CN204586347U - A kind of two-wheel sheet self-actuating brake wheel for furniture - Google Patents
A kind of two-wheel sheet self-actuating brake wheel for furniture Download PDFInfo
- Publication number
- CN204586347U CN204586347U CN201520051210.3U CN201520051210U CN204586347U CN 204586347 U CN204586347 U CN 204586347U CN 201520051210 U CN201520051210 U CN 201520051210U CN 204586347 U CN204586347 U CN 204586347U
- Authority
- CN
- China
- Prior art keywords
- wheel
- transverse axis
- wheel sheet
- middle frame
- sheet
- 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.)
- Expired - Fee Related
Links
Landscapes
- Braking Arrangements (AREA)
Abstract
The utility model provides a kind of two-wheel sheet self-actuating brake wheel for furniture, and it comprises middle frame, wheel sheet, pressing plate, transverse axis, vertical pivot, snap ring and Compress Spring; Middle erection has spring groove, pressing plate groove, transverse axis to move keyhole, pressing plate stop bit, wheel sheet rotation slot, otch annulus button, brake circular arc boss, vertical pivot set collar; Wheel sheet is provided with foreign steamer sheet, rotating shaft, transverse axis hole, annulus button, tiltedly cambered surface; Pressing plate is provided with transverse axis knock hole, shock resistance platform; Vertical pivot is provided with axial plane otch.Be applicable to the designing requirement higher to safety, comparatively economic manufacturing cost can be obtained simultaneously.
Description
Technical field
The utility model relates to a kind of wheel, particularly relates to wheel for furniture.
Background technology
In general, wheel for furniture is applied to the furniture such as swivel chair, cupboard, magazine, the wheel sheet on wheel and earth surface, play support, rotate and (or) function of braking.When furniture is subject to thrust or pressure, wheel sheet relative to ground produce relative motion and (or) rotate, some wheel then adds automatic brake functions when designing, certainly, the life-span that wheel must meet design requirement, avoid in design life, lose some or all of function, time serious, occur safety problem.
But the centrifugal wheel of some furniture two-wheel sheet on market, in general has following defect hidden danger:
For self-actuating brake wheel for furniture, the pardon of brake structure size is poor.Brake function normally relies on the outstanding thin slice on the inner arc face of the wheel sheet outer leafs of plastics and plastics wheel carrier to produce wipe contact and realizes brake function, naturally, if the change of wheel sheet diameter, brake thin slice so on wheel carrier also needs to do corresponding change could realize brake, parts Standardization platform operations can not be realized, namely, productive costs is relatively high and production management and control difficulty is high, otherwise easily causes unnecessary disabler problem.
No matter be self-actuating brake or the wheel for furniture not having brake function, the fixed form cost of wheel sheet is higher.Wheel for furniture on market is that the groove on the rotating metallic axle of logical setting pinion and the boss in plastic wheel sheet rotary axis groove are meshed to realize greatly, this is very high to the requirement of production precision, and require very high to wheel sheet plastic strength, otherwise easily come off in routine use afterwards, cause customer's use safety hidden danger.And, owing to being engagement, smooth and easy in order to make wheel sheet rotate, require in most situation to impose lubricating grease at engagement position, reduce and engage the friction force that brings, accordingly production difficulty and the relative height of cost.
Wheel, in the process used, except vertical direction is subject to external force, often also can bear the tangential force brought when furniture moves.If in the wheel sheet of the plastics of wheel and plastics the fastening effect of frame occur designing or manufacture deviation time, coming off may appear in wheel sheet; And the external force of vertical direction, also can in use procedure in the future damage engaging structure in various degree, the particularly metal rotating shaft of fifth wheel sheet and middle frame, there is high-frequency percussion in the slot of centering rack, slot is out of shape, thus forms larger tangential force, make wheel sheet be more prone to come off, in customer's use procedure, bring potential safety hazard.And some have automatic brake functions wheel, to the support arc surface that the support of metal transverse axis mainly relies on two thin-walleds in left and right to be formed, impact is more very.
