CN2791337Y - Pin-shaft device for lid slowly turning - Google Patents
Pin-shaft device for lid slowly turning Download PDFInfo
- Publication number
- CN2791337Y CN2791337Y CN 200520057078 CN200520057078U CN2791337Y CN 2791337 Y CN2791337 Y CN 2791337Y CN 200520057078 CN200520057078 CN 200520057078 CN 200520057078 U CN200520057078 U CN 200520057078U CN 2791337 Y CN2791337 Y CN 2791337Y
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- CN
- China
- Prior art keywords
- bearing pin
- slide block
- axle sleeve
- pin shaft
- positioning
- 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
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Abstract
The utility model relates to a pin shaft device for a cover plate slowly turning, which comprises a pin shaft and a shaft sleeve which are arranged at the turning shaft line of a cover plate, wherein the pin shaft is connected with a slider internally connected with the inner side wall of the shaft sleeve. The connection position of the pin shaft and the slider is respectively provided with screw threads, a stop block mechanism which allows the pin shaft to rotate and prevents the pin shaft from moving right and left is arranged between the pin shaft and the shaft sleeve, a positioning guide mechanism is arranged between the slider and the shaft sleeve, the slider is provided with a throttling hole, and a hollow chamber circled by the shaft sleeve, a back cover and the slider is filled with damping oil. A throttling valve rod is arranged between the slider and the shaft sleeve, and one end of the throttling valve rod is arranged on the back cover. The slider is provided with the throttling hole, and one end of the cross section of the throttling valve rod is conical. The positioning guide mechanism comprises a positioning rod arranged on the back cover of the shaft sleeve, the slider is provided with a positioning hole, and the slider can be sleeved on the positioning rod in a sliding way. The utility model has wide scope of application, and can be used on the base plate and the cover plate of the toilet bowl, the piano keyboard cover and the device provided with the cover plate, such as a folding type bookcase, etc.
Description
Technical field
The utility model relates to a kind of pin shaft device of cover plate upset, and particularly a kind of cover plate is the pin shaft device of upset slowly.
Background technique
China ZL01263225.2 discloses a kind of cover plate Slow-falling device, is made up of axle sleeve and axle core, and the two is airtight cooperation and forms Seal cage, is full of damping oil in the Seal cage; Form one in the axle sleeve with overhead gage; Form scraper plate on the axle core and stretch in the Seal cage, this scraper plate and its centre side are and closely cooperate, and existence one gap is seen shown in the accompanying drawing 1 between the scraper plate outside and the sleeve lining; The direction that elastic doctor blade falls along cover plate, the place ahead are that moving type is between sleeve lining and the scraper plate outside and trailing edge is fixed on the scraper plate outside, Elastic Contact outside the elastic doctor blade and between the sleeve lining.Though the Slow-falling device of this structure can slow down the speed that cover plate falls to a certain extent, but this device can only be just useful with lower cover plate for 3 kilograms, basically there is not effect for the cover plate more than 3 kilograms, and, the cover plate of this device can only be turned in the scope of angle A restriction, angle A wherein is because the restriction of structure, must be less than 180 °, more than these all make the user not too satisfied.
The model utility content
The purpose of this utility model be to provide a kind of simple and reasonable, manufacturing process is few, cost is low, the cover plate flip angle is big, intensity is high, stressed effect is good and the slow pin shaft device of upset of the cover plate that can change cover plate flip angle and speed, to overcome deficiency of the prior art.
By the slow pin shaft device that overturns of a kind of cover plate of this purpose design, comprise the bearing pin and the axle sleeve that are arranged on cover plate upset axis place, its structure characteristic is that the slide block that is connected to the axle sleeve madial wall in bearing pin and joins, bearing pin and slide block joint are respectively arranged with screw thread, be provided with the block mechanism that allows bearing pin to rotate, prevent the bearing pin move left and right between bearing pin and the axle sleeve, be provided with positioning and guiding mechanism between slide block and the axle sleeve, slide block is provided with throttle orifice, is filled with damping oil in the cavity that axle sleeve, bonnet and slide block surround.
Be provided with throttle valve lever between above-mentioned slide block and the axle sleeve, this throttle valve lever one end is arranged on the bonnet that joins with sleeve end; Dui Ying slide block is provided with throttle orifice therewith, or the slide block of correspondence is provided with throttle orifice therewith, and the bearing pin top that is positioned at the throttle orifice place is provided with the throttling pit.One end in throttle valve lever cross section is that inclined plane type or taper or ladder are step-like, or to be respectively inclined plane type or taper or ladder step-like at two ends.
Above-mentioned positioning and guiding mechanism comprises and is arranged on positioning rod on the axle sleeve bonnet, and Dui Ying slide block is provided with positioning hole therewith, and slide block slidably is set on this positioning rod by this positioning hole; And/or be arranged on the convex tendon of slide block outer ledge and be arranged on groove on the axle sleeve madial wall.
Above-mentioned block mechanism is one to be buckled in the snap ring on the bearing pin, and snap ring one side joins with the collar flange side that is arranged on the axle sleeve, and the flange opposite side joins with the boss or the snap ring that are arranged on the bearing pin, and flange internal surface and bearing pin outer surface join.
Above-mentioned block mechanism is positioning boss or the location pit that is arranged on the axle sleeve bonnet, Dui Ying bearing pin top is provided with location pit or positioning boss therewith, and be arranged on bearing pin middle part, the annular boss that joins with the axle sleeve madial wall and near the protecgulum of this boss.Be disposed with pressure pad, expansion cushion rubber and loss prevention pad between protecgulum and the bearing pin annular boss.
Throttle valve lever in the utility model can be realized stepless speed regulation or step speed regulation, when the throttle valve lever cross section is inclined plane type or taper, gap between this cross section and throttle orifice or throttling pit curve by a certain percentage increases or reduces, that is to say, the damping oil that flows through the gap also by a certain percentage curve carry out, realize stepless speed regulation this moment; When the throttle valve lever cross section is that ladder is when step-like, in a ladder scope, gap between throttle valve lever cross section and throttle orifice or the throttling pit is constant, when it arrives another step scope, undergo mutation in gap between throttle valve lever cross section and throttle orifice or the throttling pit, the damping oil that flows through the gap increases suddenly or reduces, and realizes step speed regulation.
For the mobile positioning and guiding mechanism that is provided with of slide block, guaranteed bearing pin when rotating in the utility model, driven slide block and move, and do not rotate along predetermined direction.
The utility model is applied widely, can be used in the keyboard cover of the seat board of toilet and cover plate, piano and collapsible bookcase etc. and have on the device of cover plate.
The utility model can design according to specific requirement for the flip angle of cover plate.
Illustrate: if we have individual pin shaft device need rotate 186 degree, when falling after rise, need have the function of slow decline, so, can do following design:
The unidirectional stroke of slide block is 10mm,
Screw thread can be designed to: thread turns is 186/360 circle, and the screw thread height overall is 10mm.
The utility model is simple and reasonable, manufacturing process is few, cost is low, the cover plate flip angle is big, intensity is high, stressed effect is good and can change the flip angle and the speed of cover plate.
Description of drawings
Fig. 1 is the cross-sectional structure schematic representation of pin shaft device in the prior art.
Fig. 2 is the utility model first embodiment's sectional structure schematic representation.
Fig. 3 is the utility model second embodiment's sectional structure schematic representation.
Fig. 4 is the A-A sectional structure schematic representation of Fig. 3.
Fig. 5 is the utility model cover plate upset scope structural representation.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described.
Referring to Fig. 2, this cover plate is the pin shaft device of upset slowly, the bearing pin 4 and the axle sleeve 5 that comprise cover plate upset axis place, be connected to slide block 3 sockets of axle sleeve 5 madial walls in bearing pin 4 ends and, bearing pin 4 is provided with screw thread respectively with the slide block 3 cover places of connection, be provided with the block mechanism that allows bearing pin to rotate, prevent the bearing pin move left and right between slide block 3 and the axle sleeve 5, be provided with positioning and guiding mechanism between slide block 3 and the axle sleeve 5, be filled with damping oil in the cavity that axle sleeve 5, bonnet 1 and slide block 3 surround.
Wherein, positioning and guiding mechanism comprises the positioning rod that is arranged on axle sleeve 5 bonnets 1, and Dui Ying slide block 3 is provided with positioning hole therewith, and slide block 3 slidably is set on this positioning rod by this positioning hole, and positioning rod and positioning hole do not draw among the figure.
If pin shaft device is smaller, positioning rod can be set, convex tendon is set and groove is set on the axle sleeve madial wall at slide block 3 outer ledges and adopt, do not rotate to guarantee slide block 3 because of bearing pin 4.
Block mechanism is one to be buckled in the snap ring 6 on the bearing pin 4, and snap ring 6 one sides join with collar flange 51 sides that are arranged on the axle sleeve 5, and flange 51 opposite sides join with the boss that is arranged on the bearing pin 4, and flange 51 internal surfaces and bearing pin 4 outer surfaces join.This place's structure also can be set to through rod with bearing pin 4, and it is positioned at axle sleeve 5 collar flanges 51 both sides snap ring is set respectively, thereby bearing pin 4 is blocked, and flange 51 internal surfaces and bearing pin 4 outer surfaces join, and guarantees that bearing pin 4 can only rotate in axle sleeve 5, and can not move left and right.Boss with on the alternative bearing pin 4 of snap ring does not influence actual effect.
Be provided with throttle valve lever 2 between slide block 3 and the axle sleeve 5, these throttle valve lever 2 one ends are arranged on the bonnet 1 that joins with axle sleeve 5 ends, and Dui Ying slide block 3 is provided with throttle orifice therewith, and the corresponding throttle valve lever 2 in bearing pin 4 tops is provided with throttling pit 7.One end in this throttle valve lever cross section is a cone structure, and during cone structure throttle valve lever process throttle orifice, its space that is positioned at the throttle orifice place can change.This throttle valve lever cross section can also be step-like for inclined plane type or ladder, or throttle valve lever two end sections to be respectively inclined plane type or taper or ladder step-like; Two ends are provided with different cross section respectively, to realize that cover plate presents slow falling state respectively in two extreme position of Kai Heguan.
During assembling bearing pin 4, first thread section with bearing pin 4 is stained with damping oil and is screwed in the slide block 3, also blocks with snap ring 6 in the axle sleeve 5 of again assembly being packed into, and at this moment, the boss of bearing pin 4 is resisted against collar flange 51 sides on the axle sleeve 5;
The rear portion of axle sleeve 5, the part between slide block 3 and bonnet 1 are also injected damping oil, bonnet 1 after will assembling at last, positioning rod and regulating valve stem 2 are packed in the axle sleeve 5, positioning rod is aimed at the positioning hole on the slide block 3, the throttle orifice that regulating valve stem 2 is aimed on the slide block 3 is promptly finished the assembling of pin shaft device.
If desired pin shaft device is installed on the cover plate, only need with the bearing pin in the pin shaft device 4 pack into cover plate tumble port, again the axle in the pin shaft device 5 is overlapped in the tumble port of the toilet seat mounting bracket of packing into, can finish the installation of a pin shaft device, between this moment cover plate and the toilet seat mounting bracket for being articulated and connected.In order to ensure when upset steady, two or more pin shaft devices can be installed between cover plate and toilet seat, when a plurality of pin shaft device is installed, must note the sense of rotation of bearing pin.
