CN104564295A - Exhaust and rain-proof cap with drainage and silence structure - Google Patents
Exhaust and rain-proof cap with drainage and silence structure Download PDFInfo
- Publication number
- CN104564295A CN104564295A CN201410764549.8A CN201410764549A CN104564295A CN 104564295 A CN104564295 A CN 104564295A CN 201410764549 A CN201410764549 A CN 201410764549A CN 104564295 A CN104564295 A CN 104564295A
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- exhaust
- gusset
- frame
- hush pipe
- rainhat
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- Exhaust Silencers (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The invention relates to an exhaust and rain-proof cap with a drainage and silence structure, and belongs to the technical field of an exhaust decorative tail pipe of an automobile exhaust system. The cap comprises an outer shell, wherein the upper end of the outer shell is provided with an end cover which sinks towards the interior of the outer shell; the end cover is provided with a first water leakage hole and an exhaust hole which is formed slantwise; the first water leakage hole is positioned in the lower side of the exhaust hole; the lower side of the end cover is hermetically connected with the top of the silence pipe; the side wall of the silence pipe is provided with a plurality of silence holes; the bottom of the silence pipe extends out of the outer shell; the bottom of the outer shell is provided with a second water leakage hole; the silence holes are positioned in the upper side of the second water leakage hole. The exhaust gas flow direction of the exhaust and rain-proof cap faces upwards to guarantee that people and a vehicle body are not blown by tail gas, and the influence of the noise of the exhaust tail pipe on an entire vehicle is reduced.
Description
Technical field
The present invention relates to automobile exhaust system exhaust decorative tail tube, be specifically related to a kind of exhaust rainhat with draining and noise elimination structure.
Background technique
At present, military offroad vehicle vent systems all requires function of paddling.Meet this function, first, each assembly of vent systems and joint must ensure sealing; Secondly, the minimum point of the position of exhaust air outlet must higher than Height of paddling (1.2m or 1.5m); In addition, tailpipe outlet is rainproof.Otherwise, car paddle and rainy time, water can enter motor through vent systems, the serious risks such as cylinder is flame-out, cylinder and piston corrosion that cause motor to flood.Military go-anywhere vehicle tailpipe is ensureing that relief opening paddles height simultaneously, also will reasonably directing exhaust gas airflow direction, can not blow people's (exhaust temperature height is easily hurted sb.'s feelings) and can not blow again vehicle body (easily hinder body paint, affect outward appearance).The layout of vent position and Way out, passenger car and the commercial car vent position overwhelming majority are arranged in the afterbody of car, and discharge directions backward or obliquely backward, meets and do not blow people and vehicle body requirement, but height-limited system of paddling; Minority commercial car is vented from the side, and this exhaust mode easily blows people, and tailpipe noise easily affects car load reaching by noise; Relief opening is arranged in the top of car by minority commercial car and external cross-country military vehicle driver, and discharge directions is discharged obliquely backward or obliquely backward, meets the requirement of not blowing people and vehicle body, paddles and highly easily meet, but not rainproof.
Summary of the invention
Object of the present invention is exactly the defect for prior art, provides a kind of exhaust rainhat with draining and noise elimination structure.
The technical solution used in the present invention is: comprise frame, described frame upper end is provided with the end cap of outside enclosure interior depression, the exhaust port described end cap having the first water-leaking hole and be obliquely installed, described first water-leaking hole is positioned at below exhaust port, be connected with hush pipe top seal on the downside of described end cap, described hush pipe sidewall have some bloops, bottom described hush pipe, stretches out frame, have the second water-leaking hole bottom described frame, described bloop is positioned at above the second water-leaking hole.
Preferred structure further, described end cap comprises the bottom of level and the gusset of inclination, and described bottom outer is connected with edge under gusset, and described gusset is connected along with edge on frame, and described exhaust port is arranged on gusset, and described first water-leaking hole is arranged on bottom.
Further preferred structure, is provided with the mounting groove upwards caved in for being connected with hush pipe top on the downside of described bottom.
The another kind of scheme preferably of the present invention: described end cap comprises the gusset of bottom and inclination, and described gusset is connected along with edge on frame, along being connected with bottom under described gusset; Described bottom comprises the core connected successively, the transition portion be in tilted layout and horizontal component; Along connecting core in described transition portion, outer connects horizontal component, and described exhaust port is arranged on transition portion; Along connecting transition portion in described horizontal component, outer connects gusset, and described first water-leaking hole is arranged on horizontal component.
Further preferred structure, described core is the structure upwards caved in for being connected with hush pipe top.
Preferred structure further, be provided with the hole of stretching out for hush pipe bottom described frame, outer, described hole is connected and fixed flange, and described fixing flange and hush pipe outer wall are fitted fixing.
Preferred structure further, bottom described hush pipe, sidewall has evenly spaced gap.
The present invention is vented rainhat exhaust airstream direction upwards, ensures that tail gas does not blow people and vehicle body, reduces tailpipe noise to the impact of car load by noise; The location arrangements of relief opening more than height of paddling, exhaust rainhat there is rainproof and drain function, ensure car paddle and rainy time, water can not enter into motor; This exhaust rainhat has sound-deadening and noise-reducing function, is conducive to reducing tailpipe noise; Adopt this exhaust rainhat, tailpipe trend can be simplified, reduce tail pipe length, tailpipe weight can be alleviated, reduce exhaust back pressure; This is vented rainhat, designs ingenious, and novel, outward appearance is beautiful, and structure is simple, and easily manufacture, cost is low, and installation and removal are convenient, and generalization, seriation degree are high, easily realize onboard.
Accompanying drawing explanation
Fig. 1 is the embodiment of the present invention one sectional view;
Fig. 2 is the embodiment of the present invention one plan view;
Fig. 3 is the embodiment of the present invention one schematic appearance;
Fig. 4 is scheme of installation of the present invention;
Fig. 5 is the embodiment of the present invention two structural representation.
In figure, 1-end cap, 2-frame, 3-hush pipe, 4-exhaust port, 5-first water-leaking hole, 6-second water-leaking hole, 7-bloop, 8-gap, 9-rainhat assembly, 10-hoop, 11-outlet pipe.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail, is convenient to be well understood to the present invention, but they do not form restriction to the present invention.
The present invention includes frame 2, described frame 2 upper end is provided with the end cap 1 to frame 2 inner recess, the exhaust port 4 described end cap 1 having the first water-leaking hole 5 and be obliquely installed, described first water-leaking hole 5 is positioned at below exhaust port 4, be connected with hush pipe 3 top seal on the downside of described end cap 1, described hush pipe 3 sidewall have some bloops 7, bottom described hush pipe 3, stretches out frame 2, have the second water-leaking hole 6 bottom described frame 2, described bloop 7 is positioned at above the second water-leaking hole 6.Be provided with the hole of stretching out for hush pipe 3 bottom described frame 2, outer, described hole is connected and fixed flange 1.4, and described fixing flange 1.4 is fitted fixing with hush pipe 3 outer wall.Bottom described hush pipe 3, sidewall has evenly spaced gap 8.
Embodiment one: as shown in Fig. 1-Fig. 3, the bottom 1.1 that described end cap 1 comprises level and the gusset 1.2 tilted, the 1.2 times edges in described bottom 1.1 outer and gusset are connected, described gusset 1.2 is connected along with edge on frame 2, described exhaust port 4 is arranged on gusset 1.2, and described first water-leaking hole 5 is arranged on bottom 1.1.The mounting groove 1.3 upwards caved in for being connected with hush pipe 3 top is provided with on the downside of described bottom 1.1.
