CN220720737U - Wheel detachable supporting leg and cart - Google Patents
Wheel detachable supporting leg and cart Download PDFInfo
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- CN220720737U CN220720737U CN202321757491.5U CN202321757491U CN220720737U CN 220720737 U CN220720737 U CN 220720737U CN 202321757491 U CN202321757491 U CN 202321757491U CN 220720737 U CN220720737 U CN 220720737U
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- groove
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- 239000011324 bead Substances 0.000 claims abstract description 58
- 238000009434 installation Methods 0.000 claims description 19
- 230000037431 insertion Effects 0.000 claims 4
- 238000003780 insertion Methods 0.000 claims 4
- 230000003247 decreasing effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
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Abstract
The utility model provides a wheel detachable supporting leg and a cart, and aims to solve the technical problems that in the prior art, detachable wheels are complex and laborious to install and detach. A detachable support leg for wheels comprises a support rod and a wheel assembly; the support rod is provided with a limiting assembly, the limiting assembly comprises a spanner and a limiting bead, the spanner is rotationally arranged on the support rod, the spanner comprises an operation part and a driving part, and the limiting bead is positioned on a driving path of the driving part of the spanner; the wheel assembly comprises a wheel frame and a plug-in shaft; the inserting shaft is arranged on the wheel frame and provided with a limiting groove; the wrench comprises a locking position and an unlocking position, and when the wrench is changed from the unlocking position to the locking position, the driving part of the wrench pushes and limits the limiting beads to be clamped in the limiting grooves; when the wrench is changed from the locking position to the unlocking position, the driving part of the wrench releases the limit of the limit groove to the limit bead. By switching the locking position and unlocking position of the wrench, the wheel assembly can be easily installed and detached without using auxiliary tools.
Description
Technical Field
The utility model belongs to the technical field of detachable wheels, and particularly relates to a detachable supporting leg for a wheel and a cart.
Background
The cart is a transport tool which is often used in life of people. For example, the camping car that needs to be used when camping can significantly reduce occupation space, need not fold at ordinary times, and camping can fold back too, and this can appear more convenient than the suitcase on hillside etc. environment, but the wheel of camping car is folded back because overlength still inconvenient carrying, so the appearance of detachable wheel camping car has brought a lot of convenience, has reduced shallow occupation space, convenient storage and carrying. However, the detachable wheel mounting method in the prior art is complex, the dismounting process is laborious, the dismounted parts are easy to lose, and a plurality of troubles are added.
Disclosure of Invention
The utility model provides a wheel detachable supporting leg and a cart, and aims to solve the technical problems that in the prior art, detachable wheels are complex and laborious to install and detach.
In order to solve the technical problems, the utility model adopts the following technical scheme:
in a first aspect, the present utility model provides a wheel detachable support leg comprising a support bar and a wheel assembly;
the supporting rod is provided with a limiting assembly, the limiting assembly comprises a spanner and a limiting bead, the spanner is rotatably arranged on the supporting rod, the spanner comprises an operation part and a driving part, and the limiting bead is positioned on a driving path of the driving part of the spanner;
the wheel assembly comprises a wheel frame and a plug-in shaft; the inserting shaft is arranged on the wheel frame and provided with a limiting groove;
the wrench comprises a locking position and an unlocking position, and when the wrench is changed from the unlocking position to the locking position, the driving part of the wrench pushes and limits the limiting beads to be clamped in the limiting grooves; when the wrench is changed from the locking position to the unlocking position, the driving part of the wrench releases the limit of the limit groove to the limit bead.
In the preferred scheme, the supporting rod is provided with an installation cavity, and the inserting shaft is inserted into the installation cavity.
In the preferred scheme, the inner side wall of the supporting rod is provided with a limiting hole, the limiting hole is communicated with the mounting cavity and corresponds to the limiting groove, and the limiting bead is clamped in the limiting groove by sliding through the limiting hole; the outer side wall of the supporting rod is provided with a fixing groove which is communicated with the limiting hole.
Based on the scheme, the driving part of the wrench is rotationally arranged in the fixed groove, and when the wrench is in the unlocking position, the limiting beads are positioned in the fixed groove and do not penetrate through the limiting holes. The spacing hole is linked together with the installation cavity, plays certain guide effect to spacing pearl, and the spanner is located the outer end of fixed slot, and spacing pearl is located the inner of fixed slot, and when the spanner changed into the lock location by the unblock position, the spanner gave thrust to spacing pearl, makes spacing pearl pass spacing hole joint in the spacing inslot.
The preferred scheme, spacing subassembly still includes the limiting plate, spacing pearl is located the limiting plate, the limiting plate is located between spanner and the spacing pearl.
Based on the scheme, the limiting plate is positioned in the fixed groove, the limiting plate is positioned between the wrench and the limiting beads, and the limiting plate is loosened under the condition that the limiting plate is not driven by the wrench, so that the limiting beads are separated from the limiting groove, and then the plug-in shaft is separated from the supporting rod. Under the condition that the limiting plate is driven by a spanner, the limiting plate is driven by the pushing force to move forwards, so that the limiting beads penetrate through the limiting holes and are clamped in the limiting grooves, and then the inserting shaft is fixed with the supporting rods.
In a preferred scheme, the driving part of the wrench is an eccentric wheel or a cam, and the operating part is a handle.
Based on the scheme, the driving part of the wrench is an eccentric wheel or a cam, and is pressed by the eccentric wheel or the cam, so that the wrench has the advantages of large pressing force, good self-locking property, convenience in operation, reasonable design and simple and compact structure. The operating part is a handle, the handle has a proper operating position, the operation is simple and convenient, and the unidirectional driving force can be realized by lightly exerting force on the handle.
Preferably, the limiting assembly is at least provided with one group.
In a preferred scheme, the limiting hole is a horn hole with the diameter gradually increasing from inside to outside.
Based on above-mentioned scheme, spacing pearl gets into the horn mouth from the major diameter end, because the horn mouth diameter reduces gradually, has restricted spacing pearl's promotion route, and the horn mouth plays certain guide effect, when spacing pearl promotes the minor diameter end in horn mouth, and spacing pearl is laminated mutually with downthehole, has restricted the position of spacing pearl. As the diameter of the horn hole is gradually increased from inside to outside, the hole is in an arc surface, so that the limit beads slide smoothly, and the phenomenon that the limit beads are blocked or misplaced during sliding is avoided.
In the preferred scheme, two fixing plates are arranged on two sides of the outer side wall of the supporting rod fixing groove, and the driving part of the wrench is rotatably arranged between the two fixing plates.
Based on the scheme, the driving part of the wrench is arranged between the two fixing plates, the fixing plates are provided with through holes, the eccentric wheel is provided with through holes and a fixing shaft, the fixing shaft penetrates through the through holes and is inserted into the through holes, the wrench is connected with the fixing plates, and the position of the eccentric wheel is fixed, so that the eccentric wheel can coaxially rotate.
The preferable scheme is that the installation cavity is internally provided with a stepped opening with small upper end diameter and large lower end diameter, the plug-in shaft is provided with a stepped shaft with small upper end diameter and large lower end diameter, the limit groove is positioned at the upper end of the plug-in shaft, and when the plug-in shaft is plugged in the installation cavity, the stepped surface of the stepped shaft is abutted against the stepped surface of the installation cavity, so that the limit groove corresponds to the limit hole.
Based on above-mentioned scheme, through setting up ladder mouth and ladder face, when the spliced axle inserts the installation cavity, spacing pearl, spacing hole and spacing groove are located same horizontal line, conveniently fix a position.
In a second aspect, a cart comprises a wheel-detachable support leg as described in the first aspect.
The beneficial effects of the utility model are as follows:
when the spanner is changed from the unlocking position to the locking position, the spanner of the limiting assembly applies thrust to the limiting beads through the driving part, so that the limiting beads are clamped in the limiting grooves, and the wheel assembly and the supporting rods are assembled together. When the spanner is changed from the locking position to the unlocking position, the spanner driving part of the limiting assembly releases the thrust applied to the limiting beads so that the limiting beads are separated from the limiting grooves, and the wheel assembly is separated from the supporting rods, so that the supporting legs of the trolley can be detached.
According to the utility model, the locking position and unlocking state of the wrench are switched, so that the wheel assembly can be easily installed and disassembled without an auxiliary tool, the structure is simple, the operation is convenient, the operation efficiency is high, the installed wheel is stable and reliable, and the technical problem that the installation and the disassembly operations of the detachable wheel in the prior art are complex and laborious is solved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a cross-sectional view of a wheel-removable support leg of a cart in accordance with the present utility model.
Fig. 2 is a schematic view showing a wrench for a wheel detachable support leg of a cart in a locked state according to the present utility model.
Fig. 3 is a schematic view showing a wrench with a detachable wheel supporting leg of a cart in an unlocked state.
The reference numerals in the figures illustrate:
1-supporting rods; 2-a limiting assembly; 21-a limiting plate; 22-limit beads; 23-wrenches; 231-eccentric; 232-handle; 3-a wheel assembly; 31-a plug-in shaft; 32-wheel frames; 4-limiting holes; 5-a mounting cavity; 6, a limit groove; 7-blind holes; 8-fixing plates; 9-through holes.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model. All other embodiments, which can be obtained by a person skilled in the art without creative efforts, are included in the protection scope of the present utility model based on the embodiments of the present utility model.
Embodiment one:
as shown in fig. 1, the present embodiment provides a wheel detachable support leg including a support rod 1 and a wheel assembly 3;
the support rod 1 is provided with a limiting assembly 2, the limiting assembly 2 comprises a spanner 23 and a limiting bead 22, the spanner 23 is rotatably arranged on the support rod 1, the spanner 23 comprises an operation part and a driving part, and the limiting bead 22 is positioned on a driving path of the driving part of the spanner 23; the wheel assembly 3 comprises a wheel frame 32 and a plug-in shaft 31; the inserting shaft 31 is arranged on the wheel frame 32, and a limiting groove 6 is formed in the inserting shaft 31;
the wrench 23 comprises a locking position and an unlocking position, and when the wrench 23 is changed from the unlocking position to the locking position, the driving part of the wrench 23 pushes and limits the limiting beads 22 to be clamped in the limiting grooves 6; when the wrench 23 is changed from the locking position to the unlocking position, the driving portion of the wrench 23 releases the restriction of the restriction bead 22 by the restriction groove 6.
Specifically, the supporting rod 1 is used for supporting the wheel assembly 3, and the limiting groove 6 is arranged on the outer side wall of the plugging shaft 31.
For assembling the support rod 1 and the wheel assembly 3, the support rod 1 is provided with a mounting cavity 5, and the inserting shaft 31 is inserted into the mounting cavity 5.
On the basis, the inner side wall of the supporting rod 1 is provided with a limiting hole 4, the limiting hole 4 is communicated with the mounting cavity 5 and corresponds to the limiting groove 6, and the limiting beads 22 pass through the limiting hole 4 in a sliding manner and are clamped in the limiting groove 6; the outer side wall of the supporting rod 1 is provided with a fixed groove which is communicated with the limiting hole 4.
Specifically, as shown in fig. 1, the inner side wall of the supporting rod 1 is provided with a limiting hole 4, the limiting hole 4 is communicated with the mounting cavity 5 and the fixing groove and is positioned on the same horizontal line, and the limiting hole 4 corresponds to the limiting groove 6 to form a guiding channel of the limiting bead 22. The fixing groove on the outer side wall of the supporting rod 1 is a concave groove, and the driving part of the wrench 23 is positioned in the notch of the fixing groove. When the wrench 23 is in the unlocking position, the limit beads 22 are positioned in the fixed groove and do not pass through the limit holes 4; when the wrench 23 is changed from the unlocking position to the locking position, the wrench 23 gives thrust to the limiting beads 22, so that the limiting beads 22 penetrate through the limiting holes 4 and are clamped in the limiting grooves 6.
Wherein, spacing subassembly 2 still includes limiting plate 21, spacing pearl 22 is located limiting plate 21, limiting plate 21 is located between spanner 23 and spacing pearl 22.
Specifically, as shown in the figure, the wrench 23, the limiting plate 21 and the limiting beads 22 are arranged from outside to inside, the limiting beads 22 are located on the limiting plate 21, when the wrench 23 is in the unlocking position under the condition that the limiting plate 21 is not driven by the wrench 23, the limiting plate 21 is loosened, the limiting beads 22 are separated from the limiting grooves 6, and then the inserting shaft 31 is separated from the supporting rod 1. When the spanner 23 is turned from the unlocking position to the locking position under the condition that the limiting plate 21 is driven by the spanner 23, the driving part of the spanner 23 gives the limiting plate 21 thrust to move forward, the limiting plate 21 abuts against the limiting hole 4, and at the moment, the limiting beads 22 penetrate through the limiting hole 4 and are clamped in the limiting grooves 6, so that the inserting shaft 31 is fixed with the supporting rod 1.
The driving part of the wrench 23 is an eccentric wheel 231 or a cam, and the operating part is a handle 232.
As a preferred scheme:
the driving part of the wrench 23 is an eccentric wheel 231, the operating part is a handle 232, and the eccentric wheel 231 and the handle 232 are integrally designed. The handle 232 rotates the eccentric wheel 231 downwards, the eccentric wheel 231 pushes the limiting plate 21 inwards, the limiting plate 21 pushes inwards and abuts against the inner side wall of the limiting hole 4, the limiting beads 22 slide to pass through the limiting hole 4 and are clamped in the limiting groove 6, as shown in fig. 2, the adjusting handle 232 is attached to the outer wall of the supporting rod 1, and the wrench 23 is changed from the unlocking position to the locking position. When the handle 232 slightly rotates the eccentric wheel 231 upwards, the limiting plate 21 is loosened and moves along the track line of the horizontal groove of the fixed groove to the end far away from the limiting hole 4, and at the moment, the limiting beads 22 are separated from the limiting groove 6, as shown in fig. 3, the handle 232 leaves the outer wall of the supporting rod 1, and the wrench 23 is converted into an unlocking position from a locking position.
The limiting assembly 2 is provided with at least one group.
Specifically, the number of the limiting assemblies 2 can be set according to the length of the supporting rod 1, and when the supporting rod 1 is long, the limiting assemblies 2 can be set to be two groups, three groups or four groups.
In order to improve the stability of the wheel, the limiting hole 4 is a horn hole with the diameter gradually increasing from inside to outside.
Specifically, the limiting bead 22 enters from the large-diameter hole end, the diameter of the horn hole is gradually reduced, the pushing path of the limiting bead 22 is limited, and when the limiting bead 22 is pushed to the small-diameter end of the horn hole, the limiting bead 22 is attached to the hole, so that the position of the limiting bead 22 is limited. In addition, as the diameter of the horn hole is gradually increased from inside to outside, the hole is in an arc surface and can be attached to the limit beads 22, and the limit beads 22 cannot be blocked or misplaced in the pushing process.
Specifically, the driving portion of the wrench 23 is disposed between the two fixing plates 8, the fixing plates 8 are provided with through holes, the eccentric wheel 231 is provided with a through hole 9 and a fixing shaft, the fixing shaft passes through the through hole 9 and is inserted into the through hole of the fixing plate 8, the wrench 23 is fixedly connected with the fixing plates 8, and when the wrench 23 rotates, the eccentric wheel 231 rotates around the fixing shaft, so that the conversion between the locking position and the unlocking position of the wrench 23 is realized.
In order to facilitate the installation of the wheels, a stepped opening with small upper end diameter and large lower end diameter is arranged in the installation cavity 5, the plug-in shaft 31 is provided with a stepped shaft with small upper end diameter and large lower end diameter, the limit groove 6 is positioned at the upper end of the plug-in shaft 31, and when the plug-in shaft 31 is plugged in the installation cavity 5, the stepped opening and the stepped shaft fix the position of the limit groove 6.
Specifically, the installation cavity 5 is internally provided with a step opening with small upper end diameter and large lower end diameter, the plug-in shaft 31 is provided with a step shaft with small upper end diameter and large lower end diameter, the step opening and the step shaft are provided with slope surfaces and correspond to each other, when the plug-in shaft 31 is plugged in the installation cavity 5, the step surface of the plug-in shaft 31 is propped against the step surface of the installation cavity 5, the limit groove 6 and the limit bead 22 on the plug-in shaft 31 are just positioned on the same horizontal line, and the position is not required to be calibrated again when the wheel is installed.
Embodiment two:
the embodiment provides a cart, which comprises a wheel detachable supporting leg in the first embodiment.
Specifically, the number of the wheel detachable support wheels may be set to two, three or four, for example, in this embodiment, the number of the wheel detachable support wheels may be set to four, which are located at opposite corners of the cart, respectively.
The utility model is further described below in connection with the working principle:
when the wheel assembly 3 is installed, the wheel assembly 3 is inserted into the installation cavity 5, under the action of the handle 232, the eccentric wheel 231 pushes the limiting bead 22, and then the limiting bead 22 is limited in the limiting groove 6, and the limiting bead 22 is slidably clamped in the limiting groove 6, at this time, the handle 232 is tightly attached to the outer wall of the supporting rod 1, and the wheel assembly 3 is fixedly connected with the supporting rod 1, so that the installation of the wheel is completed.
When the wheel assembly 3 is disassembled, the handle 232 is buckled, the eccentric wheel 231 releases the pushing force to the limit bead 22, the limit groove 6 releases the limit to the limit bead 22, the limit bead 22 is separated from the limit groove 6, at this time, the handle 232 is separated from the outer wall of the support rod 1, the wheel assembly 3 is pulled away from the support rod 1, and the disassembly of the wheel assembly 3 is completed.
The utility model is not limited to the above-mentioned alternative embodiments, on the premise of not contradicting each other, can combine arbitrarily between every scheme; any person who is in the light of the present utility model can obtain other products in various forms, however, any changes in shape or structure are within the scope of the present utility model as defined by the claims.
Claims (10)
1. The detachable supporting leg for the wheels is characterized by comprising a supporting rod and a wheel assembly;
the supporting rod is provided with a limiting assembly, the limiting assembly comprises a spanner and a limiting bead, the spanner is rotatably arranged on the supporting rod, the spanner comprises an operation part and a driving part, and the limiting bead is positioned on a driving path of the driving part of the spanner;
the wheel assembly comprises a wheel frame and a plug-in shaft; the inserting shaft is arranged on the wheel frame and provided with a limiting groove;
the wrench comprises a locking position and an unlocking position, and when the wrench is changed from the unlocking position to the locking position, the driving part of the wrench pushes and limits the limiting beads to be clamped in the limiting grooves; when the wrench is changed from the locking position to the unlocking position, the driving part of the wrench releases the limit of the limit groove to the limit bead.
2. The detachable support leg for wheels of claim 1, wherein the support bar is provided with a mounting cavity, and the insertion shaft is inserted into the mounting cavity.
3. The detachable support leg for the wheel according to claim 2, wherein a limit hole is formed in the side wall of the support rod, the limit hole is communicated with the mounting cavity and corresponds to the limit groove, and the limit bead is connected in the limit groove by sliding through the limit Kong Juka; the outer side wall of the supporting rod is provided with a fixing groove which is communicated with the limiting hole.
4. The detachable support leg for a wheel according to claim 1, wherein the limiting assembly further comprises a limiting plate, the limiting beads are located on the limiting plate, and the wrench, the limiting plate and the limiting beads are located in the fixing groove sequentially from outside to inside;
when the wrench is changed from the unlocking position to the locking position, the driving part of the wrench clamps the limiting beads in the limiting groove by pushing the limiting plate; when the wrench is changed from the locking position to the unlocking position, the driving part of the wrench releases the pushing of the limiting plate, so that the limit of the limiting groove to the limiting beads is released.
5. A wheel detachable support leg according to claim 1, wherein the driving portion is an eccentric or a cam, and the operating portion is a handle.
6. A detachable support leg for a wheel according to claim 1, wherein said spacing assembly is provided with at least one set.
7. A detachable support leg for a wheel according to claim 3, wherein said limiting hole is a trumpet hole having a diameter gradually decreasing from inside to outside.
8. The detachable support leg for wheels according to claim 1, wherein two fixing plates are provided on both sides of the outer side wall of the support bar fixing groove, and the driving part of the wrench is rotatably provided between the two fixing plates.
9. A detachable support leg for a wheel according to claim 3, wherein a stepped opening with a small upper end diameter and a large lower end diameter is provided in the installation cavity, the insertion shaft is provided with a stepped shaft with a small upper end diameter and a large lower end diameter, the limit groove is located at the upper end of the insertion shaft, when the insertion shaft is inserted into the installation cavity, the stepped surface of the stepped shaft abuts against the stepped surface of the installation cavity, and the limit groove corresponds to the limit hole.
10. A trolley comprising a wheel-removable support leg according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321757491.5U CN220720737U (en) | 2023-07-05 | 2023-07-05 | Wheel detachable supporting leg and cart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321757491.5U CN220720737U (en) | 2023-07-05 | 2023-07-05 | Wheel detachable supporting leg and cart |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220720737U true CN220720737U (en) | 2024-04-05 |
Family
ID=90485131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321757491.5U Active CN220720737U (en) | 2023-07-05 | 2023-07-05 | Wheel detachable supporting leg and cart |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220720737U (en) |
-
2023
- 2023-07-05 CN CN202321757491.5U patent/CN220720737U/en active Active
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