CN205225407U - Kayser mechanism of car silencer - Google Patents
Kayser mechanism of car silencer Download PDFInfo
- Publication number
- CN205225407U CN205225407U CN201521065995.6U CN201521065995U CN205225407U CN 205225407 U CN205225407 U CN 205225407U CN 201521065995 U CN201521065995 U CN 201521065995U CN 205225407 U CN205225407 U CN 205225407U
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- China
- Prior art keywords
- pipe fitting
- spacing
- dividing plate
- baffle
- silencer
- 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.)
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Abstract
The utility model discloses a kayser mechanism of car silencer for with baffle in the silencer and pipe fitting fixed connection, belong to car silencer technical field. Kayser mechanism includes card -tight part and spacing portion, wherein the card -tight part on the baffle, and be one with baffle looks vertically neck section directly, spacing portion on the pipe fitting and lie in with the junction of baffle, spacing portion has two spaced apart spacing archs, these two spacing archs all be along the pipe fitting radially outwards extend the gained, and the interval of the two with straight neck segment length cooperatees, straight neck duan kashe is in between two spacing archs. Kayser mechanism use the car silencer on, effectively avoided the condition such as welding slag that traditional welding mode brought, overlap, have easy operation's advantage simultaneously.
Description
Technical field
The utility model belongs to automotive muffler technical field, particularly relates to a kind of fixing automotive muffler inside silencer element, i.e. a kind of locking mechanism of automotive muffler.
Background technique
Now, along with China's manufacture level requires more and more higher, product cost pressure, cost of labor increasing pressure is large, the manufacture requirements of China and accuracy of manufacturing are had higher requirement, and the NVH index of car load factory and the requirement of client to the travelling comfort of car load also more and more higher.Silencing apparatus, as the main parts size of engine power system, serves crucial effect to the noise reduction control of motor, Power output, therefore in the manufacturing of silencing apparatus, proposes higher manufacture requirements.
Specifically, the noise produced when mobile muffler is mainly used in the engine operation reducing Motor Vehicle, and high-temp waste gas can be discharged safely and effectively.See Fig. 1; which show wherein a kind of structural representation of existing automotive muffler, include left end cap 10, frame set 11, dividing plate I12; suction tude 13; external reinforcing plate for car 14, interior stiffening plate 15, dividing plate II16; support 17; separator tube assembly 18, right end cap 19, what the connection between wherein said dividing plate 12,16 and each pipe fitting adopted is that mixed gas arc welding connects.And this Placement to there is welding cost high, and welding easily produces welding slag, overlap, and when overlap is enough large, exhaust airstream can be obstructed, and causes the defects such as engine power decline, exhaust sound fluctuation.See Fig. 2, it illustrates the partial schematic diagram that dividing plate is connected with pipe fitting, dividing plate 20 has straight cervical part of esophagus 21, utilizes this straight cervical part of esophagus 21 end to weld with the position a between pipe fitting 22, namely mainly with the welding wire of fusing, dividing plate and pipe fitting cooperation place are merged, but but there is following subject matter:
1. silencer element is mostly punching parts, and the part after punching press completes exists certain variation, and particularly after several assembling parts, tapping mode is improper, will impact by welding quality, and main manifestations is burn-through;
2. mixed gas arc welding connects and there is certain spatter, splashes and is attached to product surface, and under certain conditions, spatter exists the risk that comes off, and what come off splashes in vehicle traveling process, can produce certain abnormal sound, and client complains.
Model utility content
The purpose of this utility model is the locking mechanism providing a kind of automotive muffler in view of the foregoing defects the prior art has, this locking mechanism is mechanical latch mode, therefore efficiently solves the bad problem produced in silencer element in silencing apparatus (inside) welding manufacture.
The purpose of this utility model realizes by the following technical solutions:
A locking mechanism for automotive muffler, for being fixedly connected with pipe fitting by the dividing plate in silencing apparatus, described locking mechanism comprises card-tight part and limited part; Wherein
Described card-tight part to be formed on dividing plate and to be a straight cervical part of esophagus perpendicular with dividing plate, described limited part to be formed on pipe fitting and to be positioned at the joint with dividing plate, described limited part has two isolated spacing preiections, these two spacing preiections are all the gained that extend radially outwardly along pipe fitting, and the spacing of the two matches with described straight cervical part of esophagus length; Described straight cervical part of esophagus is fastened between described two spacing preiections.
Owing to have employed technique scheme, the utility model has the following advantages:
The locking mechanism of automotive muffler described in the utility model utilizes the card-tight part of dividing plate to be connected to the machinery type realizing the two with the limited part of pipe fitting, this Placement can be machined by a hydraulic equipment and auxiliary mould, simple to operate, the assembling kayser of silencer element just can be completed by a people; Relative to welding procedure, this latch system can solve the defect of burn-through, overlap completely; In quality of processing, the product that latching structure produces, quality is higher, and conformity is better; The application of auxiliary material decreases the welding wire of traditional welding, effectively reduces manufacture cost.This latching structure is a trend of future automobile silencing apparatus industry internal structure processing.
Accompanying drawing explanation
Fig. 1 is the structural representation of prior art automotive muffler;
Fig. 2 is dividing plate and the pipe fitting connection diagram of prior art automotive muffler;
Fig. 3 is dividing plate and the pipe fitting connection diagram of mobile muffler described in the utility model.
Embodiment
The technological means realized to make the utility model, creation characteristic, reaching object and effect clearly and be easy to understand, below in conjunction with the drawings and specific embodiments, the utility model being further elaborated:
As shown in Figure 3, the utility model provides a kind of locking mechanism of automotive muffler, and for being fixedly connected with pipe fitting 40 by the dividing plate 30 in silencing apparatus, described locking mechanism comprises card-tight part 31 and limited part 41; Wherein
Described card-tight part 31 to be formed on dividing plate 30 and to be a straight cervical part of esophagus perpendicular with dividing plate 30, described limited part 41 to be formed on pipe fitting 40 and to be positioned at the joint with dividing plate 30, described limited part 41 has two isolated spacing preiection 41a, 41b, these two spacing preiections 41a, 41b are all the gained that extend radially outwardly along pipe fitting 40, and the spacing of the two matches with described straight cervical part of esophagus 31 length; Described straight cervical part of esophagus 31 is fastened on described between two spacing preiections 41a, 41b.As seen from Figure 3, described two spacing preiections 41a, 41b are two semicircles protruded.
In such scheme, locking mechanism of the present utility model can operate like this:
First automotive muffler component are combined, and the component of combination are put into the special fixture on hydraulic type pipe expander, and be fixedly clamped, then special expander plug 50 on hydraulic type pipe expander is used, the cooperation position of inserting pipe elements and dividing plate, shunk by hydraulic press oil hydraulic cylinder, special core rod is made to carry out expander action to pipe fitting, after expander, plumbing dimensions becomes large, latched position is protruding, pipe fitting and dividing plate is made to reach the locking of interference fit and axial direction, after completing, plug exits pipe fitting, complete a kayser action, through repeatedly, whole silencer element can be completed fix.
What latching structure described in the utility model fixed employing is that mechanical expander is fixed, and it is processed by hydraulic equipment and auxiliary mould, and plug shrinks through oil hydraulic cylinder, carries out expansion-molding to pipe fitting, reaches the object of kayser.This kind of means of fixation major advantage is as follows: can solve completely weld bring overlap, welding slag; Effectively reduce cost of goods manufactured; Decrease welding to raw material damage, improve product working life; Solve welding slag, overlap remains in the abnormal sound brought in silencer cylinder.
Although embodiment of the present utility model is open as above, but it is not restricted to listed in specification and mode of execution utilization, it can be applied to various applicable field of the present utility model completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the utility model is not limited to specific details and illustrates here and the legend described.
Claims (2)
1. a locking mechanism for automotive muffler, for being fixedly connected with pipe fitting by the dividing plate in silencing apparatus, is characterized in that, described locking mechanism comprises card-tight part and limited part; Wherein
Described card-tight part to be formed on dividing plate and to be a straight cervical part of esophagus perpendicular with dividing plate, described limited part to be formed on pipe fitting and to be positioned at the joint with dividing plate, described limited part has two isolated spacing preiections, these two spacing preiections are all the gained that extend radially outwardly along pipe fitting, and the spacing of the two matches with described straight cervical part of esophagus length; Described straight cervical part of esophagus is fastened between described two spacing preiections.
2. the locking mechanism of automotive muffler as claimed in claim 1, is characterized in that, described two spacing preiections are two semicircles protruded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521065995.6U CN205225407U (en) | 2015-12-19 | 2015-12-19 | Kayser mechanism of car silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521065995.6U CN205225407U (en) | 2015-12-19 | 2015-12-19 | Kayser mechanism of car silencer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205225407U true CN205225407U (en) | 2016-05-11 |
Family
ID=55900481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521065995.6U Active CN205225407U (en) | 2015-12-19 | 2015-12-19 | Kayser mechanism of car silencer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205225407U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108071462A (en) * | 2016-11-14 | 2018-05-25 | 申琦 | A kind of mobile muffler partition plate |
-
2015
- 2015-12-19 CN CN201521065995.6U patent/CN205225407U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108071462A (en) * | 2016-11-14 | 2018-05-25 | 申琦 | A kind of mobile muffler partition plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |