CN210056495U

CN210056495U - Motor unlocking structure, motor assembly and wheelchair

Info

Publication number: CN210056495U
Application number: CN201920563064.0U
Authority: CN
Inventors: 李宗杰
Original assignee: Guangzhou Shiyuan Electronics Thecnology Co Ltd
Current assignee: Guangzhou Shiyuan Electronics Thecnology Co Ltd
Priority date: 2019-04-23
Filing date: 2019-04-23
Publication date: 2020-02-14
Anticipated expiration: 2029-04-23

Abstract

The utility model relates to the technical field of electric machine, and specifically disclose a motor unlocking structure, motor element and wheelchair, wherein, motor unlocking structure includes the casing, the knob, unlocking plate and unlocking switch, unlocking switch fixes on the motor and is connected with the motor electricity, the motor has the installation face of installation unlocking switch, the casing sets up on the installation face, unlocking switch locates in the casing, unlocking plate rotationally locates in the casing and selectivity drive unlocking switch is located unblock position or latched position, the knob is located one side that the casing deviates from the motor, the knob is connected with unlocking plate and is rotated in order to drive unlocking plate. The unlocking plate for controlling the unlocking switch is arranged in the shell, and the knob is arranged to drive the unlocking plate to rotate, so that the unlocking plate can be prevented from being exposed out of the shell, the size of the unlocking plate can be reduced, the space of the wheelchair before folding is optimized, and the small occupied space of the motor unlocking structure after the wheelchair is folded is ensured.

Description

Motor unlocking structure, motor assembly and wheelchair

Technical Field

The utility model relates to the technical field of motors, especially, relate to a motor unlocking structure, contain this motor unlocking structure's motor element and wheelchair.

Background

The wheelchair is an important tool for rehabilitation, not only is the wheelchair used as a travel tool for physically disabled persons and persons with mobility disabilities, but also more importantly, the wheelchair is used for physical exercise and participating in social activities.

The common wheelchair generally comprises a wheelchair frame, wheels, a brake device and a seat back. The hand-operated wheelchair is added with a hand-operated device on the basis of a common wheelchair. The electric wheelchair is additionally provided with an electronic power assisting system on the basis of a common wheelchair, so that the physical consumption of a user is reduced. On the basis of the electric wheelchair, the intelligent wheelchair is additionally provided with positioning movement, standing movement, remote control movement and related internet and auxiliary life.

No matter the electric wheelchair or the intelligent wheelchair is adopted, the motor is an indispensable power source. In order to improve the safety of the wheelchair, an unlocking structure is generally provided on the motor, and the motor is locked and unlocked by the unlocking structure. In the process of implementing the present invention, the inventor finds that the prior art has at least the following defects: as shown in fig. 1, the unlocking structure generally includes an unlocking handle 2 'disposed on the motor 1', the unlocking handle 2 'is rod-shaped, the length of the rod-shaped unlocking handle protruding from the surface of the motor 1' is large, the occupied area is large, the requirement on the space before and after folding the wheelchair is high, and the unlocking structure only indicates the unlocking direction, does not indicate the unlocking and locking states, and is inconvenient for the user to operate.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides an aim at: the motor unlocking structure is simple in unlocking or locking operation and small in occupied space.

The embodiment of the utility model provides a another aim at: the motor assembly is simple in structure and small in occupied space.

The embodiment of the utility model provides a still another aim at: a wheelchair is provided which is easy to fold.

To achieve the purpose, the embodiment of the present invention adopts the following technical solutions:

the first aspect provides a motor unlocking structure, including casing, knob, unlocking plate and unlocking switch, unlocking switch fix on the motor and with the motor electricity is connected, the motor has the installation unlocking switch's installation face, the casing sets up on the installation face, unlocking switch locates in the casing, unlocking plate rotationally locates in the casing and selective drive unlocking switch is located unblock position or latched position, the knob is located the casing deviates from one side of motor, the knob with unlocking plate connects in order to drive unlocking plate rotates.

As a preferable scheme of the motor unlocking structure, an indicating part is arranged on the knob, an unlocking mark and a locking mark are arranged on the shell, and the indicating part is selectively rotated to a position corresponding to the unlocking mark or the locking mark.

As a preferred scheme of motor unblock structure, the unlocking board is close to the one end of unblock switch is provided with the unblock convex part, the unblock switch includes unblock end and locking end, works as when the unlocking board rotates, unblock convex part selectivity with unblock end or locking end butt.

As an optimal scheme of motor unblock structure, still including fixed the setting the axis of rotation in the casing, the one end of axis of rotation with the first end of unblock board is connected, the other end with the center of knob is connected, be provided with the connecting axle on the knob, the one end of connecting axle is connected the one end of knob, the other end with the second end of unblock board is connected.

As a preferable scheme of the motor unlocking structure, the housing is a cylindrical structure with openings at two ends, and the housing is provided with an installation end face for installing the knob;

an annular limiting ring is convexly arranged on the mounting end face, a limiting groove is formed in the knob, and the limiting ring is inserted into the limiting groove; or, the mounting end face is annularly and concavely provided with a limiting groove, the knob is close to one end of the shell, the annular protrusion is provided with a plurality of limiting columns or the annular protrusion is provided with a limiting ring, and the limiting columns or the limiting rings are in splicing fit with the limiting groove.

As a preferred scheme of the motor unlocking structure, the knob is a structure with one open end and one sealed end, and the sealed end of the knob is provided with a decorative cover.

As an optimal scheme of the motor unlocking structure, the sealing end of the knob is provided with a bayonet, and the decorative cover is provided with a buckle matched with the bayonet in a clamping manner.

As a preferable scheme of the motor unlocking structure, an anti-skid convex part is convexly arranged on the outer peripheral wall of the knob; or, the peripheral wall of the knob is concavely provided with an anti-skid groove.

In a second aspect, a motor assembly is provided, which comprises a motor, and the motor unlocking structure is arranged on the motor.

In a third aspect, a wheelchair is provided, which comprises a wheelchair body, wherein the motor assembly is arranged on the wheelchair body.

The utility model discloses beneficial effect does: the unlocking plate for controlling the unlocking switch is arranged in the shell, and the knob is arranged to drive the unlocking plate to rotate, so that the unlocking plate can be prevented from being exposed out of the shell, the size of the unlocking plate can be reduced, the space of the wheelchair before folding is optimized, and the small occupied space of the motor unlocking structure after the wheelchair is folded is ensured.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Fig. 1 is a schematic structural view of a conventional motor.

Fig. 2 is a schematic structural view of a wheelchair according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a motor assembly according to an embodiment of the present invention.

Fig. 4 is a partially exploded view of fig. 3.

In fig. 1:

1', a motor; 2', unlocking the handle.

In fig. 2 to 4:

100. a motor unlocking structure;

1. a housing; 11. mounting an end face; 2. a knob; 21. an indicating section; 22. sealing the end; 23. a bayonet; 24. an anti-slip groove; 3. an unlocking plate; 31. an unlocking protrusion; 4. an unlock switch; 5. an unlock flag; 6. a locking flag; 7. a rotating shaft; 8. a connecting shaft; 9. a decorative cover; 91. buckling;

200. a motor; 300. a wheelchair body.

Detailed Description

In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

As shown in fig. 2 to 4, the embodiment of the utility model provides a motor unlocking structure 100, which comprises a housin 1, the knob 2, unlocking plate 3 and unlocking switch 4, unlocking switch 4 fixes on motor 200 and is connected with motor 200 electricity, motor 200 has installation face of installation unlocking switch 4, casing 1 sets up on the installation face, unlocking switch 4 locates in casing 1, unlocking plate 3 rotationally locates in casing 1, selective drive unlocking switch 4 is located unblock position or latched position, casing 1 one side that deviates from motor 200 is located to knob 2, knob 2 is connected with unlocking plate 3 and rotates with drive unlocking plate 3. The unlocking plate 3 for controlling the unlocking switch 4 is arranged in the shell 1, and the knob 2 is arranged to drive the unlocking plate 3 to rotate, so that the unlocking plate 3 can be prevented from being exposed out of the shell 1, the size of the unlocking plate 3 can be reduced, the space of the wheelchair before folding is optimized, and the small occupied space of the motor unlocking structure 100 after the wheelchair is folded is ensured.

In one embodiment, the knob 2 is provided with an indicating portion 21, the housing 1 is provided with an unlocking mark 5 and a locking mark 6, and the indicating portion 21 is selectively rotated to a position corresponding to the unlocking mark 5 or the locking mark 6. When the unlocking plate 3 rotates to cause the unlocking switch 4 to be located at the unlocking position, the indicating portion 21 faces the unlocking mark 5, and when the unlocking plate 3 rotates to cause the unlocking switch 4 to be located at the locking position, the indicating portion 21 faces the locking mark 6. By arranging the indicating part 21 and the mark, the position to which the unlocking plate 3 rotates can be intuitively known when the knob 2 is rotated, and the difficulty of the operation of an operator is reduced.

In the present embodiment, the indication portion 21 is a convex portion protruding from the outer peripheral wall of the knob 2, and the end of the convex portion extends to be flush with the outer wall of the housing 1 or protrudes from the outer wall of the housing 1, so that the position indicated by the indication portion 21 can be observed more clearly.

The outer peripheral wall of the shell 1 is pasted with colored stickers, and the stickers are provided with unlocking marks 5 and locking marks 6. In other embodiments, the unlocking marks 5 and the locking marks 6 may also be directly embossed or recessed on the housing 1, i.e. integrally formed with the housing 1.

In one embodiment, one end of the unlocking plate 3 close to the unlocking switch 4 is provided with an unlocking protrusion 31, the unlocking switch 4 comprises an unlocking end and a locking end, and when the unlocking plate 3 rotates, the unlocking protrusion 31 is selectively abutted to the unlocking end or the locking end. When the unlocking plate 3 rotates, the unlocking convex part 31 can be selected to abut against the unlocking end and the locking end on the unlocking switch 4, so that the unlocking plate 3 can smoothly realize the unlocking operation and the locking operation of the unlocking switch 4.

Of course, the unlocking plate 3 is not limited to the unlocking protrusion 31 for operating the unlocking switch 4, and the unlocking switch 4 may be directly activated by the rotatable end of the unlocking plate 3.

In an embodiment, the motor unlocking structure 100 further includes a rotating shaft 7 fixedly disposed in the housing 1, one end of the rotating shaft 7 is connected to the first end of the unlocking plate 3, the other end of the rotating shaft is connected to the center of the knob 2, a connecting shaft 8 is disposed on the knob 2, the connecting shaft 8 connects one end of the knob 2 to the center of the knob 2, and the other end of the connecting shaft is connected to the second end of the unlocking plate 3. The design can ensure that the knob 2 and the unlocking plate 3 synchronously rotate, and the rotating shaft 7 is simultaneously used as the rotating center of the knob 2 and the unlocking plate 3, so that the fixed parts of the knob 2 and the unlocking plate 3 are reduced, and the manufacturing cost is further reduced.

Optionally, the housing 1 is a cylindrical structure with openings at two ends, the housing 1 has a mounting end surface 11 for mounting the knob 2, an annular limiting ring is convexly disposed on the mounting end surface 11, and a limiting groove (not shown in the figure) is disposed on the knob 2, and the limiting ring is inserted into the limiting groove. Through setting up spacing ring and spacing groove, can prevent to take place vertical direction's removal when knob 2 rotates.

The knob 2 is of a structure with one end open and the other end closed, and the closed end 22 of the knob 2 is provided with a decorative cover 9. Through setting up dress trim cover 9, can shelter from structures such as trompil structure, axis of rotation 7 on the knob 2, promote the pleasing to the eye degree of outward appearance of whole motor unlocking structure 100.

Optionally, the sealing end 22 of the knob 2 is provided with a bayonet 23, and the decoration cover 9 is provided with a buckle 91 which is in snap fit with the bayonet 23. The bayonet 23 and the buckle 91 are matched to reduce the difficulty in assembling and disassembling, and the fixing mode of the decoration cover 9 is not limited to the bayonet 23 and the buckle 91, and a bonding or screw connection structure can be adopted, or the decoration cover 9 is screwed on the knob 2.

In other embodiments, the housing 1 is a tubular structure with openings at two ends, the housing 1 has a mounting end surface 11 for mounting the knob 2, a limiting groove is annularly and concavely arranged on the mounting end surface 11, a plurality of limiting posts or a limiting ring is annularly and convexly arranged at one end of the knob 2 close to the housing 1, and the limiting posts or the limiting ring are in plug-in fit with the limiting groove.

In one embodiment, the outer peripheral wall of the knob 2 is recessed with an anti-slip groove 24. By arranging the anti-slip groove 24, the situation that a user slips when rotating the knob 2 can be prevented, and the use of the user is convenient.

In other embodiments, the peripheral wall of the knob 2 is not limited to be provided with the anti-slip grooves 24, but may be provided with anti-slip protrusions, which may also perform an anti-slip function, or provided with an anti-slip rough layer or rubber layer on the peripheral wall of the knob 2.

The embodiment of the utility model provides a still provide a motor element, including motor 200, motor 200 is last to be provided with motor unlocking structure 100 as above arbitrary embodiment, and motor unlocking structure 100's detailed structure here is no longer repeated.

The embodiment of the utility model provides a wheelchair is still provided, including wheelchair body 300, the last motor element that is provided with of wheelchair body 300. The motor assembly is arranged on the rear wheel bracket of the wheelchair body 300, and the output shaft end of the motor 200 of the motor assembly is connected with the rear wheel so as to drive the rear wheel to rotate.

In the description herein, it is to be understood that the terms "upper," "lower," "left," "right," and the like are used in an orientation or positional relationship based on what is shown in the drawings for convenience of description and simplicity of operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting. Furthermore, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have any special meaning.

In the description herein, references to the description of "an embodiment," "an example" or the like are intended to 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 invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be appropriately combined to form other embodiments as will be appreciated by those skilled in the art.

The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.

Claims

1. The utility model provides a motor unlocking structure, its characterized in that, includes casing, knob, unlocking plate and unlocking switch, unlocking switch fix on the motor and with the motor electricity is connected, the motor has the installation unlocking switch's installation face, the casing sets up on the installation face, unlocking switch locates in the casing, unlocking plate rotationally locates in the casing and selective drive unlocking switch is located unblock position or latched position, the knob is located the casing deviates from one side of motor, the knob with unlocking plate connects in order to drive unlocking plate rotates.

2. The motor unlocking structure according to claim 1, wherein an indicating portion is provided on the knob, an unlocking index and a locking index are provided on the housing, and the indicating portion is selectively rotated to a position corresponding to the unlocking index or the locking index.

3. The motor unlocking structure according to claim 1, wherein an unlocking protrusion is provided at an end of the unlocking plate close to the unlocking switch, and the unlocking switch includes an unlocking end and a locking end, and when the unlocking plate rotates, the unlocking protrusion selectively abuts against the unlocking end or the locking end.

4. The motor unlocking structure according to claim 1, further comprising a rotating shaft fixedly disposed in the housing, wherein one end of the rotating shaft is connected to the first end of the unlocking plate, the other end of the rotating shaft is connected to the center of the knob, the knob is provided with a connecting shaft, one end of the connecting shaft is connected to one end of the knob, and the other end of the connecting shaft is connected to the second end of the unlocking plate.

5. The motor unlocking structure according to claim 1, wherein the housing is a cylindrical structure with both ends open, and the housing has a mounting end surface on which the knob is mounted;

6. The motor unlocking structure according to claim 5, wherein the knob is a structure with an opening at one end and a sealed end, and a decorative cover is arranged at the sealed end of the knob.

7. The motor unlocking structure of claim 6, wherein a bayonet is formed at the sealing end of the knob, and a buckle which is in clamping fit with the bayonet is arranged on the decorative cover.

8. The motor unlocking structure according to claim 1, wherein an outer peripheral wall of the knob is convexly provided with an anti-slip projection; or, the peripheral wall of the knob is concavely provided with an anti-skid groove.

9. An electric motor assembly comprising an electric motor, wherein the electric motor is provided with an electric motor unlocking structure according to any one of claims 1 to 8.

10. A wheelchair comprising a wheelchair body, wherein the wheelchair body is provided with a motor assembly as claimed in claim 9.