CN211166924U - Shopping hand buggy - Google Patents
Shopping hand buggy Download PDFInfo
- Publication number
- CN211166924U CN211166924U CN201922324786.3U CN201922324786U CN211166924U CN 211166924 U CN211166924 U CN 211166924U CN 201922324786 U CN201922324786 U CN 201922324786U CN 211166924 U CN211166924 U CN 211166924U
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- Prior art keywords
- wheel
- star wheel
- climbing
- leg foot
- stair
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- Expired - Fee Related
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Abstract
The utility model discloses a shopping hand buggy, which comprises a three-star wheel, wherein the three-star wheel comprises a three-star wheel support arm and a wheel rotationally connected on the three-star wheel support arm; the three-star wheel support arm comprises three support legs; one end of each leg foot, which is far away from the axle, extends out of the outer ring of the wheel; a gap is reserved between one end of the supporting leg foot extending out of the outer ring of the wheel and the ground; can be when climbing stair, realize the landing leg foot and support the purpose on stair, such design has increased frictional force when climbing the building than before the wheel is pulling, effectively prevents the swift current of automobile body, still is the wheel on the level road like this and is moving in addition, does not influence normal use, when climbing the building, is the support and is doing relative motion to stair, can stop when climbing stair and have a rest, simple structure is reliable, and convenient to use is fit for using widely.
Description
Technical Field
The utility model belongs to the technical field of articles for daily use, concretely relates to shopping hand buggy.
Background
The corridor is a special road, is visible everywhere in daily life, and in a building without an elevator, the transportation of goods becomes a difficult problem. Through a large amount of inquiries, electronic building device of climbing has appeared, can realize climbing the building function, but electronic building device of climbing, the structure is complicated, the price is expensive, still needs a long period of time to see in the life. The star wheel type stair climbing hand buggy is widely applied at present, stair climbing is realized by utilizing star wheels to climb and turn over, and the problem of carrying and stair climbing is solved. The star wheel type stair climbing hand buggy has the advantages of simple structure, portability, low price and the like, and is generally applied at present.
The stair climbing process of the star wheel type stair climbing hand buggy is analyzed, the stair climbing motion process is divided into three stages, in the first stage, the star wheel type stair climbing hand buggy overturns to the gravity center of the star wheel type stair climbing hand buggy from meeting a step, and the gravity of goods and a trolley body is behind the hand buggy to prevent the star wheel rotating arm from overturning to climb the stairs; in the second stage, the gravity of the goods and the vehicle body is positioned in front of the gravity center of the hand buggy, and the star wheel rotating arm automatically turns over to climb the stairs under the action of the gravity; in the third stage, the star wheel type stair climbing trolley turns over a layer of stairs, and the gravity of the goods and the trolley body prevents the star wheel from climbing the stairs. When the trolley is in the first stage and the third stage, the goods and the gravity of the trolley body are behind the supporting point of the trolley, the hand buggy is prevented from climbing stairs, the wheels completely finish the movement of the stairs by the pulling force of a person when climbing the stairs, the wheels cannot support the stairs, and when the force of the user is insufficient in the process of turning the star wheel rotating arm, the hand buggy can slide backwards, so that the safety accidents of commodities and people are easily caused; and when the goods are heavier or need to be parked for a long time, the stair climbing vehicle cannot be parked on the stair steps for rest.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a shopping cart, which solves the problems that in the prior art, when the force of a user is insufficient in the process of turning over the star wheel rotating arm, the cart can slide backwards, and the commodity and personal safety accidents are easily caused; and when the goods are heavier or need to be parked for a long time, the stair climbing vehicle cannot be parked on the stair steps for rest.
In order to achieve the above object, the present invention provides the following technical solutions: a shopping trolley comprises a three-star wheel, wherein the three-star wheel comprises a three-star wheel support arm and a wheel rotationally connected to the three-star wheel support arm; the three-star wheel support arm comprises three support legs; one end of each leg foot, which is far away from the axle, extends out of the wheel outer ring; a gap is reserved between one end, extending out of the wheel outer ring, of the supporting leg foot and the ground.
Furthermore, one end of the supporting leg foot extending out of the wheel outer ring is detachably connected with a cushion block capable of contacting the ground.
Furthermore, the cushion block is connected with the supporting leg foot through screws.
Furthermore, when any two wheels of the three-star wheel contact the ground, the supporting leg feet corresponding to the two wheels extend out of one end of the outer ring of the wheel and a gap is reserved between the one end of the outer ring of the wheel and the ground.
Furthermore, the cushion block is inserted with the supporting leg foot.
Furthermore, a clamping groove is formed in the bottom surface of one end, close to the ground, of each leg foot, and the cushion block is clamped and matched with the clamping groove; the cushion block protrudes out of the clamping groove.
Further, the inner wall of the clamping groove is connected with a magnetic sheet; and the cushion block is connected with an iron sheet which is matched with the magnetic sheet in an attracting way.
Furthermore, the cushion block is connected with two-sided glue, and the cushion block is fixedly connected with the clamping groove in an inserting mode through the two-sided glue.
Furthermore, the cushion block is a rubber cushion block.
The utility model has the advantages of as follows: a shopping trolley comprises a three-star wheel, wherein the three-star wheel comprises a three-star wheel support arm and a wheel rotationally connected to the three-star wheel support arm; the three-star wheel support arm comprises three support legs; one end of each leg foot, which is far away from the axle, extends out of the outer ring of the wheel; a gap is reserved between one end of the supporting leg foot extending out of the outer ring of the wheel and the ground; can be when climbing stair, realize the landing leg foot and support the purpose on stair, such design has increased frictional force when climbing the building than before the wheel is pulling, effectively prevents the swift current of automobile body, still is the wheel on the level road like this and is moving in addition, does not influence normal use, when climbing the building, is the support and is doing relative motion to stair, can stop when climbing stair and have a rest, simple structure is reliable, and convenient to use is fit for using widely.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
Fig. 1 is a schematic view of an overall structure of a shopping cart according to an embodiment of the present invention;
fig. 2 is a schematic view of a partial cross-sectional structure of a leg foot of a shopping cart according to an embodiment of the present invention.
In the figure: the three-star wheel comprises a three-star wheel 1, a three-star wheel support arm 2, a wheel 3, a support leg foot 4, a clamping groove 41, a magnetic sheet 42 and a cushion block 5.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings and detailed description, but those skilled in the art will understand that the following described embodiments are some, not all, of the embodiments of the present invention, and are only used for illustrating the present invention, and should not be construed as limiting the scope of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. The examples, in which specific conditions are not specified, were conducted under conventional conditions or conditions recommended by the manufacturer. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products available commercially.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
The shopping cart provided in embodiment 1 of the present invention, please refer to fig. 1, includes a tri-star wheel 1, the tri-star wheel 1 includes a tri-star wheel support arm 2 and a wheel 3 rotatably connected to the tri-star wheel support arm 2; the three-star wheel support arm 2 comprises three support legs 4; one end of each supporting leg foot 4, which is far away from the axle, extends out of the outer ring of the wheel 3; a gap is reserved between one end of the supporting leg foot 4 extending out of the outer ring of the wheel 3 and the ground.
When in use; can be when climbing stair, realize the landing leg foot and support the purpose on stair, such design has increased frictional force when climbing the building than before the wheel is pulling, effectively prevents the swift current of automobile body, still is the wheel on the level road like this and is moving in addition, does not influence normal use, when climbing the building, is the support and is doing relative motion to stair, can stop when climbing stair and have a rest, simple structure is reliable, and convenient to use is fit for using widely.
It should be noted that, when any two wheels 3 of the three-star wheel 1 contact the ground, gaps exist between the ends of the leg feet 4 corresponding to the two wheels 3, which extend out of the outer ring of the wheel 3, and the ground.
Example 2
The shopping cart provided in embodiment 2 of the present invention, please refer to fig. 1, includes a tri-star wheel 1, the tri-star wheel 1 includes a tri-star wheel support arm 2 and a wheel 3 rotatably connected to the tri-star wheel support arm 2; the three-star wheel support arm 2 comprises three support legs 4; one end of each supporting leg foot 4, which is far away from the axle, extends out of the outer ring of the wheel 3; a gap is reserved between one end of the supporting leg foot 4 extending out of the outer ring of the wheel 3 and the ground.
When in use; can be when climbing stair, realize the landing leg foot and support the purpose on stair, such design has increased frictional force when climbing the building than before the wheel is pulling, effectively prevents the swift current of automobile body, still is the wheel on the level road like this and is moving in addition, does not influence normal use, when climbing the building, is the support and is doing relative motion to stair, can stop when climbing stair and have a rest, simple structure is reliable, and convenient to use is fit for using widely.
Preferably, one end of the supporting leg foot 4 extending out of the outer ring of the wheel 3 is detachably connected with a cushion block 5 capable of contacting the ground, and the cushion block 5 is in screw connection with the supporting leg foot 4.
When the stair climbing device is used, the friction force between the supporting leg feet and the stair surface can be increased, and the stability of climbing stairs is increased; the screw connection can be convenient for change the cushion under the condition that the cushion damaged.
Example 3
The shopping cart provided in embodiment 3 of the present invention, please refer to fig. 1, includes a tri-star wheel 1, the tri-star wheel 1 includes a tri-star wheel support arm 2 and a wheel 3 rotatably connected to the tri-star wheel support arm 2; the three-star wheel support arm 2 comprises three support legs 4; one end of each supporting leg foot 4, which is far away from the axle, extends out of the outer ring of the wheel 3; a gap is reserved between one end of the supporting leg foot 4 extending out of the outer ring of the wheel 3 and the ground.
When in use; can be when climbing stair, realize the landing leg foot and support the purpose on stair, such design has increased frictional force when climbing the building than before the wheel is pulling, effectively prevents the swift current of automobile body, still is the wheel on the level road like this and is moving in addition, does not influence normal use, when climbing the building, is the support and is doing relative motion to stair, can stop when climbing stair and have a rest, simple structure is reliable, and convenient to use is fit for using widely.
Preferably, as shown in fig. 2, a cushion block 5 capable of contacting the ground is detachably connected to one end of the supporting leg foot 4 extending out of the outer ring of the wheel 3, the cushion block 5 is inserted into the supporting leg foot 4, a clamping groove 41 is formed in the bottom surface of one end, close to the ground, of the supporting leg foot 4, and the cushion block 5 is clamped and matched with the clamping groove 41; the pad 5 protrudes out of the slot 41.
When the stair climbing device is used, the friction force between the supporting leg feet and the stair surface can be increased, and the stability of climbing stairs is increased; the insert-and-lock connection can facilitate replacement of the cushion block when the cushion block is damaged.
Example 4
The shopping cart provided in embodiment 4 of the present invention, please refer to fig. 1, includes a tri-star wheel 1, the tri-star wheel 1 includes a tri-star wheel support arm 2 and a wheel 3 rotatably connected to the tri-star wheel support arm 2; the three-star wheel support arm 2 comprises three support legs 4; one end of each supporting leg foot 4, which is far away from the axle, extends out of the outer ring of the wheel 3; a gap is reserved between one end of the supporting leg foot 4 extending out of the outer ring of the wheel 3 and the ground.
When in use; can be when climbing stair, realize the landing leg foot and support the purpose on stair, such design has increased frictional force when climbing the building than before the wheel is pulling, effectively prevents the swift current of automobile body, still is the wheel on the level road like this and is moving in addition, does not influence normal use, when climbing the building, is the support and is doing relative motion to stair, can stop when climbing stair and have a rest, simple structure is reliable, and convenient to use is fit for using widely.
Referring to fig. 2, a cushion block 5 capable of contacting the ground is detachably connected to one end, extending out of the outer ring of the wheel 3, of the supporting leg foot 4, the cushion block 5 is inserted into the supporting leg foot 4, a clamping groove 41 is formed in the bottom surface of one end, close to the ground, of the supporting leg foot 4, and the cushion block 5 is clamped and matched with the clamping groove 41; the pad 5 protrudes out of the slot 41.
Preferably, the inner wall of the clamping groove 41 is connected with a magnetic sheet 42; the cushion block 5 is connected with an iron sheet which is matched with the magnetic sheet 42 in an attraction way.
When the stair climbing device is used, the friction force between the supporting leg feet and the stair surface can be increased, and the stability of climbing stairs is increased; the insert-buckle connection can facilitate the replacement of the cushion block under the condition that the cushion block is damaged; meanwhile, the stability of splicing is improved and the cushion block is prevented from falling off under the attraction action of the magnetic sheet and the iron sheet.
Further preferably, the cushion block 5 is fixedly inserted into the clamping groove 41 through two-sided glue. The cushion block 5 is a rubber cushion block.
The present invention is not limited to the above-mentioned optional embodiments, and any other products in various forms can be obtained by anyone under the teaching of the present invention, and any changes in the shape or structure thereof, all the technical solutions falling within the scope of the present invention, are within the protection scope of the present invention.
Claims (9)
1. A shopping trolley is characterized by comprising a three-star wheel, wherein the three-star wheel comprises a three-star wheel support arm and a wheel rotationally connected to the three-star wheel support arm; the three-star wheel support arm comprises three support legs; one end of each leg foot, which is far away from the axle, extends out of the wheel outer ring; a gap is reserved between one end, extending out of the wheel outer ring, of the supporting leg foot and the ground.
2. The shopping cart as claimed in claim 1, wherein the end of said leg extending beyond said outer rim is detachably connected to a pad capable of contacting the ground.
3. The shopping cart as claimed in claim 2, wherein said spacer is screwed to said leg.
4. The shopping trolley according to claim 1, wherein when any two wheels of the tri-star wheel contact the ground, a gap exists between one end of each leg foot corresponding to the two wheels, which extends out of the outer ring of the wheel, and the ground.
5. The shopping cart as claimed in claim 2, wherein said pad is inserted into said leg foot.
6. The shopping trolley as claimed in claim 5, wherein a slot is formed on the bottom surface of one end of the leg foot close to the ground, and the cushion block is matched with the slot in a clamping manner; the cushion block protrudes out of the clamping groove.
7. The shopping trolley as claimed in claim 6, wherein the inner wall of the slot is connected with a magnetic sheet; and the cushion block is connected with an iron sheet which is matched with the magnetic sheet in an attracting way.
8. The shopping trolley as claimed in claim 6, wherein the pad block is connected with two-sided glue, and the pad block is fixedly inserted into the slot through the two-sided glue.
9. The shopping cart as claimed in claim 2, wherein said blocks are rubber blocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922324786.3U CN211166924U (en) | 2019-12-20 | 2019-12-20 | Shopping hand buggy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922324786.3U CN211166924U (en) | 2019-12-20 | 2019-12-20 | Shopping hand buggy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211166924U true CN211166924U (en) | 2020-08-04 |
Family
ID=71829346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922324786.3U Expired - Fee Related CN211166924U (en) | 2019-12-20 | 2019-12-20 | Shopping hand buggy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211166924U (en) |
-
2019
- 2019-12-20 CN CN201922324786.3U patent/CN211166924U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200804 Termination date: 20201220 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |