CN104405500A - Engine and vehicle having same - Google Patents
Engine and vehicle having same Download PDFInfo
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- CN104405500A CN104405500A CN201410512497.5A CN201410512497A CN104405500A CN 104405500 A CN104405500 A CN 104405500A CN 201410512497 A CN201410512497 A CN 201410512497A CN 104405500 A CN104405500 A CN 104405500A
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- vacuum pump
- upper shell
- rotor
- camshaft
- lower shell
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Abstract
The invention discloses an engine and a vehicle having the same. The engine comprises a vacuum pump, a cam bearing cap, a cylinder cover, a cover plate, a cam shaft and a suction pipe. The vacuum pump comprises an upper shell, a lower shell and a rotor, wherein the upper shell is arranged on the top wall of the lower shell; and blades are arranged on the rotor. The upper shell is disposed at the front side or the back side of the cam bearing cap and is formed integrally with the cam bearing cap. The cylinder cover is disposed below the cam bearing cover, and fits with the cam bearing cap to define a cylinder chamber. The lower shell is formed integrally with the cylinder cover. A vacuum pump cavity is defined by the cover plate, the upper shell and the lower shell. The rotor is connected with the end of the cam shaft. The cam shaft is arranged in the cylinder chamber. The rotor is arranged in a cavity of the vacuum pump. The rotor is formed integrally with the cam shaft. The suction pipe is arranged on the upper shell and is communicated with the cavity of the vacuum pump. The engine disclosed by the invention is compact in structure, small in size, low in weight, easy and simple in engine arrangement and short in assembling time.
Description
Technical field
The present invention relates to automotive field, especially relate to a kind of motor and there is its vehicle.
Background technique
Along with the progress of science and technology and the popularization of automobile family oriented, and the raising that people realize energy-saving and emission-reduction, the increasing extent that vacuum pump is employed on supercharging type and diesel engine is wide.
In material disclosed in correlation technique, the setting type of vacuum pump has multiple, it is integrated with generator that one is that vacuum pump is arranged on motor front-end wheel system, the common rotary axis of vacuum pump and generator is driven to carry out work by poly Vbelt, this layout shortcoming is that vacuum pump discharge capacity is little, rear axial longer dimension integrated with generator.Another kind is that vacuum pump is arranged in engine cylinder cap assembly rear end, transmission work is carried out by driver slot by camshaft, this layout shortcoming is that vacuum pump is fixed by mounting flange and bolt, add the entire length of motor, be unfavorable for that Engine Downsizing, cabin compactness is arranged, and added layout difficulty.Another vacuum pump is arranged between camshaft bearing supporting structure, and is positioned at valve mechanism cover, and its rotor is fixed on assembled camshaft steel pipe, and blade is through rotor and camshaft steel pipe, and camshaft Direct driver blade carries out work.The shortcoming of this layout needs to coordinate assembled camshaft to support the use, arranges and to affect by camshaft cover, lubricating oil path, camshaft bearing lid and cylinder cap, and arrangement space is little, arrange that difficulty is high and vacuum pump delivery is little.Also have one to be electronic vacuum pump, electronic vacuum pump is generally arranged on vehicle frame or vehicle body, and the current technology of this vacuum pump is still immature, uses limited.
Summary of the invention
The present invention is intended at least solve the technical problem existed in prior art.For this reason, one object of the present invention is to provide a kind of motor, and this motor have employed a kind of vacuum pump arrangement of new model, solves the problem that when vacuum pump is arranged in motor head or rear end, motor complete machine is long.
Another object of the present invention is to provide a kind of vehicle with above-mentioned motor.
Motor according to the embodiment of the present invention comprises: vacuum pump, and described vacuum pump comprises upper shell, lower shell body and rotor, and described upper shell is located on the roof of described lower shell body, and described rotor is provided with blade; Camshaft bearing lid, described upper shell is positioned at the front side of described camshaft bearing lid or rear side and is formed in one part with described camshaft bearing lid; Cylinder cap, described cylinder cap is positioned at the below of described camshaft bearing lid and coordinates with described camshaft bearing lid and limit cylinder room, and described lower shell body and described cylinder cap are formed in one part; Cover plate, described cover plate is fixed on the end face of described upper shell and described lower shell body, and described cover plate, described upper shell and described lower shell body limit vacuum pump chamber; Camshaft, described rotor is connected with the end of described camshaft, and described camshaft is located at that described cylinder is indoor, and described rotor is located in described vacuum pump chamber, and described rotor and described camshaft are formed in one part; Exhaust tube, described exhaust tube to be located on described upper shell and to be communicated with described vacuum pump chamber.
According to the motor of the embodiment of the present invention, by by the rotor of the lower shell body of the upper shell of vacuum pump and the one-body molded processing of camshaft bearing lid, vacuum pump and the one-body molded processing of cylinder cap, vacuum pump and integrated camshaft shaping operation, thus engine arrangement compact structure, package size are reduced, be convenient to Engine Downsizing, lightweight, and make complete machine arrangement convenience, simple, limited few.And save the installation step of motor, shorten the installation time of motor.
In addition, also following additional technical feature can be had according to motor of the present invention:
In some embodiments of the invention, described cover plate and be provided with seal ring between described upper shell and described lower shell body.Thus ensure the sealing of vacuum pump chamber, and then ensure that the extracting air of vacuum pump forms the reliability of negative pressure.
Particularly, the ear end face of described upper shell is provided with the first groove, and the ear end face of described lower shell body is provided with the second groove, and described first groove and described second groove fit are to limit the circular groove for holding described seal ring.Thus, seal ring is engaged in circular groove and is not easily shifted, departs from, thus ensures the seal action of seal ring.Meanwhile, circular groove be arranged so that the installation of seal ring becomes simply, easily.
In some embodiments of the invention, described cover plate is fixed on described upper shell and described lower shell body by multiple fixed block.Thus, the fixation procedure of cover plate is simple, efficient, processing ease.
Alternatively, each described fixed block is bolt.Thus make fixedly being more prone to of cover plate, and cover plate and upper shell, form between lower shell body and removably connect, thus facilitate dismounting and the maintenance of vacuum pump.
Advantageously, described exhaust tube is fast plug-in unit.Thus make the connection of exhaust tube and vacuum pump simple, easy.
In specific embodiments more of the present invention, described upper shell is positioned at the rear side of camshaft bearing lid.
According to the vehicle of the embodiment of the present invention, comprise motor according to the above embodiment of the present invention.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the decomposition texture schematic diagram of the motor according to the embodiment of the present invention.
Reference character:
Motor 100,
Vacuum pump 1, vacuum pump chamber S1, upper shell 11, lower shell body 12, circular groove 13, first groove 131, second groove 132, rotor 14, blade 15,
Cylinder body 2, cylinder room S2, camshaft bearing lid 21, cylinder cap 22,
Cover plate 3, camshaft 4, seal ring 5, fixed block 6, bolt 61, exhaust tube 7.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " on ", D score, " front ", " afterwards ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristics.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In describing the invention, except as otherwise noted, the implication of " multiple " is two or more.
In describing the invention, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
Below with reference to Fig. 1, the motor 100 according to the embodiment of the present invention is described.
According to the motor 100 of the embodiment of the present invention, as shown in Figure 1, comprising: vacuum pump 1, camshaft bearing lid 21, cylinder cap 22, cover plate 3, camshaft 4 and exhaust tube 7.
With reference to Fig. 1, vacuum pump 1 comprises upper shell 11, lower shell body 12 and rotor 14, and upper shell 11 is located on the roof of lower shell body 12, and rotor 14 is provided with blade 15, cover plate 3 is fixed on the end face of upper shell 11 and lower shell body 12, and cover plate 3, upper shell 11 and lower shell body 12 limit vacuum pump chamber S1.Rotor 14 is located in vacuum pump chamber S1, and exhaust tube 7 to be located on upper shell 11 and to be communicated with vacuum pump chamber S1.Here, above-below direction is direction shown in arrow A in Fig. 1, and fore-and-aft direction is direction shown in arrow B in Fig. 1, will repeat no more in following description.
Particularly, rotor 14 is biased in vacuum pump chamber S1, and by the effect of spring pressure (or centrifugal force), the free end of blade 15 abuts against on the inner circle wall of vacuum pump chamber S1.Because rotor 14 is biased in vacuum pump chamber S1, the spatial volume that in rotor 14, each blade 15 and the inner circle wall of vacuum pump chamber S1 limit is a parameter, when the volume in this space is ascending, this space produces negative pressure and air-breathing, when space volume from large to small time compression and being vented.Vacuum pump 1 is provided with the bleeding point and relief hole (scheming not shown) that are communicated with vacuum pump chamber S1 respectively, exhaust tube 7 is located on bleeding point, vacuum pump 1 extracts the air on vehicle in related device by exhaust tube 7, vacuum pump 1 is by relief hole pressure release, here, the lubricant oil of relief hole also in negotiable vacuum pump 1, namely vacuum pump 1 is by relief hole draining.Advantageously, exhaust tube 7 is fast plug-in unit, and namely exhaust tube 7 is fast inserting structure with the linkage structure of vacuum pump 1, thus makes exhaust tube 7 simple, easy with the connection of vacuum pump 1.
In a concrete example of the present invention, vacuum pump chamber S1 is divided into the first chamber and the second chamber by blade 15, when rotor 14 rotate the first cavity volume is increased gradually and the first chamber bleeding point time, first chamber from exhaust tube 7 extracting air to produce negative pressure, second cavity volume reduce gradually and the second chamber relief hole time, the second chamber by relief hole pressure release, draining.And when rotor 14 continue rotation the first cavity volume is reduced gradually and the first chamber relief hole time, first chamber is by relief hole pressure release, draining, second cavity volume increase gradually and the second chamber bleeding point time, the second chamber from exhaust tube 7 extracting air to produce negative pressure.This process will occur again and again, and thus, the negative pressure that vacuum pump 1 produces can provide the braking force of car load brake system, and namely vacuum pump 1 is the power source of the hydraulic braking booster of vehicle.
With reference to Fig. 1, upper shell 11 is positioned at front side or the rear side of camshaft bearing lid 21, and cylinder cap 22 is positioned at the below of camshaft bearing lid 21, and cylinder cap 22 coordinates with camshaft bearing lid 21 and limits cylinder room S2.Rotor 14 is connected with the end of camshaft 4, and camshaft 4 is located in the S2 of cylinder room.
Here, camshaft bearing lid 21 and cylinder cap 22 form the cylinder body 2 of motor 100, and camshaft 4 rotates in the cylinder room S2 that cylinder body 2 limits.Vacuum pump 1 is located at one end of cylinder body 2, and wherein, the corresponding camshaft bearing lid 21 of upper shell 11 of vacuum pump 1 is arranged, and the corresponding cylinder cap 22 of lower shell body 12 of vacuum pump 1 is arranged, cover plate 3 be located at vacuum pump 1 away from the end face of cylinder body 2 so that vacuum pump 1 is closed.Because the end of rotor 14 with camshaft 4 is connected, therefore rotor 14 and camshaft 4 synchronous axial system.
Particularly, cylinder cap 22 be provided be communicated with cylinder room S2 water oil passage for the lubricant oil that circulates, the oily channel connection of the water on the relief hole of vacuum pump 1 and cylinder cap 22 is with pressure release, draining, and thus, vacuum pump 1 can without the need to arranging independent lubricating oil path.
It should be noted that, motor 100 is also provided with Variable Valve Time (i.e. VVT).When Variable Valve Time is located at the front end of motor 100, vacuum pump 1 is located at the rear end of cylinder body 2, and when Variable Valve Time is located at the rear end of motor 100, vacuum pump 1 is located at the front end of cylinder body 2.
With reference to Fig. 1, upper shell 11 and camshaft bearing lid 21 are formed in one part, and lower shell body 12 and cylinder cap 22 are formed in one part, and rotor 14 and camshaft 4 are formed in one part.That is, the embodiment of the present invention proposes a kind of novel vacuum pump 1 arrangement, on the cylinder body 2 being integrated in motor 100 respectively by the critical piece of vacuum pump 1 and camshaft 4.Specifically, camshaft bearing lid 21 is integrated with the upper shell 11 of vacuum pump 1, cylinder cap 22 is integrated with the lower shell body 12 of vacuum pump 1, camshaft 4 is integrated with the rotor 14 of vacuum pump 1, after the camshaft bearing lid 21 of motor 100, cylinder cap 22 and camshaft 4 have assembled, also completed the arrangement of upper shell 11, lower shell body 12 and rotor 14, that is simultaneously, this setup saves the installation step of motor 100, shortens the installation time of motor 100.
By being integrated on camshaft 4 by the rotor 14 of vacuum pump 1, the blade 15 of camshaft 4 Direct driver vacuum pump 1 rotates in vacuum pump chamber S1, and the performance of vacuum pump 1 does not change, and vacuum pump 1 setting type is novel, unique.Such setting type eliminates the transfer mechanism (as coupling, pin) between rotor 14 and camshaft 4, also save the fixed mechanism (as fastening flange, fixing bolt etc.) between rotor 14 and camshaft 4, make that motor 100 layout is compact, package size reduces, especially motor 100 length (size namely on motor 100 fore-and-aft direction) is made to shorten, thus be convenient to motor 100 miniaturization, lightweight, make motor 100 arrangement convenience, simply, be conducive to car load and carry layout.And being arranged in front end or the rear end of cylinder body 2 due to vacuum pump 1, the arrangement space of vacuum pump 1 is limited little, and therefore the discharge capacity of vacuum pump 1 can be arranged on demand.
According to the motor 100 of the embodiment of the present invention, by by the upper shell 11 of vacuum pump 1 and the lower shell body 12 of the one-body molded processing of camshaft bearing lid 21, vacuum pump 1 and the rotor 14 of the one-body molded processing of cylinder cap 22, vacuum pump 1 and the one-body molded processing of camshaft 4, thus make that motor 100 layout is compact, package size reduces, be convenient to motor 100 miniaturization, lightweight, and make complete machine arrangement convenience, simple, arrange limited few, the discharge capacity of vacuum pump 1 can be arranged on demand.And save the installation step of motor 100, shorten the installation time of motor 100.
In some embodiments of the invention, as shown in Figure 1, upper shell 11 is positioned at the rear side of camshaft bearing lid 21, and meanwhile, lower shell body 12 is also positioned at the rear side of cylinder cap 22, and rotor 14 is positioned at the rear side of camshaft 4.That is, vacuum pump 1 is arranged in the rear end of motor 100.
Particularly, as shown in Figure 1, cover plate 3 and be provided with seal ring 5 between upper shell 11 and lower shell body 12, thus the sealing ensureing vacuum pump chamber S1, and then ensure that the extracting air of vacuum pump 1 forms the reliability of negative pressure.
More specifically, the ear end face of upper shell 11 is provided with the first groove 131, and the ear end face of lower shell body 12 is provided with the circular groove 13 that the second groove 132, first groove 131 and the second groove 132 coordinate to limit for holding seal ring 5.Thus, seal ring 5 is engaged in circular groove 13 and is not easily shifted, departs from, thus ensures the seal action of seal ring 5.And in assembly process, after upper shell 11 and lower shell body 12 have assembled, seal ring 5 first can be nested with the location completing seal ring 5 in circular groove 13, and then securing cover plate 3, like this, circular groove 13 be arranged so that the installation of seal ring 5 becomes simply, easily.
Further, as shown in Figure 1, cover plate 3 is fixed on upper shell 11 and lower shell body 12 by multiple fixed block 6.Use fixed block 6 securing cover plate 3, make the fixation procedure of cover plate 3 simple, efficient, processing ease.
Alternatively, each fixed block 6 is bolt 61, thus makes fixedly being more prone to of cover plate 3, and cover plate 3 and upper shell 11, forms between lower shell body 12 and removably connect, thus facilitates dismounting and the maintenance of vacuum pump 1.
Certainly, the present invention is not limited thereto, such as, cover plate 3 is fixed on upper shell 11, lower shell body 12 by Placements such as welding.
According to the motor 100 of the embodiment of the present invention, by the frame of vacuum pump 1 is integrated on the cylinder body 2 of motor 100, and the rotor 14 of vacuum pump 1 is integrated on camshaft 4, save the transfer mechanism between rotor 14 and camshaft 4 and fixed mechanism, thus the size of motor 100 is reduced, weight saving, is convenient to motor 100 complete machine layout.
It should be noted that, motor 100 also comprises miscellaneous part as piston etc., and the structure and working principle of the miscellaneous part of motor 100, the working principle etc. of motor 100 have been well known to those of ordinary skill in the art, are not described in detail here.
According to the vehicle of the embodiment of the present invention, comprise motor 100 according to the above embodiment of the present invention.
Thus, according to the vehicle of the embodiment of the present invention, the motor 100 that integration degree is high by being provided with, package size reduces, thus be convenient to the optimization arrangement reducing vehicle weight and internals.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present invention and aim, scope of the present invention is by claim and equivalents thereof.
Claims (8)
1. a motor, is characterized in that, comprising:
Vacuum pump, described vacuum pump comprises upper shell, lower shell body and rotor, and described upper shell is located on the roof of described lower shell body, and described rotor is provided with blade;
Camshaft bearing lid, described upper shell is positioned at the front side of described camshaft bearing lid or rear side and is formed in one part with described camshaft bearing lid;
Cylinder cap, described cylinder cap is positioned at the below of described camshaft bearing lid and coordinates with described camshaft bearing lid and limit cylinder room, and described lower shell body and described cylinder cap are formed in one part;
Cover plate, described cover plate is fixed on the end face of described upper shell and described lower shell body, and described cover plate, described upper shell and described lower shell body limit vacuum pump chamber;
Camshaft, described rotor is connected with the end of described camshaft, and described camshaft is located at that described cylinder is indoor, and described rotor is located in described vacuum pump chamber, and described rotor and described camshaft are formed in one part;
Exhaust tube, described exhaust tube to be located on described upper shell and to be communicated with described vacuum pump chamber.
2. motor according to claim 1, is characterized in that, described cover plate and be provided with seal ring between described upper shell and described lower shell body.
3. motor according to claim 2, it is characterized in that, the ear end face of described upper shell is provided with the first groove, and the ear end face of described lower shell body is provided with the second groove, and described first groove and described second groove fit are to limit the circular groove for holding described seal ring.
4. motor according to claim 1, is characterized in that, described cover plate is fixed on described upper shell and described lower shell body by multiple fixed block.
5. motor according to claim 4, is characterized in that, each described fixed block is bolt.
6. motor according to claim 1, is characterized in that, described exhaust tube is fast plug-in unit.
7. the motor according to any one of claim 1-6, is characterized in that, described upper shell is positioned at the rear side of camshaft bearing lid.
8. a vehicle, is characterized in that, comprises the motor according to any one of claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410512497.5A CN104405500A (en) | 2014-09-29 | 2014-09-29 | Engine and vehicle having same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410512497.5A CN104405500A (en) | 2014-09-29 | 2014-09-29 | Engine and vehicle having same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104405500A true CN104405500A (en) | 2015-03-11 |
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ID=52643154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410512497.5A Pending CN104405500A (en) | 2014-09-29 | 2014-09-29 | Engine and vehicle having same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104405500A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1431524A1 (en) * | 2002-12-18 | 2004-06-23 | Peugeot Citroen Automobiles | Pump arrangement for a combustion engine |
| FR2885174A1 (en) * | 2005-04-28 | 2006-11-03 | Renault Sas | Internal combustion engine for e.g. motorizing motor vehicle, has vacuum pump integrated, using recess, in assembly formed by cylinder head and valve mechanism casing, cover placed at outer end of recess |
| FR2909418A3 (en) * | 2006-12-01 | 2008-06-06 | Renault Sas | Cylinder head cover for internal combustion engine of motor vehicle, has camshaft rotatively mounted in cover, and vacuum pump, which is integrated to recess formed in cover at end of camshaft that directly drives rotor of vacuum pump |
| JP2009085119A (en) * | 2007-10-01 | 2009-04-23 | Mazda Motor Corp | Vacuum pump mounting structure |
| CN202325843U (en) * | 2011-11-17 | 2012-07-11 | 东风朝阳朝柴动力有限公司 | Transmission system with camshaft directly connected with vacuum pump |
| CN202348508U (en) * | 2011-10-29 | 2012-07-25 | 长城汽车股份有限公司 | Structure for mounting high-pressure oil pump of automobile engine and vacuum pump |
-
2014
- 2014-09-29 CN CN201410512497.5A patent/CN104405500A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1431524A1 (en) * | 2002-12-18 | 2004-06-23 | Peugeot Citroen Automobiles | Pump arrangement for a combustion engine |
| FR2885174A1 (en) * | 2005-04-28 | 2006-11-03 | Renault Sas | Internal combustion engine for e.g. motorizing motor vehicle, has vacuum pump integrated, using recess, in assembly formed by cylinder head and valve mechanism casing, cover placed at outer end of recess |
| FR2909418A3 (en) * | 2006-12-01 | 2008-06-06 | Renault Sas | Cylinder head cover for internal combustion engine of motor vehicle, has camshaft rotatively mounted in cover, and vacuum pump, which is integrated to recess formed in cover at end of camshaft that directly drives rotor of vacuum pump |
| JP2009085119A (en) * | 2007-10-01 | 2009-04-23 | Mazda Motor Corp | Vacuum pump mounting structure |
| CN202348508U (en) * | 2011-10-29 | 2012-07-25 | 长城汽车股份有限公司 | Structure for mounting high-pressure oil pump of automobile engine and vacuum pump |
| CN202325843U (en) * | 2011-11-17 | 2012-07-11 | 东风朝阳朝柴动力有限公司 | Transmission system with camshaft directly connected with vacuum pump |
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Application publication date: 20150311 |
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