CN205117452U - Automobile silencer - Google Patents
Automobile silencer Download PDFInfo
- Publication number
- CN205117452U CN205117452U CN201520931745.XU CN201520931745U CN205117452U CN 205117452 U CN205117452 U CN 205117452U CN 201520931745 U CN201520931745 U CN 201520931745U CN 205117452 U CN205117452 U CN 205117452U
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- CN
- China
- Prior art keywords
- housing
- connecting tube
- annular
- tracheae
- hush pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Exhaust Silencers (AREA)
Abstract
The utility model provides an automobile silencer belongs to the automobile parts field. It has solved the current short -lived problem of car exhaust silencer. This automobile silencer including the casing that is the tube -shape with insert the connecting pipe in the casing, the connecting pipe both ends communicate respectively has the trachea, the casing is all stretched out to the trachea outer end, be equipped with a plurality of ventholes no. 1 on the inner lateral wall of trachea, be equipped with a plurality of ventholes no. 2 on the connecting pipe lateral wall, all have on the two trachea outer end lateral walls and paste the annular shoulder who leans on with housing end surface, annular shoulder and housing seal are fixed, connecting pipe and tracheal lateral wall are the face of cylinder, the connecting pipe lateral wall flushes with the trachea lateral wall mutually, the cover has the hush pipe of being made by the amortization cotton on the connecting pipe, the hush pipe is located between connecting pipe and the casing, hush pipe both ends face keeps off takeing on to paste mutually with two annulars respectively and leans on, in the hush pipe, the lateral wall pastes mutually with the inside wall of the lateral wall of connecting pipe and casing respectively and leans on. This automobile silencer has longe -lived advantage.
Description
Technical field
The utility model belongs to auto parts and components field, relates to a kind of mobile muffler.
Background technique
At present, automobile has entered in the life of ordinary family, noise miscellaneous can be produced during automobile running, automobile exhaust noise is exactly the one in car noise, along with the raising to car noise control overflow, automobile exhaust pipe also all loads onto baffler, and the design of baffler is progressively paid attention to.
Existing mobile muffler is a kind of automobile exhaust muffler [application number: 201520293663.7 disclosed in Chinese patent storehouse; Authorization Notice No.: CN204609979U], comprise housing, the suction tude of connection, connecting tube and steam outlet pipe is provided with successively in housing, the tube wall of suction tude, connecting tube and steam outlet pipe is equipped with multiple go out vent hole, dividing plate is provided with in suction tude and connecting tube, dividing plate offers connection through hole, the holding space of connecting tube is all greater than the holding space of suction tude and steam outlet pipe; The inwall of housing is provided with sound absorbing material.
Above-mentioned automobile exhaust muffler absorbs exhaust noise by arranging sound absorbing material on the inwall of housing, has the good advantage of erasure effect.But still there is a problem in this automobile exhaust muffler: the impurity such as water, dust easily to enter in housing and contact with sound absorbing material, causes sound absorbing material easily to occur damage, affects the life-span of baffler.
Summary of the invention
The purpose of this utility model there are the problems referred to above for existing technology, proposes the mobile muffler of length of a kind of life-span.
The purpose of this utility model realizes by following technical proposal: mobile muffler, comprise tubular housing and be inserted in the connecting tube in housing, the two ends of described connecting tube are communicated with tracheae respectively, housing is all stretched out in the outer end of two tracheaes, and the sidewall of the inner of tracheae is provided with multiple air outlet hole one, the sidewall of described connecting tube is provided with multiple air outlet hole two, it is characterized in that, the outer side wall of the outer end of the tracheae described in two all has the annular convex shoulder reclined with housing end face, and annular convex shoulder and housing seal are fixed; Described connecting tube and the outer side wall of tracheae are cylndrical surface, and the outer side wall of the outer side wall of connecting tube and tracheae flushes; On described connecting tube, cover has cylindrically and the hush pipe be made up of silencing cotton, and hush pipe is between connecting tube and housing, and the both ends of the surface of this hush pipe are respectively with two, and annular shoulder block reclines mutually; The inside and outside sidewall of described hush pipe reclines mutually with the outer side wall of connecting tube and the madial wall of housing respectively.
Namely the madial wall of hush pipe all reclines mutually with the outer side wall of two tracheaes; During use, gas is entered, in the process of gas flow by a wherein tracheae, and under the effect of air outlet hole one and air outlet hole two, gas can constantly contact with the hush pipe be made up of silencing cotton, to enable hush pipe absorb more noise, reaches the object of noise reduction.
Hush pipe both ends of the surface respectively with two annular shoulder block recline mutually, the madial wall of hush pipe all recline with the outer side wall of connecting tube and tracheae and the outer side wall of hush pipe and the madial wall of housing recline this three acting in conjunction under, make hush pipe by stable position in housing, increase stability during hush pipe work, thus improve the erasure effect of this baffler.By arranging annular shoulder block and housing seal is fixed, hush pipe is hidden in the sealed chamber that is made up of housing and two annular shoulder blocks, thus effectively avoid hush pipe to contact with external environment condition, effectively to extend the working life of hush pipe, then extend the life-span of baffler.
In above-mentioned mobile muffler, the end face that described annular shoulder block and housing recline mutually offers annular groove, in described annular groove, is provided with Gask-O-Seal, and the both ends of the surface of Gask-O-Seal offset with the end face of housing and the diapire of annular groove respectively.
Under the effect of Gask-O-Seal, formed between annular shoulder block and housing and seal comparatively reliably, to make the carrying out that the object in prolongation baffler life-span is more stable.
Alternatively, in above-mentioned mobile muffler, the end face of described annular shoulder block has the sealed department protruded in tubular, and sealed department is enclosed within housing; The madial wall of described sealed department is provided with annular slot, is provided with 0 RunddichtringO in this annular slot, and the inner peripheral surface of 0 RunddichtringO and the outer side wall of housing offset.
In above-mentioned mobile muffler, the internal diameter of described connecting tube is greater than the internal diameter of tracheae, the both ends of the surface of connecting tube all has the joint protruded in tubular, on tracheae described in two, equal correspondence offers annular spigot, and the joint described in two is all embedded in corresponding annular spigot, described tracheae reclines mutually with both ends of the surface adjacent on connecting tube.
When gas is with when speed enters in connecting tube from tracheae faster, the internal diameter due to connecting tube is greater than the internal diameter of tracheae, to make to produce vacuum phenomenon in connecting tube, to cushion noise further, thus further increases the erasure effect of this baffler.Connecting tube is fixed by the mode in joint embedding annular spigot and tracheae, has stable connection and the advantage of good airproof performance.
In above-mentioned mobile muffler, the two ends of described housing are all bolted with pressure cap, the madial wall of the pressure cap described in two all has the annular gear edge of protrusion, the annular shoulder block described in two is all between two annular gear edges, and described annular shoulder block and annular gear are along offseting.
To be kept off edge and the mode that housing offsets respectively with annular by the both ends of the surface of annular shoulder block at connecting tube to realize being connected with housing detachable and connecting tube to realize detachably being connected with tracheae under both acting in conjunction by the joint mode embedded in annular spigot, change separately to realize hush pipe, entirety can only change relative to existing baffler, there is the advantage that better cost is low.
Compared with prior art, this mobile muffler has the following advantages:
1, hush pipe both ends of the surface respectively with two annular shoulder block recline mutually, the madial wall of hush pipe all recline with the outer side wall of connecting tube and tracheae and the outer side wall of hush pipe and the madial wall of housing recline this three acting in conjunction under, make hush pipe by stable position in housing, increase stability during hush pipe work, thus improve the erasure effect of this baffler.
2, by arranging annular shoulder block and housing seal is fixed, hush pipe is hidden in the sealed chamber that is made up of housing and two annular shoulder blocks, thus effectively avoid hush pipe to contact with external environment condition, effectively to extend the working life of hush pipe, then extend the life-span of baffler.
3, to be kept off edge and the mode that housing offsets respectively with annular by the both ends of the surface of annular shoulder block at connecting tube to realize being connected with housing detachable and connecting tube to realize detachably being connected with tracheae under both acting in conjunction by the joint mode embedded in annular spigot, change separately to realize hush pipe ground, entirety can only change relative to existing baffler, there is the advantage that better cost is low.
Accompanying drawing explanation
Fig. 1 is the structural representation of this mobile muffler.
Fig. 2 is the structure for amplifying schematic diagram at A place in Fig. 1.
In figure, 1, housing; 2, connecting tube; 2a, joint; 2b, air outlet hole two; 3, tracheae; 3a, air outlet hole one; 3b, annular convex shoulder; 4, pressure cap; 4a, annular gear edge; 5, hush pipe; 6, Gask-O-Seal.
Embodiment
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
Embodiment one
As shown in Figure 1, this mobile muffler is made up of housing 1, connecting tube 2, tracheae 3, pressure cap 4, hush pipe 5 etc.
Wherein, housing 1 is in tubular, and in the present embodiment, preferred housing 1 cylindrically.Connecting tube 2 is inserted in housing 1, and the two ends of this connecting tube 2 are communicated with tracheae 3 respectively.Specifically, as depicted in figs. 1 and 2, the internal diameter of connecting tube 2 is greater than the internal diameter of tracheae 3; The both ends of the surface of connecting tube 2 all has the joint 2a protruded in tubular, on two tracheaes 3, equal correspondence offers annular spigot, and two joint 2a are all embedded in corresponding annular spigot, while realizing connecting tube 2 and tracheae 3 stable position, connecting tube 2 can be realized again and be removably connected with tracheae 3.Further optimization, tracheae 3 reclines mutually with adjacent both ends of the surface on connecting tube 2, to increase the area of contact of tracheae 3 and connecting tube 2, thus the further stability improving tracheae 3 and be connected with connecting tube 2.
As shown in Figure 1, housing 1 is all stretched out in the outer end of two tracheaes 3, and the sidewall of the inner of tracheae 3 is provided with multiple air outlet hole one 3a.The sidewall of connecting tube 2 is provided with multiple air outlet hole two 2b.The outer side wall of the outer end of two tracheaes 3 all has the annular convex shoulder 3b reclined with housing 1 end face, and annular convex shoulder 3b and housing 1 seal fixing.In the present embodiment, the end face that annular shoulder block and housing 1 recline mutually offers annular groove, Gask-O-Seal 6 is provided with in annular groove, and the both ends of the surface of Gask-O-Seal 6 offset with the end face of housing 1 and the diapire of annular groove respectively, seal comparatively reliably to make to be formed between annular shoulder block and housing 1.Further illustrate, the outer side wall of connecting tube 2 and tracheae 3 is cylndrical surface, and the outer side wall of the outer side wall of connecting tube 2 and tracheae 3 flushes.
As shown in Figure 1, the two ends of housing 1 are all bolted with pressure cap 4, and the madial wall of two pressure caps 4 all has the annular gear of protrusion along 4a, two annular shoulder blocks all keep off between 4a in two annulars, and annular shoulder block and annular gear offset along 4a, thus realize the object that connecting tube 2 and tracheae 3 removably connect.Nature, employing " annular shoulder block is fixed with housing 1 by some screws " this technological scheme is same can realize tracheae 3 and the detachable fixing object of housing 1.
Hush pipe 5 cylindrically and be made up of silencing cotton.This hush pipe 5 to be enclosed within connecting tube 2 and between connecting tube 2 and housing 1.As shown in Figure 1, annular shoulder block reclines the both ends of the surface of hush pipe 5 mutually with two respectively, and the inside and outside sidewall of hush pipe 5 reclines mutually with the outer side wall of connecting tube 2 and the madial wall of housing 1 respectively, and namely the madial wall of hush pipe 5 also all reclines with the outer side wall of two tracheaes 3 mutually.
During use, gas passes through a wherein tracheae 3 and enters, in the process of gas flow, and under the effect of air outlet hole one 3a and air outlet hole two 2b, gas can constantly contact with the hush pipe 5 be made up of silencing cotton, to make hush pipe 5 can absorb more noise, reaches the object of noise reduction.
Embodiment two
The present embodiment two with the structure of embodiment one and principle substantially identical, different place is: the end face of annular shoulder block has the sealed department protruded in tubular, and sealed department is enclosed within housing 1, the madial wall of sealed department is provided with annular slot, be provided with 0 RunddichtringO in annular slot, and the outer side wall of the inner peripheral surface of 0 RunddichtringO and housing 1 offsets.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (5)
1. mobile muffler, comprise tubular housing and be inserted in the connecting tube in housing, the two ends of described connecting tube are communicated with tracheae respectively, housing is all stretched out in the outer end of two tracheaes, and the sidewall of the inner of tracheae is provided with multiple air outlet hole one, the sidewall of described connecting tube is provided with multiple air outlet hole two, it is characterized in that, the outer side wall of the outer end of the tracheae described in two all has the annular convex shoulder reclined with housing end face, and annular convex shoulder and housing seal are fixed; Described connecting tube and the outer side wall of tracheae are cylndrical surface, and the outer side wall of the outer side wall of connecting tube and tracheae flushes; On described connecting tube, cover has cylindrically and the hush pipe be made up of silencing cotton, and hush pipe is between connecting tube and housing, and the both ends of the surface of this hush pipe are respectively with two, and annular shoulder block reclines mutually; The inside and outside sidewall of described hush pipe reclines mutually with the outer side wall of connecting tube and the madial wall of housing respectively.
2. mobile muffler according to claim 1, it is characterized in that, the end face that described annular shoulder block and housing recline mutually offers annular groove, be provided with Gask-O-Seal in described annular groove, and the both ends of the surface of Gask-O-Seal offset with the end face of housing and the diapire of annular groove respectively.
3. mobile muffler according to claim 1, is characterized in that, the end face of described annular shoulder block has the sealed department protruded in tubular, and sealed department is enclosed within housing; The madial wall of described sealed department is provided with annular slot, is provided with 0 RunddichtringO in this annular slot, and the inner peripheral surface of 0 RunddichtringO and the outer side wall of housing offset.
4. mobile muffler according to claim 1, it is characterized in that, the internal diameter of described connecting tube is greater than the internal diameter of tracheae, the both ends of the surface of connecting tube all has the joint protruded in tubular, on tracheae described in two, equal correspondence offers annular spigot, and the joint described in two is all embedded in corresponding annular spigot, described tracheae reclines mutually with both ends of the surface adjacent on connecting tube.
5. mobile muffler according to claim 2, it is characterized in that, the two ends of described housing are all bolted with pressure cap, the madial wall of the pressure cap described in two all has the annular gear edge of protrusion, annular shoulder block described in two is all between two annular gear edges, and described annular shoulder block and annular gear are along offseting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520931745.XU CN205117452U (en) | 2015-11-20 | 2015-11-20 | Automobile silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520931745.XU CN205117452U (en) | 2015-11-20 | 2015-11-20 | Automobile silencer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205117452U true CN205117452U (en) | 2016-03-30 |
Family
ID=55573068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520931745.XU Expired - Fee Related CN205117452U (en) | 2015-11-20 | 2015-11-20 | Automobile silencer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205117452U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105971689A (en) * | 2016-05-31 | 2016-09-28 | 清华大学苏州汽车研究院（相城） | Automobile exhaust muffler |
| CN107514325A (en) * | 2017-10-17 | 2017-12-26 | 天津大创科技有限公司 | A kind of denoising device applied to automotive air intake pipeline |
-
2015
- 2015-11-20 CN CN201520931745.XU patent/CN205117452U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105971689A (en) * | 2016-05-31 | 2016-09-28 | 清华大学苏州汽车研究院（相城） | Automobile exhaust muffler |
| CN107514325A (en) * | 2017-10-17 | 2017-12-26 | 天津大创科技有限公司 | A kind of denoising device applied to automotive air intake pipeline |
| CN107514325B (en) * | 2017-10-17 | 2024-04-30 | 天津大创科技有限公司 | Noise reduction device applied to automobile air inlet pipeline |
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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: 20160330 Termination date: 20161120 |