
| CN216112748U (en) | Compensator for heating pipeline | |
| CN218031938U (en) | Steel lining tetrafluoro pipe | |
| CN218976240U (en) | Plastic glass fiber composite reinforced power tube |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |