CN114838212A - Hydraulic engineering pipeline inner wall connection sealing device - Google Patents
Hydraulic engineering pipeline inner wall connection sealing device Download PDFInfo
- Publication number
- CN114838212A CN114838212A CN202210400251.3A CN202210400251A CN114838212A CN 114838212 A CN114838212 A CN 114838212A CN 202210400251 A CN202210400251 A CN 202210400251A CN 114838212 A CN114838212 A CN 114838212A
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- main body
- sealing device
- rods
- rings
- engineering
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- 238000007789 sealing Methods 0.000 title claims abstract description 17
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 238000003780 insertion Methods 0.000 claims description 8
- 230000037431 insertion Effects 0.000 claims description 8
- 210000001503 joint Anatomy 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 3
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
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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
- F16L21/00—Joints with sleeve or socket
- F16L21/06—Joints with sleeve or socket with a divided sleeve or ring clamping around the pipe-ends
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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
- F16L21/00—Joints with sleeve or socket
- F16L21/02—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings
- F16L21/04—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings in which sealing rings are compressed by axially-movable members
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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
- F16L21/00—Joints with sleeve or socket
- F16L21/08—Joints with sleeve or socket with additional locking means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention discloses a hydraulic engineering pipeline inner wall connecting and sealing device, which relates to the technical field of pipeline connecting devices and comprises a main body support ring; the main body support ring is symmetrically welded with two retaining pipes in a front-back manner, two rubber rings are symmetrically sleeved on tail end sections of the two retaining pipes, the sections of the two rubber rings are of right-angle trapezoidal structures, and vertical surfaces of the two rubber rings are abutted against and attached to the front side surface and the rear side surface of the main body support ring; two threaded pushing rods are symmetrically arranged on the main body supporting ring in a penetrating and screwing mode, and two pushing discs are fixedly welded on the protruding sections of the outer sides of the two threaded pushing rods; the head and tail ends of the semicircular clamping rings are welded with two folding fixing blocks with screw through holes, and the two groups of semicircular clamping rings are tightly butted and clamped on the two engineering pipelines through bolts. According to the invention, the jacking and fixing of the two T-shaped jacking and pressing parts are matched with the tensioning and fixing of the two groups of semicircular clamping rings, so that double connection and positioning can be implemented on two engineering pipelines, and the problem of poor connection strength of the two engineering pipelines is solved.
Description
Technical Field
The invention relates to the technical field of pipeline connecting devices, in particular to a hydraulic engineering pipeline inner wall connecting and sealing device.
Background
Often need connect the pipeline among the hydraulic engineering and increase, and the junction of pipeline needs sealed processing, current pipe connection device mostly only is provided with a connection locating component to the pipeline, mostly can only carry out single connection location to the pipeline, it is relatively poor to cause the joint strength of pipeline, and though be provided with multiunit connection locating component on some devices, but multiunit connection locating component mostly can not the linkage combine synchronous ordering about, need the substep to operate the elasticity in proper order, it is difficult inconvenient to use.
Disclosure of Invention
The invention aims to provide a hydraulic engineering pipeline inner wall connecting and sealing device which is provided with a pushing disc, wherein through the power transmission of two pushing discs, two threaded pushing rods can synchronously drive four T-shaped pushing parts and two groups of semicircular clamping rings to carry out pushing and tensioning positioning operations, and the problems that when two engineering pipelines are butted, two groups of different connecting and positioning assemblies need to be subjected to tightness operation step by step, the use is troublesome and the use is low are solved.
In order to achieve the purpose, the invention provides the following technical scheme: the inner wall of the hydraulic engineering pipeline is connected with a sealing device which comprises a main body support ring; the main body support ring is symmetrically welded with two retaining pipes in a front-back manner, two rubber rings are symmetrically sleeved on tail end sections of the two retaining pipes, the sections of the two rubber rings are of right-angle trapezoidal structures, and vertical surfaces of the two rubber rings are abutted against and attached to the front side surface and the rear side surface of the main body support ring; two threaded pushing rods symmetrically penetrate through and are screwed on the main body supporting ring, two pushing disks are fixedly welded on the convex sections at the outer sides of the two threaded pushing rods, and two I-shaped supporting rods are rotatably connected to the tail end parts of the two threaded pushing rods in the main body supporting ring; two pushing parts are symmetrically and slidably arranged on the two I-shaped support rods through spring pushing; the front engineering pipeline and the rear engineering pipeline are respectively sleeved and inserted on the two retaining pipes, the tail ends of the two engineering pipelines are butted against the front side surface and the rear side surface of the main body supporting ring, and two groups of semicircular clamping rings are respectively sleeved and installed on the two engineering pipelines in a clamping way; the head and tail ends of the semicircular clamping rings are welded with two folding fixing blocks with screw through holes, and the two groups of semicircular clamping rings are tightly butted and clamped on the two engineering pipelines through bolts.
