CN105015270A - Full-plastic center control caster - Google Patents
Full-plastic center control caster Download PDFInfo
- Publication number
- CN105015270A CN105015270A CN201510500765.6A CN201510500765A CN105015270A CN 105015270 A CN105015270 A CN 105015270A CN 201510500765 A CN201510500765 A CN 201510500765A CN 105015270 A CN105015270 A CN 105015270A
- Authority
- CN
- China
- Prior art keywords
- spring
- locking piece
- piece
- full
- middle control
- 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
Landscapes
- Braking Arrangements (AREA)
Abstract
The invention discloses a full-plastic center control caster. The full-plastic center control caster is composed of a regulating piece, a pressing piece, an ejecting column, a pressed piece, a sleeve, a first spring, a second spring, a sleeving ring, a locking piece, a third spring, a brake rod, a wheel, a lever strip, a bearing, a brake strip and a locating piece. The full-plastic center control caster has the advantages that the full-plastic center control caster is additionally provided with the second spring matched with a center hole of the locking piece, in the process that the full-plastic center control caster needs to be kept to advance in the fixed direction, once a protrusion at the bottom of the ejecting column is not coupled with a gap of the locking piece, the second spring can be compressed downwards, therefore, a gap between the locking piece and the locking end can be enlarged, coupling between the gap of the locking piece and the protrusion of the locking end is achieved, and abrasion of the protrusion is avoided. The full-plastic center control caster can be switched among three modes of guiding, universal braking cancelling and braking orientation, and is convenient, fast and simple in structure.
Description
Technical field
The invention belongs to castor technical field, be specifically related to a kind of overall plastic middle control castor.
Background technology
Castor is generally be applicable to be arranged on hospital bed, because the sick bed function in hospital needs very complete, sometimes need to promote patient by sick bed to check to different section office, sometimes recuperate in the room needing again patient to deliver to inpatient department, therefore castor must can either be checked, can turn again, also must along the rectilinear movement of inside, corridor.But the middle control wheel on market, be substantially all an additional plastic decorative of metallic support, brake function is directly pressed on wheel face by actuated by cams brake facing, of long duration, the surface of wheel can produce impression, and braking quality is very poor, manufacturing cost is high, complex process.
During existing castor locking, because the projection bottom fore-set and locking piece are when coordinating, easily occur beating tooth, causing protruding serious wear, shorten the service life of castor.
Summary of the invention
The invention provides a kind of overall plastic middle control castor, during to solve the locking of existing castor, because the projection bottom fore-set and locking piece are when coordinating, easily occur beating tooth, causing protruding serious wear, shorten the technical matters in the service life of castor.
In order to solve above technical matters, the technical scheme that the present invention takes is:
Overall plastic middle control castor, described overall plastic middle control castor is by regulating part, pressing piece, fore-set, pressure containing part, sleeve, first spring, second spring, lasso, locking piece, 3rd spring, brake lever, wheel, lever bar, bearing, brake article and locations are formed, the profile of described regulating part and the tip contact of described pressing piece, described first spring housing is on the exterior contour of described pressing piece and fore-set, the upper end of described first spring abuts described pressing piece, the lower end of described first spring is connected on pressure containing part, described jacket casing is in the outside of described pressure containing part, described lasso is set on described pressure containing part, the lower end of described pressure containing part abuts the bottom of described fore-set, the bottom of described fore-set is provided with keyed end, described keyed end is relative with described locking piece, described locking piece is provided with multiple breach, the lower surface of described keyed end is provided with the projection that multiple and described breach coordinates, described locations is positioned at the top of described keyed end, described locations is provided with multiple locating notch, the upper surface of described keyed end is provided with the positioning convex that multiple and described locating notch coordinates, the middle part of described locking piece is provided with centre hole, the top of described second spring coordinates with the centre hole of described locking piece.
Be preferably, described regulating part comprises curved profile, the first recess, the second recess and hexagonal hole.
Be preferably, described second spring is cone-shaped spring, and the upper diameter of described second spring is less than lower diameter.
Be preferably, described 3rd spring housing is located in brake lever, and the top of described 3rd spring abuts described keyed end, and the bottom of described 3rd spring is connected on the ladder platform of described brake lever.
After employing technique scheme, the increase of the present invention's overall plastic middle control castor is provided with the second spring coordinated with the centre hole of locking piece, needing in the process keeping overall plastic middle control castor to advance on fixed-direction, be not coupled with the breach on locking piece once the projection bottom fore-set, second spring can compress downwards, thus the gap that can increase between locking piece and keyed end, the projection of the breach and keyed end that realize locking piece is coupled, and avoids protruding wearing and tearing.The overall plastic middle control castor of the present invention is the universal and switching of braking between directed Three models in guiding, un-brake, convenient and swift, structure is simple.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the topology view of the overall plastic middle control castor of the present invention;
Fig. 2 is the topology view of the overall plastic middle control castor regulating part of the present invention;
Fig. 3 is the cutaway view of the overall plastic middle control castor of the present invention;
Fig. 4 is the exploded view of the overall plastic middle control castor of the present invention.
Detailed description of the invention
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figures 1 to 4, overall plastic middle control castor 100 is made up of regulating part 1, pressing piece 2, fore-set 3, pressure containing part 4, sleeve 5, first spring 6, second spring 7, lasso 8, locking piece 9, the 3rd spring 10, brake lever 11, wheel 12, lever articles 13, bearing 14, brake article 15 and locations 16.Wherein regulating part 1 comprises curved profile 11a, the first recess 11b, the second recess 11c and hexagonal hole 11d, the profile of regulating part 1 and the tip contact of pressing piece 2, first spring 6 is enclosed within the exterior contour of pressing piece 2 and fore-set 3, and the upper end of the first spring 6 abuts pressing piece 2, and lower end is connected on pressure containing part 4.Sleeve 5 is enclosed within the outside of pressure containing part 4, and lasso 8 is set on pressure containing part 4, thus protection pressure containing part 4 is in order to avoid be subject to the shock of exterior object.The lower end of pressure containing part 4 abuts the bottom of fore-set 3, and the bottom of fore-set 3 is provided with keyed end 31, and keyed end 31 is relative with locking piece 9.Locking piece 9 is provided with multiple breach 91, the lower surface of keyed end 31 is provided with multiple projection 311 coordinated with breach 91.Locations 16 is positioned at the top of keyed end 31, locations 16 is provided with multiple locating notch 161, and the upper surface of keyed end 31 is provided with multiple positioning convex 312 coordinated with locating notch 161.
Second spring 7 is cone-shaped spring, and the upper diameter of the second spring 7 is less than lower diameter, and the middle part of locking piece 9 is provided with centre hole 92, and the top of the second spring 7 coordinates with the centre hole 92 of locking piece 9.3rd spring 10 is set in brake lever 11, and the bottom of top abutting keyed end the 31, three spring 10 of the 3rd spring 10 is connected on the ladder platform of brake lever 11.
End and the lever bar 13 of brake lever 11 are fixed, and wheel 12 is supported by bearing 14 and arranges, thus wheel 12 can rotate around bearing 14.The in-profile of wheel 12 is provided with multiple draw-in groove 121, brake article 15 is arranged on the top of draw-in groove 121, and the end of lever bar 13 is connected with the back of brake article 15.The inside face of draw-in groove 121 is provided with little spring, and one end of little spring abuts with brake article 15, and the other end abuts the inside face of draw-in groove 121.When not having downward application force to be applied in brake lever 11, little spring recovers elastic deformation and brake article 15 jack-up to be separated with draw-in groove 121.Therefore only have brake lever 11 when being subject to downward application force, the press-side of lever bar 13 just can contact the back of brake article 15, thus brake article 15 is pressed and with draw-in groove 121 lock fit, achieve Quick brake.
Insert in the hexagonal hole 11d of regulating part 1 inside by the adjust bar of a hexagonal double-ended bolt, rotary regulating lever rotates regulating part 1, therefore curved profile 11a, the first recess 11b of regulating part 1, the second recess 11c can optionally with the ends contact of pressing piece 2, thus promote pressing piece 2 and move in the vertical direction, the keyed end 31 then realizing fore-set 3 and locking piece 9, being separated or coordinating of locations 16.
When sick bed needs mobile turning to, by adjust bar, regulating part 1 is adjusted to its second recess 11c to contact with pressing piece 2, in the gap between locking piece 9 and locations 16, the bottom of fore-set 3, now the keyed end 31 of fore-set 3 neither contacts with locations 16, also not with the upper contact of locking piece 9, thus overall plastic castor 100 can freely turn to and all driection running, sick bed can be facilitated to move and turn to.
When sick bed needs to travel along indoor verandas straight-line guidance, its first recess 11b is regulated to contact with pressing piece 2 regulating part 1 by adjust bar, the degree of depth due to the second recess 11c is less than the degree of depth of the first recess 11b, therefore pressing piece 2 upward movement under the application force of the first spring 6, fore-set 3 is in the process of upward movement, the positioning convex 312 of keyed end 31 upper surface coordinates with the locating notch 161 be arranged on locations 16 and locks, thus wheel 12 locks in a circumferential direction, now overall plastic middle control castor is merely able to slip of leading in the straight direction, ensure that the process linear movement that sick bed is advanced along indoor verandas, can effectively prevent sick bed from colliding with wall unintentionally avoids patient to be subject to secondary injury.
When sick bed needs brake to be fixed on certain, by adjust bar, regulating part 1 is adjusted to its curved profile 11a to contact with pressing piece 2, curved profile 11a compels ejector rod 3 and moves downward, fore-set 3 is in the process moved downward, the projection 311 being arranged on keyed end 31 lower end coordinates with the breach 91 be arranged on locking piece 9 and locks, thus wheel 12 locks in a circumferential direction, fore-set 3 is compeled to push away brake lever 11 and is applied downward application force on lever bar 13, now the end of lever bar 13 pushes down brake article 15, thus brake article 15 is pressed in the draw-in groove 121 that is arranged on wheel 12 profile, wheel 12 is locked by brake article 15, sick bed can realize brake location.
Overall plastic middle control castor 100 increase of the present invention is provided with the second spring 7 coordinated with the centre hole 92 of locking piece 9, needing in the process keeping overall plastic middle control castor 100 to advance on fixed-direction, be not coupled with the breach 91 on locking piece 9 once the projection 311 bottom fore-set 3, second spring 7 can compress downwards, thus the gap that can increase between locking piece 9 and keyed end 31, the projection 311 of the breach 91 and keyed end 31 that realize locking piece 9 is coupled, and avoids the wearing and tearing of protruding 311.The overall plastic middle control castor 100 of the present invention is the universal and switching of braking between directed Three models in guiding, un-brake, convenient and swift, structure is simple.
Last it is noted that above embodiment only illustrates technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (4)
1. overall plastic middle control castor, is characterized in that, described overall plastic middle control castor is by regulating part, pressing piece, fore-set, pressure containing part, sleeve, first spring, second spring, lasso, locking piece, 3rd spring, brake lever, wheel, lever bar, bearing, brake article and locations are formed, the profile of described regulating part and the tip contact of described pressing piece, described first spring housing is on the exterior contour of described pressing piece and fore-set, the upper end of described first spring abuts described pressing piece, the lower end of described first spring is connected on pressure containing part, described jacket casing is in the outside of described pressure containing part, described lasso is set on described pressure containing part, the lower end of described pressure containing part abuts the bottom of described fore-set, the bottom of described fore-set is provided with keyed end, described keyed end is relative with described locking piece, described locking piece is provided with multiple breach, the lower surface of described keyed end is provided with the projection that multiple and described breach coordinates, described locations is positioned at the top of described keyed end, described locations is provided with multiple locating notch, the upper surface of described keyed end is provided with the positioning convex that multiple and described locating notch coordinates, the middle part of described locking piece is provided with centre hole, the top of described second spring coordinates with the centre hole of described locking piece.
2. overall plastic middle control castor according to claim 1, it is characterized in that, described regulating part comprises curved profile, the first recess, the second recess and hexagonal hole.
3. overall plastic middle control castor according to claim 2, it is characterized in that, described second spring is cone-shaped spring, and the upper diameter of described second spring is less than lower diameter.
4. overall plastic middle control castor according to claim 3, is characterized in that, described 3rd spring housing is located in brake lever, and the top of described 3rd spring abuts described keyed end, and the bottom of described 3rd spring is connected on the ladder platform of described brake lever.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510500765.6A CN105015270B (en) | 2015-08-14 | 2015-08-14 | Overall plastic middle control castor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510500765.6A CN105015270B (en) | 2015-08-14 | 2015-08-14 | Overall plastic middle control castor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105015270A true CN105015270A (en) | 2015-11-04 |
| CN105015270B CN105015270B (en) | 2018-03-13 |
Family
ID=54405720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510500765.6A Active CN105015270B (en) | 2015-08-14 | 2015-08-14 | Overall plastic middle control castor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105015270B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106043393A (en) * | 2016-06-30 | 2016-10-26 | 宁波秀禾科技有限公司 | Trundle with power |
| CN106741106A (en) * | 2016-12-21 | 2017-05-31 | 苏州新区德力精密机械有限公司 | Universal wheel brake gear and the two-wheel synchronous brake system using the brake gear |
| CN107650988A (en) * | 2017-11-08 | 2018-02-02 | 太仓兴锋脚轮有限公司 | A kind of single-wheel brake gear based on lever construction |
| CN108528142A (en) * | 2018-05-03 | 2018-09-14 | 江永文 | Supporting shaft reverse wheel with braking function and box |
| CN110696684A (en) * | 2019-11-07 | 2020-01-17 | 中铁高铁电气装备股份有限公司 | Internal locking type bidirectional braking compensation device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5303450A (en) * | 1991-11-16 | 1994-04-19 | Albert Schulte Sohne Gmbh & Co. | Caster for use on mobile hospital beds and the like |
| CN2416883Y (en) * | 2000-01-26 | 2001-01-31 | 上海汉莲工贸发展有限公司 | Multi-functional patient bed |
| DE102007039208A1 (en) * | 2006-11-07 | 2008-05-08 | Tente Gmbh & Co. Kg | Double roller with two wheels and roller with one impeller |
| CN203920259U (en) * | 2014-03-26 | 2014-11-05 | 宁波秀禾五金机械有限公司 | A kind of overall plastic castor |
| CN204472446U (en) * | 2015-02-11 | 2015-07-15 | 何丽然 | a brake caster |
| CN204820956U (en) * | 2015-08-14 | 2015-12-02 | 宁波秀禾科技有限公司 | Accuse truckle in plastic |
-
2015
- 2015-08-14 CN CN201510500765.6A patent/CN105015270B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5303450A (en) * | 1991-11-16 | 1994-04-19 | Albert Schulte Sohne Gmbh & Co. | Caster for use on mobile hospital beds and the like |
| CN2416883Y (en) * | 2000-01-26 | 2001-01-31 | 上海汉莲工贸发展有限公司 | Multi-functional patient bed |
| DE102007039208A1 (en) * | 2006-11-07 | 2008-05-08 | Tente Gmbh & Co. Kg | Double roller with two wheels and roller with one impeller |
| CN203920259U (en) * | 2014-03-26 | 2014-11-05 | 宁波秀禾五金机械有限公司 | A kind of overall plastic castor |
| CN104589915A (en) * | 2014-03-26 | 2015-05-06 | 宁波秀禾五金机械有限公司 | Full plastic caster |
| CN204472446U (en) * | 2015-02-11 | 2015-07-15 | 何丽然 | a brake caster |
| CN204820956U (en) * | 2015-08-14 | 2015-12-02 | 宁波秀禾科技有限公司 | Accuse truckle in plastic |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106043393A (en) * | 2016-06-30 | 2016-10-26 | 宁波秀禾科技有限公司 | Trundle with power |
| CN106043393B (en) * | 2016-06-30 | 2023-09-29 | 宁波秀禾科技有限公司 | Caster with power |
| CN106741106A (en) * | 2016-12-21 | 2017-05-31 | 苏州新区德力精密机械有限公司 | Universal wheel brake gear and the two-wheel synchronous brake system using the brake gear |
| CN107650988A (en) * | 2017-11-08 | 2018-02-02 | 太仓兴锋脚轮有限公司 | A kind of single-wheel brake gear based on lever construction |
| CN108528142A (en) * | 2018-05-03 | 2018-09-14 | 江永文 | Supporting shaft reverse wheel with braking function and box |
| CN110696684A (en) * | 2019-11-07 | 2020-01-17 | 中铁高铁电气装备股份有限公司 | Internal locking type bidirectional braking compensation device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105015270B (en) | 2018-03-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105015270A (en) | Full-plastic center control caster | |
| CN204845381U (en) | Accuse truckle in plastic | |
| CN104836069A (en) | Power supply interface device of power supply equipment with left and right limiting function | |
| CN104953370A (en) | Power supply equipment interface device capable of achieving electrical connection automatically | |
| CN104916991A (en) | Power supply equipment power supply interface device with slide chutes | |
| CN104868310A (en) | Power supply interface device of power supply equipment driven by single motor | |
| CN104916986A (en) | Power supply equipment interface device with electrical connection driven by screw rod | |
| CN204820956U (en) | Accuse truckle in plastic | |
| CN104868306A (en) | Power supply interface device of power supply equipment easy to slide | |
| WO2017124786A1 (en) | Elevator door hanging wheel | |
| CN104953374A (en) | Power supply unit interface unit positioned by positioning protrusion and lockable | |
| CN203920259U (en) | A kind of overall plastic castor | |
| CN103434425B (en) | Intermediate hand rail mechanism of vehicle seat | |
| CN105071080A (en) | Push-type wall socket | |
| CN105436556B (en) | A kind of electric hand drill | |
| CN206529169U (en) | A kind of Winder and earphone | |
| CN104368667A (en) | Device for forming pipe end face semicircles in one step | |
| CN203839582U (en) | Circular socket | |
| CN204338694U (en) | Novel straightener rectifys mould | |
| CN202591004U (en) | Spray head of electrical spray gun | |
| CN105436565A (en) | Electric hand drill | |
| CN207416438U (en) | A kind of self-locking trundle | |
| CN107780480B (en) | Wall base device Quick assembling-disassembling structure | |
| CN203803998U (en) | Base for machining 520T type bends | |
| CN104916989A (en) | Power supply equipment power supply interface device with rollers |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |