CN215258401U - Sealed pipeline connection structure and vehicle - Google Patents
Sealed pipeline connection structure and vehicle Download PDFInfo
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- CN215258401U CN215258401U CN202121127073.9U CN202121127073U CN215258401U CN 215258401 U CN215258401 U CN 215258401U CN 202121127073 U CN202121127073 U CN 202121127073U CN 215258401 U CN215258401 U CN 215258401U
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Abstract
The utility model provides a sealed pipeline connecting structure and vehicle, sealed pipeline connecting structure includes first joint, second joint and locking part, the first joint at least part can insert in the second joint, and the two can be in the axial relative movement, the locking part can make the first joint can't deviate from the second joint; the first joint is also provided with a sealing part which can keep the first joint and the second joint sealed after the first joint is inserted into the second joint. By adopting the structure, the first joint and the second joint are flexible when connected, have compensation tolerance in the axial direction, and can still be reliably connected and kept sealed when the joint of the intercooler air inlet pipe and the adjacent connecting pipeline is staggered, so that the intercooler air inlet pipe is normally assembled.
Description
Technical Field
The utility model relates to a vehicle engine technical field, concretely relates to sealed pipeline connection structure and vehicle.
Background
The intercooler intake pipe of car is the connecting tube between intercooler and the engine booster, and the engine booster can be with air pressurization, makes the air pressure in the connecting tube improve with the temperature by a wide margin, has higher requirement to connecting tube's leakproofness and high temperature resistance.
The intercooler intake pipe among the prior art adopts heat resistance plastics or rubber to make usually, has good leakproofness and high temperature resistance, but its flexibility is lower, and precision requirement is higher when being connected with adjacent pipeline, leads to it to change wearing and tearing and lead to leaking, and the maintenance degree of difficulty is great. Moreover, when the intercooler air inlet pipe is assembled, the joint of the adjacent connecting pipelines may be staggered, so that the intercooler air inlet pipe with low flexibility cannot be installed, and the intercooler and the engine supercharger cannot be reliably connected.
Therefore, how to provide a connection structure capable of enabling an intercooler intake pipe to be normally assembled is a technical problem to be urgently solved by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a connection structure that can make the normal assembly of intercooler intake pipe.
In order to solve the technical problem, the utility model provides a sealed pipeline connecting structure, which comprises a first joint, a second joint and a locking part, wherein at least part of the first joint can be inserted into the second joint, and the first joint and the second joint can move relatively in the axial direction, and the locking part can prevent the first joint from being separated from the second joint; the first joint is also provided with a sealing part which can keep the first joint and the second joint sealed after the first joint is inserted into the second joint.
By adopting the structure, the first joint and the second joint are flexible when connected, have compensation tolerance in the axial direction, and can still be reliably connected and kept sealed when the joint of the intercooler air inlet pipe and the adjacent connecting pipeline is staggered, so that the intercooler air inlet pipe is normally assembled.
Optionally, the sealing portion is a sealing ring, a clamping groove is formed in the front end of the first connector, and the sealing ring is arranged in the clamping groove.
Optionally, a gap is left between the outer edge of the clamping groove and the inner wall of the second joint, and the outer side of the sealing ring protrudes out of the clamping groove and can be in contact with the inner wall of the second joint, so that the sealing ring and the clamping groove are kept sealed.
Optionally, the locking portion is a locking snap ring, the outer wall of the front end of the first joint is a frustum, the locking snap ring can be clamped into the rear end of the second joint, the first joint and the second joint, and the frustum is abutted to enable the frustum to be incapable of being disengaged from the second joint.
Optionally, the second connects rear end inner wall circumference outstanding to be provided with a plurality of fixture blocks, the locking snap ring corresponds and is provided with a plurality of jack catchs, the jack catch can the joint in the fixture block.
Optionally, the rear end of the locking snap ring is provided with a limiting ring, and the limiting ring can be abutted to the tail end of the second joint.
Optionally, the inner wall of the front end of the second joint is provided with a step surface, and the step surface can be abutted against the front end of the first joint to limit the first joint.
The utility model also provides a vehicle, the pipeline between intercooler intake pipe and the engine booster is connected through sealed pipeline connection structure, sealed pipeline connection structure is the sealed pipeline connection structure of above-mentioned description.
Drawings
Fig. 1 is a schematic sectional view of a sealed pipeline connection structure provided in an embodiment of the present invention during assembly;
fig. 2 is a cross-sectional exploded view of the sealed piping connection structure of fig. 1.
The reference numerals in fig. 1-2 are illustrated as follows:
the sealing device comprises a first connector 1, a clamping groove 11, a frustum 12, a second connector 2, a clamping block 21, a step surface 22, a locking clamping ring 3, a clamping jaw 31, a limiting ring 32 and a sealing ring 4.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1-2, fig. 1 is a schematic structural view of a sealing pipeline connection structure according to an embodiment of the present invention during assembly; fig. 2 is an exploded view of the sealed pipe connection structure of fig. 1.
The embodiment of the utility model provides a sealed pipeline connection structure for two sealed pipelines of butt joint, this embodiment includes first joint 1, second joint 2 and locking portion, and first joint 1 is at least partly can insert the inside of second joint 2, and the two can be in the axial relative motion, and locking portion can make first joint 1 can not deviate from second joint 2; the first joint 1 is further provided with a seal portion capable of keeping the first joint 1 sealed after the first joint is inserted into the second joint 2.
By adopting the structure, the first joint 1 and the second joint 2 have certain flexibility when being connected, and have compensation tolerance in the axial direction, namely, the first joint and the second joint can move relatively in the axial direction to adapt to the dislocation between two butted sealing pipelines; when the dislocation exists in the joint of intercooler intake pipe and adjacent connecting pipeline, can dock the two through this embodiment, the intercooler intake pipe just can reliably be connected and keep sealed with adjacent connecting pipeline, makes the normal assembly of intercooler intake pipe.
Specifically, as shown in fig. 1, the first joint 1 and the second joint 2 are both circular tube structures, the diameter of the first joint 1 is smaller than that of the second joint 2, the first joint 1 and the second joint 2 are arranged between the intercooler air inlet pipe and the adjacent connecting pipeline, namely, one of the first joint and the second joint is connected with the tail end of the intercooler air inlet pipe or integrally formed, and the other of the first joint and the second joint is connected with the front end of the adjacent connecting pipeline or integrally formed. Wherein the front end refers to the side close to the intercooler, i.e. the left side in fig. 1, and the rear end or end refers to the side far from the intercooler, i.e. the right side in fig. 1.
During assembly, at least part of the front end of the first joint 1 is inserted into the second joint 2, the first joint 1 is limited by the locking part and cannot be separated from the second joint 2, and in the state, the first joint 1 can still axially slide in the second joint 2 to absorb installation errors between the intercooler air inlet pipe and the adjacent connecting pipeline and reduce the precision requirement of the intercooler air inlet pipe and the adjacent connecting pipeline on a connecting part during design and manufacture. In this embodiment, after the first connector 1 is limited by the locking part, the axial slidable distance is ± 5 mm.
In this embodiment, the sealing portion is a sealing ring 4, the front end of the first connector 1 is provided with a clamping groove 11, and the sealing ring 4 is arranged in the clamping groove 11.
Referring to fig. 1, a clamping groove 11 is formed in an outer wall of a front end of the first joint 1, the sealing ring 4 is in an annular structure, the front side wall and the rear side wall of the clamping groove 11 limit the sealing ring 4 between the front end and the rear end, when the first joint 1 moves axially, the clamping groove 11 drives the sealing ring 4 to move along with the axial movement, and the first joint 1 and the second joint 2 can be sealed all the time.
It can be understood that the sealing portion may also be other structures than the sealing ring 4, as long as it can move along with the first joint 1, and make the first joint 1 and the second joint 2 always keep sealing, and the utility model discloses do not limit this.
In this embodiment, a gap is left between the outer edge of the clamping groove 11 and the inner wall of the second joint 2, that is, a gap is left between the outer wall of the first joint 1 and the inner wall of the second joint 2, and the outer side of the sealing ring 4 protrudes out of the clamping groove 11 and can contact with the inner wall of the second joint 2, so that the two are kept sealed.
The outer side of the seal ring 4 is a direction away from the axis of the first joint 1 and a direction close to the inner wall of the second joint 2. Specifically, as shown in fig. 1, the diameter of the sealing ring 4 is larger than the depth of the locking groove 11, that is, the outer side of the sealing ring 4 can protrude out of the locking groove 11 and abut against the inner wall of the second joint 2, so that the first joint 1 and the second joint 2 are kept sealed.
It should be noted that the clearance size between the outer edge of draw-in groove 11 and the inner wall that the second connects 2 should be moderate, along with the clearance increase, for guaranteeing that first joint 1 and second connect 2 between sealed, just also need increase for sealing washer 4, just can lead to the fatigue strength of sealing washer 4 to accelerate the consumption, and the life-span reduces, is unfavorable for overall structure's permanent use.
In this embodiment, the sealing ring 4 has certain elasticity, and the clamping groove 11 can extrude the sealing ring 4 to one side until the outer wall of the first joint 1 on the side contacts with the inner wall of the second joint 2. So set up, first joint 1 alright connect 2 inside radial oscillations at the second, can further adapt to the installation error that probably exists between intercooler intake pipe and the adjacent connecting tube, further reduce the installation accuracy requirement between intercooler intake pipe and the adjacent connecting tube.
In addition, vibration is generated in the running process of the engine and transmitted along with the connecting pipeline, so that the fatigue strength of the connecting pipeline and the joint of the adjacent connecting pipeline is continuously reduced, and the connecting pipeline is easier to damage. In this embodiment, because the sealing ring 4 is located between the first joint 1 and the second joint 2, the first joint 1 is indirectly connected with the second joint 2 through the sealing ring 4, when vibration is transmitted from the first joint 1 or the second joint 2 to the sealing ring 4, the first joint and the second joint can swing together with the sealing ring 4 in the radial direction, the sealing ring 4 can absorb vibration in the radial swing range by means of elasticity of the sealing ring 4, so that the vibration is reduced, the effect of reducing the vibration of an engine is achieved, meanwhile, the fatigue strength of a connecting pipeline and the joint of an adjacent connecting pipeline is improved, and the service life of the connecting pipeline is prolonged.
In addition, the sealing ring 4 is only installed on the first connector 1 through the clamping groove 11, when maintenance is carried out, if the fatigue strength of the sealing ring 4 is exhausted, the sealing effect cannot be achieved, the sealing ring can be directly disassembled and replaced by a new sealing ring 4, the whole disassembling and installing process is fast and convenient, and the maintenance of the whole structure is facilitated.
In this embodiment, the locking portion is a locking snap ring 3, the outer wall of the front end of the first joint 1 is a frustum 12, the locking snap ring 3 can be clamped into the rear end of the second joint 2, and between the first joint 1 and the second joint 2, and the frustum 12 is abutted to prevent the second joint 2 from being disengaged.
Referring to fig. 1, the outer wall of the front end of the first joint 1 is provided with a frustum 12, the diameter of the outer wall of the frustum is larger than the diameter of the rear end of the first joint 1, and the diameter of the outer wall of the rear end is uniformly reduced, after the first joint 1 is inserted into the second joint 2, the locking snap ring 3 is clamped into the rear end of the second joint 2, and the diameter of the inner side of the front end of the locking snap ring 3 is smaller than the diameter of the outer wall of the frustum 12, so that when the first joint 1 slides to a certain distance from the rear end, the frustum 12 abuts against the locking snap ring 3, the first joint 1 cannot slide to the rear end, and the first joint 1 cannot be separated from the second joint 2.
Specifically, the second connects 2 rear end inner walls circumference protrudingly to be provided with a plurality of fixture blocks 21, and locking snap ring 3 corresponds and is provided with a plurality of jack catchs 31, and jack catch 31 can joint in fixture block 21.
Referring to fig. 2, the plurality of clamping blocks 21 are uniformly disposed on the inner wall of the rear end of the second joint 2, the locking snap ring 3 is an annular structure, the front end of the locking snap ring is correspondingly provided with a plurality of clamping jaws 31, the locking snap ring 3 is inserted into the rear end of the second joint 2, each clamping jaw 31 can be clamped with the corresponding clamping block 21, and the locking snap ring 3 is limited at the tail end of the second joint 2 to limit the first joint 1.
The rear end of the locking snap ring 3 in this embodiment is further provided with a limiting ring 32, and the limiting ring 32 can be abutted to the tail end of the second joint 2. So set up, spacing ring 32 can cooperate with jack catch 31, spacing in the end of second joint 2 with locking snap ring 3, and it is relatively fixed to keep with second joint 2.
In addition, the locking snap ring 3 needs to have certain elasticity to be installed at the rear end of the first connector 1, and in the embodiment, the locking snap ring 3 is made of plastic, so that the cost is low and the manufacturing is convenient. Locking snap ring 3 can be the rear end of preassembleing in first joint 1, also can be when the installation through corresponding frock etc. install in the rear end of first joint 1, the utility model discloses do not injectd this. When maintaining the sealed pipeline connection structure, locking snap ring 3 can directly be dismantled to make first joint 1 deviate from second joint 2 is inside.
It can be understood that the locking portion may also be other structures besides the locking snap ring 3, as long as it can limit the first joint 1, and does not influence the sliding of the first joint 1 in the axial direction, the utility model discloses do not limit to this.
In this embodiment, a step surface 22 is provided on the inner wall of the front end of the second joint 2, and the step surface 22 can abut against the front end of the first joint 1 to limit the first joint 1. With this arrangement, the depth of insertion of the first joint 1 into the second joint 2 can be limited, and the axial sliding space of the first joint 1 is limited between the step surface 22 and the locking snap ring 3, thereby preventing the first joint 1 from slipping off from the front and rear ends of the second joint 2.
In addition, the sealed pipeline connection structure that this embodiment provided not only can be applied to between the intercooler intake pipe of car and the adjacent connecting tube, can also be applied to other pipeline connection departments that need seal, the utility model discloses do not injectd this.
The embodiment of the utility model provides a still provide a vehicle, wherein the pipeline between cooler intake pipe and the engine supercharger is connected through sealed pipeline connection structure, and this sealed pipeline connection structure is the sealed pipeline connection structure who describes for above, because sealed pipeline connection structure has had above technological effect, contains sealed pipeline connection structure's vehicle so, should also have the same technological effect, so no longer give unnecessary details here.
The pipeline between intercooler intake pipe and the engine supercharger is docked through sealed pipeline connection structure to this embodiment, has reduced the design accuracy requirement between intercooler intake pipe and the engine supercharger, makes the installation of intercooler intake pipe more convenient.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a sealed pipeline connection structure which characterized in that: the joint comprises a first joint (1), a second joint (2) and a locking part, wherein at least part of the first joint (1) can be inserted into the second joint (2) and can move relatively in the axial direction, and the locking part can prevent the first joint (1) from being separated from the second joint (2);
the first joint (1) is also provided with a sealing part which can keep the first joint (1) sealed after the second joint (2) is inserted into the first joint.
2. The sealed pipe connection structure according to claim 1, wherein: the sealing part is a sealing ring (4), a clamping groove (11) is formed in the front end of the first connector (1), and the sealing ring (4) is arranged in the clamping groove (11).
3. The sealed pipe connection structure according to claim 2, wherein: and a gap is reserved between the outer edge of the clamping groove (11) and the inner wall of the second connector (2), and the outer side of the sealing ring (4) protrudes out of the clamping groove (11) and can be in contact with the inner wall of the second connector (2) to keep the sealing between the outer edge of the clamping groove and the inner wall of the second connector (2).
4. The sealed pipe connection structure according to claim 1, wherein: the locking portion is locking snap ring (3), first joint (1) front end outer wall is frustum (12), locking snap ring (3) can block into the second connect (2) rear end first joint (1) with between the second connects (2), the butt frustum (12) makes it can't deviate from the second connects (2).
5. The sealed pipe connection structure according to claim 4, wherein: the second connects (2) rear end inner wall circumference salient and is provided with a plurality of fixture blocks (21), locking snap ring (3) correspond and are provided with a plurality of jack catchs (31), jack catch (31) can the joint in fixture block (21).
6. The sealed pipe connection structure according to claim 5, wherein: the rear end of the locking snap ring (3) is provided with a limiting ring (32), and the limiting ring (32) can be abutted to the tail end of the second joint (2).
7. The sealed pipe connection structure according to any one of claims 1 to 6, wherein: the inner wall of the front end of the second joint (2) is provided with a step surface (22), and the step surface (22) can be abutted against the front end of the first joint (1) to limit the first joint (1).
8. A vehicle, characterized in that: the pipeline between intercooler intake pipe and the engine supercharger is connected through a sealed pipeline connecting structure, which is the sealed pipeline connecting structure of any one of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121127073.9U CN215258401U (en) | 2021-05-24 | 2021-05-24 | Sealed pipeline connection structure and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121127073.9U CN215258401U (en) | 2021-05-24 | 2021-05-24 | Sealed pipeline connection structure and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215258401U true CN215258401U (en) | 2021-12-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121127073.9U Active CN215258401U (en) | 2021-05-24 | 2021-05-24 | Sealed pipeline connection structure and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215258401U (en) |
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2021
- 2021-05-24 CN CN202121127073.9U patent/CN215258401U/en active Active
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