Reducing pipeline joint with good sealing effect

Abstract

The utility model provides a reducing pipeline joint with a good sealing effect, which comprises a thick pipe joint, a thin pipe joint, a butt joint piece arranged between the thick pipe joint and the thin pipe joint, and a first connecting groove and a second connecting groove which are respectively arranged in the thick pipe joint and the thin pipe joint, the thick pipe pipeline and the thin pipe pipeline are inserted into the first connecting groove and the second connecting groove in an attached and sliding mode respectively, the first sealing ring and the second sealing ring are arranged in the first connecting groove and the second connecting groove respectively, and the connecting pieces are arranged on the thick pipe pipeline, the thin pipe pipeline, the thick pipe joint and the thin pipe joint. According to the reducing pipeline joint with the good sealing effect, through the arrangement of the reinforcing assembly, after communication between a thin pipeline and a thick pipeline is completed, the stability of the whole connecting structure is effectively improved, potential safety risks caused by pipeline displacement or looseness are reduced, and sealing of communication between the thin pipeline and the thick pipeline is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of reducing joint, specifically, relates to a reducing pipe joint with good sealing effect. BACKGROUND

[0002] In the city, road construction process, as public facilities, the sewer network is the important component of city, road construction. When laying sewer pipe, for the connection of different diameter pipe, need to carry out reducing in the process of connection, therefore will use reducing joint. Reducing joint is the joint structure of two ends different diameter, when carrying out the connection of pipe, the two ends of reducing joint are connected with the pipe of adaptive diameter respectively, thereby realizing the reducing of pipe.

[0003] But the existing reducing joint in the completion of the communication of different diameter pipe, when water enters the thick pipe from the thin pipe, the water pressure of reducing joint place is easy to increase, and the axial impact force is easy to produce in the reducing process and drive the swing of reducing pipe place, thereby in the long time use process, the reducing joint is easy to appear loose, and further influence the sealing property of connection, even make the connection appear separation, fracture and leakage. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a reducing pipe joint with good sealing effect to solve the above problems.

[0005] In order to realize the above purpose, the utility model embodiment provides a reducing pipe joint with good sealing effect, which comprises: a thick pipe joint and a thin pipe joint, a butt joint piece arranged between the thick pipe joint and the thin pipe joint, a first connecting groove and a second connecting groove respectively arranged in the thick pipe joint and the thin pipe joint, a thick pipe and a thin pipe respectively slidably inserted in the first connecting groove and the second connecting groove, a first sealing ring and a second sealing ring respectively arranged in the first connecting groove and the second connecting groove, a connecting piece arranged on the thick pipe, the thin pipe, the thick pipe joint and the thin pipe joint, and a reinforcing piece arranged on the butt joint piece, wherein

[0006] The connecting piece is adapted to complete the connection of the thick pipe joint and the thick pipe, and the connection of the thin pipe joint and the thin pipe.

[0007] The butt joint piece is adapted to complete the mutual butt joint connection of the thick pipe joint and the thick pipe.

[0008] The reinforcing piece is adapted to limit the movement of the connecting piece.

[0009] Further, the connecting piece comprises a first nut sleeve and a second nut sleeve respectively movably sleeved outside the thick pipe pipeline and the thin pipe pipeline and respectively threadedly connected with the thick pipe joint and the thin pipe joint, and a first positioning ring and a second positioning ring respectively fixedly sleeved outside the thick pipe pipeline and the thin pipe pipeline and respectively abutting against inner walls of the first nut sleeve and the second nut sleeve.

[0010] Further, the connecting piece comprises a first nut sleeve and a second nut sleeve respectively movably sleeved outside the thick pipe pipeline and the thin pipe pipeline and respectively threadedly connected with the thick pipe joint and the thin pipe joint, and a first positioning ring and a second positioning ring respectively fixedly sleeved outside the thick pipe pipeline and the thin pipe pipeline and respectively abutting against inner walls of the first nut sleeve and the second nut sleeve.

[0011] Further, the connecting piece comprises a first nut sleeve and a second nut sleeve respectively movably sleeved outside the thick pipe pipeline and the thin pipe pipeline and respectively threadedly connected with the thick pipe joint and the thin pipe joint, and a first positioning ring and a second positioning ring respectively fixedly sleeved outside the thick pipe pipeline and the thin pipe pipeline and respectively abutting against inner walls of the first nut sleeve and the second nut sleeve.

[0012] Further, the connecting piece comprises a first nut sleeve and a second nut sleeve respectively movably sleeved outside the thick pipe pipeline and the thin pipe pipeline and respectively threadedly connected with the thick pipe joint and the thin pipe joint, and a first positioning ring and a second positioning ring respectively fixedly sleeved outside the thick pipe pipeline and the thin pipe pipeline and respectively abutting against inner walls of the first nut sleeve and the second nut sleeve.

[0013] Further, the connecting piece comprises a first nut sleeve and a second nut sleeve respectively movably sleeved outside the thick pipe pipeline and the thin pipe pipeline and respectively threadedly connected with the thick pipe joint and the thin pipe joint, and a first positioning ring and a second positioning ring respectively fixedly sleeved outside the thick pipe pipeline and the thin pipe pipeline and respectively abutting against inner walls of the first nut sleeve and the second nut sleeve.

[0014] Further, the connecting piece comprises a first nut sleeve and a second nut sleeve respectively movably sleeved outside the thick pipe pipeline and the thin pipe pipeline and respectively threadedly connected with the thick pipe joint and the thin pipe joint, and a first positioning ring and a second positioning ring respectively fixedly sleeved outside the thick pipe pipeline and the thin pipe pipeline and respectively abutting against inner walls of the first nut sleeve and the second nut sleeve.

[0015] Further, the connecting piece comprises a first nut sleeve and a second nut sleeve respectively movably sleeved outside the thick pipe pipeline and the thin pipe pipeline and respectively threadedly connected with the thick pipe joint and the thin pipe joint, and a first positioning ring and a second positioning ring respectively fixedly sleeved outside the thick pipe pipeline and the thin pipe pipeline and respectively abutting against inner walls of the first nut sleeve and the second nut sleeve.

[0016] Further, the connecting piece comprises a first nut sleeve and a second nut sleeve respectively movably sleeved outside the thick pipe pipeline and the thin pipe pipeline and respectively threadedly connected with the thick pipe joint and the thin pipe joint, and a first positioning ring and a second positioning ring respectively fixedly sleeved outside the thick pipe pipeline and the thin pipe pipeline and respectively abutting against inner walls of the first nut sleeve and the second nut sleeve.

[0017] Further, the connecting piece comprises a first nut sleeve and a second nut sleeve respectively movably sleeved outside the thick pipe pipeline and the thin pipe pipeline and respectively threadedly connected with the thick pipe joint and the thin pipe joint, and a first positioning ring and a second positioning ring respectively fixedly sleeved outside the thick pipe pipeline and the thin pipe pipeline and respectively abutting against inner walls of the first nut sleeve and the second nut sleeve.

[0018] Compared with the prior art, the embodiments of the utility model have the following beneficial effects:

[0019] The variable-diameter pipe joint with the good sealing effect can effectively limit the displacement of the thick pipe, the thick pipe joint, the thin pipe and the thin pipe joint, and effectively limit the rotation and horizontal displacement of the first nut sleeve and the second nut sleeve in the connecting piece, improve the stability of the variable-diameter joint, prevent loosening at the connection, and can reduce the wear and fatigue of the joint and the pipe itself caused by frequent vibration, avoid the loosening of the first nut sleeve and the second nut sleeve to affect the sealing of the pipe connection, and thus can improve the stability and durability of the variable-diameter pipe structure, reduce the maintenance cost and improve the safety and reliability of the overall pipe system. BRIEF DESCRIPTION OF DRAWINGS

[0020] The utility model is further explained below in combination with the drawings and examples.

