CN112901883A - Elastic sealing type split expansion joint - Google Patents
Elastic sealing type split expansion joint Download PDFInfo
- Publication number
- CN112901883A CN112901883A CN202110228857.9A CN202110228857A CN112901883A CN 112901883 A CN112901883 A CN 112901883A CN 202110228857 A CN202110228857 A CN 202110228857A CN 112901883 A CN112901883 A CN 112901883A
- Authority
- CN
- China
- Prior art keywords
- expansion joint
- flange
- sleeving pipe
- sealing
- pad
- 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.)
- Pending
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 62
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims 3
- 230000000694 effects Effects 0.000 abstract 1
- 238000005299 abrasion Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L51/00—Expansion-compensation arrangements for pipe-lines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/16—Flanged joints characterised by the sealing means
- F16L23/24—Flanged joints characterised by the sealing means specially adapted for unequal expansion of the parts of the joint
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joints Allowing Movement (AREA)
Abstract
The invention discloses an elastic sealing type split expansion joint which comprises a first flange, a second flange and an outer sleeve, wherein connecting hole pieces are fixedly arranged on the inner surface walls of the left side and the right side of the first flange and the second flange, a supporting rod penetrating through the connecting hole pieces is arranged on the outer side of the outer sleeve, and screws are arranged at the outer rings of the upper side and the lower side of the supporting rod; the elastic sealing type split expansion joint can support the positions of the first flange and the second flange by arranging the connecting hole piece, the supporting rod, the screw and the outer sleeve, and can protect fittings in the expansion joint from being oxidized by adjusting the heights of the supporting rod and the screw according to the length of the outer sleeve; through setting up first cover and taking over, first sealing washer pad, first spring pad, second sealing washer pad, second cover and taking over, second spring pad, third sealing washer pad, third cover and taking over and third spring pad, can play and support and consolidate, the effect, reduce sheathed tube friction, improve the life of expansion joint.
Description
Technical Field
The invention relates to the technical field of split expansion joints, in particular to an elastic sealing type split expansion joint.
Background
As the expansion joint is an elastic compensation element capable of freely stretching, the expansion joint has the advantages of reliable work, good performance, compact structure and the like, and is widely applied to chemical, metallurgical, nuclear and other departments. There are various forms of expansion joints used in containers, with U-shaped expansion joints being most widely used in terms of corrugated shapes, followed by omega-and C-shapes, etc. The expansion joints used in the pipelines are classified into universal joints, pressure-balanced joints, hinge joints, universal joints, and the like in terms of structural compensation.
The prior art has the following defects or problems:
1. when the existing split expansion joint is used in cooperation with a foreign object, the connected medium occupies space, certain obstacles exist to the connected medium to cause the use of the split expansion joint to be inconvenient, and the connected medium is complex to disassemble and assemble;
2. after the existing split expansion joint is sealed by the rubber gasket, the gasket is exposed in the air, is easy to oxidize, needs to be replaced for many times, is not found timely, influences the work of the split expansion joint, and greatly reduces the work efficiency.
Disclosure of Invention
The invention aims to provide an elastic sealing type split expansion joint aiming at the defects in the prior art so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an elastic sealing type split expansion joint comprises a first flange, a second flange and an outer sleeve, wherein connecting hole sheets are fixedly arranged on the inner surface walls of the left side and the right side of the first flange and the second flange, a supporting rod penetrating through the connecting hole sheets is arranged on the outer side of the outer sleeve, screws are arranged at the outer rings of the upper side and the lower side of the supporting rod, a first sleeve pipe is arranged at the joint of the upper side of the inner wall of the outer sleeve on the upper side and the lower side of the outer sleeve, a first sealing ring pad and a first spring pad are arranged at the joint of the lower surface wall of the first sleeve pipe, a second sealing ring pad is arranged at the joint of the inner wall of the first sealing ring pad and the inner wall of the first spring pad, a second sleeve pipe is arranged at the joint of the inner surface wall of the second sealing ring pad and the upper surface wall of the second sleeve pipe, a second spring pad, a, and a third sleeving pipe is attached to the inner walls of the second sleeving pipe, the second spring pad, the third sealing ring pad and the third spring pad.
As a preferred technical scheme of the invention, the outer ring surface walls on the upper side and the lower side of the outer sleeve are respectively jointed and connected with the inner ring surface walls of the first flange and the second flange, and the upper inner ring and the lower inner ring of the outer sleeve are jointed and connected with the outer rings of the two groups of fourth sealing gaskets.
