CN206617204U - A kind of return line mounting structure and automobile - Google Patents
A kind of return line mounting structure and automobile Download PDFInfo
- Publication number
- CN206617204U CN206617204U CN201720373581.2U CN201720373581U CN206617204U CN 206617204 U CN206617204 U CN 206617204U CN 201720373581 U CN201720373581 U CN 201720373581U CN 206617204 U CN206617204 U CN 206617204U
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- China
- Prior art keywords
- cylinder
- return pipe
- oil return
- return line
- mounting structure
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Abstract
The utility model discloses a kind of return line mounting structure and automobile, including oil return pipe, one end of the oil return pipe is connected with cylinder；An annular concave platform is provided with the cylinder body that cylinder is connected with oil return pipe, one end that oil return pipe is connected with cylinder is conical structure；Wherein, the return line mounting structure also includes：Sealing nut, is sheathed on outside oil return pipe, and oil return pipe is connect by sealing nut with cylinders；And, sealing ring is arranged between sealing nut and cylinder, and is sheathed on outside conical structure, and the surface that sealing ring is in contact with conical structure is circular conical surface.Oil return pipe is connected by return line mounting structure and automobile of the present utility model, the mutual cooperation by annular concave platform and conical structure of its return line mounting structure with cylinder, simple in construction, it is easy to install；Further by the effect of sealing nut and sealing ring, the junction between oil return pipe and cylinder is sealed, return line oil leak is prevented.
Description
Technical field
The utility model is related to automobile assembling field, more particularly to a kind of return line mounting structure and automobile.
Background technology
In Vehicle Turbocharged engine, in order to lubricate and cool down connecting shaft, it is necessary to set machine oil oil inlet pipe and machine oil oil return
Pipe.Wherein, return line one end is connected on booster, and the other end is generally connected on cylinder block crankshaft case wall.In order to ensure
Machine oil recirculating oil quantity, it is relatively thick that oil return pipe is commonly designed, as depicted in figs. 1 and 2, frequently by threeway spiral shell between oil return pipe and cylinder body
Line joint is connected, and is sealed between nipple and pipeline body by gasket seal, it is to avoid lubricating oil leakage.
But, due to needing to install gasket seal, easy neglected loading during assembling, in addition, gasket seal when oil return pipe is installed
It is again smaller, easily stopped after installation by nipple and pipeline body, it is not easy to discover whether neglected loading, when causing the engine to run
Oil leak.In addition, three-way connection upper and lower surfaces are required to sealing, oil leak risk is added.
On the other hand, because oil return pipe is arranged on booster, booster is arranged on exhaust manifold, and exhaust manifold is pacified again
On cylinder cap, cylinder cap is assembled again with cylinder body, because each part inevitably has mismachining tolerance, oil return pipe and cylinder
Error accumulation occurs when being assembled between body, causes the screw thread of threeway nipple during initial assembling to be not easy and the spiral shell on cylinder body
Line joint coordinates, and assembling is difficult.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides a kind of return line mounting structure and automobile, solves
Return line assembling is difficult in the prior art, and the problem of easily produce oil leak risk.
According to one side of the present utility model, there is provided a kind of return line mounting structure, including oil return pipe, the oil return
One end of pipe is connected with cylinder；An annular concave platform is provided with the cylinder body that cylinder is connected with oil return pipe, oil return pipe is connected with cylinder
One end be conical structure；Wherein, the return line mounting structure also includes：
Sealing nut, is sheathed on outside oil return pipe, and oil return pipe is connect by sealing nut with cylinders；And,
Sealing ring, is arranged between sealing nut and cylinder, and is sheathed on outside conical structure, sealing ring and cone
The surface that structure is in contact is circular conical surface.
Alternatively, the edge of conical structure is additionally provided with an annular turnup structure, annular turnup structure and annular concave platform
It is in contact.
Alternatively, it is provided with the helicitic texture matched with sealing nut on the side wall of annular concave platform.
Alternatively, the surface that sealing nut is in contact with sealing ring is sphere.
Alternatively, the surface that sealing ring is in contact with sealing nut is sphere.
Alternatively, conical structure is to extend out conical structure.
According to another aspect of the present utility model, a kind of automobile, including return line as described above peace are additionally provided
Assembling structure.
The beneficial effect of embodiment of the present utility model is：, will by the mutual cooperation of annular concave platform and conical structure
Oil return pipe is connected with cylinder, simple in construction, it is easy to installed；Further by the effect of sealing nut and sealing ring, by oil return pipe
Junction sealing between cylinder, prevents return line oil leak.
Brief description of the drawings
Fig. 1 represents the structural representation of return line mounting structure of the prior art；
Fig. 2 represents the cross-sectional view of return line mounting structure of the prior art；
Fig. 3 represents the structural representation of return line mounting structure of the present utility model；
Fig. 4 represents the mplifying structure schematic diagram of a-quadrant in Fig. 3；
Fig. 5 represents the fit structure schematic diagram of oil return pipe of the present utility model and sealing nut.
Wherein in figure：1st, oil return pipe, 2, cylinder, 3, sealing nut, 4, sealing ring；
11st, conical structure, 12, annular turnup structure；
21st, cylinder body, 22, annular concave platform.
Embodiment
Exemplary embodiment of the present utility model is more fully described below with reference to accompanying drawings.Although showing this in accompanying drawing
The exemplary embodiment of utility model, it being understood, however, that may be realized in various forms the utility model without should be by here
The embodiment of elaboration is limited.Conversely it is able to be best understood from the utility model, and energy there is provided these embodiments
It is enough by scope of the present utility model completely convey to those skilled in the art.
As shown in Figures 3 to 5, embodiment of the present utility model provides a kind of return line mounting structure, including：Oil return
Pipe 1, one end of oil return pipe 1 is connected with cylinder 2.Wherein, an annular is provided with the cylinder body 21 that cylinder 2 is connected with oil return pipe 1
Concave station 22, one end that oil return pipe 1 is connected with cylinder 2 is conical structure 11.
In the prior art, oil return pipe is arranged on booster, and booster is arranged on exhaust manifold, and exhaust manifold is installed again
On the cylinder cap of cylinder, cylinder cap is assembled again with cylinder body, because each part inevitably has mismachining tolerance, oil return pipe
Error accumulation occurs when being assembled between cylinder body, cause the joint of oil return pipe during initial assembling screw thread be not easy with cylinder body
Nipple coordinate, cause assembling difficult.And oil return pipe 1 directly passes through a circular cone with cylinder 2 in the utility model embodiment
Shape structure 11 is engaged to realize the connection of oil return pipe 1 and cylinder 2 with annular concave platform 22, reduces the cloth of intermediate connector part
Put, it is simple in construction to be easily installed, and further avoid the rigging error produced by being connected with each other because of multiple parts.
As shown in figure 3, the return line mounting structure is still further comprised：Sealing nut 3 and sealing ring 4.Wherein, seal
Nut 3 is sheathed on the outside of oil return pipe 1, and oil return pipe 1 is connected by the sealing nut 3 with cylinder 2.Specifically, sealing nut 3
It is set on the outside of oil return pipe 1, the cylinder body 21 of cylinder 2 and is provided with an annular concave platform 22, passes through sealing nut 3 and annular concave platform
22 cooperation, the conical structure 11 of oil return pipe 1 is fixed in the annular concave platform 22, the company of oil return pipe 1 and cylinder 2 is realized
Connect.Further, sealing ring 4 is arranged between sealing nut 3 and cylinder 2, and is sheathed on outside the conical structure 11 of oil return pipe 1
Portion, to realize the sealing connected between oil return pipe 1 and cylinder 2.
The phase interworking by annular concave platform and conical structure of the return line mounting structure of the utility model embodiment
Close, oil return pipe is connected with cylinder, it is simple in construction, it is easy to install；Further by the effect of sealing nut and sealing ring, it will return
Junction sealing between oil pipe and cylinder, prevents return line oil leak.
Alternatively, as shown in Figure 3 and Figure 4, the edge of conical structure 11 is additionally provided with an annular turnup structure 12, is returning
When oil pipe 1 is connected with cylinder 2, the annular turnup structure 12 is in contact with annular concave platform 22.The annular turnup structure 12 1 is set
Aspect can increase the contact area of oil return pipe 1 and cylinder 2 in the direction parallel to annular concave platform 22, on the other hand may also function as pair
Sealing function between oil return pipe 1 and cylinder 2.
Alternatively, as shown in Figure 3 and Figure 4, it is provided with the screw thread matched with sealing nut 3 on the side wall of annular concave platform 22
Structure.I.e. sealing nut 3 is bolted on the annular concave platform 22 of cylinder 2.Assembled by screw connection manner, it is possible to decrease oil return pipe 1
With the assembly difficulty between cylinder 2.
Alternatively, as shown in figure 4, the surface that is in contact with sealing ring 4 of sealing nut 3 for sphere, i.e. sealing nut 3 with it is close
The inner surface that seal 4 is in contact is sphere.Further, the surface that sealing ring 4 is in contact with sealing nut 3 is sphere, i.e., close
The outer surface that seal 4 is in contact with sealing nut is sphere.So, the sphere of sealing nut 3 connects with the sphere of sealing ring 4
Touch, in addition to it preferably can play sealing effectiveness, can also be further advanced by extruding or the counteracting annular that extends of sphere and sphere
Rigging error between concave station 22 and conical structure 11.
Alternatively, as shown in figure 4, being brought into close contact for real sealing ring 4 and oil return pipe 1, sealing ring 4 and oil return pipe 1
The inner surface that conical structure 11 is in contact may be configured as circular conical surface.Wherein, conical structure 11 is extends out conical structure, also
It can be described as extending out flared structure.
To sum up, when carrying out the installation between oil return pipe 1 and cylinder 2, it is in contact due to sealing ring 4 and sealing nut 3
Face is spherical, and sealing nut 3 can carry out micro rotation without influenceing sealing around the centre of sphere of sealing ring 4, and the screw thread of sealing nut 3 holds
Easily it is engaged with the screw thread on annular concave platform 22, assembling is simple.In addition, when sealing nut 3 continues to screw in annular concave platform 22, sealing
Nut 3 fits with sealing ring 4, and the conical structure 11 of sealing ring 4 and oil return pipe 1 fits, the annular of conical structure 11
The bottom surface of turnup structure 12 and annular concave platform 22 fits, and realizes final sealing, prevents return line oil leak.
According to another aspect of the utility model embodiment, a kind of automobile, including oil return as described above are additionally provided
Mounting structure for pipeline.It is worthy of note that, the automobile of the utility model embodiment is relative with above-mentioned return line mounting structure
It is new that the automobile answered, the embodiment of above-mentioned return line mounting structure and the technique effect reached are applied to this practicality
In the return line mounting structure of type, by the mutual cooperation of annular concave platform and conical structure, oil return pipe is connected with cylinder,
It is simple in construction, it is easy to install；Further by the effect of sealing nut and sealing ring, by the junction between oil return pipe and cylinder
Sealing, prevents return line oil leak.
Above-described is preferred embodiment of the present utility model, it should be pointed out that for the ordinary person of the art
For, some improvements and modifications can also be made under the premise of principle described in the utility model is not departed from, these improve and moistened
Decorations are also in protection domain of the present utility model.
Claims (7)
1. a kind of return line mounting structure, including oil return pipe (1), one end of the oil return pipe (1) are connected with cylinder (2)；Its
It is characterised by, an annular concave platform (22) is provided with the cylinder body (21) that the cylinder (2) is connected with the oil return pipe (1), it is described
One end that oil return pipe (1) is connected with the cylinder (2) is conical structure (11)；Wherein, the return line mounting structure is also
Including：
Sealing nut (3), is sheathed on the oil return pipe (1) outside, and the oil return pipe (1) passes through the sealing nut (3) and institute
Cylinder (2) is stated to be connected；And,
Sealing ring (4), is arranged between the sealing nut (3) and the cylinder (2), and be sheathed on the conical structure
(11) outside, the surface that the sealing ring (4) is in contact with the conical structure (11) is circular conical surface.
2. return line mounting structure according to claim 1, it is characterised in that the edge of the conical structure (11)
An annular turnup structure (12) is additionally provided with, the annular turnup structure (12) is in contact with the annular concave platform (22).
3. return line mounting structure according to claim 1, it is characterised in that on the side wall of the annular concave platform (22)
It is provided with the helicitic texture matched with the sealing nut (3).
4. return line mounting structure according to claim 1, it is characterised in that the sealing nut (3) with it is described close
The surface that seal (4) is in contact is sphere.
5. return line mounting structure according to claim 1, it is characterised in that the sealing ring (4) and the sealing
The surface that nut (3) is in contact is sphere.
6. return line mounting structure according to claim 1, it is characterised in that the conical structure (11) is to extend out
Conical structure.
7. a kind of automobile, it is characterised in that including the return line mounting structure as described in any one of claim 1~6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720373581.2U CN206617204U (en) | 2017-04-11 | 2017-04-11 | A kind of return line mounting structure and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720373581.2U CN206617204U (en) | 2017-04-11 | 2017-04-11 | A kind of return line mounting structure and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206617204U true CN206617204U (en) | 2017-11-07 |
Family
ID=60236064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720373581.2U Active CN206617204U (en) | 2017-04-11 | 2017-04-11 | A kind of return line mounting structure and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206617204U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139238A (en) * | 2018-08-15 | 2019-01-04 | 宁波福士汽车部件有限公司 | A kind of oil return line of turbocharger |
| FR3089591A1 (en) * | 2018-12-11 | 2020-06-12 | Renault S.A.S. | Protection device for a pipe |
-
2017
- 2017-04-11 CN CN201720373581.2U patent/CN206617204U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139238A (en) * | 2018-08-15 | 2019-01-04 | 宁波福士汽车部件有限公司 | A kind of oil return line of turbocharger |
| FR3089591A1 (en) * | 2018-12-11 | 2020-06-12 | Renault S.A.S. | Protection device for a pipe |
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