High-strength urea pipe

Abstract

The utility model belongs to the technical field of urea pipes, and particularly relates to a high-strength urea pipe which comprises a urea pipe body, a first connector and a second connector are welded to the two ends of the urea pipe body respectively, and four through holes which are distributed at equal intervals and circumferentially formed are formed in the side face of each of the first connector and the second connector and used for installing bolts and nuts. The first connectors and the second connectors on the two adjacent urea pipes can be preliminarily connected, the connecting assemblies arranged between the first connectors and the second connectors which are adjacent can enhance the connecting strength between the two urea pipes, and the situation that bolts are loosened after long-term use is prevented; and a plurality of wave crests are fixedly arranged on the outer surface of the urea pipe, so that the compression resistance of the urea pipe is improved, and the high-strength effect is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of urea pipes, and in particular relates to a high-strength urea pipe. Background Art

[0002] Urea pipes are used to transport urea solution, which is a liquid reducing agent. In the catalytic reduction system, the nitrogen oxides in the exhaust gas are catalytically reduced into nitrogen and water. The automotive urea decomposes into ammonia at a certain temperature to selectively catalytically reduce the nitrogen oxides, thereby achieving the goals of both energy saving and emission reduction. The existing urea pipes have low strength, which makes them prone to deformation and cracking due to external environmental factors. Utility Model Content

[0003] The purpose of the utility model is to provide a high-strength urea pipe in view of the above-mentioned technical problems, so as to solve the problems raised in the background technology.

[0004] In view of this, the utility model provides a high-strength urea pipe, comprising a urea pipe, wherein a first connector and a second connector are fixedly installed at both ends of the urea pipe, and four through holes are opened on the sides of the first connector and the second connector, which are equidistantly distributed and circumferentially arranged;

[0005] A connecting assembly, wherein the first connecting heads on two adjacent urea pipes are fixedly connected to the second connecting heads through the connecting assembly;

[0006] Wave crests: a plurality of wave crests are fixedly arranged on the outer surface of the urea tube.

[0007] In the above technical solution, further, the urea pipe comprises:

[0008] Pipeline body;

[0009] Insulation layer: the inner wall of the pipeline body is provided with an insulation layer;

[0010] Compression-resistant rubber: the outer side wall of the pipeline body is provided with compression-resistant rubber.

[0011] In the above technical solution, further, the crest includes a first shell, and a second shell is fixedly arranged between the plurality of first shells, and the first shell and the second shell are arranged alternately.

[0012] In the above technical solution, further, support rods are fixedly arranged on the inner sides of the plurality of first shells, and support nets are fixedly arranged on the inner sides of the plurality of second shells.

[0013] In the above technical solution, further, the connection component includes:

[0014] Rectangular holes, two symmetrically arranged rectangular holes are provided on the sides of the first connector and the second connector;

[0015] A hollow block, wherein the two rectangular holes on the first connecting head are both fixedly installed with a hollow block;

[0016] Slide blocks, two symmetrically arranged slide blocks are slidably mounted inside each hollow block, and two ends of the two slide blocks, which are far away from each other, respectively pass through the opposite sides of the hollow block;

[0017] Slopes, both ends of the two sliders are provided with slopes;

[0018] Moving assembly: each hollow block is provided with a moving assembly for moving two sliding blocks.

[0019] In the above technical solution, further, the mobile component includes:

[0020] A pull rod is slid in the center of the hollow block and is arranged horizontally, with the top end of the pull rod passing through one end of the hollow block;

[0021] A pull plate is abutted against one side of the outer portion of the hollow block, and a pull rod passes through the top end of the hollow block and is fixedly installed at the center of one side of the pull plate;

[0022] The movable rods are rotatably mounted at both ends of the two corresponding sliders, and the top ends of the two movable rods are rotatably mounted on both sides of the end of the pull rod.

[0023] In the above technical solution, further, two spring rods are symmetrically fixedly installed on opposite sides inside the hollow block, and the two spring rods are horizontally arranged, and fixing plates are fixedly installed on opposite ends of the two spring rods, and the two fixing plates are respectively fixedly installed on the sides of the two corresponding sliders.

[0024] In the above technical solution, further, each through hole on the first connecting head is provided with a bolt for connecting to the second connecting head, and a nut is threadedly connected to the surface of each bolt.

