CN205748824U - A kind of T-shaped axle of hub leak tester - Google Patents
A kind of T-shaped axle of hub leak tester Download PDFInfo
- Publication number
- CN205748824U CN205748824U CN201620446802.XU CN201620446802U CN205748824U CN 205748824 U CN205748824 U CN 205748824U CN 201620446802 U CN201620446802 U CN 201620446802U CN 205748824 U CN205748824 U CN 205748824U
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- China
- Prior art keywords
- connecting portion
- groove
- length
- leak tester
- shaped axle
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses the T-shaped axle of a kind of hub leak tester.The T-shaped axle of hub leak tester of the present utility model, including fixing end and connection end, connect the first connecting portion that end includes being coaxially disposed and being sequentially connected with, second connecting portion, 3rd connecting portion and the 4th connecting portion, 4th connecting portion offers the closed keyway for connecting electric rotating machine along its center axis direction, the length of closed keyway accounts for 3rd/to four/2nd of the length of the 4th connecting portion, one end of 4th connecting portion is inwardly provided with the first groove of the output shaft for connecting change speed gear box, the inwall hoop of the first groove is provided with zigzag projection, the outer wall hoop of the output shaft of change speed gear box is provided with zigzag second groove, second groove matches with projection；The T-shaped axle of hub leak tester of the present utility model, it is possible to make change speed gear box and electric rotating machine simple installation, stable connection, reduce equipment failure rate, improve equipment mobility.
Description
Technical field
This utility model belongs to Work piece sealing technical field of measurement and test, is specifically related to the T of a kind of hub leak tester
Profile shaft.
Background technology
Leakage tester, also known as air leak tester, leak tester, it is mainly used in automobile, internal combustion engine, motorcycle, pressure
The industries such as contracting machine, are to detect its parts leak condition, the visual plant of guarantee product quality.Wheel hub is vapour
The skeleton of wheel, is to use aluminium alloy compression casting molding, it is impossible to gas leakage.In order to detect wheel hub in the fabrication process
Whether there is leakage phenomenon, it is ensured that the tire the most not generation accident because of the leakage of wheel hub, it is necessary to
Product is leaked hunting detection as pressurization.In order to clearly find the defects such as wheel hub sand hole that may be present, crack,
Prior art uses hub leak tester wheel hub is carried out sealing propertytest, the wheel hub of inflation is placed in water,
The judgement of existing defects it is made whether, to ensure the up-to-standard of wheel hub according to the situation producing bubble.
Hub leak tester generally comprises water tank, water tank hoist cylinder, wheel hub chuck, wheel hub chuck oil cylinder, change
Speed case, electric rotating machine etc., the operation principle of hub leak tester is as follows: hub leak tester operationally, will be treated
Hub leak tester put into by detection wheel hub, and wheel hub chuck cylinder action makes wheel hub chuck clamp wheel hub to be detected,
When clamping puts in place, the water tank being filled with a certain amount of water is risen by water tank hoist cylinder, submergence wheel hub to be measured, when
When rising puts in place, to wheel hub interacvity air-filling to be measured, when intracavity air pressure reaches setting value, electric rotating machine starts,
Slowing down through change speed gear box, rotated a circle by wheel hub to be measured in water tank, water tank is under the effect of water tank hoist cylinder
Declining, decline and release pressure in wheel hub to be measured after putting in place, the pressure release rear-wheel hub chuck that puts in place unclamps, and detection terminates.
Wherein, change speed gear box and electric rotating machine are connected by T-shaped axle.
In prior art, the T-shaped axle of hub leak tester is as it is shown in figure 1, include fixing end 1 and connect end, even
Meet first connecting portion the 2, second connecting portion the 3, the 3rd connecting portion 4 and that end includes being coaxially disposed and being sequentially connected with
4th connecting portion 5, the first connecting portion 2 is connected with fixing end 1, and the 4th connecting portion 5 is along its center axis direction
Offer the open keyway 6 ' for connecting electric rotating machine, away from the 4th connecting portion 5 of the 3rd connecting portion 4
One end be inwardly provided with the first groove 7 of the output shaft for connecting change speed gear box, but, open keyway 6 '
Length short so that electric rotating machine connects instability, and open keyway 6 ' cracking easy to wear, easily makes
The key landing being connected with open keyway 6 ' on electric rotating machine, again such that electric rotating machine is installed built on the sand, no
Convenient；At other first groove 7 the most unstable with the connection of change speed gear box.
Utility model content
For the deficiencies in the prior art, the purpose of this utility model is to provide the T-shaped of a kind of hub leak tester
Axle, it is possible to make change speed gear box and electric rotating machine simple installation, stable connection, reduce equipment failure rate, promotes
Equipment mobility.
For reaching this purpose, this utility model by the following technical solutions:
The T-shaped axle of a kind of hub leak tester, including fixing end and connection end, described connection end includes coaxially setting
The first connecting portion, the second connecting portion, the 3rd connecting portion and the 4th connecting portion put and be sequentially connected with, described
A junction is connected with described fixing end, and described 4th connecting portion offers along its center axis direction for even
Connecing the closed keyway of electric rotating machine, the length of described closed keyway accounts for the length of described 4th connecting portion
3/1sts to four/2nd, the one end away from described 4th connecting portion of described 3rd connecting portion is inwardly arranged
Having the first groove of output shaft for connecting change speed gear box, the inwall hoop of described first groove is provided with zigzag
Projection, the outer wall hoop of the output shaft of described change speed gear box is provided with zigzag second groove, described second recessed
Groove matches with described projection.
Wherein, the length of described closed keyway account for described 4th connecting portion length 2/3rds.
Wherein, the length of described first groove is less than the length of described closed keyway.
Wherein, the length of described first groove be not more than described closed keyway length 1/2nd.
Wherein, the height of described projection be described first groove internal diameter 1/4th.
Wherein, described first connecting portion, described second connecting portion, described 3rd connecting portion and the described 4th are even
The radial dimension meeting portion gradually successively decreases.
Compared with prior art, the beneficial effects of the utility model are: a kind of wheel hub leak test of the present utility model
The T-shaped axle of machine, including fixing end and connection end, connection end includes that be coaxially disposed and be sequentially connected with first connects
Connecing portion, the second connecting portion, the 3rd connecting portion and the 4th connecting portion, the first connecting portion is connected with fixing end, the
Four connecting portions offer the closed keyway for connecting electric rotating machine, closed key along its center axis direction
The length of groove accounts for 3rd/to four/2nd of the length of the 4th connecting portion, away from the 4th of the 3rd connecting portion the
One end of connecting portion is inwardly provided with the first groove of the output shaft for connecting change speed gear box, the first groove interior
Wall hoop is provided with zigzag projection, and the outer wall hoop of the output shaft of change speed gear box is provided with zigzag second groove,
Second groove matches with projection；Owing to the stress-bearing capability of closed first groove is big, it is used for connecting electric rotating
When the key of machine is placed in closed first groove, it is difficult to drop, is not easy to abrasion cracking；The length of closed keyway
Degree accounts for 3rd/to four/2nd of the length of the 4th connecting portion, and the growth of the length of closed keyway increases
The stress-bearing capability of the 4th connecting portion so that the installation of electric rotating machine is more stable；For connecting the of change speed gear box
The inwall hoop of one groove is provided with zigzag projection, and the outer wall hoop of the output shaft of change speed gear box is provided with zigzag
The second groove, the second groove matched and the protruding connection making change speed gear box are more stable；Of the present utility model
The T-shaped axle of hub leak tester enables to change speed gear box and electric rotating machine simple installation, stable connection, reduces
Equipment failure rate, improves equipment mobility.
Accompanying drawing explanation
Fig. 1 is the structural representation of the T-shaped axle of the hub leak tester of prior art；
Fig. 2 is the structural representation of the T-shaped axle of hub leak tester of the present utility model.
Reference is as follows:
The fixing end of 1-；2-the first connecting portion；3-the second connecting portion；4-the 3rd connecting portion；5-the 4th connecting portion；
The closed keyway of 6-；6 '-open keyway；7-the first groove.
Detailed description of the invention
The technical solution of the utility model is further illustrated below by Fig. 2 and detailed description of the invention.
As in figure 2 it is shown, the T-shaped axle of a kind of hub leak tester of the present utility model, hold 1 including fixing and connect
Connecing end, connection end includes that first connecting portion the 2, second connecting portion the 3, the 3rd being coaxially disposed and being sequentially connected with connects
Connecing portion 4 and the 4th connecting portion 5, the first connecting portion 2 is connected with fixing end 1, and the 4th connecting portion 5 is along its center
Axis direction offers the closed keyway 6 for connecting electric rotating machine, and the length of closed keyway 6 accounts for the 4th
3rd/to four/2nd of the length of connecting portion 5, away from the 4th connecting portion 5 of the 3rd connecting portion 4
One end is inwardly provided with the first groove 7 for connecting change speed gear box, and the inwall hoop of the first groove 7 is provided with sawtooth
The projection of shape, the outer wall hoop of the output shaft of change speed gear box is provided with zigzag second groove, and the second groove is with convex
Rise and match.It should be noted that closed keyway of the present utility model, relative to open keyway, refer to
, in the axial direction of the 4th connecting portion, the end of one end of closed keyway and the same end of the 4th connecting portion
End have a certain distance, the end of the end of the other end of closed keyway and the same end of the 4th connecting portion
Having a certain distance, the most closed keyway is not penetrating in the axial direction of the 4th connecting portion yet；Same,
Open keyway refers to, in the axial direction of the 4th connecting portion, the end of one end of open keyway is with the 4th even
The distance of the end connecing the same end in portion is zero, or the end at the two ends of open keyway and the 4th connecting portion
The distance of the end at two ends is zero.Owing to the stress-bearing capability of closed first groove is big, it is used for connecting rotation
When the key of motor is placed in closed first groove, it is difficult to drop, is not easy to abrasion cracking；Closed keyway 6
Length account for the 4th connecting portion 5 length 3/1sts to four/2nd, the increasing of the length of closed keyway
The long stress-bearing capability adding the 4th connecting portion so that the installation of electric rotating machine is more stable；For connecting speed change
The inwall hoop of the first groove 7 of case is provided with zigzag projection, and the outer wall hoop of the output shaft of change speed gear box sets
Having zigzag second groove, the second groove matched and the protruding connection making change speed gear box are more stable；This reality
Change speed gear box and electric rotating machine simple installation, stable connection is enabled to the T-shaped axle of novel hub leak tester,
Reduce equipment failure rate, improve equipment mobility.
As preferred version of the present utility model, the length of closed keyway 6 accounts for the length of the 4th connecting portion 5
2/3rds, to ensure the stress-bearing capability of the 4th connecting portion 5, prevent from working at electric rotating machine and change speed gear box
Time the 4th connecting portion 5 fracture.
As preferred version of the present utility model, the length of the first groove 7 is less than the length of closed keyway 6,
It is highly preferred that the length of the first groove 7 is not more than 1/2nd of the length of closed keyway 6, to ensure
Being connected firmly and stable of change speed gear box；Further, the four of the protruding internal diameter that height is the first groove/
One, the size of the second groove that the outer wall of corresponding fixing bar is arranged matches with protruding size, so that
Change speed gear box connects more firm.
As preferred version of the present utility model, first connecting portion the 2, second connecting portion the 3, the 3rd connecting portion 4
Gradually successively decrease with the radial dimension of the 4th connecting portion 5 so that T-shaped axle is more securely connected to other parts
On.
The T-shaped axle of a kind of hub leak tester of the present utility model, it is possible to make change speed gear box and electric rotating machine install letter
Just, stable connection, reduce equipment failure rate, improve equipment mobility.
Applicant states, above content is only preferred embodiment of the present utility model, common for this area
Technical staff, according to thought of the present utility model, the most all can change
Part, this specification content should not be construed as restriction of the present utility model.
Claims (6)
1. the T-shaped axle of a hub leak tester, it is characterised in that include fixing end (1) and connect end,
The first connecting portion (2) that described connection end includes being coaxially disposed and be sequentially connected with, the second connecting portion (3),
Three connecting portions (4) and the 4th connecting portion (5), described first connecting portion (2) is with described fixing end (1) even
Connecing, described 4th connecting portion (5) offers for connecting the closed of electric rotating machine along its center axis direction
Keyway (6), the length of described closed keyway (6) accounts for two points of the length of described 4th connecting portion (5)
One of to 3/4ths, away from described 3rd connecting portion (4) described 4th connecting portion (5) one end to
Inside it is provided with first groove (7) of output shaft for connecting change speed gear box, the inwall of described first groove (7)
Hoop is provided with zigzag projection, and the outer wall hoop of the output shaft of described change speed gear box is provided with zigzag second recessed
Groove, described second groove matches with described projection.
The T-shaped axle of hub leak tester the most according to claim 1, it is characterised in that described closed
The length of keyway (6) accounts for 2/3rds of the length of described 4th connecting portion (5).
The T-shaped axle of hub leak tester the most according to claim 1, it is characterised in that described first recessed
The length of groove (7) is less than the length of described closed keyway (6).
The T-shaped axle of hub leak tester the most according to claim 3, it is characterised in that described first recessed
The length of groove (7) is not more than 1/2nd of the length of described closed keyway (6).
The T-shaped axle of hub leak tester the most according to claim 1, it is characterised in that described projection
Be highly described first groove internal diameter 1/4th.
The T-shaped axle of hub leak tester the most according to claim 1, it is characterised in that described first even
Connect portion (2), described second connecting portion (3), described 3rd connecting portion (4) and described 4th connecting portion (5)
Radial dimension gradually successively decrease.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620446802.XU CN205748824U (en) | 2016-05-17 | 2016-05-17 | A kind of T-shaped axle of hub leak tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620446802.XU CN205748824U (en) | 2016-05-17 | 2016-05-17 | A kind of T-shaped axle of hub leak tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205748824U true CN205748824U (en) | 2016-11-30 |
Family
ID=57363538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620446802.XU Expired - Fee Related CN205748824U (en) | 2016-05-17 | 2016-05-17 | A kind of T-shaped axle of hub leak tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205748824U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105910768A (en) * | 2016-05-17 | 2016-08-31 | 昆山六丰机械工业有限公司 | T-shaped shaft of hub leak tester |
| WO2022032739A1 (en) * | 2020-08-14 | 2022-02-17 | 台州星能机械有限公司 | Multi-station leak testing machine for electric vehicle hub |
-
2016
- 2016-05-17 CN CN201620446802.XU patent/CN205748824U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105910768A (en) * | 2016-05-17 | 2016-08-31 | 昆山六丰机械工业有限公司 | T-shaped shaft of hub leak tester |
| WO2022032739A1 (en) * | 2020-08-14 | 2022-02-17 | 台州星能机械有限公司 | Multi-station leak testing machine for electric vehicle hub |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zong Xuhui Inventor before: Zong Xuhui Inventor before: Wei Shoutong Inventor before: Fei Jindong |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161130 Termination date: 20180517 |