CN215474250U - Universal wheel convenient to dismantle - Google Patents
Universal wheel convenient to dismantle Download PDFInfo
- Publication number
- CN215474250U CN215474250U CN202121448069.2U CN202121448069U CN215474250U CN 215474250 U CN215474250 U CN 215474250U CN 202121448069 U CN202121448069 U CN 202121448069U CN 215474250 U CN215474250 U CN 215474250U
- Authority
- CN
- China
- Prior art keywords
- base
- pin shaft
- bearing
- transverse hole
- locking device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Handcart (AREA)
Abstract
A universal wheel convenient to disassemble comprises a connecting piece, a wheel carrier, a roller, a pin shaft, a bearing and a base, wherein the roller is arranged on a shifting fork at the bottom of the wheel carrier, the connecting piece is connected with the bottom of a vehicle body, the pin shaft is vertically arranged, the top of the pin shaft is fixedly arranged on the connecting piece, a vertical mounting cavity is arranged at the upper part of the wheel carrier, the base is arranged at the bottom of the mounting cavity, the bearing is positioned at the top of the base, and is arranged in the mounting cavity, the lower part of the pin shaft is sequentially inserted in the inner cavities of the bearing and the base, a locking device is arranged between the base and the pin shaft, when the locking device is pressed by hand, the wheel carrier provided with the roller, the base, the locking device and the bearing is separated from the pin shaft, when the wheel carrier is arranged on the pin shaft, the locking device is pressed again by hands, so that the lower part of the pin shaft is inserted into the inner cavities of the bearing and the base in sequence, when the hand is loosened, the wheel carrier provided with the roller, the base, the locking device and the bearing is connected with the pin shaft. The utility model has simple structure, quick assembly and disassembly and convenient maintenance and replacement on the premise of not influencing the rotation flexibility of the utility model.
Description
Technical Field
The utility model relates to a roller wheel arranged at the bottom of a luggage cart, a shopping cart, a baby carriage and the like, in particular to a universal wheel convenient to disassemble.
Background
The so-called universal wheels are movable caster wheels which are constructed to allow 360-degree horizontal rotation. The universal wheel has a function of carrying, moving and steering, and thus is widely used for a bottom of a vehicle body of a luggage cart, a shopping cart, a baby carriage, etc.
At present, the conventional universal wheels are fixedly arranged at the bottom of the vehicle body, and the vehicle body is very inconvenient to package and transport due to the fact that the conventional universal wheels occupy a certain space; in addition, when the universal wheel is worn or damaged after being used for a period of time, the damaged universal wheel is difficult to maintain and replace.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a universal wheel which is simple in structure, convenient to disassemble and assemble and convenient to disassemble and does not influence the rotation flexibility of the universal wheel.
The utility model provides a universal wheel with the following structure and convenient to disassemble, which comprises a roller wheel and a wheel carrier, wherein the roller wheel is arranged on a shifting fork at the bottom of the wheel carrier, the universal wheel also comprises a connecting piece, a pin shaft, a bearing and a base, the connecting piece is used for being connected with the bottom of a vehicle body, the pin shaft is vertically arranged, the top of the pin shaft is fixedly arranged on the connecting piece, the upper part of the wheel carrier is provided with a vertical installation cavity, the base is arranged at the bottom of the installation cavity, the bearing is positioned at the top of the base and is arranged in the installation cavity, the lower part of the pin shaft is sequentially inserted in the inner cavities of the bearing and the base, a locking device is arranged between the base and the pin shaft, when the locking device is pressed by hands, the wheel carrier provided with the roller wheel, the base, the locking device and the bearing is separated from the pin shaft, when the wheel carrier needs to be assembled on the pin shaft, the locking device is pressed by hands again, the lower part of the pin shaft is inserted into the inner cavities of the bearing and the base in sequence, the hand is loosened, and the wheel carrier provided with the roller, the base, the locking device and the bearing is connected with the pin shaft.
The utility model relates to a universal wheel convenient to disassemble, wherein a locking device comprises a locking plate and a spiral spring, a transverse hole I communicated with an inner cavity of a base is arranged on the side wall of the base, a transverse hole II communicated with the transverse hole I is arranged on the side wall of a wheel carrier, a transverse hole III is arranged in the middle of the transverse hole I, the spiral spring is arranged in the transverse hole III, two ends of the spiral spring respectively abut against the bottom walls of the locking plate and the transverse hole III, the locking plate is sequentially inserted in the transverse hole II and the transverse hole I, an annular groove is arranged on the outer wall of a pin shaft positioned in the inner cavity of the base, a through hole for the pin shaft to pass through is formed in the locking plate, a clamping edge matched with the annular groove is arranged at the edge of the through hole, and a limiting device used for limiting the locking plate is arranged on the base to prevent the locking plate from automatically falling out from the transverse hole I and the transverse hole II.
The universal wheel convenient to disassemble is characterized in that the limiting device is a vertically arranged screw, a transverse waist-shaped hole is formed in the locking plate, a vertical threaded hole is formed in the base, the screw is arranged in the vertical threaded hole, and a rod body of the screw is located in the waist-shaped hole.
The utility model relates to a universal wheel convenient to disassemble, wherein one end of a locking plate is provided with a convex part, and the convex part is inserted into an inner cavity of a spiral spring.
After the structure is adopted, compared with the prior art, the universal wheel convenient to disassemble has the following advantages: the universal wheel is designed into a structure consisting of a roller, a wheel carrier, a base, a pin shaft, a bearing and a connecting piece, wherein the connecting piece is used for being connected with the bottom of a vehicle body, the pin shaft is vertically arranged, the top of the pin shaft is fixedly arranged on the connecting piece, the upper part of the wheel carrier is provided with a vertical mounting cavity, the base is arranged at the bottom of the mounting cavity, the bearing is positioned at the top of the base and is arranged in the mounting cavity, the lower part of the pin shaft is sequentially inserted into the inner cavities of the bearing and the base, and a locking device is arranged between the base and the pin shaft. The wheel carrier with the roller, the base, the locking device and the bearing is connected with the pin shaft again. By the operation, the universal wheel is convenient to disassemble and assemble on the premise of not influencing the rotation flexibility of the universal wheel, so that a user can conveniently maintain and replace the damaged universal wheel; in addition, the utility model contains very few parts, so the structure is simpler.
Drawings
FIG. 1 is a schematic perspective view of a readily removable castor according to the present invention;
FIG. 2 is a schematic view of the partially exploded structure of FIG. 1;
FIG. 3 is an enlarged schematic view of the locking device, the base, the pin and the wheel frame at the connection portion of FIG. 1;
fig. 4 is a schematic perspective view of the wheel frame with the roller, the base, the locking device and the bearing separated from the pin shaft after the locking device is pressed.
Detailed Description
The following provides a more detailed description of a conveniently disassembled universal wheel of the present invention with reference to the accompanying drawings and detailed description:
as shown in fig. 1 and 2, in the present embodiment, the universal wheel convenient to disassemble includes a connecting member 1, a wheel frame 4, a roller 2, a pin 5, a bearing 6 and a base 7. The connecting piece 1 is used for connecting with a supporting foot at the bottom of the vehicle body; the pin shaft 5 is vertically arranged, and the top of the pin shaft 5 is fixedly arranged on the connecting piece 1; the roller 2 is arranged on a shifting fork 41 at the bottom of the wheel frame 4 through a bolt or a rivet; the upper part of the wheel frame 4 is provided with a vertical installation cavity 43, and the base 7 is installed at the bottom of the installation cavity 43 through a screw; the bearing 6 is positioned on the top of the base 7 and is arranged in the mounting cavity 43, and the bearing 6 is specifically a thrust ball bearing; the lower part of the pin shaft 5 is inserted in the inner cavities of the bearing 6 and the base 7 in sequence; the upper part of the pin shaft 5 is provided with an annular convex edge 51, and the annular convex edge 51 is erected at the top of the thrust ball bearing. The locking device 3 is arranged between the base 7 and the pin shaft 5, when the locking device 3 is pressed by hands, the wheel frame 4 provided with the roller 2, the base 7, the locking device 3 and the bearing 6 is separated from the pin shaft 5, when the wheel frame 4 needs to be arranged on the pin shaft 5, the locking device 3 is pressed by hands again, the lower part of the pin shaft 5 is inserted into the inner cavities of the bearing 6 and the base 7 in sequence, the hands are released, and the wheel frame 4 provided with the roller 2, the base 7, the locking device 3 and the bearing 6 is connected with the pin shaft 5.
Referring to fig. 3, the locking device 3 is composed of a locking piece 31 and a coil spring 36. A transverse hole I72 communicated with the inner cavity of the base 7 is formed in the side wall of the base, and a transverse hole II 42 communicated with the transverse hole I72 is formed in the side wall of the wheel frame 4; the middle part of the transverse hole I72 is provided with a transverse hole III 71; the spiral spring 36 is arranged in the transverse hole III 71, and two ends of the spiral spring respectively abut against the locking piece 31 and the bottom wall of the transverse hole III 71; the locking plate 31 is sequentially inserted into the transverse hole II 42 and the transverse hole I72; the end of the locking plate 31 is provided with a convex part 35, and the convex part 35 is inserted in the inner cavity of the spiral spring 36 to play a role in guiding; an annular groove 52 is arranged on the outer wall of the pin shaft 5 positioned in the inner cavity of the base 7; the locking plate 31 is provided with a through hole 33 for the pin shaft 5 to pass through, and the edge of the through hole 33 is provided with a clamping edge 34 matched with the annular groove 52; the base 7 is provided with a limiting device 37 for limiting the locking piece 31 so as to prevent the locking piece 31 from automatically falling out of the transverse hole I72 and the transverse hole II 42 under the action of the elastic force of the spiral spring 36.
The limiting device 37 is a vertically arranged screw, the locking plate 31 is provided with a transverse waist-shaped hole 32, the base 7 is provided with a vertical threaded hole 73, the screw is arranged in the vertical threaded hole 73, and the rod body of the screw is located in the waist-shaped hole 32, so that the stroke of the locking plate 31 is limited by the structure.
When the universal wheel is worn or damaged after being used for a period of time, the locking piece 31 is pressed by hands, the clamping edge 34 is pushed by external thrust to withdraw from the annular groove 52 of the pin shaft 5, at the moment, the wheel carrier 4 provided with the roller 2, the base 7, the locking device 3 and the bearing 6 can be separated from the pin shaft 5 (as shown in a state of figure 4), and the universal wheel can be maintained or replaced according to the damage condition of the roller 2 or the bearing 6. After finishing the repair work, the locking plate 31 is pressed again by hand, so that the lower part of the pin shaft 5 is inserted into the inner cavities of the bearing 6 and the base 7 in sequence, the hand is released after the repair work is completed, the locking plate 31 is reset under the elastic force of the spiral spring 36, the clamping edge 34 is inserted into the annular groove 52 of the pin shaft 5 in a following manner, and the wheel carrier 4 provided with the roller 2, the base 7, the locking device 3 and the bearing 6 is connected with the pin shaft 5 again.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention by those skilled in the art should fall within the protection scope of the present invention without departing from the design spirit of the present invention.
Claims (4)
1. The utility model provides a universal wheel convenient to dismantle, includes gyro wheel (2) and wheel carrier (4), install on shift fork (41) of wheel carrier (4) bottom gyro wheel (2), its characterized in that: the automobile wheel frame is characterized by further comprising a connecting piece (1), a pin shaft (5), a bearing (6) and a base (7), wherein the connecting piece (1) is used for being connected with the bottom of an automobile body, the pin shaft (5) is vertically arranged, the top of the pin shaft (5) is fixedly installed on the connecting piece (1), a vertical installation cavity (43) is formed in the upper portion of the wheel frame (4), the base (7) is installed at the bottom of the installation cavity (43), the bearing (6) is located at the top of the base (7) and installed in the installation cavity (43), the lower portion of the pin shaft (5) is sequentially inserted into inner cavities of the bearing (6) and the base (7), a locking device (3) is installed between the base (7) and the pin shaft (5), when the locking device (3) is pressed by hands, the wheel frame (4) provided with a roller (2), the base (7), the locking device (3) and the bearing (6) is separated from the pin shaft (5), and when the wheel frame (4) is required to be installed back on the pin shaft (5), and pressing the locking device (3) again by hand to enable the lower part of the pin shaft (5) to be sequentially inserted into the inner cavities of the bearing (6) and the base (7), loosening the hand, and connecting the wheel carrier (4) provided with the roller (2), the base (7), the locking device (3) and the bearing (6) with the pin shaft (5).
2. A readily removable castor according to claim 1, wherein: the locking device (3) is composed of a locking plate (31) and a spiral spring (36), a transverse hole I (72) communicated with an inner cavity of the base (7) is formed in the side wall of the base (7), a transverse hole II (42) communicated with the transverse hole I (72) is formed in the side wall of the wheel carrier (4), a transverse hole III (71) is formed in the middle of the transverse hole I (72), the spiral spring (36) is arranged in the transverse hole III (71), two ends of the spiral spring respectively abut against the bottom walls of the locking plate (31) and the transverse hole III (71), the locking plate (31) is sequentially inserted into the transverse hole II (42) and the transverse hole I (72), an annular groove (52) is formed in the outer wall of a pin shaft (5) in the inner cavity of the base (7), a through hole (33) for the pin shaft (5) to pass through is formed in the locking plate (31), a clamping edge (34) matched with the annular groove (52) is formed in the edge of the through hole (33), and the base (7) is provided with a limiting device (37) for limiting the locking plate (31) so as to prevent the locking plate (31) from automatically falling out from the transverse hole I (72) and the transverse hole II (42).
3. A readily removable castor according to claim 2, wherein: stop device (37) is the screw of a vertical setting, be equipped with horizontal waist shape hole (32) on locking plate (31), be equipped with vertical screw hole (73) on base (7), the screw dress is in vertical screw hole (73), and the body of rod of screw is located waist shape hole (32).
4. A readily removable castor according to claim 3, wherein: one end of the locking plate (31) is provided with a convex part (35), and the convex part (35) is inserted in the inner cavity of the spiral spring (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121448069.2U CN215474250U (en) | 2021-06-28 | 2021-06-28 | Universal wheel convenient to dismantle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121448069.2U CN215474250U (en) | 2021-06-28 | 2021-06-28 | Universal wheel convenient to dismantle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215474250U true CN215474250U (en) | 2022-01-11 |
Family
ID=79723376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121448069.2U Active CN215474250U (en) | 2021-06-28 | 2021-06-28 | Universal wheel convenient to dismantle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215474250U (en) |
-
2021
- 2021-06-28 CN CN202121448069.2U patent/CN215474250U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7364171B2 (en) | Front wheel assembly for baby strollers | |
| US8302257B2 (en) | Double-pedal double-wheel truckle with independent braking and releasing functions | |
| CN208411312U (en) | A kind of vibration damping universal wheel | |
| CN215474250U (en) | Universal wheel convenient to dismantle | |
| US6352234B1 (en) | Baby walker positioning foot member | |
| CN107398064A (en) | Universal wheel and apply its golf bag chassis | |
| CN216886084U (en) | Caster structure for luggage | |
| CN209351177U (en) | A kind of fast assembling disassembling structure of universal wheel | |
| CN210382967U (en) | Suitcase universal wheel with anti-seismic function | |
| CN220883937U (en) | Caster with rubber connecting piece | |
| CN217146036U (en) | Effectual portable use turnover vehicle of assembling of shock attenuation | |
| US6726226B2 (en) | Wheel stop device of a golf cart | |
| CN205728524U (en) | Can fast assembling roller | |
| CN201033582Y (en) | Improved barrows | |
| CN221250401U (en) | Barrow | |
| CN215590398U (en) | Detachable roller forging piece for engineering machinery | |
| CN211918268U (en) | Detachable luggage caster | |
| CN216393303U (en) | PC case convenient to truckle dismouting | |
| KR100818765B1 (en) | Caster assembly | |
| CN210101734U (en) | Universal wheel for baby carriage | |
| US20240124039A1 (en) | Outdoor camping cart | |
| CN210174891U (en) | Shopping cart | |
| CN215663538U (en) | Multifunctional folding handcart | |
| CN214304748U (en) | Fastener convenient to dismouting | |
| CN212665969U (en) | Steering axle wheel hub knuckle rigging equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |