CN108422805A - A kind of castor - Google Patents
A kind of castor Download PDFInfo
- Publication number
- CN108422805A CN108422805A CN201810289250.XA CN201810289250A CN108422805A CN 108422805 A CN108422805 A CN 108422805A CN 201810289250 A CN201810289250 A CN 201810289250A CN 108422805 A CN108422805 A CN 108422805A
- Authority
- CN
- China
- Prior art keywords
- castor
- wheel
- mandril
- confined planes
- connect
- 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.)
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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
- B60B33/0028—Construction of wheels; methods of assembling on axle
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
- Handcart (AREA)
Abstract
The invention discloses a kind of castor, including holder and wheel, the wheel is rotatably connected in the both sides of holder.The holder includes the sleeve that central shaft is horizontal direction；The wheel includes wheel ontology, retainer and several rolling elements；The wheel ontology and retainer are hollow ring structure；Along the circumferential direction array has rolling element fixed ring to the retainer, and several rolling elements, which can roll, to be connected in fixed ring；The wheel ontology is sheathed on the outer surface of retainer, and the retainer is sheathed on the both sides of the outer surface of sleeve respectively；Several rolling elements are connected respectively in wheel ontology and retainer.A kind of castor provided by the invention install fixed wheel without using wheel shaft, structure novel, and stationarity is good；When general castor casting frame, extremely complex mold is needed, supporting structure of the present invention is simple, greatly reduces the design cost of mold.
Description
Technical field
The invention belongs to machinery fields, are related to a kind of castor more particularly to a kind of castor for exempting from wheel shaft installation.
Background technology
Castor is a general designation, including movable castor and rigid castors.Movable castor also with regard to the universal wheel described in us, it
Structure allows 360 degree rotation；Rigid castors are also direction-caster, it does not have rotational structure, cannot rotate.Common castor is general
Wheel is fixed on holder by wheel shaft.Such trundle bracket is complicated, and parts are more, gives mold design and castor
Assembly causes prodigious obstruction.It is therefore desirable to design a kind of castor of new construction.
Invention content
Goal of the invention：In order to overcome the deficiencies in the prior art, the present invention provides a kind of castor, to reduce number of components
Mesh improves efficiency of assembling, improves the stability of foot rotation.
Technical solution：To achieve the above object, a kind of castor of the invention includes holder and wheel, and the wheel is rotatable
It is connected to the both sides of holder；The holder includes the sleeve that central shaft is horizontal direction；The wheel includes wheel ontology, protects
Hold frame and several rolling elements；The wheel ontology and retainer are hollow ring structure；The retainer along the circumferential direction array
There is rolling element fixed ring, several rolling elements, which can roll, to be connected in fixed ring；The wheel ontology is sheathed on retainer
Outer surface, the retainer are sheathed on the both sides of the outer surface of sleeve respectively；Several rolling elements are connected respectively in wheel
Sub- ontology and retainer.
Further, the holder further includes horizontal loops and vertical ring；The axis of the horizontal loops and vertical ring is vertically set
It sets, the horizontal loops and vertical ring pass through link of boards；The sleeve is coaxially connected in horizontal loops.
Further, the wheel ontology includes tire and support ring；The tire is coated on the external cylindrical surface of support ring；
The both sides of the sleeve outer surface are peripherally disposed the first rolling element mounting groove, the inner periphery edge of the support ring
Circumferencial direction is provided with the second rolling element mounting groove, and several rolling elements connect respectively rolls mounting groove and the in first
Two roll mounting groove.
Further, further include shield；The shield is coated on the outer surface of holder.
Further, further include driving device, brake gear and straight movement control device；The driving device it is coaxially connected in
Vertical ring；The brake gear is set to the lower section of driving device, is rotatably connected with holder；The straight movement control device setting
It is connect inside vertical ring, and with driving device.
Further, the driving device includes shell, mandril, spacer pin and cam；The mandril, spacer pin and cam
It is set to enclosure interior；The mandril and vertical ring are coaxially connected；The spacer pin is connected with shell, and the cam can with shell
Rotatable connection；The cam is connect with spacer pin and mandril top pressure respectively.
Further, the cam is provided with the first confined planes, the second confined planes and third confined planes；First limit
Face, the second confined planes and third confined planes are not in the same plane；Castor is kept straight on, and mandril is connect with the first confined planes top pressure；Foot
Universal swing is taken turns, mandril mandril is connect with the second confined planes top pressure；Castor locking, mandril are connect with third confined planes top pressure.
Further, the cam is provided with limiting slot；The spacer pin forms the with two end in contact of limiting slot respectively
One extreme position and the second extreme position；Spacer pin is contacted with the first extreme position, and mandril is connect with the first confined planes top pressure；Limit
Position pin is contacted with the second extreme position, and mandril is connect with third confined planes top pressure；Spacer pin is placed in the first extreme position and second
Between extreme position, mandril is connect with the second confined planes top pressure.
Further, the straight movement control device includes axis, control key and buckshot pad；The axis is hollow cavity, and with
Mandril is coaxially arranged connection；The buckshot pad is cyclic structure, and is sheathed on the external cylindrical surface of axis；
The cylindrical surface of the mandril is provided with the first straight slot, and the second straight slot, the control key are provided on the cylindrical surface of the axis
It is fixed in the first straight slot, and both ends are stretched out, the control key external part slides up and down in the second straight slot；
The buckshot pad is provided with unidirectionally controlled slot along the direction that castor is kept straight on, and control key is connected with unidirectionally controlled slot, foot
Wheel straight trip.
Further, the brake gear includes brake ontology；The brake ontology is set to below mandril, and and holder
It is rotatably connected；The both sides of the brake ontology are stretched out upwards forms braking vane, on the face corresponding to the braking vane and wheel
It is provided with saw-tooth-type structures.
Advantageous effect：Beneficial effects of the present invention are as described below：(1) a kind of castor provided by the invention, wheel are hollow
Moulding compares general castor, does not need wheel shaft and carry out installation fixation to it, structure novel greatly reduces Castor structure
Complexity；(2) a kind of castor provided by the invention, supporting structure is simple, reduces mold used in casting frame
Complexity, to reduce the manufacturing cost of castor；(3) a kind of castor provided by the invention, two-wheel directly pass through rolling element
Connecting bracket keeps wheel operation more smooth, stable.
Description of the drawings
Accompanying drawing 1 is the structural representation of the present invention；
Attached drawing 2 is the structural schematic diagram after present invention separation shield；
Attached drawing 3 is the explosive view of holder of the present invention and wheel；
Attached drawing 4 is the explosive view of part A in attached drawing 3 of the present invention；
Attached drawing 5 is the explosive view of part B in attached drawing 4 of the present invention；
Attached drawing 6 is the front view of cam of the present invention；
Attached drawing 7 is the sectional view of front view of the present invention.
Specific implementation mode
The present invention is further described below in conjunction with the accompanying drawings.
A kind of castor as described in attached drawing 1 to 7, including holder 1 and wheel 2, the wheel 2 are rotatably connected in holder 1
Both sides.Wheel used in 2 more general castor of the wheel not for hollow annular tie by the structure with wheel shaft installation
Structure is simple, reduces the manufacturing cost of wheel 2.
The holder 1 includes the sleeve 3 that central shaft is horizontal direction；
The wheel 2 includes wheel ontology 5, retainer 7 and several rolling elements 8；The wheel ontology 5 and retainer 7 are
Hollow ring structure；Along the circumferential direction array has rolling element fixed ring 33, several rolling elements 8 that can roll to the retainer 7
It is connected in fixed ring 33；The wheel ontology 5 is sheathed on the outer surface of retainer 7, and the retainer 7 is sheathed on sleeve respectively
The both sides of 3 outer surface；Several rolling elements 8 are connected respectively in wheel ontology 5 and retainer 7.It is of the present invention
When castor rolls, several rolling elements 8 roll between wheel ontology 5 and sleeve 3, to make wheel ontology 5 and sleeve 3 that phase occur
To rotation.
The holder 1 further includes horizontal loops 34 and vertical ring 35；The axis of the horizontal loops 34 and vertical ring 35 is vertically set
It sets, the horizontal loops 34 and vertical ring 35 are connected by gusset 36；The sleeve 3 is coaxially connected in horizontal loops 34.Compare general
The holder of castor needs the structure of installation wheel shaft, inevitably results in used mold when casting frame in this way and complicates.This
A kind of invention castor wheel 2 is not connect by wheel shaft with holder, and the outer cylinder surface of sleeve 3 is directly sleeved on, and is reduced
The complexity of the structure of holder 1, also reduces the complexity of used mold.
The wheel ontology 5 includes tire 9 and support ring 6；The tire 9 is coated on the external cylindrical surface of support ring 6；It is described
The both sides of 3 outer surface of sleeve are peripherally disposed the first rolling element mounting groove 4, the inner periphery edge of the support ring 6
Circumferencial direction is provided with the second rolling element mounting groove 10, and several rolling elements 8 connect respectively rolls mounting groove 4 in first
Mounting groove 10 is rolled with second.
It further include shield 11；The shield 11 is coated on the outer surface of holder 1.Shield 11 can be to avoid external force to retainer
7 damage.
Further include driving device 12, brake gear 13 and straight movement control device 14；The driving device 12 it is coaxially connected in
Vertical ring 35；The brake gear 13 is set to the lower section of driving device 12, is rotatably connected with holder 1；The straight movement control
Device is set to inside vertical ring 35, and is connect with driving device 12.Under the effect of external force, driving device 12 completes straight trip control
System and brake.
The driving device 12 includes shell 15, mandril 16, spacer pin 17 and cam 18；The mandril 16, spacer pin 17
It is set to inside shell 15 with cam 18；The mandril 16 and vertical ring 35 are coaxially connected；The spacer pin 17 is solid with shell 15
Even, the cam 18 is rotatably connected with shell 15；The cam 18 is connect with spacer pin 17 and 16 top pressure of mandril respectively.
The cam 18 is provided with the first confined planes 19, the second confined planes 20 and third confined planes 21；First limit
Face 19, the second confined planes 20 and third confined planes 21 are not in the same plane；Castor is kept straight on, and mandril 16 and the first confined planes 19 push up
Pressure connection；Castor universal swing, mandril mandril 16 are connect with 20 top pressure of the second confined planes；Castor locking, mandril 16 are limited with third
21 top pressure of plane connects.It is straight trip, universal swing, and brake respectively that castor provided by the invention, which includes there are three types of state,.Three kinds
State is respectively to three confined planes.
The cam 18 is provided with limiting slot 22；The spacer pin 17 forms first with two end in contact of limiting slot 22 respectively
Extreme position 23 and the second extreme position 24；Spacer pin 17 is contacted with the first extreme position 23, mandril 16 and the first confined planes 19
Top pressure connects；Spacer pin 17 is contacted with the second extreme position 24, and mandril 16 is connect with 21 top pressure of third confined planes；Spacer pin 17 is set
Between the first extreme position 23 and the second extreme position 24, mandril 16 is connect with 20 top pressure of the second confined planes.
The straight movement control device 14 includes axis 25, control key 26 and buckshot pad 27；The axis 25 is hollow cavity, and with
Mandril 16 is coaxially arranged connection；The buckshot pad 27 is cyclic structure, and is sheathed on the external cylindrical surface of axis 25；
The cylindrical surface of the mandril 16 is provided with the first straight slot 28, and the second straight slot 29, institute are provided on the cylindrical surface of the axis 25
It states control key 26 to be fixed in the first straight slot 28, and both ends are stretched out, 26 external part of the control key is upper and lower in the second straight slot 29
Sliding；
The buckshot pad 27 is provided with unidirectionally controlled slot 30, control key 26 and unidirectionally controlled slot 30 along the direction that castor is kept straight on
It is connected, castor straight trip.It is emphasized that the direction of the unidirectionally controlled slot 30 is identical as the direction of castor straight trip always.
The brake gear 13 includes brake ontology 31；The brake ontology 31 is set to the lower section of mandril 16, and with holder 1
It is rotatably connected；The both sides of the brake ontology 31 are stretched out upwards forms braking vane 32, corresponding to the braking vane 32 and wheel 2
Face on be provided with saw-tooth-type structures.When castor brakes, brake in zigzag structure insertion tire 9.
Specifically, a kind of working method of castor provided by the invention is as described below：Outer power drive, cam 18 rotate, band
Dynamic mandril 16 moves down, and when mandril 16 is contacted with 18 first confined planes 19 of cam, control key 26 is connect with uniline control flume 30, foot
Wheel straight trip；When mandril 16 and 18 second confined planes 20 of cam contact, control key 26 is detached from unidirectionally controlled slot 30, and castor can edge
Circumference is sent to arbitrary swing；When the third confined planes 21 of mandril 16 and cam 18, the rotation of 16 driving brake ontology 31 of mandril is stopped
The zigzag structure of 32 side of sweep is embedded in tire 9, and castor, which can neither be swung, at this time to rotate, and completes brake.
The above is only a preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of castor, it is characterised in that：Including holder (1) and wheel (2), the wheel (2) is rotatably connected in holder (1)
Both sides；
The holder (1) includes the sleeve (3) that central shaft is horizontal direction；
The wheel (2) includes wheel ontology (5), retainer (7) and several rolling elements (8)；The wheel ontology (5) and holding
Frame (7) is hollow ring structure；Along the circumferential direction array has rolling element fixed ring (33), several rollings to the retainer (7)
Kinetoplast (8), which can roll, to be connected in fixed ring (33)；The wheel ontology (5) is sheathed on the outer surface of retainer (7), the guarantor
Hold the both sides that frame (7) is sheathed on the outer surface of sleeve (3) respectively；Several rolling elements (8) are connected respectively in wheel sheet
Body (5) and retainer (7).
2. a kind of castor according to claim 1, it is characterised in that：The holder (1) further includes horizontal loops (34) and erects
Straight ring (35)；The axis of the horizontal loops (34) and vertical ring (35) is vertically arranged, the horizontal loops (34) and vertical ring (35)
It is connected by gusset (36)；The sleeve (3) is coaxially connected in horizontal loops (34).
3. a kind of castor according to claim 1, it is characterised in that：The wheel ontology (5) includes tire (9) and support
Ring (6)；The tire (9) is coated on the external cylindrical surface of support ring (6)；The both sides of sleeve (3) outer surface are along the circumferential direction
It is provided with the first rolling element mounting groove (4), the inner periphery of the support ring (6) is peripherally disposed the second rolling element
Mounting groove (10), several rolling elements (8) connect respectively rolls mounting groove (4) and the second rolling mounting groove in first
(10)。
4. a kind of castor according to claim 1, it is characterised in that：Further include shield (11)；Shield (11) cladding
Outer surface in holder (1).
5. a kind of castor according to claim 1, it is characterised in that：Further include driving device (12), brake gear (13)
With straight movement control device (14)；The driving device (12) is coaxially connected in vertical ring (35)；Brake gear (13) setting
Lower section in driving device (12) is rotatably connected with holder (1)；The straight movement control device is set in vertical ring (35)
Portion, and connect with driving device (12).
6. a kind of castor according to claim 5, it is characterised in that：The driving device (12) includes shell (15), top
Bar (16), spacer pin (17) and cam (18)；The mandril (16), spacer pin (17) and cam (18) are set in shell (15)
Portion；The mandril (16) and vertical ring (35) are coaxially connected；The spacer pin (17) is connected with shell (15), the cam (18)
It is rotatably connected with shell (15)；The cam (18) connect with spacer pin (17) and mandril (16) top pressure respectively.
7. a kind of castor according to claim 6, it is characterised in that：The cam (18) is provided with the first confined planes
(19), the second confined planes (20) and third confined planes (21)；First confined planes (19), the second confined planes (20) and third limit
Plane (21) is not in the same plane；Mandril (16) is connect with the first confined planes (19) top pressure, castor straight trip；Mandril mandril (16)
It is connect with the second confined planes (20) top pressure, castor universal swing；Mandril (16) is connect with third confined planes (21) top pressure, castor lock
Only.
8. a kind of castor according to claim 6, it is characterised in that：The cam (18) is provided with limiting slot (22)；Institute
It states spacer pin (17) and forms the first extreme position (23) and the second extreme position (24) with two end in contact of limiting slot (22) respectively；
Spacer pin (17) is contacted with the first extreme position (23), and mandril (16) is connect with the first confined planes (19) top pressure；Spacer pin (17)
It is contacted with the second extreme position (24), mandril (16) is connect with third confined planes (21) top pressure；Spacer pin (17) is placed in the first pole
Between extreme position (23) and the second extreme position (24), mandril (16) is connect with the second confined planes (20) top pressure.
9. a kind of castor according to claim 5 or 6, it is characterised in that：The straight movement control device (14) includes axis
(25), control key (26) and buckshot pad (27)；The axis (25) is hollow cavity, and is connect with mandril (16) coaxial be arranged；Institute
It is cyclic structure to state buckshot pad (27), and is sheathed on the external cylindrical surface of axis (25)；
The cylindrical surface of the mandril (16) is provided with the first straight slot (28), and the second straight slot is provided on the cylindrical surface of the axis (25)
(29), the control key (26) is fixed in the first straight slot (28), and both ends are stretched out, and control key (26) external part is second
It is slided up and down in straight slot (29)；
The buckshot pad (27) is provided with unidirectionally controlled slot (30), control key (26) and unidirectionally controlled slot along the direction that castor is kept straight on
(30) it is connected, castor straight trip.
10. a kind of castor according to claim 5 or 6, it is characterised in that：The brake gear (13) includes brake ontology
(31)；The brake ontology (31) is set to below mandril (16), and is rotatably connected with holder (1)；The brake ontology
(31) both sides are stretched out upwards forms braking vane (32), and the braking vane (32) is provided with saw on the face corresponding to wheel (2)
Tooth type structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810289250.XA CN108422805B (en) | 2018-04-03 | 2018-04-03 | Caster wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810289250.XA CN108422805B (en) | 2018-04-03 | 2018-04-03 | Caster wheel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108422805A true CN108422805A (en) | 2018-08-21 |
| CN108422805B CN108422805B (en) | 2020-05-08 |
Family
ID=63160245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810289250.XA Active CN108422805B (en) | 2018-04-03 | 2018-04-03 | Caster wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108422805B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109203858A (en) * | 2018-10-12 | 2019-01-15 | 无锡赛飞滑泰脚轮制造有限公司 | A kind of shock-absorbing caster wheel |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2240471A (en) * | 1990-02-06 | 1991-08-07 | Colson Castors | Castor with brake mechanism |
| CN203920257U (en) * | 2014-04-11 | 2014-11-05 | 福州施可瑞光电科技有限公司 | Middle control single-wheel castor |
| CN204845381U (en) * | 2015-08-14 | 2015-12-09 | 宁波秀禾科技有限公司 | Accuse truckle in plastic |
| CN205800653U (en) * | 2016-05-03 | 2016-12-14 | 中山市诺贝五金制品有限公司 | A kind of castor that manual friction stopping device is set |
| CN206171036U (en) * | 2016-08-31 | 2017-05-17 | 福建施可瑞医疗科技股份有限公司 | Well accuse truckle with braking structure |
-
2018
- 2018-04-03 CN CN201810289250.XA patent/CN108422805B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2240471A (en) * | 1990-02-06 | 1991-08-07 | Colson Castors | Castor with brake mechanism |
| CN203920257U (en) * | 2014-04-11 | 2014-11-05 | 福州施可瑞光电科技有限公司 | Middle control single-wheel castor |
| CN204845381U (en) * | 2015-08-14 | 2015-12-09 | 宁波秀禾科技有限公司 | Accuse truckle in plastic |
| CN205800653U (en) * | 2016-05-03 | 2016-12-14 | 中山市诺贝五金制品有限公司 | A kind of castor that manual friction stopping device is set |
| CN206171036U (en) * | 2016-08-31 | 2017-05-17 | 福建施可瑞医疗科技股份有限公司 | Well accuse truckle with braking structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109203858A (en) * | 2018-10-12 | 2019-01-15 | 无锡赛飞滑泰脚轮制造有限公司 | A kind of shock-absorbing caster wheel |
| CN109203858B (en) * | 2018-10-12 | 2024-03-05 | 无锡赛飞滑泰脚轮制造有限公司 | Shock-absorbing castor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108422805B (en) | 2020-05-08 |
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Effective date of registration: 20210323 Address after: Ouzhong Industrial Park, Zhongqiao International Logistics Science Park, No.2, ousheng Avenue, Pingwang Town, Wujiang District, Suzhou City, Jiangsu Province Patentee after: Tengde caster (Suzhou) Co.,Ltd. Address before: No.315, building 5, Ruiyun, No.99, Furong Zhongsan Road, Xishan Economic and Technological Development Zone, Wuxi City, Jiangsu Province Patentee before: WUXI CARE FREE CASTERS MANUFACTURING Co.,Ltd. |
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