CN206817592U - Fold castor and there is its warmer - Google Patents
Fold castor and there is its warmer Download PDFInfo
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- CN206817592U CN206817592U CN201720479978.XU CN201720479978U CN206817592U CN 206817592 U CN206817592 U CN 206817592U CN 201720479978 U CN201720479978 U CN 201720479978U CN 206817592 U CN206817592 U CN 206817592U
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- folding
- castor
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- assembly
- expansion
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Abstract
The utility model discloses a kind of folding castor and there is its warmer, the folding castor includes：Base；Castor assembly, the castor assembly are installed in rotation on the base between extended and collapsed positions, and the castor assembly is provided with expansion spacing preiection and folds spacing preiection；When the castor assembly is located at the expanded position, the base, which stops, to be supported the expansion spacing preiection castor assembly is maintained to the power of the expanded position to provide；When the castor assembly is located at the folding position, the base, which stops, supports the expansion spacing preiection and the castor assembly is maintained at the power of the folding position by the spacing preiection that folds to provide.According to folding castor of the present utility model, replace frictional force to position using backstop positioning, there is use reliability height, long lifespan.
Description
Technical field
Electrical equipment manufacturing technology field is the utility model is related to, castor is folded in particular to one kind and there is the folding
The warmer of folded castor.
Background technology
In field of household appliances, the castor for facilitating product to move generally is set in product bottom, and in order to reduce complete machine packaging,
The castor generally use folds castor.
Folding castor in correlation technique, spring locking device or friction locking unit are relied primarily on to realize expansion and folding
It is folded.Because spring locking device and friction locking unit are required to position by frictional force in use, easily abrasion, is caused
Coupling mechanism force not enough causes partial function to fail during expansion, cause to fold castor use reliability is poor, short life.
Utility model content
The utility model is intended at least solve one of technical problem present in prior art.Therefore, the utility model carries
Go out a kind of folding castor, the folding castor has the advantages that use reliability height, long lifespan.
The utility model also proposes a kind of warmer with the folding castor.
A kind of folding castor is proposed according to first aspect of the present utility model, the folding castor includes：Base；Casters group
Part, the castor assembly are installed in rotation on the base between extended and collapsed positions, the castor assembly
It is provided with expansion spacing preiection and folds spacing preiection；When the castor assembly is located at the expanded position, the base only supports
The castor assembly is maintained at the power of the expanded position to provide by the expansion spacing preiection；The castor assembly is located at institute
When stating folding position, the base only supports the expansion spacing preiection and the folding spacing preiection to provide the casters group
Part is maintained at the power of the folding position.
According to folding castor of the present utility model, replace frictional force to position using backstop positioning, have use reliability it is high,
The advantages that long lifespan.
The castor assembly sets and stretches out the base in the horizontal direction down when being located at the expanded position, described
Towards horizontal direction and the lower section of the base is accommodated in when castor assembly is located at the folding position.
The expansion spacing preiection has expansion confined planes and the first folding confined planes being connected with the expansion confined planes,
The folding spacing preiection has second to fold confined planes；When the castor assembly is located at the expanded position, the base stops
To the expansion confined planes；When the castor assembly is located at the folding position, it is spacing that the base only supports the described first folding
Face and described second folds confined planes.
The expansion confined planes and described first fold arc transition between confined planes.
The first folding confined planes are circular arc in the longitudinal section of the expansion spacing preiection.
The expansion spacing preiection is arranged at intervals for the length direction of multiple and along the castor assembly pivot centers, institute
State and fold length direction interval setting of the spacing preiection for multiple and along the castor assembly pivot centers.
The castor assembly is installed in rotation on the base by hinge axis, is combined with and is used on the hinge axis
Spacing backing pin is carried out to the castor assembly in the axial direction of the hinge axis.
The castor assembly includes：Trundle bracket, the trundle bracket are installed in rotation on the base, the exhibition
Open spacing preiection and the folding spacing preiection is located on the trundle bracket；Universal wheel, the universal wheel are arranged on the pin
On wheel support.
Pivot center of the pivot center of the universal wheel perpendicular to the trundle bracket.
The castor assembly is two and is located at the both ends of the base respectively.
The folding castor also includes：U-shaped mounting bracket, the both ends of the U-shaped mounting bracket are removably mounted on institute respectively
State on base.
A kind of warmer is proposed according to second aspect of the present utility model, the warmer is included according to of the present utility model
Folding castor described in first aspect.
According to warmer of the present utility model, by using the folding feet according to first aspect of the present utility model
Wheel, easy to remove and complete machine packaging, and there is use reliability height and long lifespan.
Additional aspect and advantage of the present utility model will be set forth in part in the description, partly by from following description
In become obvious, or by it is of the present utility model practice recognize.
Brief description of the drawings
Of the present utility model above-mentioned and/or additional aspect and advantage will in the description from combination accompanying drawings below to embodiment
Become obvious and be readily appreciated that, wherein：
Fig. 1 is the explosive view according to the folding castor of the utility model embodiment.
Fig. 2 is according to the structural representation of the folding castor of the utility model embodiment when castor assembly is in the deployed
Figure.
Fig. 3 is according to the broken section of the folding castor of the utility model embodiment when castor assembly is in the deployed
Figure.
Fig. 4 is according to the structural representation of the folding castor of the utility model embodiment when castor assembly is in folding position
Figure.
Fig. 5 is according to the broken section of the folding castor of the utility model embodiment when castor assembly is in folding position
Figure.
Reference：
Folding castor 10,
Base 100,
Castor assembly 200, expansion spacing preiection 210, the expansion folding of confined planes 211, first confined planes 212, folding are spacing
Projection 220, second fold confined planes 221, trundle bracket 230, universal wheel 240,
Hinge axis 310, backing pin 320,
U-shaped mounting bracket 400.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, is only used for explaining the utility model, and it is not intended that to of the present utility model
Limitation.
In description of the present utility model, it is to be understood that the orientation or position of the instruction such as term " on ", " under " " level "
It is based on orientation shown in the drawings or position relationship to put relation, is for only for ease of description the utility model and simplifies description, and
It is not instruction or implies signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore
It is not intended that to limitation of the present utility model.In addition, define " first ", the feature of " second " can be expressed or impliedly
Including one or more this feature.In description of the present utility model, unless otherwise indicated, " multiple " are meant that two
Or two or more.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
Below with reference to the accompanying drawings folding castor 10 according to the utility model embodiment is described.
As Figure 1-Figure 5, base 100 and castor assembly are included according to the folding castor 10 of the utility model embodiment
200。
Castor assembly 200 is installed in rotation on base 100 between extended and collapsed positions, castor assembly
200 are provided with expansion spacing preiection 210 and fold spacing preiection 220.
When castor assembly 200 is located at the expanded position (as shown in Figures 2 and 3), base 100 only supports expansion spacing preiection
210 are maintained at castor assembly 200 to provide the power of the expanded position.
When castor assembly 200 is located at the folding position (as shown in Figure 4 and Figure 5), base 100 only supports expansion spacing preiection
210 are maintained at castor assembly 200 with offer with folding spacing preiection 220 power of the folding position.
Need exist for being appreciated that, castor assembly 200 can be supported in ground when being located at expanded position, so as to carry heating
The products such as device move, such as set down and stretch out base in the horizontal direction when castor assembly 200 is located at the expanded position
100；
When castor assembly 200 is located at folding position and base 100 is in folded state, so as to reduce the entirety for folding castor 10
Space-consuming, such as castor assembly 200 towards horizontal direction and are accommodated in the lower section of base 100 when being located at the folding position.
Support that castor assembly 200 is maintained at into the power of expanded position and folding position is one in addition, stopping above by base 100
Individual relative power, and being not necessarily referring to castor assembly 200 can not rotate completely in expanded position and folding position, when the external force of application
When sufficiently large, above-mentioned confining force can be overcome and castor assembly 200 is rotated between extended and collapsed positions.
According to the folding castor 10 of the utility model embodiment, by setting expansion spacing preiection on castor assembly 200
210 and spacing preiection 220 is folded, support power pair using deploying spacing preiection 210 and fold stopping for spacing preiection 220 and base 100
The position of castor assembly 200 is positioned, and replaces the frictional force in correlation technique to position using backstop positioning, by castor assembly
200 are maintained at the expanded position for being easy to work and are easy to the folding position of packaging, greatly reduce the mill that frictional force positioning belt comes
Damage, so as to effectively improve the reliability and service life that use.Therefore, being had according to folding castor 10 of the present utility model makes
The advantages that with reliability height, long lifespan.
Below with reference to the accompanying drawings folding castor 10 according to the utility model specific embodiment is described.
As Figure 1-Figure 5, base 100 and castor assembly are included according to the folding castor 10 of the utility model embodiment
200。
Specifically, as Figure 1-Figure 5, castor assembly 200 includes trundle bracket 230 and universal wheel 240.Trundle bracket
230 are installed in rotation on base 100, and expansion spacing preiection 210 and folding spacing preiection 220 are located on trundle bracket 230.
Universal wheel 240 is arranged on trundle bracket 230.Wherein, trundle bracket 230 is used to drive castor assembly 200 overall in expansion position
Put and rotated between folding position, and when castor assembly 200 is in the deployed, universal wheel 240 can pass through the rotation of itself
Realize the movement in each horizontal direction.
For example, trundle bracket 230 is horizontal (as shown in Figure 2) when castor assembly 200 is in the deployed, pin
Trundle bracket 230 is in vertical state (as shown in Figure 4) when wheel assembly 200 is in folding position.
Further, in order to when castor assembly 200 is in the deployed, ensure to fold the stationarity that castor 10 moves,
Pivot center of the pivot center of universal wheel 240 perpendicular to trundle bracket 230.
Alternatively, as depicted in figs. 1 and 2, castor assembly 200 is installed in rotation on base 100 by hinge axis 310
On, it is combined with hinge axis 310 for carrying out spacing backing pin 320 to castor assembly 200 in the axial direction of hinge axis 310.Tool
Body, a part for trundle bracket 230 is located in base 100, and hinge axis 310 is each passed through base 100 and trundle bracket 230
Part in base 100, one end of hinge axis 310 coordinate with gear cap and the other end with radial perforation, backing pin 320
In radial perforation, backing pin 320 and gear cap are respectively positioned at the both sides of base 100, so as to which castor assembly 200 is rotationally pacified
On base 100, and realize axially position of the castor assembly 200 on base 100.
In some specific embodiments of the present utility model, as shown in Figure 3 and Figure 5, expansion spacing preiection 210 has expansion
Confined planes 211 and the first folding confined planes 212 being connected with expansion confined planes 211, folding spacing preiection 220 has second to fold
Confined planes 221.
When castor assembly 200 is located at the expanded position (as shown in Figure 3), base 100 only supports expansion confined planes 211, hinge
Chain rivet 310, universal wheel 240, trundle bracket 230 and expansion spacing preiection 210 collectively constitute a simple beam structure, and expansion is spacing
Castor assembly 200 can be not only maintained at expansion by the stress of expansion confined planes 211 of projection 210 in base 100, such structure
Position, and the life-span for folding castor 10 can not extended by the frictional force before base 100 and trundle bracket 230.
When castor assembly 200 is located at the folding position (as shown in Figure 5), base 100 only supports first and folds confined planes 212
Confined planes 221 are folded with second, now, the first folding confined planes 212 and second fold confined planes 221 and are located at trundle bracket respectively
230 both sides, in the two directions stress effectively prevent the large rotation angle of trundle bracket 230 in base 100, so as to by pin
Wheel assembly 200 is maintained at folding position, convenient for collecting, plays the effect for reducing Package size.
Further, as shown in Figure 3 and Figure 5, first confined planes 212 are folded in (the exhibition of the longitudinal section of expansion spacing preiection 210
Open the section along its length of spacing preiection 210) in be circular arc, expansion confined planes 211 and first folding confined planes 212
Between arc transition.Thus, it is possible to reduce the first folding confined planes 212 and the expansion folding confined planes of confined planes 211 and first
The obstruction that 212 junction rotates to trundle bracket 230, make turn of castor assembly 200 between extended and collapsed positions
It is dynamic more smooth.
In some specific examples of the present utility model, as shown in figure 1, expansion spacing preiection 210 is multiple and along castor
The length direction of the pivot center of support 230 is arranged at intervals, and folds spacing preiection 220 as turn multiple and along trundle bracket 230
The length direction of shaft line is arranged at intervals.So castor assembly 200 is limited multiple expansion in expanded position, by base 100
The effect holding position of plane 211, and castor assembly 200 is folded spacing at folding position by base 100 to multiple first
Face 212 and multiple second folds the effect holding position of confined planes 221, and then can further improve castor assembly 200 and open up
Stability when open position and folding position.
Alternatively, as shown in Figure 1, Figure 2 and Figure 4, castor assembly 200 is two and is located at the both ends of base 100 respectively, two
When individual castor assembly 200 is respectively positioned on expanded position, common support and bearing base 100, base 100 is driven steadily to move.
In some specific embodiments of the present utility model, as Figure 1-Figure 5, folding castor 10 also includes U-shaped installation
Frame 400, U-shaped mounting bracket 400 it is opening down, the both ends of U-shaped mounting bracket 400 are removably mounted on base 100 respectively.Profit
The integral installation of castor 10 can will be folded on product with the U-shaped mounting bracket 400, such as U-shaped mounting bracket 400 can be arranged on
On the hub of warmer.
The warmer according to the utility model embodiment is described below, is included according to the warmer of the utility model embodiment
According to the folding castor 10 of the utility model above-described embodiment.
According to warmer of the present utility model, by using the folding castor 10 according to the utility model above-described embodiment,
Easy to remove and complete machine packaging, and there is use reliability height and long lifespan.
According to the utility model embodiment warmer other form and operate for those of ordinary skill in the art and
Speech is all known, is not detailed herein.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means to combine specific features, the knot that the embodiment or example describe
Structure, material or feature are contained at least one embodiment or example of the present utility model.In this manual, to above-mentioned art
The schematic representation of language is not necessarily referring to identical embodiment or example.Moreover, description specific features, structure, material or
Person's feature can combine in an appropriate manner in any one or more embodiments or example.
While there has been shown and described that embodiment of the present utility model, it will be understood by those skilled in the art that：
These embodiments can be carried out with a variety of changes, modification in the case where not departing from principle and objective of the present utility model, replaced
And modification, the scope of the utility model are limited by claim and its equivalent.
Claims (12)
1. one kind folds castor, it is characterised in that including：
Base；
Castor assembly, the castor assembly are installed in rotation on the base between extended and collapsed positions, institute
Castor assembly is stated to be provided with expansion spacing preiection and fold spacing preiection；
When the castor assembly is located at the expanded position, the base only supports the expansion spacing preiection to provide the pin
Wheel assembly is maintained at the power of the expanded position；
When the castor assembly is located at the folding position, the base only supports the expansion spacing preiection and the folding is spacing
The castor assembly is maintained at the power of the folding position to provide by projection.
2. folding castor according to claim 1, it is characterised in that the court when castor assembly is located at the expanded position
Lower setting and stretch out the base in the horizontal direction, when the castor assembly is located at the folding position towards horizontal direction and
It is accommodated in the lower section of the base.
3. folding castor according to claim 1, it is characterised in that it is described expansion spacing preiection have expansion confined planes and
First to be connected with the expansion confined planes folds confined planes, and the folding spacing preiection has second to fold confined planes；
When the castor assembly is located at the expanded position, the base only supports the expansion confined planes；
When the castor assembly is located at the folding position, the base only supports described first and folds confined planes and second folding
Folded confined planes.
4. folding castor according to claim 3, it is characterised in that the expansion confined planes and first folding are spacing
Arc transition between face.
5. folding castor according to claim 3, it is characterised in that the first folding confined planes are spacing in the expansion
It is circular arc in raised longitudinal section.
6. folding castor according to claim 1, it is characterised in that the expansion spacing preiection is multiple and along the pin
The length direction of the pivot center of wheel assembly is arranged at intervals, and the spacing preiection that folds is turn multiple and along the castor assembly
The length direction of shaft line is arranged at intervals.
7. folding castor according to claim 1, it is characterised in that the castor assembly is rotationally pacified by hinge axis
On the base, it is combined with the hinge axis for being limited in the axial direction of the hinge axis the castor assembly
The backing pin of position.
8. the folding castor according to any one of claim 1-6, it is characterised in that the castor assembly includes：
Trundle bracket, the trundle bracket are installed in rotation on the base, the expansion spacing preiection and the folding
Spacing preiection is located on the trundle bracket；
Universal wheel, the universal wheel are arranged on the trundle bracket.
9. folding castor according to claim 8, it is characterised in that the pivot center of the universal wheel is perpendicular to the pin
The pivot center of wheel support.
10. the folding castor according to any one of claim 1-6, it is characterised in that the castor assembly be two and
It is located at the both ends of the base respectively.
11. the folding castor according to any one of claim 1-6, it is characterised in that also include：
U-shaped mounting bracket, the both ends of the U-shaped mounting bracket are removably mounted on the base respectively.
12. a kind of warmer, it is characterised in that including the folding castor according to any one of claim 1-11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720479978.XU CN206817592U (en) | 2017-04-28 | 2017-04-28 | Fold castor and there is its warmer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720479978.XU CN206817592U (en) | 2017-04-28 | 2017-04-28 | Fold castor and there is its warmer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206817592U true CN206817592U (en) | 2017-12-29 |
Family
ID=60755167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720479978.XU Active CN206817592U (en) | 2017-04-28 | 2017-04-28 | Fold castor and there is its warmer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206817592U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109764403A (en) * | 2019-02-12 | 2019-05-17 | 珠海格力电器股份有限公司 | Electric heater and its foot rest structure used |
| CN109827235A (en) * | 2019-03-20 | 2019-05-31 | 珠海格力电器股份有限公司 | Shell structure and electric heater with it |
| WO2023274152A1 (en) * | 2021-06-29 | 2023-01-05 | 东莞金旺儿童用品有限公司 | Wheel assembly device |
-
2017
- 2017-04-28 CN CN201720479978.XU patent/CN206817592U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109764403A (en) * | 2019-02-12 | 2019-05-17 | 珠海格力电器股份有限公司 | Electric heater and its foot rest structure used |
| CN109764403B (en) * | 2019-02-12 | 2024-05-03 | 珠海格力电器股份有限公司 | Electric heater and foot rest structure used by same |
| CN109827235A (en) * | 2019-03-20 | 2019-05-31 | 珠海格力电器股份有限公司 | Shell structure and electric heater with it |
| WO2023274152A1 (en) * | 2021-06-29 | 2023-01-05 | 东莞金旺儿童用品有限公司 | Wheel assembly device |
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