CN203666627U - Automatic braking device for automobile reversing - Google Patents
Automatic braking device for automobile reversing Download PDFInfo
- Publication number
- CN203666627U CN203666627U CN201420054501.3U CN201420054501U CN203666627U CN 203666627 U CN203666627 U CN 203666627U CN 201420054501 U CN201420054501 U CN 201420054501U CN 203666627 U CN203666627 U CN 203666627U
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- sheath
- fixedly connected
- rack
- layer
- rack tube
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Abstract
The utility model relates to an automatic braking device for automobile reversing. The automatic braking device for automobile reversing comprises a main controller, a touch switch, a horn, a server, a display and an ultrasonic transceiver, wherein the touch switch, the horn, the server, the display and the ultrasonic transceiver are respectively connected with the main controller. The server comprises a protective jacket, a solenoid valve, a gear rack sleeve positioning plate, a motor, a motor pinion, a big gear wheel, a pinion and a rack sleeve. The inner side wall of the bottom of the protective jacket is fixedly connected with a shock absorption sheet. The shock absorption sheet comprises a fixed layer, a rubber layer and a silica gel layer. The automatic braking device for automobile reversing has the advantages that the shock absorption sheet in contact with the rack sleeve is arranged in the protective jacket so as to effectively reduce the shock absorption elastic force generated by the rack sleeve in linear motion in the protective jacket, effectively prevent teeth on the rack sleeve from being damaged due to impact force, ensure the meshing positioning of the rack sleeve with the pinion, improve the braking effect and obtain good safety performance, and a fixed layer is arranged on the shock absorption sheet for fixed mounting so as to effectively ensure the reliable connection of the shock absorption sheet during the collision of the rack sleeve with the shock absorption sheet and mounting easiness.
Description
Technical field
The utility model relates to a kind of automatic brake device for automobile back running.
Background technology
Existing current auto-safety mechanism, great majority are that the ABS system and the safety air bag that improve braking quality are installed.Safety air bag is just to work in the time that automobile clashes, and to alleviate personnel's damage, is a kind of safety device of passive type.Through a kind of reversing automobile beam of retrieval Chinese patent (patent No. ZL201120156283.0), by ultrasonic transmitter-receiver, telltale, loudspeaker, cancel switch, the self-actuating brake reversing gear of master controller and servomechanism composition, wherein braking device is by electromagnetic valve, motor, gear, rack tube and steel wire bracing wire and bracing wire cover composition, pull brake pedal to realize brake by steel wire bracing wire, when rack tube is in the time doing straight-line motion, because easily making rack tube and sheath, inertia bumps, when long-time use, the tooth that rack tube is provided with is easily because the power that collision produces is damaged, thereby make miniature gears and rack tube to engage locating effect poor, thereby cause braking effect, reduce safety performance, poor reliability.
Utility model content
The technical problems to be solved in the utility model is that the tooth on the tooth bar that exists of existing automatic brake device for automobile back running is easily impacted and damages, thereby make miniature gears and rack tube to engage locating effect poor, thereby cause braking effect, reduce safety performance, poor reliability, thus a kind of automatic brake device for automobile back running is provided.
In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions: a kind of automatic brake device for automobile back running, comprise master controller, the contact switch being connected with master controller respectively, loudspeaker, servomechanism, telltale and ultrasonic transmitter-receiver, described ultrasonic transmitter-receiver is electrically connected with loudspeaker and telltale respectively, described servomechanism is connected with brake assembly, described servomechanism comprises sheath, be fixedly connected on the electromagnetic valve in sheath, be fixedly connected on the rack-and-gear cover locating plate in sheath by screw, be fixedly connected on the motor of rack-and-gear cover locating plate below, the aperture that is fixedly connected on the motor pinion on motor and overlap on locating plate by rack-and-gear is fixed, be fixedly connected on the big gear wheel on rack-and-gear cover locating plate, be fixedly connected on the miniature gears in big gear wheel by axle, be arranged on the rack tube on rack-and-gear cover locating plate, described motor pinion is parallel with big gear wheel and miniature gears is parallel with rack tube, the front end of described rack tube is fixed by the circular hole in sheath, location is engaged in described rack tube rear end with miniature gears, described rack tube front end both sides are fixedly connected with respectively the first yielding rubber cover and the second yielding rubber cover, on described rack tube, stud with one and be fixedly connected with brake assembly the steel wire bracing wire that an outside cover has bracing wire to overlap, the front end of sheath is provided with bracing wire cover fixed plate and fixes by upper lower jacket, what described bracing wire was overlapped is positioned at foremost sheath top and fixes by upper lower jacket, the middle part of described sheath is provided with the stroke positioning baffle for locating rack tube, on the bottom madial wall of described sheath, be fixedly connected with one and can reduce the vibration damping sheet that produces damping spring when rack tube does straight-line motion in sheath, described vibration damping sheet comprise can crimp for vibration damping sheet being fixedly connected on to the bound layer in sheath, rubber layer, silica gel layer, the Thickness Ratio of described rubber layer and silica gel layer is 2:5～3:5, described bound layer is built in described sheath, the madial wall of described sheath is provided with the mounting groove of installing for bound layer, described mounting groove is provided with circular groove, described bound layer is provided with the annular bar with circular groove heavy keying fit, described silica gel layer is provided with some slipmat and some tread plates, described slipmat and tread plate are crisscross arranged in silica gel layer.
Preferably, the thickness of described vibration damping sheet is 20～30mm, the thickness of described bound layer is 8～12mm, the Thickness Ratio of described rubber layer and silica gel layer is 1:2, described bound layer is built in the degree of depth in mounting groove and the Thickness Ratio of bound layer is 4:5, the width of described circular groove is 1.5～2mm, can effectively reduce the application force that rack tube produces, Practical Performance is good, in the time that the thickness of vibration damping sheet is less than 20mm, vibration damping sheet damage easy to wear, improve the work capacity of changing, in the time that the thickness of vibration damping sheet is greater than 30mm, be unfavorable for installing, Practical Performance is poor, in the time that the width of circular groove is less than 1.5mm, it is unreliable that bound layer connects, processing is inconvenient, in the time that the width of circular groove is greater than 2.5mm, bound layer easily comes off, Practical Performance is poor, can not well protect the tooth on rack tube.
Preferably; described bound layer is that middle part is provided with groove; the madial wall of described groove is provided with card article, is provided with the connecting portion matching with groove in described mounting groove, and described connecting portion is provided with the draw-in groove suitable with card article; by card article and coordinating of draw-in groove bound layer being fixedly connected on connecting portion; make bound layer not be subject to the shock of rack tube and be moved, connecting reliably, better having protected the tooth on rack tube not to be damaged; improve Practical Performance, long service life.
In sum, advantage of the present utility model: contact with rack tube by the vibration damping sheet being provided with in sheath, can effectively reduce and when rack tube does straight-line motion in sheath, produce damping spring, the silica gel layer that vibration damping sheet is provided with has reduced the impact of rack tube, actv. prevents that tooth on rack tube from damaging because of impact, guarantee the engage location of rack tube with miniature gears, improve braking effect, safety performance is good, be provided with bound layer fixed installation by vibration damping sheet, actv. has prevented that rack tube is in the time bumping with vibration damping sheet, the connection that guarantees vibration damping sheet is reliable, easy for installation, be convenient to change.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Fig. 1 is the structured flowchart of the utility model automatic brake device for automobile back running;
Fig. 2 is the structural representation of the utility model servomechanism;
Fig. 3 is the utility model vibration damping sheet and the hard-wired structural representation of sheath.
The specific embodiment
As Fig. 1, Fig. 2, shown in Fig. 3, a kind of automatic brake device for automobile back running, comprise master controller 20, the contact switch 14 being connected with master controller 20 respectively, loudspeaker 15, servomechanism 16, telltale 17 and ultrasonic transmitter-receiver 18, described ultrasonic transmitter-receiver 18 is electrically connected with loudspeaker 15 and telltale 17 respectively, described servomechanism 16 is connected with brake assembly, described servomechanism 16 comprises sheath 12, be fixedly connected on the electromagnetic valve 1 in sheath 12, be fixedly connected on the rack-and-gear cover locating plate 13 in sheath 12 by screw, be fixedly connected on the motor 2 of rack-and-gear cover locating plate 13 belows, the aperture that is fixedly connected on the motor pinion 3 on motor 2 and overlap on locating plate 13 by rack-and-gear is fixed, be fixedly connected on the big gear wheel 4 on rack-and-gear cover locating plate 13, be fixedly connected on the miniature gears 5 in big gear wheel 4 by axle, be arranged on the rack tube 6 on rack-and-gear cover locating plate 13, described motor pinion 3 is parallel with big gear wheel 4 and miniature gears 5 is parallel with rack tube 6, the front end of described rack tube 6 is fixed by the circular hole in sheath 12, location is engaged with miniature gears 5 in described rack tube 6 rear ends, described rack tube 6 front end both sides are fixedly connected with respectively the first yielding rubber cover 7 and the second yielding rubber cover 9, on described rack tube 6, studding with one is fixedly connected with an outside cover with brake assembly and has the steel wire bracing wire 8 of bracing wire cover 11, the front end of sheath 12 is provided with bracing wire cover fixed plate 10 and fixes by upper lower jacket, being positioned at foremost sheath 12 tops and fixing by upper lower jacket of described bracing wire cover 11, the middle part of described sheath 12 is provided with the stroke positioning baffle for locating rack tube, on the bottom madial wall of described sheath 12, be fixedly connected with one and can reduce the vibration damping sheet 21 that produces damping spring when rack tube does straight-line motion in sheath, described vibration damping sheet 21 comprise can crimp for vibration damping sheet 21 being fixedly connected on to the bound layer 211 in sheath, rubber layer 212, silica gel layer 213, described rubber layer 212 is 2:5～3:5 with the Thickness Ratio of silica gel layer 213, described bound layer 211 is built in described sheath, the madial wall of described sheath is provided with the mounting groove 121 of installing for bound layer 211, described mounting groove 121 is provided with circular groove 122, described bound layer 211 is provided with the annular bar 214 with circular groove 122 heavy keying fit, described silica gel layer 213 is provided with some slipmat 217 and some tread plates 218, described slipmat 217 and tread plate 218 are crisscross arranged in silica gel layer 213, the thickness of described vibration damping sheet 21 is 20～30mm, the thickness of described bound layer 211 is 8～12mm, described rubber layer 212 is 1:2 with the Thickness Ratio of silica gel layer 213, described bound layer 211 is built in the degree of depth in mounting groove 121 and the Thickness Ratio of bound layer 211 is 4:5, the width of described circular groove 122 is 1.5～2mm, can effectively reduce the application force that rack tube produces, Practical Performance is good, in the time that the thickness of vibration damping sheet 21 is less than 20mm, vibration damping sheet 21 damage easy to wear, improve the work capacity of changing, in the time that the thickness of vibration damping sheet 21 is greater than 30mm, be unfavorable for installing, Practical Performance is poor, in the time that the width of circular groove is less than 1.5mm, it is unreliable that bound layer 211 connects, processing is inconvenient, in the time that the width of circular groove is greater than 2.5mm, bound layer 211 easily comes off, Practical Performance is poor, can not well protect the tooth on rack tube, described bound layer 211 is provided with groove 215 for middle part, the madial wall of described groove 215 is provided with card article 216, in described mounting groove 121, be provided with the connecting portion 123 matching with groove 215, described connecting portion 123 is provided with the draw-in groove 124 suitable with card article 216, by card article and coordinating of draw-in groove bound layer 211 being fixedly connected on connecting portion, make bound layer 211 not be subject to the shock of rack tube and be moved, connect reliable, better protect the tooth on rack tube not to be damaged, improve Practical Performance, long service life.
After when master controller 20 is moveed backward by ultrasonic transmitter-receiver 18 inductions, whether there is obstacle, know the distance of obstacle by the hypracoustic flight time, and provide auditory tone cues and telltale 17 by loudspeaker 15 and carry out picture and text numeral and show, if being less than distance and the contact switch 14 of setting, the distance of obstacle is operated in reversing guard mode, master controller 20 sends instruction and is energized to motor 2 to the electromagnetic valve 1 of 16 li of servomechanisms, motor pinion 3 on motor 2 Starting motor band moving axis, motor pinion 3 drives the big gear wheel 4 on parallel position with it, miniature gears 5 in big gear wheel 4 drives parallel with it rack tube 6 to do straight-line motion to the rear end of sheath.Bracing wire is overlapped 11 two ends and is all maintained static, and rack tube 6 drives the steel wire bracing wire 8 that is enclosed within bracing wire and overlaps 11 the insides, and the brake pedal arm of leaving behind is checked car, and the second yielding rubber cover 9 alleviates and protects the impact of rack tube to sheath 12 interfix plate washers after rack tube 6 retractions; In the time that chaufeur will be removed brake, press contact switch 14, contact switch 14 sends signal to master controller 20, master controller 20 quits work by motor 2 to solenoid valve shuts electric current to signal, bracing wire resets under the automatically reset elastic force of brake pedal arm, the first yielding rubber cover 7 utilizes the plate washers in the middle of sheath 12 to alleviate rack tube 6 impulse force bringing that resets, in order to avoid being subject to impulse force, damages rack tube 6, effectively reduce the stamping press of rack tube 6 by vibration damping sheet 21, actv. has prevented the damage of tooth on tooth bar.
Contact with rack tube by the vibration damping sheet being provided with in sheath, can effectively reduce and when rack tube does straight-line motion in sheath, produce damping spring, the silica gel layer that vibration damping sheet is provided with has reduced the impact of rack tube, actv. prevents that tooth on rack tube from damaging because of impact, guarantee the engage location of rack tube with miniature gears, improve braking effect, safety performance is good, be provided with bound layer fixed installation by vibration damping sheet, actv. has prevented that rack tube is in the time bumping with vibration damping sheet, the connection that guarantees vibration damping sheet is reliable, easy for installation, is convenient to change.
Claims (3)
1. an automatic brake device for automobile back running, comprise master controller (20), the contact switch (14) being connected with master controller (20) respectively, loudspeaker (15), servomechanism (16), telltale (17) and ultrasonic transmitter-receiver (18), described ultrasonic transmitter-receiver (18) is electrically connected with loudspeaker (15) and telltale (17) respectively, described servomechanism (16) is connected with brake assembly, described servomechanism (16) comprises sheath (12), be fixedly connected on the electromagnetic valve (1) in sheath (12), be fixedly connected on the rack-and-gear cover locating plate (13) in sheath (12) by screw, be fixedly connected on the motor (2) of rack-and-gear cover locating plate (13) below, the aperture that is fixedly connected on the motor pinion (3) on motor (2) and overlap on locating plate (13) by rack-and-gear is fixed, be fixedly connected on the big gear wheel (4) on rack-and-gear cover locating plate (13), be fixedly connected on the miniature gears (5) in big gear wheel (4) by axle, be arranged on the rack tube (6) on rack-and-gear cover locating plate (13), described motor pinion (3) is parallel with big gear wheel (4) and miniature gears (5) is parallel with rack tube (6), the front end of described rack tube (6) is fixed by the circular hole in sheath (12), location is engaged with miniature gears (5) in described rack tube (6) rear end, described rack tube (6) front end both sides are fixedly connected with respectively the first yielding rubber cover (7) and the second yielding rubber cover (9), on described rack tube (6), studding with one is fixedly connected with an outside cover with brake assembly and has the steel wire bracing wire (8) of bracing wire cover (11), the front end of sheath (12) is provided with bracing wire cover fixed plate (10) and fixes by upper lower jacket, being positioned at foremost sheath (12) top and fixing by upper lower jacket of described bracing wire cover (11), the middle part of described sheath (12) is provided with the stroke positioning baffle for locating rack tube, it is characterized in that: on the bottom madial wall of described sheath (12), be fixedly connected with one and can reduce the vibration damping sheet (21) that produces damping spring when rack tube does straight-line motion in sheath, described vibration damping sheet (21) comprise can crimp for vibration damping sheet being fixedly connected on to the bound layer (211) in sheath, rubber layer (212), silica gel layer (213), described rubber layer (212) is 2:5～3:5 with the Thickness Ratio of silica gel layer (213), described bound layer (211) is built in described sheath (12), the madial wall of described sheath (12) is provided with the mounting groove (121) of installing for bound layer (211), described mounting groove (121) is provided with circular groove (122), described bound layer (211) is provided with the annular bar (214) with circular groove heavy keying fit, described silica gel layer (213) is provided with some slipmat (217) and some tread plates (218), described slipmat (217) and tread plate (218) are crisscross arranged in silica gel layer.
2. a kind of automatic brake device for automobile back running according to claim 1, it is characterized in that: the thickness of described vibration damping sheet (21) is 20～30mm, the thickness of described bound layer (211) is 8～12mm, described rubber layer (212) is 1:2 with the Thickness Ratio of silica gel layer (213), described bound layer (211) is built in the interior degree of depth of mounting groove (121) and the Thickness Ratio of bound layer (211) is 4:5, and the width of described circular groove (122) is 1.5～2mm.
3. a kind of automatic brake device for automobile back running according to claim 1 and 2, it is characterized in that: described bound layer (211) is provided with groove (215) for middle part, the madial wall of described groove (215) is provided with card article (216), in described mounting groove (121), be provided with the connecting portion (123) matching with groove (215), described connecting portion (123) is provided with the draw-in groove (124) suitable with card article (216).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420054501.3U CN203666627U (en) | 2014-01-28 | 2014-01-28 | Automatic braking device for automobile reversing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420054501.3U CN203666627U (en) | 2014-01-28 | 2014-01-28 | Automatic braking device for automobile reversing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203666627U true CN203666627U (en) | 2014-06-25 |
Family
ID=50962948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420054501.3U Expired - Fee Related CN203666627U (en) | 2014-01-28 | 2014-01-28 | Automatic braking device for automobile reversing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203666627U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104554211A (en) * | 2014-12-26 | 2015-04-29 | 肖春林 | Electric automobile back-and-forth automatic brake device |
| CN117705240A (en) * | 2024-02-06 | 2024-03-15 | 青岛鼎信通讯科技有限公司 | Ultrasonic water meter workpiece detection system capable of achieving high-precision calibration |
-
2014
- 2014-01-28 CN CN201420054501.3U patent/CN203666627U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104554211A (en) * | 2014-12-26 | 2015-04-29 | 肖春林 | Electric automobile back-and-forth automatic brake device |
| CN104554211B (en) * | 2014-12-26 | 2017-03-15 | 肖春林 | Dead-man's device before and after electric automobile |
| CN117705240A (en) * | 2024-02-06 | 2024-03-15 | 青岛鼎信通讯科技有限公司 | Ultrasonic water meter workpiece detection system capable of achieving high-precision calibration |
| CN117705240B (en) * | 2024-02-06 | 2024-04-26 | 青岛鼎信通讯科技有限公司 | Ultrasonic water meter workpiece detection system capable of achieving high-precision calibration |
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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: 20140625 Termination date: 20220128 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |