KR20170112762A - Radar alignment adjusting apparatus for vehicle - Google Patents

Abstract

The present invention provides a vehicular radar shaft correcting device capable of correcting a mounting direction of a radar to a precise level, improving assembling performance by installation of a radar, and reducing cost. According to the present invention, there is provided an apparatus for correcting a radar axis of a vehicle, comprising: a ball socket fixed at three spaced apart points of a bracket; A ball head constituting a ball joint is formed at one end by being elastically fitted in the ball socket at one end and a working groove is formed at the other end for engaging and rotating the tool so that a selective rotation operation by the tool is performed And a plurality of screw pins provided to allow the radar housing to rotate in the up-and-down direction, in the left-right direction, or in the rotational direction around the diagonal line.

Description

Technical Field [0001] The present invention relates to a radar alignment adjusting apparatus for vehicle,

The present invention relates to a radar axis correcting apparatus for a vehicle, and more particularly, to a radar axis correcting apparatus for a vehicle, which is capable of correcting a radar axis to a precise level and improving assembling performance upon installation of a radar, Correction device.

In general, automotive safety systems can be classified as collision avoidance systems or accident prevention systems.

Of these, collision-avoidance safety systems can minimize the impact of accidents, but effective accident-prevention systems allow drivers to prevent accidents altogether.

An effective accident prevention system used to prevent a car accident in a vehicle is a vehicle radar.

Such a vehicle radar is installed in the rear space inside the front bumper of the vehicle, and detects the distance to the front vehicle, and sends a signal when the front vehicle approaches within a predetermined distance.

In addition, when an object approaches within a certain distance to the front of the bumper during parking, a signal is sent to the driver so that the driver can take care of the collision.

Such a vehicle radar should be assembled at a precise position for precise forward looking, but due to the tolerances generated during the manufacture and assembly of the radar, the radar axis is adjusted by correcting the direction of the radar axis which is distorted by the error.

1 shows a mounting structure of a conventional vehicular radar shaft correcting device.

As shown in FIG. 1, a conventional vehicle radar is installed in a rear space inside a front bumper of a vehicle by using a bracket 10, and a radar housing 20 equipped with a radar is provided on the front side of the bracket 10, Point fixing method through the two fixing pins 30 and one screw pin 50.

That is, two fixing pins 30 are coupled to the bracket 10 in two parts on both sides of the top of the radar housing 20 in a ball joint manner, and one screw pin (40) are coupled in a ball joint manner and fixed on the bracket (10).

At this time, the two fixing pins 30 and one screw pin 40 fixed to the radar housing 20 are inserted into the radar housing 20 through the plastic ball socket 50, The spherical head formed at the end of the fixing pin 30 and the screw pin 40 is inserted into the ball socket 50 and fastened to the three supporting portions 22 of the ball screw 20 by a snap- Ball joint is implemented.

When the screw shaft 40 is rotated, the nut 60 fixed to the rear surface of the bracket 10 and the screw pin 40 are fixed to the outer surface of the screw pin 40, Since the spherical head portion of the fixing pin 30 and the screw pin 40 fixed to the ball socket 50 constitute a ball joint, Since the radar housing 20 is rotatable about a line connecting the center of the head of the radar device 30, the angle of the radar can be adjusted in the vertical direction.

The conventional vehicle radar having the above installation structure has a fixing pin 30 made of a metal which is coupled to the radar housing 20 in a ball joint manner and a fixing pin 30 fixed on the bracket 10 at the opposite end of the screw pin 40 The end of the cylindrical fixing pin 30 should be fixed on the bracket 10 having a thin thickness.

Particularly, a metal nut 60 fixed to the rear surface of the bracket 10 is fixed on the bracket 10 by means of argon welding so as to smoothly fix and rotate the screw pin 40, And the end of the screw pin 40 should be fixed in a forced fit manner.

However, the conventional radar axis correcting device using the fixing pin 30 and the screw pin 40 has a problem that when the fixing pin 30 and the screw pin 40 are fastened and fixed to the bracket 10 having a small thickness, An additional process such as fixing the nut 60 to the rear surface of the bracket 10 through argon welding or making a hole in the bracket 10 through cutting is required for the operation, There is a problem in that the operation procedure is complicated and the workability is lowered, and the time and cost are also increased due to the additional process.

Patent Publication No. 2014-0109716 (2014.09.16)

SUMMARY OF THE INVENTION Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and an object of the present invention is to provide a vehicle radar axis correction apparatus capable of correcting a position of a radar axis to a precise level when a correction situation of a radar axis occurs To provide.

Another object of the present invention is to provide a radar axis correcting device for a vehicle which can quickly and easily perform installation work of a radar axis correcting device and can reduce the cost of manufacturing and installing the radar axis correcting device .

According to an aspect of the present invention, there is provided an apparatus for correcting a radar axis of a vehicle, comprising: a ball socket fixed at three spaced apart points of a bracket; A ball head constituting a ball joint is formed at one end by being elastically fitted in the ball socket at one end and a working groove is formed at the other end for engaging and rotating the tool so that a selective rotation operation by the tool is performed And a plurality of screw pins provided to allow the radar housing to rotate in the up-and-down direction, in the left-right direction, or in the rotational direction around the diagonal line.

Here, the opening of the ball socket may be formed at one side of the side surface of the ball socket so as to be elastically deformable in the circumferential direction and having a predetermined gap width and cut in the longitudinal direction.

The ball socket has a shape corresponding to that of the ball head and includes a ball joint portion which is resiliently fitted to the ball head of the screw pin and a fixing portion extending from one side of the ball joint portion and fixed through the bracket .

At this time, the fixing portion can form a structure that is opened in the axial direction so that the tool can be introduced.

Such a ball socket can be fixed on the bracket through the shape deformation of the fixed portion passing through the bracket.

In addition, the ball socket can be fixed to the bracket by welding through the fixing part penetrating the bracket.

Further, the ball head of the screw pin may be provided with another operating groove capable of engaging and rotating the tool.

On the other hand, a plurality of support portions for screwing and supporting the respective screw pins can be formed on the outside of the radar housing.

Further, a plug may be further provided, which is inserted through each of the support portions and screwed inward.

Here, the plug may include a support end supported on one surface of the support, and a coupling part formed on one side of the support end so as to be elastically deformable in the radial direction and elastically fastened on the support, A threaded portion to which the pin can be fastened can be formed.

At this time, a part of the fastening portion passing through the support portion may be formed to have a polygonal outer surface.

According to the configuration of the present invention, when the correction operation of the radar shaft is required, the three screw pins supported by the ball joint fixed to the bracket can be selectively rotated so that the radar housing is vertically or horizontally moved, It is possible to correct the position of the radar axis to a precise level since the adjustment operation of the radar axis can be performed while simultaneously rotating in the left and right directions.

The spherical ball head of the screw pin can be resiliently coupled with a ball socket formed in a diametrically expandable and retractable manner from the front to the rear of the bracket and then deformed rearwardly, So that the ball socket can be fast and easily fixed to the bracket.

As a result, a separate metal nut is fixed to the rear of the bracket by argon welding to fix the fixing pin and the screw pin to the bracket as in the conventional case, and it is troublesome and difficult work to fix the hole of the bracket at a precise level It is possible to simplify the assembling process of the radar axis correcting device, and it is possible to shorten the time and cost of assembling.

In addition, the opposing ball socket portion in which the tool pin is fastened is formed at both ends of the screw pin, and the opposite ball socket portion is formed in an open structure allowing entry of the tool so that the tool is inserted through the open portion of the ball socket The correction operation can be performed in both the front and rear directions of the radar. Therefore, when the radar is corrected in a state in which the radar is mounted on the structure in the vehicle, There is an advantage that the correction operation can be selectively performed in the direction of the arrow.

In addition, since a ball socket for implementing a ball joint can be manufactured through a simple press forming process of a metal plate, it is very easy to manufacture a ball socket, thereby improving the productivity of the product and reducing the production cost have.

Further, since the ball socket structure can be manufactured in a simple form in which the spherical end portion of the screw pin can be easily fastened, there is an advantage that the fixing operation of the ball socket can be performed quickly and easily.

In addition, it is possible to eliminate complicated and complicated processes such as precision machining that are required to fix the ends of the fixing pin and the screw pin on the bracket as in the conventional case, and installation work of the radar axis compensating device is simple There is an advantage that can be done.

In addition, since the mechanical device structure required for radar axis correction is simply implemented, installation work of the radar axis correcting device can be performed quickly and easily, and the time and cost required for manufacturing and installing the radar correcting device can be reduced There are advantages to be able to.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing a conventional vehicular radar axis correcting device. FIG.
2 is a perspective view showing a radar axis correcting apparatus for a vehicle according to the present invention;
Figure 3 is an exploded perspective view of Figure 2;
4 is a rear perspective view of FIG. 2;
5 is a detailed view showing the ball socket structure according to the present invention in detail;
6 is a detailed view showing the screw pin structure according to the present invention in detail;
7 is a detailed view showing the plug structure according to the present invention in detail;
8 is a rear perspective view of Fig. 7; Fig.
FIG. 9 is an operating state diagram illustrating a manner in which a vertical direction correction of a radar axis is performed through adjustment of a first screw pin; FIG.
10 is an operating state diagram illustrating a lateral correction of a radar axis through adjustment of a second screw pin;
FIG. 11 is an operating state diagram showing a state in which correction is simultaneously made in the up, down, left, and right directions of the radar shaft through the adjustment of the third screw pin.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a preferred embodiment of a radar axis correction apparatus for a vehicle according to the present invention will be described in detail with reference to the accompanying drawings.

FIG. 2 is a perspective view showing a radar axis correcting apparatus for a vehicle according to the present invention, and FIG. 3 is an exploded perspective view of FIG. 2. FIG. 4 is a rear perspective view of Fig. 2. Fig.

2 to 4, the radar axis correcting apparatus for a vehicle according to the present invention is characterized in that a radar housing 120 equipped with a radar is supported at three points on the front side of the bracket 110 via three screw pins 141, 142, .

The radar housing 120 is rotated in the vertical direction, the lateral direction, or the diagonal line of the radar housing 120 by the selective rotation operation of the three screw pins 141, 142, 143, .

Three ball sockets 130 fixed to different parts of the bracket 110 and a ball socket 130 are supported on the ball socket 130 in a ball joint manner so as to be fixed to the radar housing 120 And three screw pins 141, 142, and 143 that are screwed together.

The bracket 110 is formed with a fixing hole 112 to which a ball socket 130 for fixing the ball head 152 of the screw pins 141, 142 and 143 is fixed.

The ball socket 130 is fixed to a portion of the fixing hole 112 on the front side of the bracket 110, respectively.

A radar housing 120 having a radar mounted thereon is coupled to three screw pins 141, 142 and 143 supported by the ball socket 130 and is supported on the bracket 110 at three points It is fixed by the support ball joint method.

The bracket 110 may be installed in a frame located in a rear space inside the front bumper of the vehicle, or on the radiator grill portion.

The screw pins 141, 142 and 143 are screwed to the support portion 122 formed at the outer periphery of the radar housing 120 in a state where one end thereof is coupled to the ball socket 130.

At this time, a plug 160 for holding the screw pins 141, 142 and 143 is coupled to the support portion 122, and the screw pins 141, 142 and 143 are screwed into the inner portion of the plug 160 .

5 is a detailed view showing the structure of the ball socket 130 fixed to the bracket 110 in detail.

As shown in FIG. 5, the ball socket 130 is formed by pressing a thin metal plate so that the ball head 152 of the screw pins 141, 142, 143 can be accommodated therein.

The gap between the both ends of the ball socket 130 is spaced from each other to form a gap of a predetermined width.

That is, the ball socket 130 has an opening 131 formed at one side of the side portion of the ball socket 130 and having a predetermined gap width and being cut in the longitudinal direction of the ball socket 130.

The ball socket 130 can be elastically deformed in the circumferential direction due to the formation of the opening 131.

The ball socket 130 includes a ball joint portion 133 to which the ball head 152 of the screw pins 141, 142 and 143 is resiliently coupled and a ball joint portion 133 which extends from the ball joint portion 133 and is fixed to the fixing hole 112 of the bracket 110 And a fixing portion 135 which is press-fitted and fixed.

The ball joint portion 133 is formed in a spherical shape corresponding to the shape of the ball head 152 of the screw pins 141, 142 and 143. The ball joint 152 is formed along the circumferential direction so that the ball head 152 can be elastically expanded and contracted in the radial direction And a plurality of cutouts 137 are formed.

The tip of the ball joint portion 133 is connected to the ball head 152 so that the ball head 152 can easily enter into the ball joint portion 133 when the ball head 152 of the screw pins 141, The curved portion 134 is formed to be widened outwardly.

The fixing portion 135 is a portion to be fitted in the fixing hole 112 of the bracket 110 and the ball socket 130 is fixed by pressing the fixing portion 135 into the fixing hole 112 of the bracket 110 .

At this time, after the fixing portion 135 is fully press-fitted into the fixing hole 112, the end of the fixing portion 135 and the portion of the bracket 110 around the fixing hole 112 on the rear side of the bracket 110 It can be fixed with a solid structure by spot welding.

Particularly, in the ball socket 130, if the longitudinal direction width of the fixing portion 135 is greater than the thickness of the fixing hole 112, in a state where the fixing portion 135 is completely pressed into the fixing hole 112 A structure in which the end of the fixing portion 135 protrudes toward the rear of the bracket 110 can be formed.

When the fixing portion 135 is completely press-fitted into the fixing hole 112 of the bracket 110, the end portion of the fixing portion 135 protruding out of the fixing hole 112 from the rear side of the bracket 110 is bent, The ball socket 130 can be easily secured to the rear surface of the ball socket 130.

The fixed portion 135 of the ball socket 130 is formed in an axially open structure so that the tool enters the space through the open space of the fixing portion 135 on the rear side of the bracket 110, (141, 142, 143).

The screw pins 141, 142 and 143 are coupled to the support portion 122 formed on the outer periphery of the radar housing 120 through screw connection in a state of being coupled with the ball socket 130.

6 shows the structure of the screw pins 141, 142 and 143 fastened to the ball socket 130 in detail.

6, screw threads 141, 142, and 143 are threaded on one side of the outer circumferential surface, and a ball joint portion 133 of the ball socket 130 fixed to the bracket 110 at one end is elastically press- And a working groove 153 is formed at the other end of the ball head.

The spherical ball head 152 formed at one end of each of the screw pins 141, 142 and 143 is combined with the ball joint portion 133 of the ball socket 130 to form a ball joint rotatable in all directions.

The operating grooves 153 formed at the other ends of the screw pins 141, 142 and 143 are formed to have the shape of a hexagonal wrench bolt as shown in FIG. 6, and are rotated by a tool having a shape that can be engaged with the bolts. .

At this time, the shape of the operating groove 153 of the screw pins 141, 142, 143 may be variously shaped so as to smoothly perform the turning operation of the screw pins 141, 142, 143 by engaging the tool in addition to the shape of the hexagonal wrench bolt.

The ball head 152 of the screw pins 141, 142 and 143 is also provided with the tool through the open space of the fixing portion 135 of the ball socket 130 on the rear side of the bracket 110, And another operating groove 154 is formed so that the tool can be turned and rotated.

At this time, the actuating groove 154 formed in the ball head 152 may have the same shape as the actuating groove 153 formed at the opposite portion, or may be formed to have the same shape as the ' Or may be formed in a groove shape having different shapes.

As the operating grooves 153 and 154 are formed in the ball head 152 and the opposite ends of the screw pins 141 and 142 and 143 in the radial direction of the radar housing 120 and the rear side of the bracket 110 It is possible to easily perform the correction operation of the radar axes by operating the screw pins 141, 142 and 143 in both directions.

7 is a detailed view showing a detailed structure of the plug 160 coupled to the support portion 122 of the radar housing 120, and FIG. 8 is a rear perspective view of FIG.

Referring to FIGS. 7 and 8, the plug 160 is an injection-molded plastic material and is engaged with the support portion 122 on the outer side of the radar housing 120 to hold the screw pins 141, 142 and 143.

The plug 160 has a support end portion 162 supported on the rear surface of the support portion 122 of the radar housing 120 and a fastening portion 162 that is elastically fastened to a portion of the square through hole 124 formed in the support portion 122. [ (163).

The support end portion 162 has a rectangular outer circumferential surface larger than the through hole 124 of the support portion 122 and a screw thread 166 is formed on the inner side to screw the screw pins 141, 142,

The fastening portion 163 is formed in a structure capable of elastic expansion and contraction in the radial direction so as to be able to be elastically fastened to the portion of the through hole 124.

That is, the fastening portion 163 is formed with a plurality of cut-out portions 137 cut in a V-shape along the outer circumference to elastically deform in the radial direction.

At this time, an inclined surface 165 inclined in a direction to be fastened to the through hole 124 is formed on the outer surface of the front end of the fastening portion 163, and the fastening portion 163 is formed in the through hole 124 through the inclined surface 165, (124) and can be elastically fastened.

The rear end of the coupling portion 163 adjacent to the support end portion 162 is formed with a stepped portion 164 that is stepped inwardly so that when the coupling portion 163 is fastened to the through hole 124, The tip end portion and the support end portion 162 of the coupling portion 163 are supported on both sides of the support portion 122 in the state in which the step portion 164 is engaged with the through hole 124, 122). ≪ / RTI >

Since the outer surface of the through hole 124 of the support portion 122 and the outer surface of the coupling portion 163 coupled to the support portion 122 form a polygonal outer surface in the shape of a rectangle in the embodiment, It is possible to prevent rotation about the shaft in the state of being fastened to the shaft.

The assembling of the radar axis correcting apparatus of the present invention having the above-described configuration is performed by first mounting the fixing portion 135 of the ball socket 130 in the fixing hole 112 at the front side of the bracket 110 .

At this time, after the fixing portion 135 is completely press-fitted into the fixing hole 112, the end of the fixing portion 135 and the portion of the bracket 110 around the fixing hole 112, Or the end portion of the fixing portion 135 protruding rearward of the fixing hole 112 is bent and fixed to the rear surface of the bracket 110 to fix it.

After the fixing of the ball socket 130 to the fixing hole 112 of the bracket 110 is completed, a ball head (not shown) of one of the screw pins 141, 142, 143 is inserted into the ball joint portion 133 of the ball socket 130 152 can be quickly and easily assembled by screwing the other side of the threaded pins 141, 142, 143 to the plug 160 part of the radial housing 120.

9 to 11 are views showing how the radar axis correction is performed for each direction using the radar axis correction apparatus of the present invention assembled in this manner.

9 shows a case where the tool is inserted into the operating groove 153 of the first screw pin 141 on the front side of the radar housing 120 to move the first screw pin 141 clockwise or counterclockwise The radar housing 120 can be rotated about the line C2 connecting the second screw pin 142 and the third screw pin 143 so that the upward and downward correction operation of the radar shaft can be performed Lt; / RTI >

10, when the second screw pin 142 is rotated in the clockwise or counterclockwise direction, the first screw pin 141 and the third screw pin 143 The radar housing 120 can be rotated about the line C1 connecting the left and right directions of the radar axis.

When the third screw pin 143 is rotated as shown in FIG. 11, the radar housing 120 can be rotated about the diagonal line C3 connecting the first screw pin 141 and the second screw pin 142 The radar axis can be simultaneously corrected in the up, down, left, and right directions.

As described above, the radar axis correction apparatus according to the present invention is configured to rotate the radar shaft in the vertical direction, the left-right direction, or the up-and-down direction simultaneously by selectively rotating three screw pins 141, 142, and 143 screwed to the radar housing 120 It is possible to correct the position of the radar shaft to a precise level.