Preferably, the head ends of the two retaining pipes are welded with a retaining ring, the outer diameters of the two retaining rings are equal to the inner diameters of the two engineering pipelines, and the two engineering pipelines are correspondingly sleeved and matched with the two retaining rings.
Preferably, the head and the tail of the two semicircular clamping rings positioned on the upper side are folded and bent to form the fixing blocks, the head and the tail of the two semicircular clamping rings positioned on the lower side are folded and bent to form the fixing blocks, and the head and the tail of the two semicircular clamping rings positioned on the lower side are respectively welded and fixed with a positioning insertion rod.
Preferably, the two outer rod sections of the threaded push rod are respectively sleeved with a connecting piece in a sliding manner, and the two connecting pieces are abutted and contacted with the two pushing discs.
Preferably, two connecting rods are symmetrically and rotatably connected to the two connecting pieces, and the tail ends of the four connecting rods are correspondingly connected with the four positioning inserted rod sleeves in an inserting manner.
Preferably, the whole of the shaped jacking portion is formed by welding an arc jacking plate and a square sliding rod welded on the middle section of the arc jacking plate together, wherein the square sliding rod is supported towards the center of the retaining pipe, and the arc jacking plate is in jacking contact with the inner wall of the engineering pipeline.
Preferably, two positioning short shafts are symmetrically welded at the tail end of the square sliding rod, and the head end and the tail end of the I-shaped stay bar are correspondingly in sliding fit with the positioning short shafts.
Preferably, an annular gap is formed between the two holding pipes and the inner walls of the two engineering pipelines at intervals, and the four arc-shaped jacking plates are slidably positioned in the annular gap.
Preferably, when the tail ends of the two engineering pipelines abut against the main body support ring, the inner walls of the tail ends of the two engineering pipelines are pressed and sealed on the two rubber rings.
Compared with the prior art, the invention has the beneficial effects that: 1. according to the invention, the two pushing discs can transmit the propelling force of the two threaded pushing rods to the two H-shaped connecting pieces, so that the two threaded pushing rods can push and drive the two H-shaped connecting pieces to slide outwards to provide oppositely tensioned driving forces for the two groups of semicircular clamping rings, and through the power transmission of the two pushing discs, the two threaded pushing rods can synchronously drive the four T-shaped pushing parts and the two groups of semicircular clamping rings to carry out pushing and tensioning positioning operations, so that the trouble of carrying out tightness operation on two groups of different connecting and positioning assemblies step by step when two engineering pipelines are butted is saved, and the use is convenient and efficient; 2. according to the invention, four connecting rods, two groups of semicircular clamping rings and two H connecting pieces are connected together to form a four-crank-slider mechanism, the two H connecting pieces slide outwards through the mechanism to drive the two groups of semicircular clamping rings to slide oppositely towards a main body supporting ring to tension and butt joint two engineering pipelines, and when the two groups of semicircular clamping rings are tensioned oppositely, the tail ends of the engineering pipelines can be pressed against two rubber rings to seal the butt joint of the two engineering pipelines; 3. according to the invention, the two threaded push rods can be used for pushing threads to drive the four T-shaped push parts to slide outwards and to be in push contact with the inner walls of the two engineering pipelines so as to push and fix the two engineering pipelines and the two retaining pipes together, the two engineering pipelines are subjected to auxiliary butt positioning, and the push fixing of the two T-shaped push parts is matched with the tensioning and fixing of the two groups of semicircular clamping rings so as to perform double connection and positioning on the two engineering pipelines, so that the connection strength of the two engineering pipelines is effectively enhanced, and the probability of loosening and separation of the two engineering pipelines due to the unloading force is greatly reduced.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the overall bottom structure of the present invention;
FIG. 3 is a schematic diagram of a half-section internal structure of the engineering pipeline of the present invention;
FIG. 4 is a schematic view of the installation of the semicircular snap ring cutting ferrule of the present invention;
FIG. 5 is a schematic view of the structure of the main body support ring of the present invention;
FIG. 6 is a schematic view of a semicircular snap ring structure according to the present invention;
FIG. 7 is a schematic view of a half-section internal structure of the support ring of the main body according to the present invention;
FIG. 8 is a schematic view of a T-shaped pressing portion according to the present invention;
in the drawings, the corresponding relationship between the component names and the reference numbers is as follows: 1. a main body support ring; 101. a rubber ring; 102. a holding tube; 103. a retaining ring; 2. a semicircular snap ring; 201. a positioning sleeve; 202. positioning the inserted rod; 3. a threaded push rod; 301. h connecting piece; 302. a connecting rod; 303. pushing the disc; 304. an I-shaped stay bar; 4. a T-shaped jacking portion; 401. the short axis is located.
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.
Referring to fig. 1 to 8, an embodiment of the present invention includes: the inner wall of the hydraulic engineering pipeline is connected with a sealing device which comprises a main body support ring 1; two retaining pipes 102 are symmetrically welded on the main body support ring 1 in a front-back manner, two rubber rings 101 are symmetrically sleeved on tail end sections of the two retaining pipes 102, the sections of the two rubber rings 101 are in a right-angle trapezoidal structure, and vertical faces of the two rubber rings 101 are abutted against and attached to the front side face and the back side face of the main body support ring 1; two threaded pushing rods 3 are symmetrically arranged on the main body support ring 1 in a penetrating and screwing mode, two pushing discs 303 are fixedly welded on the convex sections of the outer sides of the two threaded pushing rods 3, and two I-shaped support rods 304 are rotatably connected to the tail end portions, located inside the main body support ring 1, of the two threaded pushing rods 3; two T-shaped jacking parts 4 are symmetrically and slidably arranged on the two I-shaped support rods 304 through spring jacking; the front engineering pipeline and the rear engineering pipeline are respectively sleeved and inserted on the two retaining pipes 102, the tail ends of the two engineering pipelines are butted against the front side surface and the rear side surface of the main body support ring 1, and two groups of semicircular clamping rings 2 are respectively sleeved and installed on the two engineering pipelines; the head and tail ends of the semicircular clamping rings 2 are welded with two bent fixing blocks with screw through holes, and the two groups of semicircular clamping rings 2 are tightly butted and clamped on two engineering pipelines through bolts; two positioning short shafts 401 are symmetrically welded at the tail end of the square sliding rod, the head end and the tail end of the I-shaped stay bar 304 are correspondingly in sliding fit with the positioning short shafts 401, and the two threaded push rods 3 transmit power to the T-shaped jacking part 4 through springs on the positioning short shafts 401; annular gaps are formed between the two retaining pipes 102 and the inner walls of the two engineering pipelines at intervals, and the four arc-shaped jacking plates are slidably positioned in the annular gaps; when the tail ends of the two engineering pipelines are butted against the main body support ring 1, the inner walls of the tail ends of the two engineering pipelines are extruded and sealed on the two rubber rings 101; the head ends of the two retaining pipes 102 are respectively welded with a retaining ring 103, the outer diameters of the two retaining rings 103 are equal to the inner diameters of the two engineering pipelines, the two engineering pipelines are correspondingly sleeved and matched with the two retaining rings 103, the two retaining rings 103 can support and limit the two engineering pipelines which are butted together, the two engineering pipelines are kept in a straight butted state, and the two engineering pipelines are prevented from swinging and dislocating up and down; the head and the tail of the two semicircular clamping rings 2 positioned on the upper side are folded and bent to form a fixing block, a positioning sleeve 201 is welded on the head and the tail of the two semicircular clamping rings 2 positioned on the lower side, a positioning insertion rod 202 is welded on the head and the tail of the two semicircular clamping rings 2 positioned on the lower side and is fixed on the head and the tail of the two semicircular clamping rings 2 positioned on the lower side, when the four semicircular clamping rings 2 are in butt joint combination, the four positioning insertion rods 202 correspond to and are in plug-in fit with the four positioning sleeves 201, the four positioning insertion rods 202 are in movable plug-in fit with the four positioning sleeves 201, and the four connecting rods 302 can be conveniently disassembled.
As shown in fig. 8, the two H-shaped connecting members 301 are slidably sleeved on the outer rod sections of the two threaded pushing rods 3, the two H-shaped connecting members 301 are in abutting contact with the two pushing disks 303, the two pushing disks 303 can transmit the propelling force of the two threaded pushing rods 3 to the two H-shaped connecting members 301, so that the two threaded pushing rods 3 can propel the two H-shaped connecting members 301 to slide outwards to provide opposite tensioning driving force for the two sets of semicircular clamping rings 2, and through the power transmission of the two pushing disks 303, the two threaded pushing rods 3 can synchronously drive the four T-shaped jacking portions 4 and the two sets of semicircular clamping rings 2 to perform jacking and tensioning positioning operations, which eliminates the trouble of performing tightening operation on two different sets of connecting and positioning assemblies step by step when the two engineering pipelines are butted, and is convenient and efficient to use.
As shown in fig. 6, two connecting rods 302 are symmetrically and rotatably connected to the two H-shaped connecting members 301, the tail ends of the four connecting rods 302 are correspondingly sleeved and connected with the four positioning insertion rods 202, the four connecting rods 302, the two sets of semicircular clamping rings 2 and the two H-shaped connecting members 301 are jointly connected to form a four-crank-slider mechanism, the two H-shaped connecting members 301 slide outwards to drive the two sets of semicircular clamping rings 2 to slide oppositely towards the main body supporting ring 1 to tension and butt-joint two engineering pipelines, and when the two sets of semicircular clamping rings 2 are tensioned oppositely, the tail ends of the engineering pipelines can be pressed against the two rubber rings 101 to seal the butt-joint of the two engineering pipelines.
As shown in fig. 3, the whole T-shaped pressing portion 4 is formed by welding an arc-shaped pressing plate and a square slide rod welded on the middle section of the arc-shaped pressing plate together, wherein the square slide rod is supported towards the center of the retaining tube 102, the arc-shaped pressing plate is in pressing contact with the inner walls of the engineering pipelines, the two thread pushing rods 3 can be pushed to drive the four T-shaped pressing portions 4 to slide outwards and are in pressing contact with the inner walls of the two engineering pipelines to press and fix the two engineering pipelines and the two retaining tubes 102 together, so as to implement auxiliary butt positioning on the two engineering pipelines, and the pressing and fixing of the two T-shaped pressing portions 4 can be matched with the tightening and fixing of the two sets of semicircular snap rings 2 to implement double connection positioning on the two engineering pipelines, thereby effectively enhancing the connection strength of the two engineering pipelines and greatly reducing the probability of loosening and separation of the two engineering pipelines due to the releasing force.
The working principle is as follows: when in use, the front and the rear engineering pipelines are respectively sleeved and inserted on the two retaining pipes 102, the tail ends of the two engineering pipelines are butted and abutted against the front and the rear side surfaces of the main body support ring 1, then the two groups of semicircular clamping rings 2 are butted and clamped on the two engineering pipelines (as shown in figure 1), then the two threaded push rods 3 are synchronously rotated, the two threaded push rods 3 can be pushed in by threads to drive the four T-shaped push parts 4 to slide outwards and are in abutting contact with the inner walls of the two engineering pipelines to push and fix the two engineering pipelines and the two retaining pipes 102 together, meanwhile, the two push discs 303 can transmit the pushing force of the two threaded push rods 3 to the two H-shaped connecting pieces 301, so that the two threaded push rods 3 can push and drive the two H-shaped connecting pieces 301 to slide outwards to provide opposite tensioning driving force for the two groups of semicircular clamping rings 2 to tension the two engineering pipelines together, and when the two groups of semicircular clamping rings 2 are tensioned oppositely, the tail ends of the engineering pipelines can be pressed on the two rubber rings 101 to seal the joint of the two engineering pipelines.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. Hydraulic engineering pipeline inner wall connection sealing device, its characterized in that: the inner wall of the pipeline is connected with a sealing device which comprises a main body supporting ring (1); the main body support ring (1) is symmetrically welded with two retaining pipes (102) in a front-back manner, two rubber rings (101) are symmetrically sleeved on tail end sections of the two retaining pipes (102), the sections of the two rubber rings (101) are of right-angle trapezoidal structures, and vertical surfaces of the two rubber rings (101) are abutted against and attached to the front side surface and the rear side surface of the main body support ring (1); two threaded pushing rods (3) are symmetrically arranged on the main body support ring (1) in a penetrating and screwing mode, two pushing discs (303) are fixedly welded on the protruding sections of the outer sides of the two threaded pushing rods (3), and two I-shaped support rods (304) are rotatably connected to the tail end portions, located inside the main body support ring (1), of the two threaded pushing rods (3); two T-shaped jacking parts (4) are symmetrically and slidably arranged on the two I-shaped support rods (304) through spring pushing; the front engineering pipeline and the rear engineering pipeline are respectively sleeved and inserted on the two retaining pipes (102), the tail ends of the two engineering pipelines are butted against the front side surface and the rear side surface of the main body support ring (1), and two groups of semicircular clamping rings (2) are respectively arranged on the two engineering pipelines in a clamping way; two folding and turning fixing blocks with screw through holes are welded at the head end and the tail end of the semicircular clamping rings (2), and the two groups of semicircular clamping rings (2) are tightly butted and clamped on two engineering pipelines through bolts.
2. The hydraulic engineering pipeline inner wall connection sealing device of claim 1, characterized in that: the head ends of the two retaining pipes (102) are respectively welded with a retaining ring (103), the outer diameters of the two retaining rings (103) are equal to the inner diameters of the two engineering pipelines, and the two engineering pipelines are correspondingly sleeved and matched with the two retaining rings (103).
3. The hydraulic engineering pipeline inner wall connection sealing device of claim 1, characterized in that: the head and tail folding fixing blocks of the two semicircular clamping rings (2) positioned on the upper side are welded with a positioning sleeve (201), the head and tail folding fixing blocks of the two semicircular clamping rings (2) positioned on the lower side are welded with a positioning insertion rod (202), and when the four semicircular clamping rings (2) are combined in a butt joint mode, the four positioning insertion rods (202) are correspondingly matched with the four positioning sleeves (201) in an inserting mode.
4. The hydraulic engineering pipeline inner wall connection sealing device of claim 3, characterized in that: the outer rod sections of the two threaded push rods (3) are also sleeved with an H connecting piece (301) in a sliding mode, and the two H connecting pieces (301) are in abutting contact with the two push discs (303).
5. The hydraulic engineering pipeline inner wall connection sealing device of claim 4, characterized in that: two connecting rods (302) are symmetrically and rotatably connected to the H-shaped connecting piece (301), and the tail ends of the four connecting rods (302) are correspondingly connected with the four positioning insertion rods (202) in an inserting mode.
6. The hydraulic engineering pipeline inner wall connection sealing device of claim 1, characterized in that: the T-shaped jacking portion (4) is integrally formed by welding an arc-shaped jacking plate and a square sliding rod welded to the middle section of the arc-shaped jacking plate together, wherein the square sliding rod is supported towards the center of the retaining pipe (102), and the arc-shaped jacking plate is in jacking contact with the inner wall of the engineering pipeline.
7. The hydraulic engineering pipeline inner wall connection sealing device of claim 6, characterized in that: two positioning short shafts (401) are symmetrically welded at the tail end of the square sliding rod, and the head end and the tail end of the I-shaped stay bar (304) are correspondingly in sliding fit with the positioning short shafts (401).
8. The hydraulic engineering pipeline inner wall connection sealing device of claim 6, characterized in that: an annular gap is formed between the two retaining pipes (102) and the inner walls of the two engineering pipelines at intervals, and the four arc-shaped jacking plates are slidably positioned in the annular gap.
9. The hydraulic engineering pipeline inner wall connection sealing device of claim 1, characterized in that: when the tail ends of the two engineering pipelines are butted against the main body support ring (1), the inner walls of the tail ends of the two engineering pipelines are extruded and sealed on the two rubber rings (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210400251.3A CN114838212B (en) | 2022-04-16 | Hydraulic engineering pipeline inner wall connection sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210400251.3A CN114838212B (en) | 2022-04-16 | Hydraulic engineering pipeline inner wall connection sealing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114838212A true CN114838212A (en) | 2022-08-02 |
| CN114838212B CN114838212B (en) | 2024-07-30 |
Family
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB806481A (en) * | 1954-11-30 | 1958-12-23 | Ferguson James Mackay | Pipe coupling |
| CN111594671A (en) * | 2019-02-21 | 2020-08-28 | 株洲鼎固机车配件有限公司 | Fastening piece |
| CN211449939U (en) * | 2019-12-06 | 2020-09-08 | 邹伟恩 | Water pipe joint |
| CN212616880U (en) * | 2020-06-19 | 2021-02-26 | 联知(北京)技术服务有限公司 | Flaring clamp formula pipe connection spare |
| CN213512512U (en) * | 2020-10-15 | 2021-06-22 | 黄冈职业技术学院 | Sealing connection device for drainage pipelines |
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB806481A (en) * | 1954-11-30 | 1958-12-23 | Ferguson James Mackay | Pipe coupling |
| CN111594671A (en) * | 2019-02-21 | 2020-08-28 | 株洲鼎固机车配件有限公司 | Fastening piece |
| CN211449939U (en) * | 2019-12-06 | 2020-09-08 | 邹伟恩 | Water pipe joint |
| CN212616880U (en) * | 2020-06-19 | 2021-02-26 | 联知(北京)技术服务有限公司 | Flaring clamp formula pipe connection spare |
| CN213512512U (en) * | 2020-10-15 | 2021-06-22 | 黄冈职业技术学院 | Sealing connection device for drainage pipelines |
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