CN105015270B - Overall plastic middle control castor - Google Patents
Overall plastic middle control castor Download PDFInfo
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- CN105015270B CN105015270B CN201510500765.6A CN201510500765A CN105015270B CN 105015270 B CN105015270 B CN 105015270B CN 201510500765 A CN201510500765 A CN 201510500765A CN 105015270 B CN105015270 B CN 105015270B
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- spring
- middle control
- locking piece
- overall plastic
- plastic middle
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Abstract
The invention discloses a kind of overall plastic middle control castor, the overall plastic middle control castor is made up of regulating part, pressing piece, fore-set, pressure containing part, sleeve, the first spring, second spring, lasso, locking piece, the 3rd spring, brake lever, wheel, lever article, bearing, brake article and keeper.The superior effect of the overall plastic middle control castor of the present invention is：Overall plastic middle control castor increase is provided with the second spring coordinated with the centre bore of locking piece, during needing to keep overall plastic middle control castor to advance on fixed-direction, when the projection of fore-set bottom does not couple with the breach on locking piece, second spring can be compressed downwards, so as to increase the gap between locking piece and keyed end, realize that the breach of locking piece couples with the projection of keyed end, avoid the abrasion of projection.Switching of the overall plastic middle control castor of the present invention between guiding, the universal orientation Three models brake of un-brake, it is convenient and swift, simple in construction.
Description
Technical field
The invention belongs to castor technical field, and in particular to a kind of overall plastic middle control castor.
Background technology
Castor is usually to be suitably mounted on hospital bed, because the sick bed function needs in hospital are very complete, is had
When need to promote patient to be checked to different section office by sick bed, sometimes and need patient being sent in the room of inpatient department
Recuperate, therefore castor can either must be checked, and can is enough turned, it is necessary to can be moved linearly along inside corridor.But city
Middle control wheel on field, is substantially an additional plastic decorative of metallic support, and brake function is by actuated by cams brake block
Directly bear against on wheel face, over time, the surface of wheel can produce impression, and braking quality is very poor, and manufacturing cost is high, and technique is multiple
It is miscellaneous.
During existing castor locking, because the projection and locking piece of fore-set bottom are when coordinating, easily occur beating tooth, cause
Raised serious wear, shorten the service life of castor.
The content of the invention
The present invention provides a kind of overall plastic middle control castor, when being locked with solving existing castor, due to fore-set bottom projection with
Locking piece easily occurs beating tooth, causes raised serious wear, shorten the technical problem of the service life of castor when coordinating.
In order to solve the above technical problems, the present invention adopts the technical scheme that：
Overall plastic middle control castor, the overall plastic middle control castor is by regulating part, pressing piece, fore-set, pressure containing part, sleeve, the first bullet
Spring, second spring, lasso, locking piece, the 3rd spring, brake lever, wheel, lever article, bearing, brake article and keeper are formed,
The tip contact of the profile of the regulating part and the pressing piece, first spring housing is in the outside of the pressing piece and fore-set
On profile, the upper end of first spring abuts the pressing piece, and the lower end of first spring is connected on pressure containing part, described
Sleeve is enclosed on the outside of the pressure containing part, and the lasso is set on the pressure containing part, described in the lower end abutting of the pressure containing part
The bottom of fore-set, the bottom of the fore-set are provided with keyed end, and the keyed end is relative with the locking piece, on the locking piece
Multiple breach are provided with, the lower surface of the keyed end is provided with multiple projections coordinated with the breach, the keeper position
In being provided with multiple locating notches on the top of the keyed end, the keeper, the upper surface of the keyed end is provided with more
The individual positioning convex coordinated with the locating notch, is provided with centre bore in the middle part of the locking piece, the second spring it is upper
Portion and the centre bore of the locking piece coordinate.
Preferably, the regulating part includes curved profile, the first recess, the second recess and hexagonal hole.
Preferably, the second spring is volute spring, and the upper diameter of the second spring is less than lower diameter.
Preferably, the 3rd spring is set in brake lever, and the top of the 3rd spring abuts the keyed end, institute
The bottom for stating the 3rd spring is connected in the ladder platform of the brake lever.
After adopting the above technical scheme, the overall plastic middle control castor increase of the present invention is provided with and coordinated with the centre bore of locking piece
Second spring, during needing to keep overall plastic middle control castor to be advanced on fixed-direction, once the projection of fore-set bottom
When not coupled with the breach on locking piece, second spring can be compressed downwards, so as to increase between locking piece and keyed end
Gap, realize that the breach of locking piece and the projection of keyed end couples, avoid raised abrasion.The overall plastic middle control castor of the present invention exists
It is oriented to, the switching that un-brake is universal between brake orientation Three models, it is convenient and swift, simple in construction.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are the present invention
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
These accompanying drawings obtain other 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 sectional 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.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The all other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
As shown in Figures 1 to 4, it is overall plastic it is middle control castor 100 by 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 article 13, bearing 14,
Brake article 15 and keeper 16 are formed.Wherein regulating part 1 includes curved profile 11a, the first recess 11b, the second recess 11c and six
Side shape hole 11d, the profile of regulating part 1 and the tip contact of pressing piece 2, the first spring 6 are enclosed on the outside of pressing piece 2 and fore-set 3
On profile, 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 on pressure containing part 4
Outside, lasso 8 are set on pressure containing part 4, so as to protect pressure containing part 4 in order to avoid being hit by exterior object.The lower end of pressure containing part 4
The bottom of fore-set 3 is abutted, the bottom of fore-set 3 is provided with keyed end 31, and keyed end 31 is relative with locking piece 9.On locking piece 9
Multiple breach 91 are provided with, the lower surface of keyed end 31 is provided with multiple projections 311 coordinated with breach 91.Keeper 16 is located at
The top of keyed end 31, is provided with multiple locating notches 161 on keeper 16, the upper surface of keyed end 31 be provided with it is multiple with it is fixed
The positioning convex 312 that position breach 161 coordinates.
Second spring 7 is volute spring, and the upper diameter of second spring 7 is less than lower diameter, the middle part of locking piece 9
Centre bore 92 is provided with, the top of second spring 7 coordinates with the centre bore 92 of locking piece 9.3rd spring 10 is set in brake lever
On 11, the top of the 3rd spring 10 abuts keyed end 31, and the bottom of the 3rd spring 10 is connected in the ladder platform of brake lever 11.
The end of brake lever 11 is fixed with lever bar 13, and wheel 12 is supported by bearing 14 and set, so as to which wheel 12 can
Rotated around bearing 14.Multiple necks 121 are provided with the in-profile of wheel 12, brake article 15 is arranged on the upper of neck 121
Side, and the end of lever bar 13 is connected with the back of brake article 15.Little spring is provided with the inner surface of neck 121, it is small
One end of spring abuts with brake article 15, and the other end abuts the inner surface of neck 121.When not downward active force is applied to brake
When on car bar 11, little spring recovers elastic deformation and jacks up brake article 15 and separated with neck 121.Therefore only brake lever 11 exists
In the case of down force, the press-side of lever bar 13 can just contact the back of brake article 15, so as to by brake article 15
Press and with the lock fit of neck 121, realize Quick brake.
Inserted by the adjusting rod of a hexagonal double-ended bolt in the hexagonal hole 11d inside regulating part 1, rotate adjusting rod rotation
Regulating part 1, thus the curved profile 11a of regulating part 1, the first recess 11b, the second recess 11c be capable of selectivity with pressing piece 2
Ends contact, so as to promote pressing piece 2 to move in the vertical direction, then realize the keyed end 31 of fore-set 3 and locking piece 9,
The separation or cooperation of keeper 16.
When sick bed needs mobile turn to, regulating part 1 is adjusted by its second recess 11c and pressing piece 2 by adjusting rod
Contact, the bottom of fore-set 3 is in the gap positioned at locking piece 9 and keeper 16 between, now the keyed end 31 of fore-set 3 neither with calmly
Position part 16 contacts, also the not upper contact with locking piece 9, can so as to which overall plastic castor 100 can be turned to freely and all driection running
Sick bed movement is facilitated to turn to.
When sick bed needs to travel along indoor verandas straight-line guidance, it is first recessed that regulating part 1 is adjusted by it by adjusting rod
Portion 11b contacts with pressing piece 2, and because the second recess 11c depth is less than the first recess 11b depth, therefore pressing piece 2 is the
Moved upwards under the active force of one spring 6, fore-set 3 is during upward motion, the positioning convex 312 of the upper surface of keyed end 31
Coordinate with the locating notch 161 being arranged on keeper 16 and lock, so as to which wheel 12 locks in a circumferential direction, in now overall plastic
Control castor is merely able to be oriented to slip in the straight direction, ensure that sick bed moves along a straight line during being advanced along indoor verandas,
It can effectively prevent sick bed from colliding unintentionally with wall to avoid patient by secondary injury.
When sick bed needs brake to be fixed on certain, by adjusting rod by regulating part 1 adjust its curved profile 11a with
Pressing piece 2 contacts, and curved profile 11a compels ejector rod 3 and moved downward, and fore-set 3 is arranged on keyed end during moving downward
The projection 311 of 31 lower ends and the breach 91 being arranged on locking piece 9, which coordinate, to be locked, so as to which wheel 12 locks in a circumferential direction,
Fore-set 3 is compeled to push away brake lever 11 and applies downward active force on lever bar 13, and now brake article is pushed down in the end of lever bar 13
15, so as to which brake article 15 is pressed into the neck 121 being arranged on the profile of wheel 12, wheel 12 is locked by brake article 15, sick bed
Brake positioning can be realized.
The overall plastic middle control castor 100 of the present invention increases the second spring 7 for being provided with and coordinating with the centre bore of locking piece 9 92,
Need to keep during overall plastic middle control castor 100 advances on fixed-direction, once the projection 311 of the bottom of fore-set 3 not with
When breach 91 on locking piece 9 couples, second spring 7 can be compressed downwards, so as to increase between locking piece 9 and keyed end 31
Gap, realize that the breach 91 of locking piece 9 couples with the projection 311 of keyed end 31, avoid projection 311 abrasion.It is of the invention complete
Switching of the castor 100 between guiding, the universal orientation Three models brake of un-brake is controlled in modeling, it is convenient and swift, simple in construction.
Finally it should be noted that：Above example only illustrates technical scheme, rather than its limitations；Although reference
The present invention is described in detail previous embodiment, it will be understood by those within the art that：It still can be right
Technical scheme described in foregoing embodiments is modified, or carries out equivalent substitution to which part technical characteristic；And this
A little modifications are replaced, and the essence of appropriate technical solution is departed from the spirit and model of various embodiments of the present invention technical scheme
Enclose.
Claims (3)
1. overall plastic middle control castor, it is characterised in that the overall plastic middle control castor is by regulating part, pressing piece, fore-set, pressure containing part, set
Cylinder, the first spring, second spring, lasso, locking piece, the 3rd spring, brake lever, wheel, lever article, bearing, brake article and fixed
Position part is formed, the tip contact of the profile of the regulating part and the pressing piece, first spring housing in the pressing piece and
On the exterior contour of fore-set, the upper end of first spring abuts the pressing piece, the lower end of first spring be connected to by
On casting die, the sleeve is enclosed on the outside of the pressure containing part, and the lasso is set on the pressure containing part, under the pressure containing part
End abuts the bottom of the fore-set, and the bottom of the fore-set is provided with keyed end, and the keyed end is relative with the locking piece, institute
State and multiple breach are provided with locking piece, the lower surface of the keyed end is provided with multiple projections coordinated with the breach, institute
The top that keeper is located at the keyed end is stated, multiple locating notches, the upper table of the keyed end are provided with the keeper
Face is provided with multiple positioning convex coordinated with the locating notch, is provided with centre bore in the middle part of the locking piece, and described the
The top of two springs and the centre bore of the locking piece coordinate, and the 3rd spring is set in brake lever, the 3rd spring
Top abut the keyed end, the bottom of the 3rd spring is connected in the ladder platform of the brake lever.
2. overall plastic middle control castor according to claim 1, it is characterised in that the regulating part includes curved profile, first
Recess, the second recess and hexagonal hole.
3. overall plastic middle control castor according to claim 2, it is characterised in that the second spring is volute spring, described
The upper diameter of second spring is less than lower diameter.
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 CN105015270A (en) | 2015-11-04 |
| CN105015270B true CN105015270B (en) | 2018-03-13 |
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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)
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| CN (1) | CN105015270B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110696684B (en) * | 2019-11-07 | 2023-02-07 | 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 kind of brake castor |
| 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 (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 kind of brake castor |
| CN204820956U (en) * | 2015-08-14 | 2015-12-02 | 宁波秀禾科技有限公司 | Accuse truckle in plastic |
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| Publication number | Publication date |
|---|---|
| CN105015270A (en) | 2015-11-04 |
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