CN108056613A - A kind of waist bracket chair - Google Patents
A kind of waist bracket chair Download PDFInfo
- Publication number
- CN108056613A CN108056613A CN201711381616.8A CN201711381616A CN108056613A CN 108056613 A CN108056613 A CN 108056613A CN 201711381616 A CN201711381616 A CN 201711381616A CN 108056613 A CN108056613 A CN 108056613A
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- China
- Prior art keywords
- waist
- gas spring
- connection
- linking arm
- waist support
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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
- A47C7/36—Support for the head or the back
- A47C7/40—Support for the head or the back for the back
- A47C7/46—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs
- A47C7/467—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs adjustable by fluid means
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Abstract
The present invention relates to seat design manufacturing fields, and in particular to a kind of waist bracket chair.The present invention relate to technical scheme is that：A kind of waist bracket chair, comprising waist support and gas spring, the waist support is close to the back of human body when back is moved to provide the towing force of continuous uniform by the flexible of the gas spring to realize.It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of waist bracket chairs.When user moves back and forth on the seat, waist support can be close to human waist and back and make synchronizing moving, and waist is bonded in real time, increases the support force to human body waist position.
Description
Technical field
The present invention relates to seat design manufacturing fields, and in particular to a kind of waist bracket chair.
Background technology
Seat is a kind of furniture that purposes is very extensive in daily life and work, generally comprises pedestal, backrest, support knot
The components such as structure, handrail in order to meet the needs of people's personalization, bring more comfortable and health usage experience, the knot of seat
Structure and function are also constantly being improved.When user uses seat, often the buttocks of oneself is supported by pedestal and backrest
And back, and the support phase of waist, to just weaker, the muscle and vertebrae of human waist and back will bear human body top weight
Pressure, lumbar muscle strain and vertebrae lesion can if things go on like this occur, bring study, life, the inconvenience in work.
In recent years, in order to provide support force to waist, the seat with waist support just occurs, in pedestal or leans on the market
Back connects waist support, provides good support force to the waist of user, makes its sitting posture tall and straight, has good protection work(to lumbar vertebrae
Energy.However, there are waist supports that untight defect is bonded with human body for existing waist bracket chair, i.e., when the sitting posture of user adjusts,
Such as leaning forward, waist support flexible with the action of human body can not often adjust at this time, and can not remain valid fitting human body supporting waist,
The using effect of waist support is more undesirable.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of waist bracket chairs.User is front and rear on the seat
When mobile, waist support can be close to human waist and back and make synchronizing moving, and waist is bonded in real time, is increased to human body waist position
Support force.
The present invention above-mentioned technical purpose technical scheme is that：
A kind of waist bracket chair, comprising waist support and gas spring, the waist support is moved by the flexible of the gas spring to realize in back
It is close to the back of human body when dynamic to provide the towing force of continuous uniform.
In the technical program, most important component is the transportable waist support, when human body sitting posture changes, example
When leaning forward such as human body, the waist support can also move forward, and close to the back position of human body and fit closely, increase the branch to human body
Support force.And the power of advance with the retrogressing of the waist support is both from the flexible running of the gas spring.In the technical program,
Power part is not using other type of drive but defines the gas spring, is because the motive force of gas spring continues
And uniformly, the waist support can be enabled to human body there are one uniform and lasting promotion or support force, comfort is stronger.And its
His driving part or elastomeric element, such as the components such as spring column, spring, by the image of Hooke's law, the support force provided
With the deformation positive correlation of itself, in moving process, lasting and uniform power can not be provided.In the technical program, on seat cushion,
Handrail, the structure of chair leg, shape, connection relation etc., do not do specific restriction.
As a preference of the present invention, comprising rotating assembly and transmission parts, the rotating assembly includes main shaft, the waist support
Rotated using the main shaft as axis, it is described rotation be the gas spring the flexible transmission by the transmission parts and realize
's.
Herein, front-rear direction, the stretching direction of gas spring, i.e., close to human body are defined as with the stretching direction of gas spring
Before the direction of waist is, after the retracted orientation of the gas spring, the i.e. direction away from human body waist are.
The movement locus of the gas spring be straight-line trajectory in the front-back direction, and the movement locus of the waist support be with
The main shaft is the arching trajectory that axis is rotated, and the effect of the transmission parts is exactly to connect the gas spring and the waist
It holds in the palm, and the straight-line trajectory of the gas spring is become the arc rotary movement locus of the waist support.In addition, the gas bullet
Still head forward, is not specifically limited in the technical program forward for the installation direction of spring, i.e. afterbody.
As a preference of the present invention, described gas spring one end is connected with the transmission parts, the transmission parts with it is described
Main shaft connects, and the main shaft is connected with the waist support and the waist support is driven to rotate.
As a kind of embodiment, the transmission parts are directly connected on the main shaft, and corresponding, described
Waist support is also directly connected on the main shaft.In this embodiment, the main shaft is rotation, and directly drives the waist
Support is rotated.
As a preference of the present invention, described gas spring one end is connected with the transmission parts, the transmission parts are with rotating
Connector connects, and the rotating connector is set on the main shaft, and the rotating connector is connected and drives with the waist support
The waist support is swung.
As another embodiment, the main shaft is intended only as being oriented to and position restriction, itself simultaneously is not involved in rotating.If
It is set in there are one the rotating connector on the main shaft, the rotating connector is the medium as transmission, is connected to institute
State waist support and the transmission parts.The transmission parts drive the rotating connector to rotate, so as to directly drive the waist support
It swings, the main shaft does not rotate.
As a preference of the present invention, the transmission parts include the linking arm being connected with described gas spring one end, are connected to
Connection rack on the linking arm and the swing tooth for being connected with the rotating assembly and being engaged with the connection rack.
As a preference of the present invention, the gas spring is mounted below seat cushion, the linking arm is slidably connected at the seat
Pad lower section, the linking arm are equipped with elongated slot, and the extending direction of the elongated slot is parallel with the telescopic direction of the gas spring, also wraps
Containing being connected with the seat cushion and the pin of the embedded elongated slot of activity.
The gas spring can be directly mounted at below the seat cushion, also can be indirect by the connecting component of such as bottom plate etc
It is assemblied in below the seat cushion, the technical program is not limited.Realize that transmission is the transmission parts by rack-and-pinion
A kind of way of realization specifically, the gas spring stretches, drives the linking arm to push ahead, and the end of the linking arm connects
Then the connection rack drives the connection rack to push ahead, and the tooth that swings drives in the advance of the connection rack
Lower natural rotation drives the swing of the waist support.
Just as described above, the swing tooth realizes that the swing of the waist support can be directly connected to and be indirectly connected with two
Kind mode.In the technical solution being directly connected to, the swing tooth is directly connected with the main shaft, and the waist support is also directly and institute
Main shaft connection is stated, the main shaft participates in rotating.In the technical solution being indirectly connected with, described there are a rotation connections
Part, the swing tooth and the waist support are all connected on the rotating connector, and the main shaft is not involved in rotating.
The fluting direction of the elongated slot is also front-rear direction, and the pin, which can be directly connected to seat cushion, can be connected to such as bottom
On the fixing piece of plate etc, the cooperation of the pin and the elongated slot can also increase the linking arm and be promoted by the gas spring
When advance guidance quality and stability.
Details are not described herein again with consistent above to the principle that the waist support is swung during after-contraction, is driven for the gas spring.
As a preference of the present invention, the transmission parts include be connected with the gas spring connection sheet, be connected to described in
Idler wheel in connection sheet, the wire drawing in the race of the idler wheel and the cursor being connected with the rotating assembly, the drawing
Silk is connected with the cursor.
As a preference of the present invention, the cursor is equipped with drawing head bayonet, the wire drawing and the drawing head bayonet
Connection.
The wire drawing is with the idler wheel with another specific implementation form for being combined into the transmission parts.Specifically, institute
Gas spring advance is stated, the connection sheet is promoted to advance, idler wheel is connected in the connection sheet, the wire drawing is mounted on the rolling
On wheel, so as to which to the wire drawing, there are one the action for stretching advance forward, the wire drawing pulls the cursor to rotate.
Same as above, the cursor, which rotates the connection of the waist support, can the side for being directly connected to and being indirectly connected with
Formula, details are not described herein again.
As a preference of the present invention, the transmission parts include the linking arm being connected with the gas spring and the shaft
The cursor and connecting rod of component connection, the connecting rod two end are hinged respectively with the linking arm and the cursor.
As a preference of the present invention, the gas spring is mounted below seat cushion, the linking arm is slidably connected at the seat
Pad lower section, the linking arm are equipped with elongated slot, and the extending direction of the elongated slot is parallel with the telescopic direction of the gas spring, also wraps
Containing being connected with the seat cushion and the pin of the embedded elongated slot of activity.
It is the another specific implementation form of the transmission parts using the cursor and the connecting rod.Specifically, it is described
Gas spring is stretched out, and the linking arm is driven to advance, and is hinged with the connecting rod on the linking arm, the other end of the connecting rod is hinged
Cursor, when the linking arm advances, the cursor is driven by the connecting rod and rotates, and the cursor is with the main shaft
It is rotated for axis.
Same as above, the cursor, which rotates the connection of the waist support, can the side for being directly connected to and being indirectly connected with
Formula, details are not described herein again.
As a preference of the present invention, the transmission parts include be connected with the gas spring linking arm, be connected to described in
Sprocket wheel on linking arm, the sprocket wheel connector and chain being connected with the rotating assembly, the chain connect with the sprocket engagement
It connects, the chain engages connection with the sprocket wheel connector.
Another specific embodiment of the mode of chain for the transmission parts is used, specifically, the gas bullet
Linking arm is connected on spring, sprocket wheel is connected on the linking arm, and chain engagement is connected on the sprocket wheel.When described
Gas spring is stretched out, and the chain is pulled along, and the other end of the chain is engaged with the sprocket wheel connector, drives the sprocket wheel
Connector is around the main axis.In this manner, the technical solution that the chain can also be matched to the sprocket wheel is replaced
Common synchronous belt and the coordinated scheme of synchronizing wheel are changed to, principle is identical.
As a preference of the present invention, the waist support includes swing arm, the supporting plate being flexibly connected with the swing arm and for adjusting
The angle adjustment part of the supporting plate predetermined angle.
As a preference of the present invention, the angle adjustment part is torsional spring.
The swing arm can be connected directly or indirectly with the transmission parts, and the swing arm participates in swinging, and described
The supporting plate is connected in swing arm, the supporting plate is flexibly connected with the swing arm, i.e., described supporting plate can be adjusted compared with the swing arm
Angle so that the supporting plate more flexible more can be snugly bonded with the small of the back of human body.
The supporting plate is equipped with torsional spring with the swing arm junction, and there are two aspects for the effect of the torsional spring.First, in human body
When leaning forward or swinging back, torsional spring can be supplied to the suitable torsion of supporting plate one to cause the adjustment of the angle of the supporting plate more
To be flexible；Second, when human body leaves seat, the angle of the supporting plate can be automatically regulated to be predetermined angle, example by the torsional spring
If do not tilted in front of face, increase aesthetics and regularity.
As a preference of the present invention, the waist support is equipped with functional blocks.
As a preference of the present invention, the functional blocks are magnetic therapy chunking, electric heating chunking or massage chunking.
As a preference of the present invention, the functional blocks are removably mounted in the waist support.
Since the emphasis of the technical program is that the waist support can be close to human waist and back in real time, thus it is comfortable except support
Property also contains the degree of being close to of healthy magnetic therapy.Manufacturer can add each different function group according to actual business demand
Block, such as magnetic therapy, electric heating, massage etc., can also produce multiple functional blocks, using unified connection mounting means, for user
Itself selection is replaced and installation.
As a preference of the present invention, it also includes to switch the gas spring adjustment state and the switching switch of lock-out state
Component.
The switching switch component is used to switch the state of the gas spring.When the gas spring is in adjustment state,
The gas bar of the gas spring can freely stretch out retraction, and in this condition, human body layback, the retraction of gas bar, the waist support is backward
It swings；Human body leans forward, and gas bar stretches out, and the waist support is swung forward.When the gas spring is in the lock state, the gas bar
Extension elongation is locked, and the waist support is also fixed, no longer swing.
As a preference of the present invention, the rotating assembly is two, two rotating assemblies are located at seat cushion both sides, described
Waist support is two, is individually connected on the rotating assembly.
As a preference of the present invention, the rotating assembly is one, positioned at seat cushion one side, the waist support is one, connection
On the rotating assembly.
As a preference of the present invention, including Foot of chair component, seat cushion, armrest assembly and backrest, the set of the armrest assembly
Pipe top is equipped with rocking arm, and the front end of the rocking arm is equipped with to ship and resell on another market to be flexibly connected with the rear portion of backrest；The lower part of the seat cushion is consolidated
Determine bottom plate, the lower part of the bottom plate is fixedly connected with the top of Foot of chair component, the fixed control in the rear portion in the bottom plate
The forepart of frame and gas spring connects, and the afterbody of the gas spring is equipped with one end that connecting pin is connected to linking arm, the linking arm
The other end be equipped with rocking pin actively be embedded in casing part swinging chute in.
As a preference of the present invention, the backrest is separated two pieces of shape structures.
As a preference of the present invention, the backrest is monoblock shape structure.
As a preference of the present invention, the inner cavity of described sleeve pipe is equipped with spacer, the inner cavity of the spacer is equipped with main shaft, the master
The lower part of axis is fixedly connected equipped with connecting plate with bottom plate, the top installation handrail of the main shaft.
As a preference of the present invention, being equipped with pin in the bottom plate, the linking arm is equipped with elongated slot in the corresponding position of pin,
The pin is actively embedded in elongated slot.
As a preference of the present invention, the one side of the bottom plate sets the ratchet wheel frame with ratchet, the ratchet wheel frame, which is equipped with, to be turned
Axis is movably connected with ratchet handle, and the ratchet handle is movably connected with pawl, the pawl and ratchet equipped with detent pin
Corresponding, the forepart of the ratchet handle hooks the tail end of drag-line.
As a preference of the present invention, the ratchet handle of the pawl is pierced by from the through hole of ratchet handle.
As a preference of the present invention, the pull rod lower part that the control cage activity is installed with hooks the front end of drag-line, it is described
The upper middle part of pull rod is corresponding with the valve of gas spring.
As a preference of the present invention, including seat cushion, armrest assembly and backrest, the casing top of the armrest assembly, which is equipped with, shakes
Arm, the rocking arm are connected with backrest；The lower part of the seat cushion is equipped with bottom plate, and the bottom plate is connected with what is be connected with the gas spring
Control cage, the gas spring is connected to linking arm, and the linking arm is equipped with the pendulum that rocking pin is actively embedded in casing part
In dynamic slot.
As a preference of the present invention, the backrest is separated two pieces of shape structures.
As a preference of the present invention, the backrest is monoblock shape structure.
As a preference of the present invention, the inner cavity of described sleeve pipe is equipped with spacer, the inner cavity of the spacer is equipped with main shaft, the master
The lower part of axis is fixedly connected equipped with connecting plate with bottom plate, the top installation handrail of the main shaft.
As a preference of the present invention, being equipped with pin in the bottom plate, the linking arm is equipped with elongated slot in the corresponding position of pin,
The pin is actively embedded in elongated slot.
As a preference of the present invention, the one side of the bottom plate sets the ratchet wheel frame with ratchet, the ratchet wheel frame, which is equipped with, to be turned
Axis is movably connected with ratchet handle, and the ratchet handle is movably connected with pawl, the pawl and ratchet equipped with detent pin
Corresponding, the forepart of the ratchet handle hooks the tail end of drag-line.
As a preference of the present invention, the ratchet handle of the pawl is pierced by from the through hole of ratchet handle.
As a preference of the present invention, the pull rod lower part that the control cage activity is installed with hooks the front end of drag-line, it is described
The upper middle part of pull rod is corresponding with the valve of gas spring.
In conclusion the present invention has the advantages that：
1st, waist support can be rotated, so as to adapt to human body sitting posture, timely supporting waist.
2nd, having used gas spring, gas spring persistently can give waist support uniform lasting power, so that waist as power part
Support is uniformly lasting to the support force of human body, increases comfort level.
3rd, waist support can be used global design and both sides separate design can also be used.
4th, just connected by torsional spring between supporting plate and swing arm, back is more bonded, after people leaves waist support, supporting plate energy
Face position is kept, is not tilted, promotes aesthetics.
5th, installation function component is can customize in waist support, to realize the difference in functionality such as magnetic therapy, massage, electric heating.
6th, the extension elongation of gas spring can be locked.
Description of the drawings
Fig. 1 is the front view of embodiment one；
Fig. 2 is the left view of Fig. 1；
Fig. 3 is the top view of Fig. 1；
Fig. 4 is the front view of embodiment two；
Fig. 5 is the left view of Fig. 4；
Fig. 6 is the top view of Fig. 4；
Fig. 7 be I in Fig. 1, Fig. 4 at enlarged drawing；
Fig. 8 be II in Fig. 1, Fig. 4 at enlarged drawing；
Fig. 9 be III in Fig. 2, Fig. 5 at enlarged drawing；
Figure 10 be IV in Fig. 3, Fig. 6 at enlarged drawing；
Figure 11 be V in Fig. 3 at enlarged drawing；
Figure 12 be VI in Fig. 3, Fig. 6 at enlarged drawing；
Figure 13 be VII in Fig. 3, Fig. 6 at enlarged drawing；
Figure 14 be VIII in Fig. 3, Fig. 6 at enlarged drawing；
Figure 15 be Ⅸ in Fig. 6 at enlarged drawing；
Figure 16 is the top view of embodiment three；
Figure 17 is the details enlarged drawing at A in Figure 16；
Figure 18 is the top view of example IV；
Figure 19 is the details enlarged drawing at the A in Figure 18；
Figure 20 is the side sectional view at the B in Figure 18；
Figure 21 is the top view of embodiment five；
Figure 22 is the details enlarged drawing at the A in Figure 21；
Figure 23 is the top view of embodiment six；
Figure 24 is the details enlarged drawing at the A in Figure 23；
Figure 25 is the side sectional view at the B in Figure 23.
Specific embodiment
The present invention is described in further detail below in conjunction with attached drawing.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, people in the art
Member can as needed make the present embodiment the modification of no creative contribution after this specification is read, but as long as at this
It is all protected in the right of invention be subject to Patent Law.
Embodiment 1, the backrest as shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11, Figure 12, Figure 13, Figure 14
It can be close to the chair of human waist and back movement, including Foot of chair component 1, seat cushion 3, armrest assembly 4 and backrest 5, armrest assembly 4
6 top of casing be equipped with rocking arm 8, the front end of rocking arm 8 is equipped with to ship and resell on another market and 32 is flexibly connected with the rear portion of backrest 5；The lower part of seat cushion 3
Fixed bottom plate 13, the lower part of bottom plate 13 are fixedly connected with the top of Foot of chair component 1, the fixed control in the rear portion in bottom plate 13
Frame 31 is connected with the forepart of gas bar 12, and the afterbody of gas bar 12 is equipped with one end that connecting pin 33 is connected to linking arm 9, linking arm 9
The other end is equipped with rocking pin 17 and is actively embedded in the swinging chute 18 of 6 lower part of casing.
Backrest 5 is separated two pieces of shape structures.
The lower part of headrest 7 is connected with 3 lower part of seat cushion.
The inner cavity of casing 6 is equipped with spacer 15, and the inner cavity of spacer 15 is equipped with main shaft 16, and the lower part of main shaft 16 is equipped with connecting plate 19
It is fixedly connected with bottom plate 13, the top installation handrail 2 of main shaft 16.
Pin 10 is equipped in bottom plate 13, linking arm 9 is equipped with elongated slot 11 in the corresponding position of pin 10, and pin 10 is actively embedded in
In elongated slot 11.
The one side of bottom plate 13 sets the ratchet wheel frame 23 with ratchet 24, and ratchet wheel frame 23 is movably connected with spine equipped with shaft 22
Wheel handle 26, ratchet handle 26 are movably connected with pawl 25 equipped with detent pin 35, and pawl 25 is corresponding with ratchet 24, ratchet hand
The forepart of handle 26 hooks the tail end of drag-line 21.
The ratchet handle 27 of pawl 25 is pierced by from the through hole 28 of ratchet handle 26.
30 lower part of pull rod that 31 activity of control cage is installed with hooks the front end of drag-line 21, upper middle part and the gas bar of pull rod 30
12 valve 29 is corresponding.
Linking arm 9 and connecting plate 19 exposed to outer part there is protective cover 20 to wrap up.
Embodiment 2, as shown in Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 12, Figure 13, Figure 14, Figure 15, including chair
Sub- foot component 1, seat cushion 3, armrest assembly 4 and backrest 5,6 top of casing of armrest assembly 4 are equipped with rocking arm 8, the front end of rocking arm 8
It 32 is flexibly connected equipped with shipping and reselling on another market with the rear portion of backrest 5；The fixed bottom plate 13 in lower part of seat cushion 3, the lower part of bottom plate 13 and Foot of chair
The top of component 1 is fixedly connected, and the fixed control cage 31 in the rear portion in bottom plate 13 is connected with the forepart of gas bar 12, the tail of gas bar 12
Portion is equipped with one end that connecting pin 33 is connected to linking arm 9, and the other end of linking arm 9 is equipped with rocking pin 17 and is actively embedded in casing 6
In the swinging chute 18 of lower part.
Backrest 5 is monoblock shape structure.
Ship and resell on another market 32 insertion backrest, 5 rear portion backrest elongated slot 34 in flexible connection；
The lower part of headrest 7 is connected with backrest 5.
The inner cavity of casing 6 is equipped with spacer 15, and the inner cavity of spacer 15 is equipped with main shaft 16, and the lower part of main shaft 16 is equipped with connecting plate 19
It is fixedly connected with bottom plate 13, the top installation handrail 2 of main shaft 16.
Pin 10 is equipped in bottom plate 13, linking arm 9 is equipped with elongated slot 11 in the corresponding position of pin 10, and pin 10 is actively embedded in
In elongated slot 11.
The one side of bottom plate 13 sets the ratchet wheel frame 23 with ratchet 24, and ratchet wheel frame 23 is movably connected with spine equipped with shaft 22
Wheel handle 26, ratchet handle 26 are movably connected with pawl 25 equipped with detent pin 35, and pawl 25 is corresponding with ratchet 24, ratchet hand
The forepart of handle 26 hooks the tail end of drag-line 21.
The ratchet handle 27 of pawl 25 is pierced by from the through hole 28 of ratchet handle 26.
30 lower part of pull rod that 31 activity of control cage is installed with hooks the front end of drag-line 21, upper middle part and the gas bar of pull rod 30
12 valve 29 is corresponding.
Linking arm 9 and connecting plate 19 exposed to outer part there is protective cover 20 to wrap up.
The state of pawl 25 and ratchet handle 26 is that backrest 5 is in static state in Fig. 8, is close to people when needing backrest 5
When body the small of the back moves, rotating ratchet handle 26 is moved along shaft 22 upwards, through hole 28 drives 27 rearward displacement of ratchet handle, makes
Obtain the rear portion engagement that pawl 25 is moved to ratchet 24 from the engagement of the forepart of ratchet 24；Drag-line 21 is pulled simultaneously, is drawn by drag-line 21
Dynamic pull rod 30 opens valve 29；Compression spring stretching, extension in gas bar 12 bar 12 that makes to bring about the desired sensation extends, and passes through connecting pin 33 and drives and connects
Arm 9 is connect to move forward along elongated slot 11；In being with main shaft 16 by rocking pin 17, the drive of swinging chute 18 casing 6, rocking arm 8 simultaneously
The heart inwardly rotates forward；Rocking arm 8 is close to human waist and back by 32 drive backrests 5 forward movement of shipping and reselling on another market simultaneously.When human body backward
By when, human waist and back presses backward, and by backrest 5 to pusher, backrest 5 is by ship and resell on another market 32 drive rocking arms 8, casing 6 with main shaft 16
Centered on outside back rotation；Rocking arm 8 drives linking arm 9 to be moved back along elongated slot 11 by swinging chute 18, rocking pin 17 simultaneously
It is dynamic；Linking arm 9 passes through the compression spring in 33 compressed gas bar 12 of connecting pin simultaneously so that gas bar 12 shortens.In use,
When being stopped if necessary to some position of backrest 5 in entire shift motion, ratchet handle 27 is moved and then put down upwards so that
Pawl 25 is moved to the forepart engagement of ratchet 24 from the engagement of the rear portion of ratchet 24, then puts down ratchet handle down along shaft 22
26, so as to loosen drag-line 21 and pull rod 30 so that valve 29 is closed.Certainly, backrest of the present invention can be close to human waist and back
The gas bar 12 of mobile chair can use for example：Compress the realizations such as spring, extension spring, elastic rubber.Use elastic construction
By connecting pin 33 linking arm 9 is driven to be moved along elongated slot 11；Casing 6, rocking arm are driven by rocking pin 17, swinging chute 18 simultaneously
8 are rotated centered on main shaft 16；Rocking arm 8 belongs to what the present invention protected by the scheme that 32 drive backrests 5 of shipping and reselling on another market move simultaneously
Scope.
Embodiment 3, embodiment 4, embodiment 5, embodiment 6 and distinguishing for embodiment 1 are mainly the specific of transmission parts 40
Structure is different.
Specifically, embodiment 3, as shown in Figure 16 and Figure 17, gas spring 12 can be directly mounted at 3 lower section of seat cushion, can also lead to
The connecting component for crossing such as bottom plate etc is assemblied in 3 lower section of seat cushion indirectly, and the technical program is not limited.By rack-and-pinion come
It is a kind of way of realization of transmission parts 40 to realize transmission, specifically, gas spring 12 stretches, linking arm 41 is driven to push ahead,
The end of linking arm 41 is connected to connection rack 42, and connection rack 42 is driven to push ahead, and swings tooth 43 in connection rack 42
Advance and drive lower natural rotation, drive the swing of waist support 5.The fluting direction of elongated slot 11 is also front-rear direction, and pin 10 can be direct
Connection seat cushion 3 can be connected on the fixing piece of such as bottom plate etc, and the cooperation of pin 10 and elongated slot 11 can also increase linking arm
The guidance quality and stability of 41 advance when being promoted by gas spring 12.
In addition, waist support 5 includes swing arm 52, the supporting plate 51 being flexibly connected with swing arm 52 and for adjusting 51 predetermined angle of supporting plate
Torsional spring.
Swing arm 52 can be with transmission parts 40, i.e., and swing tooth 43 is connected directly or indirectly, and swing arm 52 participates in swinging, and
Supporting plate 51 is connected in swing arm 52, supporting plate 51 is flexibly connected with swing arm 52, i.e., supporting plate 51 can adjust the angle compared with swing arm 52,
So that supporting plate 51 more flexible more can be snugly bonded with the small of the back of human body.
Supporting plate 51 is equipped with torsional spring with 52 junction of swing arm, and there are two aspects for the effect of torsional spring.First, lean forward in human body or
During layback, torsional spring can be supplied to the suitable torsion of supporting plate 51 1 to cause the adjustment of the angle of supporting plate 51 more flexible；Second,
When human body leaves seat, the angle of supporting plate 51 can be automatically regulated to be in front of predetermined angle, such as face and not tilt by torsional spring, increase
Add aesthetics and regularity.
Waist support 5 is equipped with functional blocks.Functional blocks are magnetic therapy chunking, electric heating chunking or massage chunking.Functional blocks can
It removes and installs in waist support 5.Since the emphasis of the technical program is that waist support 5 can be close to human waist and back in real time, therefore except branch
The comfort of support also contains the degree of being close to of healthy magnetic therapy.Manufacturer can add each different according to actual business demand
Functional blocks, such as magnetic therapy, electric heating, massage etc., can also produce multiple functional blocks, using unified connection mounting means,
It selects to replace and install for user itself.
It also includes to switch the switching switch component of 12 adjustment state of gas spring and lock-out state.Switching switch component is used
In the state of switching gas spring 12.When gas spring 12 is in adjustment state, the gas bar of gas spring 12 can freely stretch out retraction,
In this condition, human body is swung back, the retraction of gas bar, 5 swing backward of waist support；Human body leans forward, and gas bar stretches out, and waist support 5 is swung forward.
When gas spring 12 is in the lock state, the extension elongation of gas bar is locked, and waist support 5 is also fixed, no longer swing.
Embodiment 4, as shown in Figure 18,19,20.The difference of embodiment 4 and embodiment 3 is also the realization side of transmission parts 40
Formula is different, and in the present embodiment, transmission parts 40 include the connection sheet 46 being connected with gas spring 12, are connected in connection sheet 46
Idler wheel 44, the wire drawing 45 in the race of idler wheel 44 and the cursor 47 being connected with rotating assembly, wire drawing 45 and cursor 47
Connection.Cursor 47 is equipped with drawing head bayonet 48, and wire drawing 45 is connected with drawing head bayonet 48.
Wire drawing 45 is with idler wheel 44 with another specific implementation form for being combined into transmission parts 40.Specifically, gas spring 12
Advance, connection sheet 46 is promoted to advance, the fixing piece connection of pin etc can be used between connection sheet 46 and idler wheel 44.Connection sheet 46
On be connected to idler wheel 44, wire drawing 45 is mounted on idler wheel 44, so as to, there are one the action for forward stretching advance, draw wire drawing 45
Silk 45 pulls cursor 47 to rotate.
Embodiment 5, as shown in Figure 21, Figure 22.The difference of embodiment 5 and embodiment 3 is also the specific knot of transmission parts 40
Structure is different, in the present embodiment, turn that transmission parts 40 include the linking arm 41 being connected with gas spring 12, are connected with rotating assembly
Swing arm 47 and connecting rod 49,49 both ends of connecting rod are hinged with linking arm 41 and cursor 47 respectively.Gas spring 12 is mounted under seat cushion 3
Side, linking arm 41 are slidably connected at 3 lower section of seat cushion, and linking arm 41 is equipped with elongated slot 11, the extending direction and gas spring of elongated slot 11
12 telescopic direction is parallel, also comprising being connected with seat cushion 3 and the pin 10 of the embedded elongated slot 11 of activity.
It is the another specific implementation form of transmission parts 40 using cursor 47 and connecting rod 49.Specifically, gas spring 12 is stretched
Go out, linking arm 41 is driven to advance, connecting rod 49, the articulated cursor 47 of the other end of connecting rod 49, even are hinged on linking arm 41
When connecing the advance of arm 41, cursor 47 drives rotation by connecting rod 49, and cursor 47 is rotated with main shaft 16 for axis.
Embodiment 6, as shown in Figure 23, Figure 24 and Figure 25, the difference of embodiment 6 and embodiment 3 is also transmission parts 40
Concrete structure is different, and in the present embodiment, transmission parts 40 include the linking arm 41 being connected with gas spring 12, are connected to linking arm
Sprocket wheel 412 on 41, the sprocket wheel connector 413 being connected with rotating assembly and chain 411, chain 411 and 412 company of engagement of sprocket wheel
It connects, chain 411 engages connection with sprocket wheel connector 413.
Another specific embodiment of the mode of chain for transmission parts 40 is used, specifically, in gas spring 12
Linking arm 41 is connected with, sprocket wheel 412 is connected on linking arm 41, the engagement of chain 411 is connected on sprocket wheel 412.When gas spring 12
Stretch out, chain 411 is pulled along, and the other end of chain 411 is engaged with sprocket wheel connector 413, with movable sprocket connector 413 around
Main shaft 16 rotates.In this manner, the technical solution that chain 411 can also be matched to sprocket wheel 412 replaces with common synchronization
Band and the coordinated scheme of synchronizing wheel, principle are identical.
Claims (10)
1. a kind of waist bracket chair, it is characterised in that：Include waist support（5）And gas spring（12）, the waist support（5）Pass through the gas
Spring（12）Flexible be close to the back of human body when back is moved to realize to provide the towing force of continuous uniform.
2. a kind of waist bracket chair according to claim 1, it is characterised in that：Include rotating assembly and transmission parts（40）,
The rotating assembly includes main shaft（16）, the waist support（5）With the main shaft（16）It is rotated for axis, the rotation is described
Gas spring（12）It is flexible pass through the transmission parts（40）Transmission and realize.
3. a kind of waist bracket chair according to claim 2, it is characterised in that：The gas spring（12）One end and the transmission
Component（40）Connection, the transmission parts（40）With the main shaft（16）Connection, the main shaft（16）With the waist support（5）Connection
And drive the waist support（5）It rotates.
4. a kind of waist bracket chair according to claim 2, it is characterised in that：The gas spring（12）One end and the transmission
Component（40）Connection, the transmission parts（40）It is connected with rotating connector, the rotating connector is set in the main shaft
（16）On, the rotating connector and the waist support（5）It connects and drives the waist support（5）It rotates.
5. a kind of waist bracket chair according to claim 2, it is characterised in that：The transmission parts（40）Comprising with the gas
Spring（12）The linking arm of one end connection（41）, be connected to the linking arm（41）On connection rack（42）With with the shaft
Component connect and with the connection rack（42）The swing tooth of engagement（43）.
6. a kind of waist bracket chair according to claim 4, it is characterised in that：The gas spring（12）Mounted on seat cushion（3）
Lower section, the linking arm（41）It is slidably connected at the seat cushion（3）Lower section, the linking arm（41）It is equipped with elongated slot（11）, institute
State elongated slot（11）Extending direction and the gas spring（12）Telescopic direction it is parallel, also include and the seat cushion（3）Connection and
The embedded elongated slot of activity（11）Pin（10）.
7. a kind of waist bracket chair according to claim 2, it is characterised in that：The transmission parts（40）Comprising with the gas
Spring（12）The connection sheet of connection（46）, be connected to the connection sheet（46）On idler wheel（44）, positioned at the idler wheel（44）'s
Wire drawing in race（45）The cursor being connected with the rotating assembly（47）, the wire drawing（45）With the cursor（47）
Connection.
8. a kind of waist bracket chair according to claim 7, it is characterised in that：The cursor（47）It is equipped with drawing head card
Mouthful（48）, the wire drawing（45）With the drawing head bayonet（48）Connection.
9. a kind of waist bracket chair according to claim 2, it is characterised in that：The transmission parts（40）Comprising with the gas
Spring（12）The linking arm of connection（41）, the cursor that is connected with the rotating assembly（47）And connecting rod（49）, the connecting rod
（49）Both ends respectively with the linking arm（41）With the cursor（47）It is hinged.
10. a kind of waist bracket chair according to claim 9, it is characterised in that：The gas spring（12）Mounted on seat cushion（3）
Lower section, the linking arm（41）It is slidably connected at the seat cushion（3）Lower section, the linking arm（41）It is equipped with elongated slot（11）, institute
State elongated slot（11）Extending direction and the gas spring（12）Telescopic direction it is parallel, also include and the seat cushion（3）Connection and
The embedded elongated slot of activity（11）Pin（10）.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2017100554985 | 2017-01-19 | ||
| CN201710055498 | 2017-01-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108056613A true CN108056613A (en) | 2018-05-22 |
| CN108056613B CN108056613B (en) | 2021-04-23 |
Family
ID=62139372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711381616.8A Active CN108056613B (en) | 2017-01-19 | 2017-12-20 | Waist support seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108056613B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109008378A (en) * | 2018-09-13 | 2018-12-18 | 欧亚平 | A kind of movable supporting attachment structure suitable for seat |
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| Publication number | Publication date |
|---|---|
| CN108056613B (en) | 2021-04-23 |
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Effective date of registration: 20200722 Address after: 313000, Zhejiang City, Huzhou province Anji County pass Pu Pu Industrial Park Applicant after: ANJI SHENGXIN OFFICE FURNITURE Co.,Ltd. Address before: 313000 180, Zizhu villa, Anji County, Huzhou, Zhejiang Applicant before: Ou Yaping Applicant before: Wu Qingsong |
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