CN108162901B - Pre-breaking type vehicle-mounted ultrasonic sensor fixing device - Google Patents
Pre-breaking type vehicle-mounted ultrasonic sensor fixing device Download PDFInfo
- Publication number
- CN108162901B CN108162901B CN201711440007.5A CN201711440007A CN108162901B CN 108162901 B CN108162901 B CN 108162901B CN 201711440007 A CN201711440007 A CN 201711440007A CN 108162901 B CN108162901 B CN 108162901B
- Authority
- CN
- China
- Prior art keywords
- ultrasonic sensor
- hole
- support
- elastic
- automobile bumper
- 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.)
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- 239000002390 adhesive tape Substances 0.000 claims abstract description 14
- 239000000523 sample Substances 0.000 claims abstract description 10
- 238000009434 installation Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/48—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects combined with, or convertible into, other devices or objects, e.g. bumpers combined with road brushes, bumpers convertible into beds
- B60R19/483—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects combined with, or convertible into, other devices or objects, e.g. bumpers combined with road brushes, bumpers convertible into beds with obstacle sensors of electric or electronic type
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Abstract
The invention discloses a pre-breaking type vehicle-mounted ultrasonic sensor fixing device which comprises an automobile bumper (1), an elastic cover ring (2) and a support (4) as well as an adhesive tape (5), wherein a mounting hole (11) is formed in the automobile bumper (1), the elastic cover ring (2) is clamped in the mounting hole (11), a through hole (21) is formed in the elastic cover ring (2), the size of the through hole (21) is matched with that of a probe end of an ultrasonic sensor (3), the support (4) is fixed on the inner side surface of the automobile bumper (1), one end of the elastic cover ring (2) is clamped in a positioning hole (44) of the support (4), and the probe end of the ultrasonic sensor (3) penetrates through the positioning hole (44) and is fixed in the through hole (21). After the support is supported by the support 4 salient points (45) in the support (4) and is attached and fixed on the inner side surface of the automobile bumper (1) through the adhesive tape (5), an elastic crank structure (46) (shown in figure 3) in the support (4) is automatically broken. The fixing device for the vehicle-mounted ultrasonic sensor provided by the invention has the advantages of simple structure, accurate alignment, convenience in installation, no residual stress, complete adhesive tape adhesion and good fastness.
Description
Technical Field
The invention relates to the technical field of automobiles, in particular to a fixing device of a vehicle-mounted ultrasonic sensor.
Background
The application of the reversing auxiliary system using the ultrasonic sensor as a main component on the automobile is more and more widespread, and the ultrasonic sensor is generally installed on a bumper at the front or rear of the automobile, and is used for detecting the distance between the automobile body and an obstacle and reminding a driver to pay attention when the set dangerous distance is reached.
At present, ultrasonic sensors mounted on automobile bumpers in the market are generally divided into a head cover type and a back adhesive type.
The back glue type ultrasonic sensor needs special tooling equipment positioning and fixing devices so as to ensure that the sensor is concentric with a bumper hole.
Or special jigs are manufactured, and special rotary jigs are manufactured in Chinese invention patent with patent number ZL201520686331.5 for ensuring that the sensor and the bumper are concentric. However, in the implementation process of the patent, the rotating jig is easy to skew in the rotating alignment process, and at the moment, the adhesive tape is likely to be adhered to the bumper first to cause inaccurate alignment, so that the adjustment is inconvenient.
Disclosure of Invention
In order to solve the problems in the prior art, the invention aims to provide a fixing device of a pre-breaking type vehicle-mounted ultrasonic sensor, which is simple in structure and convenient to install.
Based on the problems, the technical scheme provided by the invention is as follows:
the fixing device of the vehicle-mounted ultrasonic sensor comprises an automobile bumper, an elastic cover ring and a support, wherein a mounting hole is formed in the automobile bumper, the elastic cover ring is clamped in the mounting hole, the elastic cover ring is provided with a through hole, the size of the through hole is matched with that of a probe end of the ultrasonic sensor, the support is fixed on the inner side face of the automobile bumper, and the probe end of the ultrasonic sensor penetrates through the positioning hole and is fixed in the through hole.
In one embodiment, the bracket comprises a fixing plate, a first side plate and a second side plate, wherein the first side plate and the second side plate are arranged on the fixing plate, the fixing plate is provided with the positioning holes and is fixed on the inner side surface of the automobile bumper, and the first side plate and the second side plate are arranged on two radial sides of the positioning holes and are perpendicular to the fixing plate.
In one embodiment, a double faced adhesive tape is attached between the fixing plate and the inner side surface of the automobile bumper, and a through hole matched with the positioning hole is formed in the double faced adhesive tape.
In one embodiment, the bracket comprises 4 bump structures and an elastic crank structure.
In one embodiment, the bump structure is 0.3-0.5 mm higher than the thickness of the adhesive tape, and the elastic crank structure is in a vertical direction.
In one embodiment, the bracket comprises a pre-breaking structure, a U-shaped structure is formed, the bottom of the U-shaped structure is arc-shaped, and the distance between the U-shaped structure and the top surface of the fixing plate is 0.2-0.3 mm.
Compared with the prior art, the invention has the advantages that:
by adopting the technical scheme of the invention, the mounting hole is arranged on the automobile bumper, the elastic cover ring is clamped in the mounting hole, the bracket is fixed on the inner side surface of the automobile bumper, and the ultrasonic sensor is fixed in the through hole of the elastic cover ring after passing through the positioning hole. When the support is fixed, the salient points contact the inner side surface of the bumper firstly, after the support is aligned and adjusted, the adhesive tape is attached, the pre-breaking structure on the elastic cantilever is broken, and the support is completely attached to the inner side surface of the bumper. The problem that residual stress influences adhesive tape adhesion fastness after the bracket is not easy to align and adjust is solved.
The invention is further improved as follows:
furthermore, the bracket and the elastic crank arm are made of two engineering plastic materials.
Furthermore, the elastic crank arm is made of a material with higher elastic strength, and the elastic modulus is more than 9800 MPA.
Furthermore, the bracket and the elastic crank arm adopt a double-injection molding mode, and the material joint is pre-broken.
Further, the joint structure of the bracket and the elastic crank is shown in fig. 5, so that the elastic crank is convenient to break.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly described below, in which the drawings are only some embodiments of the present invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is an exploded view of an embodiment of a fixture for an in-vehicle ultrasonic sensor of the present invention;
FIG. 2 is a schematic illustration of the exterior side of an automotive bumper post-installation according to an embodiment of the present invention;
FIG. 3 is a detailed view of the structure of the elastic crank according to the embodiment of the invention;
FIG. 4 is a schematic view of a pre-breaking structure of an elastic crank according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a dual shot pre-break structure of an elastic crank according to an embodiment of the present invention. Wherein:
1. an automobile bumper; 11. a mounting hole;
2. an elastic cover ring; 21. a through hole;
3. an ultrasonic sensor;
4. a bracket; 41. a fixing plate; 42. a first side plate; 43. a second side plate; 44. positioning holes; 45. a bump; 46. an elastic crank; 47. a pre-breaking structure; 48. a double-shot pre-breaking structure;
5. double faced adhesive tape.
Detailed Description
The above-described aspects are further described below in conjunction with specific embodiments. It should be understood that these examples are illustrative of the present invention and are not intended to limit the scope of the present invention. The implementation conditions used in the examples may be further adjusted according to the conditions of the specific manufacturer, and the implementation conditions not specified are generally those in routine experiments.
Referring to fig. 1, for a schematic view of an embodiment of the present invention, there is provided a fixing device for a vehicle-mounted ultrasonic sensor, including a bumper 1, an elastic cover ring 2 and a bracket 4, wherein a mounting hole 11 is provided on the bumper 1, the elastic cover ring 2 is clamped in the mounting hole 11, the elastic cover ring 2 is provided with a through hole 21, the size of the through hole 21 matches with the probe end of the ultrasonic sensor 3 for fixing the probe end of the ultrasonic sensor 3 in the elastic cover ring 2, and the bracket 4 for the ultrasonic sensor 3 is further provided, the bracket 4 is fixed on the inner side surface of the bumper 1, and the probe end of the ultrasonic sensor 3 passes through a positioning hole 44 and is fixed in the through hole 21 of the elastic cover ring 2 when being mounted.
The bracket 4 in this embodiment includes a fixing plate 41, and a first side plate 42 and a second side plate 43 disposed on the fixing plate 41, wherein the fixing plate 41 is provided with a positioning hole 44 and is fixed on an inner side surface of the bumper 1, and the first side plate 42 and the second side plate 43 are disposed on two radial sides of the positioning hole 44 and are perpendicular to the fixing plate 41.
When in installation, the elastic cover ring 2 is embedded in the installation hole 11 of the automobile bumper 1, and then the positioning jig passes through the positioning hole 44 of the bracket 4, and then the bracket 4 is fixed on the inner side surface of the automobile bumper 1 through the double-sided adhesive tape 5; the 4 salient points 45 in the bracket 4 support the bracket fixing plate 41 first, and after being attached and fixed on the inner side surface of the bumper (1), an elastic crank structure (46) (figure 3) in the bracket (4) breaks automatically; the positioning jig compresses tightly elastic cover ring 2, and is fixed after passing through locating hole 44 and through hole 11 with ultrasonic sensor 3 at last, wherein through the card hook structure fixed connection between ultrasonic sensor 3 and the support 4, be equipped with the draw-in groove at the locating hole 44 of support 4, locate the fixture block simultaneously on ultrasonic sensor 3 body to the draw-in groove cooperatees with the fixture block, and ultrasonic sensor 3's probe face flushes with automobile bumper 1, and the lateral surface of automobile bumper is as shown in fig. 2 after the installation.
The above examples are provided for illustrating the technical concept and features of the present invention and are intended to enable those skilled in the art to understand the contents of the present invention and to implement the same, and are not intended to limit the scope of the present invention. All equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.
Claims (3)
1. Vehicle-mounted ultrasonic sensor fixing device, its characterized in that: the automobile bumper comprises an automobile bumper (1), an elastic cover ring (2) and a support (4), wherein a mounting hole (11) is formed in the automobile bumper (1), the elastic cover ring (2) is clamped in the mounting hole (11), the elastic cover ring (2) is provided with a through hole (21) and the size of the through hole (21) is matched with the probe end of an ultrasonic sensor (3), the support (4) is fixed on the inner side surface of the automobile bumper (1), positioning holes (44) are formed in the support (4), elastic crank arms (46) are arranged on two sides of the support (4), bump structures (45) are arranged at two ends of the elastic crank arms (46), double faced adhesive tape (5) are arranged on the surface of the support (4), and the probe end of the ultrasonic sensor (3) penetrates through the positioning holes (44) and is fixed in the through hole (21);
the bracket (4) comprises a fixed plate (41) and a first side plate (42) and a second side plate (43) which are arranged on the fixed plate (41), wherein the fixed plate (41) is provided with a positioning hole (44) and is fixed on the inner side surface of the automobile bumper (1), and the first side plate (42) and the second side plate (43) are arranged on two radial sides of the positioning hole (44) and are perpendicular to the fixed plate (41);
the elastic crank arm (46) comprises a pre-breaking structure (47), the pre-breaking structure (47) is U-shaped, the bottom of the U-shaped is arc-shaped, and the distance between the U-shaped bottom and the top surface of the fixing plate (41) is 0.2-0.3 mm.
2. The vehicle-mounted ultrasonic sensor fixture of claim 1, wherein: and the double faced adhesive tape (5) is provided with a through hole matched with the positioning hole (44).
3. The vehicle-mounted ultrasonic sensor fixing device according to claim 1, wherein the bump structure (45) is 0.3-0.5 mm higher than the double faced adhesive tape (5), and the elastic crank arm (46) is in a vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711440007.5A CN108162901B (en) | 2017-12-27 | 2017-12-27 | Pre-breaking type vehicle-mounted ultrasonic sensor fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711440007.5A CN108162901B (en) | 2017-12-27 | 2017-12-27 | Pre-breaking type vehicle-mounted ultrasonic sensor fixing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108162901A CN108162901A (en) | 2018-06-15 |
| CN108162901B true CN108162901B (en) | 2024-01-05 |
Family
ID=62522016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711440007.5A Active CN108162901B (en) | 2017-12-27 | 2017-12-27 | Pre-breaking type vehicle-mounted ultrasonic sensor fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108162901B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3051562U (en) * | 1998-02-18 | 1998-08-25 | イシハラ 株式会社 | Hazard warning sensors for automobiles |
| JPH11271423A (en) * | 1998-03-23 | 1999-10-08 | Pacific Ind Co Ltd | Ultrasonic sensor attaching structure |
| CN201211873Y (en) * | 2008-03-18 | 2009-03-25 | 辉创电子科技(苏州)有限公司 | Backward radar fixer |
| CN102798853A (en) * | 2011-05-24 | 2012-11-28 | 株式会社电装 | Maintainer used for installing sensor |
| JP2014024437A (en) * | 2012-07-26 | 2014-02-06 | Denso Corp | Distance sensor for vehicle |
| CN105059229A (en) * | 2015-09-07 | 2015-11-18 | 清华大学苏州汽车研究院（吴江） | Improved vehicle-mounted ultrasonic sensor fixing device |
| JP2016008923A (en) * | 2014-06-25 | 2016-01-18 | トヨタ自動車株式会社 | Retainer for mounting sensor |
| CN105899967A (en) * | 2014-01-27 | 2016-08-24 | 松下知识产权经营株式会社 | Fastening member, and obstacle detection device employing fastening member |
| CN208452942U (en) * | 2017-12-27 | 2019-02-01 | 清华大学苏州汽车研究院（吴江） | One kind prejudging the fixed device of formula vehicle-mounted ultrasonic wave sensor |
-
2017
- 2017-12-27 CN CN201711440007.5A patent/CN108162901B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3051562U (en) * | 1998-02-18 | 1998-08-25 | イシハラ 株式会社 | Hazard warning sensors for automobiles |
| JPH11271423A (en) * | 1998-03-23 | 1999-10-08 | Pacific Ind Co Ltd | Ultrasonic sensor attaching structure |
| CN201211873Y (en) * | 2008-03-18 | 2009-03-25 | 辉创电子科技(苏州)有限公司 | Backward radar fixer |
| CN102798853A (en) * | 2011-05-24 | 2012-11-28 | 株式会社电装 | Maintainer used for installing sensor |
| JP2014024437A (en) * | 2012-07-26 | 2014-02-06 | Denso Corp | Distance sensor for vehicle |
| CN105899967A (en) * | 2014-01-27 | 2016-08-24 | 松下知识产权经营株式会社 | Fastening member, and obstacle detection device employing fastening member |
| JP2016008923A (en) * | 2014-06-25 | 2016-01-18 | トヨタ自動車株式会社 | Retainer for mounting sensor |
| CN105059229A (en) * | 2015-09-07 | 2015-11-18 | 清华大学苏州汽车研究院（吴江） | Improved vehicle-mounted ultrasonic sensor fixing device |
| CN208452942U (en) * | 2017-12-27 | 2019-02-01 | 清华大学苏州汽车研究院（吴江） | One kind prejudging the fixed device of formula vehicle-mounted ultrasonic wave sensor |
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| Publication number | Publication date |
|---|---|
| CN108162901A (en) | 2018-06-15 |
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