CN210317509U - All-terrain vehicle and crankcase thereof - Google Patents
All-terrain vehicle and crankcase thereof Download PDFInfo
- Publication number
- CN210317509U CN210317509U CN201920941396.8U CN201920941396U CN210317509U CN 210317509 U CN210317509 U CN 210317509U CN 201920941396 U CN201920941396 U CN 201920941396U CN 210317509 U CN210317509 U CN 210317509U
- Authority
- CN
- China
- Prior art keywords
- shaft hole
- crankcase
- box body
- cooling air
- terrain vehicle
- Prior art date
- 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.)
- Withdrawn - After Issue
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P9/00—Cooling having pertinent characteristics not provided for in, or of interest apart from, groups F01P1/00 - F01P7/00
- F01P9/04—Cooling having pertinent characteristics not provided for in, or of interest apart from, groups F01P1/00 - F01P7/00 by simultaneous or alternative use of direct air-cooling and liquid cooling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases or frames
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses an all-terrain vehicle and crankcase thereof, the crankcase includes: the left box body is provided with an air inlet and a left cooling air duct, and the air inlet is communicated with the left cooling air duct; the right box body is opposite to the left box body, the right box body is provided with a right cooling air channel, and the right cooling air channel is communicated with the left cooling air channel; and the right box cover is arranged on the right side of the right box body, and the right cooling air duct surrounds the right box cover. From this, through setting up the cooling air duct, can effectively take away the inside heat of engine, can be so that the engine be in reasonable operating temperature interval, and then can promote the engine performance to and the life of extension engine.
Description
Technical Field
The utility model belongs to the technical field of the vehicle technique and specifically relates to an all-terrain vehicle and crankcase thereof is related to.
Background
At present, the crankcase of a common beach vehicle engine meets basic use functions in design, but omits treatment in some details, so that partial functions are unsatisfactory, and the problems are mainly reflected in that the solidified design structure is limited too much, the heat dissipation of the engine body is poor, and the service life and the performance of the engine are influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide an all-terrain vehicle's crankcase, this crankcase heat dispersion is good, can promote the engine performance to and the life of extension engine.
The utility model discloses an all terrain vehicle is further provided.
According to the utility model discloses an all-terrain vehicle's crankcase, include: the left box body is provided with an air inlet and a left cooling air duct, and the air inlet is communicated with the left cooling air duct; the right box body is opposite to the left box body, the right box body is provided with a right cooling air channel, and the right cooling air channel is communicated with the left cooling air channel; and the right box cover is arranged on the right side of the right box body, and the right cooling air duct surrounds the right box cover.
Therefore, by arranging the cooling air duct, the heat in the engine can be effectively taken away, the engine can be in a reasonable working temperature range, the performance of the engine is improved, and the service life of the engine is prolonged.
In some examples of the present invention, the right cooling air duct includes: the communication section is located above and communicated with the wrapping section, the communication section is arranged opposite to the left cooling air duct and communicated with the left cooling air duct, and the wrapping section surrounds the right box cover.
The utility model discloses an in some examples, left side box still is provided with left cooling water course, right side box still is provided with right cooling water course, left side cooling water course with right side cooling water course intercommunication, left side cooling air channel is located the back upper place of left side cooling water course, the vertical setting of air intake.
In some examples of the present invention, the left box has a left cylinder mounting face, the left cooling gallery extends from bottom to top to the left cylinder mounting face; the right box body is provided with a right cylinder assembly surface, and the right cooling water channel extends to the right cylinder assembly surface from bottom to top.
In some examples of the present invention, the left box has a left cylinder mounting face, the left cooling gallery extends from bottom to top to the left cylinder mounting face; the right box body is provided with a right cylinder assembly surface, and the right cooling water channel extends to the right cylinder assembly surface from bottom to top.
The utility model discloses an in some examples, the left side box right side box with the bent axle hole has all been seted up to the right side case lid, the downthehole integration of bent axle has the axle bush.
The utility model discloses an in some examples, right box has been seted up right side balance shaft hole, right main shaft hole, right vice shaft hole, the right side is reversed to keep off and is situated between wheel shaft hole, driven bevel gear shaft hole and transmission shaft hole, and right side balance shaft hole is located the preceding top in right side vice shaft hole, right side main shaft hole is located the back top in right side vice shaft hole, right side is reversed to keep off and is situated in wheel shaft hole the back below and the axial in right side vice shaft hole are left right direction, the transmission shaft hole is located the preceding below and the axial in right side vice shaft hole are the fore-and-aft direction.
The utility model discloses an in some examples, left box has been seted up left balanced shaft hole, left vice shaft hole, left side reverse gear and has been situated between wheel shaft hole and initiative bevel gear shaft hole, left side balanced shaft hole is located the preceding top in left side vice shaft hole, left side vice shaft hole with right side vice shaft hole sets up relatively, left side reverse gear is situated between the wheel shaft hole the rear below in left side vice shaft hole, initiative bevel gear shaft hole is located the below in left side vice shaft hole.
The utility model discloses an in some examples, the starting motor hole has still been seted up to left side box, the starting motor hole site in the place ahead of air intake, the variable speed cam pilot hole has still been seted up to right side box, the variable speed cam pilot hole site in the back below of air intake.
In some examples of the present invention, the left box body has a left cylinder assembly surface, the right box body has a right cylinder assembly surface, the left cylinder assembly surface and the central axis that the right cylinder assembly surface corresponds to with the included angle between the horizontal axes of the crankcase is 45 °.
According to the utility model discloses an all-terrain vehicle, include: a cylinder; the crankcase of the all-terrain vehicle is provided with the cylinder which is assembled obliquely above the crankcase.
Additional aspects and advantages of the invention will be set forth in part 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 above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a first angular perspective view of a crankcase of an all-terrain vehicle according to an embodiment of the present invention;
fig. 2 is a second angular perspective view of the crankcase of an all-terrain vehicle according to an embodiment of the present invention;
fig. 3 is a first angular exploded view of a crankcase of an all-terrain vehicle according to an embodiment of the invention;
fig. 4 is a second angle exploded view of the crankcase of an all-terrain vehicle according to an embodiment of the invention.
Reference numerals:
a crankcase 100;
a left case 10; an air inlet 11; a left cooling air duct 12; a left cooling water channel 13; a left cylinder mounting face 14; a left crank hole 15; a left bearing shell 16; a left balance shaft hole 17; a left auxiliary shaft hole 18; a left reverse gear wheel shaft hole 19; a driving bevel gear shaft hole 20; a start motor hole 21;
a right case 30; a right cooling air duct 31; a communicating section 311; a wrap-around segment 312; a right cooling water channel 32; a right cylinder mounting face 33; a right crankshaft bore 34; a right bearing shell 35; a right balance shaft hole 36; a right spindle hole 37; a right countershaft hole 38; a right reverse gear idler shaft hole 39; a driven bevel gear shaft hole 40; a transmission shaft hole 41; shift cam mounting holes 42;
and a right box cover 50.
Detailed Description
Embodiments of the present invention are described in detail below, and the embodiments described with reference to the drawings are exemplary.
A crankcase 100 of an all-terrain vehicle according to an embodiment of the invention, the crankcase 100 being part of an engine, is described below with reference to fig. 1-4.
As shown in fig. 1 and 2, a crankcase 100 of an all-terrain vehicle according to an embodiment of the invention may include: left box 10, right box 30 and right case lid 50, left side box 10 and right box 30 set up relatively, and both can be through fastener fixed connection, can fill sealing washer or sealed glue between the two moreover to guarantee the sealed effect of crankcase 100. The right cover 50 is provided on the right side of the right case 30. Through the reasonable arrangement of the three components, the crankcase 100 has a simple and reliable structure, few parts and is easy to assemble.
As shown in fig. 3 and 4, the left box 10 is provided with an air inlet 11 and a left cooling air duct 12, the air inlet 11 is communicated with the left cooling air duct 12, the right box 30 is provided with a right cooling air duct 31, and the right cooling air duct 31 is communicated with the left cooling air duct 12, wherein the right cooling air duct 31 surrounds the right box cover 50. That is, the crankcase 100 can supply cold air to the inside thereof through the air inlet 11, and the cold air can flow in the left cooling air duct 12 and the right cooling air duct 31, so that the internal heat of the crankcase 100 can be effectively taken away, and the engine can be in a reasonable working temperature range. Moreover, since the right cooling air duct 31 surrounds the right box cover 50, the coverage area is large, and the cooling effect is better.
