CN206634995U - Single group balances pressure type expansion bend - Google Patents
Single group balances pressure type expansion bend Download PDFInfo
- Publication number
- CN206634995U CN206634995U CN201720422729.7U CN201720422729U CN206634995U CN 206634995 U CN206634995 U CN 206634995U CN 201720422729 U CN201720422729 U CN 201720422729U CN 206634995 U CN206634995 U CN 206634995U
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- China
- Prior art keywords
- backboard
- outside
- bracket
- hinged
- side arm
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Abstract
A kind of single group balances pressure type expansion bend,Including backboard and the L bracket being upside down on backboard,On backboard upper pendulum bar and draft link are hinged with the outside of L bracket,The long side arm and short side arm that L bracket includes,The lower end of long side arm is hinged up a lower arm rod,One end away from the upper pendulum bar is hinged downwards a catch bar on short side arm,The lower end of backboard is hinged a poke rod,The pin joint of poke rod and backboard is located at the outside of long side arm,The inner side of L bracket is located at the cell body of one outward opening of upper end setting of backboard,The upper end of upper armed lever is provided with balance pressure spot,Balance pressure spot is located in cell body,On backboard a locating wheel being fixedly connected with backboard is also set up on the outside of catch bar,The upper end of L bracket sets a back-moving spring being fixedly connected with backboard,The utility model is simple in construction,It can keep balancing the action that quickly realization is stretched under constant or micro- change state in pressure spot,Easy care,Stability is high.
Description
Technical field：
It the utility model is related to a kind of retractor device, more particularly to a kind of single group balance pressure type expansion bend.
Background technology：
Retractor device on the market now, have telescopic rail type also has scissor type telescopic type, but general structure is more multiple
It is miscellaneous, and telescopic process also has some setbacks, and telescopic rail type is generally used for high-precision occasion, has enough guiding accuracies, adds
Work is difficult, generally requires machine driving or hydraulic drive to provide power, repairs cumbersome, and scissor type telescopic machine
Structure, the pole quantity of intersection is more, and maintenance is got up cumbersome, it usually needs and square tube or channel-section steel do guide rail, increase stability, and
Load-bearing capacity is low；Most of retractor device generally existing is complicated in the prior art, and power consumption is big, and telescopic process is not easy to operate,
Pressure spot is in variable condition, the defects of can not realizing alternating movement.
Utility model content：
The purpose of this utility model be in order to overcome above-mentioned the shortcomings of the prior art in place of, and a kind of single group is provided and put down
Weigh pressure type expansion bend, and it quick in the case where pressure spot keeps poised state can realize flexible action, easy care, stability
It is high.
In order to solve the problems existing in background technology, the utility model adopts the following technical scheme that：A kind of single group balance
Pressure type expansion bend, including backboard and the L bracket that is upside down on backboard, it is hinged with the outside of L bracket on backboard
Swing rod and draft link, the L bracket include the long side arm and short side arm of vertical connection, the upper surface and lower surface point of long side arm
Free end not with upper pendulum bar and draft link is hinged, and the lower end of long side arm is hinged up a lower arm rod, away from institute on short side arm
The one end for stating upper pendulum bar is hinged downwards a catch bar, and the lower end of backboard is hinged the pin joint of a poke rod, poke rod and backboard
Positioned at the outside of long side arm, the inner side of L bracket is located at the cell body of one outward opening of upper end setting of backboard, the upper end of upper armed lever
It is resisted against in cell body, the upper end of upper armed lever is provided with balance pressure spot, and the lower end of upper armed lever is hinged on the middle top of lower arm rod, promotes
The lower end of bar is resisted against the outside of poke rod and can moved up and down along poke rod, and the upper end of poke rod is resisted against the outside of lower arm rod
And can be moved up and down along lower arm rod, also set up a locating wheel being fixedly connected with backboard, L-shaped on the outside of catch bar on backboard
The upper end of support sets a back-moving spring being fixedly connected with backboard.
The lower end of catch bar and the upper end of poke rod are respectively provided with a movable pulley.
One wheel hub is installed on the jointed shaft that draft link is connected with backboard, a driving gear is nested with the outside of wheel hub, actively
A driven gear is engaged in the outside of gear, and the driving gear includes wheel rim, and the inner side of wheel rim is provided with ratchet, set on the outside of wheel rim
There are the gear teeth being engaged with driven gear, a ratchet, the ratchet and the spine on the inside of wheel rim are installed in the outside of wheel hub by torsion spring
Tooth is engaged.
In use, balancing one power of pressure spot, armed lever is set to drive what direction where the oriented long side arm of lower arm rod was swung
Trend, L-type support is driven to drive upper pendulum bar, draft link, catch bar to be dialled to lower swing or movement, the movable pulley edge of catch bar lower end
The outer webs slide downward of lever, and drive the inside side oscillation of poke rod, the slip wheel drive lower arm rod of poke rod upper end it is upper
The lower end with upper armed lever is held to draw close rapidly, and collinearly；So that L bracket while moving down flexible, ensures balance by pinch roller
In the state that balance is constant；When lower arm rod is conllinear with upper armed lever, long side arm is located at the bottom of bottom plate, when handle acts on balance
When being eliminated by the power on wheels, work of the mutual lever such as L bracket, upper pendulum bar, draft link, upper armed lever, lower arm rod in back-moving spring
With lower reset, the position of force balance wheel keeps poised state.
The utility model is single group retractor device, two groups or four groups of retractor devices can also be set on backboard, two groups are stretched
Compression apparatus can the overlapped setting on backboard, the force balance wheel in two groups of retractor devices can be alternately pressed during use,
When one of L-type support is stretched out, another L bracket is in the state of retraction.
The utility model is simple in construction, quick in the case where pressure spot holding balances constant or micro- change state can realize what is stretched
Action, easy care, stability are high, and when eliminating pressing force, L bracket can reset retraction rapidly in the presence of back-moving spring,
Load capacity is big, easy care, is applicable to more rugged environment, and the utility model is single group retractor device, can also carried on the back
Two or more sets retractor devices are set on plate, two groups of retractor devices can the overlapped setting on backboard, can hand over during use
For pressure, the function that multigroup L bracket is alternately stretched is realized；The utility model can also transport transform linear motion for rotation
Dynamic, when L bracket moves down, ratchet clamping ratchet on wheel hub simultaneously drives driving gear to rotate, driving gear drive from
Moving gear rotates, now can be using driven gear as a rotary power.When L bracket moves up, ratchet and ratchet
Depart from, driving gear stops operating, suitable for popularization and application.
Brief description of the drawings：
Fig. 1 is structural representation of the present utility model；
Fig. 2 is another status architecture schematic diagram of the present utility model.
In figure：1. bottom plate, 2. upper pendulum bars, 3.L shape supports, 4. catch bars, 5. locating wheels, 6. cell bodies, 7. balance pressure spots,
Armed lever on 8., 9. lower arm rods, 10. poke rods, 11. draft links, 12. driven gears, 13. driving gears, 14. ratchets, 15. wheels
Hub, 16. ratchets, 17. back-moving springs.
Embodiment：
1-2 and embodiment are further described to the utility model below in conjunction with the accompanying drawings, it is thus understood that following specific real
The mode of applying is merely to illustrate the utility model rather than limitation the scope of the utility model, furthermore, it is necessary to explanation, below
The word used in description：" preceding " " rear " " left side " " right side " " on " " under " refers to the direction in accompanying drawing, " interior " " outer " in word
Refer to away from or towards the direction away from particular elements geometric center.
A kind of single group balance pressure type expansion bend provided by the utility model, including backboard 1 and retractor device, it is described flexible
Device includes the L bracket 3 being upside down on backboard, and the outside that L bracket 3 is located on backboard 1 is hinged with upper pendulum bar 2 and draft link
11, the L bracket 3 includes the long side arm and short side arm of vertical connection, the upper surface and lower surface of long side arm respectively with upper pendulum
The free end of bar 2 and draft link 11 is hinged, and the lower end of long side arm is hinged up a lower arm rod 9, away from described on short side arm
A be hinged catch bar 4, the lower end of backboard 1 are hinged a poke rod 10, the hinge of poke rod 10 and backboard 1 downwards for one end of swing rod 2
Contact is located at the outside of long side arm, and the inner side of L bracket 3 is located at the cell body 6 of one outward opening of upper end setting of backboard 1, upper arm
The upper end of bar 8 is provided with balance pressure spot 7, and the balance pressure spot can be a pinch roller or briquetting, and the pinch roller is resisted against cell body 6
Interior, the lower end of upper armed lever 8 is hinged on the middle top of lower arm rod 9, and the lower end of upper armed lever 8 can open up bar-shaped trough, and the two of bar-shaped trough
Side is provided with the two side arms being hinged with lower arm rod 9, and when upper armed lever 8 is conllinear with lower arm rod 9, the upper end of lower arm rod 9 can fold
In to the bar-shaped trough；The lower end of catch bar 4 is resisted against the outside of poke rod 10 and can moved up and down along poke rod 10, poke rod
10 upper end is resisted against the outside of lower arm rod 9 and can moved up and down along lower arm rod, it is of course also possible to be set in the outside of lower arm rod 9
Chute is put, the movable pulley on poke rod 10 is moved up and down along the chute on lower arm rod 9；It is located at the outside of catch bar 4 on backboard 1
A locating wheel 5 being fixedly connected with backboard is also set up, the upper end of L bracket 3 sets a back-moving spring being fixedly connected with backboard 1
17, as preferred structure of the present utility model, the lower end of catch bar 4 and the upper end of poke rod 10 are respectively provided with a movable pulley.
One wheel hub 15 is installed, the outside of wheel hub 15 is nested with a driving tooth on the jointed shaft that draft link 11 is connected with backboard 1
A driven gear 12 is engaged in wheel 13, the outside of driving gear 13, and the driving gear 13 includes wheel rim, and the inner side of wheel rim is provided with spine
Tooth 16, the outside of wheel rim are provided with the gear teeth being engaged with driven gear 12, and a ratchet 14 is installed in the outside of wheel hub 15 by torsion spring,
The ratchet 14 is engaged with the ratchet 16 on the inside of wheel rim.
In use, balancing 7 one power of pressure spot, armed lever 8 is set to drive direction where the oriented long side arm of lower arm rod 9 to swing
Trend, drive L-type support 3 to drive upper pendulum bar 2, draft link 11 to be moved down to lower swing, catch bar 4；The lower end of catch bar 4
Movable pulley drives 10 inside side oscillation of poke rod along the slide downward of poke rod 10, under the slip wheel drive of the upper end of poke rod 10
The upper end of armed lever 9 and the lower end of upper armed lever 8 are drawn close rapidly, and collinearly；So that L bracket 3 while moving down flexible, ensures to put down
Weighing apparatus is in by pinch roller 7 and balances constant state；When the upper end of lower arm rod 9 overlaps with the lower end of upper armed lever 8, long side arm is located at bottom
The bottom of plate, when the power acted on force balance wheel 3 is eliminated, L bracket 3, upper pendulum bar 2, draft link 11, upper armed lever
8th, mutually lever resets lower arm rod 9 etc. in the presence of back-moving spring 17, and the position of force balance wheel 7 keeps poised state.
The utility model is single group retractor device, two groups or four groups of retractor devices can also be set on backboard 1, two groups are stretched
Compression apparatus can the overlapped setting on backboard 1, the force balance wheel in two groups of retractor devices can be alternately pressed during use
7, when one of L-type support 3 is stretched out, another L bracket 3 is in the state of retraction.
Transform linear motion can also be rotary motion by the utility model, when L bracket 3 moves down, draft link
11 jointed shafts that are connected with backboard 1 drive hub rotations, and the ratchet clamping ratchet 16 on wheel hub 15 simultaneously drives driving gear 13
Rotate, driving gear drives driven gear 12 to rotate, now can be using driven gear 12 as a rotary power.When L-shaped branch
When frame 3 moves up, ratchet departs from ratchet 16, and driving gear 13 stops operating.
Claims (3)
1. a kind of single group balances pressure type expansion bend, including backboard（1）And it is upside down in the L bracket on backboard（3）, backboard（1）
It is upper to be located at L bracket（3）Outside be hinged with upper pendulum bar（2）And draft link（11）, it is characterised in that：The L bracket（3）Bag
Include the long side arm and short side arm of vertical connection, the upper surface and lower surface of long side arm respectively with upper pendulum bar（2）And draft link（11）
Free end be hinged, the lower end of long side arm is hinged up a lower arm rod（9）, away from the upper pendulum bar on short side arm（2）One
End is hinged downwards a catch bar（4）, backboard（1）Lower end be hinged a poke rod（10）, poke rod（10）With the pin joint of backboard
Positioned at the outside of long side arm, L bracket（3）Inner side be located at backboard（1）Upper end set an outward opening cell body（6）, on
The upper end of armed lever is resisted against cell body（6）It is interior, upper armed lever（8）Upper end be provided with balance pressure spot（7）, upper armed lever（8）Lower end hinge
It is connected on lower arm rod（9）Middle top, catch bar（4）Lower end be resisted against poke rod（10）Outside and can be along poke rod（10）On
Lower movement, poke rod（10）Upper end be resisted against lower arm rod（9）Outside and can be moved up and down along lower arm rod, backboard（1）It is upper
In catch bar（4）Outside also set up a locating wheel being fixedly connected with backboard（5）, L bracket（3）Upper end set one with the back of the body
Plate（1）The back-moving spring being fixedly connected（17）.
2. single group according to claim 1 balances pressure type expansion bend, it is characterised in that：Catch bar（4）Lower end and dial
Lever（10）Upper end be respectively provided with a movable pulley.
3. single group according to claim 1 balances pressure type expansion bend, it is characterised in that：Draft link（11）With backboard（1）
One wheel hub is installed on the jointed shaft being connected（15）, wheel hub（15）Outside be nested with a driving gear（13）, driving gear（13）
Outside engage a driven gear（12）, the driving gear（13）Including wheel rim, the inner side of wheel rim is provided with ratchet（16）, wheel rim
Outside be provided with and driven gear（12）The gear teeth being engaged, wheel hub（15）Outside pass through torsion spring install a ratchet（14）, institute
State ratchet（14）With the ratchet on the inside of wheel rim（16）It is engaged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720422729.7U CN206634995U (en) | 2017-04-21 | 2017-04-21 | Single group balances pressure type expansion bend |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720422729.7U CN206634995U (en) | 2017-04-21 | 2017-04-21 | Single group balances pressure type expansion bend |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206634995U true CN206634995U (en) | 2017-11-14 |
Family
ID=60246249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720422729.7U Expired - Fee Related CN206634995U (en) | 2017-04-21 | 2017-04-21 | Single group balances pressure type expansion bend |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206634995U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021077957A1 (en) * | 2019-10-21 | 2021-04-29 | 深圳创维－Rgb电子有限公司 | Roll-up type display device and intelligent terminal |
-
2017
- 2017-04-21 CN CN201720422729.7U patent/CN206634995U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021077957A1 (en) * | 2019-10-21 | 2021-04-29 | 深圳创维－Rgb电子有限公司 | Roll-up type display device and intelligent terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171114 Termination date: 20180421 |