CN104908819B - Noise reduction structure for vehicle body sheet metal part cavity - Google Patents
Noise reduction structure for vehicle body sheet metal part cavity Download PDFInfo
- Publication number
- CN104908819B CN104908819B CN201510297725.6A CN201510297725A CN104908819B CN 104908819 B CN104908819 B CN 104908819B CN 201510297725 A CN201510297725 A CN 201510297725A CN 104908819 B CN104908819 B CN 104908819B
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- automobile
- rubber block
- post
- expansion rubber
- sheet metal
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- 239000002184 metal Substances 0.000 title claims abstract description 66
- 238000000034 method Methods 0.000 claims abstract description 17
- 239000003792 electrolyte Substances 0.000 claims abstract description 13
- 238000003780 insertion Methods 0.000 claims description 13
- 230000037431 insertion Effects 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 claims description 12
- 239000003292 glue Substances 0.000 claims description 10
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 238000010009 beating Methods 0.000 claims description 2
- 208000002925 dental caries Diseases 0.000 claims 2
- 238000004026 adhesive bonding Methods 0.000 claims 1
- 230000003628 erosive effect Effects 0.000 abstract description 3
- 238000009413 insulation Methods 0.000 abstract description 2
- 238000004140 cleaning Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 7
- 238000005192 partition Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 241000446313 Lamella Species 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005237 degreasing agent Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/08—Insulating elements, e.g. for sound insulation
- B60R13/0884—Insulating elements, e.g. for sound insulation for mounting around noise sources, e.g. air blowers
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- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention belongs to the technical field of sound insulation and noise reduction of a sheet metal cavity of an automobile body, and particularly relates to a noise reduction structure for the sheet metal cavity of the automobile body, which comprises an expansion rubber block arranged in the sheet metal cavity of the automobile body, wherein the expansion rubber block divides the sheet metal cavity into a plurality of chambers, a gap for electrolyte to pass through and/or a process hole for electrolyte to pass through are arranged between the expansion rubber block and the sheet metal part, the cavity of the sheet metal part of the automobile body is divided into two or more chambers by the expansion rubber block, so that the air flow is reduced and the automobile body is further formed, the noise reduction purpose of the automobile body can be achieved, a gap or a process hole for electrolyte to pass through is arranged between the expansion rubber block and the sheet metal part or on the expansion rubber block, the electrolyte can smoothly pass through the cavity of the sheet metal part, and the cleaning purpose of the electrolyte on the sheet metal part of the automobile is, and further reduces the erosion of external water vapor to the inside of the sheet metal part.
Description
Technical Field
The invention belongs to the technical field of sound insulation and noise reduction of automobile body sheet metal cavities, and particularly relates to a noise reduction structure for a vehicle body sheet metal part cavity.
Background
Automobile body sheet metal component is for satisfying the rigidity demand, and cavity column structure that the sheet metal component of two lamella half shell forms was buckled and is formed generally ensures that the application liquid stream can run through to the panel beating cavity for satisfying the application demand of the sheet metal component of this cavity form, has generally seted up the hole on the sheet metal component. However, in the driving process of the automobile, the high-speed airflow enters the automobile body from the hole formed in the cavity easily, so that a vortex is formed in the cavity of the automobile body sheet metal part, turbulent airflow noise is generated, resonance of the sheet metal part is caused, moisture and dirt easily enter the cavity, corrosion damage can be caused to the sheet metal part of the automobile body, and therefore the cavity of the automobile body sheet metal part is separated, and the reduction of the noise of the automobile body is particularly important.
Disclosure of Invention
The invention aims to: the utility model provides a structure of making an uproar falls for automobile body sheet metal component cavity can fall the noise to automobile body sheet metal component cavity.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a structure of making an uproar falls for automobile body sheet metal component cavity which characterized in that: the structure of making an uproar falls glues the piece including the inflation that sets up in the automobile body sheet metal component cavity, the inflation is glued the piece and is cut apart into a plurality of cavities with the sheet metal component cavity, and the inflation is glued and is provided with the fabrication hole that supplies electrolyte to pass through on being provided with clearance and/or the inflation that supplies electrolyte to pass through between piece and the sheet metal component.
Compared with the prior art, the invention has the technical effects that: utilize the inflation to glue the piece and cut apart the cavity of automobile body sheet metal component and be two or two above cavities, reduce the air current and then in the automobile body, and then can play the purpose of making an uproar of falling to automobile body, glue between piece and sheet metal component or the inflation and glue the clearance or the fabrication hole that set up the power supply and electrolyze liquid and pass through on the piece, can be smooth in the cavity through the sheet metal component of electrolyte, ensure the washing purpose of electrolyte to the automobile sheet metal component, and then reduce the inside erosion of external steam to the sheet metal component.
