CN103640433B - A kind of castor - Google Patents
A kind of castor Download PDFInfo
- Publication number
- CN103640433B CN103640433B CN201310685539.0A CN201310685539A CN103640433B CN 103640433 B CN103640433 B CN 103640433B CN 201310685539 A CN201310685539 A CN 201310685539A CN 103640433 B CN103640433 B CN 103640433B
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- China
- Prior art keywords
- castor
- cliding seat
- selection mechanism
- bracket
- wheel shaft
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Abstract
The present invention relates to a kind of castor, it comprises support and wheel, and described wheel is rotatably mounted to described support by wheel shaft.Described castor also comprises stop mechanism, and described stop mechanism can stop described wheel rotate thus braked by described castor; Cliding seat, described cliding seat is set up on the bracket, and described wheel shaft is rotatably mounted on described cliding seat; Elastic component, described elastic component coordinates with described cliding seat, thus described cliding seat can be moved up or down under the effect of elastic component; And selection mechanism, by mobile described selection mechanism, thus brake described castor when castor is stressed or discharge described castor.
Description
Technical field
The present invention relates to a kind of castor, especially, relate to a kind of castor that can optionally brake.
Technical background
Castor is used for being placed in below equipment so that mobile device.Castor generally includes wheel and support, takes turns and is filled to support by wheel shaft by pivot.When wheel rotates around wheel shaft, namely by castor mobile device.
Existing castor mainly comprises three kinds.The first is conventional castor, and whether this castor is no matter stressed, always can rotate thus mobile device.The second is the castor braked under force-bearing situation, and when namely castor is stressed, wheel is namely locked thus can not mobile device, and when not stressing, wheel can rotate around wheel shaft thus can mobile device.The third castor be braked when being and not stressing, when namely castor is stressed, wheel can rotate around wheel shaft thus can mobile device, and when not stressing, and wheel is locked thus can not mobile device.
In prior art, also there is no a kind of castor that the function of above three kinds of castors can be combined, therefore go up, need to provide a kind of castor that can optionally braking.
Summary of the invention
Of the present inventionly be to provide a kind of castor, this castor can optionally be braked, and namely in different mode of operations, castor, when force-bearing situation is different, can optionally be braked, or no matter whether stressed can both rotary motion.
To achieve these goals, castor of the present invention comprises support and wheel, and described wheel is rotatably mounted to described support by wheel shaft.Described castor also comprises stop mechanism, and described stop mechanism can stop described wheel rotate thus braked by described castor; Cliding seat, described cliding seat is set up on the bracket, and described wheel shaft is rotatably mounted on described cliding seat; Elastic component, described elastic component coordinates with described cliding seat, thus described cliding seat can be moved up or down under the effect of elastic component; And selection mechanism, by mobile described selection mechanism, thus brake described castor when castor is stressed or discharge described castor.
In the present invention, by mobile selection mechanism, castor can obtain three kinds of different patterns.In a first mode, whether castor is no matter stressed, always can rotate; In the second pattern, castor can rotate when not stressing, and when stressed, by means of cliding seat and elastic component, wheel shaft and wheel can by together with move until described castor is braked by stop mechanism; In the third pattern, described castor, when not stressing, is braked by stop mechanism by castor, and when stressed, by means of cliding seat and elastic component, wheel shaft and wheel can by together with move until stop mechanism discharges described castor.
In one embodiment, described support comprises the cavity for holding described cliding seat and selection mechanism, and described elastic component is arranged between the wall of described cavity and described cliding seat.Preferably, described elastic component is Compress Spring.
In one embodiment, described stop mechanism comprises setting bracket teeth on the bracket and is arranged on the described gear teeth of taking turns, described bracket teeth can with described tooth mesh.
In a preferred embodiment, described bracket teeth comprises upper bracket tooth and lower bracket tooth; When described cliding seat is together with described wheel shaft during upward movement, the described gear teeth can engage with described upper bracket tooth, and when described cliding seat moves downward together with described wheel shaft, the described gear teeth can engage with described lower bracket tooth.
In one embodiment, described selection mechanism comprises body and is arranged on the chute on body, described wheel shaft passes described chute and can move in described chute, and when described wheel shaft is in the diverse location of described chute, described take turns different stressed under optionally can be in braking mode.
In a preferred embodiment, described chute comprises lateral part and is arranged on the longitudinal component at two ends of described lateral part, and described longitudinal component extends respectively up or down perpendicular to described lateral part.
In one embodiment, described selection mechanism is limited in described internal stent by inserted block, thus makes described selection mechanism can only transverse shifting.
In one embodiment, described selection mechanism is provided with handle, so that user promotes described selection mechanism on the body that described handle is fixed to selection mechanism.
In one embodiment, described castor also comprises bracket cover, and described bracket cover to be positioned at above described support and to be connected with described support.
Accompanying drawing explanation
Fig. 1 shows the exploded view of a kind of embodiment of castor of the present invention.
Fig. 2 shows the block diagram of the support of the castor shown in Fig. 1.
Fig. 3 shows the block diagram of the selection mechanism of the castor shown in Fig. 1.
Fig. 4 a-4e respectively illustrates the installation process of castor of the present invention.
Fig. 5 a-5c respectively illustrates three kinds of different working modes of castor of the present invention.
Detailed description of the invention
Hereinafter with reference to accompanying drawing and in conjunction with detailed description of the invention, elaborate structure and other aspects of castor of the present invention further.
Fig. 1 shows the exploded view of a kind of embodiment of castor of the present invention.As shown in the figure, castor of the present invention comprises support 10 and wheel 11, and wheel 11 is fixedly attached to wheel shaft 12, and wheel shaft 12 is with wheel 11 and then be rotatably mounted to support 10.In the embodiment shown in Fig. 1, be provided with the two ends that two wheels, 11, two wheels 11 are fixedly attached to wheel shaft 12.
As shown in Figure 2, support 10 comprises cavity 101 further, and cavity 101 is for holding cliding seat 13 and the selection mechanism 15 of castor of the present invention.This can describe hereinafter in further detail.
In a preferred embodiment, cavity 101 comprises the Part I 102 for holding cliding seat 13 and the Part II 103 for holding selection mechanism 15.
In the present invention, castor also comprises cliding seat 13, and cliding seat 13 is arranged in the Part I 102 of cavity 101.In the embodiment shown in fig. 1, cliding seat 13 comprises shank 131 and the axis hole 132 that is formed on cliding seat 13 and space 133.When installing castor, wheel shaft 12 can pass axis hole 132, and be rotatably mounted on cliding seat 13.
As Figures 1 and 4 shown in a, castor of the present invention further comprises elastic component 14, and in a preferred embodiment, elastic component 14 can be such as Compress Spring 14.In the implementations shown in the figures, Compress Spring 14 is also arranged in the Part I 102 of cavity 101, between the cavity wall and cliding seat 13 of Part I 102, thus when being compressed at Compress Spring 14 or be released at Compress Spring 14, cliding seat 13 can in the Part I 102 of cavity 101 upwards or slide downward.Preferably, the shank 131 of cliding seat 13 is positioned at Compress Spring 14.
As Figures 1 and 4 shown in b, castor of the present invention further comprises selection mechanism 15, and selection mechanism 15 is arranged in the Part II 103 of cavity 101, and selection mechanism 15 can be moved in the Part II 103 of cavity 101.By mobile selection mechanism 15, castor can obtain three kinds of different mode of operations, thus can optionally be braked.
Fig. 3 shows a kind of embodiment of selection mechanism 15.In the embodiment shown, selection mechanism 15 comprises body 151 and is arranged on the chute 152 on body 151, and wheel shaft 12 can pass chute 152 and rotate in chute 152, and in installing condition, body 151 is positioned at the space 133 of cliding seat 13.When wheel shaft 12 is positioned at the diverse location of chute 152, castor of the present invention can obtain three kinds of different mode of operations, thus can optionally be braked.
As shown in Figure 3 preferred embodiment in, chute 152 comprise lateral part 155 and lay respectively at lateral part 155 two ends and in essence perpendicular to lateral part 155 to the longitudinal component 156 of downward-extension and the longitudinal component 157 that upwards extends.When wheel shaft 12 is positioned at 155 place, lateral part, castor can be in a kind of mode of operation, and wherein whether castor is no matter stressed, all can not be braked.And when castor is positioned at vertical part 156 or 157 place, castor can when stressed or be braked when not stressing, and this can describe hereinafter in further detail.
In a preferred embodiment, selection mechanism 15 also comprises handle 158, and handle 158 is convenient to user and is moved selection mechanism 15.
As Figures 1 and 4 shown in c, castor of the present invention also comprises stop mechanism, and stop mechanism can stop wheel 11 to rotate thus be braked by castor.In one embodiment, stop mechanism comprises setting bracket teeth 106 over the mount 10 and the gear teeth 111 be arranged on wheel 11.When cliding seat 13 and wheel shaft 12 downwards or when moving up, bracket teeth 106 can engage with the gear teeth 111, thus stop wheel 11 to further rotate, and then castor braked.
In a preferred embodiment, bracket teeth 106 comprises upper bracket tooth 107 and lower bracket tooth 108, and the gear teeth 111 are by the cylinder be arranged on wheel 11 and to be arranged on cylinder lateral surface and the tooth circumferentially distributed is formed.Distance between upper bracket tooth 107 and lower bracket tooth 108 is greater than the diameter of circumferential body, thus guarantees that cliding seat 13 and wheel shaft 12 can move up and down.
As Figures 1 and 4 shown in d, in a preferred embodiment, castor of the present invention also comprises inserted block 18, inserted block 18 for the opening of shutoff cavity 101, with selection mechanism 15 to be limited in cavity 101 and make selection mechanism 15 can in cavity 101 transverse shifting.In one embodiment, inserted block 18 is provided with the cell body of dovetail form, accordingly, is provided with the Plug Division 109 of matching with cell body over the mount 10.Further, front end 181 place of inserted block 18 is provided with breach 182, as shown in Figure 1, so that inserted block 18 can be inserted into along Plug Division 109.
Hereinafter in detail the installation process according to the castor of one embodiment of the present invention will be described, so that clearly understand castor of the present invention.
Fig. 4 a shows the cliding seat 13 of castor of the present invention and the installation process of elastic component 14.In fig .4, in order to clearly illustrate the installation of cliding seat 13 and elastic component 14, eliminate a sidewall of cavity 101 so that observe.As shown in the figure, cliding seat 13 is arranged in the Part I 102 of cavity 101, elastic component 14(such as Compress Spring) be arranged between the diapire of Part I 102 and cliding seat 13.
Fig. 4 b shows the installation process of the selection mechanism 15 of castor of the present invention.In fig. 4b, in order to clearly illustrate the installation of selection mechanism 15, eliminate a sidewall of cavity 101 so that observe.When mounted, the body 151 of selection mechanism 15 is inserted in the space 133 of cliding seat 13, and the axis hole 132 of cliding seat 13 can be aimed at the chute 152 of selection mechanism 15, with the chute 152 making wheel shaft 12 can pass the axis hole 105 of support 10, the axis hole 132 of cliding seat 13 and selection mechanism 15 successively, as illustrated in fig. 4 c.
Fig. 4 d shows the installation process of the inserted block 18 of castor of the present invention.Inserted block 18 can be inserted into along the Plug Division 109 of support 10, thus is fixed on support 10 by inserted block 18, as shown in fig 4e.Now, wheel 11 can be mounted to the two ends of wheel shaft 12.
Hereinafter according to a kind of embodiment of castor of the present invention, describe the mode of operation of castor of the present invention in detail.
Fig. 5 a shows a kind of mode of operation of castor of the present invention.In this mode of operation, the wheel shaft 12 of castor is in the lateral part 155 of the chute 152 of selection mechanism 15.Due to the restriction of lateral part 155, cliding seat 13 and wheel shaft 12 all can not move up and down, now, no matter castor whether stressed (such as gravity), the bracket teeth 107 and 108 of stop mechanism all can not engage with the gear teeth 111, and therefore castor can be rotated all the time, and this is equivalent to conventional castor.
Fig. 5 b shows the second mode of operation of castor of the present invention.In this mode of operation, by mobile selection mechanism 15, the wheel shaft 12 of castor is in the vertical part 156 of chute 152.When castor does not stress, cliding seat 13 and wheel shaft 12 move down under the effect of the restoring force of Compress Spring 14 until the gear teeth 111 engage with lower bracket tooth 108, and now namely castor is braked.When castor stressed (such as gravity), Compress Spring 14 is compressed, cliding seat 13 and wheel shaft 12 move up in cavity, until wheel shaft 12 arrives the upper end of longitudinal component 156 and is limited further movement, now the gear teeth 111 do not engage with upper bracket tooth 107 and lower bracket tooth 108, then castor can be rotated.This castor be braked when being equivalent to existing not stressing.
Fig. 5 c shows the third mode of operation of castor of the present invention.In this mode of operation, by mobile selection mechanism 15, the wheel shaft 12 of castor is in the vertical part 157 of chute 152.When castor stressed (such as gravity), Compress Spring 14 is compressed, and cliding seat 13 and wheel shaft 12 move up in cavity, until the upper bracket tooth 107 of support 10 engages with the gear teeth 111, now namely castor is braked.When being applied to the power on castor and being unloaded, cliding seat 13 and wheel shaft 12 move down under the effect of the restoring force of Compress Spring 14 until wheel shaft 12 arrives the lower end of longitudinal component 157 and is limited further movement, now, the gear teeth 111 do not engage with upper bracket tooth 107 and lower bracket tooth 108, then castor can be rotated.This be equivalent to existing stressed time the castor that is braked.
These are only the preferred embodiments of the present invention, but design concept of the present invention is not limited thereto, all insubstantial modifications utilizing this design to make the present invention, also all fall within protection scope of the present invention.
Claims (8)
1. a castor, it comprises support and wheel, and described wheel is rotatably mounted to described support by wheel shaft, it is characterized in that, described castor also comprises
Stop mechanism, described stop mechanism can stop described wheel rotate thus braked by described castor;
Cliding seat, described cliding seat is set up on the bracket, and described wheel shaft is rotatably mounted on described cliding seat;
Elastic component, described elastic component coordinates with described cliding seat, thus described cliding seat can be moved up or down under the effect of elastic component; And
Selection mechanism, by mobile described selection mechanism, thus brakes described castor or discharges described castor when castor is stressed;
Wherein, described stop mechanism comprises setting bracket teeth on the bracket and is arranged on the described gear teeth of taking turns, described bracket teeth can with described tooth mesh;
Wherein, described bracket teeth comprises upper bracket tooth and lower bracket tooth; When described cliding seat is together with described wheel shaft during upward movement, the described gear teeth can engage with described upper bracket tooth, and when described cliding seat moves downward together with described wheel shaft, the described gear teeth can engage with described lower bracket tooth.
2. castor according to claim 1, is characterized in that, described support comprises the cavity for holding described cliding seat and selection mechanism, and described elastic component is arranged between the wall of described cavity and described cliding seat.
3. castor according to claim 1, is characterized in that, described elastic component is Compress Spring.
4. castor according to claim 1, it is characterized in that, described selection mechanism comprises body and is arranged on the chute on body, described wheel shaft passes described chute and can move in described chute, and when described wheel shaft is in the diverse location of described chute, and brake described castor when castor is stressed or discharge described castor.
5. castor according to claim 4, is characterized in that, described chute comprises lateral part and is arranged on the longitudinal component at two ends of described lateral part, and described longitudinal component extends respectively up or down perpendicular to described lateral part.
6. castor according to claim 4, is characterized in that, described selection mechanism is limited in described internal stent by inserted block, thus makes described selection mechanism can only transverse shifting.
7. castor according to claim 4, is characterized in that, described selection mechanism is provided with handle, so that user promotes described selection mechanism on the body that described handle is fixed to selection mechanism.
8. castor according to claim 1, is characterized in that, described castor also comprises bracket cover, and described bracket cover to be positioned at above described support and to be connected with described support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310685539.0A CN103640433B (en) | 2013-12-16 | 2013-12-16 | A kind of castor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310685539.0A CN103640433B (en) | 2013-12-16 | 2013-12-16 | A kind of castor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103640433A CN103640433A (en) | 2014-03-19 |
| CN103640433B true CN103640433B (en) | 2016-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310685539.0A Active CN103640433B (en) | 2013-12-16 | 2013-12-16 | A kind of castor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103640433B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016123080A1 (en) * | 2016-11-30 | 2018-05-30 | Gross + Froelich Gmbh & Co. Kg | Roller with braking device |
| CN206501650U (en) * | 2016-12-14 | 2017-09-19 | 马展雄 | Pressure type brake wheel |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2380413Y (en) * | 1999-07-13 | 2000-05-31 | 陈幸珍 | Operation-effort saved castor |
| DE10000126A1 (en) * | 2000-01-04 | 2001-07-19 | Kurt Wingender | Furniture castor with replaceable wheels has release mechanism with manually actuated press stud to remove wheels from axle |
| GB2416007A (en) * | 2004-07-07 | 2006-01-11 | Lian Li Ind Co Ltd | Wheel braking / locking structure |
| CN203157594U (en) * | 2012-12-18 | 2013-08-28 | 福州施可瑞光电科技有限公司 | Control caster provided with double pedals |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5652964B2 (en) * | 2012-04-04 | 2015-01-14 | 蔡博全 | Caster with brake |
-
2013
- 2013-12-16 CN CN201310685539.0A patent/CN103640433B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2380413Y (en) * | 1999-07-13 | 2000-05-31 | 陈幸珍 | Operation-effort saved castor |
| DE10000126A1 (en) * | 2000-01-04 | 2001-07-19 | Kurt Wingender | Furniture castor with replaceable wheels has release mechanism with manually actuated press stud to remove wheels from axle |
| GB2416007A (en) * | 2004-07-07 | 2006-01-11 | Lian Li Ind Co Ltd | Wheel braking / locking structure |
| CN203157594U (en) * | 2012-12-18 | 2013-08-28 | 福州施可瑞光电科技有限公司 | Control caster provided with double pedals |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103640433A (en) | 2014-03-19 |
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