When the ball socket 130 is inserted into the fixing hole 112 from the front of the bracket 110 during the fixing operation of the ball socket 130 and the ball socket 130 protruded toward the rear side of the fixing hole 112, The end of the fixing portion 135 may be deformed and fixed, or a portion in contact with each other may be fixed by welding, so that the fixing operation can be performed easily and quickly

Therefore, since the metal nut is fixed to the back of the bracket for the fixation of the fixing pin and the screw pin as in the conventional case, it is not accompanied with troublesome and troublesome work such as machining the hole portion of the bracket at a precision level The assembling process of the apparatus can be simplified, and the time and cost for assembling can be shortened.

In addition, an operating groove 154 is formed in the ball head 152 of the screw pins 141, 142, and 143 to be engaged with the ball socket 130, and the ball socket 130, to which the screw pins 141, 142, By forming the portion of the fixing portion 135 with an openable structure allowing entry of the tool, the tool can be introduced into the operating groove 154 of the ball head 152 through the portion of the open fixing portion 135 if necessary, The correction operation can be performed in both the front and rear directions of the radar. Therefore, when the radar is corrected in a state in which the radar is mounted on the in-vehicle structure, It is possible to selectively perform the correction operation.

Since the ball socket 130 constituting the ball joint together with the ball head 152 of the screw pins 141, 142 and 143 can be manufactured through a simple press forming process of the metal plate, the ball socket 130 can be easily manufactured , And the manufacturing cost can be reduced.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be construed as limited to the embodiments set forth herein. Will be possible.

110: Bracket 112: Fixing hole
120: Radar housing 122: Support
130: ball socket 131:
133: ball joint portion 134: bend portion
135: Fixing portion 137:
141, 142, 143: 1st,
151, 166: threads 152: ball head
153, 154: Operation groove 160: Plug
162: Support end 163:
164: stepped portion 165: inclined surface

Claims (11)

A ball socket fixed at three spaced apart points of the bracket;
A ball head which is screwed to the radar housing and resiliently fitted in the ball socket at one end to form a ball joint is formed and the other end is provided with an operating groove capable of rotating by engaging the tool, A plurality of screw pins provided to enable the radar housing to rotate in the up-and-down direction, the left-right direction rotation, or the rotational motion around the diagonal line;
Wherein the radar axis correcting device comprises:
2. The radar device according to claim 1, wherein an open portion of the ball socket is formed on one side of the side surface of the ball socket, the opening portion having a predetermined gap width and being cut in the longitudinal direction so as to be elastically deformable in the circumferential direction.
3. The ball socket according to claim 2,
A ball joint part having a shape corresponding to the ball head and having a ball head of the screw pin elastically fitted to constitute a ball joint;
A fixing portion extending from one side of the ball joint portion and fixed through the bracket;
And a radar-axis correction unit for correcting the radar-axis correction value.
4. The radar device according to claim 3, wherein the fixing portion is axially opened to allow entry of the tool.
5. The radar device according to claim 4, wherein the ball socket is fixed on the bracket by deforming a shape of the fixing portion passing through the bracket.
5. The radar device according to claim 4, wherein the ball socket is fixed to the bracket by welding through the bracket.
2. The radar device according to claim 1, wherein the ball head of the screw pin is formed with another operating groove capable of turning the tool.
2. The radar device according to claim 1, wherein a plurality of support portions for screwing and supporting the respective screw pins are formed on an outer periphery of the radar housing.
9. The radar device according to claim 8, further comprising a plug inserted through each of the support portions and screwed in the screw pin to the inside.
10. The plug according to claim 9,
A support end supported on one surface of the support;
And a fastening portion formed on one side of the support end portion so as to be elastically deformable in a radial direction and elastically fastened on the support portion,
Wherein the support end portion is formed with a threaded portion to which the screw pin can be fastened.
2. The radar device according to claim 1, wherein a part of the coupling part passing through the support part has a polygonal outer surface.

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