Drawings
FIG. 1 is a schematic view of the present invention applied to a typical car sheet metal part;
FIG. 2 is a schematic structural view of an A-pillar expansion block applied to an A-pillar of an automobile;
FIG. 3 is a schematic view of the assembly of the A-pillar expansion block with the A-pillar of the vehicle;
FIG. 4 is an enlarged view of I of FIG. 3;
FIG. 5 is a schematic view of an A-pillar expansion block applied to another location of the automobile A;
FIG. 6 is a schematic view of the assembly of the A-pillar expansion block with the A-pillar of the vehicle;
FIG. 7 is a schematic view of the assembly of the A-pillar expansion rubber block applied to the A-pillar of the automobile and the shell;
FIG. 8 is a schematic view of a B-pillar expansion block applied to the junction between the B-pillar and the threshold of the vehicle;
FIGS. 9 and 10 are schematic structural views of the B-pillar expansion rubber block at the junction of the B-pillar and the threshold of the automobile;
FIG. 11 is a schematic view of a D-pillar expansion block applied to a D-pillar of an automobile;
FIG. 12 is a view showing the assembly of a D-pillar expansion block applied to a D-pillar of an automobile with a spacer;
fig. 13 is a schematic structural diagram of the assembled D-pillar expansion rubber block and the partition applied to the D-pillar of the automobile.
Detailed Description
The invention will be described in further detail with reference to the accompanying drawings, in which figures 1 to 13 are shown:
the utility model provides a structure of making an uproar falls for automobile body sheet metal component cavity, glues the piece including setting up the inflation in automobile body sheet metal component cavity, the face that the piece was glued in the inflation is glued the face and the sheet metal component cavity along the cross-section level of horizontal plane or be the contained angle setting, is provided with the grafting portion fixed with sheet metal component face fabrication hole on the inflation gluey piece, is provided with fabrication hole or the clearance that supplies electrolytic bath liquid to pass through between inflation gluey piece and the sheet metal component.
Utilize the inflation to glue the piece and cut apart the cavity of automobile body sheet metal component and be two or two above cavities, reduce the air current and then in the automobile body, and then can play the purpose of making an uproar of falling to automobile body, glue between piece and sheet metal component or the inflation and glue the clearance or the fabrication hole that set up the power supply and electrolyze liquid and pass through on the piece, can be smooth in the cavity through the sheet metal component of electrolyte, ensure the washing purpose of electrolyte to the automobile sheet metal component, and then reduce the inside erosion of external steam to the sheet metal component.
The concept of the invention is described below with reference to 4 different expansion block configurations:
the a-pillar expansion rubber 10A applied to the a-pillar 10 of the automobile in the present invention will be described with reference to fig. 1 and fig. 2 to 4: the A column expansion rubber block 10A is arranged at the middle section of the automobile A column 10 in the length direction, the peripheral outline of the plate surface of the A column expansion rubber block 10A is matched with the outline of the section of a cavity of the automobile A column 10, a fabrication hole 11 is formed in the A column expansion rubber block 10A, and an inserting part 12 fixed with a metal plate of the automobile A column 10 is arranged at the edge of the A column expansion rubber block 10A;
the plate surface of the column A expansion rubber block 10A is perpendicular to the length direction of the automobile column A10, the edge of the column A expansion rubber block 10A is attached to the inner wall surface of the automobile column A10, the process holes 11 are waist-shaped and are arranged at intervals, the column A expansion rubber block 10A is also provided with a limiting column 111 which is abutted against the inner side plate surface of the automobile column A10, the insertion part 12 is an elastic non-return plug arranged at the edge of the column A expansion rubber block 10A, and the elastic non-return plug and the process holes arranged on the automobile column A10 form insertion fit;
the a-pillar expansion rubber 10A applied to another position of the a-pillar 10 of the automobile in the present invention will be described with reference to fig. 5 to 7: a shell 50 is arranged in a cavity on the automobile A column 10, the shell 50 is integrally rectangular box-shaped, a box surface of the shell 50 is welded and fixed with the automobile A column 10, the outline of the outer surface of the shell 50 is matched with the outline of a cavity of the automobile A column 10, the A column expansion rubber block 10A is arranged on the upper shell surface of the shell 50, the plate surface of the A column expansion rubber block 10A is vertical to the length direction of the automobile A column 10, the edge of the A column expansion rubber block 10A is attached to the inner wall surface of the automobile A column 10, two process holes 11 are arranged at intervals, the insertion part 12 is two elastic clamping feet which are arranged on the plate surface of the A column expansion rubber block 10A in a hanging mode, the two elastic clamping feet extend into the cavity of the shell 50 and have the same hanging direction, two gaps 51 are further arranged on the shell 50, two limiting blocks 111 are correspondingly arranged on the A column expansion rubber block 10A, and the two limiting blocks 111 are respectively arranged in the hanging direction of the, the two limit blocks 111 are respectively abutted against the two notches 51 on the shell 50.
