CN215568632U - Assembled axial locking nodular cast iron pipe - Google Patents
Assembled axial locking nodular cast iron pipe Download PDFInfo
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- CN215568632U CN215568632U CN202121140435.8U CN202121140435U CN215568632U CN 215568632 U CN215568632 U CN 215568632U CN 202121140435 U CN202121140435 U CN 202121140435U CN 215568632 U CN215568632 U CN 215568632U
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Abstract
The utility model relates to the technical field of cast iron pipes, and provides an assembled axial locking nodular cast iron pipe which comprises pipe bodies, wherein a female end and a male end are respectively arranged at two ends of each pipe body, the male end of one pipe body is used for being inserted into the female end of the other pipe body, an annular groove is formed in the inner wall of each pipe body and is positioned in the female end, a slot is formed in each pipe body and is positioned on the female end, the slot is positioned on one side of the annular groove and is communicated with the annular groove, a clamping piece is arranged on the outer wall of each pipe body and is close to the male end, when the male end of one pipe body is inserted into the female end of the other pipe body, the clamping piece enters the annular groove through the slot, and after the pipe bodies are rotated, the clamping piece is clamped into the annular groove. Through the technical scheme, the problems of complex connection and high cost of the cast iron pipe in the prior art are solved.
Description
Technical Field
The utility model relates to the technical field of cast iron pipes, in particular to an assembled axial locking nodular cast iron pipe.
Background
The nodular cast iron pipes are mainly applied to water supply, gas transmission, oil transmission and the like of municipal and industrial enterprises, a large number of sealing elements and anchoring pieces are often needed at the joints between the existing nodular cast iron pipes in the embedding construction process, so that the stable connection and the good sealing performance between the nodular cast iron pipes are realized, but the sealing elements and the anchoring pieces are used and installed in the construction process, so that the installation difficulty is high, the working efficiency is low, the construction cost is greatly improved, and the nodular cast iron pipes are difficult to disassemble and inconvenient to replace after being connected.
SUMMERY OF THE UTILITY MODEL
The utility model provides an assembled axial locking nodular cast iron pipe, which solves the problems of complex connection and low efficiency of the nodular cast iron pipe in the prior art.
The technical scheme of the utility model is as follows:
the method comprises the following steps:
the two ends of the pipe body are respectively provided with a female end and a male end, the male end of one pipe body is used for being inserted into the female end of the other pipe body,
the inner wall of the pipe body is provided with an annular groove which is positioned in the female end,
the pipe body is provided with a slot which is positioned on the socket end, the slot is positioned on one side of the annular groove and is communicated with the annular groove,
the outer wall of the pipe body is provided with a clamping piece which is close to the socket end,
when the socket end of one of the pipe bodies is inserted into the socket end of the other pipe body, the clamping piece enters the annular groove through the slot, and the clamping piece is clamped into the annular groove after the pipe bodies are rotated.
As a further technical solution, it is proposed that,
and a stop block is arranged in the annular groove and used for blocking the clamping piece.
As a further technical solution, it is proposed that,
the inner wall of the pipe body is also provided with an annular sealing groove which is positioned in the female end,
the annular seal groove is located on one side of the annular groove,
also comprises the following steps of (1) preparing,
an annular sealing ring arranged in the annular sealing groove,
after the socket end of one of the pipe bodies is inserted into the socket end of the other pipe body, the inner wall of the annular sealing ring is attached to the outer wall of the pipe body, and the outer wall of the annular sealing ring is attached to the bottom of the annular sealing groove.
As a further technical solution, it is proposed that,
the inner wall of the annular sealing ring close to one end of the annular sealing ring is provided with an annular guiding conical surface,
the end of the annular sealing ring with the annular guiding conical surface is closer to the female end.
As a further technical solution, it is proposed that,
an annular convex block is arranged on the bottom of the annular sealing groove,
the outer wall of the annular sealing ring is provided with an annular clamping groove,
and after the annular sealing ring is arranged in the annular sealing groove, the annular bump is clamped in the annular clamping groove.
As a further technical solution, it is proposed that,
the socket end of the pipe body is provided with an outer chamfer.
As a further technical solution, it is proposed that,
the pipe body is provided with a plurality of slots which are uniformly arranged along the circumferential direction of the pipe body,
the outer wall of the tube body is provided with a plurality of clamping pieces which are the same as the number of the slots, and the clamping pieces are uniformly arranged along the circumferential direction of the tube body.
As a further technical solution, it is proposed that,
the clamping piece is a clamping block.
As a further technical solution, it is proposed that,
the annular sealing ring is an annular rubber sealing ring.
As a further technical solution, it is proposed that,
the section shapes of the annular groove and the clamping piece are the same.
The working principle and the beneficial effects of the utility model are as follows:
in the utility model, for the existing nodular cast iron pipe, the nodular cast iron pipe has the advantages of quick and convenient connection and low construction and installation cost, and the specific implementation mode is as follows: the socket end department of body itself has the fastener, when needing to connect two bodys, aim at the socket end of another body with the socket end of one of them body, and the fastener is aimed at slot department, then be close to two bodys each other, make the socket end of a body insert in the socket end of another body, this in-process, the fastener passes through the slot and enters into the annular groove, then rotate the body, make fastener card go into in the annular groove, accomplish the installation promptly, when needing to dismantle, rotate one of them body earlier, make the fastener rotate to the position of aiming at the slot, can accomplish the dismantlement to the direction removal of keeping away from each other with two bodys, therefore, the steam generator is very convenient, the installation is quick, need not additionally use anchor assembly, the cost is reduced, the efficiency is improved.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1 according to the present invention;
FIG. 3 is a schematic top view of the structure of FIG. 1 according to the present invention;
FIG. 4 is a bottom view of FIG. 1 in accordance with the present invention;
FIG. 5 is a schematic view of a connection structure between pipes according to the present invention;
FIG. 6 is an enlarged view of a portion B of FIG. 5 according to the present invention;
in the figure: 1-pipe body, 11-female end, 12-female end, 21-annular groove, 22-slot, 23-fastener, 31-stop block, 41-annular sealing groove, 42-annular sealing ring, 43-annular guiding conical surface, 44-annular lug and 45-annular clamping groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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 inventive step, are intended to be within the scope of the present invention.
As shown in fig. 1 to 6, the present invention proposes an assembled axially locked ductile iron pipe, comprising:
the two ends of the pipe body 1 are respectively a female end 11 and a female end 12, wherein the female end 12 of one pipe body 1 is used for being inserted into the female end 11 of the other pipe body 1,
the inner wall of the pipe body 1 is provided with an annular groove 21, the annular groove 21 is positioned in the female end 11,
the pipe body 1 is provided with a slot 22, the slot 22 is positioned on the female end 11, the slot 22 is positioned at one side of the annular groove 21, and the slot 22 is communicated with the annular groove 21,
the outer wall of the tube body 1 is provided with a clamping piece 23, the clamping piece 23 is close to the socket end 12,
when the socket end 12 of one of the pipe bodies 1 is inserted into the socket end 11 of the other pipe body 1, the clamping piece 23 enters the annular groove 21 through the slot 22, and after the pipe bodies 1 are rotated, the clamping piece 23 is clamped into the annular groove 21.
In this embodiment, for the existing nodular cast iron pipe, the nodular cast iron pipe has the advantages of quick and convenient connection and low construction and installation costs, and the specific implementation mode is as follows: the bayonet end 12 department of body 1 itself has fastener 23, when two body 1 need be connected, aim at the female end 11 of another body 1 with the bayonet end 12 of one of them body 1, and fastener 23 aims at slot 22 department, then be close to two body 1 each other, make the bayonet end 12 of one body 1 insert in the female end 11 of another body 1, in this process, fastener 23 enters into annular groove 21 through slot 22, then rotate body 1, make fastener 23 card go into annular groove 21, accomplish the installation promptly, when needing to dismantle, rotate one of them body 1 earlier, make fastener 23 rotate the position of aiming at slot 22, remove two body 1 to the direction of keeping away from each other and can accomplish the dismantlement, therefore, the steam generator is very convenient, the installation is quick, need not additionally use anchor assembly, the cost is reduced, and the efficiency is improved.
