CN203978583U - Variable automobile back pressure tailpipe - Google Patents

Variable automobile back pressure tailpipe Download PDF

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Publication number
CN203978583U
CN203978583U CN201420437446.6U CN201420437446U CN203978583U CN 203978583 U CN203978583 U CN 203978583U CN 201420437446 U CN201420437446 U CN 201420437446U CN 203978583 U CN203978583 U CN 203978583U
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CN
China
Prior art keywords
exhaust pipe
back pressure
outer tube
eddy current
rotary steering
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Expired - Fee Related
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CN201420437446.6U
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Chinese (zh)
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冷秀英
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Individual
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Individual
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Abstract

The utility model provides a kind of variable automobile back pressure tailpipe, and it comprises: connection tube, and described connection tube is for being connected with automobile exhaust pipe; Exhaust pipe, described exhaust pipe is connected with described connection tube, and described exhaust pipe is provided with waste gas and leads loose hole; Flow-disturbing blast contracting accelerating unit, described flow-disturbing blast contracting accelerating unit comprises outer tube and center shunting guide pipe, described outer tube and described center shunting guide pipe coaxially arrange, between described outer tube and described center shunting guide pipe, be connected by several equally distributed eddy current rotary steering sheets, described eddy current rotary steering sheet has certain distortion angle, one end of described exhaust pipe is inserted in described outer tube, and described eddy current rotary steering sheet is connected with described exhaust pipe.This variable automobile back pressure tailpipe can improve the power stage of motor, and vehicle gait of march is faster, and exhaust exhausting effect is faster, provides suitable back pressure and vehicle is also corresponding in the time of low speed, does not affect exhaust resonance effect.

Description

Variable automobile back pressure tailpipe
Technical field
The utility model relates to automotive field, particularly a kind of exhaust tail pipe of automobile structure for automobile exhaust.
Background technique
Along with day by day increasing the weight of and the energy day by day in short supply of environmental pollution, for automobile, how to make the fuel oil utilization that is fully burned, reduce toxic emission simultaneously and be badly in need of a technical problem that will solve to become a lot of automobile production producer.By giving the smooth and easy exhaust of vehicle high-performance, can allow motor suck the air that more oxygen content are many, thereby promote power performance, this is also the most simple and effective engine potency method of improving.Comparatively speaking, what most of depot adopted improves combustion efficiency, commonly turbosupercharging or electronic type supply fan at home, wherein important reason is not only for reaching the lifting in performance, importantly engine bears pressure, and the smooth and easy discharge of waste gas after effectively will burn, be only the main purpose of improving engine usefulness, so simpler and do not injure the design of former car than air inlet from exhaust assistant.
The vent systems that automobile production producer is used is through test repeatedly; for the many-side such as power performance, environmental-protecting performance and fuel economy and cost of production of guaranteeing vehicle is considered the product of designing; form rational collocation with the power of vehicle; especially concerning small displacement vehicle, exhaust conventionally can be not too smooth and easy.Basic general knowledge is that repacking vent systems reduces exhaust resistance, makes exhaust more smoothly.But in fact vent systems is not more smooth and easy better, because the burning of doing work successively that the working principle of motor is every cylinder, then exhaust, thus the process of exhaust be not continual outside car combustion gas, the actual waste gas producing is discharging from vent systems of ripple one ripple.If the more unobstructed effect that can not really play raising exhaust efficiency of just simply automobile exhaust pipe being done.
Model utility content
The shortcoming of prior art in view of the above, the purpose of this utility model is to provide a kind of variable automobile back pressure tailpipe that can effectively improve motor vehicle exhaust emission usefulness.
For achieving the above object and other relevant objects, the utility model provides a kind of variable automobile back pressure tailpipe, and it comprises: connection tube, and described connection tube is for being connected with automobile exhaust pipe; Exhaust pipe, described exhaust pipe is connected with described connection tube, and described exhaust pipe is provided with waste gas and leads loose hole; Flow-disturbing blast contracting accelerating unit, described flow-disturbing blast contracting accelerating unit comprises outer tube and center shunting guide pipe, described outer tube and described center shunting guide pipe coaxially arrange, between described outer tube and described center shunting guide pipe, be connected by several equally distributed eddy current rotary steering sheets, described eddy current rotary steering sheet has certain distortion angle, one end of described exhaust pipe is inserted in described outer tube, and described eddy current rotary steering sheet is connected with described exhaust pipe.Preferably, the distortion angle of described eddy current rotary steering sheet is 8-12 °.
Preferably, the blade angle of described eddy current rotary steering sheet is 8-10 °.
Preferably, between described outer tube and described center shunting guide pipe, be provided with 6 eddy current rotary steering sheets.
Preferably, on described eddy current rotary steering sheet, be also provided with waste gas and lead loose hole.
Preferably, described outer tube is provided with the chamfering of outward opening near one end inner peripheral surface of described exhaust pipe.
Preferably, the angle of described chamfering is 50-60 °.
Preferably, described exhaust pipe is positioned at the length of described outside pipe and the Length Ratio of described outer tube is greater than 1:5.
As mentioned above, variable automobile back pressure tailpipe of the present utility model has following beneficial effect: this variable back pressure tailpipe can utilize at the car crosswind of vehicle traveling process and produce flow-disturbing effect, indirectly the waste gas in automobile exhaust pipe is extracted out, can improve like this power stage of motor, vehicle gait of march is faster, exhaust exhausting effect is faster, provides suitable back pressure and vehicle is also corresponding in the time of low speed, does not affect exhaust resonance effect.This variable back pressure tailpipe is applicable to generally without air inlet transformation vehicle, do not destroy former factory car engine Intensity Design, and long outlet pipe waste gas can be extracted out, solve the exhaust problem that has some setbacks, can be by engine combustion waste gas enhancing efficiency to 94 ~ 97%, it is just better that while waste gas remains in the indoor fewer combustion efficiency of engine combustion, and the life-span of the few engine of carbon distribution just can promote, the working life that indirectly also can improve other parts.
Brief description of the drawings
Fig. 1 is the utility model embodiment's perspective view.
Fig. 2 is the utility model embodiment's plan view.
Fig. 3 is the utility model embodiment's side view.
Fig. 4 is the utility model embodiment's plan view.
Element numbers explanation.
1 Connection tube
2 Exhaust pipe
3 Outer tube
4 Center shunting guide pipe
5 Eddy current rotary steering sheet
6 Waste gas is led loose hole
Embodiment
By particular specific embodiment, mode of execution of the present utility model is described below, person skilled in the art scholar can understand other advantages of the present utility model and effect easily by the disclosed content of this specification.
Refer to Fig. 1 to Fig. 4.Notice, appended graphic the illustrated structure of this specification, ratio, size etc., all contents in order to coordinate specification to disclose only, understand and read for person skilled in the art scholar, not in order to limit the enforceable qualifications of the utility model, therefore the not technical essential meaning of tool, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under effect that the utility model can produce and the object that can reach, all should still drop on the technology contents that the utility model discloses and obtain in the scope that can contain.Simultaneously, in this specification, quote as " on ", the term of D score, " left side ", " right side ", " centre " and " " etc., also only for ease of understanding of narrating, but not in order to limit the enforceable scope of the utility model, the change of its relativeness or adjustment, changing under technology contents, when being also considered as the enforceable category of the utility model without essence.
As shown in Figures 1 to 4, the utility model provides a kind of variable automobile back pressure tailpipe, and this variable automobile back pressure tailpipe comprises: connection tube 1, exhaust pipe 2 and flow-disturbing blast contracting accelerating unit three parts.Connection tube 1 is for being connected with the tail gas discharging pipe of automobile, and exhaust pipe 2 is connected with connection tube 1, and the vehicle exhaust of being discharged by vehicle vent gas discharging pipe can discharge via connection tube 1, exhaust pipe 2, and exhaust pipe 2 is provided with waste gas and leads loose hole 6.Flow-disturbing blast contracting accelerating unit is positioned at the exhaust end of exhaust pipe 2, and flow-disturbing blast contracting accelerating unit, for generation of flow-disturbing effect, makes vehicle exhaust lead loose hole by waste gas and discharges, and vehicle exhaust is discharged more smoothly.
Flow-disturbing blast contracting accelerating unit comprises outer tube 3 and center shunting guide pipe 4, outer tube 3 coaxially arranges with center shunting guide pipe 4, between outer tube 3 and center shunting armoured conduit 4, form variable vortex and form cabin, between outer tube 3 and center shunting guide pipe 4, be connected by several equally distributed eddy current rotary steering sheets 5, eddy current rotary steering sheet 5 has certain distortion angle.As a kind of specific embodiment, between outer tube and described center shunting guide pipe, be provided with 6 eddy current rotary steering sheets.One end of exhaust pipe 2 is inserted in outer tube 3, forms flow-disturbing blast contracting acceleration channel between outer tube 3 and exhaust pipe 2.Outer tube 3 is provided with the chamfering of outward opening near one end inner peripheral surface of exhaust pipe 2, as a kind of optimal way, the angle of chamfering is set to 50-60 °.
This variable automobile back pressure tailpipe is in the time of work, vehicle exhaust from outlet pipe through connection tube 1, exhaust pipe 2 is outwards exclusive, meanwhile, vehicle in the process of moving, fresh air can enter in outer tube 3, because the opening of outer tube 3 is provided with chamfering, the large inside of its opening is little, because sectional area diminishes, the fresh air entering can be compressed, and then air velocity is increased, the air of high speed compression is led loose hole 6 at waste gas and is formed jet with around center shunting guide pipe 4, generation is entrainmented the air that mobile effect makes waste gas lead loose hole and exhaust pipe 2 outlet ports and is constantly absorbed, form certain vacuum degree, the gas of discharging produces eddy current discharge through eddy current rotary steering sheet 5, waste gas in Jiu Kejiang center shunting guide pipe 4 accelerates to extract out like this.
In order to play better using effect, as a specific embodiment of the present utility model, the distortion angle of eddy current rotary steering sheet 5 can be set to 8-12 °, the blade angle of eddy current rotary steering sheet can be set to 8-10 °, can on eddy current rotary steering sheet, also be provided with waste gas and lead loose hole 6, make exhaust pipe 2 be positioned at the length of outer tube 3 outsides and the Length Ratio of outer tube 3 is greater than 1:5 simultaneously, when variable back pressure tailpipe main body is installed and ground angle present level and can play like this effect that better flow-disturbing accelerates, improve the ventilation velocity of tail gas simultaneously.
This variable back pressure tailpipe can produce flow-disturbing effect at vehicle traveling process, can indirectly the waste gas in automobile exhaust pipe be extracted out, can improve like this power stage of motor, vehicle gait of march is faster, exhaust exhausting effect is faster, provide suitable back pressure and vehicle is also corresponding in the time of low speed, do not affect exhaust resonance effect.Variable back pressure tailpipe is applicable to generally without air inlet transformation vehicle, do not destroy former factory car engine Intensity Design, and long outlet pipe waste gas can be extracted out, solve the exhaust problem that has some setbacks, can be by engine combustion waste gas enhancing efficiency to 94 ~ 97%, it is just better that while waste gas remains in the indoor fewer combustion efficiency of engine combustion, and the life-span of the few engine of carbon distribution just can promote, the working life that indirectly also can improve other parts.
This variable back pressure tailpipe can coordinate fuel feeding and the air burning ratio readjusted after installing automatically with running computer, make its perfect combustion, and then saving fuel oil. test mode can be understood by engine speed table, when idling, the former factory of rotating ratio setting value is some more low, and engine running is more smooth-going, in the time of 90 kilometers of constant speed of automobile running, engine speed is than low before installing, and the oil consumption that proving by the same methods is on the low side can reach car owner's demand.
Through experimental test, this variable back pressure tailpipe can produce the torsion of approximately 0.48 kg/m after installing, be equivalent to 6.77 horsepowers, but generally do not advise car owner's self testing horsepower, because horsepower test is the speed per hour of automobile to be performed to the limit test, the data that obtain are the provable raising that has or not, and car owner's self testing is because testing road without suitable linear accelerating, and on road, changing factor easily meets accident too much, therefore do not advise that car owner attempts easily. and torsion improves, starting is accelerated to show, automobile torsion increases by 0.48 kg/m, the section that blocks up in city loiters, or acceleration shifting process all can be experienced torsion raising, the raising of torsion is the indirectly action of smooth and easy engine also.
At the beginning of this variable back pressure tailpipe, be exactly in order to allow how perfect combustion of engine, be that perfect combustion just reduces pollution waste gas, the original waste gas filtering of complete whole change automobiles and secondary combustion design, but optimize vent systems, so the environmental protection specification standards that former car reaches, only can be better after installing.So the utility model has effectively overcome various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present utility model and effect thereof only, but not for limiting the utility model.Any person skilled in the art scholar all can, under spirit of the present utility model and category, modify or change above-described embodiment.Therefore, have in technical field under such as and conventionally know that the knowledgeable modifies or changes not departing from all equivalences that complete under spirit that the utility model discloses and technological thought, must be contained by claim of the present utility model.

Claims (8)

1. a variable automobile back pressure tailpipe, is characterized in that, it comprises:
Connection tube, described connection tube is for being connected with automobile exhaust pipe;
Exhaust pipe, described exhaust pipe is connected with described connection tube, and described exhaust pipe is provided with waste gas and leads loose hole;
Flow-disturbing blast contracting accelerating unit, described flow-disturbing blast contracting accelerating unit comprises outer tube and center shunting guide pipe, described outer tube and described center shunting guide pipe coaxially arrange, between described outer tube and described center shunting guide pipe, be connected by several equally distributed eddy current rotary steering sheets, described eddy current rotary steering sheet has certain distortion angle, one end of described exhaust pipe is inserted in described outer tube, and described eddy current rotary steering sheet is connected with described exhaust pipe.
2. variable automobile back pressure tailpipe according to claim 1, is characterized in that: the distortion angle of described eddy current rotary steering sheet is 8-12 °.
3. variable automobile back pressure tailpipe according to claim 2, is characterized in that: the blade angle of described eddy current rotary steering sheet is 8-10 °.
4. variable automobile back pressure tailpipe according to claim 1, is characterized in that: between described outer tube and described center shunting guide pipe, be provided with 6 eddy current rotary steering sheets.
5. variable automobile back pressure tailpipe according to claim 1, is characterized in that: on described eddy current rotary steering sheet, be also provided with waste gas and lead loose hole.
6. variable automobile back pressure tailpipe according to claim 1, is characterized in that: described outer tube is provided with the chamfering of outward opening near one end inner peripheral surface of described exhaust pipe.
7. variable automobile back pressure tailpipe according to claim 6, is characterized in that: the angle of described chamfering is 50-60 °.
8. variable automobile back pressure tailpipe according to claim 1, is characterized in that: described exhaust pipe is positioned at the length of described outside pipe and the Length Ratio of described outer tube is greater than 1:5.
CN201420437446.6U 2014-08-04 2014-08-04 Variable automobile back pressure tailpipe Expired - Fee Related CN203978583U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420437446.6U CN203978583U (en) 2014-08-04 2014-08-04 Variable automobile back pressure tailpipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420437446.6U CN203978583U (en) 2014-08-04 2014-08-04 Variable automobile back pressure tailpipe

Publications (1)

Publication Number Publication Date
CN203978583U true CN203978583U (en) 2014-12-03

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104110296A (en) * 2014-08-04 2014-10-22 冷秀英 Automotive return-pressure-variable tail pipe
CN112590379A (en) * 2020-12-18 2021-04-02 无锡天辰技贸发展有限公司 Thermoprinting mechanism of thermoprinting machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104110296A (en) * 2014-08-04 2014-10-22 冷秀英 Automotive return-pressure-variable tail pipe
CN112590379A (en) * 2020-12-18 2021-04-02 无锡天辰技贸发展有限公司 Thermoprinting mechanism of thermoprinting machine

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20141203

Termination date: 20170804

CF01 Termination of patent right due to non-payment of annual fee