CN217032928U - 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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- CN217032928U CN217032928U CN202220662990.5U CN202220662990U CN217032928U CN 217032928 U CN217032928 U CN 217032928U CN 202220662990 U CN202220662990 U CN 202220662990U CN 217032928 U CN217032928 U CN 217032928U
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Abstract
The utility model relates to the technical field of air tightness detection, and discloses a device for detecting the static air tightness of a rubber oil seal. This static gas tightness of rubber oil blanket detects uses device, through placing the rubber oil blanket at the inner wall of first installation piece, fix sealed screw cap at the rotation, then exert pressure to the movable block, press the round platform to sealed screw cap's top, and fix sealed screw cap, inject the air into the air inlet, utilize the instrument to detect the air velocity of air outlet nozzle spun, confirm the device of rubber oil blanket gas tightness, the device not only can carry out the gas tightness to the oil blanket product and detect, can also avoid leading to the condemned condition of engine because of the oil blanket gas tightness is bad.
Description
Technical Field
The utility model relates to the technical field of airtightness detection, in particular to a device for detecting the static airtightness of a rubber oil seal.
Background
The rubber oil seal is an annular cover composed of one or more parts, is fixed on one ferrule or gasket of the bearing and contacts with the other ferrule or gasket or forms a narrow labyrinth gap to prevent the leakage of lubricating oil and the invasion of foreign matters.
The air tightness detection of the existing oil seal product can only utilize an oil seal durability test bed or an engine complete machine to carry out air tightness detection, so that the development test period of the oil seal product is limited, and the engine is scrapped due to poor air tightness of the oil seal.
Therefore, the device for detecting the static air tightness of the rubber oil seal not only can detect the air tightness of an oil seal product, but also can avoid the condition that an engine is scrapped due to poor air tightness of the oil seal.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art, the utility model provides a device for detecting the static air tightness of a rubber oil seal, which has the advantages of not only detecting the air tightness of an oil seal product, but also avoiding the condition that an engine is scrapped due to poor air tightness of the oil seal and the like, and solves the problems that the air tightness detection of the existing oil seal product can only utilize an oil seal durability test bed or the whole engine to detect the air tightness, so that the development and test period of the oil seal product is limited, and the engine is scrapped due to poor air tightness of the oil seal.
(II) technical scheme
In order to realize the aim of detecting the air tightness of an oil seal product and avoiding the condition of scrapping an engine due to poor air tightness of the oil seal, the utility model provides the following technical scheme: the utility model provides a static gas tightness of rubber oil blanket detects and uses device, includes the plummer, the bottom fixed mounting of plummer has the stabilizer blade, the top fixed mounting of plummer has first installation piece, the top fixed mounting of plummer has the second installation piece, the top of second installation piece is provided with the supporting shoe, the inner wall threaded connection of first installation piece has sealed screw thread lid.
As a preferred technical scheme, the inner wall of the second mounting block is hinged with a movable block, gaskets are arranged on the upper side and the lower side of the movable block, a threaded rod is sleeved on the inner wall of each gasket, a threaded cap is connected to the outer wall of each threaded rod in a threaded mode, and a circular truncated cone is fixedly mounted at the bottom of each threaded rod.
As a preferable technical scheme of the utility model, the inner wall of the sealing threaded cover is provided with an air cavity, the inner wall of the air cavity is fixedly provided with an air outlet nozzle, the inner wall of the sealing threaded cover is fixedly provided with an air inlet, and the inner wall of the first mounting block is provided with a rubber oil seal.
As a preferred technical solution of the present invention, the second mounting block and the supporting block are connected by a fixing bolt, so as to facilitate the mounting and fixing of the second mounting block and the supporting block.
As a preferable technical solution of the present invention, the inner wall of the first mounting block is provided with a thread groove, and the diameter of the inner wall of the thread groove is matched with the diameter of the outer wall of the sealing thread cover, so as to facilitate the mounting and fixing of the sealing thread cover and ensure the air tightness of the inner wall of the sealing thread cover.
As a preferred technical scheme of the utility model, the air inlet is communicated with the inner wall of the air cavity, and the air cavity is communicated with the air outlet nozzle, so that air entering from the air inlet enters the air cavity and enters the air outlet nozzle from the air cavity, and the air tightness of the rubber oil seal is conveniently detected.
As a preferred technical scheme of the utility model, the inner wall of the first mounting block is provided with an air outlet which is positioned at the bottom of the rubber oil seal, and the inner wall of the air outlet is communicated with the inner wall of the air outlet nozzle so as to detect the air tightness of the rubber oil seal.
(III) advantageous effects
Compared with the prior art, the utility model provides a device for detecting the static air tightness of a rubber oil seal, which has the following beneficial effects:
this static gas tightness of rubber oil blanket detects uses device, through placing the inner wall at first installation piece to the rubber oil blanket, fix sealed screw cap at the rotation, then exert pressure to the movable block, press the round platform to sealed screw cap's top, and fix sealed screw cap, injecting the air to the air inlet, utilize the instrument to detect air outlet nozzle spun air speed, confirm the device of rubber oil blanket gas tightness, the device not only can carry out the gas tightness to the oil blanket product and detect, can also avoid leading to the condemned condition of engine because of the oil blanket gas tightness is bad.
Drawings
FIG. 1 is a front perspective view of the present invention;
FIG. 2 is a bottom perspective view of the present invention;
FIG. 3 is a perspective view of the seal threaded cap of the present invention in connection with a first mounting block;
FIG. 4 is a perspective view of the interior of the first mounting block of the present invention;
FIG. 5 is a perspective view of the inside of the first mounting block after the rubber oil seal is removed in accordance with the present invention;
fig. 6 is a perspective view of the interior of the sealed screw cap of the present invention.
In the figure: 1. a bearing table; 2. a support leg; 3. a first mounting block; 4. sealing the threaded cap; 5. a second mounting block; 6. a supporting block; 7. a movable block; 8. a gasket; 9. a screw cap; 10. a threaded rod; 11. a circular truncated cone; 12. an air inlet; 13. an air outlet nozzle; 14. a rubber oil seal; 15. an air cavity.
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. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1-6, a device for detecting static air tightness of a rubber oil seal comprises a bearing table 1, wherein a support leg 2 is fixedly installed at the bottom of the bearing table 1, a first installation block 3 is fixedly installed at the top of the bearing table 1, and a second installation block 5 is fixedly installed at the top of the bearing table 1.
The top of the second mounting block 5 is provided with a supporting block 6, and the second mounting block 5 and the supporting block 6 are connected by a fixing bolt, so that the second mounting block 5 and the supporting block 6 can be conveniently mounted and fixed.
The inner wall of the first mounting block 3 is in threaded connection with a sealing threaded cover 4, a thread groove is formed in the inner wall of the first mounting block 3, and the diameter of the inner wall of the thread groove is matched with that of the outer wall of the sealing threaded cover 4, so that the sealing threaded cover 4 can be mounted and fixed conveniently, and the air tightness of the inner wall of the sealing threaded cover 4 is guaranteed.
The inner wall of second installation piece 5 articulates there is movable block 7, and gasket 8 has all been placed to the upper and lower both sides of movable block 7, and threaded rod 10 has been cup jointed to the inner wall of gasket 8, and the outer wall threaded connection of threaded rod 10 has screw cap 9, and the bottom fixed mounting of threaded rod 10 has round platform 11.
The inner wall of the sealing threaded cover 4 is provided with an air cavity 15, the air inlet 12 is communicated with the inner wall of the air cavity 15, and the air cavity 15 is communicated with the air outlet nozzle 13, so that air entering from the air inlet 12 enters the air cavity 15 and enters the air outlet nozzle 13 from the air cavity 15, and the air tightness of the rubber oil seal 14 can be detected conveniently.
An air outlet nozzle 13 is fixedly mounted on the inner wall of the air cavity 15, an air outlet is formed in the inner wall of the first mounting block 3 and located at the bottom of the rubber oil seal 14, and the inner wall of the air outlet is communicated with the inner wall of the air outlet nozzle 13 so as to detect the air tightness of the rubber oil seal 14.
An air inlet 12 is fixedly arranged on the inner wall of the sealing threaded cover 4, and a rubber oil seal 14 is arranged on the inner wall of the first mounting block 3.
The working principle is as follows: when the device is used, the rubber oil seal 14 is placed on the inner wall of the first mounting block 3, the sealing threaded cover 4 is rotated to be fixed on the inner wall of the first mounting block 3, then a gasket 8, a threaded cap 9 and a threaded rod 10 are assembled on the inner wall of the movable block 7 by a worker, pressure is applied to the movable block 7, the movable block 7 is changed from a vertical state to a horizontal state at the moment, the circular truncated cone 11 is positioned at the top of the sealing threaded cover 4 and fixes the sealing threaded cover 4, air is injected into the air inlet 12, the air flows into the air cavity 15 from the air inlet 12 at the moment, the air flows out of the air outlet nozzle 13 from the inner wall of the air cavity 15, and the instrument is used for detecting and recording the air speed sprayed out of the air outlet nozzle 13; operation more than the repetition takes out rubber oil seal 14 at this in-process to utilize the instrument to go out 13 spun air velocity of air cock and detect the record, the data that detect twice contrast, can derive 14 gas tightness of rubber oil seal, the device not only can carry out the gas tightness to the oil blanket product and detect, can also avoid leading to the condemned condition of engine because of the oil blanket gas tightness is bad.
In conclusion, this static air tightness of rubber oil blanket detects uses device, through placing rubber oil blanket 14 at the inner wall of first installation piece 3, fix sealed thread cover 4 at the rotation, then exert pressure to movable block 7, press round platform 11 to the top of sealed thread cover 4, and fix sealed thread cover 4, injecting the air to air inlet 12, utilize the instrument to detect the air velocity of gas outlet nozzle 13 spun, confirm the device of 14 gas tightness of rubber oil blanket, the device not only can carry out the gas tightness detection to the oil blanket product, can also avoid leading to the condemned condition of engine because of the oil blanket gas tightness is bad.
It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a static gas tightness of rubber oil seal detects and uses device, includes plummer (1), its characterized in that: the bottom fixed mounting of plummer (1) has stabilizer blade (2), the top fixed mounting of plummer (1) has first installation piece (3), the top fixed mounting of plummer (1) has second installation piece (5), the top of second installation piece (5) is provided with supporting shoe (6), the inner wall threaded connection of first installation piece (3) has sealed screw thread lid (4).
2. The device for detecting the static air tightness of the rubber oil seal according to claim 1, characterized in that: the inner wall of second installation piece (5) articulates there is movable block (7), gasket (8) have all been placed to the upper and lower both sides of movable block (7), threaded rod (10) have been cup jointed to the inner wall of gasket (8), the outer wall threaded connection of threaded rod (10) has screw cap (9), the bottom fixed mounting of threaded rod (10) has round platform (11).
3. The device for detecting the static air tightness of the rubber oil seal according to claim 1, is characterized in that: an air cavity (15) is formed in the inner wall of the sealing threaded cover (4), an air outlet nozzle (13) is fixedly mounted on the inner wall of the air cavity (15), an air inlet (12) is fixedly mounted on the inner wall of the sealing threaded cover (4), and a rubber oil seal (14) is placed on the inner wall of the first mounting block (3).
4. The device for detecting the static air tightness of the rubber oil seal according to claim 1, characterized in that: the second mounting block (5) is connected with the supporting block (6) through a fixing bolt.
5. The device for detecting the static air tightness of the rubber oil seal according to claim 1, characterized in that: the inner wall of the first mounting block (3) is provided with a thread groove, and the diameter of the inner wall of the thread groove is matched with that of the outer wall of the sealing thread cover (4).
6. The device for detecting the static air tightness of the rubber oil seal according to claim 3, is characterized in that: the air inlet (12) is communicated with the inner wall of the air cavity (15), and the air cavity (15) is communicated with the air outlet nozzle (13).
7. The device for detecting the static air tightness of the rubber oil seal according to claim 3, is characterized in that: the inner wall of the first mounting block (3) is provided with a gas outlet which is positioned at the bottom of the rubber oil seal (14), and the inner wall of the gas outlet is communicated with the inner wall of the gas outlet nozzle (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220662990.5U CN217032928U (en) | 2022-03-25 | 2022-03-25 | Device for detecting static air tightness of rubber oil seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220662990.5U CN217032928U (en) | 2022-03-25 | 2022-03-25 | Device for detecting static air tightness of rubber oil seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217032928U true CN217032928U (en) | 2022-07-22 |
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ID=82411860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220662990.5U Active CN217032928U (en) | 2022-03-25 | 2022-03-25 | Device for detecting static air tightness of rubber oil seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217032928U (en) |
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2022
- 2022-03-25 CN CN202220662990.5U patent/CN217032928U/en active Active
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