CN102356972B - Self-overturning reconstruction earthquake protection bed with double-roller cam mechanism - Google Patents
Self-overturning reconstruction earthquake protection bed with double-roller cam mechanism Download PDFInfo
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- CN102356972B CN102356972B CN 201110236478 CN201110236478A CN102356972B CN 102356972 B CN102356972 B CN 102356972B CN 201110236478 CN201110236478 CN 201110236478 CN 201110236478 A CN201110236478 A CN 201110236478A CN 102356972 B CN102356972 B CN 102356972B
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- bed
- chute
- extension spring
- roller
- circle
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C31/00—Details or accessories for chairs, beds, or the like, not provided for in other groups of this subclass, e.g. upholstery fasteners, mattress protectors, stretching devices for mattress nets
- A47C31/002—Anti-earthquake means
Abstract
Belonging to the technical field of disaster reduction equipment, the invention relates to a self-overturning reconstruction earthquake protection bed with a double-roller cam mechanism. Present technologies have mechanical dead points. The overturning resistance of bed boards is sometimes great, a reconstructed bed surface has week resistance to falling objects, and the structure is complex. The invention is characterized in that: ends of the bed boards are provided with inner rollers and outer rollers; bed heads at the two ends of the bed are equipped with the same power mechanisms and overturning mechanisms; each overturning mechanism consists of two sets of symmetric chutes, and each set of chute is composed of a horizontal chute, a vertical chute and an arc chute; the horizontal chutes are at the bottom of the bed heads, the vertical chutes are the outer edges of the bed heads, and the arc chutes are at the upper part of the bed heads, with the high ends of the arc chutes communicated with the upper ends of the vertical chutes, and the low ends of the arc chutes lower than the middle parts of the bed heads; each power mechanism comprises a gib and two sets of symmetrically distributed extension springs, and each set of extension spring comprises a transverse extension spring and an inclined extension spring; the gib straddles to pull two inner rollers on the same ends of two bed boards, and each extension spring is strained, wherein, one end of the transverse extension spring is connected to an inner roller and the other end is fixed on the outer edge of a bed head, while one end of the inclined extension spring is connected to an outer roller and the other end is fixed on the outer side of an arc chute.
Description
Technical field
The present invention relates to a kind of reconstruct of upset certainly earthquake protection bed with two roller cam mechanism, when monitoring the ruinous earthquake generation, two bed boards can be automatically, upset voluntarily, personnel's original position falls, two bed boards are ridge structure of reconstruct then, prevent that junk from injuring personnel, belong to the mitigation equipment technical field.
Background technology
Be in hypnopompic people when at utmost protecting earthquake to take place, some earthquake protection beds with protective action are devised.Application number is 200510006514.9, name be called " Shockproof bed in building " a Chinese invention patent Shen Qing Publication scheme.Be combined as bed surface by two identical bed boards 1, long along bed board 1 to a rotating shaft 2 is arranged, see shown in Figure 1.Flip flop equipment 3, actuating unit 4, switching mechanism are positioned at an end head of a bed, see shown in Figure 2.When shockproof bed rocked because of earthquake, flip flop equipment 3 provided control signal, started actuating unit 4 by control signal and drove switching mechanism.The power of actuating unit 4 is the thrust gas that produces from the sodium nitrate in it, fluorubber, magnesium powder, silica blast.In switching mechanism, two identical bed board turning gears 5 are meshing with each other; Each bed board turning gear 5 is coaxial and fixing with rotating shaft 2 one ends of bed plate 1, and one of them rotating shaft 2 is also coaxial and fixing with a power steamboat 6, and this power steamboat 6 is positioned at bed board turning gear 5 outsides, sees Fig. 2, Fig. 3, shown in Figure 4; Power steamboat 6 also with power bull wheel 7 engagement, anti-downly take turns 8 and be positioned at power bull wheel 7 outsides, the two is coaxial and fixing.The outer end of the power rail 9 in the actuating unit 4 is connected with connecting rod 10, elastic force bar 11 successively, and connecting rod 10 other ends are connected by pivot pin 12 with power bull wheel 7 edges, and in connecting rod 10 and rotating shaft 2 contact positions, connecting rod 10 links to each other with lock pin 13 in inserting rotating shaft 2; The other end of elastic force bar 11 is one section tooth bar, with anti-down take turns 8 the engagement.The effect of lock pin 13, elastic force bar 11 is to prevent bed board 1 upset when shockproof bed normally uses at ordinary times.When earthquake took place, the power rail 9 in the actuating unit 4 promoted connecting rod 10, elastic force bar 11 moves, and connecting rod 10 is extracted lock pin 13, and the disengaging of elastic force bar 11 tooth bar ends is anti-down takes turns 8; Connecting rod 10 rotates counterclockwise miter angle by pivot pin 12 pulling power bull wheels 7, gearratio according to design, power steamboat 6 clockwise rotates 180 degree angles, the bed board turning gear 5 coaxial with power steamboat 6 also rotates 180 degree angles on same direction, these side bed board 1 Equidirectional overturning 180 degree angles, simultaneously, opposite side bed board turning gear 5 rotates counterclockwise 180 degree angles, coupled bed board 1 turns over the turnback angle counterclockwise, in the process that two bed boards 1 are overturning, personnel land, and after upset finished, two bed boards 1 still constituted a bed surface.Anti-reversing tongue 14 is taken turns 8 and is cooperated with anti-down, prevents bed board 1 reverse, guarantees the performance of shockproof protective action.
Its deficiency of prior art is, owing to actuating unit 4, switching mechanism only drive upset at bed board 1 one ends, has mechanical dead point; Because rotating shaft 2 is positioned in the middle of the bed board 1, when personnel are in bed board 1 outside just, bring very big resistance for bed board 1 upset, simultaneously, it is bigger that therefore personnel fall into action, causes scaring unavoidably; Article two, bed board 1 upset back reconstruction plane bed surface, opposing junk ability a little less than; Actuating unit 4, switching mechanism complex structure, bulky, part cost height.
Summary of the invention
In order to eliminate switching mechanism machinery dead point, make the bed board upset not influenced by the personnel present position, reduce personnel and fall into action, bearing capacity after the reconstruct of raising bed board, simplify the switching mechanism structure, reduce volume, reduce the part cost, we have invented a kind of reconstruct of upset certainly earthquake protection bed with two roller cam mechanism.
Its part of reconstruct earthquake protection bed that overturns certainly with two roller cam mechanism of the present invention comprises the bed surface that combined by two bed boards 1 and the head of a bed 15 at bed two ends, also have flip flop equipment, actuating unit and switching mechanism, it is characterized in that, bed board 1 end has at a distance of identical interior roller 16 and outer roller 17 for a+b, sees shown in Figure 5; On the head of a bed 15 at bed two ends, be provided with identical actuating unit and switching mechanism, see Fig. 6, shown in Figure 7; Switching mechanism is made of the two symmetrical groups chute, and every group of chute is made up of horizontal concrete chute 18, vertical chute 19 and arc chute 20; Horizontal concrete chute 18 is positioned at the head of a bed 15 bottoms, and vertical chute 19 is positioned at the head of a bed 15 outward flanges, and arc chute 20 is positioned at the head of a bed 15 tops, and arc chute 20 high-end and vertical chutes 19 upper ends communicate, and arc chute 20 low sides are positioned at the head of a bed 15 middle parts; The end of each chute is the semi-circular arc shape, and radius of curvature equates that with the radius of curvature of each roller chute cooperates with roller clearance; The circular arc center of circle, horizontal concrete chute 18 two ends is at a distance of being a, and the circular arc center of circle, horizontal concrete chute 18 outer end is b apart with the circular arc center of circle, vertical chute 19 lower end; Arc chute 20 radius of central line r=a+b, center of circle O overlaps with the circular arc center of circle, horizontal concrete chute 18 outer end, sees shown in Figure 8; When bed board 1 was the level of state, interior roller 16 was positioned at horizontal concrete chute 18 the inners, and outer roller 17 is positioned at vertical chute 19 lower ends, sees Fig. 6, shown in Figure 7; Actuating unit is by drawing pin 21 and two groups of extension springs that are symmetrically distributed to form, and every group of extension spring is made up of a horizontal extension spring 22 and oblique extension spring 23, sees Fig. 6, shown in Figure 7; When bed board 1 is the level of state, draw pin 21 to stride to draw two interior rollers 16 of two bed board 1 mutually same ends, each extension spring all is tensioning state, roller 16 in horizontal extension spring 22 1 ends connect, the other end is fixed on the head of a bed 15 outward flanges, tiltedly extension spring 23 1 ends connect outer roller 17, and the other end is fixed on arc chute 20 outsides.