Referring to Fig. 3-Fig. 4, positioning and guiding mechanism comprises that the cross section is that cone shape throttle valve lever 24 1 ends are fixed on the bonnet 21, with throttle valve lever 24 positions corresponding throttle orifice 271 that is provided with on slide block 27, and be arranged on the convex tendon of slide block 27 outer ledges and be arranged on groove on axle sleeve 22 madial walls, this convex tendon and groove can transpositions, and do not influence actual effect.
Block mechanism is the positioning boss 211 that is arranged on axle sleeve 22 bonnets 21, Dui Ying bearing pin 26 tops are provided with location pit 261 therewith, and be arranged on bearing pin 26 middle parts, the annular boss 262 that joins with axle sleeve 22 madial walls and successively near this and be crimped on loss prevention pad 28, expansion cushion rubber 29, pressure pad 30 and the protecgulum 31 of boss 262.Location pit wherein and positioning boss can transpositions, and do not influence actual effect.
Positioning and guiding mechanism comprises the convex tendon that is arranged on slide block 27 outer ledges and is arranged on groove on axle sleeve 22 madial walls, sees Fig. 4.When moving in order to ensure slide block steadily, can between slide block 27 and bonnet 21, positioning rod and positioning hole be set.In order to prevent leakage of oil, the several parts that are used to seal: 23 are the bonnet cushion rubber, and 25 is the throttle valve lever cushion rubber, sees Fig. 3.Remaining part is same as above.
Referring to Fig. 2-Fig. 5, for pin shaft device is used in a embodiment on the lavatory lid, the solid line lavatory lid is opened maximum position for it is in, and the reliable water receiving case in back is seen Fig. 5; When lavatory lid was just opened, bearing pin and slide block were in as position among Fig. 2-Fig. 4, and B is the angle that cover plate allows upset.
When the lavatory lid that closes, lavatory lid carries out along the arrow P direction, and bearing pin begins to rotate, and the bearing pin sense of rotation is as going in ring shown in the arrow among Fig. 2 and Fig. 3.Because of this pin shaft device is to allow bearing pin to rotate, prevent the bearing pin move left and right, associated slide block also is limited, and can not rotate and can only laterally move.Slide block begins stressed, and is pushed to left movement by the thread guide groove on the bearing pin; Slide block is to left movement, and the damping oil pressure between bonnet, axle sleeve and slide block increases, force its by the slit flow between regulating valve stem and the slide block to space, the right.
When just beginning, the throttle orifice in the pin shaft device cooperates the slit bigger with regulating valve stem, and damping oil can flow through very easily; When being opened to maximum position gradually along with lavatory lid, slide block movement arrives near the regulating valve stem root, because of regulating valve stem is a conical design, when the matching gap of the throttle orifice of slide block and regulating valve stem reaches a smaller value at this moment, the motion of lavatory lid upset is slower, and is last slowly by upper toilet seat board or ceramic base, to prevent the lavatory lid sound that bumps when contacting with toilet seat, perhaps damage lavatory lid, thereby reach quiet effect.Wherein, the flowing velocity of damping oil has determined the speed of cover plate landing.
When lavatory lid is raised, bearing pin counter-rotating, slide block is got back to aforementioned initial position by thread guide groove, and this moment throttle valve lever and throttle orifice between the gap change from small to big, when starting, the damping oil flow velocity is more and more faster, make start easier.
If desired when lavatory lid closes, also can slowly land, the sectional shape of above-mentioned throttle valve lever oppositely can be provided with, so when lavatory lid falls after rise, the throttle orifice of slide block cooperates the slit more and more littler with regulating valve stem, also stream is slow more more for damping oil, and realization lavatory lid slowly landing falls back on the toilet seat.
At the maximum position that closes and open slow landing is set respectively if desired, little in the middle of the sectional shape of throttle valve lever can being arranged to so, the structure that two ends are big, the throttle orifice of slide block also will be earlier little of at last littler greatly with the slit that cooperates of regulating valve stem, the damping oil flow velocity is changed, thereby realize closing and the maximum position opened can both slowly land.
Claims (7)
1. the slow pin shaft device of upset of a cover plate, comprise the bearing pin and the axle sleeve that are arranged on cover plate upset axis place, it is characterized in that the slide block that is connected to the axle sleeve madial wall in described bearing pin and joins, bearing pin and slide block joint are respectively arranged with screw thread, be provided with the block mechanism that allows bearing pin to rotate, prevent the bearing pin move left and right between bearing pin and the axle sleeve, be provided with positioning and guiding mechanism between slide block and the axle sleeve, slide block is provided with throttle orifice, is filled with damping oil in the cavity that axle sleeve, bonnet and slide block surround.
2. pin shaft device according to claim 1 is characterized in that being provided with throttle valve lever between described slide block and the axle sleeve, and this throttle valve lever one end is arranged on the bonnet that joins with sleeve end; Dui Ying slide block (27) is provided with throttle orifice (271) therewith, or the slide block (3) of correspondence is provided with throttle orifice therewith, and bearing pin (4) top that is positioned at the throttle orifice place is provided with throttling pit (7).
3. pin shaft device according to claim 2, an end that it is characterized in that described throttle valve lever cross section are that inclined plane type or taper or ladder are step-like, or to be respectively inclined plane type or taper or ladder step-like at two ends.
4. pin shaft device according to claim 1 is characterized in that described positioning and guiding mechanism comprises to be arranged on positioning rod on the axle sleeve bonnet that Dui Ying slide block is provided with positioning hole therewith, and slide block slidably is set on this positioning rod by this positioning hole; And/or be arranged on the convex tendon of slide block outer ledge and be arranged on groove on the axle sleeve madial wall.
5. pin shaft device according to claim 1, it is characterized in that described block mechanism is one to be buckled in the snap ring (6) on the bearing pin (4), snap ring one side joins with collar flange (51) side that is arranged on the axle sleeve (5), the flange opposite side joins with the boss or the snap ring that are arranged on the bearing pin, and flange internal surface and bearing pin outer surface join.
6. pin shaft device according to claim 1, it is characterized in that described block mechanism is for being arranged on positioning boss (211) or the location pit on axle sleeve (22) bonnet (21), Dui Ying bearing pin (26) top is provided with location pit (261) or positioning boss therewith, and be arranged on bearing pin middle part, the annular boss (262) that joins with the axle sleeve madial wall and near the protecgulum (31) of this boss.
7. pin shaft device according to claim 6 is characterized in that being disposed with between described protecgulum (31) and bearing pin (26) annular boss (262) pressure pad (30), expansion cushion rubber (29) and loss prevention pad (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520057078 CN2791337Y (en) | 2005-04-12 | 2005-04-12 | Pin-shaft device for lid slowly turning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520057078 CN2791337Y (en) | 2005-04-12 | 2005-04-12 | Pin-shaft device for lid slowly turning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2791337Y true CN2791337Y (en) | 2006-06-28 |
Family
ID=36807407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520057078 Expired - Fee Related CN2791337Y (en) | 2005-04-12 | 2005-04-12 | Pin-shaft device for lid slowly turning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2791337Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101685622B (en) * | 2008-09-25 | 2012-03-21 | 雅马哈株式会社 | Keyboard device |
| CN108457976A (en) * | 2017-02-22 | 2018-08-28 | 宏碁股份有限公司 | Hinge arrangement and electronic device |
-
2005
- 2005-04-12 CN CN 200520057078 patent/CN2791337Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101685622B (en) * | 2008-09-25 | 2012-03-21 | 雅马哈株式会社 | Keyboard device |
| CN108457976A (en) * | 2017-02-22 | 2018-08-28 | 宏碁股份有限公司 | Hinge arrangement and electronic device |
| CN108457976B (en) * | 2017-02-22 | 2020-10-16 | 宏碁股份有限公司 | Hinge structure and electronic device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |