CN215573643U - Special detection device for dry-type sealing performance test of motor vehicle oil filter - Google Patents
Special detection device for dry-type sealing performance test of motor vehicle oil filter Download PDFInfo
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- CN215573643U CN215573643U CN202121343624.5U CN202121343624U CN215573643U CN 215573643 U CN215573643 U CN 215573643U CN 202121343624 U CN202121343624 U CN 202121343624U CN 215573643 U CN215573643 U CN 215573643U
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Abstract
The utility model relates to the technical field of oil filters, in particular to a special detection device for a dry-type tightness test of an oil filter of a motor vehicle, which comprises a variable volume detection cover and a detection platform, wherein the lower end of the variable volume detection cover is in an open shape, the upper end of the variable volume detection cover is connected with a screw rod through threads, the upper end of the screw rod is fixedly connected with a rocking handle, the lower end of the screw rod is connected with a variable volume detection cover piston, a sealing ring is arranged between the variable volume detection cover piston and the variable volume detection cover, the lower end of the variable volume detection cover is in sealing connection with the upper end of the detection platform, the detection platform is a cylindrical barrel, and the lower end of the detection platform is in an open shape, the use cost of the user is greatly reduced, the structure is simple and reasonable, and the manufacturing cost is low.
Description
Technical Field
The utility model relates to the technical field of oil filters, in particular to a special detection device for a dry-type sealing test of an oil filter of a motor vehicle.
Background
The locking device used by the detection platform of the conventional dry type leak detector for the filter is based on the structural design of a pneumatic finger, the matched clamping seat has a complex structure and is inconvenient to process, install and maintain, the failure rate of the pneumatic finger is high, and the locking device is installed inside a detection mechanism and is more inconvenient to replace and maintain. Simultaneously, because locking device easily receives the influence of atmospheric pressure change through the tension lock of cylinder, cause the locking force not enough and produce the leakage, arouse the uncertainty that detects the structure, and there is soft rubber packing pad between surveyed filter and the testing platform, can slow deformation under the effect of pressure, can cause the space volume change between test sample and the detection cover like this, and then arouse the internal pressure change, cause the testing result precision to descend, and, the specification variety of filter is various, the size difference is very big, multiple detection cover of supporting design is again impossible, so the filter of equidimension detects on same equipment and can produce very big precision error.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art, and provides a special detection device for a dry-type sealing test of an oil filter of a motor vehicle.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a special detection device for a motor vehicle oil filter dry-type tightness test comprises a variable volume detection cover and a detection platform, wherein the lower end of the variable volume detection cover is in an open shape, the upper end of the variable volume detection cover is connected with a screw rod through threads, the upper end of the screw rod is fixedly connected with a rocking handle, the lower end of the screw rod is connected with a variable volume detection cover piston, a sealing ring is arranged between the variable volume detection cover piston and the variable volume detection cover, the lower end of the variable volume detection cover is in sealing connection with the upper end of the detection platform, the detection platform is a cylindrical barrel body, the lower end of the detection platform is in an open shape, an operation hole is arranged at the upper end of the detection platform, a locking device is arranged in the detection platform, the lower end of the locking device is fixedly connected with a locking device piston, and the locking device piston is matched with the inner wall of the detection platform, mounting panel on testing platform's the lower extreme fixedly connected with, it is connected with down the mounting panel to go up the mounting panel through the connecting rod of vertical form, the lower terminal surface fixed mounting who goes up the mounting panel has two guide arm cylinders, the upper end of two guide arm cylinders extends to testing platform's inside and is connected with the locking device piston, the lower extreme fixed mounting of mounting panel has revolving cylinder down, revolving cylinder's drive end extends to the top of mounting panel down and with injecing the displacement device fixed connection.
Preferably, the lower end of the side wall of the variable volume detection cover is provided with a vacuum negative pressure port and a detection port.
Preferably, the lower end of the locking device piston is provided with an inflation port and a micro propelling air bag control port.
Preferably, the upper end of the detection platform is also provided with an inflation pressure detection port.
Preferably, the upper end face of the volume limiting device is arranged in an inclined mode, one end of the upper end face of the volume limiting device is close to the upper end face of the lower mounting plate, a clamping groove is formed in the side wall of the volume limiting device, the volume limiting device is fixedly connected with the side wall of the flange through the clamping groove, the rotating cylinder limits the volume limiting device to rotate through the flange, and the inclined angle of the upper end face of the volume limiting device ranges from 5 degrees to 20 degrees.
Preferably, a micro pushing air bag and a return spring are arranged in the locking device, and the micro pushing air bag and the return spring interact with each other to realize the opening and closing action of the locking device.
The utility model has the beneficial effects that: through the mutual cooperation of special miniature propulsion gasbag and reset spring, realize controlling the switching of two special locking device, the unreliability of the tiny mechanical part of pneumatic finger avoided, the structure is simplified, easily manufacturing, the fault rate has been reduced, cost of maintenance and use cost have been reduced, simultaneously, realize the design of automatic locking through the locking device piston, can effectively avoid the locking force's that arouses because of atmospheric pressure changes change usually through the cylinder locking change, and used variable volume detection cover, can further improve and detect the precision, and, limited displacement device has been increased, make the nondeterminacy of testing result further eliminate, the usability of equipment has been improved greatly, stability, and accuracy nature, make user's use cost greatly reduced, and simple structure is reasonable, low in cost.
Drawings
FIG. 1 is a schematic main sectional structure diagram of a special detection device for a dry-type sealability test of an oil filter of a motor vehicle according to the present invention;
fig. 2 is a schematic perspective view of a special detection device for a dry-type sealability test of an oil filter of a motor vehicle according to the present invention.
In the figure: the device comprises a variable volume detection cover 1, a screw rod 2, a rocking handle 3, a variable volume detection cover piston 4, a locking device 5, a connecting rod 6, a volume limiting device 7, a rotary cylinder 8, a double-guide-rod cylinder 9, a locking device piston 10, a detection platform 11, a detected filter 12, a vacuum negative pressure port 13, a detection port 14, an inflation port 15, a miniature propulsion air bag control port 16 and an inflation pressure detection port 17.
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 special detection device for the dry-type tightness test of the motor vehicle oil filter comprises a variable volume detection cover 1 and a detection platform 11, wherein the lower end of the variable volume detection cover 1 is in an open shape, the upper end of the variable volume detection cover 1 is connected with a screw rod 2 through threads, the upper end of the screw rod 2 is fixedly connected with a rocking handle 3, the lower end of the screw rod 2 is connected with a variable volume detection cover piston 4, a sealing ring is arranged between the variable volume detection cover piston 4 and the variable volume detection cover 1, the lower end of the variable volume detection cover 1 is connected with the upper end of the detection platform 11 in a sealing manner, the detection platform 11 is a cylindrical barrel, the lower end of the detection platform 11 is in an open shape, the upper end of the detection platform 11 is provided with an operation hole, a locking device 5 is arranged in the detection platform 11, and the lower end of the locking device 5 is fixedly connected with a locking device piston 10, locking device piston 10 and testing platform 11's inner wall looks adaptation, mounting panel on testing platform 11's the lower extreme fixedly connected with, it is connected with down the mounting panel to go up the connecting rod 6 of mounting panel through vertical form, the lower terminal surface fixed mounting who goes up the mounting panel has two guide arm cylinders 9, the upper end of two guide arm cylinders 9 extends to testing platform 11's inside and is connected with locking device piston 10, the lower extreme fixed mounting of lower mounting panel has revolving cylinder 8, revolving cylinder 8's drive end extend to the top of lower mounting panel and with inject 7 fixed connection of displacement means.
Further, the lower end of the side wall of the variable volume detection cover 1 is provided with a vacuum negative pressure port 13 and a detection port 14.
Further, the lower end of the locking device piston 10 is provided with an inflation port 15 and a micro propelling air bag control port 16.
Further, the upper end of the detection platform 11 is also provided with an inflation pressure detection port 17.
Furthermore, the upper end face of the volume limiting device 7 is arranged in an inclined mode, one end of the upper end face of the volume limiting device 7 is close to the upper end face of the lower mounting plate, a clamping groove is formed in the side wall of the volume limiting device 7, the volume limiting device 7 is fixedly connected with the side wall of the flange through the clamping groove, the rotating cylinder 8 limits the volume limiting device 7 to rotate through the flange, and the inclined angle of the upper end face of the volume limiting device 7 is 5-20 degrees.
Furthermore, a micro pushing air bag and a return spring are arranged in the locking device 5, and the micro pushing air bag and the return spring interact to realize the opening and closing actions of the locking device 5.
In the embodiment, a variable volume detection cover piston 4 with a sealing ring is designed inside a variable volume detection cover 1, the variable volume detection cover piston is connected with an external rocking handle 3 through a screw rod 2, the detection space volume can be changed through the rocking handle 3 according to the volume of a filter 12 to be detected to be as small as possible, during detection, the variable volume detection cover 1 covers a detection platform 11, the detection space volume is sealed through a special sealing ring, a locking device 5 is arranged inside a cylinder of the detection platform 11, the structure of the locking device also comprises a locking device piston 10 with the sealing ring, the locking device 5 is connected with the locking device piston 10 through a mounting seat, the locking device 5 is connected with the lower part of the detection platform 11 through an upper mounting plate, a double-guide-rod cylinder 9 is arranged on the upper mounting plate, the double-guide-rod cylinder 9 can drive the locking device piston 10 to move up and down, a micro air bag and a reset spring are designed inside the locking device 5, the locking device 5 realizes the opening and closing actions of the special locking device 5 through the interaction of the two, the filter 12 to be detected is placed at the upper central part of the detection platform 11, the threaded hole of the filter is aligned with the operation hole of the detection platform 11, and the locking device 5 realizes the opening and closing actions of the upper part, the lower part, the left part and the right part through the pneumatic action to realize the hanging and the releasing of the filter 12 to be detected; the volume limiting device 7 is designed at the lower part of the locking device 5 and is connected with the upper mounting plate of the locking device 5 through the connecting rod 6, the volume limiting device 7 is driven to rotate through the rotary cylinder 8 on the lower mounting plate, and the volume limiting device can be cushioned below a positioning module arranged on the lower guide rod of the double-guide-rod cylinder 9 on the locking device 5, so that the effect of fixing the detection volume is achieved.
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 special detection device for motor vehicle oil filter dry-type leakproofness test, including variable volume detection cover (1) and detection platform (11), its characterized in that, the lower extreme of variable volume detection cover (1) is the opening form, and there is screw rod (2) upper end through threaded connection of variable volume detection cover (1), the upper end fixedly connected with rocking handle (3) of screw rod (2), the lower extreme of screw rod (2) is connected with variable volume detection cover piston (4), be provided with the sealing washer between variable volume detection cover piston (4) and variable volume detection cover (1), the lower extreme of variable volume detection cover (1) and the upper end sealing connection of detection platform (11), detection platform (11) are cylindrical barrel, and the lower extreme of detection platform (11) is the opening form, and the upper end of detection platform (11) is provided with the handle hole, the inside of detecting platform (11) is provided with locking device (5), lower extreme fixedly connected with locking device piston (10) of locking device (5), inner wall looks adaptation of locking device piston (10) and detecting platform (11), the lower extreme fixedly connected with of detecting platform (11) goes up the mounting panel, it is connected with down the mounting panel through connecting rod (6) of vertical form to go up the mounting panel, the lower terminal surface fixed mounting who goes up the mounting panel has two guide arm cylinders (9), the upper end of two guide arm cylinders (9) extends to the inside of detecting platform (11) and is connected with locking device piston (10), the lower extreme fixed mounting of mounting panel has revolving cylinder (8) down, the drive end of revolving cylinder (8) extends to the top of mounting panel down and with inject displacement device (7) fixed connection.
2. The special detection device for the dry tightness test of the motor vehicle oil filter according to claim 1, wherein the lower end of the side wall of the variable volume detection cover (1) is provided with a vacuum negative pressure port (13) and a detection port (14).
3. The special detection device for the dry tightness test of the motor vehicle oil filter according to claim 1, wherein the lower end of the locking device piston (10) is provided with an inflation port (15) and a micro propulsion air bag control port (16).
4. The special detection device for the dry tightness test of the motor vehicle oil filter according to claim 1, wherein the upper end of the detection platform (11) is further provided with an inflation pressure detection port (17).
5. The special detection device for the dry sealing test of the motor vehicle oil filter is characterized in that the upper end face of the volume limiting device (7) is arranged obliquely, one end of the upper end face of the volume limiting device (7) is close to the upper end face of the lower mounting plate, clamping grooves are formed in the side walls of the volume limiting device (7), the volume limiting device (7) is fixedly connected with the side walls of the flanges through the clamping grooves, the rotary cylinder (8) limits the rotation of the volume limiting device (7) through the flanges, and the inclination angle of the upper end face of the volume limiting device (7) is 5-20 degrees.
6. The special detection device for the motor vehicle oil filter dry tightness test of claim 1, wherein the locking device (5) is internally provided with a micro pushing air bag and a return spring, and the micro pushing air bag and the return spring interact to realize the opening and closing action of the locking device (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121343624.5U CN215573643U (en) | 2021-06-17 | 2021-06-17 | Special detection device for dry-type sealing performance test of motor vehicle oil filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121343624.5U CN215573643U (en) | 2021-06-17 | 2021-06-17 | Special detection device for dry-type sealing performance test of motor vehicle oil filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215573643U true CN215573643U (en) | 2022-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121343624.5U Active CN215573643U (en) | 2021-06-17 | 2021-06-17 | Special detection device for dry-type sealing performance test of motor vehicle oil filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215573643U (en) |
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2021
- 2021-06-17 CN CN202121343624.5U patent/CN215573643U/en active Active
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