Stainless steel pipe convenient to splice

Abstract

The utility model provides a stainless steel pipe convenient to splice. The stainless steel pipe convenient to splice comprises stainless steel pipelines, a threaded fixing pipe is inserted into the stainless steel pipelines, the two stainless steel pipelines are fixed through threaded connection of a threaded pipe fixing mechanism, and better sealing performance is generally provided through threaded connection. The metal contact between the threads can form better sealing, so that the connector is suitable for application needing to prevent liquid or gas leakage, and the connection is relatively easy to detach and reconnect. The filter plate is provided with a sliding groove matched with the fixing block. The detachable filtering device can be more easily taken down and cleaned or replaced so as to ensure the effectiveness of the filtering system, the flange fixing device comprises a limiting bolt and a nut, the bolt is inserted into threaded holes formed in the two attached fixing flanges, and the bolt is fixed by screwing the nut. And disassembly and reconnection are relatively easy, so that pipeline parts are more convenient to maintain and replace.

Description

Technical Field

[0001] The utility model belongs to the field of stainless steel pipe technology, in particular to a stainless steel pipe which is convenient for splicing. Background Art

[0002] With the development of science and technology, the demand for resources is increasing. Pipelines are an important way to transport a variety of social resources. Affected by various factors, there is an increasing demand for stainless steel pipes that are easy to splice. These pipes are usually used to transport large amounts of fluids and gases such as natural gas, water, and steam to meet the needs of the energy industry, chemical industry, urban water supply and gas supply, etc. However, traditional pipes have the disadvantages of being difficult to disassemble, easy to leak at the interface, and unstable joints.

[0003] The publication number CN 212616952 U discloses a stainless steel pipe that is easy to splice, including a thermal insulation steel pipe body, a plug-in inner pipe connected to the left end of the thermal insulation steel pipe body, a locking head and a screw hole are arranged on the front and rear sides of the middle part of the outer wall of the plug-in inner pipe, the screw hole penetrates the outer wall of the plug-in inner pipe, an outer sleeve is connected to the right end of the thermal insulation steel pipe body, an L-shaped groove is arranged on the front and rear sides of the outer sleeve, the L-shaped groove corresponds to and matches the position of the locking head, and through the arrangement of the first sealing ring and the second sealing ring, after the plug-in inner pipe and the outer sleeve between the two thermal insulation steel pipe bodies are connected, the connection of the two thermal insulation steel pipe bodies can be sealed; through the connection of the plug-in inner pipe and the outer sleeve, the two thermal insulation steel pipe bodies can be quickly connected and fixed, and disassembly and assembly are relatively convenient.

[0004] However, the structure of the device is relatively simple, and the connection is made by plugging and clamping, and the sealing is not strong. If the water pressure is too high, it may cause leakage of liquid or gas. At the same time, the functionality of the above device is relatively low. The device is only fixed by sleeve and clamping, which is unstable. If it is necessary to transport liquid or gas with high pressure, the connection port of the device needs to be further reinforced. Moreover, if the transported liquid contains a lot of impurities, it will cause blockage of the water pipe, and a filtering device needs to be prepared for use in conjunction, which is more troublesome. Therefore, in order to solve the above problems, a stainless steel pipe that is easy to splice is proposed. Utility Model Content

[0005] The technical problem solved by the utility model is to provide a stainless steel pipe which is highly practical and can be easily spliced ​​through simple operation and has a relatively simple structure.

[0006] In order to solve the above technical problems, the utility model provides a stainless steel pipe that is easy to splice, including a stainless steel pipeline, wherein both ends of the stainless steel pipeline are fixedly connected with fixed flanges, a flange fixing device is inserted on the fixed flange, a threaded fixing pipe is inserted on one side of the stainless steel pipeline, and a threaded pipe fixing mechanism is arranged on the side of the stainless steel pipeline away from the threaded fixing pipe, the threaded pipe fixing mechanism includes an outer sleeve, a fixing block is fixedly arranged on the left side of the outer sleeve, and the outer sleeve is threadedly connected to a threaded bolt.

[0007] As a further solution of the utility model, the fixing flanges are all provided with threaded holes at the same position to form a locking structure with the flange fixing device.

[0008] As a further solution of the utility model, the threaded fixing pipe is inserted into the interior of the stainless steel pipe, and the two stainless steel pipes are fixed by threaded connection through a threaded pipe fixing mechanism.

[0009] As a further solution of the utility model, the threaded pipe fixing mechanism includes a threaded bolt, a fixing block and an outer sleeve, and the outer sleeve is placed on a side away from the threaded fixing pipe.

[0010] As a further solution of the utility model, a corresponding thread groove matching with a threaded bolt is opened on one side of the outer sleeve of the stainless steel pipe, and threads are evenly distributed on the outer surface of the threaded bolt. The outer sleeve is fixed to the pipe by the threaded bolt.

[0011] As a further solution of the utility model, the depth of the threaded fixing pipe is consistent with the depth of the outer sleeve, and the length of the threaded bolt is greater than the thickness of the stainless steel pipe and one side of the outer sleeve.

[0012] As a further solution of the utility model, a filter plate is clamped on a side of the threaded pipe fixing mechanism away from the fixing flange, and a sliding groove matching with the fixing block is provided on the filter plate.

[0013] As a further solution of the utility model, the flange fixing device includes a limiting bolt and a nut. The limiting bolt is inserted into the threaded hole opened on the two abutting fixing flanges and is fixed by tightening the nut.

[0014] Compared with the related art, the conveniently spliced ​​stainless steel pipe provided by the utility model has the following beneficial effects:

[0015] 1. The utility model connects pipes by setting fixed flanges. Flange connections are usually stronger than clamp connections and can withstand higher pressure and weight. This makes flange connections suitable for applications that require stronger connections, such as high pressure and high temperature projects. The sealing performance of flange connections is better, which reduces the risk of leakage and is suitable for fluid transmission systems that require high sealing performance. Flange connections are relatively easy to disassemble and reconnect, which makes it more convenient to repair and replace pipeline components. This is very useful in systems that require regular maintenance.

[0016] 2. The utility model fixes the steel pipe by setting a detachable thread. The pipe thread connection usually provides better sealing. The metal contact between the threads can form a better seal, which is suitable for applications that need to prevent liquid or gas leakage.

[0017] 3. The utility model provides a detachable filter plate. The filter device usually needs to be cleaned or the filter medium is replaced regularly. The detachable filter device can be removed and cleaned or replaced more easily to ensure the effectiveness of the filter system.

[0018] 4. The utility model provides a threaded tube fixing mechanism that can be disassembled, and the disassembly facilitates replacement and maintenance. Disassembly fixing devices are usually easy to install and maintain. Since they can be disassembled, it is easier to install, inspect, repair and replace parts, thereby reducing downtime and maintenance costs. Since the detachable device is easier to maintain and replace, the system can be restarted faster, reducing the downtime of the production line or process. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to facilitate understanding by those skilled in the art, the present invention is further described below in conjunction with the accompanying drawings.

[0020] Figure 1 It is a three-dimensional schematic diagram of the overall structure of the utility model;

[0021] Figure 2 It is a three-dimensional schematic diagram of the fixed flange structure of the utility model;

[0022] Figure 3 It is a three-dimensional schematic diagram of the cross-section structure of the threaded fixing pipe fixing device of the utility model;

[0023] Figure 4 It is a three-dimensional schematic diagram of the cross-section of the stainless steel pipeline structure of the utility model;

[0024] Figure 5 It is a schematic diagram of the exploded three-dimensional structure of the flange fixing device of the utility model;

[0025] Figure 6 It is a three-dimensional schematic diagram of the fixing mechanism structure of the utility model.

[0026] In the figure: 1. stainless steel pipe; 2. fixing flange; 3. threaded fixing pipe; 4. threaded pipe fixing mechanism; 41. threaded bolt; 42. fixing block; 43. outer sleeve; 5. filter plate; 6. flange fixing device; 61. limit bolt; 62. nut. DETAILED DESCRIPTION

[0027] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 A stainless steel pipe that is easy to splice, including a stainless steel pipe 1, fixed flanges 2 are fixedly connected at both ends of the stainless steel pipe 1, a flange fixing device 6 is inserted on the fixed flange 2, a threaded fixing pipe 3 is inserted on one side of the stainless steel pipe 1, and a threaded pipe fixing mechanism 4 is arranged on the side of the stainless steel pipe 1 away from the threaded fixing pipe 3, the threaded pipe fixing mechanism 4 includes an outer sleeve 43, a fixing block 42 is fixedly arranged on the left side of the outer sleeve 43, and the outer sleeve 43 is threadedly connected with a threaded bolt 41.

[0028] Furthermore, the fixing flange 2 is provided with threaded holes at the same position to form a locking structure with the flange fixing device 6. The flange connection is usually stronger than the clamp connection and can withstand higher pressure and weight. This makes the flange connection suitable for applications that require a stronger connection, such as high pressure and high temperature projects. The sealing performance of the flange connection is generally better, which reduces the risk of leakage and is suitable for fluid transmission systems that require a high degree of sealing.

[0029] Furthermore, the threaded fixing pipe 3 is inserted into the stainless steel pipe 1, and the two stainless steel pipes 1 are fixed by threaded connection through the threaded pipe fixing mechanism 4. The threaded connection generally provides better sealing. The metal contact between the threads can form a better seal, which is suitable for applications that need to prevent liquid or gas leakage.

[0030] Furthermore, the threaded pipe fixing mechanism 4 includes a threaded bolt 41 , a fixing block 42 and an outer sleeve 43 , and the outer sleeve 43 is placed on a side away from the threaded fixing pipe 3 .

[0031] Furthermore, a corresponding thread groove matching with the threaded bolt 41 is provided on one side of the stainless steel pipe 1 where the outer sleeve 43 is placed, and threads are evenly distributed on the outer surface of the threaded bolt 41, and the outer sleeve 43 is fixed to the stainless steel pipe 1 by the threaded bolt 41. Fixing by the threaded bolt facilitates the disassembly, replacement and maintenance of the device.

[0032] Furthermore, the depth of the threaded fixing tube 3 is consistent with the depth of the outer sleeve 43 , and the length of the threaded bolt 41 is greater than the thickness of the stainless steel pipe 1 and one side of the outer sleeve 43 .

[0033] Furthermore, a filter plate 5 is clamped on one side of the threaded pipe fixing mechanism 4 away from the fixing flange 2, and a slide groove is provided on the filter plate 5 to match the fixing block 42. The detachable filter plate and the filter device usually need to be cleaned or the filter medium is replaced regularly. The detachable filter device can be removed and cleaned or replaced more easily to ensure the effectiveness of the filter system.

[0034] Furthermore, the flange fixing device 6 includes a limit bolt 61 and a nut 62. The limit bolt 61 is inserted into the threaded hole opened on the two fitted fixing flanges 2 and fixed by tightening the nut 62. Flanges connected by bolts are relatively easy to disassemble and reconnect, which makes it more convenient to repair and replace pipeline components. This is very useful in systems that require regular maintenance.

[0035] The working principle of the stainless steel pipe provided by the utility model which is convenient for splicing is as follows:

[0036] The first step: when in use, clamp the filter plate 5 on the fixing block 42 of the threaded pipe fixing mechanism 4, and put the fixing flange 2 into the interior of the stainless steel pipe 1.

[0037] The second step: connect the two stainless steel pipes 1, sleeve the threaded fixing pipe 3 onto the sleeve pipe 43 of the previous stainless steel pipe 1 for threaded connection, then connect the two stainless steel pipes 1 through the fixing flange 2, and then insert the limit bolt 61 into the threaded hole opened on the fixing flange 2, and turn the nut to fix it, and lock it with the locking bolt to support the device.

[0038] Step 3: After successful connection, a leak test is performed to ensure that the connection is sealed. Gas or liquid can be used for testing to check for leaks, and impurities in the water can be filtered through the filter plate 5.

[0039] Step 4: After use, disassemble the device and clean the stainless steel pipe 1, filter plate 5 and the surrounding area to ensure the work area is safe and tidy.

[0040] It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. On the premise that the technical personnel in this field understand the principle of the above utility model, the details of the power mechanism, power supply system and control system can be clearly known. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be realized by simple programming by the technical personnel in this field;

[0041] The standard parts used therein can all be purchased from the market and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the structures and principles of the components known to technical personnel in this field can be known by these technical personnel through technical manuals or through conventional experimental methods.

[0042] Although the embodiments of the present invention have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations or direct or indirect applications may be made to these embodiments without departing from the principles and spirit of the present invention. In other related technical fields, the scope of the present invention is defined by the attached claims and their equivalents, which are equally included in the scope of patent protection of the present invention.

Claims

1. A stainless steel pipe that is easy to splice, comprising a stainless steel pipe (1), Features The two ends of the stainless steel pipe (1) are fixedly connected with fixed flanges (2), and the fixed flanges (2) are provided with flange fixing devices (6). A threaded fixing pipe (3) is inserted into one side of the stainless steel pipe (1), and a threaded pipe fixing mechanism (4) is provided on the side of the stainless steel pipe (1) away from the threaded fixing pipe (3). The threaded pipe fixing mechanism (4) comprises an outer sleeve (43), and a fixing block (42) is fixedly provided on the left side of the outer sleeve (43). The outer sleeve (43) is threadedly connected to a threaded bolt (41).

2. A stainless steel pipe that is easy to splice according to claim 1, Features: The fixing flanges (2) are all provided with threaded holes at the same position to form a locking structure with the flange fixing device (6).

3. A stainless steel pipe that is easy to splice according to claim 1, Features: The threaded fixing pipe (3) is inserted into the interior of the stainless steel pipe (1), and the two stainless steel pipes (1) are fixed by threaded connection through a threaded pipe fixing mechanism (4).

4. A stainless steel pipe that is easy to splice according to claim 3, Features: The threaded pipe fixing mechanism (4) comprises a threaded bolt (41), a fixing block (42) and an outer sleeve (43), wherein the outer sleeve (43) is placed on a side away from the threaded fixing pipe (3).

5. A stainless steel pipe that is easy to splice according to claim 4, Features: A thread groove corresponding to the threaded bolt (41) is provided on one side of the stainless steel pipe (1) where the outer sleeve (43) is placed. The outer surface of the threaded bolt (41) is evenly distributed with threads. The outer sleeve (43) is fixed to the stainless steel pipe (1) by the threaded bolt (41).

6. A stainless steel pipe that is easy to splice according to claim 4, Features: The depth of the threaded fixing tube (3) is consistent with the depth of the outer sleeve (43), and the length of the threaded bolt (41) is greater than the thickness of one side of the stainless steel pipe (1) and the outer sleeve (43).

7. A stainless steel pipe that is easy to splice according to claim 4, Features: A filter plate (5) is clamped on the side of the threaded pipe fixing mechanism (4) away from the fixing flange (2), and a sliding groove matching with the fixing block (42) is provided on the filter plate (5).

8. A stainless steel pipe that is easy to splice according to claim 5, Features: The flange fixing device (6) comprises a limiting bolt (61) and a nut (62). The limiting bolt (61) is inserted into a threaded hole opened on two abutting fixing flanges (2) and fixed by tightening the nut (62).

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