CN207477253U - Collapsible leg support mechanism and thing to sit on - Google Patents
Collapsible leg support mechanism and thing to sit on Download PDFInfo
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- CN207477253U CN207477253U CN201720588415.4U CN201720588415U CN207477253U CN 207477253 U CN207477253 U CN 207477253U CN 201720588415 U CN201720588415 U CN 201720588415U CN 207477253 U CN207477253 U CN 207477253U
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- frame
- leg support
- support mechanism
- drive rod
- seat frame
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- 210000003734 kidney Anatomy 0.000 claims description 10
- 239000004677 Nylon Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 11
- 238000003466 welding Methods 0.000 description 4
- 230000003796 beauty Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012356 Product development Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
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- 208000012802 recumbency Diseases 0.000 description 1
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Abstract
The utility model discloses a kind of collapsible leg support mechanism and thing to sit on, including：Seat frame；Leg rest frame is pivotally connected to seat frame and can be pivoted between folding position and expanded position relative to seat frame；In folding position, leg rest frame is arranged below seat frame and at an acute angle with seat frame；It is substantially coplanar in expanded position leg rest frame and seat frame；Operating unit, the drive shaft including being arranged on the first pivot axis rear, be parallel to first pivot axis and be rotatably mounted in seat frame and：Actuator, for drive shaft to be driven to rotate；First slider-crank mechanism and the first drive rod, the first slider-crank mechanism in response to the drive shaft rotation, and drive the first drive rod with drive leg rest frame from fold and expanded position in a position be moved to another position.The leg rest driving of the utility model is using slider-crank mechanism, and smoothly, bearing capacity is strong for motion ratio, and scope of activities is small during the motion.
Description
Technical field
The utility model is related to technical fields such as leisure chaise longue, Leisure Sofa, office chairs, more particularly to a kind of collapsible leg support
Mechanism and thing to sit on.
Background technology
Chair be for it is artificial make, study when the office furniture that is seated, office worker, which is seated for a long time after office, can feel tired
Labor, in order to alleviate work fatigue, office worker be seated office duration it is longer after be required for relax.Traditional office chair
All it is to be made of backrest, seat cushion and sustainable chair leg, backrest, seat cushion position are all relatively-stationary, can not be lain for people
Lower rest.Office worker, which usually requires in addition to purchase the furniture for being suitble to lie down, could realize the office that is seated, recumbency rest, but this
Sample needs to occupy office space space, and the office for being not suitable for narrow space uses.
Based on the above problem, some chairs with leg rest rest gradually appear, leg rest portion by various modes with chair
It rolls into one, than if any a kind of chair with leg support frame or leg rest frame, which can be in extended position and folding
It is overturn between position；However, leg support frame is basically perpendicular to seat frame at folding position, that is, inwardly collapse inadequate, institute
With when leg support frame is in folding position, the leg of user can touch leg support frame, this may lead to discomfort；In addition, work as
At folding position, leg support frame hampers the cleaning of the downside of chair；When besides leg support frame is unfolded or folds
It is more laborious.
Utility model content
The purpose of this utility model is to overcome the deficiency in the presence of the above-mentioned prior art, provide it is a kind of fold,
Expansion is more laborsaving, and the collapsible leg support mechanism of maximum angle folding, the leg support mechanism packet can be carried out to leg rest frame
Include the leg rest frame being pivotally connected with seat frame, the leg rest frame in expanded position in front of seat frame and the two
Substantially it is on the same face；And leg rest frame downwardly turns over more than 90 degree around pivoting point and is in seat frame finally when folding
Acute angle is even close to parallel, in this way when not making leg rest in use, human leg will not touch leg rest frame, and shape is seen
Get up more beautiful, the floor cleaning below portions will not be by any obstruction；Furtherly, the driving of leg rest frame is using bent
Handle slide block mechanism, the arm of force of crank connecting link is longer, more effortless, and motion ratio is smoothly, and bearing capacity is strong, long lifespan；It is transporting
Scope of activities is small during dynamic, can be completely encased by inside Soft Roll, can both realize beauty, traditional scissors angle will not occurs
The risk of clamp hand.
Technical solution is used by the utility model realizes its purpose of utility model：
A kind of collapsible leg support mechanism, including：
Base frame unit, including the seat frame with seat frame；
Leg rest frame is pivotally connected to the seat frame and can surround the first pivot relative to the seat frame
Shaft axis pivots between folding position and expanded position；In the folding position, the leg rest frame is arranged on the portions
It is below frame and at an acute angle with the seat frame；In the expanded position, wherein the leg rest frame and the portions frame
Frame is substantially on the same face；
Operating unit, the drive shaft including being arranged on the first pivot axis rear are parallel to described first and pivot
Axis and be rotatably mounted in the seat frame and：
Actuator, for drive shaft to be driven to be rotated around center axis；
First slider-crank mechanism and the first drive rod, first slider-crank mechanism is in response to the rotation of the drive shaft
Turn, and drive the first drive rod with drive the leg rest frame from fold and expanded position in a position be moved to folding and
Another position in expanded position.
Preferably, the actuator is operating lever, the operating lever is connected to one end of the drive shaft.It uses
Person is in use, can drive operating lever and rotate, so as to which drive shaft turns be driven to realize the folding and expansion of leg rest frame, use
It is convenient, it is easy to operate, it is at low cost.
Preferably, first slider-crank mechanism include the first crank, first connecting rod and the first sliding block, first
One end of crank is fixedly connected with drive shaft, and the both ends of first connecting rod are hinged respectively with the other end of the first crank, the first sliding block,
Guide rod is provided in seat frame, first sliding block is slidably matched with guide rod；The both ends of first drive rod respectively with
First sliding block, leg rest frame articulation.Leg rest frame type of drive uses slider-crank mechanism, during the motion scope of activities
It is small, it can be completely encased by inside Soft Roll, can both realize beauty, the risk that traditional scissors angle clamp hand will not occur.And
Because the arm of force of crank connecting link is longer, operation is more effortless.
Preferably, the cross section of guide rod is circle.With Cylindrical Surfaces Contact between guide rod sliding block, frictional resistance is small, fortune
Smoothly, bearing capacity is strong for dynamic ratio, long lifespan.
Preferably, first sliding block includes the nonmetallic sliding part being socketed with guide rod, the nonmetallic cunning
U-clamp plate is surrounded by outside moving part, first connecting rod, the first drive rod are hinged with U-clamp plate.First sliding block is divided into two parts, one
Divide and be hinged with first connecting rod, the first drive rod, another part is wrapped up and is slidably matched with guide rod, rational in infrastructure, is respectively played
Respective effect.
Preferably, the nonmetallic sliding part is nylon or rubber block.
Preferably, it further includes in folding and expansion to the compression spring of power-assisted.Compression spring compares tension spring low manufacture cost,
Long lifespan.
Two opposite supporting plates are spaced preferably, further including, the both ends of supporting plate are connected with seat frame, two
Cross bar is connected between a supporting plate, compression spring is arranged between cross bar and drive shaft, and engaging lug is fixedly installed in drive shaft, pressure
One end of spring is hinged by bulb and engaging lug, and the other end of compression spring is hinged by bulb and cross bar.
Because drive shaft needs to be fixedly connected with the components such as the first crank, generally by the mode of welding, if using driving
Axis is first directly threaded through the mode welded again on axle bed plate, then can lead to that weld size is inaccurate, and production efficiency is than relatively low；As
It is preferred that further including there are two C-shaped baffle, the drive shaft is erected on two axle bed plates, the axle bed plate and portions frame
Frame is fixedly linked, and axle bed plate is equipped with the notch connected with axle bed edges of boards edge, and notch inner end forms axis hole, and drive shaft is put along notch
After entering in axis hole, C-shaped baffle blocks drive shaft and closes notch, while is fixedly linked be bonded with axle bed plate again after.Using in this way
Mode, can first be welded, after being then placed on axle bed plate, then be locked by C-shaped baffle limiting on the driving shaft；Adopt
Screw assembles after being welded with first module, modularization is realized, conducive to the control of integrated artistic precision.
Preferably, the lower support element elasticity bascule includes the multiple resilient slotteds set side by side, the bullet
Property one end for connect with lower support element of fluting equipped with deforming arc slot.
Preferably, the leg rest frame includes the first frame, the second frame, the first frame is matched with the slip of the second frame
It closes, and attachment device is equipped between the first frame and the second frame, and attachment device is in response to the movement of the first drive rod；
When leg rest frame is unfolded, the first frame is slided and is extended outwardly relative to the second frame, the first frame when leg rest frame folds
It slides relative to the second frame and inwardly retracts.Attachment device links with the first slider-crank mechanism, the first drive rod, the
One frame and the second frame substantially generate relative motion in the same plane；When making expansion, leg rest frame can elongate, to human body
Leg carries out enough supports；And when folding, the first frame in inside linear retraction to the second frame, does not occupy additionally empty again
Between.
Preferably, the first drive rod both ends respectively with the first slider-crank mechanism, the second frame articulation, the connection
Device includes second connecting rod, the second sliding block and the second drive rod, and one end of second connecting rod on the first drive rod close to first with driving
Lever and the position of the second frame articulation point are hinged, and the other end of second connecting rod is hinged with the second sliding block, second sliding block
Sliding rail with being arranged on the second frame is slidably matched；Second drive rod is connect with the second frame member, and the second drive rod two
End respectively with the second sliding block, the first frame articulation.Above structure is employed, i.e., determines track using Double-sliding rail mechanism, is being controlled
Gap between mechanism member processed is relatively easy, so more firm in the deployed state；Attachment device and the first slide crank simultaneously
Block mechanism, the first drive rod realize linkage, simplify driving structure to a certain extent, so that leg rest frame is in the same of expansion
When, the first frame can synchronize extension outward again, elongate the entire length of leg rest frame.
Preferably, the other end of second connecting rod is hinged with the second sliding block by the first axis pin, it is equipped on sliding rail along the
The flat recess of two sliding block glide directions setting, first axis pin are plugged in flat recess.First axis pin is inserted in flat recess
It is limited, the second sliding block is made to be slided along sliding rail.
Preferably, the support plate extended in the second frame is provided in the second frame, the second drive rod and support
Plate is rotatablely connected by the second axis pin.The both ends of second drive rod are rotated around the second axis pin.
Preferably, one end of the second drive rod is hinged with the second sliding block by third axis pin；Third axis pin and second drives
Lever either second slides one in the block and is connected and is slided in the second drive rod or second and in the block kidney-shaped is equipped on another
Slot, the third axis pin are plugged in kidney slot.Second sliding block is moved along sliding rail, and is passed through third axis pin and stirred the second driving
Bar rotates.
Preferably, the other end of the second drive rod is hinged with the first frame by the 4th axis pin；4th axis pin and second
One in drive rod or the first frame is connected, and is equipped with kidney-shaped on another in the second drive rod or the first frame
Hole, the 4th axis pin are plugged in kidney slot.Second drive rod rotate when, further through the 4th axis pin stir the first frame to
It is interior or be displaced outwardly.
A kind of thing to sit on, including back frame and collapsible leg support mechanism as described above, the back frame connecting seat
Portion's frame.
Employing the design starting point, theory and advantageous effect of the utility model of above-mentioned technical proposal is：
1. the leg rest of the utility model, which drives, uses slider-crank mechanism, with Cylindrical Surfaces Contact, friction between guide rod sliding block
Resistance is small, and smoothly, bearing capacity is strong for motion ratio, long lifespan；Scope of activities is small during the motion, can be completely encased by Soft Roll
Inside can both realize beauty, the risk of traditional scissors angle clamp hand will not occur.Crank connecting link is realizing phase with double leval jib
In the case of same effect, the arm of force of crank connecting link is longer, more effortless.
2. the leg support mechanism of the utility model is fabricated to during unfolded using compression spring power-assisted, compression spring compared to tension spring
This low, long lifespan.
3. the leg support mechanism of the utility model makes track more determining using Double-sliding rail mechanism, between control machine component
Gap is relatively easy, so more firm in the on-state.
4. the utility model can first carry out the welding of the components such as crank on the driving shaft, after being then placed on axle bed plate,
It is locked again by C-shaped baffle limiting；It is assembled using screw after first module welding, modularization is realized, conducive to integrated artistic essence
The control of degree.
5. the leg rest driving of the utility model is using crank block, thus it is possible to vary the length of crank to adapt to various chassis,
Reach that 95% part is identical, greatly reduce the cost of product development, realize finished product modularization.
Description of the drawings
Fig. 1 is stereoscopic-state schematic diagram of the utility model leg support mechanism in unfolded state；
Fig. 2 is the stereoscopic-state schematic diagram of the utility model leg support mechanism in a folded configuration；
Fig. 3 is schematic diagram of the leg support mechanism when that will be unfolded；
Fig. 4 is the status diagram of leg support mechanism another angle upon deployment；
Fig. 5 is the status diagram of leg support mechanism another angle upon deployment；
Fig. 6 is the A portions enlarged drawing of Fig. 5；
Fig. 7 is the structure diagram of the second slider-crank mechanism；
Fig. 8 is the structure diagram of another angle of the second slider-crank mechanism；
Fig. 9 is the schematic diagram of leg support mechanism another angle when that will be unfolded；
Figure 10 is the status diagram of leg support mechanism another angle upon deployment；
Figure 11 is the mounting structure schematic diagram of drive shaft；
Figure 12 is the mounting plane structure diagram of drive shaft.
Specific embodiment
The technical solution of the utility model is described in further detail below by specific embodiment and with reference to attached drawing.
Embodiment：In the embodiment shown in Fig. 1~12, a kind of collapsible leg support mechanism, including：
Base frame unit, including the seat frame with seat frame 1；Seat frame 1 has substantially quadrilateral structure；
Leg rest frame 2, is pivotally connected to the seat frame 1 and can be relative to the seat frame 1 around the
One pivot axis 3 pivots between folding position and expanded position；As shown in Fig. 2, in the folding position, the leg rest frame
2 are arranged on 1 lower section of the seat frame and at an acute angle with the seat frame 1；In the expanded position, such as Fig. 1,4,5,10
It is shown, wherein the leg rest frame 2 is substantially on the same face with the seat frame 1；
Operating unit, the drive shaft 4 including being arranged on 3 rear of the first pivot axis, is parallel to first pivot
Shaft axis 3 and be rotatably mounted in the seat frame 1 and：
Actuator, for drive shaft 4 to be driven to be rotated around center axis；Specifically, the actuator is operation
Bar 5, the operating lever is connected to one end of the drive shaft, and operating lever 5 is approximately perpendicular to drive shaft 4 and sets.
First slider-crank mechanism 6 and the first drive rod 44, first slider-crank mechanism 6 is in response to the drive shaft
4 rotation, and the first drive rod 44 is driven so that the leg rest frame 2 to be driven to be moved from a position in folding and expanded position
To another position in folding and expanded position.
Specifically, first slider-crank mechanism 6 includes the first crank 7,8 and first sliding block 9 of first connecting rod,
First crank 7,8 and first sliding block 9 of first connecting rod are to be arranged in pairs, and one end of the first crank 7 and the welding of drive shaft 4 are solid
Fixed, the both ends of first connecting rod 8 are hinged with the other end of the first crank 7, the first sliding block 9 respectively, and guiding is provided in seat frame 1
Bar 10, first sliding block 9 are slidably matched with guide rod 10；The both ends of first drive rod 44 respectively with the first sliding block 9, leg rest
Frame 2 is hinged.
It is fixed in seat frame 1 and is spaced opposite first crossbeam 11, second cross beam 12, guide rod 10 has a straight section
13 and the curved segment 14 at 13 both ends of straight section is located at, two curved segments 14 connect first crossbeam 11, second cross beam 12, the first sliding block 9 respectively
It is slidably matched with the straight section 13 of guide rod 10；It further says, the cross section of guide rod 10 is circle, as shown in Fig. 2, described
First sliding block 9 includes the nonmetallic sliding part 15 being socketed with guide rod 10, and the nonmetallic sliding part 15 is nylon or rubber
Block；It is surrounded by U-clamp plate 16 outside the nonmetallic sliding part 15, the center of first connecting rod 8 is between U-clamp plate 16 and and U
Clevis plate 16 is hinged.First connecting rod 8, the first drive rod 44 are hinged with U-clamp plate 16
As shown in Fig. 1,11,12, the drive shaft 4 is erected on two axle bed plates 17, the axle bed plate 17 and
One crossbeam 11 is fixedly linked and basically perpendicular to first crossbeam 11, and axle bed plate 17 is equipped with what is connected with 17 lateral edge of axle bed plate
Notch 18,18 inner end of notch form axis hole 19, further include there are two C-shaped baffle 20, drive shaft 4 is put into along notch 18 in axis hole 19
Afterwards, C-shaped baffle 20 blocks drive shaft 4 and closes notch 18, while is screwed be bonded with axle bed plate 17 again after connected.
The leg support mechanism of the present embodiment is further included in folding and expansion to the compression spring of power-assisted 21；Specifically, such as
Fig. 1, it shown in 3, further includes and is spaced two opposite supporting plates 22, the both ends of supporting plate 22 connect second cross beam 12, driving respectively
Axis 4 is connected with cross bar 23 between two supporting plates 22, and compression spring 21 is arranged between cross bar 23 and drive shaft 4, in drive shaft 4
Engaging lug 24 is fixedly installed, one end of compression spring 21 is hinged with engaging lug 24 by the first bulb 25, and the other end of compression spring 21 leads to
It is hinged with cross bar 23 to cross the second bulb 26；First bulb 25, the second bulb 26 are respectively connected with sleeve 27, two casings
27 are in compression spring 21 and connect together, and the first bulb 25, the second bulb 26 are respectively connected to 21 both ends of compression spring.
It further says, the leg rest frame 2 includes the first frame 28, the second frame 29, the first frame 28, the second frame
Frame 29 is that substantially quadrilateral structure, the first frame 28 is slidably matched, and the first frame 28 and the second frame with the second frame 29
Attachment device 30 is equipped between frame 29, and attachment device 30 is in response to the movement of the first drive rod 44；It is unfolded in leg rest frame 2
When the first frame 28 slide and extend outwardly relative to the second frame 29, when leg rest frame 2 folds the first frame 28 relative to
Second frame 29 is slided and is inwardly retracted.
First drive rod, 44 both ends are hinged with the first slider-crank mechanism 6, the second frame 29 respectively, specifically, first
One end of drive rod 44 and the first sliding block 9 in the first slider-crank mechanism 6 are hinged, and the attachment device 30 includes second and connects
Bar 33, the second sliding block 34 and the second drive rod 32, one end of second connecting rod 33 and the first drive rod close on the first drive rod 44
44 are hinged with the position of 29 hinge joint of the second frame, and the other end of second connecting rod 33 and the second sliding block 34 are hinged, and described second
Sliding block 34 is slidably matched with the sliding rail 35 being arranged on the second frame 29；Second drive rod 32 is rotatablely connected with the second frame 29,
And 32 both ends of the second drive rod are hinged with the second sliding block 34, the first frame 28 respectively；Specifically, it is equipped in the second frame 29
The support plate 38 extended in towards the second frame 29, the second drive rod 32 are rotatablely connected with support plate 38 by the second axis pin 39.
As shown in Figure 7,8, the other end of second connecting rod 33 and the second sliding block 34 are hinged by the first axis pin 36, in sliding rail 35
The flat recess 37 set along 34 glide direction of the second sliding block is equipped with, first axis pin 36 is plugged in flat recess 37.
Further say, to enable the second drive rod 32 that the first frame 28 to be driven to slide freely, the second drive rod 32
One end is hinged by third axis pin 40 with the second sliding block 34；In 40 and second drive rod 32 of third axis pin or the second sliding block 34
One is connected, and kidney slot is equipped on another in the second drive rod 32 or the second sliding block 34, the third axis pin
40 are plugged in kidney slot 41；The other end of second drive rod 32 and the first frame 28 are hinged by the 4th axis pin 42；4th pin
Axis 42 is connected with one in the second drive rod 32 or the first frame 28, and in the second drive rod 32 or the first frame 28
Another is equipped with kidney slot 43, and the 4th axis pin 42 is plugged in kidney slot 43.
The present embodiment separately provides a kind of thing to sit on, it includes back frame (not shown) and collapsible leg support as described above
Mechanism, back frame connection seat frame.It is placed in seat frame and leg rest frame and fixes the soft packing materials such as cushion
Material form seat, people is sitting in seat frame, can hand operating lever, driving drive shaft rotation, make drive the first crank block machine
Structure moves, and then the first sliding block is driven to slide, and as shown in Fig. 3,9, the first sliding block slides and drives the movement of the first drive rod again, and then
Leg rest frame is made to be opened around seat frame to overturning in front of portions, meanwhile, the first frame extends outwardly again along the second frame, makes to put
Leg lengths of frame is enough to support human leg, and final unfolded state is as shown in Fig. 1,4,10；When needing to fold leg rest frame, instead
The hand operating lever in direction, leg rest frame downwards and are turned over around seat frame, while the first frame is along the second frame to interior lines
Property movement retract, end-state is as shown in Figure 2.
Claims (16)
1. a kind of collapsible leg support mechanism, it is characterised in that including：
Base frame unit, including the seat frame with seat frame；
Leg rest frame is pivotally connected to the seat frame and can surround the first pivotal axis relative to the seat frame
Line pivots between folding position and expanded position；In the folding position, the leg rest frame is arranged on the seat frame
Lower section and at an acute angle with the seat frame；In the expanded position, wherein the leg rest frame and the seat frame are big
Cause is on the same face；
Operating unit, the drive shaft including being arranged on the first pivot axis rear, is parallel to first pivot axis
And be rotatably mounted in the seat frame and：
Actuator, for drive shaft to be driven to be rotated around center axis；
First slider-crank mechanism and the first drive rod, first slider-crank mechanism in response to the drive shaft rotation,
And the first drive rod is driven so that the leg rest frame to be driven to be moved to folding and exhibition from a position in folding and expanded position
Another position in open position.
2. collapsible leg support mechanism according to claim 1, it is characterised in that：The actuator is operating lever, described
Operating lever be connected to one end of the drive shaft.
3. collapsible leg support mechanism according to claim 1, it is characterised in that：First slider-crank mechanism includes
First crank, first connecting rod and the first sliding block, one end of the first crank are fixedly connected with drive shaft, the both ends point of first connecting rod
It is not hinged with the other end of the first crank, the first sliding block, guide rod is provided in seat frame, first sliding block is with being oriented to
Bar is slidably matched；The both ends of first drive rod respectively with the first sliding block, leg rest frame articulation.
4. collapsible leg support mechanism according to claim 3, it is characterised in that：The cross section of guide rod is circle.
5. collapsible leg support mechanism according to claim 3, it is characterised in that：First sliding block includes and guide rod
The nonmetallic sliding part of socket, is surrounded by U-clamp plate outside the nonmetallic sliding part, and first connecting rod, the first drive rod are and U-shaped
Clamping plate is hinged.
6. collapsible leg support mechanism according to claim 5, it is characterised in that：The nonmetallic sliding part for nylon or
Rubber block.
7. collapsible leg support mechanism according to claim 1, it is characterised in that：Further included in folding and expansion to
The compression spring of power-assisted.
8. collapsible leg support mechanism according to claim 7, it is characterised in that：It further includes and is spaced two opposite stents
Plate, the both ends of supporting plate are connected with seat frame, and cross bar is connected between two supporting plates, and compression spring is arranged on cross bar with driving
Between moving axis, engaging lug is fixedly installed in drive shaft, one end of compression spring is hinged by bulb and engaging lug, the other end of compression spring
It is hinged by bulb and cross bar.
9. collapsible leg support mechanism according to claim 1, it is characterised in that：C-shaped baffle there are two further including, it is described
Drive shaft is erected on two axle bed plates, and the axle bed plate is fixedly linked with seat frame, and axle bed plate is equipped with and axle bed plate
The notch of edge connection, notch inner end form axis hole, and after drive shaft is put into along notch in axis hole, C-shaped baffle blocks drive shaft simultaneously
Notch is closed, while is fixedly linked be bonded with axle bed plate again after.
10. collapsible leg support mechanism according to claim 1, it is characterised in that：The leg rest frame includes the first frame
Frame, the second frame, the first frame are slidably matched with the second frame, and connection dress is equipped between the first frame and the second frame
It puts, and attachment device is in response to the movement of the first drive rod；When leg rest frame is unfolded, the first frame is relative to the second frame
It slides and extends outwardly, the first frame is slided relative to the second frame and inwardly retracted when leg rest frame folds.
11. collapsible leg support mechanism according to claim 10, it is characterised in that：First drive rod both ends are respectively with first
Slider-crank mechanism, the second frame articulation, the attachment device include second connecting rod, the second sliding block and the second drive rod, the
One end of two connecting rods is hinged with the position close to the first drive rod and the second frame articulation point on the first drive rod, second connecting rod
The other end is hinged with the second sliding block, and second sliding block is slidably matched with the sliding rail being arranged on the second frame；Second driving
Bar is connect with the second frame member, and the second drive rod both ends respectively with the second sliding block, the first frame articulation.
12. collapsible leg support mechanism according to claim 11, it is characterised in that：The other end of second connecting rod and second is slided
Block is hinged by the first axis pin, and the flat recess set along the second sliding block glide direction, first axis pin are equipped on sliding rail
It is plugged in flat recess.
13. collapsible leg support mechanism according to claim 11, it is characterised in that：Second is provided in the second frame
The support plate extended in frame, the second drive rod are rotatablely connected with support plate by the second axis pin.
14. collapsible leg support mechanism according to claim 11, it is characterised in that：It is slided with second one end of second drive rod
Block is hinged by third axis pin；Third axis pin slides one in the block with the second drive rod or second and is connected, and in the second driving
Bar or in the block another of the second cunning are equipped with kidney slot, and the third axis pin is plugged in kidney slot.
15. collapsible leg support mechanism according to claim 11, it is characterised in that：The other end of second drive rod and first
Frame is hinged by the 4th axis pin；4th axis pin is connected with one in the second drive rod or the first frame, and in the second driving
Another in bar or the first frame is equipped with kidney slot, and the 4th axis pin is plugged in kidney slot.
16. a kind of thing to sit on, it is characterized in that the collapsible leg support including back frame and as described in claim 1 to 15 any one
Mechanism, back frame connection seat frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720588415.4U CN207477253U (en) | 2017-05-10 | 2017-05-10 | Collapsible leg support mechanism and thing to sit on |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720588415.4U CN207477253U (en) | 2017-05-10 | 2017-05-10 | Collapsible leg support mechanism and thing to sit on |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207477253U true CN207477253U (en) | 2018-06-12 |
Family
ID=62484104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720588415.4U Expired - Fee Related CN207477253U (en) | 2017-05-10 | 2017-05-10 | Collapsible leg support mechanism and thing to sit on |
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| Country | Link |
|---|---|
| CN (1) | CN207477253U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108634651A (en) * | 2018-06-22 | 2018-10-12 | 杨丹 | A kind of pneumatic calf of adjustable electric and foot support device |
| CN109393818A (en) * | 2018-11-21 | 2019-03-01 | 重庆延锋安道拓汽车部件系统有限公司 | Electric functions sofa |
| CN113784643A (en) * | 2019-04-03 | 2021-12-10 | 因诺泰克运动有限公司 | Seat bottom frame |
-
2017
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108634651A (en) * | 2018-06-22 | 2018-10-12 | 杨丹 | A kind of pneumatic calf of adjustable electric and foot support device |
| CN109393818A (en) * | 2018-11-21 | 2019-03-01 | 重庆延锋安道拓汽车部件系统有限公司 | Electric functions sofa |
| CN109393818B (en) * | 2018-11-21 | 2024-02-20 | 安道拓(重庆)汽车部件有限公司 | Electric functional sofa |
| CN113784643A (en) * | 2019-04-03 | 2021-12-10 | 因诺泰克运动有限公司 | Seat bottom frame |
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| CF01 | Termination of patent right due to non-payment of annual fee |