Vehicle-mounted ultrasonic radar mounting device

Abstract

The embodiment of the utility model provides a vehicle-mounted ultrasonic radar mounting device which is used for fixing an ultrasonic radar in a mounting hole preset in a motor vehicle body and comprises a sleeving cylinder and a fixing ring, the sleeving cylinder and the mounting hole are relatively fixed in the circumferential direction, and the outer edge end of the sleeving cylinder protrudes to form an outer ring edge; the outer ring edge and the fixing ring abut against the outer peripheries of orifices in the two opposite ends of the mounting hole correspondingly, elastic arms are symmetrically arranged at the inner end of the sleeving cylinder, each elastic arm is further provided with a first buckle hole and a second buckle hole, and the inner ring face of the fixing ring protrudes to form a first buckle protruding block. The fixing ring is arranged on the sleeving cylinder in a sleeving mode from the tail end of the elastic arm and is clamped into the first buckle hole through the first buckle protruding block to be positioned. A cavity for correspondingly containing the detection end of the ultrasonic radar is formed in the sleeving cylinder, and the elastic arm correspondingly and elastically clamps the ultrasonic radar and is correspondingly clamped and positioned through a second buckle hole and a second buckle protruding block preset on the outer wall of the ultrasonic radar. According to the embodiment, the ultrasonic radar can be stably installed.

Description

Technical Field

[0001] The embodiments of the present utility model relate to the technical field of on-vehicle ultrasonic radar installation, and in particular to an on-vehicle ultrasonic radar installation device. Background Art

[0002] An on-vehicle ultrasonic radar is usually assembled into a preset installation hole at a predetermined position on a vehicle body such as a front or rear bumper by means of a corresponding installation device. There is a conventional on-vehicle ultrasonic radar installation device mainly including: a socket cylinder with a front end inserted into the installation hole and a fixing ring socket-fixed on the front end of the socket cylinder. The socket cylinder is circumferentially fixed relative to the installation hole and has an outer ring edge protruding at the tail end. One end of the fixing ring is screwed to the socket cylinder and the outer ring edge and the fixing ring respectively abut against the outer peripheral edges of the opposite ends of the installation hole to axially position the socket cylinder, and the other end of the fixing ring is screwed to the ultrasonic radar.

[0003] However, during the driving of a vehicle, vibrations are constant. Threaded connection parts such as between the fixing ring and the socket cylinder and between the ultrasonic radar and the socket cylinder are easily loosened or even disengaged under the continuous vibration impact, and the installation stability is poor, resulting in the on-vehicle ultrasonic radar being difficult to maintain normal operation for a long time and requiring high-frequency regular inspection and tightening. Summary of the Utility Model

[0004] The technical problem to be solved by the embodiments of the present utility model is to provide an on-vehicle ultrasonic radar installation device that can achieve stable installation of the ultrasonic radar.

[0005] To solve the above technical problems, the embodiments of the present utility model provide the following technical solutions: An in-vehicle ultrasonic radar mounting device is used to fix an ultrasonic radar in a preset mounting hole on a motor vehicle body. The device includes a socket cylinder that penetrates into the mounting hole from the outer end hole of the mounting hole and a fixing ring that is sleeved and fixed on the inner end of the socket cylinder. The socket cylinder and the mounting hole are relatively fixed in the circumferential direction, and an outer ring edge is formed by the outer edge end protruding. The outer ring edge and the fixing ring respectively abut against the outer peripheral edges of the opposite ends of the mounting hole to axially position the socket cylinder. The inner end of the socket cylinder is symmetrically provided with elastic arms extending axially for a predetermined length. The elastic arms are also provided with a first snap hole and a second snap hole. The first snap hole is closer to the root of the elastic arm than the second snap hole. A first snap protrusion is formed by the inner ring surface of the fixing ring protruding. The fixing ring is sleeved on the socket cylinder from the end of the elastic arm and is positioned by the first snap protrusion being snapped into the first snap hole. A chamber corresponding to accommodating the detection end of the ultrasonic radar is formed inside the socket cylinder. The elastic arms also elastically clamp the ultrasonic radar correspondingly and are positioned by the second snap hole being correspondingly snapped with a second snap protrusion preset on the outer wall of the ultrasonic radar.

[0006] Further, one such elastic arm is symmetrically extended and formed on each of the opposite sides of the inner end of the socket cylinder. The first snap hole and the second snap hole are distributed along the axial direction of the socket cylinder on the elastic arm.

[0007] Further, a guiding inclined surface for guiding the elastic deformation of the elastic arm is provided on one side surface of the first snap protrusion facing the elastic arm.

[0008] Further, a limiting collar for sleeving on the outside of the detection end of the ultrasonic radar is also provided on the inner wall of the chamber near the inner end opening of the socket cylinder. The end of the limiting collar abuts against the side wall of the detection end to stop and limit the ultrasonic radar.

[0009] Further, a number of first abutting ribs for tightly abutting and positioning against the outer wall of the ultrasonic radar are evenly provided on the inner wall of the chamber.

[0010] Further, a number of limiting ribs for cooperating with first limiting grooves preset on the hole wall of the mounting hole are protruded on the outer side surface of the socket cylinder.

[0011] Further, a positioning bayonet for tightly clamping and positioning a positioning block preset on the outer wall of the ultrasonic radar and an avoidance notch for allowing the insertion end of the ultrasonic radar to protrude laterally are also provided on the inner wall of the chamber.

[0012] Further, an inner ring edge is formed by convexing on the outer side surface of one end of the fixing ring close to the outside of the vehicle body, and a plurality of pressing feet are formed by protruding on one side surface of the inner ring edge facing the outside of the vehicle body. The pressing feet are evenly distributed in the circumferential direction and are used for pressing against the outer peripheral edge of the inner end hole of the mounting hole.

[0013] Further, a second limiting groove is provided on the inner ring surface of the fixing ring, and at least one of the limiting ribs also axially extends a predetermined length along the socket cylinder so that the relative two ends are respectively inserted into the second limiting groove and the first limiting groove.

[0014] Further, a plurality of second abutting ribs for tightly abutting and positioning against the outer wall of the socket cylinder are evenly provided on the inner ring surface of the fixing ring.

[0015] After adopting the above technical solution, the embodiment of the present invention has at least the following beneficial effects: In the embodiment of the present invention, elastic arms are symmetrically arranged at the inner end of the socket cylinder. During specific assembly, the fixing ring squeezes and spreads the elastic arms so that the first buckle protrusions on the inner ring surface are snapped into the first buckle holes, realizing the connection between the fixing ring and the inner end of the socket cylinder and the positioning of the socket cylinder; and the detection end of the ultrasonic radar correspondingly squeezes and spreads the elastic arms and inserts into the cavity of the socket cylinder. At the same time, the elastic arms elastically clamp the ultrasonic radar, and the second buckle holes are correspondingly snapped and positioned with the second buckle protrusions preset on the outer wall of the ultrasonic radar, realizing the fixation of the socket cylinder and the ultrasonic radar. The structure has strong stability, is not easy to loosen, and the assembly is relatively simple. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a split structural schematic diagram of an alternative embodiment of the vehicle-mounted ultrasonic radar mounting device of the present invention.

[0017] Figure 2 is a structural schematic diagram of an alternative embodiment of the vehicle-mounted ultrasonic radar mounting device of the present invention when the ultrasonic radar is not assembled.

[0018] Figure 3 is a structural schematic diagram of an alternative embodiment of the vehicle-mounted ultrasonic radar mounting device of the present invention after the ultrasonic radar is assembled.

[0019] Figure 4 is a cross-sectional structural schematic diagram of an alternative embodiment of the vehicle-mounted ultrasonic radar mounting device of the present invention.

[0020] Figure 5 is a structural schematic diagram of the socket cylinder of an alternative embodiment of the vehicle-mounted ultrasonic radar mounting device of the present invention.

[0021] Figure 6 is a structural schematic diagram of the fixing ring of an alternative embodiment of the vehicle-mounted ultrasonic radar mounting device of the present invention.

[0022] Figure 7 This is a cross-sectional schematic view of an alternative embodiment of the in-vehicle ultrasonic radar mounting device of the present utility model. Detailed implementation manners

[0023] The present application will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the following illustrative embodiments and descriptions are only used to explain the present utility model and are not intended to limit the present utility model. Moreover, without conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.

[0024] As Figures 1-4 shown, an alternative embodiment of the present utility model provides an in-vehicle ultrasonic radar mounting device for fixing an ultrasonic radar 1 in a preset mounting hole 30 on a vehicle body 3 of a motor vehicle. The device includes a socket cylinder 5 passing through the outer end orifice of the mounting hole 30 and into the mounting hole 30, and a fixing ring 7 fixedly sleeved on the inner end of the socket cylinder 5. The socket cylinder 5 and the mounting hole 30 are relatively fixed in the circumferential direction, and an outer ring edge 50 is formed by the outer edge end protruding. The outer ring edge 50 and the fixing ring 7 respectively abut against the outer peripheral edges of the opposite ends orifices of the mounting hole 30 to axially position the socket cylinder 5. Elastic arms 52 extending axially by a predetermined length are symmetrically provided at the inner end of the socket cylinder 5. The elastic arms 52 are further provided with a first snap hole 521 and a second snap hole 523. The first snap hole 521 is closer to the root of the elastic arm 52 than the second snap hole 523. First snap protrusions 70 are respectively formed by the opposite sides of the inner ring surface of the fixing ring 7 protruding. The fixing ring 7 is sleeved on the socket cylinder 5 from the end of the elastic arm 7 and is positioned by the first snap protrusions 70 being snapped into the first snap holes 521. A chamber 5a corresponding to accommodating the detection end 10 of the ultrasonic radar 1 is formed inside the socket cylinder 5. The elastic arms 52 also elastically clamp the ultrasonic radar 1 correspondingly and are correspondingly snap-connected and positioned by the second snap holes 523 and second snap protrusions 12 preset on the outer wall of the ultrasonic radar 1.

[0025] In the embodiment of the present utility model, elastic arms 52 are symmetrically arranged at the inner end of the socket cylinder 5. During specific assembly, the fixing ring 7 squeezes and expands the elastic arms 52, so that the first snap protrusion 70 on the inner ring surface snaps into the first snap hole 521, realizing the connection between the fixing ring 7 and the inner end of the socket cylinder 5 and the positioning of the socket cylinder 5. The detection end 10 of the ultrasonic radar 1 correspondingly squeezes and expands the elastic arms 52 and inserts into the chamber 5a of the socket cylinder 5. At the same time, the elastic arms 52 elastically clamp the ultrasonic radar 1, and are correspondingly snap-connected and positioned by the second snap hole 523 and the second snap protrusion 12 preset on the outer wall of the ultrasonic radar 1, realizing the fixation of the socket cylinder 7 and the ultrasonic radar 1. The structure has strong stability, is not easy to loosen, and the assembly is relatively simple.

[0026] During specific implementation, the mounting hole 30 can be arranged at positions such as the front and rear bumpers of a motor vehicle where an in-vehicle ultrasonic radar needs to be installed.

[0027] In an alternative embodiment of the present utility model, as Figures 1-4 shown, on the opposite sides of the inner end of the socket cylinder 5, an elastic arm 52 is symmetrically extended and formed respectively. The first snap hole 521 and the second snap hole 523 are axially distributed on the elastic arm 52 along the socket cylinder 5. In this embodiment, elastic arms 52 are arranged on the opposite sides of the inner end of the socket cylinder 5, and the first snap hole 521 and the second snap hole 523 are axially distributed on the elastic arm 52 along the socket cylinder 5. During specific assembly, the fixing ring 7 can be first sleeved and fixed at the front end of the socket cylinder 5. After the fixing ring 7 is assembled in place first, then the assembled ultrasonic radar 1 is inserted into the socket cylinder 5, and the assembly can be more convenient.

[0028] In an alternative embodiment of the present utility model, as Figures 1-4 shown, on one side surface of the first snap protrusion 70 facing the elastic arm 52, a guiding inclined surface 701 for guiding the elastic deformation of the elastic arm 52 is provided. In this embodiment, by designing the guiding inclined surface 701, it is convenient for the first snap protrusion 70 to squeeze and push the elastic arm 52 to elastically deform the elastic arm 52, facilitating assembly. During specific implementation, it can be understood that a guiding inclined surface can also be provided on one side surface of the second snap protrusion 12 facing the elastic arm 52.

[0029] In an alternative embodiment of the present utility model, as Figures 4-5As shown, a limiting collar 54 for sleeving outside the detection end 10 of the ultrasonic radar 1 is further provided on the inner wall of the chamber 5a near the inner end opening of the socket cylinder 5. The end of the limiting collar 54 abuts against the side wall of the detection end 10 to block the ultrasonic radar 1. In this embodiment, by providing the limiting collar 54 at the inner end opening of the socket cylinder 5, the limiting collar 54 is sleeved on the detection end 10 of the ultrasonic radar 1, and at the same time, the end of the limiting collar 54 abuts against the side wall of the detection end 10, so as to limit the insertion length of the ultrasonic radar 1, ensure that the detection end 10 is flush with the outer side surface of the motor vehicle bumper 3 and just exposed after the ultrasonic radar 1 is inserted in place, without affecting the detection.

[0030] In an alternative embodiment of the present invention, as Figure 1 、 Figures 5-7 shown, a plurality of first abutting ribs 56 for tightly abutting and positioning against the outer wall of the ultrasonic radar 1 are evenly provided on the wall of the chamber 5a. In this embodiment, by providing the first abutting ribs 56 on the inner wall of the socket cylinder 5, which can tightly abut and position against the outer wall of the ultrasonic radar 1, the ultrasonic radar 1 can be stably inserted and positioned, avoiding position deviation in the radial direction.

[0031] In an alternative embodiment of the present invention, as Figure 1 、 Figures 5-7 shown, a plurality of limiting ribs 57 for cooperating with the first limiting grooves 301 preset on the wall of the mounting hole 30 are protruded from the outer side surface of the socket cylinder 5. In this embodiment, by providing the limiting ribs 57 on the outer side surface of the socket cylinder 5, which can cooperate with the first limiting grooves 301 preset on the wall of the mounting hole 30, the socket cylinder 5 and the mounting hole 30 can be relatively fixed in the circumferential direction, with a simple structure and effective positioning achieved.

[0032] In an alternative embodiment of the present invention, as Figures 1-3 and Figure 5 shown, a positioning bayonet 58 for tightly clamping and positioning the positioning block 14 preset on the outer wall of the ultrasonic radar 1 and an avoidance notch 59 for allowing the insertion end 16 of the ultrasonic radar 1 to protrude laterally are further provided on the inner wall of the chamber 5a. In this embodiment, the socket cylinder 5 is further provided with the positioning bayonet 58, which can tightly clamp and position with the positioning block 14 of the ultrasonic radar 1 to realize the stable assembly and positioning of the ultrasonic radar 1; and by providing the avoidance notch 59, it is convenient for the insertion end 16 of the ultrasonic radar 1 to protrude laterally to be connected with external lines, which is beneficial to reducing the overall occupied space.

[0033] In an alternative embodiment of the present invention, as Figures 1-5As shown, on the outer side surface of one end of the fixing ring 7 close to the outside of the vehicle body 3, an inner ring edge 72 is formed by convexity, which is used to abut against the peripheral edge of the inner orifice of the mounting hole 30. On one side surface of the inner ring edge 72 facing the outside of the vehicle body 3, a plurality of pressing feet 721 are formed by convex extension, which are evenly distributed in the circumferential direction and are used to press against the peripheral edge of the inner end orifice of the mounting hole 30. In this embodiment, by further providing the inner ring edge 72 on the fixing ring 7 and providing the pressing feet 721 on the inner ring edge 72, the pressing feet 721 can evenly and closely press against the peripheral edge of the inner end orifice of the mounting hole 30, so as to ensure the cooperation between the fixing ring 7 and the outer ring edge 50 of the socket cylinder 5, effectively position the socket cylinder 5 in the axial direction, and prevent the socket cylinder 5 from loosening.

[0034] In an alternative embodiment of the present invention, as Figures 1-7 shown, a second limiting groove 74 is provided on the inner ring surface of the fixing ring 7, and at least one of the limiting ribs 57 further extends axially along the socket cylinder 5 by a predetermined length and is respectively inserted into the second limiting groove 74 and the first limiting groove 301 at opposite ends. In this embodiment, by further providing the second limiting groove 74 on the fixing ring 7 and using the limiting rib 57 inserted into the first limiting groove 301 to be also inserted into the second limiting groove 74, the circumferential fixation between the fixing ring 7 and the socket cylinder 5 can be further realized by the mutual insertion and cooperation between the limiting rib 57 and the second limiting groove 74.

[0035] In an alternative embodiment of the present invention, as Figure 1 and Figure 7 shown, a plurality of second abutting ribs 76 for tightly abutting and positioning against the outer wall of the socket cylinder 5 are evenly provided on the inner ring surface of the fixing ring 7. In this embodiment, by providing the second abutting ribs 76 on the inner ring surface of the fixing ring 7, the fixing ring 7 and the socket cylinder 5 can be effectively tightened and positioned, and looseness in the radial direction can be avoided.

[0036] The embodiments of the present invention have been described above in conjunction with the accompanying drawings. However, the present invention is not limited to the above specific embodiments. The above specific embodiments are merely illustrative and not restrictive. Under the inspiration of the present invention, those of ordinary skill in the art can also make many forms without departing from the spirit and scope protected by the claims of the present invention. All of these fall within the protection scope of the present invention.

Claims

1. An in-vehicle ultrasonic radar mounting device for fixing an ultrasonic radar in a preset mounting hole on a motor vehicle body. The device includes a socket cylinder penetrating from the outer end orifice of the mounting hole into the mounting hole, and a fixing ring sleeved and fixed on the inner end of the socket cylinder. The socket cylinder and the mounting hole are relatively fixed in the circumferential direction, and an outer ring edge is formed by the protrusion of the outer edge end. The outer ring edge and the fixing ring respectively abut against the outer peripheral edges of the opposite ends orifices of the mounting hole to axially position the socket cylinder. It is characterized in that, The inner end of the socket cylinder is symmetrically provided with elastic arms extending axially for a predetermined length. The elastic arms are further provided with a first snap hole and a second snap hole. The first snap hole is closer to the root of the elastic arm than the second snap hole. A first snap protrusion is formed by the convexity of the inner ring surface of the fixing ring. The fixing ring is sleeved on the socket cylinder from the end of the elastic arm and is positioned by the first snap protrusion being snapped into the first snap hole. A chamber corresponding to accommodating the detection end of the ultrasonic radar is formed inside the socket cylinder. The elastic arms also elastically clamp the ultrasonic radar correspondingly and are positioned by the second snap hole being correspondingly snapped with a second snap protrusion preset on the outer wall of the ultrasonic radar.

2. The vehicle-mounted ultrasonic radar installation device according to claim 1, characterized in that, On the opposite sides of the inner end of the socket cylinder, one such elastic arm is symmetrically extended respectively. The first snap hole and the second snap hole are distributed along the axial direction of the socket cylinder on the elastic arm.

3. The vehicle-mounted ultrasonic radar installation device according to claim 1, characterized in that, One side surface of the first snap protrusion facing the elastic arm is provided with a guiding inclined surface for guiding the elastic deformation of the elastic arm.

4. The vehicle-mounted ultrasonic radar installation device according to claim 1, characterized in that On the inner wall of the chamber near the inner end opening of the socket cylinder, a limiting collar for sleeving on the outer side of the detection end of the ultrasonic radar is further provided. The end of the limiting collar abuts against the side wall of the detection end to stop and limit the ultrasonic radar.

5. The vehicle-mounted ultrasonic radar mounting device according to claim 1, characterized in that, On the inner wall of the chamber, a number of first abutting ribs for tightly abutting and positioning against the outer wall of the ultrasonic radar are evenly provided.

6. The vehicle-mounted ultrasonic radar installation device according to claim 1, characterized in that, On the outer side surface of the socket cylinder, a number of limiting ribs for cooperating with first limiting grooves preset on the hole wall of the mounting hole are protruded.

7. The vehicle-mounted ultrasonic radar mounting device according to claim 1, characterized in that, On the inner wall of the chamber, a positioning bayonet for clamping and positioning a positioning block preset on the outer wall of the ultrasonic radar and an avoidance notch for the insertion end of the ultrasonic radar to protrude laterally are further provided.

8. The vehicle-mounted ultrasonic radar installation device according to claim 1, characterized in that, On the outer side surface of the end of the fixing ring close to the outside of the vehicle body, an inner ring edge is protruded. A number of pressing feet evenly distributed in the circumferential direction and for pressing against the outer peripheral edge of the inner end opening of the mounting hole are protruded on one side surface of the inner ring edge facing the outside of the vehicle body.

9. The vehicle-mounted ultrasonic radar mounting device according to claim 6, wherein The inner ring surface of the fixing ring is provided with a second limiting groove. At least one of the limiting ribs also extends axially for a predetermined length along the socket cylinder and is inserted into the second limiting groove and the first limiting groove respectively with opposite ends.

10. The vehicle-mounted ultrasonic radar mounting device according to claim 1, characterized in that, On the inner ring surface of the fixing ring, a number of second abutting ribs for tightly abutting and positioning against the outer wall of the socket cylinder are evenly provided.

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