CN2514121Y

CN2514121Y - Improved structure exhaust pipe

Info

Publication number: CN2514121Y
Application number: CN 01278297
Authority: CN
Inventors: 张明田
Original assignee: LIANG FEI INDUSTRY Co Ltd
Current assignee: LIANG FEI INDUSTRY Co Ltd
Priority date: 2001-12-27
Filing date: 2001-12-27
Publication date: 2002-10-02
Anticipated expiration: 2011-12-27

Abstract

The utility model relates to an exhaust pipe with the improved structure. One end of a bifurcated pipe is connected with the terminal of a connecting pipe, and a left branch pipe and a right branch pipe are stretched out from the other ends of the bifurcated pipe and are respectively connected with a first muffling pipe and a second muffling pipe which are stretched into the pipe body of a muffler; a front baffle and a rear baffle are arranged in the bifurcated pipe and form a muffling chamber, in which glass fiber cotton and stainless steel silky cotton are filled; the first muffling pipe is composed of two section type pipe bodies, between which a flow area is formed, the second muffling pipe is enwrapped with stainless steel silky cotton and glass fiber cotton, and an outer pipe is arranged on the periphery of the second muffling pipe. Consequently, the turning of the valve is controlled by a controller, so that the valve closes down the left or the right branch pipes to produce different gas displacements. With the utility model, a driver does not need to get off to adjust the exhaust pipe, so the gas displacement of the exhaust pipe can be controlled in a cab, and the exhaust pipe has a structure with different acceleration performances.

Description

Improve the outlet pipe of structure

Technical field

The utility model relates to a kind of outlet pipe that improves structure.

Background technique

Automobile is one of means of transportation the most easily at present, for the restriction of the noise that is produced in the automobile running, exhaust emission pollution and the speed of a motor vehicle, with the suburb different restrictive conditions is arranged all in the city; In addition, the driver is for the horsepower and the problems such as different demands of pleasant sensation between travelling, all with outlet pipe air displacement relevant, for example when imitating district or climbing, stress be quicken and horsepower lifting, must have bigger air displacement, the demand that ability is realistic.What demand was travelled in general urban district is low noise, the low pollution, make the discharging of air displacement be subjected to suitable restriction, and the air displacement of general outlet pipe mostly is the discharging of fixed amount greatly, and can't mobility be applicable to the demand of travelling in each highway section; Though the dealer releases adjustable outlet pipe already, this kind of outlet pipe disadvantage is that the driver must get off and adjusts the air displacement of outlet pipe by instrument, therefore inconvenience very.

Summary of the invention

In view of this, this creator is continuous research, improvement, finishes the creation of this case finally, and at the shortcoming that prior art exists, the utility model provides a kind of outlet pipe that improves structure.

The technical solution adopted in the utility model is: a kind of outlet pipe that improves structure, mainly connect and establish by a bifurcated pipe one end and an end of taking over, end then is extended with left and right breeches pipe in addition, connect with two first, second hush pipes that convexedly stretch in the baffler body respectively and establish, it is characterized in that: the content in this bifurcated pipe stage casing be provided with one be controlled by the controller can seal the valve that leads to first hush pipe or the second hush pipe exhaust cross section.

A dividing plate and a rear bulkhead before the baffler body is provided with one in it form an anechoic chamber between two dividing plates, fill out in the anechoic chamber and be provided with glass fibre cotton.

This first hush pipe is made up of the body of two-part, and between two bodys every forming a flow region, first hush pipe that is positioned at the baffler body is provided with bloop, and in the peripheral coating in the position with bloop stainless steel silk flosssilk wadding, and in tail end socket one tail pipe.

This its caliber of second hush pipe is slightly larger than first hush pipe, its stage casing is provided with some bloops, and is positioned at the periphery coating stainless steel silk flosssilk wadding of this bloop, establishes an outer tube in peripheral commentaries on classics of this section in addition, and be flooded with glass fibre cotton in the outer tube, in addition at its tail end socket one tail pipe of second hush pipe.

This controller connects a gear by a motor driven, one switches switch control connection motor, this gear is meshed with the gear of a rotating shaft one end, the step shape diameter of axle end that rotating shaft is held in addition passes the stage casing perforation of this breeches pipe, and fixing by pin insertion, the stage casing of this rotating shaft then is connected with a valve root edge.

The utility model has the noise of minimizing, reaches and pollute when travelling in the urban district, but travel outside imitating or during expressway, can significantly promote the performance of its acceleration again, with in response in different environment occasions, has different air displacemenies, and under the prerequisite that does not influence environment, has different acceleration performance again.

By the utility model driver adjustment outlet pipe of needn't getting off, just can control its outlet pipe air displacement, and make outlet pipe have the exhaust pipe structure of different acceleration performance at driver's seat.

Description of drawings

Fig. 1 is a three-dimensional exploded view of the present utility model.

Fig. 2 is an assembled sectional view of the present utility model.

Fig. 3 is the action schematic representation of valve.

Fig. 4 is an action schematic representation of the present utility model ().

Fig. 5 is an action schematic representation of the present utility model (two).

Fig. 6 is the automobile schematic representation that is installed in of the present utility model.

Embodiment

The utility model is described in further detail below in conjunction with drawings and the specific embodiments.

See also Fig. 1 to shown in Figure 3, the utility model improves the outlet pipe of structure, mainly be to take over 10 end by a bifurcated pipe 20 one ends and to connect and establish, end then is extended with left and

right breeches pipe

22,23 in addition, connect and establish with two first hush pipe 40, second hush pipes 50 that convexedly stretch in baffler body 30 respectively, wherein:

This bifurcated pipe 20, wherein intersegmental part is provided with the valve 63 of controlled device 60 controls, right side fork and 23 its exhaust cross sections that this valve 63 can seal the left breeches pipe 22 that leads to first hush pipe 40 or lead to second hush pipe 50, this controller 60 drives a gear 61 by a motor M, this gear 61 is meshed with the gear 631 of a rotating shaft 62 one ends, the perforation 21 that the stage casing that this bifurcated pipe 20 is passed in this rotating shaft 62 is set, and pass bifurcated pipe 20 in addition behind the side perforations 24 with the less scalariform diameter of axle end 623 of holding in addition of rotating shaft 62, locate with the tip hole 624 that a pin 622 inserts on the scalariform diameter of axle end 623, the stage casing of this rotating shaft 62 then is connected with the root edge of a valve 63;

This baffler body 30, two perforation (not indicating) are arranged on dividing plate 31 and a rear bulkhead 32, two dividing plates before being provided with one in it, wear for first hush pipe 40 and second hush pipe 50 respectively, make 31,32 on two dividing plates form an anechoic chamber 33, in this anechoic chamber 33, fill out and be provided with glass fibre cotton 34;

This first hush pipe 40,

body

41,42 by two-part is formed, and the interval of 41,42 of this two bodys just forms a flow region 43, two bodys are provided with bloop 411,421, and in the periphery of the position with bloop 411,421 coating stainless steel silk flosssilk wadding 412,422, and at body 42 tail end sockets one tail pipe 44;

This second hush pipe 50, its caliber is slightly larger than first hush pipe 40, its stage casing is provided with some bloops 51, and the periphery that is positioned at this bloop 51 coats stainless steel silk flosssilk wadding 52, enclose an outer tube 53 in addition in this section periphery, and in outer tube 53, be flooded with glass fibre cotton 531, and at second hush pipe, 50 its tail end socket one tail pipes 54;

Below just with general state and travel on expressway etc. to implement state description as follows:

1, during normality (as shown in Figure 4), because of valve 63 are the positions that are positioned at bifurcated pipe 20 its right breeches pipes 23, exhaust is because of being subjected to stopping of valve 63, and make exhaust directly enter first hush pipe 40, its a part of gas can be fled via its bloop 411, via glass fibre cotton 412, stainless steel silk flosssilk wadding 34, gas is fled in anechoic chamber 33, and effectively slow down its speed, some then directly enters in first hush pipe, 40 bodys 42 via its flow region 43 again, its exhaust is discharged via the stainless steel silk flosssilk wadding 422 of this body 42 more again, so really, exhaust circulation path and filtering exhaust be can prolong, noise and pollution (making air displacement meet the urban district requires) reduced to reach;

2, when the acceleration performance that will make automobile 70 significantly promotes, as travel at expressway, when imitating district or hillside (as Fig. 5, shown in 6), as long as (this controller 60 is to connect the diverter switch C that driver's seat is provided with in the car by a wiring to switch this diverter switch, and be subjected to its switching controls motor M to do start-stop action and just, counter-rotating drives, motor M is rotated, making gear 61 rotate and drive valve 63 rotates, and be closed in the path of first hush pipe 50 and right breeches pipe 20, make exhaust be subjected to stopping of valve 63, its gas then directly enters second hush pipe 50, gas in outer tube 53 via bloop 51, stainless steel silk flosssilk wadding 531, discharge after the filtration of glass fibre cotton 52, or a part of gas is directly discharged via second hush pipe 50, so, then can increase its acceleration performance.

In sum, by structural design of the present utility model, the driver can directly control the conversion of air displacement at driver's seat, and under needn't getting off, can accomplish that outlet pipe has the reduction noise when normality by its air displacement of instrument adjustment outlet pipe, visual again demand promotes acceleration performance, be beneficial to travel on expressway, imitate district etc., and the open or priority of use of the product that better structural design and function are arranged is not seen in this case really before application, the tool practicability now proposes utility model application.

Claims

1, a kind of outlet pipe that improves structure, mainly connect and establish by a bifurcated pipe one end and an end of taking over, end then is extended with left and right breeches pipe in addition, connect with two first, second hush pipes that convexedly stretch in the baffler body respectively and establish, it is characterized in that: the content in this bifurcated pipe stage casing be provided with one be controlled by the controller can seal the valve that leads to first hush pipe or the second hush pipe exhaust cross section.

2, the outlet pipe of improvement structure as claimed in claim 1 is characterized in that: a dividing plate and a rear bulkhead before the baffler body is provided with one in it, form an anechoic chamber between two dividing plates, and fill out in the anechoic chamber and be provided with glass fibre cotton.

3, the outlet pipe of improvement structure as claimed in claim 1, it is characterized in that: this first hush pipe is made up of the body of two-part, and between two bodys every forming a flow region, first hush pipe that is positioned at the baffler body is provided with bloop, and in the peripheral coating in the position with bloop stainless steel silk flosssilk wadding, and in tail end socket one tail pipe.

4, the outlet pipe of improvement structure as claimed in claim 1, it is characterized in that: this its caliber of second hush pipe is slightly larger than first hush pipe, its stage casing is provided with some bloops, and the periphery that is positioned at this bloop coats the stainless steel silk flosssilk wadding, establish an outer tube in peripheral commentaries on classics of this section in addition, and be flooded with glass fibre cotton in the outer tube, in addition at its tail end socket one tail pipe of second hush pipe.

5, the outlet pipe of improvement structure as claimed in claim 1, it is characterized in that: this controller connects a gear by a motor driven, one switches switch control connection motor, this gear is meshed with the gear of a rotating shaft one end, the step shape diameter of axle end that rotating shaft is held in addition passes the stage casing perforation of this breeches pipe, and fixing by pin insertion, the stage casing of this rotating shaft then is connected with a valve root edge.