CN203906114U - Main bearing cap of engine - Google Patents
Main bearing cap of engine Download PDFInfo
- Publication number
- CN203906114U CN203906114U CN201420371715.3U CN201420371715U CN203906114U CN 203906114 U CN203906114 U CN 203906114U CN 201420371715 U CN201420371715 U CN 201420371715U CN 203906114 U CN203906114 U CN 203906114U
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- Prior art keywords
- main bearing
- bearing cap
- bolts
- bolt
- engine
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Abstract
The utility model discloses a main bearing cap of an engine. Multiple semicircular holes are formed in the main bearing cap; side walls are formed on two sides of the semicircular holes. The main bearing cap is characterized in that main bearing cap primary bolts and main bearing cap secondary bolts are sequentially arranged on the side walls along the longitudinal direction; the main bearing cap primary bolts are close to the semicircular holes. The main bearing cap is connected to a cylinder body by adopting the main bearing cap primary bolts and the main bearing cap secondary bolts, which extend longitudinally, the number of the bolts is increased, the connecting force of the bolts is ensured, the diameter of each bolt is reduced, the transverse length of the engine can be effectively controlled by changing the mounting direction, and the suitability of the engine is improved simultaneously when the processing cost is maintained. In addition, the main bearing cap and a cylinder body reinforcing plate are fastened together by virtue of a connecting bolt, the main bearing cap and the cylinder body reinforcing plate are connected into a whole, and an effect of enhancing the rigidity of the cylinder body is achieved.
Description
Technical field
The utility model 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 utility model, 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.
Model utility content
The purpose of this utility model is to provide a kind of main bearing cap of motor, thereby has 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 utility model 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 utlity model has following beneficial effect:
The utility model 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 utility model.
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, embodiment of the present utility model is described in detail, but is to be understood that protection domain of the present utility model 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 utility model.
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 utility model embodiment, 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 utility model 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 utility model is in order to illustrate and the object of illustration.These descriptions not want the utility model 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 utility model and practical application thereof, thereby made those skilled in the art can realize and utilize various exemplary of the present utility model and various selection and change.Scope of the present utility model 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 |
|---|---|---|---|
| CN201420371715.3U CN203906114U (en) | 2014-07-07 | 2014-07-07 | Main bearing cap of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420371715.3U CN203906114U (en) | 2014-07-07 | 2014-07-07 | Main bearing cap of engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203906114U true CN203906114U (en) | 2014-10-29 |
Family
ID=51780402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420371715.3U Active CN203906114U (en) | 2014-07-07 | 2014-07-07 | Main bearing cap of engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203906114U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104047758A (en) * | 2014-07-07 | 2014-09-17 | 广西玉柴机器股份有限公司 | Main bearing cover of engine |
-
2014
- 2014-07-07 CN CN201420371715.3U patent/CN203906114U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104047758A (en) * | 2014-07-07 | 2014-09-17 | 广西玉柴机器股份有限公司 | Main bearing cover of engine |
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Legal Events
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |