CN206468053U - New type auto folding electric stretches grandstand - Google Patents
New type auto folding electric stretches grandstand Download PDFInfo
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- CN206468053U CN206468053U CN201720104519.3U CN201720104519U CN206468053U CN 206468053 U CN206468053 U CN 206468053U CN 201720104519 U CN201720104519 U CN 201720104519U CN 206468053 U CN206468053 U CN 206468053U
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Abstract
The utility model is related to a kind of flexible grandstand of new type auto folding electric.Rumble seat on existing flexible grandstand can only be by manually falling or digging.For this, the utility model includes multilager base plate, riser and multiple seats are equipped with rear side of each laminar substrate, seat on each laminar substrate is fixed on a crossbeam, N number of fixed tank is provided with per laminar substrate rear portion, provided with fluting in the middle of each fixed tank, below the crossbeam is connected with N number of quarter butt, each quarter butt is hinged on the wall of fixed tank side by horizontally hinged axle, square tube is equipped with below each laminar substrate, in addition to the square tube of underlying substrate, lower surface is provided with cannelure after remaining square tube, and provided with a pair of horizontal rollers in each square tube, a pull bar is provided between two horizontal rollers, the pull bar protracts, its front end is hinged on the relevant position of the crossbeam or backrest.This new type auto folding electric stretch grandstand seat can auto-folder folding and unfolding, be widely used in TV broadcast, arenas, stadium, various rallies, in-situ match.
Description
Technical field
The utility model is related to a kind of flexible grandstand of new type auto folding electric.
Background technology
Tilting seat is mainly used in stretching on grandstand used in the fields such as gymnasium, conference hall, to save space, stretches
Grandstand when idle typically all can shrinkage layer poststack be covered up, the rumble seat on grandstand must folded flat, when
Stretched when using after grandstand expansion, seat thereon digs opening.
On existing flexible grandstand rumble seat to fall, dig mostly be by being accomplished manually.Manually waste time and energy, work effect
Rate is low.
Filed in Lingxian Body-Building Industry Co., Ltd., Shenzhen City 2015 year 08 month 06 day, Publication No. CN204970365 U,
Publication date disclosed a kind of chair turnover mechanism for the Chinese utility model of on 01 20th, 2016, but the chair turnover mechanism
The gas spring 3 of cushioning effect can be played by only increasing one, can only play a part of reducing noise, gas spring 3 is different from driving
Take offence cylinder, passive cushioning effect can only be played, it is impossible to drive seat to fold.
Utility model content
The technical problems to be solved in the utility model is that the above-mentioned blank for how filling up prior art is stretched there is provided a kind of utilize
The Telescopic of contracting grandstand in itself is automatically performed the flexible grandstand of new type auto folding electric that rumble seat fell and dug action.
After grandstand, including M laminar substrates in order to solve the above technical problems, this new type auto folding electric stretches, each laminar substrate
Side is equipped with riser, and bottom-up is respectively to be all provided with the first laminar substrate, the second laminar substrate ... M laminar substrates, every laminar substrate
There are multiple seats, above-mentioned seat includes backrest and base, and the base is hinged fixation, and can be in adapted spring or Action of Gravity Field
Under, fold, abut on backrest, in addition to the first laminar substrate, each laminar substrate bottom is equipped with flute profile slide rail, in addition to M layers of riser,
Roller group is equipped with the relevant position of each layer riser, first layer base plate bottom is provided with castor, by caster support on the ground,
It is erected in the roller group of underlying substrate, is existed on rear side of M laminar substrates by upright supports by flute profile slide rail on front side of remaining substrate
On ground, supported on the ground by the pillar of foot wheel on rear side of remaining substrate, the first laminar substrate is provided with motor, the drive
Dynamic motor drives all or part of castor of the first laminar substrate, by dragging the first laminar substrate, so as to successively dragging each laminar substrate,
It is characterized in that：Seat on each laminar substrate is fixed on a crossbeam, and N number of fixed tank, Mei Gegu are provided with per laminar substrate rear portion
Determine provided with fluting in the middle of tank, below the crossbeam is connected with N number of quarter butt, above-mentioned quarter butt is corresponded with fixed tank, each quarter butt one
End is perpendicularly fixed on crossbeam, and the other end is stretched into correspondence fluting, and is hinged fixation, all level hinges by a horizontally hinged axle
Spindle axis is overlapped, in addition to the first laminar substrate, is equipped with the square tube for being provided with cannelure, and each square tube and is set below each laminar substrate
Have and a pull bar is provided between a pair of horizontal rollers, two horizontal rollers, pull bar extension, its front end is hinged on the crossbeam or backrest
On relevant position, when stop before underlying substrate is moved forward to relative to top substrate layer, the lucky row of horizontal roller in its top substrate layer
The front end of cannelure is proceeded to, the pull bar being connected with above-mentioned horizontal roller draws the seat on the crossbeam and crossbeam on the underlying substrate
Rise, the backrest on the underlying substrate is holded up；When being moved after the underlying substrate is relative to top substrate layer, with the underlying substrate
Crossbeam or the connected pull bar of backrest and horizontal roller are also moved afterwards, and the seat collapsed forward on crossbeam and crossbeam, wherein M is more than 2
Positive integer, N are the positive integer more than 1.
When first laminar substrate stretches, when the first laminar substrate extends to stretching, extension latter stage, pull bar below the second laminar substrate by its
On crossbeam and the seat pull-up on crossbeam；When second laminar substrate extends to stretching, extension latter stage, the pull bar below third layer substrate will
The seat pull-up ... on crossbeam and crossbeam thereon by that analogy, deploys, the seat on each laminar substrate until each laminar substrate is whole
Chair is all pulled up.
Conversely, when the laminar substrate of grandstand first bounces back, the first laminar substrate seat was fallen automatically；When the grandstand second layer is retracted
When, the seat on the second laminar substrate fell automatically ... by that analogy.It is so designed that, utilizes the Telescopic of flexible grandstand in itself
It is automatically performed rumble seat and fell and dug action, without separately matching somebody with somebody motor or drive cylinder, simple in construction, cost is low, fortune
Row is reliable, energy-conserving and environment-protective.
As optimization, the quarter butt lower rearward side is hollow, and provided with a Horizontal lock fixed pole, is additionally provided with the fixed tank
" V " font hook plate, is somebody's turn to do " V " font hook plate lower end and is hinged fixation, and provided with spring, " V " font hook plate rear side upper end is provided with pinch roller,
Upper end is provided with hook backward on front side of " V " font hook plate, when certain laminar substrate is fully deployed, " V " font hook in adjacent fixation tank
The pinch roller of plate is released, and square block chair back is holded up thereon, and " V " font hook plate is inverted under springback effect, its front side upper end
Hook, be hooked in Horizontal lock fixed pole, so as to locking seat, when " V " font hook plate on certain laminar substrate bounces back to top substrate layer
During lower section, the pinch roller of " V " font hook plate is pressurized, and the hook of its front side upper end departs from the seat on Horizontal lock fixed pole, crossbeam and crossbeam
Before or after top substrate layer is encountered, fallen under gravity.
After each laminar substrate stretching, extension is finished, its " V " font hook plate fixed on tank is released, the fastener of " V " font hook plate
In Horizontal lock fixed pole, the quarter butt, crossbeam and seat are locked.It is so designed that, locking mechanism is simple, and wear-resistant, operation can
Lean on.
As optimization, through hole is provided with the fixation tank on M laminar substrates, above-mentioned through hole center superposition, above-mentioned through hole is worn
Provided with a dismountable securing rod, the locking pole spacing on front side of the quarter butt or " V " font hook plate, or the quarter butt or
Lock hole is provided with " V " font hook plate, the securing rod is located in lock hole or is stuck in the middle of " V " font hook plate, so as to inciting somebody to action
Backrest on M laminar substrates is locked in vertical state.It is so designed that, plugs securing rod, can locks on M laminar substrates
Seat, extracts securing rod out, easily the seat in top layer substrate can fall.
As optimization, torque spring is additionally provided with the horizontally hinged axle of quarter butt, the torque spring pushes up quarter butt, makes horizontal stroke
Beam tends to vertically together with seat thereon.It is so designed that, pull bar work can be mitigated with the weight of partial offset seat and crossbeam
When pulling force.
As optimization, it also includes expansion order unlocking mechanism, and the expansion order unlocking mechanism includes M-2 lever hook machine
Structure, M-1 driving lever and M-1 peg, M-1 driving lever are separately positioned on the first laminar substrate to M-1 laminar substrate lower rears
On relevant position；M-1 peg is separately positioned on the relevant position on rear side of below M laminar substrates, each lever hook mechanism bag
Preceding lever, connecting rod, lever hook back-moving spring and lever hook are included, M-2 lever hook mechanism is separately positioned on the second laminar substrate to
The lower section of M-1 laminar substrates, wherein the fulcrum of preceding lever is hinged on the lower section of counterpart substrate, it is by dialling on the arm of force and underlying substrate
Bar correspondence, and can be triggered in stop before underlying substrate is reached and stretched by driving lever, it is hinged on its force arm with connecting rod front end, connecting rod
Rear end be hinged on lever hook by the arm of force, the fulcrum of lever hook is hinged on the relevant position on rear side of below counterpart substrate, and
Corresponding with the peg in top substrate layer, the force arm of lever hook is provided with a hook, and the hook, can be multiple in lever hook to hit hook
It is hooked under the spring effect of position on corresponding peg.
It is so designed that, before certain laminar substrate is projected forwardly to during stop, the lever hook mechanism of driving lever triggering top substrate layer below,
It (is exactly specifically, that driving lever is drawn by touching the preceding lever below top substrate layer, drivening rod by connecting rod to unlock top substrate layer
Dynamic lever hook, makes lever hook depart from corresponding peg, unlocks top substrate layer, and top substrate layer enters extensible state)；Equally work as
When certain laminar substrate bounces back to rear stop, the collision of hook on its lever hook or it is hooked on corresponding peg, so that by this layer of base
Plate is locked in top substrate layer.
As optimization, the lever hook back-moving spring is to be fixed with vertical rod on rear side riser below extension spring, counterpart substrate, should
Extension spring one end is fixed in vertical rod, and the other end is directly or indirectly fixed on connecting rod.It is so designed that, resetting structure is simple, operation
Reliably.
The flexible grandstand of this new type auto folding electric, rumble seat is automatically performed using the Telescopic of flexible grandstand in itself
Action was fallen and dug, without separately matching somebody with somebody motor or drive cylinder, with simple in construction, cost is low, reliable, energy-saving ring
Protect, advantage firmly, conveniently, steady smooth, be widely used in TV broadcast, arenas, stadium, various rallies, in-situ match.
Brief description of the drawings
The grandstand that stretched below in conjunction with the accompanying drawings to this new type auto folding electric is described further：
Fig. 1 is that this new type auto folding electric stretches grandstand fully collapsed condition structural representation (in omission top layer substrate
Seat)；
Fig. 2 is the stereogram of fixed tank, quarter butt, Horizontal lock fixed pole and " V " font hook plate；
Fig. 3 is the schematic front view that tank, quarter butt are fixed shown in Fig. 2；
Fig. 4 is the schematic top plan view of mechanism shown in Fig. 2；
Fig. 5 is half-sectional structural representation of the mechanism shown in Fig. 2 along vertical plane cutting；
Fig. 6 is the schematic perspective view of square tube, crossbeam, pull bar and mechanism shown in Fig. 2；
Fig. 7 is the stretching, extension that starts of the flexible grandstand of this new type auto folding electric, the stretching of the first laminar substrate, first layer seat quilt
The schematic diagram of pull-up；
Fig. 8 is that the seat of the flexible grandstand of new type auto folding electric shown in Fig. 7 is picked up completely, and locked signal
Figure；
Fig. 9 is the further stretching, extension of the flexible grandstand of this new type auto folding electric, and the second laminar substrate stretches out, second layer seat
The schematic diagram being pulled up；
Figure 10 is that this new type auto folding electric stretches after being fully deployed of grandstand, the first laminar substrate retraction, " V " font hook
Plate is unlocked, the schematic diagram that the seat on the first laminar substrate gradually falls；
Figure 11 is the further retraction of the flexible grandstand of this new type auto folding electric, the second laminar substrate retraction, " V " font hook
Plate is unlocked, the schematic diagram that the seat on the second laminar substrate gradually falls；
Figure 12 is the locking schematic diagram of the seat of the flexible grandstand top layer substrate of this new type auto folding electric；
Figure 13 is the signal of the locking of the driving lever, lever hook mechanism and peg of the flexible grandstand of this new type auto folding electric
Figure；
Figure 14 is the signal of the unblock of the driving lever, lever hook mechanism and peg of the flexible grandstand of this new type auto folding electric
Figure.
In figure：1 it is substrate, 2 be riser, 3 be castor, 4 be seat, 41 be backrest, 42 be base, 5 be crossbeam, 6 is solid
Determine tank, 7 be quarter butt, 8 be horizontally hinged axle, 9 be square tube, 10 be cannelure, 11 be horizontal roller, 12 be pull bar, 13 be level
Securing rod, 14 be " V " font hook plate, 15 be spring, 16 be pinch roller, 17 be the front side upper end of " V " font hook plate 14 provided with backward
Hook, 18 be through hole, 19 be securing rod, 20 be torque spring, 21 be the block of longitudinal front of the slot, 22 be driving lever, 23 be peg, 24
It is connecting rod for preceding lever, 25,26 be lever hook back-moving spring, 27 be lever hook, 28 be hook, 29 be vertical rod, 30 is stringer board, 31
For column.
Embodiment
Embodiment one：As shown in figs. 1-11, the flexible grandstand of this new type auto folding electric includes M laminar substrates 1, each layer base
The rear side of plate 1 is equipped with riser 2, and bottom-up is respectively the first laminar substrate 1, the second laminar substrate 1 ... M laminar substrates 1, every layer of base
Be equipped with multiple seats 4 on plate 1, above-mentioned seat 4 includes backrest 41 and base 42, the base 42 is hinged fixation, and can with
With under spring or Action of Gravity Field, folding, abut on backrest 41.In addition to the first laminar substrate 1, each bottom of laminar substrate 1 is equipped with groove
Shape slide rail, in addition to M layers of riser 2, is equipped with roller group, the bottom of the first laminar substrate 1 is provided with pin on the relevant position of each layer riser 2
Wheel, remaining front side of substrate 1 are erected in the roller group of underlying substrate by caster support on the ground by flute profile slide rail.M
The rear side of laminar substrate 1 is supported on the ground by column 31, and remaining rear side of substrate 1 is supported on the ground by the pillar of foot wheel,
First laminar substrate 1 is provided with motor (not shown), and the motor drives all or part of pin of the first laminar substrate 1
Wheel, by dragging the first laminar substrate 1, so as to successively dragging each laminar substrate 1.
Seat 4 on each laminar substrate 1 is fixed on a crossbeam 5, and N number of fixed tank 6 is provided with per the rear portion of laminar substrate 1.
Provided with fluting in the middle of each fixed tank 6, the lower section of crossbeam 5 is connected with N number of quarter butt 7, above-mentioned quarter butt 7 and fixed tank 6
Correspond, each one end of quarter butt 7 is perpendicularly fixed on crossbeam 5, the other end is stretched into correspondence fluting, and horizontally hinged by one
Axle 8 is hinged fixation, and the axis of all horizontally hinged axles 8 is overlapped, in addition to the first laminar substrate 1, and each lower section of laminar substrate 1, which is equipped with, to be provided with
Provided with a pair of horizontal rollers 11 in the square tube 9 of cannelure 10, and each square tube 9, a pull bar 12 is provided between two horizontal rollers 11, should
Pull bar 12 is protracted, and its front end is hinged on the relevant position of the crossbeam 5 or backrest 41, when underlying substrate 1 is relative to upper strata base
Before plate 1 is moved forward to during stop, the horizontal roller 11 in its top substrate layer 1 marches to the front end of cannelure 10 just, with above-mentioned level
The connected pull bar 12 of roller 11 is by the pull-up of seat 4 on the crossbeam 5 and crossbeam 5 on the underlying substrate 1, the seat on the underlying substrate 1
Chair back 41 is holded up.When being moved after the underlying substrate 1 is relative to top substrate layer 1, crossbeam 5 or the phase of backrest 5 with the underlying substrate
Pull bar 12 and horizontal roller 11 also move afterwards, the collapsed forward of seat 4 on crossbeam 5 and crossbeam 5, N takes 3, M to take 4 in Figure 12, certainly
It will be appreciated by those skilled in the art that, the desirable any positive integers more than 2 of M, the desirable any positive integers more than 1 of N, slightly.
As shown in Fig. 2 the lower rearward side of quarter butt 7 is hollow, and it is provided with a Horizontal lock fixed pole 13, the fixed tank 6
" V " font hook plate 14 is additionally provided with, the lower end of " V " font hook plate 14 is somebody's turn to do and is hinged fixation, and be provided with after spring 15, " V " font hook plate 14
Side upper end is provided with pinch roller 16, and the front side upper end of " V " font hook plate 14 is adjacent when certain laminar substrate 1 is fully deployed provided with hook 17 backward
Fixation tank in the pinch roller of " V " font hook plate be released, the backrest 41 of square block chair 4 is holded up thereon, and " V " font hook plate 14 is in bullet
Inverted under the rebound effect of spring 15, the hook 17 of its front side upper end is hooked in Horizontal lock fixed pole 13, so as to locking seat 4, when certain
When " V " font hook plate 14 on laminar substrate 1 bounces back to 1 lower section of top substrate layer, the pinch roller 16 of V " the fonts hook plate 14 is pressurized, before it
The seat 4 that the hook 17 of side upper end departs from Horizontal lock fixed pole 13, crossbeam 5 and crossbeam 5 was fallen under gravity；Or touching
To after top substrate layer, fallen under gravity.
As shown in Fig. 2 " V " the font hook plate 14 has two panels, the two ends of pinch roller 16 are separately fixed at.
As shown in figure 12, it is provided with through hole 18 on the fixation tank 6 on M laminar substrates 1, the above-mentioned center superposition of through hole 18, on
State through hole and be equipped with a dismountable securing rod 19, the securing rod 19 is kept off in the front side of quarter butt 7 or " V " font hook plate 14
Lock hole is provided with front side, or the quarter butt 7 or " V " font hook plate 14, the securing rod 19 is located in lock hole or card
In the middle of " V " font hook plate 14, so as to the backrest 41 of the seat 4 on M laminar substrates 1 is locked in into vertical state.
As in Figure 3-5, torque spring 20 is additionally provided with the horizontally hinged axle 8 of quarter butt 7, the torque spring 20 is by quarter butt 7
Push up, crossbeam 5 is tended to vertically together with seat 4 thereon.
This new type auto folding electric stretch grandstand its also include expansion order unlocking mechanism, the expansion order unlocking mechanism
Including M-2 lever hook mechanism, M-1 driving lever 22 and M-1 peg 23, M-1 driving lever 22 is separately positioned on the first laminar substrate 1
(driving lever is plate-like in Figure 13,14, naturally it is also possible to be shaft-like, angle on to the relevant position of the lower rear of M-1 laminar substrates 1
Steel or other shapes).
M-1 peg 23 be separately positioned on the relevant position on rear side of the lower section of M laminar substrates 1 (in Figure 13,14, peg 23
It is fixed on column 31, naturally it is also possible to be fixed on other fixed bits on rear side of the lower section of M laminar substrates 1, slightly), each lever
Hook mechanism includes preceding lever 24, connecting rod 25, lever hook back-moving spring 26 and lever hook 27, and M-2 lever hook mechanism is set respectively
In the second laminar substrate 1 to the lower section of M-1 laminar substrates 1, wherein the fulcrum of preceding lever 24 is hinged on the lower section of counterpart substrate 1, its
It is corresponding with the driving lever 22 on underlying substrate by the arm of force, and can be triggered in stop before underlying substrate 1 is reached and stretched by driving lever 22, its
Be hinged on force arm with the front end of connecting rod 25, the rear end of connecting rod 25 be hinged on lever hook 27 by the arm of force, the fulcrum hinge of lever hook 27
It is connected on the relevant position on rear side of the lower section of counterpart substrate 1 that (in Figure 13,14, the fulcrum of lever hook 27 is hinged on correspondence riser
On angle steel, when can also be fixed on rear side of counterpart substrate on the pillar of foot wheel), and it is corresponding with the peg 23 in top substrate layer 1,
The force arm of lever hook 27 can be hooked provided with a hook 28, the hook 28 to hit hook under lever hook action of reset spring
On corresponding peg 23.
Before certain laminar substrate 1 is projected forwardly to during stop, the lever hook mechanism of the triggering top substrate layer 1 of driving lever 22 below, unblock
Top substrate layer 1 (is exactly specifically, that driving lever 22 passes through company by touching the preceding lever 24 below top substrate layer 1, drivening rod 25
The pull lever hook of bar 25, makes lever hook depart from corresponding peg 23, unlocks top substrate layer 1, and top substrate layer 1 enters extensible shape
State；Equally when certain laminar substrate 1 bounces back to rear stop, the hook 28 on its lever hook 27 collides or is hooked into corresponding peg 23
On, so that the laminar substrate 1 is locked in top substrate layer 1.
The rear portion of connecting rod 25 includes L plates, and the L plates include transverse slat and stringer board 30, and the connecting rod passes through the stringer board 30 and lever hook
27 be hinged by the arm of force, is fixed with vertical rod 29, the lever hook back-moving spring 26 is on the rear side riser of the lower section of counterpart substrate 1
Extension spring, the one end of extension spring 26 is fixed in vertical rod 26, and the other end is fixed on stringer board 30, if connecting rod 25 is directly hinged on certainly
Lever hook 27 by the arm of force, the other end of the extension spring can also be directly anchored on connecting rod 25.
Claims (6)
- Be equipped with riser on rear side of the grandstand 1. a kind of new type auto folding electric stretches, including M laminar substrates, each laminar substrate, from it is lower to Upper is respectively to be equipped with multiple seats, above-mentioned seat on the first laminar substrate, the second laminar substrate ... M laminar substrates, every laminar substrate Including backrest and base, the base is hinged fixation, and can fold, abuts on backrest under adapted spring or Action of Gravity Field, In addition to the first laminar substrate, each laminar substrate bottom is equipped with flute profile slide rail, in addition to M layers of riser, on the relevant position of each layer riser Roller group is equipped with, first layer base plate bottom is provided with castor, by caster support on the ground, and flute profile is passed through on front side of remaining substrate Slide rail is erected in the roller group of underlying substrate, on rear side of M laminar substrates by upright supports on the ground, logical on rear side of remaining substrate The pillar for crossing foot wheel is supported on the ground, and the first laminar substrate is provided with motor, and the motor drives the first laminar substrate All or part of castor, by dragging the first laminar substrate, so as to successively dragging each laminar substrate, it is characterised in that：Each laminar substrate On seat be fixed on a crossbeam, be provided with per laminar substrate rear portion in the middle of N number of fixed tank, each fixed tank provided with fluting, Below the crossbeam is connected with N number of quarter butt, and above-mentioned quarter butt is corresponded with fixed tank, and each quarter butt one end is perpendicularly fixed on crossbeam, The other end is stretched into correspondence fluting, and is hinged fixation by a horizontally hinged axle, and all horizontally hinged axle axis are overlapped, except first Outside laminar substrate, it is equipped with below each laminar substrate in the square tube for being provided with cannelure, and each square tube provided with a pair of horizontal rollers, two water A pull bar is provided between plain-barreled roll, the pull bar is protracted, and its front end is hinged on the relevant position of the crossbeam or backrest, when lower floor's base Before plate is moved forward to relative to top substrate layer during stop, the horizontal roller in its top substrate layer marches to the front end of cannelure just, with The connected pull bar of above-mentioned horizontal roller is by the seat pull-up on the crossbeam and crossbeam on the underlying substrate, the seat on the underlying substrate Backrest is holded up；When being moved after the underlying substrate is relative to top substrate layer, the pull bar being connected with the crossbeam or backrest of the underlying substrate Also moved afterwards with horizontal roller, the seat collapsed forward on crossbeam and crossbeam, wherein M is just whole more than 1 for the positive integer more than 2, N Number.
- The grandstand 2. new type auto folding electric as claimed in claim 1 stretches, it is characterised in that：In the quarter butt lower rearward side Sky, and provided with a Horizontal lock fixed pole, " V " font hook plate is additionally provided with the fixed tank, should " V " font hook plate lower end be hinged it is solid Determine, and provided with spring, " V " font hook plate rear side upper end is provided with pinch roller, " V " font hook plate front side upper end is provided with hook backward, when Certain laminar substrate is fully deployed, and the pinch roller of " V " font hook plate is released in adjacent fixation tank, and square block chair back is holded up thereon, " V " font hook plate is inverted under springback effect, the hook of its front side upper end, is hooked in Horizontal lock fixed pole, so as to locking seat Chair, when " V " font hook plate on certain laminar substrate is bounced back to below top substrate layer, the pinch roller of its " V " font hook plate is pressurized, before it Seat on the hook disengaging Horizontal lock fixed pole of side upper end, crossbeam and crossbeam is before or after top substrate layer is encountered, under gravity Fallen.
- The grandstand 3. new type auto folding electric as claimed in claim 1 stretches, it is characterised in that：Fixation on M laminar substrates Through hole, above-mentioned through hole center superposition are provided with tank, above-mentioned through hole is equipped with a dismountable securing rod, and the locking pole spacing exists On front side of the quarter butt or " V " font hook plate, or lock hole is provided with the quarter butt or " V " font hook plate, the securing rod is worn It is located in lock hole or is stuck in the middle of " V " font hook plate, so as to the backrest on M laminar substrates is locked in into vertical state.
- The grandstand 4. new type auto folding electric as claimed in claim 1 stretches, it is characterised in that：On the horizontally hinged axle of quarter butt Torque spring is additionally provided with, the torque spring pushes up quarter butt, crossbeam is tended to vertically together with seat thereon.
- The grandstand 5. new type auto folding electric as claimed in claim 1 stretches, it is characterised in that：It also includes expansion order solution Latch mechanism, the expansion order unlocking mechanism includes M-2 lever hook mechanism, M-1 driving lever and M-1 peg, M-1 driving lever point It is not arranged on the relevant position of M laminar substrate lower rears；M-1 peg is separately positioned on the second laminar substrate to M layers of base On relevant position on rear side of below plate, each lever hook mechanism includes preceding lever, connecting rod, lever hook back-moving spring and lever hook, M-2 lever hook mechanism is separately positioned on the second laminar substrate to the lower section of M-1 laminar substrates, wherein the fulcrum of preceding lever is hinged on The lower section of counterpart substrate, it is corresponding with the driving lever on underlying substrate by the arm of force, and can be in stop before underlying substrate is reached and stretched Triggered by driving lever, its force arm is hinged with connecting rod front end, rod rear end be hinged on lever hook by the arm of force, the fulcrum of lever hook It is hinged on the relevant position on rear side of below counterpart substrate, and it is corresponding with the peg in top substrate layer, on the force arm of lever hook Provided with a hook, the hook can be hooked on corresponding peg to hit hook under lever hook action of reset spring.
- The grandstand 6. new type auto folding electric as claimed in claim 5 stretches, it is characterised in that：The lever hook back-moving spring For extension spring, be fixed with vertical rod on rear side riser below counterpart substrate, the extension spring one end is fixed in vertical rod, the other end directly or Connect and be fixed on connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720104519.3U CN206468053U (en) | 2017-01-23 | 2017-01-23 | New type auto folding electric stretches grandstand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720104519.3U CN206468053U (en) | 2017-01-23 | 2017-01-23 | New type auto folding electric stretches grandstand |
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| Publication Number | Publication Date |
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| CN206468053U true CN206468053U (en) | 2017-09-05 |
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| CN201720104519.3U Active CN206468053U (en) | 2017-01-23 | 2017-01-23 | New type auto folding electric stretches grandstand |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109431142A (en) * | 2018-12-18 | 2019-03-08 | 梁左钰 | A kind of supporting leg device of low stool upper surface water removal |
| CN109441153A (en) * | 2018-12-13 | 2019-03-08 | 张旭 | Foldable auditorium module and its method |
-
2017
- 2017-01-23 CN CN201720104519.3U patent/CN206468053U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441153A (en) * | 2018-12-13 | 2019-03-08 | 张旭 | Foldable auditorium module and its method |
| CN109431142A (en) * | 2018-12-18 | 2019-03-08 | 梁左钰 | A kind of supporting leg device of low stool upper surface water removal |
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Inventor after: Song Zhongyi Inventor after: Zhang Zhirong Inventor before: Zhang Zhirong |
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| CB03 | Change of inventor or designer information |