Stainless steel pipeline capable of being quickly connected

Abstract

The stainless steel pipeline comprises two pipeline bodies, connecting inner pipes and opening sleeves, wherein the connecting inner pipes are arranged on the inner sides of the inner ends of the pipeline bodies in a nested and attached mode, and the opening sleeves are arranged on the outer sides of the inner ends of the pipeline bodies in a nested and attached mode. The sealing structures are arranged between the pipeline bodies and between the pipeline bodies and the connecting inner pipe, each sealing structure comprises an inner sealing gasket, a fixing ring and an outer sealing gasket, and the inner sealing gaskets are fixedly connected to the left side and the right side of the connecting inner pipe in an adhering mode; a fixed connecting structure is arranged outside the pipeline body, and the fixed connecting structure comprises an opening sleeve, an upper connecting plate, a lower connecting plate, a limiting rod, a limiting rod and a locking nut; and a filtering and magnetic absorbing structure is arranged in the connecting inner pipe. According to the stainless steel pipeline capable of being rapidly connected, the pipeline body single bodies can be conveniently and rapidly connected, the sealing performance of connection between the pipeline body single bodies can be conveniently guaranteed, and a fed medium can be conveniently filtered and magnetically attracted.

Description

Technical Field

[0001] The utility model relates to the technical field of stainless steel pipelines, in particular to a quick-connect stainless steel pipeline. Background Art

[0002] Stainless steel pipe is a hollow long round steel strip. It is a green and environmentally friendly material of special alloy steel. It is safe and non-toxic, free of corrosion and exudate, turbidity and odor. It is widely used in industrial pipelines such as petroleum, chemical, medical, food, light industry, mechanical instruments, and mechanical structural components.

[0003] For example, a Chinese utility model patent with authorization announcement number CN210510628U discloses a quick-connect stainless steel pipe, including a first stainless steel pipe body, a second stainless steel pipe body, a sealing ring, and a connecting device; the first stainless steel pipe body and the second stainless steel pipe body are butt-jointed; a first mounting plate is provided on the first stainless steel pipe body, and a second mounting plate is provided on the second stainless steel pipe body; the connecting device includes a first clamping plate, a second clamping plate, a screw, an abutting plate, and a guide rod; the first mounting plate and the second mounting plate are clamped between the first clamping plate and the second clamping plate; a through hole is provided on the second clamping plate, and the screw is rotatably mounted on the first clamping plate and penetrated into the through hole; the abutting plate is fixed on the second clamping plate and is provided with a threaded hole threadedly connected to the screw. The utility model can conveniently and quickly realize the connection between the first stainless steel pipe body and the second stainless steel pipe body, thereby saving time.

[0004] However, the existing stainless steel pipes are generally not convenient for quick connection of the pipe body monomers during use, it is difficult to ensure the sealing performance of the connection between the pipe body monomers, and it is not convenient to filter and attract magnets for the medium passed in. Therefore, we propose a quick-connect stainless steel pipe to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a quick-connect stainless steel pipe to solve the problems of the existing stainless steel pipes mentioned in the above background technology, which are generally not convenient for quick connection of pipe body monomers during use, difficult to ensure the sealing performance of the connection between pipe body monomers, and inconvenient for filtering and magnetic attraction of the introduced medium.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a quick-connect stainless steel pipe, comprising: two pipe bodies, a connecting inner pipe nested and fitted inside the inner end of the pipe body, and an open sleeve nested and fitted outside the inner end of the pipe body;

[0007] Also includes:

[0008] A sealing structure is provided between the pipeline bodies and between the pipeline bodies and the connecting inner pipe, wherein the sealing structure comprises an inner sealing gasket, a fixing ring and an outer sealing gasket, and the inner sealing gasket is glued and fixedly connected to the left and right sides of the connecting inner pipe;

[0009] A fixed connection structure is arranged outside the pipeline body, wherein the fixed connection structure comprises an open sleeve, an upper connection plate, a lower connection plate, a limit rod, a limiting rod and a locking nut, and the upper connection plate and the lower connection plate are respectively fixed to the rear sides of the upper and lower ends of the open sleeve;

[0010] A filtering magnetic attraction structure is arranged in the connecting inner tube, wherein the filtering magnetic attraction structure comprises a filtering screen, a fixing plate and a magnetic attraction rod, and the filtering screen is fixedly connected to the inner side of the right end of the connecting inner tube.

[0011] Preferably, the inner and outer diameters of the inner sealing gasket are respectively the same as the inner diameters of the connecting inner tube and the pipeline body, and a fixing ring located between the pipeline body monomers is fixedly connected to the outer middle portion of the connecting inner tube.

[0012] Preferably, an outer side of the fixing ring is nested and fitted with an outer sealing gasket, and the left and right sides of the outer sealing gasket are tightly fitted and connected to the pipeline body monomer.

[0013] Preferably, the open sleeve is fitted to the outside of the pipe body and the outer sealing gasket, and a limit rod is provided on the rear side of the lower end of the open sleeve and is non-detachably connected to the lower connecting plate, and a tooth-like structure is present inside the open sleeve.

[0014] Preferably, limiting rods engaging with and penetrating the upper connecting plate are symmetrically fixed to the upper sides of the left and right ends of the limiting rod, and the outer side of the upper end of the limiting rod is threadedly connected to a locking nut fitted with the upper connecting plate.

[0015] Preferably, the fixing plate is fixedly connected to the connecting inner tube, and the fixing plate is located on the left side of the filter screen, and the inner side of the fixing plate is threadedly connected to a magnetic rod located on the inner side of the left end of the connecting inner tube.

[0016] Compared with the prior art, the utility model has the following beneficial effects: the quick-connect stainless steel pipe is convenient for quick connection of the pipe body monomers, and is convenient for ensuring the sealing performance of the connection between the pipe body monomers, and is convenient for filtering and magnetically absorbing the medium introduced;

[0017] 1. A pipeline body, a connecting inner tube, a fixing ring and an outer sealing gasket are provided. Since the inner side of the pipeline body is nested and fitted with a connecting inner tube buckled by the fixing ring, the outer side of the pipeline body and the outer sealing gasket provided outside the fixing ring is nested and fitted with an open sleeve, and the upper and lower rear sides of the open sleeve are respectively fixedly connected with an upper connecting plate and a lower connecting plate, the lower connecting plate is clamped and connected with a limiting rod of an upper fixed limiting rod, and the limiting rod is clamped and penetrated in the upper connecting plate, and the outer side of the upper end of the limiting rod is threadedly connected with a locking nut fitted with the upper connecting plate, so it is convenient to quickly connect the pipeline body monomer;

[0018] 2. A connecting inner tube, an inner sealing gasket, a fixing ring and an outer sealing gasket are provided. Since the inner sealing gaskets are fixedly connected to the left and right sides of the connecting inner tube, the inner sealing gasket fits in the pipe body, and the outer sealing gasket with the embedded buckle outside the fixing ring fits in the inner side of the pipe body monomer, it is convenient to ensure the sealing performance of the connection between the pipe body monomers;

[0019] 3. A connecting inner tube, a filter screen, a fixing plate and a magnetic rod are provided. Since the filter screen is fixedly connected to the inner side of the right end of the connecting inner tube, a fixing plate fixed to the connecting inner tube is provided on the left side of the filter screen, and the inner side of the middle part of the fixing plate is threadedly connected to the magnetic rod located on the inner side of the left end of the connecting inner tube, it is convenient to filter and attract magnets for the medium passed in. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0022] Figure 3 This is a schematic diagram of the top view structure of the utility model;

[0023] Figure 4 It is a side view structural schematic diagram of the connection between the inner tube and the fixing plate of the utility model.

[0024] In the figure: 1. Pipe body; 2. Connecting inner pipe; 3. Inner sealing gasket; 4. Fixing ring; 5. Outer sealing gasket; 6. Open sleeve; 7. Upper connecting plate; 8. Lower connecting plate; 9. Limit rod; 10. Limit rod; 11. Locking nut; 12. Filter screen; 13. Fixing plate; 14. Magnetic rod. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-4 The utility model provides a technical solution: a quick-connect stainless steel pipeline, including a pipeline body 1, a connecting inner pipe 2, an inner sealing gasket 3, a fixing ring 4, an outer sealing gasket 5, an open sleeve 6, an upper connecting plate 7, a lower connecting plate 8, a limit rod 9, a limiting rod 10, a locking nut 11, a filter screen 12, a fixing plate 13 and a magnetic rod 14, two pipeline bodies 1, a connecting inner pipe 2 nested and fitted at the inner side of the inner end of the pipeline body 1 and an open sleeve 6 nested and fitted at the outer side of the inner end of the pipeline body 1 are provided, and a sealing structure is provided between the pipeline body 1 and the pipeline body 1 and the connecting inner pipe 2, wherein the sealing The structure includes an inner sealing gasket 3, a fixing ring 4 and an outer sealing gasket 5, and the inner sealing gasket 3 is glued and fixedly connected to the left and right sides of the connecting inner tube 2, and a fixed connection structure is arranged outside the pipeline body 1, wherein the fixed connection structure includes an open sleeve 6, an upper connecting plate 7, a lower connecting plate 8, a limit rod 9, a limit rod 10 and a locking nut 11, and the upper connecting plate 7 and the lower connecting plate 8 are respectively fixed to the rear sides of the upper and lower ends of the open sleeve 6, and a filtering magnetic attraction structure is arranged inside the connecting inner tube 2, wherein the filtering magnetic attraction structure includes a filter screen 12, a fixing plate 13 and a magnetic attraction rod 14, and the filter screen 12 is fixedly connected to the inner side of the right end of the connecting inner tube 2;

[0027] When using this quick-connect stainless steel pipe, Figure 1 , Figure 2 and Figure 3First, the open sleeve 6 can be nested on the outside of the inner end of a pipe body 1, and then the connecting inner tube 2 with the inner sealing gasket 3 pasted and fixed on the left and right sides can be nested and fit on the inner side of the inner end of the pipe body 1 monomer, so that the fixing ring 4 fixedly connected to the outer side of the middle part of the connecting inner tube 2 is located between the pipe body 1 monomers, and the left and right sides of the outer sealing gasket 5 nested outside the fixing ring 4 are fit and connected to the pipe body 1 monomer, and then the open sleeve 6 can be moved to the outside of the inner end of the pipe body 1 and the outside of the outer sealing gasket 5, and then the locking nut 11 threadedly connected to the outer side of the upper end of the limiting rod 10 can be rotated. Since the rear sides of the upper and lower ends of the open sleeve 6 are respectively fixedly connected with The upper connecting plate 7 and the lower connecting plate 8, the inner side of the lower connecting plate 8 is engaged and non-detachably connected with the limiting rod 9, and the upper side of the limiting rod 9 is symmetrically fixed with a limiting rod 10 that is engaged and penetrates the upper connecting plate 7, and the limiting rod 10 is externally threadedly connected with a locking nut 11 that is arranged in a close relationship with the upper connecting plate 7. Therefore, by rotating the locking nut 11, it is convenient to adjust the distance between the locking nut 11 and the limiting rod 10, and then adjust the distance between the upper connecting plate 7 and the lower connecting plate 8, so that the rear end opening of the open sleeve 6 is contracted until the open sleeve 6 is tightly fitted to the outside of the pipe body 1 and the outer sealing gasket 5, so as to achieve the purpose of quickly connecting and fixing the pipe body 1 monomer;

[0028] like Figure 2 and Figure 4 During the use of the stainless steel pipeline, an inner sealing gasket 3 is fixedly connected to the left and right sides of the inner tube 2 and is fitted with the pipeline body 1, and an outer sealing gasket 5 with a buckle nested outside the fixing ring 4 is fitted with the inner side of the pipeline body 1 monomer, so that it is convenient to ensure the sealing performance of the connection between the pipeline body 1 monomers under the sealing performance of the inner sealing gasket 3 and the outer sealing gasket 5 themselves, so as to achieve the purpose of leakage prevention, and a filter screen 12 is fixedly connected to the inner side of the right end of the connecting inner tube 2, so that the medium passed through the filter screen 12 is filtered, and a fixing plate 13 fixedly connected to the connecting inner tube 2 is provided on the left side of the filter screen 12, and a magnetic rod 14 is threadedly connected to the inner side of the middle part of the fixing plate 13, so that it is convenient to attract the magnetism of the medium passed through the magnetic rod 14. The above components are all prior art and will not be described in detail here.

[0029] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field. The standard parts used in the utility model can be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0030] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A quick-connect stainless steel pipe, comprising: Two pipe bodies (1), a connecting inner pipe (2) nested and fitted on the inner side of the inner end of the pipe body (1), and an open sleeve (6) nested and fitted on the outer side of the inner end of the pipe body (1); It is characterized by further comprising: A sealing structure is provided between the pipeline bodies (1) and the pipeline bodies (1) and between the pipeline bodies (1) and the connecting inner pipe (2), wherein the sealing structure comprises an inner sealing gasket (3), a fixing ring (4) and an outer sealing gasket (5), and the inner sealing gasket (3) is glued and fixedly connected to the left and right sides of the connecting inner pipe (2); The pipe body (1) is provided with a fixed connection structure outside, wherein the fixed connection structure comprises an open sleeve (6), an upper connection plate (7), a lower connection plate (8), a limit rod (9), a limiting rod (10) and a locking nut (11), and the upper connection plate (7) and the lower connection plate (8) are respectively fixed to the rear sides of the upper and lower ends of the open sleeve (6); A filtering magnetic attraction structure is arranged inside the connecting inner tube (2), wherein the filtering magnetic attraction structure comprises a filtering net (12), a fixing plate (13) and a magnetic attraction rod (14), and the filtering net (12) is fixedly connected to the inner side of the right end of the connecting inner tube (2).

2. A quick-connect stainless steel pipe according to claim 1, characterized in that: The inner and outer diameters of the inner sealing gasket (3) are respectively the same as the inner diameters of the connecting inner tube (2) and the pipeline body (1), and a fixing ring (4) located between the monomers of the pipeline body (1) is fixedly connected to the outer middle part of the connecting inner tube (2).

3. A quick-connect stainless steel pipe according to claim 1, characterized in that: An outer sealing gasket (5) is nested and fitted on the outer side of the fixing ring (4), and the left and right sides of the outer sealing gasket (5) are tightly fitted and connected to the pipeline body (1).

4. The quick-connect stainless steel pipe according to claim 1, characterized in that: The open sleeve (6) is fitted to the outside of the pipe body (1) and the outer sealing gasket (5), and a limit rod (9) is provided on the rear side of the lower end of the open sleeve (6) and is non-detachably connected to the lower connecting plate (8), and a tooth-shaped structure is formed inside the open sleeve (6).

5. The quick-connect stainless steel pipe according to claim 1, characterized in that: The upper sides of the left and right ends of the limit rod (9) are symmetrically fixed with limit rods (10) that engage and penetrate the upper connecting plate (7), and the outer side of the upper end of the limit rod (10) is threadedly connected with a locking nut (11) that is arranged in close contact with the upper connecting plate (7).

6. The quick-connect stainless steel pipe according to claim 1, characterized in that: The fixing plate (13) is fixedly connected to the connecting inner tube (2), and the fixing plate (13) is located on the left side of the filter screen (12), and the inner side of the fixing plate (13) is threadedly connected to a magnetic attraction rod (14) located on the inner side of the left end of the connecting inner tube (2).

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