CN208804133U - A kind of integrated main cone bearing unit of commercial vehicle sealing - Google Patents

Abstract

The utility model discloses a kind of commercial vehicles to seal integrated main cone bearing unit, including main shaft, bevel gear is arranged on the left of the main shaft surface, the surface of the main shaft is arranged with inner bearing, the inner bearing is located at the right side of bevel gear, and the surface of the inner bearing is arranged with bearing block.The utility model passes through inner bearing, first groove, bearing block, outer bearing, small end face, small rib, large-flange, large end face, second groove, sealing ring, axle sleeve and gasket are used cooperatively, it solves existing commercial vehicle and seals integrated main cone bearing unit assembly complexity, the high problem of requirement on machining accuracy, the commercial vehicle seals integrated main cone bearing unit and has assembly simply, the low advantage of requirement on machining accuracy, it is structurally reasonable, it assembles time saving, parts machining cost is saved, and keep its sealing performance even closer, it reduces because oil leak leads to the risk of bearing failure, effectively overcome the deficiency in the prior art.

Description

A kind of integrated main cone bearing unit of commercial vehicle sealing

Technical field

The utility model relates to Trend of Auto Manufacturing Technologies field, specially a kind of commercial vehicle seals integrated main cone bearing list Member.

Background technique

Bearing is a kind of important spare part in automobile production, its major function is to support mechanical rotary body, reduces its fortune Coefficient of friction during dynamic, and guarantee that its rotating accuracy is studied carefully, it should be support for effect, i.e., literal interpretation is used to hold axis , but this is a part of its effect, its essence is supported to be to undertake radial load.It can be appreciated that it be for Fixing axle.The fast easily excellent automation type selecting of bearing is included, and is exactly that fixing axle makes it that can only realize rotation, and control its axial direction with Radial movement, motor does not have not work if bearing, because axis may be moved to any direction, and motor works Shi Yaoqiu axis can only rotate, and can not be achieved the effect of transmission in theory, and moreover, bearing also will affect biography It is dynamic, good lubrication must be realized on the bearing of high speed shaft in order to reduce this influence, some bearings itself have had lubrication, It is called prelubricated bearing, and most of bearing must have lubricating oil, be responsible for when running at high speed, since friction not only will increase Energy consumption is more frighteningly easy to damage bearing.

The main cone bearing unit of commercial vehicle at present, there are gasket generally between inner bearing and outer bearing, sealing ring Position is sleeved on the axle sleeve of main shaft, and the extension of sealing ring is just pressed on the edge of bearing block, to reach the internal profit of sealing The effect of consistent lubricant, the process is more complicated for this Standard, in addition, requirement on machining accuracy of this sealing means to main shaft surface It is higher, it is not easy to control, to cause the increase of production assembly man-hour and production cost.

Utility model content

The purpose of this utility model is to provide a kind of commercial vehicles to seal integrated main cone bearing unit, has assembly letter Single, the low advantage of requirement on machining accuracy solves existing commercial vehicle and seals integrated main cone bearing unit assembly complexity, adds The high problem of work required precision.

To achieve the above object, the utility model provides the following technical solutions: a kind of integrated main cone of commercial vehicle sealing Bearing unit, including main shaft are arranged with bevel gear on the left of the main shaft surface, and the surface of the main shaft is arranged with inner bearing, The inner bearing is located at the right side of bevel gear, and the surface of the inner bearing is arranged with bearing block, the left side of the bearing block inner cavity The first groove compatible with inner bearing is offered, the surface of the main shaft is arranged with outer bearing, and the outer bearing is located at inner shaft The right side opening on the right side held, the bearing block inner cavity is equipped with the second groove compatible with outer bearing, the right side on the main shaft surface Side is arranged with axle sleeve, and the surface of the axle sleeve is arranged with sealing ring, and the surface of the sealing ring is contacted with bearing block.The main shaft Surface be arranged with gasket, the gasket is between inner bearing and outer bearing；

The surface of the outer bearing offers small end face, and the surface of the outer bearing, which opens up, offers small rib, described small Rib is located at the right side of small end face, and the surface of the outer bearing offers large-flange, and the large-flange is located at the right side of small rib, The surface of the outer bearing offers large end face, and the large end face is located at the right side of large-flange.

Preferably, the surface of the main shaft is provided with corrosion-resistant finishes, and the thickness of corrosion-resistant finishes is not less than 0. 5 millis Rice.

Preferably, the surface of the inner bearing is provided with heat-conducting layer, and the heat-conducting layer includes graphene layer, the graphene The top of layer is provided with aluminium foil heat-conducting layer, wearing layer is provided at the top of the heat-conducting layer, the wearing layer includes polytetrafluoroethyl-ne Alkene layer is provided with alumina ceramic layer at the top of the polytetrafluoroethylene ethylene layer.