As a preferred technical scheme of the invention, the outer rings at the upper side and the lower side of the support rod are provided with threads, the outer rings at the two sides of the support rod are in threaded connection with the inner surface wall of the screw, and the opposite sides of the two groups of screws are in fastening connection with the opposite sides of the connecting hole pieces.
As a preferred technical solution of the present invention, the height of the outer sleeve is adapted to the sum of the heights of the two fourth gasket rings, the first sleeve pipe, the first gasket ring and the first spring washer.
As a preferable technical scheme of the present invention, the lower inner surface wall of the first sleeving pipe is in fit connection with the left outer surface wall of the second gasket, and the height of the second gasket is matched with the height of the second sleeving pipe.
As a preferred technical solution of the present invention, an upper surface wall of the third spring pad is in close contact with a lower surface wall of the upper fourth gasket, and lower surface walls of the second gasket, the second sleeving pipe, and the third sleeving pipe are in close contact with an upper surface wall of the lower fourth gasket.
As a preferred technical scheme of the present invention, the outer sleeve, the first sleeving tube, the second sleeving tube and the third sleeving tube are all made of stainless steel, and the outer surface wall of the lower side of the third sleeving tube is in fit connection with the inner surface wall of the second sleeving tube.
Compared with the prior art, the invention provides an elastic sealing type split expansion joint, which has the following beneficial effects:
1. according to the elastic sealing type split expansion joint, the positions of the first flange and the second flange can be supported by arranging the connecting hole piece, the support, the screw and the outer sleeve, the height of the support rod and the screw can be properly adjusted according to the length of the outer sleeve, the position relation of the first flange and the second flange can be fastened, and accessories in the expansion joint can be protected from being oxidized by contacting with the outside;
2. this elasticity sealed components of a whole that can function independently expansion joint through setting up first cover and taking over, first sealing washer pad, first spring pad, second sealing washer pad, second cover and taking over, second spring pad, third sealing washer pad, third spring pad and third spring pad, can support the outer tube and consolidate the components of a whole that can function independently expansion joint, can make the sealing performance who promotes the components of a whole that can function independently expansion joint, and the wearing and tearing prevent can strengthen the elastic property of components of a whole that can function independently expansion joint, reduce sheathed tube friction, can strengthen the inside sealing performance of components of a whole that can function independently expansion joint, improve the life of components of a whole that can function independently expansion joint.
Drawings
FIG. 1 is a schematic front view of the structure of the present invention;
FIG. 2 is a left side view schematic of the structure of the present invention;
FIG. 3 is a schematic cross-sectional view of the structure of the present invention;
fig. 4 is a schematic top view of the structure of the present invention.
In the figure: 1. a first flange; 2. a second flange; 3. an outer sleeve; 31. a fourth gasket ring; 4. a connection hole piece; 5. a support bar; 6. a screw; 7. a first socket pipe; 8. a first gasket ring; 9. a first spring pad; 10. a second gasket; 11. a second sleeving tube; 12. a second spring pad; 13. a third gasket ring; 14. a third spring pad; 15. and a third sleeving pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, in this embodiment: an elastic sealing type split expansion joint comprises a first flange 1, a second flange 2 and an outer sleeve 3, wherein connecting hole sheets 4 are fixedly arranged on the inner surface walls of the left side and the right side of the first flange 1 and the second flange 2, a supporting rod 5 penetrating through the connecting hole sheets 4 is arranged on the outer side of the outer sleeve 3, screws 6 are arranged at the outer rings of the upper side and the lower side of the supporting rod 5, a first sleeve pipe 7 is arranged at the joint of the upper side and the lower side of the inner wall of the outer sleeve 3, a first sealing gasket 8 and a first spring gasket 9 are arranged at the joint of the lower surface wall of the first sleeve pipe 7, a second sealing gasket 10 is arranged at the joint of the inner walls of the first sealing gasket 8 and the first spring gasket 9, a second sleeve pipe 11 is arranged at the joint of the inner surface wall of the second sealing gasket 10, a second spring gasket 12, a third sealing gasket 13 and a third spring gasket 14 are arranged at the joint of the, and a third sleeving pipe 15 is attached to the inner walls of the second sleeving pipe 11, the second spring pad 12, the third sealing gasket 13 and the third spring pad 14.
In this embodiment, the outer ring walls of the upper and lower sides of the outer sleeve 3 are respectively connected to the inner ring walls of the first and second flanges 1, 2, the outer sleeve 3 can protect the fittings inside the expansion joint from contact oxidation with the outside, the upper and lower inner rings of the outer sleeve 3 are connected to the outer rings of the two sets of fourth gasket pads 31, the outer rings of the upper and lower sides of the support rod 5 are provided with threads, the height of the support rod 5 is properly adjusted according to the length of the outer sleeve 3, the outer rings of the two sides of the support rod 5 are connected to the inner surface wall threads of the screws 6, the opposite sides of the two sets of screws 6 are fastened to the opposite sides of the connection hole pieces 4, the first and second flanges 1, 2 can be fastened by the screws 6, the first and second flanges 1, 2 can be supported by the connection hole pieces 4, the height of the outer sleeve 3 is equal to the height of the two fourth, The sum of the heights of the first sleeving pipe 7, the first sealing gasket 8 and the first spring gasket 9 is matched, the first sleeving pipe 7 can support the outer sleeve 3 and reinforce the split expansion joint, the lower inner surface wall of the first sleeving pipe 7 is connected with the left outer surface wall of the second sealing gasket 10 in an attaching manner, the height of the second sealing gasket 10 is matched with the height of the second sleeving pipe 11, the upper surface wall of the third spring gasket 14 is connected with the lower surface wall of the upper fourth sealing gasket 31 in an attaching manner, the elastic performance of the split expansion joint can be enhanced through the first spring gasket 9, the second spring gasket 12 and the third spring gasket 14, the friction of the sleeves is reduced, the lower surface walls of the second sealing gasket 10, the second sleeving pipe 11 and the third sleeving pipe 15 are connected with the upper surface wall of the lower fourth sealing gasket 31 in an attaching manner, and the sealing performance of the split expansion joint can be improved through the first sealing gasket 8, the second sealing gasket 10 and the third sealing gasket 13, the abrasion is prevented, the outer sleeve 3, the first sleeving pipe 7, the second sleeving pipe 11 and the third sleeving pipe 15 are made of stainless steel, the outer surface wall of the lower side of the third sleeving pipe 15 is attached to the inner surface wall of the second sleeving pipe 11, the sealing performance of the inside of the split expansion joint can be enhanced through the second sleeving pipe 11 and the third sleeving pipe 15, and the service life of the split expansion joint is prolonged.
The working principle and the using process of the invention are as follows: the first flange 1 and the second flange 2 can be supported by providing the connection hole piece 4, the height can be properly adjusted according to the length of the outer sleeve 3 by providing the support rod 5, the position relation of the first flange 1 and the second flange 2 can be fastened through the screw 6, fittings inside the expansion joint can be protected from being oxidized by contacting with the outside through the outer sleeve 3, the first sleeve pipe 7 can support the outer sleeve 3 and reinforce the split expansion joint, the first sealing gasket 8, the second sealing gasket 10 and the third sealing gasket 13 can improve the sealing performance of the split expansion joint and prevent abrasion, the first spring cushion 9, the second spring cushion 12 and the third spring cushion 14 can enhance the elastic performance of the split expansion joint, reduce the friction of the sleeve, the sealing performance in the split expansion joint can be enhanced by arranging the second sleeve pipe 11 and the third sleeve pipe 15, and the service life of the split expansion joint is prolonged.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. An elastic sealing type split expansion joint is characterized in that: comprises a first flange (1), a second flange (2) and an outer sleeve (3), wherein connecting hole sheets (4) are fixedly arranged on the inner surface wall of the left side and the right side of the first flange (1) and the second flange (2), a supporting rod (5) penetrating through the connecting hole sheets (4) is arranged on the outer side of the outer sleeve (3), screws (6) are arranged at the outer rings of the upper side and the lower side of the supporting rod (5), a first sleeving pipe (7) is arranged at the upper side and the lower side of the inner wall of the outer sleeve (3), a first sealing ring pad (8) and a first spring pad (9) are arranged at the lower surface wall laminating position of the first sleeving pipe (7), a second sealing ring pad (10) is arranged at the inner wall laminating position of the first sealing ring pad (8) and the first spring pad (9), and a second sleeving pipe (11) is arranged at the inner surface wall laminating position of the second sealing ring pad (10), the joint of the upper wall of the second sealing gasket (10) and the second sleeving pipe (11) is provided with a second spring gasket (12), a third sealing gasket (13) and a third spring gasket (14), and the joint of the inner walls of the second sleeving pipe (11), the second spring gasket (12), the third sealing gasket (13) and the third spring gasket (14) is provided with a third sleeving pipe (15).
2. An elastic sealed split expansion joint according to claim 1, wherein: outer ring surface walls on the upper side and the lower side of the outer sleeve (3) are respectively attached to inner ring surface walls of the first flange (1) and the second flange (2), and the upper inner ring part and the lower inner ring part of the outer sleeve (3) are attached to outer ring parts of the two groups of fourth sealing washer pads (31).
3. An elastic sealed split expansion joint according to claim 1, wherein: the outer rings of the upper side and the lower side of the supporting rod (5) are provided with threads, the outer rings of the two sides of the supporting rod (5) are in threaded connection with the inner surface wall of the screw (6), and one opposite side of the two groups of screws (6) is in fastening connection with one opposite side of the connecting hole piece (4).
4. An elastic sealed split expansion joint according to claim 1, wherein: the height of the outer sleeve (3) is matched with the sum of the heights of the two fourth sealing gaskets (31), the first sleeving pipe (7), the first sealing gasket (8) and the first spring gasket (9).
5. An elastic sealed split expansion joint according to claim 1, wherein: the inner surface wall of the lower side of the first sleeving pipe (7) is connected with the outer surface wall of the left side of the second sealing ring pad (10) in a fitting mode, and the height of the second sealing ring pad (10) is matched with the height of the second sleeving pipe (11).
6. An elastic sealed split expansion joint according to claim 1, wherein: the upper surface wall of the third spring pad (14) is connected with the lower surface wall of the upper side fourth sealing ring pad (31) in a fitting manner, and the lower surface walls of the second sealing ring pad (10), the second sleeving pipe (11) and the third sleeving pipe (15) are connected with the upper surface wall of the lower side fourth sealing ring pad (31) in a fitting manner.
7. An elastic sealed split expansion joint according to claim 1, wherein: the outer sleeve (3), the first sleeving pipe (7), the second sleeving pipe (11) and the third sleeving pipe (15) are made of stainless steel, and the lower outer surface wall of the third sleeving pipe (15) is attached to the inner surface wall of the second sleeving pipe (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110228857.9A CN112901883A (en) | 2021-03-02 | 2021-03-02 | Elastic sealing type split expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110228857.9A CN112901883A (en) | 2021-03-02 | 2021-03-02 | Elastic sealing type split expansion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112901883A true CN112901883A (en) | 2021-06-04 |
Family
ID=76108583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110228857.9A Pending CN112901883A (en) | 2021-03-02 | 2021-03-02 | Elastic sealing type split expansion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112901883A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102620094A (en) * | 2012-03-31 | 2012-08-01 | 南通三创机械制造有限公司 | Full-seal fiber expansion joint with ring belt protection device |
| KR20120126685A (en) * | 2011-05-12 | 2012-11-21 | 메가플랙슨공업(주) | Rubber Expansion Joints |
| CN208011128U (en) * | 2018-02-28 | 2018-10-26 | 诸暨爱德华膨胀节制造有限公司 | A kind of split type expansion joint |
| CN210661865U (en) * | 2019-06-20 | 2020-06-02 | 王逸人 | Metal corrugated expansion joint with limiting function |
| CN111237558A (en) * | 2020-03-06 | 2020-06-05 | 张嫚 | Expansion joint |
| CN210800397U (en) * | 2019-10-23 | 2020-06-19 | 江苏运通膨胀节制造有限公司 | Elastic sealing type split expansion joint |
| CN211574493U (en) * | 2019-12-30 | 2020-09-25 | 泰州市新佑管件有限公司 | Sealed reliable nonmetal expansion joint |
| CN211875401U (en) * | 2020-01-13 | 2020-11-06 | 江苏长风波纹管有限公司 | Compound pull rod type expansion joint |
-
2021
- 2021-03-02 CN CN202110228857.9A patent/CN112901883A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120126685A (en) * | 2011-05-12 | 2012-11-21 | 메가플랙슨공업(주) | Rubber Expansion Joints |
| CN102620094A (en) * | 2012-03-31 | 2012-08-01 | 南通三创机械制造有限公司 | Full-seal fiber expansion joint with ring belt protection device |
| CN208011128U (en) * | 2018-02-28 | 2018-10-26 | 诸暨爱德华膨胀节制造有限公司 | A kind of split type expansion joint |
| CN210661865U (en) * | 2019-06-20 | 2020-06-02 | 王逸人 | Metal corrugated expansion joint with limiting function |
| CN210800397U (en) * | 2019-10-23 | 2020-06-19 | 江苏运通膨胀节制造有限公司 | Elastic sealing type split expansion joint |
| CN211574493U (en) * | 2019-12-30 | 2020-09-25 | 泰州市新佑管件有限公司 | Sealed reliable nonmetal expansion joint |
| CN211875401U (en) * | 2020-01-13 | 2020-11-06 | 江苏长风波纹管有限公司 | Compound pull rod type expansion joint |
| CN111237558A (en) * | 2020-03-06 | 2020-06-05 | 张嫚 | Expansion joint |
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Application publication date: 20210604 |
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