Pipe orifice plugging piece suitable for PVC-O pipe

Abstract

The utility model provides a pipe orifice plugging piece suitable for a PVC-O pipe, which belongs to the technical field of pipe auxiliary devices and comprises a plugging part close to the end face of a pipe orifice. The plugging plug is arranged on the plugging part, plugged into the tube cavity and attached to the inner wall of the tube cavity; the elastic sleeve is arranged on the plugging part, the elastic sleeve is connected to the outer wall of the pipe in a sleeving mode, and a plurality of protrusions are arranged on the inner wall of the elastic sleeve; and the locking ring is matched with the elastic sleeve, the elastic sleeve is sleeved with the locking ring, the elastic sleeve is shrunk, and the protrusion in the elastic sleeve is tightly attached to the outer wall of the pipe. The locking ring is used for being matched with the elastic sleeve, the elastic sleeve is tightened, the protrusions in the elastic sleeve are made to be tightly attached to the outer wall of the pipe, the protrusions mainly play a role in skid resistance, the elastic sleeve is prevented from moving relative to the outer wall of the pipe, the situation that water pressure in the pipe is too high, and the sealing plug is impacted is prevented, and the sealing plug is prevented from being damaged. And water flow in the pipe is prevented from flowing out of the sealing plug.

Description

Technical Field

[0001] The utility model belongs to the technical field of pipe auxiliary devices, and particularly relates to a pipe opening plugging piece suitable for PVC-O pipes. Background Art

[0002] PVC pipes are widely used due to their good corrosion resistance, high strength, high toughness and high impact resistance. Due to their high chemical stability, they can be used to make anti-corrosion pipes and fittings.

[0003] During the construction process, such as house decoration or renovation of old communities, pipes may rupture due to construction reasons, and water will quickly leak out from the ruptures. Workers are needed to repair the ruptured pipes and seal the ruptures, but for some houses, it is not easy to find the main valve of the water pipes, which makes it difficult to seal the ruptures. At the same time, for some pipelines, it is necessary to change the water pipes, cut off some pipes, and temporarily seal the pipe openings, but the existing pluggers are not convenient for sealing and cannot quickly complete the sealing of the water pipe ends.

[0004] For example, the utility model patent with patent number CN202020131248.2 discloses a PVC plugging device, which can seal leakage holes of PVC pipes of various shapes by setting a sealing rubber body and a sealing cavity. When sealing the leakage hole of the PVC pipe, the sealing rubber body is first inserted into the leakage hole, and sealant is filled in the connection between the sealing rubber body and the leakage hole. Then, the sealing cavity is filled through a filling tube by a small filling machine, so that the filler is filled into the sealing cavity, and the sealing rubber body expands from the inside to the outside, so that the sealing rubber body seals the leakage hole.

[0005] However, when there is water in the water pipe and the water pressure is high, it is not easy for the device to seal the rupture, and the sealing effect is poor. Utility Model Content

[0006] Based on this, the utility model provides a pipe opening plugging device suitable for PVC-O pipes to solve the technical problem in the prior art that when there is water in the water pipe and the water pressure is high, the plugging device is not easy to seal the rupture and the plugging effect is poor.

[0007] The technical solution of the utility model to solve the above technical problems is as follows:

[0008] A pipe opening plugging piece suitable for PVC-O pipes, comprising

[0009] A plugging portion, the plugging portion being arranged close to the end face of the pipe orifice; and

[0010] A sealing plug is arranged on the sealing part, the sealing plug is plugged into the lumen and fits with the inner wall of the lumen; and

[0011] An elastic sleeve is arranged on the blocking part, the elastic sleeve is sleeved on the outer wall of the tube, and a plurality of protrusions are arranged on the inner wall of the elastic sleeve; and

[0012] At least one locking ring matched with the elastic sleeve, the locking ring is sleeved on the elastic sleeve, shrinks the elastic sleeve, and makes the protrusion in the elastic sleeve fit tightly with the outer wall of the tube.

[0013] Preferably, the outer diameter of the elastic sleeve increases gradually from the first end to the second end, a thread is arranged on the outer wall of the elastic sleeve, a plurality of through grooves are opened at one end of the tube wall of the elastic sleeve, and a thread is arranged on the inner wall of the locking ring.

[0014] Preferably, at least one locking ring is provided.

[0015] Preferably, the protrusions are spike-shaped and evenly distributed on the inner wall of the elastic sleeve.

[0016] Preferably, the sealing plug is a columnar sealing plug.

[0017] Preferably, a sealing member is provided on the outer wall of the columnar sealing plug.

[0018] Preferably, the sealing member is a flexible sealing strip, and the flexible sealing strip is wound around the cylindrical sealing plug.

[0019] Preferably, a knocking column is further provided on the blocking portion, and the knocking column is arranged at an end away from the blocking block.

[0020] Compared with the prior art, the utility model has at least the following advantages:

[0021] (1) It is easy to use and can block the pipe opening or temporarily block the pipe opening. It does not require a large number of blocking equipment for blocking. Only one worker is needed to complete the blocking work of the pipe opening, and the blocking effect is good.

[0022] (2) Wide range of applications; ① Whether there is water in the pipeline or not, the pipe opening can be sealed; ② It can seal the pipe openings of different types of pipes, including hard pipes and soft pipes; ③ It can seal the pipe openings of pipes set up in special terrains, such as narrow spaces where it is not convenient to use professional sealing equipment to seal the pipe openings. This sealing piece can be used to seal the pipe openings. For example, pipes near corners are not convenient to use professional sealing equipment to seal the pipe openings. This sealing piece can be used to seal the pipe openings.

[0023] (3) The sealing effect is good. The locking ring is used in conjunction with the elastic sleeve to tighten the elastic sleeve so that the protrusion inside the elastic sleeve fits tightly against the outer wall of the pipe. The protrusion mainly plays an anti-slip role, preventing the elastic sleeve and the outer wall of the pipe from being displaced relative to each other, preventing the water pressure inside the pipe from being too high and impacting the sealing plug, and preventing the water flow in the pipe from flowing out of the sealing plug. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is an axonometric view of a pipe end plugging piece suitable for PVC-O pipes.

[0025] Figure 2 This is the front view of the pipe end plugging piece suitable for PVC-O pipes.

[0026] Figure 3 This is the left view of the pipe end plugging piece suitable for PVC-O pipes.

[0027] Figure 4 for Figure 3 AA half section view.

[0028] Figure 5 It is a half-section view of a pipe end plugging piece (including the pipe) suitable for PVC-O pipes.

[0029] In the figure: a sealing portion 100 , a sealing plug 200 , a sealing member 210 , an elastic sleeve 300 , a protrusion 310 , a thread 320 , a through groove 330 , a locking ring 400 , a knocking column 500 , and a pipe 600 . DETAILED DESCRIPTION

[0030] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present invention can be combined with each other. The technical solution of the present invention will be further described below in conjunction with the drawings of the embodiments of the present invention, and the present invention is not limited to the following specific implementation methods.

[0031] It should be understood that the same or similar numbers in the drawings of the embodiments correspond to the same or similar parts. In the description of the present utility model, it should be understood that if there are terms such as "upper", "lower", "front", "back", "left", "right", "top", "bottom" and the like indicating the orientation or positional relationship, they are based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as a limitation on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0032] Please see Figures 1 to 5A pipe orifice plugging piece suitable for PVC-O pipes, comprising a plugging portion 100, the plugging portion 100 being arranged close to the end face of the pipe orifice; and a sealing plug 200 arranged on the plugging portion 100, the sealing plug 200 being plugged into the pipe cavity and fitting with the inner wall of the pipe cavity; and an elastic sleeve 300 arranged on the plugging portion 100, the elastic sleeve 300 being sleeved on the outer wall of the pipe, the inner wall of the elastic sleeve 300 being provided with a plurality of protrusions 310; and at least one locking ring 400 matching the elastic sleeve 300, the locking ring 400 being sleeved on the elastic sleeve 300, shrinking the elastic sleeve 300, and making the protrusions 310 in the elastic sleeve 300 fit tightly with the outer wall of the pipe.

[0033] When the elastic sleeve 300 is subjected to force, it elastically contracts, and the elastic sleeve 300 can fit closely with the outer wall of the tube. When the elastic sleeve 300 is not subjected to force, the elastic sleeve 300 returns to its initial state under the action of elastic force.

[0034] The locking ring 400 and the elastic sleeve 300 can be shrunk in cooperation, that is, they can be shrunk by binding, by using the thread 320, by internal extrusion, or by other methods of shrinking the elastic sleeve 300.

[0035] Specific use process:

[0036] When ① a pipe ruptures, ② directly plug the end of the pipe, ③ temporarily plug the water pipe on the construction site, you can use this plugging piece to plug. For example, when a water pipe ruptures, a large amount of water will be sprayed from the ruptured port of the water pipe. Generally, DN15 or DN20 pipes are used in households. Take the DN15 water pipe as an example. When the DN15 water pipe ruptures, use the plugging piece that matches the DN15 water pipe. First, cut off the water pipe from the ruptured port of the water pipe, remove the locking ring 400 from the elastic sleeve 300, and first put the locking ring 400 on the water outlet end of the water pipe. Then, use the sealing plug 200 on the sealing part 100 to plug it into the pipe cavity. At this time, the elastic sleeve 300 is also put on. On the pipe wall of the water outlet end of the water pipe, the protrusion 310 in the elastic sleeve 300 slightly fits with the outer wall of the water pipe. Finally, the locking ring 400 is used to cooperate with the elastic sleeve 300 to tighten the elastic sleeve 300 so that the protrusion 310 in the elastic sleeve 300 fits closely with the outer wall of the pipe. The protrusion 310 mainly plays an anti-slip role to prevent the elastic sleeve 300 from relative displacement with the outer wall of the pipe, prevent the water pressure in the pipe from being too high, impact the sealing plug 200, and prevent the water flow in the pipe from flowing out of the sealing plug 200. Later, find a suitable pipe 600, close the water valve, use professional pipe connection equipment, connect the pipeline, and ensure the normal use of the water pipe.

[0037] The effect achieved:

[0038] (1) It is easy to use and can be used to block the pipe opening or temporarily block the pipe opening. It does not require a large number of blocking equipment to block the pipe opening. Only one worker is needed to complete the blocking of the pipe opening of the pipe 600, and the blocking effect is good.

[0039] (2) Wide application scope; ① Whether there is water in the pipeline or not, the pipe opening can be sealed; ② The pipe openings of different types of pipes 600 can be sealed, including the pipe openings of hard pipes and soft pipes; ③ The pipe openings of pipes 600 set in special terrain can be sealed, such as in a narrow space where it is not convenient to use professional sealing equipment to seal the pipe opening. The sealing piece can be used to seal the pipe opening of pipe 600. For example, in a pipe 600 near a corner, it is not convenient to use professional sealing equipment to seal the pipe opening. The sealing piece can be used to seal the pipe opening of pipe 600.

[0040] (3) The sealing effect is good. The locking ring 400 is used in conjunction with the elastic sleeve 300 to tighten the elastic sleeve 300 so that the protrusion 310 in the elastic sleeve 300 fits tightly against the outer wall of the pipe. The protrusion 310 mainly plays an anti-slip role, preventing the elastic sleeve 300 and the outer wall of the pipe from being displaced relative to each other, preventing the water pressure in the pipe from being too high and impacting the sealing plug 200, and preventing the water flow in the pipe from flowing out of the sealing plug 200.

[0041] Preferably, the outer diameter of the elastic sleeve 300 increases gradually from the first end to the second end, that is, the outer diameter of one end of the elastic sleeve 300 is smaller, and the outer diameter of the other end is larger, while the inner diameter of the elastic sleeve 300 from the first end to the second end is the same, which is convenient for the water pipe to be sleeved on the elastic sleeve 300, and a thread 320 is provided on the outer wall of the elastic sleeve 300, and a plurality of through grooves 330 are opened at one end of the tube wall of the elastic sleeve 300, and a thread 320 is provided on the inner wall of the locking ring 400. When the locking ring 400 is used to seal the orifice of the hard pipe 600, it is sleeved from the end with the smaller outer diameter of the elastic sleeve 300, and the threads 320 provided on the outer wall of the elastic sleeve 300 cooperate with the threads 320 provided on the inner wall of the locking ring 400, and the elastic sleeve is screwed in from the end with the smaller outer diameter toward the end with the larger outer diameter (during the screwing process, if the locking ring 400 has a nut-like shape, it can be screwed in with a wrench. When rotation and sliding occur, use a wrench to fix the sealing part 100, and use another wrench to screw the locking ring 400). Since 300 is elastic and a plurality of through grooves 330 are provided on the elastic sleeve 300, when the elastic sleeve 300 is rotated and screwed in from the end with a smaller outer diameter toward the end with a larger outer diameter, the elastic sleeve 300 on both sides of the through grooves 330 shrinks, and the spacing between the through grooves 330 is reduced. During the sleeve connection of the elastic sleeve 300, the elastic sleeve 300 shrinks and pushes the protrusion 310 toward the outer wall of the pipe. The protrusion 310 squeezes the outer wall of the pipe and clings to the outer wall of the pipe, so that the plugging piece is fastened to the pipe mouth of the pipe 600 to prevent the plugging piece from detaching from the pipe mouth of the pipe 600.

[0042] Further preferably, referring to the figure, at least one locking ring 400 is provided. Specifically, two locking rings 400 are provided, and when the first locking ring 400 shrinks the elastic sleeve 300, since the elastic sleeve 300 shrinks and the diameter is slightly reduced, the inner diameter of the second locking ring 400 used is slightly smaller than the inner diameter of the first locking ring 400, ensuring that both locking rings 400 have a shrinking effect on the elastic sleeve 300, and when one of the locking rings 400 fails, the other locking ring 400 still locks the elastic sleeve 300 normally.

[0043] As a further preferred embodiment, the protrusions 310 are spike-shaped and evenly distributed on the inner wall of the elastic sleeve 300. After the locking ring 400 contracts, the spike-shaped protrusions 310 will penetrate into the outer wall of the pipe 600 and be embedded, but the spike-shaped protrusions 310 will not penetrate the outer wall of the pipe 600 to prevent water leakage. After using the spike-shaped protrusions 310, the plugging piece and the outer wall of the pipe 600 can be significantly prevented from sliding relative to each other, thereby increasing the plugging effect of the plugging piece on the pipe opening of the pipe 600.

[0044] For further information, see Figure 4 and Figure 5 The sealing plug 200 is a columnar sealing plug 200. The columnar sealing plug 200 is inserted into the tube, which can increase the sealing effect of the sealing plug 200 on the one hand, and on the other hand, for the blocking of the hose orifice, since there is no columnar sealing plug 200 as support, the protrusion 310 cannot squeeze the outer wall of the tube, and the sealing piece cannot block the orifice of the hose. The columnar sealing plug 200 is inserted into the hose, which plays a contraction role for the elastic sleeve 300 to contract, so that the protrusion 310 squeezes the outer wall of the tube, thereby achieving the blocking effect on the orifice of the soft tube 600.

[0045] Furthermore, a sealing member 210 is provided on the outer wall of the columnar sealing plug 200. The sealing member 210 is fitted with the inner wall of the pipe 600, so that the sealing plug 200 and the inner wall of the pipe 600 are more tightly fitted, which can increase the sealing effect of the columnar sealing plug 200.

[0046] Specifically, the sealing member 210 may be a sealant, a sealing strip, or a sealing ring.

[0047] Furthermore, the sealing member 210 is a flexible sealing strip, and before use, the flexible sealing strip is wound around the columnar sealing plug 200. The flexible sealing strip is easy to use and can achieve a good sealing effect.

[0048] Preferably, the plugging portion 100 is further provided with a knocking column 500, which is arranged at one end away from the sealing plug 200. Generally, in order to improve the plugging effect on the pipe orifice, a sealing strip is attached to the columnar sealing plug 200, resulting in the diameter of the entire sealing plug 200 being slightly larger than the inner diameter of the pipe, and then the knocking column 500 needs to be twisted with a wrench to screw the columnar sealing plug 200 into the pipe, or the knocking column 500 needs to be knocked with a wrench to insert the columnar sealing plug 200 into the pipe due to knocking.

[0049] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A pipe opening plugging member suitable for PVC-O pipes, used for plugging the pipe opening of PVC-O pipes, characterized in that: include A plugging portion, the plugging portion being arranged close to the end face of the pipe orifice; and A sealing plug is arranged on the sealing part, the sealing plug is plugged into the lumen and fits with the inner wall of the lumen; and An elastic sleeve is arranged on the blocking part, the elastic sleeve is sleeved on the outer wall of the tube, and a plurality of protrusions are arranged on the inner wall of the elastic sleeve; and At least one locking ring matched with the elastic sleeve, the locking ring is sleeved on the elastic sleeve, shrinks the elastic sleeve, and makes the protrusion in the elastic sleeve fit tightly with the outer wall of the tube.

2. The pipe opening plugging piece suitable for PVC-O pipes according to claim 1, characterized in that: The outer diameter of the elastic sleeve increases gradually from the first end to the second end. The outer wall of the elastic sleeve is provided with threads, and one end of the tube wall of the elastic sleeve is provided with a plurality of through grooves. The inner wall of the locking ring is provided with threads.

3. The pipe opening plugging piece suitable for PVC-O pipes according to claim 2, characterized in that: At least one locking ring is provided.

4. The pipe opening plugging piece suitable for PVC-O pipes according to claim 1, characterized in that: The protrusions are spike-shaped and evenly distributed on the inner wall of the elastic sleeve.

5. The pipe opening plugging piece suitable for PVC-O pipes according to claim 1, characterized in that: The sealing plug is a columnar sealing plug.

6. The pipe opening plugging piece suitable for PVC-O pipes according to claim 5, characterized in that: A sealing member is arranged on the outer wall of the columnar sealing plug.

7. The pipe opening plugging piece suitable for PVC-O pipes according to claim 6, characterized in that: The sealing member is a flexible sealing strip which is wound around the cylindrical sealing plug.

8. The pipe opening plugging piece suitable for PVC-O pipes according to claim 1, characterized in that: The blocking portion is also provided with a knocking column, and the knocking column is arranged at an end away from the blocking block.

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