Gas pipeline joint with high gas tightness
Patent Information
- Application Number
- CN202420259166.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-02
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2034-02-02
AI Technical Summary
[0004]本实用新型的目的在于提供一种具有高气密性的燃气管道接头，以解决上述背景技术中提出密封的方式单一的问题
[0012] In the utility model, the outer wall of the threaded cone pipe is inserted into the inner wall of the gas pipe, and the threaded cone pipe is rotated so that the outer wall of the threaded cone pipe is tightly inserted into the inner wall of the gas pipe. After the outer wall of the threaded cone pipe is tightly tightened with the inner wall of the gas pipe, Turn the rotating sleeve, and the rotating sleeve slides in the direction of the main air pipe through the thread, and rotates The sliding sleeve drives the tightening ring to slide, and the tightening ring slides and squeezes the inclined ring to shrink the inclined ring. The shrinking of the inclined ring drives one end of the sealing sleeve to shrink, so that the inner wall of the sealing sleeve is pressed against the outer wall of the gas pipeline. Through the sealing sleeve and the threaded cone, pipe, realizing double sealing of gas pipeline joints, bringing convenience to people's use.
Smart Images
Figure CN222316215U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of gas pipeline joints, in particular to a gas pipeline joint with high air tightness. Background Art
[0002] The gas pipe is a special pipeline for conveying combustible gas. It is a metal gas pipe hose that replaces the traditional clip-on rubber hose. It can solve the defects of rubber hoses that are easy to fall off, easy to age, easy to be bitten by insects, and have a short service life. The gas pipe has the characteristics of easy installation, reliable connection, corrosion resistance, no gas blockage, good flexibility, long service life, and can be bent arbitrarily without deformation or gas blocking. The surface soft protective layer material is safer, easier to clean, and beautiful.
[0003] At present, most of the gas pipeline joints on the market have a relatively simple sealing method when connecting the gas pipeline, which may easily cause gas leakage in the gas pipeline connection, causing danger to people and bringing inconvenience to people's use. Utility Model Content
[0004] The purpose of the utility model is to provide a gas pipeline joint with high air tightness to solve the problem of a single sealing method proposed in the above background technology. To achieve the above purpose, the utility model provides the following technical solution: a gas pipeline joint with high air tightness, comprising a base, the outer wall of the base is fixedly welded to the outer wall of the connecting piece, and the inner wall of the connecting piece is rotatably connected to the outer wall of the fixing piece.
[0005] The inner wall of the base is movably abutted against the outer wall of the joint pipe, and the outer wall of the joint pipe is fixedly sleeved with the inner wall of the sealing member.
[0006] Preferably, the base includes a base, legs and a bottom ring, the bottom of the base is fixedly connected to the top of the legs, and the top of the base is fixedly connected to the bottom of the bottom ring.
[0007] Preferably, the connecting piece consists of a lower rotating block, a connecting block and a bolt, the outer wall of the lower rotating block is fixedly welded to the outer wall of the bottom ring, and the outer wall of the connecting block is fixedly welded to the outer wall of the bottom ring, and a threaded hole is provided on the inner wall of the connecting block, and the inner wall of the threaded hole is threadedly connected to the outer wall of the bolt.
[0008] Preferably, the fixing part includes a fixing ring, an upper rotating block and a fixing block, the outer wall of the fixing ring is fixedly welded to the outer wall of the upper rotating block, and the outer wall of the upper rotating block is rotatably connected to the inner wall of the lower rotating block, the outer wall of the fixing ring is fixedly welded to the outer wall of the fixing block, and the top of the fixing block is movably abutted against the bottom of the bolt, the inner wall of the fixing block is provided with a through hole, and the inner wall of the through hole is movably abutted against the outer wall of the bolt.
[0009] Preferably, the joint pipe consists of a main air pipe, a connecting pipe and a threaded tapered pipe, the outer wall of the main air pipe is movably abutted against the inner wall of the bottom ring, and one end of the main air pipe is fixedly connected to one end of the connecting pipe, and the other end of the connecting pipe is fixedly connected to one end of the threaded tapered pipe, the number of the connecting pipes and the threaded tapered pipes are both two, and the two connecting pipes and the threaded tapered pipes are mirrored along the center line of the main air pipe.
[0010] Preferably, the sealing component comprises a sealing sleeve, an oblique ring, a rotating sleeve and a tightening ring, the inner wall of one end of the sealing sleeve is fixedly sleeved with the outer wall of the connecting pipe, and the other end of the sealing sleeve is fixedly connected to one end of the oblique ring, the outer wall of the sealing sleeve is rotatably sleeved with the inner wall of the rotating sleeve, and the outer wall of the sealing sleeve is provided with an external thread, the inner wall of the rotating sleeve is provided with a thread, the inner wall of the thread is threadedly connected with the outer wall of the external thread, and the inner wall of the rotating sleeve is fixedly connected with the outer wall of the tightening ring, the number of the sealing sleeves, oblique rings, rotating sleeves and tightening rings are all two, and the two sealing sleeves, oblique rings, rotating sleeves and tightening rings are all mirror-imaged along the center line of the main air pipe.
[0011] Compared with the prior art, the utility model has the following beneficial effects:
[0012] In the utility model, the outer wall of the threaded tapered tube is inserted into the inner wall of the gas pipeline, and the threaded tapered tube is rotated so that the outer wall of the threaded tapered tube and the inner wall of the gas pipeline are inserted tightly. After the outer wall of the threaded tapered tube and the inner wall of the gas pipeline are tightened, the rotating sleeve is rotated, and the rotating sleeve slides toward the direction of the main gas pipe through the thread. The sliding of the rotating sleeve drives the tightening ring to slide, and the sliding of the tightening ring squeezes the oblique ring to shrink the oblique ring. The shrinkage of the oblique ring drives one end of the sealing sleeve to shrink, so that the inner wall of the sealing sleeve is tightly pressed against the outer wall of the gas pipeline. Through the sealing sleeve and the threaded tapered tube, double sealing of the gas pipeline joint is achieved, which brings convenience to people's use.
[0013] In the utility model, the main gas pipe is placed on the bottom ring, and the upper rotating block is rotated. The upper rotating block rotates to drive the fixed ring to rotate and resist against the bottom ring, and the bolts are inserted from the through holes into the threaded holes and tightened to fix the fixed block on the connecting block. The fixed block fixes the fixed ring on the bottom ring, and the gas pipeline joint is fixed by the bottom ring and the fixed ring. The base is supported by the legs and support is provided for the gas pipeline joint, which brings convenience to people. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0015] Figure 2 It is a cross-sectional view of the utility model;
[0016] Figure 3 It is an exploded view of the utility model.
[0017] In the figure: 1. pedestal; 101. base; 102. support leg; 103. bottom ring; 2. connector; 201. lower rotating block; 202. connecting block; 203. bolt; 3. fixing member; 301. fixing ring; 302. upper rotating block; 303. fixing block; 4. joint pipe; 401. main air pipe; 402. connecting pipe; 403. threaded tapered pipe; 5. sealing member; 501. sealing sleeve; 502. oblique ring; 503. rotating sleeve; 504. tightening ring. DETAILED DESCRIPTION
[0018] 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 technical personnel in this field without creative work are within the scope of protection of the utility model.
[0019] See also Figures 1 to 3 The utility model provides a technical solution: a gas pipeline joint with high air tightness, comprising a base 1, the outer wall of the base 1 is fixedly welded to the outer wall of a connecting piece 2, and the inner wall of the connecting piece 2 is rotatably connected to the outer wall of a fixing piece 3.
[0020] The inner wall of the base 1 is movably in contact with the outer wall of the joint pipe 4 , and the outer wall of the joint pipe 4 is fixedly sleeved with the inner wall of the sealing member 5 .
[0021] In this embodiment, Figure 1 , Figure 2 and Figure 3 As shown, the base 1 includes a base 101 , legs 102 and a bottom ring 103 , the bottom of the base 101 is fixedly connected to the top of the legs 102 , and the top of the base 101 is fixedly connected to the bottom of the bottom ring 103 .
[0022] In this embodiment, Figure 1 , Figure 2 and Figure 3 As shown, the connecting member 2 is composed of a lower rotating block 201, a connecting block 202 and a bolt 203. The outer wall of the lower rotating block 201 is fixedly welded to the outer wall of the bottom ring 103, and the outer wall of the connecting block 202 is fixedly welded to the outer wall of the bottom ring 103. A threaded hole is provided on the inner wall of the connecting block 202, and the inner wall of the threaded hole is threadedly connected to the outer wall of the bolt 203.
[0023] In this embodiment, Figure 1 , Figure 2 and Figure 3As shown, the fixing member 3 includes a fixing ring 301, an upper rotating block 302 and a fixing block 303. The outer wall of the fixing ring 301 is fixedly welded to the outer wall of the upper rotating block 302, and the outer wall of the upper rotating block 302 is rotatably connected to the inner wall of the lower rotating block 201. The outer wall of the fixing ring 301 is fixedly welded to the outer wall of the fixing block 303, and the top of the fixing block 303 is movably abutted against the bottom of the bolt 203. A through hole is opened on the inner wall of the fixing block 303, and the inner wall of the through hole is movably abutted against the outer wall of the bolt 203. , place the main gas pipe 401 on the bottom ring 103, rotate the upper rotating block 302, the upper rotating block 302 rotates to drive the fixing ring 301 to rotate and resist against the bottom ring 103, insert the bolt 203 from the through hole into the threaded hole and tighten it to fix the fixing block 303 on the connecting block 202, the fixing block 303 fixes the fixing ring 301 on the bottom ring 103, fix the gas pipeline joint through the bottom ring 103 and the fixing ring 301, and support the base 101 and provide support for the gas pipeline joint through the support leg 102.
[0024] In this embodiment, Figure 1 , Figure 2 and Figure 3 As shown, the joint pipe 4 consists of a main gas pipe 401, a connecting pipe 402 and a threaded tapered pipe 403. The outer wall of the main gas pipe 401 is movably abutted against the inner wall of the bottom ring 103, and one end of the main gas pipe 401 is fixedly connected to one end of the connecting pipe 402, and the other end of the connecting pipe 402 is fixedly connected to one end of the threaded tapered pipe 403. There are two connecting pipes 402 and two threaded tapered pipes 403, and the two connecting pipes 402 and the threaded tapered pipes 403 are mirror-imaged along the center line of the main gas pipe 401. The outer wall of the threaded tapered pipe 403 is inserted into the inner wall of the gas pipeline, and the threaded tapered pipe 403 is rotated to make the outer wall of the threaded tapered pipe 403 tightly inserted into the inner wall of the gas pipeline.
[0025] In this embodiment, Figure 1 , Figure 2 and Figure 3As shown, the sealing member 5 includes a sealing sleeve 501, an oblique ring 502, a rotating sleeve 503 and a tightening ring 504. The inner wall of one end of the sealing sleeve 501 is fixedly sleeved with the outer wall of the connecting pipe 402, and the other end of the sealing sleeve 501 is fixedly connected to one end of the oblique ring 502. The outer wall of the sealing sleeve 501 is rotatably sleeved with the inner wall of the rotating sleeve 503. The outer wall of the sealing sleeve 501 is provided with an external thread, and the inner wall of the rotating sleeve 503 is provided with a thread. The inner wall of the thread is threadedly connected with the outer wall of the external thread, and the inner wall of the rotating sleeve 503 is fixedly connected with the outer wall of the tightening ring 504. The number of the sealing sleeve 501, the oblique ring 502, the rotating sleeve 503 and the tightening ring 504 is two. , and the two sealing sleeves 501, the oblique ring 502, the rotating sleeve 503 and the tightening ring 504 are all arranged in a mirror image along the center line of the main gas pipe 401. After the outer wall of the threaded tapered tube 403 is pressed against the inner wall of the gas pipeline, the rotating sleeve 503 is rotated, and the rotating sleeve 503 rotates and slides toward the direction of the main gas pipe 401 through the thread. The sliding of the rotating sleeve 503 drives the tightening ring 504 to slide, and the sliding of the tightening ring 504 squeezes the oblique ring 502 to shrink the oblique ring 502. The shrinkage of the oblique ring 502 drives one end of the sealing sleeve 501 to shrink, so that the inner wall of the sealing sleeve 501 is pressed against the outer wall of the gas pipeline, and the double sealing of the gas pipeline joint is achieved through the sealing sleeve 501 and the threaded tapered tube 403.
[0026] The use method and advantages of the utility model: When the gas pipeline joint with high air tightness is working, the working process is as follows:
[0027] like Figure 1 , Figure 2 and Figure 3 As shown, the outer wall of the threaded tapered tube 403 is inserted into the inner wall of the gas pipeline, and the threaded tapered tube 403 is rotated to make the outer wall of the threaded tapered tube 403 and the inner wall of the gas pipeline tightly inserted. After the outer wall of the threaded tapered tube 403 and the inner wall of the gas pipeline are tightly connected, the rotating sleeve 503 is rotated, and the rotating sleeve 503 slides toward the direction of the main gas pipe 401 through the thread. The sliding of the rotating sleeve 503 drives the tightening ring 504 to slide, and the sliding of the tightening ring 504 squeezes the oblique ring 502 to shrink the oblique ring 502. The shrinkage of the oblique ring 502 drives one end of the sealing sleeve 501 to shrink, so that the inner wall of the sealing sleeve 501 is tightly pressed against the outer wall of the gas pipeline. Double sealing of the gas pipeline joint is achieved through the sealing sleeve 501 and the threaded cone tube 403. The main gas pipe 401 is placed on the bottom ring 103, and the upper rotating block 302 is rotated. The upper rotating block 302 rotates to drive the fixing ring 301 to rotate and resist against the bottom ring 103. The bolt 203 is inserted from the through hole into the threaded hole and tightened to fix the fixing block 303 on the connecting block 202. The fixing block 303 fixes the fixing ring 301 on the bottom ring 103. The gas pipeline joint is fixed by the bottom ring 103 and the fixing ring 301. The base 101 is supported by the support legs 102 to provide support for the gas pipeline joint.
[0028] The above shows and describes the basic principle, main features and advantages of the utility model. Technical staff in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.
Claims
1. A gas pipeline joint with high air tightness, comprising a base (1), characterized in that: The outer wall of the base (1) is fixedly welded to the outer wall of the connecting member (2), and the inner wall of the connecting member (2) is rotatably connected to the outer wall of the fixing member (3); The inner wall of the base (1) is movably abutted against the outer wall of the joint pipe (4), and the outer wall of the joint pipe (4) is fixedly sleeved against the inner wall of the sealing member (5).
2. A gas pipeline joint with high airtightness according to claim 1, characterized in that: The base (1) comprises a base (101), legs (102) and a bottom ring (103); the bottom of the base (101) is fixedly connected to the top of the legs (102), and the top of the base (101) is fixedly connected to the bottom of the bottom ring (103).
3. A gas pipeline joint with high airtightness according to claim 2, characterized in that: The connecting member (2) is composed of a lower rotating block (201), a connecting block (202) and a bolt (203); the outer wall of the lower rotating block (201) is fixedly welded to the outer wall of the bottom ring (103); the outer wall of the connecting block (202) is fixedly welded to the outer wall of the bottom ring (103); a threaded hole is provided on the inner wall of the connecting block (202); and the inner wall of the threaded hole is threadedly connected to the outer wall of the bolt (203).
4. A gas pipeline joint with high airtightness according to claim 3, characterized in that: The fixing member (3) comprises a fixing ring (301), an upper rotating block (302) and a fixing block (303); the outer wall of the fixing ring (301) is fixedly welded to the outer wall of the upper rotating block (302), and the outer wall of the upper rotating block (302) is rotatably connected to the inner wall of the lower rotating block (201); the outer wall of the fixing ring (301) is fixedly welded to the outer wall of the fixing block (303), and the top of the fixing block (303) is movably abutted against the bottom of the bolt (203); a through hole is provided on the inner wall of the fixing block (303), and the inner wall of the through hole is movably abutted against the outer wall of the bolt (203).
5. The gas pipeline joint with high airtightness according to claim 2, characterized in that: The joint pipe (4) is composed of a main air pipe (401), a connecting pipe (402) and a threaded tapered pipe (403); the outer wall of the main air pipe (401) is movably abutted against the inner wall of the bottom ring (103); one end of the main air pipe (401) is fixedly connected to one end of the connecting pipe (402); the other end of the connecting pipe (402) is fixedly connected to one end of the threaded tapered pipe (403); the number of the connecting pipe (402) and the threaded tapered pipe (403) is two, and the two connecting pipes (402) and the threaded tapered pipe (403) are both arranged in a mirror image along the center line of the main air pipe (401).
6. A gas pipeline joint with high airtightness according to claim 5, characterized in that: The sealing member (5) comprises a sealing sleeve (501), an oblique ring (502), a rotating sleeve (503) and a tightening ring (504); the inner wall of one end of the sealing sleeve (501) is fixedly sleeved with the outer wall of the connecting pipe (402), and the other end of the sealing sleeve (501) is fixedly connected with one end of the oblique ring (502); the outer wall of the sealing sleeve (501) is rotatably sleeved with the inner wall of the rotating sleeve (503), and the outer wall of the sealing sleeve (501) is provided with an external thread; the rotating sleeve (503) is fixedly sleeved with the inner wall of the rotating sleeve (503) and the outer wall of the sealing sleeve (501) is provided with an external thread; The inner wall of the rotating sleeve (503) is provided with a thread, the inner wall of the thread is threadedly connected to the outer wall of the external thread, and the inner wall of the rotating sleeve (503) is fixedly connected to the outer wall of the tightening ring (504), the number of the sealing sleeve (501), the oblique ring (502), the rotating sleeve (503) and the tightening ring (504) is two, and the two sealing sleeves (501), the oblique ring (502), the rotating sleeve (503) and the tightening ring (504) are all arranged in a mirror image along the center line of the main air pipe (401).