CN107928223A - A kind of adjusting control mechanism for seat tray - Google Patents
A kind of adjusting control mechanism for seat tray Download PDFInfo
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- CN107928223A CN107928223A CN201711368668.1A CN201711368668A CN107928223A CN 107928223 A CN107928223 A CN 107928223A CN 201711368668 A CN201711368668 A CN 201711368668A CN 107928223 A CN107928223 A CN 107928223A
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- guide part
- locking piece
- price fixing
- piece
- guided way
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- 230000007246 mechanism Effects 0.000 title claims abstract description 32
- 230000001737 promoting effect Effects 0.000 claims description 2
- 230000009471 action Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 8
- 238000003780 insertion Methods 0.000 description 6
- 230000037431 insertion Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 4
- 230000003068 static effect Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 208000008035 Back Pain Diseases 0.000 description 1
- 206010008479 Chest Pain Diseases 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 206010041591 Spinal osteoarthritis Diseases 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 208000036319 cervical spondylosis Diseases 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 208000005801 spondylosis Diseases 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
Abstract
The invention discloses a kind of adjusting control mechanism for seat tray, including the price fixing for installing extensible member, it is rotationally connected with the Moving plate of price fixing, for driving Moving plate to rotate the torsional spring for making the angle between Moving plate and price fixing return to initial angle, lock hole is offered on the Moving plate side wall, the lock hole offers several along the rotary motion trace of Moving plate, on the price fixing locking piece has been in axial sliding connection along lock hole, the guided way for limitation locking part glide direction is provided with the price fixing, the guided way and price fixing are in along guided way axial restraint, one end is equipped with the driving mechanism for being used for driving locking piece to leave and be inserted into lock hole to the locking piece outwardly.Adjusted using the backrest elevation angle of above-mentioned seat tray, seat is provided suitable back support force for the people of various builds, improve usage comfort.
Description
Technical field
The present invention relates to office chair accessory, and in particular to a kind of adjusting control mechanism for seat tray.
Background technology
Currently, handle official business crowd office hours generally be more than eight hours, about 60% time was in chair to office crowd daily
On spend, due to sitting, along with unsound seat and incorrect sitting posture is used, cause 75% office seating to use
Crowd is in various degree with diseases such as cervical spondylosis, protrusion of lumber intervertebral disc, vertebra lateral bending, chest and back pains.
With the development of science and technology the improvement of people's living standards, healthy living is increasingly becoming emphasis of concern, health
The office chair for meeting body mechanics can effectively reduce the probability for suffering from above-mentioned disease, thus the comfortable office chair of health is to doing
Office attendants group seems increasingly important.
Although traditional chair bottom can realize the reclining function of backrest currently on the market, do not consider not
User with build is different to the demand of back support force, if smaller using constant supporting force, possible build
User think that backrest supporting force is too big, by not going down, and the larger user of build thinks that backrest supporting force is too small, supports
Power is inadequate.
The content of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of adjustment control for seat tray
Mechanism, using the seat adjustable backrest inclination angle of the adjusting control mechanism, so that the use for improving each idiotype user is comfortable
Degree.
To achieve the above object, the present invention provides following technical solution：
A kind of adjusting control mechanism for seat tray, including for installing the price fixing of extensible member, being rotationally connected with price fixing
Moving plate, the torsional spring for driving Moving plate rotation to make the angle between Moving plate and price fixing return to initial angle, the Moving plate side wall
On offer lock hole, the lock hole offers several along the rotary motion trace of Moving plate, axial along lock hole on the price fixing
Slidably connect locking piece, be provided with the guided way for limitation locking part glide direction on the price fixing, the guided way and
Price fixing is in along guided way axial restraint, and one end is equipped with for driving locking piece to leave and be inserted into lock hole the locking piece outwardly
Driving mechanism.
By using above-mentioned technical proposal, when backrest reclining need to be adjusted, locking piece edge can be driven to lead by driving mechanism
It is axially moved to rail, locking piece is left lock hole, Moving plate can be rotated relative to price fixing at this time, and then realize the tune of backrest reclining
Section.Drive locking piece to be inserted into corresponding lock hole after Moving plate is turned to proper angle, then by driving mechanism, and then make
Disk is fixed with respect to price fixing.That is, adjusted using the backrest elevation angle of above-mentioned seat tray, it can be various builds to make seat
People suitable back support force is provided, improve usage comfort.
The further setting of the present invention is：The driving mechanism includes being used to drive the execution of locking piece axially movable
Part, for driving executive item force-applying piece axially movable, for driving executive item to push against the resetting spring of force-applying piece, it is described to hold
Row part includes being used to promote locking piece to lead towards locking piece moves first towards the fitting that Moving plate moves and drive fitting
To part, the force-applying piece includes the second guide part and for driving the impeller that is moved towards executive item of the second guide part, and first
Guide part is inclined to set to form the first guide surface towards second guide part one end, and the second guide part is equipped with matches somebody with somebody with the first guide surface
The second guide surface closed, offer on the executive item or force-applying piece for make executive item and force-applying piece it is opposite be clamped it is circumferentially fixed
Card slot.
By using above-mentioned technical proposal, the second guide part is driven to be moved with respect to the first guide part by impeller, should
Movement is converted to the power that the first guide part of driving is moved towards fitting under the action of the first guide surface and the second guide surface, into
And make fitting promote locking piece to be moved towards Moving plate, it is embedded in lock hole, and then be relatively fixed Moving plate and price fixing.
At this time since the card of card slot is set, executive item and force-applying piece are relatively circumferentially fixed, therefore resetting spring pushes away locking piece and executive item
Power can not drive executive item towards back to one lateral movement of locking piece, make locking piece can steady lock in lock hole.
If needing to rotate Moving plate relative to price fixing again, only the second guide part need to be driven to be moved with respect to the first guide part again, made
Executive item or force-applying piece leave card slot.Locking piece and executive item can be under the action of resetting springs towards back to locking at this time
One lateral movement of hole, and then locking piece is left lock hole.
The further setting of the present invention is：The executive item is in cylindrical type and is connected to locking piece, second guide part
Several are circumferentially with along impeller, the impeller is in axial sliding connection in guided way along guided way and is oppositely oriented rail in week
To fixation, second guide part further includes the fixing piece for being fixedly connected on guided way inner wall, and the fixing piece is towards executive item
One end offers compensating tank along its axial direction, and the fixing piece is equipped with the 3rd guide part towards executive item one end along its axial restraint,
3rd guide part is circumferentially with several along fixing piece, forms card slot between adjacent 3rd guide part, and the described 3rd
Guide part is inclined to set the 3rd guide surface to be formed and can be abutted with the first guide surface with respect to executive item one end.
By using above-mentioned technical proposal, in original state, impeller is pressed, the second guide part is oriented to towards first
Part moves, and when the second guide part is moved towards the first guide part, the second guide surface has the first guide surface one motive force, from
And drive the first guide part to be moved towards locking piece, and then drive in locking piece insertion lock hole.First guide part is locked in direction
Determine part and move one end after, leave compensating tank, rotate and be embedded in card slot then along the 3rd guide surface, so that locking
Part is stably held in the state in insertion lock hole.
When backrest reclining need to be adjusted, impeller can be pressed again, the second guide part is driven the first guide part court again
Moved to locking piece, the first guide part is left card slot, locking piece promotes locking piece outwardly under the action of resetting spring at this time
And executive item, locking piece is left lock hole, you can to rotate Moving plate relative to price fixing.Work of first guide part in resetting spring at this time
Abut to the 3rd guide surface again under, and rotated along the 3rd guide surface, until it is embedded in holding tank again.
The further setting of the present invention is：First guide part is circumferentially with several along fitting.
By using above-mentioned technical proposal, the second guide part is driven to be moved towards locking piece so as to increase the first guide part
When with the contact point of the second guide part, and then make fitting multiple spot stress, in drive locking piece insertion lock hole that can be more stable.
The further setting of the present invention is：The executive item is in cylindrical type and is connected to locking piece, and the fitting is opposite
Guided way is in circumferentially fixed, and first guide part is fixedly connected on fitting outer wall and is equipped with several along fitting periphery,
The card slot is located at the first guide part towards second guide part one end, and the card slot and the second guide part are similar triangles.
