Flexible device for stainless steel pipeline connection

Abstract

The utility model provides a flexible device for connecting stainless steel pipelines, which comprises a flexible connecting component and clamping and pressing joints mounted at the left end and the right end of the flexible connecting component, and the clamping and pressing joints are used for being connected with the pipelines; the flexible connecting assembly comprises a limiting pipe assembly and a telescopic pipe assembly, and the telescopic pipe assembly is installed in the limiting pipe assembly in a sliding mode. The end, located in the limiting pipe assembly, of the telescopic pipe assembly is fixedly connected with a limiting block, and the end, away from the clamping and pressing connector, of the limiting pipe assembly is fixedly connected with a sealing assembly. After the sealing assembly is matched with the limiting block, the telescopic pipe assembly can be limited; according to the utility model, the problems that the pipeline in the prior art is deformed and moved under the influence of factors such as installation connection stress, temperature difference deformation stress and compression state, so that a connector for connecting the pipeline is damaged, and leakage is caused can be solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline connection technical field, concretely is a kind of flexible device of stainless steel pipeline connection. BACKGROUND

[0002] In the process of installing pipeline, often need to connect multiple pipeline, commonly used method has welding, hot melt connection, flange connection and socket connection etc. For example, the pipeline arranged in the pipeline system in the utility model of announcement number "CN221788476U", "CN221034417U" and "CN220957259U" are connected by the cooperation of flange and bolt;

[0003] But the pipeline system in prior art in actual operation, pipeline is deformed and moves under the influence of installation connection stress, temperature difference deformation stress, pressure state and other factors, to cause the connector for connecting pipeline to appear damage, cause leakage. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of flexible device of stainless steel pipeline connection, it can solve the deformation and movement of pipeline in prior art under the influence of installation connection stress, temperature difference deformation stress, pressure state and other factors in actual use process, to cause the connector for connecting pipeline to appear damage, cause leakage.

[0005] To solve the above technical problem, the technical scheme adopted by the utility model is:

[0006] A kind of flexible device of stainless steel pipeline connection, including flexible connection component and the clamp pressure connector of installation in the left and right ends of the flexible connection component, the clamp pressure connector is used to connect with pipeline;

[0007] The flexible connection component includes limiting tube component and telescopic tube component, the telescopic tube component is slidably installed in the limiting tube component;One end of the telescopic tube component in limiting tube component is fixedly connected with limiting block, the end of the limiting tube component away from clamp pressure connector is fixedly connected with sealing assembly;

[0008] The sealing assembly can limit the telescopic tube component after cooperating with the limiting block.

[0009] Preferably, the limiting tube component includes first limiting sleeve and outer sleeve, the first limiting sleeve is fixedly connected with the outer sleeve coaxially, the connecting portion of the first limiting sleeve and the outer sleeve forms first limiting surface for limiting the telescopic tube component after cooperating with the limiting block, the telescopic tube component is slidably installed in the outer sleeve, and the sealing assembly is installed at the end of the outer sleeve away from the clamp pressure connector.

[0010] Preferably, the telescopic pipe assembly comprises a moving pipe and a second limiting sleeve, the limiting block is fixedly arranged at one end of the moving pipe located in the outer sleeve, the second limiting sleeve is fixedly connected at one end of the moving pipe close to the clamping joint, and the second limiting sleeve and the clamping joint form a second limiting surface for limiting the moving pipe in cooperation with the outer sleeve.

[0011] Preferably, the sealing assembly comprises a sealing sleeve and a first sealing ring, the sealing sleeve is coaxially fixedly connected in the outer sleeve, and the sealing sleeve is provided with a first sealing groove for mounting the first sealing ring.

[0012] Preferably, the first sealing groove has a plurality of first sealing rings mounted therein.

[0013] Preferably, the outer sleeve is provided with a sliding groove, and the limiting block is slidingly arranged in the sliding groove.

[0014] Preferably, the clamping joint is provided with a second sealing groove, and the second sealing groove is provided with a second sealing ring.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] In the utility model, the telescopic pipe assembly slides in the limiting pipe assembly along with the deformation and movement of the pipeline, so that the length change of the pipeline does not affect the sealing performance of the pipeline connection or cause the stress of the pipeline connection to increase, so that the pipeline is not leaked or damaged.

