Adjustable plastic pipeline

Abstract

The utility model relates to an adjustable plastic pipeline which comprises a first-stage pipeline, at least one second-stage pipeline and a third-stage pipeline, the second-stage pipeline is sleeved on the outer surface of the first-stage pipeline, the third-stage pipeline is sleeved on the outer surface of the second-stage pipeline, the second-stage pipeline is provided with a first anti-falling step and a first fixer, and the second-stage pipeline is provided with a second anti-falling step and a second fixer. The first anti-disengaging step is arranged at the end, close to the first-stage pipeline, of the second-stage pipeline, a first fixing cavity for containing the first fixator is formed in the first anti-disengaging step, a plurality of first concave rings are arranged on the outer surface of the first-stage pipeline at equal intervals, and the first fixator is clamped in the first concave rings. According to the adjustable plastic pipeline, the diameter of the pipeline is gradually increased so as to be matched with two plastic pipelines with different pipe diameters, the first-stage pipeline is fixedly connected with the pipeline with the small pipe diameter in a welding or threaded connection mode, and the third-stage pipeline is fixedly connected with the pipeline with the large pipe diameter in a welding or threaded connection mode; quick connection of two plastic pipelines with different pipe diameters is achieved, and different connection requirements are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plastic pipeline, especially to an adjustable plastic pipeline. BACKGROUND

[0002] Plastic is mainly composed of carbon, oxygen, hydrogen, nitrogen and other organic or inorganic elements and is widely used. It is an indispensable part of home appliances, automobiles, mobile phones, PCs, medical devices and lighting appliances. With the sustained and stable growth of China's economy, the home appliance, automobile, mobile phone, PC and medical device industries have also achieved rapid development due to the good external environment. The development of downstream industries further drives the demand for plastic. With the rapid development of the plastic industry and the continuous improvement of the performance of plastic, plastic parts have been more widely used. Plastic parts are replacing traditional metal parts in different fields. A well-designed plastic part can replace multiple traditional metal parts, thereby achieving the purpose of simplifying product structure and saving manufacturing cost. Plastic pipes can be used for the delivery of various liquids. They have the advantages of light weight, corrosion resistance, difficulty in scaling, small resistance, and convenience in installation and maintenance. They are widely used in chemical industry, agriculture, municipal administration, construction and mineral industry. They are mainly used for the delivery of domestic water and the discharge of sewage, heating, cable sheath pipe, agricultural irrigation and the delivery of various chemical liquids. In the national economy, they gradually replace metal pipes in some fields due to their unique performance. Currently, the application of plastic pipes accounts for more than 50% of the market share of various pipe materials. When the plastic pipeline is damaged and needs to be replaced, the replaced pipeline does not match the original pipeline in diameter, causing difficulty in connecting the pipelines of different diameters. SUMMARY

[0003] The main purpose of the utility model is to provide an adjustable plastic pipeline to solve the above technical problems and quickly connect the pipelines between different diameters.

[0004] To achieve the above purpose, the utility model adopts the following technical scheme:

[0005] An adjustable plastic pipeline comprises a primary pipeline, at least one secondary pipeline and a tertiary pipeline. The secondary pipeline is sleeved on the outer surface of the primary pipeline. The tertiary pipeline is sleeved on the outer surface of the secondary pipeline. The secondary pipeline is provided with a first anti-dropping step and a first fixer. The first anti-dropping step is arranged at the end of the secondary pipeline close to the primary pipeline. The first anti-dropping step is provided with a first fixing cavity for placing the first fixer. The outer surface of the primary pipeline is equidistantly provided with a plurality of first concave rings. The first fixer is clamped in the first concave ring.

[0006] As a preferred technical scheme, the first fixer comprises a first spring and a first ball, one end of the first spring is in abutment with the bottom of the first fixing chamber, and the other end is in abutment with the first ball.

[0007] As a preferred technical scheme, the first level pipeline is further provided with a first convex ring, the first convex ring is arranged at the end of the first level pipeline and is close to the second level pipeline.

[0008] As a preferred technical scheme, the first level pipeline is further provided with a first sealing ring, the first sealing ring is sleeved on the outer surface of the first convex ring.

[0009] As a preferred technical scheme, the second level pipeline is further provided with a first anti-dropping convex block, the first anti-dropping convex block is arranged at the end of the second level pipeline away from the first level pipeline.

[0010] As a preferred technical scheme, the third level pipeline is provided with a second anti-dropping step and a second fixer, the second anti-dropping step is arranged at the end of the third level pipeline close to the second level pipeline, the second anti-dropping step is provided with a second fixing chamber for placing the second fixer, the outer surface of the second level pipeline is equidistantly provided with a plurality of second concave rings, and the second fixer is clamped in the second concave ring.

[0011] As a preferred technical scheme, the second fixer comprises a second spring and a second ball, one end of the second spring is in abutment with the bottom of the second fixing chamber, and the other end is in abutment with the second ball.

[0012] As a preferred technical scheme, the second level pipeline is further provided with a second convex ring, the second convex ring is arranged at the end of the second level pipeline and is close to the second level pipeline.

[0013] As a preferred technical scheme, the second level pipeline is further provided with a second sealing ring and a third sealing ring, the second sealing ring is sleeved on the outer surface of the second convex ring, and the third sealing ring is arranged on both sides of the first fixer and is in abutment with the outer surface of the first level pipeline.

[0014] As a preferred technical scheme, the third level pipeline is further provided with a second anti-dropping convex block, the second anti-dropping convex block is arranged at the end of the third level pipeline away from the second level pipeline.

[0015] As a preferred technical scheme, the third level pipeline is further provided with a fourth sealing ring, the fourth sealing ring is arranged on both sides of the second fixer.

[0016] The adjustable plastic pipeline has the advantages that the diameter of the pipeline is gradually increased to match two plastic pipelines with different diameters, the first-stage pipeline is connected and fixed with the pipeline with the small diameter through the fusion or threaded connection mode, the third-stage pipeline is connected and fixed with the pipeline with the large diameter through the fusion or threaded connection mode, the two plastic pipelines with different diameters are quickly connected, and different connection requirements are met. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 Figure 1 is a schematic view of a contraction structure of the adjustable plastic pipeline according to the embodiment 1 of the present application;

[0018] Figure 2 Figure 2 is a schematic view of an elongation structure of the adjustable plastic pipeline according to the embodiment 1 of the present application;

[0019] Figure 3 Figure 3 is a sectional view of the adjustable plastic pipeline according to the embodiment 1 of the present application;

[0020] Figure 4 Figure 4 is a schematic view of an elongation structure of the adjustable plastic pipeline according to the embodiment 2 of the present application. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application is further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application, and are not used to limit the present application.

[0022] [Embodiment 1]

[0023] Please refer to Figure 1 , Figure 2 and Figure 3 , an adjustable plastic pipeline comprises a first-stage pipeline 100, at least one second-stage pipeline 200 and a third-stage pipeline 300, the second-stage pipeline 200 is sleeved on the outer surface of the first-stage pipeline 100, the third-stage pipeline 300 is sleeved on the outer surface of the second-stage pipeline 200, so that the diameter of the pipeline is gradually increased to match two plastic pipelines with different diameters, the first-stage pipeline 100 is connected and fixed with the pipeline with the small diameter through the fusion mode, the third-stage pipeline 300 is connected and fixed with the pipeline with the large diameter through the fusion mode, so that the two plastic pipelines with different diameters are quickly connected, and in particular, external threads can be arranged on the outer surfaces of the first-stage pipeline 100 and the third-stage pipeline, so that the first-stage pipeline 100 and the third-stage pipeline are respectively connected and fixed with the plastic pipelines with the small diameter and the large diameter through the threaded connection mode, thereby meeting different connection requirements.

[0024] The first concave ring 101, the first convex ring 102 and the first sealing ring 103 are arranged on the primary pipeline 100, the plurality of first concave rings 101 are equidistantly arranged on the outer surface of the primary pipeline 100, the first convex ring 102 is arranged on the end of the primary pipeline 100 close to the secondary pipeline 200, the first sealing ring 103 is sleeved on the outer surface of the first convex ring 102 and abuts against the inner surface of the secondary pipeline 200.

[0025] The first anti-disengagement convex block 202, the first anti-disengagement step 205, the first fixer 206 and the third sealing ring 209 are arranged on the secondary pipeline 200, the first anti-disengagement step 205 is arranged on the end of the secondary pipeline 200 close to the primary pipeline 100, the first anti-disengagement step 205 is provided with the first fixing chamber 2051 for placing the first fixer 206, the first fixer 206 can be clamped with the first concave ring 101, in the embodiment, the first fixer 206 can be provided with four, so that the first fixer 206 is uniformly clamped on the first concave ring 101, thereby ensuring that the primary pipeline 100 is uniformly stressed, the first fixer 206 comprises the first spring 207 and the first ball 208, one end of the first spring 207 abuts against the bottom of the first fixing chamber 2051, the other end abuts against the first ball 208, so that the first ball 208 can be clamped into the first concave ring 101, thereby relatively fixing the primary pipeline 100 and the secondary pipeline 200, the first anti-disengagement convex block 202 is arranged on the end of the secondary pipeline 200 away from the primary pipeline 100, so that the first convex ring 102 moves between the first anti-disengagement convex block 202 and the first anti-disengagement step 205, thereby preventing the primary pipeline 100 from disengaging from the secondary pipeline 200, the third sealing ring 209 is arranged on both sides of the first fixer 206 and abuts against the outer surface of the primary pipeline 100, by arranging the third sealing ring 209 and the first sealing ring 103, the primary pipeline 100 and the secondary pipeline 200 are sealed, thereby preventing the liquid in the pipeline from leaking into the primary pipeline 100 and the secondary pipeline 200.

[0026] The second concave ring 201, the second convex ring 204 and the second sealing ring 203 are arranged on the secondary pipeline 200, the plurality of second concave rings 201 are equidistantly arranged on the outer surface of the secondary pipeline 200, the second convex ring 204 is arranged on the end of the secondary pipeline 200 close to the tertiary pipeline 300, the second sealing ring 203 is sleeved on the outer surface of the second convex ring 204 and abuts against the inner surface of the tertiary pipeline 300.

[0027] The tertiary pipeline 300 is provided with a second anti-slip protrusion 301, a second anti-slip step 302, a second fixture 303 and a fourth sealing ring 306. The second anti-slip step 302 is provided at the end of the tertiary pipeline 300 close to the secondary pipeline 200. The second anti-slip step 302 is provided with a second fixing chamber 3021 for placing the second fixture 303. The second fixture 303 can be clamped with the second concave ring 201. In this embodiment, four second fixtures 303 can be provided, so that the second fixture 303 is evenly clamped on the second concave ring 201 to ensure that the secondary pipeline 200 is evenly stressed. The second fixture 303 includes a second spring 304 and a second ball 305. One end of the second spring 304 abuts against the bottom of the second fixing chamber 3021, and the other end abuts against the second The ball 305 abuts so that the second ball 305 can be stuck into the second concave ring 201, thereby fixing the secondary pipe 200 and the tertiary pipe 300 relatively. The second anti-slip protrusion 301 is arranged on the end of the tertiary pipe 300 away from the secondary pipe 200, so that the second convex ring 204 moves between the second anti-slip protrusion 301 and the second anti-slip step 303, thereby preventing the secondary pipe 200 from escaping from the tertiary pipe 300. The fourth sealing ring 306 is arranged on both sides of the second fixer 303 and abuts against the outer surface of the secondary pipe 200. By setting the fourth sealing ring 306 and the second sealing ring 203, a seal is formed between the secondary pipe 200 and the tertiary pipe 300 to prevent the liquid in the pipe from entering between the secondary pipe 200 and the tertiary pipe 300 and causing leakage.

[0028] [Example 2]

[0029] like Figure 4 As shown, in this embodiment, the difference from Example 1 is that two secondary pipes 200 are provided. For the convenience of explanation, the two secondary pipes 200 are respectively a first secondary pipe 210 and a second secondary pipe 220. The first secondary pipe 210 is sleeved on the outer surface of the first secondary pipe 100, the second secondary pipe 220 is sleeved on the outer surface of the first secondary pipe 210, and the tertiary pipe 300 is sleeved on the outer surface of the second secondary pipe 220. That is, if there are n secondary pipes 200, the nth secondary pipe 200 is sleeved on the outer surface of the n-1th secondary pipe 200, and thus they are arranged in sequence to gradually increase the diameter of the tertiary pipe 300 and connect two plastic pipes of different diameters.

[0030] The above-described embodiments are merely preferred examples of the present invention and are not intended to limit the scope of implementation of the present invention. Therefore, any equivalent changes or modifications made based on the structures, features, and principles described in the scope of the patent application of the present invention should be included in the scope of the patent application of the present invention.

Claims

1. An adjustable plastic pipe, characterized by The utility model provides a pipeline, including one -level pipeline, at least one secondary pipeline and tertiary pipeline, the secondary pipeline is set on the outer surface of one -level pipeline, the tertiary pipeline is set on the outer surface of secondary pipeline, be provided with first anti -drop step and first fixer on the secondary pipeline, first anti -drop step sets up the end portion of secondary pipeline close to one -level pipeline, is provided with first fixed chamber of can place first fixer on first anti -drop step, the outer surface of one -level pipeline is provided with a plurality of first recess ring equidistantly, first fixer is arranged in first recess ring.

2. The adjustable plastic tubing of claim 1, wherein, The first fixer includes a first spring and a first ball, one end of the first spring abuts against the bottom of the first fixed chamber, and the other end abuts against the first ball.

3. The adjustable plastic tubing of claim 2, wherein, The first convex ring is further provided on the one-level pipeline, and the first convex ring is provided on the end portion of the one-level pipeline and close to the secondary pipeline.

4. The adjustable plastic tubing of claim 3, wherein, The first sealing ring is further provided on the one-level pipeline, and the first sealing ring is sleeved on the outer surface of the first convex ring.

5. The adjustable plastic tubing of claim 4, wherein, The first anti-drop convex block is further provided on the secondary pipeline, and the first anti-drop convex block is provided on the end portion of the secondary pipeline away from the one-level pipeline.

6. The adjustable plastic tubing of claim 5, wherein, The second anti-drop step and the second fixer are provided on the tertiary pipeline, the second anti-drop step is provided on the end portion of the tertiary pipeline close to the secondary pipeline, the second anti-drop step is provided with the second fixed chamber capable of placing the second fixer, and a plurality of second recess rings are equidistantly provided on the outer surface of the secondary pipeline. The second fixer is arranged in the second recess ring.

7. The adjustable plastic tubing of claim 6, wherein, The second fixer includes a second spring and a second ball, one end of the second spring abuts against the bottom of the second fixed chamber, and the other end abuts against the second ball.

8. The adjustable plastic tubing of claim 7, wherein, The second convex ring is further provided on the secondary pipeline, and the second convex ring is provided on the end portion of the secondary pipeline and close to the secondary pipeline.

9. The adjustable plastic tubing of claim 8, wherein, The second sealing ring and the third sealing ring are further provided on the secondary pipeline, the second sealing ring is sleeved on the outer surface of the second convex ring, the third sealing ring is provided on both sides of the first fixer and abuts against the outer surface of the one-level pipeline, and the fourth sealing ring is further provided on the tertiary pipeline. The fourth sealing ring is provided on both sides of the second fixer.

10. The adjustable plastic tubing of claim 9, wherein, The second anti-drop convex block is further provided on the tertiary pipeline, and the second anti-drop convex block is provided on the end portion of the tertiary pipeline away from the secondary pipeline.

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