Further, a stopper 31 is disposed in the annular groove 21, and the stopper 31 is used for stopping the clip member 23.
In this embodiment, dog 31 can rotate at body 1, and fastener 23 blocks in the annular groove 21, blocks fastener 23, prevents that rotation amplitude is too big, is located the problem that other slot 22 department can not the chucking, can give the signal of constructor's installation completion simultaneously, and behind dog 31 blocked fastener 23, the constructor can know very easily that fastener 23 is blocked by dog 31, and the installation finishes.
Furthermore, the inner wall of the pipe body 1 is provided with an annular sealing groove 41, the annular sealing groove 41 is positioned in the female end 11,
also comprises the following steps of (1) preparing,
an annular seal ring 42 for being disposed in the annular seal groove 41,
after the spigot end 12 of one of the pipe bodies 1 is inserted into the spigot end 11 of the other pipe body 1, the inner wall of the annular sealing ring 42 is attached to the outer wall of the pipe body 1, and the outer wall of the annular sealing ring 42 is attached to the bottom of the annular sealing groove 41.
In this embodiment, when connecting two pipe bodies 1, first place ring seal 42 in ring seal groove 41, then connect two pipe bodies 1 for ring seal 42 is located between the bottom of ring seal groove 41 and the outer wall of spigot end 12 of pipe body 1, accomplishes sealed effect, reaches sealed purpose.
Further, the annular seal ring 42 has an annular guide tapered surface 43 on its inner wall near one end,
the end of annular seal ring 42 having annular guide taper 43 is closer to female end 11.
In this embodiment, annular seal 42 is close to having annular direction conical surface 43 in the one end of female end 11, and annular seal 42 one end has interior chamfer promptly, can be when body 1 socket end 12 inserts, and better inserting is gone into, prevents to appear pushing up the problem of running annular seal 42, has promoted the installation success rate.
Further, the groove bottom of the annular seal groove 41 is provided with an annular projection 44,
the outer wall of the ring-shaped sealing ring 42 is provided with a ring-shaped clamping groove 45,
after the ring seal 42 is disposed in the ring seal groove 41, the ring protrusion 44 is snapped into the ring groove 45.
In this embodiment, because there are many nodular cast iron pipes's internal diameter relatively great, when installation ring seal 42, probably because self gravity droops, cause the installation to be particularly arduous, ring projection 44 and ring groove 45's setting, can directly block ring groove 45 of ring seal 42 on ring projection 44, so the flagging situation just can not appear, the installation is more convenient and more saved, in addition, ring projection 44 can restrict ring seal 42's position, avoided appearing the socket end 12 of body 1 with happy brother seal 42 top to one side or the problem of top falling.
Further, the spigot end 12 of the pipe body 1 has an outer chamfer.
In this embodiment, the spigot end of the pipe body 1 has an outer chamfer, and can be better inserted into the socket end 11 of another pipe body 1.
Furthermore, the tube body 1 is provided with a plurality of slots 22, the plurality of slots 22 are evenly arranged along the circumferential direction of the tube body 1,
the outer wall of the tube body 1 is provided with clamping pieces 23 with the same number as the slots 22, and the clamping pieces 23 are uniformly arranged along the circumferential direction of the tube body 1.
In this embodiment, fastener 23 evenly is provided with a plurality of, can be so that fastener 23 atress jointly, improves the fastness.
Further, the clip 23 is a latch.
In this embodiment, the clip 23 is a clip, and can be clipped into the annular groove 21.
Further, the annular seal ring 42 is an annular rubber seal ring.
In this embodiment, ring seal 42 has elasticity, and its internal diameter slightly is less than the external diameter of body 1, and the external diameter equals the diameter of ring seal groove 41, can with crowded tighter between body 1, sealed better, adopts the rubber material, and the cost is lower, can realize sealed effect simultaneously.
Further, the annular groove 21 has the same sectional shape as the click piece 23.
In this embodiment, the cross-sectional shape of the clamping piece 23 is the same as that of the annular groove 21, so that the clamping piece 23 is not easy to shake after being clamped into the annular groove 21, and the connection is more stable.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An assembled axial locking nodular cast iron pipe is characterized by comprising,
the pipe comprises pipe bodies (1), wherein a female end (11) and a female end (12) are respectively arranged at two ends of each pipe body (1), the female end (12) of one pipe body (1) is used for being inserted into the female end (11) of the other pipe body (1),
the inner wall of the pipe body (1) is provided with an annular groove (21), the annular groove (21) is positioned in the female end (11),
the pipe body (1) is provided with a slot (22), the slot (22) is positioned on the female end (11), the slot (22) is positioned on one side of the annular groove (21), the slot (22) is communicated with the annular groove (21),
a clamping piece (23) is arranged on the outer wall of the pipe body (1), the clamping piece (23) is close to the socket end (12),
when the spigot end (12) of one of the pipe bodies (1) is inserted into the spigot end (11) of the other pipe body (1), the clamping piece (23) enters the annular groove (21) through the slot (22), and after the pipe body (1) is rotated, the clamping piece (23) is clamped into the annular groove (21).
2. The fabricated axially-locking ductile cast iron pipe according to claim 1, wherein,
a stop block (31) is arranged in the annular groove (21), and the stop block (31) is used for stopping the clamping piece (23).
3. The fabricated axially-locking ductile cast iron pipe according to claim 1, wherein,
the inner wall of the pipe body (1) is also provided with an annular sealing groove (41), the annular sealing groove (41) is positioned in the female end (11),
the annular seal groove (41) is located on one side of the annular groove (21),
also comprises the following steps of (1) preparing,
an annular sealing ring (42) arranged in the annular sealing groove (41),
wherein, the spigot end (12) of the pipe body (1) is inserted into the other spigot end (11) of the pipe body (1), the inner wall of the annular sealing ring (42) is attached to the outer wall of the pipe body (1), and the outer wall of the annular sealing ring (42) is attached to the bottom of the annular sealing groove (41).
4. The fabricated axially-locking ductile cast iron pipe according to claim 3, wherein,
the inner wall of the annular sealing ring (42) close to one end thereof is provided with an annular guiding conical surface (43),
the end of the annular sealing ring (42) with the annular guiding conical surface (43) is closer to the female end (11).
5. The fabricated axially-locking ductile cast iron pipe according to claim 4, wherein,
the bottom of the annular sealing groove (41) is provided with an annular convex block (44),
the outer wall of the annular sealing ring (42) is provided with an annular clamping groove (45),
and after the annular sealing ring (42) is arranged in the annular sealing groove (41), the annular bump (44) is clamped in the annular clamping groove (45).
6. The fabricated axially-locking ductile cast iron pipe according to claim 1, wherein,
the spigot end (12) of the pipe body (1) is provided with an external chamfer.
7. The fabricated axially-locking ductile cast iron pipe according to claim 1, wherein,
the pipe body (1) is provided with a plurality of slots (22), the slots (22) are uniformly arranged along the circumferential direction of the pipe body (1),
the outer wall of the pipe body (1) is provided with clamping pieces (23) with the same number as the inserting grooves (22), and the clamping pieces (23) are uniformly arranged along the circumferential direction of the pipe body (1).
8. The fabricated axially-locking ductile cast iron pipe according to claim 1, wherein,
the clamping piece (23) is a clamping block.
9. The fabricated axially-locking ductile cast iron pipe according to claim 3, wherein,
the annular sealing ring (42) is an annular rubber sealing ring.
10. The fabricated axially-locking ductile cast iron pipe according to claim 3, wherein,
the section shapes of the annular groove (21) and the clamping piece (23) are the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121140435.8U CN215568632U (en) | 2021-05-26 | 2021-05-26 | Assembled axial locking nodular cast iron pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121140435.8U CN215568632U (en) | 2021-05-26 | 2021-05-26 | Assembled axial locking nodular cast iron pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215568632U true CN215568632U (en) | 2022-01-18 |
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ID=79863778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121140435.8U Active CN215568632U (en) | 2021-05-26 | 2021-05-26 | Assembled axial locking nodular cast iron pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215568632U (en) |
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2021
- 2021-05-26 CN CN202121140435.8U patent/CN215568632U/en active Active
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