Utility model content
In order to solve problem in prior art, the utility model provides a kind of two-wheel sheet self-actuating brake wheel for furniture, and it comprises middle frame, wheel sheet, pressing plate, transverse axis, vertical pivot, snap ring and Compress Spring;
Middle erection has spring groove, pressing plate groove, transverse axis to move keyhole, pressing plate stop bit, wheel sheet rotation slot, otch annulus button, brake circular arc boss, vertical pivot set collar;
Wheel sheet is provided with foreign steamer sheet, rotating shaft, transverse axis hole, annulus button, tiltedly cambered surface;
Pressing plate is provided with transverse axis knock hole, shock resistance platform;
Vertical pivot is provided with axial plane otch;
Connection location relation above between each parts is as follows:
The axial plane otch of vertical pivot engages with vertical pivot set collar, and gap enough between the two, under furniture is subject to the effect of external force, realizes the transmission of thrust and the adjustment in wheel turns direction;
By being built in the Compress Spring of middle frame spring groove, when chair zero load, due to Compress Spring precompressed compression when assembling, its strength vertically downward produced, requirement is greater than chair deadweight, put on the pressing plate in pressing plate groove, then the transverse axis on transverse axis knock hole is delivered to, strength transmission is to transverse axis, the transverse axis hole of wheel sheet is connected with transverse axis, thus driving concentric wheel sheet to move the downward displacement of keyhole by the transverse axis of middle frame, the rotating shaft of wheel sheet and the oblique cambered surface of its annulus button produce pressure with the brake circular arc boss of middle frame and engage, and engaging friction power is braked.
As further improvement of the utility model, described middle frame is frame in plastics, and wheel sheet is plastic wheel sheet, pressing plate is plastic presser plate, transverse axis is metal transverse axis, vertical pivot is metal vertical pivot, snap ring is metal clasp.
As further improvement of the utility model, vertical pivot inserts the preparative treatment wheel bore of furniture, by the expansion effect of snap ring, is firmly fixed on furniture.
As further improvement of the utility model, vertical pivot set collar and middle frame are structure as a whole.
As further improvement of the utility model, realize when the annulus in the rotating shaft of wheel sheet is buckled in part injection moulding, three designs for integral type and manufactures.
As further improvement of the utility model, it is integral type injection structure that the otch annulus on middle frame is buckled with middle frame.
As further improvement of the utility model, the rotating shaft of two wheel sheets imports to assembled in advance respectively in the transverse axis in middle frame transverse axis hole, and the oblique cambered surface that the annulus of taking turns sheet is buckled is buckled inclined-plane along the otch annulus on middle frame and slided in the wheel sheet rotation slot of middle frame; The wheel annulus button of sheet and the otch annulus of middle frame buckle mutual left-hand thread, and wheel sheet is stabilized in the wheel sheet rotation slot of middle frame.
The beneficial effects of the utility model are:
Self-actuating brake structure.
Be applicable to the designing requirement higher to safety, can obtain comparatively economic manufacturing cost, customer can benefit from it simultaneously.Design is suitable for one of scene: when chair is on the ground of injustice, or under being subject to slight external force, chair is shift position possibly.And generally, customer, back to chair, if at this time do not notice the skew of chair, probably sits sky, there is the danger of falling down.The wheel with automatic brake functions then can ensure that swivel chair is under scene above-mentioned, ensures that displacement does not appear in chair, thus improves safety in utilization.Certainly, when customer sits on above chair, the downward strength of generation can push brake structure open automatically, thus release brake function, chair is freely rotated.
The fixed form of plastic wheel sheet
Be applicable to the wheel for furniture of all two-wheel sheets, no matter whether whether there is brake function.The person or the property safety of customer are concerned in the location of wheel sheet, wheel sheet comes off and may cause customer's tumble injury or the impaired risk of property, the application passes through wheel sheet and the bilateral button bit of middle frame of unitary design and manufacture, well controls the risk hidden danger that coming off appears in wheel sheet.
The structure of endurance guarantee in service life
Be applicable to the wheel for furniture of all two-wheel sheets, no matter whether whether there is brake function.Except improving the life-span of wheel, the application is mostly is extend the wheel life-span and ensure to there will not be hidden danger of quality within the life-span, particularly safety risks.Wheel can frequently be impacted in the process used, the first factor that the impact resistance therefore strengthening wheel was considered as the life-span.
Accompanying drawing explanation
Fig. 1 is the utility model wheel detonation configuration schematic diagram;
Fig. 2 is the utility model wheel cutaway view;
Fig. 3 is frame cutaway view in the utility model;
Fig. 4 is frame perspective view in the utility model;
Fig. 5 is another angle sectional structure schematic diagram of frame in the utility model;
Fig. 6 is the utility model wheel chip architecture schematic diagram;
Fig. 7 is the utility model wheel sheet cutaway view;
Fig. 8 is the utility model pressing plate enlarged drawing;
Fig. 9 is the utility model wheel birds-eye view;
Figure 10 is another angle cutaway view of the utility model wheel.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described further.
Major part in accompanying drawing and the principal character comprised as follows:
● frame 1 in plastics, and its key character:
?spring groove 8
?pressing plate groove 9
?transverse axis moves keyhole 10
?pressing plate stop bit 11
?wheel sheet rotation slot 12
?otch annulus button 13
?brake circular arc boss 14
?vertical pivot set collar 15
● wheel sheet 2, and its key character:
?foreign steamer sheet 16
?rotating shaft 17
?transverse axis hole 18
?annulus button 19
?oblique cambered surface 20
● plastic presser plate 3, and its key character:
?transverse axis knock hole 21
?shock resistance platform 22
● metal transverse axis 4
● metal vertical pivot 5, and its key character:
?axial plane otch 23
● metal clasp 6
● Compress Spring 7
With reference to accompanying drawing, here to have the wheel of brake function, the metal vertical pivot 5 of wheel inserts the preparative treatment wheel bore of furniture, by the expansion effect of metal clasp 6, is firmly fixed on furniture.The vertical pivot set collar 15 that the axial plane otch 23 of metal vertical pivot 5 is integrally manufactured with frame in plastics engages, and enough gaps under furniture is subject to the effect of external force, can realize the transmission of thrust and the function in wheel turns adjustment direction.Below applied for patent specific implementation:
The realization of automatic brake functions
For swivel chair wheel, by being built in the Compress Spring 7 of frame 1 spring groove 8 in plastics, when chair zero load, due to Compress Spring 7 precompressed compression when assembling, and its strength vertically downward produced, General Requirements is greater than chair deadweight, at this time can put on the plastic presser plate 3 in pressing plate groove 9, then the metal transverse axis 4 on transverse axis knock hole 21 is delivered to, such strength transmission is to metal transverse axis 4, and the transverse axis hole 18 of the wheel sheet 2 of plastics is connected with metal transverse axis 4, thus drive the wheel sheet 2 of concentric plastics to move keyhole 10 to bottom offset by the transverse axis of frame in plastics 1, now, the rotating shaft 17 of the wheel sheet of plastics and the oblique cambered surface 20 of its annulus button produce pressure with the brake circular arc boss 14 of frame in plastics and engage, engaging friction power forms brake function.
On the contrary, the release of brake function realizes when customer is sitting in above chair.When customer is sitting on chair, by the wheel sheet 2 of Chair structure part going down to plastics, because the foreign steamer sheet 16 of the wheel sheet 2 of plastics touches with ground, now can produce an antagonistic force, antagonistic force can be delivered to Compress Spring 7, when this power is greater than the spring force of Compress Spring 7 generation, the brake function part of wheel and chair produce relative motion, the rotating shaft 17 of the wheel sheet of plastics is separated with the brake circular arc boss 14 of frame in plastics, thus release brake function, make swivel chair can free motion or rotation.
The fixed form of the wheel sheet of plastics
Annulus button 19 in wheel sheet 2 rotating shaft 17 of plastics realizes when part injection moulding, forms unitary design and manufacture, and accordingly, it is also that integral type injection moulding realizes that the otch annulus in plastics on frame 1 buckles 13.When assembling, the rotating shaft 17 of the wheel sheet 2 of two plastics imports to the metal transverse axis 4 in assembled in advance frame 1 transverse axis hole 18 in plastics respectively, then on the wheel sheet 2 of plastics, impose enough large reverse axle pressure simultaneously, make the oblique cambered surface 20 on the annulus button 19 of the wheel sheet 2 of plastics buckle 13 inclined-planes along the otch annulus on frame in plastics 1 and slide in the wheel sheet rotation slot 12 of frame 1 in plastics.The face that annulus button 19 and the otch annulus of frame 1 in plastics of the wheel sheet 2 of plastics buckle 13 mutual left-hand threads is enough large because of what manufacture and design, the wheel sheet 2 of such plastics is in customer's use procedure, or time unloaded, the face of mutual left-hand thread all provides powerful button power, thus ensures that the wheel sheet 2 of plastics is stabilized in the wheel sheet rotation slot 12 of frame 1 in wheel plastics.
The structure of endurance guarantee in service life
In order to improve the impact resistance of wheel, reduce wheel component to the requirement of plastic strength, except the fixed form of the wheel sheet of plastics above-mentioned, the arc surface moving keyhole 10 in order to reduce frame 1 transverse axis in metal transverse axis 4 pairs of plastics impacts, and takes full advantage of the intensity of thicker spring plastic presser plate 3 here.When customer is sitting in above swivel chair, the antagonistic force of the wheel sheet 2 of ground and plastics is by being delivered on metal transverse axis 4 with wheel sheet rotating shaft 17, metal transverse axis 4 drives the transverse axis of plastic presser plate 3 in the plastic on frame 1 to move keyhole 10 and moves, final metal transverse axis 4 stops at the upper end face that transverse axis moves keyhole 10, simultaneously, the shock resistance platform 22 of plastic presser plate 3 also can stop on the pressing plate stop bit 11 on frame 1 pressing plate groove 9 in the plastic, and both bearing surfaces provide impact resistance and the static pressure support function of high strength.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, some simple deduction or replace can also be made, all should be considered as belonging to protection domain of the present utility model.
Claims (7)
1. a two-wheel sheet self-actuating brake wheel for furniture, is characterized in that: it comprises middle frame (1), wheel sheet (2), pressing plate (3), transverse axis (4), vertical pivot (5), snap ring (6) and Compress Spring (7);
Middle frame (1) is provided with spring groove (8), pressing plate groove (9), transverse axis moves keyhole (10), pressing plate stop bit (11), wheel sheet rotation slot (12), otch annulus buckles (13), brake circular arc boss (14), vertical pivot set collar (15);
Wheel sheet (2) is provided with foreign steamer sheet (16), rotating shaft (17), transverse axis hole (18), annulus button (19), tiltedly cambered surface (20);
Pressing plate (3) is provided with transverse axis knock hole (21), shock resistance platform (22);
Vertical pivot (5) is provided with axial plane otch (23);
Connection location relation above between each parts is as follows:
The axial plane otch (23) of vertical pivot (5) engages with vertical pivot set collar (15), and gap enough between the two, under furniture is subject to the effect of external force, realizes the transmission of thrust and the adjustment in wheel turns direction;
By being built in the Compress Spring (7) of middle frame (1) spring groove (8), when chair zero load, due to Compress Spring (7) precompressed compression when assembling, its strength vertically downward produced, requirement is greater than chair deadweight, put on the pressing plate (3) in pressing plate groove (9), then the transverse axis (4) on transverse axis knock hole (21) is delivered to, strength transmission is to transverse axis (4), the transverse axis hole (18) of wheel sheet (2) is connected with transverse axis (4), thus drive concentric wheel sheet (2) to move keyhole (10) to bottom offset by the transverse axis of middle frame (1), the rotating shaft (17) of wheel sheet and the oblique cambered surface of its annulus button (20) produce pressure with the brake circular arc boss (14) of middle frame and engage, engaging friction power is braked.
2. a kind of two-wheel sheet self-actuating brake wheel for furniture according to claim 1, it is characterized in that: described middle frame (1) is frame in plastics, wheel sheet (2) is plastic wheel sheet, pressing plate (3) is plastic presser plate, transverse axis (4) is metal transverse axis, vertical pivot (5) is metal vertical pivot, snap ring (6) is metal clasp.
3. a kind of two-wheel sheet self-actuating brake wheel for furniture according to claim 1, is characterized in that: vertical pivot (5) inserts the preparative treatment wheel bore of furniture, by the expansion effect of snap ring (6), is firmly fixed on furniture.
4. a kind of two-wheel sheet self-actuating brake wheel for furniture according to claim 1, is characterized in that: vertical pivot set collar (15) and middle frame are structure as a whole.
5. a kind of two-wheel sheet self-actuating brake wheel for furniture according to claim 1, is characterized in that: the annulus button (19) in the rotating shaft (17) of wheel sheet (2) realizes when part injection moulding, and three designs for integral type and manufactures.
6. a kind of two-wheel sheet self-actuating brake wheel for furniture according to claim 1, is characterized in that: it is integral type injection structure that the otch annulus on middle frame (1) buckles (13) with middle frame.
7. a kind of two-wheel sheet self-actuating brake wheel for furniture according to claim 1, it is characterized in that: the rotating shaft (17) of two wheels sheet (2) imports to assembled in advance respectively in the transverse axis (4) in middle frame (1) transverse axis hole (18), the oblique cambered surface (20) on the annulus button (19) of wheel sheet (2) is buckled (13) inclined-plane along the otch annulus on middle frame (1) and is slided in the wheel sheet rotation slot (12) of middle frame (1); The annulus button (19) of wheel sheet (2) and the otch annulus of middle frame (1) buckle (13) left-hand thread mutually, and wheel sheet (2) is stabilized in the wheel sheet rotation slot (12) of middle frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520051210.3U CN204586347U (en) | 2015-01-23 | 2015-01-23 | A kind of two-wheel sheet self-actuating brake wheel for furniture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520051210.3U CN204586347U (en) | 2015-01-23 | 2015-01-23 | A kind of two-wheel sheet self-actuating brake wheel for furniture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204586347U true CN204586347U (en) | 2015-08-26 |
Family
ID=53922538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520051210.3U Expired - Fee Related CN204586347U (en) | 2015-01-23 | 2015-01-23 | A kind of two-wheel sheet self-actuating brake wheel for furniture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204586347U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106240233A (en) * | 2016-08-25 | 2016-12-21 | 安吉金泰紧固件有限公司 | A kind of roll wheel assembly with auto-lock function |
| CN112339808A (en) * | 2020-11-18 | 2021-02-09 | 泉州市同通电子设备有限公司 | Modern commodity circulation shallow of intelligence |
-
2015
- 2015-01-23 CN CN201520051210.3U patent/CN204586347U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106240233A (en) * | 2016-08-25 | 2016-12-21 | 安吉金泰紧固件有限公司 | A kind of roll wheel assembly with auto-lock function |
| CN112339808A (en) * | 2020-11-18 | 2021-02-09 | 泉州市同通电子设备有限公司 | Modern commodity circulation shallow of intelligence |
| CN112339808B (en) * | 2020-11-18 | 2021-12-03 | 抚州佳斌现代物流园有限公司 | Modern commodity circulation shallow of intelligence |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204586347U (en) | A kind of two-wheel sheet self-actuating brake wheel for furniture | |
| CN201314325Y (en) | Double-shaft rotating shaft | |
| CN201521249U (en) | Polycrystalline diamond compact matrix | |
| CN204213223U (en) | A kind of wedge brake from adjust the play | |
| CN206468121U (en) | One kind seeks code mechanical coded lock | |
| CN104631914B (en) | Lock cylinder with slipping mechanism | |
| CN207960205U (en) | A kind of electronics lock handle electromechanics clutch using compression spring mode | |
| CN202468679U (en) | Groove type self-balance eccentric shaft | |
| CN206303542U (en) | A kind of rotary locking mechanism | |
| CN205935964U (en) | Lock core mechanism | |
| CN210948086U (en) | Three-level management lock with press rebounding function | |
| CN206000825U (en) | A kind of activity tenon connection shaft device | |
| US20130319057A1 (en) | Novel anti-theft lockset | |
| CN201581715U (en) | Double safe compaction lock | |
| CN208452839U (en) | A kind of height-regulating device of automotive seat | |
| CN106088821A (en) | A kind of anti-theft key and assembly method thereof | |
| CN102278024B (en) | Furniture hinge with damper | |
| CN202596389U (en) | Axial adjustable door hinge | |
| CN219733048U (en) | Lock set | |
| CN203789476U (en) | Improved drawer side plate structure | |
| CN209385482U (en) | A kind of porous type oil spout mandrel | |
| CN205778002U (en) | World door lock based on linkage from top to bottom dual fail-safe locking principle | |
| CN2707915Y (en) | Cipher changeable atom lock end and its cylinder | |
| CN209491292U (en) | A kind of split type rotation riveter structure | |
| CN209381680U (en) | A kind of mountain-climbing back wheels of vehicle gluing flower-drum |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150826 Termination date: 20160123 |
|
| EXPY | Termination of patent right or utility model |