CN105863801B - A kind of automobile exhaust pipe holder of high suitability sound-absorbing damping - Google Patents
A kind of automobile exhaust pipe holder of high suitability sound-absorbing damping Download PDFInfo
- Publication number
- CN105863801B CN105863801B CN201610330725.6A CN201610330725A CN105863801B CN 105863801 B CN105863801 B CN 105863801B CN 201610330725 A CN201610330725 A CN 201610330725A CN 105863801 B CN105863801 B CN 105863801B
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- China
- Prior art keywords
- sound
- exhaust pipe
- connector sleeve
- hole
- absorbing
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- 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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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
- F01N13/1805—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body
- F01N13/1811—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body with means permitting relative movement, e.g. compensation of thermal expansion or vibration
- F01N13/1822—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body with means permitting relative movement, e.g. compensation of thermal expansion or vibration for fixing exhaust pipes or devices to vehicle body
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Silencers (AREA)
Abstract
The invention discloses a kind of automobile exhaust pipe holders of high suitability sound-absorbing damping, it is related to machinery field, including rack body, mounting hole there are two being set on the rack body, the axis of two mounting holes is parallel to each other, connector sleeve is equipped in the mounting hole, rubber layer is equipped between the connector sleeve and mounting hole, the connector sleeve include diameter small one and large one outer tube and inner tube and welding block outer tube and inner tube both ends front cover and rear cover, the shape of front cover and rear cover is circular ring shape and is connected between outer tube and inner tube, front cover is equipped with several threaded holes, pressing device is equipped in inner tube at front cover, a sound-absorbing casing is also socketed between connector sleeve and rubber layer, automobile exhaust pipe holder of the invention can not only play good damping noise reduction effect, and suitability is high, it can adapt to various sizes of exhaust pipe, connection Closely, exhaust pipe is not easy to loosen, and compact overall structure is light, reduces automobile fuel consumption, good energy saving property indirectly.
Description
Technical field
The present invention relates to field of automobile parts and components, and in particular to a kind of automobile exhaust pipe branch of high suitability sound-absorbing damping
Frame.
Background technique
Currently, the exhaust pipe support of the prior art includes rack body and two connector sleeves being fixed on rack body,
Connector sleeve and rack body are generally Hard link, and the exhaust pipe support of this structure design in use, is mounted on it
On the vibration of exhaust pipe and the vibration of vehicle frame be easy mutually transmitting, cause exhaust pipe vibration larger, be easy to cause exhaust pipe disconnected
Failure is split, moreover, to generate noise in the process of moving also larger for the exhaust pipe support of such structure, produces noise pollution.Such as
Chinese Patent Application No. discloses a kind of novel exhaust pipe holder, the vertical plate including a rectangle, vertical plate for 201220755118.1
Lower edge it is horizontal folded at a plate to side；The left and right sides on the vertical plate top forms through-hole, before the right side of the plate
Side is provided with the opening of an arc, and more than two through-holes are provided on the plate of curved opening side, and structure is simple, and energy
Extremely convenient installation exhaust pipe, due to being integral structure, therefore intensity is more preferable, more securely and reliably.Although this kind of bracket can
The installation of easy to exhaust pipe, but it can be seen that it is not provided with damped noise reduction device, exhaust pipe is to connect firmly with exhaust pipe support
It connects, it is easy to vibration transmitting occur, lead to exhaust pipe fracture failure.Therefore, it needs to improve in terms of damping noise reduction.
In addition, Chinese Patent Application No. discloses a kind of exhaust pipe support for 201210259841.5, it includes bracket sheet
Body, the rack body are equipped with two mounting holes, and the axis of two mounting holes is parallel to each other, the mounting hole
It is inside equipped with connector sleeve, the outer diameter of the connector sleeve is less than the aperture of mounting hole, sets between the connector sleeve and mounting hole
There is rubber layer connection.The bracket of this kind of structure design solves the problems, such as that exhaust pipe vibration and noise are big really, but due to even
The size of female connector be it is fixed, cause its suitability poor, for the exhaust pipe of small size, need replacing company matched with its
, this improves cost to a certain extent for female connector or entire bracket, wastes resource, and the connector sleeve of this kind of bracket is real
The tube body of the heart still has defect in terms of damping and noise reduction, needs to improve.
Summary of the invention
The purpose of the present invention is to provide a kind of automobile exhaust pipe holders of high suitability sound-absorbing damping, to solve existing skill
Caused above-mentioned defects in art.
A kind of automobile exhaust pipe holder of high suitability sound-absorbing damping, including rack body, the rack body are equipped with
Two mounting holes, the axis of two mounting holes are parallel to each other, and connector sleeve, the connector sleeve and peace are equipped in the mounting hole
Fill and be equipped with rubber layer between hole, the connector sleeve include diameter small one and large one outer tube and inner tube and welding block in outer tube and
The shape of the front cover and rear cover at inner tube both ends, front cover and rear cover is circular ring shape and is connected between outer tube and inner tube, is set on front cover
There are several threaded holes, be equipped with pressing device in inner tube at front cover, pressing device includes the through-hole of the rectangle in inner tube
With the briquetting for the triangle being articulated on the inside of through-hole, the position of the through-hole and quantity and threaded hole are corresponded, on threaded hole
It is threaded with screw, the bottom of briquetting sets flexible gasket, and a sound-absorbing casing is also socketed between connector sleeve and rubber layer.
After connector sleeve using the above structure, compared with prior art, it can not only play certain damping and noise reduction and make
With, and can be improved the suitability of this kind of exhaust pipe support, for the size exhaust pipe smaller than connector sleeve, it need to will only arrange
After tracheae is socketed in connector sleeve, then by precession screw, push the briquetting in pressing device mobile to the axle center of inner tube, thus
It is fixed exhaust pipe, stability is good, it is not easy to loosen, meanwhile, existing solid connector sleeve is compared, weight substantially reduces,
Ground connection reduces oil consumption, meets requirement of the current automobile industry to components；In addition, on the basis of existing technology, the present invention
A sound-absorbing casing is increased in the outside of connector sleeve, the noise that can further issue to exhaust pipe absorbs, to play
The effect of noise reduction.
Further, the end of the screw is equipped with round end convex block, by the way that a round end convex block is arranged, reduces itself and pressure
Resistance between block can facilitate the quick precession of screw.
Further, the front cover with a thickness of 1.5-2.0cm, using the front cover of the thickness, not only for improving spiral shell
The degree of fiting and stability of installation are followed closely, but also support can be played the role of, does not just have to also set up support dress in connector sleeve
It sets, reduces the complex degree of structure of connector sleeve, ensure that the rigidity requirement to it.
Further, the sound-absorbing casing is specifically made of porosity of the foamed aluminium material of 84.3%-86.5%, this hair
The good foamed aluminium material of preferred sound-absorbing effect prepares material as sound-absorbing casing in bright, has not only acted as good absorbing sound and lowering noise
Effect, and foamed aluminium is light, and rigidity is preferable, reduces the weight of the device, the rubber layer is by foam rubbery material
It is made, foam rubbery material belongs to one kind of rubber material, is that a certain amount of foaming agent is added in the preparation process of rubber
It is made, has biggish porosity, by the way that original rubber layer is changed to foam rubbery material, not only reduce weight, and
Its internal irregular structure feature further improves its damping and noise reduction effect.
Further, the quantity of the threaded hole is 3, and threaded hole and rectangular through-hole are in around the axle center of connector sleeve
Circumferential array, using three equally distributed pressing devices, it can be achieved that exhaust pipe stress it is uniform, compress effect it is good, stability
It is high.
Further, the rubber layer is equipped at least two cushion holes, and cushion hole is circumferentially distributed, in the work of cushion hole
Under, so that the elastic deformability of rubber layer is more preferable, so that rubber layer is more preferable to the filter effect of vibration, it can be further
The vibration reduced between exhaust pipe and vehicle frame is transmitted, and is less susceptible to fail so that exhaust pipe vibration is smaller, noise is smaller, and then makes
It is more preferable to obtain using effect of the invention.
Further, it is interference fit between the connector sleeve and sound-absorbing casing, ensure that the compactness of connection, be not easy to produce
It is raw to loosen, and additional fixation device need not be set, reduce the complexity of the device.
Further, secondary compression identical with pressing device structure snd size also is provided in said inner tube at rear cover
Device, after cover and be equipped with and the one-to-one deputy thread hole of secondary pressing device, and the thickness phase of the thickness of the rear cover and front cover
Together, in order to improve the stability that exhaust pipe is connect with connector sleeve, a set of pressing device can be arranged again at rear cover in the present invention,
And the size in deputy thread hole is identical as the size of the threaded hole in preceding solution, it is easy for installation convenient for unified.
A kind of installation method of the automobile exhaust pipe holder of high suitability sound-absorbing damping, is socketed in installation for rubber layer first
In hole, then sound-absorbing casing is connected to outside connector sleeve by heat-sealing machine heat seal, then the overall structure is socketed in rubber layer,
Finally by exhaust shroud in connector sleeve, precession screw, briquetting compresses exhaust pipe to the axle center of connector sleeve is mobile.
Further, the heating temperature of the heat-sealing machine be 83-86 DEG C, within this temperature range, foamed aluminium show compared with
Good plasticity, and intensity is still higher, and the heat seal with connector sleeve can be facilitated to install, and is not susceptible to installation damage, substantially may be used
Realization is disposably installed successfully.
Detailed description of the invention
Main view when Fig. 1 is 1 non-mounting screw of the embodiment of the present invention.
Fig. 2 is the cross-sectional view in Fig. 1 along the direction A-A.
Fig. 3 is the top view of Fig. 1.
Fig. 4 is the cross-sectional view in Fig. 1 after mounting screw along the direction A-A.
Fig. 5 is the main view of screw in a kind of automobile exhaust pipe holder of high suitability sound-absorbing damping of the present invention.
Main view when Fig. 6 is 2 non-mounting screw of the embodiment of the present invention.
Fig. 7 is the cross-sectional view in Fig. 6 along the direction A-A.
Fig. 8 is the cross-sectional view in Fig. 6 after mounting screw along the direction A-A.
Wherein: 1-rack body, 2-mounting holes, 3-rubber layers, 4-outer tubes, 5-inner tubes, 6-front covers, 7-rear covers,
8-threaded holes, 9-through-holes, 10-briquettings, 11-screws, 12-gaskets, 13-sound-absorbing casings, 14-round end convex blocks, 15-is slow
Punching, 16-secondary pressing devices, 17-deputy thread holes.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
Specific embodiment, the present invention is further explained.
Embodiment 1
As shown in Figures 1 to 5, a kind of automobile exhaust pipe holder of high suitability sound-absorbing damping, including rack body 1, institute
It states and is set on rack body 1 there are two mounting hole 2, the axis of two mounting holes 2 is parallel to each other, is equipped in the mounting hole 2
Connector sleeve, is equipped with rubber layer 3 between the connector sleeve and mounting hole 2, the connector sleeve includes small one and large one 4 He of outer tube of diameter
Inner tube 5 and welding block front cover 6 and rear cover 7 at 5 both ends of outer tube 4 and inner tube, and the shape of front cover 6 and rear cover 7 is circular ring shape
And be connected between outer tube 4 and inner tube 5, front cover 6 is equipped with several threaded holes 8, is equipped at front cover 6 in inner tube 5 and compresses dress
It sets, pressing device includes the briquetting 10 of the through-hole 9 of the rectangle in inner tube 5 and the triangle being articulated on the inside of through-hole 9, described
The position of through-hole 9 and quantity and threaded hole 8 correspond, and are threaded with screw 11 on threaded hole 8, the bottom of briquetting 10 is equipped with
The gasket 12 of elasticity, is also socketed with a sound-absorbing casing 13 between connector sleeve and rubber layer 3, the connector sleeve and sound-absorbing casing 13 it
Between for interference fit.
It is worth noting that, the end of the screw 11 is equipped with round end convex block 14, together with 11 seamless welding of screw
Or the end of screw 11 is machined to round end shape, the front cover 6 with a thickness of 1.5-2.0cm.
In the present embodiment, the foamed aluminium material system that the sound-absorbing casing 13 is specifically 84.3%-86.5% by porosity
At, prepare material of the foamed aluminium as sound-absorbing casing 13 of preferably 85.2% porosity in the present invention, the rubber layer 3 is by foaming
Rubber material is made, and preferably ethylene propylene diene rubber foaming materials actually make in the present invention as the composition material of rubber layer 3
In, good cushioning effect is played really.
In the present embodiment, the quantity of the threaded hole 8 is 3, and threaded hole 8 and rectangular through-hole 9 are around connector sleeve
Axle center be in circumferential array, the quantity of threaded hole 8 can also be set as needed into 4 or 6 and be uniformly distributed on rear cover 7,
Certainly it is also required to the rectangular through-hole 9 of setting corresponding number.
In the present embodiment, the rubber layer 3 is equipped at least two cushion holes 15, can also for two, three, five or
Six etc., cushion hole 15 is circumferentially distributed, and preferably four cushion holes 15 in the present embodiment, shape is identical two-by-two and symmetrically divides
Cloth.
Exhaust pipe support of the invention during installation, can follow the steps below: rubber layer 3 being socketed in installation first
In hole 2, then sound-absorbing casing is connected to outside connector sleeve by heat-sealing machine heat seal, then the overall structure is socketed in rubber layer 3
Interior, finally by exhaust shroud in connector sleeve, precession screw 11, briquetting 10 compresses exhaust pipe to the axle center of connector sleeve is mobile,
The heating temperature of the heat-sealing machine is 83-86 DEG C, and preferably 85 DEG C in the present embodiment, seals are good, are completely embedded.
Embodiment 2
As shown in Figure 6 to 8, a kind of automobile exhaust pipe holder of high suitability sound-absorbing damping, including rack body 1, institute
It states and is set on rack body 1 there are two mounting hole 2, the axis of two mounting holes 2 is parallel to each other, is equipped in the mounting hole 2
Connector sleeve, is equipped with rubber layer 3 between the connector sleeve and mounting hole 2, the connector sleeve includes small one and large one 4 He of outer tube of diameter
Inner tube 5 and welding block front cover 6 and rear cover 7 at 5 both ends of outer tube 4 and inner tube, and the shape of front cover 6 and rear cover 7 is circular ring shape
And be connected between outer tube 4 and inner tube 5, front cover 6 is equipped with several threaded holes 8, is equipped at front cover 6 in inner tube 5 and compresses dress
It sets, pressing device includes the briquetting 10 of the through-hole 9 of the rectangle in inner tube 5 and the triangle being articulated on the inside of through-hole 9, described
The position of through-hole 9 and quantity and threaded hole 8 correspond, and are threaded with screw 11 on threaded hole 8, the bottom of briquetting 10 is equipped with
The gasket 12 of elasticity, is also socketed with a sound-absorbing casing 13 between connector sleeve and rubber layer 3, the connector sleeve and sound-absorbing casing 13 it
Between for interference fit.
It is worth noting that, the end of the screw 11 is equipped with round end convex block 14, together with 11 seamless welding of screw
Or the end of screw 11 is machined to round end shape, the front cover 6 with a thickness of sound-absorbing casing 13 described in 1.5-2.0cm specifically by
Porosity is made of the foamed aluminium material of 84.3%-86.5%, and the foamed aluminium of preferably 85.2% porosity is as suction in the present invention
Sound casing 13 prepares material, and the rubber layer 3 is made of foam rubbery material, preferred ethylene propylene diene rubber foaming in the present invention
Material plays good cushioning effect, the threaded hole 8 in actual use as the composition material of rubber layer 3 really
Quantity be 3, and threaded hole 8 and rectangular through-hole 9 around the axle center of connector sleeve be in circumferential array, the quantity of threaded hole 8
4 or 6 can be set as needed into and be uniformly distributed on rear cover 7, be also required to the rectangular through-hole of setting corresponding number certainly
9, the rubber layer 3 is equipped at least two cushion holes 15, can also be two, three, five or six etc., 15 edge of cushion hole
Circumferentially distributed, preferably six cushion holes 15 in the present embodiment, shape is identical and symmetrical two-by-two.
In the present embodiment, it in order to improve the stability of exhaust pipe, also is provided with and presses at rear cover 7 in said inner tube 5
Tight apparatus structure and the identical secondary pressing device 16 of size, rear cover 7 are equipped with and the one-to-one deputy thread of secondary pressing device 16
Hole 17, and the thickness of the rear cover 7 is identical as the thickness of front cover 6.
Exhaust pipe support of the invention during installation, can follow the steps below: rubber layer 3 being socketed in installation first
In hole 2, then sound-absorbing casing is connected to outside connector sleeve by heat-sealing machine heat seal, then the overall structure is socketed in rubber layer 3
Interior, finally by exhaust shroud in connector sleeve, precession screw 11, briquetting 10 compresses exhaust pipe to the axle center of connector sleeve is mobile,
The heating temperature of the heat-sealing machine is 83-86 DEG C, and preferably 84 DEG C in the present embodiment, seals are good, are completely embedded.
Good damping noise reduction effect, Er Qieshi can not only be played based on above-mentioned, of the invention automobile exhaust pipe holder
With property height, it can adapt to various sizes of exhaust pipe, be completely embedded, exhaust pipe is not easy to loosen, and compact overall structure is light,
Ground connection reduces automobile fuel consumption, good energy saving property.
As known by the technical knowledge, the present invention can pass through the embodiment party of other essence without departing from its spirit or essential feature
Case is realized.Therefore, embodiment disclosed above, in all respects are merely illustrative, not the only.Institute
Have within the scope of the present invention or is included in the invention in the change being equal in the scope of the present invention.
Claims (9)
1. a kind of automobile exhaust pipe holder of high suitability sound-absorbing damping, including rack body, the rack body is equipped with two
The axis of a mounting hole, two mounting holes is parallel to each other, and connector sleeve, the connector sleeve and installation are equipped in the mounting hole
Between hole be equipped with rubber layer, which is characterized in that the connector sleeve include diameter small one and large one outer tube and inner tube and welding envelope
Get lodged in the front cover and rear cover at outer tube and inner tube both ends, the shape of front cover and rear cover be circular ring shape and be connected to outer tube and inner tube it
Between, front cover is equipped with several threaded holes, is equipped with pressing device in inner tube at front cover, and pressing device includes being set in inner tube
The briquetting of the through-hole of rectangle and the triangle being articulated on the inside of through-hole, the position of the through-hole and quantity and threaded hole one are a pair of
It answers, screw is threaded on threaded hole and cooperates with briquetting, the bottom of briquetting sets flexible gasket, connector sleeve and rubber layer
Between be also socketed with a sound-absorbing casing, the foamed aluminium material system that the sound-absorbing casing is specifically 84.3%-86.5% by porosity
At the rubber layer is made of foam rubbery material.
2. a kind of automobile exhaust pipe holder of high suitability sound-absorbing damping according to claim 1, it is characterised in that: described
The end of screw is equipped with round end convex block.
3. a kind of automobile exhaust pipe holder of high suitability sound-absorbing damping according to claim 1 or 2, it is characterised in that:
The front cover with a thickness of 1.5-2.0cm.
4. the automobile exhaust pipe holder of high suitability sound-absorbing damping according to claim 3, it is characterised in that: the screw thread
The quantity in hole is 3, and threaded hole and rectangular through-hole are in circumferential array around the axle center of connector sleeve.
5. a kind of automobile exhaust pipe holder of high suitability sound-absorbing damping according to claim 1, it is characterised in that: described
Rubber layer is equipped at least two cushion holes, and cushion hole is circumferentially distributed.
6. a kind of automobile exhaust pipe holder of high suitability sound-absorbing damping according to claim 5, it is characterised in that: described
It is interference fit between connector sleeve and sound-absorbing casing.
7. a kind of automobile exhaust pipe holder of high suitability sound-absorbing damping according to claim 6, it is characterised in that: described
Secondary pressing device identical with pressing device structure snd size also is provided in inner tube at the rear cover, after cover and be equipped with and secondary compress
The one-to-one deputy thread hole of device, and the thickness of the rear cover is identical as the thickness of front cover.
8. a kind of installation method of the automobile exhaust pipe holder of high suitability sound-absorbing damping according to claim 6, special
Sign is: rubber layer is socketed in mounting hole first, is then connected to sound-absorbing casing outside connector sleeve by heat-sealing machine heat seal,
The overall structure being made of sound-absorbing casing and connector sleeve is socketed in rubber layer again, finally by exhaust shroud in connector sleeve,
Precession screw, briquetting compress exhaust pipe to the axle center of connector sleeve is mobile.
9. a kind of installation method of the automobile exhaust pipe holder of high suitability sound-absorbing damping according to claim 8, special
Sign is: the heating temperature of the heat-sealing machine is 83-86 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610330725.6A CN105863801B (en) | 2016-05-18 | 2016-05-18 | A kind of automobile exhaust pipe holder of high suitability sound-absorbing damping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610330725.6A CN105863801B (en) | 2016-05-18 | 2016-05-18 | A kind of automobile exhaust pipe holder of high suitability sound-absorbing damping |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105863801A CN105863801A (en) | 2016-08-17 |
| CN105863801B true CN105863801B (en) | 2019-01-29 |
Family
ID=56634324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610330725.6A Expired - Fee Related CN105863801B (en) | 2016-05-18 | 2016-05-18 | A kind of automobile exhaust pipe holder of high suitability sound-absorbing damping |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105863801B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111824061A (en) * | 2019-04-16 | 2020-10-27 | 宁波均胜汽车安全系统有限公司 | Noise reduction device for safety belt |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3817337B2 (en) * | 1997-06-05 | 2006-09-06 | 株式会社アルティア橋本 | Pipe finisher mounting bracket |
| JP4212442B2 (en) * | 2003-09-17 | 2009-01-21 | カルソニックカンセイ株式会社 | Exhaust pipe resonance suppression device |
| CN102777242B (en) * | 2012-07-26 | 2014-04-02 | 宁波千汇汽车饰件有限公司 | Exhaust pipe support |
| CN104329154B (en) * | 2014-11-19 | 2017-04-19 | 柳州市莫尔斯汽配制造有限公司 | Exhaust pipe bracket structure |
| CN204267445U (en) * | 2014-12-04 | 2015-04-15 | 安徽耐得电气设备有限公司 | The U-shaped anchor ear of a kind of adjustable type |
| CN205154332U (en) * | 2015-10-20 | 2016-04-13 | 常州新区长江冲压件有限公司 | Automobile exhaust pipe holder |
-
2016
- 2016-05-18 CN CN201610330725.6A patent/CN105863801B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN105863801A (en) | 2016-08-17 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20181214 Address after: 110041 25 Xiaogucheng Street, Dadong District, Shenyang City, Liaoning Province Applicant after: Posen Tail Gas System (Shenyang) Co., Ltd. Address before: Room 1606, Block B, Greenbelt New City, Jinghu District, Wuhu City, Anhui Province Applicant before: Zhao Wenjuan |
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