CN212110496U - Hub air tightness detection device - Google Patents
Hub air tightness detection device Download PDFInfo
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- CN212110496U CN212110496U CN202020708733.1U CN202020708733U CN212110496U CN 212110496 U CN212110496 U CN 212110496U CN 202020708733 U CN202020708733 U CN 202020708733U CN 212110496 U CN212110496 U CN 212110496U
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Abstract
The utility model discloses a wheel hub gas tightness detection device, including fixed establishment, control panel, fixed establishment mainly comprises workstation and roof, workstation central authorities have seted up T type round hole, still include upper seal mechanism and lower seal mechanism, upper seal mechanism sets up on the roof, lower seal mechanism sets up on the workstation, control panel sets up workstation the place ahead. The utility model discloses go up sealing mechanism and lower sealing mechanism's setting and realize the function that detects the wheel hub gas tightness according to the change of atmospheric pressure, go up sealing mechanism and down the middle and upper filling block of sealing mechanism and the setting of filling block down have reduced the space of wheel hub inner chamber under the user state for atmospheric pressure change more obvious, setting up of vacuum pump makes outside atmospheric pressure the effort of last shrouding the same with the effort of cylinder to last shrouding, the output of cylinder has been reduced, and then the consumption of electric energy has been reduced.
Description
Technical Field
The utility model relates to a wheel hub check out test set technical field especially relates to a wheel hub gas tightness detection device.
Background
The air tightness of the wheel hub is an important index of the performance of the cross beam wheel hub, and in wheel hub production enterprises, the requirement on the air tightness of the aluminum alloy wheel hub is that each part must be inspected. The detection methods commonly used include helium gas density detection and water gas density detection. The above two detection methods have the following disadvantages: 1. when helium is adopted, the equipment investment is large, the helium loss is large, and the total cost is high; 2. the water-vapor density detection requires consumption of a large amount of clean water and subsequent drying.
To solve the drawback, chinese patent publication No. CN207263402U discloses a wheel hub airtightness detection apparatus, which includes a frame, a driving unit, a sealing unit, an inflation unit, and a pressure detection unit, wherein the driving unit is fixed at the top end of the frame; the sealing unit comprises an upper sealing plate and a lower sealing plate which are used for respectively sealing the upper end surface and the lower end surface of the hub, the upper sealing plate can move up and down under the driving of the driving unit, and the upper sealing plate is provided with an inflation hole; the inflation unit can inflate the inner cavity of the hub through the inflation hole of the upper closing plate; the pressure detection unit is used for detecting and displaying the pressure value of the inner cavity of the hub. The utility model discloses a detection device is through last shrouding and lower shrouding with two end face seals of wheel hub, the rethread unit of inflating is aerifyd to wheel hub's inner chamber by the inflation hole, and by the change of pressure detection unit detection pressure, thereby judge whether wheel hub's gas tightness satisfies the user demand, but the repacking is put and is had following shortcoming, wheel hub inner chamber atmospheric pressure rises, upward effort is applyed to last shrouding, the output that leads to the cylinder increases, and then increased power consumption, it is dull and stereotyped with lower shrouding to go up the shrouding, wheel hub inner chamber space is great, it is not obvious to lead to atmospheric pressure change, and the gas that needs the.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a wheel hub gas tightness detection device just in order to solve above-mentioned problem.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
the utility model provides a wheel hub gas tightness detection device, includes fixed establishment, control panel, fixed establishment mainly comprises workstation and roof, workstation central authorities have seted up T type round hole, still include sealing mechanism and lower sealing mechanism, it sets up to go up sealing mechanism on the roof, sealing mechanism sets up down on the workstation, control panel sets up workstation the place ahead.
Preferably, the fixing mechanism further comprises supporting legs and an upright post, the supporting legs are connected to the lower portion of the workbench through bolts, the upright post is connected to the upper portion of the workbench through bolts, and the top plate is connected to the upper portion of the upright post through bolts.
Preferably, fixed establishment still includes the bottom plate, fills up foot, strengthening rib, back plate, strengthening rib the place ahead from the top down has welded in proper order the roof the workstation the bottom plate, the roof with between the back plate and the workstation with through bolted connection between the back plate there is the strengthening rib, there is through bolted connection the bottom plate below fill up the foot.
Preferably, go up sealing mechanism and include cylinder, connecting seat, go up the shrouding, go up the obturator, go up the sealing washer, the cylinder passes through bolted connection and is in the roof top, the output of cylinder passes the roof, and have through bolted connection the connecting seat, the terminal surface passes through bolted connection under the connecting seat go up shrouding top central authorities, go up shrouding bottom central authorities welding have go up the obturator, go up the shrouding below bonding have go up the sealing washer, go up the sealing washer and be located go up the obturator outside.
Preferably, lower sealing mechanism includes shrouding, lower obturator, lower sealing washer, sealed head, trachea, vacuum pump, baroceptor, trachea valve down, the shrouding passes through bolted connection down the T type inslot side that the workstation was seted up, shrouding top central authorities have through bolted connection down the obturator, the shrouding top bonds down and has the lower sealing washer, the lower sealing washer is located the obturator outside down, the obturator top has been seted up down and has been run through the through-hole of lower obturator with the obturator down, this through-hole bottom thread sealing connection have sealed head, sealed head below is connected with through flange connection dish the trachea, trachea one end is passed through flange screw and is connected the inlet end of vacuum pump, still be provided with in the middle of the trachea baroceptor with the trachea valve.
Preferably, the control panel is provided with a display screen and a control button, and the control panel is internally provided with a processor.
Has the advantages that: the upper sealing mechanism and the lower sealing mechanism are arranged to realize the function of detecting the air tightness of the hub according to the change of air pressure, the upper filling block and the lower filling block in the upper sealing mechanism and the lower sealing mechanism are arranged to reduce the space of an inner cavity of the hub in a use state, the change of the air pressure is more obvious, the arrangement of the vacuum pump enables the acting force of external air pressure on the upper sealing plate to be the same as the acting force of the cylinder on the upper sealing plate, the output power of the cylinder is reduced, and the consumption of electric energy is further reduced.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of a first embodiment of a hub airtightness detection apparatus according to the present invention;
fig. 2 is a front view of a first embodiment of the wheel hub airtightness detection apparatus according to the present invention;
fig. 3 is a plan view of a first embodiment of the hub airtightness detection apparatus according to the present invention;
fig. 4 is a sectional view a-a of a first embodiment of a hub airtightness detection apparatus according to the present invention;
fig. 5 is a schematic structural diagram of a second embodiment of the wheel hub air tightness detecting device according to the present invention.
The reference numerals are explained below:
1. a fixing mechanism; 2. an upper sealing mechanism; 3. a lower sealing mechanism; 4. a control panel; 101. a work table; 102. a support leg; 103. a column; 104. a top plate; 11. a base plate; 12. a foot pad; 13. reinforcing ribs; 14. a back plate; 201. a cylinder; 202. a connecting seat; 203. an upper sealing plate; 204. filling blocks are arranged; 205. an upper sealing ring; 301. a lower sealing plate; 302. a lower filling block; 303. a lower seal ring; 304. a sealing head; 305. an air tube; 306. a vacuum pump; 307. an air pressure sensor; 308. an air pipe valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Example 1
As shown in fig. 1, 2, 3 and 4, a wheel hub airtightness detection device comprises a fixing mechanism 1 and a control panel 4, wherein the fixing mechanism 1 mainly comprises a workbench 101 and a top plate 104, a T-shaped circular hole is formed in the center of the workbench 101, the wheel hub airtightness detection device further comprises an upper sealing mechanism 2 and a lower sealing mechanism 3, the upper sealing mechanism 2 is arranged on the top plate 104, the lower sealing mechanism 3 is arranged on the workbench 101, the control panel 4 is arranged in front of the workbench 101, the fixing mechanism 1 further comprises supporting legs 102 and a stand column 103, the supporting legs 102 are connected to the lower part of the workbench 101 through bolts, the stand column 103 is connected to the upper part of the workbench 101 through bolts, the top plate 104 is connected to the upper part of the stand column 103 through bolts, the supporting the workbench 101 through the supporting legs 102, the stand column 103 supports the top plate 104, and further realizes the fixation of the upper sealing mechanism 2 and the lower sealing mechanism 3, and, The connecting seat 202, the upper sealing plate 203, the upper filling block 204, the upper sealing ring 205, the cylinder 201 is connected above the top plate 104 through bolts, the output end of the cylinder 201 penetrates through the top plate 104, and the connecting seat 202 is connected through bolts, the lower end face of the connecting seat 202 is connected in the center of the top of the upper sealing plate 203 through bolts, the upper filling block 204 is welded in the center of the bottom of the upper sealing plate 203, the upper sealing ring 205 is bonded below the upper sealing plate 203, the upper sealing ring 205 is positioned outside the upper filling block 204, the connecting seat 202 can be driven to descend through the cylinder 201, the connecting seat 202 drives the upper sealing plate 203 to descend, sealing of the hub is realized, the space of the inner cavity of the hub is reduced through the upper filling block 204, the output quantity of the vacuum pump 306 is further reduced, the lower sealing mechanism 3 comprises a lower sealing plate 301, a lower filling block 302, The air pipe valve 308 is characterized in that the lower sealing plate 301 is connected to the inner side of a T-shaped groove formed in the workbench 101 through a bolt, the center of the top of the lower sealing plate 301 is connected with a lower filling block 302 through a bolt, a lower sealing ring 303 is bonded to the upper side of the lower sealing plate 301, the lower sealing ring 303 is positioned on the outer side of the lower filling block 302, a through hole penetrating through the lower sealing plate 301 and the lower filling block 302 is formed in the upper side of the lower filling block 302, a sealing head 304 is connected to the bottom of the through hole in a threaded sealing manner, an air pipe 305 is connected to the lower side of the sealing head 304 through a flange connection disc, one end of the air pipe 305 is connected to the air inlet end of the vacuum pump 306 through a flange screw, an air pressure sensor 307 and an air pipe valve 308 are further arranged in the middle of the air pipe 305, so that air in the, the control panel 4 is provided with a display screen and control buttons, and the control panel 4 is internally provided with a processor.
In the structure, during the use, at first place wheel hub on lower seal ring 303, make wheel hub's outer lane be located sealed head 304 top, then start cylinder 201, cylinder 201 drives connecting seat 202 and descends, connecting seat 202 drives shrouding 203 and descends, under the effect of last sealing washer 205, make and seal the wheel hub inner chamber, then start vacuum pump 306, vacuum pump 306 makes when the atmospheric pressure in the wheel hub inner chamber reduces a definite value, close vacuum pump 306 and gas tube valve 308, baroceptor 307 is used for giving control panel 4 to the atmospheric pressure real-time data of wheel hub inner chamber, then observe the change of display screen median on the control panel 4, alright reach wheel hub's gas tightness.
Example 2
As shown in fig. 5, embodiment 2 differs from embodiment 1 in that: fixing mechanism 1 still includes bottom plate 11, the foot pad 12, strengthening rib 13, back plate 14, 13 the place ahead from the top down of strengthening rib has welded roof 104 in proper order, workstation 101, bottom plate 11, there is strengthening rib 13 between roof 104 and back plate 14 and between workstation 101 and the back plate 14 through bolted connection, there is foot pad 12 bottom plate 11 below through bolted connection, it can support bottom plate 11 through foot pad 12 to set up like this, bottom plate 11 supports back plate 14, 14 fixed work platform 101 of back plate and roof 104, the fixed of last sealing mechanism 2 and lower sealing mechanism 3 has been realized, the setting of strengthening rib 13 has increased the stability of workstation 101 and roof 104.
In the structure, during the use, at first place wheel hub on lower seal ring 303, make wheel hub's outer lane be located sealed head 304 top, then start cylinder 201, cylinder 201 drives connecting seat 202 and descends, connecting seat 202 drives shrouding 203 and descends, under the effect of last sealing washer 205, make and seal the wheel hub inner chamber, then start vacuum pump 306, vacuum pump 306 makes when the atmospheric pressure in the wheel hub inner chamber reduces a definite value, close vacuum pump 306 and gas tube valve 308, baroceptor 307 is used for giving control panel 4 to the atmospheric pressure real-time data of wheel hub inner chamber, then observe the change of display screen median on the control panel 4, alright reach wheel hub's gas tightness.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a wheel hub gas tightness detection device, includes fixed establishment (1), control panel (4), fixed establishment (1) mainly comprises workstation (101) and roof (104), T type round hole, its characterized in that have been seted up to workstation (101) central authorities: still include sealing mechanism (2) and lower sealing mechanism (3) on, last sealing mechanism (2) set up on roof (104), sealing mechanism (3) set up down on workstation (101), control panel (4) set up workstation (101) the place ahead.
2. The hub airtightness detection apparatus according to claim 1, wherein: the fixing mechanism (1) further comprises supporting legs (102) and a stand column (103), the supporting legs (102) are connected to the lower portion of the workbench (101) through bolts, the stand column (103) is connected to the upper portion of the workbench (101) through bolts, and the top plate (104) is connected to the upper portion of the stand column (103) through bolts.
3. The hub airtightness detection apparatus according to claim 1, wherein: fixed establishment (1) still includes bottom plate (11), pad foot (12), strengthening rib (13), back plate (14), strengthening rib (13) the place ahead from the top down has welded in proper order roof (104) workstation (101) bottom plate (11), roof (104) with between back plate (14) and workstation (101) with through bolted connection between back plate (14) there are strengthening rib (13), there is through bolted connection bottom plate (11) below pad foot (12).
4. The hub airtightness detection apparatus according to claim 1, wherein: go up sealing mechanism (2) including cylinder (201), connecting seat (202), go up shrouding (203), go up filling block (204), go up sealing washer (205), cylinder (201) pass through bolted connection roof (104) top, the output of cylinder (201) is passed roof (104), and has through bolted connection connecting seat (202), terminal surface passes through bolted connection under connecting seat (202) go up shrouding (203) top central authorities, it has to go up shrouding (203) bottom central welding go up filling block (204), it bonds to go up shrouding (203) below sealing washer (205), it is located to go up sealing washer (205) go up the filling block (204) outside.
5. The hub airtightness detection apparatus according to claim 1, wherein: the lower sealing mechanism (3) comprises a lower sealing plate (301), a lower filling block (302), a lower sealing ring (303), a sealing head (304), an air pipe (305), a vacuum pump (306), an air pressure sensor (307) and an air pipe valve (308), wherein the lower sealing plate (301) is connected to the inner side of a T-shaped groove formed in the workbench (101) through a bolt, the lower filling block (302) is connected to the center of the top of the lower sealing plate (301) through a bolt, the lower sealing ring (303) is bonded to the upper portion of the lower sealing plate (301), the lower sealing ring (303) is located on the outer side of the lower filling block (302), a through hole penetrating through the lower sealing plate (301) and the lower filling block (302) is formed in the upper portion of the lower filling block (302), the bottom of the through hole is in threaded sealing connection with the sealing head (304), and the air pipe (305) is connected to the lower, one end of the air pipe (305) is connected to the air inlet end of the vacuum pump (306) through a flange screw, and the air pressure sensor (307) and the air pipe valve (308) are further arranged in the middle of the air pipe (305).
6. The hub airtightness detection apparatus according to claim 1, wherein: the control panel (4) is provided with a display screen and control buttons, and a processor is arranged inside the control panel (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020708733.1U CN212110496U (en) | 2020-05-01 | 2020-05-01 | Hub air tightness detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020708733.1U CN212110496U (en) | 2020-05-01 | 2020-05-01 | Hub air tightness detection device |
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| CN212110496U true CN212110496U (en) | 2020-12-08 |
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| CN202020708733.1U Active CN212110496U (en) | 2020-05-01 | 2020-05-01 | Hub air tightness detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113176048A (en) * | 2021-05-18 | 2021-07-27 | 泉州世珍工程车辆配件有限公司 | Support detects gas leakage frock |
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2020
- 2020-05-01 CN CN202020708733.1U patent/CN212110496U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113176048A (en) * | 2021-05-18 | 2021-07-27 | 泉州世珍工程车辆配件有限公司 | Support detects gas leakage frock |
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