[0021] Figure 1 A perspective view of the utility model is shown;

[0022] Figure 2 A partially exploded perspective view of the utility model is shown;

[0023] Figure 3 A partial cross-sectional view of the utility model is shown;

[0024] Figure 4 A partially cutaway perspective view of the utility model is shown Figure 1 ;

[0025] Figure 5 A partially cutaway perspective view of the utility model is shown Figure 2 ;

[0026] Figure 6 A partially cutaway perspective view of the utility model is shown Figure 3 .

[0027] In the drawings

[0028] 1, thick pipe joint; 2, thin pipe joint; 3, butt joint; 4, first connecting groove; 5, second connecting groove; 6, thick pipe; 7, thin pipe; 8, first sealing ring; 9, second sealing ring; 10, connecting piece; 11, reinforcing member; 12, first nut sleeve; 13, second nut sleeve; 14, first positioning ring; 15, second positioning ring; 16, first closed groove; 17, second closed groove; 18, first butt joint sleeve; 19, second butt joint sleeve; 20, butt joint groove; 21, butt joint ring; 22, fastening member; 23, conical fastening ring; 24, fastening sleeve; 25, extrusion groove; 26, reinforcing plate; 27, positioning screw; 28, positioning plate; 29, connecting rod; 30, external thread; 31, connecting nut. DETAILED DESCRIPTION

[0029] The present invention will now be described in further detail with reference to the accompanying drawings, which are simplified schematic diagrams that illustrate the basic structure of the present invention in a schematic manner.

[0030] like Figures 1-6 As shown, a reducer pipe joint with good sealing effect includes: a thick pipe joint 1 and a thin pipe joint 2, a docking piece 3 arranged between the thick pipe joint 1 and the thin pipe joint 2, a first connecting groove 4 and a second connecting groove 5 respectively provided in the thick pipe joint 1 and the thin pipe joint 2, a thick pipe 6 and a thin pipe 7 respectively fitted and slidably inserted in the first connecting groove 4 and the second connecting groove 5, a first sealing ring 8 and a second sealing ring 9 respectively provided in the first connecting groove 4 and the second connecting groove 5, a connecting piece 10 provided on the thick pipe 6, the thin pipe 7, the thick pipe joint 1 and the thin pipe joint 2, and a reinforcing piece 11 provided on the docking piece 3, wherein

[0031] The connector 10 is suitable for connecting the thick pipe joint 1 to the thick pipe 6, and the thin pipe joint 2 to the thin pipe 7;

[0032] The butt joint 3 is suitable for completing the butt connection between the thick pipe joint 1 and the thick pipe 6;

[0033] The reinforcing member 11 is suitable for limiting the movement of the connecting member 10. When in use, the connecting member 10 can be used to complete the stable connection between the thick pipe 6 and the thick pipe joint 1, and the stable connection between the thin pipe 7 and the thin pipe joint 2. Under the cooperation of the first sealing ring 8 and the second sealing ring 9, the sealing of the connection between the thick pipe 6 and the thick pipe joint 1, and the thin pipe 7 and the thin pipe joint 2 is guaranteed. At this time, the butt joint 3 is provided, and the butt joint 2 and the thick pipe joint 1 can be completed without causing large displacement and deformation of the thin pipe 7 and the thick pipe 6, thereby realizing the mutual communication between the thick pipe joint 1 and the thin pipe joint 2. Afterwards, the reinforcing member 11 is provided. , which can effectively limit the rotation of the first nut sleeve 12 and the second nut sleeve 13 in the connecting member 10, as well as the horizontal displacement, thereby effectively increasing the stability of the connection between the thick pipe 6 and the thick pipe joint 1, and the thin pipe 7 and the thin pipe joint 2. When the thin pipe 7 and the thick pipe 6 shake, the first nut sleeve 12 and the second nut sleeve 13 will not be loosened due to vibration, further improving the sealing effect of the connection between the thick pipe 6 and the thick pipe joint 1, and the thin pipe 7 and the thin pipe joint 2; at the same time, with the cooperation of the reinforcement component, the connection between the thick pipe joint 1 and the thin pipe joint 2 is limited and fixed for the second time, thereby effectively preventing the connection between the thick pipe joint 1 and the thin pipe joint 2 from loosening.

[0034] Optionally, the connecting piece 10 comprises a first nut sleeve 12 and a second nut sleeve 13 respectively movably sleeved outside the thick pipe pipeline 6 and the thin pipe pipeline 7 and respectively threadedly connected with the thick pipe joint 1 and the thin pipe joint 2, a first positioning ring 14 and a second positioning ring 15 respectively fixedly sleeved outside the thick pipe pipeline 6 and the thin pipe pipeline 7 and respectively abutting against the inner walls of the first nut sleeve 12 and the second nut sleeve 13. In use, after the thick pipe pipeline 6 and the thin pipe pipeline 7 are respectively inserted into the first connecting groove 4 and the second connecting groove 5 in the thick pipe joint 1 and the thin pipe joint 2, the first nut sleeve 12 and the second nut sleeve 13 are respectively threadedly installed on the thick pipe joint 1 and the thin pipe joint 2, and the first positioning ring 14 and the second positioning ring 15 are continuously pressed and pushed during the rotation of the first nut sleeve 12 and the second nut sleeve 13, so that the first positioning ring 14 drives the thick pipe pipeline 6 to press the first sealing ring 8, and the second positioning ring 15 drives the thin pipe pipeline 7 to press the second sealing ring 9. When the first nut sleeve 12 and the second nut sleeve 13 are rotated and locked, the stable sealing connection of the thick pipe pipeline 6 and the thick pipe joint 1 and the stable sealing connection of the thin pipe pipeline 7 and the thin pipe joint 2 are respectively completed.

[0035] Optionally, the connecting piece 10 comprises a first nut sleeve 12 and a second nut sleeve 13 respectively movably sleeved outside the thick pipe pipeline 6 and the thin pipe pipeline 7 and respectively threadedly connected with the thick pipe joint 1 and the thin pipe joint 2, a first positioning ring 14 and a second positioning ring 15 respectively fixedly sleeved outside the thick pipe pipeline 6 and the thin pipe pipeline 7 and respectively abutting against the inner walls of the first nut sleeve 12 and the second nut sleeve 13. In use, after the thick pipe pipeline 6 and the thin pipe pipeline 7 are respectively inserted into the first connecting groove 4 and the second connecting groove 5 in the thick pipe joint 1 and the thin pipe joint 2, the first nut sleeve 12 and the second nut sleeve 13 are respectively threadedly installed on the thick pipe joint 1 and the thin pipe joint 2, and the first positioning ring 14 and the second positioning ring 15 are continuously pressed and pushed during the rotation of the first nut sleeve 12 and the second nut sleeve 13, so that the first positioning ring 14 drives the thick pipe pipeline 6 to press the first sealing ring 8, and the second positioning ring 15 drives the thin pipe pipeline 7 to press the second sealing ring 9. When the first nut sleeve 12 and the second nut sleeve 13 are rotated and locked, the stable sealing connection of the thick pipe pipeline 6 and the thick pipe joint 1 and the stable sealing connection of the thin pipe pipeline 7 and the thin pipe joint 2 are respectively completed.

[0036] Optionally, the fastener 22 comprises two tapered fastening rings 23 fixedly sleeved outside the thick pipe joint 1 and the thin pipe joint 2, two fastening sleeves 24 movably sleeved outside the thick pipe joint 1 and the thin pipe joint 2 and connected to each other by bolts, and extrusion grooves 25 formed in the two fastening sleeves 24 and corresponding to the two tapered fastening rings 23;

[0037] The two tapered fastening rings 23 abut against the inner walls of the extrusion grooves 25. After the thick pipe joint 1 and the thin pipe joint 2 are aligned and the first butt joint sleeve 18 abuts against the second butt joint sleeve 19, the two fastening sleeves 24 are sleeved outside the abutting position of the thick pipe joint 1 and the thin pipe joint 2, the two tapered fastening rings 23 correspond to the extrusion grooves 25 in the two fastening sleeves 24, the two fastening sleeves 24 are connected by the bolts, and the extrusion grooves 25 extrude and control the two tapered fastening rings 23 during the mutual adjustment of the two fastening sleeves 24, thereby controlling the thick pipe joint 1 and the thin pipe joint 2 to effectively abut against each other, ensuring that the first butt joint sleeve 18 and the second butt joint sleeve 19 can stably abut against each other, and further improving the sealing effect of the connection between the first butt joint sleeve 18 and the second butt joint sleeve 19.

[0038] Optionally, the reinforcing member 11 comprises two reinforcing plates 26 fixedly connected to the two fastening sleeves 24, respectively, a plurality of positioning screws 27 threadedly installed at both ends of the two reinforcing plates 26, respectively, and positioning plates 28 fixedly connected to the plurality of positioning screws 27, respectively.

[0039] The plurality of positioning screws 27 abut against the outer walls of the first nut sleeve 12 and the second nut sleeve 13, respectively. After the connecting member 10 connects the thick pipe 6 and the thin pipe 7 to each other, the two reinforcing plates 26 are arranged on the upper and lower sides of the thick pipe 6 and the thin pipe 7, respectively. At this time, the plurality of positioning screws 27 on the two reinforcing plates 26 are rotated to control the plurality of positioning plates 28 on the plurality of positioning screws 27 to abut against the first nut sleeve 12 and the second nut sleeve 13, respectively, thereby locking and limiting the movement of the first nut sleeve 12 and the second nut sleeve 13. Thus, during long-term use, the rotation of the first nut sleeve 12 and the second nut sleeve 13 due to the loosening caused by the vibration and shaking of the thick pipe 6 and the thin pipe 7 can be effectively avoided, thereby ensuring the tightness of the connection between the thick pipe 6 and the thin pipe 7 and the thick pipe joint 1 and the thin pipe joint 2 and effectively improving the sealing effect of the connection between the thick pipe 6 and the thin pipe 7 and the thick pipe joint 1 and the thin pipe joint 2.

[0040] Optionally, the reinforcing member 11 further comprises a plurality of connecting rods 29 movably inserted into the two reinforcing plates 26, a plurality of external threads 30 arranged at the lower ends of the connecting rods 29 respectively, and a plurality of connecting nuts 31 respectively screwed with the connecting rods 29 through the external threads 30;

[0041] The connecting rods 29 are in contact with the reinforcing plates 26, and in use, the connecting rods 29 are inserted into the two reinforcing plates 26, and the connecting nuts 31 are screwed onto the connecting rods 29 through the external threads 30, and the connecting nuts 31 are in contact with the reinforcing plates 26 when rotated, so as to limit the movement of the two reinforcing plates 26, thereby effectively improving the stability of the positions of the positioning screws 27 and ensuring the positioning effect of the positioning screws 27; the connecting rods 29 can shield the two sides of the first nut sleeve 12 and the second nut sleeve 13, thereby limiting the horizontal displacement of the first nut sleeve 12 and the second nut sleeve 13, further improving the stability and durability of the pipe joint structure, and reducing the maintenance cost and improving the safety and reliability of the overall pipeline system.

[0042] Optionally, the first sealing ring 8 is in contact with the inner wall of the first connecting groove 4 and the end face of the thick pipe 6, and the second sealing ring 9 is in contact with the inner wall of the second connecting groove 5 and the end face of the thin pipe 7, so that the first sealing ring 8 and the second sealing ring 9 can effectively seal the connection between the thick pipe 6 and the thick pipe joint 1 and the connection between the thin pipe 7 and the thin pipe joint 2.

[0043] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. Those skilled in the art can make various modifications and changes to the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A variable diameter pipe joint having a sealing effect, characterized in that, The utility model relates to a kind of variable-diameter pipe joints with sealing effect, including: thick pipe joint (1) and thin pipe joint (2), butt joint (3) is arranged between the thick pipe joint (1) and the thin pipe joint (2), first connecting groove (4) and second connecting groove (5) are respectively opened in the thick pipe joint (1) and the thin pipe joint (2), thick pipe pipeline (6) and thin pipe pipeline (7) are respectively pasted and inserted in the first connecting groove (4) and the second connecting groove (5), first sealing ring (8) and second sealing ring (9) are respectively arranged in the first connecting groove (4) and the second connecting groove (5), connecting piece (10) is arranged on the thick pipe pipeline (6), the thin pipe pipeline (7), the thick pipe joint (1) and the thin pipe joint (2), and reinforcing member (11) is arranged on the butt joint (3), wherein The connecting piece (10) is suitable for connecting the thick pipe joint (1) and the thick pipe pipeline (6), and connecting the thin pipe joint (2) and the thin pipe pipeline (7); The butt joint (3) is suitable for connecting the thick pipe joint (1) and the thick pipe pipeline (6) with each other; The reinforcing member (11) is suitable for limiting the activity of the connecting piece (10).

2. The variable-diameter pipe joint with sealing effect according to claim 1, wherein The connecting piece (10) comprises first nut sleeve (12) and second nut sleeve (13) which are movably sleeved outside the thick pipe pipeline (6) and the thin pipe pipeline (7) respectively and are threadedly connected with the thick pipe joint (1) and the thin pipe joint (2) respectively, and first positioning ring (14) and second positioning ring (15) are fixedly sleeved outside the thick pipe pipeline (6) and the thin pipe pipeline (7) respectively and abut against the inner walls of the first nut sleeve (12) and the second nut sleeve (13).

3. The variable-diameter pipe joint with sealing effect according to claim 2, wherein The butt joint (3) comprises first closed groove (16) and second closed groove (17) which are opened in the thick pipe joint (1) and the thin pipe joint (2) respectively and are connected with the first connecting groove (4) and the second connecting groove (5) respectively, first butt joint sleeve (18) and second butt joint sleeve (19) which are arranged in the first closed groove (16) and the second closed groove (17) respectively, butt joint groove (20) which is opened in the second butt joint sleeve (19), butt joint ring (21) which is fixed on the first butt joint sleeve (18) and is pasted and inserted in the butt joint groove (20), and fastener (22) which is arranged outside the thick pipe joint (1) and the thin pipe joint (2).

4. The variable-diameter pipe joint with sealing effect according to claim 3, wherein ​ The fastener (22) comprises two conical fastening rings (23) fixedly sleeved outside the thick pipe joint (1) and the thin pipe joint (2), two fastening sleeves (24) movably sleeved outside the thick pipe joint (1) and the thin pipe joint (2) and connected with each other through bolts, and extrusion grooves (25) formed in the two fastening sleeves (24) and corresponding to the two fastening rings; The two conical fastening rings (23) are in abutment with the inner walls of the extrusion grooves (25).

5. The variable-diameter pipe joint with good sealing effect according to claim 4, characterized in that The reinforcing member (11) comprises two reinforcing plates (26) fixedly connected with the two fastening sleeves (24) respectively, a plurality of positioning screw rods (27) threadedly installed at two ends of the two reinforcing plates (26) respectively, and a positioning plate (28) fixed on the plurality of positioning screw rods (27) respectively. The plurality of positioning screw rods (27) are in abutment with the outer walls of the first nut sleeve (12) and the second nut sleeve (13) respectively.

6. The variable-diameter pipe joint with good sealing effect according to claim 5, characterized in that The reinforcing member (11) further comprises a plurality of connecting rods (29) movably sleeved on the two reinforcing plates (26), a plurality of external threads (30) arranged at lower ends of the plurality of connecting rods (29) respectively, and a plurality of connecting nuts (31) threadedly connected with the plurality of connecting rods (29) through the plurality of external threads (30) respectively. The plurality of connecting rods (29) are in abutment with one of the two reinforcing plates (26) respectively.

7. The variable-diameter pipe joint with good sealing effect according to claim 1, characterized in that The first sealing ring (8) is in abutment with the inner wall of the first connecting groove (4) and the end face of the thick pipe (6), and the second sealing ring (9) is in abutment with the inner wall of the second connecting groove (5) and the end face of the thin pipe (7).

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