CN203793040U - Castor - Google Patents
Castor Download PDFInfo
- Publication number
- CN203793040U CN203793040U CN201420193036.1U CN201420193036U CN203793040U CN 203793040 U CN203793040 U CN 203793040U CN 201420193036 U CN201420193036 U CN 201420193036U CN 203793040 U CN203793040 U CN 203793040U
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- China
- Prior art keywords
- castor
- brake
- wheel carrier
- lug boss
- wheel
- 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 - Fee Related
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- 235000004443 Ricinus communis Nutrition 0.000 title claims abstract description 92
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 24
- 239000010959 steel Substances 0.000 claims abstract description 24
- 239000012634 fragment Substances 0.000 claims description 35
- 239000000463 material Substances 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 description 18
- 238000000034 method Methods 0.000 description 14
- 230000008569 process Effects 0.000 description 14
- 230000003042 antagnostic effect Effects 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 4
- 240000000528 Ricinus communis Species 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
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- Braking Elements And Transmission Devices (AREA)
- Braking Arrangements (AREA)
- Handcart (AREA)
Abstract
The embodiment of the utility model discloses a castor and aims to solve the problems of castor failure caused by part damage and incapability of directional braking and avoid the mutual interference phenomenon of double-layered steel balls so as to improve the balance of the castor. The castor disclosed by the embodiment of the utility model comprises a mounting bottom plate, a wheel carrier, a wheel, a brake elastic sheet and a brake pedal, wherein the brake pedal is provided with convex parts, and the convex parts penetrate through the wheel carrier and are connected with the clamping positions of the brake elastic sheet; and the brake elastic sheet is provided with the clamping positions matched with the convex parts and is fixedly arranged in an inner cavity of the wheel carrier. The castor further comprises a layer of steel balls and a tray, wherein the steel balls are uniformly arranged in the tray; the tray is fixedly mounted in the inner cavity of the wheel carrier.
Description
Technical field
The utility model relates to mechanical equipment technical field, relates in particular to a kind of castor.
Background technology
Castor is a kind of mechanics device that is installed on vehicle bottom.Such as dispensing car, instrument truck, food conveyor, wheelchair etc.According to whether having cornering properties, castor is divided into rigid castors and movable castor.Movable castor can be realized 360 degree orientations, has more convenience, thereby be widely used than rigid castors.Some movable castor also adds braking mechanism, realizes simultaneously comprise integrated locking function directed and brake after user's operation.
At present, the critical component of castor generally comprises: mounting base, wheel carrier, wheel and pedal, and adopt the principle of self-lock switch to realize the directed and brake of castor, the bearing of these castors generally adopts the structure of double-deck steel ball simultaneously.
But, adopt the castor of self-lock switch principle need to add self-locking mechanism, and this self-locking mechanism often parts are various,, in the process using, very easily there is damage of components and cause the castor cannot be directed or the problem of brake in complex structure; And double-deck steel ball structure on castor bearing makes castor occur the phenomenon that levels steel ball is disturbed mutually in the process of operation, castor operation is jolted, reduce the balance of castor.
Utility model content
The utility model embodiment discloses a kind of castor, disturbs mutually phenomenon for what avoid malfunctioning, problem that cannot directed brake that castor occurs because of damage of components and double-deck steel ball, improves the balance of castor.
A kind of castor that the utility model embodiment provides, comprising: mounting base, wheel carrier and wheel, and described castor also comprises:
Brake shell fragment and brake pedal;
Described brake pedal is provided with lug boss, passes described wheel carrier and is connected with the engaging position of described brake shell fragment;
Described brake shell fragment is provided with the position that engages coordinating with described lug boss, and is fixed on the inner chamber of described wheel carrier;
Described castor also comprises: one deck steel ball and pallet;
Described steel ball is evenly arranged in described pallet;
Described pallet is fixedly installed in the inner chamber of described wheel carrier.
Alternatively,
Described brake shell fragment is provided with orienting piece and brake facing.
Alternatively,
Described lug boss is T-shaped projection, and is flexibly connected with described engaging position.
Alternatively, described castor also comprises: axle rivet;
Described axle rivet is provided with the latch coordinating with described orienting piece, through described mounting base and be positioned at the inner chamber of described wheel carrier;
Described axle rivet is provided with the pearl groove coordinating with described steel ball, and through described pallet;
Described steel ball is arranged on described pearl groove, and between described axle rivet and described pallet.
Alternatively, described castor also comprises: check screw;
Described check screw is fixed on described brake shell fragment and described pallet the inner chamber of described wheel carrier successively.
Alternatively,
Described wheel carrier is provided with the through hole coordinating with described lug boss;
Described lug boss, through described through hole, is flexibly connected with described engaging position at the inner chamber of described wheel carrier.
Alternatively,
Described brake pedal is made up of the club-shaped material of overall flange.
Alternatively,
The quantity of described engaging position, described lug boss and described through hole everybody 2.
Alternatively,
Described mounting base is fixedly connected with by anchor shaft with described axle rivet.
Alternatively, described castor also comprises: wheel shaft and nut;
Described wheel is flexibly connected by described wheel shaft and described wheel carrier, and described wheel shaft is by described nut locking.
As can be seen from the above technical solutions, the utility model embodiment has the following advantages:
By brake shell fragment and brake pedal are set, form braking mechanism, can realize brake and the self-locking function of castor.The braking mechanism parts of the present embodiment are less, simple in structure, can in the long-time process using, keep the stability of parts, are not easy to occur damaging, and avoided that castor is malfunctioning, problem that cannot directed brake; What simultaneously castor adopted that individual layer steel ball structure makes that castor avoided double-deck steel ball in the process of operation disturbs phenomenon mutually, makes castor operation more steady, has improved the balance of castor.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the exploded view of castor in the utility model embodiment;
Fig. 2 is the braking mechanism exploded view of castor in the utility model embodiment;
Fig. 3 is the released state of castor and the section-drawing of lock-out state in the utility model embodiment;
Fig. 4 is the support holder structure figure of castor in the utility model embodiment;
Fig. 5 is castor diagram of work in the utility model embodiment;
Fig. 6 is section-drawing and the front elevation of castor in the time of released state in the utility model embodiment;
Fig. 7 is section-drawing and front elevation when castor is in the lock state in the utility model embodiment;
Fig. 8 is the axle rivet arrangement figure of castor in the utility model embodiment.
Detailed description of the invention
The utility model embodiment discloses a kind of castor, and that can avoid malfunctioning, problem that cannot directed brake that castor occurs because of damage of components and double-deck steel ball disturbs phenomenon mutually, improves the balance of castor.
Refer to Fig. 1, in the utility model embodiment, embodiment of a kind of castor comprises:
Mounting base 01, wheel carrier 02, wheel 03, brake shell fragment 04, brake pedal 05, axle rivet 06, steel ball 07, pallet 08, check screw 09, wheel shaft 10, nut 11.
Wherein, refer to Fig. 2, brake shell fragment 04 and brake pedal 05 have formed the braking mechanism of this castor jointly, and this braking mechanism possesses and comprises directed and brake integrative lock function, and further, this lock function is self-locking function.Its operating mode is elaborated below.
Mounting base 01 is installed on the bottom of vehicle for the castor that the present embodiment is somebody's turn to do, as the attaching parts of castor and vehicle.Generally, the installation quantity of castor is 4.The present embodiment is not done concrete restriction to the pattern of mounting base 01.
Wheel carrier 02 is as the basic stake body of this castor, is mainly used in the position of fixing wheel 03 and braking mechanism, and provides application of force fulcrum for braking mechanism.Refer to Fig. 2, wheel carrier 02 comprises the first screw hole 021 and through hole 022, describes below with reference to brake shell fragment 04 and brake pedal 05.
Wheel 03 is General Mechanics equipment, and its principle of work is to roll to replace to slide, thereby reduces thrust, and wheel 03 carries out roller bearing with wheel carrier 02 and is connected, and its bindiny mechanism comprises wheel shaft 10 and nut 11, and connection mode here repeats no more.
Brake pedal 05 is user's direct application of force object.When user tramps with one's feet down and mentions brake pedal 05, according to the principle of work of braking mechanism, the braking mechanism of this castor will enter respectively lock-out state and released state.For example, when braking mechanism is during in released state, castor can free motion, and now, if user steps on brake pedal 05, the state of the braking mechanism of this castor is switched to lock-out state by released state, and castor orientation and wheel 03 brake.Brake pedal 05 is provided with lug boss 051.
Brake shell fragment 04 is provided with the first screw hole 021, orienting piece 041 and brake facing 042, in the time that castor is in the lock state, on orienting piece 041, move, the rotational angle of anchor shaft rivet 06, because mounting base 01 is fixedly connected with by anchor shaft with axle rivet 06, therefore makes mounting base 01 orientation, simultaneously, brake facing 042 moves down, and the contact interlock wheel 03 that it is divided into, checks wheel 03.Preferably, contact comprises the each contact of both direction.
The shell fragment 04 that brakes is also provided with engaging position 043, the critical component that the lug boss 051 of engaging position 043 and brake pedal 05 is braking mechanism.Refer to Fig. 1 and Fig. 2, the lug boss 051 of brake pedal 05, through the through hole 022 of wheel carrier 02, enters into the inner chamber of wheel carrier 02, is flexibly connected with the engaging position 043 of brake shell fragment 04.First check screw 09 locks in the first screw hole 021, then locks in the second screw hole 044, finally locks in the 3rd screw hole 081, brake shell fragment 04 and pallet 08 is fixed on successively to the inner chamber of wheel carrier 02.When castor is during in released state, as shown in Figure 3, lug boss 051 is connected with 043 contact of engaging position, and brake pedal 05 is not in stepping on state, between brake facing 042 and wheel 03, there is certain intervals, between orienting piece 041 and the latch 062 of axle rivet 06, also have certain intervals.After brake pedal 05 is operated, castor switches to lock-out state, as shown in Figure 3, lug boss 051 changes with engaging position 043 relative position, and lug boss 051 rotates along with stepping on of brake pedal 05, lug boss 051 with engage a 043 generation relative displacement, make to be subject to downward power in 043 process of rotating at lug boss 051 of engaging position, engaging position 043 is subjected to displacement downwards, thereby drives brake facing 042 to move down, the contact interlock wheel 03 that it is divided into., because the position of the second screw hole 044 of brake shell fragment 04 screw 09 that is fixed is fixed on wheel carrier 02, in the time of 043 stressed the moving down of engaging position, according to mechanics principle, on orienting piece 041, move, orienting piece 041 blocks the latch 062 of axle rivet 06 meanwhile.
Preferably, this lug boss 051 is T-shaped projection, and is flexibly connected with this engaging position 043.
Preferably, this brake pedal 05 is made up of the club-shaped material of overall flange.This brake pedal 05 can be processed by distortion by material pole, and two ends of material pole become eccentric acting point (lug boss 051) through extrusion process.This brake pedal 05 utilizes through hole 022 on wheel carrier 02 as fulcrum, and the power of user being stepped on to brake pedal 05 is passed to the brake facing 042 on brake shell fragment 04 by lug boss 051, reaches brake, un-brake, the resident object of brake.
The castor mounting means that the present embodiment is somebody's turn to do is as follows:
This brake pedal 05 is provided with lug boss 051, passes this wheel carrier 02 and is connected with the engaging position 043 of this brake shell fragment 04.
This brake shell fragment 04 be provided with coordinate with this lug boss 051 engage position 043, and be fixed on the inner chamber of this wheel carrier 02.
This brake shell fragment 04 is provided with orienting piece 041 and brake facing 042.
This steel ball 07 is evenly arranged in this pallet 08.
This pallet 08 is fixedly installed in the inner chamber of this wheel carrier 02.
This axle rivet 06 is provided with the latch 062 coordinating with this orienting piece 041, through this mounting base 01 and be positioned at the inner chamber of this wheel carrier 02.
This axle rivet 06 is provided with the pearl groove 061 coordinating with this steel ball 07, and through this pallet 08.
This steel ball 07 is arranged on this pearl groove 061, and between this axle rivet 06 and this pallet 08.
This check screw 09 is fixed on this brake shell fragment 04 and this pallet 08 inner chamber of this wheel carrier 02 successively.
This wheel carrier 02 is provided with the through hole 022 coordinating with this lug boss 051.
This lug boss 051, through this through hole 022, is flexibly connected with this engaging position 043 at the inner chamber of this wheel carrier 02.
The quantity of this engaging position 043, this lug boss 051 and this through hole 022 everybody 2.
This mounting base 01 is fixedly connected with by anchor shaft with this axle rivet 06.
This wheel 03 is flexibly connected by this wheel shaft 10 and this wheel carrier 02, and this wheel shaft 10 locks by this nut 11.
Refer to Fig. 3, wherein 3A is the general assembly section-drawing of this castor in released state, and 3B is the general assembly section-drawing that this castor is in the lock state.Fig. 8 is the constructional drawing of axle rivet 06.
The inner structure linkage status in the time working by this castor of explanation below.
Refer to Fig. 5, suppose that castor initial condition is released state, brake pedal 05 is in initial position, user's lower brake pedal 05 that tramps with one's feet, brake pedal 05 is pivotally lowered into self-locking after certain position, switches to lock-out state, and user mentions brake pedal 05 with pin, brake pedal 05 upwards turns to initial position, switches to released state.
Refer to Fig. 6, at released state, the lug boss 051 of brake pedal 05 does not press down the engaging position 043 of brake shell fragment 04, and the orienting piece 041 of brake shell fragment 04 does not act on axle rivet 06, and brake facing 042 does not act on wheel 03.Refer to Fig. 7, be switched to after lock-out state process, the lug boss 051 of brake pedal 05 presses down the engaging position 043 of brake shell fragment 04, and the orienting piece 041 of brake shell fragment 04 blocks the latch 062 of axle rivet 06, and brake facing 042 is checked wheel 03.
Being switched to by released state in the process of lock-out state, user steps on brake pedal 05, and brake pedal 05 is rotated down around the axis of the through hole 022 of wheel carrier 02, drives the lug boss 051 of brake pedal 05 to be rotated down.In the process that lug boss 051 is rotated down, give brake shell fragment the 04 downward power in engaging position 043, because brake shell fragment 04 is fixed on wheel carrier 02 all the time, therefore lug boss 051 with engage position 043 produce a relative displacement, engaging position 043 moves down, engaging position 043 drives brake facing 042 to move down, until brake facing 042 interlock wheel 03 is realized brake.Meanwhile, because the position of the second screw hole 044 of brake shell fragment 04 screw 09 that is fixed is fixed on wheel carrier 02, in the time of 043 stressed the moving down of engaging position, according to mechanics principle, on orienting piece 041, move, orienting piece 041 blocks the latch 062 of axle rivet 06, makes axle rivet 06 orientation, because axle rivet 06 is fixedly connected with by anchor shaft with mounting base 01, therefore castor is realized directed again.In the time of brake facing 042 interlock wheel 03, brake facing 042 can obtain an antagonistic force upwards, this antagonistic force impels on brake facing 042 and moves, drive impels on engaging position 043 and moves, but lug boss 051 with engage position 043 and produce after relative displacement, due to the structure of engaging position 043, lug boss 051 just with engage position 043 mutually engaging, only depend on this antagonistic force cannot make lug boss 051 reverse and get back to original position, now brake facing 042, orienting piece 041, the equal hold mode locking of lug boss 051, realize the auto-lock function of similar self-locking device, brake pedal 05 does not reset.
Being switched to by lock-out state in released state process, user mentions brake pedal 05, and brake pedal 05 rotates up around the axis of the through hole 022 of wheel carrier 02, for the lug boss 051 of brake pedal 05 brings rotational force upwards.Lug boss 051 is under the combined action of rotational force and antagonistic force, break through and engage position 043 blockade of engaging mutually, original position is got back in reverse, now lug boss 051 does not provide downward power in the engaging position 043 of giving brake shell fragment 04, engaging position 043 is moved under the effect of antagonistic force, on brake facing 042, move, wheel 03 is no longer braked.Meanwhile, because the position of the second screw hole 044 of brake shell fragment 04 screw 09 that is fixed is fixed on wheel carrier 02, in the time moving on engaging position 043, according to mechanics principle, orienting piece 041 moves down, and orienting piece 041 does not act on the latch 062 of axle rivet 06, makes axle rivet 06 movable, castor return motion, thus realize unlocking function.This process is similar to the inverse process that is switched to lock-out state by released state.
By brake shell fragment 04 and brake pedal 05 are set, form braking mechanism, can realize brake and the self-locking function of castor.The braking mechanism parts of the present embodiment are less, simple in structure, can in the long-time process using, keep the stability of parts, are not easy to occur damaging, and avoided that castor is malfunctioning, problem that cannot directed brake; What simultaneously castor adopted that individual layer steel ball 07 structure makes that castor avoided double-deck steel ball 07 in the process of operation disturbs phenomenon mutually, makes castor operation more steady, has improved the balance of castor.Be different from traditional how much multiple spots strand gang mould formulas, improved brake stability, brake pedal 05 is placed on lug boss 051 at the axle core place of kinematic axis, is more conducive to the force transmission of pin while stepping on to this brake shell fragment 04 according to mechanics principle.
Further, brake pedal 05 is made up of the club-shaped material of overall flange, can accomplish material saving, cost-effective effect, meanwhile, the design of overall flange makes brake pedal 05 on original basis, improve overall rigidity, thereby has improved the durability degree of brake pedal 05, and just can avoid occurring sharp burr without polishing, improve the safety using.
Above a kind of castor provided by the utility model is described in detail, for one of ordinary skill in the art, according to the thought of the utility model embodiment, all will change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model.
Claims (10)
1. a castor, comprising: mounting base, wheel carrier and wheel, it is characterized in that, and described castor also comprises:
Brake shell fragment and brake pedal;
Described brake pedal is provided with lug boss, passes described wheel carrier and is connected with the engaging position of described brake shell fragment;
Described brake shell fragment is provided with the position that engages coordinating with described lug boss, and is fixed on the inner chamber of described wheel carrier;
Described castor also comprises: one deck steel ball and pallet;
Described steel ball is evenly arranged in described pallet;
Described pallet is fixedly installed in the inner chamber of described wheel carrier.
2. castor according to claim 1, is characterized in that,
Described brake shell fragment is provided with orienting piece and brake facing.
3. castor according to claim 1, is characterized in that,
Described lug boss is T-shaped projection, and is flexibly connected with described engaging position.
4. castor according to claim 2, is characterized in that, described castor also comprises: axle rivet;
Described axle rivet is provided with the latch coordinating with described orienting piece, through described mounting base and be positioned at the inner chamber of described wheel carrier;
Described axle rivet is provided with the pearl groove coordinating with described steel ball, and through described pallet;
Described steel ball is arranged on described pearl groove, and between described axle rivet and described pallet.
5. castor according to claim 1, is characterized in that, described castor also comprises: check screw;
Described check screw is fixed on described brake shell fragment and described pallet the inner chamber of described wheel carrier successively.
6. castor according to claim 3, is characterized in that,
Described wheel carrier is provided with the through hole coordinating with described lug boss;
Described lug boss, through described through hole, is flexibly connected with described engaging position at the inner chamber of described wheel carrier.
7. castor according to claim 1, is characterized in that,
Described brake pedal is made up of the club-shaped material of overall flange.
8. castor according to claim 6, is characterized in that,
The quantity of described engaging position, described lug boss and described through hole everybody 2.
9. castor according to claim 4, is characterized in that,
Described mounting base is fixedly connected with by anchor shaft with described axle rivet.
10. according to the castor described in any one in claim 1 to 9, it is characterized in that, described castor also comprises: wheel shaft and nut;
Described wheel is flexibly connected by described wheel shaft and described wheel carrier, and described wheel shaft is by described nut locking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420193036.1U CN203793040U (en) | 2014-04-18 | 2014-04-18 | Castor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420193036.1U CN203793040U (en) | 2014-04-18 | 2014-04-18 | Castor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203793040U true CN203793040U (en) | 2014-08-27 |
Family
ID=51375294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420193036.1U Expired - Fee Related CN203793040U (en) | 2014-04-18 | 2014-04-18 | Castor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203793040U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107089100A (en) * | 2017-04-10 | 2017-08-25 | 中山市飞达脚轮有限公司 | A kind of band stop industry wheel |
-
2014
- 2014-04-18 CN CN201420193036.1U patent/CN203793040U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107089100A (en) * | 2017-04-10 | 2017-08-25 | 中山市飞达脚轮有限公司 | A kind of band stop industry wheel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170504 Address after: Nanhai District of Guangdong province 528244 banana water village Foshan city streets Patentee after: FOSHAN NANHAI BAIZIFU HARDWARE PLASTIC PRODUCTS CO., LTD. Address before: 510000, room 18, 201 Songgang, Haizhuqu District, Guangdong, Guangzhou, China Patentee before: Chen Xinqi |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140827 Termination date: 20190418 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |