CN216694812U

CN216694812U - Waterproof dustproof angle detection structure

Info

Publication number: CN216694812U
Application number: CN202123156497.0U
Authority: CN
Inventors: 陈梓展; 范福川; 吴少华; 何牧
Original assignee: Maxvision Technology Corp
Current assignee: Maxvision Technology Corp
Priority date: 2021-12-14
Filing date: 2021-12-14
Publication date: 2022-06-07
Anticipated expiration: 2031-12-14

Abstract

The utility model discloses a waterproof and dustproof angle detection structure, which comprises: the wire grip, the rotating shaft, the shell, the magnet, the chassis and the PCB are arranged on the base; the rotating shaft is rotatably arranged on the shell and provided with a top part positioned outside the shell and a bottom part positioned inside the shell; the top of the rotating shaft is provided with a groove, and the wire grip is arranged in the groove; the magnet is fixed at the bottom of the rotating shaft; the rotating shaft is connected with the shell through a first waterproof and dustproof structure; the shell and the PCB are arranged on the chassis, the PCB is accommodated in the shell, and a Hall element is arranged on the PCB corresponding to the position of the magnet; the shell is connected with the chassis through a second waterproof and dustproof structure. The utility model integrates the advantages of the stay wire and the magnet, can improve the measurement precision of the whole structure, has the waterproof and dustproof effects, and has high integration level, small volume and easy installation.

Description

Waterproof dustproof angle detection structure

Technical Field

The utility model relates to the technical field of angle detection, in particular to a waterproof and dustproof angle detection structure.

Background

When the trailer is in operation, the head and the body of the trailer have an angular deviation when turning. When the towed vehicle turns, due to the existence of the angle deviation, errors, such as dislocation, unnatural transition and the like, occur when the holographic projection system mounted on the vehicle splices images. Therefore, it becomes a solution to accurately detect an angular deviation when the vehicle turns and to compensate for the angular deviation by an algorithm.

At present, the market does not have a structure for accurately measuring the angular deviation, and in the prior art, a wire stretcher and an angular displacement sensor are used, and a magnet and a Hall element are also used. The measuring precision of the measuring structure in the wire puller mode is not high; the magnet type measuring structure is difficult to mount. Moreover, the existing structure usually has no waterproof and dustproof functions.

SUMMERY OF THE UTILITY MODEL

The utility model mainly solves the technical problem of providing a waterproof and dustproof angle detection structure which is used for improving the measurement precision, reducing the installation difficulty and realizing the waterproof and dustproof effect.

The utility model provides a waterproof dustproof angle detection structure, which comprises: the wire grip, the rotating shaft, the shell, the magnet, the chassis and the PCB; the rotating shaft is rotatably arranged on the shell and is provided with a top part positioned outside the shell and a bottom part positioned inside the shell; the top of the rotating shaft is provided with a groove, and the wire puller is arranged in the groove; the magnet is fixed at the bottom of the rotating shaft; the rotating shaft is connected with the shell by adopting a first waterproof and dustproof structure; the shell and the PCB are arranged on the chassis, the PCB is accommodated in the shell, and a Hall element is arranged on the PCB corresponding to the position of the magnet; the shell and the chassis are connected by a second waterproof and dustproof structure.

In a possible implementation manner, a circle of first boss is arranged on the side face of the rotating shaft, a circle of second boss is arranged at the top of the shell, the first boss is sleeved outside the second boss, and the first boss and the second boss are matched with each other to form the first waterproof and dustproof structure.

In a possible implementation manner, a circle of third boss is arranged on the surface of the chassis, the housing wall of the housing is sleeved outside the third boss, and the housing wall of the housing and the third boss are matched with each other to form the second waterproof and dustproof structure.

In a possible implementation manner, a hollow screw is installed on the side surface of the rotating shaft, and the pull rope of the wire puller penetrates through the hollow screw.

In a possible implementation manner, a waterproof connector is installed on the side face of the shell, and the wiring of the PCB penetrates through the waterproof connector.

In one possible implementation, the waterproof and dustproof angle detection structure further includes a bearing structure disposed between the rotating shaft and the housing. Optionally, the bearing structure includes a deep groove ball bearing disposed between the rotating shaft and the inner casing wall of the casing, and retainer rings disposed below and above the deep groove ball bearing, respectively.

According to the technical scheme, the utility model has the following beneficial effects:

the utility model integrates the advantages of two structures of a pull wire mode and a magnet mode; the wire grip is combined with the magnet structure, so that the measurement precision of the whole structure can be improved; the waterproof and dustproof effects are improved by arranging the first waterproof and dustproof structure and the second waterproof and dustproof structure; the integrated structure is integrated in the space enclosed by the shell and the chassis, the integration level is high, the volume is small, too large space cannot be occupied, and the installation is easy.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the embodiments and the drawings used in the description of the prior art, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.

Fig. 1 is a perspective view of a waterproof and dustproof angle detection structure provided in an embodiment of the present invention;

fig. 2 is a sectional view of a waterproof and dustproof angle detection structure according to an embodiment of the present invention;

fig. 3 is a schematic diagram of a waterproof and dustproof structure of a waterproof and dustproof angle detection structure according to an embodiment of the present invention.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The terms "first," "second," "third," and the like in the description and in the claims, and in the above-described drawings, are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.

The present invention will be described in detail with reference to the following examples.

Referring to fig. 1 and 2, an embodiment of the present invention provides a waterproof and dustproof angle detecting structure, including: the device comprises a wire grip 01, a hollow screw 02, a rotating shaft 03, a shell 04, a magnet 05, a waterproof joint 06, a chassis 07 and a PCB 08.

The rotating shaft 03 is rotatably mounted to the housing 04, and the rotating shaft 03 has a top located outside the housing 04 and a bottom located inside the housing 04; a groove is formed in the top of the rotating shaft 03, and the wire puller 01 is installed in the groove; the magnet 05 is embedded and fixed at the bottom of the rotating shaft 03; when the wire grip 01 rotates, the rotating shaft 03 and the magnet 05 at the bottom of the rotating shaft 03 are driven to rotate along with the rotating shaft, and synchronous rotation of the rotating shaft, the rotating shaft and the magnet is achieved.

The shell 04 is mounted on the chassis 07, and the PCB 08 is accommodated in the shell 04 and can be fixed on the chassis 07 through a stud; the PCB 08 is located below the magnet 05 and is spaced from the magnet 05 by a preset distance, and a Hall element is arranged on the PCB 08 corresponding to the position of the magnet 05 and used for sensing and detecting the rotation angle of the magnet 05.

Optionally, a threaded hole is formed in the side surface of the rotating shaft 03, a hollow screw 02 is installed in the threaded hole, and a pull rope of the wire puller 01 penetrates through the hollow screw 02.

Optionally, a threaded hole is formed in the side face of the shell 04, a waterproof connector 06 is installed in the threaded hole, and the wiring of the PCB 08 passes through the waterproof connector 06 to achieve a waterproof function, so that the outlet position of the PCB 08 is guaranteed against water inflow.

Alternatively, the rotating shaft 03 includes an upper shaft outside the housing 04 and a lower shaft inside the housing 04, the diameter of the lower shaft is smaller than that of the upper shaft, and a ring of inner casing wall 041 surrounding and supporting the lower shaft may be provided inside the housing 04.

Optionally, a bearing structure may be further disposed in the housing 04 between the rotating shaft 03 and the housing 04, so as to facilitate rotation of the rotating shaft 03. The bearing structure may specifically include: a deep groove ball bearing 09 disposed between the lower shaft and the inner casing wall 041, and retaining rings 10 disposed below and above the deep groove ball bearing 09, respectively.

Referring to fig. 3, the rotating shaft 03 and the housing 04 are connected by a first waterproof and dustproof structure, as shown by a circle portion denoted by F1 in fig. 3; the shell 04 and the chassis 07 are connected by a second waterproof and dustproof structure, as shown by a circle part represented by F2 in fig. 3; through adopting first, the waterproof dustproof construction of second, overall structure can be in order to realize waterproof dirt-proof effect.

Optionally, a circle of first bosses 031 are arranged on the side surface of the rotating shaft 03, a circle of second bosses 042 are arranged on the top of the housing 04, the first bosses 041 are sleeved outside the second bosses 042, and the first bosses 041 and the second bosses 042 are mutually matched to form the first waterproof and dustproof structure. This waterproof dustproof construction of first for prevent that outside water and dust from getting into easily and detecting the structure inside, realize the waterproof dustproof function on whole detection structure upper portion.

Optionally, a circle of third boss 071 is disposed on the surface of the chassis 07, the housing wall 043 of the housing 04 is sleeved outside the third boss 071, and the housing wall 043 of the housing 04 and the third boss 071 are mutually matched to form the second waterproof and dustproof structure. This waterproof dustproof construction of second for prevent that outside water and dust from getting into easily and detecting the structure inside, realize the waterproof dustproof function of whole detection structure lower part.

The working principle of the detection structure of the utility model is as follows: the stay cord of wire grip 01 crosses hollow screw 02 and hangs on the automobile body, and when rotating, the stay cord drives axis of rotation 03 rotatory through contacting with hollow screw 02 inside, and magnet 05 on the axis of rotation 03 also rotates thereupon, and at this moment, the hall element of PCB board 08 on the chassis 07 just can respond with magnet 05, exports pivoted real-time angle. The hollow screw 02 increases the contact area between the pull rope and the rotating body, and improves the rotation precision, thereby improving the measurement precision.

To sum up, the embodiment of the utility model discloses a waterproof and dustproof angle detection structure, and the technical scheme shows that the embodiment of the utility model has the following advantages:

The technical solution of the present invention is explained in detail by the specific embodiments above. In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to the related descriptions of other embodiments.

It should be understood that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same. The technical solutions described in the above embodiments can be modified or part of the technical features can be equivalently replaced by those skilled in the art; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the spirit and the scope of the technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a waterproof dustproof angle detection structure which characterized in that includes: the wire grip, the rotating shaft, the shell, the magnet, the chassis and the PCB;

the rotating shaft is rotatably arranged on the shell and is provided with a top part positioned outside the shell and a bottom part positioned inside the shell; the top of the rotating shaft is provided with a groove, and the wire puller is arranged in the groove; the magnet is fixed at the bottom of the rotating shaft; the rotating shaft is connected with the shell by adopting a first waterproof and dustproof structure;

the shell and the PCB are arranged on the chassis, the PCB is accommodated in the shell, and a Hall element is arranged on the PCB corresponding to the position of the magnet; the shell and the chassis are connected by a second waterproof and dustproof structure.

2. The waterproof and dustproof angle detection structure according to claim 1,

the side of axis of rotation is equipped with the first boss of round, the top of shell is equipped with the second boss of round, first boss cover is established outside the second boss, first boss with the second boss is mutually supported and is constituteed first waterproof dustproof construction.

3. The waterproof and dustproof angle detection structure according to claim 1,

the surface of the chassis is provided with a circle of third bosses, the shell wall of the shell is sleeved outside the third bosses, and the shell wall of the shell and the third bosses are matched with each other to form the second waterproof and dustproof structure.

4. The waterproof and dustproof angle detection structure according to claim 1,

a hollow screw is installed on the side face of the rotating shaft, and a pull rope of the wire puller penetrates through the hollow screw.

5. The waterproof and dustproof angle detection structure according to claim 1,

and a waterproof joint is arranged on the side surface of the shell, and a wiring of the PCB passes through the waterproof joint.

6. The waterproof and dustproof angle detection structure according to any one of claims 1 to 5,

and a bearing structure is arranged between the rotating shaft and the shell.

7. The waterproof and dustproof angle detection structure according to claim 6,

the bearing structure comprises a deep groove ball bearing arranged between the rotating shaft and the inner shell wall of the shell, and retainer rings respectively arranged below and above the deep groove ball bearing.