CN214104937U

CN214104937U - Rocker structure

Info

Publication number: CN214104937U
Application number: CN202022223949.1U
Authority: CN
Inventors: 陈小柏
Original assignee: Shenzhen Zhiwei Health Technology Co ltd
Current assignee: Shenzhen Zhiwei Health Technology Co ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-09-03
Anticipated expiration: 2030-09-30

Abstract

The utility model relates to the technical field of electric wheelchair devices, in particular to a rocker structure, which comprises a rocker body, an installation shell and a control circuit board, wherein the lower end of the rocker body is provided with a spherical ball part, a spherical cavity for accommodating the ball part is arranged in the installation shell, and the swinging of the rocker can drive the ball part to move in the spherical cavity; the lower end of the sphere part is provided with a magnetic part, and the control circuit board is matched with the magnetic part to generate and output a movement direction signal of the electric wheelchair according to the change condition of a magnetic field generated by the magnetic part when the rocker body is operated; an insulating protective shell is arranged on the periphery of the rocker body. The utility model has novel structure, the spherical cavity restrains the ball body part in the space, the ball body part is not easy to fall off, and the structure is reliable; wherein, the insulating protective housing can protect the rocker body, avoids external pollution or corruption, and the structure is reliable, convenient to use.

Description

Rocker structure

Technical Field

The utility model relates to an electronic wheelchair device technical field especially indicates a rocker structure.

Background

At present, most rocker structures on wheelchair controllers are complex in structure and inconvenient to use; in addition, most rocker structures have exposed rocker bodies, are easily corroded and polluted by the outside and have unreliable structures.

Disclosure of Invention

The utility model provides a rocker structure aiming at the problems of the prior art, the structure is novel, the spherical cavity restrains the ball body part in the space, the ball body part is not easy to fall off, and the structure is reliable; wherein, the insulating protective housing can protect the rocker body, avoids external pollution or corruption, and the structure is reliable, convenient to use.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the utility model provides a rocker structure, including rocker body, installation shell and control circuit board, the lower extreme of rocker body is provided with globular spheroid portion, be provided with in the installation shell and be used for holding the spheroid portion's spherical cavity, the swing of rocker can drive spheroid portion activity in spherical cavity; the lower end of the sphere part is provided with a magnetic part, and the control circuit board is matched with the magnetic part to generate and output a movement direction signal of the electric wheelchair according to the change condition of a magnetic field generated by the magnetic part when the rocker body is operated; an insulating protective shell is arranged on the periphery of the rocker body.

The front side and the rear side of the spherical cavity are provided with limiting grooves, the two sides of the inner wall of the spherical cavity are provided with limiting convex shafts matched with the limiting grooves, and the limiting convex shafts slide in the limiting grooves.

The upper end of the mounting shell is buckled with an upper cover, the lower end of the mounting shell is provided with a mounting groove, the control circuit board is arranged in the mounting groove, and the mounting groove is communicated with the spherical cavity; the lower end of the mounting shell is detachably connected with a bottom cover, the bottom cover is provided with an opening, the control circuit board is provided with an electric connector, and the electric connector is exposed to the opening.

The upper end face of the mounting shell is provided with a plurality of buckling grooves in an evenly-spaced mode, the lower end face of the upper cover is provided with a plurality of buckling blocks in an evenly-spaced mode, and the buckling blocks are matched and buckled with the buckling grooves.

The inner wall of the mounting groove is provided with a plurality of positioning blocks in an equally spaced mode, and the outer edge of the control circuit board is provided with a plurality of positioning grooves matched with the positioning blocks in an equally spaced mode.

Wherein, the edge of installation shell all is provided with the mounting hole.

The lower end of the installation shell is provided with a convex ring part, the bottom cover is provided with a concave table, and the convex ring part is sleeved with the concave table.

The insulation protection shell comprises a middle silica gel shell, the lower end of the middle silica gel shell is sleeved on the periphery of the upper cover, and the outer wall of the middle silica gel shell is arranged in a wavy mode from top to bottom.

The insulating protective shell further comprises an insulating handle, and the insulating handle is sleeved at the upper end of the rocker body.

The rocker structure further comprises a reset assembly, the reset assembly comprises an upper rod sleeve, a lower rod sleeve and a spring, the upper rod sleeve is fixedly sleeved on the periphery of the rocker body in a fixing mode, the spring is movably sleeved on the periphery of the rocker body in a sleeving mode, the lower rod sleeve is sleeved on the lower end of the rocker body in a sliding mode, the upper end of the spring is fixedly connected with the upper rod sleeve, and the lower end of the spring is connected with the lower rod sleeve; the upper end face of the upper cover is provided with a through hole, the cross section of the through hole is in a trapezoidal arrangement, the lower rod sleeve is accommodated in the through hole, the cross section of the lower rod sleeve is in a trapezoidal arrangement, and the lower rod sleeve is in matched butt joint with the inner wall of the through hole.

The utility model has the advantages that:

the utility model has novel structure and ingenious design, and the spherical cavity is matched with the sphere part, so that when the rocker body is operated, the rocker rotates along the circle center of the sphere part, wherein the sphere part is restrained in the space by the spherical cavity, and the rocker is not easy to fall off and has reliable structure; the control circuit board is used for converting magnetic change generated by the movement of the magnetic part into a motion direction signal of the electric wheelchair, and the wheelchair controller is used for driving the electric wheelchair to act through the motion direction signal of the electric wheelchair; further, the utility model discloses be provided with the insulating protective housing, can protect the rocker body, avoid external pollution or corruption, the structure is reliable, convenient to use.

Drawings

Fig. 1 is a schematic structural diagram of a rocker structure of the present invention.

Fig. 2 is an exploded view of the rocker structure of the present invention.

Fig. 3 is an exploded view of another perspective structure of a rocker structure according to the present invention.

The reference numerals in fig. 1 to 3 include:

1. a rocker body; 2. mounting a shell; 3. a control circuit board; 4. a spherical portion; 5. a spherical cavity; 6. a magnetic member; 7. a limiting groove; 8. a limit convex shaft; 9. an upper cover; 10. mounting grooves; 12. a bottom cover; 13. an opening; 14. an electrical connector; 15. buckling grooves; 16. buckling blocks; 17. positioning blocks; 18. positioning a groove; 19. mounting holes; 20. a convex ring part; 21. a concave platform; 22. a middle silica gel shell; 23. an insulating handle; 24. a rod sleeve is arranged; 25. a lower rod sleeve; 26. a spring; 27. and a through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention. It is to be understood that the drawings are designed solely for the purposes of illustration and description and not as a definition of the limits of the invention. The connection relationships shown in the drawings are for clarity of description only and do not limit the manner of connection.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It should also be noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; either mechanically or electrically, and may be internal to both elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

It should be further noted that in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

A rocker structure is shown in figures 1 to 3 and comprises a rocker body 1, a mounting shell 2 and a control circuit board 3, wherein a spherical ball part 4 is arranged at the lower end of the rocker body 1, a spherical cavity 5 for accommodating the ball part 4 is arranged in the mounting shell 2, and the swinging of a rocker can drive the ball part 4 to move in the spherical cavity 5; the lower end of the sphere part 4 is provided with a magnetic part 6, and the control circuit board 3 is matched with the magnetic part 6 to generate and output a movement direction signal of the electric wheelchair according to the change condition of a magnetic field generated by the magnetic part 6 when the rocker body 1 is operated; an insulating protective shell is arranged on the periphery of the rocker body 1. Specifically, the utility model discloses novel structure, design benefit through spherical cavity 5 with spheroid portion 4 cooperation, make when operating rocker body 1, the rocker rotates along the centre of a circle of spheroid portion 4, wherein, spherical cavity 5 restricts spheroid portion 4 in its space, be difficult for droing, the structure is reliable; in addition, the control circuit board 3 based on the Hall principle is arranged, wherein the control circuit board 3 is provided with a Hall sensor which is matched with the magnetic part 6, the magnetic change generated by the movement of the magnetic part 6 is converted into a motion direction signal of the electric wheelchair, and the motion of the electric wheelchair is driven by the motion direction signal of the electric wheelchair through a rocker structure; further, this embodiment is provided with the insulating protective housing, can protect rocker body 1, avoids external pollution or corruption, and the structure is reliable, convenient to use.

In the rocker structure of this embodiment, both sides all are provided with spacing recess 7 around the spheroid portion 4, the inner wall both sides of spherical chamber 5 all be provided with spacing protruding axle 8 of spacing recess 7 complex, spacing protruding axle 8 slide in spacing recess 7. Particularly, the rocker body 1 can move forwards, backwards, leftwards and rightwards conveniently through the arrangement, the structure is simplified, and the installation is more convenient.

In the rocker structure of this embodiment, the upper end of the mounting shell 2 is fastened with the upper cover 9, the lower end of the mounting shell 2 is provided with the mounting groove 10, the control circuit board 3 is installed in the mounting groove 10, and the mounting groove 10 is communicated with the spherical cavity 5; a bottom cover 12 is detachably connected to the lower end of the mounting shell 2, the bottom cover 12 is provided with an opening 13, the control circuit board 3 is provided with electrical connectors 14, and the electrical connectors 14 are exposed to the opening 13. Specifically, the installation is convenient to assemble and disassemble, the installation groove 10 is communicated with the spherical cavity 5, and the control circuit board 3 is convenient to convert the magnetic change generated by the movement of the magnetic part 6 into a movement direction signal of the electric wheelchair; wherein, the electric connector 14 is convenient for the utility model discloses realize controlling electronic wheelchair with electronic wheelchair equipment together.

In the rocker structure of this embodiment, the upper end surface of the mounting shell 2 is provided with a plurality of fastening grooves 15 at equal intervals, the lower end surface of the upper cover 9 is provided with a plurality of fastening blocks 16 at equal intervals, and the fastening blocks 16 are matched and fastened with the fastening grooves 15. Specifically, the fastening block 16 is fastened to the fastening groove 15, so that the upper cover 9 and the mounting shell 2 are assembled together conveniently.

In the rocker structure of this embodiment, the inner wall of the mounting groove 10 is provided with a plurality of positioning blocks 17 at equal intervals, and the outer edge of the control circuit board 3 is provided with a plurality of positioning grooves 18 at equal intervals, which are matched with the positioning blocks 17. Specifically, the control circuit board 3 is convenient to mount through the arrangement, and the mounting accuracy of the control circuit board 3 is guaranteed.

In the rocker structure of this embodiment, the corners of the mounting case 2 are provided with mounting holes 19. Specifically, the installation holes 19 are arranged to facilitate the assembly of the installation shell 2 with the electric wheelchair through screws.

In the rocker structure of this embodiment, the lower end of the mounting shell 2 is provided with a convex ring portion 20, the bottom cover 12 is provided with a concave table 21, and the concave table 21 is sleeved on the convex ring portion 20. In particular, the above arrangement facilitates the assembly of the bottom cover 12 and the mounting case 2, and preferably, the corners of the bottom cover 12 are provided with through holes, which are arranged corresponding to the mounting holes 19.

In the rocker structure of this embodiment, the insulating protective housing includes a middle silica gel shell 22, a lower end of the middle silica gel shell 22 is sleeved on an outer periphery of the upper cover 9, and an outer wall of the middle silica gel shell 22 is arranged in a wavy manner from top to bottom; the insulation protection shell further comprises an insulation handle 23, and the insulation handle 23 is sleeved at the upper end of the rocker body 1. Specifically, insulating handle 23 and middle part silica gel shell 22 all play anticorrosion, anti-pollution effect, make things convenient for operating personnel to use, the outer wall of middle part silica gel shell 22 is wavy setting from last to being down, conveniently produces deformation, adapts to the swing of rocker.

The rocker structure of this embodiment, the rocker structure further includes a reset assembly, the reset assembly includes an upper rod sleeve 24, a lower rod sleeve 25 and a spring 26, the upper rod sleeve 24 is fixedly sleeved on the periphery of the rocker body 1, the spring 26 is movably sleeved on the periphery of the rocker body 1, the lower rod sleeve 25 is slidably sleeved on the lower end of the rocker body 1, the upper end of the spring 26 is fixedly connected with the upper rod sleeve 24, and the lower end of the spring 26 is connected with the lower rod sleeve 25; the up end of upper cover 9 is provided with through-hole 27, the cross-section of through-hole 27 is trapezoidal setting, lower beam sleeve 25 hold establish in through-hole 27, lower beam sleeve 25's cross-section is trapezoidal setting, lower beam sleeve 25 with the inner wall cooperation butt of through-hole 27. Particularly, the arrangement facilitates the reset of the rocker body 1 and the shaking of the rocker body 1, and the rocker is convenient to use and compact in structure.

The above description is only for the preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention is disclosed in the preferred embodiment, it is not limited to the above description, and any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, but all the technical solutions of the present invention are within the scope of the present invention.

Claims

1. A rocker structure which is characterized in that: the rocker comprises a rocker body, a mounting shell and a control circuit board, wherein a spherical ball part is arranged at the lower end of the rocker body, a spherical cavity for accommodating the ball part is arranged in the mounting shell, and the swing of the rocker can drive the ball part to move in the spherical cavity; the lower end of the sphere part is provided with a magnetic part, and the control circuit board is matched with the magnetic part to generate and output a movement direction signal of the electric wheelchair according to the change condition of a magnetic field generated by the magnetic part when the rocker body is operated; an insulating protective shell is arranged on the periphery of the rocker body.

2. A rocker structure as claimed in claim 1, wherein: the front side and the rear side of the spherical part are both provided with limiting grooves, the two sides of the inner wall of the spherical cavity are both provided with limiting convex shafts matched with the limiting grooves, and the limiting convex shafts slide in the limiting grooves.

3. A rocker structure as claimed in claim 1, wherein: the upper end of the mounting shell is buckled with an upper cover, the lower end of the mounting shell is provided with a mounting groove, the control circuit board is arranged in the mounting groove, and the mounting groove is communicated with the spherical cavity; the lower end of the mounting shell is detachably connected with a bottom cover, the bottom cover is provided with an opening, the control circuit board is provided with an electric connector, and the electric connector is exposed to the opening.

4. A rocker structure as claimed in claim 3, wherein: the equal-spacing ring of the upper end surface of the mounting shell is provided with a plurality of buckling grooves, the equal-spacing ring of the lower end surface of the upper cover is provided with a plurality of buckling blocks, and the buckling blocks are matched and buckled with the buckling grooves.

5. A rocker structure as claimed in claim 3, wherein: the inner wall of mounting groove is equipped with a plurality of locating pieces with the equidistant ring, the outer fringe of control circuit board is provided with a plurality of constant head tanks with locating piece complex at the equidistant.

6. A rocker structure as claimed in claim 3, wherein: the edge of installation shell all is provided with the mounting hole.

7. A rocker structure as claimed in claim 3, wherein: the lower extreme of installation shell is provided with protruding ring portion, the bottom is provided with the concave station, the concave station cover is located protruding ring portion.

8. A rocker structure as claimed in claim 3, wherein: the insulation protection shell comprises a middle silica gel shell, the lower end of the middle silica gel shell is sleeved on the periphery of the upper cover, and the outer wall of the middle silica gel shell is wavy from top to bottom.

9. A rocker structure as claimed in claim 3, wherein: the insulating protective housing still includes insulating handle, insulating handle cover is located the upper end of rocker body.

10. A rocker structure as claimed in claim 3, wherein: the rocker structure further comprises a reset assembly, the reset assembly comprises an upper rod sleeve, a lower rod sleeve and a spring, the upper rod sleeve is fixedly sleeved on the periphery of the rocker body in a fixed mode, the spring is movably sleeved on the periphery of the rocker body in a sleeved mode, the lower rod sleeve is sleeved on the lower end of the rocker body in a sliding mode, the upper end of the spring is fixedly connected with the upper rod sleeve, and the lower end of the spring is connected with the lower rod sleeve; the upper end face of the upper cover is provided with a through hole, the cross section of the through hole is in a trapezoidal arrangement, the lower rod sleeve is accommodated in the through hole, the cross section of the lower rod sleeve is in a trapezoidal arrangement, and the lower rod sleeve is in matched butt joint with the inner wall of the through hole.