CN218121275U - Hub air tightness detection device for automobile maintenance - Google Patents
Hub air tightness detection device for automobile maintenance Download PDFInfo
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- CN218121275U CN218121275U CN202222724180.0U CN202222724180U CN218121275U CN 218121275 U CN218121275 U CN 218121275U CN 202222724180 U CN202222724180 U CN 202222724180U CN 218121275 U CN218121275 U CN 218121275U
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- wheel hub
- threaded rod
- hub
- detection device
- automobile maintenance
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Abstract
The utility model discloses a wheel hub gas tightness detection device for auto repair, which comprises a worktable, the fixed bottom plate that is provided with on the board, filler piece and roof have set gradually on the bottom plate, be provided with the spacing portion that at least three is used for supporting wheel hub on the filler piece, the internally mounted of board has the drive arrangement who is connected with spacing portion. The utility model discloses in, be provided with the threaded rod in the recess, the movable block, bracing piece and briquetting, the volume of packing is less than wheel hub's inboard volume, the event can be with wheel hub cover in the outside of packing, be provided with drive arrangement in the board, drive arrangement drives the threaded rod rotatory, make the movable block remove along the axial direction of threaded rod, and then make two bracing pieces of cross arrangement flexible in the radial direction of threaded rod, further support wheel hub, this design has reduced the inboard gaseous space of filling of wheel hub, gas saving, shorten the inflation time, can fix spacingly to the wheel hub of multiple size simultaneously.
Description
Technical Field
The utility model relates to an air tightness detects technical field, especially relates to a wheel hub air tightness detection device for auto repair.
Background
The hub is a metal part which is arranged on the transmission shaft in the center and supports the tire, the hub on the market has various types, and the conventional electric automobile mainly uses an aluminum alloy hub which has the advantages of good heat dissipation, light weight, high precision, more attractiveness and the like; the manufacturing method of the aluminum alloy wheel hub comprises three manufacturing methods, namely gravity casting, forging and low-pressure precision casting, wherein the cast wheel hub accounts for more than ninety percent, after the wheel hub is cast, the air tightness detection and the opening of a valve hole are required to be carried out on the wheel hub, and because the existing tire is basically a vacuum tire, the tire with an inner tube is rare, and the vacuum tire is in contact with the wheel hub, the requirement on the air tightness of the wheel hub is high.
When carrying out auto repair, conventional gas tightness detects and blocks wheel hub mostly through the device that has the chuck, aerifys to the wheel hub inboard again and detects, but because wheel hub's size kind and width are more, the more model of the unable adaptation of conventional detection device, because the inboard space of wheel hub is great when aerifing to the wheel hub inboard simultaneously, can fill into more gas, lead to the testing process consuming time longer.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem, and the wheel hub gas tightness detection device for auto repair who provides.
In order to realize the purpose, the utility model adopts the following technical scheme:
the utility model provides a wheel hub gas tightness detection device for auto repair, includes the board, the fixed bottom plate that is provided with on the board, filler piece and roof have set gradually on the bottom plate, be provided with at least three spacing portion that is used for supporting wheel hub on the filler piece, the internally mounted of board has the drive arrangement who is connected with spacing portion, spacing portion includes:
the groove is internally provided with a threaded rod;
the telescopic assembly is arranged on the threaded rod and used for supporting hubs of different sizes.
As a further description of the above technical solution:
the telescopic component comprises a movable sleeve sleeved on the threaded rod, a telescopic piece consisting of two mutually crossed supporting rods and a pressing block fixedly connected with the supporting rods.
As a further description of the above technical solution:
the movable sleeve is in threaded connection with the threaded rod, a sliding block is fixedly connected to the outer side of the movable sleeve, and a sliding groove matched with the sliding block is formed in the groove.
As a further description of the above technical solution:
the two support rods are respectively connected with the filling piece and the movable sleeve in a rotating way.
As a further description of the above technical solution:
the briquetting is wrapped with anti-skidding rubber pad, and the surface of anti-skidding rubber pad is saw tooth structure.
As a further description of the above technical solution:
the top of the filling piece is provided with a limiting hole, and the bottom of the top plate is fixedly connected with a limiting rod matched with the limiting hole.
As a further description of the above technical solution:
the threaded rod and the filling piece are coaxially arranged, and the threaded rod is rotationally connected with the driving device.
As a further description of the above technical solution:
the end faces, close to each other, of the bottom plate and the top plate are provided with a plurality of clamping grooves, and sealing elements are embedded in the clamping grooves.
As a further description of the above technical solution:
the clamping grooves are of annular structures, and the radiuses of the clamping grooves are increased from inside to outside in sequence.
As a further description of the above technical solution:
all have the screw thread pilot hole on roof and the threaded rod, have the gas pocket that is used for aerifing on the roof.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses in, be provided with the bottom plate on the board, be provided with the packing on the bottom plate, be provided with the recess in the packing, be provided with the threaded rod in the recess, the movable block, bracing piece and briquetting, the volume of packing is less than wheel hub's inboard volume, so can overlap the outside at the packing with wheel hub, be provided with drive arrangement in the board, drive arrangement drives the threaded rod rotatory, make the movable block remove along the axial direction of threaded rod, and then make two bracing pieces of cross arrangement flexible in the radial direction of threaded rod, further support wheel hub, this design has reduced the inboard gaseous space of filling of wheel hub, gas saving, shorten the inflation time, can fix spacingly to the wheel hub of multiple size simultaneously.
2. The utility model discloses in, be provided with anti-skidding rubber pad on the briquetting, anti-skidding rubber pad closely laminates wheel hub's inner wall under the promotion of bracing piece, and increase contact friction improves the stability of examining time measuring wheel hub, makes wheel hub keep fastening under the atmospheric pressure effect, improves detection device's security.
3. The utility model discloses in, be provided with bottom plate and roof on the board, all be provided with draw-in groove and sealing member on bottom plate and the roof, the draw-in groove is the loop configuration of a plurality of variation in size, can place not unidimensional sealing member in the draw-in groove of difference, and then the not unidimensional wheel hub of adaptation.
4. The utility model discloses in, be provided with the gag lever post on the roof, be provided with spacing hole on the packing, all be provided with the screw thread pilot hole on threaded rod and the roof, the roof passes through the bolt and is fixed with the threaded rod, and then makes wheel hub inside seal through bottom plate and roof, and this design is simple, and convenient operation can improve the efficiency that the gas tightness detected.
Drawings
FIG. 1 is a schematic view of the overall structure of the detecting device of the present invention;
FIG. 2 is a schematic view of the overall structure of the filling member of the present invention;
FIG. 3 is a schematic view of the structure of the inner side of the middle groove of the present invention;
fig. 4 is a schematic view of the bottom structure of the middle roof plate of the present invention.
Illustration of the drawings:
1. a machine platform; 2. a base plate; 3. a top plate; 4. a filling member; 5. a groove; 6. a threaded rod; 7. A movable sleeve; 8. a slider; 9. a chute; 10. a support bar; 11. briquetting; 12. an anti-skid rubber pad; 13. a card slot; 14. a seal member; 15. a limiting rod; 16. a limiting hole; 17. a threaded assembly hole; 18. and (4) air holes.
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. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-4, a wheel hub airtightness detection device for automobile maintenance comprises a machine table 1, a bottom plate 2 is fixedly arranged on the machine table 1, a filling member 4 and a top plate 3 are sequentially arranged on the bottom plate 2, at least three limiting portions for supporting a wheel hub are arranged on the filling member 4, a driving device connected with the limiting portions is arranged inside the machine table 1, and the limiting portions comprise: a groove 5, wherein a threaded rod 6 is arranged in the groove 5; the telescopic assembly is arranged on the threaded rod 6 and used for supporting hubs of different sizes. Drive arrangement adopts servo motor, and servo motor has limit function, but the accurate operation under the control of controller, and wheel hub's stability can be improved to spacing portion more than three, and filling member 4 can reduce the inboard gaseous volume of filling of wheel hub simultaneously, and then reduces the inflation volume, saves gas, raises the efficiency.
The telescopic component comprises a movable sleeve 7 sleeved on the threaded rod 6, a telescopic part consisting of two mutually crossed supporting rods 10 and a pressing block 11 fixedly connected with the supporting rods 10. The movable sleeve 7 is in threaded connection with the threaded rod 6, a sliding block 8 is fixedly connected to the outer side of the movable sleeve 7, and a sliding groove 9 matched with the sliding block 8 is formed in the groove 5. The two support rods 10 are respectively connected with the filling member 4 and the movable sleeve 7 in a rotating way. The pressing block 11 is coated with an anti-skid rubber pad 12, and the surface of the anti-skid rubber pad 12 is of a saw-toothed structure. The threaded rod 6 is arranged coaxially with the filling element 4, and the threaded rod 6 is connected in rotation to a drive. When the threaded rod 6 rotates, the movable sleeve 7 is limited by the sliding block 8 and the sliding groove 9 and can only move along the axial direction of the threaded rod 6, so that the supporting rods 10 are driven to rotate, the two supporting rods 10 of the shear type structure stretch, and the pressing block 11 is abutted against the inner wall of the wheel hub to form a supporting and fixing wheel hub.
The top of the filling member 4 is provided with a limiting hole 16, and the bottom of the top plate 3 is fixedly connected with a limiting rod 15 matched with the limiting hole 16. The top plate 3 and the threaded rod 6 are provided with threaded assembly holes 17, and the top plate 3 is provided with air holes 18 for air inflation. The bolt is used for fastening the top plate 3 and the threaded rod 6, a sealing ring is arranged on the contact surface of the bolt and the top plate 3, the top plate 3 can be pressed on the bottom plate 2 by screwing the bolt, and the stability is improved.
The end faces of the bottom plate 2 and the top plate 3 close to each other are provided with a plurality of clamping grooves 13, and sealing elements 14 are embedded in the clamping grooves 13. Card slot 13 is of an annular configuration, and the radii of the plurality of card slots 13 increase sequentially from the inside to the outside. The size of a conventional hub is 16-20 inches, the size of the sealing element 14 is matched with that of the hub, and the side face of the hub can be completely attached to the sealing element 14, so that the sealing performance of the inner side of the hub can be improved during testing, gas is not prone to leakage, and the detection accuracy is improved.
The working principle is as follows: when in use, firstly, the sealing element 14 matched with the size of the hub is embedded in the clamping groove 13, and then the hub is sleeved on the outer side of the filling element 4; then, starting a driving device to drive the threaded rod 6 to rotate, and driving the movable sleeve 7 to move downwards to drive the telescopic part consisting of the two support rods 10 to stretch, so that the pressing block 11 is pressed against the inner wall of the hub; then, pressing the top plate 3 on the hub, and fixedly connecting the top plate 3 and the threaded rod 6 by screwing a bolt into the threaded assembly hole 17; finally, the inside of the hub is inflated through the air holes 18 for air tightness test.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (10)
1. The utility model provides a wheel hub gas tightness detection device for auto repair, includes board (1), its characterized in that, fixed bottom plate (2) of being provided with on board (1), bottom plate (2) are gone up and have been set gradually packing (4) and roof (3), be provided with at least three spacing portion that is used for supporting wheel hub on packing (4), the internally mounted of board (1) has the drive arrangement who is connected with spacing portion, spacing portion includes:
the screw rod (6) is arranged in the groove (5);
the telescopic assembly is arranged on the threaded rod (6) and used for supporting hubs of different sizes.
2. The wheel hub air tightness detection device for automobile maintenance according to claim 1, characterized in that the telescopic assembly comprises a movable sleeve (7) sleeved on the threaded rod (6), a telescopic member composed of two mutually crossed support rods (10), and a pressing block (11) fixedly connected with the support rods (10).
3. The hub airtightness detection device for automobile maintenance according to claim 2, wherein the movable sleeve (7) is in threaded connection with the threaded rod (6), a sliding block (8) is fixedly connected to the outer side of the movable sleeve (7), and the groove (5) is provided with a sliding groove (9) which is matched with the sliding block (8).
4. The hub air tightness detection device for automobile maintenance according to claim 2, characterized in that the two support rods (10) are respectively connected with the filler (4) and the movable sleeve (7) in a rotating manner.
5. The hub air tightness detection device for automobile maintenance according to claim 2, characterized in that the pressing block (11) is coated with an anti-skid rubber pad (12), and the surface of the anti-skid rubber pad (12) is of a saw-toothed structure.
6. The hub airtightness detection apparatus for automobile maintenance, according to claim 1, wherein a limiting hole (16) is formed in a top portion of the filler (4), and a limiting rod (15) that is fitted into the limiting hole (16) is fixedly connected to a bottom portion of the top plate (3).
7. The device for detecting the airtightness of a wheel hub for repairing an automobile according to claim 1, wherein the threaded rod (6) is coaxially disposed with the filler member (4), and the threaded rod (6) is rotatably connected to the driving means.
8. The hub airtightness detection apparatus for automobile maintenance, according to claim 1, wherein the end surfaces of the bottom plate (2) and the top plate (3) that are close to each other have a plurality of slots (13), and a sealing member (14) is embedded in each slot (13).
9. The hub air tightness detection device for automobile maintenance according to claim 8, wherein the slots (13) are annular structures, and the radius of the plurality of slots (13) increases from inside to outside.
10. The hub air tightness detection device for automobile maintenance according to claim 1, characterized in that the top plate (3) and the threaded rod (6) are provided with threaded assembly holes (17), and the top plate (3) is provided with air holes (18) for air inflation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222724180.0U CN218121275U (en) | 2022-10-17 | 2022-10-17 | Hub air tightness detection device for automobile maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222724180.0U CN218121275U (en) | 2022-10-17 | 2022-10-17 | Hub air tightness detection device for automobile maintenance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218121275U true CN218121275U (en) | 2022-12-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222724180.0U Active CN218121275U (en) | 2022-10-17 | 2022-10-17 | Hub air tightness detection device for automobile maintenance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218121275U (en) |
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2022
- 2022-10-17 CN CN202222724180.0U patent/CN218121275U/en active Active
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