Quick-connection plug

Abstract

The utility model discloses a quick plug, which belongs to the technical field of gas pipe joint connection and comprises a gas pipe and a gas guide pipe mounted on a gas channel, a first connector and a second connector are mounted at pipe orifices of the gas pipe and the gas guide pipe, and a quick plug-in mechanism is arranged between the first connector and the second connector. The surface of the quick inserting mechanism is sleeved with a fixing mechanism used in cooperation with the first connector and the second connector, and the first connector and the second connector are arranged on the gas pipe and the position of a connecting pipe opening of a gas guide pipe on the gas channel so that the gas pipe can be conveniently connected with the gas guide pipe. According to the gas pipe connecting device, the quick inserting mechanism is arranged at the connecting position, so that the gas pipe is quickly inserted into the second connector through the first connector, the connecting speed of the gas pipe is increased, the inserting position of the gas pipe is fixed through the fixing mechanism, the connecting stability of the gas pipe is enhanced, and the leakproofness of the connecting position of the gas pipe is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of connection of gas pipe joints, in particular to a quick-connect plug. Background Art

[0002] The gas pipe is a special pipeline for transporting combustible gas. It is a gas pipe hose made of metal material. During the gas transportation process, it needs to be connected to the natural gas pipeline through the gas pipe. However, the existing gas pipe joint location steps are too cumbersome, which makes it inconvenient for workers to connect the gas pipe, resulting in slow gas pipe connection speed and prone to gas leakage at the connection location, thereby reducing the sealing effect of the gas pipe joint. Utility Model Content

[0003] The purpose of the present utility model is to provide a quick-connect plug, which can facilitate the connection between the gas pipe and the gas guide pipe by arranging a first connector and a second connector at the connection pipe opening position with the gas guide pipe on the gas channel, and a quick plug-in mechanism is arranged at the connection position so that the gas pipe can be quickly plugged into the inside of the second connector through the first connector, thereby speeding up the connection speed of the gas pipe, and fixing the gas pipe again at the plug-in position by a fixing mechanism, thereby enhancing the stability of the gas pipe connection and improving the airtightness of the gas pipe connection position, so as to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a quick-connect plug, comprising a gas pipe and an air duct installed on a gas channel, wherein the pipe openings of the gas pipe and the air duct are installed with a first connector and a second connector, a quick-connect mechanism is provided between the first connector and the second connector, and a fixing mechanism is sleeved on the surface of the quick-connect mechanism for use with the first connector and the second connector.

[0005] Preferably, the quick plug-in mechanism includes an inner tube and an outer tube, one end of the inner tube is fixed on the first connecting head, one end of the outer tube is fixed on the second connecting head, the inner tube is inserted into the interior of the outer tube, the surface of the inner tube is sleeved with a first sealing gasket, the inner cavity of the outer tube is filled with a second sealing gasket, the first sealing gasket is fitted with the pipe mouth of the outer tube, the second sealing gasket is fitted with the pipe mouth of the inner tube, and the fixing mechanism is installed on the surface of the outer tube.

[0006] Preferably, the fixing mechanism includes two clips, the inner side walls of the clips are clipped to the surfaces of the first connector and the second connector, a clamping block is provided at the contact position between the inner side wall of the clip and the outer tube, the inner wall of the clamping block is fitted with the surface of the outer tube, and fixing plates are integrally formed on both sides of the clip, and a fastening component is provided on the surface of the fixing plate.

[0007] Preferably, the fastening assembly includes mounting holes, which are opened at both ends of the surface of the fixing plate, the inner cavity of the mounting holes is inserted with positioning bolts, the surface of the fixing plate is clamped with positioning blocks, and the positioning bolts pass through the positioning blocks and are threadedly connected with threaded caps.

[0008] Preferably, groove openings are provided on the surfaces of the first connector and the second connector, and the pipe openings of the gas pipe and the gas guide pipe are both arranged inside the groove openings.

[0009] Preferably, the surfaces of the gas pipe and the gas guide pipe are connected with fixing rings, the surface of each fixing ring is threadedly connected to a connector via a thread groove, and the inner cavities of the two connectors are threadedly connected to the surfaces of the first connector and the second connector via a thread groove.

[0010] Preferably, a protective sleeve is provided on the surface of the gas pipe, and the protective sleeve is spirally wound around the surface of the gas pipe.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] 1. The utility model provides a quick-connect plug, which can facilitate the connection between the gas pipe and the gas duct by arranging a first connector and a second connector at the connection pipe opening of the gas pipe and the gas duct on the gas channel. A quick plug-in mechanism is provided at the connection position so that the gas pipe can be quickly plugged into the inside of the second connector through the first connector, thereby speeding up the connection speed of the gas pipe. The gas pipe is fixed again at the plug-in position by a fixing mechanism, thereby enhancing the stability of the gas pipe connection and improving the airtightness of the gas pipe connection position.

[0013] 2. The utility model provides a quick-connect plug, which can make the sealing effect of the connection between the gas pipe and the gas duct and the first connector and the second connector better by setting the groove opening, and through the cooperation of the fixing ring and the connecting piece, the fixing ring and the surfaces of the first connector and the second connector can be fixed by the connecting piece through the threaded groove, thereby enhancing the fixing effect of the connection between the first connector and the second connector and the gas pipe and the gas duct respectively. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the exploded structure of the quick plug-in mechanism and the fixing mechanism of the utility model;

[0016] Figure 3 This is a partial schematic diagram of the fixing mechanism structure of the present utility model;

[0017] Figure 4It is a partial cross-sectional schematic diagram of the quick plug-in mechanism structure of the utility model;

[0018] Figure 5 This is a schematic structural diagram of the first connector of the present invention;

[0019] Figure 6 For this utility model Figure 2 Enlarged schematic diagram of point A in the structure.

[0020] Numbers in the figure: 1. Gas pipe; 2. Gas guide pipe; 3. First connector; 4. Second connector; 5. Quick plug-in mechanism; 51. Inner tube; 52. Outer tube; 53. First sealing gasket; 54. Second sealing gasket; 6. Fixing mechanism; 61. Buckle; 62. Block; 63. Fixing plate; 64. Fastening assembly; 641. Mounting hole; 642. Positioning bolt; 643. Threaded cap; 644. Positioning block; 7. Groove; 8. Fixing ring; 9. Connector; 10. Protective cover. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] The utility model provides Figures 1 to 6 The quick-connect plug shown includes a gas pipe 1 and an air duct 2 installed on a gas passage, wherein the pipe ends of the gas pipe 1 and the air duct 2 are installed with a first connector 3 and a second connector 4, and a quick plug-in mechanism 5 is provided between the first connector 3 and the second connector 4. The surface of the quick plug-in mechanism 5 is sleeved with a fixing mechanism 6 used in conjunction with the first connector 3 and the second connector 4. By arranging the first connector 3 and the second connector 4 at the connection pipe end position of the gas pipe 1 and the air duct 2 on the gas passage, the connection between the gas pipe 1 and the air duct 2 can be facilitated. A quick plug-in mechanism 5 is provided at the connection position so that the gas pipe 1 can be quickly plugged into the inside of the second connector 4 through the first connector 3, thereby speeding up the connection speed of the gas pipe 1, and the gas pipe 1 is fixed again by the fixing mechanism 6 at the plug-in position, thereby enhancing the stability of the connection of the gas pipe 1 and improving the airtightness of the connection position of the gas pipe 1.

[0023] The quick plug-in mechanism 5 includes an inner tube 51 and an outer tube 52, one end of the inner tube 51 is fixed on the first connecting head 3, and one end of the outer tube 52 is fixed on the second connecting head 4. The inner tube 51 is inserted into the interior of the outer tube 52, and the surface of the inner tube 51 is sleeved with a first sealing gasket 53, and the inner cavity of the outer tube 52 is filled with a second sealing gasket 54. The first sealing gasket 53 fits with the pipe mouth of the outer tube 52, and the second sealing gasket 54 fits with the pipe mouth of the inner tube 51. The fixing mechanism 6 is installed on the surface of the outer tube 52. By setting the inner tube 51, it can be quickly inserted into the inner wall of the outer tube 52, and the pipe mouth position of the inner tube 51 fits with the second sealing gasket 54, and the pipe mouth position of the outer tube 52 fits with the first sealing gasket 53. This not only enables the gas pipe 1 to achieve the effect of quick plug-in, but also improves the sealing effect of the connection of the gas pipe 1, which is fast and convenient and convenient for the staff to install.

[0024] The fixing mechanism 6 includes two clips 61, the inner side wall of the clip 61 is clipped to the surface of the first connector 3 and the second connector 4, and a clamping block 62 is provided at the contact position between the inner side wall of the clip 61 and the outer tube 52. The inner wall of the clamping block 62 fits the surface of the outer tube 52. Fixing plates 63 are integrally formed on both sides of the clip 61, and a fastening component 64 is provided on the surface of the fixing plate 63. By arranging the cooperation between the clip 61 and the clamping block 62, the connection between the outer tube 52 and the inner tube 51 can be further fixed, and the airtightness of the connection of the gas pipe 1 is enhanced. The clip 61 is then fixed by the fastening component 64, so that the clip 61 is not easily separated from the surface of the outer tube 52.

[0025] The fastening assembly 64 includes mounting holes 641, which are opened at both ends of the surface of the fixing plate 63. The inner cavity of the mounting hole 641 is inserted with a positioning bolt 642, and the surface of the fixing plate 63 is clamped with a positioning block 644. The positioning bolt 642 passes through the positioning block 644 and is threadedly connected with a threaded cap 643. Through the cooperation of the set mounting holes 641, the positioning bolt 642 and the threaded cap 643, the two clips 61 can be fixed, and the tension between the two clips 61 can be enhanced, thereby providing an auxiliary sealing effect for the connection of the gas pipe 1.

[0026] The surfaces of the first connecting head 3 and the second connecting head 4 are provided with a groove opening 7, and the pipe openings of the gas pipe 1 and the air duct 2 are both arranged inside the groove opening 7. The surfaces of the gas pipe 1 and the air duct 2 are connected with a fixing ring 8, and the surface of each of the fixing rings 8 is threadedly connected to a connecting piece 9 through a threaded groove. The inner cavity of the two connecting pieces 9 is threadedly connected to the surfaces of the first connecting head 3 and the second connecting head 4 through a threaded groove. The provided groove opening 7 can make the sealing effect of the connection between the gas pipe 1 and the air duct 2 and the first connecting head 3 and the second connecting head 4 better, and through the cooperation of the fixing ring 8 and the connecting piece 9, the fixing ring 8 and the surfaces of the first connecting head 3 and the second connecting head 4 can be fixed through the threaded groove through the connecting piece 9, thereby enhancing the fixing effect of the first connecting head 3 and the second connecting piece 4 to the gas pipe 1 and the air duct 2 respectively.

[0027] A protective sleeve 10 is provided on the surface of the gas pipe 1. The protective sleeve 10 is spirally wound around the surface of the gas pipe 1. The protective sleeve 10 can provide a protective effect on the surface wall of the gas pipe 1 and reduce the wear of the surface wall of the gas pipe 1.

[0028] When in use, first, the groove openings 7 on the first connector 3 and the second connector 4 are respectively fixed to the positions of the pipe openings of the gas pipe 1 and the gas guide pipe 2, thereby improving the sealing effect of the pipe openings of the gas pipe 1 and the gas guide pipe 2. By cooperating with the fixing ring 8 and the connecting piece 9, the fixing ring 8 and the surfaces of the first connector 3 and the second connector 4 can be fixed through the threaded groove through the connecting piece 9, thereby enhancing the fixing effect of the connection between the first connector 3 and the second connector 4 and the gas pipe 1 and the gas guide pipe 2, respectively. Then, the inner tube 51 can be quickly inserted into the inner wall of the outer tube 52, and The pipe mouth position of the inner tube 51 fits with the second sealing gasket 54, and the pipe mouth position of the outer tube 52 fits with the first sealing gasket 53, which not only enables the gas pipe 1 to achieve the effect of quick plug-in, but also improves the sealing effect of the connection of the gas pipe 1. It is quick and convenient, and convenient for the staff to install. Then, by setting the cooperation of the buckle 61 and the block 62, the connection between the outer tube 52 and the inner tube 51 can be further fixed, and the airtightness of the connection of the gas pipe 1 is enhanced. Finally, the buckle 61 is fixed by the fastening component 64, so that the buckle 61 is not easily separated from the surface of the outer tube 52.

[0029] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A quick-connect plug, comprising a gas pipe (1) and a gas guide pipe (2) installed on the gas passage, characterized in that: The gas pipe (1) and the gas guide pipe (2) are provided with a first connector (3) and a second connector (4) at their pipe ends; a quick plug-in mechanism (5) is provided between the first connector (3) and the second connector (4); and a fixing mechanism (6) for use with the first connector (3) and the second connector (4) is sleeved on the surface of the quick plug-in mechanism (5).

2. The quick-connect plug according to claim 1, characterized in that: The quick plug-in mechanism (5) comprises an inner tube (51) and an outer tube (52), one end of the inner tube (51) is fixed on a first connector (3), one end of the outer tube (52) is fixed on a second connector (4), the inner tube (51) is plugged into the interior of the outer tube (52), a first sealing gasket (53) is sleeved on the surface of the inner tube (51), and the inner cavity of the outer tube (52) is filled with a second sealing gasket (54), the first sealing gasket (53) is in contact with the tube mouth of the outer tube (52), and the second sealing gasket (54) is in contact with the tube mouth of the inner tube (51), and the fixing mechanism (6) is installed on the surface of the outer tube (52).

3. The quick-connect plug according to claim 2, characterized in that: The fixing mechanism (6) comprises two buckles (61), the inner side walls of the buckles (61) are clamped on the surfaces of the first connector (3) and the second connector (4), a clamping block (62) is provided at the contact position between the inner side wall of the buckle (61) and the outer tube (52), the inner wall of the clamping block (62) is in contact with the surface of the outer tube (52), and a fixing plate (63) is integrally formed on both sides of the buckle (61), and a fastening component (64) is provided on the surface of the fixing plate (63).

4. The quick-connect plug according to claim 3, characterized in that: The fastening assembly (64) includes mounting holes (641), the mounting holes (641) are opened at both ends of the surface of the fixing plate (63), the inner cavity of the mounting holes (641) is plugged with positioning bolts (642), the surface of the fixing plate (63) is clamped with a positioning block (644), and the positioning bolts (642) pass through the positioning block (644) and are threadedly connected to a threaded cap (643).

5. The quick-connect plug according to claim 1, characterized in that: A groove opening (7) is provided on the surface of the first connector (3) and the second connector (4), and the pipe openings of the gas pipe (1) and the gas guide pipe (2) are both arranged inside the groove opening (7).

6. The quick-connect plug according to claim 5, characterized in that: The surfaces of the gas pipe (1) and the gas guide pipe (2) are both connected to a fixing ring (8), the surface of each fixing ring (8) is threadedly connected to a connecting piece (9) via a thread groove, and the inner cavities of the two connecting pieces (9) are threadedly connected to the surfaces of the first connecting head (3) and the second connecting head (4) via a thread groove.

7. The quick-connect plug according to claim 1, characterized in that: A protective sleeve (10) is provided on the surface of the gas pipe (1), and the protective sleeve (10) is spirally wound around the surface of the gas pipe (1).

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