CN101427882A - Height-adjustable step tread pad - Google Patents
Height-adjustable step tread pad Download PDFInfo
- Publication number
- CN101427882A CN101427882A CNA2007100097685A CN200710009768A CN101427882A CN 101427882 A CN101427882 A CN 101427882A CN A2007100097685 A CNA2007100097685 A CN A2007100097685A CN 200710009768 A CN200710009768 A CN 200710009768A CN 101427882 A CN101427882 A CN 101427882A
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- top cover
- height
- ratchet
- adjustable
- hinged
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Abstract
The invention relates to a foot support cushion with adjustable height, in particular to a household support frame, which can rapidly adjust the height and firmly support the body. The foot support cushion with adjustable height comprises a pedestal, a top cover and a plurality of support rods, wherein both ends of the support rods are respectively hinged on the upper end face of the pedestal and the lower end face of the cop cover; and a height locking mechanism is arranged between the pedestal and the top cover. The height difference between the top cover and the pedestal can be adjusted by swaying the support rods, and the adjusted entire height can be locked by the height lock mechanism.
Description
Technical field
The present invention relates to a kind of home-use bracing frame.
Background technology
Often need in the family life to use step tread pad to remedy the deficiency of people's stature or leg length, so that the foot that when the people stands, hoists and pick and place article or when seating, support the people.The height of general step tread pad is fixed, and uses underaction.
Summary of the invention
The present invention aims to provide a kind of adjustable for height step tread pad, and it can firmly support human body after adjusting height apace.
Technical scheme of the present invention is: adjustable for height step tread pad has base, top cover and Duo Gen support bar; The two ends of above-mentioned many support bars are hinged on the upper surface of base and the lower surface of top cover respectively; The height locking mechanism is set between base and the top cover.
Described many support bars are divided into two groups, are arranged in the both sides between base and the top cover respectively.
Described every group of support bar all is hinged between the lower surface of the upper surface of base and top cover alternately with identical direction.
Described height locking mechanism comprises scalable air pressure rod, lifting control lever and button; The fixedly termination of scalable air pressure rod and movable termination are hinged on the upper surface of base and the lower surface of top cover respectively; Button is installed on the top cover and the head of the lifting control lever by being arranged on the top cover below connects the control part of scalable air pressure rod.
Described height locking mechanism also comprises at least one pair of ratchet and pawl and a rollover stand, and this ratchet is fixed on the hinged place of a post upper, and this ratchet is fixed on the rollover stand and the clamping mutually of this ratchet; Rollover stand contacts with button, and the afterbody of hinged lifting control lever.
A ratchet is respectively established in described rollover stand both sides, each ratchet respectively with the clamping mutually of the corresponding ratchet in corresponding post upper hinged place.
Between described rollover stand and the top cover back-moving spring is set.
The adjustable for height step tread pad of the present invention utilizes the swing adjustment top cover of support bar and the difference in height of base, and by the height locking mechanism adjusted whole height is locked.Many support bars are divided into two groups, are arranged in the both sides between base and the top cover respectively.So, these support bars can support top cover evenly.Every group of support bar all is hinged between the lower surface of the upper surface of base and top cover alternately with identical direction.Do like this, each support bar can keep flat and upright between swing, the scope that whole height is adjusted is big.Two terminations of scalable air pressure rod are hinged on respectively on base and the top cover in the height locking mechanism; Button is installed on the top cover and by the lifting control lever and controls scalable air pressure rod.Use scalable air pressure rod to lock adjusted height, Height Adjustment is carried out synchronously with the lock top, and not only speed is fast, and simple to operate.Height is provided with in the locking mechanism and contacts with button and the rollover stand of hinged lifting control lever afterbody, be fixed on the ratchet of a post upper hinged place and be fixed on the rollover stand and this ratchet ratchet of clamping mutually; By ratchet and click-fit, auxiliary scalable air pressure rod locks adjusted height, has strengthened the steadiness and the reliability of user mode integral body.The rollover stand both sides respectively establish a ratchet respectively with the clamping mutually of the corresponding ratchet in corresponding post upper hinged place, further promoted whole steadiness and reliability.Between rollover stand and the top cover back-moving spring is set, after button was pressed, in case release-push, back-moving spring just can make rollover stand reset, and has simplified operation.In sum, the adjustable for height step tread pad of the present invention is simple in structure, and is easy to operate; Height Adjustment is carried out synchronously with locking, and the state adjustment is rapid and firm.
Description of drawings
Fig. 1 is the structural representation of embodiment of the adjustable for height step tread pad of the present invention at the state of rise.
Fig. 2 is the perspective view of Fig. 1 embodiment at the state of rise.
Fig. 3 is the perspective view of each continuous part on Fig. 1 embodiment base.
Fig. 4 is the structural representation of each continuous part on Fig. 1 embodiment top cover.
Fig. 5 makes the structural representation of each continuous part after the biopsy cavity marker devices for Fig. 1 embodiment top cover.
The specific embodiment
Embodiment of the adjustable for height step tread pad of the present invention is in the structure of the state of rise, as depicted in figs. 1 and 2.This adjustable for height step tread pad have a base 1, top cover 2, scalable air pressure rod 3, four support bars 4,4 ', two ratchets 5, a rollover stand 6 and a button 7.
Please referring to Fig. 3: the and arranged on left and right sides symmetry of base 1 upper surface, each is provided with back free bearing 11 and preceding free bearing 14 alternately; The lower end of each back free bearing 11 hinged back support rod 4, free bearing 14 hinged front support rods 4 before each ' the lower end.The front portion of base 1 upper surface center line is provided with an acclivitous projection 12, and the rear portion of this center line is provided with a free bearing 13.The fixedly termination of hinged scalable air pressure rod 3 body rear ends on the free bearing 13.
Please referring to Fig. 4 and Fig. 5: the and arranged on left and right sides symmetry of top cover 2 lower surfaces, each is provided with back free bearing 21, middle free bearing 22 and preceding free bearing 23 alternately; The upper end of each back free bearing 21 hinged back support rod 4, in the middle of the leg 61 at rollover stand 6 two ends is hinged on two respectively on the free bearings 22, free bearing 23 hinged front support rods 4 before each ' upper end and a ratchet 5 that is fixed on this front support rod 4 ' upper end.The front portion of top cover 2 lower surface center lines is provided with a free bearing 24, and the rear portion has a via hole.The movable termination of hinged scalable air pressure rod 3 expansion links 31 front ends on the free bearing 24.Button 7 is installed in the via hole.The lower surface of button 7 abuts against the upper surface at rollover stand 6 middle parts.Take back and be provided with the afterbody of free bearing 62 hinged lifting control levers 64 in rollover stand 6 middle parts.The head 642 of lifting control lever 64 connects the control part 32 of scalable air pressure rod 3.The head outside of lifting control lever 64 is provided with a guiding folder 641, and lifting control lever 64 in these guiding folder 641 lower surface and clampings that are fixed on top cover 2.Rollover stand 6 two ends respectively fixedly mount a ratchet 63 near the end, the ratchet 5 of the corresponding front support rod of each ratchet 63 clamping 4 ' upper end.Spring(-supported) mount 65 of left back fixed installation of top cover 2 lower surfaces entangles rollover stand 6, is provided with a back-moving spring in this spring(-supported) mount 65 and upwards knocks over pivoted frame 6.
Get back to Fig. 2, two front support rods 4 ' and two back support rods 4 be divided into two groups, be arranged in the and arranged on left and right sides between base 1 and the top cover 2 respectively.Front support rod 4 in every group ' and back support rod 4 all be hinged on alternately between the lower surface of the upper surface of base 1 and top cover 2 with identical direction.Scalable air pressure rod 3 is hinged on the upper surface of base 1 and the lower surface of top cover 2 with opposite direction.
Press the button 7, the back-moving spring compression on the spring(-supported) mount 65, rollover stand 6 is to lower swing; When the ratchet 63 at rollover stand 6 two ends separated with corresponding ratchet 5, the free bearing 62 of rollover stand 6 was to back lower place pulling lifting control lever 64; The head 642 of lifting control lever 64 drives control part 32 actions of scalable air pressure rod 3, and the length of scalable air pressure rod 3 can be adjusted arbitrarily.At this moment, scalable air pressure rod 3 has automatic elongation with the trend of lifting on the top cover 2; Then continue to push down button 7 if want to increase whole height, along with the elongation of scalable air pressure rod 3, two front support rods 4 ' and the upper end of two back support rods 4 all to the front upper place swing, top cover 2 is raise; Otherwise then continue to push down button 7 and press down top cover 2, scalable air pressure rod 3 is shortened, two front support rods 4 ' and the upper end of two back support rods 4 all swing to the back lower place; When treating that top cover 2 reaches the height of anticipation, the back-moving springs pushing tow pivoted frame 6 that makes progress makes upwards swing of rollover stand 6 in the release-push 7, spring(-supported) mount 65; The free bearing 62 of rollover stand 6 promotes lifting control lever 64 to the front upper place; The head 642 of lifting control lever 64 drives control part 32 opposite directions of scalable air pressure rod 3, and the length of scalable air pressure rod 3 is locked; Simultaneously, the ratchet 63 at rollover stand 6 two ends and 5 engagings of corresponding ratchet, two front support rods 4 ' state also locked.The height of top cover 2 is determined constant, and the user that leaves tramples.Its whole height will remain to next time makes adjustment.
If top cover 2 pressed fully, top cover 2 is buckled on the base 1, the front support rod 4 in two groups ' and back support rod 4 all with the upper end after the horizontally hinged alternately upper surface and the lower surface of top cover 2 at base 1 of direction between.In the expansion link 31 basic retraction bodies of scalable air pressure rod 3, be hinged on the attitude of approximate horizontal between the lower surface of the upper surface of base 1 and top cover 2.Whole height minimum.At this moment, because the projection 12 on the base 1 is positioned at the place, the place ahead of lifting control lever 64 heads 642; In case button 7 is pressed, lifting control lever 64 touches the control part 32 of scalable air pressure rod 3 expansion links 31 front ends rapidly, the expansion link 31 that makes scalable air pressure rod 6 is to protracting, but the scalable air pressure rod of the guiding that is subjected to projection 12 inclined-planes 6 expansion links 31 to the front upper place to extension, thereby make front support rod 4 in two groups ' and back support rod 4 all to the front upper place to swing, top cover 2 rises automatically.
When whole height is maximum, two front support rods 4 ' and two back support rods 4 roughly be in upright state, the expansion link 31 of scalable air pressure rod 6 stretches out from body substantially.
The above only is preferred embodiment of the present invention, yet does not limit scope of the invention process with this, and the equivalence of doing according to technical scheme of the present invention and description changes and modification, all should belong to the scope that the present invention is contained.
Claims (7)
1. adjustable for height step tread pad is characterized in that: have base, top cover and Duo Gen support bar; The two ends of above-mentioned many support bars are hinged on the upper surface of base and the lower surface of top cover respectively; The height locking mechanism is set between base and the top cover.
2. adjustable for height step tread pad according to claim 1 is characterized in that: described many support bars are divided into two groups, are arranged in the both sides between base and the top cover respectively.
3. adjustable for height step tread pad according to claim 2 is characterized in that: described every group of support bar all is hinged between the lower surface of the upper surface of base and top cover alternately with identical direction.
4. according to claim 1 or 2 or 3 described adjustable for height step tread pads, it is characterized in that: described height locking mechanism comprises scalable air pressure rod, lifting control lever and button; The fixedly termination of scalable air pressure rod and movable termination are hinged on the upper surface of base and the lower surface of top cover respectively; Button is installed on the top cover and the head of the lifting control lever by being arranged on the top cover below connects the control part of scalable air pressure rod.
5. adjustable for height step tread pad according to claim 4, it is characterized in that: described height locking mechanism also comprises at least one pair of ratchet and pawl and a rollover stand, this ratchet is fixed on the hinged place of a post upper, and this ratchet is fixed on the rollover stand and the clamping mutually of this ratchet; Rollover stand contacts with button, and the afterbody of hinged lifting control lever.
6. adjustable for height step tread pad according to claim 5 is characterized in that: a ratchet is respectively established in described rollover stand both sides, each ratchet respectively with the clamping mutually of the corresponding ratchet in corresponding post upper hinged place.
7. adjustable for height step tread pad according to claim 6 is characterized in that: between described rollover stand and the top cover back-moving spring is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100097685A CN101427882A (en) | 2007-11-06 | 2007-11-06 | Height-adjustable step tread pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100097685A CN101427882A (en) | 2007-11-06 | 2007-11-06 | Height-adjustable step tread pad |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101427882A true CN101427882A (en) | 2009-05-13 |
Family
ID=40643669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100097685A Pending CN101427882A (en) | 2007-11-06 | 2007-11-06 | Height-adjustable step tread pad |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101427882A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102894689A (en) * | 2012-07-30 | 2013-01-30 | 陈伟 | Adjustable bottom foot |
-
2007
- 2007-11-06 CN CNA2007100097685A patent/CN101427882A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102894689A (en) * | 2012-07-30 | 2013-01-30 | 陈伟 | Adjustable bottom foot |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20090513 |