CN216894683U

CN216894683U - Air inlet pipe of engine

Info

Publication number: CN216894683U
Application number: CN202123073726.2U
Authority: CN
Inventors: 陈东朝; 陈京翔
Original assignee: Shanghe Auto Parts Ningbo Co ltd
Current assignee: Shanghe Auto Parts Ningbo Co ltd
Priority date: 2021-12-07
Filing date: 2021-12-07
Publication date: 2022-07-05
Anticipated expiration: 2031-12-07

Abstract

The main pipe body is spliced with the corrugated pipe through the splicing grooves, so that a splicing section of the corrugated pipe is not easy to wear and deform in the using process, the high-temperature resistance is better, the service life of the air inlet pipe is prolonged, the corrugated pipe has certain elasticity, the air inlet pipe is better in contact and more tightly attached and is arranged in the pipe body, and the air tightness is improved; the gas circulation in the gas inlet pipe is not disturbed by the end part of the connecting section of the corrugated pipe, the leakage is not easy to occur, and the gas tightness is greatly improved. The application provides a pair of engine intake pipe has advantages such as simple structure, processing cost are low, stable in structure, gas tightness are good, difficult wearing and tearing.

Description

Air inlet pipe of engine

Technical Field

The disclosure relates to the technical field of automobile engines, in particular to an engine air inlet pipe.

Background

At present, people have higher and higher requirements on the performance of motor vehicles, so that the requirements on parts used by the motor vehicles are higher and higher, and the technical requirements are more stringent. The automobile air inlet pipe is located in the center of an automobile engine chamber and is a hollow part with a complex shape. The automobile air inlet pipe is used as one part of an air inlet system, and has the technical requirements of oil resistance, high temperature resistance and firm installation. The air inlet pipe used at present only has a simple air conveying function, and has the problems of low connection firmness, inconvenience in installation, high noise and the like.

Some related technical solutions of the air inlet pipe already exist in the prior art, for example, the publication number is: CN 214533323U's utility model patent discloses an intake pipe of making an uproar falls in business turn over end mosaic combination welding is disclosed, and specifically disclose this intake pipe specifically include the inlet end casing, be equipped with spacing bar hole on the outer wall of inlet end casing, all be equipped with the draw-in groove on the both ends lateral wall of inlet end casing, the installation tabs is installed on draw-in groove one end inner wall through the pivot swing, the removable formula of installation tabs is installed in the draw-in groove, go up polyester fiber felt and lower polyester fiber felt welded fastening welding formation body structure, the fixed welding of one end of inlet end casing communicates with each other at the one end of body and with jar internal portion, the one end of bellows is kept away from the one end of inlet end casing with the body and is passed through screw-thread fit installation, one side of bellows is equipped with the side row hole. Among this technical scheme, the bellows passes through threaded connection with the body, and the mounting of helicitic texture, dismantlement are inconvenient to the machining precision requires highly, still has a lot of inconveniences in the in-service use process.

The automobile air inlet pipe that uses at present requires highly, therefore the leakproofness of internal connection also requires highly, otherwise produces the noise easily, and then influences the use and experiences and there is the potential safety hazard. From the disclosure of the prior art, the air inlet pipe actually used at present has the problems of complex connecting structure, inconvenient installation, easy abrasion, high cost and the like.

SUMMERY OF THE UTILITY MODEL

The utility model provides an engine intake pipe to the connection structure stability that the intake pipe exists among the prior art is not good, the gas tightness is not good, easy wearing and tearing scheduling problem, has advantages such as simple structure, low in processing cost, stable in structure, gas tightness are good, difficult wearing and tearing.

One of the concepts of the present disclosure is to provide an engine intake pipe, including being responsible for the body and bellows, the bellows top is provided with the grafting section, being responsible for the body and being provided with the installation department, the installation department is used for installing the grafting section, and the bellows is responsible for the body through the grafting section connection, makes the difficult wearing and tearing of bellows grafting section, difficult emergence be out of shape, increase of service life, and the stability of connecting is better.

Further, the installation department is provided with the support ring, the support ring is used for supporting the grafting section spacing, and after the grafting section got into the installation department, the grafting section was laminated inseparabler with the installation department under the effect of support ring for the grafting section is more difficult for breaking away from the installation department, improves installation stability.

Furthermore, the inserting section is provided with a protrusion, and the installation part is provided with a buckle groove, so that the protrusion is installed in the buckle groove, the corrugated pipe is not easy to fall off from the main pipe body, and the installation stability is improved.

Furthermore, another design of the present disclosure is that the opening is formed in the fastening groove, the protrusion is conveniently fixed in the fastening groove through the opening, the fastening groove is easier to mold when the opening is formed, the injection molding defect is not easy to occur, and meanwhile, the elastic deformation of the fastening groove is larger, and the assembly is more convenient.

Furthermore, another design of the present disclosure is that the installation portion is provided with an insertion groove, the insertion groove is communicated with the buckling groove, the insertion groove is arranged along the insertion direction of the corrugated pipe, the insertion section is inserted into the insertion groove after the insertion groove is arranged, the stability of the connection between the corrugated pipe and the main pipe body is better under the limit of the insertion groove, and meanwhile, the groove wall of the insertion groove plays a role of feeding when the injection molding is performed, so that the injection molding yield is higher.

Furthermore, the entrance side of installation department is provided with the chamfer for the arch gets into the installation department and makes things convenient for more fast, be provided with the inclined plane that is convenient for get into the installation department in the arch, the grafting section is provided with the step, the step is used for placing the grafting section and gets into the installation department too deeply, has improved the installation convenience greatly.

Furthermore, another idea of the present disclosure is that the main pipe body includes a first casing and a second casing, the first casing and the second casing form the main pipe body, a protective edge is disposed on an outer edge of the first casing, the protective edge is used for fixing the second casing, and the protective edge is disposed to facilitate assembly of the first casing and the second casing, so that integrity is better.

Furthermore, another concept of the present disclosure is that a flow guide plate is disposed in the main pipe body, and the flow guide plate is used for guiding the gas, so that the gas is acted by the flow guide plate in the main pipe body, the gas flow is not easily disturbed, and the use noise of the gas inlet pipe is reduced.

Still further, another concept of the present disclosure is that the outer wall of the main tube body is provided with a reinforcing rib for improving the strength of the main tube body.

The main pipe body is spliced with the corrugated pipe through the splicing grooves, so that a splicing section of the corrugated pipe is not easy to wear and deform in the using process, the high-temperature resistance is better, the service life of the air inlet pipe is prolonged, the corrugated pipe has certain elasticity, the air inlet pipe is better in contact and more tightly attached and is arranged in the pipe body, and the air tightness is improved; the gas circulation in the gas inlet pipe is not disturbed by the end part of the connecting section of the corrugated pipe and is not easy to leak, and the gas tightness is greatly improved. The application provides a pair of engine intake pipe has advantages such as simple structure, low in processing cost, stable in structure, gas tightness are good, difficult wearing and tearing.

Drawings

The present disclosure will be described in further detail below with reference to the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of illustrating the preferred embodiments and therefore should not be taken as limiting the scope of the present disclosure. Furthermore, unless specifically stated otherwise, the drawings are merely schematic representations based on conceptual representations of elements or structures depicted and may contain exaggerated displays and are not necessarily drawn to scale.

FIG. 1: the structure schematic diagram of an engine air inlet pipe provided by the present disclosure;

FIG. 2: an exploded view of an engine intake provided by the present disclosure;

FIG. 3: the present disclosure provides a schematic front view of an engine intake duct;

FIG. 4: the cross-sectional view in the direction a-a in fig. 3 of the present disclosure;

FIG. 5: the present disclosure is a partial enlarged view of B in fig. 4.

Wherein, 1, the main pipe body; 2. a bellows; 3. a plug section; 4. an installation part; 5. a protrusion; 6. a fastening groove; 7. recessing; 8. inserting grooves; 9. chamfering; 10. a step; 11. a bevel; 12. a first housing; 13. a second housing; 14. protecting edges; 15. a baffle; 16. reinforcing ribs; 17. and (3) supporting the ring.

Detailed Description

The present disclosure is described in detail below with reference to fig. 1 to 5.

In order to make the objects, technical solutions and advantages of the present disclosure more clearly understood, the present disclosure is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the disclosure and are not intended to limit the disclosure.

Example 1

As shown in fig. 1 and fig. 2, the present embodiment provides an engine intake pipe, which specifically includes a main pipe body 1 and a corrugated pipe 2, where the main pipe body 1 is inserted into the corrugated pipe 2, an insertion section 3 is arranged at the top of the corrugated pipe 2, the main pipe body 1 is provided with an installation section 4, the installation section 4 is used for installing the insertion section 3, and the corrugated pipe 2 is connected to the main pipe body 1 through the insertion section 3; installation department 4 is provided with support ring 17, and support ring 17 is used for supporting 3 to the grafting section spacing, and after grafting section 3 got into installation department 4, grafting section 3 was laminated inseparabler with installation department 4 under the effect of support ring 17 for grafting section 3 is more difficult for breaking away from installation department 4, improves installation stability.

In actual production and use, the bellows 2 is generally a pipe with certain elasticity (in this example, TPV, and may also be a rubber member, TPU, or TPE, etc.), and the main pipe body 1 has a higher hardness than the bellows 2. Among this technical scheme, set up bellows 2 and be responsible for 1 grafting installation of body, installation department 4 through setting up the body of being responsible for is used for installing bellows 2 grafting section 3, make the gas in the body of being responsible for 1 difficult leakage when getting into bellows 2, the gas of leakage need pass installation department 4 and grafting section 3 when installation department 4, so greatly increased gas flow path, make gas difficult leakage, and then improved the gas tightness, on the other hand, make the junction of being responsible for body 1 and bellows 2 be outer hard interior soft structure, outside difficult wearing and tearing, warp, and high temperature resistance can be better, the life of intake pipe has been prolonged greatly.

Example 2

As shown in fig. 1 to 5, the present embodiment provides an engine intake duct, wherein the insertion section 3 is provided with a protrusion 5, the installation portion 4 is provided with a fastening groove 6, the protrusion 5 is installed in the fastening groove 6 to prevent the corrugated pipe 2 from falling off from the main pipe body 1, the fastening groove 6 is provided with an opening, the opening facilitates the protrusion 5 to be fixed in the fastening groove 6, the protrusion 5 is provided in the insertion section 3, and the installation portion 4 is provided with the fastening groove 6 for installing the protrusion 5, so that after the insertion section 3 is inserted into the installation portion 4, the insertion section 3 is fixed in the fastening groove 6 of the installation portion 4 through the protrusion 5, and the installation structure is stable, is not easy to fall off, and is convenient to install; the bulge 5 is provided with an inner concave 7, so that demoulding is facilitated; installation department 4 is provided with inserting groove 8, inserting

groove

8 and 6 intercommunications of buckle groove for grafting section 3 is when getting into installation department 4, inserting groove 8 can provide the deformation surplus for installation department 4, the installation of being convenient for, inserting groove 8 sets up along bellows 2 insertion direction, inserting groove 8 is used for providing the deformation surplus for being responsible for 1 bottom of the body, inserting groove 8 set up greatly reduced be responsible for the defect of moulding plastics of the body 1, reduce the production and processing degree of difficulty, improve the yield, save the processing cost. The structures not mentioned in this embodiment are the same as those in embodiment 1.

Example 3

As shown in fig. 1 to 5, the present embodiment provides an engine intake pipe, wherein, the entrance side of installation department 4 is provided with chamfer 9, and chamfer 9 is used for the installation direction of grafting section 3, and chamfer 9 has the effect of inserting the direction to grafting section 3 to chamfer 9 makes the space of entrance side bigger, and the grafting section 3 of being convenient for gets into installation department 4, has improved the installation convenience of being responsible for body 1 and bellows 2 greatly. The structures not mentioned in this embodiment are the same as those in embodiment 2.

Example 4

As shown in fig. 1 to 5, the present embodiment provides an engine intake pipe, wherein, the insertion section 3 is further provided with a step 10, the step 10 is used for preventing the insertion section 3 from entering the installation portion 4 too deeply, the corrugated pipe 2 is inserted into the installation portion 4 through the insertion section 3, the connection between the corrugated pipe 2 and the main pipe body 1 is realized, but the insertion installation manner is very easy to insert too deeply, and then the hidden danger of damaging the insertion section 3 or the installation portion 4 exists, and in the present embodiment, the step 10 for preventing the insertion section 3 from entering the installation portion 4 too deeply is provided through the insertion section 3, and is used for limiting the insertion section 3, so that the installation convenience is greatly improved, and the step 10 can also be used for supporting the installation portion 4. The structures not mentioned in this embodiment are the same as those in embodiment 2.

Example 5

As shown in fig. 1 to 5, the present embodiment provides an engine intake duct, wherein the protrusion 5 is provided with an inclined surface 11, and the protrusion 5 is more easily inserted into the fastening groove 6 of the mounting portion 4 and less easily separated from the fastening groove 6 under the action of the inclined surface 11, so as to greatly improve the mounting stability; the protrusions 5 and the buckle grooves 6 are two groups, so that the purposes of stable connection and difficulty in falling are achieved, and the protrusions 5 and the buckle grooves 6 are simple in structure and convenient to install. The structures not mentioned in this embodiment are the same as those in embodiment 2.

