Technology contents
The purpose of this utility model just provides a kind of fast fixture of radar for backing car sensor simple in structure, easy for installation.
For achieving the above object, the technical solution adopted in the utility model is: the fast fixture of radar for backing car sensor, it is characterized in that: the probe of sensor is arranged on a front end to be had in the housing of back-up ring, the outer wall upper edge circumference of housing is evenly arranged 3~6 shell fragments, shell fragment is whole for bending or the curved arc shape, its tail end and housing are fixed, suspend shape and extend to housing and the gap location of bumper junction of its front end.
As shown from the above technical solution, shell fragment is whole for bending or the curved arc shape, its tail end and housing are fixed, its front end shape that suspends, has better elastic with regard to the front end that has guaranteed shell fragment like this, because radar for backing car sensor and bumper have the fit-up gap between the two when installing, when the front end of shell fragment extends in the gap of housing and bumper junction, utilize the effect of its elastic tension, housing is stabilized reliably to be fixed, this moment, loosening phenomenon can not take place in housing in the mounting hole of bumper, thereby realized fixation.
Embodiment
As shown in Figure 1, 2, the probe 10 of sensor is arranged on a front end to be had in the housing 20 of back-up ring 21, the outer wall upper edge circumference of housing 20 is evenly arranged 3~6 shell fragments 30, usually being provided with 4 can meet the demands, in circumference range, can play 20 radial and axial the moving of restriction housing, shell fragment 30 is whole for bending or the curved arc shape, its tail end and housing 20 are fixing, its front end shape that suspends, and close to housing 20 surfaces, guarantee that like this it can extend to the gap location of housing 20 and bumper 40 junctions.Under the state of nature, the size at the bending of shell fragment 30 or curved arc position is greater than the aperture of mounting hole on the bumper 40, with the elastic force of guaranteeing to provide enough.
Shown in Fig. 1,2,3,4, the leading portion of described shell fragment 30 is a bending, its kink is away from the outer wall of housing 20, shell fragment 30 front ends extend in the gap of housing 20 and bumper 40 junctions, shell fragment 30 front ends are owing to be subjected to the effect of contraction of mounting hole on the bumper 40 like this, shell fragment 30 is bent, and under its elastic force effect, the back-up ring 21 of housing 20 and shell fragment 30 cooperatively interact bumper 40 stable fixing.
As Fig. 1,2, shown in 3, described shell fragment 30 is provided with four, the width of its rear 31 is greater than the width of its leading portion, the outer wall upper edge circumference of housing 20 evenly is provided with four grooves 22, the width of the rear width of groove 22 and the rear 31 of described shell fragment 30 coincide, this is being connected and fixed for the ease of enforcement and housing 20, the width of the leading portion width of groove 22 and the leading portion 31 of described shell fragment 30 coincide, this is a process structure, because when mounted, shell fragment 30 will pass from the mounting hole of bumper 40, because be subjected to the effect of contraction of mounting hole on the bumper 40, the constraint that its bending part is subjected to mounting hole is extruded, so shell fragment 30 has open and flat distortion, the sheet body of shell fragment 30 is absorbed in some in the groove of leading portion of groove 22 like this, makes things convenient for shell fragment 30 smoothly by bumpers 40.
In conjunction with Fig. 3, the cross section of described groove 22 rears is T type or dovetail groove, can guarantee the location of shell fragment 30 like this, promptly restriction embedding shell fragment 30 wherein moves radially, the afterbody of described housing 20 is provided with fixedly end cap 50, fixedly there is screw to be connected and fixed on the rear end face of end cap 50 and housing 20, fixedly there are four battens 51 that have of upright setting in the same way in the edge of the capping of end cap 50, four battens 51 are inlayed with groove 22 rears and are cooperated, promptly four battens (51) are positioned at groove (22) and abut against the tail end tail of shell fragment 30, at first the rear 31 of shell fragment 30 is mounted in the groove 22 during installation, with screw fixedly end cap 50 be installed to the afterbody of housing 20, at this moment, batten 51 also is embedded in the groove 22, and the front end of batten 51 abuts to the position, termination of the rear 31 of shell fragment 30, has limited moving axially of shell fragment 30 thus.
The utlity model has outstanding advantage and effect simple in structure, quick for installation, and when using owing to have the fixedly support effect of elastic force all the time, make the fixing reliable of radar for backing car sensor.