CN208619204U - A kind of appearance welding engine emission catalysis silencing purifier - Google Patents
A kind of appearance welding engine emission catalysis silencing purifier Download PDFInfo
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- CN208619204U CN208619204U CN201820964713.3U CN201820964713U CN208619204U CN 208619204 U CN208619204 U CN 208619204U CN 201820964713 U CN201820964713 U CN 201820964713U CN 208619204 U CN208619204 U CN 208619204U
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- screw thread
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- Exhaust Silencers (AREA)
Abstract
The utility model discloses a kind of appearance welding engine emissions to be catalyzed silencing purifier, including cylinder, drive end bearing bracket, rear end cap, the air inlet pipe being mounted on drive end bearing bracket, the exhaust pipe being mounted on rear end cap and the flange being mounted in air inlet pipe, at both ends of the cylinder body, drive end bearing bracket turn over, the flange of rear end cap, air inlet straight flange, one end of air inlet pipe, flange, exhaust pipe, rear end cap exhaust outlet straight flange be all machined with internal and external threads, so that connecting portion is fastenedly connected by being threadedly engaged.The utility model, it is fastened by the way of threaded connection and forms sealing, each part can be obtained by way of the machinings such as punching press, stretching, lathe tapping, can realize that high-volume, high uniform production, the consistency and quality stability of components are high by way of machining.The manufacturing process of high quality, high efficiency, high consistency can be completed in the skilled worker for not needing high professional qualification, and homogeneity of product and quality conformance are better than conventional bonding technique.
Description
Technical field
The utility model relates to automobile engine tail gas to post-process field, and in particular to a kind of appearance welding engine row
Put catalysis silencing purifier.
Background technique
Catalysis silencing purifier is the critical component of vehicular engine exhaust aftertreatment, is to guarantee that vehicle exhaust emission reaches
The important part of national environmental protection laws and regulations requirement, its effect is will be containing the tail gas of pernicious gas, by urging in catalytic converter
The effect of agent carries out oxidation and reduction reaction, becomes innocuous gas and is discharged in air.Outside existing catalysis silencing purifier
Using bond pattern, the welding such as boxing, straight weld reach sealing function, need to put into welding equipment, welding tooling, welding consumptive material
Deng, and need to weld the efficient staff such as skilled worker, when welding can generate welding exhaust gas, production efficiency is low, homogeneity of product is poor,
Equipment investment is big.Being catalyzed silencing purifier is not pressure vessel, and inside does not need the very big pressure of receiving and therefore changes it
The connection type of cylinder and end cap and related inlet and outlet pipeline is conducive to improve production efficiency, reduces cost, enhancing product city
Field competitiveness.
Summary of the invention
The purpose of this utility model is just to provide a kind of engine emission catalysis silencing purifier of appearance welding, overcomes
Traditional catalysis silencing purifier cylinder and end cap, end cap and exhaust pipe and end cap and inlet, outlet flange are connected by welding
Connect existing deficiency.
To achieve the above object, the utility model uses following technique measures, a kind of appearance welding engine emission
It is catalyzed silencing purifier, including cylinder, drive end bearing bracket, rear end cap, the air inlet pipe being mounted on drive end bearing bracket, is mounted on rear end cap
Exhaust pipe and the flange being mounted in air inlet pipe, are machined with cylinder internal screw thread at both ends of the cylinder body, in the drive end bearing bracket of drive end bearing bracket
Drive end bearing bracket external screw thread is machined on flange, cylinder internal screw thread and drive end bearing bracket external screw thread cooperate so that drive end bearing bracket and cylinder fastening connect
Connect, be machined with rear end cap external screw thread on the flange of rear end cap, cylinder internal screw thread and rear end cap external screw thread cooperate so that rear end cap with
The firm connection of cylinder is machined with air inlet straight flange internal screw thread on the air inlet straight flange on drive end bearing bracket, adds in one end of air inlet pipe
Work has air inlet pipe external screw thread, and the other end is machined with flange external screw thread, and air inlet straight flange internal screw thread and air inlet pipe external screw thread cooperate, make
It obtains air inlet pipe to be fastenedly connected with drive end bearing bracket, the screw-internal thread fit being arranged on flange external screw thread and flange, so that flange and air inlet pipe
It is fastenedly connected, exhaust outlet internal screw thread is machined on the straight flange of rear end cap exhaust outlet, exhaust pipe external screw thread is machined on exhaust pipe,
Exhaust outlet internal screw thread and exhaust pipe external screw thread cooperate, so that rear end cap is fastenedly connected with exhaust pipe.
The utility model for taking above-mentioned measure fastens two end cap and cylinder by the way of threaded connection, and is formed close
Envelope；Exhaust pipe and rear end cap are attached by the way of threaded connection, and form sealing；Inlet flange and air inlet pipe use
The mode of threaded connection is attached, and forms sealing.Mass production can be realized by way of machining.Due to this reality
Punching press, stretching, machine can be passed through with the parts such as novel middle rear end cap, cylinder, exhaust pipe, drive end bearing bracket and air inlet pipe, inlet flange
The mode of the machinings such as bed tapping obtains, and the consistency and quality stability of components are high.In addition, by using threaded connection
Mode rear end cap and cylinder, exhaust pipe and drive end bearing bracket and inlet flange are attached and are sealed, it can be achieved that extensive, Gao Yi
The production of cause property, production process only need to be threadably secured screwing position everywhere, and catalysis silencing purifier can be realized
Encapsulation production, manufacturing requirements is low, and high quality, high efficiency, high consistency can be completed in the skilled worker for not needing high professional qualification
Manufacturing process, and homogeneity of product and quality conformance are better than conventional bonding technique.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the utility model drive end bearing bracket structural schematic diagram, wherein figure B is the left view of figure A；
Fig. 3 is the utility model rear end cover structure schematic diagram, wherein figure B is the left view of figure A；
Fig. 4 is the utility model drive end bearing bracket and air inlet pipe attachment structure schematic diagram, wherein figure B is the right view of figure A；
Fig. 5 is the utility model rear end cap and exhaust pipe connection structure schematic diagram.
Above-mentioned figure number explanation:
It is catalyzed silencing purifier 1, cylinder 1-1, cylinder internal screw thread 1-2；
Drive end bearing bracket 2, air inlet pipe 2-1, inlet flange 2-2, drive end bearing bracket external screw thread 2-3, air inlet pipe external screw thread 2-4, outside flange
Screw thread 2-5, air inlet 2-6, air inlet straight flange internal screw thread 2-7, flange internal thread 2-8；
Rear end cap 3, rear end cap external screw thread 3-1, exhaust outlet 3-2, exhaust outlet internal screw thread 3-3, exhaust pipe 3-4, outside exhaust pipe
Screw thread 3-5.
Specific embodiment
As shown in above-mentioned attached drawing, the utility model be catalyzed silencing purifier 1, including cylinder 1-1, drive end bearing bracket 2, rear end cap 3,
It the air inlet pipe 2-1 that is mounted on drive end bearing bracket 2, the exhaust pipe 3-4 being equipped on rear end cap 3 and is mounted on air inlet pipe 2-1
Flange inlet flange 2-2.Cylinder 1-1 is truncated to be formed using standard seamless pipe or welding round tube, and thickness uses 1.3-4mm, cylinder
The both ends body 1-1 are all machined with cylinder internal screw thread 1-2.Drive end bearing bracket 2 and rear end cap 3 are all rushed using 1.5-4mm thickness stainless steel plate
There are a flange in disc-shaped structure made of pressure, outside, flanging length 4-20mm, are all machined with before external screw thread is respectively on flange
End cap external screw thread 2-3 and rear end cap external screw thread 3-1.The cylinder internal screw thread 1-2 of the one end cylinder 1-1 matches with drive end bearing bracket outside nut 2-3
It closes, is attached drive end bearing bracket 2 and one end of cylinder 1-1 by way of screw threads for fastening, and form sealing.Cylinder 1-1 is another
The cylinder internal screw thread 1-2 and rear end cap outside nut 3-1 at end cooperate, by rear end cap 3 and cylinder 1-1 by way of screw threads for fastening
The other end be attached, and form sealing.Air inlet pipe 2-1 is truncated to be formed using standard seamless pipe or welding round tube, thickness
Using 1.5-4mm, it is machined with air inlet pipe external screw thread 2-4 in one end of air inlet pipe 2-1, the other end is machined with flange external screw thread 2-5,
It is provided with air inlet 2-6 on drive end bearing bracket 2, is machined with air inlet straight flange internal screw thread 2-7 on air inlet straight flange, in air inlet straight flange
Screw thread 2-7 and air inlet pipe external screw thread 2-4 cooperate so that air inlet pipe 2-1 is fastenedly connected with drive end bearing bracket 2, flange external screw thread 2-5 and into
The flange internal thread 2-8 cooperation being arranged on gas flange 2-2, so that inlet flange 2-2 is fastenedly connected with air inlet pipe 2-1.In rear end
It is provided with exhaust outlet 3-2 on lid 3, exhaust outlet internal screw thread 3-3 is machined on the straight flange of exhaust outlet 3-2, is machined on exhaust pipe 3-4
Exhaust pipe external screw thread 3-5, exhaust outlet internal screw thread 3-3 and exhaust pipe external screw thread 3-5 cooperation, so that rear end cap 3 and exhaust pipe 3-4 are tight
It is solidly connected.The another embodiment of the utility model is to be machined with external screw thread on the cylinder body outer wall at the both ends cylinder 1-1,
All being machined with internal screw thread respectively inside the flange of drive end bearing bracket 2 and rear end cap 3 is drive end bearing bracket internal screw thread and rear end cap internal screw thread.Cylinder
The cylinder external screw thread and drive end bearing bracket internal thread of the one end 1-1 cooperate, by drive end bearing bracket 2 and cylinder 1-1's by way of screw threads for fastening
One end is attached, and forms sealing.The cylinder external screw thread and rear end cap internal thread of the cylinder 1-1 other end cooperate, and pass through screw thread
Rear end cap 3 and the other end of cylinder 1-1 are attached by the mode of fastening, and form sealing.In this way, cylinder 1-1 and drive end bearing bracket 2
Connection, the connection of drive end bearing bracket 2 and air inlet pipe 2-1, the connection of air inlet pipe 2-1 and inlet flange 2-2, cylinder 1-1 and rear end cap 3
Connection, the connection of rear end cap 3 and exhaust pipe 3-4, be use be threadedly coupled and fasten.
Claims (2)
1. a kind of appearance welding engine emission is catalyzed silencing purifier, including cylinder (1-1), drive end bearing bracket (2), rear end cap
(3), the air inlet pipe (2-1) that is mounted on drive end bearing bracket (2), the exhaust pipe (3-4) being mounted on rear end cap (3) and be mounted on into
Inlet flange (2-2) on tracheae (2-1), it is characterized in that it is machined with cylinder internal screw thread (1-2) at the both ends of cylinder (1-1),
It is machined on the drive end bearing bracket flange of drive end bearing bracket (2) drive end bearing bracket external screw thread (2-3), cylinder internal screw thread (1-2) and drive end bearing bracket external screw thread
(2-3) cooperates so that drive end bearing bracket (2) is fastenedly connected with cylinder (1-1), is machined with rear end cap external screw thread on the flange of rear end cap (3)
(3-1), cylinder internal screw thread (1-2) and rear end cap external screw thread (3-1) cooperate so that rear end cap (3) and cylinder (1-1) firm connection,
It is machined with air inlet straight flange internal screw thread (2-7) on the air inlet straight flange on drive end bearing bracket (2), adds in one end of air inlet pipe (2-1)
Work has air inlet pipe external screw thread (2-4), and the other end is machined with flange external screw thread (2-5), air inlet straight flange internal screw thread (2-7) and air inlet
Pipe external screw thread (2-4) cooperation, so that air inlet pipe (2-1) is fastenedly connected with drive end bearing bracket (2), in flange external screw thread (2-5) and flange
Screw thread (2-8) cooperation adds on the straight flange of rear end cap exhaust outlet so that inlet flange (2-2) is fastenedly connected with air inlet pipe (2-1)
Work has exhaust outlet internal screw thread (3-3), is machined on exhaust pipe (3-4) exhaust pipe external screw thread (3-5), exhaust outlet internal screw thread (3-3)
Cooperate with exhaust pipe external screw thread (3-5), so that rear end cap (3) is fastenedly connected with exhaust pipe (3-4).
2. a kind of appearance welding engine emission according to claim 1 is catalyzed silencing purifier, it is characterized in that in cylinder
It is machined with external screw thread on the cylinder body outer wall at the both ends body (1-1), is all machined with inside the flange of drive end bearing bracket (2) and rear end cap (3)
Internal screw thread is drive end bearing bracket internal screw thread and rear end cap internal screw thread, spiral shell in the cylinder external screw thread and drive end bearing bracket of the one end cylinder (1-1) respectively
Drive end bearing bracket (2) and one end of cylinder (1-1), are attached, and form sealing, cylinder by silk cooperation by way of screw threads for fastening
The cylinder external screw thread and rear end cap internal thread of (1-1) other end cooperate, by rear end cap (3) and cylinder by way of screw threads for fastening
The other end of (1-1) is attached, and forms sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820964713.3U CN208619204U (en) | 2018-06-22 | 2018-06-22 | A kind of appearance welding engine emission catalysis silencing purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820964713.3U CN208619204U (en) | 2018-06-22 | 2018-06-22 | A kind of appearance welding engine emission catalysis silencing purifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208619204U true CN208619204U (en) | 2019-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820964713.3U Active CN208619204U (en) | 2018-06-22 | 2018-06-22 | A kind of appearance welding engine emission catalysis silencing purifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208619204U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113374568A (en) * | 2021-07-19 | 2021-09-10 | 无锡威孚力达催化净化器有限责任公司 | Air inlet connecting structure of rear-stage silencer |
-
2018
- 2018-06-22 CN CN201820964713.3U patent/CN208619204U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113374568A (en) * | 2021-07-19 | 2021-09-10 | 无锡威孚力达催化净化器有限责任公司 | Air inlet connecting structure of rear-stage silencer |
| CN113374568B (en) * | 2021-07-19 | 2024-03-26 | 无锡威孚力达催化净化器有限责任公司 | Air inlet connection structure of rear-stage muffler |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200616 Address after: 536000 No. 36, Tibet Road, Haicheng District, the Guangxi Zhuang Autonomous Region, Beihai Patentee after: Guangxi brilliant Lang Jie environmental protection technology Co.,Ltd. Address before: 536000 401, room 4, Yihai new village, 94 Beijing Road, Beihai, the Guangxi Zhuang Autonomous Region. Co-patentee before: Liu Liuchenglin Patentee before: Liu Guangwen |