Example 6

As shown in fig. 1 to 5, the present embodiment provides an engine intake duct, wherein the main duct body 1 is formed by welding a first housing 12 and a second housing 13, and a protective edge 14 is disposed at an outer edge of the first housing 12, so that when the housings are welded after being attached to each other, the relative positions of the two housings are stable, the displacement is not easy to occur, and the airtightness is good after welding. The structures not mentioned in this embodiment are the same as those in embodiment 2.

Example 7

As shown in fig. 1 to 5, the present embodiment provides an engine intake duct, wherein three flow guiding plates 15 are disposed on an inner wall of a main duct body 1, the flow guiding plates 15 are used for guiding gas, turbulence or backflow is not easily generated when gas flow rubs against a duct wall during use, and noise is generated, and the main duct body 1 is formed by welding a first casing 12 and a second casing 13, so that it is more convenient to dispose the flow guiding plates 15 in the main duct body 1. The structures not mentioned in this embodiment are the same as those in embodiment 6.

Example 8

As shown in fig. 1 to 5, the present embodiment provides an engine intake duct, wherein, a reinforcing rib 16 is disposed on an outer wall of the main tube 1, the reinforcing rib 16 is disposed near the mounting portion 4, the reinforcing rib 16 is used for improving the strength of the main tube 1, the reinforcing rib 16 is in a strip structure, one reinforcing rib 16 is disposed on each of the first casing 12 and the second casing 13, and in an actual production process, the reinforcing rib 16 can be used for the first casing 12 and the second casing 13 to perform a feeding function during injection molding, so that the injection molding yield is higher, the yield is improved, and the cost is saved. The structures not mentioned in this example are the same as those in example 7.

It should be noted that the above embodiments in the present application can be combined to implement a new technical solution.

The utility model provides an engine air inlet pipe, a main pipe body 1 is spliced with a corrugated pipe 2 through an inserting groove 8, so that a splicing section 3 of the corrugated pipe 2 is not easy to wear and deform in the using process, the high temperature resistance is better, the service life of the air inlet pipe is prolonged, the corrugated pipe 2 has certain elasticity, the air inlet pipe is better contacted and more tightly attached and is arranged in the pipe body, and the air tightness is improved; the gas circulation in the gas inlet pipe is not disturbed by the end part of the connecting section of the corrugated pipe 2 and is not easy to leak, and the gas tightness is greatly improved. The application provides a pair of engine intake pipe has advantages such as simple structure, low in processing cost, stable in structure, gas tightness are good, difficult wearing and tearing.

The present disclosure has been described in detail above, and the principles and embodiments of the present disclosure have been explained herein using specific examples, which are provided only to assist understanding of the present disclosure and the core concepts. It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present disclosure without departing from the principle of the present disclosure, and such improvements and modifications also fall within the scope of the claims of the present disclosure.

Claims

1. The utility model provides an engine intake pipe, its characterized in that, is including being responsible for the body and the bellows, be responsible for the body and the bellows is pegged graft, the bellows top is provided with the grafting section, it is provided with the installation department to be responsible for the body, the installation department is used for installing the grafting section, the bellows is responsible for the body through the grafting section connection, the installation department is provided with the support ring, the support ring is used for supporting spacingly to the grafting section.

2. The engine intake pipe of claim 1, wherein the insertion section is provided with a protrusion, the mounting portion is provided with a buckling groove, and the protrusion is mounted in the buckling groove to prevent the corrugated pipe from falling off the main pipe body.

3. The engine air intake of claim 2, wherein the snap-fit groove is provided with an opening that facilitates securing of the protrusion within the snap-fit groove.

4. The intake pipe of claim 2, wherein the mounting portion is provided with an insertion groove, the insertion groove is communicated with the buckling groove, the insertion groove is arranged along the insertion direction of the corrugated pipe, and the insertion groove is used for providing deformation allowance for the bottom of the main pipe body.

5. An engine intake according to claim 1, wherein an inlet side of the mounting portion is provided with a chamfer for guiding the mounting of the plug section.

6. An engine air inlet pipe according to claim 1, characterized in that the plug section is further provided with a step for preventing the plug section from entering too deep into the mounting section.

7. An engine air intake according to claim 2, wherein the projection is provided with a ramp to facilitate entry of the projection into the mounting portion.

8. The engine intake according to claim 1, wherein a flow deflector is provided in the main pipe for guiding the gas.

9. The engine intake manifold of claim 1, wherein the outer wall of the main pipe body is provided with a reinforcing rib.

10. The engine intake pipe of claim 1, wherein the main pipe comprises a first casing and a second casing, the first casing and the second casing form the main pipe, and a protective edge is arranged on the outer edge of the first casing and used for fixing the second casing.