CN202574199U - Automobile vacuum booster - Google Patents
Automobile vacuum booster Download PDFInfo
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- CN202574199U CN202574199U CN 201220123776 CN201220123776U CN202574199U CN 202574199 U CN202574199 U CN 202574199U CN 201220123776 CN201220123776 CN 201220123776 CN 201220123776 U CN201220123776 U CN 201220123776U CN 202574199 U CN202574199 U CN 202574199U
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- vacuum
- vacuum booster
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- saving device
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Abstract
The utility model provides an automobile vacuum booster and belongs to the technical field of automobile brake auxiliary systems, and the automobile vacuum booster can be used for solving the technical problem that the automobile can not be braked smoothly and the like since due to over-low vacuum degree, the existing automobile vacuum booster causes the brake pedal to be stepped with difficulty during the automobile braking process. The automobile vacuum booster comprises a vacuum booster and an air filter, wherein a jet device is arranged between the vacuum booster and the air filter; the jet device comprises a main pipe and an accessory pipe vertical to and communicated with the main pipe; one end of the main pipe is communicated with a reducing pipe, and the other end of the main pipe is communicated with a diverging pipe; the other end of the accessory pipe is communicated with the vacuum booster; the other end of the reducing pipe is communicated with the air filter; and the other end of the diverging pipe is communicated with an automobile intake manifold. The automobile vacuum booster can be used for fully improving the vacuum degree in the vacuum booster, and the vacuum booster can fully provide the hydraulic pressure needed, so that the reliability of an automobile brake system is increased.
Description
Technical field
The utility model belongs to automobile brake ancillary system technical field, relates to a kind of work-saving device, particularly a kind of vacuum automobile work-saving device.
Background technology
Along with expanding economy, the raising of living standards of the people, automobile has been come into huge numbers of families.And the vacuum booster unit on the automobile has become indispensable parts on the automobile, safety and reliability when the reasonableness of this component design will directly have influence on automobile brake.At present, most vehicle all disposes the driving engine of natural aspirate, to vacuum booster unit degree of vacuum is provided when relying on engine operation.But because the influence of factor such as engine swept volume, the degree of vacuum that can cause providing is too small or unstable.
Have the too small problem of degree of vacuum based on above-mentioned vacuum booster unit, for the vacuum booster unit on the existing automotive engine, the Chinese patent document discloses a kind of novel evacuated work-saving device [patent No.: ZL200720037883.9; Granted publication number: CN201040525Y].This novel evacuated work-saving device comprises vacuum lamp and is arranged in the check valve on the vacuum lamp that on said vacuum lamp, be provided with the vacuum detecting control setup, described vacuum detecting control setup one end links to each other with entire car controller.Adopt this novel evacuated work-saving device; Can actv. solve when vehicle and be in the state that engine speed is lower or driving engine stops operating; Or go when rarefaction of air regional; The degree of vacuum that driving engine can reach is lower, the non-constant of vacuum-assisted effect, the technical matters that causes vehicle in time to brake.
But also there is complex structure in the vacuum booster unit on the above-mentioned automotive engine, a series of problems such as manufacturing cost height, even also exist because of degree of vacuum cross low when making automobile brake brake pedal hard partially phenomenon appears, be unfavorable for that automobile brakes smoothly.Therefore, press for the product that those skilled in the art design makes new advances, solving these problems that prior art exists, with better assurance automobile can be smooth and safe braking.
Summary of the invention
The purpose of the utility model is to have the problems referred to above to existing technology, has proposed a kind of vacuum automobile work-saving device that can effectively improve the degree of vacuum of automobile vacuum booster.
The purpose of the utility model can realize through following technical proposal: a kind of vacuum automobile work-saving device; Comprise vacuum booster and airfilter; Be provided with ejector between described vacuum booster and the airfilter; Described ejector comprise be responsible for be responsible for the vertical looped pipeline that is provided with and is communicated with, on the person in charge's a end, be communicated with a reducing pipe, on the person in charge's the other end, be communicated with an increaser; The described looped pipeline other end is connected with vacuum booster, and the described reducing pipe other end is connected with airfilter, and the described increaser other end is connected with automobile inlet manifold.
This vacuum automobile work-saving device at first filters airfilter from extraneous inlet air, and the air after obtaining then filtering gets into from reducing pipe; Through being responsible for; Get into increaser again, get into the induction maniflod of automotive engine at last, the final mixing with gasoline forms imflammable gas; Piston is done work, for automobile provides power.The caliber of reducing pipe is by diminish to main tube end near the airfilter end successively, and the caliber of increaser forms a Venturi tube by becoming gradually greatly to the induction maniflod end near main tube end.The principle of Venturi tube is air-flow from the coarse to fine, to accelerate gas flow rate, makes gas form one " vacuum " district at the rear side of venturi outlet.Owing on being responsible for, also be vertically installed with coupled logical looped pipeline, also be connected with vacuum booster on the looped pipeline, so in this vacuum booster, can form one " vacuum " district.
In above-mentioned vacuum automobile work-saving device, be provided with the check valve that the air that makes in being responsible for can't enter into vacuum booster in the described looped pipeline.This check valve can stop is responsible for interior inrush of air in vacuum booster, thereby improves the degree of vacuum in the vacuum booster.
In above-mentioned vacuum automobile work-saving device, be fixed with butt flange on the described looped pipeline, described butt flange is through being bolted on the vacuum booster.This looped pipeline is through being bolted on the vacuum booster, can make fixing more safe and reliable of this looped pipeline, guarantees the influence of factors such as the vacuum booster of connecting with looped pipeline can not receive that the external world rocks.
In above-mentioned vacuum automobile work-saving device, described reducing pipe is connected on the person in charge's the end through helicitic texture, and increaser is connected on the person in charge's the other end through helicitic texture.Adopt this mode bonded assembly person in charge and reducing pipe and increaser can fully guarantee to be responsible for and both leak tightness.
In above-mentioned vacuum automobile work-saving device, the described person in charge, reducing pipe and increaser all adopt the PVdF material to process.The rigidity of this material and bearing capacity are all very high, and can under higher temperature, keep continuing good working order, make it working stability.
In above-mentioned vacuum automobile work-saving device, described looped pipeline is plugged on the person in charge.Be responsible for the state that is communicated with the looped pipeline maintenance, adopt this inserting mode, be responsible for last time, on the looped pipeline end, can form a region of no pressure smoothly when air-flow flow into from airfilter.
In above-mentioned vacuum automobile work-saving device, described reducing pipe is connected with above-mentioned airfilter through a connection hose.Adjusting airfilter that this connection hose can be suitable and the position of vacuum booster relation.
In above-mentioned vacuum automobile work-saving device, described connection hose is connected on the reducing pipe through the mode of clamping.Adopt this mode bonded assembly connection hose and reducing pipe can form sealing, guarantee the circulation of air-flow.
Compared with prior art, this vacuum automobile work-saving device has the following advantages:
1, this vacuum automobile work-saving device; Through between vacuum booster and airfilter, ejector being set; Can fully improve the degree of vacuum in the vacuum booster, make vehicle in braking, vacuum booster can fully provide required hydraulic pressure; Increase the reliability of brake system of car, ensured the safety of automobile.
2, this vacuum automobile work-saving device is simple in structure and easy to maintenance, and productive costs is low, and installation and removal are also extremely simple and convenient.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the structural representation of ejector in the utility model.
Among the figure, 1, airfilter; 2, vacuum booster; 3, ejector; 31, be responsible for; 32, looped pipeline; 33, reducing pipe; 34, increaser; 4, connection hose; 5, induction maniflod.
The specific embodiment
Below be the specific embodiment of the utility model and combine accompanying drawing, the technical scheme of the utility model is done further to describe, but the utility model is not limited to these embodiment.
As shown in Figure 1, a kind of vacuum automobile work-saving device comprises vacuum booster 2 and airfilter 1, between vacuum booster 2 and airfilter 1, is provided with ejector 3.Ejector 3 comprise be responsible for 31 be responsible for the 31 vertical looped pipelines that are provided with and are communicated with 32; On an end of the person in charge 31, be communicated with a reducing pipe 33; On the person in charge 31 the other end, be communicated with an increaser 34; The other end of looped pipeline 32 is connected with vacuum booster 2, and reducing pipe 33 other ends are connected with airfilter 1, and increaser 34 other ends are connected with automobile inlet manifold 5.
As shown in Figure 2, in this vacuum automobile work-saving device, be fixed with butt flange on the looped pipeline 32, butt flange is through being bolted on the vacuum booster 2.This looped pipeline 32 is through being bolted on the vacuum booster 2, can make fixing more safe and reliable of this looped pipeline 32, guarantees the influence of factors such as the vacuum booster of connecting with looped pipeline 32 2 can not receive that the external world rocks.Be provided with the check valve that makes the air of being responsible in 31 can't enter into vacuum booster 2 in the looped pipeline 32, and this looped pipeline 32 is fixed on the person in charge 31 through the mode of pegging graft.This check valve can stop the inrush of air of being responsible in 31 in vacuum booster 2, thereby improves the degree of vacuum in the vacuum booster 2.The person in charge 31 and the state that looped pipeline 32 maintenances are communicated with adopt this inserting mode, are responsible for for 31 last times when air-flow flow into from airfilter 1, on looped pipeline 32 ends, can form a region of no pressure smoothly.
In particular, reducing pipe 33 is connected through helicitic texture on the person in charge 31 the end, and increaser 34 is connected on the person in charge 31 the other end through helicitic texture.Adopt this mode bonded assembly be responsible for 31 with reducing pipe 33 and increaser 34 can fully guarantee to be responsible for 31 with both leak tightness.Reducing pipe 33 is connected with airfilter 1 through a connection hose 4, and connection hose 4 is connected on the reducing pipe 33 through the mode of clamping.Adjusting airfilter 1 that this connection hose 4 can be suitable and the position of vacuum booster 2 relation adopt the mode bonded assembly connection hose 4 of clamping can form sealing with reducing pipe 33, guarantee the circulation of air-flow.The person in charge 31, reducing pipe 33 and increaser 34 all adopt the PVdF material to process.The rigidity of this material and bearing capacity are all very high, and can under higher temperature, keep continuing good working order, make it working stability.
This vacuum automobile work-saving device at first filters airfilter 1 from extraneous inlet air, and the air after obtaining then filtering gets into from reducing pipe 33; Through being responsible for 31; Get into increaser 34 again, get into the induction maniflod 5 of automotive engine at last, the final mixing with gasoline forms imflammable gas; Piston is done work, for automobile provides power.The caliber of reducing pipe 33 is by diminish to being responsible for 31 ends near airfilter 1 end successively, and the caliber of increaser 34 forms a Venturi tube by becoming gradually greatly to induction maniflod 5 ends near being responsible for 31 ends.The principle of Venturi tube is air-flow from the coarse to fine, to accelerate gas flow rate, makes gas form one " vacuum " district at the rear side of venturi outlet.Owing on the person in charge 31, also be vertically installed with coupled logical looped pipeline 32, also be connected with vacuum booster 2 on the looped pipeline 32, so in this vacuum booster 2, can form one " vacuum " district.
Specific embodiment described herein only is that the utility model spirit is made casehistory.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from the spirit of the utility model or surmount the defined scope of appended claims.
Although this paper has used 1, airfilter morely; 2, vacuum booster; 3, ejector; 31, be responsible for; 32, looped pipeline; 33, reducing pipe; 34, increaser; 4, connection hose; 5, term such as induction maniflod, but do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain the essence of the utility model more easily; It all is contrary with the utility model spirit being construed to any additional restriction to them.
Claims (8)
1. vacuum automobile work-saving device; Comprise vacuum booster (2) and airfilter (1); Be provided with ejector (3) between described vacuum booster (2) and the airfilter (1), it is characterized in that, described ejector (3) comprise the person in charge (31) be responsible for (31) the vertical looped pipelines that are provided with and are communicated with (32); On an end of being responsible for (31), be communicated with a reducing pipe (33), on the other end of being responsible for (31), be communicated with an increaser (34); Described looped pipeline (32) other end is connected with vacuum booster (2), and described reducing pipe (33) other end is connected with airfilter (1), and described increaser (34) other end is connected with automobile inlet manifold (5).
2. vacuum automobile work-saving device according to claim 1 is characterized in that, is provided with the check valve that the air that makes in the person in charge (31) can't enter into vacuum booster (2) in the described looped pipeline (32).
3. vacuum automobile work-saving device according to claim 1 and 2 is characterized in that, described looped pipeline is fixed with butt flange on (32), and described butt flange is through being bolted on the vacuum booster (2).
4. vacuum automobile work-saving device according to claim 1 and 2 is characterized in that, described reducing pipe (33) is connected through helicitic texture on the person in charge's (31) the end, and increaser (34) is connected on the other end of the person in charge (31) through helicitic texture.
5. vacuum automobile work-saving device according to claim 1 and 2 is characterized in that, the described person in charge (31), reducing pipe (33) and increaser (34) all adopt the PVdF material to process.
6. vacuum automobile work-saving device according to claim 1 and 2 is characterized in that, described looped pipeline (32) is plugged on the person in charge (31).
7. vacuum automobile work-saving device according to claim 1 and 2 is characterized in that, described reducing pipe (33) is connected with above-mentioned airfilter (1) through a connection hose (4).
8. vacuum automobile work-saving device according to claim 7 is characterized in that, described connection hose (4) is connected on the reducing pipe (33) through the mode of clamping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220123776 CN202574199U (en) | 2012-03-29 | 2012-03-29 | Automobile vacuum booster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220123776 CN202574199U (en) | 2012-03-29 | 2012-03-29 | Automobile vacuum booster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202574199U true CN202574199U (en) | 2012-12-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220123776 Expired - Fee Related CN202574199U (en) | 2012-03-29 | 2012-03-29 | Automobile vacuum booster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202574199U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103362785A (en) * | 2013-08-06 | 2013-10-23 | 吉林东光奥威汽车制动***有限公司 | Automobile electric vacuum pump |
| CN105157910A (en) * | 2015-09-22 | 2015-12-16 | 苏州普京真空技术有限公司 | Vacuum pressure sensor |
-
2012
- 2012-03-29 CN CN 201220123776 patent/CN202574199U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103362785A (en) * | 2013-08-06 | 2013-10-23 | 吉林东光奥威汽车制动***有限公司 | Automobile electric vacuum pump |
| CN103362785B (en) * | 2013-08-06 | 2015-08-12 | 吉林东光奥威汽车制动***有限公司 | A kind of electric vacuum pump of automobile |
| CN105157910A (en) * | 2015-09-22 | 2015-12-16 | 苏州普京真空技术有限公司 | Vacuum pressure sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20210329 |