CN213874854U - Device for detecting static air tightness of rubber oil seal - Google Patents
Device for detecting static air tightness of rubber oil seal Download PDFInfo
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- CN213874854U CN213874854U CN202023333036.1U CN202023333036U CN213874854U CN 213874854 U CN213874854 U CN 213874854U CN 202023333036 U CN202023333036 U CN 202023333036U CN 213874854 U CN213874854 U CN 213874854U
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- air tightness
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- 230000003068 static effect Effects 0.000 title claims abstract description 14
- 238000012360 testing method Methods 0.000 claims abstract description 115
- 238000007789 sealing Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000000344 soap Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011981 development test Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
A device for detecting the static air tightness of a rubber oil seal relates to a detection device. The testing cavity mechanism and the testing shaft mechanism are connected with the base in a sliding limiting mode, the sliding directions of the testing cavity mechanism and the testing shaft mechanism are mutually perpendicular, and the testing cavity mechanism and the testing shaft mechanism are arranged in a matched mode. The utility model solves the problem that the oil seal product has no special device for air tightness detection, and can realize the performance of quickly detecting the air tightness of the product lip; the test shaft mechanism and the test cavity mechanism realize the air tightness when detecting different eccentric amounts of the oil seal by replacing different test shafts and test discs, are convenient to detect the air tightness of oil seal products with different specifications, and are simple in structure and convenient to operate.
Description
Technical Field
The utility model relates to a detection device, especially a static gas tightness of rubber oil blanket detects and uses device.
Background
In the current production practice, the air tightness detection of an oil seal product can only be carried out by using an oil seal durability test bench or the air tightness detection of the whole engine, so that the development test period of the oil seal product is limited; meanwhile, the hidden trouble that the engine is scrapped due to poor air tightness of the oil seal exists.
SUMMERY OF THE UTILITY MODEL
For solving the problem that exists among the background art, the utility model provides a static gas tightness of rubber oil blanket detects and uses device.
The purpose is achieved, the utility model adopts the following technical proposal: a device for detecting the static air tightness of a rubber oil seal comprises a base, a test cavity mechanism and a test shaft mechanism; the testing cavity mechanism and the testing shaft mechanism are connected with the base in a sliding limiting mode, the sliding directions of the testing cavity mechanism and the testing shaft mechanism are mutually perpendicular, and the testing cavity mechanism and the testing shaft mechanism are arranged in a matched mode.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model solves the problem that the oil seal product has no special device for air tightness detection, and can realize the performance of quickly detecting the air tightness of the product lip;
2. the utility model discloses gas tightness when experimental axle mechanism and experimental cavity mechanism realize detecting the different eccentric volumes of oil blanket through changing different experimental axles and test disc, are convenient for detect the gas tightness of the oil blanket product of different specifications, device simple structure, convenient operation.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a top view of the base;
FIG. 3 is a left side view of FIG. 2;
FIG. 4 is a front view of the test chamber mechanism;
FIG. 5 is a sectional view A-A of FIG. 4;
FIG. 6 is a top view of FIG. 4;
fig. 7 is a schematic structural view of the test shaft mechanism.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.
A device for detecting the static air tightness of a rubber oil seal comprises a base 1, a test cavity mechanism and a test shaft mechanism; the testing cavity mechanism and the testing shaft mechanism are connected with the base 1 in a sliding limiting mode, the sliding directions of the testing cavity mechanism and the testing shaft mechanism are mutually perpendicular, and the testing cavity mechanism and the testing shaft mechanism are arranged in a matching mode.
The base 1 is placed on a plane of a test bed, a longitudinal slide rail 8 and two transverse slide rails 6 are arranged at the upper end of the base 1, a slide groove 4 is arranged between the two transverse slide rails 6 in parallel, the slide groove 4 penetrates through one side face of the base 1 and is internally provided with a plurality of (two) slide blocks 5, the two transverse slide rails 6 are used for sliding a test cavity mechanism, and the slide blocks 5 are used for fixing the test cavity mechanism; a transverse rail limiting block 7 is arranged at the end part of each transverse sliding rail 6, and the limiting blocks 7 are used for limiting the test cavity mechanism and preventing the test cavity mechanism from falling off the transverse sliding rails 6 when moving; the longitudinal slide rail 8 is used for a sliding test shaft mechanism, longitudinal rail limiting blocks 9 are arranged at two ends of the longitudinal slide rail 8, and the longitudinal rail limiting blocks 9 are used for adjusting the position of the test shaft mechanism and fixing the test shaft mechanism.
The test cavity mechanism comprises a test cavity 10, a pressure gauge 11, a test disc 12, an air inlet valve 15 and an air outlet valve 16; the lower end of the test cavity 10 is connected with two transverse sliding rails 6 and is connected and fixed on the base 1 with the sliding block 5 in the sliding groove 4 through a locking bolt arranged in the sliding block 5; the test cavity 10 is provided with a test cavity opening, and a pressure gauge 11, an air inlet valve 15 and an air outlet valve 16 are arranged on the test cavity, wherein the pressure gauge 11 is a digital display pressure gauge and is used for monitoring the gas pressure in the test cavity 10; the air inlet valve 15 and the air outlet valve 16 adjust the air inlet and outlet flow of the test cavity 10, and are used for controlling the internal air pressure of the test cavity 10; the test chamber port is connected to the test disc 12.
The intake valve 15 and the exhaust valve 16 are disposed on both sides of the test chamber 10.
A sealing ring 13 is arranged in a groove in the outer wall of the test disc 12, and the sealing ring 13 is used for sealing a fit clearance between the test disc 12 and the test cavity 10 to prevent pressure leakage.
The test disc 12 is connected with the test cavity 10 through a plurality of (three) fixed blocks 14, the plurality of (three) fixed blocks 14 are fastened outside the test cavity 10 and are uniformly distributed along the test cavity opening, and the test disc 12 is fixed and prevented from falling off when the pressure is too large, so that the test disc 12 is prevented from falling off.
The test shaft mechanism comprises a test shaft base 17, a mounting shaft sleeve 19 and a test shaft 20; the lower end of the test shaft base 17 is connected with the longitudinal slide rail 8, and is connected and fixed on the base 1 with the longitudinal rail limiting block 9 through a locking bolt arranged in the longitudinal rail limiting block 9, and the position of the test shaft mechanism is adjusted and the test shaft mechanism is fastened through adjusting the locking bolt on the longitudinal rail limiting block 9; a side face of the test shaft base 17 penetrates through the thickness direction of the test shaft base to be provided with a mounting hole, the mounting hole is connected with a mounting shaft sleeve 19 through a bearing 18, the mounting shaft sleeve 19 is fixedly connected with one end of a test shaft 20 through a screw, and the other end of the test shaft 20 is matched with the test disc 12.
The bearing 18 is arranged in a mounting hole of the test shaft base 17 in an interference fit manner, and the mounting shaft sleeve 19 and the inner ring of the bearing 18 are arranged in the inner ring of the bearing 18 in an interference fit manner; the test shaft 20 is fitted into the bore of the mounting boss 19 with a clearance fit and is secured with screws.
When in use, a test shaft 20 with a corresponding size is firstly installed in the installation shaft sleeve 19 and is fastened by screws; the method comprises the following steps that a product 21 to be tested is pressed into a test disc 12 with a corresponding size, a sealing ring 13 is installed in a groove in the outer wall of the test disc 12, then the test disc 12 is installed at a test cavity opening of a test cavity 10 and is fixedly installed through a fixing block 14; the position of the locking bolt on the longitudinal rail limiting blocks 9 at the two sides of the test shaft base 17 is adjusted, the test shaft 20 is rotated, and the relative eccentricity of the test disc 12 and the test shaft 20 is measured through a dial indicator so as to meet the test requirement. The test cavity mechanism is moved towards the test shaft mechanism through the transverse slide rail 6 until the working part of the test shaft 20 is installed in the lip of the oil seal 21 to be tested. The gas flow of the gas inlet valve 15 and the gas flow of the gas outlet valve 16 are adjusted, and the gas pressure in the test cavity 10 is adjusted by monitoring the value of the pressure gauge 11 so as to reach the pressure required by the test. By the wet immersion method, soap bubbles are applied to the lip portion of the oil seal 21, and the presence or absence of leakage in the lip portion of the oil seal 21 is judged by visually observing the change in the soap bubbles. The capability of resisting eccentricity and resisting gas pressure of the lip of the oil seal 21 product is obtained by adjusting different relative eccentricity and gas pressure.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides a static gas tightness of rubber oil blanket detects and uses device which characterized in that: the device comprises a base (1), a test cavity mechanism and a test shaft mechanism; the testing cavity mechanism and the testing shaft mechanism are connected with the base (1) in a sliding limiting mode, the sliding directions of the testing cavity mechanism and the testing shaft mechanism are mutually perpendicular, and the testing cavity mechanism and the testing shaft mechanism are arranged in a matched mode.
2. The device for detecting the static air tightness of the rubber oil seal according to claim 1, is characterized in that: base (1) upper end is equipped with longitudinal slide rail (8) and two transverse slide rail (6), parallel between two transverse slide rail (6) is equipped with spout (4), spout (4) run through a side setting of base (1) and be equipped with a plurality of sliders (5) in it, the tip of every transverse slide rail (6) all is equipped with transverse slide stopper (7), the both ends of longitudinal slide rail (8) all are equipped with vertical rail stopper (9).
3. The device for detecting the static air tightness of the rubber oil seal according to claim 2, is characterized in that: the test cavity mechanism comprises a test cavity (10), a pressure gauge (11), a test disc (12), an air inlet valve (15) and an air outlet valve (16); the lower end of the test cavity (10) is connected with the two transverse sliding rails (6) and is connected with the sliding block (5) in the sliding groove (4), the test cavity (10) is provided with a test cavity opening, a pressure gauge (11), an air inlet valve (15) and an air outlet valve (16) are arranged on the test cavity opening, and the test cavity opening is connected with a test disc (12).
4. The device for detecting the static air tightness of the rubber oil seal according to claim 3, is characterized in that: and the air inlet valve (15) and the air outlet valve (16) are arranged on two sides of the test cavity (10).
5. The device for detecting the static air tightness of the rubber oil seal according to claim 3, is characterized in that: and a sealing ring (13) is arranged in a groove in the outer wall of the test disc (12).
6. The device for detecting the static air tightness of the rubber oil seal according to claim 5, is characterized in that: the test disc (12) is connected with the test cavity (10) through a plurality of fixing blocks (14), and the fixing blocks (14) are fastened outside the test cavity (10) and are uniformly distributed along the test cavity.
7. The device for detecting the static air tightness of the rubber oil seal according to claim 3, is characterized in that: the test shaft mechanism comprises a test shaft base (17), a mounting shaft sleeve (19) and a test shaft (20); the lower extreme and the vertical slide rail (8) of experimental axle base (17) are connected to be connected with vertical rail stopper (9), a side of experimental axle base (17) is equipped with the mounting hole, the mounting hole is connected with installation axle sleeve (19), installation axle sleeve (19) are connected with the one end of experimental axle (20), the other end and experimental dish (12) cooperation setting of experimental axle (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023333036.1U CN213874854U (en) | 2020-12-30 | 2020-12-30 | Device for detecting static air tightness of rubber oil seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023333036.1U CN213874854U (en) | 2020-12-30 | 2020-12-30 | Device for detecting static air tightness of rubber oil seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213874854U true CN213874854U (en) | 2021-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023333036.1U Active CN213874854U (en) | 2020-12-30 | 2020-12-30 | Device for detecting static air tightness of rubber oil seal |
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| CN (1) | CN213874854U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117191387A (en) * | 2023-09-11 | 2023-12-08 | 昆山健博密封件科技有限公司 | Oil seal detection method and system |
-
2020
- 2020-12-30 CN CN202023333036.1U patent/CN213874854U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117191387A (en) * | 2023-09-11 | 2023-12-08 | 昆山健博密封件科技有限公司 | Oil seal detection method and system |
| CN117191387B (en) * | 2023-09-11 | 2024-03-08 | 昆山健博密封件科技有限公司 | Oil seal detection method and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231218 Address after: Aircraft Factory Building, No. 1 Jizhi Street, Pingfang District, Harbin City, Heilongjiang Province, 150000 Patentee after: Harbin Saishang Sealing Technology Co.,Ltd. Address before: 150001 No.12, Erdao street, West Village, Pingfang Town, Pingfang District, Harbin City, Heilongjiang Province Patentee before: HARBIN LIMIN RUBBER Co.,Ltd. |
|
| TR01 | Transfer of patent right |