CN217002100U

CN217002100U - Air inlet pipe of turbocharger

Info

Publication number: CN217002100U
Application number: CN202123073803.4U
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: 2022-07-19
Anticipated expiration: 2031-12-07

Abstract

According to the turbocharger air inlet pipe, the pipe body is segmented, and the pipe body is split, so that the pipe body is easier to form, the die cavity of a die is simpler, the core pulling mechanism is simpler, and although the welding process is added, the yield is high, the waste is less, and the production cost is reduced; and a supporting tube and a silencing tube are further arranged in one section of the tube body, so that vibration of airflow during flowing can be buffered, turbulent flow of the airflow can be reduced, and the effect of eliminating high-frequency noise is better. The application provides a turbo charger intake pipe has advantages such as the yield of moulding plastics is high, low in production cost.

Description

Air inlet pipe of turbocharger

Technical Field

The disclosure relates to the technical field of automobile engines, in particular to a turbocharger 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 positioned in the center of an automobile engine room 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 transmission effect, and has the problems of low connection firmness, inconvenient installation, unsatisfactory vibration reduction effect and the like.

Some related technical solutions of an intake pipe already exist in the prior art, for example, the publication number is: the utility model discloses a CN214221371U patent of a utility model, which discloses an automobile noise reduction intake pipe, and specifically discloses that the automobile noise reduction intake pipe comprises a shell component, wherein the shell component comprises an air inlet upper shell and an air inlet lower shell, the air inlet upper shell is arranged at the front side of the air inlet lower shell, the air inlet upper shell is connected with the air inlet lower shell in a clamping manner, the air inlet lower shell is provided with a connecting hole, and an embedded nut is sleeved inside the connecting hole of the air inlet lower shell; the casing subassembly cover is established around the denoising pipe subassembly tip, the casing subassembly sets up the one end at the denoising pipe subassembly, the denoising pipe subassembly other end is provided with gas outlet subassembly and shock attenuation piece, the denoising pipe subassembly includes casing under casing and the denoising pipe on the denoising pipe. Realize falling through embedded nut, shock attenuation piece among this technical scheme and make an uproar, however, the mounting of helicitic texture, dismantle inconveniently to the machining precision requires highly, and the noise reduction effect of shock attenuation piece is limited, still has a lot of inconveniences in the in-service use process.

The automobile air inlet pipe used at present has high requirements on noise reduction, so that the shape of the wall surface of the inner wall of the air inlet pipe is complex, the automobile air inlet pipe accords with fluid mechanics, the collision of air flow in the air inlet pipe is reduced, and once the air flow rebounds after colliding with the pipe wall, noise is easily generated. From the content disclosed in the prior art, the air inlet pipe which is actually used at present is difficult to form, the mold stability is poor due to the complex demolding structure, the yield is low, and the production cost is high.

Disclosure of Invention

The utility model provides a turbocharger air inlet pipe, has to mould plastics advantage such as the yield is high, low in production cost to the yield low, the high scheduling problem of production cost that exist of air inlet pipe among the prior art.

One of the concepts of the present disclosure is to provide an intake pipe of a turbocharger, the intake pipe including a main pipe body and a second pipe body, the main pipe body including a housing and a silencer pipe, the silencer pipe being installed in the housing, the silencer pipe being used to reduce noise generated by airflow in the main pipe body, and a cavity between the main pipe body and the silencer pipe being used to eliminate high-frequency noise generated by airflow.

Furthermore, the main pipe body further comprises a supporting pipe, the supporting pipe is used for supporting the air inlet pipe, the supporting pipe is installed in the silencing pipe and used for supporting and fixing the silencing pipe, and the supporting pipe is used for improving the stability of the main pipe body, so that air flow in the main pipe body is not prone to turbulence and noise generation.

Furthermore, another idea of the present disclosure is that the main pipe body is provided with an inner recess, and the inner recess is used for limiting the pipe fitting in the housing, so that the installation of the silencing pipe and the supporting pipe in the housing is more convenient, and the installation convenience is improved.

Furthermore, the concave part is arc-shaped, and the concave part is at least one, and the arc-shaped concave part can reduce turbulent flow generated after the airflow impacts in the main pipe body, and reduce noise.

Furthermore, another concept of the present disclosure is that the housing includes a first housing and a second housing, the first housing and the second housing form a main pipe, the first housing includes a first portion and a second portion, and the first portion and the second portion are inserted and mounted, so that the first housing and the second housing are easier to open the mold, and the demolding mechanism is relatively simple, thereby reducing the process difficulty, greatly improving the yield of injection molding, and finally reducing the production cost.

Furthermore, the first part is provided with a slot, the outer wall of the second part is provided with a first bulge matched with the slot, the first bulge is arranged along the circumferential direction of the outer wall of the second part, and the first bulge is in a long strip shape, so that the upper second part can be directly spliced without welding, the technical requirement is low, the labor cost can be reduced, and the production efficiency can be improved.

Furthermore, another design of this disclosure lies in, the main pipe body is provided with the installation department, the installation department is used for connecting the second body, the installation department suit is outside the second body, then the installation department setting back for the die sinking is also relatively simpler, and the drawing of patterns is that the distance of loosing core is shorter, and the efficiency of loosing core is higher, also easier shaping, and the yield is also higher, and then reduction in production cost.

Furthermore, the installation department is provided with the draw-in groove, the second body is provided with the second arch, the second arch is installed and is prevented in the draw-in groove that the second body from being responsible for the body and coming off, the second arch is a set of with the draw-in groove at least, improves connection stability, simple structure, convenient to use through setting up the second arch and draw-in groove.

According to the air inlet pipe of the turbocharger, the pipe body is segmented, and the pipe body is also in a split structure, so that the pipe body is easier to form, the die cavity of a die is simpler, the core pulling mechanism is simpler, although a welding procedure is added, the yield is high, waste is less, and the production cost is reduced; and still set up stay tube and hush pipe in one section body, vibration when can cushion the air current and flow, still can reduce the turbulent flow of air current, and is better to the elimination effect of high frequency noise. The application provides a turbo charger intake pipe has advantages such as the yield of moulding plastics is high, low in production cost.

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 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 the concept of a composition or construction of the object being described and may include exaggerated displays and are not necessarily drawn to scale.

FIG. 1: the structure schematic diagram of a turbocharger air inlet pipe is provided by the disclosure;

FIG. 2 is a schematic diagram: an exploded view of a turbocharger intake manifold provided by the present disclosure;

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

FIG. 4 is a schematic view of: the present disclosure provides an exploded view of one embodiment.

Wherein, 1, the main pipe body; 2. a second tube; 3. a housing; 4. a sound-deadening tube; 5. supporting a tube; 6. recessing; 7. a first housing; 8. a second housing; 9. a first portion; 10. a second portion; 11. a slot; 12. a first protrusion; 13. an installation part; 14. a card slot; 15. a second protrusion; 16. a bellows section.

Detailed Description

The present disclosure is described in detail below with reference to fig. 1 to 4.

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 a turbocharger air intake pipe, which specifically includes a main pipe body 1 and a second pipe body 2, where the main pipe body 1 includes a housing 3 and a silencing pipe 4, the silencing pipe 4 is installed in the housing 3, and the silencing pipe 4 is used to reduce noise generated by airflow in the main pipe body 1, and a cavity between the main pipe body 1 and the silencing pipe 4 can also be used to eliminate high-frequency noise generated by airflow flowing; the silencing pipe 4 is of a porous structure, so that after the airflow passes through the silencing pipe 4, part of the air can enter a cavity between the main pipe body 1 and the silencing pipe 4, the silencing pipe 4 can buffer the vibration of the airflow during flowing, the turbulence of the airflow is reduced, and the cavity can play a role in expanding the airflow, so that the silencing effect is further improved.

It still includes stay tube 5 to be responsible for the body 1, stay tube 5 is used for supporting the intake pipe, stay tube 5 is installed in hush pipe 4, stay tube 5 is used for supporting hush pipe 4 in being responsible for body 1, hush pipe 4 can realize fixedly through stay tube 5 and casing 3, stay tube 5 is used for improving the stability of being responsible for body 1, make the difficult turbulent flow that takes place of the air current in being responsible for body 1 produce the noise, stay tube 5 can make and be responsible for body 1 and adopt the lower material preparation of relative strength, this kind of material plays the effect of certain buffering to the vibration of air current, thereby the noise can be reduced, also can cushion simultaneously and be responsible for the collision that body 1 and other spare parts of engine take place, reduce the collision noise.

Example 2

As shown in fig. 1 to 4, this embodiment provides a turbocharger intake pipe, wherein, the main pipe body 1 is provided with indent 6, indent 6 is used for spacing to the pipe fitting in the casing 3, it is more convenient to make hush pipe 4 and stay tube 5 installation in the casing 3, improve the installation convenience, and the intake pipe is installed in automobile engine, the inside pipe fitting of automobile engine is more, indent 6 that this technical scheme set up can be used for keeping away the sky, do not influence other pipe fittings installation, save installation space, improve the installation effectiveness.

The main pipe body 1 is provided with at least one inner recess 6 (two groups are provided in the embodiment, and the two groups are provided at opposite sides, or three, four or six groups and the like), as shown in fig. 3, one inner recess 6 is provided on a parting surface of the main pipe body 1, so as to facilitate demoulding and limiting, the inner recess 6 forms an arc-shaped bulge inside the main pipe body 1, the arc can buffer the gas flow, the gas can collide with the inner wall of the main pipe body 1 after entering the main pipe body 1, and the arc-shaped bulge can reduce the turbulent flow generated after the gas flow collides in the main pipe body 1, thereby reducing the noise.

The structures not mentioned in this embodiment are the same as those in embodiment 1.

Example 3

As shown in fig. 1 to 4, the present embodiment provides a turbocharger air inlet pipe, wherein the housing 3 includes a first housing 7 and a second housing 8, the first housing 7 and the second housing 8 form a main pipe 1, the first housing 7 includes a first portion 9 and a second portion 10, and the first portion 9 and the second portion 10 are inserted and installed, so that the first housing 7 and the second housing 8 are easier to mold, and the demolding mechanism is relatively simple, thereby reducing the process difficulty, greatly improving the injection molding yield, and finally reducing the production cost.

As shown in fig. 4, the first portion 9 is provided with a slot 11, the outer wall of the second portion 10 is provided with a first protrusion 12 matched with the slot 11, the first protrusion 12 is arranged along the circumferential direction of the outer wall of the second portion 10, the first protrusion 12 is in a strip shape, and then the second portion 10 is directly plugged without welding.

In the actual production use process, the air inlet pipe is a special-shaped piece, so that the requirement on split molds is high during integral molding, and a matched core-pulling mechanism is also complex. In this technical scheme, be responsible for body 1 and divide into two casings and constitute, this degree of difficulty that can greatly reduced the die sinking, divide into two parts with first casing 7 again simultaneously, then can set up more amortization mechanism at the inner wall of casing 3, do not increase the die sinking cost again, the die sinking cost has been reduced on the contrary, and even inner wall structure is relatively more complicated, but owing to be the open structure, it just also sets up more easily to loose core, the structure is also simple, although the later stage needs the concatenation, but relatively lower to the gas tightness requirement, the pipeline section that intensity requirement is not high, directly adopt the grafting can, and it is high to correspond airtight requirement, the pipeline section that joint strength requires to be high adopts the direct weld, because production efficiency and yield all are higher than original technology after setting up like this, on the contrary, greatly reduced manufacturing cost. And the split shell structure is more convenient to install the silencing pipe 4 and the supporting pipe 5 in the shell 3, and the installation efficiency is improved.

The structures not mentioned in this embodiment are the same as those in embodiment 2.

Example 4

As shown in fig. 1 to 4, the present embodiment provides a turbocharger intake pipe, wherein, main pipe body 1 is provided with installation portion 13, installation portion 13 is used for connecting second body 2, installation portion 13 suit is outside second body 2, installation portion 13 sets up back easier injection moulding, also can make the structure of two pipeline sections also relatively simpler simultaneously, make the die sinking also relatively simpler, the distance that the drawing of patterns is loosed core is shorter, loose core efficiency is higher, also easier shaping, the yield is also higher, and then reduction in production cost.

The mounting portion 13 is provided with an open type clamping groove 14, the clamping groove 14 is arranged at the bottom of the second portion 10 and the support tube 5, the second tube body 2 is provided with a second protrusion 15, the second tube body 2 comprises a corrugated tube section 16, the second protrusion 15 is arranged at the end portion of the corrugated tube section 16, the second protrusion 15 is mounted in the clamping groove 14 to prevent the second tube body 2 from falling off from the main tube body 1, the second protrusion 15 and the clamping groove 14 are at least one group (two groups in the embodiment, and the opposite side is arranged, or three groups, four groups or six groups and the like), and the second protrusion 15 penetrates through the second portion 10 and the clamping groove 14 at the bottom of the support tube 5 to fix the sound cancellation tube 4.

The structures not mentioned in this embodiment are the same as those in embodiment 3.

It should be noted that the above embodiments in the present application can be combined and implemented as a new technical solution.

According to the air inlet pipe of the turbocharger, the pipe body is segmented, and the pipe body is also in a split structure, so that the pipe body is easier to form, the die cavity of a die is simpler, the core pulling mechanism is simpler, although a welding procedure is added, the yield is high, waste is less, and the production cost is reduced; and a supporting tube 5 and a silencing tube 4 are also arranged in one section of the tube body, so that the vibration of airflow during flowing can be buffered, the turbulent flow of the airflow can be reduced, and the effect of eliminating high-frequency noise is better. The application provides a turbo charger intake pipe has advantages such as the yield of moulding plastics is high, low in production cost.

The present disclosure has been described in detail, and the principles and embodiments of the present disclosure have been described herein using specific examples, which are provided only to assist in understanding the present disclosure and the core concepts. It should be noted that, for those skilled in the art, without departing from the principle of the present disclosure, several improvements and modifications can be made to the present disclosure, and these improvements and modifications also fall into the protection scope of the claims of the present disclosure.

Claims

1. The air inlet pipe of the turbocharger is characterized by comprising a main pipe body and a second pipe body, wherein the main pipe body is connected with the second pipe body;

the main pipe body comprises a shell and a silencing pipe, wherein the silencing pipe is arranged in the shell, the main pipe body further comprises a supporting pipe, the supporting pipe is used for supporting an air inlet pipe, and the supporting pipe is arranged in the shell; the shell comprises a first shell and a second shell, the first shell and the second shell form a main pipe body, the first shell comprises a first part and a second part, and the first part and the second part are installed in an inserted mode.

2. The turbocharger air intake according to claim 1, wherein the support tube is mounted within a muffler tube.

3. The turbocharger air inlet pipe according to claim 1, wherein the main pipe body is provided with an indent for limiting a pipe fitting in the housing.

4. The turbocharger air inlet duct of claim 3, wherein the recess is arcuate, at least one of the recesses.

5. The air inlet pipe for the turbocharger as recited in claim 1, wherein the first portion is provided with an insertion groove, and the second portion is provided with a first protrusion matching with the insertion groove.

6. The intake duct of claim 5, wherein the first projection is circumferentially disposed along the outer wall of the second portion, and the first projection is elongated.

7. The air inlet pipe for the turbocharger according to claim 1, wherein the main pipe body is provided with an installation part, the installation part is used for connecting a second pipe body, and the installation part is sleeved outside the second pipe body.

8. The air inlet pipe for the turbocharger as claimed in claim 7, wherein the mounting portion is provided with a clamping groove, the second pipe body is provided with a second protrusion, and the second protrusion is mounted in the clamping groove to prevent the second pipe body from falling off the main pipe body.

9. The air inlet pipe for the turbocharger as claimed in claim 8, wherein the second protrusion and the locking groove are at least one set.