CN213689670U

CN213689670U - Turn to detection device and balance car

Info

Publication number: CN213689670U
Application number: CN202022978732.1U
Authority: CN
Inventors: 李利锁; 乔万阳
Original assignee: Ninebot Beijing Technology Co Ltd
Current assignee: Ninebot Beijing Technology Co Ltd
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2021-07-13
Anticipated expiration: 2030-12-09

Abstract

The utility model discloses a turn to detection device, turn to detection device and include magnetism detection piece, magnetic part and setting element, magnetism detection piece for the fixed setting of automobile body of balance car, the pivot for the automobile body of balance car rotates the setting, just the pivot with the magnetic part links to each other in order to drive the magnetic part rotates, magnetism detection piece passes through the setting element with the magnetic part sets up according to setting for the mode relatively. According to the utility model discloses turn to detection device, effectively improved the relative position precision of magnetism detection piece and magnetic part, improved the sensitivity of magnetism detection piece.

Description

Turn to detection device and balance car

Technical Field

The application relates to the technical field of travel tools, in particular to a steering detection device and a balance car.

Background

The balance car is a daily tool of riding instead of walk, and the balance car is through turning to detection device control and turning to, and the detection device that turns to in the balance car includes magnetic part and detecting element, and the magnetic part is used for producing the magnetic field, and the magnetic part rotates along with the pivot, thereby detecting element judges the pivot pivoted direction through the change in induction magnetic field.

In the related art, the relative position accuracy of the detection element and the magnetic member is low, so that the detection element may not accurately judge the change of the magnetic field or the detection sensitivity is reduced, which may affect the safety of the balance car.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the technical problems in the related art to a certain extent.

Therefore, the embodiment of the utility model provides a turn to detection device has improved hall subassembly and magnetic component's relative position precision, has improved hall element's sensitivity.

The embodiment of another aspect of the utility model provides a balance car with above-mentioned detection device that turns to.

According to the utility model discloses a turn to detection device of embodiment of first aspect includes magnetism detection piece, magnetic part and setting element, magnetism detection piece for the fixed setting of automobile body of balance car, the pivot for the automobile body of balance car rotates the setting, just the pivot with the magnetic part links to each other in order to drive the magnetic part rotates, magnetism detection piece passes through the setting element with the magnetic part sets up according to setting for the mode relatively.

According to the utility model discloses turn to detection device, with magnetism detection piece and magnetic part according to the mode relative setting of setting for, effectively improved the relative position precision of magnetism detection piece and magnetic part, improved the sensitivity of magnetism detection piece.

In some embodiments, the steering detection device further comprises a mounting seat, the mounting seat is connected with the balance car body, the magnetic detection piece is arranged on the mounting seat, and the rotating shaft is rotatably connected with the mounting seat.

In some embodiments, the positioning element includes a first housing and a second housing, the second housing is rotatably connected to the first housing, the first housing is connected to the mounting base, the magnetic detection element is disposed in the first housing, and the magnetic element is disposed in the second housing.

In some embodiments, one end of the first housing is connected to the mounting seat, the other end of the first housing is provided with a first through hole, the second housing includes a first section and a second section, the cross-sectional area of the first section is larger than that of the second section, the first section is located in the first housing, and the second section passes through the first through hole and is connected to the rotating shaft.

In some embodiments, the mounting seat is provided with a second through hole, the end of the first housing is provided with a first connecting piece, the cross-sectional area of a part of the first connecting piece, which is far away from the first housing, is larger than that of a part of the first connecting piece, which is close to the first housing, and the first connecting piece is clamped in the second through hole, so that the first housing and the mounting seat are detachably connected.

In some embodiments, the first section has a cavity, at least a portion of the magnetic detection member is located within the cavity of the first section, the second section has a cavity, and the magnetic member is disposed within the cavity of the second section.

In some embodiments, the second housing is collinear with the shaft center.

In some embodiments, a first groove is formed at one end of the second section, a protrusion corresponding to the first groove is formed at one end of the rotating shaft, and the protrusion is fitted in the first groove.

In some embodiments, the magnetic detection element is a hall element.

According to the utility model discloses a balance car of the embodiment of second aspect is including turning to detection device, turn to detection device for above-mentioned arbitrary embodiment turn to detection device.

Drawings

Fig. 1 is a schematic view of a steering detection device according to an embodiment of the present invention;

fig. 2 is an exploded view of a steering detection device according to an embodiment of the present invention;

fig. 3 is a cross-sectional view of a steering sensing device according to an embodiment of the present invention;

fig. 4 is a top view of a steering detection device according to an embodiment of the present invention;

fig. 5 is a schematic view of a first housing of a steering detection device according to an embodiment of the present invention;

fig. 6 is a schematic view of a second housing of the steering detection device according to an embodiment of the present invention.

Reference numerals:

the mounting seat 1, the boss 11, the mounting table 12, the second through hole 13,

a sleeve 2, a tube body 21, a connecting plate 22, a third through hole 221,

the rotation shaft 3, the protrusion 31, the second groove 32,

the reset piece (4) is arranged on the upper portion of the frame,

a limiting member (5) is provided,

the second connecting part (6) is provided with a connecting part,

a long hole 7 is limited in the circumferential direction,

the magnetic detection device comprises a positioning part 8, a first shell 81, a first through hole 811, a first connecting part 812, a second shell 82, a first section 821, a second section 822, a first groove 8221, a magnetic detection part 83 and a magnetic part 84.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1 and 2, according to the utility model discloses turn to detection device includes magnetism detection member 83, magnetism spare 84 and setting element 8, magnetism detection member 83 sets up for the automobile body of balance car is fixed, and pivot 3 sets up for the automobile body rotation of balance car, and pivot 3 links to each other with magnetism spare 84 in order to drive magnetism spare 84 and rotate, and magnetism spare 84 can produce stable magnetic field, and magnetism detection member 83 sets up according to the settlement mode relatively through setting element 8 and magnetism spare 84.

Specifically, magnetism detection piece 83 is fixed relatively with the automobile body of balance car, pivot 3 is rotatable for the automobile body of balance car, pivot 3 rotates after receiving the exogenic action to drive magnetism piece 84 and rotate, the magnetic field that magnetism piece 84 produced changes the direction thereupon, magnetism detection piece 83 sets up with magnetism piece 84 according to the settlement mode relatively, magnetism detection piece 83 is more sensitive to the change response in magnetic field, can judge the change direction in magnetic field fast accurately, thereby judge the rotation direction of pivot 3 and send turn signal.

According to the utility model discloses turn to detection device, set up magnetism detection piece 83 and magnetism spare 84 according to the mode of setting for relatively through setting element 8, effectively improved magnetism detection piece 83 and magnetism spare 84's relative position precision, improved magnetism detection piece 83's sensitivity.

In some embodiments, the rotating shaft 3 is rotatably mounted on the mounting seat 1, and the mounting seat 1 is used for assembling and integrating various components. Mount pad 1 and balance car's automobile body fixed connection, magnetism detects the piece 83 and establishes on mount pad 1, and pivot 3 rotationally is connected with mount pad 7, and from this, this embodiment will detect the piece 83 with magnetism, setting element 8, pivot 3 and the magnetism spare 84 that links to each other with the pivot all integrate to mount pad 1 on, be convenient for turn to detection device's maintenance and maintenance.

As shown in fig. 3, in some embodiments, the positioning element 8 includes a first housing 81 and a second housing 82, the second housing 82 is rotatably connected to the first housing 81, the first housing 81 is connected to the mounting base 1, the magnetic detection element 83 is disposed in the first housing 81, the first housing 81 and the magnetic detection element 83 are both fixed to the mounting base 1, the magnetic element 84 is disposed in the second housing 82, the second housing 82 is connected to the rotating shaft 3, the rotating shaft 3 drives the second housing 82 to rotate, and the second housing 82 drives the magnetic element 84 to rotate, so that the direction of the magnetic field generated by the magnetic element 84 is changed.

Therefore, the magnetic detection piece 83 and the magnetic piece 84 are integrated in the positioning piece, the relative distance between the magnetic detection piece 83 and the magnetic piece 84 is fixed, and the magnetic detection piece 83 and the magnetic piece 84 can only rotate relatively, so that the relative position accuracy of the magnetic detection piece 83 and the magnetic piece 84 is further improved.

Specifically, as shown in fig. 5 and 6, one end of the first housing 81 is connected to the mounting base 1, the other end of the first housing 81 is provided with a first through hole 811, the second housing 82 includes a first section 821 and a second section 822, the cross-sectional area of the first section 821 is larger than that of the second section 822, the first section 821 is located in the first housing 81, and the second section 822 passes through the first through hole 811 and is connected to the rotating shaft 3.

Specifically, the second through hole 13 is arranged on the mounting seat 1, the end portion of the first housing 81 is provided with a first connecting piece 812, the first connecting piece 812 penetrates through the second through hole 13 to connect the first housing 81 with the mounting seat 1, the first connecting piece 812 is a pair of buckles extending along the length direction of the first housing 81, the cross-sectional area of the portion of the first connecting piece 812 far away from the first housing 81 is larger than that of the portion of the first connecting piece 812 near the first housing 81, and after the first connecting piece 812 penetrates through the second through hole 13, one end of the first connecting piece 812 far away from the first housing 81 is clamped on the mounting seat 1 to detachably connect the first housing 81 with the mounting seat 1. The first connector 812 may also be a bolt or other connector.

It is understood that the first housing 81 and the second housing 82 are centrally collinear, and the second housing 82 includes a first section 821 and a second section 822, the first section 821 is clamped inside the first housing 81 through the first through hole 811, and the second section 822 extends from the first through hole 811 and is connected to the rotary shaft 3, whereby the second housing 82 can rotate relative to the first housing 81.

It should be noted that, the magnetic member 84 is connected to the second housing 82, and the magnetic member 84 is located at a side close to the magnetic detection member 83, so that the magnetic member 84 and the magnetic detection member 83 are closer to each other, which is beneficial to improve the accuracy of the magnetic detection member 83.

As shown in fig. 3, the first segment 821 has a cavity, a part of the magnetic detection element 83 is located in the cavity of the first segment 821, the second segment 822 has a cavity, the magnetic element 84 is disposed in the cavity of the second segment 822, the magnetic detection element and the magnetic element are disposed opposite to each other, and the shortest distance between the magnetic detection element 83 and the magnetic element 84 can be adjusted as required.

In some embodiments, the second housing 82 is aligned with the center of the shaft 3, and the shaft 3 is connected to the second housing 82 to rotate the second housing 82 and the magnetic member 84. Specifically, the end surface of the second section 822 is provided with a first groove 8221, the end surface of the rotating shaft 3 is provided with a protrusion 31 corresponding to the first groove 8221, the protrusion 31 of the rotating shaft 3 is fitted in the first groove 8221, so that the rotating shaft 3 is in transmission connection with the second housing 82, it should be noted that the first groove 8221 is a strip-shaped groove, and the first protrusion 31 is fitted in the first groove 8221.

According to the utility model discloses the balance car of on the other hand embodiment is including turning to detection device, turn to detection device and be according to the utility model discloses a turn to detection device. The balance car is characterized in that the magnetic detection piece 83 and the magnetic piece 84 are oppositely arranged according to a set mode, so that the relative position precision of the magnetic detection piece 83 and the magnetic piece 84 is effectively improved, the sensitivity of the magnetic detection piece 83 is improved, and the steering control of the balance car is more sensitive.

The pivot 3 of balance car still is equipped with second recess 32, and the extending direction of second recess 32 is the radial of pivot 3, and the material that resets 4 is elastic material, like silicon rubber elastomer, spring steel sheet etc. and the at least partial joint that resets 4 is in second recess 32. After the rotating shaft 3 rotates under the action of external force, the rotating shaft 3 applies pressure to the reset piece 4, and when the rotating shaft 3 loses the external force, the reset piece 4 drives the rotating shaft 3 to reset under the action of elastic force.

As shown in fig. 2, the reset piece 4 is a rectangular parallelepiped, the mounting base 1 is provided with a mounting table 12, the reset piece 4 is installed in the mounting table 12, and one side of the reset piece 4, which is far away from the mounting table 12, abuts against the bottom wall of the second groove 32. From this, according to the utility model discloses turn to detection device, the cooperation through piece and the second recess 32 that resets realizes the reseing of pivot 3, simple structure, the good reliability, production and assembly cost are low.

The second groove 32 is arranged along the radial direction of the rotating shaft 3, in other words, the length direction of the second groove 32 is the radial direction of the rotating shaft 3, when the rotating shaft 3 does not rotate, the bottom wall of the second groove 32 and the side surface of one side of the silicone rubber elastic body, which is far away from the mounting table 12, are parallel to each other and are attached to each other, and after the rotating shaft 3 rotates, the reset piece 4 applies opposite acting force to the bottom wall of the second groove 32, so that the rotating shaft 3 is reset. From this, according to the utility model discloses turn to detection device, the cooperation through silicon rubber elastomer and second recess 32 realizes the reseing of pivot 3, simple structure, the good reliability, production and assembly cost are low.

As shown in fig. 2 and 4, in some embodiments, the balance car further includes a sleeve 2 and a second connecting member 6, the sleeve 2 is sleeved outside the rotating shaft 3, and the sleeve 2 is connected to the mounting base 1 through the second connecting member 6. The sleeve 2 is used for providing support for the rotating shaft 3, the rotating shaft 3 can rotate relative to the sleeve 2 by a preset angle, and the second connecting piece 6 is used for fixing the sleeve 2 on the mounting seat 1.

Specifically, sleeve pipe 2 includes body 21 and connecting plate 22, and body 21 is run through to pivot 3, and connecting plate 22 establishes in the both sides of body 21, and connecting plate 22 is equipped with third through-hole 221, and the preferred screw of second connecting piece 6 is equipped with boss 11 on the mount pad 1, is equipped with first screw hole on the boss 11, and first screw hole is relative with third through-hole 221, and second connecting piece 6 passes the cooperation of third through-hole 221 in first screw hole in order to with boss 11 threaded connection. The number of second connecting members 6 is preferably four.

So set up, can fix connecting plate 22 on mount pad 1 through second connecting piece 6 steadily, relative movement can not take place easily for connecting plate 22.

As shown in fig. 3, the position of the second recess 32 coincides with the position of the sleeve 2, so that a window needs to be opened on the sleeve 2 for the second recess 32 to contact with the restoring member 4, and in some other embodiments, the second recess 32 may be opened at other positions, such as the second recess 32 is opened on the portion of the rotating shaft 3 protruding from the sleeve 2.

In some embodiments, the sleeve 2 is provided with a circumferential limiting long hole 7, and the steering detection device further includes a limiting member 5, where the limiting member 5 is used to limit the rotation angle of the rotating shaft 3, so that the rotating shaft 3 can only rotate by a predetermined angle relative to the sleeve 2. Specifically, the rotating shaft 3 is provided with a second threaded hole, the limiting member 5 penetrates through the circumferential limiting long hole 7 to be matched in the second threaded hole so as to be in threaded connection with the rotating shaft 3, therefore, the limiting member 5 can only move within the range of the circumferential limiting long hole 7, the maximum rotating angle of the rotating shaft 3 is limited, and the preset angle of the rotating shaft 3 can be adjusted by adjusting the length of the circumferential limiting long hole 7. For the convenience of assembly, the circumferential limiting long hole 7 is formed in one side far away from the mounting seat 1.

A steering detection device according to a specific example of the present invention is described below with reference to the drawings.

As shown in fig. 1 and 2, the steering detecting device according to the embodiment of the present invention includes a magnetic detecting member 83, a magnetic member 84, and a positioning member 8, and the magnetic detecting member 83 is preferably a hall element.

Magnetism detects piece 83 and establishes on mount pad 1, mount pad 1 and the automobile body fixed connection of balance car, the pivot 3 and the mount pad 1 of balance car rotationally are connected, setting element 8 includes first casing 81 and second casing 82, second casing 82 rotationally is connected with first casing 81, first casing 81 links to each other with mount pad 1, magnetism detects piece 83 and establishes in first casing 81, first casing 81 and magnetism detect piece 83 all with mount pad 1 relatively fixed, magnetism piece 84 establishes in second casing 82, second casing 82 links to each other with pivot 3.

The first housing 81 and the magnetic detector 83 are fixed relative to the mount 1. The centers of the first housing 81 and the second housing 82 are collinear, one end of the first housing 81 is connected with the mounting base 1, the other end of the first housing 81 is provided with a first through hole 811, the second housing 82 comprises a first section 821 and a second section 822, the cross-sectional area of the first section 821 is larger than that of the second section 822, the first section 821 is positioned in the first housing 81, and the second section 822 passes through the first through hole 811 to be connected with the rotating shaft 3.

The first section 821 is provided with a cavity, a part of the magnetic detection part 83 is located in the cavity of the first section 821, the second section 822 is provided with a cavity, the magnetic part 84 is installed in the cavity of the second section 822 in an embedded mode, the magnetic detection part and the magnetic part are arranged oppositely, and the shortest distance between the magnetic detection part 83 and the magnetic part 84 can be adjusted according to requirements.

The end surface of the second section 822 is provided with a first groove 8221, the end surface of the rotating shaft 3 is provided with a protrusion 31 corresponding to the first groove 8221, and the protrusion 31 of the rotating shaft 3 is matched in the first groove 8221 so as to enable the rotating shaft 3 to be in transmission connection with the second shell 82.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. The utility model provides a turn to detection device for detecting turning to of the pivot of balance car, its characterized in that includes: the magnetic detection part, the magnetic part and the positioning part;

the magnetic detection piece is fixedly arranged relative to the balance car body, the rotating shaft is rotatably arranged relative to the balance car body, and the rotating shaft is connected with the magnetic piece to drive the magnetic piece to rotate;

the magnetic detection piece is arranged opposite to the magnetic piece through the positioning piece according to a set mode.

2. The steering detecting device according to claim 1, wherein the rotating shaft is rotatably mounted on a mounting base, and the mounting base is connected with a vehicle body of the balance vehicle;

the magnetic detection piece and the positioning piece are arranged on the mounting seat.

3. The steering detection device according to claim 2, wherein the positioning member includes a first housing and a second housing, the second housing is rotatably connected to the first housing, the first housing is connected to the mount base, the magnetic detection member is provided in the first housing, and the magnetic member is provided in the second housing.

4. The steering detection device according to claim 3, wherein one end of the first housing is connected to the mount, the other end of the first housing is provided with a first through hole, the second housing includes a first section and a second section, the first section has a larger cross-sectional area than the second section, the first section is located in the first housing, and the second section passes through the first through hole and is connected to the rotating shaft.

5. The steering detection device according to claim 4, wherein a second through hole is formed in the mounting base, a first connecting piece is arranged at an end portion of the first housing, a cross-sectional area of a portion, away from the first housing, of the first connecting piece is larger than a cross-sectional area of a portion, adjacent to the first housing, of the first connecting piece, and the first connecting piece is clamped in the second through hole so that the first housing and the mounting base are detachably connected.

6. The steering sensing device of claim 4, wherein said first section has a cavity, at least a portion of said magnetic sensing member is located within said first section cavity, said second section has a cavity, and said magnetic member is located within said second section cavity.

7. The steering detecting apparatus according to claim 6, wherein the second housing is collinear with the center of the rotating shaft.

8. The steering sensing device according to claim 7, wherein one end of the second section is provided with a first groove, and one end of the shaft is provided with a projection corresponding to the first groove, the projection being fitted in the first groove.

9. The steering detection device according to any one of claims 1 to 8, wherein the magnetic detection member is a hall element.

10. A balance car characterized by comprising a steering detection device according to any one of claims 1 to 9.