[0025] The beneficial effects of the utility model are:

[0026] 1. The inner wall of the pipeline body is fitted with an insulation layer to improve the insulation effect of the pipeline. The outer wall of the pipeline body is provided with pressure-resistant rubber, which is chloroprene rubber. It has good elasticity and has excellent effects in tensile strength, wear resistance, heat resistance, etc., thereby further improving the overall high-strength pressure resistance effect.

[0027] 2. When the support rods and support nets are subjected to external forces, they disperse the pressure and improve the compression resistance of the urea pipe.

[0028] 3. Through the setting of the mobile assembly, the pull plate is pulled during disassembly, thereby driving the pull rod, and the pull rod drives the movable rod, so that the slider can quickly enter the hollow block, and the hollow block can be pulled out of the rectangular hole to complete the disassembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a structural schematic diagram of the utility model;

[0030] Figure 2 It is another perspective structural schematic diagram of the utility model;

[0031] Figure 3 This is a schematic diagram of the internal structure of the urea tube of the utility model;

[0032] Figure 4 It is a top view of the utility model;

[0033] Figure 5 This utility model Figure 4 A partial enlarged view of the middle A;

[0034] Figure 6 It is a schematic diagram of the structure of the connection assembly of the utility model;

[0035] The markings in the figure are: 1-urea pipe, 2-first connector, 3-second connector, 4-peak, 5-pipeline body, 6-insulation layer, 7-pressure-resistant rubber, 8-first shell, 9-second shell, 10-support rod, 11-support net, 12-rectangular hole, 13-hollow block, 14-slider, 15-slope, 16-pull rod, 17-pull plate, 18-movable rod, 19-spring rod, 20-through hole, 21-bolt. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application belong to the scope of protection of this application.

[0037] Embodiment 1:

[0038] This embodiment provides a high-strength urea tube, comprising:

[0039] A urea pipe 1, with a first connector 2 and a second connector 3 fixedly mounted at both ends of the urea pipe 1, and four through holes 20 equidistantly distributed and circumferentially arranged on the sides of the first connector 2 and the second connector 3;

[0040] A connecting assembly, wherein the first connectors 2 on two adjacent urea pipes 1 are fixedly connected to the second connectors 3 via the connecting assembly;

[0041] Wave crests 4 : A plurality of wave crests 4 are fixedly arranged on the outer surface of the urea tube 1 .

[0042] It can be seen from the present embodiment that the first connector 2 and the second connector 3 are welded at both ends of the urea pipe 1, and four through holes 20 are opened on the sides of the first connector 2 and the second connector 3, which are evenly distributed and circumferentially arranged. The through holes 20 are used to install bolts 21 and nuts, and the first connector 2 and the second connector 3 on two adjacent urea pipes 1 can be preliminarily connected. The connecting assembly arranged between the adjacent first connector 2 and the second connector 3 can strengthen the connection strength between the two urea pipes 1 and prevent the bolts 21 from loosening after long-term use. A plurality of wave peaks 4 are fixedly arranged on the outer surface of the urea pipe 1, which improves the compressive performance of the urea pipe 1 and achieves a high-strength effect.

[0043] Embodiment 2:

[0044] This embodiment provides a high-strength urea pipe, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0045] The urea pipe 1 includes:

[0046] Pipeline body 5;

[0047] Insulation layer 6: the inner wall of the pipeline body 5 is provided with an insulation layer 6;

[0048] Compression-resistant rubber 7 : The outer side wall of the pipe body 5 is provided with a compression-resistant rubber 7 .

[0049] It can be seen from the present embodiment that the inner wall of the pipe body 5 is fitted with an insulation layer 6, which improves the insulation effect of the pipe, and the outer wall of the pipe body 5 is provided with a compression-resistant rubber 7, which is chloroprene rubber, which has good elasticity and has excellent effects in tensile strength, wear resistance, heat resistance, etc., thereby further improving the overall high-strength compression resistance effect.

[0050] Embodiment 3:

[0051] This embodiment provides a high-strength urea pipe, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0052] The crest 4 includes a first shell 8 , and a second shell 9 is fixedly arranged between the plurality of first shells 8 , and the first shells 8 and the second shells 9 are arranged alternately.

[0053] It can be seen from the present embodiment that the plurality of first shells 8 and the plurality of second shells 9 are arranged alternately to form a multi-layer structure, thereby further improving the strength of the urea pipe 1 .

[0054] Embodiment 4:

[0055] This embodiment provides a high-strength urea pipe, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0056] Support rods 10 are fixedly disposed inside the plurality of first shells 8 , and support nets 11 are fixedly disposed inside the plurality of second shells 9 .

[0057] It can be seen from this embodiment that the support rod 10 and the support net 11 disperse the pressure when subjected to external force, thereby improving the pressure resistance of the urea pipe 1 .

[0058] Embodiment 5:

[0059] This embodiment provides a high-strength urea pipe, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0060] The connection components include:

[0061] Rectangular holes 12, two symmetrically arranged rectangular holes 12 are provided on the side surfaces of the first connector 2 and the second connector 3;

[0062] Hollow blocks 13, hollow blocks 13 are fixedly installed inside the two rectangular holes 12 on the first connector 2;

[0063] Slide blocks 14, two symmetrically arranged slide blocks 14 are slidably mounted inside each hollow block 13, and two ends of the two slide blocks 14 that are away from each other pass through opposite side surfaces of the hollow block 13 respectively;

[0064] Slope 15, both ends of the two sliders 14 away from each other are provided with slope 15;

[0065] Moving assembly: each hollow block 13 is provided with a moving assembly for moving two sliding blocks 14 .

[0066] It can be seen from the present embodiment that two symmetrically arranged rectangular holes 12 are provided on the side surfaces of the first connector 2 and the second connector 3, and hollow blocks 13 are fixedly installed inside the two rectangular holes 12 on the first connector 2, and two symmetrically arranged sliders 14 are slidably installed inside each hollow block 13, and the two ends of the two sliders 14 that are away from each other pass through the opposite sides of the hollow block 13 respectively, and the two ends of the two sliders 14 that are away from each other are provided with slopes 15. The slopes 15 are provided so that the rectangular holes 12 can better squeeze the sliders 14 into the hollow blocks 13, and each hollow block 13 is provided with a moving component for moving the two sliders 14, and the hollow block 13 can be disassembled in the rectangular hole 12 through the moving component.

[0067] Embodiment 6:

[0068] This embodiment provides a high-strength urea pipe, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0069] The mobile components include:

[0070] A pull rod 16, the pull rod 16 slides at the center of the hollow block 13, and the pull rod 16 is horizontally arranged, and the top end of the pull rod 16 passes through one end of the hollow block 13;

[0071] A pull plate 17 is abutted against one side of the outer portion of the hollow block 13, and a pull rod 16 passes through the top end of the hollow block 13 and is fixedly installed at the center of one side of the pull plate 17;

[0072] The movable rods 18 are rotatably mounted on both opposite ends of the corresponding two sliders 14 , and the top ends of the two movable rods 18 are rotatably mounted on both sides of the ends of the pull rods 16 .

[0073] It can be seen from this embodiment that, through the setting of the moving assembly, the pull plate 17 is pulled during disassembly, thereby driving the pull rod 16, and the pull rod 16 drives the movable rod 18, so that the slider 14 can quickly enter the interior of the hollow block 13, and the hollow block 13 can be pulled out of the rectangular hole 12 to complete the disassembly.

[0074] Embodiment 7:

[0075] This embodiment provides a high-strength urea pipe, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0076] Two spring rods 19 are symmetrically fixedly installed on opposite sides inside the hollow block 13, and the two spring rods 19 are both horizontally arranged. Fixed plates are fixedly installed on opposite ends of the two spring rods 19, and the two fixed plates are respectively fixedly installed on the sides of the two corresponding sliders 14.

[0077] It can be seen from the present embodiment that during installation, the hollow block 13 is inserted into the corresponding rectangular hole 12, and the slope 15 on the slider 14 will move into the hollow block 13 when in contact with the rectangular hole 12. The movement of the slider 14 will cause the spring rod 19 to deform and generate tension, until the two sliders 14 pass over the corresponding rectangular holes 12. The tension generated by the spring rod 19 will cause the two sliders 14 to move out of the hollow block 13, thereby limiting the connection between the first connector 2 and the second connector 3. Then, the bolt 21 is installed in the corresponding through hole 20, and the two adjacent urea pipes are connected in two ways, so that the connection strength between the two urea pipes is high.

[0078] Embodiment 8:

[0079] This embodiment provides a high-strength urea pipe, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0080] Each through hole 20 on the first connecting head 2 is provided with a bolt 21 for connecting to the second connecting head 3 , and a nut is threadedly connected to the surface of each bolt 21 .

[0081] It can be seen from the present embodiment that each through hole 20 on the first connecting head 2 is provided with a bolt 21 for connecting the second connecting head 3, and a nut is threadedly connected to the surface of each bolt 21. The bolt 21 and the nut cooperate and are inserted into the through holes 20 on the first connecting head 2 and the second connecting head 3, so that the two urea tubes 1 can be fixedly connected.

[0082] The embodiments of the present application are described above in conjunction with the accompanying drawings. In the absence of conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.

Claims

1. A high-strength urea pipe, characterized in that: include: A urea tube (1), wherein a first connector (2) and a second connector (3) are respectively fixedly mounted at both ends of the urea tube (1), and four through holes (20) are provided on the sides of the first connector (2) and the second connector (3) and are equidistantly distributed and circumferentially arranged; A connecting assembly, wherein the first connecting heads (2) on two adjacent urea pipes (1) are fixedly connected to the second connecting head (3) via the connecting assembly; Wave peaks (4), a plurality of wave peaks (4) are fixedly arranged on the outer surface of the urea tube (1).

2. A high-strength urea tube according to claim 1, characterized in that: The urea pipe (1) comprises: Pipeline body (5); A heat-insulating layer (6), wherein the inner wall of the pipeline body (5) is provided with a heat-insulating layer (6); Compression-resistant rubber (7), the outer side wall of the pipeline body (5) is provided with compression-resistant rubber (7).

3. A high-strength urea pipe according to claim 2, characterized in that: The wave crest (4) comprises a first outer shell (8), a second outer shell (9) is fixedly arranged between a plurality of first outer shells (8), and the first outer shells (8) and the second outer shells (9) are arranged in an alternating manner.

4. A high-strength urea pipe according to claim 3, characterized in that: Support rods (10) are fixedly arranged inside the plurality of first shells (8), and support nets (11) are fixedly arranged inside the plurality of second shells (9).

5. A high-strength urea pipe according to claim 4, characterized in that: The connection component comprises: Rectangular holes (12), two symmetrically arranged rectangular holes (12) are provided on the sides of the first connector (2) and the second connector (3); A hollow block (13), wherein the two rectangular holes (12) on the first connector (2) are both fixedly mounted with a hollow block (13); Slide blocks (14), each of the hollow blocks (13) has two symmetrically arranged slide blocks (14) slidably mounted inside, and two ends of the two slide blocks (14) that are away from each other pass through opposite side surfaces of the hollow block (13); A slope (15), wherein both ends of the two sliders (14) that are separated from each other are provided with a slope (15); A moving component, wherein each of the hollow blocks (13) is provided with a moving component for moving two sliding blocks (14).

6. A high-strength urea pipe according to claim 5, characterized in that: The mobile assembly comprises: A pull rod (16), wherein the pull rod (16) slides at the center of the hollow block (13), and the pull rod (16) is arranged horizontally, and the top end of the pull rod (16) passes through one end of the hollow block (13); A pull plate (17), wherein one side of the outer portion of the hollow block (13) is in contact with the pull plate (17), and a pull rod (16) passes through the top end of the hollow block (13) and is fixedly installed at the center of one side of the pull plate (17); The movable rods (18) are rotatably mounted at both opposite ends of the corresponding two sliding blocks (14), and the top ends of the two movable rods (18) are rotatably mounted on both sides of the ends of the pull rods (16).

7. A high-strength urea pipe according to claim 6, characterized in that: Two spring rods (19) are symmetrically fixedly installed on opposite sides inside the hollow block (13), and the two spring rods (19) are both arranged horizontally. Fixed plates are fixedly installed on opposite ends of the two spring rods (19), and the two fixed plates are respectively fixedly installed on the sides of two corresponding sliders (14).

8. The high-strength urea pipe according to claim 7, characterized in that: Each through hole (20) on the first connecting head (2) is provided with a bolt (21) for connecting to the second connecting head (3), and a nut is threadedly connected to the surface of each bolt (21).

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