CN215908592U - Pipeline connecting assembly - Google Patents

Pipeline connecting assembly Download PDF

Info

Publication number
CN215908592U
CN215908592U CN202122279341.5U CN202122279341U CN215908592U CN 215908592 U CN215908592 U CN 215908592U CN 202122279341 U CN202122279341 U CN 202122279341U CN 215908592 U CN215908592 U CN 215908592U
Authority
CN
China
Prior art keywords
pipe
pipe body
joint
connection
layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202122279341.5U
Other languages
Chinese (zh)
Inventor
沙月华
陈俊琛
秦庆戊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
5Elem Hi Tech Corp Technology Co Ltd
Original Assignee
5Elem Hi Tech Corp Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 5Elem Hi Tech Corp Technology Co Ltd filed Critical 5Elem Hi Tech Corp Technology Co Ltd
Priority to CN202122279341.5U priority Critical patent/CN215908592U/en
Application granted granted Critical
Publication of CN215908592U publication Critical patent/CN215908592U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The utility model discloses a pipeline connecting assembly and relates to the technical field of pipeline connection. The pipe connection assembly includes a first connection pipe, a second connection pipe, a joint pipe, and a winding band. The first connecting pipe comprises a first pipe body and an extending pipe section, the second connecting pipe comprises a second pipe body, the extending pipe section is fixedly connected to one end of the first pipe body and inserted into the second pipe body, the joint pipe is sleeved outside the first pipe body and the second pipe body, the first pipe body is connected with the second pipe body through the joint pipe, and the winding belt is spirally wound outside the joint pipe to fix the relative positions of the joint pipe and the first pipe body and the second pipe body. The pipeline connecting assembly provided by the utility model can improve the connecting efficiency of pipelines, is convenient to construct, can improve the reliability of pipeline connection, and avoids water leakage.

Description

Pipeline connecting assembly
Technical Field
The utility model relates to the technical field of pipeline connection, in particular to a pipeline connecting assembly.
Background
At present, in urban construction, the installation and connection of underground drainage pipelines are indispensable projects, industrial wastewater, domestic sewage and rainwater can be discharged, and urban waterlogging is avoided. However, the existing drainage pipeline has complicated construction steps in the connection process, low connection efficiency, poor reliability after connection is completed, and water leakage is easy to occur for a long time.
In view of the above, it is important to design and manufacture a pipe connecting assembly with high connection efficiency and reliable connection, especially in pipe production.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a pipeline connecting assembly which can improve the connecting efficiency of pipelines, is convenient to construct, can improve the reliability of pipeline connection and avoids water leakage.
The utility model is realized by adopting the following technical scheme.
The utility model provides a pipeline connecting assembly, including first connecting pipe, the second connecting pipe, joint pipe and winding area, first connecting pipe includes first pipe body and extension pipeline section, the second connecting pipe includes the second pipe body, extension pipeline section fixed connection is in the one end of first pipe body, and insert the second and manage originally internally, the joint pipe overlaps simultaneously and locates first pipe body and second pipe body externally, first pipe body passes through joint pipe and this body coupling of second pipe, the winding area is the heliciform winding and sets up outside joint pipe, with the relative position of fixed joint pipe and first pipe body and second pipe body.
Optionally, the extension pipe section includes connecting portion and extension, and first pipe body sets up with second pipe body interval, and the one end and the this body coupling of first pipe of connecting portion, the other end are connected with the extension, and connecting portion set up between first pipe body and second pipe body, and the extension laminating sets up in the inner wall of second pipe body.
Optionally, the connecting portion is in a throat shape, the connecting portion is provided with a large end and a small end, the large end is connected with the first pipe body, and the small end is connected with the extending portion.
Optionally, the pipe coupling assembly further includes a sealing member, the first pipe body, the extension pipe section, the second pipe body and the joint pipe together enclose a sealed cavity, and the sealing member is disposed in the sealed cavity.
Optionally, the seal is made of a sponge material.
Optionally, the first pipe body is provided with a first annular groove, the second pipe body is provided with a second annular groove, one end of the joint pipe is arranged in the first annular groove, and the other end of the joint pipe is arranged in the second annular groove.
Optionally, the joint pipe is provided with a first internal thread and a second internal thread, the first pipe body is provided with a first external thread, the second pipe body is provided with a second external thread, the first internal thread is matched with the first external thread, and the second internal thread is matched with the second external thread.
Optionally, the winding belt includes a through winding line and a plurality of skeleton lines, the skeleton lines are arranged in parallel at intervals, a through space is formed between two adjacent skeleton lines, and the through winding line sequentially penetrates through the through spaces to fix the relative positions of the skeleton lines.
Optionally, the number of the penetrating winding wires is multiple, the penetrating winding wires are parallel and are arranged in a fitting mode, and the arrangement direction of the penetrating winding wires is the same as the length direction of the framework wires.
Optionally, the first pipe body comprises an outer sleeve layer, a reinforcing layer, a warp layer and an inner liner layer, the outer sleeve layer is sleeved outside the reinforcing layer, the reinforcing layer is sleeved outside the warp layer, and the warp layer is sleeved outside the inner liner layer.
The pipeline connecting component provided by the utility model has the following beneficial effects:
the utility model provides a pipeline connecting assembly, wherein a first connecting pipe comprises a first pipe body and an extension pipe section, a second connecting pipe comprises a second pipe body, the extension pipe section is fixedly connected to one end of the first pipe body and inserted into the second pipe body, a joint pipe is sleeved outside the first pipe body and the second pipe body simultaneously, the first pipe body is connected with the second pipe body through the joint pipe, and a winding belt is spirally wound outside the joint pipe so as to fix the relative positions of the joint pipe and the first pipe body as well as the second pipe body. Compared with the prior art, the pipeline connecting assembly provided by the utility model adopts the joint pipes sleeved outside the first pipe body and the second pipe body and the winding belts wound outside the joint pipes, so that the connecting efficiency of pipelines can be improved, the construction is convenient, the reliability of pipeline connection can be improved, and the water leakage condition is avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a pipe connection assembly according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a conduit coupling assembly according to an embodiment of the present invention;
fig. 3 is a sectional view illustrating a first connection pipe and a second connection pipe of the pipe connection assembly according to the embodiment of the present invention;
FIG. 4 is a cross-sectional view of a first pipe body of a conduit coupling assembly according to an embodiment of the present invention;
figure 5 is a cross-sectional view of a wrapping tape in a conduit coupling assembly according to an embodiment of the present invention.
Icon: 100-a pipe connection assembly; 110 — a first connection tube; 111-a first tube body; 1111-an overcoat layer; 1112-an enhancement layer; 1113-warp layer; 1114-an inner liner; 112-an extension pipe section; 113-a connecting portion; 114-an extension; 115-big end; 116-small end; 117 — a first annular groove; 118-a first external thread; 120-a second connecting tube; 121-a second tube body; 122-a second annular groove; 123-a second external thread; 130-fitting tube; 131-a first internal thread; 132-a second internal thread; 140-wrap tape; 141-threading a winding; 142-a skeleton line; 143-a first threading line; 144-a second pass-through wire; 145-penetrating space; 150-a seal; 160-seal the cavity.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. 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.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally placed when the products of the present invention are used, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "connected," "mounted," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Some embodiments of the utility model are described in detail below with reference to the accompanying drawings. Features in the embodiments described below may be combined with each other without conflict.
Referring to fig. 1 and fig. 2, a pipeline connecting assembly 100 for connecting and fixing pipelines is provided in an embodiment of the present invention. The pipeline connecting structure can improve the connecting efficiency of pipelines, is convenient to construct, can improve the reliability of pipeline connection, and avoids the water leakage.
The pipe coupling assembly 100 includes a first coupling pipe 110, a second coupling pipe 120, a coupler pipe 130, and a wrapping band 140. The first connection pipe 110 is coaxially disposed with the second connection pipe 120, the first connection pipe 110 is connected with the second connection pipe 120 through the joint pipe 130, and the joint pipe 130 can fix the relative positions of the first connection pipe 110 and the second connection pipe 120 to prevent the first connection pipe 110 from being displaced with respect to the second connection pipe 120. The winding band 140 is spirally wound around the joint pipe 130 to fix the relative positions of the joint pipe 130 and the first and second connection pipes 110 and 120, thereby improving connection reliability. Thus, the construction steps for connecting the first connecting pipe 110 and the second connecting pipe 120 are simple, the connection efficiency is high, and the labor cost and the time cost are reduced.
In this embodiment, the number of the connection pipes is two, which are the first connection pipe 110 and the second connection pipe 120, the specific structures of the first connection pipe 110 and the second connection pipe 120 are the same, and the number of the joint pipe 130 and the number of the winding belt 140 are both one, so as to connect the first connection pipe 110 and the second connection pipe 120. But not limited thereto, in other embodiments, the number of the connection pipes may be three, in which case the number of the connector pipes 130 and the winding band 140 is two; the number of the connection pipes may also be five, and the number of the joint pipes 130 and the number of the winding tapes 140 are four; the number of the connection pipe, the junction pipe 130 and the wrapping tape 140 is not particularly limited.
Referring to fig. 2 and 3, the first connection pipe 110 includes a first pipe body 111 and an extension pipe section 112, and the second connection pipe 120 includes a second pipe body 121. The extension pipe section 112 is fixedly connected to one end of the first pipe body 111 and inserted into the second pipe body 121, and an outer wall of the extension pipe section 112 is attached to an inner wall of the second pipe body 121. In this embodiment, the first pipe body 111 and the extension pipe section 112 are integrally formed to improve the coupling strength. The joint pipe 130 is simultaneously sleeved outside the first pipe body 111 and the second pipe body 121, the first pipe body 111 is connected with the second pipe body 121 through the joint pipe 130, and the joint pipe 130 can fix the relative positions of the first pipe body 111 and the second pipe body 121. The wrapping tape 140 is spirally wound around the joint pipe 130 to fix the relative positions of the joint pipe 130 and the first and second pipe bodies 111 and 121, thereby fixing the relative positions of the first and second connection pipes 110 and 120.
In this embodiment, the joint pipe 130 is a flexible pipe, and the wrapping tape 140 is wrapped around the joint pipe 130 to apply a wrapping force to the joint pipe 130, so as to press and hold the joint pipe 130 outside the first pipe body 111 and the second pipe body 121, thereby ensuring that the joint pipe 130 does not displace or rotate relative to the first pipe body 111 and the second pipe body 121. However, the present invention is not limited thereto, and in other embodiments, the joint pipe 130 may be a rigid pipe, and the wrapping tape 140 may be simultaneously wrapped around the first pipe body 111, the joint pipe 130, and the second pipe body 121 to fix the joint pipe 130 to the first pipe body 111 and the second pipe body 121.
The extension pipe section 112 includes a connection portion 113 and an extension portion 114. The first pipe body 111 and the second pipe body 121 are spaced apart to facilitate installation. One end of the connection portion 113 is connected to the first pipe body 111, and the other end is connected to the extension portion 114. The connection portion 113 is disposed between the first pipe body 111 and the second pipe body 121, and the extension portion 114 is attached to the inner wall of the second pipe body 121, so as to improve the sealing property between the first connection pipe 110 and the second connection pipe 120 and prevent water leakage.
In this embodiment, the connecting portion 113 is connected to the end surface of the first tube main body 111, and the connecting portion 113 is in a shape of a reduced neck. The connecting portion 113 is oppositely provided with a large end 115 and a small end 116, the large end 115 is connected with the first pipe body 111, and the small end 116 is connected with the extending portion 114. Specifically, the extending portion 114 is annularly disposed, an inner diameter of the extending portion 114 is smaller than an inner diameter of the first pipe body 111 and is also smaller than an inner diameter of the second pipe body 121, and an outer wall of the extending portion 114 is disposed to be attached to an inner wall of the second pipe body 121.
Notably, the conduit connection assembly 100 also includes a seal 150. The first pipe body 111, the extension pipe section 112, the second pipe body 121 and the joint pipe 130 together enclose a sealed cavity 160, and the sealing member 150 is disposed in the sealed cavity 160 to seal a gap between the joint pipe 130 and the first pipe body 111, a gap between the joint pipe 130 and the second pipe body 121, and a gap between the extension pipe section 112 and the second pipe body 121, thereby improving the sealing effect of the pipe connection assembly 100 and avoiding water leakage.
In this embodiment, the sealing member 150 is made of a sponge material, and the sponge has a certain water absorption effect and a good sealing effect, but not limited thereto, and the sealing member 150 may also be made of a rubber material, and the material of the sealing member 150 is not particularly limited.
It should be noted that the outer wall of the first pipe body 111 is provided with a first annular groove 117, and the first annular groove 117 is disposed at one end of the first pipe body 111. The outer wall of the second pipe body 121 is provided with a second annular groove 122, and the second annular groove 122 is disposed at one end of the second pipe body 121. One end of the joint pipe 130 is disposed in the first annular groove 117, and the other end is disposed in the second annular groove 122. The first annular groove 117 and the second annular groove 122 can accommodate the joint pipe 130, so that the joint pipe 130 is prevented from protruding out of the outer walls of the first pipe body 111 and the second pipe body 121, and the connection reliability of the first pipe body 111 and the second pipe body 121 is improved.
In this embodiment, the joint pipe 130 is provided with a first internal thread 131 and a second internal thread 132 opposite to each other, the first pipe body 111 is provided with a first external thread 118, the second pipe body 121 is provided with a second external thread 123, the first internal thread 131 is engaged with the first external thread 118, and the second internal thread 132 is engaged with the second external thread 123. Specifically, the joint pipe 130 can be screwed with respect to the first pipe body 111, and at the same time, the joint pipe 130 is also screwed with respect to the second pipe body 121, and when the joint pipe 130 is screwed to the extreme position, the joint pipe 130 cannot continue to rotate in the screwing direction, and at this time, the relative positions of the joint pipe 130 and the first and second pipe bodies 111 and 121 are fixed, so that the relative positions of the first and second pipe bodies 111 and 121 are fixed, and the reliability of the connection of the first and second pipe bodies 111 and 121 is further improved.
Referring to fig. 4, the first pipe body 111 includes an outer jacket layer 1111, a reinforcing layer 1112, a warp layer 1113, and an inner liner layer 1114. The outer sheath layer 1111 is sleeved outside the reinforcing layer 1112, the reinforcing layer 1112 is sleeved outside the warp layer 1113, and the warp layer 1113 is sleeved outside the inner liner 1114. Specifically, the outer jacket layer 1111 serves to protect the outside from corrosion or breakage of the first pipe body 111; the reinforcing layer 1112 is used to improve the strength and pressure-bearing capacity of the first pipe body 111; the wire layer 1113 is used to carry the axial stress of the first pipe body 111; the inner liner 1114 serves to supply water flow.
Referring to fig. 5, the winding belt 140 includes a through winding line 141 and a plurality of skeleton lines 142. The plurality of frame lines 142 are arranged in parallel at intervals, a penetrating space 145 is formed between two adjacent frame lines 142, and the penetrating and winding lines 141 sequentially penetrate through the plurality of penetrating spaces 145 to fix the relative positions of the plurality of frame lines 142 and prevent the plurality of frame lines 142 from being displaced relatively. Specifically, both the wrapping wire 141 and the skeleton wire 142 are made of a nylon material to secure the strength of the wrapping tape 140 itself.
The threading wire 141 includes a first threading wire 143 and a second threading wire 144, the first threading wire 143 and the second threading wire 144 are alternately arranged, the skeleton wire 142 is arranged between the first threading wire 143 and the second threading wire 144, and the first threading wire 143 and the second threading wire 144 are used for clamping the skeleton wire 142. The first and second passing wires 143 and 144 cooperate to fix the relative positions of the plurality of skeleton lines 142.
It should be noted that the number of the penetrating winding lines 141 is multiple, the penetrating winding lines 141 are parallel and arranged in an attaching manner, and the arrangement direction of the penetrating winding lines 141 is the same as the length direction of the skeleton line 142. The plurality of passing wires 141 are densely arranged to completely cover the plurality of skeleton wires 142, thereby knitting the winding band 140.
In the pipe connection assembly 100 according to the embodiment of the present invention, the first connection pipe 110 includes a first pipe body 111 and an extension pipe section 112, the second connection pipe 120 includes a second pipe body 121, the extension pipe section 112 is fixedly connected to one end of the first pipe body 111 and is inserted into the second pipe body 121, the joint pipe 130 is simultaneously sleeved outside the first pipe body 111 and the second pipe body 121, the first pipe body 111 is connected to the second pipe body 121 through the joint pipe 130, and the winding belt 140 is spirally wound outside the joint pipe 130 to fix the relative positions of the joint pipe 130 and the first pipe body 111 and the second pipe body 121. Compared with the prior art, the pipeline connecting assembly 100 provided by the utility model adopts the joint pipe 130 sleeved outside the first pipe body 111 and the second pipe body 121 and the winding belt 140 wound outside the joint pipe 130, so that the connecting efficiency of pipelines can be improved, the construction is convenient, the reliability of pipeline connection can be improved, and the water leakage can be avoided.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. 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 (10)

1. The utility model provides a pipeline connecting assembly, its characterized in that includes first connecting pipe, second connecting pipe, joint pipe and winding area, first connecting pipe includes first pipe body and extension pipeline section, the second connecting pipe includes second pipe body, extend pipeline section fixed connection in the one end of first pipe body, and insert in the second pipe is originally internal, the joint pipe overlaps simultaneously and locates first pipe body with the second pipe is originally external, first pipe body passes through the joint pipe with this body coupling of second pipe, the winding area is heliciform ground winding set up in connect the outside of tubes, in order to fix the joint pipe with first pipe body with the relative position of second pipe body.
2. The conduit coupling assembly of claim 1, wherein the extension pipe section includes a connecting portion and an extension portion, the first pipe body is spaced apart from the second pipe body, one end of the connecting portion is connected to the first pipe body, the other end is connected to the extension portion, the connecting portion is disposed between the first pipe body and the second pipe body, and the extension portion is attached to an inner wall of the second pipe body.
3. The conduit coupling assembly of claim 2, wherein the connecting portion is necked-down, and wherein the connecting portion is oppositely configured with a large end and a small end, the large end being connected to the first pipe body and the small end being connected to the extension portion.
4. The conduit coupling assembly of claim 2, further comprising a seal member, wherein the first pipe body, the extension pipe segment, the second pipe body, and the coupling pipe collectively define a sealed cavity, the seal member being disposed within the sealed cavity.
5. A plumbing connection assembly according to claim 4, wherein the seal is made of a sponge material.
6. The conduit coupling assembly of claim 1, wherein the first pipe body defines a first annular groove, wherein the second pipe body defines a second annular groove, and wherein the adapter tube has one end disposed in the first annular groove and another end disposed in the second annular groove.
7. The conduit coupling assembly of claim 1, wherein the fitting tube is oppositely configured with first and second internal threads, the first tube body is configured with first external threads, the second tube body is configured with second external threads, the first internal threads are engaged with the first external threads, and the second internal threads are engaged with the second external threads.
8. The pipeline connecting assembly according to claim 1, wherein the winding belt comprises a through winding wire and a plurality of skeleton lines, the skeleton lines are arranged in parallel at intervals, a through space is formed between two adjacent skeleton lines, and the through winding wire is sequentially arranged in the through spaces so as to fix the relative positions of the skeleton lines.
9. The pipeline connecting assembly according to claim 8, wherein the number of the penetrating wires is multiple, the penetrating wires are arranged in parallel and in a fitting manner, and the arrangement direction of the penetrating wires is the same as the length direction of the framework lines.
10. The conduit coupling assembly of claim 1, wherein the first pipe body includes an outer jacket layer, a reinforcement layer, a warp layer, and an inner liner layer, the outer jacket layer being disposed outside the reinforcement layer, the reinforcement layer being disposed outside the warp layer, the warp layer being disposed outside the inner liner layer.
CN202122279341.5U 2021-09-18 2021-09-18 Pipeline connecting assembly Active CN215908592U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122279341.5U CN215908592U (en) 2021-09-18 2021-09-18 Pipeline connecting assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122279341.5U CN215908592U (en) 2021-09-18 2021-09-18 Pipeline connecting assembly

Publications (1)

Publication Number Publication Date
CN215908592U true CN215908592U (en) 2022-02-25

Family

ID=80310064

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122279341.5U Active CN215908592U (en) 2021-09-18 2021-09-18 Pipeline connecting assembly

Country Status (1)

Country Link
CN (1) CN215908592U (en)

Similar Documents

Publication Publication Date Title
CN215908592U (en) Pipeline connecting assembly
CN110220049A (en) Composite metal corrugated pipe with hard seal nipple
CN113700953A (en) Pipeline connecting assembly
CN210398001U (en) Pipeline connection structure convenient to loading and unloading
CN216520032U (en) Composite pipe connecting assembly
CN210291035U (en) Bellows assembly that leakproofness is good
CN215908576U (en) Composite pipe connecting assembly and water supply and drainage pipeline
CN110230741A (en) A kind of bellows of the hard seal nipple unit of corrugated stainless steel tubing and the application connector
CN208997492U (en) A kind of HDMP double wave steel strip reinforced multiple tube
CN113958778A (en) Steel skeleton plastic composite pipe
CN207246625U (en) The connector and connection system of a kind of hose and equipment
CN213018269U (en) Mechanical tee joint convenient to disassemble
CN215908583U (en) Spiral winding composite pipeline
CN111255965A (en) Internal pressure reinforced pipe
CN113915421A (en) Drainage pipeline
CN216618845U (en) Shock-proof corrosion-resistant steel wire hose
CN211501927U (en) Steel wire reinforced hydraulic rubber hose
CN212028799U (en) Axial self-sealing pipe fitting
CN217815481U (en) Acid and alkali resistant immersed pipe joint
CN211951753U (en) Internal pressure reinforced pipe
CN215111250U (en) Fiber resin reinforced flexible sealing self-locking spigot-and-socket joint
CN209767122U (en) LTFB (Long-span fiber reinforced polypropylene) single-wall corrugated pipe
CN113653860A (en) Composite pipe connecting assembly and water supply and drainage pipeline
CN214534899U (en) Corrugated pipe convenient to bend
CN211145713U (en) Novel tee bend device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant