CN208672234U - Bearing gas leak detection device - Google Patents
Bearing gas leak detection device Download PDFInfo
- Publication number
- CN208672234U CN208672234U CN201821406321.1U CN201821406321U CN208672234U CN 208672234 U CN208672234 U CN 208672234U CN 201821406321 U CN201821406321 U CN 201821406321U CN 208672234 U CN208672234 U CN 208672234U
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- bearing
- roller
- connection cover
- installation axle
- lower connection
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Abstract
The utility model discloses a kind of bearing gas leak detection devices, it include tooling ontology, sealing detection chamber is equipped in tooling ontology, sealing detection chamber includes that the gas leakage chamber and venting cavity for being coordinated upper bearing to be measured and separating are installed for the bearing assembly position of bearing seal to be measured assembly and warp beam, the tooling ontology includes upper connection cover, intermediate connecting cylinder and lower connection cover, the both ends of intermediate connecting cylinder respectively with upper connection cover, lower connection cover is tightly connected, and form the sealing detection chamber, the exhaust outlet being connected to gas leakage chamber is provided in the upper connection cover, the air inlet being connected to venting cavity is provided in lower connection cover, it is equipped in intermediate connecting cylinder with the ring packing wall with bearing outer ring to be measured sealing cooperation, the bearing installation axle for bearing inner race to be measured sealing suit is equipped in lower connection cover, bearing installation axle and lower connection cover are rotatablely connected.
Description
Technical field
The utility model relates to detection device technical fields, and in particular to bearing gas leak detection device.
Background technique
Currently, it is good close that more and more equipment need bearing to have as bearing is using the more and more extensive of field
Sealing property.Such as in automotive engine throttle: being one of controllable valve for entering engine for controlling air, air enters air inlet
It is mixed after pipe with gasoline, becomes burning mixture, participate in work by combustion.Air throttle is the most important portion of current engine system
Part, his top are air cleaners, and it is the throat of automobile engine that lower part, which is engine cylinder body, so modern society is to section
The requirement of valve is higher and higher, and is used in the bearing on air throttle, is required it also increasingly harsher.Use throttle plate pin
It holds, since it is close to engine cylinder body, temperature is very high, it requires that bearing has heat-resisting quantity, and in the air for passing through air throttle
Containing particle and moisture, so that the higher sealing performance of bearing requirements.The sealing function of bearing is to prevent from entering impurity in bearing,
It prevents the grease inside bearing from flowing out, under this special operation condition, also to prevent bearing gas leakage from causing entry into the gas of engine cylinder body
Body is insufficient.In order to guarantee that bearing is not in serious gas leak phenomenon, the producer of every air throttle is all to the air-tightness of bearing
It is required that strict inspection.Detect bearing air-tightness, not merely detect bearing whether gas leakage, also to detect specific under regulation air pressure
Air leakage.
Existing bearing gas leakage detection device, as disclosed in Patent No. 201420531508.X, " sealing bearing gas leakage is surveyed
Trial assembly is set ", the design of bearing tool structure is unreasonable, can only be to the quiescent conditions of bearing after bearing is assembled in bearing tooling
Gas leakage detection is carried out, and the actual condition under bearing rotary state can not be simulated, that is, cannot achieve bearing dynamic
In the case of gas leakage detection so that Bearing testing is unreasonable, detection reliability is low.
In order to overcome the shortcomings in the prior art, one kind is disclosed in Chinese patent CN201210520591.
Summary of the invention
It is a kind of reasonable in design that in order to overcome the deficiencies of the prior art, the utility model provides, easy to assembly, and can
It realizes the bearing tooling of bearing rotation, realizes the bearing gas leakage situation under detection bearing dynamic, static two states, detection is more
It is rationally reliable.
To achieve the goals above, the technical solution adopted in the utility model is: a kind of bearing gas leak detection device, including
There is tooling ontology, sealing detection chamber is equipped in tooling ontology, sealing detection chamber includes the bearing dress for bearing seal to be measured assembly
Coordination and warp beam, which install, is coordinated gas leakage chamber and venting cavity that upper bearing to be measured separates, and the tooling ontology includes upper connection
Lid, intermediate connecting cylinder and lower connection cover, the both ends of intermediate connecting cylinder are tightly connected with upper connection cover, lower connection cover respectively, and
The sealing detection chamber is formed, the exhaust outlet being connected to gas leakage chamber is provided in the upper connection cover, is provided in lower connection cover
The air inlet being connected to venting cavity, bearing assembly position are located in intermediate connecting cylinder, intermediate connecting cylinder top and upper connection cover
Form gas leakage chamber, intermediate connecting cylinder lower part and lower connection cover form venting cavity, the both ends of the intermediate connecting cylinder respectively with upper company
Connect lid, lower connection cover is fixedly attached, upper connection cover and lower connection cover are bolted, be equipped in intermediate connecting cylinder have with to
The ring packing wall of bearing outer ring sealing cooperation is surveyed, the bearing installation for bearing inner race to be measured sealing suit is equipped in lower connection cover
Axis, bearing installation axle and lower connection cover are rotatablely connected, and the one end being provided in the lower connection cover for bearing installation axle is embedded
Groove, be provided with roller bearing between bearing installation axle and the bottom surface of groove, the end circumferential surface of bearing installation axle and groove
Sealing ring is provided between inner wall.
In above-mentioned technical proposal, tooling ontology is assembled to form using three parts, is not only facilitated bearing to be measured to install, is also facilitated
Whole assembly, bearing installation axle is rotatable, and rolling bearing installation axle drives bearing operation to be measured, and it is practical to realize simulation bearing
Operation Conditions, so as to detect the bearing gas leakage situation under bearing dynamic, static two states, the setting of roller bearing be for
Reducing the friction between bearing installation axle and lower connection cover, the setting of sealing ring is the sealing situation in order to ensure venting cavity,
Structure is simple, easy to detect.
As the further setting of the utility model, the roller bearing includes roller and retainer, and roller includes first
Roller and the second roller, the first roller and the second roller are interspersed on retainer, adjacent the first roller and the second roller
Be vertical setting, the retainer includes several link blocks, the correspondence two sides of link block be provided with respectively with the first roller and
The first cavity and the second cavity of second roller adaptation, link block are located at the correspondence two sides of the first roller or the second roller,
The first cavity or the second cavity of adjacent two link block are oppositely arranged, and the gap between the first opposite cavity forms the first rolling
Column holding chamber, the gap between the second opposite cavity form the second roller holding chamber, the first roller, link block and the second roller
It is arranged successively connection and surrounds cyclization, be provided between the end face of bearing installation axle and the bottom surface of groove embedding for roller and retainer
If annular chamber.
In above-mentioned technical proposal, the first roller and the second roller are staggered, and the first roller is responsible for the radial load of carrying
Power, the second roller are responsible for the axial loading force of carrying, can reduce the frictional force of both direction simultaneously, and structure is simpler, at low cost,
Easy for installation, for connecting each first roller and the second roller, roller and retainer are embedded in annular chamber link block
In, facilitate installation.
As the further setting of the utility model, first roller and the second roller are cylinder, and first rolls
The height of column and the second roller is consistent with diameter, the diameter of the first roller and the second roller be all larger than height, link block it is upper
Lower height and inside and outside thickness are respectively less than the diameter of the first roller and the second roller.
In above-mentioned technical proposal, the first cavity on two neighboring link block is oppositely arranged with the first cavity, the second cavity
It is oppositely arranged with the second cavity, the upper-lower height of link block is the height in bearing axial direction herein, and inside and outside thickness is bearing
Thickness on direction from inside to outside, the first cavity and the second cavity are arc concave shape, and the first roller or the second roller are clamped
Afterwards, corresponding to two sides to have part cylinder is exposed outside the first roller holding chamber or the second roller holding chamber, facilitates bearing
Installation axle and groove abut, and reduce contact area, reduce friction.
As the further setting of the utility model, on the inner wall of the outer peripheral surface of the bearing installation axle and intermediate connecting cylinder
It is equipped with the annular brace step for bearing outer ring to be measured support, bearing installation axle is arranged with pressure on the end far from lower connection cover
Set, pressing sleeve are fixed by screws in bearing installation axle, and the end face of pressing sleeve towards lower connection cover is connected to the inner ring of bearing to be measured
The upper annular brace step with bearing installation axle is correspondingly arranged.
In above-mentioned technical proposal, annular brace step is set on intermediate connecting cylinder and bearing installation axle, makes bearing to be measured
Assembly is more solid and reliable, and sealing cooperation is more reliable, so that bearing installation axle drives bearing rotary to be measured more reliable,
Bearing gas leakage situation detection under bearing dynamic is more reliable, and pressing sleeve is fixed in bearing installation axle by screw, and enables pressing sleeve
It is connected on the inner ring of bearing to be measured, the inner ring of bearing to be measured is clamped with the cooperation of annular brace step, so as to bearing peace
It fills axis and drives inner ring rotation.
As the further setting of the utility model, it is equipped in the upper connection cover and lower connection cover and connects wound packages for centre
The assembly bench port matched, the bearing installation axle are arranged in lower connection cover towards driver slot is provided on the end face of lower connection cover
There is the through-hole being connected to driver slot.
In above-mentioned technical proposal, intermediate connecting cylinder is easy to assembly using realization socket, three in upper and lower connection cover is inserted into
Reliably, the setting of driver slot facilitates the rotation of external drive part driving bearing installation axle, and the inner wall of driver slot can be quadrangle
Or hexagon etc., the setting of through-hole facilitate the drive shaft of actuator to be inserted into driver slot, actuator can be motor.
The utility model is further described with reference to the accompanying drawing.
Detailed description of the invention
Attached drawing 1 is the utility model specific embodiment appearance diagram；
Attached drawing 2 is the A-A cross-sectional view of attached drawing 1；
Attached drawing 3 is the A-A cross-sectional view that attached drawing 1 removes bearing to be measured；
Attached drawing 4 is the utility model specific embodiment structural exploded view；
Attached drawing 5 is the structural exploded view of the utility model specific embodiment roller bearing；
Attached drawing 6 is the structural exploded view of the utility model specific embodiment link block；
Attached drawing 7 is the structural exploded view of the utility model specific embodiment retainer.
Specific embodiment
As shown in figs. 1-7, a kind of bearing gas leak detection device includes tooling ontology to specific embodiment of the utility model
1, tooling ontology 1 is interior to be equipped with sealing detection chamber 11, and sealing detection chamber 11 includes assembling position for the bearing that bearing 2 to be measured sealing is assembled
And warp beam installs and is coordinated gas leakage chamber 111 and venting cavity 112 that upper bearing 2 to be measured separates, the tooling ontology 1 includes upper company
Connect lid 12, intermediate connecting cylinder 13 and lower connection cover 14, the both ends of intermediate connecting cylinder 13 respectively with upper connection cover 12, lower connection cover
14 are tightly connected, and form the sealing detection chamber 11, are provided with the exhaust being connected to gas leakage chamber 111 in the upper connection cover 12
Mouthfuls 121, Level meter is connected on exhaust outlet 121, is provided with the air inlet being connected to venting cavity 112 in lower connection cover 14
141, bearing assembly position is located in intermediate connecting cylinder 13, and intermediate 13 top of connecting cylinder and upper connection cover 12 form gas leakage chamber
111, intermediate 13 lower part of connecting cylinder and lower connection cover 14 form venting cavity 112, the both ends of the intermediate connecting cylinder 13 respectively with it is upper
Connection cover 12, lower connection cover 14 are fixedly attached, and upper connection cover 12 and lower connection cover 14 are connected by bolt 3, intermediate connecting cylinder 13
It is interior to be equipped with the ring packing wall 131 cooperated is sealed with 2 outer ring of bearing to be measured, it is equipped in lower connection cover 14 and supplies bearing 2 to be measured
The bearing installation axle 142 of inner ring sealing suit, bearing installation axle 142 and lower connection cover 14 are rotatablely connected, the lower connection cover 14
On be provided with the groove 143 being embedded for the one end of bearing installation axle 142, between bearing installation axle 142 and the bottom surface of groove 143
It is provided with roller bearing 4, is provided with sealing ring 144 between the end circumferential surface of bearing installation axle 142 and the inner wall of groove 143.Work
Dress ontology 1 is assembled to form using three parts, is not only facilitated bearing 2 to be measured to install, is also facilitated whole assembly, bearing installation axle
142 is rotatable, and rolling bearing installation axle 142 drives bearing 2 to be measured to operate, and realizes the simulation actual Operation Conditions of bearing, from
And the bearing gas leakage situation under detectable bearing dynamic, static two states, the setting of roller bearing 4 are to reduce bearing peace
The friction between axis 142 and lower connection cover 14 is filled, the setting of sealing ring 144 is the sealing situation in order to ensure venting cavity 112, knot
Structure is simple, easy to detect.
Above-mentioned roller bearing 4 includes roller and retainer 41, and roller includes the first roller 42 and the second roller 43, the first rolling
Column 42 and the second roller 43 are interspersed on retainer 41, and the first adjacent roller 42 and the second roller 43 are vertical setting,
The retainer 41 includes several link blocks 411, the correspondence two sides of link block 411 be provided with respectively with the first roller 42 and the
The first cavity 4111 and the second cavity 4112 of two rollers 43 adaptation, link block 411 are located at the first roller 42 or the second rolling
The correspondence two sides of column 43, the first cavity 4111 or the second cavity 4112 of adjacent two link block 411 are oppositely arranged, and opposite
Gap between one cavity 4111 forms the first roller holding chamber 421, and the gap between the second opposite cavity 4112 forms the
Two roller holding chambers 431, the first roller 42, link block 411 and the second roller 43 are arranged successively connection and around cyclization, bearing peaces
It fills and is provided with the annular chamber 145 being embedded for roller and retainer 41 between the end face of axis 142 and the bottom surface of groove 143.First rolling
Column 42 and the second roller 43 are staggered, and the first roller 42 is responsible for the radial loading force of carrying, and the second roller 43 is responsible for carrying axle
To loading force, the frictional force of both direction can be reduced simultaneously, structure is simpler, at low cost, and easy for installation, link block 411 is used
It is connected in by each first roller 42 and the second roller 43, roller and retainer 41 are embedded in annular chamber 145, facilitate peace
Dress.
Above-mentioned first roller 42 and the second roller 43 are cylinder, and the height of the first roller 42 and the second roller 43 and
Diameter is consistent, and the diameter of the first roller 42 and the second roller 43 is all larger than height, the upper-lower height of link block 411 and inside and outside thickness
Degree is respectively less than the diameter of the first roller 42 and the second roller 43.The first cavity 4111 and first on two neighboring link block 411
Cavity 4111 is oppositely arranged, and the second cavity 4112 is oppositely arranged with the second cavity 4112, and the upper-lower height of link block 411 is herein
For the height in bearing axial direction, inside and outside thickness is thickness of the bearing from inside to outside on direction, the first cavity 4111 and second recessed
Chamber 4112 is arc concave shape, and after the first roller 42 or the second roller 43 are clamped, it is naked for corresponding to two sides to have part cylinder
It is exposed at outside the first roller holding chamber 421 or the second roller holding chamber 431, bearing installation axle 142 and groove 143 is facilitated to abut,
Reduce contact area, reduces friction.
It is equipped on the inner wall of the outer peripheral surface of above-mentioned bearing installation axle 142 and intermediate connecting cylinder 13 for 2 outer ring of bearing to be measured
The annular brace step 1421,132 of support, bearing installation axle 142 are arranged with pressing sleeve 15 on the end far from lower connection cover 14, pressure
Set 15 is fixed in bearing installation axle 142 by screw 16, and the end face of pressing sleeve 15 towards lower connection cover 14 is connected to bearing 2 to be measured
Inner ring on be correspondingly arranged with the annular brace step 1421,132 of bearing installation axle 142.Pacify in intermediate connecting cylinder 13 and bearing
It fills and annular brace step 1421,132 is set on axis 142, keep the assembly of bearing 2 to be measured more solid and reliable, sealing cooperation more may be used
It leans on, so that bearing installation axle 142 drives the rotation of bearing 2 to be measured more reliable, the bearing gas leakage situation inspection under bearing dynamic
Survey is more reliable, and pressing sleeve 15 is fixed in bearing installation axle 142 by screw 16, and pressing sleeve 15 is enable to be connected to bearing 2 to be measured
On inner ring, the inner ring of bearing 2 to be measured is clamped with the cooperation of annular brace step 1421,132, so as to bearing installation axle 142
Drive inner ring rotation.
Be equipped in above-mentioned upper connection cover 12 and lower connection cover 14 the assembly bench port 122 assembled for intermediate connecting cylinder 13,
146, the bearing installation axle 142 is arranged in lower connection cover 14 towards driver slot 1422 is provided on the end face of lower connection cover 14
There is the through-hole 147 being connected to driver slot 1422.Intermediate connecting cylinder 13 is socketed using realization in upper and lower connection cover 14 is inserted into, and three
Person's convenient and reliable assembly, the setting of driver slot 1422 facilitate the rotation of external drive part driving bearing installation axle 142, driver slot
1422 inner wall can be quadrangle or hexagon etc., and the setting of through-hole 147 facilitates the drive shaft of actuator to be inserted into driver slot
1422, actuator can be motor.
The utility model is not limited to above-mentioned specific embodiment, and persons skilled in the art are according to the utility model public affairs
The content opened can be implemented the utility model or all using the utility model using other a variety of specific embodiments
Design structure and thinking, do simple change or change, both fall within the protection scope of the utility model.
Claims (5)
1. a kind of bearing gas leak detection device includes tooling ontology, is equipped with sealing detection chamber, sealing detection chamber in tooling ontology
Bearing including supplying bearing seal to be measured assembly assembles position and warp beam installs the gas leakage chamber and lead to for being coordinated that above bearing to be measured separates
Air cavity, the tooling ontology include upper connection cover, intermediate connecting cylinder and lower connection cover, the both ends of intermediate connecting cylinder respectively with
Upper connection cover, lower connection cover are tightly connected, and form the sealing detection chamber, are provided in the upper connection cover and connect with gas leakage chamber
Logical exhaust outlet, the air inlet being connected to venting cavity is provided in lower connection cover, and bearing assembly position is located at intermediate connecting cylinder
Interior, intermediate connecting cylinder top and upper connection cover form gas leakage chamber, and intermediate connecting cylinder lower part and lower connection cover form venting cavity, special
Sign is: the both ends of the intermediate connecting cylinder are fixedly attached with upper connection cover, lower connection cover respectively, upper connection cover and lower connection cover
It is bolted, is equipped in intermediate connecting cylinder with the ring packing wall with bearing outer ring to be measured sealing cooperation, lower connection cover
The interior bearing installation axle being equipped with for bearing inner race to be measured sealing suit, bearing installation axle and lower connection cover are rotatablely connected, under described
It is provided with the groove being embedded for the one end of bearing installation axle in connection cover, is provided between bearing installation axle and the bottom surface of groove
Roller bearing is provided with sealing ring between the end circumferential surface of bearing installation axle and the inner wall of groove.
2. bearing gas leak detection device according to claim 1, it is characterised in that: the roller bearing includes roller and guarantor
Hold frame, roller includes the first roller and the second roller, and the first roller and the second roller are interspersed on retainer, and adjacent the
One roller and the second roller are vertical setting, and the retainer includes several link blocks, and the correspondence two sides of link block are provided with
The first cavity and the second cavity being adapted to respectively with the first roller and the second roller, link block are located at the first roller or second
The correspondence two sides of roller, the first cavity or the second cavity of adjacent two link block are oppositely arranged, and between the first opposite cavity
Gap form the first roller holding chamber, the gap between the second opposite cavity forms the second roller holding chamber, the first roller,
Link block and the second roller are arranged successively connection and around cyclization, are provided between the end face of bearing installation axle and the bottom surface of groove
The annular chamber being embedded for roller and retainer.
3. bearing gas leak detection device according to claim 2, it is characterised in that: first roller and the second roller are equal
For cylinder, and the height of the first roller and the second roller is consistent with diameter, and the diameter of the first roller and the second roller is big
In height, the upper-lower height of link block and inside and outside thickness are respectively less than the diameter of the first roller and the second roller.
4. bearing gas leak detection device according to claim 1 or 2 or 3, it is characterised in that: outside the bearing installation axle
The annular brace step for bearing outer ring to be measured support is equipped on the inner wall of circumferential surface and intermediate connecting cylinder, bearing installation axle is separate
Pressing sleeve is arranged on the end of lower connection cover, pressing sleeve is fixed by screws in bearing installation axle, and pressing sleeve is towards lower connection cover
End face is connected on the inner ring of bearing to be measured and is correspondingly arranged with the annular brace step of bearing installation axle.
5. bearing gas leak detection device according to claim 1 or 2 or 3, it is characterised in that: the upper connection cover and lower company
It connects and is equipped with the assembly bench port that assembles for intermediate connecting cylinder in lid, the bearing installation axle is towards being arranged on the end face of lower connection cover
There is driver slot, is provided with the through-hole being connected to driver slot in lower connection cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821406321.1U CN208672234U (en) | 2018-08-29 | 2018-08-29 | Bearing gas leak detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821406321.1U CN208672234U (en) | 2018-08-29 | 2018-08-29 | Bearing gas leak detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208672234U true CN208672234U (en) | 2019-03-29 |
Family
ID=65839939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821406321.1U Active CN208672234U (en) | 2018-08-29 | 2018-08-29 | Bearing gas leak detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208672234U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111751059A (en) * | 2020-05-11 | 2020-10-09 | 上海涟屹轴承科技有限公司 | Mechanical seal pressure testing device for stern shaft |
-
2018
- 2018-08-29 CN CN201821406321.1U patent/CN208672234U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111751059A (en) * | 2020-05-11 | 2020-10-09 | 上海涟屹轴承科技有限公司 | Mechanical seal pressure testing device for stern shaft |
| CN111751059B (en) * | 2020-05-11 | 2022-01-04 | 上海涟屹轴承科技有限公司 | Mechanical seal pressure testing device for stern shaft |
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Legal Events
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 325000 Binhai five road 515, Wenzhou economic and Technological Development Zone, Zhejiang Patentee after: C&U Co.,Ltd. Patentee after: SHANGHAI C&U GROUP Co.,Ltd. Address before: 325000 Binhai five road 515, Wenzhou economic and Technological Development Zone, Zhejiang Patentee before: C & U Group Ltd. Patentee before: SHANGHAI C&U GROUP Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210514 Address after: 325000 Binhai five road 515, Wenzhou economic and Technological Development Zone, Zhejiang Patentee after: C&U Co.,Ltd. Patentee after: SHANGHAI C&U GROUP Co.,Ltd. Patentee after: SHANGHAI BAIXIN BEARING CO.,LTD. Address before: 325000 Binhai five road 515, Wenzhou economic and Technological Development Zone, Zhejiang Patentee before: C&U Co.,Ltd. Patentee before: SHANGHAI C&U GROUP Co.,Ltd. |