CN204921124U - Motor vehicle exhaust system - Google Patents
Motor vehicle exhaust system Download PDFInfo
- Publication number
- CN204921124U CN204921124U CN201520615965.1U CN201520615965U CN204921124U CN 204921124 U CN204921124 U CN 204921124U CN 201520615965 U CN201520615965 U CN 201520615965U CN 204921124 U CN204921124 U CN 204921124U
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- China
- Prior art keywords
- motor vehicle
- mounting bracket
- wire mattress
- welding
- welding support
- 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Air-Conditioning For Vehicles (AREA)
Abstract
The utility model provides a be applied to zero technical field's on the motor vehicle motor vehicle exhaust system, motor vehicle exhaust system's buffering adapting unit (2) be connected with three way catalyst converter (1), buffering adapting unit (2) welding stent (3) are connected with three way catalyst converter (1), wire mattress (5) set up on welding stent (3), installing support (4) set up on wire mattress (5), pass welding stent (3), projection welding bolt (6) and the three way catalyst converter (1) of wire mattress (5) and installing support (4) are connected, dress fixation nut (7) is twisted to projection welding bolt (6) upper end, the utility model discloses an exhaust system can effectively release the exhaust system hot junction heat altered shape, alleviate exhaust system's vibration, reduce exhaust system because of fatigue failure and the influence of exhaust system vibration noise to putting in order car NVH that local stress concentration results in, improved the security performance and the riding comfort of motor vehicle.
Description
Technical field
The utility model belongs to motor vehicle components technical field, more particularly, relates to a kind of motor vehicle exhaustion system.
Background technique
On Motor Vehicle, the fixing of motor vehicle exhaustion system hot junction realizes mainly through support connection structure with being connected, support connection structure mainly plays the effect of carrying in the vertical direction, but the linkage structure of support seldom considers the performance of its vibration damping decoupling zero, because the vibrational excitation passing to vent systems hot junction when motor car engine works is larger, often cause vent systems hot junction connection bracket because regional area stress concentrate and fracture failure, bring serious potential safety hazard, simultaneously, the former support connection structure in vent systems hot junction can not effectively be decayed the vibration of motor, cause the vibration noise in Motor Vehicle car higher, have a strong impact on the riding comfort of Motor Vehicle.
Model utility content
Technical problem to be solved in the utility model is: for the deficiencies in the prior art, there is provided a kind of structure simple, carrying and vibration damping decoupling zero double action can be realized simultaneously, the thermal distortion in vent systems hot junction can be discharged, alleviate the vibration in vent systems hot junction, avoid vent systems hot junction support to cause because of stress raisers fatigue failure and vent systems vibration noise on the motor vehicle exhaustion system of the impact of car load NVH.
Solve above-described technical problem, the technological scheme that the utility model is taked is:
The utility model is a kind of motor vehicle exhaustion system, described motor vehicle exhaustion system comprises ternary catalyzing unit, buffering connected element, buffering connected element is connected with ternary catalyzing unit, described buffering connected element comprises welding support, mounting bracket, welding support is connected with ternary catalyzing unit, wire mattress is arranged on welding support, mounting bracket is arranged on wire mattress, be connected with ternary catalyzing unit with the projection welding bolt of mounting bracket through welding support, wire mattress, projection welding bolt upper end is screwed to fix nut.
Described wire mattress is arranged the wire mattress through hole that kidney-shaped is poroid, mounting bracket is arranged the rack ventilating hole that kidney-shaped is poroid, welding support arranges perforation, wire mattress arranges two pieces, one piece of wire mattress is arranged between welding support and mounting bracket, another block wire mattress is arranged on mounting bracket upper surface, and the structure be connected with ternary catalyzing unit after described projection welding bolt is arranged through wire mattress through hole, rack ventilating hole and perforation, projection welding bolt arranges two.
Described welding support is set to be welded with ternary catalyzing unit the structure be connected, and welding support both sides arrange the kink of bending respectively, and welding support is connected with ternary catalyzing unit by kink.
The described wire mattress between welding support and mounting bracket that is arranged on is connected with welding support spot welding, and the wire mattress surface be arranged on mounting bracket upper surface arranges cushion block, and the cushion block perforation of cushion block is extended in projection welding bolt upper end, and set screw nut is resisted against on cushion block.
Described projection welding bolt is set with lining, and mounting bracket arranges the joint upwards bent, and joint arranges attachment hole, and the butt hook on chassis is set to the structure that can be hooked on attachment hole.
Adopt the technical solution of the utility model, following beneficial effect can be obtained:
Motor vehicle exhaustion system described in the utility model, the double action of carrying and vibration damping decoupling zero is played by buffering connected element, above the mounting bracket of buffering connected element, the wire mattress of buffer function is set respectively with lower position, welding support is fixedly connected with ternary catalyzing unit, welding support is connected with mounting bracket again, like this under the effect of wire mattress, just can the position of Local uniqueness mounting bracket during motor-driven vehicle going, avoid the Assembly Interference problem that vent systems hot junction causes because of welding deviation or assembly error, adopt wire mattress structure can fire-resistant oxidation resistant, avoid because problems such as the high temperature cabonizations adopting rubber pad to occur, said structure arranges the double action that can play carrying and vibration damping decoupling zero in the vertical direction, the thermal distortion in effective release vent systems hot junction, alleviate the vibration in vent systems hot junction, the fatigue failure that reduction vent systems hot junction support causes because of stress raisers and vent systems vibration noise are on the impact of car load NVH, improve Safety performance and the riding comfort of Motor Vehicle.
Accompanying drawing explanation
Brief description is made to the content expressed by each accompanying drawing of this specification and the mark in figure below:
Fig. 1 is the ternary catalyzing unit of motor vehicle exhaustion system described in the utility model and the structural representation cushioned when connected element is connected;
Fig. 2 is the ternary catalyzing unit of motor vehicle exhaustion system described in the utility model and the detonation configuration schematic diagram cushioned when connected element is connected;
Accompanying drawing acceptance of the bid note is respectively: 1, ternary catalyzing unit; 2, connected element is cushioned; 3, welding support; 4, mounting bracket; 5, wire mattress; 6, projection welding bolt; 7, set screw nut; 8, wire mattress through hole; 9, rack ventilating hole; 10, bore a hole; 11, kink; 12, cushion block; 13, lining; 14, joint; 15, attachment hole.
Embodiment
Contrast accompanying drawing below, by the description to embodiment, the effect and working principle etc. of embodiment of the present utility model as the mutual alignment between the shape of involved each component, structure, each several part and annexation, each several part are described in further detail:
As accompanying drawing 1, shown in accompanying drawing 2, the utility model is a kind of motor vehicle exhaustion system, described motor vehicle exhaustion system comprises ternary catalyzing unit 1, buffering connected element 2, buffering connected element 2 is connected with ternary catalyzing unit 1, described buffering connected element 2 comprises welding support 3, mounting bracket 4, welding support 3 is connected with ternary catalyzing unit 1, wire mattress 5 is arranged on welding support 3, mounting bracket 4 is arranged on wire mattress 5, through welding support 3, wire mattress 5 is connected with ternary catalyzing unit 1 with the projection welding bolt 6 of mounting bracket 4, projection welding bolt 6 upper end is screwed to fix nut 7.The double action of carrying and vibration damping decoupling zero is played by buffering connected element 2, above the mounting bracket of buffering connected element, the wire mattress of buffer function is set respectively with lower position, welding support is fixedly connected with ternary catalyzing unit, welding support is connected with mounting bracket again, like this under the effect of wire mattress, just can the position of Local uniqueness mounting bracket during motor-driven vehicle going, avoid the Assembly Interference problem that vent systems hot junction causes because of welding deviation or assembly error, adopt wire mattress structure can fire-resistant oxidation resistant, avoid because problems such as the high temperature cabonizations adopting rubber pad to occur, said structure arranges the double action that can play carrying and vibration damping decoupling zero in the vertical direction, the thermal distortion in effective release vent systems hot junction, alleviate the vibration in vent systems hot junction, the fatigue failure that reduction vent systems hot junction support causes because of stress raisers and vent systems vibration noise are on the impact of car load NVH, improve Safety performance and the riding comfort of Motor Vehicle.
Described wire mattress 5 is arranged the wire mattress through hole 8 that kidney-shaped is poroid, mounting bracket 3 is arranged the poroid rack ventilating hole of kidney-shaped 9, welding support 3 is arranged perforation 10, wire mattress 5 arranges two pieces, one piece of wire mattress 5 is arranged between welding support 3 and mounting bracket 4, another block wire mattress 5 is arranged on mounting bracket 4 upper surface, the structure that described projection welding bolt 6 is connected with ternary catalyzing unit 1 after being arranged through wire mattress through hole 8, rack ventilating hole 9 and perforation 10, and projection welding bolt 6 arranges two.Said structure is arranged, projection welding bolt is simultaneously through welding support and mounting bracket, naturally also through the wire mattress being separately positioned on mounting bracket top and bottom, like this, be flexible connecting structure between mounting bracket and welding support and ternary catalyzing unit, thus the double action of carrying and vibration damping decoupling zero can be played in the vertical direction, the thermal distortion in effective release vent systems hot junction, alleviate the vibration in vent systems hot junction, the fatigue failure that reduction vent systems hot junction support causes because of stress raisers and vent systems vibration noise are on the impact of car load NVH, improve Safety performance and the riding comfort of Motor Vehicle.
Described welding support 3 is set to be welded with ternary catalyzing unit 1 structure be connected, and welding support 3 both sides arrange the kink 11 of bending respectively, and welding support 3 is connected with ternary catalyzing unit 1 by kink 11.
The described wire mattress 5 between welding support 3 and mounting bracket 4 that is arranged on is connected with welding support 3 spot welding, wire mattress 5 surface be arranged on mounting bracket 4 upper surface arranges cushion block 12, the cushion block perforation 12 of cushion block 11 is extended in projection welding bolt 6 upper end, and set screw nut 7 is resisted against on cushion block 11.In Motor Vehicle driving process, the vibrational excitation of motor constantly passes to vent systems hot junction, when the vibration frequency of motor to be coupled with the natural frequency of the ternary catalyzing unit of vent systems produce resonate time, vibration damage will be produced to connection bracket, be arranged on mounting bracket top and bottom the setting of wire mattress, be equivalent to two damping absorbers, effectively can absorb and pass to by ternary catalyzing unit the vibration cushioned on connected element, reduce the vibration stress of mounting bracket deathtrap, simultaneously, the vibration being passed to chassis by buffering connected element 2 can be weakened, reduce the NVH noise in car.The heat load of vent systems hot junction carrying is larger, under the Cyclic Load expanded with heat and contract with cold, buffering connected element join domain is because rigidity is too strong, local easily occurs that stress is concentrated, wire mattress of the present utility model can along the direction free deformation of dilation, effectively can reduce the stress that linkage structure causes because of thermal distortion and concentrate.
Described projection welding bolt 6 is set with lining 13, and mounting bracket 4 arranges the joint 14 upwards bent, and joint 14 is arranged attachment hole 15, and the butt hook on chassis is set to the structure that can be hooked on attachment hole 15.Such structure, welding support and mounting bracket flexibly connect, welding support is fixedly connected with ternary catalyzing unit, and mounting bracket is connected with the butt hook on motor-vehicle chassis by the attachment hole on joint, thus realize the reliable connection of ternary catalyzing unit, this connection, for flexibly connecting, can reduce the fatigue failure that vent systems hot junction support causes because of stress raisers during Motor Vehicle work and vent systems vibration noise affects car load NVH.
Motor vehicle exhaustion system described in the utility model, the double action of carrying and vibration damping decoupling zero is played by buffering connected element, above the mounting bracket of buffering connected element, the wire mattress of buffer function is set respectively with lower position, welding support is fixedly connected with ternary catalyzing unit, welding support is connected with mounting bracket again, like this under the effect of wire mattress, just can the position of Local uniqueness mounting bracket during motor-driven vehicle going, avoid the Assembly Interference problem that vent systems hot junction causes because of welding deviation or assembly error, adopt wire mattress structure can fire-resistant oxidation resistant, avoid because problems such as the high temperature cabonizations adopting rubber pad to occur, said structure arranges the double action that can play carrying and vibration damping decoupling zero in the vertical direction, the thermal distortion in effective release vent systems hot junction, alleviate the vibration in vent systems hot junction, the fatigue failure that reduction vent systems hot junction support causes because of stress raisers and vent systems vibration noise are on the impact of car load NVH, improve Safety performance and the riding comfort of Motor Vehicle.
By reference to the accompanying drawings exemplary description is carried out to the utility model above; the concrete realization of obvious the utility model is not subject to the restrictions described above; as long as have employed the various improvement that method of the present utility model is conceived and technological scheme is carried out; or design of the present utility model and technological scheme directly applied to other occasions, all in protection domain of the present utility model without to improve.
Claims (5)
1. a motor vehicle exhaustion system, described motor vehicle exhaustion system comprises ternary catalyzing unit (1), buffering connected element (2), buffering connected element (2) is connected with ternary catalyzing unit (1), it is characterized in that: described buffering connected element (2) comprises welding support (3), mounting bracket (4), welding support (3) is connected with ternary catalyzing unit (1), wire mattress (5) is arranged on welding support (3), mounting bracket (4) is arranged on wire mattress (5), through welding support (3), wire mattress (5) is connected with ternary catalyzing unit (1) with the projection welding bolt (6) of mounting bracket (4), projection welding bolt (6) upper end is screwed to fix nut (7).
2. motor vehicle exhaustion system according to claim 1, it is characterized in that: described wire mattress (5) is arranged the wire mattress through hole (8) that kidney-shaped is poroid, mounting bracket (3) is arranged the poroid rack ventilating hole of kidney-shaped (9), welding support (3) is arranged perforation (10), wire mattress (5) arranges two pieces, one piece of wire mattress (5) is arranged between welding support (3) and mounting bracket (4), another block wire mattress (5) is arranged on mounting bracket (4) upper surface, described projection welding bolt (6) is arranged through wire mattress through hole (8), the structure that rack ventilating hole (9) is connected with ternary catalyzing unit (1) afterwards with perforation (10), projection welding bolt (6) arranges two.
3. motor vehicle exhaustion system according to claim 1, it is characterized in that: described welding support (3) is set to be welded with ternary catalyzing unit (1) structure be connected, welding support (3) both sides arrange the kink (11) of bending respectively, and welding support (3) is connected with ternary catalyzing unit (1) by kink (11).
4. motor vehicle exhaustion system according to claim 2, it is characterized in that: the described wire mattress (5) between welding support (3) and mounting bracket (4) that is arranged on is connected with welding support (3) spot welding, wire mattress (5) surface be arranged on mounting bracket (4) upper surface arranges cushion block (12), cushion block perforation (12) of cushion block (11) is extended in projection welding bolt (6) upper end, and set screw nut (7) is resisted against on cushion block (11).
5. motor vehicle exhaustion system according to claim 1, it is characterized in that: described projection welding bolt (6) is set with lining (13), mounting bracket (4) arranges the joint (14) upwards bent, joint (14) is arranged attachment hole (15), the butt hook on chassis is set to the structure that can be hooked on attachment hole (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520615965.1U CN204921124U (en) | 2015-08-15 | 2015-08-15 | Motor vehicle exhaust system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520615965.1U CN204921124U (en) | 2015-08-15 | 2015-08-15 | Motor vehicle exhaust system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204921124U true CN204921124U (en) | 2015-12-30 |
Family
ID=54970260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520615965.1U Expired - Fee Related CN204921124U (en) | 2015-08-15 | 2015-08-15 | Motor vehicle exhaust system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204921124U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106246317A (en) * | 2016-10-14 | 2016-12-21 | 上海天纳克排气系统有限公司 | The hot junction assembly of automobile exhaust system |
| CN106437993A (en) * | 2016-10-19 | 2017-02-22 | 北京汽车研究总院有限公司 | Silencer mounting bracket structure |
| CN107599827A (en) * | 2017-09-21 | 2018-01-19 | 清华大学苏州汽车研究院（相城） | A kind of support for changing gas extraction system NVH performances |
-
2015
- 2015-08-15 CN CN201520615965.1U patent/CN204921124U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106246317A (en) * | 2016-10-14 | 2016-12-21 | 上海天纳克排气系统有限公司 | The hot junction assembly of automobile exhaust system |
| CN106437993A (en) * | 2016-10-19 | 2017-02-22 | 北京汽车研究总院有限公司 | Silencer mounting bracket structure |
| CN106437993B (en) * | 2016-10-19 | 2019-03-29 | 北京汽车研究总院有限公司 | A kind of silencer muffler mounting frame structure |
| CN107599827A (en) * | 2017-09-21 | 2018-01-19 | 清华大学苏州汽车研究院（相城） | A kind of support for changing gas extraction system NVH performances |
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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 |
Granted publication date: 20151230 Termination date: 20210815 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |