CN220853628U

CN220853628U - Ultrasonic sensor

Info

Publication number: CN220853628U
Application number: CN202322777060.1U
Authority: CN
Inventors: 肖清; 杨敏广; 范志伟
Original assignee: Shenzhen Leading Vision Technology Co ltd
Current assignee: Shenzhen Leading Vision Technology Co ltd
Priority date: 2023-10-16
Filing date: 2023-10-16
Publication date: 2024-04-26
Anticipated expiration: 2033-10-16

Abstract

The present utility model also constructs an ultrasonic sensor comprising: a sensor body; the mounting bracket is sleeved on the periphery of at least part of the sensor body, can be used for partially embedding an external part and is fixedly mounted with the external part, and comprises a cylindrical sleeve body, and a first limit structure and a second limit structure which are sequentially arranged along the axial direction of the sleeve body; the first limiting structure is matched with the second limiting structure to limit and/or guide the whole ultrasonic sensor and the external component. The installation support is sleeved on the periphery of at least part of the sensor body, the first limiting structure and the second limiting structure are sequentially arranged in the axial direction of the sleeve body of the installation support, and the whole ultrasonic sensor can be limited and/or guided to be installed with the external part through the matching of the first limiting structure and the second limiting structure, so that the installation accuracy and the installation stability can be improved.

Description

Ultrasonic sensor

Technical Field

The utility model relates to the field of sensors, in particular to an ultrasonic sensor.

Background

The ultrasonic sensor body in the related art is directly arranged on an external part, such as a robot or an automobile shell, and the problems of misplacement and loose installation are easy to occur during the installation.

Disclosure of utility model

The utility model aims to provide an improved ultrasonic sensor.

The technical scheme adopted for solving the technical problems is as follows: an ultrasonic sensor, comprising:

A sensor body;

The mounting bracket is sleeved on the periphery of at least part of the sensor body, can be used for partially embedding an external part and is fixedly mounted with the external part, and comprises a cylindrical sleeve body, and a first limit structure and a second limit structure which are sequentially arranged along the axial direction of the sleeve body; the first limiting structure is matched with the second limiting structure to limit and/or guide the whole ultrasonic sensor and the external component.

In some embodiments, the first limiting structure includes a plurality of resilient protrusions circumferentially spaced along the sleeve body; each elastic convex part protrudes out of the outer side wall of the sleeve body;

And a set interval is reserved between each elastic convex part and the second limiting structure so as to form a limiting space for matching and limiting the external part.

In some embodiments, the sleeve includes oppositely disposed first and second ends; the first end has an opening into which the sensor body is fitted;

Each elastic convex part comprises a first surface and a second surface which are obliquely arranged; the first surface and the second surface can be arranged in an intersecting way through extension; the extension surface of the first surface forms a first included angle with the plane where the second end is located; the second surface is positioned on one side of the first surface facing the second end, the extension surface of the second surface and the plane where the second end is positioned form a second included angle, and the angle of the second included angle is smaller than that of the first included angle.

In some embodiments, the resilient protrusions are wedge-shaped or triangular.

In some embodiments, the outer wall of the sleeve body is convexly provided with a plurality of ribs, and the ribs are arranged at intervals along the periphery of the sleeve body;

each elastic convex part is connected with the rib.

In some embodiments, the first limiting structure comprises a threaded structure arranged on the outer side wall of the sleeve body and a nut matched with the threaded structure.

In some embodiments, the threaded structure is provided with at least two locating surfaces, at least two of which are located on opposite sides of the sleeve body.

the second limiting structure is arranged at the second end.

In some embodiments, the second stop structure includes a stop tab protruding from an outer wall of the sleeve body.

In some embodiments, the mounting bracket and the sensor body are provided with a clamping structure for connecting and fixing the mounting bracket and the sensor body.

The ultrasonic sensor has the following beneficial effects: the installation support is sleeved on the periphery of at least part of the sensor body, the first limiting structure and the second limiting structure are sequentially arranged in the axial direction of the sleeve body of the installation support, and the whole ultrasonic sensor can be limited and/or guided to be installed with the external part through the matching of the first limiting structure and the second limiting structure, so that the installation accuracy and the installation stability can be improved.

Drawings

The utility model will be further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic view showing the structure of an ultrasonic sensor according to a first embodiment of the present utility model;

FIG. 2 is an exploded schematic view of the ultrasonic sensor of FIG. 1;

FIG. 3 is a schematic view of the mounting bracket structure of the ultrasonic sensor shown in FIG. 2;

FIG. 4 is a top view of the mounting bracket of the ultrasonic sensor shown in FIG. 2;

FIG. 5 is a schematic illustration of the ultrasonic sensor of FIG. 1 assembled with an external component;

FIG. 6 is a schematic diagram showing an assembly of an ultrasonic sensor and an external component according to a second embodiment of the present utility model;

FIG. 7 is a schematic view of the structure of an ultrasonic sensor;

fig. 8 is a top view of the housing of the ultrasonic sensor.

Detailed Description

For a clearer understanding of technical features, objects and effects of the present utility model, a detailed description of embodiments of the present utility model will be made with reference to the accompanying drawings. In the following description, it should be understood that the directions or positional relationships indicated by "upper", "lower", "inner", "outer", etc. are configured and operated in specific directions based on the directions or positional relationships shown in the drawings, and are merely for convenience of description of the present utility model, and do not indicate that the apparatus or element referred to must have specific directions, and thus should not be construed as limiting the present utility model.

It should also be noted that unless explicitly stated or limited otherwise, terms such as "mounted," "connected," "secured," "disposed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. When an element is referred to as being "on" or "under" another element, it can be "directly" or "indirectly" on the other element or one or more intervening elements may also be present. The terms "first," "second," "third," and the like are used merely for convenience in describing the present utility model and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby features defining "first," "second," "third," etc. may explicitly or implicitly include one or more such features. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Fig. 1 shows a first embodiment of the ultrasonic sensor of the present utility model, which can be mounted on an external unit 300, such as a robot or car, which can perform a ranging function. The ultrasonic sensor has the advantages of high installation stability and high installation precision.

In this embodiment, the ultrasonic sensor may include a sensor body 200 and a mounting bracket 100, where the mounting bracket 100 is sleeved on at least a portion of the outer periphery of the sensor body 200, and may be used to fix the sensor body 200 and the external component 300.

As shown in fig. 2 to 4, in the present embodiment, the mounting bracket 100 may include a sleeve body 10, a first limiting structure 20, and a second limiting structure 30. In this embodiment, the first limiting structure 20 and the second limiting structure 30 are sequentially disposed along the axial direction of the sleeve body 10, and the first limiting structure 20 and the second limiting structure 30 may be mutually matched for limiting and/or guiding the entire ultrasonic sensor 200 and the external component 300.

In this embodiment, the sleeve 10 may have a substantially cylindrical shape and a hollow structure having two ends penetrating therethrough. In some embodiments, the whole casing 10 may be made of metal, specifically, the whole casing 10 is an elastic metal piece, and may be formed by rolling an elastic metal sheet. In this embodiment, the sleeve 10 may include a first end 11 and a second end 12, where the first end 11 is disposed opposite the second end 12. The first end 11 has an opening 13 therein, from which opening 13 the sensor body 200 can be fitted into a portion of the housing 10. In this embodiment, the rib 14 may be disposed on the outer sidewall of the sleeve body 10, the rib 14 may be plural, and the plural ribs 14 are disposed at intervals along the circumferential direction of the sleeve body 10 and protrude out of the outer sidewall of the sleeve body 10. Each rib 14 may extend from the first end 11 to the second end 12, which may be used to increase the strength of the sleeve 10. In some embodiments, the sidewall of the sleeve 10 may be disposed in the fastening hole 15, and the fastening hole 15 may be used to be fastened to the sensor body 200. In some embodiments, a notch 16 is provided in the sidewall of the sleeve 10 for the connector 2012 of the sensor body 200 to pass through. In some embodiments, a plurality of U-shaped notches 17 may be provided on the side wall of the sleeve 10, the U-shaped notches 17 may extend from the first end 11 toward the second end 12, and the plurality of U-shaped notches 17 may be provided at intervals, so that the sleeve 10 may deform, and the assembly of the sleeve 10 and the sensor body 200 is facilitated.

In this embodiment, the first limiting structure 20 is an elastic structure, and may include a plurality of elastic protruding portions 21, where the plurality of elastic protruding portions 21 may be disposed at intervals along the circumferential direction of the sleeve body 10. In some embodiments, the number of the elastic protrusions 21 may be eight, and of course, it is understood that in other embodiments, the number of the elastic protrusions 21 is not limited to eight, and may be three, four, five, or the like.

Each elastic protrusion 21 may be located on an outer surface of one rib 14, that is, each elastic protrusion 21 may protrude from an outer sidewall of the sleeve body 10. An included angle structure can be formed between each elastic convex part 21 and the rib 14. The elastic convex part 21 can guide and install the whole ultrasonic sensor and the external part 300 through elastic deformation, so that the installation of the ultrasonic sensor and the external part 300 is smoother, the assembly efficiency is improved, a set interval can be reserved between the ultrasonic sensor and the external part 300 and the second limiting structure 30 to form a limiting space 40, the limiting space 40 is used for limiting the ultrasonic sensor and the external part 300, the assembly stability can be improved, and the ultrasonic sensor and the external part 300 can be firmly installed.

In the present embodiment, the elastic convex portion 21 may have a substantially wedge shape. Of course, it will be appreciated that in other embodiments, the resilient protrusions 21 may not be limited to wedge-shaped, but may be triangular. In other embodiments, the resilient protrusions 21 may be integrally formed with the sleeve 10, and in particular, may be integrally formed with the sleeve 10 by casting.

In the present embodiment, the elastic protruding portion 21 may include a first surface 211, a second surface 212, and a third surface 213. Wherein the first surface 211 and the second surface 212 are disposed obliquely to each other and are respectively connected to the third surface 213. The first surface 211 and the second surface 212 may be disposed by extending and intersecting. The third surface 213 is located between the first surface 211 and the second surface 212, and a side of the elastic protruding portion 21 opposite to the third surface 213 is connected to the rib 14. In this embodiment, the extending surface of the first surface 211 may form a first included angle with the plane in which the second end 12 is located, and may form a first included angle with the mounting plane of the external unit 300 when the ultrasonic sensor is mounted to the external unit 300. The second surface 212 is located at a side of the first surface 211 facing the second end 12, and the extending surface thereof forms a second included angle with a plane on which the second end 12 is located, and when the ultrasonic sensor is mounted on the external component 300, the extending surface may form a second included angle with a mounting plane of the external component 300. In this embodiment, the angle of the second included angle is smaller than the angle of the first included angle, so that the mounting bracket 100 can be pushed into the mounting hole 301 of the external component 300 more smoothly, and after the whole ultrasonic sensor is pushed into place, the whole ultrasonic sensor is locked and fixed by the elastic protruding portion 21 and the second limiting structure 30, and the elastic protruding portion 21 and the external component 300 form an elastic locking force, so that the assembly stability is improved. In some embodiments, the elastic protrusion 21 may be provided with a through hole 214, and the through hole 214 may be used to increase the elastic force of the elastic protrusion 21, so that the elastic shape of the elastic protrusion 21 is easily changed. In other embodiments, the via 214 may be omitted.

As shown in fig. 5, specifically, when the ultrasonic sensor is mounted to the external component 300, the elastic protruding portion 21 generates an elastic pressing force F1 on the hole side edge of the mounting hole 301 of the external component 300, the second limiting structure 30 may generate a supporting force F2 on the external component 300, a component force of the elastic pressing force F1 along the opposite direction of the supporting force F2 is opposite to that of the supporting force F2, and a component force of the elastic pressing force F1 along the radial direction is neutralized by 8 symmetrical elastic protruding portions 21, so as to form force balance and form self-locking.

In this embodiment, the second limiting structure 30 may be located at the second end 12, and the second limiting structure 30 may include a limiting protrusion, may be disposed along the outer wall of the sleeve 10 protruding radially from the sleeve 10, and may extend along the circumferential direction of the sleeve 10. The limiting protrusion can play a role of supporting the external component 300, and can cooperate with the first limiting structure 20 to clamp the external component 300.

As shown in fig. 1 and 2, in the present embodiment, the sensor body 200 may include a housing 201 and a probe assembly 202 disposed in the housing 201. In this embodiment, the mounting bracket 100 and the sensor body 200 may be connected and fixed by providing a clamping structure. Specifically, the fastening structure may include a fastening hole 15 and a fastener 2011, where the fastening hole 15 is disposed on an outer sidewall of the sleeve body 10 of the mounting bracket 100. The buckles 2011 may be disposed on an outer sidewall of the housing 201 and are disposed in one-to-one correspondence with the buckling holes 15.

Fig. 6 to 8 show a second embodiment of the ultrasonic sensor of the present utility model, which is different from the first embodiment in that the first stopper structure 20 may include a screw structure 22 and a nut 23. The screw structure 22 is disposed on the outer sidewall of the sleeve body 10, and is disposed along the circumferential direction of the sleeve body 10, which is an external screw structure. The nut 23 is engageable with the threaded formation 22 and is removably disposed with the sleeve body 10. When the ultrasonic sensor is assembled with the external component 300, the ultrasonic sensor can penetrate out of the mounting hole 301, the nut 23 is sleeved on the threaded structure 22 and is in threaded connection with the threaded structure 22, and the external component 300 is fixedly mounted with the ultrasonic sensor through the cooperation of the nut 23 and the second limiting structure 30. In some embodiments, the screw structure 22 is provided with two positioning surfaces 221, the two positioning surfaces 221 may be located at two opposite sides of the sleeve body 10, and are respectively tangential surfaces, which may be disposed corresponding to two tangential surfaces of the inner wall of the mounting hole 301 of the external component 300, so as to limit the rotation of the ultrasonic sensor during mounting, and ensure the mounting accuracy.

It is to be understood that the above examples only represent preferred embodiments of the present utility model, which are described in more detail and are not to be construed as limiting the scope of the utility model; it should be noted that, for a person skilled in the art, the above technical features can be freely combined, and several variations and modifications can be made without departing from the scope of the utility model; therefore, all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims

1. An ultrasonic sensor, comprising:

A sensor body (200);

The mounting bracket (100) is sleeved on the periphery of at least part of the sensor body (200), can be used for partially embedding an external part (300) and is fixedly mounted with the external part (300), and comprises a cylindrical sleeve body (10), and a first limit structure (20) and a second limit structure (30) which are sequentially arranged along the axial direction of the sleeve body (10); the first limiting structure (20) is matched with the second limiting structure (30) so as to limit and/or guide the whole ultrasonic sensor and the external component (300).

2. The ultrasonic sensor according to claim 1, wherein the first limiting structure (20) comprises a plurality of elastic protrusions (21) arranged at intervals along the circumferential direction of the sleeve body (10); each elastic convex part (21) protrudes out of the outer side wall of the sleeve body (10);

And a set interval is reserved between each elastic convex part (21) and the second limiting structure (30) so as to form a limiting space for matching and limiting the external part (300).

3. The ultrasonic sensor according to claim 2, wherein the sleeve (10) comprises a first end (11) and a second end (12) arranged opposite each other; the first end (11) has an opening (13) into which the sensor body (200) is fitted;

Each elastic convex part (21) comprises a first surface (211) and a second surface (212) which are arranged obliquely to each other; -said first surface (211) and said second surface (212) being arranged crosswise by extension; the extension surface of the first surface (211) and the plane of the second end (12) form a first included angle; the second surface (212) is located at one side of the first surface (211) facing the second end (12), and the extending surface of the second surface (212) and the plane where the second end (12) is located form a second included angle, and the angle of the second included angle is smaller than that of the first included angle.

4. An ultrasonic sensor according to claim 2, characterized in that the elastic protrusion (21) is wedge-shaped or triangular.

5. The ultrasonic sensor according to claim 2, wherein the outer wall of the sleeve body (10) is convexly provided with a plurality of ribs (14), and a plurality of ribs (14) are arranged at intervals along the periphery of the sleeve body (10);

Each elastic convex part (21) is connected with the rib (14).

6. The ultrasonic sensor according to claim 1, characterized in that the first limit structure (20) comprises a threaded structure (22) provided on the outer side wall of the sleeve (10) and a nut (23) cooperating with the threaded structure (22).

7. The ultrasonic sensor according to claim 6, characterized in that said threaded structure (22) is provided with at least two positioning surfaces (221), at least two of said positioning surfaces (221) being located on opposite sides of said sleeve (10).

8. The ultrasonic sensor according to claim 1, wherein the sleeve (10) comprises a first end (11) and a second end (12) arranged opposite each other; the first end (11) has an opening (13) into which the sensor body (200) is fitted;

The second limiting structure (30) is arranged at the second end (12).

9. The ultrasonic sensor according to claim 1, characterized in that the second limit structure (30) comprises a limit protrusion protruding from the outer wall of the sleeve (10).

10. The ultrasonic sensor according to claim 1, wherein the mounting bracket (100) and the sensor body (200) are provided with a clamping structure for connecting and fixing the mounting bracket (100) and the sensor body (200).