CN111376648A - Caster device - Google Patents
Caster device Download PDFInfo
- Publication number
- CN111376648A CN111376648A CN201811617763.5A CN201811617763A CN111376648A CN 111376648 A CN111376648 A CN 111376648A CN 201811617763 A CN201811617763 A CN 201811617763A CN 111376648 A CN111376648 A CN 111376648A
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- CN
- China
- Prior art keywords
- brake
- seat
- wheel
- rod
- shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B33/00—Castors in general; Anti-clogging castors
- B60B33/0078—Castors in general; Anti-clogging castors characterised by details of the wheel braking mechanism
Abstract
A caster device, comprising: the device comprises a wheel seat, a moving unit, a braking unit and a driving unit; the moving unit is arranged on the wheel seat in a penetrating mode and comprises two rotating wheels capable of rotating, and each rotating wheel is provided with a plurality of first tooth grooves which are arranged in a surrounding mode at intervals; the brake unit comprises a brake seat and a first brake rod, the brake seat can move relative to the wheel seat at a brake position and a movable position, and the first brake rod moves upwards and is embedded into the corresponding first tooth groove when the brake seat is at the brake position compared with the movable position; the driving unit comprises a brake driving plate and a brake releasing driving plate, the brake driving plate swings downwards to enable the brake base to move to the brake position, the brake releasing driving plate swings downwards to enable the brake base to move to the movable position, and the brake releasing driving device is simple in operation and more suitable for habits.
Description
Technical Field
The invention relates to a caster, in particular to a caster device with a brake function.
Background
Generally, for convenience of movement, a plurality of casters are mounted below a stage on which an article is placed. In order to prevent the platform deck from moving by itself in places with uneven ground, casters with brake pedals are available in the market. The caster wheel can control the carrying platform to move, and the foot is used for treading the brake pedal to limit the rotation of the caster wheel when needed, and when the carrying platform needs to be moved again, the caster wheel is usually designed to be used for poking the brake pedal in the opposite direction to remove the limitation, the poking of the brake pedal by the foot in the opposite direction is not in line with the operation habit of a user, and the user often needs to try too much time because the user does not know whether the brake pedal brakes or removes the brake when the brake pedal is treaded, so that the use is inconvenient, and the space for improvement is still remained.
Disclosure of Invention
The object of the present invention is to provide a castor wheel assembly which overcomes at least one of the drawbacks of the prior art.
The caster device of the present invention comprises: wheel seat, mobile unit, brake unit, and drive unit. The wheel seat defines two first shaft holes which are spaced left and right and are communicated with each other, and an accommodating space which is positioned above the first shaft holes; the moving unit comprises a wheel shaft penetrating through the first shaft hole and two rotating wheels which are arranged at the left end and the right end of the wheel shaft and can rotate, each rotating wheel comprises an inner side surface facing the other rotating wheel, at least one inner side surface is provided with a plurality of first tooth blocks which are arranged around the axis of the rotating wheel at intervals, and a first tooth groove is defined by two adjacent first tooth blocks; the brake unit is arranged in the accommodating space and comprises a brake seat defining a through hole, a first brake rod inserted between the wheel seat and the through hole, and a first elastic piece arranged between the brake seat and the wheel seat, wherein the brake seat can move at a brake position and a movable position relative to the wheel seat, the brake position is compared with the movable position, the horizontal position of the brake seat is higher, the first brake rod moves upwards simultaneously, at least one end of the first brake rod is embedded into a corresponding first tooth groove, and the first elastic piece constantly moves the brake seat to the movable position.
The driving unit comprises a brake driving plate pivoted on the wheel seat, and a brake removing driving plate which is positioned above the brake driving plate and pivoted on the wheel seat, wherein the brake driving plate is provided with a first pivot pivoted with the wheel seat, a jacking part which is positioned on one side of the brake driving plate and can jack the brake seat, a first treading part which is positioned on the other side of the brake driving plate and is exposed out of the wheel seat, and a first fixing part facing the brake removing driving plate, the brake removing driving plate is provided with a second pivot pivoted with the wheel seat, a second fixing part which can be mutually buckled with the first fixing part, and a second treading part which is exposed out of the wheel seat, the first treading part is moved downwards to enable the jacking part to jack the brake seat to move to the brake position, and the first fixing part and the second fixing part are mutually buckled, the second treading part is swung downwards to enable the first fixing part and the second fixing part to be separated, and the first elastic piece can move the brake seat downwards to the movable position.
In the caster device, the caster seat also defines a shaft hole with an upward opening and a downward opening extending to the accommodating space; the caster also comprises a steering unit which is arranged in the shaft hole in a penetrating way, the steering unit comprises a shaft rod which is inserted in the shaft hole and can rotate around the axis of the steering unit, a bearing which is sleeved on the shaft rod, and a gear which is sleeved on the shaft rod, is positioned below the bearing and rotates along with the shaft rod, the cross section of the sleeved part of the gear and the shaft rod is non-circular, so that the gear can move up and down along the shaft rod and can rotate along with the shaft rod, the gear is provided with a plurality of second tooth blocks which are arranged at intervals in a surrounding way, and two adjacent second tooth blocks jointly define a second tooth groove; the brake unit is also provided with a second brake rod which is fixed on the brake seat and is positioned in the shaft hole, and when the brake seat is at the brake position, the second brake rod can be embedded into the corresponding second tooth groove.
In the caster device of the present invention, the steering unit further includes a third elastic member sleeved on the shaft and located between the gear and the bearing, one end of the third elastic member abuts against the gear, and the other end abuts against the bearing, when the brake base is at the braking position, if the second brake lever abuts against the corresponding second tooth block, the gear is pushed upward and extrudes the third elastic member, the shaft is rotated until the second tooth space is rotated to a position where the second brake lever can be embedded, and the third elastic member pushes the gear to enable the second brake lever to be embedded into the corresponding second tooth space.
In the caster device, the brake unit further comprises a second elastic member disposed in the through hole, one end of the second elastic member abuts against the brake seat, and the other end of the second elastic member abuts against the first brake lever, when the brake seat is in the braking position, if the first brake lever abuts against the first tooth block, the first brake lever cannot move upwards to compress the second elastic member, the rotating wheel is rotated until the first tooth space is rotated to a position where the first brake lever can be embedded, and the second elastic member pushes the first brake lever to be embedded into the corresponding first tooth space.
The invention has the beneficial effects that: through the connection relation of the brake driving plate and the brake seat, a user can stop the rotation of the rotating wheel by only downwards treading the brake driving plate, and the user can release the stopping function by downwards treading the brake driving plate, so that the operation is simple and convenient and the intuition is better met.
Drawings
Other features and effects of the present invention will be clearly apparent from the embodiments with reference to the drawings:
FIG. 1 is a perspective view of one embodiment of the caster device of the present invention;
FIG. 2 is an exploded perspective view of the embodiment;
FIG. 3 is a cross-sectional side view illustrating a brake spider in an active position;
FIG. 4 is a front elevational view in section illustrating the brake shoe in the active position;
FIG. 5 is a view similar to FIG. 3 illustrating the brake housing in a braking position;
FIG. 6 is a view similar to FIG. 4 illustrating the brake housing in the braking position; and
FIG. 7 is a view similar to FIG. 3, illustrating a state where a first brake lever and a second brake lever are not inserted into a corresponding first tooth slot and a corresponding second tooth slot when the brake base is in the braking position.
Detailed Description
Referring to fig. 1 and 2, an embodiment of the caster device of the present invention includes a wheel base 1, a moving unit 2, a steering unit 5, a braking unit 3, and a driving unit 4.
The wheel seat 1 defines an accommodating space 11 and a shaft hole 12 with an opening facing upward and extending downward to the accommodating space 11.
The moving unit 2 includes a wheel shaft 21 penetrating the wheel base 1, and two rotating wheels 22 mounted at the left and right ends of the wheel shaft 21 and capable of rotating, each rotating wheel 22 includes an inner side 221 facing the other rotating wheel 22, at least one inner side 221 is provided with a plurality of first tooth blocks 222 arranged around its own axis at intervals, and two adjacent first tooth blocks 222 define a first tooth slot 223 together.
The steering unit 5 is disposed through the shaft hole 12, and includes a shaft 51 inserted into the shaft hole 12 and capable of rotating around its axis, a bearing 52 sleeved on the shaft 51, a gear 53 sleeved on the shaft 51 and located below the bearing 52 and rotating with the shaft 51, and a third elastic member 54 sleeved on the shaft 51 and located between the gear 53 and the bearing 52, wherein a cross section of a sleeved portion of the gear 53 and the shaft 51 is non-circular, so that the gear 53 can move up and down along the shaft 51 and rotate with the shaft 51, the gear 53 has a plurality of second tooth blocks 531 arranged in a surrounding manner at intervals, two adjacent second tooth blocks define a second tooth slot 532 together, one end of the third elastic member 54 abuts against the gear 53, and the other end of the third elastic member 531 abuts against the bearing 52.
The brake unit 3 is disposed in the accommodating space 11, and includes a brake base 31 defining a through hole 311, a first brake lever 32 inserted into the wheel base 1 and the through hole 311, a second brake lever 34 fixed on the brake base 31 and located in the axle hole 12, a first elastic member 33 disposed between the brake base 31 and the wheel base 1, and a second elastic member 35 disposed in the through hole 311. One end of the second elastic element 35 is abutted against the brake seat 31, and the other end is abutted against the first brake lever 32. The brake seat 31 can move relative to the wheel seat 1 between a braking position and an active position, in the braking position, the horizontal position of the brake seat 31 is higher than that in the active position, the first brake lever 32 moves upward simultaneously and at least one end is embedded in the corresponding first tooth groove 223, and the second brake lever 34 is embedded in the corresponding second tooth groove 532. The first elastic member 33 will accumulate an elastic force when the brake seat 31 is located at the braking position, and will constantly move the brake seat 31 to the active position.
The driving unit 4 includes a brake driving plate 41 pivotally mounted on the wheel seat 1, and a brake releasing driving plate 42 located above the brake driving plate 41 and pivotally mounted on the wheel seat 1, the brake driving plate 41 has a first pivot 411 pivotally connected to the wheel seat 1, a supporting portion 412 located on one side of the brake driving plate 41 and capable of supporting the brake seat 31, a first stepping portion 413 located on the other side of the brake driving plate 41 and exposed out of the wheel seat 1, and a first fixing portion 414 facing the brake releasing driving plate 42, the brake releasing driving plate 42 has a second pivot 421 pivotally connected to the wheel seat 1, a second fixing portion 422 capable of being mutually fastened to the first fixing portion 414, and a second stepping portion 423 exposed out of the wheel seat 1.
Referring to fig. 3 to 6, in use, the caster device is usually mounted below a carrier to be transported, the carrier is pushed by the moving unit 2 in a labor-saving manner, and the change of the traveling direction is controlled by the steering unit 5. When the carrier needs to be parked, the first step part 413 is moved downwards to enable the supporting part 412 to support the brake base 31 upwards and move to the braking position, and the first fixing part 414 and the second fixing part 422 are engaged with each other, at this time, the first brake lever 32 is embedded into the first tooth groove 223 to make the rotating wheel 22 unable to rotate, the second brake lever 34 is embedded into the second tooth groove 532 to make the gear 53 unable to rotate, and further the shaft lever 51 is unable to rotate, so as to achieve the function of braking (as shown in fig. 5 and 6). When the carrier needs to be moved again, the second stepping portion 423 is swung downward to separate the first fixing portion 414 from the second fixing portion 422, and the first elastic member 33 pushes the brake seat 31 downward to the active position, so that the moving unit 2 and the steering unit 5 can continue to move without limitation.