By using above-mentioned technical proposal, impeller is rotated, rotates the second guide part, when the second guide part rotates,
Second guide surface has the first guide surface one motive force, so as to drive the first guide part to be moved towards locking piece, makes locking piece
It is inserted into lock hole.After the second guide part turns to certain angle, one end meeting of the first guide part of direction of the second guide part
In embedded card slot, so that locking piece is stably held in the state in insertion lock hole.
When backrest reclining need to be adjusted, impeller can be rotated again, the second guide part is turned again with respect to the first guide part
It is dynamic, the second guide part is left card slot, locking piece promotes locking piece and executive item outwardly under the action of resetting spring at this time, makes
Locking piece leaves lock hole, you can rotates Moving plate relative to price fixing.
The further setting of the present invention is：Second guide part is circumferentially with several along impeller.
By using above-mentioned technical proposal, the second guide part is driven to be moved towards locking piece so as to increase the first guide part
When with the contact point of the second guide part, and then make fitting multiple spot stress, in drive locking piece insertion lock hole that can be more stable.
The further setting of the present invention is：The resetting spring is separately set into first segment and second segment, the locking piece
On be fixedly installed abutting seat, the first segment and second segment are sheathed on locking piece both ends and are connected to respectively respectively abuts seat two
Side, the first segment are connected to price fixing, and the second segment is connected to executive item, and the coefficient of stiffiness of the first segment is less than second segment
The coefficient of stiffiness.
By using above-mentioned technical proposal, locking piece can have resetting spring one guiding role, reduce resetting spring
The probability of flexural deformation in compression process.The coefficient of stiffiness of first segment is smaller at the same time, therefore first segment can be more variable than second segment
Shape, then when promoting second segment by executive item, feedback can be more easy in the deformation of first segment by giving the pressure of resetting spring, be made
Locking piece can be moved smoothly towards Moving plate, and be inserted into lock hole.
The further setting of the present invention is：The guided way is rotationally connected with price fixing, and the pivot center of the guided way
With locking piece in being coaxially disposed, the pressing piece for being useful for pressing extensible member button, the guided way are rotatablely connected on the price fixing
Outer to be fixedly installed force auricle, described pressing piece one end is fed through force auricle and radially connects with force auricle in fixed
Connect.
By using above-mentioned technical proposal, when guided way rotates, force auricle can be driven to rotate, and then have to pressing piece
One driving force, can drive pressing piece to rotate.I.e. rotate guided way pressing piece can be driven to rotate, realize pressing piece press and pine
Open the action of extensible member button.The mechanism of the locking piece for locking backrest reclining and adjusting seat lifting is merged in a bar herein
On, make more convenient operation.
The further setting of the present invention is：Mounting rod is installed with the price fixing, the guided way is sheathed on installation
Bar is outer and is rotationally connected with mounting rod, offers rotation slot along its circumferential direction on the guided way, is threadedly coupled on the mounting rod
There is caging bolt, the caging bolt force side is embedded in rotation slot and is slidably connected to rotation slot.
By using above-mentioned technical proposal, the axial restraint of guided way and mounting rod is realized by caging bolt, makes to lead
It can be stably mounted to rail on mounting rod.At the same time again can make guided way with respect to mounting rod rotation, and then make guided way can drive by
Casting die rotates.
The further setting of the present invention is：The price fixing side wall offers guide groove along the movement locus of pressing piece one end,
Described pressing piece one end is fed through guide groove and is slidably connected to guide groove.
By using above-mentioned technical proposal, guide groove has pressing piece one spacing power, so as to make pressing piece more steady
It is fixed to be rotated according to both fixed tracks, and then realize the action for pressing and unclamping extensible member button.
The present invention has the following advantages：1st, adjustable backrest reclining, improves usage comfort；2nd, to the lock at backrest reclining angle
Fixed and to seat lifting adjusting is synthesized on a guided way, makes more convenient operation.
Brief description of the drawings
Fig. 1 is the structure diagram of embodiment one；
Fig. 2 is the structure diagram of embodiment one（It is mainly used for embodying extensible member）；
Fig. 3 is the structure diagram of extensible member in embodiment one；
Fig. 4 hides the structure diagram after base for embodiment one；
Fig. 5 hides the structure diagram after torsional spring, base for embodiment one；
Fig. 6 is the sectional view of embodiment one；
Fig. 7 is the sectional view of guided way and mounting rod in embodiment one；
Fig. 8 is the structure diagram of driving mechanism in embodiment one；
Fig. 9 is the structure diagram of embodiment one（It is mainly used for embodying guide groove）；
Figure 10 is the partial sectional view of embodiment two；
Figure 11 is the structure diagram of driving mechanism in embodiment two.
Reference numeral：1st, Moving plate；2nd, price fixing；3rd, base；4th, rotation axis；5th, guiding axis；6th, torsional spring；7th, lock hole；8th, lock
Determine part；9th, driving mechanism；10th, mounting rod；11st, guided way；12nd, rotation slot；13rd, caging bolt；14th, resetting spring；15th, perform
Part；16th, force-applying piece；17th, seat is abutted；18th, first segment；19th, second segment；20th, fitting；21st, the first guide part；22nd, first lead
To face；23rd, fixing piece；24th, impeller；25th, the second guide part；26th, compensating tank；27th, the 3rd guide part；28th, the 3rd guide surface；
29th, card slot；30th, the second guide surface；31st, pressing piece；32nd, guide groove；33rd, exert a force auricle；34th, extensible member.
Embodiment
The present invention will be further described referring to the drawings.
Embodiment one：
As depicted in figs. 1 and 2, a kind of adjusting control mechanism for seat tray, including Moving plate 1, price fixing 2 and base 3, Moving plate
1 is connected with the backrest on office chair, and price fixing 2 is connected with the extensible member 34 on office chair.Extensible member 34 can be air pressure rod（Extensible member
34 is as shown in Figure 3）.Base 3 is connected with the seat board of office chair.Moving plate 1 is rotationally connected with price fixing 2, and price fixing 2 is connected to base 3.It is logical
Cross and rotate elevation angle of the Moving plate 1 i.e. adjustable backrest with respect to seat board.
Be fixed with rotation axis 4 as shown in figure 4, being worn on Moving plate 1,4 both ends of rotation axis be each passed through 2 both sides side wall of price fixing and
It is rotationally connected with price fixing 2.Rotation axis 4 is in axially to be fixedly connected along it with price fixing 2, and then the rotation connection for making Moving plate 1 to stablize
In price fixing 2.Guiding axis 5 parallel to rotation axis 4 is installed on Moving plate 1.5 both ends of guiding axis both pass through Moving plate 1 and price fixing 2, lead
Price fixing 2 is slidably connected to axis 5.Torsional spring 6 is arranged with rotation axis 4,6 one end of torsional spring is connected to guiding axis 5 and the other end is fixed
It is connected to price fixing 2.When torsional spring 6 is in nature, backrest is in original state with respect to the angle of seat.
As shown in figure 5, offer lock hole 7 on 1 side wall of Moving plate, the rotary motion trace of lock hole 7 along Moving plate 1 offers some
It is a.As shown in fig. 6, being in axial sliding connection locking piece 8 along lock hole 7 on price fixing 2, one end is equipped with driving machine to locking piece 8 outwardly
Structure 9.After backrest is turned to suitable reclining angle, locking piece 8 is driven to be axially moved along it by driving mechanism 9, insertion locking
In hole 7, so that Moving plate 1 and price fixing 2 are fixed, and then fixed backrest reclining angle.
As shown in fig. 6, being installed with mounting rod 10 on price fixing 2, guided way 11, guided way 11 are arranged with outside mounting rod 10
Can limitation locking part 8 the direction of motion, it is ensured that locking piece 8 can be slided along its axially opposing price fixing 2.Guided way 11 is rotationally connected with
Mounting rod 10.As shown in fig. 7, offering rotation slot 12 along its circumferential direction on guided way 11, it is threaded with mounting rod 10 spacing
Bolt 13,13 force side of caging bolt are embedded in rotation slot 12 and are slidably connected to rotation slot 12.Caging bolt 13 makes installation
Bar 10 and guided way 11 make guided way 11 to stablize and are supplied to 8 spacing power of locking piece along its axial restraint.Caging bolt 13 only exists
Embodied in Fig. 7.
As shown in fig. 6, driving mechanism 9 is located in guided way 11, and include resetting spring 14, executive item 15 and force successively
Part 16.During work, executive item 15 is driven to move by force-applying piece 16, so as to promote locking piece 8 to move and be embedded in towards lock hole 7
In lock hole 7.Locking piece 8 is sprung back by resetting spring 14, leaves lock hole 7.
As shown in fig. 6, locking piece 8 and guided way 11 are in be coaxially disposed, and it is fixedly installed on locking piece 8 and abuts seat 17.
Resetting spring 14 is separately set into first segment 18 and second segment 19, and first segment 18 and second segment 19 are sheathed on 8 liang of locking piece respectively
Hold and be connected to respectively and abut 17 both sides of seat.First segment 18 is connected to price fixing 2, and second segment 19 is connected to executive item 15, first segment
18 coefficient of stiffiness is less than the coefficient of stiffiness of second segment 19.
As shown in Figure 6 and Figure 8, executive item 15 includes 20 and first guide part 21 of fitting, and fitting 20 is connected to second
Section 19 is back to 2 one end of price fixing, and fitting 20 is slidably connected to guided way 11.As shown in figure 8, the first guide part 21 is along guided way
11 axial settings, and it is fixedly connected on 20 outer wall of fitting.First guide part 21 is circumferentially with several around fitting 20.First
Guide part 21 is inclined to set to form the first guide surface 22 back to 8 one end of locking piece.
As shown in figure 8, force-applying piece 16 includes fixing piece 23,24 and second guide part 25 of impeller.Fixing piece 23 is embedded at
In guided way 11 and 11 inner wall of guided way is fixedly connected on, fixing piece 23 offers compensation towards 15 one end of executive item along its axial direction
Groove 26, compensating tank 26 are corresponding with 21 shape of the first guide part.Fixing piece 23 is fixed with the 3rd guiding towards 15 one end of executive item
Part 27, the 3rd guide part 27 are circumferentially with several along fixing piece 23.3rd guide part, 27 opposite 15 one end of executive item wherein one
Side side wall is inclined to set, and forms the 3rd guide surface 28, the 3rd guide surface 28 is parallel to the first guide surface 22.Adjacent 3rd is oriented to
Card slot 29 is formed between part 27.
As shown in figure 8, impeller 24 is in axial sliding connection in guided way 11 along guided way 11, and opposed fixed member 23 is in week
To fixation.Impeller 24 is pierced by outside guided way 11 back to 15 one end of executive item.Second guide part 25 is fixedly connected on impeller
24 towards 15 one end of executive item.Second guide part 25 is circumferentially with several along impeller 24.Second guide part 25 towards first
21 one end both sides side wall of guide part is inclined to set, and forms the second guide surface 30.There is one in two the second guide surfaces 30
Two guide surfaces 30 are parallel to the first guide surface 22.
As shown in Figure 6 and Figure 8, when locking piece 8 is in lock hole 7, resetting spring 14 is in compressive state, and first is oriented to
Part 21 is embedded in card slot 29, and the second guide surface 30 is connected to the first guide surface 22.If locking piece 8 need to be made to leave lock hole 7,
Impeller 24 need to be pressed, the second guide part 25 moves under the action of impeller 24 towards the first guide part 21, and then promotes the
One guide part 21 leaves card slot 29, and the first guide part 21 is subject to thrust of the resetting spring 14 to it towards force-applying piece 16 at this time, into
And the first guide surface 22 is connected to the 3rd guide surface 28, and rotate, and slipped into compensating tank 26 along the 3rd guide surface 28, then
Stabilization is embedded in compensating tank 26.During the first guide part 21 moves, fitting 20 is with 21 direction of the first guide part
Force-applying piece 16 moves, and resetting spring 14 loses spacing power of the fitting 20 to it, therefore locking piece 8 is under the action of resetting spring 14
Moved towards fitting 20, leave lock hole 7.Moving plate 1 can be rotated relative to price fixing 2 at this time, you can adjust the reclining of backrest.
