CN106739799B - A kind of brake wheel - Google Patents
A kind of brake wheel Download PDFInfo
- Publication number
- CN106739799B CN106739799B CN201611058611.7A CN201611058611A CN106739799B CN 106739799 B CN106739799 B CN 106739799B CN 201611058611 A CN201611058611 A CN 201611058611A CN 106739799 B CN106739799 B CN 106739799B
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- CN
- China
- Prior art keywords
- brake
- wheel
- wheel cap
- contact pin
- axis
- 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
- B60B33/0078—Castors in general; Anti-clogging castors characterised by details of the wheel braking mechanism
- B60B33/0084—Castors in general; Anti-clogging castors characterised by details of the wheel braking mechanism acting on axle end
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The present invention provides a kind of brake wheel, including middle frame, wheel cap, brake axle, spring and contact pin, it is provided with shroud shaft on middle frame, wheel cap setting middle frame both sides and with wheel cap axis connection, middle frame is provided with pin holes on the position between wheel cap, the axis hole of pin holes is provided through in pin holes, brake axle is arranged in axis hole and can move up and down in axis hole, contact pin is arranged in pin holes, one end of spring is resisted against pin holes bottom, the other end of spring is resisted against the bottom surface of contact pin, hole or the slot of connection brake axle are provided on contact pin, wheel, which covers, is provided with the cylindrical brake lining coaxial with wheel cap, the brake lining with brake axle for contacting.The present invention can save existing brake wheel with mechanisms such as plates, simplify the mechanism of brake wheel so that produce more convenient, cost reduction.
Description
Technical field
The present invention relates to wheel technical field more particularly to a kind of brake wheels.
Background technology
Brake wheel is the wheel with brake, these wheels are typically all to be mounted on seat, shopping cart or chest etc. to need
On the article to be moved.Brake can allow wheel by frictional force, so that lowering under the speed of wheel, or keep wheel
Son forbids motionless state.It is existing to have had some wheels with brake, and also have before the applicant and applied band certainly
The runner of dynamic brake function, but these wheels, there are complicated, the part needed is excessive, production process is relatively cumbersome, effect
Rate is also beneath.
Invention content
The technical problem to be solved in the present invention is to provide a kind of brake wheel, solves that existing brake wheel is complicated, part
Relatively large number of problem.
The invention is realized in this way：A kind of brake wheel, including middle frame, wheel cap, brake axle, spring and contact pin, on middle frame
Be provided with shroud shaft, wheel cap setting middle frame both sides and with wheel cap axis connection, middle frame is provided with slotting on the position between wheel cap
Pin hole is provided through the axis hole of pin holes in pin holes, and brake axle is arranged in axis hole and can move up and down in axis hole, slotting
Needle is arranged in pin holes, and one end of spring is resisted against pin holes bottom, and the other end of spring is resisted against the bottom surface of contact pin, contact pin
On be provided with connection brake axle hole or slot, wheel cover being provided with wheel cap it is coaxial cylinder brake lining, the brake lining
For being contacted with brake axle.
Further, the shroud shaft is hollow annulus column, is provided on shroud shaft lateral wall for blocking wheel cap
Take turns lid attachments.
Further, the wheel cap is hollow annulus column, is provided on the madial wall of wheel cap for blocking shroud shaft
Wheel cap shaft coupling piece.
Further, the wheel lid attachments include the protrusion around shroud shaft outer wall.
Further, the brake axle is circular shaft, and the brake lining is corrugated brake lining, the wave of the brake lining
Each peak line of shape is identical as the axis direction of wheel cap as hollow line.
Further, the brake lining is on the inner wall of wheel cap.
Further, on the outside of brake lining, the brake axle brakes when being moved downward in axis hole for the upper end of the axis hole
Axis is detached with brake lining.
Further, blocking surface is provided in the middle part of contact pin, the blocking surface is for covering pin holes.
Further, the slot that brake axle is connected on the contact pin is the groove around contact pin.
Further, the axis hole is slotted hole, and the length direction of the slotted hole is identical as pin holes direction.
The invention has the advantages that：Existing brake wheel can be saved with mechanisms such as plates, simplify brake wheel
Mechanism so that production is more convenient.
Description of the drawings
Fig. 1 is the three-dimensional structure diagram of one embodiment of brake wheel of the present invention；
Fig. 2 is the construction profile that one embodiment of brake wheel of the present invention removes side wheel cap；
Fig. 3 is the sectional structure chart of one embodiment of brake wheel of the present invention；
Fig. 4 is the three-dimensional structure diagram of one embodiment of frame in the present invention；
Fig. 5 is the three-dimensional structure diagram of one embodiment of brake axle of the present invention；
Fig. 6 is the three-dimensional structure diagram of one embodiment of wheel cap of the present invention；
Fig. 7 is the three-dimensional structure diagram of one embodiment of contact pin of the present invention.
Reference sign：
10, middle frame；11, wheel cap；12, brake axle；13, spring；14, contact pin；
101, shroud shaft；141, pin holes；142, hole or slot；143, blocking surface；
111, brake lining；1121, raised；
1011, lid attachments are taken turns；1112, on the outside of brake lining；1411, axis hole；
Specific implementation mode
In order to describe the technical content, the structural feature, the achieved object and the effect of this invention in detail, below in conjunction with embodiment
And attached drawing is coordinated to be explained in detail.
Fig. 7 is please referred to Fig.1, the present invention provides a kind of brake wheel, including middle frame 10, wheel cap 11, brake axle 12, spring 13
With contact pin 14, be provided with shroud shaft 101 on middle frame, wheel cap setting middle frame both sides and with wheel cap axis connection.In the present invention, it takes turns
Lid can be rotated relative to middle frame, and in certain embodiments, shroud shaft can be flexibly connected with middle frame, and wheel cap is fixed with shroud shaft
Connection, such shroud shaft can be rotated relative to middle frame, to realize the rotation of wheel cap；Can also be that shroud shaft is fixed with middle frame
Connection, wheel cap are flexibly connected with shroud shaft, i.e., wheel cap can be rotated around shroud shaft, to realize that wheel cap phase centering rack rotates.
Middle frame is provided with pin holes 141 on the position between wheel cap, pin holes are on middle frame, and pin holes are for being inserted into contact pin.It inserts
Be provided through the axis hole 1411 of pin holes in pin hole, axis hole runs through middle frame two sides simultaneously, can allow in this way across brake
Axis is contacted with wheel cap.Brake axle, which is arranged, can move up and down in axis hole and in axis hole, i.e., axis hole is relatively large, can allow brake
Axis moves up and down.Contact pin is arranged in pin holes, and contact pin is used to link together brake wheel with mobile article is needed.Spring
One end be resisted against pin holes bottom, the other end of spring is resisted against the bottom surface of contact pin, does not stress or stress in contact pin in this way
When smaller, spring can push up contact pin upwards.Hole or the slot 142 of connection brake axle are provided on contact pin, i.e. brake axle can
With the connection in hole or slot realization and brake axle on contact pin.Wheel, which covers, is provided with the cylindrical brake coaxial with wheel cap
Face 111, the brake lining with brake axle for contacting.
When in use, brake wheel can be fixed on Foot of chair to the present invention by contact pin.Due to being provided with bullet in pin holes
Spring, then when contact pin does not stress or stress is smaller, if chair does not sit people, then spring can be past out of pin holes by contact pin
Outer top, as up pushed up contact pin in figure.Since brake axle is connect with contact pin, then brake axle can be driven up to move.In this way may be used
To allow brake axle and wheel cap to be in contact condition or contactless state.Whether contact condition or contactless state are in, just
See the position relationship of the position and wheel cap brake lining of axis hole setting.If axis hole is arranged in the inside of brake lining and upper end is through brake
The top in vehicle face will contact with brake lining as shown in figure 3, when then brake axle up moves, that is, be in contact condition.
If up the outer wall of wheel cap has been crossed in setting to axis hole again, when brake axle up moves, will with as brake lining
Cover outer wall separation is taken turns, that is, is in contactless state.
And when sitting people on chair, then contact pin stress moves down, since brake axle is connect with contact pin, then can drive
Brake axle moves down.Contact before brake axle can be allowed to change with wheel cap in this way or contactless state, i.e., can be from contact
State becomes contactless state, and contactless state becomes contact condition.It is in the embodiment of contact condition Ru above-mentioned, i.e. Fig. 3
Embodiment, then when brake axle moves down, will be detached with brake lining, then become contact condition.As it is above-mentioned not by
It is in the embodiment of contactless state when power, it, then, will be with work when brake axle moves down when stress is larger
It is contacted for the wheel cover outer wall of brake lining, that is, is in contact condition, then it is contact condition to change contactless state.
To sum up, the present invention can or stress larger in stress it is smaller when, the brake axle of brake wheel is being contacted with brake lining
State is switched over contactless state, and when brake axle is contacted with brake lining, due to rubbing action, brake wheel is achieved that
Brake function.And when discontiguous, brake wheel can be freely rotated.To realize the self-actuating brake work(of brake wheel
Energy.Such brake wheel is less relative to existing brake wheel part, and structure is also simpler so that cost can greatly under
Drop.
It should be noted that in the present invention, center when being rotated on axis, that is, part on part, axis is exactly center line,
If part is cylindrical, axis is exactly the connecting line across upper and lower bottom center.In the present invention, wheel cap is same with brake lining
Axis, i.e. brake lining are parallel with wheel cover outer wall, when such wheel cap rotates, if brake lining is in contact shape with brake axle
State, then brake lining can be kept in contact state with brake axle.
The present invention does not limit the concrete structure of shroud shaft and wheel cap, and the shaft of cylindrical rigidity, wheel such as may be used
Setting shaft hole is covered, then wheel cap is fixed in shaft.In certain embodiments, the shroud shaft is hollow circle
Annulated column is provided with the wheel lid attachments for blocking wheel cap on shroud shaft lateral wall.Taking turns lid attachments can be by wheel cap and wheel cap
Axis interconnects, and hollow shroud shaft can reduce the material expenditure of shroud shaft, and can increase the outer diameter of shroud shaft,
So that the contact surface of shroud shaft and wheel cap becomes larger, the bearing capacity of wheel cap and shroud shaft is improved so that shroud shaft or wheel cap are not
It is easily damaged.
When shroud shaft is hollow, wheel cap can be hollow or non-hollow.In a preferred embodiment, such as Fig. 6 institutes
Show, the wheel cap is hollow annulus column, and the wheel cap shaft coupling piece for blocking shroud shaft is provided on the madial wall of wheel cap.This
Sample can allow wheel cap to reduce material expenditure, save cost.Wheel cap and shroud shaft can be allowed to form a hollow appearance again, more
There is design to feel, it is more attractive.
It is exactly a pair of of structure that wheel cap and shroud shaft link together to take turns lid attachments and wheel cap shaft coupling piece, such
Connection structure can be buckle or threaded connection etc..In certain embodiments, the wheel lid attachments include around wheel cap
The protrusion 1121 of axis outer wall.It is covered in this way in wheel and is provided with corresponding toroidal cavity 1122, wheel cap is buckled in wheel cap in this way
When axis, protrusion can be placed in toroidal cavity, to realize the connection of wheel cap and shroud shaft, as long as being in this way buckled in wheel cap
Connection can be realized on shroud shaft so that the production of brake wheel is more convenient.
The present invention does not limit the shape of brake axle and brake lining, contacts as long as can realize and realizes brake axle and brake lining
Between mutual stress connection.Such as can by contact pin hole or slot do squarely, and can also among rear brake pivot
Squarely is done, such brake axle would not be rotated relative to contact pin, and brake axle both sides can make coarse, and brake lining is also made
The rough surface of rough surface, such brake axle can be contacted and be rubbed with brake lining, so that brake axle is mutual with brake lining
Stress.In certain embodiments, as shown in Fig. 3,5 and 6, the brake axle is circular shaft, and the brake lining is corrugated brake
Corrugated each peak line in face, the brake lining is identical as the axis direction of wheel cap as hollow line, and preferred trough can be with
It is the arc that diameter is more than brake shaft diameter.When brake lining is contacted with brake axle in this way, brake axle can be in the wave of brake lining
In shape wave trough, the forced contact of brake axle and brake lining is realized.It is advantageous in that in this way, brake axle can be smooth, in reality
During existing stress, it is not easy to damage because of friction between brake lining and brake axle.
As described in above example, according to the relationship of different stress and brake, brake lining can be arranged not
Same position, in the embodiment of such as Fig. 3 or 6, the brake lining is on the inner wall of wheel cap, and brake lining is in wheel cap
Inner wall on, also avoid using wheel cover outer wall from being used as brake lining, can cause to take turns the case where cover outer wall is easily damaged
And the relationship according to different stress and brake, axis hole can be arranged in different positions, the axis hole
On the outside of brake lining, brake axle is detached with brake lining when the brake axle moves downward in axis hole, may be implemented in this way for upper end
Brake wheel stress is more very much not braked, the function of the less brake of stress.It is not loaded in brake wheel in this way, the chair of brake wheel is such as housed
When sub- nobody, just realizes brake, chair is avoided arbitrarily to move and article is caused to damage.And it can be with when someone
It moves freely, personnel is facilitated to use.
Further, be provided with blocking surface 143 in the middle part of contact pin, the blocking surface for covering pin holes, blocking surface it is straight
Diameter is more than the internal diameter of pin holes.In this way when contact pin enters pin holes, that is, when squeezing spring, blocking surface can will be inserted
Needle is limited a position, is unlikely to contact pin and is excessively entered in pin holes, to avoid the problem that spring breaking down.
It in the present invention, can be with providing holes or slot, as long as the connection of contact pin and brake axle can be realized, such as on contact pin
In the embodiment for not needing contact pin rotation, the form in hole may be used, or using the form slotted in contact pin side, in this way
Contact pin just cannot achieve function rotatable around its axis relative to brake axle, to realize contact pin will not have mercy on brake wheel rotation, stop
Wheel is exactly to be formed that nyctitropic fast pulley will not be changed.In certain embodiments, the slot that brake axle is connected on contact pin is around slotting
The groove 1421 of needle, such contact pin can rotate, and brake wheel just becomes universal wheel.
In the present invention, as long as axis hole can allow brake axle to move up and down, as a preferred embodiment, the axis hole is oval
The length direction in hole, the slotted hole is identical as pin holes direction.Slotted hole has circular arc up and down, can have with brake axle larger
Contact area, be unlikely to brake axle is allowed to support axis hole bad.
Example the above is only the implementation of the present invention is not intended to limit the scope of patent protection of the present invention, every utilization
Equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content is applied directly or indirectly in other correlations
Technical field, be included within the scope of the present invention.
Claims (10)
1. a kind of brake wheel, it is characterised in that：Including middle frame, wheel cap, brake axle, spring and contact pin, wheel cap is provided on middle frame
Axis, wheel cap setting middle frame both sides and with wheel cap axis connection, middle frame is provided with pin holes, pin holes on the position between wheel cap
It is inside provided through the axis hole of pin holes, brake axle is arranged in axis hole and can move up and down in axis hole, and contact pin setting is being inserted
In pin hole, one end of spring is resisted against pin holes bottom, and the other end of spring is resisted against the bottom surface of contact pin, the company of being provided on contact pin
Hole or the slot of brake axle are connect, wheel, which covers, is provided with the cylindrical brake lining coaxial with wheel cap, and the brake lining is used for and brake
Axis contacts.
2. a kind of brake wheel according to claim 1, it is characterised in that：The shroud shaft is hollow annulus column, wheel cap
The wheel lid attachments for blocking wheel cap are provided on axis lateral wall.
3. a kind of brake wheel according to claim 2, it is characterised in that：The wheel cap is hollow annulus column, wheel cap
The wheel cap shaft coupling piece for blocking shroud shaft is provided on madial wall.
4. a kind of brake wheel according to claim 2 or 3, it is characterised in that：The wheel lid attachments include circular
The protrusion of shroud shaft outer wall.
5. a kind of brake wheel according to claim 1, it is characterised in that：The brake axle is circular shaft, and the brake lining is
Corrugated each peak line of corrugated brake lining, the brake lining is identical as the axis direction of wheel cap as hollow line.
6. a kind of brake wheel according to claim 5, it is characterised in that：The brake lining is on the inner wall of wheel cap.
7. a kind of brake wheel according to claim 6, it is characterised in that：The upper end of the axis hole is on the outside of brake lining, institute
Brake axle when brake axle moves downward in axis hole is stated to detach with brake lining.
8. a kind of brake wheel according to claim 1, it is characterised in that：It is provided with blocking surface, the blocking in the middle part of contact pin
Face is for covering pin holes.
9. a kind of brake wheel according to claim 1, it is characterised in that：It is circular that the slot of brake axle is connected on the contact pin
The groove of contact pin.
10. a kind of brake wheel according to claim 1, it is characterised in that：The axis hole is slotted hole, the slotted hole
Length direction is identical as pin holes direction.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611058611.7A CN106739799B (en) | 2016-11-22 | 2016-11-22 | A kind of brake wheel |
| PCT/CN2016/110116 WO2018094790A1 (en) | 2016-11-22 | 2016-12-15 | Brake wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611058611.7A CN106739799B (en) | 2016-11-22 | 2016-11-22 | A kind of brake wheel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106739799A CN106739799A (en) | 2017-05-31 |
| CN106739799B true CN106739799B (en) | 2018-09-14 |
Family
ID=58911543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611058611.7A Active CN106739799B (en) | 2016-11-22 | 2016-11-22 | A kind of brake wheel |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106739799B (en) |
| WO (1) | WO2018094790A1 (en) |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2516468A1 (en) * | 1975-04-15 | 1976-10-28 | Haefele Kg | Self braking furniture castor - with telescopic mounting shaft with projection pivoted brake pads |
| DE2516516A1 (en) * | 1975-04-15 | 1976-10-28 | Haefele Kg | Self braking furniture castor - with telescopic mounting shaft and integral brake pads operated when load is released from furniture |
| JP3190919B2 (en) * | 1998-04-02 | 2001-07-23 | 株式会社ナンシン | Twin wheel caster with lock mechanism |
| ITBO20040352A1 (en) * | 2004-06-01 | 2004-09-01 | Emilsider Meccanica | SELF-ADJUSTABLE WHEEL FOR FURNITURE AND SIMILAR |
| DE202005003494U1 (en) * | 2005-03-04 | 2005-05-19 | Göbel jun., Fritz | Castor, e.g. for chairs, is mounted on vertical shaft with diagonal guide slot in which locking pin is mounted which moves to end of horizontal slot and engages with teeth inside castor to lock it when load is applied to it |
| DE102007039208A1 (en) * | 2006-11-07 | 2008-05-08 | Tente Gmbh & Co. Kg | Double roller with two wheels and roller with one impeller |
| CN201283751Y (en) * | 2008-07-08 | 2009-08-05 | 杨登强 | Improved caster structure of chair |
| KR101106313B1 (en) * | 2010-03-09 | 2012-01-18 | 이상호 | Apparatus for Locking Caster of Chair |
| CN204801417U (en) * | 2015-07-14 | 2015-11-25 | 中山市北斗万得福电子科技有限公司 | Universal wheel |
| CN205149396U (en) * | 2015-11-27 | 2016-04-13 | 福州华鹰重工机械有限公司 | Automatic runner of brake |
-
2016
- 2016-11-22 CN CN201611058611.7A patent/CN106739799B/en active Active
- 2016-12-15 WO PCT/CN2016/110116 patent/WO2018094790A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018094790A1 (en) | 2018-05-31 |
| CN106739799A (en) | 2017-05-31 |
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