Preferably, adhesive layer is provided between the heat-conducting layer and wearing layer, the thickness of the adhesive layer is not less than zero point Three millimeters.

Preferably, the thickness of the graphene layer and aluminium foil heat-conducting layer is equal, the polytetrafluoroethylene ethylene layer and aluminium oxide pottery The thickness of enamel coating is equal.

Compared with prior art, the beneficial effects of the utility model are as follows:

1, the utility model passes through inner bearing, the first groove, bearing block, outer bearing, small end face, small rib, large-flange, big End face, the second groove, sealing ring, axle sleeve and gasket are used cooperatively, and are solved existing commercial vehicle and are sealed integrated main cone Bearing unit assembly is complicated, the high problem of requirement on machining accuracy, which seals integrated main cone bearing unit and have dress Structurally reasonable with simple, the low advantage of requirement on machining accuracy, assembly is time saving, has saved parts machining cost, and keep its close Sealing property is even closer, reduces because oil leak leads to the risk of bearing failure, effectively overcomes the deficiency in the prior art.

2, by the setting of corrosion-resistant finishes, avoiding the external world, there is the utility model corrosive substance to cause to main shaft Damage, improves the service life of main shaft, by being used cooperatively for graphene layer and aluminium foil heat-conducting layer, friction can be generated Heat conducts, and avoids the surface hot-spot of inner bearing, passes through the cooperation of polytetrafluoroethylene ethylene layer and alumina ceramic layer It uses, improves the wear-resistant strength of inner bearing, improve the service life of inner bearing, by the setting of adhesive layer, can will lead Thermosphere and wearing layer are fixed, not easily to fall off.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the utility model bearing block structure main view sectional view；

Fig. 3 is the utility model outer shaft bearing structure main view sectional view；

Fig. 4 is the utility model inner bearing structure partial main view sectional view.

In figure: 1, main shaft；2, bevel gear；3, inner bearing；4, the first groove；5, bearing block；6, outer bearing；601, small end Face；602, small rib；603, large-flange；604, large end face；7, the second groove；8, sealing ring；9, axle sleeve；10, gasket；11, it leads Thermosphere；12, graphene layer；13, aluminium foil heat-conducting layer；14, wearing layer；15, polytetrafluoroethylene ethylene layer；16, alumina ceramic layer；17, Adhesive layer.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-4 is please referred to, the utility model provides a kind of technical solution: a kind of integrated main cone bearing of commercial vehicle sealing Unit, including main shaft 1 are arranged with bevel gear 2 on the left of 1 surface of main shaft, and the surface of main shaft 1 is arranged with inner bearing 3, inner bearing 3 Positioned at the right side of bevel gear 2, the surface of inner bearing 3 is arranged with bearing block 5, offers on the left of 5 inner cavity of bearing block and inner bearing 3 Compatible first groove 4, the surface of main shaft 1 are arranged with outer bearing 6, and outer bearing 6 is located at the right side of inner bearing 3, in bearing block 5 The right side opening of chamber is equipped with second groove 7 compatible with outer bearing 6, is arranged with axle sleeve 9, the table of axle sleeve 9 on the right side of 1 surface of main shaft Surface cover is equipped with sealing ring 8, and the surface of sealing ring 8 is contacted with bearing block 5.The surface of main shaft 1 is arranged with gasket 10, and gasket 10 is located at Between inner bearing 3 and outer bearing 6；

The surface of outer bearing 6 offers small end face 601, and the surface of outer bearing 6, which opens up, offers small rib 602, small rib 602 are located at the right side of small end face 601, and the surface of outer bearing 6 offers large-flange 603, and large-flange 603 is located at small rib 602 Right side, the surface of outer bearing 6 offer large end face 604, and large end face 604 is located at the right side of large-flange 603.

In the utility model: the surface of main shaft 1 is provided with corrosion-resistant finishes, and the thickness of corrosion-resistant finishes is not less than 0. 5 Millimeter, by the setting of corrosion-resistant finishes, avoiding the external world, there is corrosive substance to damage to main shaft 1, improve master The service life of axis 1.

In the utility model: the surface of inner bearing 3 is provided with heat-conducting layer 11, and heat-conducting layer 11 includes graphene layer 12, graphite The top of alkene layer 12 is provided with aluminium foil heat-conducting layer 13, and the top of heat-conducting layer 11 is provided with wearing layer 14, and wearing layer 14 includes poly- four Vinyl fluoride layer 15, the top of polytetrafluoroethylene ethylene layer 15 are provided with alumina ceramic layer 16, thermally conductive by graphene layer 12 and aluminium foil Layer 13 is used cooperatively, and the heat that friction generates can be conducted, be avoided the surface hot-spot of inner bearing 3, pass through Being used cooperatively for polytetrafluoroethylene ethylene layer 15 and alumina ceramic layer 16, improves the wear-resistant strength of inner bearing 3, improves inner bearing 3 service life.

In the utility model: being provided with adhesive layer 17 between heat-conducting layer 11 and wearing layer 14, the thickness of adhesive layer 17 is not small In 0. 3 millimeters, by the setting of adhesive layer 17, heat-conducting layer 11 and wearing layer 14 can be fixed, it is not easily to fall off.

In the utility model: graphene layer 12 is equal with the thickness of aluminium foil heat-conducting layer 13, polytetrafluoroethylene ethylene layer 15 and oxidation The thickness of aluminium ceramic layer 16 is equal.

Working principle: when the utility model is used, inner bearing 3 and outer bearing 6 are first fitted into bearing block 5 by user, then Sealing ring 8 is mounted on the large-flange 603 of outer bearing 6, finally the unit block installed is installed into main shaft main shaft 1, is completed Assembling has reached assembly simply, the low purpose of requirement on machining accuracy.

In summary: the commercial vehicle seals integrated main cone bearing unit, passes through inner bearing 3, the first groove 4, bearing Seat 5, outer bearing 6, small end face 601, small rib 602, large-flange 603, large end face 604, the second groove 7, sealing ring 8,9 and of axle sleeve Gasket 10 is used cooperatively, and is solved existing commercial vehicle and is sealed integrated main cone bearing unit assembly complexity, machining accuracy Demanding problem.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of commercial vehicle seals integrated main cone bearing unit, including main shaft (1), it is characterised in that: main shaft (1) table It is arranged on the left of face bevel gear (2), the surface of the main shaft (1) is arranged with inner bearing (3), and the inner bearing (3) is located at cone The surface on the right side of gear (2), the inner bearing (3) is arranged with bearing block (5), is opened up on the left of bearing block (5) inner cavity Have with inner bearing (3) compatible first groove (4), the surface of the main shaft (1) is arranged with outer bearing (6), the outer bearing (6) it is located at the right side of inner bearing (3), it is recessed that the right side opening of bearing block (5) inner cavity is equipped with compatible with outer bearing (6) second Slot (7) is arranged with axle sleeve (9) on the right side of main shaft (1) surface, and the surface of the axle sleeve (9) is arranged with sealing ring (8), institute The surface for stating sealing ring (8) is contacted with bearing block (5), and the surface of the main shaft (1) is arranged with gasket (10), the gasket (10) Between inner bearing (3) and outer bearing (6)；The surface of the outer bearing (6) offers small end face (601), the outer bearing (6) surface, which opens up, to be offered small rib (602), and the small rib (602) is located at the right side of small end face (601), the outer shaft The surface for holding (6) offers large-flange (603), and the large-flange (603) is located at the right side of small rib (602), the outer bearing (6) surface offers large end face (604), and the large end face (604) is located at the right side of large-flange (603).

2. a kind of commercial vehicle according to claim 1 seals integrated main cone bearing unit, it is characterised in that: the master The surface of axis (1) is provided with corrosion-resistant finishes, and the thickness of corrosion-resistant finishes is not less than 0. 5 millimeters.

3. a kind of commercial vehicle according to claim 1 seals integrated main cone bearing unit, it is characterised in that: in described The surface of bearing (3) is provided with heat-conducting layer (11), and the heat-conducting layer (11) includes graphene layer (12), the graphene layer (12) Top be provided with aluminium foil heat-conducting layer (13), be provided with wearing layer (14), the wearing layer at the top of the heat-conducting layer (11) (14) include polytetrafluoroethylene ethylene layer (15), be provided with alumina ceramic layer (16) at the top of the polytetrafluoroethylene ethylene layer (15).

4. a kind of commercial vehicle according to claim 3 seals integrated main cone bearing unit, it is characterised in that: described to lead It is provided between thermosphere (11) and wearing layer (14) adhesive layer (17), the thickness of the adhesive layer (17) is not less than 0. 3 millis Rice.

5. a kind of commercial vehicle according to claim 3 seals integrated main cone bearing unit, it is characterised in that: the stone The thickness of black alkene layer (12) and aluminium foil heat-conducting layer (13) is equal, the polytetrafluoroethylene ethylene layer (15) and alumina ceramic layer (16) Thickness is equal.