After Moving plate 1 is turned to proper angle, impeller 24, work of second guide part 25 in impeller 24 are pressed again
Moved with lower the first guide part of direction 21, and then promote the first guide part 21 to leave compensating tank 26.Left in the first guide part 21
During compensating tank 26, fitting 20 moves, compression reseting spring 14 as the first guide part 21 is together towards locking piece 8,
Locking piece 8 is inserted into lock hole 7, is relatively fixed price fixing 2 and Moving plate 1.When impeller 24 is pushed to bottom, the second guide surface
30 and the 3rd guide surface 28 be generally aligned in the same plane.First guide part 21 is rotated in the case where resetting spring 14 is to its thrust, and
Moved along the second guide surface 30 and the 3rd guide surface 28, until being embedded in card slot 29.First guide part 21 opposite the at this time
Two guide parts 25 are static, i.e., executive item 15 is static with respect to force-applying piece 16, make being embedded in lock hole 7 for the stabilization of locking piece 8, make backrest
Reclining angle be stably fixed at adjust after angle.
As shown in figure 5, being rotatably connected to pressing piece 31 on price fixing 2, pressing piece 31 can be used for pressing 34 button of extensible member
Pressing piece 31.As shown in figs. 5 and 9, the movement locus of 2 side wall of price fixing along 31 one end of pressing piece offers guide groove 32, pressing
31 one end of part is through guide groove 32 and is slidably connected to guide groove 32.As shown in figure 9, it is fixedly installed force ear outside guided way 11
Piece 33,31 one end of pressing piece are in radially solid with force auricle 33 through one end of guide groove 32 through force auricle 33
Fixed connection.
When rotating guided way 11 relative to mounting rod 10, by the auricle 33 that exerts a force pressing piece 31 can be driven to rotate, so that real
The action of 34 button of extensible member is now pressed and unclamps, to adjust height of seat.
The principle of the adjusting control mechanism of the seat tray is as follows：
If backrest reclining need to be adjusted, force-applying piece 16 is pressed, force-applying piece 16 drives executive item 15 to be moved towards locking piece 8, makes to hold
Row part 15 and locking piece 8 can relatively rotate.Then the power to force-applying piece 16 is removed, executive item 15 and locking piece 8 are in resetting spring
Moved under the action of 14 towards force-applying piece 16, locking piece 8 is left lock hole 7, and then Moving plate 1 is rotated relative to price fixing 2, i.e.,
Adjustable backrest reclining angle.
Backrest reclining angle is adjusted to proper angle, presses force-applying piece 16 again, force-applying piece 16 drives 15 court of executive item
Moved to locking piece 8, then compression reseting spring 14, promote locking piece 8, locking piece 8 is embedded in lock hole 7.Work as force-applying piece
16 promote executive items 15 axially movable to after certain distance, and force-applying piece 16 and executive item 15 are circumferentially fixed, stablize locking piece 8
It is embedded in lock hole 7, and then is relatively fixed price fixing 2 and Moving plate 1, the angle for making tilting angle of backrest be maintained at after manual adjustment
Degree.
Embodiment two：
Difference lies in executive item 15 and force-applying piece 16 are different for embodiment two and embodiment one.As shown in Figure 10 and Figure 11, perform
Part 15 includes 20 and first guide part 21 of fitting, and force-applying piece 16 includes the second guide part 25 and force-applying piece 16.
As shown in figure 11, executive item 15 includes 20 and first guide part 21 of fitting.As shown in Figure 10, fitting 20 abuts
In second segment 19 back to 2 one end of price fixing, and fitting 20 is slidably connected to guided way 11.Fitting 20 is oppositely oriented rail 11 in week
To fixation.As shown in figure 11, the first guide part 21 is set along guided way 11 is axial, and is fixedly connected on 20 outer wall of fitting.The
One guide part 21 is circumferentially with several around fitting 20.First guide part 21 is inclined to set to be formed back to 8 one end of locking piece
First guide surface 22.First guide part 21 offers card slot 29 back to 20 one end of fitting, and card slot 29 is triangular in shape.
As shown in figure 11, force-applying piece 16 includes 24 and second guide part 25 of impeller.As shown in Figure 10, impeller 24 is along leading
It is in axial sliding connection to rail 11 in guided way 11, and impeller 24 can be oppositely oriented rail 11 and rotate.Impeller 24 is back to executive item
15 one end are pierced by outside guided way 11.As shown in figure 11, the second guide part 25 is fixedly connected on impeller 24 towards executive item 15
One end.Second guide part 25 is circumferentially with several along impeller 24.Second guide part 25 is in towards 21 one end of the first guide part
It is obliquely installed, forms the second guide surface 30.Second guide part 25 and card slot 29 are similar triangles.I.e. the second guide part 25 can be embedding
In card slot 29.