Therefore, by arranging the cooling air duct, the heat in the engine can be effectively taken away, the engine can be in a reasonable working temperature range, the performance of the engine is improved, and the service life of the engine is prolonged.
As shown in fig. 3 and 4, the left case 10 is provided with a left cooling water channel 13, the right case 30 is provided with a right cooling water channel 32, the right cooling water channel 32 is communicated with the left cooling water channel 13, cooling water can flow in the left cooling water channel 13 and the right cooling water channel 32, and the cooling water can effectively take away internal heat of the crankcase 100, so that the engine is in a reasonable working temperature range.
Alternatively, as shown in fig. 3 and 4, the left cooling air duct 12 is located at the rear upper side of the left cooling water duct 13, and the air inlet 11 is vertically arranged. From this, arrange in different positions through with left cooling air duct 12 and left cooling water course 13 to can make both complement each other, can take away the inside heat of engine better, the left cooling air duct 12 position that so sets up is arranged rationally moreover, can not influence the inside parts setting of crankcase 100, still is favorable to the setting of air intake 11.
As shown in fig. 3 and 4, the right cooling air duct 31 includes: a communicating section 311 and a surrounding section 312, wherein the communicating section 311 is located above the surrounding section 312, the communicating section 311 is communicated with the surrounding section 312, the communicating section 311 is arranged opposite to and communicated with the left cooling air duct 12, and the surrounding section 312 surrounds the right box cover 50. The communicating section 311 can play a role in communicating the left cooling air duct 12 with the surrounding section 312, so that cold air at the air inlet 11 can enter the surrounding section 312 area, and the internal components of the crankcase 100 can be effectively cooled in the surrounding section 312 area, and the internal heat of the crankcase 100 can be taken away, so that the engine can be in a reasonable working temperature range, and the performance of the engine can be improved. The right cover 50 is provided with crank holes and ventilation holes so that the surrounding section 312 can effectively cool the crankshaft.
Specifically, as shown in fig. 3 and 4, the left casing 10 has a left cylinder mounting surface 14, the left cooling water passage 13 extends from below to above to the left cylinder mounting surface 14, the right casing 30 has a right cylinder mounting surface 33, and the right cooling water passage 32 extends from below to above to the right cylinder mounting surface 33. Wherein, the cylinder assembly is on left cylinder mounting surface 14 and right cylinder mounting surface 33, and the cylinder corresponds the cooling water course that is provided with the cylinder moreover, through the cooling water course intercommunication with in crankcase 100 and the cylinder, can guarantee the cooling effect of cylinder department, can make the whole cooling effect of engine good, need not the cylinder and reconnect the water supply runner alone moreover.
Wherein, the included angle between the central axes corresponding to the left cylinder assembly surface 14 and the right cylinder assembly surface 33 and the horizontal axis of the crankcase 100 is 45 degrees. The left cylinder assembly surface 14 and the right cylinder assembly surface 33 which are arranged in this way can be better matched with the lower assembly surface of the cylinder, the installation efficiency of the cylinder and the crankcase 100 can be improved, and the whole structure of the engine can be reasonably arranged.
Optionally, as shown in fig. 3, the left casing 10, the right casing 30, and the right casing cover 50 are all provided with crank holes, and bearing bushes are integrated in the crank holes. That is, the left housing 10 is provided with a left crank hole 15, the right housing 30 and the right cover 50 are provided with a right crank hole 34, the left bearing 16 is correspondingly provided in the left crank hole 15, and the right bearing 35 is correspondingly provided in the right crank hole 34. Through the axle bush of integration on box and case lid, can make crankcase 100 integrated level high, the wholeness is good, and structural reliability is high.
Also, the crankcase 100 also incorporates the transmission function, as will be described in detail below.
As shown in fig. 3 and 4, the right casing 30 is provided with a right balance shaft hole 36, a right main shaft hole 37, a right auxiliary shaft hole 38, a right reverse gear intermediate shaft hole 39, a driven bevel gear shaft hole 40, and a transmission shaft hole 41, the right balance shaft hole 36 is located at the front upper side of the right auxiliary shaft hole 38, the right main shaft hole 37 is located at the rear upper side of the right auxiliary shaft hole 38, the right reverse gear intermediate shaft hole 39 is located at the rear lower side of the right auxiliary shaft hole 38, the axial direction is the left-right direction, and the transmission shaft hole 41 is located at the front lower side of the right auxiliary shaft hole 38, the axial direction is the front-. The left box body 10 is provided with a left balance shaft hole 17, a left auxiliary shaft hole 18, a left reverse gear intermediate shaft hole 19 and an active bevel gear shaft hole 20, the left balance shaft hole 17 is positioned at the front upper part of the left auxiliary shaft hole 18, the left auxiliary shaft hole 18 is arranged opposite to the right auxiliary shaft hole 38, the left reverse gear intermediate shaft hole 19 is positioned at the rear lower part of the left auxiliary shaft hole 18, and the active bevel gear shaft hole 20 is positioned at the lower part of the left auxiliary shaft hole 18.
The left balance shaft hole 17 and the right balance shaft hole 36 are arranged oppositely and used for mounting a balance shaft, the balance shaft can be matched with a crankshaft, and the balance shaft and the crankshaft can improve the working stability of the engine and the transmission reliability of power. The right main shaft hole 37 is used for installing a main shaft of the gearbox, the left auxiliary shaft hole 18 and the right auxiliary shaft hole 38 are used for installing an auxiliary shaft of the gearbox, the left reverse gear intermediate shaft hole 19 and the right reverse gear intermediate shaft hole 39 are used for installing a reverse gear intermediate shaft, the driving bevel gear shaft hole 20 is used for installing a driving bevel gear shaft, the driving bevel gear shaft is provided with a driving bevel gear, the driven bevel gear shaft hole 40 is used for installing a driven bevel gear shaft, and the driven bevel gear shaft is provided with a driven bevel gear.
Therefore, the crankcase 100 integrates the function of a gearbox, and each shaft in the gearbox can be arranged between the left box body 10 and the right box body 30, so that the integration level of the crankcase 100 is high, the integrity is good, and the assembly efficiency is high.
Further, as shown in fig. 4, the left housing 10 is further opened with a starting motor hole 21, and the starting motor hole 21 is located in front of the air inlet 11. The starter motor can be installed at the starter motor hole 21, so that the crankcase 100 can also play a role of installing the starter motor, thereby further improving the integration level of the engine and enabling the all-terrain vehicle to be compact in structure and small in size. And the starting motor and the air inlet 11 do not interfere with each other, and the air inlet effect of the air inlet 11 is not influenced, so that the reasonable design of the whole structure of the crank case 100 can be ensured.
As shown in fig. 4, the right casing 30 is further opened with a speed change cam fitting hole 42, and the speed change cam fitting hole 42 is located at the rear lower portion of the air intake opening 11. Through the position of rationally arranging the change cam, can make crankcase 100 overall structure reasonable in design, compact structure.
According to the utility model discloses all terrain vehicle, including the engine, the engine includes: and the crankcase 100 of the above embodiment, the cylinder is assembled obliquely above the crankcase 100.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship 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 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.
In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features. In the description of the present invention, "a plurality" means two or more. In the description of the present invention, the first feature "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween. In the description of the invention, the first feature being "on", "above" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A crankcase for an all-terrain vehicle, comprising:
the left box body is provided with an air inlet and a left cooling air duct, and the air inlet is communicated with the left cooling air duct;
the right box body is opposite to the left box body, the right box body is provided with a right cooling air channel, and the right cooling air channel is communicated with the left cooling air channel;
and the right box cover is arranged on the right side of the right box body, and the right cooling air duct surrounds the right box cover.
2. The crankcase of an all-terrain vehicle of claim 1, wherein the right cooling air duct comprises: the communication section is located above and communicated with the wrapping section, the communication section is arranged opposite to the left cooling air duct and communicated with the left cooling air duct, and the wrapping section surrounds the right box cover.
3. The crankcase of an all-terrain vehicle as claimed in claim 1, wherein the left box body is further provided with a left cooling water channel, the right box body is further provided with a right cooling water channel, the left cooling water channel and the right cooling water channel are communicated, the left cooling air duct is located at the rear upper part of the left cooling water channel, and the air inlet is vertically arranged.
4. The crankcase of an all-terrain vehicle of claim 3, wherein the left case has a left cylinder mounting face, the left cooling gallery extending from bottom to top to the left cylinder mounting face;
the right box body is provided with a right cylinder assembly surface, and the right cooling water channel extends to the right cylinder assembly surface from bottom to top.
5. The crankcase of an all-terrain vehicle of claim 1, wherein the left box body, the right box body, and the right box cover each define a crank bore, and wherein bearing pads are integrated within the crank bores.
6. The all-terrain vehicle crankcase as claimed in claim 1, wherein the right casing defines a right balance shaft hole, a right main shaft hole, a right auxiliary shaft hole, a right reverse gear intermediate shaft hole, a driven bevel gear shaft hole and a transmission shaft hole, the right balance shaft hole is located at the front upper portion of the right auxiliary shaft hole, the right main shaft hole is located at the rear upper portion of the right auxiliary shaft hole, the right reverse gear intermediate shaft hole is located at the rear lower portion of the right auxiliary shaft hole and is axially in the left-right direction, and the transmission shaft hole is located at the front lower portion of the right auxiliary shaft hole and is axially in the front-back direction.
7. The all-terrain vehicle crankcase as claimed in claim 6, wherein the left box body defines a left balance shaft hole, a left auxiliary shaft hole, a left reverse gear intermediate shaft hole and a driving bevel gear shaft hole, the left balance shaft hole is located at the front upper part of the left auxiliary shaft hole, the left auxiliary shaft hole is opposite to the right auxiliary shaft hole, the left reverse gear intermediate shaft hole is located at the rear lower part of the left auxiliary shaft hole, and the driving bevel gear shaft hole is located at the lower part of the left auxiliary shaft hole.
8. The crankcase of an all-terrain vehicle of claim 1, wherein the left housing further defines a starter motor aperture positioned forward of the intake opening, and the right housing further defines a shift cam assembly aperture positioned rearward and below the intake opening.
9. The crankcase of an all-terrain vehicle of claim 1, wherein the left box body has a left cylinder mounting face and the right box body has a right cylinder mounting face, and wherein a central axis corresponding to the left cylinder mounting face and the right cylinder mounting face forms an angle of 45 ° with a horizontal axis of the crankcase.
10. An all-terrain vehicle, comprising:
a cylinder;
the crankcase of the all-terrain vehicle of any of claims 1-9, the cylinder being mounted diagonally above the crankcase.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920941396.8U CN210317509U (en) | 2019-06-21 | 2019-06-21 | All-terrain vehicle and crankcase thereof |
| PCT/CN2019/127464 WO2020253183A1 (en) | 2019-06-21 | 2019-12-23 | All-terrain vehicle and crankcase thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920941396.8U CN210317509U (en) | 2019-06-21 | 2019-06-21 | All-terrain vehicle and crankcase thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210317509U true CN210317509U (en) | 2020-04-14 |
Family
ID=70145534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920941396.8U Withdrawn - After Issue CN210317509U (en) | 2019-06-21 | 2019-06-21 | All-terrain vehicle and crankcase thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN210317509U (en) |
| WO (1) | WO2020253183A1 (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4864842B2 (en) * | 2007-09-11 | 2012-02-01 | 富士重工業株式会社 | Air-cooled engine cooling system |
| CN202468057U (en) * | 2012-03-16 | 2012-10-03 | 宁波市龙嘉摩托车有限公司 | Crank case |
| CN204041163U (en) * | 2014-08-22 | 2014-12-24 | 山东良子动力有限公司 | All-terrain vehicle engine crankcase air balance device |
| CN106855002B (en) * | 2015-12-09 | 2019-06-14 | 光阳工业股份有限公司 | Engine blows gas leakage mechanism |
| CN208793117U (en) * | 2018-07-30 | 2019-04-26 | 江门市唯天智能科技有限公司 | A kind of intelligent engine structure |
-
2019
- 2019-06-21 CN CN201920941396.8U patent/CN210317509U/en not_active Withdrawn - After Issue
- 2019-12-23 WO PCT/CN2019/127464 patent/WO2020253183A1/en not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020253183A1 (en) | 2020-12-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200414 Effective date of abandoning: 20200820 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200414 Effective date of abandoning: 20200820 |