Corrosion-resistant metal corrugated pipe

Abstract

The utility model discloses a corrosion-resistant metal corrugated pipe which is characterized in that a corrugated isolation pipe is sleeved on the inner side of a fixed operation pipe, a stab-resistant limiting pipe is sleeved on the outer side of the fixed operation pipe, threaded connection rings are symmetrically adhered to one end of the outer side of the stab-resistant limiting pipe, and the side ends of the threaded connection rings are connected with a combined operation sleeve through threads; an isolation limiting ring adheres to one end of the combined operation sleeve, insertion fixing grooves are symmetrically formed in one end of the isolation limiting ring, and a sealing attaching ring adheres to one end of the combined operation sleeve. The inner side and the outer side of the metal corrugated pipe are isolated and protected in cooperation with the corrugated isolation pipe and the puncture-proof limiting pipe, comprehensive protection and isolation are achieved, the influence of the external environment and conveyed objects on the corrugated pipe is reduced, through multi-position protection and isolation treatment, the positions affected by corrosion are reduced, damage is relieved, and the use stability of the pipeline is improved. The service life of the pipeline is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to corrugated pipe technical field, concretely is a kind of metal's corrosion-resistant corrugated pipe. BACKGROUND

[0002] Metal corrugated pipe is a kind of pipe material, which is shaped like a regular wave. Commonly used metal corrugated pipes include carbon steel, stainless steel, steel lined plastic, aluminum, etc. They are mainly used in situations that require small bending radius non-concentric axial transmission, irregular turning and expansion, absorbing thermal deformation of pipelines, fixed elbow installation, connecting pipelines and equipment, etc.

[0003] However, when the metal corrugated pipe is used, it is exposed to the environment for a long time without effective protective components, and the surface will be corroded by the environment and the transported material, causing damage and affecting the stability and service life of the pipeline. UTILITY MODEL CONTENT

[0004] The utility model provides a kind of metal's corrosion-resistant corrugated pipe, can effectively solve the problem of the above background technology that metal corrugated pipe is used, it is exposed to the environment for a long time without effective protective components, and the surface will be corroded by the environment and the transported material, causing damage and affecting the stability and service life of the pipeline.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a kind of metal's corrosion-resistant corrugated pipe, including fixed operating pipe, the fixed operating pipe side end is provided with protective assembly;

[0006] The protective assembly includes a corrugated isolation pipe;

[0007] The fixed operating pipe inside is sleeved with corrugated isolation pipe, and the fixed operating pipe outside is sleeved with anti-puncture limiting pipe;

[0008] The anti-puncture limiting pipe outside one end is symmetrically bonded with threaded connection ring, and the threaded connection ring side end is connected with combined operation sleeve by thread;

[0009] The combined operation sleeve one end is bonded with isolation limiting ring, and the isolation limiting ring one end is symmetrically provided with insertion fixing groove;

[0010] The combined operation sleeve one end is correspondingly bonded with connection limiting ring at isolation limiting ring position, and the combined operation sleeve one end is bonded with sealing fitting ring.

[0011] According to the above technical scheme, the outer diameter of the corrugated isolation pipe is equal to the inner diameter of the fixed operating pipe, and the inner diameter of the anti-puncture limiting pipe is equal to the outer diameter of the fixed operating pipe.

[0012] According to the technical scheme, the side end of the combined operation sleeve is attached to one end of the fixed operation pipe, the corrugated isolation pipe and the anti-puncture limiting pipe, and one end of the connecting limiting ring is embedded and installed at the side end of the insertion fixing groove.

[0013] According to the technical scheme, the side end of the anti-puncture limiting pipe is provided with a connecting assembly.

[0014] The connecting assembly comprises a threaded operation ring.

[0015] The side end of the anti-puncture limiting pipe is symmetrically bonded with a threaded operation ring, and the side end of the threaded operation ring is connected with an operation threaded sleeve through screwing.

[0016] A telescopic connecting pipe is installed between the two operation threaded sleeves, and an isolation limiting sleeve is bonded at one end of the operation threaded sleeve.

[0017] An isolation limiting sleeve is welded at one end of the inner side of the operation threaded sleeve, and a combined sealing ring is bonded at one end of the operation threaded sleeve.

[0018] According to the technical scheme, the side ends of the two threaded operation rings are attached, and the side end of the operation threaded sleeve is attached to one end of the fixed operation pipe, the corrugated isolation pipe and the anti-puncture limiting pipe.

[0019] According to the technical scheme, the side ends of the two isolation limiting sleeves are connected in a sleeve manner, and the inner side end of the combined sealing ring is bonded with the outer side end of the anti-puncture limiting pipe.

[0020] Compared with the prior art, the utility model has the advantages that the structure is scientific and reasonable, and the use is safe and convenient.

[0021] 1. The protective assembly is bonded to the side end of the anti-puncture limiting pipe through a threaded connecting ring, the threaded connecting ring and the combined operation sleeve are combined and connected through threads, the combined operation sleeve and the sealing attachment ring are attached to the side end of the fixed operation pipe, the corrugated isolation pipe and the anti-puncture limiting pipe, the isolation limiting ring and the connecting limiting ring are clamped and connected through the insertion fixing groove, the inner side and the outer side of the metal corrugated pipe are isolated and protected through the corrugated isolation pipe and the anti-puncture limiting pipe, comprehensive protection and isolation are realized, the influence of the external environment and the conveyed object on the corrugated pipe is reduced, the positions affected by corrosion are reduced through multi-position protection and isolation treatment, the damage is slowed down, the stability of the pipeline use is improved, and the service life of the pipeline is prolonged.

[0022] 2. The connecting assembly is provided with a threaded operating ring bonded to the side end of the anti-puncture limiting tube, and the threaded operating ring and the operating threaded sleeve are fixedly connected through threads, and the side end of the operating threaded sleeve and the isolation limiting sleeve is attached to the fixed operating tube, the corrugated isolation tube and the side end of the anti-puncture limiting tube, so as to realize alignment and isolation limitation, pull the telescopic connecting tube, and cooperate with the sliding adjustment of the isolation limiting sleeve to adjust the distance, stably isolate the inside, adjust the distance between the two operating threaded sleeves, realize stable combination connection, ensure that the metal corrugated pipe can be adjusted in size according to the actual distance during relay connection, and can stably isolate and limit the outside, improve the protection effect, and prolong the service life of the corrugated pipe. BRIEF DESCRIPTION OF DRAWINGS

[0023] The accompanying drawings are intended to provide a further understanding of the present application, and constitute a part of the specification, and together with the embodiments of the present application, serve to explain the present application, and do not constitute a limitation on the present application.

[0024] In the drawings:

[0025] Figure 1 is a schematic diagram of the three-dimensional structure of the present application;

[0026] Figure 2 is a schematic diagram of the structure of the protection assembly of the present application;

[0027] Figure 3 is a schematic diagram of the installation structure of the connecting limiting ring of the present application;

[0028] Figure 4 is a schematic diagram of the structure of the connecting assembly of the present application;

[0029] Reference numerals in the drawings: 1, fixed operating tube;

[0030] 2, protection assembly; 201, corrugated isolation tube; 202, anti-puncture limiting tube; 203, threaded connecting ring; 204, combined operating sleeve; 205, isolation limiting ring; 206, insertion fixing groove; 207, connecting limiting ring; 208, sealing attachment ring;

[0031] 3, connecting assembly; 301, threaded operating ring; 302, operating threaded sleeve; 303, telescopic connecting tube; 304, isolation limiting sleeve; 305, isolation limiting sleeve; 306, combined sealing ring. DETAILED DESCRIPTION

[0032] The preferred embodiments of the present application will be described below in conjunction with the accompanying drawings, and it should be understood that the preferred embodiments described herein are only used to illustrate and explain the present application, and do not limit the present application.

[0033] Embodiment: as Figures 1-4The utility model provides a technical scheme, a kind of metal's corrosion-resistant bellows, including fixed operating pipe 1, and fixed operating pipe 1 side end is provided with protection component 2;

[0034] Protection component 2 includes corrugated isolation pipe 201, anti-puncture limiting pipe 202, threaded connection ring 203, combined operation cover 204, isolation limiting ring 205, insertion fixed groove 206, connecting limiting ring 207 and sealing fit ring 208;

[0035] The inside of fixed operating pipe 1 is sleeved with corrugated isolation pipe 201, and the outside of fixed operating pipe 1 is sleeved with anti-puncture limiting pipe 202, the outer diameter of corrugated isolation pipe 201 is equal to the inner diameter of fixed operating pipe 1, and the inner diameter of anti-puncture limiting pipe 202 is equal to the outer diameter of fixed operating pipe 1, to realize steady fit protection, ensure the stable isolation of bellows, reduce the damage of external and internal corrosion to bellows;

[0036] One end of the outside of anti-puncture limiting pipe 202 is symmetrically bonded with threaded connection ring 203, and the side end of threaded connection ring 203 is connected with combined operation cover 204 through threads, and the side end of combined operation cover 204 is in contact with fixed operating pipe 1, corrugated isolation pipe 201 and one end of anti-puncture limiting pipe 202, to realize side end clamping protection, ensure the effect and stability of side end sealing;

[0037] One end of combined operation cover 204 is bonded with isolation limiting ring 205, and insertion fixed groove 206 is symmetrically formed in one end of isolation limiting ring 205;

[0038] Connecting limiting ring 207 is clamped at the position of one end of combined operation cover 204 corresponding to isolation limiting ring 205, and one end of connecting limiting ring 207 is embedded and installed in the side end of insertion fixed groove 206, to ensure the stability of clamping combination and alignment limitation, and sealing fit ring 208 is bonded at one end of combined operation cover 204.

[0039] Anti-puncture limiting pipe 202 side end is provided with connecting component 3;

[0040] Connecting component 3 includes threaded operation ring 301, operation threaded sleeve 302, telescopic connecting pipe 303, isolation limiting sleeve 304, isolation limiting sleeve 305 and combined sealing ring 306;

[0041] Anti-puncture limiting pipe 202 side end is symmetrically bonded with threaded operation ring 301, and the side end of two threaded operation rings 301 is in contact, to realize alignment clamping and alignment limitation, ensure the stability of connection, and the side end of threaded operation ring 301 is connected with operation threaded sleeve 302 through threads, and the side end of operation threaded sleeve 302 is in contact with fixed operating pipe 1, corrugated isolation pipe 201 and one end of anti-puncture limiting pipe 202, to realize alignment fit and alignment protection, ensure the stability of isolation limitation;

[0042] The telescopic connecting pipe 303 is arranged between the two operation threaded sleeves 302, one end of the operation threaded sleeve 302 is bonded with the isolation limiting sleeve 304, and the two isolation limiting sleeves 304 are connected in sleeve fit mode, so that the stability of the alignment combination and internal telescopic protection is ensured.

[0043] The isolation limiting sleeve 305 is welded to the inner side of the operation threaded sleeve 302, the operation threaded sleeve 302 is bonded with the combined sealing ring 306, and the inner side of the combined sealing ring 306 is bonded with the outer side of the anti-puncture limiting pipe 202, so that the alignment protection and the close protection are realized.

[0044] The working principle and use process of the utility model are as follows: when the metal corrugated pipe is used independently, the staff bonds the threaded connecting ring 203 to the side end of the anti-puncture limiting pipe 202, the threaded connecting ring 203 and the combined operation sleeve 204 are combined and connected through threads, the combined operation sleeve 204 is close to the side end of the fixed operation pipe 1, the corrugated isolation pipe 201 and the anti-puncture limiting pipe 202, the sealing close ring 208 is inserted into the side end of the anti-puncture limiting pipe 202, the isolation limiting ring 205 is bonded to the side end of the anti-puncture limiting pipe 202, and the side end of the connecting limiting ring 207 is inserted into the inner side of the insertion fixing groove 206, so that the side end of the fixed operation pipe 1, the corrugated isolation pipe 201 and the anti-puncture limiting pipe 202 are isolated and limited, the side end of the corrugated pipe is comprehensively protected and isolated, the inner side and the outer side of the metal corrugated pipe are isolated and protected by the corrugated isolation pipe 201 and the anti-puncture limiting pipe 202, comprehensive protection and isolation are realized, the corrosion speed of the corrugated pipe is reduced, and the service life is improved.

[0045] When the equipment is connected and relayed, the threaded operation ring 301 is bonded to the side end of the anti-puncture limiting pipe 202, the threaded operation ring 301 and the operation threaded sleeve 302 are fixedly connected through threads, the side end of the operation threaded sleeve 302 is close to the side end of the fixed operation pipe 1, the corrugated isolation pipe 201 and the anti-puncture limiting pipe 202, at this time, the side end of the isolation limiting sleeve 305 is close to the inner side of the anti-puncture limiting pipe 202, alignment isolation is realized, the telescopic connecting pipe 303 is pulled, at this time, the isolation limiting sleeve 304 is slidably adjusted in distance, the interior is stably isolated, the distance between the two operation threaded sleeves 302 is adjusted, stable combination connection is realized, the side end of the combined sealing ring 306 is close to the side end of the threaded operation ring 301 and the operation threaded sleeve 302, side end sealing isolation is realized, and the stability of protection is ensured.

[0046] Finally, it should be noted that: the above is only the preferred examples of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application are described in detail, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.

Claims

1. A metal corrosion-resistant bellows comprising a fixed operating tube (1), characterized in that: The fixed operation pipe (1) side end is provided with a protection assembly (2); The protection assembly (2) comprises a corrugated isolation pipe (201); The fixed operation pipe (1) is sleeved with a corrugated isolation pipe (201) on the inside, and a stab limiting pipe (202) on the outside; The stab limiting pipe (202) is symmetrically bonded with a threaded connecting ring (203) at one end on the outside, and the threaded connecting ring (203) is connected with a combined operation sleeve (204) through threads at the side end; The combined operation sleeve (204) is bonded with an isolation limiting ring (205) at one end, and the isolation limiting ring (205) is symmetrically provided with an insertion fixing groove (206) at one end; The combined operation sleeve (204) is clamped with a connecting limiting ring (207) at one end corresponding to the position of the isolation limiting ring (205), and is bonded with a sealing fitting ring (208) at one end.

2. A metal corrosion resistant bellows according to claim 1, wherein The outer diameter of the corrugated isolation pipe (201) is equal to the inner diameter of the fixed operation pipe (1), and the inner diameter of the stab limiting pipe (202) is equal to the outer diameter of the fixed operation pipe (1).

3. A metal corrosion resistant bellows according to claim 1, wherein The side end of the combined operation sleeve (204) is fitted with the fixed operation pipe (1), the corrugated isolation pipe (201) and the stab limiting pipe (202) at one end, and the connecting limiting ring (207) is embedded and installed at the side end of the insertion fixing groove (206).

4. A metal corrosion resistant bellows according to claim 1, wherein The stab limiting pipe (202) is provided with a connecting assembly (3) at the side end; The connecting assembly (3) comprises a threaded operation ring (301); The stab limiting pipe (202) is symmetrically bonded with a threaded operation ring (301) at the side end, and the threaded operation ring (301) is connected with an operation threaded sleeve (302) through threads at the side end; A telescopic connecting pipe (303) is installed between the two operation threaded sleeves (302), and an isolation limiting sleeve (304) is bonded at one end of the operation threaded sleeve (302); An isolation limiting sleeve (305) is welded at one end on the inside of the operation threaded sleeve (302), and a combined sealing ring (306) is bonded at one end of the operation threaded sleeve (302).

5. A metal corrosion resistant bellows according to claim 4, wherein The side ends of the two threaded operation rings (301) are fitted, and the side ends of the operation threaded sleeves (302) are fitted with the fixed operation pipe (1), the corrugated isolation pipe (201) and the stab limiting pipe (202) at one end.

6. A metal corrosion resistant bellows according to claim 4, wherein The side ends of the two isolation limiting sleeves (304) are connected in sleeve, and the inside end of the combined sealing ring (306) is bonded with the outside end of the stab limiting pipe (202).

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