Leakage detection device for automobile oil pump cover plate

Abstract

The utility model discloses a leakage detection device for an automobile oil pump cover plate, which relates to the technical field of sealing performance detection and comprises a mounting plate, a positioning seat is mounted in the middle of the mounting plate in a penetrating manner, a cover plate body is arranged in the positioning seat, and a sealing pressing plate is arranged above the positioning seat. According to the utility model, the mounting plate is arranged, the positioning seat used for positioning the oil pump cover plate is arranged above the mounting plate, and the sealing cover and the piston cylinder are arranged above the positioning seat, so that when the oil pump cover plate is detected, the sealing cover can be tightly pressed above the oil pump cover plate, and a sealing cavity is formed between the sealing cover and the oil pump cover plate; by adjusting the position of the movable plug in the piston cylinder, air in the sealing cover can be compressed, and by observing whether the compression condition of the air on the barometer is consistent with the movement distance of the movable plug, the leakage effect of the oil pump cover plate can be rapidly detected.

Description

Technical Field

[0001] The utility model relates to the technical field of sealing detection, in particular to a leakage detection device for an automobile oil pump cover. Background Art

[0002] The automobile oil pump is an important part of the engine lubrication system. It is mainly composed of the oil pump cover and the oil pump housing. The automobile oil pump cover is an irregular cover used to protect the automobile oil pump. However, in daily use, the sealing of the oil pump has very high requirements, which requires the automobile oil pump cover to have good sealing. Usually, the oil pump is sealed by a sealing rubber ring or paper gasket between the two. The role of the oil pump cover is only to ensure the sealing reliability of the oil pump. However, due to the use of sealing rubber rings or paper gaskets, there is a certain stability in use, which is prone to leakage, which will affect its overall stability in use to a certain extent, and its applicability and practicality are limited.

[0003] In order to ensure the sealing effect of the automobile oil pump cover when in use, a sealing detection device is used in the prior art to detect the leakage of the oil pump cover, such as a leakage detection device for automobile oil pump cover with publication number CN210051478U, which includes a frame, an operating table and an indicator table; the frame is a double-layer platform structure, and the frame includes a first platform and a second platform supported by columns, and the first platform is arranged on the top of the second platform; an operating table is arranged on the first platform, and an electric control box is arranged on the second platform, and the first platform and the second platform are welded on the columns; an indicator table is also arranged above the first platform. The frame, operating table, and indicator table of the utility model are arranged in an integrated manner, and the positions of the operating table and the indicator table are vertical, so that when operating the operating table, it is convenient to observe the indicator light of the indicator table, and the operation is convenient.

[0004] In actual application, the above technical solution uses multiple sensors to detect the sealing of the oil pump cover. Although the use of multiple sensors can realize precise detection of the oil pump cover, it is inefficient when performing batch detection on a large number of oil pump cover plates, and the detection results are not intuitive enough.

[0005] Therefore, it is necessary to invent a leakage detection device for an automobile oil pump cover to solve the above problems. Utility Model Content

[0006] The utility model aims to provide a leakage detection device for an automobile oil pump cover plate to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a leakage detection device for an automobile oil pump cover plate, comprising a mounting plate, a positioning seat is installed through the middle of the mounting plate, a cover plate body is arranged inside the positioning seat, a sealing pressure plate is arranged above the positioning seat, a sealing cover is fixedly arranged in the middle of the upper surface of the sealing pressure plate, a piston cylinder is fixedly arranged in the middle of the upper surface of the sealing cover, a movable plug is arranged inside the piston cylinder, a threaded groove is penetrated in the middle of the top end of the piston cylinder, an adjusting screw is penetrated in the inside of the threaded groove, and the bottom end of the adjusting screw is movably arranged in the middle of the upper surface of the movable plug through a bearing, a scale line is arranged on the outer wall of the piston cylinder, and a pressure gauge is penetrated on the upper surface of the sealing cover.

[0008] Preferably, a plurality of sliding sleeves are disposed around the top end of the outer wall of the sealing cover, a sliding rod is disposed through the interior of the sliding sleeve, and the sliding rod is fixedly disposed on the upper surface of the mounting plate.

[0009] Preferably, a return spring is arranged around the outer side of the slide rod, and the return spring is arranged between the slide sleeve and the mounting plate.

[0010] Preferably, a limiting plate is fixedly arranged between two adjacent sliding sleeves, and a limiting groove is arranged through the middle of the limiting plate.

[0011] Preferably, the limit groove is arranged as a semicircular structure, and a fixing stud is arranged through the inside of the limit groove, a limit ring is sleeved on the middle part of the fixing stud, a limit block is fixedly arranged on one side of the limit ring, and the bottom end of one side of the limit block is arranged as an inclined structure, a positioning nut is movably arranged on the middle part of the upper surface of the limit ring through a bearing, and the positioning nut is arranged in the middle part of the fixing stud through a thread.

[0012] Preferably, two handles are fixedly provided on the upper surface of the sealing cover.

[0013] Technical effects and advantages of the utility model:

[0014] 1. The utility model provides a mounting plate, a positioning seat for positioning the oil pump cover is provided above the mounting plate, a sealing cover and a piston cylinder are provided above the positioning seat, when the oil pump cover is inspected, the sealing cover can be pressed against the top of the oil pump cover, so that a sealed cavity is formed between the sealing cover and the oil pump cover, and the air inside the sealing cover can be compressed by adjusting the position of the movable plug inside the piston cylinder, and the leakage effect of the oil pump cover can be quickly detected by observing whether the air compression on the barometer is consistent with the moving distance of the movable plug. Compared with the detection using sensors and other components, the device has the advantages of being faster and more intuitive;

[0015] 2. The utility model provides a mounting plate, the upper surface of which is provided with a fixing stud, the middle part of which is provided with a rotatable limiting ring through a positioning nut, and a limiting block is provided on one side of the limiting ring. When the oil pump cover plate is inspected, the limiting block can position the sealing cover after being pressed down, so as to facilitate the subsequent inspection process, thereby effectively improving the efficiency of the device during batch inspection. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0017] Figure 2 It is a schematic cross-sectional view of the overall structure of the utility model.

[0018] Figure 3 For the utility model Figure 2 A schematic diagram of the enlarged structure in the middle.

[0019] In the figure: 1. Mounting plate; 2. Positioning seat; 3. Cover body; 4. Sealing pressure plate; 5. Sealing cover; 6. Piston cylinder; 7. Movable plug; 8. Threaded groove; 9. Adjusting screw; 10. Scale line; 11. Pressure gauge; 12. Sliding sleeve; 13. Sliding rod; 14. Reset spring; 15. Limiting plate; 16. Limiting groove; 17. Fixing stud; 18. Limiting ring; 19. Limiting block; 20. Positioning nut; 21. Handle. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] The utility model provides Figure 1-3 A leakage detection device for an automobile oil pump cover plate shown in the figure comprises a mounting plate 1, a positioning seat 2 is installed through the middle of the mounting plate 1, a cover plate body 3 is arranged inside the positioning seat 2, and a sealing pressure plate 4 is arranged above the positioning seat 2;

[0022] Specifically, a sealing cover 5 is fixedly provided in the middle of the upper surface of the sealing pressure plate 4, a piston cylinder 6 is fixedly provided in the middle of the upper surface of the sealing cover 5, a movable plug 7 is provided inside the piston cylinder 6, a thread groove 8 is penetrated in the middle of the top of the piston cylinder 6, an adjusting screw 9 is penetrated inside the thread groove 8, and the bottom end of the adjusting screw 9 is movably provided in the middle of the upper surface of the movable plug 7 through a bearing, a scale line 10 is provided on the outer wall of the piston cylinder 6, and a pressure gauge 11 is penetrated on the upper surface of the sealing cover 5, and the pressure gauge 11 is used to detect the air pressure inside the sealing cover 5, so as to achieve the purpose of detecting the leakage effect of the cover body 3;

[0023] More specifically, a plurality of sliding sleeves 12 are arranged around the top of the outer wall of the sealing cover 5, a sliding rod 13 is arranged inside the sliding sleeve 12, and the sliding rod 13 is fixedly arranged on the upper surface of the mounting plate 1, a reset spring 14 is arranged around the outer side of the sliding rod 13, and the reset spring 14 is arranged between the sliding sleeve 12 and the mounting plate 1, and the arrangement of the reset spring 14 facilitates the reset of the sealing cover 5 after the detection is completed;

[0024] Moreover, a limit plate 15 is fixedly arranged between two adjacent sliding sleeves 12, a limit groove 16 is penetrated in the middle of the limit plate 15, the limit groove 16 is arranged in a semicircular structure, and a fixing stud 17 is penetrated in the inside of the limit groove 16, a limit ring 18 is sleeved in the middle of the fixing stud 17, a limit block 19 is fixedly arranged on one side of the limit ring 18, and a bottom end of one side of the limit block 19 is arranged in an inclined structure, and the setting of the inclined structure facilitates the limit block 19 to rotate to the top of the limit plate 15;

[0025] Moreover, a positioning nut 20 is movably provided in the middle of the upper surface of the limiting ring 18 through a bearing, and the positioning nut 20 is threadedly provided in the middle of the fixing stud 17. The positioning nut 20 cooperates with the fixing stud 17 to adjust the height of the limiting ring 18, so that the device can adapt to the detection of cover bodies 3 of various specifications;

[0026] At the same time, two handles 21 are fixedly provided on the upper surface of the sealing cover 5. The provision of the handles 21 facilitates the user to press the sealing cover 5 to perform device inspection.

[0027] Working principle of this utility model:

[0028] When the device is used to detect leakage of the oil pump cover, the cover body 3 to be detected is placed inside the positioning seat 2, and then the sealing cover 5 is pressed downward by the handle 21, so that the sealing pressure plate 4 at the bottom of the sealing cover 5 is tightly fitted with the upper surface of the cover body 3. At this time, the limit ring 18 is rotated so that the limit ring 18 drives the limit block 19 to move until the limit block 19 is rotated to the top of the limit plate 15. At this time, the limit block 19 and the limit ring 18 fix the position of the sealing cover 5 through the limit plate 15. At this time, the sealing cover 5 and the inside of the cover body 3 form a sealed cavity, and detection can be performed at this time;

[0029] By rotating the adjusting screw 9, the adjusting screw 9 drives the movable plug 7 to move downward, and the movable plug 7 moves in the piston cylinder 6, so that the air in the piston cylinder 6 and the sealing cover 5 is compressed. The compression amount of the air can be determined by observing the change of the pointer of the barometer 11, and the movement amount of the movable plug 7 can be determined by the scale line 10. If the movement amount of the movable plug 7 is consistent with the change range of the pointer of the barometer 11, it means that the cover body 3 and the sealing pressure plate 4 are in a sealing effect, that is, the cover body 3 will not leak, otherwise the sealing cover plate 3 will leak, and the leakage detection of the sealing cover plate 3 can be completed.

[0030] Finally, it should be noted that the above is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A leakage detection device for an automobile oil pump cover plate, comprising a mounting plate (1), characterized in that: A positioning seat (2) is installed through the middle of the mounting plate (1), a cover plate body (3) is arranged inside the positioning seat (2), a sealing pressure plate (4) is arranged above the positioning seat (2), a sealing cover (5) is fixedly arranged in the middle of the upper surface of the sealing pressure plate (4), a piston cylinder (6) is fixedly arranged in the middle of the upper surface of the sealing cover (5), a movable plug (7) is arranged inside the piston cylinder (6), a thread groove (8) is penetrated through the middle of the top end of the piston cylinder (6), an adjusting screw (9) is penetrated inside the thread groove (8), and the bottom end of the adjusting screw (9) is movably arranged in the middle of the upper surface of the movable plug (7) through a bearing, a scale line (10) is arranged on the outer wall of the piston cylinder (6), and a pressure gauge (11) is penetrated through the upper surface of the sealing cover (5).

2. A leakage detection device for an automobile oil pump cover according to claim 1, characterized in that: A plurality of sliding sleeves (12) are arranged around the top end of the outer wall of the sealing cover (5), a sliding rod (13) is arranged penetrating the interior of the sliding sleeve (12), and the sliding rod (13) is fixedly arranged on the upper surface of the mounting plate (1).

3. A leakage detection device for an automobile oil pump cover according to claim 2, characterized in that: A return spring (14) is arranged around the outer side of the slide rod (13), and the return spring (14) is arranged between the slide sleeve (12) and the mounting plate (1).

4. A leakage detection device for an automobile oil pump cover plate according to claim 3, characterized in that: A limiting plate (15) is fixedly arranged between two adjacent sliding sleeves (12), and a limiting groove (16) is arranged through the middle of the limiting plate (15).

5. A leakage detection device for an automobile oil pump cover according to claim 4, characterized in that: The limiting groove (16) is arranged in a semicircular structure, and a fixing stud (17) is arranged inside the limiting groove (16), a limiting ring (18) is sleeved in the middle of the fixing stud (17), a limiting block (19) is fixedly arranged on one side of the limiting ring (18), and a bottom end of one side of the limiting block (19) is arranged in an inclined structure, a positioning nut (20) is movably arranged in the middle of the upper surface of the limiting ring (18) through a bearing, and the positioning nut (20) is arranged in the middle of the fixing stud (17) through a thread.

6. A leakage detection device for an automobile oil pump cover according to claim 5, characterized in that: Two handles (21) are fixedly provided on the upper surface of the sealing cover (5).

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