Embodiment two: as shown in Figure 5, the gusset 1.2 that described end cap 1 comprises bottom 1.1 and tilts, and described gusset 1.2 is connected along with edge on frame 2, and described gusset 1.2 times edges are connected with bottom 1.1; Described bottom 1.1 comprises the core 1.11 connected successively, the transition portion 1.12 be in tilted layout and horizontal component 1.13; Along connecting core 1.11 in described transition portion 1.12, outer connects horizontal component 1.13, and described exhaust port 4 is arranged on transition portion 1.12; Along connecting transition portion 1.12 in described horizontal component 1.13, outer connects gusset 1.2, and described first water-leaking hole 5 is arranged on horizontal component 1.13.Described core 1.11 is the structure upwards caved in for being connected with hush pipe 3 top.
As shown in Figure 4, assembling assembling mode of the present invention: outlet pipe 11 is inserted rainhat assembly 9 one end with gap 8, realizes assembling by the fastening effect of gap 8, hoop 10.
Working principle of the present invention: the realization of rainproof drainage: in routine use process, the ponding of end cap 1 part will be leaked down by the first water-leaking hole 5, and then again by outside the second water-leaking hole 6 removal system bottom frame 2, avoid entering in outlet pipe.
The realization of sound-deadening and noise-reducing effect: the bloop 7 that hush pipe 3 surface is left, forms the structure of similar reactive muffler with the internal cavity of frame 2 and the exhaust port 4 on end cap 1 surface.From the exhaust airstream of outlet pipe 11, enter the internal cavity of frame 2 through bloop 7, due to the sudden change in airflow cross section, make the phenomenons such as component frequency sound wave reflects in cavity inner wall face, interference, reduce the energy of sound wave, thus reach the effect of sound-deadening and noise-reducing.
The content that this specification is not described in detail belongs to the known prior art of professional and technical personnel in the field.
Claims (7)
1. the exhaust rainhat with draining and noise elimination structure, comprise frame (2), it is characterized in that: described frame (2) upper end is provided with the end cap (1) to frame (2) inner recess, the exhaust port (4) described end cap (1) having the first water-leaking hole (5) and be obliquely installed, described first water-leaking hole (5) is positioned at exhaust port (4) below, described end cap (1) downside is connected with hush pipe (3) top seal, described hush pipe (3) sidewall has some bloops (7), frame (2) is stretched out in described hush pipe (3) bottom, described frame (2) bottom has the second water-leaking hole (6), described bloop (7) is positioned at the second water-leaking hole (6) top.
2. a kind of exhaust rainhat with draining and noise elimination structure according to claim 1, it is characterized in that: the bottom (1.1) that described end cap (1) comprises level and the gusset (1.2) tilted, described bottom (1.1) outer is connected with edge under gusset (1.2), described gusset (1.2) is upper along upper along being connected with frame (2), described exhaust port (4) is arranged on gusset (1.2), and described first water-leaking hole (5) is arranged on bottom (1.1).
3. a kind of exhaust rainhat with draining and noise elimination structure according to claim 2, is characterized in that: described bottom (1.1) downside is provided with the mounting groove (1.3) upwards caved in for being connected with hush pipe (3) top.
4. a kind of exhaust rainhat with draining and noise elimination structure according to claim 1, it is characterized in that: the gusset (1.2) that described end cap (1) comprises bottom (1.1) and tilts, described gusset (1.2) is upper along upper along being connected with frame (2), along being connected with bottom (1.1) under described gusset (1.2); Described bottom (1.1) comprises the core (1.11) connected successively, the transition portion (1.12) be in tilted layout and horizontal component (1.13); Along connecting core (1.11) in described transition portion (1.12), outer connects horizontal component (1.13), and described exhaust port (4) is arranged on transition portion (1.12); Along connecting transition portion (1.12) in described horizontal component (1.13), outer connects gusset (1.2), and described first water-leaking hole (5) is arranged on horizontal component (1.13).
5. a kind of exhaust rainhat with draining and noise elimination structure according to claim 4, is characterized in that: described core (1.11) is the structure upwards caved in for being connected with hush pipe (3) top.
6. a kind of exhaust rainhat with draining and noise elimination structure according to claim 1, it is characterized in that: described frame (2) bottom is provided with the hole of stretching out for hush pipe (3), outer, described hole is connected and fixed flange (1.4), and described fixing flange (1.4) and hush pipe (3) outer wall are fitted fixing.
7. a kind of exhaust rainhat with draining and noise elimination structure according to claim 1, is characterized in that: described hush pipe (3) bottom sidewall has evenly spaced gap (8).
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CN201410764549.8A CN104564295B (en) | 2014-12-11 | 2014-12-11 | Exhaust and rain-proof cap with drainage and silence structure |
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CN201410764549.8A CN104564295B (en) | 2014-12-11 | 2014-12-11 | Exhaust and rain-proof cap with drainage and silence structure |
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CN104564295A true CN104564295A (en) | 2015-04-29 |
CN104564295B CN104564295B (en) | 2017-05-10 |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105156193A (en) * | 2015-09-09 | 2015-12-16 | 保隆(安徽)汽车配件有限公司 | Tail pipe assembly for automobile exhaust pipe |
CN105351618A (en) * | 2015-07-08 | 2016-02-24 | 奇瑞汽车股份有限公司 | Expansion interference absorption type silencer |
CN105545440A (en) * | 2016-02-01 | 2016-05-04 | 中航鼎衡造船有限公司 | Fireproof ventilation cap for liquefied gas ship |
CN107246309A (en) * | 2017-07-25 | 2017-10-13 | 泰豪科技股份有限公司 | Telescopic smoke evacuation rainhat |
CN109973191A (en) * | 2019-03-28 | 2019-07-05 | 潍柴动力股份有限公司 | A kind of water proof type tailpipe |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4106290A (en) * | 1977-05-18 | 1978-08-15 | Johnson Donald E | Protective cap assembly for an exhaust pipe |
CN203925706U (en) * | 2014-05-08 | 2014-11-05 | 辽宁邮电规划设计院有限公司 | Communications office site's standby power supply smoke-ejecting pipe end environmental protection device |
-
2014
- 2014-12-11 CN CN201410764549.8A patent/CN104564295B/en active Active
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105351618A (en) * | 2015-07-08 | 2016-02-24 | 奇瑞汽车股份有限公司 | Expansion interference absorption type silencer |
CN105351618B (en) * | 2015-07-08 | 2017-08-04 | 奇瑞汽车股份有限公司 | One kind expansion interference absorption-type silencer |
CN105156193A (en) * | 2015-09-09 | 2015-12-16 | 保隆(安徽)汽车配件有限公司 | Tail pipe assembly for automobile exhaust pipe |
CN105156193B (en) * | 2015-09-09 | 2018-01-19 | 保隆(安徽)汽车配件有限公司 | A kind of automobile exhaust pipe tail pipe component |
CN105545440A (en) * | 2016-02-01 | 2016-05-04 | 中航鼎衡造船有限公司 | Fireproof ventilation cap for liquefied gas ship |
CN105545440B (en) * | 2016-02-01 | 2018-06-29 | 中航鼎衡造船有限公司 | A kind of liquefied gas marine fireproof Ventilated cap |
CN107246309A (en) * | 2017-07-25 | 2017-10-13 | 泰豪科技股份有限公司 | Telescopic smoke evacuation rainhat |
CN109973191A (en) * | 2019-03-28 | 2019-07-05 | 潍柴动力股份有限公司 | A kind of water proof type tailpipe |
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Publication number | Publication date |
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CN104564295B (en) | 2017-05-10 |
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Address after: 430056 No. 1 Dongfeng Avenue, Wuhan economic and Technological Development Zone, Hubei, Wuhan Patentee after: dFac Address before: 430056 No. 1 Dongfeng Avenue, Wuhan economic and Technological Development Zone, Hubei, Wuhan Patentee before: Dongfeng Car Co. |