CN108590902B

CN108590902B - Intake manifold assembly

Info

Publication number: CN108590902B
Application number: CN201810679348.6A
Authority: CN
Inventors: 姚惠明
Original assignee: Jiangsu Ketong Vehicle Industry Technology Co ltd
Current assignee: Jiangsu Ketong Vehicle Industry Technology Co ltd
Priority date: 2018-06-27
Filing date: 2018-06-27
Publication date: 2023-12-08
Anticipated expiration: 2038-06-27
Also published as: CN108590902A

Abstract

The invention discloses an air inlet manifold assembly which comprises a pressure stabilizing cavity, an air inlet pipe, a connecting flange, a mounting hole, a heating plate, an exhaust gas pipeline, a manifold, reinforcing ribs, a partition plate, a rotary valve, an oil nozzle, a clamping ring, an air inlet valve, a compression spring and a telescopic rod. The beneficial effects of the invention are as follows: the heating plate is annular netted, and the card is put at the front end of intake pipe, can with the spun fluid rapid mixing of fuel sprayer, be connected with four manifold that length is the same on the steady voltage chamber, and be parallel arrangement, can evenly distribute each cylinder with the gas mixture, the manifold junction of installing on the steady voltage chamber all is equipped with the strengthening rib, effectively reduce the noise of engine, the baffle is with two inlet channel with manifold internal portion, and the rotary valve is located the port department of the right side passageway that baffle and manifold pipe wall formed, can improve the effective output moment of torque of gasoline engine, the inlet valve is the switching with the rand through the compression spring of cover on the telescopic link and is connected, can reach the highest air inlet efficiency.

Description

Intake manifold assembly

Technical Field

The invention relates to an intake manifold, in particular to an intake manifold assembly, and belongs to the technical field of machinery.

Background

The intake manifold refers to an intake pipeline from the rear of a carburetor or a throttle body to the front of a cylinder head air inlet channel, and functions to distribute air and fuel mixture to each cylinder air inlet channel by the carburetor or the throttle body, different designs of the intake manifold depend on the working characteristics of an engine, the more and more slender the pipeline is, the more the lower the rotation speed torsion output is focused, the design is suitable for the lower rotation speed area, the more straight and stronger the pipeline is, the more the middle and high rotation speed torsion output is focused, and the design is suitable for the higher rotation speed.

The existing air inlet manifold has certain defects in design, firstly, the air flow can generate sharp bend in the process of flowing from an air inlet manifold to a straight section and then to an air inlet bent pipe, so that the air flow is unsmooth, the air charging efficiency of an air cylinder can be influenced, the performance of an engine is poor, meanwhile, the air inlet bent pipes are generally distributed according to a comb shape, the lengths of the air inlet bent pipes are different, but the inner diameters of the air inlet bent pipes are equal, the air inflow of each air cylinder is uneven, the engine vibration and the noise are large, secondly, the existing air inlet manifold is mainly made of aluminum alloy materials, the mass is high, the inner wall of an air channel is unsmooth, the equivalent diameters of an air channel inlet and an air outlet are generally small, when the air channel turns or is provided with a convex concave in the air channel, the turbulence disturbance can occur to the air flow, the air inlet has certain negative influence on the air inlet efficiency, thirdly, the length and the sectional area of the air inlet pipe can not be adjusted, the optimal air distribution can not be provided at high speed and low speed of the engine, and the combustion efficiency of fuel is low.

Disclosure of Invention

The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide an intake manifold assembly.

The invention realizes the above purpose through the following technical scheme: an air inlet manifold assembly comprises a pressure stabilizing cavity, an air inlet pipe, a connecting flange, a mounting hole, a heating disc, an exhaust gas pipeline, a manifold, a reinforcing rib, a partition board, a rotary valve, an oil nozzle, a clamping ring, an air inlet valve, a compression spring and a telescopic rod; the utility model provides a gas manifold assembly, including steady voltage chamber, intake pipe and manifold, intake pipe connection is in the left side in steady voltage chamber, flange sets up respectively on intake pipe and manifold, the mounting hole has been seted up on the flange, the heating plate is settled inside the intake pipe, exhaust duct connects the right side in steady voltage chamber, the manifold welding is in the top in steady voltage chamber, the junction in manifold and steady voltage chamber is equipped with the strengthening rib, the baffle sets up in the manifold, the rotary valve is installed in the manifold, the nozzle is connected on the manifold, the nozzle is located the middle part of manifold, the collar slope is settled on the inner wall of manifold, the collar is located the end of giving vent to anger of manifold, the air valve card is put on the collar, the air valve links together with the telescopic link, compression spring cover is on the telescopic link.

Preferably, in order to be capable of being quickly mixed with oil sprayed by the oil nozzle, the heating disc is in an annular net shape and is clamped at the front end of the air inlet pipe.

Preferably, in order to uniformly distribute the mixture of air and fuel to each cylinder, the pressure stabilizing cavity is connected with four manifolds with the same length and arranged in parallel.

Preferably, in order to effectively reduce noise of the engine, reinforcing ribs are arranged at the joint of the manifold installed on the pressure stabilizing cavity.

Preferably, the partition divides the manifold interior into two intake passages and the rotary valve is located at the port of the right passage formed by the partition and the manifold wall in order to increase the effective output torque of the engine at different loads and to reduce the minimum fuel consumption rate.

Preferably, in order to make the oscillation frequency of the mixed gas in the manifold reach resonance with the opening and closing time of the air inlet valve, the air inlet valve is in opening and closing connection with the clamping ring through a compression spring sleeved on the telescopic rod.

The beneficial effects of the invention are as follows: the air inlet manifold assembly is reasonable in design, the heating disc is annular net-shaped and is clamped at the front end of the air inlet pipe, air flow is heated before entering the pressure stabilizing cavity, oil liquid sprayed by the oil nozzle can be quickly mixed, the pressure stabilizing cavity is connected with four manifolds with the same length and is arranged in parallel, the lengths of air flow channels are equal, air and fuel mixture can be uniformly distributed to each cylinder, reinforcing ribs are arranged at the joints of the manifolds arranged on the pressure stabilizing cavity, the air inlet manifold of the engine is firmly supported, vibration is reduced, noise of the engine is effectively reduced, the inner part of the manifold is divided into two air inlet channels by the partition board, the rotary valve is positioned at the port of the right channel formed by the partition board and the wall of the manifold, effective output torque of the gasoline engine in middle, low speed, middle and small loads can be improved, the lowest fuel consumption rate of the gasoline engine in middle, low speed, middle and small loads is reduced, the air inlet valve is connected with the clamping ring in an opening and closing mode through the compression spring sleeved on the telescopic rod, and vibration frequency of the air mixture in the manifold and the air inlet valve are enabled to reach resonance when the air inlet valve is opened and closed, and the highest efficiency is achieved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a schematic view of an air inlet pipe with a structure according to the invention;

FIG. 3 is a schematic top view of the structural voltage stabilizing chamber of the present invention;

FIG. 4 is a schematic view of a structural manifold of the present invention.

In the figure: 1. the pressure stabilizing cavity 2, the air inlet pipe 3, the connecting flange 4, the mounting hole 5, the heating plate 6, the waste gas pipeline 7, the manifold 8 and the reinforcing rib, 9, a partition plate, 10, a rotary valve, 11, an oil nozzle, 12, a clamping ring, 13, an air inlet valve, 14, compression springs, 15 and a telescopic rod.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1 to 4, an intake manifold assembly includes a pressure stabilizing chamber 1, an intake pipe 2, a connecting flange 3, a mounting hole 4, a heating plate 5, an exhaust gas pipe 6, a manifold 7, a reinforcing rib 8, a partition 9, a rotary valve 10, an oil nozzle 11, a collar 12, an intake valve 13, a compression spring 14 and a telescopic rod 15; the utility model provides a gas manifold assembly, including steady voltage chamber 1, intake pipe 2 and manifold 7 constitute this gas manifold assembly main structure, intake pipe 2 connects the left side in steady voltage chamber 1, flange 3 sets up respectively on intake pipe 2 and manifold 7, set up mounting hole 4 on the flange 3, heating plate 5 settles inside intake pipe 2, exhaust duct 6 connects the right side at steady voltage chamber 1, manifold 7 welds the top in steady voltage chamber 1, the junction of manifold 7 and steady voltage chamber 1 is equipped with strengthening rib 8, baffle 9 sets up in manifold 7, rotary valve 10 installs in manifold 7, nozzle 11 connects on manifold 7, nozzle 11 is located the middle part of manifold 7, collar 12 slope is settled on the inner wall of manifold 7, collar 12 is located the end of giving vent to anger of manifold 7, air inlet valve 13 card is put on 12, air inlet valve 13 and telescopic link 15 are together, compression spring 14 cover is on telescopic link 15.

The heating plate 5 is annular net-shaped and is clamped at the front end of the air inlet pipe 2, so that air flow is heated before entering the pressure stabilizing cavity 1, oil liquid sprayed by the oil nozzle 11 can be quickly mixed, the pressure stabilizing cavity 1 is connected with four manifolds 7 with the same length and is arranged in parallel, the lengths of air flow channels are equal, air and fuel mixture can be uniformly distributed to each cylinder, the joint of the manifolds 7 arranged on the pressure stabilizing cavity 1 is provided with reinforcing ribs 8, the air inlet manifold of the engine is firmly supported, vibration is reduced, noise of the engine is effectively reduced, the partition 9 divides the interior of the manifold 7 into two air inlet channels, the rotary valve 10 is positioned at the port of a right channel formed by the partition 9 and the wall of the manifold 7, the effective output torque of the gasoline engine in medium, low speed and medium and small loads can be improved, the lowest fuel consumption rate of the gasoline engine in medium, low speed and medium and small loads can be reduced, the air inlet valve 13 is connected with the air inlet valve 13 in an open-close mode through compression springs 14 and 12 sleeved on the telescopic rods 15, and the frequency of the air inlet valve 13 in the manifold 7 can reach the maximum vibration time of the air inlet valve.

Working principle: when the intake manifold assembly is used, air flow enters the pressure stabilizing cavity 1 after being heated by the heating disc 5 through the air inlet pipe 2, the rotary valve 10 opens and closes a right channel after an instruction is sent by the electronic control module of the gasoline engine according to the working speed and the load of the gasoline engine, the air inlet valve 13 is continuously opened and closed when the engine runs, and the mixed gas in the manifold 7 enters the cylinder through the air inlet valve 13 at a certain speed when the air inlet valve 13 is opened.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. An intake manifold assembly, characterized by: the device comprises a pressure stabilizing cavity (1), an air inlet pipe (2), a connecting flange (3), a mounting hole (4), a heating disc (5), an exhaust pipeline (6), a manifold (7), reinforcing ribs (8), a partition plate (9), a rotary valve (10), an oil nozzle (11), a clamping ring (12), an air inlet valve (13), a compression spring (14) and a telescopic rod (15); the utility model discloses a pressure stabilizing cavity (1), intake pipe (2) and manifold (7) constitute this intake manifold subassembly main part structure, intake pipe (2) are connected in the left side of pressure stabilizing cavity (1), flange (3) set up respectively on intake pipe (2) and manifold (7), mounting hole (4) have been seted up on flange (3), heating plate (5) settle in intake pipe (2) inside, exhaust pipe (6) are connected on the right side of pressure stabilizing cavity (1), manifold (7) welding is in the top of pressure stabilizing cavity (1), the junction of manifold (7) and pressure stabilizing cavity (1) is equipped with strengthening rib (8), baffle (9) set up in manifold (7), rotary valve (10) are installed in manifold (7), nozzle (11) are connected on manifold (7), nozzle (11) are located the middle part of manifold (7), install on the inner wall of manifold (7) in the slope, manifold (7) valve (12) are located the collar (13) are located on the collar (13) of taking turns, the collar (13) are connected together, the compression spring (14) is sleeved on the telescopic rod (15); the heating plate (5) is in an annular net shape and is clamped at the front end of the air inlet pipe (2); four manifolds (7) with the same length are connected to the pressure stabilizing cavity (1) and are arranged in parallel.

2. An intake manifold assembly as recited in claim 1, wherein: reinforcing ribs (8) are arranged at the joint of the manifold (7) arranged on the pressure stabilizing cavity (1).

3. An intake manifold assembly as recited in claim 1, wherein: the partition plate (9) divides the interior of the manifold (7) into two air inlet channels, and the rotary valve (10) is positioned at the port of the right channel formed by the partition plate (9) and the wall of the manifold (7).

4. An intake manifold assembly as recited in claim 1, wherein: the air inlet valve (13) is connected with the clamping ring (12) in an opening and closing manner through a compression spring (14) sleeved on the telescopic rod (15).