High-wear-resistance upset mouth type differential pressure pipe

Abstract

The utility model belongs to the technical field of differential pressure pipes, and particularly relates to a high-abrasion-resistance upset opening type differential pressure pipe which comprises a differential pressure pipe body, an air inlet is formed in one end of the differential pressure pipe body, a fixing ring is fixedly connected to the outer end of the air inlet and facilitates installation and fixation, and a bent pipe is fixedly connected to the other end of the differential pressure pipe body. One end of the bent pipe is fixedly connected with an exhaust port so as to adapt to fluid flowing requirements in different directions, the lower end of the outer surface of the differential pressure pipe body is provided with the two wear-resistant sleeves which are sleeved in a matched mode through the connecting assembly, the wear-resistant sleeves are semi-arc blocks, the connecting assembly is easy and convenient to assemble and disassemble, and the wear-resistant sleeves improve the wear resistance of the differential pressure pipe body.

Description

Technical Field

[0001] The utility model belongs to the technical field of differential pressure pipes, and in particular relates to a highly wear-resistant upset type differential pressure pipe. Background Art

[0002] The differential pressure pipe is part of the pressure distribution system in the automobile exhaust system. It is a pipe used to improve the exhaust gas treatment pressure by reducing the total gas output through pressure distribution. However, in harsh working environments, such as high temperature, high pressure, corrosive media, etc., upset differential pressure pipes often face problems such as poor wear resistance and easy damage, resulting in a decrease in service life and affecting the overall safety of equipment operation. Utility Model Content

[0003] The purpose of the utility model is to provide a highly wear-resistant upset-type differential pressure tube in view of the above-mentioned technical problems, so as to solve the problems raised in the above-mentioned background technology.

[0004] In view of this, the utility model provides a highly wear-resistant upset type differential pressure tube, comprising a differential pressure tube body, an air inlet is opened at one end of the differential pressure tube body, a fixing ring is fixedly connected to the outer end of the air inlet, a bent tube is fixedly connected to the other end of the differential pressure tube body, and an exhaust port is fixedly connected to one end of the bent tube;

[0005] A wear-resistant component, which is arranged outside the pressure differential pipe body;

[0006] Among them, the wear-resistant components include:

[0007] Wear-resistant sleeves, two wear-resistant sleeves are matched with each other through connecting components and are sleeved on the lower end of the outer surface of the pressure difference pipe body.

[0008] In the above technical solution, further, the connection component includes:

[0009] A fixed block, which is arranged at the end of the wear-resistant sleeve, and a plurality of fixed blocks are provided;

[0010] An insert block is fixed on one side wall of the fixed block;

[0011] A groove is provided on the top of the plug;

[0012] A limit block, the inner side wall of the groove is slidably connected to the limit block, and one side wall of the limit block is arranged in an inclined surface;

[0013] A spring is fixed between the bottom end of the limit block and the bottom end of the groove;

[0014] Connecting block: a plurality of connecting blocks matching with the fixing block are fixed on the top of the wear-resistant sleeve;

[0015] A slot is provided on one side wall of the connecting block, and the plug-in block and the slot are plugged into each other;

[0016] A limiting groove is provided at the top of the slot, and the limiting block and the limiting groove are mutually engaged.

[0017] In the above technical solution, further, the pressure differential tube body includes:

[0018] Corrosion resistant layer;

[0019] A body layer is provided outside the corrosion-resistant layer;

[0020] A creep resistant layer is provided outside the main body layer;

[0021] A high temperature resistant layer is arranged outside the creep resistant layer.

[0022] In the above technical solution, further, the main body of the pressure difference tube is a cylinder.

[0023] In the above technical solution, further, the corrosion-resistant layer, the creep-resistant layer and the high-temperature-resistant layer are all thickly coated, and the corrosion-resistant layer, the creep-resistant layer and the high-temperature-resistant layer are coated with the same thickness.

[0024] In the above technical solution, further, both ends of the fixing ring are fixedly connected with mounting blocks.

[0025] In the above technical solution, further, the pressure difference tube body is made of a stainless steel tube.

[0026] The beneficial effects of the utility model are:

[0027] 1. Two wear-resistant sleeves are arranged at the lower end of the outer surface of the pressure differential pipe body, which are fitted together through a connecting assembly. The wear-resistant sleeves are semicircular arc blocks. The connecting assembly is easy to install and disassemble, and the wear-resistant sleeves improve the wear resistance of the pressure differential pipe body.

[0028] 2. Thickly coating the corrosion-resistant layer, creep-resistant layer and high-temperature-resistant layer can effectively enhance the protective effect of the differential pressure tube body without affecting gas circulation.

[0029] 3. The main body of the pressure differential tube is a stainless steel tube. The stainless steel tube has its particularity during use. It is corrosion-resistant, not easy to oxidize, not easy to deform and crack after molding, and has a long service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a structural schematic diagram of the utility model;

[0031] Figure 2 It is a schematic diagram of the structure of the wear-resistant component of the utility model;

[0032] Figure 3 It is a schematic diagram of the structure of the connection assembly of the utility model;

[0033] Figure 4This is a schematic diagram of the internal structure of the differential pressure tube body of the utility model;

[0034] The markings in the figure are as follows: 1-pressure differential tube body, 2-air inlet, 3-fixing ring, 4-bending tube, 5-exhaust port, 6-wear-resistant sleeve, 7-fixing block, 8-insertion block, 9-groove, 10-limiting block, 11-spring, 12-connecting block, 13-slot, 14-limiting groove, 15-corrosion-resistant layer, 16-body layer, 17-creep-resistant layer, 18-high temperature resistant layer, 19-mounting block. DETAILED DESCRIPTION

[0035] 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.

[0036] Embodiment 1:

[0037] This embodiment provides a highly wear-resistant upset-type pressure differential tube, comprising:

[0038] A pressure differential tube body 1, an air inlet 2 is provided at one end of the pressure differential tube body 1, a fixing ring 3 is fixedly connected to the outer end of the air inlet 2, a bending tube 4 is fixedly connected to the other end of the pressure differential tube body 1, and an exhaust port 5 is fixedly connected to one end of the bending tube 4;

[0039] A wear-resistant component, which is arranged outside the pressure differential tube body 1;

[0040] Among them, the wear-resistant components include:

[0041] The wear-resistant sleeves 6 are mutually matched and sleeved on the lower end of the outer surface of the pressure difference pipe body 1 through a connecting component.

[0042] It can be seen from the present embodiment that an air inlet 2 is provided at one end of the pressure differential tube main body 1, and a fixing ring 3 is fixedly connected to the outer end of the air inlet 2 for easy installation and fixation; a bending tube 4 is fixedly connected to the other end of the pressure differential tube main body 1, and an exhaust port 5 is fixedly connected to one end of the bending tube 4 to meet the flow requirements of fluid in different directions; two wear-resistant sleeves 6 are provided at the lower end of the outer surface of the pressure differential tube main body 1, which are fitted together through a connecting assembly; the wear-resistant sleeve 6 is a semicircular arc block, and the connecting assembly is easy to install and disassemble; the wear-resistant sleeve 6 improves the wear resistance of the pressure differential tube main body 1.

[0043] Embodiment 2:

[0044] This embodiment provides a highly wear-resistant upset-type differential pressure tube, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0045] The connection components include:

[0046] A fixing block 7, which is arranged at the end of the wear-resistant sleeve 6, and a plurality of fixing blocks 7 are provided;

[0047] Insert block 8, an insert block 8 is fixed to one side wall of the fixed block 7;

[0048] A groove 9 is provided on the top of the insert block 8;

[0049] The inner side wall of the groove 9 is slidably connected to the limit block 10, and one side wall of the limit block 10 is arranged in an inclined surface;

[0050] Spring 11, a spring 11 is fixed between the bottom end of the limit block 10 and the bottom end of the groove 9;

[0051] Connecting block 12: A plurality of connecting blocks 12 cooperating with the fixing block 7 are fixed to the top of the wear-resistant sleeve 6;

[0052] Slot 13: A slot 13 is provided on one side wall of the connecting block 12, and the plug-in block 8 and the slot 13 are plugged into each other;

[0053] A limiting groove 14 is provided at the top of the slot 13 , and the limiting block 10 and the limiting groove 14 are mutually engaged.

[0054] It can be seen from this embodiment that the two wear-resistant sleeves 6 are closed and fixed by the connecting assembly, so that they are tightly sleeved on the outer surface of the pressure differential tube body 1 for protection, thereby improving the wear resistance of the pressure differential tube body 1. The installation is relatively convenient and firm, and the subsequent disassembly is also relatively convenient.

[0055] Working principle: when the wear-resistant sleeve 6 needs to be installed, the plug block 8 is inserted into the slot 13 opened on one side of the connecting block 12. When the plug block 8 and the slot 13 are plugged into each other, the inclined surface of the limit block 10 is squeezed by the connecting block 12, and then automatically shrinks into the groove 9. When the plug block 8 is fully inserted into the slot 13, the limit block 10 is aligned with the limit groove 14. At this time, the limit block 10 is automatically popped out by the elastic force of the spring 11 and is engaged with the limit groove 14 to complete the closed fixation of the wear-resistant sleeve 6. When the wear-resistant sleeve 6 needs to be removed, the limit block 10 is pressed to disengage the limit block 10 from the limit groove 14. The plug block 8 can be pulled outward to disassemble the wear-resistant sleeve 6 for maintenance or replacement.

[0056] Embodiment 3:

[0057] This embodiment provides a highly wear-resistant upset-type differential pressure tube, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0058] The pressure differential tube body 1 comprises:

[0059] Corrosion resistant layer 15;

[0060] A main body layer 16 is provided outside the corrosion-resistant layer 15;

[0061] A creep resistant layer 17 is provided outside the main body layer 16;

[0062] High temperature resistant layer 18 : A high temperature resistant layer 18 is disposed outside the creep resistant layer 17 .

[0063] It can be seen from the present embodiment that a corrosion-resistant layer 15 is arranged inside the main body layer 16, which improves the corrosion resistance of the pressure differential tube body 1 and prolongs the service life of the pressure differential tube body 1; a creep-resistant layer 17 is arranged outside the main body layer 16, which can effectively resist deformation of the material under long-term constant load, protect the pipeline structure, and improve the stability of gas transmission; a high-temperature resistant layer 18 is arranged outside the creep-resistant layer 17, which improves the high-temperature tolerance of the pipeline and improves the safety performance.

[0064] Embodiment 4:

[0065] This embodiment provides a highly wear-resistant upset-type differential pressure tube, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0066] The differential pressure tube body 1 is a cylinder.

[0067] It can be seen from this embodiment that the pressure difference tube body 1 is a cylinder matched with the wear-resistant sleeve 6 .

[0068] Embodiment 5:

[0069] This embodiment provides a highly wear-resistant upset-type differential pressure tube, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0070] The corrosion-resistant layer 15, the creep-resistant layer 17 and the high-temperature-resistant layer 18 are all thickly coated, and the corrosion-resistant layer 15, the creep-resistant layer 17 and the high-temperature-resistant layer 18 are coated with the same thickness.

[0071] It can be seen from this embodiment that the corrosion-resistant layer 15, the creep-resistant layer 17 and the high-temperature resistant layer 18 are all thickly coated, and the corrosion-resistant layer 15, the creep-resistant layer 17 and the high-temperature resistant layer 18 are coated with the same thickness. Thickly coating the corrosion-resistant layer 15, the creep-resistant layer 17 and the high-temperature resistant layer 18 can effectively enhance the protective effect of the pressure differential tube body 1 without affecting the gas circulation.

[0072] Embodiment 6:

[0073] This embodiment provides a highly wear-resistant upset-type differential pressure tube, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0074] Mounting blocks 19 are fixedly connected to both ends of the fixing ring 3 .

[0075] It can be seen from this embodiment that a mounting block 19 is provided for fixing and mounting the fixing ring 3. The mounting block 19 may be provided with a fixing screw for fixing and mounting, or may be fixed and mounted by other mounting components.

[0076] Embodiment 7:

[0077] This embodiment provides a highly wear-resistant upset-type differential pressure tube, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0078] The pressure difference tube body 1 is made of a stainless steel tube.

[0079] It can be seen from this embodiment that the pressure difference tube body 1 is a stainless steel tube, which has its particularity during use, and has the advantages of being corrosion-resistant, not easy to oxidize, not easy to deform and crack after molding, and having a long service life.

[0080] 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 highly wear-resistant upset differential pressure tube, characterized in that: include: A pressure differential tube body (1), wherein an air inlet (2) is provided at one end of the pressure differential tube body (1), a fixing ring (3) is fixedly connected to the outer end of the air inlet (2), a bending tube (4) is fixedly connected to the other end of the pressure differential tube body (1), and an exhaust port (5) is fixedly connected to one end of the bending tube (4); A wear-resistant component, wherein the wear-resistant component is arranged outside the pressure differential tube body (1); Wherein, the wear-resistant component comprises: Wear-resistant sleeves (6), wherein two wear-resistant sleeves (6) are fitted together and sleeved on the lower end of the outer surface of the pressure differential pipe body (1) through a connecting assembly; The pressure differential tube body (1) comprises: Corrosion resistant layer (15); A body layer (16), wherein the body layer (16) is disposed outside the corrosion-resistant layer (15); A creep resistant layer (17), wherein the creep resistant layer (17) is arranged outside the main body layer (16); A high temperature resistant layer (18), wherein the high temperature resistant layer (18) is arranged outside the creep resistant layer (17).

2. A highly wear-resistant upset differential pressure tube according to claim 1, characterized in that: The connection component comprises: A fixing block (7), wherein the fixing block (7) is arranged at the end of the wear-resistant sleeve (6), and a plurality of fixing blocks (7) are provided; An insert block (8), wherein the insert block (8) is fixed to a side wall of one side of the fixing block (7); A groove (9), wherein the top of the insert block (8) is provided with a groove (9); A limit block (10), wherein the inner side wall of the groove (9) is slidably connected to the limit block (10), and one side wall of the limit block (10) is arranged in an inclined surface; A spring (11), wherein a spring (11) is fixed between the bottom end of the limit block (10) and the bottom end of the groove (9); A connecting block (12), wherein a plurality of connecting blocks (12) matching with the fixing block (7) are fixed on the top end of the wear-resistant sleeve (6); A slot (13), wherein a side wall of one side of the connecting block (12) is provided with a slot (13), and the inserting block (8) and the slot (13) are plugged into each other; A limiting groove (14), wherein the top of the slot (13) is provided with a limiting groove (14), and the limiting block (10) and the limiting groove (14) are mutually engaged.

3. The highly wear-resistant upset differential pressure tube according to claim 1, characterized in that: The pressure difference tube body (1) is a cylinder.

4. The highly wear-resistant upset differential pressure tube according to claim 1, characterized in that: The corrosion-resistant layer (15), creep-resistant layer (17) and high-temperature-resistant layer (18) are all thickly coated, and the corrosion-resistant layer (15), creep-resistant layer (17) and high-temperature-resistant layer (18) are coated with the same thickness.

5. The highly wear-resistant upset differential pressure tube according to claim 1, characterized in that: Both ends of the fixing ring (3) are fixedly connected with mounting blocks (19).

6. The highly wear-resistant upset differential pressure tube according to claim 1, characterized in that: The pressure difference tube body (1) is made of a stainless steel tube.

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