Referring to fig. 7, when the brake base 31 is at the braking position, if the first brake lever 32 abuts against the first tooth block 222, the first brake lever 32 cannot move upward to compress the second elastic member 35, and at this time, the user can slightly push the carrier, rotate the rotating wheel 22 until the first tooth space 223 rotates to a position where the first brake lever 32 can be embedded, and the second elastic member 35 can push the first brake lever 32 to be embedded into the corresponding first tooth space 223; if the second brake lever 34 abuts against the corresponding second tooth 531, the gear 53 will be pushed upwards and squeeze the third elastic member 54, at this time, the user can slightly rotate the carrier, and further rotate the shaft 51 until the second tooth 532 rotates to a position where the second brake lever 34 can be inserted, and the third elastic member 54 will push the gear 53 to make the second brake lever 34 be inserted into the corresponding second tooth 532.
In summary, the caster device of the present invention has the following effects: the brake seat 31 is moved to the brake position by stepping on the brake driving plate 41, and is mutually clamped and fixed with the brake releasing driving plate 42, so that the purpose of braking is achieved; the brake releasing driving plate 42 is stepped to separate the two parts from each other, and the brake base 31 is returned to the movable position by the elastic force of the first elastic member 33, thereby achieving the purpose of releasing the brake. The two actions of braking and brake release are respectively completed by the two driving plates, so that confusion is avoided, and the two actions are driven in a treading mode and accord with the operation habit of a user, thereby really achieving the purpose of the invention.
The above description is only an example of the present invention, and the scope of the present invention should not be limited thereby, and all the simple equivalent changes and modifications made by the claims and the contents of the specification should be included in the scope of the present invention.
Claims (4)
1. A caster device comprising: the wheel seat defines an accommodating space; the moving unit comprises a wheel shaft penetrating through the wheel seat and two rotating wheels which are arranged at the left end and the right end of the wheel shaft and can rotate, each rotating wheel comprises an inner side surface facing the other rotating wheel, at least one inner side surface is provided with a plurality of first tooth blocks which are arranged around the axis of the rotating wheel at intervals, and a first tooth groove is defined by two adjacent first tooth blocks; the brake unit is arranged in the accommodating space and comprises a brake seat defining a through hole, a first brake rod inserted between the wheel seat and the through hole, and a first elastic piece arranged between the brake seat and the wheel seat, wherein the brake seat can move at a brake position and an active position relative to the wheel seat, the brake position is higher than the active position, the horizontal position of the brake seat is higher, the first brake rod moves upwards simultaneously, at least one end of the first brake rod is embedded into a corresponding first tooth groove, and the first elastic piece constantly moves the brake seat to the active position, which is characterized in that: the driving unit comprises a brake driving plate pivoted on the wheel seat, and a brake removing driving plate which is positioned above the brake driving plate and pivoted on the wheel seat, wherein the brake driving plate is provided with a first pivot pivoted with the wheel seat, a jacking part which is positioned on one side of the brake driving plate and can jack the brake seat, a first treading part which is positioned on the other side of the brake driving plate and is exposed out of the wheel seat, and a first fixing part facing the brake removing driving plate, the brake removing driving plate is provided with a second pivot pivoted with the wheel seat, a second fixing part which can be mutually buckled with the first fixing part, and a second treading part which is exposed out of the wheel seat, the first treading part is downwards swung to enable the jacking part to upwards jack the brake seat to move to the brake position, and the first fixing part and the second fixing part are mutually buckled, the second treading part is swung downwards to enable the first fixing part and the second fixing part to be separated, and the first elastic piece can move the brake seat downwards to the movable position.
2. The caster device according to claim 1, wherein: the wheel seat also defines a shaft hole with an upward opening and extending downwards to the accommodating space; the caster also comprises a steering unit which is arranged in the shaft hole in a penetrating way, the steering unit comprises a shaft rod which is inserted in the shaft hole and can rotate around the axis of the steering unit, a bearing which is sleeved on the shaft rod, and a gear which is sleeved on the shaft rod, is positioned below the bearing and rotates along with the shaft rod, the cross section of the sleeved part of the gear and the shaft rod is non-circular, so that the gear can move up and down along the shaft rod and can rotate along with the shaft rod, the gear is provided with a plurality of second tooth blocks which are arranged at intervals in a surrounding way, and two adjacent second tooth blocks jointly define a second tooth groove; the brake unit is also provided with a second brake rod which is fixed on the brake seat and is positioned in the shaft hole, and when the brake seat is at the brake position, the second brake rod can be embedded into the corresponding second tooth groove.
3. The caster device according to claim 2, wherein: the steering unit further comprises a third elastic member sleeved on the shaft lever and located between the gear and the bearing, one end of the third elastic member abuts against the gear, the other end of the third elastic member abuts against the bearing, when the brake base is in the braking position, if the second brake lever abuts against the corresponding second tooth block, the gear can be pushed upwards and extrudes the third elastic member, the shaft lever is rotated until the second tooth groove is rotated to a position where the second brake lever can be embedded, and the third elastic member can push the gear to enable the second brake lever to be embedded into the corresponding second tooth groove.
4. The caster device according to any one of claims 1 to 3, wherein: the brake unit further comprises a second elastic piece arranged in the through hole, one end of the second elastic piece abuts against the brake seat, the other end of the second elastic piece abuts against the first brake rod, when the brake seat is in the brake position, if the first brake rod abuts against the first tooth block, the first brake rod cannot move upwards to compress the second elastic piece, the rotating wheel is rotated until the first tooth groove is rotated to a position where the first brake rod can be embedded, and the second elastic piece can push the first brake rod to be embedded into the corresponding first tooth groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811617763.5A CN111376648B (en) | 2018-12-28 | 2018-12-28 | Caster device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811617763.5A CN111376648B (en) | 2018-12-28 | 2018-12-28 | Caster device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111376648A true CN111376648A (en) | 2020-07-07 |
| CN111376648B CN111376648B (en) | 2021-07-09 |
Family
ID=71220768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811617763.5A Active CN111376648B (en) | 2018-12-28 | 2018-12-28 | Caster device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111376648B (en) |
Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4128729A1 (en) * | 1991-08-29 | 1993-03-04 | Wicke Gmbh & Co | Braking system for castor on mobile work-station - has brake pedal linked by drive to brake release pedal |
| GB9519798D0 (en) * | 1995-09-28 | 1995-11-29 | Haion Caster Ind Company Limit | Caster with brake for use in a mobile structure |
| DE29814604U1 (en) * | 1998-08-14 | 1998-11-05 | Chow Chuan Hai | Roller with brake mechanism |
| US6810560B1 (en) * | 2003-11-06 | 2004-11-02 | Hai-Ming Tsai | Castor |
| US20060254867A1 (en) * | 2005-05-12 | 2006-11-16 | Li-Lan Yan | Wheel supporter with a brake |
| TW200904662A (en) * | 2007-07-25 | 2009-02-01 | Catis Pacific Mfg Corp | Dual caster with dual paddles that features independent brakes and release capability |
| US20090083938A1 (en) * | 2007-09-27 | 2009-04-02 | Qing-Song Lin | Double-Pedal Double Wheel Truckle with Independent Braking and Releasing Functions |
| DE102009009028A1 (en) * | 2008-02-27 | 2009-10-01 | Oy Mannerin Konepaja Ab | Geräterad |
| US20100170061A1 (en) * | 2007-09-27 | 2010-07-08 | Qing-Song Lin | Double-Pedal Double-Wheel Truckle with Independent Braking and Releasing Functions |
| CN201849251U (en) * | 2010-09-16 | 2011-06-01 | 黄锡全 | Caster wheel |
| CN102975575A (en) * | 2012-12-18 | 2013-03-20 | 福州施可瑞光电科技有限公司 | Dual-pedal-control caster wheel |
| CN203371998U (en) * | 2013-06-05 | 2014-01-01 | 中山市小榄镇世通脚轮厂 | Multi-functional caster support |
| US20150096846A1 (en) * | 2013-10-09 | 2015-04-09 | Qing-Song Lin | Multifunctional Castor |
| CN204432249U (en) * | 2015-01-21 | 2015-07-01 | 晋乔企业有限公司 | Castor |
| CN105599538A (en) * | 2016-02-03 | 2016-05-25 | 广西科技大学 | Novel wheel train system |
| CN105774400A (en) * | 2016-03-07 | 2016-07-20 | 阳江市飞轮金属制品有限公司 | Caster adjustable in braking |
| TW201634309A (en) * | 2015-03-26 | 2016-10-01 | 取德工業股份有限公司 | Truckle structure and the using method |
| CN205800656U (en) * | 2016-07-06 | 2016-12-14 | 晋乔企业有限公司 | Double-brake type castor |
-
2018
- 2018-12-28 CN CN201811617763.5A patent/CN111376648B/en active Active
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4128729A1 (en) * | 1991-08-29 | 1993-03-04 | Wicke Gmbh & Co | Braking system for castor on mobile work-station - has brake pedal linked by drive to brake release pedal |
| GB9519798D0 (en) * | 1995-09-28 | 1995-11-29 | Haion Caster Ind Company Limit | Caster with brake for use in a mobile structure |
| DE29814604U1 (en) * | 1998-08-14 | 1998-11-05 | Chow Chuan Hai | Roller with brake mechanism |
| US6810560B1 (en) * | 2003-11-06 | 2004-11-02 | Hai-Ming Tsai | Castor |
| US20060254867A1 (en) * | 2005-05-12 | 2006-11-16 | Li-Lan Yan | Wheel supporter with a brake |
| TW200904662A (en) * | 2007-07-25 | 2009-02-01 | Catis Pacific Mfg Corp | Dual caster with dual paddles that features independent brakes and release capability |
| US20100170061A1 (en) * | 2007-09-27 | 2010-07-08 | Qing-Song Lin | Double-Pedal Double-Wheel Truckle with Independent Braking and Releasing Functions |
| US20090083938A1 (en) * | 2007-09-27 | 2009-04-02 | Qing-Song Lin | Double-Pedal Double Wheel Truckle with Independent Braking and Releasing Functions |
| DE102009009028A1 (en) * | 2008-02-27 | 2009-10-01 | Oy Mannerin Konepaja Ab | Geräterad |
| CN201849251U (en) * | 2010-09-16 | 2011-06-01 | 黄锡全 | Caster wheel |
| CN102975575A (en) * | 2012-12-18 | 2013-03-20 | 福州施可瑞光电科技有限公司 | Dual-pedal-control caster wheel |
| CN203371998U (en) * | 2013-06-05 | 2014-01-01 | 中山市小榄镇世通脚轮厂 | Multi-functional caster support |
| US20150096846A1 (en) * | 2013-10-09 | 2015-04-09 | Qing-Song Lin | Multifunctional Castor |
| CN204432249U (en) * | 2015-01-21 | 2015-07-01 | 晋乔企业有限公司 | Castor |
| TW201634309A (en) * | 2015-03-26 | 2016-10-01 | 取德工業股份有限公司 | Truckle structure and the using method |
| CN105599538A (en) * | 2016-02-03 | 2016-05-25 | 广西科技大学 | Novel wheel train system |
| CN105774400A (en) * | 2016-03-07 | 2016-07-20 | 阳江市飞轮金属制品有限公司 | Caster adjustable in braking |
| CN205800656U (en) * | 2016-07-06 | 2016-12-14 | 晋乔企业有限公司 | Double-brake type castor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111376648B (en) | 2021-07-09 |
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