CN217481813U - Braking device, wheel body assembly and walking aid - Google Patents
Braking device, wheel body assembly and walking aid Download PDFInfo
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- CN217481813U CN217481813U CN202220230883.5U CN202220230883U CN217481813U CN 217481813 U CN217481813 U CN 217481813U CN 202220230883 U CN202220230883 U CN 202220230883U CN 217481813 U CN217481813 U CN 217481813U
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- 238000004519 manufacturing process Methods 0.000 description 2
- 241001272996 Polyphylla fullo Species 0.000 description 1
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Abstract
The utility model discloses a braking device, a wheel body component and a walking aid, the braking device comprises a shaft body, a shell, a first electromagnetic mechanism, a second electromagnetic mechanism and a brake, the shell is sleeved outside the shaft body, the first electromagnetic mechanism and the second electromagnetic mechanism are respectively annular and are mutually nested, the first electromagnetic mechanism is fixedly connected with the shell, the second electromagnetic mechanism is fixedly connected with the shaft body, the first electromagnetic mechanism can drive the shell to rotate relative to the second electromagnetic mechanism, at least part of the brake is arranged in the first electromagnetic mechanism and the second electromagnetic mechanism, the brake can act on the shell to brake the shell, the space occupied by the brake can be reduced by arranging at least part of the brake in the first electromagnetic mechanism and the second electromagnetic mechanism, the assembly and the overall structure of the brake and the first electromagnetic mechanism and the second electromagnetic mechanism for driving the shell are simpler, and further the preparation process is simpler.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to arresting gear, wheel body subassembly and help capable ware.
Background
Walking assisting equipment such as a walking aid can assist people with lower limb pathological changes or old people and other people with inconvenient actions to walk. For example, the walking aid may comprise a main frame and wheels connected to the bottom of the main frame, and the user can hold and push the main frame with both hands to move his body.
The wheel body is arranged below the main body frame, so that the user can move more easily, but potential safety hazards exist, and therefore, the braking device is very necessary to be arranged corresponding to the wheel body. At present, the braking device of the walking aid is generally arranged outside the wheel body, and the occupied space is large, so that the structure and the installation of the walking aid are more complicated.
SUMMERY OF THE UTILITY MODEL
The utility model provides a arresting gear, wheel body subassembly and help capable ware to arresting gear occupation space is big among the solution prior art, causes the structure that helps capable ware and installs complicated technical problem.
In order to solve the above technical problem, the utility model discloses a technical scheme provide a braking device, include:
a shaft body;
the shell is sleeved outside the shaft body and is coaxially arranged with the shaft body, and the shell can rotate relative to the shaft body;
the first electromagnetic mechanism and the second electromagnetic mechanism are respectively annular and are nested with each other, the first electromagnetic mechanism is fixedly connected with the shell, the second electromagnetic mechanism is fixedly connected with the shaft body, and the first electromagnetic mechanism and the second electromagnetic mechanism can interact with each other to enable the first electromagnetic mechanism to drive the shell to rotate relative to the second electromagnetic mechanism;
a brake disposed at least partially within the first and second electromagnetic mechanisms, the brake being capable of acting on the housing to brake the housing.
In a specific embodiment, a projection of the brake in a radial direction of the first electromagnetic mechanism at least partially overlaps a projection of the first electromagnetic mechanism and/or the second electromagnetic mechanism in a radial direction of the first electromagnetic mechanism.
In a specific embodiment, a projection of the brake in a radial direction of the first electromagnetic mechanism falls entirely within a projection of the first electromagnetic mechanism and/or the second electromagnetic mechanism in a radial direction of the first electromagnetic mechanism.
In a specific embodiment, the first electromagnetic mechanism includes a plurality of first magnets, the plurality of first magnets are disposed on the inner wall of the housing at intervals along the circumferential direction of the housing, the second electromagnetic mechanism includes a first magnetic induction element and a first coil wound on the first magnetic induction element, and the brake is connected to the second electromagnetic mechanism; the braking device further comprises a first side cover and a second side cover, the first side cover and the second side cover are respectively covered on two sides of the shell, the brake comprises a braking part, a first abutting part and an elastic part, the braking part is connected with the first side cover or the second side cover, one end of the elastic part is abutted against the first abutting part, so that the first abutting part is abutted against the braking part, and the shell is braked.
In a specific embodiment, the first abutting part is a second magnet, the brake further includes a second magnetic induction part and a second coil wound on the second magnetic induction part, and the second magnet can interact with the second magnetic induction part and the second coil, so that the second magnet moves in a direction away from the braking part, and the brake on the housing is released.
In an embodiment, the first abutting part can be forced to move in a direction away from the braking part, so that the braking on the shell is released.
In a specific embodiment, the braking device further includes a handle and a connecting mechanism, the handle is disposed outside the first side cover or the second side cover, and the handle is connected to the first abutting member through the connecting mechanism, the handle can receive an acting force, and the connecting mechanism is configured to transmit the acting force to the first abutting member, so that the first abutting member can move in a direction away from the braking member.
In one embodiment, the connecting mechanism includes a housing case and a cover body covering the housing case, the braking piece, the first abutting piece and the elastic piece are arranged between the containing shell and the cover body, a first containing groove is formed on one side of the containing shell back to the cover body, the connecting mechanism further comprises a ball, a second abutting piece and a connecting piece, at least part of the ball is accommodated in the first accommodating groove, the second abutting piece abuts against the ball, the second abutting piece is provided with a second containing groove, at least part of the ball can be contained in the second containing groove, the connecting piece abuts against one side of the second abutting piece, which is back to the ball, and the connecting piece is connected with the first abutting-connection piece, and the handle can drive the connecting piece to rotate relative to the containing shell.
In order to solve the technical problem, the utility model discloses an another technical scheme provides a wheel body subassembly, include:
the braking device as described above, wherein the casing is disposed in a circular shape and is used as a wheel body; or alternatively
According to the braking device and the wheel body, the wheel body is connected with the shell or the shaft body.
In order to solve the technical problem, the utility model discloses a another technical scheme provides a help capable ware, reach as above-mentioned wheel body subassembly including the main part frame, the wheel body subassembly rotate connect in the bottom of main part frame.
The utility model discloses arresting gear includes the axis body, a housing, first electromagnetic mechanism, second electromagnetic mechanism and stopper, the casing cover is located outside the axis body, and with the coaxial setting of axis body, the casing can rotate relative to the axis body, first electromagnetic mechanism and second electromagnetic mechanism are the annular respectively, and nested setting each other, first electromagnetic mechanism and casing fixed connection, second electromagnetic mechanism and axis body fixed connection, first electromagnetic mechanism can interact with second electromagnetic mechanism so that first electromagnetic mechanism can drive the casing and rotate relative second electromagnetic mechanism, at least part of stopper sets up in first electromagnetic mechanism and second electromagnetic mechanism, the stopper can act on the casing, brake the casing, through setting up at least part of stopper in first electromagnetic mechanism and second electromagnetic mechanism, can reduce the space that the stopper occupy, make the stopper with be used for driving the first electromagnetic mechanism of casing, The assembly and the overall structure of the second electromagnetic mechanism are simpler, and the preparation process is simpler.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
fig. 1 is a schematic perspective view of an embodiment of the braking device of the present invention;
fig. 2 is a schematic perspective view of another perspective of the braking device of the present invention;
fig. 3 is an exploded view of an embodiment of the braking device of the present invention;
fig. 4 is a schematic cross-sectional view of an embodiment of the braking device of the present invention;
fig. 5 is an exploded view of a brake according to an embodiment of the present invention;
fig. 6 is an exploded view of an embodiment of the brake of the present invention from another perspective;
fig. 7 is a schematic cross-sectional view of a brake according to an embodiment of the present invention;
fig. 8 is a schematic perspective view of a first side cover according to an embodiment of the braking device of the present invention;
fig. 9 is a schematic perspective view of another embodiment of the braking device of the present invention;
FIG. 10 is a schematic perspective view of a wheel assembly according to an embodiment of the present invention;
FIG. 11 is a schematic perspective view of an embodiment of the walker of the present invention;
FIG. 12 is a perspective view of another embodiment of the walker.
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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
The terms "first", "second" and "first" in this application are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless explicitly specifically limited otherwise. 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 but may alternatively include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. While the term "and/or" is merely one type of association that describes an associated object, it means that there may be three types of relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter associated objects are in an "or" relationship.
Referring to fig. 1 to 4, an embodiment of the braking device 100 of the present invention includes a shaft 110, a housing 120, a first electromagnetic mechanism 130, a second electromagnetic mechanism 140, and a brake 150, wherein the housing 120 is disposed outside the shaft 110 and coaxial with the shaft 110, the housing 120 is capable of rotating relative to the shaft 110, the first electromagnetic mechanism 130 and the second electromagnetic mechanism 140 are respectively annular and are disposed in a nested manner, the first electromagnetic mechanism 130 is fixedly connected to the housing 120, the second electromagnetic mechanism 140 is fixedly connected to the shaft 110, the first electromagnetic mechanism 130 and the second electromagnetic mechanism 140 are capable of interacting with each other to enable the first electromagnetic mechanism 130 to drive the housing 120 to rotate relative to the second electromagnetic mechanism 140, the brake 150 is at least partially disposed in the first electromagnetic mechanism 130 and the second electromagnetic mechanism 140, the brake 150 is capable of acting on the housing 120 to brake the housing 120, at least a portion of the brake 150 is disposed in the first electromagnetic mechanism 130 and the second electromagnetic mechanism 140, the space occupied by the brake 150 can be reduced, so that the assembly and the overall structure of the brake 150 and the first and second electromagnetic mechanisms 130 and 140 for driving the housing 120 are simpler, and the manufacturing process is also simpler.
In the present embodiment, the projection of the brake 150 in the radial direction of the first electromagnetic mechanism 130 at least partially overlaps the projection of the first electromagnetic mechanism 130 and/or the second electromagnetic mechanism 140 in the radial direction of the first electromagnetic mechanism 130, so that the space occupied by the brake 150 can be reduced, and the assembly and the overall structure of the brake 150 and the first electromagnetic mechanism 130 and the second electromagnetic mechanism 140 for driving the housing 120 are simpler.
In the present embodiment, the projection of the brake 150 in the radial direction of the first electromagnetic mechanism 130 falls into the projection of the first electromagnetic mechanism 130 and/or the second electromagnetic mechanism 140 in the radial direction of the first electromagnetic mechanism 130, so that the space occupied by the brake 150 can be further reduced, and the assembly and the overall structure of the brake 150 and the first electromagnetic mechanism 130 and the second electromagnetic mechanism 140 for driving the housing 120 are simpler.
Referring to fig. 5 to 7 together, in this embodiment, the first electromagnetic mechanism 130 may include a plurality of first magnets 131, the plurality of first magnets 131 are disposed on the inner wall of the housing 120 at intervals along the circumferential direction of the housing 120, the second electromagnetic mechanism 140 includes a first magnetic sensing element 141 and a first coil 142 wound on the first magnetic sensing element 141, and the brake 150 is connected to the second electromagnetic mechanism 140; the braking device 100 may further include a first side cover 160 and a second side cover 170, the first side cover 160 and the second side cover 170 are respectively disposed on two sides of the housing 120 and fixedly connected to the housing 120, the brake 150 may include a braking member 151, a first abutting member 152, and an elastic member 153, the braking member 151 is connected to the first side cover 160 and can rotate along with the first side cover 160, one end of the elastic member 153 abuts against the first abutting member 152 to abut against the first abutting member 152 and the braking member 151, and further the housing 120 is braked.
Specifically, the first abutting element 152 is stationary relative to the axle body 110 along the circumferential direction of the axle body 110 (i.e., the first abutting element 152 cannot rotate relative to the axle body 110), and the first abutting element 152 can be pressed towards the braking element 151 under the elastic force of the elastic element 153, so as to perform a braking action on the first side cover 160, and further, the housing 120 can be braked along with the first side cover 160.
Referring to fig. 8, in the present embodiment, a non-circular limiting hole 101 is formed on the braking member 151, a limiting protrusion 161 corresponding to the limiting hole 101 is disposed on the first side cover 160, at least a portion of the limiting protrusion 161 is received in the limiting hole 101, the first abutting member 152 abuts against the braking member 151 under the elastic force of the elastic member 153 to generate a friction force, so that the braking member 151 is stationary relative to the abutting member 152, and the first side cover 160 cannot rotate relative to the shaft body 110 any more, thereby achieving braking.
In other embodiments, the stopping member 151 can abut against the second side cover 170 for limiting, and is not limited herein.
In this embodiment, the first abutting member 152 acts to move the first abutting member 152 in a direction away from the braking member 151 against the urging force of the elastic member 153, so that the first abutting member 152 is spaced from the braking member 151, thereby releasing the braking.
In this embodiment, the first abutting part 152 may be a second magnet, and the brake 150 may further include a second magnetic induction part 154 and a second coil 155 wound on the second magnetic induction part 154, and the second magnet may interact with the second magnetic induction part 154 and the second coil 155, so that the second magnet moves in a direction away from the braking part 151, and the brake on the housing 120 is released.
Specifically, through second coil 155 circular telegram production magnetic field, act on first butt piece 152 to the realization need not user's manual operation braking to the release of the braking of casing 120, automatic, intelligent degree is better, and through setting arresting gear 100 to braking when not circular telegram, removes the braking during the circular telegram, can avoid the circuit to break down when needs braking and cause the potential safety hazard, and the security is higher.
In this embodiment, the first abutting part 152 can be forced to move away from the braking part 151, so as to release the braking of the housing 120.
In this embodiment, the braking device 100 may further include a handle 180 and a connecting mechanism 190, the handle 180 is disposed outside the second side cover 170, the handle 180 is connected to the first abutting member 152 through the connecting mechanism 190, the handle 180 can receive the acting force, and the connecting mechanism 190 is configured to transmit the acting force to the first abutting member 152, so that the first abutting member 152 can move in a direction away from the braking member 151. The brake on the housing 120 is released by the manual biasing, which can improve reliability.
In other embodiments, the handle 180 may be disposed outside the first side cover 160, which is not limited herein.
In other embodiments, the braking device 100 may also include one of an electric brake release or a manual brake release, which is not limited herein.
In this embodiment, the connecting mechanism 190 includes a housing shell 191 and a cover 192 covering the housing shell 191, the stopper 151, the first abutting member 152 and the elastic member 153 are disposed between the housing shell 191 and the cover 192, specifically, a housing cavity 102 may be formed on a side of the housing shell 191 facing the cover 192, the elastic member 153 is at least partially housed in the housing cavity 102, a first housing groove 103 is formed on a side of the housing shell 191 facing away from the cover 192, the connecting mechanism 190 further includes a ball 193, a second abutting member 194 and a connecting member 195, at least a portion of the ball 193 is housed in the first housing groove 103, the second abutting member 194 abuts against the ball 193, a side of the second abutting member 194 facing the housing shell 191 is formed with a second housing groove 104, at least a portion of the ball 193 can be housed in the second housing groove 104, the connecting member 195 abuts against a side of the second abutting member 194 facing away from the ball 193, and the connecting member 195 is connected to the first abutting member 152 through a fixing member 196, the handle 180 can drive the connecting member 195 to rotate relative to the accommodating shell 191, so that at least a portion of the ball 193 is accommodated in the second accommodating groove 104 or separated from the second accommodating groove 104.
Specifically, when at least a portion of the ball 193 is accommodated in the second accommodating groove 104, the second abutting part 194 and the connecting part 195 are close to the accommodating shell 191, the first abutting part 152 is pressed toward the detent 151 under the elastic force of the elastic part 153, and when the handle 180 drives the connecting part 195 to rotate relative to the accommodating shell 191, the ball 193 is separated from the second accommodating groove 104 and abuts against a portion of the second abutting part 194 where the second accommodating groove 104 is not provided, so that the second abutting part 194 drives the connecting part 195 to move in a direction away from the accommodating shell 191, and the first abutting part 152 is driven to move in a direction away from the detent 151 against the acting force of the elastic part 153, so that the first abutting part 152 is spaced from the detent 151, and the release of the braking of the housing 120 is realized.
In this embodiment, the connecting mechanism 190 may further include a connecting plate 197, one end of the connecting plate 197 is fixedly connected to the handle 180, the other end of the connecting plate 197 is formed with a limiting protrusion 198, the second abutting piece 194 is formed with a limiting groove 105, and the limiting protrusion 198 is matched with the limiting groove 105, so that the second abutting piece 194 can rotate along with the connecting plate 197.
In this embodiment, the braking device 100 may further include a first bearing 111 and a second bearing 112, the first bearing 111 is disposed between the first side cover 160 and the shaft body 110, and the second bearing 112 is disposed between the second side cover 170 and the shaft body 110.
In this embodiment, a through hole (not shown) may be formed on the first side cover 160, and the fixing member 113 penetrates through the through hole to connect with the shaft 110.
Referring to fig. 9, in another embodiment, the first side cover 160 may be disposed in a closed shape, i.e., without a through hole, so as to improve the waterproof and dustproof performance of the braking device 100.
Referring to fig. 1 and 2, the first embodiment of the wheel body assembly of the present application includes a braking device 100, and the structure of the braking device 100 is referred to the above-mentioned embodiment of the braking device 100, which is not described herein again.
Wherein, the casing 120 of the braking device 100 is a circular ring shape and is arranged, and can be used for being used as the wheel body of the wheel body component, and the braking device 100 can directly generate resistance to the wheel body, thereby realizing the braking effect, and at least part of the brake 150 is arranged in the first electromagnetic mechanism 130 and the second electromagnetic mechanism 140, so as to reduce the space occupied by the brake 150, and make the brake 150 and the assembly and the overall structure of the first electromagnetic mechanism 130 and the second electromagnetic mechanism 140 for driving the casing 120 simpler, and further make the preparation process simpler.
Referring to fig. 10, the wheel assembly of the second embodiment of the present application includes a braking device 100 and a wheel body 200, wherein the wheel body 200 is connected to a housing 120 or a shaft 110 of the braking device 100, and the braking device 100 generates a resistance force on the wheel body through the housing 120 or the shaft 110, so as to achieve a braking effect.
In this embodiment, the braking device 100 and the wheel body 200 may be detachably connected, so that a user may select whether to install the braking device 100 according to needs, and the application range is wider.
In this embodiment, the braking device 100 may be directly connected to the wheel 200 through the connecting rod 201, so as to directly achieve the braking effect on the wheel 200.
In other embodiments, the braking device 100 may also be connected to the wheel 200 through a transmission device (not shown) to meet different braking requirements, thereby widening the application range.
Referring to FIG. 11, the first embodiment of the walker of the present application comprises a braking device 100 and a main frame 300, wherein the braking device 100 is pivotally connected to the bottom of the main frame 300 for moving with the main frame 300 and/or carrying the main frame 300. In this embodiment, the number of the braking devices 100 is 2, and the walker further comprises two universal wheels 400 as the rear wheels as the front wheels, the steering operation of the walker can be more labor-saving by using the braking devices 100 as the front wheels, and the universal wheels 400 as the rear wheels can facilitate the flexible rotation of the universal wheels 400 along with the steering of the main body frame 300.
In other embodiments, the two braking devices 100 may also be used as rear wheels (not shown), and the two universal wheels 400 are used as front wheels, so as to avoid the problem of forward turning or side turning caused by excessive resistance instantaneously generated by the braking devices 100.
In other embodiments the number of braking devices 100 may be 4, i.e. the front wheels acting as a walker and the rear wheels acting as a walker, to further improve the braking effect.
Referring to FIG. 12, the second embodiment of the walking aid of the present application comprises a braking device 100 and a main body frame 500, wherein the braking device 100 is rotatably connected to the bottom of the main body frame 500 for moving with the main body frame 500 and/or carrying the main body frame 500.
In this embodiment, the braking device 100 can be used as both the front wheel and the rear wheel of the walker, and it is specifically referred to the first embodiment of the walker, and will not be described herein again.
In other embodiments, the braking device 100 may be used in other types of walkers, and is not limited thereto.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. A brake apparatus, comprising:
a shaft body;
the shell is sleeved outside the shaft body and is coaxially arranged with the shaft body, and the shell can rotate relative to the shaft body;
the first electromagnetic mechanism and the second electromagnetic mechanism are respectively annular and are nested with each other, the first electromagnetic mechanism is fixedly connected with the shell, the second electromagnetic mechanism is fixedly connected with the shaft body, and the first electromagnetic mechanism and the second electromagnetic mechanism can interact with each other to enable the first electromagnetic mechanism to drive the shell to rotate relative to the second electromagnetic mechanism;
a brake disposed at least partially within the first and second electromagnetic mechanisms, the brake being capable of acting on the housing to brake the housing.
2. A braking apparatus according to claim 1, characterised in that a projection of the brake in a radial direction of the first electromagnetic means at least partially overlaps with a projection of the first electromagnetic means and/or the second electromagnetic means in a radial direction of the first electromagnetic means.
3. A braking apparatus according to claim 2, characterised in that the projection of the brake in the radial direction of the first electromagnetic means falls entirely within the projection of the first electromagnetic means and/or the second electromagnetic means in the radial direction of the first electromagnetic means.
4. The brake device according to claim 1, wherein the first electromagnetic mechanism includes a plurality of first magnets, the plurality of first magnets are arranged on the inner wall of the housing at intervals along the circumferential direction of the housing, the second electromagnetic mechanism includes a first magnetic induction element and a first coil wound on the first magnetic induction element, and the brake is connected with the second electromagnetic mechanism; the braking device further comprises a first side cover and a second side cover, the first side cover and the second side cover are respectively covered on two sides of the shell, the brake comprises a braking part, a first abutting part and an elastic part, the braking part is connected with the first side cover or the second side cover, one end of the elastic part is abutted against the first abutting part, so that the first abutting part is abutted against the braking part, and the shell is braked.
5. The braking device according to claim 4, wherein the first abutting member is a second magnet, the brake further comprises a second magnetic induction member and a second coil wound around the second magnetic induction member, and the second magnet is capable of interacting with the second magnetic induction member and the second coil to move the second magnet in a direction away from the braking member, so as to release the braking of the housing.
6. A braking apparatus in accordance with claim 4, wherein the first abutment member is adapted to be forced to move in a direction away from the braking member to release the braking of the housing.
7. The brake device of claim 6, further comprising a handle and a connecting mechanism, wherein the handle is disposed outside the first side cover or the second side cover, and the handle is connected to the first abutting member through the connecting mechanism, the handle can receive an acting force, and the connecting mechanism is configured to transmit the acting force to the first abutting member, so that the first abutting member can move in a direction away from the brake member.
8. The brake device according to claim 7, wherein the connecting mechanism comprises a housing case and a cover body covering the housing case, the braking piece, the first abutting piece and the elastic piece are arranged between the containing shell and the cover body, a first containing groove is formed on one side of the containing shell back to the cover body, the connecting mechanism further comprises a ball, a second abutting piece and a connecting piece, at least part of the ball is accommodated in the first accommodating groove, the second abutting piece abuts against the ball, the second abutting piece is provided with a second containing groove, at least part of the ball can be contained in the second containing groove, the connecting piece abuts against one side of the second abutting piece, which is back to the ball, and the connecting piece is connected with the first butt joint piece, and the handle can drive the connecting piece to rotate relative to the containing shell.
9. A wheel body assembly, comprising:
the brake apparatus of any one of claims 1 to 8, wherein the housing is arranged in a circular ring shape for serving as a wheel body; or
The brake device and wheel of any one of claims 1 to 8, wherein the wheel is connected to the housing or the axle.
10. A walking aid comprising a body frame and a wheel assembly as claimed in claim 9, the wheel assembly being pivotally connected to the base of the body frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220230883.5U CN217481813U (en) | 2022-01-27 | 2022-01-27 | Braking device, wheel body assembly and walking aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220230883.5U CN217481813U (en) | 2022-01-27 | 2022-01-27 | Braking device, wheel body assembly and walking aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217481813U true CN217481813U (en) | 2022-09-23 |
Family
ID=83304568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220230883.5U Active CN217481813U (en) | 2022-01-27 | 2022-01-27 | Braking device, wheel body assembly and walking aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217481813U (en) |
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2022
- 2022-01-27 CN CN202220230883.5U patent/CN217481813U/en active Active
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