CN103266820A - Free stopping mechanism - Google Patents
Free stopping mechanism Download PDFInfo
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- CN103266820A CN103266820A CN2013102024472A CN201310202447A CN103266820A CN 103266820 A CN103266820 A CN 103266820A CN 2013102024472 A CN2013102024472 A CN 2013102024472A CN 201310202447 A CN201310202447 A CN 201310202447A CN 103266820 A CN103266820 A CN 103266820A
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- rotating shaft
- friction plate
- blade
- flange
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Abstract
The invention provides a free stopping mechanism which comprises a mechanism base and a mechanism turning leaf, wherein the mechanism base and the mechanism turning leaf are connected on one side in a penetrating mode through a revolving shaft. A flange is arranged on the revolving shaft. A first friction piece, a second friction piece and a dish cushion piece are arranged among the mechanism base, the mechanism turning leaf and the flange at intervals. The mechanism base and the mechanism turning leaf are pressed through the flange. An opening-assisting spring is wound on the periphery of the revolving shaft and connected with the mechanism base at one end and connected with the mechanism turning leaf at the other end. The diameters of the friction pieces and the outer diameter of the opening-assisting spring can be controlled within 24mm and even can reach 12mm. Pressure on the friction pieces depends on pressure of riveting equipment or screwing torque of a nut so as to facilitate adjustment. Key parts are reduced. Coaxiality and rigidity are improved to prevent the revolving shaft from axially displacing. Attenuation of the friction pieces after a high temperature and low temperature fatigue alternating test is relieved and the friction pieces can undergo thirty thousand times of fatigue tests.
Description
Technical field
The present invention relates to a kind of mechanical mechanism, relate more specifically to a kind of with stop mechanism.
Background technology
In the automotive trim field, the part vehicle has the console handrail arrangement of turn-up, and the effect that handrail opens differs.Opening whole process such as some handrail all needs the user to catch with hand, in case let go, falls to closing rapidly, is similar to the preceding bonnet of automobile; Some handrail is opposite, after pressing the unlatching switch, is opened to maximum opening angle rapidly, and closing whole process then needs the user to press with subordinate, in case let go, handrail will be returned to maximum opening angle again, be similar to the automobile trunk lid; Some handrail has been preset several opening angles, and the user can be opened to handrail these specific angles as required and hover, and handrail can bear a certain size pressure and can not close on default opening angle, is similar to automobile hand brake; Some handrail can both hover at any opening angle, can not open or close automatically, just can close under certain pressure condition being subjected to, and is similar to the car door of automobile.
In the handrail that opening angle can both hover arbitrarily, nearly all used the mechanism that has frictional property, but form and operating principle differ.What is called planar friction formula mechanism, the contact surface that refers to mechanism's blade-rotating and friction piece is a plane.With regard to present used planar friction formula mechanism, more or less all have some limitation, and these limitation have caused the structure of these mechanisms to be not suitable for even can't be used for some environmental working condition.
Patent US78311054B2(contrast patent A) disclose a kind of mechanism that can both hover at any opening angle, its structure as shown in Figure 1.Basic principle is: adopt holddown spring 80 that mechanism's blade-rotating 40 and mechanism base 20 are forced together, rubbing action is played by friction plate 60 in the centre, produces moment of friction, thereby balance handrail gravitational moment can be hovered handrail at any opening angle.But the defective of this mechanism is: 1) size is bigger, and the rotating shaft diameter is assumed to be 6mm, and the friction plate diameter need reach more than the 24mm, owing to holddown spring 80 is arranged and help out spring 85 two-layer springs, helps out the external diameter of spring 85 to estimate also more than 24mm; 2) in order to guarantee axially stable thrust, the axial pressing force of this mechanism and wear-compensating come from holddown spring 80 fully, adjust axial pressing force and must change spring parameter, and for the part of criticizing the product stage, the normal deviate of accessory sizes such as spring all will cause friction plate place thrust inconsistent, thereby have influence on the difference of the final operating physical force of handrail; 3) worn in the rotating shaft and helped out spring 85, because spring force is huge, may break resin cover plate 70 up and down off with the fingers and thumb causes thrust to lose efficacy, but do not help out spring 85 if do not wear, then the requirement of friction plate diameter more than 24mm, keeps with stopping otherwise the moment of friction that too small friction plate provides is not enough to support a heavily about handrail of 1 kilogram at least; 3) flange face of axle sleeve 71 also produces frictional force as the part that compresses, so axle sleeve 71 also is one of vital part that needs special controlling dimension precision, increases the difficulty to precision control.
Patent CN200620043999.9(contrast patent B) disclose a kind of friction mechanism, its structure as shown in Figure 2.Basic principle is: adopt nut and axle that mechanism's blade-rotating 3,4 and mechanism base 5,6 are forced together, the centre pad friction plate play rubbing action, can produce moment of friction, thereby balance handrail gravitational moment makes handrail with stopping.But there be the defective identical with the disclosed prior art of patent US7832054B2 in this mechanism: 1) with 1 kilogram of general handrail weight, length is example for 400 millimeters, if this patent is used in the general handrail and reaches the function of hovering, then the friction plate diameter generally will be more than 24mm, limit by structure space, keep with stopping otherwise the moment of friction that too small friction plate provides will be not enough to support a heavily about handrail of 1 kilogram; 2) this syndeton all in the handrail both sides, leave a blank by the centre, and rigidity can be slightly poor, and face left and right side out-of-alignment risk; 3) even the original state handrail can also can't continue to keep with stopping behind 30000 alternation fatigue experiments with stopping.
Summary of the invention
The purpose of this invention is to provide a kind of with stop mechanism; thereby the thrust at friction plate place depends on that fully spring parameter causes adjusting the frictional force difficulty in the solution prior art; the friction plate diameter is excessive; the more controlling dimension precision difficulty that causes of vital part; axiality is lower, and can't be by the defective of 30000 fatigue tests.
In order to solve the problems of the technologies described above, the present invention adopts following scheme:
The invention provides a kind of with stop mechanism; comprise: run through mechanism base and mechanism's blade-rotating of connection at least in a side by rotating shaft; described rotating shaft is provided with flange; be provided with first friction plate, second friction plate and dish-shaped pad between described mechanism base, mechanism's blade-rotating and the flange; winding helps out spring on the peripheral part of described rotating shaft; the described end of spring that helps out connects described mechanism base, and the other end connects the blade-rotating of described mechanism.
The peripheral part of described rotating shaft is arranged with axle sleeve, and the described spring that helps out is set around on the described axle sleeve.
Be provided with dish-shaped pad between described mechanism base and the described flange.
According to of the present invention a kind of with stop mechanism; described rotating shaft forms rivet; described rotating shaft is divided into homalocephalus section and round end section by flange along its length with it; the homalocephalus section of described rotating shaft is passed described dish-shaped pad successively; mechanism base, first friction plate, mechanism's blade-rotating and second friction plate; described dish-shaped pad is resisted against described flange, the described round end section that helps out spring to be set around described rotating shaft.
Have on the described mechanism base with described rotating shaft and have the flat hole that equates arc radius, have with described rotating shaft in the blade-rotating of described mechanism and have the circular hole that equates arc radius.
It is a kind of with stop mechanism that the present invention also provides; one end of described rotating shaft is provided with flange; described second friction plate, mechanism's blade-rotating, first friction plate are passed in described rotating shaft successively; mechanism base; dish pad and nut, and help out spring in the peripheral part winding, end at the middle part braced structures on the described mechanism base; described flange is resisted against described second friction plate, and described nut is by screw thread and the described rotating shaft threaded engagement on the peripheral part surface of described rotating shaft.
All have with described rotating shaft in described mechanism base and the blade-rotating of described mechanism and have the circular hole that equates arc radius.
According to of the present invention above-mentioned with stop mechanism, the position of described mechanism base and the blade-rotating of described mechanism exchanges mutually.
Preferably, above-mentionedly comprise symmetrically arranged two described rotating shafts with stop mechanism according to of the present invention, run through in both sides respectively and connect described mechanism base and mechanism's blade-rotating.
The diameter of described friction plate is smaller or equal to 24mm.
The diameter of described friction plate is 12mm.
Provided by the present inventionly be with the beneficial effect of stop mechanism with respect to prior art: 1) reduced friction plate and helped out the size of spring, wherein, the friction plate diameter can be controlled in 24mm, even reaches 12mm, helps out the external diameter of spring can be reduced to 12mm equally; 2) be convenient to the frictional force adjustment of friction plate, friction plate place among the present invention is subjected to thrust to depend on the pressure of riveting equipment or the screw-down torque of nut, and force value stabilization is if need to adjust the frictional force that friction plate produces, only can realize by change equipment pressure or nut torque, be convenient to adjust; 3) reduce vital part, play the friction plate that has only of pressuring action among the present invention, and need not special controlling dimension precision; 4) axiality is improved, and by set up the middle part braced structures in mechanism base, makes the axiality of this mechanism's integral body and rigidity all be improved, and prevents rotating shaft generation axial dipole field; 5) slowed down the decay of friction plate after high fatigue at low temperatures alternation experiment, even if adopt diameter be 24mm with interior friction plate, but can pass through 30000 fatigue tests.
Provided by the inventionly be specially adapted to the console handrail of automotive trim with stop mechanism, also can be applicable to the product type of fields such as digital household appliances such as turn-ups such as electric cooker, portable computer simultaneously.
Description of drawings
Fig. 1 is a kind of structural scheme of mechanism of the prior art;
Fig. 2 is another kind of structural scheme of mechanism of the prior art;
Fig. 3 is the assembling schematic diagram with stop mechanism according to a preferred embodiment of the present invention;
Fig. 4 finishes schematic diagram for the assembling of structure shown in Fig. 3;
Fig. 5 is the partial cutaway schematic of structure shown in Fig. 4;
Fig. 6 is the assembling drawing with stop mechanism according to another preferred embodiment of the present invention;
Fig. 7 finishes schematic diagram for the assembling of structure shown in Fig. 6;
Fig. 8 is the partial cutaway schematic of structure shown in Fig. 7.
The specific embodiment
Below in conjunction with accompanying drawing, provide preferred embodiment of the present invention, and be described in detail, enable to understand better the function with stop mechanism of the present invention, characteristics.
Shown in Fig. 3-5, for according to a preferred embodiment of the present invention with stop mechanism.This mechanism comprises mechanism base 1 and the mechanism's blade-rotating 2 that runs through connection by two rotating shafts 31 respectively at left and right side, about be complete symmetrical structure, wherein, rotating shaft 31 is divided into two sections, one section is the homalocephalus section of diameter 6mm, another section is the round end section of diameter 6mm, separated by the flange 311 of diameter 12mm in the middle of homalocephalus section and the round end section.Open flat hole on the mechanism base 1, open circular hole in mechanism's blade-rotating 2, arc diameter is 6mm.All have flat hole on first friction plate 41, second friction plate 42, match with rotating shaft 31 homalocephalus sections.During assembling, the homalocephalus section of rotating shaft 31 is passed dish-shaped pad 71, mechanism base 1, first friction plate 41, mechanism's blade-rotating 2, second friction plate 42 from inside to outside successively, then the round end section of rotating shaft 31 is inserted a fastening devices, one section stocky conquassation that riveting machine exposes the homalocephalus section with the pressure set is to second friction plate 42, flange 311 in the rotating shaft 31 this moment plays the effect of stop bit, thereby the part between the flange 311 of second friction plate 42 and rotating shaft 31 is compressed with certain pressure, rivet stocky.The round end section peripheral part of rotating shaft 31 then is with axle sleeve 91, around helping out spring 81, wherein, helps out spring 81 to have two terminations on the axle sleeve 91, and one is caught on mechanism's blade-rotating 2, and the other end is against on the mechanism base 1.The effect of plastic sleeve 91 is to avoid helping out spring 81 and rotating shaft 31 to produce the scraping abnormal sound.
Though said mechanism has been done symmetrical structure in the left and right sides; but if only do the function that said mechanism reality also can reach anticipation in a side; be a rotating shaft only is set; only the side in mechanism's blade-rotating and mechanism base is connected; be that one-sided structure stress ride comfort is not so good as bilateral; symmetry with stop mechanism better effects if in actual use, longer service life, therefore one-sided and asymmetric said mechanism is equally within protection scope of the present invention.
Preferably, but in order to increase the compensation rate of adjustable in pressure scope and first friction plate 41 and the wearing and tearing of second friction plate 42 in the future, dish-shaped pad 71 in the preferred embodiment is increased to 2, namely should be arranged in order two between mechanism base 1 and flange 311 by dish pad 71.
Mechanism's blade-rotating 2 is positioned at the outside in above-described embodiment, and mechanism base 1 is positioned at the inboard relatively, and on the contrary, if mechanism's blade-rotating 2 is positioned at the inboard, and mechanism base 1 is positioned at the outside relatively, is suitable for too.
Preferably, the diameter of first friction plate 41 and second friction plate 42 and butterfly pad 71 is respectively 12mm.
Shown in Fig. 6-8, for according to another preferred embodiment of the present invention with stop mechanism.This mechanism comprises mechanism base 1 and the mechanism's blade-rotating 2 that runs through connection by two rotating shafts 31 respectively at left and right side, about be complete symmetrical structure.Wherein, all have the circular hole of diameter 6mm in this mechanism base 1 and the mechanism's blade-rotating 2, the main diameter of rotating shaft 31 also is 6mm, and a termination of described rotating shaft 31 has the flange 311 of diameter 12mm, and described rotating shaft surface has screw thread.During assembling, help out spring 81 to be enclosed within advance on the plastic sleeve 91, rotating shaft 31 and flange 311 relative end ecto-entads pass second friction plate 42, mechanism's blade-rotating 2, first friction plate 41, mechanism base 1, dish-shaped pad 71, nut 51, plastic sleeve 91 successively, arrive mechanism base middle part braced structures 11 at last, nut 51 and flange 311 compress the part between them with certain pressure, namely reach the purpose of regulating thrust by the moment of torsion that changes fastening nut 51.The effect that helps out spring 81 is the part gravity of balance handrail, and the effect of plastic sleeve 91 is to avoid spring 81 and rotating shaft 31 to produce the scraping abnormal sound.This mechanism base middle part braced structures 11 has improved the axiality of the left and right axle of this mechanism, makes that simultaneously integral rigidity is obviously strengthened.
Though said mechanism has been done symmetrical structure in the left and right sides; but if only do the function that said mechanism reality also can reach anticipation in a side; be a rotating shaft only is set; only the side in mechanism's blade-rotating and mechanism base is connected; be that one-sided structure stress ride comfort is not so good as bilateral; symmetry with stop mechanism better effects if in actual use, longer service life, therefore one-sided and asymmetric said mechanism is equally within protection scope of the present invention.
Preferably, reach first friction plate 41 in the future in order to increase the adjustable in pressure scope, but the compensation rate of second friction plate, 42 wearing and tearing, the dish-shaped pad 71 in the preferred embodiment rises to 2, namely should be arranged in order two between mechanism base 1 and nut 51 by dish pad 71.
Mechanism's blade-rotating 2 is positioned at the outside in above-described embodiment, and mechanism base 1 is positioned at the inboard relatively, if mechanism's blade-rotating 2 is positioned at the inboard, and mechanism base 1 is positioned at the outside relatively, is suitable for too.
The invention has the advantages that: 1) size reduces, and the friction plate diameter among the present invention can be controlled in 24mm, even reaches 12mm, helps out the external diameter of spring can accomplish 12mm equally; 2) be convenient to the frictional force adjustment of friction plate, friction plate place among the present invention is subjected to thrust to depend on the pressure of riveting equipment or the screw-down torque of nut, and force value stabilization is if need to adjust the frictional force that friction plate produces, only can realize by change equipment pressure or nut torque, be convenient to adjust; 3) reduce vital part, play the friction plate that has only of pressuring action among the present invention, and need not special controlling dimension precision; 4) axiality is improved, and by set up the middle part braced structures in mechanism base, makes the axiality of this mechanism's integral body and rigidity all be improved, and prevents rotating shaft generation axial dipole field; 5) slowed down the decay of friction plate after high fatigue at low temperatures alternation experiment, even if adopt diameter be 24mm with interior friction plate, but can pass through 30000 fatigue tests.
Above-described, be preferred embodiment of the present invention only, be not in order to limiting scope of the present invention, the above embodiment of the present invention can also make a variety of changes.Be that simple, the equivalence that every claims according to the present patent application and description are done changes and modification, all fall into the claim protection domain of patent of the present invention.The present invention not detailed description be the routine techniques content.
Claims (11)
1. one kind with stop mechanism; comprise: run through mechanism base (1) and mechanism's blade-rotating (2) of connection at least in a side by rotating shaft (31); it is characterized in that; described rotating shaft (31) is provided with flange (311); described mechanism base (1); be provided with first friction plate (41) between mechanism's blade-rotating (2) and the flange (311); second friction plate (42) and dish-shaped pad (71); winding helps out spring (81) on the peripheral part of described rotating shaft (31); the described end of spring (81) that helps out connects described mechanism base (1), and the other end connects described mechanism blade-rotating (2).
2. according to claim 1 a kind of with stop mechanism, it is characterized in that the peripheral part of described rotating shaft (31) is arranged with axle sleeve (91), the described spring (81) that helps out is set around on the described axle sleeve (91).
3. according to claim 1 a kind of with stop mechanism, it is characterized in that, be provided with dish-shaped pad (71) between described mechanism base (1) and the described flange (311).
4. according to claim 1 a kind of with stop mechanism; it is characterized in that; described rotating shaft (31) forms rivet; described rotating shaft (31) is divided into homalocephalus section and round end section by flange (311) along its length with it; the homalocephalus section of described rotating shaft (31) is passed described dish-shaped pad (71) successively; mechanism base (1); first friction plate (41); mechanism's blade-rotating (2) and second friction plate (42); described dish-shaped pad (71) is resisted against described flange (311), the described round end section that helps out spring (81) to be set around described rotating shaft (31).
5. according to claim 4 a kind of with stop mechanism; it is characterized in that; have on the described mechanism base (1) with described rotating shaft (31) and have the flat hole that equates arc radius, have in the described mechanism blade-rotating (2) with described rotating shaft (31) and have the circular hole that equates arc radius.
6. according to claim 1 a kind of with stop mechanism; it is characterized in that; one end of described rotating shaft (31) is provided with flange (311); described second friction plate (42) is passed in described rotating shaft (31) successively; mechanism's blade-rotating (2); first friction plate (41); mechanism base (1); dish pad (71) and nut (51); and help out spring (81) in the peripheral part winding; end at the middle part braced structures (11) on the described mechanism base (1), described flange (311) is resisted against described second friction plate (42), and described nut (51) is by screw thread and described rotating shaft (31) threaded engagement on the peripheral part surface of described rotating shaft (31).
7. according to claim 6 a kind of with stop mechanism, it is characterized in that, all have with described rotating shaft (31) in described mechanism base (1) and the described mechanism blade-rotating (2) and have the circular hole that equates arc radius.
8. according to claim 4 or 6 described a kind of with stop mechanism, it is characterized in that the position of described mechanism base (1) and described mechanism blade-rotating (2) exchanges mutually.
9. according to claim 1 a kind of with stop mechanism, it is characterized in that, describedly comprise symmetrically arranged two described rotating shafts (31) with stop mechanism, run through in both sides respectively and connect described mechanism base (1) and mechanism's blade-rotating (2).
10. according to claim 1 a kind of with stop mechanism, it is characterized in that the diameter of described friction plate is smaller or equal to 24mm.
11. according to claim 10 a kind of with stop mechanism, it is characterized in that the diameter of described friction plate is 12mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102024472A CN103266820A (en) | 2013-05-27 | 2013-05-27 | Free stopping mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102024472A CN103266820A (en) | 2013-05-27 | 2013-05-27 | Free stopping mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103266820A true CN103266820A (en) | 2013-08-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013102024472A Pending CN103266820A (en) | 2013-05-27 | 2013-05-27 | Free stopping mechanism |
Country Status (1)
| Country | Link |
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| CN (1) | CN103266820A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103448892A (en) * | 2013-09-03 | 2013-12-18 | 中国船舶重工集团公司第七一〇研究所 | Adjustable flexible anti-vibration depth setting mechanism |
| WO2019070293A1 (en) * | 2017-10-06 | 2019-04-11 | Hewlett-Packard Development Company, L.P. | Hinge assemblies |
| CN110499979A (en) * | 2018-05-16 | 2019-11-26 | 无锡小天鹅电器有限公司 | Door-hinge component and washing machine |
| CN113503101A (en) * | 2021-08-17 | 2021-10-15 | 苏州富强金属制品有限公司 | Automobile console armrest box hinge with hovering function |
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| CN1450295A (en) * | 2002-02-09 | 2003-10-22 | 金昌根 | Folding type hinge apparatus |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103448892A (en) * | 2013-09-03 | 2013-12-18 | 中国船舶重工集团公司第七一〇研究所 | Adjustable flexible anti-vibration depth setting mechanism |
| CN103448892B (en) * | 2013-09-03 | 2016-01-20 | 中国船舶重工集团公司第七一〇研究所 | A kind of adjustable flexible antivibration depth setting mechanism |
| WO2019070293A1 (en) * | 2017-10-06 | 2019-04-11 | Hewlett-Packard Development Company, L.P. | Hinge assemblies |
| US11490532B2 (en) | 2017-10-06 | 2022-11-01 | Hewlett-Packard Development Company, L.P. | Hinge assemblies |
| CN110499979A (en) * | 2018-05-16 | 2019-11-26 | 无锡小天鹅电器有限公司 | Door-hinge component and washing machine |
| CN113503101A (en) * | 2021-08-17 | 2021-10-15 | 苏州富强金属制品有限公司 | Automobile console armrest box hinge with hovering function |
| CN113503101B (en) * | 2021-08-17 | 2022-06-24 | 苏州富强金属制品有限公司 | Automobile console armrest box hinge with hovering function |
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| CB02 | Change of applicant information |
Address after: 200235 Liuzhou Road, Shanghai, No. 399, No. Applicant after: Yanfeng Automotive Trim Systems Co., Ltd. Address before: 200235 Liuzhou Road, Shanghai, No. 399, No. Applicant before: Yanfeng Weishitong Automobile Ornament System Co., Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: YANFENG WEISHITONG AUTOMOBILE ORNAMENT SYSTEM CO., LTD. TO: YANFENG AUTOMOTIVE TRIM SYSTEMS CO., LTD. |
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Application publication date: 20130828 |