CN202863031U - Wheel set - Google Patents
Wheel set Download PDFInfo
- Publication number
- CN202863031U CN202863031U CN201220427021.8U CN201220427021U CN202863031U CN 202863031 U CN202863031 U CN 202863031U CN 201220427021 U CN201220427021 U CN 201220427021U CN 202863031 U CN202863031 U CN 202863031U
- Authority
- CN
- China
- Prior art keywords
- main shaft
- wheels
- cam
- runner
- support
- 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.)
- Expired - Lifetime
Links
Images
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
- B60B33/02—Castors in general; Anti-clogging castors with disengageable swivel action, i.e. comprising a swivel locking mechanism
- B60B33/025—Castors in general; Anti-clogging castors with disengageable swivel action, i.e. comprising a swivel locking mechanism by using form-fit, e.g. front teeth
-
- 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
- B60B33/006—Castors in general; Anti-clogging castors characterised by details of the swivel mechanism
-
- 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
-
- 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
- B60B33/0081—Castors in general; Anti-clogging castors characterised by details of the wheel braking mechanism acting on tire tread
-
- 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
- B60B33/02—Castors in general; Anti-clogging castors with disengageable swivel action, i.e. comprising a swivel locking mechanism
-
- 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
- B60B33/02—Castors in general; Anti-clogging castors with disengageable swivel action, i.e. comprising a swivel locking mechanism
- B60B33/021—Castors in general; Anti-clogging castors with disengageable swivel action, i.e. comprising a swivel locking mechanism combined with braking of castor wheel
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
- Handcart (AREA)
Abstract
The utility model discloses a wheel set which comprises a main shaft cover, a rotating wheel support and a rotating wheel. A cam is arranged on the upper portion of the main shaft cover. An adjusting nut is arranged inside the main shaft cover. The upper end of the adjusting nut contacts the cam through a pressure spring. A main shaft is fixedly connected at the lower end of the adjusting nut. The main shaft penetrates through the connection portion of the main shaft cover and the rotating wheel support. A braking piece is arranged at the lower end of the main shaft. The braking piece is close to the edge of the rotating wheel. An arresting disc is arranged on the lower portion of the main shaft. A plurality of protrusions which are evenly distributed along the periphery direction are arranged at the lower end of the arresting disc. An arresting piece is arranged on the rotating wheel support. A plurality of holes are formed in the arresting piece. The plurality of protrusions on the arresting disc are meshed with one another. The cam drives the main shaft when rotating so that the wheel set achieves three functions, namely free rotating steering, free rotating and locking. According to the wheel set, the cam is rotated to drive the arresting disc to move up and down in a reciprocating mode so that the arresting disc can be meshed with and separated from the arresting piece and the rotating wheel support, the three functions are achieved, and the wheel set is convenient to operate and accurate to control.
Description
Technical field
The utility model belongs to the transmission device technical field, particularly a kind of wheels.
Background technology
Traditional wheel group structure is generally by a main shaft and the rotatable runner of installing thereon, individual braking mechanism is arranged between main shaft and the runner, braking mechanism is manual or foot-driven type, runner not only can roll and can also carry out around the axis of main shaft 360 degree rotations, makes wheels do the rotation of multidirectional.The braking mechanism of traditional wheel group structure can only brake to the rotating direction of runner, brakes and can not rotate the directivity of runner, makes wheels can not be fixed on veritably a place, thereby may cause safety misadventure.
In order to overcome the problems referred to above, in the prior art traditional wheels are improved, restriction runner directivity rotatable parts have been increased, such as Chinese patent " improved the wheel group structure " (patent No.: 200520011355.7) realize the directivity of runner is fixed by a pressure part.But its pressure part is arranged on the top of runner, controls operation inconvenience, function singleness by pin.The user usually can forget these parts of use, only has when occurring just going use when wheels break away.And for example (patent No.: 200720189861.4) control by a grinding tooth, also be to operate by foot-operated to Chinese patent " Castor structure that simultaneously restriction is rotated and turned to ".In addition, in the above-mentioned two schemes, to the braking locking of runner, can only realize rotating and turn to simultaneously locking, can't realize only locking in the reality demand that turns to.
The utility model content
In order to solve the problems of the technologies described above, the utility model provides a kind of wheels, by cam with rotate disc, freely advances, rotates steering locking, three kinds of mode of operations of steering locking in the hope of what realize wheels.
The technical scheme that the utility model is taked is:
A kind of wheels, comprise mainshaft cap, be arranged on the runner support of mainshaft cap lower end and be arranged on runner on the runner support, it is characterized in that: the top of described mainshaft cap is provided with cam, the adjustment nut is set in the described mainshaft cap, described adjustment nut makes its upper end contact with described cam by a pressure spring, at main shaft of the lower end of described adjustment nut captive joint, described main shaft passes the junction of mainshaft cap and runner support, lower end at main shaft is provided with brake member, and described brake member is near the edge of described runner; Bottom at described main shaft arranges arresting disc, described arresting disc lower end is provided with a plurality of along the circumferential direction uniform projections, at described runner support a locking plate is set, have a plurality of holes on the described locking plate, described a plurality of hole is corresponding with a plurality of projection positions on the described arresting disc, and described locking plate can carry out up and down straight-line motion by a pressure spring in described support; Described cam is provided with two grooves, the upper end of described adjustment nut laid respectively at and drives described main shafts in the outermost circle of described cam and two grooves and make described wheels be in three kinds of states when described cam rotated: (1) described brake member unclamps, described stop disc unclamps, and described wheels are freely advanced; (2) described brake member unclamps, and described stop disc is fixed on a certain position of runner support, and described wheels are advanced to a fixed-direction; (3) described brake member stops described runner, and described stop disc is fixed, and described wheels stop.
Further, described arresting disc and described main shaft are one.
Further, described locking plate is circle or kidney-shaped.
Further, be provided with threaded openings in the one or both sides of described mainshaft cap, in the described threaded openings hand-screw be set.
Further, the top of described cam is provided with locating dowel pin.
Further, outside described support, rack shell is set, at described runner cover tire is set.
Further, at described locking plate riveting nut and limit spring are set.
The beneficial effects of the utility model are:
(1) locking of wheels control realizes that by the transmission of cam and main shaft all operations can be finished by a hand, and operation is simple fast;
(2) structure of stop disc makes wheels lock at a plurality of steering angles;
(3) locating dowel pin on the cam makes the location more accurate;
(4) hand-screw allows and makes the fixing more firm of wheels.
(5) riveting nut on the locking plate and limit spring make the more reliable of arresting disc and locking plate engagement.
Description of drawings
Accompanying drawing 1 is blast structural representation of the present utility model;
Accompanying drawing 2 is front elevation of the present utility model;
Accompanying drawing 3 is the A-A cutaway view of accompanying drawing 2;
Accompanying drawing 4 is that the B of accompanying drawing 2 is to view;
Accompanying drawing 5 is the C-C cutaway view of accompanying drawing 4;
Accompanying drawing 6 is the partial enlarged drawing of D in the accompanying drawing 5.
Label in the accompanying drawing is respectively:
1. mounting ring; 2. locating dowel pin;
3. cam; 4. adjusting nut;
5. pressure spring; 6. spindle tube;
7. mainshaft cap; 8. block a shot;
9. side opening; 10. bearing;
11. arresting disc; 12. locking plate;
13. rivet; 14. rack shell;
15. support; 16. runner;
17. cover tire; 18. bearing;
19. main shaft; 20. brake member;
21. pressure spring; 22. hand-screw.
The specific embodiment
Elaborate below in conjunction with the specific embodiment of accompanying drawing to a kind of wheels of the utility model.
Referring to accompanying drawing 1,2,4, castor is linked to each other with the support 15 on top by the main shaft 19 in the mainshaft cap 7 on top, runner 16 is installed in support 15 belows, main shaft 19 belows are provided with brake member 20, realization is to the twist-lock of runner 16, the bottom of main shaft 19 also is provided with arresting disc 11, is provided with locking plate 12 at support 15, and the arresting disc chip architecture realizes the steering locking to runner.Below be elaborated.
Referring to accompanying drawing 1,3,5,6, captive joint with adjusting nut 4 by screw thread in the upper end of main shaft 19, the upper end of adjusting nut 4 forms a conical head, pressure spring 5 of adjusting nut 4 outer sockets, and the upper end of pressure spring 5 terminates in adjusting nut 4, the lower end terminates in a spindle tube 6, the top of adjusting nut 4 is provided with cam 3, and two recesses are arranged at the bottom of cam 3, and the conical head of adjusting nut 4 is corresponding with recess to be cooperated, the top of cam 3 is provided with groove, is provided with locating dowel pin 2 in the groove.Be surrounded by two mainshaft caps 7 in the outside of cam 3, adjusting nut 4, pressure spring 5, spindle tube 6, it is interior fixing that spindle tube 6 is arranged on the respective grooves of mainshaft cap 7, cam 3 is arranged in the respective circular groove of mainshaft cap 7, locating dowel pin 2 is fixing with mainshaft cap 7, cam 3 rotates in locating dowel pin 2 restricted portions, above cam 3, be provided with mounting ring 1, be fixed two mainshaft caps 7 in aggregates.Rivet by bearing 10 mutually with support 15 lower end of spindle tube 6, main shaft 19 passes the junction, in the bottom of main shaft 19 arresting disc 11 is set, at support 15 locking plate 12 is installed, arresting disc 11 is disc, be tight fit connection with main shaft 19 or be structure as a whole with main shaft 19, locking plate 12 is fixed on the support 15, can produce up and down straight-line displacement with support 15, straight-line displacement distance is equipped with a limit spring 21 below locking plate in a restricted portion, be provided with a plurality of projections at the lower surface of arresting disc 11, projection is distributed on the same circumference, projection is fixed on the arresting disc 11 by techniques such as welding, and is also can arresting disc 11 one-body molded, has a plurality of holes at locking plate 12, the position in hole is meshed with projection position, and the hole can also can be blind hole for through hole.Locking plate 12 also can annular arrangement or the rear kidney-shaped that forms of both sides excision.The interstitial hole of locking plate 12 is passed in the lower end of main shaft 19, fixedly mounts a brake member 20 in the lower end of main shaft 19 by fastener, and brake member 20 is selected high-abrasive material.Support 15 is fork-shaped, and it installs runner 16 by bearing 18 rotatable parts such as grade bottom.Rubbery cover tyre 17 is set on the excircle of runner 16, by rivet 13 connecting elements such as grade rack shell 14 is set in the outside of support 15, rack shell 14 covers runner half, is used for preventing that foreign matter from entering wheel.
Continuation is referring to accompanying drawing 5,6, the working process of these wheels is, the top of the mainshaft cap 7 of castor is installed in the go-cart, in the centre hole of cam 3, adjust bar is set, the centre hole of cam is interior hexagonal, adjust bar also is the hexagonal bar, the periphery of cam 3 is provided with a dark groove and a shallow grooves, when adjust bar adjusting cam 3 make shallow grooves be in cam 3 under the time, the be stressed thrust of spring 5 of setting nut 4, its conical head heads in the shallow grooves, and at this moment, main shaft 19 is also followed setting nut 4 and risen, after main shaft 19 rises, brake member 20 is thrown off with runner 16, and the arresting disc 11 on the main shaft is thrown off with locking plate 12, and the user can control the wheels free walker and advance and freely turn.When adjust bar adjusting cam 3 make dark groove be in cam 3 under the time, setting nut 4 is subjected to the combined action power of cam 3 and pressure spring 5, its conical head heads in the dark groove, at this moment, main shaft 19 is also followed setting nut 4 and is risen, after main shaft 19 rises, arresting disc 11 on the main shaft 19 rises and contacts with swinging mounting 15 upper surfaces, brake member 20 climbs away runner simultaneously, rib above the arresting disc 11 fully contacts with the swinging mounting upper ground surface under the effect of pressure spring 5, just in time fall in two grooves of runner support 15 by the wheel rib of inertia on making above the arresting disc 11 of advancing, because arresting disc 11 is locked with the runner support, runner can only be along wheel footpath direction linear rows and then the action that can not turn.When adjust bar adjusting cam 3 make the maximum excircle of cam 3 be positioned at cam 3 under the time, main shaft 19 promotes arresting disc 11 and locking plate 12 engagements downwards, and under pressure spring 21 effect, make both fully mesh to reach and stop wheel to be turned, and brake member 20 terminated on the runner 16, runner 16 is pinned, at this moment runner 16 can not rotate also and not turn to, and wheels stop at a fixing place.Firm in order to guarantee three kinds of functions of wheel; Prevent the rotation of mainshaft cap, have side opening 9 at mainshaft cap 7, side opening 9 inside fire attacks have screw thread, with mainshaft cap 7 and spindle tube 6 lockings, guarantee that the position is fixed between mainshaft cap and spindle tube by a hand-screw 22.
The above only is preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (7)
1. wheels, comprise mainshaft cap, be arranged on the runner support of mainshaft cap lower end and be arranged on runner on the runner support, it is characterized in that: the top of described mainshaft cap is provided with cam, the adjustment nut is set in the described mainshaft cap, described adjustment nut makes its upper end contact with described cam by a pressure spring, at main shaft of the lower end of described adjustment nut captive joint, described main shaft passes the junction of mainshaft cap and runner support, lower end at main shaft is provided with brake member, and described brake member is near the edge of described runner; Bottom at described main shaft arranges arresting disc, described arresting disc lower end is provided with a plurality of along the circumferential direction uniform projections, at described runner support a locking plate is set, have a plurality of holes on the described locking plate, described a plurality of hole is meshed with a plurality of projection positions on the described arresting disc, and described locking plate can carry out up and down straight-line motion by a pressure spring in described support; Described cam is provided with two grooves, the upper end of described adjustment nut laid respectively at and drives described main shafts in the outermost circle of described cam and two grooves and make described wheels be in three kinds of states when described cam rotated: (1) described brake member unclamps, described stop disc unclamps, and described wheels are freely advanced; (2) described brake member unclamps, and described stop disc is fixed on a certain position of runner support, and described wheels are advanced to a fixed-direction; (3) described brake member stops described runner, and described stop disc is fixed, and described wheels stop.
2. a kind of wheels according to claim 1, it is characterized in that: described arresting disc and described main shaft are one.
3. a kind of wheels according to claim 1 is characterized in that: described locking plate is for circular.
4. each described a kind of wheels in 3 according to claim 1, it is characterized in that: the one or both sides at described mainshaft cap are provided with threaded openings, in the described threaded openings hand-screw are set.
5. each described a kind of wheels in 3 according to claim 1, it is characterized in that: the top of described cam is provided with locating dowel pin.
6. each described a kind of wheels in 3 according to claim 1 is characterized in that: two buckle-type rack shells are set outside described support, at described runner cover tire are set.
7. each described a kind of wheels in 3 according to claim 1 is characterized in that: at described locking plate riveting nut and limit spring are set.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220427021.8U CN202863031U (en) | 2012-08-27 | 2012-08-27 | Wheel set |
| PCT/CN2012/087138 WO2014032380A1 (en) | 2012-08-27 | 2012-12-21 | Wheel set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220427021.8U CN202863031U (en) | 2012-08-27 | 2012-08-27 | Wheel set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202863031U true CN202863031U (en) | 2013-04-10 |
Family
ID=48029779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220427021.8U Expired - Lifetime CN202863031U (en) | 2012-08-27 | 2012-08-27 | Wheel set |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN202863031U (en) |
| WO (1) | WO2014032380A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103754064A (en) * | 2013-12-23 | 2014-04-30 | 惠州柯林电器有限公司 | Wheel set structure |
| CN104249601A (en) * | 2014-05-27 | 2014-12-31 | 太仓兴锋脚轮有限公司 | Universal wheel |
| CN106163825A (en) * | 2014-02-07 | 2016-11-23 | 株式会社南星 | Double lock type castor |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7283993B2 (en) * | 2019-06-20 | 2023-05-30 | アイカ工業株式会社 | Infrared cut hard coat resin and hard coat film using the same |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATE297845T1 (en) * | 2001-09-05 | 2005-07-15 | Hill Rom Services Inc | Sick bed castor device |
| US8452508B2 (en) * | 2005-11-10 | 2013-05-28 | Linet Spol. S.R.O. | Braking system for patient support |
| CN201350183Y (en) * | 2009-02-05 | 2009-11-25 | 圣路机械(嘉兴)制造有限公司 | Caster brake system for sickbed |
| CN201566412U (en) * | 2009-09-09 | 2010-09-01 | 朗美(厦门)健身器材有限公司 | Cam brake mechanism |
| CN202106803U (en) * | 2011-06-30 | 2012-01-11 | 李有枝 | Multi-system brake hardware medical caster |
-
2012
- 2012-08-27 CN CN201220427021.8U patent/CN202863031U/en not_active Expired - Lifetime
- 2012-12-21 WO PCT/CN2012/087138 patent/WO2014032380A1/en active Application Filing
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103754064A (en) * | 2013-12-23 | 2014-04-30 | 惠州柯林电器有限公司 | Wheel set structure |
| CN103754064B (en) * | 2013-12-23 | 2016-09-07 | 张晶 | Wheel group structure |
| CN106163825A (en) * | 2014-02-07 | 2016-11-23 | 株式会社南星 | Double lock type castor |
| CN104249601A (en) * | 2014-05-27 | 2014-12-31 | 太仓兴锋脚轮有限公司 | Universal wheel |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014032380A1 (en) | 2014-03-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202863031U (en) | Wheel set | |
| WO2017020872A1 (en) | Connecting shaft apparatus and bicycle | |
| CN101003125A (en) | Mounting system for grinding wheels and the like | |
| US7707686B2 (en) | Truckle assembly | |
| CN106853749B (en) | Central control castor control device | |
| CN103661546A (en) | Braking mechanism and baby carriage with the same | |
| CN203332336U (en) | Bicycle and bicycle chain shifter | |
| CN208479361U (en) | A kind of outer outer rotor hub motor that electromagnetic brake is housed | |
| CN204311866U (en) | A kind of coded lock of two-way unlocking | |
| CN201461806U (en) | Manual adjusting arm of brake clearance of automobile | |
| CN204292381U (en) | A kind of Rome umbrella rotating base | |
| CN216861071U (en) | Independent duplex bearing inertia integrated configuration flower-drum | |
| CN207825834U (en) | Castor control system is controlled in a kind of link-type | |
| EP2060409B1 (en) | Truckle assembly | |
| CN208570444U (en) | A kind of rotary operation driving structure of New Type Isolating Switch | |
| KR102236845B1 (en) | Drag Apparatus of Fly Reel | |
| CN206171034U (en) | Fine tuning rapid disassembly structure | |
| CN206485126U (en) | A kind of wheel and vehicle | |
| CN209966310U (en) | Replaceable cleaning module for shoe washing machine | |
| JP5834932B2 (en) | Valve mounting device | |
| CN205553768U (en) | Farm machinery of wheel device and this wheel device of use | |
| CN213083294U (en) | Power-assisted ball of steering wheel | |
| CN213319831U (en) | Conveniently change and anti-drop's sleeve mechanism | |
| CN216352013U (en) | Labor-saving hand wheel for agricultural machinery | |
| CN109080017A (en) | For consolidating the centre frame of graphite electrode |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130410 |