CN216081954U - Variable volume sealing detection cover for dry sealing test of motor vehicle oil filter - Google Patents
Variable volume sealing detection cover for dry sealing test of motor vehicle oil filter Download PDFInfo
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- CN216081954U CN216081954U CN202121682608.9U CN202121682608U CN216081954U CN 216081954 U CN216081954 U CN 216081954U CN 202121682608 U CN202121682608 U CN 202121682608U CN 216081954 U CN216081954 U CN 216081954U
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Abstract
The utility model relates to the technical field of detection of an oil filter, in particular to a variable volume sealing detection cover for a dry type sealing test of the oil filter of a motor vehicle, which comprises an upper sealing cover and a lower sealing end, wherein the upper sealing cover is in sealing connection with the lower sealing end, the lower end of the upper sealing cover is in an open shape, a sealing piston is arranged in the upper sealing cover, the upper end of the sealing piston is rotatably connected with one end of a screw rod, the upper end of the screw rod penetrates through the top end of the upper sealing cover, the top end of the upper sealing cover is provided with a screw hole, the screw rod is connected with the upper sealing cover through threads, and the lower end of the side wall of the upper sealing cover is also provided with a vacuum air suction port and a detection port. And the structure is simple and reasonable, and the manufacturing cost is low.
Description
Technical Field
The utility model relates to the technical field of detection of engine oil filters, in particular to a variable volume sealing detection cover for a dry sealing test of an engine oil filter of a motor vehicle.
Background
The volume inside the sealing detection cover of the conventional motor vehicle oil filter dry-type tightness test is usually fixed, so that the difference of the volume of a cavity formed between the detection cover and the motor vehicle oil filter is very large when the motor vehicle oil filters with different sizes are detected, namely the smaller the volume of the cavity formed by the motor vehicle oil filter is, the higher the volume is, the lower the sensitivity of the detection method according to the pressure change in the cavity is, the detection precision is often reduced or defective products are misjudged, and irreparable huge loss is caused to enterprises.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art, and provides a variable volume sealing detection cover for a dry sealing test of an oil filter of a motor vehicle.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the variable volume sealing detection cover for the dry sealing test of the motor vehicle oil filter comprises an upper sealing cover and a lower sealing end, wherein the upper sealing cover is connected with the lower sealing end in a sealing manner, the lower end of the upper sealing cover is in an opening shape, a sealing piston is arranged inside the upper sealing cover, one end of a screw rod is connected to the upper end of the sealing piston in a rotating manner, the upper end of the screw rod penetrates through the top end of the upper sealing cover, a screw hole is formed in the top end of the upper sealing cover, the screw rod is connected with the upper sealing cover in a threaded manner, a vacuum pumping hole and a detection hole are further formed in the lower end of the side wall of the upper sealing cover, a sealing ring is mounted at the lower sealing end, and a detection cavity is formed between the upper end face of the sealing ring and the lower end face of the sealing piston.
Preferably, a piston sealing ring is arranged on the side wall of the sealing piston, and the outer wall of the piston sealing ring is matched with the inner wall of the upper sealing cover.
Preferably, the side wall of the sealing piston is provided with 1-4 piston sealing rings.
Preferably, the detection port is connected with the side wall of the upper sealing cover through threads, and a sealing ring is arranged between the detection port and the upper sealing cover.
Preferably, the top end of the screw is connected with a rotary rocking handle.
Preferably, the lowest end of the inner wall of the upper sealing cover is provided with threads, the lower sealing end is in a circular tube shape, the upper end of the lower sealing end is provided with external threads, and the upper sealing cover is connected with the lower sealing end through the threads.
The utility model has the beneficial effects that: the utility model can conveniently adjust the volume of the detection cavity to be as minimum as possible so as to ensure the detection sensitivity and precision, avoid the error that defective products cannot be detected, greatly improve the quality and prolong the service life of the sealing cover, and has simple and reasonable structure and low manufacturing cost.
Drawings
FIG. 1 is a schematic structural diagram of a variable volume seal detection cover for a dry-type sealability test of an oil filter of a motor vehicle according to the present invention;
fig. 2 is a schematic structural diagram of a variable volume seal detection cover for a dry-type sealability test of an oil filter of a motor vehicle according to the present invention.
In the figure: 1 rotary rocking handle, 2 upper sealing covers, 3 sealing pistons, 4 vacuum extraction openings, 5 lower sealing ends, 6 screw rods, 7 piston sealing rings, 8 detection openings, 9 sealing rings and 10 detection cavities.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-2, the variable volume seal detection cover for the motor vehicle oil filter dry-type sealing test comprises an upper seal cover 2 and a lower seal end 5, wherein the upper seal cover 2 is connected with the lower seal end 5 in a sealing manner, the lower end of the upper seal cover 2 is in an open shape, a seal piston 3 is arranged inside the upper seal cover 2, one end of a screw rod 6 is connected to the upper end of the seal piston 3 in a rotating manner, the upper end of the screw rod 6 penetrates through the top end of the upper seal cover 2, a screw hole is formed in the top end of the upper seal cover 2, the screw rod 6 is connected with the upper seal cover 2 in a threaded manner, a vacuum air suction opening 4 and a detection opening 8 are further arranged at the lower end of the side wall of the upper seal cover 2, a seal ring 9 is arranged at the lower seal end 5, and a detection cavity 10 is formed between the upper end face of the seal ring 9 and the lower end face of the seal piston 3.
Further, a piston sealing ring 7 is arranged on the side wall of the sealing piston 3, and the outer wall of the piston sealing ring 7 is matched with the inner wall of the upper sealing cover 2.
Furthermore, 1-4 piston sealing rings 7 are arranged on the side wall of the sealing piston 3.
Further, the detection port 8 is connected with the side wall of the upper sealing cover 2 through threads, and a sealing ring is arranged between the detection port 8 and the upper sealing cover 2.
Further, the top end of the screw 6 is connected with a rotary rocking handle 1.
Further, the lowermost end of the inner wall of the upper sealing cover 2 is provided with threads, the lower sealing end 5 is in a circular tube shape, the upper end of the lower sealing end 5 is provided with external threads, and the upper sealing cover 2 is connected with the lower sealing end 5 through the threads.
In the embodiment, a screw 6, a rotary rocking handle 1 and a sealing piston 3 are arranged on an upper sealing cover 2, a piston sealing ring 7 is arranged on the sealing piston 3 to ensure the sealing performance of the inner walls of the sealing piston 3 and the upper sealing cover 2, the upper sealing cover 2 and a detection port 8 are screwed through threads, a sealing ring is arranged between the upper sealing cover 2 and the detection port 8 to ensure the sealing performance, the upper sealing cover 2 and the detection port 8 can be respectively made of different materials, for example, the upper sealing cover 2 can be made of aluminum alloy, and the detection port 8 is made of brass, so that the integral weight is reduced, the hardness and the wear resistance of the detection port 8 are ensured, the service life is prolonged, a sealing ring 9 is arranged at the lower part of a lower sealing end 5, the sealing ring 9 can ensure that the lower sealing end 5 and a detection platform are completely sealed, the rotary rocking handle 1 is rotated according to the difference of the size of the detected motor vehicle oil filter, the screw 6 drives the sealing piston 3 to move, and the volume 10 of the detection cavity can be adjusted to be as minimum as possible so as to ensure the detection sensitivity and precision and avoid the error that defective products cannot be detected.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. A variable volume sealing detection cover for a motor vehicle oil filter dry-type sealing test comprises an upper sealing cover (2) and a lower sealing end (5), wherein the upper sealing cover (2) is connected with the lower sealing end (5) in a sealing way, it is characterized in that the lower end of the upper sealing cover (2) is open, a sealing piston (3) is arranged in the upper sealing cover (2), the upper end of the sealing piston (3) is rotatably connected with one end of a screw rod (6), the upper end of the screw rod (6) penetrates through the top end of the upper sealing cover (2), the top end of the upper sealing cover (2) is provided with a screw hole, the screw rod (6) is connected with the upper sealing cover (2) through threads, the lower end of the side wall of the upper sealing cover (2) is also provided with a vacuum pumping hole (4) and a detection hole (8), and a sealing ring (9) is installed at the lower sealing end (5), and a detection cavity (10) is formed between the upper end surface of the sealing ring (9) and the lower end surface of the sealing piston (3).
2. The variable volume seal detection cover for the motor vehicle oil filter dry sealability test of claim 1, wherein the side wall of the sealing piston (3) is provided with a piston seal ring (7), and the outer wall of the piston seal ring (7) is matched with the inner wall of the upper seal cover (2).
3. The variable volume seal detection cap for the motor vehicle oil filter dry sealability test of claim 2, wherein the side wall of the sealing piston (3) is provided with 1-4 piston sealing rings (7).
4. The variable volume seal detection cover for the motor vehicle oil filter dry sealability test of claim 1, wherein the detection port (8) is connected with the side wall of the upper seal cover (2) through a thread, and a sealing ring is arranged between the detection port (8) and the upper seal cover (2).
5. The variable volume seal detection cage for the motor vehicle oil filter dry sealability test of claim 1 wherein the top end of the screw (6) is connected with a rotary rocking handle (1).
6. The variable volume seal detection cover for the motor vehicle oil filter dry tightness test of the claim 1, wherein the lowest end of the inner wall of the upper seal cover (2) is provided with threads, the lower seal end (5) is in a round tube shape, the upper end of the lower seal end (5) is provided with external threads, and the upper seal cover (2) and the lower seal end (5) are connected through the threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121682608.9U CN216081954U (en) | 2021-07-23 | 2021-07-23 | Variable volume sealing detection cover for dry sealing test of motor vehicle oil filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121682608.9U CN216081954U (en) | 2021-07-23 | 2021-07-23 | Variable volume sealing detection cover for dry sealing test of motor vehicle oil filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216081954U true CN216081954U (en) | 2022-03-18 |
Family
ID=80666141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121682608.9U Active CN216081954U (en) | 2021-07-23 | 2021-07-23 | Variable volume sealing detection cover for dry sealing test of motor vehicle oil filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216081954U (en) |
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2021
- 2021-07-23 CN CN202121682608.9U patent/CN216081954U/en active Active
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