CN106724199A - For the castor of furniture bottom - Google Patents
For the castor of furniture bottom Download PDFInfo
- Publication number
- CN106724199A CN106724199A CN201611185110.5A CN201611185110A CN106724199A CN 106724199 A CN106724199 A CN 106724199A CN 201611185110 A CN201611185110 A CN 201611185110A CN 106724199 A CN106724199 A CN 106724199A
- Authority
- CN
- China
- Prior art keywords
- castor
- roller
- support base
- expansion link
- layer
- 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.)
- Granted
Links
- 235000004443 Ricinus communis Nutrition 0.000 title claims abstract description 32
- 239000000463 material Substances 0.000 claims abstract description 7
- 238000005096 rolling process Methods 0.000 claims description 14
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000005484 gravity Effects 0.000 abstract description 7
- 230000006641 stabilisation Effects 0.000 description 7
- 238000011105 stabilization Methods 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 230000008602 contraction Effects 0.000 description 3
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B91/00—Feet for furniture in general
- A47B91/06—Gliders or the like
Landscapes
- Legs For Furniture In General (AREA)
Abstract
The invention discloses a kind of castor for furniture bottom, it is related to furniture part field, including connecting seat, the support frame below connecting seat is rotatably connected on by the first rotating shaft for vertically setting, the roller on support frame is connected to by the second horizontally disposed axis of rotation, the support base that length is vertically set is provided with support frame, stretching structure is provided with roller, stretching structure includes connecting layer, radially telescopic expansion link between jacket layer and several connection connecting layers and jacket layer, connecting layer is fixedly connected with second rotating shaft, jacket layer is circumferentially with permanent magnet near expansion link side, connecting layer is circumferentially with electromagnet that can be mutually exclusive with the permanent magnet after being powered near expansion link side, jacket layer is made of wear-resisting telescopic TPU materials.By implementing the technical program, to solve when switching support base and roller, the problem that support base could be moved after furniture gravity need to be overcome with larger power.
Description
Technical field
The present invention relates to furniture part field, and in particular to a kind of castor for furniture bottom.
Background technology
For furniture bottom castor include be connected to furniture bottom connecting seat, by vertically set first
Axis of rotation is connected to support frame below connecting seat, is connected to support frame by the second horizontally disposed axis of rotation
On roller.And such castor is the drawbacks of have certain：After furniture moves to a certain specified location, it is impossible to enough positioning, pin
The slip of wheel, furniture stress is easily moved.
The patent of Application No. CN201410395309.5 discloses a kind of castor, including connecting seat, by along vertical side
Be rotatably connected on support frame below the connecting seat to the first rotating shaft for setting, by the second horizontally disposed rotating shaft
The roller on support frame as described above is rotatably connected on, length is provided with described support frame and is vertically set and can be along itself
The screw rod of axial rotation, the support base that can be moved up and down and be mutually threadedly coupled with the screw rod.The castor of the technical scheme, when need
When wanting moving furniture, it is higher than roller bottom that mobile support base is allowed to bottom, then roller is contacted with ground, can freely be rolled,
When furniture is moved to a certain specified location, mobile support base is allowed to bottom and is less than roller bottom or equal with roller bottom, then
Support base is contacted with ground, furniture is stably stood on ground.However, the technical scheme is still present following deficiency：
Switching support base must pull against the gravity of furniture with roller, and the typically furniture gravity with castor is larger, therefore make support
Seat bottom less than roller bottom or it is equal with roller bottom when, could be moved after furniture gravity need to be overcome with larger power
Dynamic support base；At the same time, make support base be also required to artificially move support base higher than roller bottom, complex operation, and strength compared with
Small people cannot move support base, very inconvenient.
The content of the invention
The invention is intended to provide a kind of castor for furniture bottom, when to solve switching support base with roller, need
Being overcome with larger power could move the problem of support base after furniture gravity.
To reach above-mentioned purpose, base case of the invention is as follows：It is for the castor of furniture bottom including connecting seat, logical
Support frame below the connecting seat is rotatably connected on after the first rotating shaft for vertically setting, by horizontally disposed
The second axis of rotation be connected to roller on support frame as described above, be provided with what length was vertically set on support frame as described above
Support base, the castor has holding state and rolling condition, and when it is in holding state, the bottom of the support base is less than rolling
Wheel bottom or equal with roller bottom, when the castor is in rolling condition, the bottom of the bottom higher than roller of the support base,
Be provided with stretching structure in the roller, the stretching structure include connecting layer, jacket layer and several be connected to connecting layer with it is outer
Expansion link between jacket layer, the connecting layer is fixedly connected with second rotating shaft, and the jacket layer is near expansion link side week
To permanent magnet is provided with, the connecting layer is circumferentially with mutually exclusive with the permanent magnet after being powered near the expansion link side
Electromagnet, the jacket layer is made of wear-resisting telescopic TPU materials.
The principle of this base case is：Castor has holding state and rolling condition, when castor is in holding state,
The stretching structure in roller in the second horizontally disposed rotating shaft is contraction state；The inwall of the jacket layer of stretching structure
Permanent magnet is provided with, and the electromagnet mutually exclusive with permanent magnet set on connecting layer is obstructed electricity condition, so that permanent magnet
Do not repel with electromagnet, and radially telescopic expansion link is in contraction state between connecting layer and jacket layer so that roller
Bottom greater than or equal to support base bottom, support base contact ground, furniture is stably stood on ground；The program need not
The artificial gravity for overcoming furniture moves support base, simple to operate；When needing to roll castor, the stretching structure in roller is
Electromagnet after being powered on elongation state, permanent magnet on jacket layer inwall and connecting layer is mutually exclusive, because jacket layer is used
Wear-resisting telescopic TPU materials are made, and tensile property is high, and anti-wear performance is good, and jacket layer is subject to internal repulsive force drawn expanded,
So that bottom of the bottom of roller less than support base, such free scroll wheel, without the gravity movement branch for overcoming furniture larger
Support seat, it is to avoid strength less people cannot moving furniture problem.
Beneficial effect：
1st, by the holding state and rolling condition of the mutually exclusive effect control castor of electromagnet and permanent magnet, without artificial shifting
Dynamic support base control roller and the height of support base, cannot move support base, it is impossible to change so as to avoid the less people of strength
The holding state of castor and the problem of rolling condition, simple structure are convenient and practical；
2nd, jacket layer is made of wear-resisting telescopic TPU materials, and TPU is TPUE rubber, and TPU plastic cement is former
Material anti-wear performance is excellent, more than five times wear-resisting compared with natural rubber, and tensile strength is up to 70MPa, and elongation at break may be up to
1000%；So that anti-wear performance is good when roller is rolled, roller can be realized freely stretching, and service life is high.
3rd, expansion link is connected between jacket layer and connecting layer, the flexible of pair roller jacket layer has guide effect so that
When holding state, expansion link does not extend roller, and jacket layer is circumferentially distributed along connecting layer；Roller rolling condition when
Wait, expansion link elongation, jacket layer is along expansion link axial expansion so that roller contacts stabilization with ground.
Further, support frame as described above be provided with vertically can along the screw rod of itself axial rotation, the screw rod with
Support base is threadedly coupled.Beneficial effect：It is easy to disassemble support base, the screw rod that vertical direction is set has support base leads
To effect, it is threaded on support base, connection stabilization.
Further, the quantity of the expansion link is 6, and is circumferentially uniformly distributed in the cavity that connecting layer is formed with jacket layer
It is interior.Beneficial effect：Make jacket layer uniform contraction and elongation on the outside of connecting layer, realize that the rolling of roller stabilization is received with uniform
Put.
Further, the expansion link includes several telescopic joints, and expansion link is socketed to form vertically by telescopic joint, and each is stretched
Back-moving spring is provided between the two neighboring telescopic joint of contracting bar.Beneficial effect：Connection is simple, can realize free flexible and multiple
Position folding and unfolding.
Further, the chute of vertical direction setting is offered on the support base, support frame as described above is provided with and the cunning
The projection that groove matches, the projection is connected with slide.Beneficial effect：Limitation support base is circumferentially rotated, and strengthens support base
Stability.
Further, the chute is dovetail groove.Beneficial effect：Dovetail groove makes projection multidirectional stressed, clamps stabilization, limitation effect
It is really good.
Brief description of the drawings
Fig. 1 is structural representation of the present invention for the castor embodiment of furniture bottom；
Fig. 2 is castor present invention looks up structural representation of the present invention for the castor embodiment of furniture bottom；
Fig. 3 is roller schematic cross-sectional view of the present invention for the castor embodiment of furniture bottom.
Specific embodiment
Below by specific embodiment, the present invention is further detailed explanation：
Reference in Figure of description includes：Connecting seat 1, support frame 2, roller 3, support base 4, through hole 5, screw rod 6, chute
7th, projection 8, first rotating shaft 9, the second rotating shaft 10, jacket layer 11, connecting layer 12, expansion link 13.
Embodiment is substantially as shown in Figure 1：For the castor of furniture bottom, including connecting seat 1, by vertically setting
The first rotating shaft 9 put is rotatably connected on the support frame 2 of the lower section of connecting seat 1, by 10 turns horizontally disposed of the second rotating shaft
The dynamic roller 3 being connected on support frame 2, connecting seat 1 circumferentially offers 4 through holes 5 near marginal position, for connecting seat 1 with
Furniture bottom is bolted, and is connected by ball bearing between connecting seat 1 and support frame 2.On the vertical direction of support frame 2
It is provided with along the screw rod 6 of itself axial rotation, correspondence screw rod 6 is provided with screwed hole on support base 4, and support base 4 can by screw rod 6
Dismounting is engaged on support frame 2, and screw rod 6 has guide effect, and threaded connection, connection stabilization to support base 4.
As shown in Fig. 2 offering chute 7 on the vertical direction of support base 4, chute 7 is dovetail groove, is provided with support frame 2
The projection 8 being slidably connected with chute 7, limitation support base 4 is circumferentially rotated, and strengthens the stability of support base 4.Have on support frame 2
One accommodating chamber, roller 3 and support base 4 are arranged in accommodating chamber, and the space of accommodating chamber is enough to be kept away when expanding roller 3
Exempt to be contacted with support frame 2, interval trough is provided between roller 3 and accommodating chamber, when the space of interval trough is enough to expand roller 3
Avoid being contacted with support base 4.
As shown in figure 3, roller 3 is coaxially connected with the second rotating shaft 10, stretching structure is provided with roller 3, stretching structure includes
Along the radially-arranged expansion link of the second rotating shaft 10 between connecting layer 12, jacket layer 11 and 6 connection connecting layers 12 and jacket layer 11
13, expansion link 13 is evenly distributed between connecting layer 12 and jacket layer 11, makes jacket layer 11 in the uniform receipts in the outside of connecting layer 12
Contracting and elongation, realize the rolling and uniform folding and unfolding of the stabilization of roller 3.Connecting layer 12 is connected in the second rotating shaft 10 by being bonded, and is joined
Connect stabilization, convenient dismounting；Expansion link 13 includes 5 telescopic joints, two neighboring telescopic joint socket, and two neighboring telescopic joint it
Between be provided with back-moving spring, jacket layer 11 expansion uphold after, by back-moving spring jacket layer 11 can be caused along expansion link
Shrink in 13 directions；Jacket layer 11 is circumferentially evenly distributed with permanent magnet near the side of expansion link 13, and connecting layer 12 is near expansion link 13
Side is circumferentially evenly distributed with the electromagnet mutually exclusive with permanent magnet, and the electromagnet after energization is enough to the repulsive force of permanent magnet
Make the bottom of roller 3 less than the bottom of support base 4.Jacket layer 11 is made of wear-resisting telescopic TPU materials, so that roller
Anti-wear performance is good when 3 rolling, and roller 3 can be realized freely stretching.
In the present embodiment, castor has holding state and rolling condition, when moving furniture is needed, makes in roller 3
It is powered with the electromagnet that permanent magnet repels, the electromagnet after energization makes telescopic jacket layer 11 swollen with the repulsive force of permanent magnet
Swollen, the bottom of roller 3 is less than the bottom of support base 4, then roller 3 is contacted with ground, can be with free roller wheel 3；It is moved to when by furniture
When a certain specified location, the energization with the mutually exclusive electromagnet of permanent magnet is disconnected, so that jacket layer 11 is not come from
In internal repulsive force, the good jacket layer 11 of retractility is further shunk in the presence of elastic-restoring force so that the bottom of roller 3
Higher than the bottom of support base 4 or equal with the bottom of support base 4, then support base 4 is contacted with ground so that furniture stably stands on
On ground.
Above-described is only embodiments of the invention, and the general knowledge such as known concrete structure and characteristic is not made herein in scheme
Excessive description.It should be pointed out that for a person skilled in the art, on the premise of structure of the present invention is not departed from, can be with
Some deformations and improvement are made, these should also be considered as protection scope of the present invention, these are implemented all without the influence present invention
Effect and practical applicability.This application claims protection domain should be defined by the content of its claim, in specification
Specific embodiment etc. records the content that can be used for explaining claim.
Claims (6)
1. it is used for the castor of furniture bottom, including connecting seat, institute is rotatably connected on by the first rotating shaft for vertically setting
The rolling stated the support frame below connecting seat, be connected to by the second horizontally disposed axis of rotation on support frame as described above
Wheel, is provided with the support base that length is vertically set on support frame as described above, it is characterised in that the castor has support shape
State and rolling condition, when it is in holding state, the bottom of the support base is less than roller bottom or equal with roller bottom, when
In rolling condition, the bottom of the bottom higher than roller of the support base is provided with stretching structure, institute to the castor in the roller
Stating stretching structure includes connecting layer, jacket layer and several expansion links being connected between connecting layer and jacket layer, the linking
Layer is fixedly connected with second rotating shaft, and the jacket layer is circumferentially with permanent magnet near expansion link side, and the connecting layer is leaned on
The nearly expansion link side is circumferentially with electromagnet mutually exclusive with the permanent magnet after being powered, and the jacket layer is using wear-resisting
Telescopic TPU materials are made.
2. the castor for furniture bottom according to claim 1, it is characterised in that：Support frame as described above is vertically gone up
Being provided with can be threadedly coupled along the screw rod of itself axial rotation, the screw rod with support base.
3. the castor for furniture bottom according to claim 2, it is characterised in that：The quantity of the expansion link is 6, and
Circumferentially it is uniformly distributed in the cavity that connecting layer is formed with jacket layer.
4. the castor for furniture bottom according to claim 3, it is characterised in that：The expansion link is stretched including several
Casing coupling, expansion link is socketed to form vertically by telescopic joint, and back-moving spring is provided between the two neighboring telescopic joint of each expansion link.
5. the castor for furniture bottom according to claim 4, it is characterised in that：Offered on the support base vertically
The chute of setting, support frame as described above is provided with the projection matched with the chute, and the projection is connected with slide.
6. the castor for furniture bottom according to claim 5, it is characterised in that：The chute is dovetail groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611185110.5A CN106724199B (en) | 2016-12-20 | 2016-12-20 | Castor for furniture bottom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611185110.5A CN106724199B (en) | 2016-12-20 | 2016-12-20 | Castor for furniture bottom |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106724199A true CN106724199A (en) | 2017-05-31 |
| CN106724199B CN106724199B (en) | 2018-09-21 |
Family
ID=58894161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611185110.5A Active CN106724199B (en) | 2016-12-20 | 2016-12-20 | Castor for furniture bottom |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106724199B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109044165A (en) * | 2018-08-31 | 2018-12-21 | 吴晓红 | A kind of towel rack with dressing glass anti-lost based on magnetic force |
| CN109567442A (en) * | 2019-01-04 | 2019-04-05 | 华北理工大学 | A kind of multi-functional library's tables and chairs device |
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| CN205128144U (en) * | 2015-10-23 | 2016-04-06 | 焦作市奥润生物工程有限公司 | Mobilizable colloid mill |
| CN105600134A (en) * | 2016-02-29 | 2016-05-25 | 浙江双友物流器械股份有限公司 | Tray used for steel coil transportation |
| CN205672611U (en) * | 2016-05-24 | 2016-11-09 | 衢州锐思机械科技有限公司 | Crude oil drain sump |
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2016
- 2016-12-20 CN CN201611185110.5A patent/CN106724199B/en active Active
Patent Citations (13)
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| CN1362356A (en) * | 2000-12-28 | 2002-08-07 | 丰田钢铁中心株式会社 | Apparatus for carrying articles of container, carrying in and carrying out method and tray thereof |
| CN201331423Y (en) * | 2008-11-20 | 2009-10-21 | 苏州苏试试验仪器有限公司 | Electric vibration table moveable support device |
| CN202011385U (en) * | 2010-12-19 | 2011-10-19 | 刘洪明 | Wheel-type flat tyre booster |
| CN102275463A (en) * | 2011-06-22 | 2011-12-14 | 姜茂林 | Variable-size wheel |
| CN202465210U (en) * | 2011-12-12 | 2012-10-03 | 大连益利亚工程机械有限公司 | Synchronous retractable device for misaligned axles of self-propelled aerial work platform |
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| CN203268030U (en) * | 2013-04-22 | 2013-11-06 | 宁波星箭航天机械有限公司 | Air cushion supporting conveying platform |
| US8956217B1 (en) * | 2013-08-16 | 2015-02-17 | Igt | Mechanical wheels for game machines |
| CN204161776U (en) * | 2014-09-27 | 2015-02-18 | 昆山市信达包装材料有限公司 | A kind of packing chest |
| CN204998252U (en) * | 2015-08-05 | 2016-01-27 | 深圳市阿尔法特网络环境有限公司 | Telescopic rack caster mechanism |
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| CN105600134A (en) * | 2016-02-29 | 2016-05-25 | 浙江双友物流器械股份有限公司 | Tray used for steel coil transportation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109044165A (en) * | 2018-08-31 | 2018-12-21 | 吴晓红 | A kind of towel rack with dressing glass anti-lost based on magnetic force |
| CN109567442A (en) * | 2019-01-04 | 2019-04-05 | 华北理工大学 | A kind of multi-functional library's tables and chairs device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106724199B (en) | 2018-09-21 |
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