CN104047758A - Main bearing cover of engine - Google Patents
Main bearing cover of engine Download PDFInfo
- Publication number
- CN104047758A CN104047758A CN201410319607.6A CN201410319607A CN104047758A CN 104047758 A CN104047758 A CN 104047758A CN 201410319607 A CN201410319607 A CN 201410319607A CN 104047758 A CN104047758 A CN 104047758A
- Authority
- CN
- China
- Prior art keywords
- main bearing
- bearing cap
- bearing cover
- bolt
- main
- 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.)
- Pending
Links
Abstract
The invention discloses a main bearing cover of an engine. A plurality of semicircular holes are formed in the main bearing cover. Side walls are formed on the two sides of each semicircular hole. The main bearing cover is characterized in that a main bearing cover main bolt and a main bearing cover auxiliary bolt are sequentially arranged on each side wall in the longitudinal direction, and each main bearing cover main bolt is close to the corresponding semicircular hole. The main bearing cover is connected to a cylinder body through the main bearing cover main bolts extending in the longitudinal direction and the main bearing cover auxiliary bolts extending in the longitudinal direction, the number of the bolts is increased, connecting force of the bolts is ensured, the diameter of the bolts is decreased, the transverse length of the engine can be effectively controlled by changing the installation direction, and therefore the adaptability of the engine is improved while machining cost is kept; in addition, the main bearing cover and an cylinder body reinforcing plate are fastened together through connecting bolts, the main bearing cover and the cylinder body reinforcing plate are combined into a whole, and the effect of enhancing the rigidity of the cylinder body is achieved.
Description
Technical field
The present invention relates to engine art, particularly a kind of main bearing cap of motor.
Background technique
The main bearing seat of the planer-type cylinder block of motor is provided with multiple semi-circular hole, after the docking of their semi-circular hole identical with the diameter arranging in main bearing cap, forms main bearing hole, main axle bush is installed, for the bent axle of stationary engine in main bearing hole.The Main bearing bolt that main bearing cap is arranged by the axis along its semi-circular hole (laterally) is mostly connected on the main bearing seat of cylinder block, and particular location is on the body of the main bearing cap between semi-circular hole.
For stressed larger main bearing cap, can strengthen the diameter of bolt of main bearing cap, in order to ensure the intensity of main bearing cap, need to strengthen the spacing of adjacent two semi-circular hole, so just strengthen the lateral length of motor, therefore motor needs larger installing space, causes its applicability to weaken.
For stressed larger main bearing cap, can also adopt the layback bolt of bolt of main bearing cap and longitudinally installation to cooperatively interact to strengthen the fixing of main bearing cap, main bearing cap and the main bearing seat of precision but such Placement is had relatively high expectations, cost of production is higher.
The information that is disclosed in this background technique part is only intended to increase the understanding to general background of the present invention, and should not be regarded as admitting or imply that in any form this information structure has been the known prior art of persons skilled in the art.
Summary of the invention
The object of the present invention is to provide a kind of main bearing cap of motor, thereby overcome the defect that size is large or cost of production is high of stressed larger main bearing cap.
For achieving the above object, the invention provides a kind of main bearing cap of motor, main bearing cap is provided with multiple semi-circular hole, the both sides of semi-circular hole form sidewall, it is characterized in that, the secondary bolt of main bearing cap kingbolt and main bearing cap is longitudinally installed on sidewall successively, and main bearing cap kingbolt is near semi-circular hole.
Preferably, in technique scheme, the diameter of main bearing cap kingbolt is less than the diameter of the secondary bolt of main bearing cap.
Preferably, in technique scheme, the bottom of the center of main bearing cap is provided with the terrace with edge of taper, and terrace with edge is fixedly connected with the cylinder block stiffening plate of main bearing cap below.
Preferably, in technique scheme, terrace with edge is fixedly connected with cylinder block stiffening plate by connecting bolt.
Compared with prior art, the present invention has following beneficial effect:
The present invention adopts the main bearing cap kingbolt of longitudinal extension and the secondary bolt of main bearing cap that main bearing cap is connected in cylinder block, the quantity of bolt increases to some extent, guarantee the connection power of bolt, and reduce the diameter of bolt, the simultaneously effectively lateral length of control engine of change of installation direction has improved the suitability of motor in maintenance processing cost; In addition, main bearing cap tightens together with cylinder block stiffening plate by connecting bolt, and main bearing cap and cylinder block stiffening plate are connected to an entirety, plays the effect of strengthening cylinder block rigidity.
Brief description of the drawings
Fig. 1 is the longitudinal sectional view under assembling condition according to the main bearing cap of motor of the present invention.
Main description of reference numerals:
1-cylinder block, the secondary bolt of 2-main bearing cap, 3-main bearing cap kingbolt, 4-main bearing cap, 41-semi-circular hole, 42-sidewall, 43-terrace with edge, 5-cylinder block stiffening plate, 6-connecting bolt.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail, but is to be understood that protection scope of the present invention is not subject to the restriction of embodiment.
Unless separately there is other clearly to represent, otherwise in whole specification and claims, term " comprises " or its conversion was stated being understood to include as " comprising " or " including " etc. element or constituent element, and do not get rid of other element or other constituent element.
The main bearing seat of motor is provided with multiple coaxial semi-circular hole, after the semi-circular hole docking identical with the diameter arranging in main bearing cap, form main bearing hole, main axle bush is installed in main bearing hole, for the bent axle of stationary engine, axially being defined as laterally of semi-circular hole, is defined as longitudinally perpendicular to the axial substantially horizontal of semi-circular hole.Fig. 1 shows main bearing cap and the longitudinal sectional view of cylinder block under assembling condition of motor of the present invention.
As shown in Figure 1, form sidewall 42 according to the both sides of the semi-circular hole 41 of the main bearing cap 4 of the motor of the specific embodiment of the invention, the bottom of the center of main bearing cap 4 is provided with the terrace with edge 43 of taper, and the bottom surface of terrace with edge 43 is plane.
As shown in Figure 1, at each semi-circular hole 41 places, on two sidewalls 42 of semi-circular hole 41, be separately installed with two bolts that extend longitudinally: the secondary bolt 2 of main bearing cap kingbolt 3 and main bearing cap, is fixed together main bearing cap 4 and cylinder block 1.Main bearing cap kingbolt 3 is near semi-circular hole 41, and the diameter of main bearing cap kingbolt 3 is greater than the diameter of the secondary bolt 2 of main bearing cap.With respect to the larger-diameter bolt of main bearing cap of prior art, the cooperation of the secondary bolt of main bearing cap kingbolt and main bearing cap is more stably fixed in cylinder block main bearing cap; And the secondary bolt of main bearing cap kingbolt and main bearing cap be longitudinally to arrange, without for the stressed lateral length that strengthens motor compared with large main bearing cap is installed, and longitudinally installation makes join strength higher, has reduced rate of fault.
Preferably, in cylinder block 1, the below of main bearing cap mounting point is provided with cylinder block stiffening plate 5, and cylinder block stiffening plate 5 is fixing with cylinder block 1.Preferably, the terrace with edge of main bearing cap 4 is fixing with cylinder block stiffening plate 5 by connecting bolt 6, by cylinder block stiffening plate, main bearing cap is arranged in cylinder block more firmly.
The present invention adopts the main bearing cap kingbolt of longitudinal extension and the secondary bolt of main bearing cap that main bearing cap is connected in cylinder block, the quantity of bolt increases to some extent, guarantee the connection power of bolt, and reduce the diameter of bolt, the simultaneously effectively lateral length of control engine of change of installation direction has improved the suitability of motor in maintenance processing cost; In addition, main bearing cap tightens together with cylinder block stiffening plate by connecting bolt, and main bearing cap and cylinder block stiffening plate are connected to an entirety, plays the effect of strengthening cylinder block rigidity.
The aforementioned description to concrete exemplary of the present invention is in order to illustrate and the object of illustration.These descriptions not want the present invention to be defined as disclosed precise forms, and obviously, according to above-mentioned instruction, can much change and change.Exemplary embodiment is selected and the object described is to explain certain principles of the present invention and practical application thereof, thereby made those skilled in the art can realize and utilize various exemplary of the present invention and various selection and change.Scope of the present invention is intended to be limited by claims and equivalents thereof.
Claims (4)
1. the main bearing cap of a motor, described main bearing cap is provided with multiple semi-circular hole, the both sides of described semi-circular hole form sidewall, it is characterized in that, the secondary bolt of main bearing cap kingbolt and main bearing cap is longitudinally installed on described sidewall successively, and described main bearing cap kingbolt is near described semi-circular hole.
2. the main bearing cap of motor according to claim 1, is characterized in that, the diameter of described main bearing cap kingbolt is less than the diameter of the secondary bolt of described main bearing cap.
3. the main bearing cap of motor according to claim 1 and 2, is characterized in that, the bottom of the center of described main bearing cap is provided with the terrace with edge of taper, and described terrace with edge is fixedly connected with the cylinder block stiffening plate of described main bearing cap below.
