CN203626955U - Connecting structure of oil inlet pipe of supercharger and engine body - Google Patents
Connecting structure of oil inlet pipe of supercharger and engine body Download PDFInfo
- Publication number
- CN203626955U CN203626955U CN201320649748.5U CN201320649748U CN203626955U CN 203626955 U CN203626955 U CN 203626955U CN 201320649748 U CN201320649748 U CN 201320649748U CN 203626955 U CN203626955 U CN 203626955U
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- inlet pipe
- oil inlet
- engine body
- mounting hole
- joint
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- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The utility model relates to a connecting structure of an oil inlet pipe of a supercharger and an engine body. The connecting structure is characterized by comprising a connector and a mounting hole formed in the engine body, the end of the oil inlet pipe is sleeved with the connector, and the connector is fixedly connected with the oil inlet pipe in a sealed mode; the connector is inserted in the mounting hole, and gap is reserved between the connector and the mounting hole; an O-type sealing ring is further installed between the connector and the mounting hole. The connecting structure further comprises a pressing plate, wherein the pressing plate is pressed on the rear end face of the connector and connected with the engine body through screws. Compared with the prior art, the connecting structure has the advantages that installation is simplified, the mounting difficulty is reduced, and the connecting structure is obtained just by inserting the connector into the mounting hole and fixing the pressing plate with the screws; the connector and the engine body are sealed through the sealing ring, sealing reliability is improved substantially, and leakage of lubricating oil is effectively prevented; in the mounting process, the oil inlet pipe will not be driven to rotate, and mounting stress generated when the oil inlet pipe warps is avoided.
Description
Technical field
The utility model relates to technical field of engines, particularly the linkage structure of sucker of supercharger and engine body.
Background technique
Pressurized machine is the key components and parts of motor, and its power and discharge to motor plays an important role.Lubricant oil flow in pressurized machine in engine oil channel by sucker of supercharger, and pressurized machine is lubricated, and has avoided the pressurized machine of working under High Temperature High Pressure to occur stuck, the faults such as bearing damage.At present, sucker of supercharger 2 is connected by joint 1a with engine body 3, referring to accompanying drawing 2.Concrete, one end of joint is connected by tapered thread with the body of motor, and its other end is provided with mounting hole and outside thread.Pier nose structure is made in the end of oil inlet pipe, by being connected with the outside thread locking of the joint the other end with inner conical surface locking nut 7, the pier nose part of oil inlet pipe is pressed in the mounting hole of joint, realize being tightly connected of oil inlet pipe and joint.There is the deficiency of the following aspects in the linkage structure of above-mentioned sucker of supercharger and engine body:
1, oil pipe pier nose and joint are linear sealing, and sealing is poor, are prone to oil leakage.
2, the amount of tightening of locking nut is had relatively high expectations, if when locking nut moment of torsion is less than specified value, can cause oil pipe pier nose and joint laminating not tight, cause leakage of oil, if when locking nut moment of torsion is greater than specified value, faying surface can be damaged by pressure, cause oil pipe or joint not to use by secondary, therefore the installation difficulty of oil inlet pipe is large.
3, in locking nut screwing process, can drive and then rotation of oil inlet pipe, after therefore tightening, can cause oil pipe distortion to produce stress is installed.
Summary of the invention
The utility model provides a kind of installation difficulty that reduces oil inlet pipe for solving the technical problem existing in known technology, improve sealing that oil inlet pipe is connected with body, avoid in installation process oil inlet pipe to occur the linkage structure of sucker of supercharger and the engine body of torsional deflection.
The technological scheme that the utility model is taked for the technical problem existing in solution known technology is:
A linkage structure for sucker of supercharger and engine body, is characterized in that: comprise joint, described joints sleeve is contained in the end of oil inlet pipe, and itself and oil inlet pipe sealing are connected; Comprise the mounting hole being located on engine body; Described joint is plugged in mounting hole, leaves gap between the two; O RunddichtringO is also installed between described joint and mounting hole; Described linkage structure also comprises pressing plate, and described pressing plate is pressed on the ear end face of joint, and it is connected with engine body by screw.
The technological scheme that the utility model can also be taked is:
Described joint is conical joint, and described mounting hole is cone type hole.
Advantage and the good effect that the utlity model has are:
Joint is directly weldingly fixed on oil inlet pipe end by this linkage structure, be called integrative-structure with oil inlet pipe, coordinate to realize being connected of oil inlet pipe and body by joint and the plug-in mounting of engine body, this linkage structure, than existing independent joint connecting structure, has advantages of as follows:
1, simplify installation, reduced installation difficulty, only joint need be inserted in mounting hole, be screwed pressing plate.
2, between joint and engine body, seal by O RunddichtringO, therefore increased substantially the reliability of sealing, effectively prevented the leakage of lubricant oil.
3,, because linkage structure is plug-in type structure, therefore, in installation process, can not drive oil inlet pipe rotation, avoid oil inlet pipe distortion and produced installation stress, in addition, after installation is fixing, also can be rotated adjusting to oil inlet pipe, to meet the installation needs of the oil inlet pipe the other end.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of prior art.
In figure: 1, joint; 11, annular groove; 1a, joint; 2, oil inlet pipe; 3, engine body; 31, mounting hole; 4, O RunddichtringO; 5, pressing plate; 6, screw; 7, locking nut.
Embodiment
For further understanding summary of the invention of the present utility model, Characteristic, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
Refer to Fig. 1, the linkage structure of a kind of sucker of supercharger and engine body, comprises joint 1, and described joints sleeve is contained in the end of oil inlet pipe 2, and itself and oil inlet pipe are sealed and are connected by welding manner.Comprise the mounting hole 31 being located on engine body 3.Described joint is plugged in mounting hole, leaves gap between the two.O RunddichtringO 4 is also installed between described joint and mounting hole, concrete, on the outer surface of joint, be provided with annular groove 11, described O RunddichtringO is placed in annular groove, and its effect is; Realize being tightly connected of joint and engine body.Described linkage structure also comprises pressing plate 5, and described pressing plate is pressed on the ear end face of joint, and it is connected with engine body by screw 6.Concrete, pressing plate movable set is on oil inlet pipe, and it is positioned at the position, rear end of joint.The shape of pressing plate is not limit, and it can adopt the shape of accompanying drawing, also can adopt circle or other shape.The effect of pressing plate is: the joint of oil inlet pipe end is pressed in the mounting hole of engine body, avoids joint to depart from mounting hole, and make O type circle between annular groove and the internal surface of mounting hole, produce extruding, form sealing.
In said structure, described joint can adopt the revolution shape such as cylindric, coniform, and in the utility model, described joint is preferably conical joint, and described mounting hole is round taper hole.Joint and engine body adopt tapered face fit structure, are convenient to when mounted O RunddichtringO and enter in mounting hole with joint, have reduced the fault such as trimming that causes O RunddichtringO because installing, and have further reduced the difficulty of the installation of oil inlet pipe simultaneously.
The installation process of this linkage structure is:
First O RunddichtringO is installed in the annular groove on joint; Then joint is inserted in the mounting hole of engine body, in the time that joint and mounting hole adopt tapered face fit structure, because O RunddichtringO diameter is less than the inlet diameter of mounting hole, therefore can easily joint be imported; Finally, be connected with the tapped hole on engine body through the mounting hole on pressing plate with screw, realize fixing of pressing plate.In above-mentioned installation process, first the front-end face of pressing plate fits with the ear end face of joint, joint is pressed in mounting hole, when after screw-driving, the front-end face of pressing plate tightly fits together with the corresponding end face of engine body, now O type circle produces extruding, forms sealing, installs thereby complete oil inlet pipe.
Claims (2)
1. a linkage structure for sucker of supercharger and engine body, is characterized in that: comprise joint, described joints sleeve is contained in the end of oil inlet pipe, and itself and oil inlet pipe sealing are connected; Comprise the mounting hole being located on engine body; Described joint is plugged in mounting hole, leaves gap between the two; O RunddichtringO is also installed between described joint and mounting hole; Described linkage structure also comprises pressing plate, and described pressing plate is pressed on the ear end face of joint, and it is connected with engine body by screw.
2. the linkage structure of sucker of supercharger according to claim 1 and engine body, is characterized in that: described joint is conical joint, and described mounting hole is cone type hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320649748.5U CN203626955U (en) | 2013-10-21 | 2013-10-21 | Connecting structure of oil inlet pipe of supercharger and engine body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320649748.5U CN203626955U (en) | 2013-10-21 | 2013-10-21 | Connecting structure of oil inlet pipe of supercharger and engine body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203626955U true CN203626955U (en) | 2014-06-04 |
Family
ID=50813442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320649748.5U Expired - Fee Related CN203626955U (en) | 2013-10-21 | 2013-10-21 | Connecting structure of oil inlet pipe of supercharger and engine body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203626955U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106870839A (en) * | 2016-12-27 | 2017-06-20 | 潍柴动力股份有限公司 | A kind of sucker of supercharger attachment structure and connection method |
| CN113983245A (en) * | 2021-10-26 | 2022-01-28 | 中国航发沈阳发动机研究所 | Engine joint mounting structure and mounting method thereof |
-
2013
- 2013-10-21 CN CN201320649748.5U patent/CN203626955U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106870839A (en) * | 2016-12-27 | 2017-06-20 | 潍柴动力股份有限公司 | A kind of sucker of supercharger attachment structure and connection method |
| CN113983245A (en) * | 2021-10-26 | 2022-01-28 | 中国航发沈阳发动机研究所 | Engine joint mounting structure and mounting method thereof |
| CN113983245B (en) * | 2021-10-26 | 2023-12-19 | 中国航发沈阳发动机研究所 | Engine joint mounting structure and mounting method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 300402 Beichen science and Technology Park, Beichen District, high tech Avenue, No. 77, No. Patentee after: TIANJIN LOVOL ENGINES CO.,LTD. Address before: 300402 Beichen science and Technology Park, Beichen District, high tech Avenue, No. 77, No. Patentee before: TIANJIN LOVOL ENGINES Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 Termination date: 20211021 |