CN207406663U - A kind of brake apparatus that rises and falls of movable pulley - Google Patents
A kind of brake apparatus that rises and falls of movable pulley Download PDFInfo
- Publication number
- CN207406663U CN207406663U CN201721377228.8U CN201721377228U CN207406663U CN 207406663 U CN207406663 U CN 207406663U CN 201721377228 U CN201721377228 U CN 201721377228U CN 207406663 U CN207406663 U CN 207406663U
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- iron core
- wheel hub
- base plate
- rises
- falls
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Abstract
The utility model is related to a kind of brake apparatus that rises and falls of movable pulley, including：Wheel shaft and the wheel hub for being sheathed on wheel shaft, wheel hub includes left secondary wheel hub and right accessory whorl hub, right accessory whorl hub includes ring part and the base plate on the left of ring part, and the middle part of base plate is equipped with right axle hole and is extended with left lantern ring to the left, and the left secondary wheel hub is equipped with and the matched sets of holes of left lantern ring；The accommodating space of one end open is formed between ring part and base plate, brake block, coil and iron core are equipped in accommodating space, the left side of brake block is equipped with several orientation columns, the base plate is equipped with orienting the matched directional hole of column, the left end of iron core is equipped with to accommodate the accommodation space of coil, the middle part of iron core is equipped with to be equipped with to limit the position limiting structure of iron core rotation with the matched perforation of wheel shaft, the right end of iron core, and wheel hub is equipped with for return unit of the brake block away from iron core.The utility model generates braking by the way that brake block is set to rub with iron core, and so as to avoid the abrasion of wheel hub, replacement cost is low.
Description
Technical field
The utility model is related to the brake apparatus technical field of aeromodelling aerocraft more particularly to a kind of systems of rising and falling of movable pulley
Dynamic device.
Background technology
With the development of society, the improvement of people's living standards, more and more people are added among the research of model plane,
Model plane wind turbine at present except rectilinear wing can take off vertically, land, other model plane wind turbines be all by sliding to take off or
Landing, for aeromodelling airplane when sliding landing, since the impact force to ground is larger, coasting distance is farther out；In order to control slide away from
From, it is general using being braked to the movable pulley of aeromodelling airplane, control sliding speed；Such as Application No.：
CN201220557323.7, it is entitled：A kind of brake apparatus；The brake apparatus passes through in wheel hub side setting cavity, cavity
Electromagnetic brake is set, and in braking, electromagnetic brake is mutually attracted generation frictional resistance with wheel hub, so as to generate system to wheel hub
It is dynamic；Since in the process, wheel hub rubs with electromagnetic brake, wheel hub can be worn, after long-time use, it is necessary to wheel
Hub and entire movable pulley are replaced, and cost is higher.
The content of the invention
The purpose of this utility model is that in view of the deficiencies of the prior art, a kind of brake apparatus that rises and falls of movable pulley is provided,
The brake apparatus that rises and falls can avoid the abrasion to wheel hub, reduce use cost.
A kind of brake apparatus that rises and falls of movable pulley, including：Wheel shaft and the wheel hub for being sheathed on wheel shaft, the wheel hub include a left side
Accessory whorl hub and right accessory whorl hub, right accessory whorl hub include ring part and the base plate on the left of ring part, the middle part of the base plate
Left lantern ring is extended with equipped with right axle hole and to the left, the left secondary wheel hub is equipped with and the matched sets of holes of left lantern ring；Ring part and bottom
The accommodating space of one end open is formed between plate portion, brake block, coil and iron core are equipped in accommodating space, the brake block
Left side is equipped with several orientation columns, and the base plate is equipped with orienting the matched directional hole of column, and the left end of the iron core, which is equipped with, to be used
In the accommodation space for accommodating coil, the middle part of iron core is equipped with to be equipped with to limit with the matched perforation of wheel shaft, the right end of iron core
The position limiting structure that iron core rotates, wheel hub are equipped with for return unit of the brake block away from iron core.
Further, the coil is set in a ring；The left side of the iron core is equipped with recessed with the matched annular of coil
Slot.
Preferably, position limiting structure includes the outwardly extending limited block of iron core right end, and the middle part of the limited block is equipped with and cunning
The matched limiting slot of wheel support.
Further, base plate is equipped with several mounting holes, and the return unit includes the reset magnet for being arranged at mounting hole.
Further, the bottom of left secondary wheel hub is respectively equipped with connecting hole with base plate and passes through connector and connects.
Further, lasso and tire are arranged with outside wheel hub.
Further, the end of wheel shaft is connected with slip wheel support, and the slip wheel support includes supporting block, the support
One end of block is inserted into limiting slot and is fixedly connected with wheel shaft, and the other end of supporting block is bent to form connecting portion to the left, connection
Portion is located at the top of tire, and the lower end of the connecting portion is equipped with engaging lug, and engaging lug is hinged with support column, the upper end hinge of connecting portion
Connection sheet is connected to, the upper end of connection sheet is hinged with connecting cylinder, the upper end insertion connecting cylinder of support column.
The beneficial effects of the utility model：The utility model generates braking by the way that brake block is set to rub with iron core, so as to
The abrasion of wheel hub is avoided, replacement cost is low.The activity space of brake block is ensure that simultaneously, in electromagnetic brake no power（It does not stop
Che Shi）, reset magnet can will relate to vehicle piece to away from iron core direction be attracted, ensure main wheel rotation it is smooth will not generate friction, can
That leans on ensure that electromagnetic brake is attracted with separating.
Description of the drawings
Fig. 1 is a kind of structure diagram of the present embodiment.
Fig. 2 is a kind of decomposition texture schematic diagram of the present embodiment.
Fig. 3 is a kind of schematic diagram at visual angle of the present embodiment decomposition texture.
Reference numeral：
1 --- slide wheel support；11 --- connecting cylinder；12 --- connection sheet；13 --- support column；14 --- engaging lug；
15 --- supporting block；10 --- tire；2 --- reset magnet；3 --- wheel shaft；4 --- fastening screw；5 --- iron core；
51 --- limited block；52 --- limiting slot；53 --- accommodation space；6 --- coil；7 --- brake block；71 --- orientation column；
8 --- wheel hub；81 --- left secondary wheel hub；82 --- right accessory whorl hub；821 --- ring part；822 --- guide ring；823 --- bottom
Plate portion；824 --- connecting hole；825 --- left lantern ring；826 --- directional hole；9 --- lasso；20 --- bolt.
Specific embodiment
The utility model is described in detail below in conjunction with attached drawing.As shown in Figure 1 to Figure 3.
Embodiment：A kind of brake apparatus that rises and falls of movable pulley, including：Wheel shaft 3 and the wheel hub 8 for being sheathed on wheel shaft 3, it is described
Wheel hub 8 includes left secondary wheel hub 81 and right accessory whorl hub 82, and right accessory whorl hub 82 includes ring part 821 and positioned at 821 left side of ring part
Base plate 823, the middle part of the base plate 823 are equipped with right axle hole and are extended with left lantern ring 825 to the left, and the left secondary wheel hub 81 is set
Have and left 825 matched sets of holes of lantern ring；The accommodating space of one end open is formed between ring part 821 and base plate 823, is housed
Brake block 7, coil 6 and iron core 5 are equipped in space, the left side of the brake block 7 is equipped with several orientation columns 71, the base plate
823 are equipped with orienting 71 matched directional hole 826 of column, and the left end of the iron core 5 is equipped with to accommodate the accommodation space of coil 6
53, the middle part of iron core 5 is equipped with to be equipped with to limit the /V of the rotation of iron core 5 with 3 matched perforation of wheel shaft, the right end of iron core 5
Structure, wheel hub 8 are equipped with for return unit of the brake block 7 away from iron core 5.
The technical program is powered when being braked to coil 6, and iron core 5 generates strong magnetic field and to brake block 7 with coil
Absorption, brake block 7 use irony or other magnetic materials, and brake block 7 is close to iron core 5 and is adjacent to；Due to the orientation of brake block 7
71 end of column is inserted into always in 823 directional hole 826 of base plate of right accessory whorl hub 82, therefore brake block 7 can be rotated with wheel hub；And
The right end of iron core 5 is provided with position limiting structure, and in specific set, iron core 5 is connected by position limiting structure with sliding wheel support 1, iron
Core 5 keeps not rotating substantially, therefore friction is generated between iron core 5 and brake block 7, so as to generate braking effect；When contact is braked
When, it disconnects and being powered, return unit will push away brake block 7.The frictional force size of above-mentioned friction and contact area, coefficient of friction and suction
Attached power size is related, since friction is happened between iron core 5 and brake block 7, wheel hub 8 is not influenced, therefore can avoid wheel hub 8
Abrasion, when maintenance is replaced, it is only necessary to replace iron core 5 or brake block 7, reduce cost.Secondly, contact area and friction
Coefficient does not have too big variation substantially after material, structure are fixed, the technical program by by 5 material of iron core using high silicon steel,
Magnetic field intensity and adsorption capacity can be greatly improved.For convenience of the displacement of brake block 7, the right side of base plate 823
Equipped with guide ring 822, the middle part of brake block 7 is equipped with the pilot hole being socketed with guide ring 822.
Further, the coil 6 is set in a ring；The left side of the iron core 5 is equipped with and 6 matched annular of coil
Groove.
Preferably, position limiting structure includes the outwardly extending limited block 51 of 5 right end of iron core, and the middle part of the limited block 51 is equipped with
Limiting slot 52 matched with pulley bracket.
6 annular of coil is set, coil 6 can be facilitated to be molded；Iron core 5 sets annular groove for housing coil 6, preferably
Ground, the depth of annular groove are more than the thickness of coil 6.Brake block 7 is avoided to be abutted with coil 6.Secondly, the right end of iron core 5 passes through
Limiting slot 52 and support assorted are set；Iron core 5 is limited by limiting slot 52 be subject to stent, it is impossible to be rotated.
Further, base plate 823 is equipped with several mounting holes, and the return unit includes the reset magnetic for being arranged at mounting hole
Iron 2.
In the technical program, return unit is used as by using reset magnet 2 so that structure is relatively simple, easy to implement.Phase
Compared with using spring, as return unit, space is not take up, fatigue deformation will not occur, service life is long.
Further, the bottom of left secondary wheel hub 81 and base plate 823 are respectively equipped with connecting hole 824 and are connected by connector
It connects.
In specific set, the base plate 823 in the bottom of left secondary wheel hub 81 and right accessory whorl hub 82 is correspondingly arranged on
Left secondary wheel hub 81 and right accessory whorl hub 82 are fixedly connected by connecting hole 824, connector through connecting hole 824.Connector can be
Bolt 20 and screw, rivet with nut etc..
Further, lasso 9 and tire 10 are arranged with outside wheel hub.
Lasso 9 is set to aid in installing tire 10.Lasso 9 is sleeved on the external middle side of wheel hub.
Further, the end of wheel shaft 3, which is connected with, slides wheel support 1, and the slip wheel support 1 includes supporting block 15, institute
It states one end insertion limiting slot 52 of supporting block 15 and is fixedly connected with wheel shaft 3, the other end Curved to the left of supporting block 15
Into connecting portion, connecting portion is equipped with engaging lug 14 in the top of tire 10, the lower end of the connecting portion, and engaging lug 14 is hinged with branch
Dagger 13, the upper end of connecting portion are hinged with connection sheet 12, and the upper end of connection sheet 12 is hinged with connecting cylinder 11, the upper end of support column 13
It is inserted into connecting cylinder 11.