As shown in Figure 10 and Figure 11, when locking piece 8 is in lock hole 7, resetting spring 14 is in compressive state, and second leads
It is embedded to part 25 in card slot 29.If locking piece 8 need to be made to leave lock hole 7, need to rotate impeller 24, the second guide part 25 exists
Rotated under the action of impeller 24 relative to the first guide part 21, the second guide part 25 is left card slot 29.In the second guide part 25
After leaving card slot 29, the first guide part 21 and abutting bar can be moved towards force application rod, and it is right that resetting spring 14 loses fitting 20
Its spacing power, therefore locking piece 8 moves under the action of resetting spring 14 towards fitting 20, leaves lock hole 7.Moving plate at this time
1 can rotate relative to price fixing 2, you can adjust the reclining of backrest.
After Moving plate 1 is turned to proper angle, impeller 24, work of second guide part 25 in impeller 24 are rotated again
Rotated with lower relative to the first guide part 21, and then promote the first guide part 21 to be moved towards locking piece 8.At this time fitting 20 with
First guide part 21 is moved towards locking piece 8, and compression reseting spring 14, locking piece 8 is inserted into lock hole 7, is made price fixing 2 and is moved
Disk 1 is relatively fixed.After impeller 24 turns to certain angle, the second guide part 25 is embedded in card slot 29 again.At this time
One guide part, 21 opposite second guide part 25 is static, i.e., executive item 15 is static with respect to force-applying piece 16, makes being embedded in for the stabilization of locking piece 8
In lock hole 7, the reclining angle of backrest is set to be stably fixed at the angle after adjusting.
The above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art
Those of ordinary skill for, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of adjusting control mechanism for seat tray, it is characterized in that：Including for installing extensible member（34）Price fixing
（2）, be rotationally connected with price fixing（2）Moving plate（1）, for driving Moving plate（1）Rotation makes Moving plate（1）And price fixing（2）Between angle
Degree returns to the torsional spring of initial angle（6）, the Moving plate（1）Lock hole is offered on side wall（7）, the lock hole（7）Edge is dynamic
Disk（1）Rotary motion trace offer several, the price fixing（2）On along lock hole（7）It has been in axial sliding connection locking piece（8）,
The price fixing（2）On be provided with for limitation locking part（8）The guided way of glide direction（11）, the guided way（11）And price fixing
（2）In along guided way（11）Axial restraint, the locking piece（8）One end, which is equipped with, outwardly is used to drive locking piece（8）Leave and insert
Enter lock hole（7）Driving mechanism（9）.
2. a kind of adjusting control mechanism for seat tray according to claim 1, it is characterized in that：The driving mechanism
（9）Including for driving locking piece（8）Executive item axially movable（15）, for driving executive item（15）Axially movable
Force-applying piece（16）, for driving executive item（15）Push against force-applying piece（16）Resetting spring（14）, the executive item（15）Including
For promoting locking piece（8）Towards Moving plate（1）The fitting of movement（20）With drive fitting（20）Towards locking piece（8）Movement
The first guide part（21）, the force-applying piece（16）Including the second guide part（25）With for driving the second guide part（25）Direction
Executive item（15）The impeller of movement（24）, the first guide part（21）Towards the second guide part（25）One end is inclined to set to be formed
First guide surface（22）, the second guide part（25）Equipped with the first guide surface（22）The second guide surface coordinated（30）, it is described to hold
Row part（15）Or force-applying piece（16）On offer for making executive item（15）And force-applying piece（16）It is opposite to be clamped circumferentially fixed card
Groove（29）.
3. a kind of adjusting control mechanism for seat tray according to claim 2, it is characterized in that：The executive item
（15）In cylindrical type and it is connected to locking piece（8）, second guide part（25）Along impeller（24）Several are circumferentially with, institute
State impeller（24）Along guided way（11）It is in axial sliding connection in guided way（11）And it is oppositely oriented rail（11）In circumferentially fixed, institute
State the second guide part（25）Further include and be fixedly connected on guided way（11）The fixing piece of inner wall（23）, the fixing piece（23）Direction
Executive item（15）One end offers compensating tank along its axial direction（26）, the fixing piece（23）Towards executive item（15）One end is along its axis
To being fixed with the 3rd guide part（27）, the 3rd guide part（27）Along fixing piece（23）Several are circumferentially with, adjacent institute
State the 3rd guide part（27）Between form card slot（29）, the 3rd guide part（27）With respect to executive item（15）One end is inclined to be set
Put that to be formed can be with the first guide surface（22）The 3rd guide surface abutted（28）.
4. a kind of adjusting control mechanism for seat tray according to claim 3, it is characterized in that：Described first is oriented to
Part（21）Along fitting（20）It is circumferentially with several.
5. a kind of adjusting control mechanism for seat tray according to claim 2, it is characterized in that：The executive item
（15）In cylindrical type and it is connected to locking piece（8）, the fitting（20）It is oppositely oriented rail（11）In circumferentially fixed, described first
Guide part（21）It is fixedly connected on fitting（20）Outer wall and along fitting（20）Periphery is equipped with several, the card slot（29）Position
In the first guide part（21）Towards the second guide part（25）One end, and the card slot（29）With the second guide part（25）For similar three
It is angular.
6. a kind of adjusting control mechanism for seat tray according to claim 5, it is characterized in that：Described second is oriented to
Part（25）Along impeller（24）It is circumferentially with several.
7. a kind of adjusting control mechanism for seat tray according to claim 2, it is characterized in that：The resetting spring
（14）It is separately set into first segment（18）And second segment（19）, the locking piece（8）On be fixedly installed abutting seat（17）, it is described
First segment（18）And second segment（19）Locking piece is sheathed on respectively（8）Both ends and abutting seat is connected to respectively（17）Both sides, it is described
First segment（18）It is connected to price fixing（2）, the second segment（19）It is connected to executive item（15）, the first segment（18）Stubborn system
Number is less than second segment（19）The coefficient of stiffiness.
8. a kind of adjusting control mechanism for seat tray according to claim 1, it is characterized in that：The guided way
（11）It is rotationally connected with price fixing（2）, and the guided way（11）Rotation axis（4）Line and locking piece（8）It is described in being coaxially disposed
Price fixing（2）Upper rotation connection is useful for pressing extensible member（34）The pressing piece of button（31）, the guided way（11）Outer fixation is set
It is equipped with force auricle（33）, the pressing piece（31）One end is fed through force auricle（33）And with exert a force auricle（33）Radially
In being fixedly connected.
9. a kind of adjusting control mechanism for seat tray according to claim 8, it is characterized in that：The price fixing（2）
On be installed with mounting rod（10）, the guided way（11）It is sheathed on mounting rod（10）It is outer and be rotationally connected with mounting rod
（10）, the guided way（11）On along its circumferential direction offer rotation slot（12）, the mounting rod（10）On be threaded with it is spacing
Bolt（13）, the caging bolt（13）Force side is embedded at rotation slot（12）It is interior and be slidably connected to rotation slot（12）.
10. a kind of adjusting control mechanism for seat tray according to claim 1, it is characterized in that：The price fixing（2）
Side wall is along pressing piece（31）The movement locus of one end offers guide groove（32）, the pressing piece（31）One end is fed through guide groove
（32）And it is slidably connected to guide groove（32）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711368668.1A CN107928223A (en) | 2017-12-18 | 2017-12-18 | A kind of adjusting control mechanism for seat tray |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711368668.1A CN107928223A (en) | 2017-12-18 | 2017-12-18 | A kind of adjusting control mechanism for seat tray |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107928223A true CN107928223A (en) | 2018-04-20 |
Family
ID=61940722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711368668.1A Pending CN107928223A (en) | 2017-12-18 | 2017-12-18 | A kind of adjusting control mechanism for seat tray |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107928223A (en) |
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| CN208875762U (en) * | 2017-12-18 | 2019-05-21 | 浙江中威家具配件有限公司 | A kind of adjusting control mechanism for seat tray |
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|---|---|---|---|---|
| US5997093A (en) * | 1997-11-13 | 1999-12-07 | Gollin & Co., Inc. | Adjustable chair arm |
| JP2008206767A (en) * | 2007-02-27 | 2008-09-11 | Okamura Corp | Locking device of mobile member for chair |
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