CN208875762U - A kind of adjusting control mechanism for seat tray - Google Patents
A kind of adjusting control mechanism for seat tray Download PDFInfo
- Publication number
- CN208875762U CN208875762U CN201721778285.7U CN201721778285U CN208875762U CN 208875762 U CN208875762 U CN 208875762U CN 201721778285 U CN201721778285 U CN 201721778285U CN 208875762 U CN208875762 U CN 208875762U
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- China
- Prior art keywords
- guide part
- locking piece
- price fixing
- piece
- guided way
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- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The utility model discloses a kind of adjusting control mechanisms for seat tray, including the price fixing for installing extensible member, it is rotationally connected with the Moving plate of price fixing, the torsional spring for making the angle between Moving plate and price fixing be restored to initial angle for driving Moving plate to rotate, lock hole is offered on the Moving plate side wall, the lock hole offers several along the rotary motion trace of Moving plate, locking piece has been in axial sliding connection along lock hole on the price fixing, the guided way for limitation locking part glide direction is provided on the price fixing, the guided way and price fixing are in along guided way axial restraint, one end is equipped with for driving locking piece to leave and be inserted into the driving mechanism of lock hole the locking piece outwardly.It is adjustable using the backrest elevation angle of above-mentioned seat tray, make seat that can provide suitable back support force for the people of various figures, improves usage comfort.
Description
Technical field
The utility model relates to office chair accessories, and in particular to a kind of adjusting control mechanism for seat tray.
Background technique
Currently, handle official business office hours of crowd is generally greater than eight hours, and about 60% time was in chair to office crowd daily
On spend, since sitting causes 75% office seating to use along with unsound seat and incorrect sitting posture is used
Crowd suffers from the diseases such as cervical spondylosis, protrusion of lumber intervertebral disc, vertebra lateral bending, chest and back pain in various degree.
With the development of science and technology the improvement of people's living standards, healthy living is increasingly becoming emphasis concerned by people, health
The office chair for meeting body mechanics can be effectively reduced 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 be realized the reclining function of backrest currently on the market, there is no consider not
Demand of the user to back support force with figure is different, if possible figure is smaller using constant supporting force
User think that backrest supporting force is too big, by not going down, and the biggish user of figure thinks that backrest supporting force is too small, support
Power is inadequate.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of adjustings for seat tray
Control mechanism, using the seat adjustable backrest inclination angle of the adjusting control mechanism, to improve the use of each idiotype user
Comfort level.
To achieve the above object, the utility model provides following technical solution:
A kind of adjusting control mechanism for seat tray, including for installing extensible member price fixing, be rotationally connected with it is fixed
The Moving plate of disk, the torsional spring for making the angle between Moving plate and price fixing be restored to initial angle for driving Moving plate to rotate, the Moving plate
Lock hole is offered on side wall, the lock hole offers several along the rotary motion trace of Moving plate, along lock hole on the price fixing
It has been in axial sliding connection locking piece, the guided way for limitation locking part glide direction, the guiding are provided on the price fixing
Rail and price fixing are in along guided way axial restraint, and one end is equipped with for driving locking piece to leave and be inserted into locking the locking piece outwardly
The driving mechanism in hole.
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 made to leave lock hole, Moving plate can be rotated relative to price fixing at this time, and then realize the tune of backrest reclining
Section.It drives locking piece to be inserted into corresponding lock hole after Moving plate is turned to proper angle, then through driving mechanism, and then makes
Disk is fixed with respect to price fixing.That is, the backrest elevation angle using above-mentioned seat tray is adjustable, making seat can be various figures
People suitable back support force is provided, improve usage comfort.
The utility model is further arranged to: the driving mechanism includes for driving locking piece holding axially movable
Row part, for driving executive item force-applying piece axially movable, for driving executive item to push against the reset spring of force-applying piece, it is described
Executive item include fitting for pushing locking piece to move towards Moving plate and drive that fitting moves towards locking piece first
Guide part, the force-applying piece include the second guide part and the impeller for driving the second guide part to move towards executive item, and
One 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 and the first guide surface
Second guide surface of cooperation offers on the executive item or force-applying piece for keeping executive item and the opposite clamping of force-applying piece circumferential solid
Fixed card slot.
By using above-mentioned technical proposal, the second guide part is driven to move with respect to the first guide part by impeller, it 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 that locking piece be pushed to move towards Moving plate, it is embedded it in lock hole, and then keep Moving plate and price fixing relatively fixed.
At this time since the card of card slot is set, executive item and force-applying piece are relatively circumferentially fixed, therefore reset spring pushes away locking piece and executive item
Power can not drive executive item towards back to locking piece side move, 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 move 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 reset springs towards back to locking at this time
The movement of hole side, and then locking piece is made to leave lock hole.
The utility model is further arranged to: the executive item is in cylindrical type and is connected to locking piece, and described second leads
Several are circumferentially with along impeller to part, the impeller is in axial sliding connection in guided way along guided way and is oppositely oriented rail
In circumferentially fixed, second guide part further includes the fixing piece for being fixedly connected on guided way inner wall, and the fixing piece is towards holding
Row part one end offers compensating tank along its axial direction, and the fixing piece is oriented to along its axial restraint equipped with third towards executive item one end
Part, the third guide part are circumferentially with several along fixing piece, form card slot between the adjacent third guide part, and described
Three guide parts are inclined to set the third 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 the initial state, impeller is pressed, be oriented to the second guide part towards first
Part movement, when the second guide part is moved towards the first guide part, the second guide surface has a motive force to the first guide surface, from
And the first guide part is driven to move 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, leaves compensating tank, rotate and be embedded in card slot then along third guide surface, to make to lock
Part is stably held in the state in insertion lock hole.
When backrest reclining need to be adjusted, impeller can be pressed again, and the second guide part is made to drive the first guide part court again
It is moved to locking piece, the first guide part is made to leave card slot, locking piece pushes locking piece under the action of reset spring outwardly at this time
And executive item, so that locking piece is left lock hole, Moving plate can be rotated relative to price fixing.Work of first guide part in reset spring at this time
It abuts to third guide surface again under, and is rotated along third guide surface, until it is embedded in holding tank again.
The utility model is further arranged to: first guide part is circumferentially with several along fitting.
By using above-mentioned technical proposal, the second guide part is driven to move towards locking piece 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 utility model is further arranged to: the executive item is in cylindrical type and is connected to locking piece, the fitting
Rail is oppositely oriented in circumferentially fixed, first guide part is fixedly connected on fitting outer wall and is equipped with along fitting periphery several
A, 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 triangle
Shape.
By using above-mentioned technical proposal, impeller is rotated, rotates the second guide part, in the rotation of the second guide part,
Second guide surface has a motive force to the first guide surface, so that the first guide part of driving is 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
It is embedded in card slot, so that locking piece be made to be stably held in the state in insertion lock hole.
When backrest reclining need to be adjusted, impeller can be rotated again, turn the second guide part with respect to the first guide part again
It is dynamic, so that the second guide part is left card slot, locking piece pushes locking piece and executive item under the action of reset spring outwardly at this time, makes
Locking piece leaves lock hole, can rotate Moving plate relative to price fixing.
The utility model is further arranged to: second guide part is circumferentially with several along impeller.
By using above-mentioned technical proposal, the second guide part is driven to move towards locking piece 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 utility model is further arranged to: the reset spring split settings are at first segment and second segment, the lock
Determine to be fixedly installed abutting seat on part, the first segment and second segment are sheathed on locking piece both ends respectively and are connected to abutting respectively
Seat two sides, 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 the
Two sections of the coefficient of stiffiness.
By using above-mentioned technical proposal, locking piece can have a guiding role to reset spring, reduce reset spring
The probability of bending deformation in compression process.The coefficient of stiffiness of first segment is smaller simultaneously, therefore first segment can be more variable than second segment
Shape, then when pushing second segment by executive item, the pressure for giving reset spring can be easier to feed back in the deformation of first segment, make
Locking piece can be moved smoothly towards Moving plate, and be inserted into lock hole.
The utility model is further arranged to: the guided way is rotationally connected with price fixing, and the rotation of the guided way
Axis is arranged coaxially with locking piece, and the pressing piece for pressing extensible member button is rotatably connected on the price fixing, described to lead
Force auricle is fixedly installed to outside rail, described pressing piece one end is fed through force auricle and is radially in solid with force auricle
Fixed connection.
By using above-mentioned technical proposal, in guided way rotation, force auricle rotation can be driven, and then have to pressing piece
One driving force, can drive pressing piece to rotate.I.e. pressing piece rotation can be driven in rotation guided way, and realization pressing piece is pressed and pine
Open the movement of extensible member button.The locking piece for locking backrest reclining and the mechanism for adjusting seat lifting are merged in a bar herein
On, make more convenient operation.
The utility model is further arranged to: mounting rod is fixedly installed on the price fixing, the guided way is sheathed on
Mounting rod is outer and is rotationally connected with mounting rod, offers rotation slot, screw thread on the mounting rod along its circumferential direction on the guided way
It is connected with 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 on mounting rod to rail.Simultaneously again can make guided way with respect to mounting rod rotation, and then make guided way can drive by
Casting die rotation.
The utility model is further arranged to: motion profile of the price fixing side wall along pressing piece one end offers guiding
Slot, described pressing piece one end are fed through guide groove and are slidably connected to guide groove.
By using above-mentioned technical proposal, guide groove has a limit power to pressing piece, so as to keep pressing piece more steady
It is fixed to be rotated according to both fixed tracks, and then realize the movement for pressing and unclamping extensible member button.
The utility model has the advantage that 1, adjustable backrest reclining, improves usage comfort；2, to backrest reclining angle
Locking and to seat lifting adjusting be synthesized on a guided way, make more convenient operation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment one；
Fig. 2 is the structural schematic diagram (being mainly used for embodying extensible member) of embodiment one；
Fig. 3 is the structural schematic diagram of extensible member in embodiment one；
Fig. 4 is that embodiment one hides the structural schematic diagram after pedestal；
Fig. 5 is that embodiment one hides the structural schematic diagram after torsional spring, pedestal；
Fig. 6 is the cross-sectional view of embodiment one；
Fig. 7 is the cross-sectional view of guided way and mounting rod in embodiment one；
Fig. 8 is the structural schematic diagram of driving mechanism in embodiment one；
Fig. 9 is the structural schematic diagram (being mainly used for embodying guide groove) of embodiment one；
Figure 10 is the partial sectional view of embodiment two；
Figure 11 is the structural schematic diagram of driving mechanism in embodiment two.
Appended drawing reference: 1, Moving plate；2, price fixing；3, pedestal；4, rotation axis；5, guiding axis；6, torsional spring；7, lock hole；8, it locks
Determine part；9, driving mechanism；10, mounting rod；11, guided way；12, rotation slot；13, caging bolt；14, reset spring；15, it executes
Part；16, force-applying piece；17, seat is abutted；18, first segment；19, second segment；20, fitting；21, the first guide part；22, it first leads
To face；23, fixing piece；24, impeller；25, the second guide part；26, compensating tank；27, third guide part；28, third guide surface；
29, card slot；30, the second guide surface；31, pressing piece；32, guide groove；33, exert a force auricle；34, extensible member.
Specific embodiment
The utility model is described further referring to attached drawing.
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 pedestal 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 stretched for air pressure rod
Contracting part 34 is as shown in Figure 3).Pedestal 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 pedestal
3.It is elevation angle of the adjustable backrest with respect to seat board by rotation Moving plate 1.
Be fixed with rotation axis 4 as shown in figure 4, wearing on Moving plate 1,4 both ends of rotation axis be each passed through 2 two sides side wall of price fixing and
It is rotationally connected with price fixing 2.Rotation axis 4 is in be fixedly connected, and then make the rotation connection that Moving plate 1 can be stable along its axial direction with price fixing 2
In price fixing 2.Installation is parallel to the guiding axis 5 of rotation axis 4 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 in 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, offering lock hole 7 on 1 side wall of Moving plate, lock hole 7 offers several along the rotary motion trace of Moving plate 1
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, drive locking piece 8 along its axial movement, insertion locking by driving mechanism 9
In hole 7, to keep Moving plate 1 and price fixing 2 fixed, and then fixed backrest reclining angle.
As shown in fig. 6, being fixedly 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, limit is threaded on mounting rod 10
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 to install
Bar 10 and guided way 11 stablize guided way 11 can and be supplied to the limit power of locking piece 8 along its axial restraint.Caging bolt 13 only exists
It is embodied in Fig. 7.
It as shown in fig. 6, driving mechanism 9 is located in guided way 11, and successively include reset spring 14, executive item 15 and force
Part 16.When work, executive item 15 is driven to move by force-applying piece 16, so that locking piece 8 be pushed to move and be embedded in towards lock hole 7
In lock hole 7.Locking piece 8 is sprung back by reset spring 14, leaves lock hole 7.
As shown in fig. 6, locking piece 8 and guided way 11 are arranged coaxially, and it is fixedly installed on locking piece 8 and abuts seat 17.
14 split settings of reset spring are sheathed on 8 liang of locking piece at first segment 18 and second segment 19, first segment 18 and second segment 19 respectively
It holds and is connected to respectively and abut 17 two 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 that fitting 20 and the first guide part 21, fitting 20 are 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, impeller 24 and the second guide part 25.Fixing piece 23 is embedded at
In guided way 11 and it is fixedly connected on 11 inner wall of guided way, fixing piece 23 offers compensation along its axial direction towards 15 one end of executive item
Slot 26, compensating tank 26 are corresponding with 21 shape of the first guide part.Fixing piece 23 is fixed with third guiding towards 15 one end of executive item
Part 27, third guide part 27 are circumferentially with several along fixing piece 23.Third guide part 27 is with respect to 15 one end of executive item wherein one
Side side wall is inclined to set, and forms third guide surface 28, and third guide surface 28 is parallel to the first guide surface 22.Adjacent third guiding
Card slot 29 is formed between part 27.
As shown in figure 8, impeller 24 is in axial sliding connection along guided way 11 in 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 two 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, reset spring 14 is in compressive state, the first guiding
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 pushes the
One guide part 21 leaves card slot 29, at this time the first guide part 21 by reset spring 14 to it towards the thrust of force-applying piece 16, into
And the first guide surface 22 is connected to third guide surface 28, and rotates along third guide surface 28, and slides into compensating tank 26, then
Stabilization is embedded in compensating tank 26.During the movement of the first guide part 21, fitting 20 is with 21 direction of the first guide part
Force-applying piece 16 moves, and reset spring 14 loses fitting 20 to its limit power, therefore locking piece 8 is under the action of reset spring 14
It is moved towards fitting 20, leaves lock hole 7.Moving plate 1 can be rotated relative to price fixing 2 at this time, i.e. the reclining of adjustable backrest.
After Moving plate 1 is turned to proper angle, impeller 24, work of second guide part 25 in impeller 24 are pressed again
It is moved with lower the first guide part of direction 21, and then the first guide part 21 is pushed to leave compensating tank 26.It is 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, keeps price fixing 2 and Moving plate 1 relatively fixed.When impeller 24 is pushed to bottom, the second guide surface
30 and third guide surface 28 be generally aligned in the same plane.First guide part 21 is rotated in the case where reset spring 14 is to its thrust, and
It is moved along the second guide surface 30 and third 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 locking piece 8 is stable to be embedded in lock hole 7, 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, motion profile of 2 side wall of price fixing along 31 one end of pressing piece offers guide groove 32, pressing
31 one end of part passes through guide groove 32 and is slidably connected to guide groove 32.As shown in figure 9, being fixedly installed force ear outside guided way 11
Piece 33, one end that 31 one end of pressing piece passes through guide groove 32 pass through force auricle 33, and with force auricle 33 radially in solid
Fixed connection.
When rotating guided way 11 relative to mounting rod 10, pressing piece 31 can be driven to rotate by force auricle 33, thus real
The movement of 34 button of extensible member is pressed and unclamps, now 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 move towards locking piece 8,
Relatively rotate executive item 15 and locking piece 8 can.Then the power to force-applying piece 16 is removed, executive item 15 and locking piece 8 are resetting
It is moved under the action of spring 14 towards force-applying piece 16, so that locking piece 8 is left lock hole 7, and then make Moving plate 1 can be 2 turns with respect to price fixing
It moves, i.e. adjustable backrest reclining angle.
After backrest reclining angle is adjusted to proper angle, force-applying piece 16 is pressed again, and force-applying piece 16 drives 15 court of executive item
It is moved to locking piece 8, then compression reseting spring 14, pushes locking piece 8, locking piece 8 is embedded in lock hole 7.Work as force-applying piece
16 push 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 keeps price fixing 2 and Moving plate 1 relatively fixed, the angle after making tilting angle of backrest be maintained at manual adjustment
Degree.
Embodiment two:
The difference of embodiment two and embodiment one is that executive item 15 and force-applying piece 16 are different.As shown in Figure 10 and Figure 11,
Executive item 15 includes fitting 20 and the first guide part 21, 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 fitting 20 and the first guide part 21.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 along the axial setting of guided way 11, 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 impeller 24 and the second guide part 25.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 the rotation of rail 11.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 is similar triangles with card slot 29.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, reset spring 14 is in compressive state, and second leads
It is embedded in card slot 29 to part 25.If locking piece 8 need to be made to leave lock hole 7, rotation impeller 24 is needed, the second guide part 25 exists
It is rotated under the action of impeller 24 relative to the first guide part 21, the second guide part 25 is made to leave 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 reset spring 14 loses fitting 20
Its limit power, therefore locking piece 8 moves under the action of reset spring 14 towards fitting 20, leaves lock hole 7.Moving plate at this time
1 can rotate relative to price fixing 2, i.e. the reclining of adjustable backrest.
After Moving plate 1 is turned to proper angle, impeller 24, work of second guide part 25 in impeller 24 are rotated again
It is rotated with lower relative to the first guide part 21, and then the first guide part 21 is pushed to move towards locking piece 8.At this time fitting 20 with
First guide part 21 is moved towards locking piece 8, compression reseting spring 14, and 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 at again in card slot 29.At this time
Opposite second guide part 25 of one guide part 21 is static, i.e., executive item 15 is static with respect to force-applying piece 16, makes locking piece 8 is stable to be embedded in
In lock hole 7, the reclining angle of backrest is made to be stably fixed at the angle after adjusting.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (10)
1. a kind of adjusting control mechanism for seat tray, it is characterized in that: including the price fixing for installing extensible member (34)
(2), it is rotationally connected with the Moving plate (1) of price fixing (2), for driving Moving plate (1) rotation to make the angle between Moving plate (1) and price fixing (2)
Degree is restored to the torsional spring (6) of initial angle, offers lock hole (7) on Moving plate (1) side wall, and the lock hole (7) is along dynamic
The rotary motion trace of disk (1) offers several, has been in axial sliding connection locking piece (8) along lock hole (7) on the price fixing (2),
The guided way (11) for limitation locking part (8) glide direction, the guided way (11) and price fixing are provided on the price fixing (2)
(2) in along guided way (11) axial restraint, one end is equipped with for driving locking piece (8) to leave and insert the locking piece (8) outwardly
Enter the driving mechanism (9) of lock hole (7).
2. a kind of adjusting control mechanism for seat tray according to claim 1, it is characterized in that: the driving mechanism
It (9) include for driving locking piece (8) executive item (15) axially movable, for driving executive item (15) axially movable
Force-applying piece (16), the reset spring (14) for driving executive item (15) abutting force-applying piece (16), the executive item (15) include
Fitting (20) for pushing locking piece (8) to move towards Moving plate (1) and fitting (20) is driven to move towards locking piece (8)
The first guide part (21), the force-applying piece (16) include the second guide part (25) and for drive the second guide part (25) direction
The impeller (24) of executive item (15) movement, the first guide part (21) are inclined to set to be formed towards the second guide part (25) one end
First guide surface (22), the second guide part (25) is equipped with the second guide surface (30) cooperated with the first guide surface (22), described to hold
It is offered on row part (15) or force-applying piece (16) for making executive item (15) and force-applying piece (16) be clamped circumferentially fixed card relatively
Slot (29).
3. a kind of adjusting control mechanism for seat tray according to claim 2, it is characterized in that: the executive item
(15) it is in cylindrical type and is connected to locking piece (8), second guide part (25) is circumferentially with several along impeller (24), institute
Impeller (24) is stated to be in axial sliding connection along guided way (11) in guided way (11) and be oppositely oriented rail (11) in circumferentially fixed, institute
Stating the second guide part (25) further includes the fixing piece (23) for being fixedly connected on guided way (11) inner wall, fixing piece (23) direction
Executive item (15) one end offers compensating tank (26) along its axial direction, and the fixing piece (23) is towards executive item (15) one end along its axis
To being fixed with third guide part (27), the third guide part (27) is circumferentially with several along fixing piece (23), adjacent institute
Formation card slot (29) between third guide part (27) is stated, the third guide part (27) sets with respect to executive item (15) one end is inclined
Set the third guide surface (28) to be formed and can be abutted with the first guide surface (22).
4. a kind of adjusting control mechanism for seat tray according to claim 3, it is characterized in that: first guiding
Part (21) is circumferentially with several along fitting (20).
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 being connected to locking piece (8), the fitting (20) is oppositely oriented rail (11) in circumferentially fixed, and described first
Guide part (21) is fixedly connected on fitting (20) outer wall and is equipped with several along fitting (20) periphery, card slot (29) position
In the first guide part (21) towards the second guide part (25) one end, and the card slot (29) and the second guide part (25) are similar three
It is angular.
6. a kind of adjusting control mechanism for seat tray according to claim 5, it is characterized in that: second guiding
Part (25) is circumferentially with several along impeller (24).
7. a kind of adjusting control mechanism for seat tray according to claim 2, it is characterized in that: the reset spring
(14) split settings are fixedly installed on the locking piece (8) and abut seat (17) at first segment (18) and second segment (19), described
First segment (18) and second segment (19), which are sheathed on locking piece (8) both ends respectively and are connected to respectively, abuts seat (17) two sides, described
First segment (18) is connected to price fixing (2), and the second segment (19) is connected to executive item (15), the stubborn system of the first segment (18)
Number is less than the coefficient of stiffiness of second segment (19).
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 rotation axis (4) line of the guided way (11) is arranged coaxially with locking piece (8), it is described
The pressing piece (31) for pressing extensible member (34) button is rotatably connected on price fixing (2), fixation is set the guided way (11) outside
Be equipped with force auricle (33), described pressing piece (31) one end be fed through force auricle (33) and with 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 fixedly installed with mounting rod (10), the guided way (11) is sheathed on mounting rod (10) outside and is rotationally connected with mounting rod
(10), it is offered rotation slot (12) on the guided way (11) along its circumferential direction, is threaded with limit on the mounting rod (10)
Bolt (13), caging bolt (13) force side are embedded in rotation slot (12) and are 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)
Motion profile of the side wall along pressing piece (31) one end offers guide groove (32), and described pressing piece (31) one end is fed through guide groove
(32) and guide groove (32) are slidably connected to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721778285.7U CN208875762U (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 |
|---|---|---|---|
| CN201721778285.7U CN208875762U (en) | 2017-12-18 | 2017-12-18 | A kind of adjusting control mechanism for seat tray |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208875762U true CN208875762U (en) | 2019-05-21 |
Family
ID=66491662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721778285.7U Expired - Fee Related CN208875762U (en) | 2017-12-18 | 2017-12-18 | A kind of adjusting control mechanism for seat tray |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208875762U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107928223A (en) * | 2017-12-18 | 2018-04-20 | 浙江中威家具配件有限公司 | A kind of adjusting control mechanism for seat tray |
-
2017
- 2017-12-18 CN CN201721778285.7U patent/CN208875762U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107928223A (en) * | 2017-12-18 | 2018-04-20 | 浙江中威家具配件有限公司 | A kind of adjusting control mechanism for seat tray |
| CN107928223B (en) * | 2017-12-18 | 2024-07-16 | 浙江中威家具配件有限公司 | A regulation control mechanism for seat tray |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190521 Termination date: 20211218 |
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| CF01 | Termination of patent right due to non-payment of annual fee |