The A column expansion rubber block 10A with the two structures comprises a clamping plate and an expansion rubber block 112 located at the edge of the clamping plate, the expansion rubber block 112 is attached to the inner wall surface of the automobile A column 10, and liquid in the automobile manufacturing process, such as degreasing agents and phosphating agent memory coatings, can enter the cavity of the automobile A column 10 through the fabrication hole 11.
Referring to fig. 8 to 10, the B-pillar expansion rubber 20B applied to the junction between the B-pillar 20 and the threshold 30 of the vehicle according to the present invention will be described: the automobile body sheet metal part is an automobile B-pillar 20, a B-pillar expansion rubber block 20B is arranged in a cavity at the junction position of the lower end of the automobile B-pillar 20 and an automobile threshold 30, the peripheral outline of the panel surface of the B-pillar expansion rubber block 20B is arranged in a manner of conforming to the outline of the cross section of the cavity of the automobile B-pillar 20, a process hole 21 is formed in the B-pillar expansion rubber block 20B, and an inserting part 22 fixed with the automobile threshold 30 sheet metal is further arranged on the B-pillar expansion rubber block 20B;
the B-pillar expansion rubber block 20B is integrally in a strip plate shape, the first end plate 211 and the second end plate 212 which are used for separating and arranging a cavity at the junction position of the automobile B-pillar 20 and the automobile threshold 30 are respectively arranged at the two ends of the B-pillar expansion rubber block 20B, the plate surface of the B-pillar expansion rubber block 20B is vertical to the length direction of the automobile B-pillar 20, the plate length direction is consistent with the automobile length direction, the insertion part 22 is two elastic check plugs arranged on the B-pillar expansion rubber block 20B, the insertion direction of the two elastic check plugs is vertical and forms insertion fit with a process hole arranged on the automobile threshold 30, the process holes 21 on the B-pillar expansion rubber block 20B are arranged at intervals, the limiting pillars 213 are arranged around the process holes 21 and the insertion part 22, the vertical type of the limiting pillars 213 is arranged on the plate surface of the B-pillar expansion rubber block 20B, the lower cylindrical surface of the limiting pillars 213 is abutted against the plate surface of the automobile threshold 30, and the limiting, so that a gap for liquid to pass through is formed between the B-pillar expansion rubber block 20B and the threshold 30, thereby ensuring the liquid soaking effect in the automobile manufacturing process.
With reference to fig. 11 to 13, a D-pillar expansion rubber block 40D applied to the inside of the cavity of the D-pillar 40 of the vehicle in the present invention will be described: the automobile body sheet metal part is an automobile D column 40, a partition plate 41 for partitioning the automobile D column 40 into double cavities is arranged in the automobile D column 40, the partition plate 41 is vertically arranged along the length direction of the automobile D column 40, D column expansion rubber blocks 40D are respectively arranged in the double cavities of the automobile D column 40D, the two D column expansion rubber blocks 40D are respectively arranged on the plate surfaces on two sides of the partition plate 41 of the automobile D column 40, the plate surface profiles of the two D column expansion rubber blocks 40D are arranged in a manner of conforming to the cavity cross section profile of the automobile D column 40, and an inserting part 42 fixed with the automobile D column 40 sheet metal is further arranged on the D column expansion rubber block 40D;
two D post inflation are glued piece 40D faces and are perpendicular with car D post 40's length direction, two D post inflation are glued piece 40D and car D post 40's face clearance setting, grafting portion 42 is located D post inflation and is glued piece 40D and neighbouring 41 side edge settings of baffle, grafting portion 42 is two overhanging and the elasticity non return plug that the interval set up, be provided with the through-hole that supplies elasticity non return plug to pass on the baffle 41, the adjacent 41 side edge of baffle of D post inflation is glued piece 40D and is still provided with stopper 411, stopper 411 supports with baffle 41's face and leans on.
The two D-pillar expansion rubber blocks 40D include a clamping plate and an expansion rubber block 412 located at the edge of the clamping plate, and the expansion rubber block 412 is attached to the inner wall surface of the automobile D-pillar 40.
Claims (8)
1. The utility model provides a structure of making an uproar falls for automobile body sheet metal component cavity which characterized in that: the noise reduction structure comprises an expansion rubber block assembly arranged in a cavity of a sheet metal part of an automobile body, the expansion rubber block assembly divides the cavity of the sheet metal part into a plurality of cavities, the surface of the expansion rubber block and the cavity of the sheet metal part are arranged along the cross section of a horizontal plane horizontally or in an included angle, an insertion part fixed with a process hole of the surface of the sheet metal part is arranged on the expansion rubber block, a gap for electrolyte to pass through is arranged between the expansion rubber block assembly and the sheet metal part, and/or a process hole for the electrolyte to pass through is arranged on the expansion rubber block assembly;
the automobile body sheet metal part is an automobile A column (10), an A column expansion rubber block (10A) is arranged at the middle section position of the automobile A column (10) in the length direction, the peripheral outline of the plate surface of the A column expansion rubber block (10A) is arranged to be matched with the outline of the cavity section of the automobile A column (10), a fabrication hole (11) is formed in the A column expansion rubber block (10A), and an inserting part (12) fixed with the automobile A column (10) is arranged at the edge of the A column expansion rubber block (10A);
the length direction of A post inflation gluey piece (10A) face and car A post (10) is perpendicular, and the edge of A post inflation gluey piece (10A) is laminated with the internal face of car A post (10), and fabrication hole (11) are waist shape and interval and are provided with two, still be provided with on A post inflation gluey piece (10A) with spacing post (111) that the inboard face of car A post (10) leaned on, grafting portion (12) are the elasticity non return plug of gluing piece (10A) edge for setting up at A post inflation, and elasticity non return plug constitutes the grafting cooperation with the fabrication hole that sets up on car A post (10).
2. The noise reduction structure for the cavity of the sheet metal part of the vehicle body according to claim 1, characterized in that: the automobile body sheet metal part is automobile B post (20), set up B post inflation in the cavity that automobile B post (20) lower extreme and automobile threshold (30) juncture position department were located and glue piece (20B), the peripheral profile of face of B post inflation gluey piece (20B) accords with the setting with the cavity cross-section profile of automobile B post (20), process hole (21) have been seted up on B post inflation gluey piece (20B), still be provided with on B post inflation gluey piece (20B) with fixed grafting portion (22) of automobile threshold (30) panel metal.
3. The noise reduction structure for the cavity of the sheet metal part of the vehicle body according to claim 1, characterized in that: the automobile body sheet metal part is car D post (40), be provided with in car D post (40) and separate car D post (40) and establish baffle (41) that are two cavitys, baffle (41) are laid along car D post (40) length direction, respectively be provided with D post inflation in the two cavitys of car D post (40) and glue piece (40D), two D post inflation is glued piece (40D) and is set up baffle (41) both sides face at car D post (40) respectively, the peripheral profile of face of two D post inflation is glued piece (40D) and is accorded with the setting with the cavity cross-section profile of car D post (40), still be provided with on D post inflation is glued piece (40D) with fixed grafting portion (42) of car D post (40) panel beating.
4. The noise reduction structure for the cavity of the sheet metal part of the vehicle body according to claim 1, characterized in that: a shell (50) is arranged in a cavity on the automobile A column (10), the shell (50) is integrally rectangular box-shaped, a box surface is welded and fixed with the automobile A column (10), the outline of the outer surface of the shell (50) is matched with the outline of a cavity of the automobile A column (10), the A column expansion rubber block (10A) is arranged on the upper shell surface of the shell (50), the plate surface of the A column expansion rubber block (10A) is vertical to the length direction of the automobile A column (10), the edge of the A column expansion rubber block (10A) is attached to the inner wall surface of the automobile A column (10), two process holes (11) are arranged at intervals, the insertion part (12) is two elastic clamping feet which are arranged on the plate surface of the A column expansion rubber block (10A) in an overhanging mode, the two elastic clamping feet extend into the cavity of the shell (50) and have the same overhanging direction, two gaps (51) are further arranged on the shell (50), and two limit blocks (111) are correspondingly arranged on the A column expansion rubber block (10A), the two limiting blocks (111) are respectively positioned in the overhanging direction of the two elastic clamping feet and are correspondingly arranged, and the two limiting blocks (111) are respectively abutted against the two openings (51) on the shell (50).
5. The noise reduction structure for the cavity of the sheet metal part of the vehicle body according to claim 2, characterized in that: the B-pillar expansion rubber block (20B) is integrally in a strip plate shape, the two ends of the B-pillar expansion rubber block (20B) are respectively provided with a first end plate (211) and a second end plate (212) which are used for isolating a cavity at the junction position of the automobile B-pillar (20) and the automobile threshold (30), the plate surface of the B-pillar expansion rubber block (20B) is vertical to the length direction of the automobile B-pillar (20), the plate length direction is consistent with the automobile length direction, the insertion part (22) is two elastic non-return plugs arranged on the B-pillar expansion rubber block (20B), the insertion direction of the two elastic non-return plugs is vertical to the vertical direction and forms insertion fit with a process hole formed in the automobile threshold (30), two process holes (21) in the B-pillar expansion rubber block (20B) are arranged at intervals, limiting pillars (213) are arranged around the process holes (21) and the insertion part (22), and the limiting pillars (213) are vertically arranged on the plate surface of the B-pillar expansion rubber block (20B), the lower cylindrical surface of the limiting column (213) is abutted against the plate surface of the automobile threshold (30).
6. The noise reduction structure for the cavity of the sheet metal part of the vehicle body according to claim 3, characterized in that: two D post inflation are glued piece (40D) face and car D post (40) length direction perpendicular, the face clearance setting of two D post inflation rubber block (40D) and car D post (40), grafting portion (42) are located D post inflation rubber block (40D) and are close to baffle (41) one side edge setting, grafting portion (42) are two elasticity non return plugs that overhang and interval set up, be provided with the through-hole that supplies elasticity non return plug to pass on baffle (41), D post inflation rubber block (40D) is close to baffle (41) one side edge and still is provided with stopper (411), stopper (411) are supported with the face of baffle (41) and are leaned on.
7. The noise reduction structure for the cavity of the sheet metal part of the vehicle body according to claim 4, characterized in that: the A-column expansion rubber block (10A) comprises a clamping plate and an expansion rubber block (112) located at the edge of the clamping plate, and the expansion rubber block (112) is attached to the inner wall surface of the A-column (10) of the automobile.
8. The noise reduction structure for the cavity of the sheet metal part of the vehicle body according to claim 6, characterized in that: the two D-column expansion rubber blocks (40D) comprise clamping plates and expansion rubber blocks (412) located at the edges of the clamping plates, and the expansion rubber blocks (412) are attached to the inner wall surfaces of the automobile D-columns (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510297725.6A CN104908819B (en) | 2015-06-03 | 2015-06-03 | Noise reduction structure for vehicle body sheet metal part cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510297725.6A CN104908819B (en) | 2015-06-03 | 2015-06-03 | Noise reduction structure for vehicle body sheet metal part cavity |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104908819A CN104908819A (en) | 2015-09-16 |
| CN104908819B true CN104908819B (en) | 2020-08-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510297725.6A Active CN104908819B (en) | 2015-06-03 | 2015-06-03 | Noise reduction structure for vehicle body sheet metal part cavity |
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| Country | Link |
|---|---|
| CN (1) | CN104908819B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107585214B (en) * | 2017-09-04 | 2023-09-08 | 北汽福田汽车股份有限公司 | Car body side wall and vehicle |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101219650A (en) * | 2008-01-25 | 2008-07-16 | 上海华特汽车配件有限公司 | Rear wheel cover noise insulation block of car and uses thereof |
| CN102582534B (en) * | 2012-02-21 | 2014-07-02 | 奇瑞汽车股份有限公司 | Preformed sound-insulation rubber block and installation method therefor |
| CN102991434B (en) * | 2012-12-18 | 2016-05-18 | 奇瑞汽车股份有限公司 | A kind of expansion slab rubber and preparation thereof, installation method |
| CN203063853U (en) * | 2012-12-26 | 2013-07-17 | 帕卡机电配件（佛山）有限公司 | Foaming sound-insulation part for car |
| CN203126063U (en) * | 2013-03-06 | 2013-08-14 | 天津海程橡塑制品有限公司 | Flame-retardant high-foamed rubber expansion rubber block for lowering noise of automobiles, vehicles and ships |
| CN203668297U (en) * | 2013-11-27 | 2014-06-25 | 三友（天津）高分子技术有限公司 | High-foaming capacity automobile-used expansion rubber block with autohension property |
| JP6056739B2 (en) * | 2013-11-28 | 2017-01-11 | 豊田合成株式会社 | Automotive exterior parts |
| CN104015670B (en) * | 2014-05-22 | 2017-01-25 | 浙江吉利控股集团有限公司 | Skeleton type expanding rubber block arranged in stand column of vehicle |
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2015
- 2015-06-03 CN CN201510297725.6A patent/CN104908819B/en active Active
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| CN104908819A (en) | 2015-09-16 |
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