CN213627742U - Flange connecting piece of three-way catalytic converter - Google Patents
Flange connecting piece of three-way catalytic converter Download PDFInfo
- Publication number
- CN213627742U CN213627742U CN202020452241.0U CN202020452241U CN213627742U CN 213627742 U CN213627742 U CN 213627742U CN 202020452241 U CN202020452241 U CN 202020452241U CN 213627742 U CN213627742 U CN 213627742U
- Authority
- CN
- China
- Prior art keywords
- flange
- disc
- dish
- inboard
- connection pad
- 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.)
- Active
Links
Images
Landscapes
- Exhaust Gas After Treatment (AREA)
Abstract
The utility model discloses a three way catalyst converter flange joint spare, including flange outer dish, general connection pad and flange inner dish, the both ends of flange outer dish all are provided with the connecting hole, the inboard of flange outer dish all is provided with the screw all around, the inboard of flange outer dish is connected with general connection pad, all be provided with the counter sink around the general connection pad, the inboard bottom of general connection pad is provided with the spacing groove, the inboard of general connection pad is connected with the flange inner dish, the both ends of flange inner dish all are provided with rotatory recess. The utility model discloses a non-integrative assembled three way catalyst converter flange joint spare, the triplex altogether constitutes, and it has good use flexibility and higher commonality, except that standard general spare, only needs to process specific certain coupling part according to certain model, has effectively reduced manufacturing cost's input.
Description
Technical Field
The utility model relates to an auto-parts field specifically is a three way catalyst converter flange joint spare.
Background
The three-way catalyst is installed in the exhaust system of automobile and can convert the harmful gas exhausted by automobile into harmless carbon dioxide, water and nitrogen through oxidation and reduction, and the three-way catalyst has no flange connector. But present three way catalyst converter flange connection spare is mostly through mould integrated into one piece, and die sinking and raw materials all need very high cost to drop into, when some three way catalyst converter only need change flange connection spare's inner bore or outside physique size just can with it fit for, still need the die sinking to make wholly, not only dropped into the more raw materials that need not to drop into, also improved manufacturing cost, its commonality is relatively poor, in order to solve the problem that above-mentioned exists, the utility model discloses a three way catalyst converter flange connection spare.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving when some three way catalyst converter only need change flange joint's inner bore or outside physique size just can with it fit, still need the die sinking to make wholly, not only dropped into more raw materials that need not to drop into, also improved manufacturing cost etc. the relatively poor shortcoming of its commonality, and provide a three way catalyst converter flange joint.
In order to achieve the above object, the utility model provides a following technical scheme: including flange outer dish, general connection pad and flange inner pan, the both ends of flange outer dish all are provided with the connecting hole, the inboard of flange outer dish all is provided with the screw all around, the inboard of flange outer dish is connected with general connection pad, all be provided with the counter sink all around of general connection pad, the inboard bottom of general connection pad is provided with the spacing groove, the inboard of general connection pad is connected with the flange inner pan, the both ends of flange inner pan all are provided with rotatory recess.
Preferably, the universal connecting disc is a standard connecting piece, the flange outer disc and the flange inner disc are non-standard connecting pieces, but the shape and the size of the inner side of the flange outer disc and the shape and the size of the outer side of the flange inner disc are fixed values, the flange outer disc is used for connecting and fixing the three-way catalyst, the flange inner disc is used for matching with a pipeline of the three-way catalyst, and the flange outer disc and the flange inner disc are connected and fixed through the connecting pieces and can be connected with any flange outer disc and any flange inner disc.
Preferably, the universal connecting disc is connected with four screw holes of the flange outer disc in a meshed mode through screws arranged in four countersunk holes, the positions and the sizes of the four screw holes in the flange outer disc correspond to those of the four countersunk holes in the universal connecting disc, when the three-way catalytic converter can be matched by only changing the external body size of the flange connecting piece, only the flange outer disc needs to be replaced, the raw material input is reduced, the production cost is also reduced, the operation is simple and rapid, and the use flexibility is good.
Preferably, the inner side of the universal connecting disc is provided with an internal thread, the outer side of the flange inner disc is provided with an external thread, the flange inner disc is meshed in a limiting groove of the universal connecting disc through the thread, when the inner aperture of the flange connecting piece is changed only to be matched with the three-way catalytic converter, the flange inner disc is only needed to be replaced, the input of raw materials is reduced, the production cost is also reduced, the operation is simple and rapid, and the use flexibility is good.
Preferably, the rotary groove and the flange inner disc are of an integral structure, the two rotary grooves correspond to each other and are located on the same straight line, and the thin metal sheet is inserted into the two rotary grooves, so that the flange inner disc can be rotated to facilitate the installation or the disassembly of the flange inner disc.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a non-integrative assembled three way catalyst converter flange joint spare, the triplex altogether constitutes, and it has good use flexibility and higher commonality, except that standard general spare, only needs to process specific certain coupling part according to certain model, has effectively reduced manufacturing cost's input.
Drawings
Fig. 1 is a schematic view of the assembled structure of the present invention.
Fig. 2 is a schematic view of the assembled cross-sectional structure of the present invention.
Fig. 3 is a schematic diagram B of the assembled local enlarged structure of the present invention.
Fig. 4 is a schematic view of the assembled structure of the present invention.
Fig. 5 is a schematic top view of the outer flange plate of the present invention.
Fig. 6 is a schematic view of a top view structure of the universal connection pad of the present invention.
Fig. 7 is a schematic view of the top view structure of the flange inner disk of the present invention.
In the figure: 1-flange outer disc, 2-universal connecting disc, 3-flange inner disc, 4-connecting hole, 5-screw hole, 6-counter bore, 7-limiting groove and 8-rotary groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: including flange outer dish 1, general connection dish 2 and flange inner dish 3, the both ends of flange outer dish 1 all are provided with connecting hole 4, the inboard of flange outer dish 1 all is provided with screw 5 all around, the inboard of flange outer dish 1 is connected with general connection dish 2, all be provided with counter sink 6 around the general connection dish 2, the inboard bottom of general connection dish 2 is provided with spacing groove 7, the inboard of general connection dish 2 is connected with flange inner dish 3, the both ends of flange inner dish 3 all are provided with rotatory recess 8.
The general connecting disc 2 is a standard connecting piece as a whole, the flange outer disc 1 and the flange inner disc 3 are non-standard connecting pieces as a whole, but the shape and the size of the inner side of the flange outer disc 1 and the shape and the size of the outer side of the flange inner disc 3 are fixed values, the flange outer disc 1 is used for connecting and fixing the three-way catalyst, the flange inner disc 3 is used for matching with a pipeline of the three-way catalyst, and the flange outer disc 1 and the flange inner disc 3 are connected and fixed through the connecting piece 2, so that the flange outer disc 1 and the flange inner disc 3 can be connected with any flange outer disc 1 and any flange inner disc 3.
The universal connecting disc 2 is meshed and connected with four screw holes 5 of the flange outer disc 1 through screws arranged in four countersunk holes 6, wherein the positions and the sizes of the four screw holes 5 on the flange outer disc 1 correspond to the positions and the sizes of the four countersunk holes 6 on the universal connecting disc 2, when the three-way catalyst can be matched by only changing the external body size of the flange connecting piece, only the flange outer disc 1 needs to be replaced, the investment of raw materials is reduced, the production cost is also reduced, the operation is simple and rapid, and the use flexibility is good.
The inner side of the universal connecting disc 2 is provided with an internal thread, the outer side of the flange inner disc 3 is provided with an external thread, the flange inner disc 3 is meshed in the limiting groove 7 of the universal connecting disc 2 through the thread, when the inner aperture of a flange connecting piece is changed only and the flange connecting piece can be matched with a three-way catalytic converter, only the flange inner disc 3 needs to be replaced, the investment of raw materials is reduced, the production cost is also reduced, the operation is simple and rapid, and the use flexibility is good.
The rotary groove 8 and the flange inner disc 3 are of an integral structure, the two rotary grooves 8 are corresponding and are positioned on a straight line, and a thin metal sheet is inserted into the two rotary grooves 8, so that the flange inner disc 3 can be rotated to facilitate the installation or the disassembly of the flange inner disc 3.
The utility model discloses a theory of operation does: firstly, screws are arranged in four countersunk holes 6 on the universal connecting disc 2 and are meshed with four screw holes 5 of the flange outer disc 1, and then the flange inner disc 3 is meshed in a limiting groove 7 of the universal connecting disc 2 through threads, so that the assembly of the flange connecting piece can be completed. When the external body size of the flange connecting piece is changed to be matched with the three-way catalytic converter, only the flange outer disc 1 needs to be replaced; when the inner aperture of the flange connecting piece is changed to be matched with the three-way catalytic converter, only the flange inner disc 3 needs to be replaced. The method is simple and rapid to operate, has good use flexibility and universality, and reduces the production cost.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. The utility model provides a three way catalyst converter flange connecting piece, includes flange outer dish (1), general connection dish (2) and flange inner dish (3), its characterized in that: both ends of flange outer dish (1) all are provided with connecting hole (4), the inboard of flange outer dish (1) all is provided with screw (5) all around, the inboard of flange outer dish (1) is connected with general connection pad (2), all be provided with counter sink (6) around general connection pad (2), the inboard bottom of general connection pad (2) is provided with spacing groove (7), the inboard of general connection pad (2) is connected with flange inner dish (3), the both ends of flange inner dish (3) all are provided with rotary groove (8).
2. The three-way catalyst flanged connection of claim 1, wherein: the general connecting disc (2) is a standard connecting piece as a whole, the flange outer disc (1) and the flange inner disc (3) are non-standard connecting pieces as a whole, and the shape and the size of the inner side of the flange outer disc (1) and the shape and the size of the outer side of the flange inner disc (3) are fixed values.
3. The three-way catalyst flanged connection of claim 1, wherein: the universal connecting disc (2) is connected with four screw holes (5) of the flange outer disc (1) in a meshed mode through screws arranged in the four countersunk holes (6), wherein the positions and the sizes of the four screw holes (5) on the flange outer disc (1) correspond to the positions and the sizes of the four countersunk holes (6) on the universal connecting disc (2).
4. The three-way catalyst flanged connection of claim 1, wherein: the inner side of the universal connecting disc (2) is provided with internal threads, the outer side of the flange inner disc (3) is provided with external threads, and the flange inner disc (3) is meshed in a limiting groove (7) of the universal connecting disc (2) through threads.
5. The three-way catalyst flanged connection of claim 1, wherein: the rotary groove (8) and the flange inner disc (3) are of an integrated structure, and the two rotary grooves (8) correspond to each other and are positioned on the same straight line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020452241.0U CN213627742U (en) | 2020-04-01 | 2020-04-01 | Flange connecting piece of three-way catalytic converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020452241.0U CN213627742U (en) | 2020-04-01 | 2020-04-01 | Flange connecting piece of three-way catalytic converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213627742U true CN213627742U (en) | 2021-07-06 |
Family
ID=76619200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020452241.0U Active CN213627742U (en) | 2020-04-01 | 2020-04-01 | Flange connecting piece of three-way catalytic converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213627742U (en) |
-
2020
- 2020-04-01 CN CN202020452241.0U patent/CN213627742U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213627742U (en) | Flange connecting piece of three-way catalytic converter | |
| CN201780037U (en) | Sealing device for graphite heat exchange tube in graphite heat exchanger | |
| CN201306348Y (en) | High-strength threaded sleeve with a coupling | |
| CN202730225U (en) | Coating clamp ring for special-shaped optical element | |
| CN202937807U (en) | Metal intertwining type spacer component and metal intertwining type spacer, inner ring and centering ring | |
| CN206786185U (en) | Fastening structure in a kind of ring flange | |
| CN212325946U (en) | Connecting structure of bedstead and bed board | |
| CN217422166U (en) | High-density and high-precision sealing ring | |
| CN215803154U (en) | Building aluminum mould | |
| CN210240863U (en) | Flange connecting piece | |
| CN207234771U (en) | A kind of electromagnetism guide wave device | |
| CN211901928U (en) | Three way catalyst converter pressure sensor union piece | |
| CN215370881U (en) | Dustproof anticorrosive accurate skewed tooth speed reducer | |
| CN215720530U (en) | Die forging detachable chain | |
| CN209783298U (en) | Stainless steel electric furnace head | |
| CN217778427U (en) | Annular supporting connector connecting structure | |
| CN218719520U (en) | Sealing assembly and sludge treatment reactor | |
| CN203114914U (en) | Bearing sleeve | |
| CN214788902U (en) | Five-gear convenient to mount | |
| CN206221480U (en) | stainless steel gasket | |
| CN213831520U (en) | B-pillar upper embedded hook | |
| CN215177986U (en) | Anti-drop water meter cover | |
| CN216200472U (en) | Metal part assembling and sealing structure | |
| CN213177154U (en) | High-pressure cutting ferrule sealing joint | |
| CN203297621U (en) | Static double-face sealing plate for shell |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |