Oil rail sealing performance detection device

Abstract

The utility model discloses an oil rail sealing performance detection device, which comprises a storage box, an air supply pressurization assembly, a moving assembly, an oil rail body, a water pumping assembly, a fixing assembly and a sealing assembly, and is characterized in that the air supply pressurization assembly is arranged on the left side of the storage box, and the water pumping assembly is arranged on the right side of the storage box; the sealing assemblies are evenly arranged at the bottom of an inner cavity of the storage box, the oil rail body is arranged at the tops of the sealing assemblies, the fixing assembly is arranged at the top of the oil rail body, the moving assembly is arranged at the top of the fixing assembly, and the moving assembly comprises a mounting frame, a first air cylinder, a limiting sleeve frame and a positioning sliding rod. The oil rail sealing performance detection device provided by the utility model has the advantages of convenience in operation and high detection efficiency, and solves the problems that when a sealing performance detection device in the prior art is used, the sealing performance detection device is not independently developed for the oil rail, so that the sealing performance detection device is troublesome to operate when being used, and whether the sealing performance detection device leaks air or not cannot be visually seen.

Description

Technical Field

[0001] The utility model relates to the technical field of fuel rail sealing detection, and particularly relates to a fuel rail sealing detection device. Background Technique

[0002] The fuel rail, namely the high-pressure accumulator and the fuel rail, is an oil pipeline in front of the fuel injector that supplies oil to the cylinders of an internal combustion engine. It includes a fuel inlet and a seat sleeve connected to multiple fuel injectors. Some fuel rails have a fuel pressure regulator at one end.

[0003] After the fuel rail is produced, it needs to be sampled and inspected. During the sampling inspection, its sealing performance will be detected, that is, what people often call airtightness. However, when the existing sealing detection device is used, it is not developed specifically for the fuel rail, resulting in troublesome operation during use, and at the same time, it is not possible to intuitively see whether it leaks air. Therefore, there is an urgent need for a fuel rail sealing detection device to overcome the above defects. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a fuel rail sealing detection device, which has the advantages of convenient operation and high detection efficiency, so as to solve the problems proposed in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A fuel rail sealing detection device includes a storage box, a gas supply and pressurization component, a moving component, a fuel rail body, a water pumping component, a fixing component and a sealing component. The gas supply and pressurization component is arranged on the left side of the storage box, the water pumping component is arranged on the right side of the storage box, the sealing component is evenly arranged at the bottom of the inner cavity of the storage box, the fuel rail body is arranged on the top of the sealing component, the fixing component is arranged on the top of the fuel rail body, the moving component is arranged on the top of the fixing component. The moving component includes a mounting frame, a first cylinder, a limiting sleeve frame and a positioning slide bar. The gas supply and pressurization component includes a mounting table, a gas supply pump and a guide pipe. The water pumping component includes a positioning plate, a water pump and a water pipe. The sealing component includes a positioning seat and a sealing ring. The fixing component includes a positioning block, a chute, a second cylinder, a fixing slider and a sealing seat. The sealing ring is fixedly installed in the inner cavity of the positioning seat. The gas supply pump is fixedly installed on the top of the mounting table. The guide pipe is communicated with the top of the gas supply pump. The water pump is fixedly installed on the top of the positioning plate. The chutes are respectively arranged on both sides inside the positioning block. The fixing slider slides in the inner cavity of the chute. A second cylinder is fixedly installed on one side of the inner cavity of the chute relatively close to the fixing slider. The sealing seats are fixedly installed at the bottom of the relatively close sides of the fixing sliders.

[0006] Furthermore, the bottom of the positioning seat is fixedly connected to the bottom of the inner cavity of the storage box, and the right side of the mounting table is fixedly connected to the left side of the storage box.

[0007] Further, the left side of the positioning plate is fixedly connected to the right side of the storage box, and the right side of the air duct penetrates to the right side of the left fixing slider and is communicated with the left side of the left sealing seat.

[0008] Further, the limiting sleeve frames are fixedly installed on the left and right sides of the mounting frame, and the positioning sliding rods slide in the inner cavities of the limiting sleeve frames.

[0009] Further, the bottom of the positioning sliding rod is fixedly connected to the top of the positioning block, and the bottom of the mounting frame is fixedly connected to the top of the storage box.

[0010] Further, the first cylinder is fixedly installed at the top of the inner cavity of the mounting frame, and the bottom of the first cylinder is fixedly connected to the top of the positioning block.

[0011] Further, a water guide joint is connected to the back of the storage box, and the water pipe is communicated with the top of the water pump.

[0012] In summary, due to the adoption of the above technology, the beneficial effects of the present utility model are as follows:

[0013] The present utility model stores water through the setting of the storage box, indirectly installs and fixes some components, mainly sends air and pressurizes the inside of the oil rail body through the setting of the air supply and pressurization component, so as to detect the air tightness of the oil rail body, moves the position of the fixing component through the setting of the moving component, seals the two sides of the oil rail body through the setting of the fixing component, injects water into the inner cavity of the storage box through the setting of the water pumping component, and seals the bottom of the oil rail body through the setting of the sealing component. When in use, first turn on the water pump, and under the action of the water pump, water is introduced into the inner cavity of the storage box through the water pipe. Then place the oil rail body at the bottom of the positioning block, open the sliding groove, drive the fixing slider and the sealing seat to move inwards through the sliding groove, so as to seal the two sides of the oil rail body. Then open the first cylinder, drive the positioning block to move downwards through the first cylinder. When moving to a certain position, the bottom of the oil rail body is inserted into the inner cavity of the positioning seat and is blocked by the sealing ring. After blocking, turn on the air supply pump, continuously introduce gas into the inner cavity of the oil rail body through the air supply pump. When the pressure reaches a certain value, observe whether the water in the inner cavity of the storage box bubbles, so as to detect the air tightness of the oil rail body. It has the advantages of convenient operation and high detection efficiency, and solves the problems that when the existing air tightness detection device is in use, it is not developed specifically for the oil rail, resulting in troublesome operation during use and unable to directly see whether it leaks air. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic structural diagram of the present utility model;

[0015] Figure 2This is a schematic structural diagram of another perspective of the present utility model;

[0016] Figure 3 This is a schematic structural diagram of a side cross-section of the present utility model;

[0017] Figure 4 This is the present utility model Figure 1 Local enlarged view of part A in it.

[0018] In the figure: 1. Storage box; 2. Air supply and pressurization assembly; 21. Installation platform; 22. Air supply pump; 23. Air duct; 3. Moving assembly; 31. Installation frame; 32. First cylinder; 33. Limit sleeve frame; 34. Positioning slide bar; 4. Oil rail body; 5. Water pumping assembly; 51. Positioning plate; 52. Water pump; 53. Water pipe; 6. Fixing assembly; 61. Positioning block; 62. Chute; 63. Second cylinder; 64. Fixed slider; 65. Sealing seat; 7. Sealing assembly; 71. Positioning seat; 72. Sealing ring. Specific embodiments

[0019] To make the purpose, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model. Therefore, the following detailed description of the embodiments of the present utility model provided in the drawings is not intended to limit the scope of the present utility model claimed, but merely represents the selected embodiments of the present utility model. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.

[0020] The present utility model provides as Figures 1-4As shown in the figure, an oil rail sealing detection device includes a storage tank 1, an air supply and pressurization assembly 2, a moving assembly 3, an oil rail body 4, a water pumping assembly 5, a fixing assembly 6, and a sealing assembly 7. The air supply and pressurization assembly 2 is arranged on the left side of the storage tank 1, the water pumping assembly 5 is arranged on the right side of the storage tank 1, the sealing assembly 7 is evenly arranged at the bottom of the inner cavity of the storage tank 1, the oil rail body 4 is arranged on the top of the sealing assembly 7, the fixing assembly 6 is arranged on the top of the oil rail body 4, and the moving assembly 3 is arranged on the top of the fixing assembly 6. The moving assembly 3 includes a mounting frame 31, a first cylinder 32, a limit sleeve 33, and a positioning slide bar 34. The air supply and pressurization assembly 2 includes a mounting table 21, an air supply pump 22, and an air duct 23. The water pumping assembly 5 includes a positioning plate 51, a water pump 52, and a water pipe 53. The sealing assembly 7 includes a positioning seat 71 and a sealing ring 72. The fixing assembly 6 includes a positioning block 61, a chute 62, a second cylinder 63, a fixing slider 64, and a sealing seat 65. The sealing ring 72 is fixedly installed in the inner cavity of the positioning seat 71. The air supply pump 22 is fixedly installed on the top of the mounting table 21. The air duct 23 is connected to the top of the air supply pump 22. The water pump 52 is fixedly installed on the top of the positioning plate 51. The chutes 62 are respectively opened on both sides inside the positioning block 61. The fixing slider 64 slides in the inner cavity of the chute 62. A second cylinder 63 is fixedly installed on one side of the inner cavity of the chute 62 where the fixing sliders 64 are relatively close to each other. The sealing seats 65 are fixedly installed at the bottom of the relatively close sides of the fixing sliders 64.

[0021] More specifically, by setting the sealing assembly 7 to seal the bottom of the oil rail body 4, when in use, first turn on the water pump 52. Under the action of the water pump 52, water is introduced into the inner cavity of the storage tank 1 through the water pipe 53. Then, place the oil rail body 4 at the bottom of the positioning block 61. Open the chute 62, and drive the fixing slider 64 and the sealing seat 65 to move inward through the chute 62, so as to seal both sides of the oil rail body 4. Then turn on the first cylinder 32, and drive the positioning block 61 to move downward through the first cylinder 32. When it moves to a certain position, the bottom of the oil rail body 4 is inserted into the inner cavity of the positioning seat 71, and is blocked by the sealing ring 72. After blocking, turn on the air supply pump 22, and continuously introduce gas into the inner cavity of the oil rail body 4 through the air supply pump 22. When the pressure reaches a certain value, observe whether the water in the inner cavity of the storage tank 1 bubbles, so as to detect the sealing performance of the oil rail body 4, which has the advantages of convenient operation and high detection efficiency.

[0022] In some embodiments, the bottom of the positioning seat 71 is fixedly connected to the bottom of the inner cavity of the storage box 1, and the right side of the mounting table 21 is fixedly connected to the left side of the storage box 1. More specifically, by providing the sealing ring 72, the gap generated between the positioning seat 71 and the oil rail body 4 is sealed, and by providing the mounting table 21, the air supply pump 22 is mounted.

[0023] In some embodiments, the left side of the positioning plate 51 is fixedly connected to the right side of the storage box 1, and the right side of the air duct 23 penetrates to the right side of the left fixing slider 64 and is communicated with the left side of the left sealing seat 65. More specifically, by providing the positioning plate 51, the water pump 52 is mounted, and by providing the air duct 23, it is convenient to introduce gas into the inner cavity of the left sealing seat 65.

[0024] In some embodiments, the limiting sleeve frames 33 are fixedly installed on the left and right sides of the mounting frame 31, and the positioning slide rod 34 slides in the inner cavity of the limiting sleeve frame 33. More specifically, by providing the limiting sleeve frames 33, the positioning slide rod 34 is limited to prevent the positioning slide rod 34 from shaking during the movement.

[0025] In some embodiments, the bottom of the positioning slide rod 34 is fixedly connected to the top of the positioning block 61, and the bottom of the mounting frame 31 is fixedly connected to the top of the storage box 1. More specifically, by providing the positioning slide rod 34, the positioning block 61 is limited to prevent the positioning block 61 from shaking during the movement.

[0026] In some embodiments, the first cylinder 32 is fixedly installed at the top of the inner cavity of the mounting frame 31, and the bottom of the first cylinder 32 is fixedly connected to the top of the positioning block 61. More specifically, by providing the first cylinder 32, the position of the positioning block 61 is moved.

[0027] In some embodiments, a water guide joint is connected to the back of the storage box 1, and the water pipe 53 is communicated with the top of the water pump 52. More specifically, by providing the air supply pump 22, the generated gas is introduced into the inner cavity of the oil rail body 4, and by providing the water pump 52, it is convenient to inject water into the inner cavity of the storage box 1 through the water pump 52.

[0028] Working principle:

[0029] Step 1: When in use, first turn on the water pump 52. Under the action of the water pump 52, water is introduced into the inner cavity of the storage box 1 through the water pipe 53. Then, place the oil rail body 4 at the bottom of the positioning block 61, open the sliding groove 62, and drive the fixing slider 64 and the sealing seat 65 to move inward through the sliding groove 62, so as to seal both sides of the oil rail body 4. Then, turn on the first cylinder 32, and drive the positioning block 61 to move downward through the first cylinder 32;

[0030] Step 2: After moving to a certain position, the bottom of the fuel rail body 4 is inserted into the inner cavity of the positioning seat 71 and sealed by the sealing ring 72. After sealing, the air supply pump 22 is turned on, and gas is continuously introduced into the inner cavity of the fuel rail body 4 through the air supply pump 22. When the pressure reaches a certain value, observe whether the water in the inner cavity of the storage tank 1 bubbles, so as to detect the sealing performance of the fuel rail body 4, which has the advantages of convenient operation and high detection efficiency.

[0031] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and the inventive concept of the present invention, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

[0032] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variation thereof is intended to cover a non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device.

Claims

1. A fuel rail sealing detection device, characterized in that: The invention comprises a storage box (1), an air supply and pressurizing component (2), a moving component (3), an oil rail body (4), a water pumping component (5), a fixing component (6) and a sealing component (7), wherein the air supply and pressurizing component (2) is arranged on the left side of the storage box (1), the water pumping component (5) is arranged on the right side of the storage box (1), the sealing component (7) is evenly arranged at the bottom of the inner cavity of the storage box (1), the oil rail body (4) is arranged on the top of the sealing component (7), the fixing component (6) is arranged on the top of the oil rail body (4), the moving component (3) is arranged on the top of the fixing component (6), the moving component (3) comprises a mounting frame (31), a first cylinder (32), a limiting sleeve frame (33) and a positioning slide rod (34), the air supply and pressurizing component (2) comprises a mounting platform (21), an air supply pump (22) and an air guide pipe (23), and the water pumping component (5) comprises a positioning plate (51), a water pump (52) and a positioning plate (51). and a water pipe (53), the sealing assembly (7) comprises a positioning seat (71) and a sealing ring (72), the fixing assembly (6) comprises a positioning block (61), a slide groove (62), a second cylinder (63), a fixed slider (64) and a sealing seat (65), the sealing ring (72) is fixedly mounted in the inner cavity of the positioning seat (71), the air supply pump (22) is fixedly mounted on the top of the mounting platform (21), the air guide pipe (23) is connected to the top of the air supply pump (22), the water pump (52) is fixedly mounted on the top of the positioning plate (51), the slide grooves (62) are both opened on both sides of the positioning block (61), the fixed slider (64) slides in the inner cavity of the slide groove (62), the inner cavity of the slide groove (62) and located on a side relatively close to the fixed slider (64) is fixedly mounted with a second cylinder (63), and the sealing seat (65) is fixedly mounted on the bottom of a side relatively close to the fixed slider (64).

2. The fuel rail sealing detection device according to claim 1, characterized in that: The bottom of the positioning seat (71) is fixedly connected to the bottom of the inner cavity of the storage box (1), and the right side of the mounting platform (21) is fixedly connected to the left side of the storage box (1).

3. The fuel rail sealing detection device according to claim 1, characterized in that: The left side of the positioning plate (51) is fixedly connected to the right side of the storage box (1), and the right side of the air guide pipe (23) passes through the right side of the left fixed slider (64) and communicates with the left side of the left sealing seat (65).

4. The fuel rail sealing detection device according to claim 1, characterized in that: The limiting sleeves (33) are fixedly mounted on the left and right sides of the mounting frame (31), and the positioning slide bar (34) slides in the inner cavity of the limiting sleeve (33).

5. The fuel rail sealing detection device according to claim 1, characterized in that: The bottom of the positioning slide bar (34) is fixedly connected to the top of the positioning block (61), and the bottom of the mounting frame (31) is fixedly connected to the top of the storage box (1).

6. The fuel rail sealing detection device according to claim 1, characterized in that: The first cylinder (32) is fixedly mounted on the top of the inner cavity of the mounting frame (31), and the bottom of the first cylinder (32) is fixedly connected to the top of the positioning block (61).

7. The fuel rail sealing detection device according to claim 1, characterized in that: The back of the storage box (1) is connected to a water guide joint, and the water pipe (53) is connected to the top of the water pump (52).

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