4. the main bearing cap of motor according to claim 3, is characterized in that, described terrace with edge is fixedly connected with cylinder block stiffening plate by connecting bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410319607.6A CN104047758A (en) | 2014-07-07 | 2014-07-07 | Main bearing cover of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410319607.6A CN104047758A (en) | 2014-07-07 | 2014-07-07 | Main bearing cover of engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104047758A true CN104047758A (en) | 2014-09-17 |
Family
ID=51501059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410319607.6A Pending CN104047758A (en) | 2014-07-07 | 2014-07-07 | Main bearing cover of engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104047758A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106870198A (en) * | 2017-04-18 | 2017-06-20 | 山河智能装备股份有限公司 | A kind of crankshaft main bearing lid and aviation piston engine |
| CN112502807A (en) * | 2020-11-26 | 2021-03-16 | 奇瑞汽车股份有限公司 | Engine and vehicle |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4753201A (en) * | 1984-12-06 | 1988-06-28 | Honda Giken Kogyo Kabushiki Kaisha | Crankshaft supporting structure for multicylinder internal combustion engines |
| US4911118A (en) * | 1988-04-05 | 1990-03-27 | Mazda Motor Corporation | Cylinder block reinforcement construction for engine |
| JPH02223656A (en) * | 1988-11-09 | 1990-09-06 | Mazda Motor Corp | Reinforcing member for engine |
| JPH05321760A (en) * | 1991-08-29 | 1993-12-07 | Mazda Motor Corp | Engine cylinder block structure |
| KR20010066002A (en) * | 1999-12-31 | 2001-07-11 | 이계안 | Bed plate apparatus for cylinder block |
| CN2856560Y (en) * | 2005-11-23 | 2007-01-10 | 比亚迪股份有限公司 | Main bearing cap and a cylinder |
| CN104005872A (en) * | 2014-06-09 | 2014-08-27 | 广西玉柴机器股份有限公司 | V-shaped cylinder body reinforcing plate for engine |
| CN203847262U (en) * | 2014-06-09 | 2014-09-24 | 广西玉柴机器股份有限公司 | V engine cylinder block stiffening plate |
| CN203906114U (en) * | 2014-07-07 | 2014-10-29 | 广西玉柴机器股份有限公司 | Main bearing cap of engine |
-
2014
- 2014-07-07 CN CN201410319607.6A patent/CN104047758A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4753201A (en) * | 1984-12-06 | 1988-06-28 | Honda Giken Kogyo Kabushiki Kaisha | Crankshaft supporting structure for multicylinder internal combustion engines |
| US4911118A (en) * | 1988-04-05 | 1990-03-27 | Mazda Motor Corporation | Cylinder block reinforcement construction for engine |
| JPH02223656A (en) * | 1988-11-09 | 1990-09-06 | Mazda Motor Corp | Reinforcing member for engine |
| JPH05321760A (en) * | 1991-08-29 | 1993-12-07 | Mazda Motor Corp | Engine cylinder block structure |
| KR20010066002A (en) * | 1999-12-31 | 2001-07-11 | 이계안 | Bed plate apparatus for cylinder block |
| CN2856560Y (en) * | 2005-11-23 | 2007-01-10 | 比亚迪股份有限公司 | Main bearing cap and a cylinder |
| CN104005872A (en) * | 2014-06-09 | 2014-08-27 | 广西玉柴机器股份有限公司 | V-shaped cylinder body reinforcing plate for engine |
| CN203847262U (en) * | 2014-06-09 | 2014-09-24 | 广西玉柴机器股份有限公司 | V engine cylinder block stiffening plate |
| CN203906114U (en) * | 2014-07-07 | 2014-10-29 | 广西玉柴机器股份有限公司 | Main bearing cap of engine |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106870198A (en) * | 2017-04-18 | 2017-06-20 | 山河智能装备股份有限公司 | A kind of crankshaft main bearing lid and aviation piston engine |
| CN112502807A (en) * | 2020-11-26 | 2021-03-16 | 奇瑞汽车股份有限公司 | Engine and vehicle |
| CN112502807B (en) * | 2020-11-26 | 2022-03-11 | 奇瑞汽车股份有限公司 | Engine and vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205185833U (en) | Light -duty pure [electric] motor coach power battery's installing support | |
| CN106628201A (en) | Unmanned plane capable of adapting different taking-off and landing modes and different mission loads by replacing multiple power combinations | |
| CN104047758A (en) | Main bearing cover of engine | |
| CN103786788A (en) | Automobile front auxiliary frame and corresponding automobile | |
| CN202491640U (en) | Suspension spherical shell | |
| CN203906114U (en) | Main bearing cap of engine | |
| CN107834461B (en) | Cable bracket and manufacturing process | |
| CN201908934U (en) | Swirl-prevention hub bolt and nut for vehicles | |
| CN203543629U (en) | Engine support | |
| CN103895716B (en) | A kind of automobile rear floor reinforced support | |
| CN102384168A (en) | Flange-free bearing seat | |
| CN201980039U (en) | Balanced suspension for four U-bolts of heavy truck | |
| CN205131385U (en) | Car and crossbeam structure thereof | |
| CN204432764U (en) | A kind of Novel steering joint and driving crane span structure | |
| CN202413924U (en) | Frame cross member assembly for heavy automobile | |
| CN204037342U (en) | Change-speed box cable support and vehicle | |
| CN202399852U (en) | Combined bracket for front suspension of heavy-duty automobile | |
| CN205089389U (en) | Camshaft bearing lid, engine and vehicle | |
| CN105151003A (en) | Wiper motor system assembly structure | |
| CN203401937U (en) | Engine support | |
| CN203856578U (en) | Electronic-control engine and wiring harness assembly thereof | |
| CN203958303U (en) | The T-shaped cantilever hanging of web cavate supporting construction | |
| CN203547917U (en) | Engine lifting structure | |
| CN203920427U (en) | Multiple bay | |
| CN205239690U (en) | Link in snowmobile transmission portion |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140917 |