CN208040670U - Outlet pipe assembly, electronic vacuum pump and automobile - Google Patents
Outlet pipe assembly, electronic vacuum pump and automobile Download PDFInfo
- Publication number
- CN208040670U CN208040670U CN201820430072.3U CN201820430072U CN208040670U CN 208040670 U CN208040670 U CN 208040670U CN 201820430072 U CN201820430072 U CN 201820430072U CN 208040670 U CN208040670 U CN 208040670U
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- Prior art keywords
- outlet pipe
- pipe assembly
- main paragraph
- connecting tube
- vacuum pump
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Abstract
The utility model is related to electronic vacuum pump fields, a kind of outlet pipe assembly is provided, electronic vacuum pump and automobile, the outlet pipe assembly includes throttling noise reducing pipe and the front end connecting tube and rear end connecting tube for being connected to the throttling noise reducing pipe both ends, the throttling noise reducing pipe includes main paragraph, the main paragraph includes at least two subsegments in an axial direction, the baffle radially extended there are one being respectively set in each subsegment, each baffle forms jagged to form airflow mouth between the inner wall of the subsegment at one end respectively, for the two neighboring baffle, the notch of the notch in the axial projection and another one in another one of the main paragraph in one of which offsets one from another.Outlet pipe assembly described in the utility model, which can play, reduces the effect that air velocity reduces noise, the noise for being conducive to generate when the electronic vacuum pump reduced exhaust for electronic vacuum pump gas outlet.
Description
Technical field
The utility model is related to electronic vacuum pump accessory technical field, more particularly to a kind of outlet pipe assembly, electronic vacuum
Pump and automobile.
Background technology
With the growing tension of world energy sources demand, automobile is increasingly paid close attention to the problem of reducing oil consumption, at present national policy
More favor in new-energy automobile, and new-energy automobile is compared with orthodox car, since the braking technology under electric-only mode is special
Point, more and more vehicles use blade type electronic vacuum pump as the vacuum source of braking system, existing blade type electronic vacuum
Pump does not have effective noise reduction mode for the noise that outlet gas is discharged, and in electronic vacuum pump work, gas is by gas outlet
Quickly discharge when will produce high frequency birdie and gas by apparent " giving a tongue-lashing " sound, influence the riding comfort of passenger.
Utility model content
In view of this, the utility model is directed to a kind of outlet pipe assembly, which can be played into reduction
Air velocity reduce noise effect, and the utility model further relate to include the outlet pipe assembly electronic vacuum pump and
Include the vehicle of the electronic vacuum pump.
In order to achieve the above objectives, the technical solution of the utility model is realized in：
A kind of outlet pipe assembly, the outlet pipe assembly include throttling noise reducing pipe and are connected to the throttling noise reducing pipe
The front end connecting tube and rear end connecting tube at both ends, the throttling noise reducing pipe includes main paragraph, and the main paragraph includes extremely in an axial direction
Lack two subsegments, is respectively set in each subsegment there are one the baffle radially extended, each baffle distinguishes shape at one end
At jagged to form airflow mouth between the inner wall of the subsegment, for the two neighboring baffle, in one of which
The notch of the notch in the axial projection and another one in another one of the main paragraph offset one from another.
Further, for the two neighboring baffle, projection of the notch in another one in one of which with
The notch in another one is along the radial relative to each other of the main paragraph.
Further, vent entrance openings and aeration vent are respectively formed on two end faces of the main paragraph in an axial direction, institute
It further includes the upper connector extended axially outwardly out respectively from the vent entrance openings and the aeration vent to state throttling noise reducing pipe
And lower connector, the front end connecting tube and the rear end connecting tube are connected to the upper connector and the lower connection
Pipe.
Further, the part of the upper connector being connect with the main paragraph is formed towards the main paragraph internal diameter
It gradually increases and/or the part of the lower connector being connect with the main paragraph is formed towards in the main paragraph
Diameter gradually increases.
Further, the vent entrance openings can along the main paragraph axial direction whole projection on the adjacent baffle,
And/or the aeration vent can be along the main paragraph axial direction whole projection on the adjacent baffle.
Further, the upper connector is anti-skidding for being formed on the outer wall with front end connecting tube coupling part
De- structure and/or the lower connector it is anti-skidding for being formed on the outer wall with rear end connecting tube coupling part
De- structure.
Further, the main paragraph includes three subsegments, and the outer wall of the two neighboring subsegment is relative to each other
End face on be cooperatively respectively formed fluted and cutting, the cutting is inserted into the groove, so that adjacent two
A subsegment can be plugged in together.
Further, the tail portion of the rear end connecting tube is formed towards tail end internal diameter and gradually increases.
The another object of the utility model is to propose a kind of electronic vacuum pump, be provided with according to described in the utility model
The front of outlet pipe assembly, the front end connecting tube of the outlet pipe assembly is connected to the gas outlet of the electronic vacuum pump.
The further object of the utility model is to propose a kind of automobile, be provided with true according to electronics described in the utility model
Sky pump.
In the outlet pipe assembly of the utility model, by the way that the main paragraph for the noise reducing pipe that throttles is divided into multiple subsegments, and
Baffle is respectively set in each subsegment so that the notch on each baffle is the cloth interlaced with each other that begins to rehearse, to lead to when air-flow
When crossing the throttling noise reducing pipe, each airflow mouth is not in alignment, air-flow can by each baffle, dispersion, turn
To, drop can and reduction of speed, as a result, finally from throttling noise reducing pipe be discharged air velocity substantially reduce, caused by discharge air-flow
Noise also reduces.The outlet pipe assembly can be used for electronic vacuum pump, such as front end connecting tube is connected to electronic vacuum pump
Gas outlet and obtain reduce electronic vacuum pump exhaust noise effect, certainly, the outlet pipe assembly can be used for other
In any suitable device and system.
Other features and advantages of the utility model will be described in detail in subsequent specific embodiment part.
Description of the drawings
The attached drawing for constituting the part of the utility model is used to provide a further understanding of the present invention, this practicality is new
The exemplary embodiment and its explanation of type are not constituted improper limits to the present invention for explaining the utility model.
In the accompanying drawings：
Fig. 1 is the side view of the outlet pipe assembly described in the utility model embodiment；
Fig. 2 is the sectional view along Fig. 1 center line A-A cuttings.
Reference sign：
1 throttling 11 subsegment of noise reducing pipe
12 baffle, 13 airflow mouth
14 upper connector, 15 lower connector
2 front end connecting tube, 3 rear end connecting tube
Specific implementation mode
It should be noted that in the absence of conflict, the spy in embodiment and embodiment in the utility model
Sign can be combined with each other.
In the present invention, it is to be understood that term " deviating from ", " direction ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right" is corresponding with the orientation or positional relationship of actual use；" inside and outside " refers to phase
For each component itself profile it is inside and outside；It is merely for convenience of describing the present invention and simplifying the description, rather than indicates institute
The device or element of finger must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as to this reality
With novel limitation.
The utility model is described in detail below with reference to the accompanying drawings and in conjunction with embodiment.
The utility model provides a kind of outlet pipe assembly, and the outlet pipe assembly includes throttling noise reducing pipe 1 and connects respectively
It is connected to the front end connecting tube 2 and rear end connecting tube 3 at 1 both ends of the throttling noise reducing pipe, the throttling noise reducing pipe 1 includes main paragraph,
The main paragraph includes in an axial direction at least two subsegments 11, is respectively set that there are one the baffles that radially extend in each subsegment 11
12, each baffle 12 forms jagged to form airflow mouth between the inner wall of the subsegment 11 at one end respectively
13, for the two neighboring baffle 12, the notch in one of which is along the axial throwing in another one of the main paragraph
Shadow offsets one from another with the notch in another one.
In the outlet pipe assembly of the utility model, by the way that the main paragraph for the noise reducing pipe 1 that throttles is divided into multiple subsegments 11, and
And baffle 12 being respectively set in each subsegment 11 so that the notch on each baffle 12 is the cloth interlaced with each other that begins to rehearse, to
When air-flow is by the throttling noise reducing pipe 1, each airflow mouth 13 is not in alignment, and air-flow can be by each baffle 12
Blocking dispersion, turns to, drops energy and reduction of speed, and the air velocity being finally discharged as a result, from throttling noise reducing pipe 1 substantially reduces, by being discharged
Noise caused by air-flow also reduces.The outlet pipe assembly can be used for electronic vacuum pump, such as front end connecting tube 2 is connected
Being obtained in the gas outlet of electronic vacuum pump reduces the effect of electronic vacuum pump exhaust noise, certainly, the outlet pipe assembly
It can be used in other any suitable device and system.
In order to obtain the noise reduction that more preferably throttles, it is preferable that for the two neighboring baffle 12, in one of which
The notch of the notch in the projection and another one in another one is along the radial relative to each other of the main paragraph, referring to figure
Embodiment shown in 2.
Also, in present embodiment, specifically, be respectively formed on two end faces of the main paragraph in an axial direction ventilate into
Mouthful and aeration vent, the throttling noise reducing pipe 1 further include respectively from the vent entrance openings and the aeration vent axially outward
The upper connector 14 and lower connector 15 extended, the front end connecting tube 2 and the rear end connecting tube 3 are connected to described
Upper connector 14 and the lower connector 15.
Preferably, the part of the upper connector 14 being connect with the main paragraph is formed towards the main paragraph internal diameter
It gradually increases and/or the part of the lower connector 15 being connect with the main paragraph is formed towards the main paragraph
Internal diameter gradually increases, so that air-flow is expelled to lower company when being reached in main paragraph by upper connector 14 and from main paragraph
It is more smoothed out when take over 15, reduces the noise that friction etc. is brought.
Also, it is further preferred that the vent entrance openings can be along the main paragraph axial direction whole projection in adjacent institute
It states on baffle 12 and/or the aeration vent can be along the main paragraph axial direction whole projection in the adjacent baffle
On 12, referring still to Fig. 2, that is to say, that after air-flow is by vent entrance openings, can fully be occurred by the blocking of baffle 12
It turns to, and after air-flow is by last block baffle 12, can not also be blown into aeration vent as the crow flies, but need to turn to
After enter back into vent entrance openings, to be conducive to obtain preferably to air-flow accelerate noise reduction effect.
Referring to Fig. 2, in present embodiment, the upper connector 14 for existing with 2 coupling part of front end connecting tube
Be formed on outer wall slip-preventing structure and/or the lower connector 15 be used for and 3 coupling part of rear end connecting tube
It is formed with slip-preventing structure on the outer wall.For example, the slip-preventing structure can be respectively along away from the upper connector 14 with
The detaching direction of the front end connecting tube 2 from the outwardly projecting protrusion of 14 outer wall of the upper connector, and deviate from the lower company
Take over 15 and 3 detaching direction of rear end connecting tube from the outwardly projecting protrusion of 15 outer wall of the lower connector.
Also, in present embodiment, specifically, the main paragraph includes three subsegments 11, the two neighboring son
The outer wall of section 11 is cooperatively respectively formed fluted and cutting on end face relative to each other, and the cutting is inserted into described
In groove, so that the two neighboring subsegment 11 can be plugged in together.
1 part of throttling noise reducing pipe in present embodiment is plastic material, each subsegment 11 and upper connector 14, lower connection
It pipe 15 and can be formed by being molded positioned at end cap of both sides etc., and wherein upper connector 14 and upper end cover integrated injection molding shape
At lower connector 15 and bottom end cover integrated injection molding are formed, and integrated injection molding is formed each subsegment 11 respectively, and then each section passes through again
Plug connection, then using being welded and fixed together, and upper connector 14 and this single piece of upper end cover and lower connection this 15
Identical with this single piece of bottom end cover, two subsegments 11 at main paragraph head and the tail both ends are identical, to be conducive to produce
Manufacture, reduces cost.And for the front end connecting tube 2 and the rear end connecting tube 3, can be respectively rubber material.
It gradually increases, that is, is formed as furthermore it is preferred that the tail portion of the rear end connecting tube 3 is formed towards tail end internal diameter
The tail end of shape is extended out, so that air-flow can smoothly be discharged and reduce air-flow and pipe friction, is also beneficial to reduce exhaust
Noise.
Another aspect according to the present utility model additionally provides a kind of electronic vacuum pump, is provided with described in the utility model
Outlet pipe assembly, the front of the front end connecting tube 2 of the outlet pipe assembly is connected to the gas outlet of the electronic vacuum pump, will
After the outlet pipe assembly of the utility model is connected to electronic vacuum pump, gas outlet of the gas from electronic vacuum pump can be effectively reduced
Generated noise when discharge.
Another aspect according to the present utility model, additionally provides a kind of automobile, is provided with electronics described in the utility model
Vacuum pump, the automobile in particular new-energy automobile, and the electronic vacuum pump in particular blade type electronic vacuum pump, use institute
After stating electronic vacuum pump, due to the exhaust noise of electronic vacuum pump gas outlet, especially high frequency birdie, in the work of outlet pipe assembly
It is substantially reduced under, therefore is conducive to optimize the NVH performances of automobile.
Preferred embodiments of the present invention, still, the utility model and unlimited are described in detail above in association with attached drawing
In this.In the range of the technology design of the utility model, a variety of simple variants can be carried out to the technical solution of the utility model.
It is combined in any suitable manner including each particular technique feature.In order to avoid unnecessary repetition, the utility model
Various combinations of possible ways are no longer separately illustrated.But these simple variants and combination equally should be considered as the utility model institute
Disclosure belongs to the scope of protection of the utility model.
Claims (10)
1. a kind of outlet pipe assembly, which is characterized in that the outlet pipe assembly includes throttling noise reducing pipe (1) and is connected to institute
The front end connecting tube (2) and rear end connecting tube (3) at throttling noise reducing pipe (1) both ends are stated, the throttling noise reducing pipe (1) includes main body
Section, the main paragraph include in an axial direction at least two subsegments (11), are respectively set in each subsegment (11) and prolong there are one radial
The baffle (12) stretched, each baffle (12) form jagged with shape between the inner wall of the subsegment (11) at one end respectively
At airflow mouth (13), for the two neighboring baffle (12), the notch in one of which is along the main paragraph axis
The notch in the projection and another one in another one offsets one from another.
2. outlet pipe assembly according to claim 1, which is characterized in that for the two neighboring baffle (12), wherein
The diameter phase to each other of projection of the notch in another one in one and the notch in another one along the main paragraph
It is right.
3. outlet pipe assembly according to claim 1, which is characterized in that divide on two end faces of the main paragraph in an axial direction
It is not formed with vent entrance openings and aeration vent, the throttling noise reducing pipe (1) further includes respectively from vent entrance openings and described logical
The gas upper connector (14) that extends axially outwardly out of outlet and lower connector (15), the front end connecting tube (2) and it is described after
End connecting tube (3) is connected to the upper connector (14) and the lower connector (15).
4. outlet pipe assembly according to claim 3, which is characterized in that the upper connector (14) with the main paragraph
The part of connection be formed towards the main paragraph internal diameter gradually increase and/or the lower connector (15) with it is described
The part of main paragraph connection is formed towards the main paragraph internal diameter and gradually increases.
5. outlet pipe assembly according to claim 3, which is characterized in that the vent entrance openings can be along the main paragraph axis
To whole projection on the adjacent baffle (12) and/or the aeration vent can be axially complete along the main paragraph
It is whole to be projected on the adjacent baffle (12).
6. outlet pipe assembly according to claim 3, which is characterized in that the upper connector (14) for it is described before
End connecting tube (2) coupling part be formed on the outer wall slip-preventing structure and/or the lower connector (15) for
Rear end connecting tube (3) coupling part is formed with slip-preventing structure on the outer wall.
7. outlet pipe assembly according to claim 1, which is characterized in that the main paragraph includes three subsegments
(11), the outer wall of the two neighboring subsegment (11) is cooperatively respectively formed fluted and slotting on end face relative to each other
Item, the cutting are inserted into the groove, so that the two neighboring subsegment (11) can be plugged in together.
8. outlet pipe assembly according to claim 1, which is characterized in that the tail portion of the rear end connecting tube (3) is formed as
It is gradually increased towards tail end internal diameter.
9. a kind of electronic vacuum pump, which is characterized in that it is provided with the outlet pipe assembly described in any one of claim 1-8,
The front of the front end connecting tube (2) of the outlet pipe assembly is connected to the gas outlet of the electronic vacuum pump.
10. a kind of automobile, which is characterized in that be provided with the electronic vacuum pump described in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820430072.3U CN208040670U (en) | 2018-03-28 | 2018-03-28 | Outlet pipe assembly, electronic vacuum pump and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820430072.3U CN208040670U (en) | 2018-03-28 | 2018-03-28 | Outlet pipe assembly, electronic vacuum pump and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208040670U true CN208040670U (en) | 2018-11-02 |
Family
ID=63946139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820430072.3U Active CN208040670U (en) | 2018-03-28 | 2018-03-28 | Outlet pipe assembly, electronic vacuum pump and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208040670U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111306039A (en) * | 2019-04-11 | 2020-06-19 | 东莞市森旺电机有限公司 | Noise reduction control method of vacuum air pump and vacuum air pump structure capable of reducing noise |
-
2018
- 2018-03-28 CN CN201820430072.3U patent/CN208040670U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111306039A (en) * | 2019-04-11 | 2020-06-19 | 东莞市森旺电机有限公司 | Noise reduction control method of vacuum air pump and vacuum air pump structure capable of reducing noise |
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