CN219300138U - Galvanized steel pipe sealing connector - Google Patents
Galvanized steel pipe sealing connector Download PDFInfo
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- CN219300138U CN219300138U CN202320615486.4U CN202320615486U CN219300138U CN 219300138 U CN219300138 U CN 219300138U CN 202320615486 U CN202320615486 U CN 202320615486U CN 219300138 U CN219300138 U CN 219300138U
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- galvanized steel
- steel pipe
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Abstract
The utility model discloses a galvanized steel pipe sealing connecting piece, which comprises a sealing pressing sleeve, wherein the sealing pressing sleeve is sleeved at the joint of galvanized steel pipes; the connecting sleeve is sleeved on the sealing pressing sleeve, and external threads are arranged on the outer side walls of the two ends of the connecting sleeve; the sleeve ring is sleeved on the galvanized steel pipe, a connecting cylinder is arranged on the outer edge of the inner side end of the sleeve ring, an internal thread matched with the external thread is arranged in the connecting cylinder, and an annular extrusion head for extruding the sealing pressing sleeve is arranged at the inner side end of the sleeve ring; according to the scheme, the annular extrusion heads at the two ends extrude the two ends of the sealing pressing sleeve in opposite directions, so that the sealing pressing sleeve axially contracts and radially expands at the same time, the radial pressure between the sealing pressing sleeve and the galvanized steel pipe is increased, the sealing pressing sleeve is tightly attached to the outer wall of the galvanized steel pipe, and a good sealing effect is achieved; meanwhile, the friction force between the sealing press sleeve and the galvanized steel pipe is increased, so that the tensile property of the joint of the galvanized steel pipe is improved.
Description
Technical Field
The utility model relates to the technical field of steel pipe connection, in particular to a galvanized steel pipe sealing connector.
Background
Along with the rapid development of the economy of China, various infrastructures such as various house buildings, subways, high-speed rail platforms and the like are developing at a high speed, and stricter requirements are also provided for the service lives of the buildings and supporting facilities, so that the continuous updating iteration of new materials and new processes is widely accepted and applied to the building industry in a large number, and becomes an important subject for the continuous pursuit and exploration of technicians.
Many electric wire pipelines are required to use galvanized steel pipes to improve corrosion resistance and strength, and the current galvanized steel pipe connection technology is generally divided into a wire turning type and a welding type, wherein the wire turning type steel pipe connection technology has the following defects:
1. threading is needed at the port of the steel pipe, the process is relatively complex, the integral strength of the steel pipe can be influenced, and the steel pipe is easy to break and damage;
2. in the process of connecting the steel pipes, the steel pipes are manually and manually installed, and the time and the labor are wasted.
While the welding type steel pipe connection technology has the following defects:
1. the high temperature of welding can damage the galvanized layer of the galvanized steel pipe, so that the galvanized steel pipe is extremely easy to rust;
2. the welding is severely limited by site construction conditions, and when the site construction is carried out, only the front welding quality can be ensured, and the integrity and the tightness of the welding seam are difficult to ensure when the welding seam is close to the template surface.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides a galvanized steel pipe sealing connecting piece, which solves the problems of complex connecting process of galvanized steel pipes, poor sealing effect and easy damage to the galvanized steel pipes.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
provided is a galvanized steel pipe sealing connection, comprising:
the sealing pressing sleeve is of a flexible structure and is sleeved at the joint of the galvanized steel pipe;
the connecting sleeve is sleeved on the sealing pressing sleeve, and external threads are arranged on the outer side walls of the two ends of the connecting sleeve;
the sleeve ring is sleeved on the galvanized steel pipe, a connecting cylinder is arranged on the outer edge of the inner side end of the sleeve ring, an internal thread matched with the external thread is arranged in the connecting cylinder, and an annular extrusion head for extruding the sealing pressing sleeve is arranged at the inner side end of the sleeve ring.
The beneficial effects of adopting above-mentioned technical scheme are: according to the scheme, the connecting barrels on the two lantern rings are respectively in threaded fit with the two ends of the connecting sleeve, so that annular extrusion heads at the two ends extrude the two ends of the sealing pressing sleeve in opposite directions, the sealing pressing sleeve is of a flexible structure, and radial expansion can be generated when the sealing pressing sleeve axially contracts, so that radial pressure between the sealing pressing sleeve and a galvanized steel pipe is increased, the sealing pressing sleeve is tightly attached to the outer wall of the galvanized steel pipe, and a good sealing effect is achieved; meanwhile, the friction force between the sealing press sleeve and the galvanized steel pipe is increased, so that the tensile property of the joint of the galvanized steel pipe is improved.
Further, the axial section of the sealing pressing sleeve comprises a first flexible cushion layer contacted with the galvanized steel pipe and a second flexible cushion layer contacted with the connecting sleeve, a honeycomb structure is formed between the first flexible cushion layer and the second flexible cushion layer, the honeycomb structure comprises a plurality of convex hexagons which are tightly arranged in the axial direction and the radial direction of the sealing pressing sleeve, the convex hexagons comprise three pairs of parallel sides with equal length, one pair of parallel sides are parallel to the radial direction of the sealing pressing sleeve, and the connecting line of the tip formed by the other two pairs of parallel sides is parallel to the radial direction of the sealing pressing sleeve.
The beneficial effects of adopting above-mentioned technical scheme are: when the annular extrusion head extrudes the sealing pressing sleeve, the included angle between the two pointed ends of the convex hexagon is smaller and the convex hexagon extends forwards, so that the honeycomb structure expands radially, the honeycomb structure extrudes the first flexible cushion layer and the second flexible cushion layer, and the purpose of tightly attaching the galvanized steel pipe, the sealing pressing sleeve and the connecting sleeve is achieved.
Further, the inner diameter and the outer diameter of the annular extrusion head are respectively equal to the inner diameter and the outer diameter of the sealing pressing sleeve, one end of the annular extrusion head is arranged at the inner side port of the lantern ring, and the other end of the annular extrusion head is abutted against the end part of the sealing pressing sleeve.
Further, the axial length of the external thread is not smaller than the axial length of the internal thread, and the axial length of the internal thread is larger than the axial length of the annular extrusion head.
Further, the axial length of the sealing pressure sleeve is equal to the axial length of the connecting sleeve.
Further, a sealant is coated on the contact surface between the sealing pressing sleeve and the galvanized steel pipe.
The beneficial effects of the utility model are as follows:
the galvanized steel pipe sealing connection is achieved, meanwhile, the galvanized steel pipe sealing connection has certain tensile property, tapping or welding is not needed, and damage to structural integrity of the galvanized steel pipe is avoided.
Drawings
Fig. 1 is a schematic structural view of the annular extrusion head according to the present embodiment when the sealing jacket is not extruded.
Fig. 2 is a schematic structural diagram of the annular extrusion head after extruding the sealing sleeve.
Fig. 3 is a schematic structural view of the sealing press sleeve.
The sealing sleeve comprises a sealing sleeve body, a connecting sleeve body, external threads, a sleeve ring, a connecting cylinder, an internal thread, a ring-shaped extrusion head, a first flexible cushion layer, a second flexible cushion layer, a convex hexagon, a galvanized steel pipe and a galvanized steel pipe.
Detailed Description
The following description of the embodiments of the present utility model is provided to facilitate understanding of the present utility model by those skilled in the art, but it should be understood that the present utility model is not limited to the scope of the embodiments, and all the utility models which make use of the inventive concept are protected by the spirit and scope of the present utility model as defined and defined in the appended claims to those skilled in the art.
As shown in fig. 1, the galvanized steel pipe sealing connector of the scheme comprises a sealing pressing sleeve 1, a connecting sleeve 2 and a lantern ring 4, wherein the sealing pressing sleeve 1 is of a flexible structure, the sealing pressing sleeve 1 is sleeved at the joint of the ports of two galvanized steel pipes 11, sealing glue is coated on the contact surface between the sealing pressing sleeve 1 and the galvanized steel pipes 11, the connecting sleeve 2 is sleeved on the sealing pressing sleeve 1, and the axial length of the sealing pressing sleeve 1 is equal to that of the connecting sleeve 2.
The inner side end of the lantern ring 4 is provided with an annular extrusion head 7, the inner diameter and the outer diameter of the annular extrusion head 7 are equal to the inner diameter and the outer diameter of the sealing pressing sleeve 1 respectively, one end of the annular extrusion head 7 is arranged at the inner side port of the lantern ring 4, the other end of the annular extrusion head 7 is abutted against the end part of the sealing pressing sleeve 1, the axial length of the internal thread 6 is greater than that of the annular extrusion head 7, after the connecting cylinder 5 is in threaded fit with the connecting sleeve 2, the annular extrusion head 7 is abutted against the end part of the sealing pressing sleeve 1 again, and the installation of the lantern ring 4 is facilitated.
The cross section in the axial direction of the sealing pressing sleeve 1 comprises a first flexible cushion layer 8 contacted with a galvanized steel pipe 11 and a second flexible cushion layer 9 contacted with the connecting sleeve 2, a honeycomb structure is formed between the first flexible cushion layer 8 and the second flexible cushion layer 9, the honeycomb structure comprises a plurality of convex hexagons 10 which are tightly arranged in the axial direction and the radial direction of the sealing pressing sleeve 1, the convex hexagons 10 comprise three pairs of parallel edges with equal length, one pair of parallel edges are parallel to the radial direction of the sealing pressing sleeve 1, and the connecting line of the tip formed by the other two pairs of parallel edges is parallel to the radial direction of the sealing pressing sleeve 1.
The working principle of the scheme is specifically described as follows:
according to the scheme, the connecting cylinders 5 on the two lantern rings 4 are respectively in threaded fit with the two ends of the connecting sleeve 2, so that annular extrusion heads 7 at the two ends extrude the two ends of the sealing pressing sleeve 1 in opposite directions, the sealing pressing sleeve 1 is of a flexible structure, and radial expansion is generated when the sealing pressing sleeve 1 axially contracts, so that radial pressure between the sealing pressing sleeve 1 and the galvanized steel pipe 11 is increased, the sealing pressing sleeve 1 is tightly attached to the outer wall of the galvanized steel pipe 11, and a good sealing effect is achieved; meanwhile, the friction force between the sealing press sleeve 1 and the galvanized steel pipe 11 is increased, so that the tensile property of the joint of the galvanized steel pipe 11 is improved.
The principle of radial expansion of the sealing pressure sleeve 1 is as follows: when the annular extrusion head 7 extrudes the sealing pressing sleeve 1, the included angle between the two tips of the convex hexagon 10 is smaller and the two tips extend forwards, so that the honeycomb structure expands radially, extrudes the first flexible cushion layer 8 and the second flexible cushion layer 9, and the purpose of tightly attaching the galvanized steel pipe 11, the sealing pressing sleeve 1 and the connecting sleeve 2 is achieved.
To sum up, this scheme simple structure, simple operation still have certain tensile properties when can realizing galvanized steel pipe 11 sealing connection to need not to carry out tapping or welding to galvanized steel pipe 11, avoided the destruction to galvanized steel pipe 11 structural integrity.
Claims (6)
1. A galvanized steel pipe sealing connection, comprising:
the sealing pressing sleeve (1), the sealing pressing sleeve (1) is of a flexible structure, and the sealing pressing sleeve (1) is sleeved at the joint of the galvanized steel pipe (11);
the connecting sleeve (2) is sleeved on the sealing pressing sleeve (1), and external threads (3) are arranged on the outer side walls of the two ends of the connecting sleeve (2);
the connecting sleeve comprises a sleeve ring (4), wherein the sleeve ring (4) is sleeved on a galvanized steel pipe (11), a connecting cylinder (5) is arranged on the outer edge of the inner side end of the sleeve ring (4), an inner thread (6) matched with the outer thread (3) is arranged in the connecting cylinder (5), and an annular extrusion head (7) used for extruding the sealing pressing sleeve (1) is arranged at the inner side end of the sleeve ring (4).
2. The galvanized steel pipe sealing connection according to claim 1, characterized in that the cross section in the axial direction of the sealing press sleeve (1) comprises a first flexible cushion layer (8) in contact with the galvanized steel pipe (11) and a second flexible cushion layer (9) in contact with the connecting sleeve (2), wherein a honeycomb structure is formed between the first flexible cushion layer (8) and the second flexible cushion layer (9), the honeycomb structure comprises a plurality of convex hexagons (10) which are closely arranged in the axial direction and the radial direction of the sealing press sleeve (1), the convex hexagons (10) comprise three pairs of parallel edges with equal length, one pair of parallel edges are parallel to the radial direction of the sealing press sleeve (1), and the connecting line of the tips formed by the other two pairs of parallel edges is parallel to the radial direction of the sealing press sleeve (1).
3. The galvanized steel pipe sealing connection according to claim 1, characterized in that the inner diameter and the outer diameter of the annular extrusion head (7) are equal to the inner diameter and the outer diameter of the sealing press sleeve (1), respectively, one end of the annular extrusion head (7) is arranged at the inner port of the collar (4), and the other end of the annular extrusion head (7) is abutted against the end part of the sealing press sleeve (1).
4. Galvanized steel pipe sealing connection according to claim 1, characterized in that the axial length of the external thread (3) is not smaller than the axial length of the internal thread (6), the axial length of the internal thread (6) being greater than the axial length of the annular extrusion head (7).
5. Galvanized steel pipe sealing connection according to claim 1, characterized in that the axial length of the sealing press sleeve (1) is equal to the axial length of the connecting sleeve (2).
6. The galvanized steel pipe sealing connection according to claim 1, characterized in that the contact surface between the sealing press sleeve (1) and the galvanized steel pipe (11) is coated with a sealing glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320615486.4U CN219300138U (en) | 2023-03-24 | 2023-03-24 | Galvanized steel pipe sealing connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320615486.4U CN219300138U (en) | 2023-03-24 | 2023-03-24 | Galvanized steel pipe sealing connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219300138U true CN219300138U (en) | 2023-07-04 |
Family
ID=86984434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320615486.4U Active CN219300138U (en) | 2023-03-24 | 2023-03-24 | Galvanized steel pipe sealing connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219300138U (en) |
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2023
- 2023-03-24 CN CN202320615486.4U patent/CN219300138U/en active Active
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