Its technique effect of the present invention is, owing to all be provided with identical actuating unit and switching mechanism on the head of a bed 15 at bed two ends, therefore, has eliminated switching mechanism machinery dead point.The vertical chute 19 and the arc chute 20 that communicate are equivalent to cam, and outer roller 17 is linked to each other by bed board 1 with interior roller 16 and is equivalent to push rod, constitute two roller cam mechanisms, and different with common cam mechanism is that cam is static, the push rod slip.When earthquake is guard bed when rocking because of earthquake, flip flop equipment provides control signal, starts actuating unit by control signal and drives switching mechanism.Article two, bed board 1 is as follows from the restructuring procedure that overturns, draw pin 21 to be pulled upwardly, discharge two interior rollers 16, under the extension spring effect of tensioning, two outer rollers 17 are along moving on the vertical chute 19, two interior rollers 16 move outside horizontal concrete chute 18, see shown in Figure 9, when moving to vertical chute 19 upper ends on the roller 17 outside two, move to horizontal concrete chute 18 outer ends outside two interior rollers 16, in this course, progressively outwards extracted out on the highland outside two bed boards 1 hanged down in level, up in vertical state, no matter where personnel are in bed surface, little to the upset influence of bed board 1, upset is same quick, and the action that personnel fall into is also little, thereby at utmost reduces the scaring that the upset because of bed board 1 causes personnel; Afterwards, two outer rollers 17 are under the acting in conjunction of tiltedly extension spring 23, bed board 1 gravity and mobile inertia, continuation is moved along arc chute 20, up to offseting with arc chute 20 low sides, see Figure 10, shown in Figure 11, and arc chute 20 low sides are positioned at the head of a bed 15 middle parts, at this moment, article two, ridge structure of bed board 1 reconstruct, thus strong bearing capacity possessed.Than prior art, the present invention is fluting on the head of a bed 15 just, provides power by extension spring again, and therefore, structure is very simple, and volume is little, and cost is low.
Description of drawings
Fig. 1 is existing shockproof bed bed board and bed surface structural representation.Fig. 2 is existing shockproof bed flip flop equipment, actuating unit, the switching mechanism interior distribution situation schematic diagram of the head of a bed at one end.Fig. 3 is existing shockproof bed actuating unit, switching mechanism structural plan schematic diagram.Fig. 4 is existing shockproof bed actuating unit, switching mechanism structural upright schematic diagram.Fig. 5 is the present invention's earthquake protection bed bed board and a bed surface structural representation.Fig. 6 is the present invention's earthquake protection bed actuating unit, the distribution situation schematic perspective view of switching mechanism on the head of a bed.Fig. 7 is the present invention's earthquake protection bed actuating unit, a switching mechanism structural representation.Fig. 8 is the present invention's earthquake protection bed switching mechanism architectural feature figure.Fig. 9 be two bed boards of earthquake protection bed of the present invention from the restructuring procedure schematic diagram that overturns, this figure double as is a Figure of abstract.Figure 10 is the ridge structure floor map of two bed board upsets finishing of earthquake protection bed reconstruct of the present invention.Figure 11 is the ridge structure schematic perspective view of two bed board upsets finishing of earthquake protection bed reconstruct of the present invention.
The specific embodiment
Its part of reconstruct earthquake protection bed that overturns certainly with two roller cam mechanism of the present invention comprises the bed surface that combined by two bed boards 1 and the head of a bed 15 at bed two ends, also has flip flop equipment, actuating unit and switching mechanism.Bed board 1 end has at a distance of identical interior roller 16 and outer roller 17 for a+b, sees shown in Figure 5.On the head of a bed 15 at bed two ends, be provided with identical actuating unit and switching mechanism, see Fig. 6, shown in Figure 7.Switching mechanism is made of the two symmetrical groups chute, and every group of chute is made up of horizontal concrete chute 18, vertical chute 19 and arc chute 20.Horizontal concrete chute 18 is positioned at the head of a bed 15 bottoms, and vertical chute 19 is positioned at the head of a bed 15 outward flanges, and arc chute 20 is positioned at the head of a bed 15 tops, and arc chute 20 high-end and vertical chutes 19 upper ends communicate, and arc chute 20 low sides are positioned at the head of a bed 15 middle parts.The numerical value of crossing the angle α of the arc chute 20 radius of central line r in the arc chute 20 low side circular arc centers of circle and horizontal concrete chute 18 center lines is: 30 °≤α≤60 °.The end of each chute is the semi-circular arc shape, and radius of curvature equates that with the radius of curvature of each roller chute cooperates with roller clearance.The circular arc center of circle, horizontal concrete chute 18 two ends is at a distance of being a, and as 240mm, the circular arc center of circle, horizontal concrete chute 18 outer end is b apart with the circular arc center of circle, vertical chute 19 lower end, as 60mm, still, and b 〉=0, when b=0, horizontal concrete chute 18 outer ends communicate with vertical chute 19 lower ends.Arc chute 20 radius of central line r=a+b, center of circle O overlaps with the circular arc center of circle, horizontal concrete chute 18 outer end, sees shown in Figure 8.The arc chute 20 radius of central line r that cross the circular arc center of circle, vertical chute 19 upper end with the numerical value of the angle β of vertical chute 19 center lines are: 0 °≤β≤15 °, the vertical circular arc center of circle, chute 19 two ends is c apart, c=(a+b) * cos β.When bed board 1 was the level of state, interior roller 16 was positioned at horizontal concrete chute 18 the inners, and outer roller 17 is positioned at vertical chute 19 lower ends, sees Fig. 6, shown in Figure 7.Actuating unit is by drawing pin 21 and two groups of extension springs that are symmetrically distributed to form, and every group of extension spring is made up of a horizontal extension spring 22 and oblique extension spring 23, sees Fig. 6, shown in Figure 7.When bed board 1 is the level of state, draw pin 21 to stride to draw two interior rollers 16 of two bed board 1 mutually same ends; Each extension spring all is tensioning state; Roller 16 in horizontal extension spring 22 1 ends connect, the other end are fixed on the head of a bed 15 outer peripheral vertical chute 19 center lines outside and horizontal concrete chute 18 center line downsides; Tiltedly extension spring 23 1 ends connect outer roller 17, and the other end is fixed on the position that arc chute 20 outsides and two groups of chute line of symmetries are higher than the circular arc center of circle, vertical chute 19 upper end.
Claims (6)
1. the reconstruct of upset certainly earthquake protection bed with two roller cam mechanism, its part comprises the head of a bed (15) at the bed surface that combined by two bed boards (1) and bed two ends, also have flip flop equipment, actuating unit and switching mechanism, it is characterized in that bed board (1) end has at a distance of being identical interior roller (16) and the outer roller (17) of a+b; On the head of a bed (15) at bed two ends, be provided with identical actuating unit and switching mechanism; Switching mechanism is made of the two symmetrical groups chute, and every group of chute is made up of horizontal concrete chute (18), vertical chute (19) and arc chute (20); Horizontal concrete chute (18) is positioned at the head of a bed (15) bottom, vertical chute (19) is positioned at the head of a bed (15) outward flange, arc chute (20) is positioned at the head of a bed (15) top, high-end and the vertical chute of arc chute (20) (19) upper end communicates, and arc chute (20) low side is positioned at the head of a bed (15) middle part; The end of each chute is the semi-circular arc shape, and radius of curvature equates that with the radius of curvature of each roller chute cooperates with roller clearance; The circular arc center of circle, horizontal concrete chute (18) two ends is at a distance of being a, and the circular arc center of circle, horizontal concrete chute (18) outer end is b apart with the circular arc center of circle, vertical chute (19) lower end; Arc chute (20) radius of central line r=a+b, center of circle O overlaps with the circular arc center of circle, horizontal concrete chute (18) outer end; When bed board (1) when being the level of state, interior roller (16) is positioned at horizontal concrete chute (18) the inner, and outer roller (17) is positioned at vertical chute (19) lower end; Actuating unit is by drawing pin (21) and two groups of extension springs that are symmetrically distributed to form, and every group of extension spring is made up of a horizontal extension spring (22) and oblique extension spring (23); When bed board (1) when being the level of state, draw pin (21) to stride to draw two interior rollers (16) of the mutually same end of two bed boards (1), each extension spring all is tensioning state, roller (16) in horizontal extension spring (22) one ends connect, the other end is fixed on the head of a bed (15) outward flange, tiltedly extension spring (23) one ends connect outer roller (17), and the other end is fixed on arc chute (20) outside.
2. according to claim 1 from overturning reconstruct earthquake protection bed, it is characterized in that the numerical value of the angle α of arc chute (20) the radius of central line r in arc chute (20) the low side circular arc center of circle and horizontal concrete chute (18) center line is excessively: 30 °≤α≤60 °.
3. according to claim 1 from overturning reconstruct earthquake protection bed, it is characterized in that, the circular arc center of circle, horizontal concrete chute (18) outer end and the circular arc center of circle, vertical chute (19) lower end distance b 〉=0, when b=0, horizontal concrete chute (18) outer end communicates with vertical chute (19) lower end.
4. according to claim 1 from overturning reconstruct earthquake protection bed, it is characterized in that, arc chute (20) the radius of central line r that crosses the circular arc center of circle, vertical chute (19) upper end with the numerical value of the angle β of vertical chute (19) center line is: 0 °≤β≤15 °, the vertical circular arc center of circle, chute (19) two ends is c apart, c=(a+b) * cos β.
5. the reconstruct earthquake protection bed that overturns certainly according to claim 1 is characterized in that horizontal extension spring (22) other end is fixed on the outer peripheral vertical chute of the head of a bed (15) (19) the center line outside and horizontal concrete chute (18) center line downside.
6. according to claim 1ly it is characterized in that tiltedly extension spring (23) other end two groups of chute line of symmetries being fixed on arc chute (20) outside are higher than the position in the circular arc center of circle, vertical chute (19) upper end from the reconstruct earthquake protection bed that overturns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110236478 CN102356972B (en) | 2011-08-18 | 2011-08-18 | Self-overturning reconstruction earthquake protection bed with double-roller cam mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110236478 CN102356972B (en) | 2011-08-18 | 2011-08-18 | Self-overturning reconstruction earthquake protection bed with double-roller cam mechanism |
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| Publication Number | Publication Date |
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| CN102356972A CN102356972A (en) | 2012-02-22 |
| CN102356972B true CN102356972B (en) | 2013-07-31 |
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| CN 201110236478 Expired - Fee Related CN102356972B (en) | 2011-08-18 | 2011-08-18 | Self-overturning reconstruction earthquake protection bed with double-roller cam mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP6318434B2 (en) * | 2013-12-27 | 2018-05-09 | 株式会社トラストコーポレーション | bed |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006254968A (en) * | 2005-03-15 | 2006-09-28 | Kenji Hirasawa | Disaster preventive automatic rotating bed with shield cover and earthquake intensity sensor |
| JP2007097901A (en) * | 2005-10-05 | 2007-04-19 | Nippon Anzen Sangyo Kk | Bed |
| CN101874689A (en) * | 2010-06-30 | 2010-11-03 | 溧阳市正翔精密机械有限公司 | Intelligent earthquake bed |
| CN201840106U (en) * | 2010-08-31 | 2011-05-25 | 武汉工业学院 | Novel shockproof bed |
| CN102113787A (en) * | 2010-12-30 | 2011-07-06 | 王泓晖 | Earthquake protection bed |
-
2011
- 2011-08-18 CN CN 201110236478 patent/CN102356972B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006254968A (en) * | 2005-03-15 | 2006-09-28 | Kenji Hirasawa | Disaster preventive automatic rotating bed with shield cover and earthquake intensity sensor |
| JP2007097901A (en) * | 2005-10-05 | 2007-04-19 | Nippon Anzen Sangyo Kk | Bed |
| CN101874689A (en) * | 2010-06-30 | 2010-11-03 | 溧阳市正翔精密机械有限公司 | Intelligent earthquake bed |
| CN201840106U (en) * | 2010-08-31 | 2011-05-25 | 武汉工业学院 | Novel shockproof bed |
| CN102113787A (en) * | 2010-12-30 | 2011-07-06 | 王泓晖 | Earthquake protection bed |
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| CN102356972A (en) | 2012-02-22 |
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