Wheel support 1 is slided for be connected with the body of aeromodelling airplane, slides wheel support 1 by being hinged at 3, realization movable pulley
Folding and unfolding, pack up slide wheel support 1 when, support column 13, which moves up, to be gradually inserted into connecting cylinder 11；When opening movable pulley
During stent 1, support column 13 is gradually stretched out out of connecting cylinder 11.Supporting block 15 with wheel shaft 3 when fixing, by supporting block 15
Lower face sets fastener hole, sets fastening screw 4 in fastener hole, fastening screw 4 is abutted with wheel shaft 3.
More than content is only the preferred embodiment of the utility model, for those of ordinary skill in the art, according to this reality
With new thought, there will be changes, this specification content should not be construed as in specific embodiments and applications
Limitation to the utility model.
Claims (7)
1. a kind of brake apparatus that rises and falls of movable pulley, including：Wheel shaft and the wheel hub for being sheathed on wheel shaft, the wheel hub include left secondary
Wheel hub and right accessory whorl hub, right accessory whorl hub include ring part and the base plate on the left of ring part, are set in the middle part of the base plate
There is right axle hole and be extended with left lantern ring to the left, the left secondary wheel hub is equipped with and the matched sets of holes of left lantern ring；Ring part and bottom plate
The accommodating space of one end open is formed between portion, brake block, coil and iron core are equipped in accommodating space, it is characterised in that：Institute
The left side for stating brake block is equipped with several orientation columns, and the base plate is equipped with orienting the matched directional hole of column, the iron core
Left end is equipped with to accommodate the accommodation space of coil, and the middle part of iron core is equipped with to be set with the matched perforation of wheel shaft, the right end of iron core
The position limiting structure that limitation iron core rotates is useful for, wheel hub is equipped with for return unit of the brake block away from iron core.
2. a kind of brake apparatus that rises and falls of movable pulley according to claim 1, it is characterised in that：The coil is set in a ring
It puts；The left side of the iron core is equipped with and the matched annular groove of coil.
3. a kind of brake apparatus that rises and falls of movable pulley according to claim 1, it is characterised in that：Position limiting structure includes iron core
The outwardly extending limited block of right end, the middle part of the limited block are equipped with and the matched limiting slot of pulley bracket.
4. a kind of brake apparatus that rises and falls of movable pulley according to claim 1, it is characterised in that：Base plate is equipped with several
Mounting hole, the return unit include the reset magnet for being arranged at mounting hole.
5. a kind of brake apparatus that rises and falls of movable pulley according to claim 1, it is characterised in that：The bottom of left secondary wheel hub and
Base plate is respectively equipped with connecting hole and is connected by connector.
6. a kind of brake apparatus that rises and falls of movable pulley according to any one of claims 1 to 5, it is characterised in that：Wheel hub housing
Equipped with lasso and tire.
7. a kind of brake apparatus that rises and falls of movable pulley according to claim 3, it is characterised in that：The end of wheel shaft is connected with
Wheel support is slided, the slip wheel support includes supporting block, and one end of the supporting block, which is inserted into limiting slot and is fixed with wheel shaft, to be connected
It connects, the other end of supporting block is bent to form connecting portion to the left, and connecting portion is in the top of tire, the lower end of the connecting portion
Equipped with engaging lug, engaging lug is hinged with support column, and the upper end of connecting portion is hinged with connection sheet, and the upper end of connection sheet is hinged with connection
Cylinder, the upper end insertion connecting cylinder of support column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721377228.8U CN207406663U (en) | 2017-10-24 | 2017-10-24 | A kind of brake apparatus that rises and falls of movable pulley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721377228.8U CN207406663U (en) | 2017-10-24 | 2017-10-24 | A kind of brake apparatus that rises and falls of movable pulley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207406663U true CN207406663U (en) | 2018-05-25 |
Family
ID=62321379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721377228.8U Active CN207406663U (en) | 2017-10-24 | 2017-10-24 | A kind of brake apparatus that rises and falls of movable pulley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207406663U (en) |
-
2017
- 2017-10-24 CN CN201721377228.8U patent/CN207406663U/en active Active
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