[0017] The sealing assembly can seal the gap between the limiting pipe assembly and the outer sleeve assembly, and the sealing assembly can limit the telescopic pipe assembly in cooperation with the limiting block fixedly arranged on the telescopic pipe assembly, so that the pipeline connection is safe and reliable, and the telescopic pipe assembly is prevented from being pulled out of the limiting pipe assembly during movement. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the utility model, and therefore should not be regarded as a limitation to the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0019] Figure 1 It is a perspective view of the utility model.

[0020] Figure 2It is a structure schematic view of the embodiment one in the utility model.

[0021] Figure 3 It is a structure schematic view of the embodiment two in the utility model.

[0022] In the drawings, the component list represented by each sign is as follows:

[0023] 101-flexible connecting assembly, 102-pressing connector, 103-limiting tube assembly, 104-telescopic tube assembly, 105-limiting block, 106-sealing assembly, 107-first limiting sleeve, 108-outer sleeve, 109-first limiting surface, 110-moving tube, 111-second limiting sleeve, 112-second limiting surface, 113-sealing sleeve, 114-first sealing ring, 115-second sealing ring, 116-flexible sleeve, 117-third sealing ring. DETAILED DESCRIPTION

[0024] In the following, only certain exemplary embodiments are simply described.As can be appreciated by those skilled in the art, the described embodiments can be modified in various different manners without departing from the spirit or scope of the embodiments of the utility model.Therefore, the drawings and the description are considered to be exemplary in nature rather than limiting.

[0025] In the description of the embodiments of the utility model, it is understood that the orientation or positional relationship indicated by the terms "length", "vertical", "horizontal", "top", "bottom" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the embodiments of the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the embodiments of the utility model.

[0026] In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features.Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more of the features.In the description of the embodiments of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0027] In the embodiments of the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection, or integrated; can be mechanical connection, can also be electrical connection, and can also be communication; can be directly connected, can also be indirectly connected through an intermediate medium, and can be the communication or interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0028] In the embodiments of the present application, unless otherwise explicitly specified and limited, the first feature "on" or "under" the second feature can include that the first and second features are in direct contact, or can include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "on" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "under", "below" and "under" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0029] The following disclosure provides many different embodiments or examples for implementing different structures of the embodiments of the present application. In order to simplify the disclosure of the embodiments of the present application, the components and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the embodiments of the present application. In addition, the embodiments of the present application can repeatedly refer to numbers and / or letters in different examples, and such repetition is for the purpose of simplification and clarity, which itself does not indicate the relationship between the various embodiments and / or settings discussed.

[0030] The embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0031] Embodiment one

[0032] Referring to Figures 1-2 The present embodiment discloses a pipeline connecting device for mounting at the connecting part of a pipeline, specifically a flexible device for connecting stainless steel pipelines, comprising a flexible connecting assembly 101 and a clamping connector 102 mounted at the left and right ends of the flexible connecting assembly 101, the clamping connector 102 being used for connecting with the pipeline;

[0033] The flexible connection assembly 101 comprises a limiting tube assembly 103 and a telescopic tube assembly 104, the telescopic tube assembly 104 is slidingly installed in the limiting tube assembly 103; one end of the telescopic tube assembly 104 in the limiting tube assembly 103 is fixedly connected with a limiting block 105, and the other end of the limiting tube assembly 103 away from the clamp joint 102 is fixedly connected with a sealing assembly 106.

[0034] The sealing assembly 106 can limit the telescopic tube assembly 104 after cooperating with the limiting block 105.

[0035] In the embodiment, when the pipeline deforms and moves under the influence of installation connection stress, temperature difference deformation stress, pipeline pressure state and other factors, the telescopic tube assembly 104 will slide in the limiting tube assembly 103 along with the deformation and movement of the pipeline; so as to avoid that the length change of the pipeline affects the sealing of the pipeline connection or causes the stress of the pipeline connection to increase, which makes the pipeline leak or damage; the sealing assembly 106 connected with the limiting tube assembly 103 can seal the gap between the limiting tube assembly 103 and the outer sleeve 108 assembly; and the sealing assembly 106 can limit the telescopic tube assembly 104 after cooperating with the limiting block 105 fixedly installed on the telescopic tube assembly 104, which ensures the safe and reliable connection of the pipeline and avoids the telescopic tube assembly 104 from being pulled out of the limiting tube assembly 103 during movement; in the embodiment, the clamp joint 102 installed at both ends of the flexible connection assembly 101 can be connected with the pipeline in various connection modes such as clamp, ring clamp, ring clamp and the like, and the structure and connection mode of the clamp joint 102 will not be described one by one here.

[0036] In some embodiments, the limiting tube assembly 103 comprises a first limiting sleeve 107 and an outer sleeve 108, the first limiting sleeve 107 is fixedly connected with the outer sleeve 108 coaxially, and the connection between the first limiting sleeve 107 and the outer sleeve 108 forms a first limiting surface 109 for limiting the telescopic tube assembly 104 after cooperating with the limiting block 105, the telescopic tube assembly 104 is slidingly installed in the outer sleeve 108, and the sealing assembly 106 is installed at the end of the outer sleeve 108 away from the clamp joint 102. In the embodiment, the first limiting sleeve 107 is fixedly installed on the outer sleeve 108 by welding, and the clamp joint 102 is installed at the end of the first limiting sleeve 107 away from the outer sleeve 108; when the pipeline contracts, the length of the flexible connection assembly 101 is shortest when the telescopic tube assembly 104 moves to contact the first limiting surface 109; when the pipeline elongates, the length of the flexible connection assembly 101 is longest when the limiting block 105 installed on the telescopic tube assembly 104 contacts the sealing assembly 106.

[0037] In some embodiments, the telescopic pipe assembly 104 comprises a moving pipe 110 and a second limiting sleeve 111, the limiting block 105 is fixedly installed at one end of the moving pipe 110 located in the outer sleeve 108, and the second limiting sleeve 111 and the clamp joint 102 form a second limiting surface 112 for limiting the moving pipe 110 in cooperation with the outer sleeve 108. In this embodiment, the second limiting sleeve 111 is fixedly installed on the moving pipe 110 by welding, and the clamp joint 102 is installed at one end of the second limiting sleeve 111 away from the moving pipe 110; when the moving pipe 110 moves to contact the outer sleeve 108, the length of the flexible connection assembly 101 is the shortest; the second limiting surface 112 can further limit the moving pipe 110 by cooperating with the outer sleeve 108.

[0038] In some embodiments, the sealing assembly 106 comprises a sealing sleeve 113 and a first sealing ring 114, the sealing sleeve 113 is coaxially fixedly connected in the outer sleeve 108, and the sealing sleeve 113 is provided with a first sealing groove for installing the first sealing ring 114. In this embodiment, the first sealing ring 114 is an O-shaped sealing ring made of rubber, and the second sealing ring 115 is used to seal the gap between the outer sleeve 108 and the moving pipe 110.

[0039] In some embodiments, the first sealing groove has a plurality of first sealing grooves, and each first sealing groove is provided with the first sealing ring 114. The plurality of first sealing rings 114 are sequentially installed in the second sealing groove to seal the gap between the outer sleeve 108 and the moving pipe 110 in multiple stages.

[0040] In some embodiments, the outer sleeve 108 is provided with a sliding groove, and the limiting block 105 is slidingly installed in the sliding groove. One end of the limiting block 105 extending out of the sliding groove is used to limit the movement of the moving pipe 110 after contacting the sealing sleeve 113; the sliding groove and the limiting block 105 cooperate to limit and guide the moving pipe 110, so that the moving pipe 110 moves more stably.

[0041] In some embodiments, the clamp joint 102 is provided with a second sealing groove, and the second sealing groove is provided with a second sealing ring 115. The second sealing ring 115 is made of rubber material, and the gap between the clamp joint 102 and the pipeline can be sealed by arranging the second sealing ring 115.

[0042] Embodiment two

[0043] ReferenceFigure 3 The embodiment discloses the content of the embodiment one, and the embodiment is further optimized on the basis of the embodiment one;In the embodiment, the telescopic pipe assembly 104 includes a second movable pipe 110, a flexible sleeve 116 and a third limiting sleeve, the second movable pipe 110 and the third limiting sleeve are connected through the flexible sleeve 116;The limiting block 105 is fixedly arranged at one end of the second movable pipe 110 in the outer sleeve pipe 108, the third limiting sleeve is fixedly connected at one end of the second movable pipe 110 close to the clamp and press connector 102, and the third limiting sleeve and the clamp and press connector 102 form a third limiting surface for limiting the movable pipe 110 in cooperation with the outer sleeve pipe 108. When the pipeline is connected through the flexible connecting assembly 101, the pipeline and the flexible connecting assembly 101 will vibrate when the medium flow in the pipeline changes or mechanical vibration occurs outside;By connecting the second movable pipe 110 and the third limiting sleeve through the flexible sleeve 116, the flexible sleeve 116 can deform or move with the vibration of the pipeline when the pipeline and the flexible connecting assembly 101 vibrate, so as to avoid damage or leakage of the pipeline and the flexible connecting assembly 101 under irregular mechanical vibration.

[0044] In some embodiments, a third sealing ring 117 is fixedly installed on the movable pipe 110, and the third sealing ring 117 is in sliding sealing connection with the outer sleeve pipe 108. The third sealing ring 117 is arranged on the side of the flexible sleeve 116 close to the outer sleeve pipe 108;By arranging the third sealing ring 117, the gap between the outer sleeve pipe 108 and the flexible sleeve 116 can be sealed, so as to prevent the liquid in the outer sleeve pipe 108 from leaking through the gap between the outer sleeve pipe 108 and the flexible sleeve 116.

[0045] Although the preferred embodiments of the present application have been described, those skilled in the art can make further changes and modifications to the embodiments once they know the basic inventive concept. Therefore, the appended claims are intended to be interpreted as including all changes and modifications falling within the scope of the present application.

[0046] The above description is only the preferred embodiment of the present application, and is not intended to limit the present application. It should be pointed out that any modification, equivalent replacement and improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A flexible device for connecting stainless steel pipes, characterized in that: It includes a flexible connection assembly (101) and crimp fittings (102) installed at the left and right ends of the flexible connection assembly (101), the crimp fittings (102) being used to connect to a pipe; The flexible connection assembly (101) includes a limiting tube assembly (103) and a telescopic tube assembly (104). The telescopic tube assembly (104) is slidably installed inside the limiting tube assembly (103). One end of the telescopic tube assembly (104) located inside the limiting tube assembly (103) is fixedly connected to a limiting block (105), and the other end of the limiting tube assembly (103) away from the crimp connector (102) is fixedly connected to a sealing assembly (106). The sealing component (106) can limit the telescopic tube assembly (104) after cooperating with the limiting block (105).

2. The flexible device for connecting stainless steel pipes according to claim 1, characterized in that: The limiting tube assembly (103) includes a first limiting sleeve (107) and an outer sleeve (108). The first limiting sleeve (107) and the outer sleeve (108) are coaxially fixedly connected. The connection between the first limiting sleeve (107) and the outer sleeve (108) forms a first limiting surface (109) for limiting the telescopic tube assembly (104) after cooperating with the limiting block (105). The telescopic tube assembly (104) is slidably installed inside the outer sleeve (108). The sealing assembly (106) is installed at the end of the outer sleeve (108) away from the crimp connector (102).

3. The flexible device for connecting stainless steel pipes according to claim 2, characterized in that: The telescopic tube assembly (104) includes a movable tube (110) and a second limiting sleeve (111). The limiting block (105) is fixedly mounted on one end of the movable tube (110) located inside the outer sleeve (108). The second limiting sleeve (111) is fixedly connected to one end of the movable tube (110) near the crimp connector (102). A second limiting surface (112) is formed between the second limiting sleeve (111) and the crimp connector (102) for cooperating with the outer sleeve (108) to limit the movable tube (110).

4. The flexible device for connecting stainless steel pipes according to claim 2, characterized in that: The sealing assembly (106) includes a sealing sleeve (113) and a first sealing ring (114). The sealing sleeve (113) is coaxially fixedly connected inside the outer sleeve (108). The sealing sleeve (113) is provided with a first sealing groove for installing the first sealing ring (114).

5. The flexible device for connecting stainless steel pipes according to claim 4, characterized in that: There are several first sealing grooves, and each first sealing groove is equipped with a first sealing ring (114).

6. The flexible device for connecting stainless steel pipes according to claim 2, characterized in that: The outer tube (108) is provided with a sliding groove, and the limiting block (105) is slidably installed in the sliding groove.

7. The flexible device for connecting stainless steel pipes according to claim 1, characterized in that: The crimp connector (102) is provided with a second sealing groove, and a second sealing ring (115) is installed in the second sealing groove.

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